CN101846073A - Ball head universal joint and single-screw pump utilizing same - Google Patents
Ball head universal joint and single-screw pump utilizing same Download PDFInfo
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- CN101846073A CN101846073A CN201010204468A CN201010204468A CN101846073A CN 101846073 A CN101846073 A CN 101846073A CN 201010204468 A CN201010204468 A CN 201010204468A CN 201010204468 A CN201010204468 A CN 201010204468A CN 101846073 A CN101846073 A CN 101846073A
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- ball head
- axis
- head universal
- pump
- shell
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Abstract
The invention relates to a ball head universal joint and a single-screw pump utilizing the same. The universal joint consists of a spherical shell, an X axis, a Y axis and a Z axis, wherein the centers of the X axis and the Y axis are welded on the Z axis at an interval; one end of the spherical shell is provided with an opening, and the Z axis passes through the opening; a first spherical crown and a second spherical crown are welded on the Z axis, and are laminated with the inner wall of the spherical shell; and the inner wall of the spherical shell is provided with a first groove and a second groove, and the end parts of the X axis and the Y axis are provided with bearings. The single-screw pump comprises a pump shell, a lining, a first ball head universal joint, a second ball head universal joint and a pump shaft shell, wherein the pump shell is provided with a liquid inlet and a liquid outlet; the pump shaft shell is connected between the openings of the first ball head universal joint and the second ball head universal joint; the Z axis of the first ball head universal joint is connected with the Z axis of the second ball head universal joint; and a spiral groove is arranged on the outer surface of the pump shaft shell, and bearings and sealing rings are arranged between the pump shaft shell on the left and right ends of the second ball head universal joint and the pump shell. The ball head universal joint of the invention has long service life and can effectively reduce the mechanical wear of stators and rotors; and when in use, the single-screw pump can completely separate transmitted working media from the lubricating grease of the universal joint and the bearings and ensure the sanitary grade of the transmitted working media.
Description
Technical field
The present invention relates to a kind of ball head universal and use the helical rotor pump of this universal joint.
Background technique
Helical rotor pump is as no-leakage pump; be used to pump crude oil and oil product, breast outstanding shape liquid, powder, high viscous paste, fibrous material, contain gas, grinding particle or contain acid and alkali corrosion liquid etc.; helical rotor pump has good suction head, bigger delivery pressure and higher efficient etc., generally is used for industrial departments such as food, metallurgy, building, pharmacy, chemical industry.
Helical rotor pump belongs to the rotator type displacement pump, as shown in Figure 1, existing helical rotor pump comprises pump case 1 ', the lining 2 ' of the twin-feed spiral in the pump case 1 ', the single head spiral screw rod 3 ' that meshes with lining 2 ' in the pump case 1 ', input shaft 4 ', first universal joint 5 ' and second universal joint 6 ', pump case 1 ' is provided with liquid entering hole 11 ' and liquid outlet 12 ', one end of second universal joint 6 ' is connected with motor 7 ', the other end of second universal joint 6 ' is connected with input shaft 4 ', input shaft 4 ' the other end is connected with first universal joint 5 ', the other end of first universal joint 5 ' is connected with spiral screw rod 3 ', during work, motor 7 ' drives second universal joint 6 ' and rotates, second universal joint 6 ' drives input shaft 4 ' and rotates, input shaft 4 ' drives spiral screw rod 3 ' when lining 2 ' turns round by first universal joint 5 ', lining 2 ' is meshing with each other with spiral screw rod 3 ' and carries liquid at suction chamber and discharge side generation volume-variation, the axial force of this kind screw pump input shaft 4 ' is very big, therefore causes the too early wearing and tearing of (1) lining 2 ' and single head spiral screw rod 3 '; The bearing place of (2) first universal joints 5 ' is fragile, thereby and the fast working life that influences helical rotor pump of abrasion of easy abrasion, mechanical seal between lining 2 ' and spiral screw rod 3 ', and the transferring working medium in this pump causes pump to use the decline of health grade with easy mixing of the lubricating grease on universal joint and the main bearing.
Summary of the invention
The object of the present invention is to provide a kind of ball head universal and use the helical rotor pump of this universal joint, the long service life of its ball head universal and transferring working medium and lubricating grease are isolated fully, guarantee effective isolation of working medium, improve the health grade of pump.
To achieve these goals, technical solution of the present invention is: a kind of ball head universal, comprising spherical shell and X, Y, the Z axle, described X, being welded on the Z axle of the Center Gap of Y-axis, described X, Y, the Z axle is vertical mutually, described X-axis be centered close to spherical shell centre of sphere place, described spherical shell one end is provided with opening, described Z axle one end welds first spherical crown, described first spherical crown and spherical shell inwall are fitted, the other end of described Z axle passes described opening, described Z axle is provided with second spherical crown, and the ball internal surface of described second spherical crown and described spherical shell opening is fitted, and described spherical shell inwall is provided with first groove that is slidingly connected with the X-axis two end part and second groove that is slidingly connected with the Y-axis two end part, described first groove is parallel with described second groove and at interval described X is set, the end of Y-axis is respectively equipped with needle bearing.
Ball head universal of the present invention, wherein said first and second groove is circular groove.
Ball head universal of the present invention, the gap between the needle bearing of wherein said X-axis end and described first well width is 0.05-0.15mm, the width of described second groove is 60 degree sphere arc length of spherical shell.
Ball head universal of the present invention, the opening angle of wherein said spherical shell is for being less than or equal to 90 degree.
A kind of helical rotor pump, the lining that comprises pump case and twin-feed spiral, described pump case is provided with liquid entering hole and liquid outlet, described lining is located at the internal chamber wall of pump case, wherein also comprise first, two ball head universals and pump shaft shell, first ball head universal and bulb second universal joint are symmetrical arranged, described first ball head universal is located at the pump case front portion, described second ball head universal is located at the rear portion of pump case, the Z axle of the Z axle of described first ball head universal and the second bulb cardan shaft links together, described first, connect the pump shaft shell between the opening of two ball head universals, described pump shaft shell outer surface is provided with spiral chute, be provided with roller bearing and high-pressure mechanical seal ring between the pump shaft shell of the described second ball head universal left end and the pump case, the described second ball head universal right-hand member is connected with the coupling that is connected with motor, is provided with thrust-bearing and seal ring between described coupling and the pump case.
Helical rotor pump of the present invention, wherein said pump shaft shell right part is welded with bellows.
Helical rotor pump of the present invention, the minimum clearance between wherein said Z axle and the described pump shaft shell is 3mm.
After adopting such scheme, ball head universal of the present invention and the helical rotor pump that uses this universal joint are by separating gimbal design as a spherical shell and two body, the driven by motor second ball head universal spherical shell rotates, drive second ball head universal and then drive the rotation of pump shaft shell by the Z axle, stator static unbalance power is little, directly transmit axial force by jack shaft, by X-axis and Y-axis transmitting torque, its power transmission is direct, effectively prolonged the working life of this universal joint, and since the working medium of transmitting in the spherical shell outside, so working medium not can with X, Y, lubricating grease on the Z axle mixes, make the bearing and the universal joint good lubrication of pump, improved the health grade of pump again.
Description of drawings
Fig. 1 is the structural representation of existing helical rotor pump;
Fig. 2 is that the master of ball head universal of the present invention looks sectional view;
Fig. 3 is that the A-A of Fig. 2 is to sectional view;
Fig. 4 is the example structure schematic representation of helical rotor pump of the present invention.
Embodiment
See also Fig. 2 and shown in Figure 3, ball head universal of the present invention comprises spherical shell 1, X-axis 2, Y-axis 3 and Z axle 4, the Center Gap of X-axis 2 and Y-axis 3 be welded on the Z axle 4 centre of sphere place that is centered close to spherical shell 1 of X-axis 2, spherical shell 1 one ends are provided with opening 11, and opening 11 angles are 90 degree;
One end of Z axle 4 welds first spherical crown 41, first spherical crown 41 is fitted with spherical shell 1 inwall, the other end of Z axle 4 passes opening 11, Z axle 4 is provided with second spherical crown 42, second spherical crown 42 is fitted with the ball internal surface at spherical shell opening 11 places, spherical shell 1 inwall is provided with first groove 12 that is slidingly connected with X-axis 2 two end part, this first groove 12 is a circular groove, it is spherical shell one week of 1 inwall, offer second groove 13 that is slidingly connected with Y-axis 3 two end part on spherical shell 1 inwall, this second groove 13 is a circular groove, the width of second groove 13 is 60 degree sphere arc length of spherical shell 1, first groove 12 and the 13 parallel and settings at interval of second groove, and the end of X-axis 2 is provided with needle bearing 21, gap between needle bearing 21 and first groove, 12 width is 0.05-0.15mm, and the end of Y-axis 3 is provided with needle bearing 31.
See also shown in Figure 4, helical rotor pump of the present invention comprises pump case 5, the lining 6 of twin-feed spiral, first universal joint 7, second universal joint 8 and pump shaft shell 9, pump case 5 is provided with liquid entering hole 51 and liquid outlet 52, lining 6 is located at the internal chamber wall of pump case 5, first ball head universal 7 and second ball head universal 8 are oppositely arranged, first ball head universal 7 is located at the front portion of pump case 5, second ball head universal 8 is located at the rear portion of pump case 5, the Z axle 4 of first ball head universal 7 is connected with the Z axle 4 of second cardan shaft 8, connect pump shaft shell 9 between the opening of first ball head universal 7 and second ball head universal 8, minimum clearance between Z axle 4 and the pump shaft shell 9 is 3mm, the right part of pump shaft shell 9 is welded with bellows 50, pump shaft shell 9 outer surfaces are provided with spiral chute, be provided with between the pump shaft shell 9 of second ball head universal, 8 left ends and the pump case 5 between the pump shaft shell 9 of roller bearing 10 and high-pressure mechanical seal ring 20, the second ball head universals 8 right-hand members and the pump case 5 and be provided with thrust-bearing 30 and seal ring 40.
During use, motor 60 startings drive second ball head universal 8, the pump shaft shell 9 and first ball head universal 7 rotate together, X-axis 2 in first ball head universal 7 and second ball head universal 8, Y-axis 3 is rotated with spherical shell 1, the Z axle 4 that first ball head universal 7 and second ball head universal 8 are directly passed to axial force, transmit axial force by Z axle 4, and when static unbalance power occurring, by X-axis 2 and Y-axis 3 transmitting torques, promptly by the needle bearing 21 of X-axis 2 ends in the 12 width direction activities of first groove, the needle bearing 31 of Y-axis 3 ends is done swing at second groove, 13 width directions and is come transmitting torque, its power transmission is direct, therefore effectively reduced the mechanical wear between pump shaft shell 9 and the lining 6, prolonged the working life of first ball head universal 7 and second ball head universal 8, and because the working medium of transmitting is in spherical shell 1 outside of first ball head universal 7 and second ball head universal 8, therefore working medium not can with X-axis 2, lubricating grease on Y-axis 3 and the Z axle 4 mixes, guarantee effective isolation of working medium, improve the health grade of pump.
Above-described embodiment is described preferred implementation of the present invention; be not that scope of the present invention is limited; design under the prerequisite of spirit not breaking away from the present invention; various distortion and improvement that the common engineers and technicians in related domain make technological scheme of the present invention all should fall in the definite protection domain of claims of the present invention.
Claims (7)
1. ball head universal, it is characterized in that: comprise spherical shell (1) and X, Y, Z axle (2,3,4), described X, Y-axis (2,3) being welded on the Z axle (4) of Center Gap, described X, Y, Z axle (2,3,4) mutually vertical, described X-axis (2) be centered close to spherical shell (1) centre of sphere place, described spherical shell (1) one end is provided with opening (11), described Z axle (4) one ends weld first spherical crown (41), described first spherical crown (41) is fitted with spherical shell (1) inwall, and the other end of described Z axle (4) passes described opening (11), and described Z axle (4) is provided with second spherical crown (42), described second spherical crown (42) is fitted with the ball internal surface that described spherical shell opening (11) is located, described spherical shell (1) inwall is provided with first groove (12) that is slidingly connected with X-axis (2) two end part and second groove (13) that is slidingly connected with Y-axis (3) two end part, and described first groove (12) is parallel with described second groove (13) and at interval described X is set, Y-axis (2,3) end is respectively equipped with needle bearing (21,31).
2. ball head universal as claimed in claim 1 is characterized in that: described first and second groove (12,13) is circular groove.
3. ball head universal as claimed in claim 2, it is characterized in that: the gap between the needle bearing (21) of described X-axis (2) end and described first groove (12) width is 0.05-0.15mm, and the width of described second groove (13) is 60 degree sphere arc length of spherical shell (1).
4. ball head universal as claimed in claim 3 is characterized in that: opening (11) angle of described spherical shell (1) is for being less than or equal to 90 degree.
5. helical rotor pump that uses the described ball head universal of one of claim 1 to 4, the lining (6) that comprises pump case (5) and twin-feed spiral, described pump case (5) is provided with liquid entering hole (51) and liquid outlet (52), described lining (6) is located at the internal chamber wall of pump case (5), it is characterized in that: also comprise first, two ball head universals (7,8) and pump shaft shell (9), first ball head universal (7) is symmetrical arranged with bulb second ball head universal (8), described first ball head universal (7) is located at pump case (5) front portion, described second ball head universal (8) is located at the rear portion of pump case (5), the Z axle (4) of described first ball head universal (7) links together with the Z axle (4) of the second bulb cardan shaft (8), described first, two ball head universals (7,8) connect pump shaft shell (9) between the opening, described pump shaft shell (9) outer surface is provided with spiral chute, be provided with roller bearing (10) and high-pressure mechanical seal ring (20) between the pump shaft shell (9) of described second ball head universal (8) left end and the pump case (5), described second ball head universal (8) right-hand member is connected with the coupling (60) that is connected with motor, is provided with thrust-bearing (30) and seal ring (40) between described coupling (60) and the pump case (5).
6. helical rotor pump as claimed in claim 5 is characterized in that: described pump shaft shell (9) right part is welded with bellows (50).
7. helical rotor pump as claimed in claim 6 is characterized in that: the minimum clearance between described Z axle (4) and the described pump shaft shell (9) is 3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010204468 CN101846073B (en) | 2010-06-21 | 2010-06-21 | Ball head universal joint and single-screw pump utilizing same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010204468 CN101846073B (en) | 2010-06-21 | 2010-06-21 | Ball head universal joint and single-screw pump utilizing same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101846073A true CN101846073A (en) | 2010-09-29 |
| CN101846073B CN101846073B (en) | 2013-04-10 |
Family
ID=42770831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010204468 Expired - Fee Related CN101846073B (en) | 2010-06-21 | 2010-06-21 | Ball head universal joint and single-screw pump utilizing same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101846073B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106015371A (en) * | 2016-08-08 | 2016-10-12 | 苏州亘富机械科技有限公司 | Universal transmission device with cushioning function |
| CN108167183A (en) * | 2018-01-31 | 2018-06-15 | 新乡市夏烽电器有限公司 | Latent oil directly-driven screw pump flexible shaft |
| CN112356981A (en) * | 2020-11-26 | 2021-02-12 | 武汉船用机械有限责任公司 | Roller cable guide suitable for underwater working condition |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5243873A (en) * | 1992-01-23 | 1993-09-14 | Honeywell Inc. | Two-axis motion mechanism |
| EP0670433A1 (en) * | 1989-06-28 | 1995-09-06 | CORNAY, Paul Joseph | Universal joint having exterior lubricating ring |
| CN201037459Y (en) * | 2007-05-24 | 2008-03-19 | 杭州兴龙泵业有限公司 | Ceramic rotor screw pump |
| CN201865912U (en) * | 2010-06-21 | 2011-06-15 | 韩先锋 | Spherical head universal joint and single-screw pump using same |
-
2010
- 2010-06-21 CN CN 201010204468 patent/CN101846073B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0670433A1 (en) * | 1989-06-28 | 1995-09-06 | CORNAY, Paul Joseph | Universal joint having exterior lubricating ring |
| US5243873A (en) * | 1992-01-23 | 1993-09-14 | Honeywell Inc. | Two-axis motion mechanism |
| CN201037459Y (en) * | 2007-05-24 | 2008-03-19 | 杭州兴龙泵业有限公司 | Ceramic rotor screw pump |
| CN201865912U (en) * | 2010-06-21 | 2011-06-15 | 韩先锋 | Spherical head universal joint and single-screw pump using same |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106015371A (en) * | 2016-08-08 | 2016-10-12 | 苏州亘富机械科技有限公司 | Universal transmission device with cushioning function |
| CN108167183A (en) * | 2018-01-31 | 2018-06-15 | 新乡市夏烽电器有限公司 | Latent oil directly-driven screw pump flexible shaft |
| CN112356981A (en) * | 2020-11-26 | 2021-02-12 | 武汉船用机械有限责任公司 | Roller cable guide suitable for underwater working condition |
| CN112356981B (en) * | 2020-11-26 | 2022-01-28 | 武汉船用机械有限责任公司 | Roller cable guide suitable for underwater working condition |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101846073B (en) | 2013-04-10 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Liu Jinping Inventor before: Han Xianfeng |
|
| CB03 | Change of inventor or designer information | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170926 Address after: 300300 Qiu Li home, Dongli District, Tianjin, 21-204 Patentee after: Liu Jinping Address before: Jiangdong District of Ningbo city in Zhejiang province 315040 Jinyuan Lane No. 225 room 603 Patentee before: Han Xianfeng |
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| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130410 Termination date: 20180621 |
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| CF01 | Termination of patent right due to non-payment of annual fee |