CN102900789A - Friction type torque limiting clutch - Google Patents
Friction type torque limiting clutch Download PDFInfo
- Publication number
- CN102900789A CN102900789A CN2012103798512A CN201210379851A CN102900789A CN 102900789 A CN102900789 A CN 102900789A CN 2012103798512 A CN2012103798512 A CN 2012103798512A CN 201210379851 A CN201210379851 A CN 201210379851A CN 102900789 A CN102900789 A CN 102900789A
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- Prior art keywords
- shaft interface
- spring
- housing
- driven shaft
- hole
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- 230000005855 radiation Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000003825 pressing Methods 0.000 abstract description 2
- 230000003116 impacting effect Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Mechanical Operated Clutches (AREA)
Abstract
The invention discloses a friction type torque limiting clutch which comprises a driven shaft interface, a shell, a driving shaft interface and a friction sheet combination, wherein the friction sheet combination is composed of an outer friction sheet and an inner friction sheet; the driven shaft interface is connected at the front end of the shell; the driven shaft interface is arranged inside the shell; the rear end of the shell is connected with a spring base which is sleeved on the driving shaft interface; spring holes are uniformly distributed on the spring base along the circumference; a spiral spring and a cushion block are arranged in each spring hole; one end of the spiral spring props against the cushion block; the other end of the spiral spring stretches outside the spring hole to prop against a pressing ring; a screw hole corresponding to each spring hole is arranged on the rear side plane of the spring base; an adjusting screw is arranged in the screw hole; the adjusting screw props against the cushion block; a locking nut is arranged on the adjusting screw; the front end of the driving shaft interface is connected with an end shaft; the front end of the end shaft is inserted into the hole of the driven shaft interface; and the end shaft is in clearance fit with the hole of the driven shaft interface. The adjusting screw can be adjusted by only using an ordinary small torque winch, so that the on-line adjustment is carried out on a production line conveniently.
Description
Technical field
The present invention relates to limit the square clutch.
Background technique
Limit square clutch is the clutch of guaranteeing that the moment of torsion that transmits or rotating speed are no more than certain limit value, needs suitable limit square clutch is installed in heavy mechanical equipment, to prevent from causing because of load drastic change the damage of motor, transmission system.The pattern of limit square clutch has multiple, and friction type limit square clutch is wherein a kind of.China Patent No. is that the model utility specification of ZL200820098498.X discloses a kind of dry-type friction safety clutch, comprise driving shaft, transition axis and driven shaft, described driving axle housing has land, and land larger diameter end one side is connected with outer drum, and outer drum is equipped with inner attrition piece; An end is equipped with bearing on the described transition axis, and the other end is fixedly connected with sleeve on being enclosed within driven shaft; Described sleeve is equipped with outside friction disc, supporting disk and spring seat, and spring is installed between the spring seat; The threaded one end of described sleeve is equipped with adjusting nut, can not dismantle clutch and just can regulate the torque that clutch transmits.Above-mentioned safety clutch adopts and week puts helical spring, carries out with single adjusting nut, is difficult to regulate under big spring power, needs special relatively large screwing tool, can not realize online adjustment.China Patent No. is that the model utility specification of ZL 200720177195.2 discloses a kind of many friction plates safety clutch, comprises driving disc, driven disc, friction plate, pressing spring, supporting base and pressure regulating screw.Driving disc is a closed circular tubular housing, and the multi-disc rotating plate is housed in inside and housing is that spline is in axial sliding connection, and is the clutch driving link; The friction plate assemblies that clip a large amount of supplies of present Farm Machinery Market between the multi-disc driving disc are driven disc, the internal spline of clutch drived disk assy be connected the external splines of cover for axially slidably connecting, the internal spline of driven cover is connected the connection of power input shaft external splines with farm implements; Be provided with the belleville spring pressurization in the enclosure interior termination.Above-mentioned many friction plates safety clutch friction plate eccentric wear phenomenon easily occurs owing to adopting belleville spring, and the precision of adjustment is relatively low.
Summary of the invention
The object of the invention is to propose a kind of precision of adjusting high and can realize the online friction type limit square clutch of adjusting.
For achieving the above object, the present invention takes following technological scheme:
This friction type limit square clutch comprises the driven shaft interface, housing, driving shaft interface and the friction plate combination that is formed by outside friction disc and inner attrition piece, the driven shaft interface is connected to the front end of housing, the driving shaft interface is in the housing, outside friction disc is connected on the inner walls by the spline form, inner attrition piece is connected on the outer cylinder of driving shaft interface by the spline form, be provided with in the housing and at the rear of friction plate combination by the spline form and be connected to pressure ring on the inner walls, the rear end of housing is connected with the spring seat that is enclosed within on the driving shaft interface, be distributed with spring eye along even circumferential on the spring seat, be provided with helical spring and cushion block in each spring eye, each helical spring end supports and cushion block, the extended spring eye of the other end supports and pressure ring, corresponding each spring eye is provided with screw hole on the trailing flank of spring seat, be provided with adjusting screw in the screw hole, adjusting screw is supported and cushion block, adjusting screw is provided with locking nut, the front end of driving shaft interface is connected with the end axle, insert in the center hole of driven shaft interface the front portion of end axle, the center hole Spielpassung of end axle and driven shaft interface.
In the described housing and the place ahead that is in the friction plate combination is provided with adjustment ring, and the friction plate combination is clamped between described adjustment ring and the described pressure ring.
The rear portion in the hole of described driven shaft interface has ring-shaped step, and the front end of end axle is connected with end cap, and end cap is in the front side of ring-shaped step.
Some radiation holes have been evenly arranged on the described housing.
The present invention has following good effect: 1, among the present invention, each helical spring is equipped with an adjusting screw, each is regulated helical spring by adjusting screw, so the screw-down torque of adjusting screw is little, only need to use general little torque wrench to regulate adjusting screw, conveniently adjust online at production line.2, the present invention adopts and puts helical spring structure week impacting force is provided, so that friction plate is stressed evenly, is not prone to friction plate eccentric wear phenomenon.In the situation that adjust identical decrement, adopt and week put helical spring structure, its impacting force changes less, so its adjustment precision is higher.3, helical spring of the present invention is arranged in the spring eye of spring seat, and helical spring is difficult for deviating from, and Safety performance is good.4, the present invention is simple and compact for structure, and needed space is little.5, driving shaft interface of the present invention and driven shaft interface have versatility.6, helical spring of the present invention is between pressure ring and the cushion block, and without relative movement, helical spring does not bear torsion between pressure ring and the cushion block, so helical spring is not fragile.
Description of drawings
Fig. 1 is structural representation of the present invention.
Embodiment
Embodiment 1
The described embodiment of Fig. 1 comprises driven shaft interface 1, housing 2, driving shaft interface 11 and the friction plate combination 3 that is comprised of outside friction disc 3-1 and inner attrition piece 3-2.The two ends of driven shaft interface 1 are respectively equipped with front land 1-3 and rear land 1-4, and driven shaft interface 1 is connected to the front end of housing 2 by screw by rear land 1-4.Driving shaft interface 11 is in the housing 2, and driving shaft interface 11 has center hole 11-1.Outside friction disc 3-1 is connected on housing 2 inwalls by the spline form, and inner attrition piece 3-2 is connected on the outer cylinder of driving shaft interface 11 by the spline form.In the described housing 2 and the place ahead that is in friction plate combination 3 is provided with the adjustment ring 4 that is enclosed within on the driving shaft interface 11, the rear of friction plate combination 3 is provided with the pressure ring 5 that is enclosed within on the driving shaft interface 11, pressure ring 5 is connected on housing 2 inwalls by the spline form, friction plate combination 3 is clamped between described adjustment ring 4 and the described pressure ring 5, the adjustment ring 4 by changing different-thickness or increase or the sheet of reducing friction is adjusted torque-transfer capability.Some radiation hole 2-1 have been evenly arranged on the described housing 2, the heat that produces when being used for the friction of discharging friction plate.
The rear end of housing 2 is connected with the spring seat 6 that is enclosed within on the driving shaft interface 11, and the present embodiment adopts and week puts spring mode, namely is distributed with spring eye along even circumferential on the spring seat 6, and how many not strict demands of spring eye are set as the case may be.Be provided with helical spring 7 and cushion block 8 in each spring eye, one end of each helical spring 7 supports and cushion block 8, the extended spring eye of the other end supports and pressure ring 5, corresponding each spring eye is provided with screw hole on the trailing flank of spring seat 6, be provided with adjusting screw 10 in the screw hole, adjusting screw 10 is supported and cushion block 8, and adjusting screw 10 is provided with locking nut 9.Pass through the frictional force that helical spring 7 is adjusted between the inside and outside friction plate by adjusting screw 10.The front end of driving shaft interface 11 connects an end axle 12 by screw, insert among the center hole 1-1 of driven shaft interface 1 front portion of end axle 12, the center hole 1-1 Spielpassung of end axle 12 and driven shaft interface 1, the rear portion of the center hole 1-1 of described driven shaft interface 1 has ring-shaped step 1-2, the front end of end axle 12 is connected with end cap 13, end cap 13 is in the front side of ring-shaped step 1-2,13 position-limiting actions of end cap, and arranging of end axle 12 can make driven shaft interface 1 and driving shaft interface 11 concentricity.
In the application, driven shaft interface 1 is connected with driven shaft with key by front land 1-3; Driving shaft interface 11 is connected with driving shaft by flat key.
Claims (4)
1. a friction type is limit the square clutch, comprise driven shaft interface (1), housing (2), driving shaft interface (11) and the friction plate combination (3) that is formed by outside friction disc (3-1) and inner attrition piece (3-2), it is characterized in that: driven shaft interface (1) is connected to the front end of housing (2), driving shaft interface (11) is in the housing (2), outside friction disc (3-1) is connected on housing (2) inwall by the spline form, inner attrition piece (3-2) is connected on the outer cylinder of driving shaft interface (11) by the spline form, be provided with the pressure ring (5) that is connected to by the spline form on housing (2) inwall in the housing (2) and at the rear of friction plate combination (3), the rear end of housing (2) is connected with the spring seat (6) that is enclosed within on the driving shaft interface (11), spring seat (6) is upper to be distributed with spring eye along even circumferential, be provided with helical spring (7) and cushion block (8) in each spring eye, one end of each helical spring (7) supports and cushion block (8), the extended spring eye of the other end supports and pressure ring (5), corresponding each spring eye is provided with screw hole on the trailing flank of spring seat (6), be provided with adjusting screw (10) in the screw hole, adjusting screw (10) is supported and cushion block (8), adjusting screw (10) is provided with locking nut (9), the front end of driving shaft interface (11) is connected with end axle (12), insert in the center hole (1-1) of driven shaft interface (1) front portion of end axle (12), center hole (1-1) Spielpassung of end axle (12) and driven shaft interface (1).
2. friction type according to claim 1 is limit the square clutch, it is characterized in that: in the described housing (2) and the place ahead that is in friction plate combination (3) is provided with adjustment ring (4), and friction plate combination (3) is clamped between described adjustment ring (4) and the described pressure ring (5).
3. friction type according to claim 1 is limit the square clutch, it is characterized in that: the rear portion in the hole of described driven shaft interface (1) has ring-shaped step (1-2), the front end of end axle (12) is connected with end cap (13), and end cap (13) is in the front side of ring-shaped step (1-2).
4. friction type limit square clutch according to claim 1 is characterized in that: be evenly arranged some radiation holes (2-1) on the described housing (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210379851.2A CN102900789B (en) | 2012-10-09 | 2012-10-09 | Friction type torque limiting clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210379851.2A CN102900789B (en) | 2012-10-09 | 2012-10-09 | Friction type torque limiting clutch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102900789A true CN102900789A (en) | 2013-01-30 |
| CN102900789B CN102900789B (en) | 2015-06-17 |
Family
ID=47573203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210379851.2A Active CN102900789B (en) | 2012-10-09 | 2012-10-09 | Friction type torque limiting clutch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102900789B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103207124A (en) * | 2013-03-06 | 2013-07-17 | 中国石油天然气集团公司 | System and method for testing wear resistance of tubing |
| CN106224406A (en) * | 2016-09-19 | 2016-12-14 | 徐州徐工随车起重机有限公司 | A kind of adjustable overloading for reductor protects clutch |
| CN106704403A (en) * | 2016-11-16 | 2017-05-24 | 泰兴市东方海工设备有限公司 | Friction type clutch |
| CN106744415A (en) * | 2016-11-16 | 2017-05-31 | 泰兴市东方海工设备有限公司 | A kind of friction clutch winch |
| CN108775349A (en) * | 2018-06-29 | 2018-11-09 | 南京高速齿轮制造有限公司 | Yaw the clutch protecting mechanism of variable propeller gearbox input terminal |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0108974A1 (en) * | 1982-11-12 | 1984-05-23 | ATEC-Weiss KG | Torque limiting coupling |
| US6190258B1 (en) * | 1993-12-17 | 2001-02-20 | Power Transmission Technology, Inc. | Torque limiter clutch |
| WO2011049109A1 (en) * | 2009-10-21 | 2011-04-28 | 株式会社エクセディ | Clutch device for motorcycle |
| JP2011190885A (en) * | 2010-03-15 | 2011-09-29 | Honda Motor Co Ltd | Multiple plate type clutch |
| CN102502183A (en) * | 2011-10-14 | 2012-06-20 | 力博重工科技股份有限公司 | Torque-limiting-type contact non-return device |
| CN202901101U (en) * | 2012-10-09 | 2013-04-24 | 常州南车铁马科技实业有限公司 | Friction type torque-limiting clutch |
-
2012
- 2012-10-09 CN CN201210379851.2A patent/CN102900789B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0108974A1 (en) * | 1982-11-12 | 1984-05-23 | ATEC-Weiss KG | Torque limiting coupling |
| US6190258B1 (en) * | 1993-12-17 | 2001-02-20 | Power Transmission Technology, Inc. | Torque limiter clutch |
| WO2011049109A1 (en) * | 2009-10-21 | 2011-04-28 | 株式会社エクセディ | Clutch device for motorcycle |
| JP2011190885A (en) * | 2010-03-15 | 2011-09-29 | Honda Motor Co Ltd | Multiple plate type clutch |
| CN102502183A (en) * | 2011-10-14 | 2012-06-20 | 力博重工科技股份有限公司 | Torque-limiting-type contact non-return device |
| CN202901101U (en) * | 2012-10-09 | 2013-04-24 | 常州南车铁马科技实业有限公司 | Friction type torque-limiting clutch |
Non-Patent Citations (1)
| Title |
|---|
| 吴昌林等: "《机械设计 第3版》", 31 March 2011 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103207124A (en) * | 2013-03-06 | 2013-07-17 | 中国石油天然气集团公司 | System and method for testing wear resistance of tubing |
| CN103207124B (en) * | 2013-03-06 | 2015-08-05 | 中国石油天然气集团公司 | The system and method for test tubing anti-wear performance |
| CN106224406A (en) * | 2016-09-19 | 2016-12-14 | 徐州徐工随车起重机有限公司 | A kind of adjustable overloading for reductor protects clutch |
| CN106704403A (en) * | 2016-11-16 | 2017-05-24 | 泰兴市东方海工设备有限公司 | Friction type clutch |
| CN106744415A (en) * | 2016-11-16 | 2017-05-31 | 泰兴市东方海工设备有限公司 | A kind of friction clutch winch |
| CN108775349A (en) * | 2018-06-29 | 2018-11-09 | 南京高速齿轮制造有限公司 | Yaw the clutch protecting mechanism of variable propeller gearbox input terminal |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102900789B (en) | 2015-06-17 |
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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 | ||
| CP03 | Change of name, title or address |
Address after: Xue Jia Zhen 213125 north of Jiangsu Province, Changzhou City Shun Road No. 19 Co-patentee after: CRRC QISHUYAN INSTITUTE Co.,Ltd. Patentee after: CRRC CHANGZHOU TECH-MARK INDUSTRIAL Co.,Ltd. Address before: The new North City of Changzhou province Jiangsu 213125 Bi Shun Road No. 19 Co-patentee before: CSR QISHUYAN INSTITUTE Co.,Ltd. Patentee before: CSR CHANGZHOU TECH-MARK INDUSTRIAL Co.,Ltd. |
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| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: Xue Jia Zhen 213125 north of Jiangsu Province, Changzhou City Shun Road No. 19 Patentee after: CRRC CHANGZHOU TECH-MARK INDUSTRIAL Co.,Ltd. Country or region after: China Patentee after: CRRC Qishuyan Locomotive and Rolling Stock Technology Research Institute Co.,Ltd. Address before: Xue Jia Zhen 213125 north of Jiangsu Province, Changzhou City Shun Road No. 19 Patentee before: CRRC CHANGZHOU TECH-MARK INDUSTRIAL Co.,Ltd. Country or region before: China Patentee before: CRRC QISHUYAN INSTITUTE Co.,Ltd. |
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| CP03 | Change of name, title or address |