CN201763846U - Ball cage coupling with overload protection device - Google Patents
Ball cage coupling with overload protection device Download PDFInfo
- Publication number
- CN201763846U CN201763846U CN2010205123058U CN201020512305U CN201763846U CN 201763846 U CN201763846 U CN 201763846U CN 2010205123058 U CN2010205123058 U CN 2010205123058U CN 201020512305 U CN201020512305 U CN 201020512305U CN 201763846 U CN201763846 U CN 201763846U
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- shaft
- left half
- outer ring
- driven
- housed
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- Expired - Fee Related
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Abstract
A ball cage coupling with an overload protection device is used for nonferrous metal, petroleum industry and other fields featured by large impact force, infrequent overload and continuous operation. A driven shaft and a driving shaft are connected with flanges thereof respectively, outer rings of a driven end and a driving end are connected with an intermediate shaft via retaining racks and steel balls respectively and are also connected with the flanges of the driven shaft and the driving shaft respectively, sealing systems are respectively mounted on end faces of the outer ring of the driven end and the driving end; protection devices are additionally arranged outside left and right intermediate half shafts; limiting devices are mounted in a hole of the left intermediate half shaft and between the left intermediate half shaft and the right intermediate half shaft; ejector rod bases and ejector rods are mounted in axial holes of the left and right intermediate half shafts, the end part of the ejector rod is equipped with a clamping ring, the ejector rod is screwed on a bolt which is sleeved with a spring. During overloading, safety pins arranged uniformly are shorn, the left and right intermediate half shafts are disengaged to rotate oppositely through a bearing therebetween, thus power transmission is stopped. The ball cage coupling has high safety coefficient and reliability and long service life, and can protect other external connection equipment of the coupling to a maximal extent.
Description
Technical field
The utility model relates to machinery manufacturing technology field, particularly the ball cage coupling of the band overload protection arrangement that uses on metallurgy, non-ferrous metal, the petroleum machinery.
Background technique
Existing ball cage coupling mainly is made up of master and slave moving axis, jack shaft, outer ring, inner ring, retainer, steel ball, sealing system etc., wherein there are many to be oval or circular straight flute road on transmission shaft and the outer ring along the circumference cross section that evenly distributes, torque is transmitted (or contrary direction) through transmission shaft raceway groove, steel ball, two outer ring raceway, realizes drive end and driven end transmission of power; The effect of retainer is that the steel ball group is on the equidistant point of transmission shaft, outer ring raceway constantly; The long-acting lubricating grease that sealing system inner filling ageing-resistant performance is good, contain extreme pressure agent.By the rolling of steel ball between the straight flute road, realize axially and the compensation of angle, and in the spatial design extreme angles, can be completely achieved constant speed.But when the equipment of outreaching such as motor, speed reducer or machine work do-part impact when excessive, the coupling of this structure can not stop transmission automatically, can't protect the equipment that links with coupling, has a strong impact on the working life of coupling operational reliability and associated equipment.
Summary of the invention
For overcoming the deficiencies in the prior art; goal of the invention of the present utility model is to provide a kind of ball cage coupling with overload protection arrangement; by between driving shaft, driven shaft, setting up overload protection arrangement,, protect coupling and miscellaneous equipment to greatest extent to improve the working life of coupling.
For achieving the above object, the technical solution of the utility model is: driving shaft is connected with the driving shaft flange, the drive end outer ring links to each other with the driving shaft flange, on middle right axle shaft and the drive end outer ring many straight flute roads that equidistantly distribute along circumference are arranged, between steel ball is housed, steel ball is installed in the window of retainer, and the end face of drive end outer ring is equipped with sealing system; On middle left half axle and the driven end outer ring many straight flute roads that equidistantly distribute along circumference are arranged, between steel ball is housed, steel ball is installed in the window of retainer, the end face of driven end outer ring is equipped with sealing system, the driven end outer ring is connected with the driven shaft flange, and driven shaft is connected with the driven shaft flange; Middle left half axle is connected by safety pin and link thereof with middle right axle shaft, it is characterized in that: have additional overload protection arrangement between driving shaft and driven shaft:
Middle left half axle and middle right axle shaft flange connections are equipped with protective equipment, described protective equipment be middle left half axle and middle right axle shaft be equipped with outward protective housing with protective housing two, lining one and lining two are housed on the safety pin;
In the hole of middle left half axle, between middle left half axle and the middle right axle shaft limit stoper is housed, described limit stoper is that bearing one and bearing two are equipped with in bearing spacer both sides, and restraining position ring block groove on the bearing spacer is equipped with stop screw in the annular groove;
In the axis hole of middle left half axle tip-lever support one, push rod one are housed, collar one is equipped with in the end of push rod one, and push rod one is spun on the bolt one, is with spring one on the bolt one;
In the axis hole of middle right axle shaft tip-lever support two, push rod two are housed, collar two is equipped with in the end of push rod two, and push rod two is spun on the bolt two, is with spring two on the bolt two.
During overload; uniform safety pin is cut off; throw off between right axle shaft and the middle left half axle in the middle of making; in disconnecting process, middle right axle shaft and middle left half axle relatively rotate by the bearing of installing therebetween, stop power transmission; protect coupling itself and other to outreach equipment to greatest extent; as motor, speed reducer and machine work do-part, avoided the device damage that causes because of overload, reduced the economic loss that electric prospection lost efficacy and causes.
The utility model compared with prior art has the following advantages:
1, the occasion of, continuous operation big in impact force, can cut off power source automatically by overload protection arrangement, safety coefficient and reliability height are the important supplement to equipment electrical equipment overload protection, efficiently solve ball cage coupling because of impacting excessive influence, reduce user cost its life-span;
When 2, transshipping, middle right axle shaft can steadily dally in middle left half axle, can not throw off to throw away to injure peripheral personnel and equipment by a crashing object, the fracture safety pin falls in the protective housing, can not throw away, be convenient to cleaning, eliminated potential safety hazard to greatest extent along with the rotation of middle right axle shaft;
3, some can take out with lining because of safety pin that breaking strain is stuck on the flange plate, make the replacing of safety pin more convenient, have shortened fault power time;
4, when axial displacement is compression, the left half axle left side did not contact with the interior step surface of drive end outer ring with driven end outer ring, middle right axle shaft right side in the middle of push rod can guarantee, effectively played the effect of buffering axial impact;
5, except that protecting coupling itself and other to outreach the equipment to greatest extent, make, maintenance cost is low, be convenient to promote.
Description of drawings
Accompanying drawing is a structural drawing of the present utility model.
Embodiment
As shown in drawings, driving shaft 30 is connected with driving shaft flange 29 through connecting key, drive end outer ring 26 links to each other with driving shaft flange 29 through bolt and key, on middle right axle shaft 25, the drive end outer ring 26 many straight flute roads that equidistantly distribute along circumference are arranged, between steel ball 27 is housed, steel ball 27 is installed in the window of retainer 28, and the end face of drive end outer ring 26 is equipped with sealing system, and sealing system comprises gland 36, sealing gasket 37, seal closure 38, back-up ring 39, clip 40; On middle left half axle 11 and the driven end outer ring 3 many straight flute roads that equidistantly distribute along circumference are arranged, between steel ball 4 is housed, steel ball 4 is installed in the window of retainer 5, between the end face of driven end outer ring 3 sealing system is housed, sealing system comprises gland 6, sealing gasket 7, seal closure 8, back-up ring 9, clip 10; Driven end outer ring 3 is connected with driven shaft flange 2 through bolt and key, is connected with flat key between driven shaft 1 and the driven shaft flange 2; Middle left half axle 11 and 25 of middle right axle shafts are equipped with overload protection arrangement.
The protective equipment of overload protection arrangement: in the flange plate hole of middle left half axle 11 and middle right axle shaft 25 lining 1, lining 2 20 are housed respectively; the safety pin 21 of middle left and right half in lining connects through nut 17, bullet pad 18; the outside of safety pin 21 is equipped with protective housing 1 and protective housing 2 22, and protective housing 16 and protective housing 2 22 are connected on the flange plate of middle left half axle 11, middle right axle shaft 25 by screw 23 and 24 respectively.
The limit stoper of overload protection arrangement: in the middle of limit stoper is installed in the hole of left half axle 11, between middle left half axle 11 and the middle right axle shaft 25; bearing 1 and bearing 2 13 are equipped with in its bearing spacer 14 both sides; restraining position ring block groove on the bearing spacer 14; stop screw 15 is housed in the annular groove, and bearing 1 and bearing 2 13 are by middle right axle shaft 25 steps and collar location.
Middle left half axle 11 all has axial bore with an end of middle right axle shaft 25, in the axis hole of middle right axle shaft 25 tip-lever support 1, push rod 1 are housed, collar 1 is equipped with in the end of push rod 1, and push rod 1 is spun on the bolt 1, is with spring 1 on spiral shell one bolt 35; In the axis hole of middle left half axle 11 tip-lever support 2 42, push rod 2 45 are housed, collar 2 44 is equipped with in the end of push rod 2 45, and push rod 2 45 is spun on the bolt 2 41, is with spring 2 43 on the bolt 2 41.
When having axial displacement or angle to change in driven shaft 1 work, drive driven end outer ring 3 and be synchronized with the movement with driven shaft 1, steel ball 4 rolls in the raceway groove of driven end outer ring 3, and compensating axial displacement or angle change; When axial displacement was compression, the left side of left half axle 11 did not contact with the interior step surface of driven end outer ring 3 in the middle of push rod 1 guaranteed, and played the effect of buffering axial impact; Equally, when having axial displacement or angle to change during driving shaft 30 work, drive drive end outer ring 26 and be synchronized with the movement with driving shaft 30, steel ball 27 rolls in the raceway groove of drive end outer ring 26, and compensating axial displacement or angle change; When axial displacement was compression, the right side of right axle shaft 25 did not contact with the interior step surface of drive end outer ring 26 in the middle of push rod 2 45 guaranteed, and played the effect of buffering axial impact
The utility model is realized the transmission of power of reliable torque value by driving shaft 30, middle right axle shaft 25, safety pin 21, middle left half axle 11, driven shaft 1.
During overload, safety pin 21 fractures, middle left half axle 11 and middle right axle shaft 25 are connected radially losing, transmission of power is interrupted, bearing 1, bearing spacer 14, right axle shaft 25 can steadily dally in middle left half axle 11 in the middle of bearing 2 13 made, middle right axle shaft 25 stops slowly under effect of inertia, stop power transmission, protect coupling itself and other to outreach equipment to greatest extent, as motor, speed reducer and machine work do-part, avoided the device damage that causes because of overload, reduced the economic loss that electric prospection lost efficacy and causes, stop screw 15 is installed on the annular groove place of bearing spacer 14, limits moving axially of bearing spacer 14, and left half axle 11 and middle right axle shaft 25 are axially thrown off in the middle of preventing; Protective housing 16 and protective housing 2 22 can prevent to throw away after safety pin 21 fractures, and protective housing 1 and protective housing 2 22 make the safety pin 21 of fracture clear up more convenient and quicker.Shut down when repairing, unclamp stop screw 15 middle left half axle 11 and middle right axle shaft 25 are thrown off, unclamp screw 23 and can take off protective housing 16, unclamp screw 24 and can take off protective housing 22.The overload torque value can be regulated by the quantity of safety pin 21 and the size of safety pin 21 upper grooves, to adapt to the torque overload protection demand under the different operating modes.
Claims (5)
1. ball cage coupling with overload protection arrangement, driving shaft (30) is connected with driving shaft flange (29), drive end outer ring (26) links to each other with driving shaft flange (29), on middle right axle shaft (25) and the drive end outer ring (26) many straight flute roads that equidistantly distribute along circumference are arranged, between steel ball (27) is housed, steel ball (27) is installed in the window of retainer (28), and the end face of drive end outer ring (26) is equipped with sealing system; On middle left half axle (11) and the driven end outer ring (3) many straight flute roads that equidistantly distribute along circumference are arranged, between steel ball (4) is housed, steel ball (4) is installed in the window of retainer (5), the end face of driven end outer ring (3) is equipped with sealing system, driven end outer ring (3) is connected with driven shaft flange (2), and driven shaft (1) is connected with driven shaft flange (2); Middle left half axle (11) is connected by safety pin (21) and link thereof with middle right axle shaft (25), it is characterized in that: have additional overload protection arrangement between driving shaft (30) and driven shaft (1):
Middle left half axle (11) is equipped with protective equipment with middle right axle shaft (25) flange connections, in the hole of middle left half axle (11), between middle left half axle (11) and the middle right axle shaft (25) limit stoper is housed;
In the axis hole of middle left half axle (11) tip-lever support one (42), push rod one (45) are housed, collar one (44) is equipped with in the end of push rod one (45), and push rod one (45) is spun on the bolt one (41), is with spring one (43) on the bolt one (41);
In the axis hole of middle right axle shaft (25) tip-lever support two (34), push rod two (31) are housed, collar two (32) is equipped with in the end of push rod two (31), and push rod two (31) is spun on the bolt two (35), is with spring two (33) on the bolt two (35).
2. the ball cage coupling of band overload protection arrangement according to claim 1 is characterized in that: described protective equipment is middle left half axle (11) and outer protective housing one (16) and the protective housing two (22) of being equipped with of middle right axle shaft (25).
3. the ball cage coupling of band overload protection arrangement according to claim 1 is characterized in that: described limit stoper is that bearing one (12) and bearing two (13) are equipped with in bearing spacer (14) both sides.
4. the ball cage coupling of band overload protection arrangement according to claim 3 is characterized in that: described bearing spacer (14) is gone up the restraining position ring block groove, and stop screw (15) is housed in the annular groove.
5. the ball cage coupling of band overload protection arrangement according to claim 1 is characterized in that: lining one (19) and lining two (20) are housed on the safety pin (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205123058U CN201763846U (en) | 2010-08-25 | 2010-08-25 | Ball cage coupling with overload protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205123058U CN201763846U (en) | 2010-08-25 | 2010-08-25 | Ball cage coupling with overload protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201763846U true CN201763846U (en) | 2011-03-16 |
Family
ID=43716452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205123058U Expired - Fee Related CN201763846U (en) | 2010-08-25 | 2010-08-25 | Ball cage coupling with overload protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201763846U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102330752A (en) * | 2011-10-22 | 2012-01-25 | 襄阳博亚精工装备股份有限公司 | Self horning type ball-and-socket synchronization universal coupler with safety pin |
| CN105864304A (en) * | 2016-05-12 | 2016-08-17 | 浙江同济科技职业学院 | Spherical cage with detachable flange half shaft |
| CN110285155A (en) * | 2019-06-11 | 2019-09-27 | 淮南威凯机械设备有限公司 | A kind of yielding coupling |
| US10738836B2 (en) | 2016-11-30 | 2020-08-11 | Saint-Gobain Performance Plastics Rencol Limited | Adjustable torque assembly |
-
2010
- 2010-08-25 CN CN2010205123058U patent/CN201763846U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102330752A (en) * | 2011-10-22 | 2012-01-25 | 襄阳博亚精工装备股份有限公司 | Self horning type ball-and-socket synchronization universal coupler with safety pin |
| CN102330752B (en) * | 2011-10-22 | 2016-03-16 | 襄阳博亚精工装备股份有限公司 | With the Self-homing type Rzeppa synchronoccs universal coupling of safety pin |
| CN105864304A (en) * | 2016-05-12 | 2016-08-17 | 浙江同济科技职业学院 | Spherical cage with detachable flange half shaft |
| US10738836B2 (en) | 2016-11-30 | 2020-08-11 | Saint-Gobain Performance Plastics Rencol Limited | Adjustable torque assembly |
| CN110285155A (en) * | 2019-06-11 | 2019-09-27 | 淮南威凯机械设备有限公司 | A kind of yielding coupling |
| CN110285155B (en) * | 2019-06-11 | 2021-12-10 | 西伯瀚(泰兴)传动技术有限公司 | Elastic coupling |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: XIANGYANG BOYA PRECISION INDUSTRIAL EQUIPMENTS CO. Free format text: FORMER NAME: XIANGFAN BOYA MACHINERY CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 8, 441003, Torch Hotel,, 15 Spring Garden Road, Xiangfan, Hubei Patentee after: Xiangyang Boya Precision Industrial Equipments Co.,Ltd. Address before: 8, 441003, Torch Hotel,, 15 Spring Garden Road, Xiangfan, Hubei Patentee before: Xiangfan Boya Machinery Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110316 Termination date: 20150825 |
|
| EXPY | Termination of patent right or utility model |