CN100591611C - Fork truck provided with single-rod governor mechanism - Google Patents
Fork truck provided with single-rod governor mechanism Download PDFInfo
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- CN100591611C CN100591611C CN200810005176A CN200810005176A CN100591611C CN 100591611 C CN100591611 C CN 100591611C CN 200810005176 A CN200810005176 A CN 200810005176A CN 200810005176 A CN200810005176 A CN 200810005176A CN 100591611 C CN100591611 C CN 100591611C
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Abstract
The invention relates to a forklift, in particular a forklift provided with a single rod typed adjusting mechanism for adjusting an inclined angle of a forklift mast and a lifting height of a fork, and simultaneously adjusting the lifting height of the fork (or the inclined angle of the mast) under the condition of adjusted inclined angle of the mast (or lifting height of the fork); the inventionis not only convenient in operation, but also easy in application into the existing products due to the capability of retaining the existing hydraulic controlling value and system structure; the invention which is provided with a single rod typed adjusting mechanism removes the consideration of fault action by applying a mechanical structure, and increases the reliability; to realize the effects,the invention essentially comprises the following units; a frame, which is arranged under a driver seat, is provided with an opening at the front end; a whirling component, which is connected with theopening on the frame through a combining component, can laterally rotate; an adjusting unit of inclined angle of a mast, which is arranged on one side of the whirling component and connected with a tilt rod, carries out a whirling movement based on the reference of a rotating shaft of the whirling component; an adjusting unit of the lifting height of a fork, which is arranged behind the whirlingcomponent and connected with a lift rod, carries out a whirling movement based on the reference of an shaft perpendicular to the rotating shaft of the whirling component; and an adjusting rod which is connected with the adjusting unit of the lifting height, can adjust the inclined angle of the mast and the lifting height of the fork.
Description
Technical field
The present invention relates to a kind of fork truck, especially a kind of leaning angle of single-rod governor mechanism adjustment forklift door frame and adjustable height of pallet fork of using also can be adjusted pallet fork adjustable height (perhaps door frame leaning angle) simultaneously under the situation of having adjusted door frame leaning angle (perhaps pallet fork adjustable height), not only easy to operate, and be applied to existing product easily because can keep existing fluid control valve and system architecture, eliminated the fork truck that possesses single-rod governor mechanism that has improved reliability for the misgivings of misoperation by physical construction again.
The main composition key element that the present invention possesses in order to reach above-mentioned effect comprises the following units:
Framework, bottom and its place ahead of being positioned at operator's saddle have opening; The part that circles round, by conjunction be connected to said frame opening and can the side direction rotation; The leaning angle regulon of door frame (mast) is positioned at a side of the above-mentioned part that circles round and carries out circumnutation with the S. A. of the above-mentioned part that circles round as benchmark, is connected to tilting bar (tilt rod); The adjustable height regulon of pallet fork (fork) is positioned at the rear of the above-mentioned part that circles round, and carries out circumnutation with the axle perpendicular to the S. A. of the above-mentioned part that circles round as benchmark, is connected to lifting arm (lift rod); And adjusting lever, be connected to above-mentioned adjustable height regulon and can regulate the leaning angle of door frame (mast) and the adjustable height of pallet fork (fork).
Background technology
As shown in Figure 1, general fork truck has vertically been installed door frame 120 in its front in multistage type Sliad mode, the pallet fork 106 that can carry the goods 104 that developed simultaneously has been installed on the above-mentioned door frame 120, above-mentioned pallet fork 106 is driven by lift oil tank, the back tail of above-mentioned door frame 120 has then been installed the dump ram 108 that can adjust the angle of inclination and support, 108 lifting arm L and tilting bar T drivings of being carried out dipping and heaving by the guiding valve that can make control cock V (Spool) of above-mentioned lift oil tank and dump ram.
By independently two drive spindles 120130 drivings, above-mentioned two drive spindles are adjusted by operating personal respectively respectively for above-mentioned lifting arm L and tilting bar T, and therefore need adjust hoisting respectively joystick 120 and bank control bar 130 have increased the complexity of working.
For example, ground is become angle more than 90 °, need pull-up simultaneously hoist joystick 120 and bank control bar 130 in order in lifting pallet fork 106, door frame 102 to be tilted to; And in other operation, need be in lifting pallet fork 106 pull-up door frame 102 and make door frame 102 and ground-surface angle be lower than 90 °, then need the joystick 120 that hoists is made the action that pushes away before pull-up is then made bank control bar 130 this moment.
Therefore both hands need be used when operating two control lever in the above described manner simultaneously, in operation hoists the process of joystick 120 and bank control bar 130, control wheel or loudspeaker (horn) can't be operated.
The mark 140 of Fig. 2 is pump master cocies, can detect the output that the joystick 120 that hoists is pulled up to amplitude peak and increases Hydraulic Pump.
Operating personal hoists joystick and bank control bar and needs a large amount of training of acceptance for operation expertly, also needs expensive energy to prevent that operating personal from causing the accident because of inadvertent.
In order to address the above problem, though can be as U.S. Patent bulletin the 6th, 273, disclose in No. 669 " can optionally control the single pole (Single Lever With ButtonFor Selective Controlling Either Tilt Or Lift Of A ForkliftMechani sm) of inclination with the action that hoists of fork truck " and utilize two valves of single lever control, but above-mentioned US Patent is the signal by electronic controller to be detected the rotation amount of rod or position and according to above-mentioned signal control cock is controlled, owing to fork truck need be worked in rugged environment and made usually et out of order of detecting sensor, and owing to can't be applicable to have designed and finish or make the fork truck that finishes and can't prevent economically loss.
Summary of the invention
[the technical problem to be addressed by invention]
In order to address the above problem, the purpose of this invention is to provide a kind of leaning angle of single adjusting lever adjustment forklift door frame and adjustable height of pallet fork of using and also can under the situation of having adjusted door frame leaning angle (perhaps pallet fork adjustable height), adjust pallet fork adjustable height (perhaps door frame leaning angle) simultaneously, not only easy to operate, and be applied to existing product easily because can keep existing fluid control valve and system architecture, eliminated the fork truck that possesses single-rod governor mechanism that has improved reliability for the misgivings of misoperation by physical construction again.
[technical solution]
Can realize the following units that the present invention includes of above-mentioned purpose:
Framework, bottom and its place ahead of being positioned at operator's saddle have opening; The part that circles round, by conjunction be connected to said frame opening and can the side direction rotation; The leaning angle regulon of door frame (mast) is positioned at a side of the above-mentioned part that circles round and carries out circumnutation with the S. A. of the above-mentioned part that circles round as benchmark, is connected to tilting bar (tilt rod); The adjustable height regulon of pallet fork (fork) is positioned at the rear of the above-mentioned part that circles round, and carries out circumnutation with the axle perpendicular to the S. A. of the above-mentioned part that circles round as benchmark, is connected to lifting arm (lift rod); And adjusting lever, be connected to above-mentioned adjustable height regulon and can regulate the leaning angle of door frame (mast) and the adjustable height of pallet fork (fork).
Above-mentioned leaning angle regulon comprises: in conjunction with pin, be connected to a side of the above-mentioned part that circles round; And first joint, be connected to above-mentioned tilting bar end, above-mentionedly then be connected with above-mentioned joint by the ball-and-socket type joint mode in conjunction with pin.
Above-mentioned adjustable height regulon should comprise: pivot pin is connected to the both sides combined hole that is positioned at the above-mentioned part rear of circling round; And adaptor union (connector), can be connected the propeller boss of above-mentioned pivot pin with above-mentioned adjusting lever.The end of above-mentioned pallet fork bar should connect second joint, and above-mentioned second joint then is connected by the ball-and-socket type joint mode with above-mentioned adaptor union.
The top of the above-mentioned part that circles round should dispose master cock so that according to the speed of circling round of above-mentioned adjustable height regulon and the output of regulator solution press pump.
The place ahead of the above-mentioned part that circles round disposed can with the conjunction bonded assembly lining of said frame.
Above-mentioned adjusting lever has towards the joggling part of the place ahead warpage of above-mentioned operator's saddle.
Should possess a plurality of master cocies on the handle of above-mentioned adjusting lever so that the forward/backward and the more than one electric apparatus of control fork truck.
[invention effect]
The present invention possesses the fork truck of single-rod governor mechanism not only can adjust the leaning angle of forklift door frame and the adjustable height of pallet fork, can also under the situation of having adjusted door frame leaning angle (perhaps pallet fork adjustable height), can adjust pallet fork adjustable height (perhaps door frame leaning angle) simultaneously, not only easy to operate, and being applied to existing product easily because can keep existing fluid control valve and system architecture, the misgivings of having eliminated for misoperation by physical construction improve reliability again.
Master cock of the present invention can be controlled the fork truck that promotes the rising or falling speed in the action thereby provide more effectively according to circling round angle and the optionally output of regulator solution press pump of adjustable height regulon.
At last, adjusting lever of the present invention is for chaufeur can being stablized more operate adjusting lever expediently and towards the place ahead warpage of operator's saddle, handle has then disposed can control the operation of fork truck and the master cock of various electric apparatuss, can when operation, carry out several actions simultaneously, further increase the convenience of work-site.
Description of drawings
Below in conjunction with accompanying drawing the fork truck that the present invention possesses single-rod governor mechanism is described further.
Fig. 1 is the summary side elevation of existing fork truck;
Fig. 2 is the adjusting lever lateral plan of existing fork truck;
Fig. 3 is the block diagram that the present invention possesses the fork truck of single-rod governor mechanism;
Fig. 4 is the lateral plan that the present invention possesses the fork truck of single-rod governor mechanism;
Fig. 5 is a regulating mechanism block diagram of the present invention;
Fig. 6 is a regulating mechanism exploded drawings of the present invention;
Fig. 7 is a regulating mechanism front view of the present invention;
Fig. 8 and Fig. 9 be regulating mechanism of the present invention hoist with tilting action and the front view when starting simultaneously;
Figure 10 is a regulating mechanism lateral plan of the present invention;
Figure 11 is that adjustable height regulon of the present invention makes master cock be in out the action diagram of (on) state.
The specific embodiment
In the following description will be by setting summary direction shown in Figure 1.
With fork truck of the present invention and operator's saddle is benchmark, and operator's saddle W side is called " rear ", the opposition direction of operator's saddle, and promptly the configuration side of fork truck A door frame M and pallet fork F is called " the place ahead ".
In the following description will be by the rough coordinates axle of each S. A. of setting shown in Figure 5.
With conjunction 16 of the present invention is benchmark, the S. A. of part 20 of circling round is made as-" x axle ", pivot pin 42 with adjustable height regulon 40 of the present invention is a benchmark, the S. A. of adjustable height regulon 40 is made as-" y axle ", and formed shifting axle was made as-" z axle " when adjusting lever of the present invention 50 was upright.
To shown in Figure 11, the fork truck that the present invention possesses single-rod governor mechanism comprises the following units as Fig. 3: framework 10, and bottom and its place ahead of being positioned at operator's saddle W have opening 10a; The part 20 that circles round, by conjunction 16 be connected to said frame 10 opening 14a and can the side direction rotation; The leaning angle regulon 30 of door frame (mast) M is positioned at a side of the above-mentioned part 20 that circles round and carries out circumnutation with the S. A. of the above-mentioned part 20 that circles round as benchmark, is connected to tilting bar (tilt rod) T; The adjustable height regulon 40 of pallet fork (fork) F is positioned at the rear of the above-mentioned part 20 that circles round, and carries out circumnutation with the axle perpendicular to the S. A. of the above-mentioned part 20 that circles round as benchmark, is connected to lifting arm (lift rod) L; And adjusting lever 50, be connected to above-mentioned adjustable height regulon 40 and can regulate the leaning angle of door frame (mast) M and the adjustable height of pallet fork (fork) F.
The regulating mechanism C that the present invention possesses the fork truck of single-rod governor mechanism comprises framework 10, the part 20 that circles round, leaning angle regulon 30, adjustable height regulon 40 and adjusting lever 50.
As shown in Figures 3 and 4, the guiding valve that leans forward (Tilt spool) (not shown) of the tilting bar T drive control valve V of the above-mentioned leaning angle regulon 30 of above-mentioned regulating mechanism C bottom is so that the door frame M of fork truck A carries out circumnutation, the lifting arm L of above-mentioned adjustable height regulon 40 then the guiding valve that hoists of drive control valve V (lift spool) (not shown) so that the pallet fork F of fork truck A carries out dipping and heaving, above-mentioned tilting bar T and above-mentioned lifting arm L arrangement parallel to each other are also kept certain intervals, respectively along separately length direction move and respectively starting lean forward guiding valve (not shown) with hoist guiding valve (not shown).
As Fig. 5 and shown in Figure 6, operator's saddle W bottom and its place ahead that the said frame 10 that the present invention possesses the fork truck of single-rod governor mechanism is positioned at fork truck A have opening 14a, said frame 10 comprises panel 12 that is fixed on operator's saddle W bottom and " ㄈ " shape fixing clamp 14 that is connected to above-mentioned panel 12, above-mentioned bracket 14 has formed above-mentioned opening 14a, the above-mentioned part 20 that circles round can rotate for anchor shaft carries out side direction by above-mentioned conjunction 16, that is to say and can carry out circumnutation.
As Fig. 5 and shown in Figure 6, the above-mentioned part 20 that circles round that the present invention possesses the fork truck of single-rod governor mechanism is connected to the opening 14a of said frame 10 and can carries out side direction rotation, i.e. circumnutation by conjunction 16.
The above-mentioned part 20 that circles round is by comprising that four plates and its underpart and rear do not have the opening shape of the plate body 22 that circles round to be constituted, the header board 22a of the above-mentioned body that circles round has propeller boss 24, mutual symmetry of the biside plate 22c of the above-mentioned body 22 that circles round and the same position at each plate 22c rear have formed combined hole 22c ', the side of upper plate 22b is cut open, the opposite side that does not have to cut of above-mentioned upper plate 22b has then formed the patchhole 22b ' that can insert aftermentioned master cock 60, can be according to the speed of circling round of adjustable height regulon 40 and the output of modulated pressure pump (not shown).
In the above-mentioned part 20 that circles round towards the place ahead outstanding above-mentioned header board 22a above-mentioned part 20 propeller boss 24 that circle round accommodated and be connected to the motion of pivoting of above-mentioned conjunction 16 by the opening 14a on said frame 10 fixing clamps 14, the cylindric of above-mentioned conjunction 16 is shaped to one in conjunction with body (body) 16a and joint head (head) 16b, the connecting the inboard of above-mentioned part 20 propeller boss 22 that circle round and protrude in the rear of above-mentioned conjunction 16 in conjunction with body 16a, the joint head 16b of above-mentioned conjunction 16 is fixed on the opening 14a of said fixing bracket 14 by the combination of welding and so on, make above-mentioned conjunction 16 become the anchor shaft of the above-mentioned part 20 that circles round, that is to say becomes its S. A. (x axle).
Above-mentioned conjunction 16 in conjunction with body 16a end, the opposite side that is the joint head 16b of above-mentioned conjunction 16 has annular insertion groove 16c, above-mentioned insertion groove 16c protrudes in the rear of above-mentioned part 20 propeller boss 22 that circle round, above-mentioned conjunction 16 be subjected to the above-mentioned part 20 that circles round anchor shaft (S. A.-x axle) axle supporting and when the above-mentioned part 20 that circles round is pivoted, that is to say with the x axle to be that benchmark is rotated when motion, for the disengaging that prevents the above-mentioned part 20 that circles round in the above-mentioned insertion groove 16c of annular key (key) 18 insertions.
As Fig. 6 and shown in Figure 7, the above-mentioned leaning angle regulon 30 that the present invention possesses the fork truck of single-rod governor mechanism is positioned at a side of the above-mentioned part 20 that circles round and is that benchmark carries out circumnutation and is connected to tilting bar (tilt rod) T with the same S. A. (x axle) of the above-mentioned part 20 that circles round.
Above-mentioned leaning angle regulon 30 comprises: in conjunction with pin 32, be positioned at a side of the above-mentioned part 20 that circles round, the circle round side of biside plate 22c of body 22 of the promptly above-mentioned part 20 that circles round; And first joint 34, be connected to the end of above-mentioned tilting bar T, above-mentionedly be connected by the ball-and-socket type joint mode in conjunction with 34 of pin 32 and above-mentioned first joints.
That is to say, above-mentionedly be connected to the above-mentioned part 20 that circles round one of the biside plate 22c of body 22 that circles round in conjunction with pin 32, which side plate this is connected to and then need considers in fork truck A design process in conjunction with pin 32 as for above-mentioned, above-mentionedly be shaped to one with spherical engage ball 32a in conjunction with pin 32, one end of above-mentioned first joint 34 has the binding groove 34b of secure bond in above-mentioned tilting bar T end, the other end of above-mentioned first joint 34 then has the accepting groove 34a that can settle above-mentioned engage ball 32a in conjunction with pin 32, thereby has realized ball-and-socket type joint formula integrated structure.
Therefore arrive shown in Figure 9 as Fig. 7, can above-mentionedly the circle round same S. A. (x axle) of part 20 of above-mentioned leaning angle regulon 30 carries out the side direction circumnutation for benchmark, make to be connected to above-mentioned leaning angle regulon 30 by the ball-and-socket type joint mode and to carry out dipping and heaving along the z axle, and then adjust the leaning angle of fork truck A door frame M in conjunction with the above-mentioned tilting bar T of 34 bonded assemblys of above-mentioned first joint of pin 32.
Above-mentioned engage ball 32a in conjunction with pin 32 combines by the ball-and-socket type joint mode with the accepting groove 34b of above-mentioned first joint 34, under having adjusted the situation of pallet fork F adjustable height of fork truck A, adjustable height regulon 40 make above-mentioned leaning angle regulon 30 carry out side direction when rotatablely moving, can be under the situation that does not influence the pallet fork F that has adjusted adjustable height, that is to say can be under the situation of the lifting arm L that does not influence adjustable height regulon 40, adjust the door frame M leaning angle of fork truck A by above-mentioned leaning angle regulon 30, thereby can use single adjusting lever 50 to adjust the adjustable height of pallet fork F and the leaning angle of door frame M simultaneously.
As Fig. 6 and shown in Figure 7, the above-mentioned adjustable height regulon 40 that the present invention possesses the fork truck of single-rod governor mechanism connects lifting arm (lift rod) L, is positioned at above-mentioned part 20 rears and being that benchmark carries out circumnutation perpendicular to the above-mentioned S. A. y axle that circles round part 20 S. A. x axles of circling round.
Above-mentioned adjustable height regulon 40 comprises: pivot pin 42, be positioned at above-mentioned part 20 rears of circling round, and be connected to the both sides combined hole 22c ' at the biside plate 22c rear of the above-mentioned part 20 that circles round; Adaptor union (connector) 46 can be connected the propeller boss 44 of above-mentioned pivot pin 42 with above-mentioned adjusting lever 50; And second joint 48, being connected to the end of above-mentioned lifting arm L, 48 of above-mentioned adaptor union 46 and above-mentioned second joints are connected by the ball-and-socket type joint mode.
The engage ball 46a of above-mentioned adaptor union 46, be that above-mentioned propeller boss 44 is configured between the biside plate 22c of the above-mentioned part 20 that circles round, and in the mode of the combined hole 22c ' of the propeller boss 44 that connects above-mentioned adjustable height regulon 40 and above-mentioned biside plate 22c in conjunction with above-mentioned pivot pin 42, one end of above-mentioned pivot pin 42 disposes tabular connecting element 42a, above-mentioned tabular connecting element 42a has the fastener hole 22c corresponding to one of above-mentioned biside plate 22c side " corresponding fastener hole 42b and fixed by fasteners such as bolt and nuts; it is outer and connect that the other end of above-mentioned pivot pin 42 then protrudes in the combined hole 22c ' of the above-mentioned side plate 22c of opposite side of above-mentioned fixing piece 42a; and then formed the anchor shaft that above-mentioned adjustable height regulon 40 propeller boss 44 are pivoted, i.e. S. A. y axle.
The propeller boss 44 of above-mentioned adjustable height regulon 40 and above-mentioned adjusting lever 50 are fixed on the above-mentioned adaptor union 46 by the fastening means of welding and so on respectively, above-mentioned adaptor union 46 becomes one with spherical engage ball 46a, one end of above-mentioned second joint 48 has the binding groove 48b of secure bond in above-mentioned lifting arm L end, the other end of above-mentioned second joint 48 then has the accepting groove 48a of the engage ball 46a that can settle above-mentioned adaptor union 46, thereby has realized ball-and-socket type joint formula conjunction group.
Arrive shown in Figure 9 as Fig. 7, in the above-mentioned adjustable height regulon 40 according to above-mentioned adaptor union of above-mentioned ball-and-socket type joint mode bonded assembly 46 and above-mentioned second joint 48 should take can above-mentioned leaning angle regulon 30 S. A. (x axle) above-mentioned lifting arm L carries out the arrangement mode of dipping and heaving (that is to say that the above-mentioned engage ball 46a that is connected to above-mentioned second joint 48 by the ball-and-socket type joint mode is positioned at the centre position on S. A. (x axle) line) for the center makes.
Therefore stating adjustable height regulon 40 has in the use adjusted under the situation of above-mentioned lifting arm L when operating above-mentioned leaning angle regulon 30 for the leaning angle of adjusting above-mentioned tilting bar T, above-mentioned adjustable height regulon 40 can form the S. A. (x axle) identical with the S. A. (x axle) of above-mentioned leaning angle regulon 30, thereby can drive above-mentioned leaning angle regulon 30 under the situation that does not influence above-mentioned adjustable height regulon 40, the above-mentioned adjusting lever 50 that therefore is connected to above-mentioned adjustable height regulon 40 should be partial to a side of the above-mentioned part 20 that circles round.
Therefore, above-mentioned adjustable height regulon 40 can realize that with above-mentioned adjustable height regulon 40 pivot pins 42 (y axle) perpendicular to above-mentioned part 20 S. A.s (x axle) that circle round be the circumnutation that benchmark carries out, and then make the above-mentioned lifting arm L of 48 bonded assemblys of above-mentioned second joint that is connected to above-mentioned adjustable height regulon 40 adaptor unions 46 by the ball-and-socket type joint mode carry out dipping and heaving, and then adjust the pallet fork F adjustable height of fork truck A along the z axle.
The engage ball 46a of above-mentioned adaptor union 46 combines by the ball-and-socket type joint mode with the accepting groove 48a of above-mentioned second joint 48, adjusted at above-mentioned leaning angle regulon 30 and made above-mentioned adjustable height regulon 40 towards the place ahead or rear when circling round under the situation of door frame M leaning angle of fork truck A, can be under the situation that does not influence the door frame M that has adjusted leaning angle, that is to say can be under the situation of the tilting bar T that does not influence leaning angle regulon 30, adjust the pallet fork F adjustable height of fork truck A by above-mentioned adjustable height regulon 40, thereby can use single adjusting lever 50 to adjust the adjustable height of pallet fork F and the leaning angle of door frame M simultaneously.
As Figure 10 and shown in Figure 11, the above-mentioned master cock 60 that the present invention possesses the fork truck of single-rod governor mechanism is connected to the top of the above-mentioned part 20 that circles round, promptly be connected to the above-mentioned part 20 that circles round circle round body 22 upper plate 22b patchhole 22b ' and protrude in the bottom of above-mentioned upper plate 22b, above-mentioned master cock 60 be configured in above-mentioned adjustable height regulon 40 adaptor union 46 directly over, when the speed of circling round of above-mentioned adjustable height regulon 40 reaches maxim, that is to say that above-mentioned adjustable height regulon 40 is a benchmark when being pulled to amplitude peak with above-mentioned pivot pin 42y axle, above-mentioned adaptor union 46 will contact above-mentioned master cock 60 and make above-mentioned master cock 40 be in out the on state and send signal to increase the output of Hydraulic Pump (not shown).
As shown in Figure 6, the present invention's above-mentioned adjusting lever 50 of possessing the fork truck of single-rod governor mechanism forms joggling part 50a and makes the chaufeur can be convenient more and stably adjust above-mentioned bar towards the place ahead of above-mentioned operator's saddle W.
Above-mentioned adjusting lever 50 ends have disposed handle 52, and above-mentioned handle 52 comprises: forward/backward switch 72, can control advancing and backward movement of fork truck; And master cock 70, at least comprise and to control various electric decorations more than one, be buzzing, urgent dodge go out, the switch 74 of turning indicator, head lamp and rain brush action, therefore can when operation, carry out several actions simultaneously, further increased the convenience of work-site.
Preamble describes in detail at given shape and direction the fork truck that the present invention possesses single-rod governor mechanism in conjunction with the accompanying drawings, but in technological thought category of the present invention, various distortion and modification can appear, therefore this is very tangible same industry personage, and to belong to claim scope of the present invention be natural for this distortion and modification.
The explanation of the main symbol of＜figure 〉
A: fork truck C: governor motion
F: pallet fork M: door frame
L: lifting arm T: tilting bar
V: valve W: driver's seat
10: framework 12: panel
14: fixing clamp 14a: opening
16: conjunction 16a: insertion groove
18: key 20: the convolution part
22: convolution body 22a: header board
22b: upper plate 22b ': patchhole
22c: biside plate 22c ': combined hole
22c ": fastener hole 24: the propeller boss of the part that circles round
30: leaning angle regulon 32: in conjunction with pin
32a: 34: the first joints of engage ball
34a: accepting groove 34b: engagement groove
40: adjustable height regulon 42: pivot pin
42a: connecting element 42b: corresponding fastener hole
44: the propeller boss 46 of adjustable height regulon: adaptor union
46a: 48: the second joints of engage ball
48a: resettlement section 48b: engagement groove
50: joystick 50a: joggling part
52: handle 60: master cock
70: master cock 72: the forward/backward switch
74: the electric apparatus switch
Claims (5)
1. fork truck that possesses single-rod governor mechanism is characterized by and comprises the following units:
Framework, bottom and its place ahead of being positioned at operator's saddle have opening;
The part that circles round, by conjunction be connected to said frame opening and can the side direction rotation;
The leaning angle regulon of door frame is positioned at a side of the above-mentioned part that circles round and carries out circumnutation with the S. A. of the above-mentioned part that circles round as benchmark, is connected to tilting bar;
The adjustable height regulon of pallet fork is positioned at the rear of the above-mentioned part that circles round, and carries out circumnutation with the axle perpendicular to the S. A. of the above-mentioned part that circles round as benchmark, is connected to lifting arm; And
Adjusting lever is connected to above-mentioned adjustable height regulon and can controls the leaning angle of door frame and the adjustable height of pallet fork;
Above-mentioned leaning angle regulon comprises: in conjunction with pin, be connected to a side of the above-mentioned part that circles round; And first joint, be connected to the end of above-mentioned tilting bar,
Above-mentionedly be connected by the ball-and-socket type joint mode with above-mentioned first joint in conjunction with pin;
Above-mentioned adjustable height regulon comprises: pivot pin is connected to the combined hole that is positioned at the above-mentioned both sides, part rear of circling round; Adaptor union can connect the propeller boss and the above-mentioned adjusting lever of above-mentioned pivot pin; And
Second joint is connected to the end of above-mentioned lifting arm,
Above-mentioned adaptor union is connected by the ball-and-socket type joint mode with above-mentioned second joint.
2. the fork truck that possesses single-rod governor mechanism according to claim 1 is characterized by:
The end of above-mentioned conjunction has formed insertion groove along outer peripheral face, and the place ahead of the above-mentioned part that circles round has propeller boss and is connected to above-mentioned conjunction, and the insertion groove of above-mentioned conjunction has the annular key that can prevent that the above-mentioned part that circles round breaks away from.
3. the fork truck that possesses single-rod governor mechanism according to claim 1 and 2 is characterized by:
The top of the above-mentioned part that circles round has disposed can be according to the speed of circling round of above-mentioned adjustable height regulon and the master cock of the output of regulator solution press pump.
4. the fork truck that possesses single-rod governor mechanism according to claim 1 and 2 is characterized by:
Above-mentioned adjusting lever has towards the joggling part of the place ahead warpage of above-mentioned operator's saddle.
5. the fork truck that possesses single-rod governor mechanism according to claim 4 is characterized by:
Possessed a plurality of master cocies on the handle of above-mentioned adjusting lever so that the forward/backward and the more than one electric apparatus of control fork truck.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810005176A CN100591611C (en) | 2008-01-24 | 2008-01-24 | Fork truck provided with single-rod governor mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810005176A CN100591611C (en) | 2008-01-24 | 2008-01-24 | Fork truck provided with single-rod governor mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101219764A CN101219764A (en) | 2008-07-16 |
| CN100591611C true CN100591611C (en) | 2010-02-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810005176A Expired - Fee Related CN100591611C (en) | 2008-01-24 | 2008-01-24 | Fork truck provided with single-rod governor mechanism |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102259809A (en) * | 2010-05-31 | 2011-11-30 | 比亚迪股份有限公司 | Control system and control method of forklift door frame |
| CN102556897B (en) * | 2011-12-14 | 2014-05-28 | 浙江中力机械有限公司 | Electric order picker |
| CN108167211A (en) * | 2017-11-21 | 2018-06-15 | 华强方特（芜湖）文化科技有限公司 | A kind of multiway ball type blast apparatus |
| CN109110686B (en) * | 2018-10-17 | 2020-02-11 | 合肥搬易通科技发展有限公司 | Fork automatic leveling device for forklift |
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- 2008-01-24 CN CN200810005176A patent/CN100591611C/en not_active Expired - Fee Related
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