CN103016567A - Roller type bidirectional overrunning clutch having torque limiting function under static state - Google Patents
Roller type bidirectional overrunning clutch having torque limiting function under static state Download PDFInfo
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- CN103016567A CN103016567A CN2012105596943A CN201210559694A CN103016567A CN 103016567 A CN103016567 A CN 103016567A CN 2012105596943 A CN2012105596943 A CN 2012105596943A CN 201210559694 A CN201210559694 A CN 201210559694A CN 103016567 A CN103016567 A CN 103016567A
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Abstract
The invention relates to a roller type bidirectional overrunning clutch having a torque limiting function under static state. A fixed bracket, a top block control mechanism, slippage teeth, a main spring, roller type bidirectional overrunning clutch dialing wheel teeth, a roller type bidirectional overrunning clutch planetary wheel, a roller type bidirectional overrunning clutch outer ring, a roller, a roller mandril, a mandril spring, an adjusting rotating sheet, a top block reset spring, a flat key and an electromagnetic coil module, thereby forming a roller type bidirectional overrunning clutch jaw torque control module. The deficiency that the torque limiting function the existing roller type bidirectional overrunning clutch can not be realized under static non-working state can be overcome, when the torque needed exceeds a set value due to load vibration, overload or mechanical fault of a machine, the torque transmitted by a transmission system can be limited by a torque limiter in a slippage manner, and the torque limiting function under the static state can be realized, so that the role of protecting the clutch and equipment can be played.
Description
Technical field
The invention belongs to mechanical transmission fields, the roller type double rolling key clutch of torque-limiting function is particularly arranged under a kind of state of rest.
Background technique
At present, widely used roller type double rolling key clutch mostly is the star-wheel formula, is to be made of star-wheel, outer shroud, roller, spring spindle, pusher dog etc.When outer shroud initiatively and rotating speed when being higher than star-wheel, roller is together rotated thereby drive allocated catch and star-wheel and outer shroud by wedging.When outer shroud initiatively but rotating speed when being lower than star-wheel, roller is owing to the effect of spring spindle is got back in the wedge, throw-out-of clutch.At pusher dog initiatively and rotating speed when being higher than outer shroud, roller is got back in the wedge under the effect of pusher dog, throw-out-of clutch, and star-wheel dallies under the effect of pusher dog.But under the clutch state of rest, the roller type double rolling key clutch does not have torque-limiting function, need to install special-purpose torque limiter and break additional to finish torque-limiting function, this is so that the complicated in mechanical structure degree increases, and volume increases, and failure rate of machinery rises.
Through update search, find to have no the report about roller type double rolling key clutch patent that torque-limiting function is arranged under the state of rest roughly the same with the present invention both at home and abroad.Domestic patent nearest, that approach is by the invention " a kind of roller-type overrunning clutch " ([application number] 201120425863, [applying date] 2011 year October 31 day) of ancient Lv Zhen west city, Xincai County, Zhumadian City, Henan Province street for building Zhou Baomin application.But structure and the present invention of this invention differ greatly, and its specific works principle also is different from the present invention fully.
Summary of the invention
Technical problem solved by the invention is to provide the roller type of torque-limiting function double rolling key clutch under a kind of state of rest.
The technical solution that realizes the object of the invention is: the roller type double rolling key clutch that torque-limiting function is arranged under a kind of state of rest, comprise main shaft, fixed support, jacking block control mechanism, slippage tooth, main helical spring, the roller type double rolling key clutch allocated catch gear teeth, roller type bidirectional overriding type clutch star-wheel, roller type double rolling key clutch outer shroud, roller, roller push rod, push rod spring, adjusting blade, jacking block Returnning spring and flat key
Fixed support is set on the main shaft, be symmetrical arranged the jacking block control mechanism on the fixed support, the slippage tooth is set on the jacking block control mechanism, this slippage tooth is enclosed within on the main shaft and can moves relative to the jacking block control mechanism, between fixed support and the jacking block control mechanism jacking block Returnning spring is set, this jacking block Returnning spring pushes away it closely to major axes orientation jacking block control mechanism applied thrust;
The adjusting blade that is threaded with it also is set on fixed support, regulate between blade and the slippage tooth main helical spring is set, the lower end of main shaft is connected by flat key with roller type bidirectional overriding type clutch star-wheel, roller type bidirectional overriding type clutch star-wheel inside has some hole slots, roller push rod and push rod spring all are set in each hole slot, push rod spring links to each other with the roller push rod, to its applied thrust, roller push rod and roller is held out against;
Roller type bidirectional overriding type clutch star-wheel outer installment roller type double rolling key clutch outer shroud arranges the roller type double rolling key clutch allocated catch gear teeth and roller between roller type bidirectional overriding type clutch star-wheel and the roller type double rolling key clutch outer shroud.
The present invention compared with prior art, its remarkable advantage is: 1) clutch of the present invention is under the prerequisite that does not install torque limiter and break additional, can under static state realize the torque-limiting function of roller type double rolling key clutch, the torque limited modular structure is simple, and volume is little; 2) clutch of the present invention overcomes the deficiency that existing roller type double rolling key clutch under static state can not be realized torque-limiting function; when load torque surpasses setting value; the moment of torsion that clutch is transmitted with the mode limiting drive train system that skids; realize the torque-limiting function under the state of rest, thereby play the effect of protection clutch and equipment.
Below in conjunction with accompanying drawing the present invention is described in further detail.
Description of drawings
Fig. 1 is the roller type double rolling key clutch plan view that torque-limiting function is arranged under the state of rest of the present invention.
Fig. 2 is the left view that the roller type double rolling key clutch of torque-limiting function is arranged under the state of rest of the present invention.
Fig. 3 is the roller type double rolling key clutch B--B sectional view that torque-limiting function is arranged under the state of rest of the present invention.
Fig. 4 is the roller type double rolling key clutch plan view that torque-limiting function is arranged under the state of rest of the present invention.
The implication of number in the figure representative is: 1-main shaft, 2-fixed support, 3-jacking block control mechanism, 4-slippage tooth, 5-master's helical spring, the 6-roller type double rolling key clutch allocated catch gear teeth, 7-roller type bidirectional overriding type clutch star-wheel, 8-roller type double rolling key clutch outer shroud, 9-roller, 10-roller push rod, the 11-push rod spring, 12-regulates blade, 13-jacking block Returnning spring, 14-flat key.
Embodiment
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, the roller type double rolling key clutch that torque-limiting function is arranged under a kind of state of rest of the present invention, comprise main shaft 1, fixed support 2, jacking block control mechanism 3, slippage tooth 4, main helical spring 5, the roller type double rolling key clutch allocated catch gear teeth 6, roller type double rolling key clutch star-wheel 7, roller type double rolling key clutch outer shroud 8, roller 9, roller push rod 10, push rod spring 11, regulate blade 12, jacking block Returnning spring 13 and flat key 14
Fixed support 2 is set on the main shaft 1, be symmetrical arranged jacking block control mechanism 3 on the fixed support 2, slippage tooth 4 is set on the jacking block control mechanism 3, this slippage tooth 4 is enclosed within on the main shaft 1 and can moves relative to jacking block control mechanism 3, between fixed support 2 and the jacking block control mechanism 3 jacking block Returnning spring 13 is set, 13 pairs of jacking block control mechanism 3 applied thrusts of this jacking block Returnning spring push away it closely to major axes orientation;
The adjusting blade 12 that is threaded with it also is set on fixed support 2, regulate between blade 12 and the slippage tooth 4 main helical spring 5 is set, the lower end of main shaft 1 is connected by flat key 14 with roller type double rolling key clutch star-wheel 7, roller type bidirectional overriding type clutch star-wheel 7 inside have some hole slots, roller push rod 10 and push rod spring 11 all are set in each hole slot, push rod spring 11 links to each other with roller push rod 10, to its applied thrust, roller push rod 10 and roller 9 is held out against;
Roller type bidirectional overriding type clutch star-wheel 7 outer installment roller type double rolling key clutch outer shrouds 8 arrange the roller type double rolling key clutch allocated catch gear teeth 6 and roller 9 between roller type double rolling key clutch star-wheel 7 and the roller type double rolling key clutch outer shroud 8.
Between 7 liang of wedges of described roller type bidirectional overriding type clutch star-wheel the roller type double rolling key clutch allocated catch gear teeth 6 are set, in the wedge of roller type bidirectional overriding type clutch star-wheel 7 roller 9 are set.
On described fixed support 2 and the jacking block control mechanism 3 hole slot is set all, push rod spring 11 is set in the hole slot.Electromagnetic coil module to 3 absorption of jacking block control mechanism is set on the fixed support 2.
When clutch was static, the roller type double rolling key clutch allocated catch gear teeth 6 were meshed with slippage tooth 4, and main spring 5 by compression.At this moment, when if relative sliding trend appears in roller type double rolling key clutch star-wheel 7 and outer shroud 8, the roller type double rolling key clutch allocated catch gear teeth 6 are equivalent to break with slippage tooth 4, when the moment of torsion on acting on roller type double rolling key clutch star-wheel 7 and outer shroud 8 surpasses main spring 5 elastic force predefined value, relative sliding occurs in star-wheel 7 and outer shroud 8, the roller type double rolling key clutch allocated catch gear teeth 6 mesh with next tooth respectively with slippage tooth 4, repeat said process.
The roller type double rolling key clutch allocated catch gear teeth 6 of installing on the main shaft 1, roller type bidirectional overriding type clutch star-wheel 7, roller type double rolling key clutch outer shroud 8, roller 9, roller push rod 10, push rod spring 11, and the relative position of flat key 14 as shown in Figure 3.During the clutch normal operation, when outer shroud 8 actives, clutch can be to the both direction transmitting torque, when 6 actives of the allocated catch gear teeth, no matter how turn to, as long as the allocated catch gear teeth 6 speed are greater than outer shroud 8 speed, clutch is broken away from, the allocated catch gear teeth 6 are done and are surmounted motion, and the allocated catch gear teeth 6 can interrupt the motion, be a kind of reversing clutch.During the clutch state of rest, the allocated catch gear teeth 6 and 4 engagements of slippage tooth can drive the allocated catch gear teeth 6, thereby realize torque-limiting function when star-wheel 7 rotates.
Clutch of the present invention overcomes the deficiency that existing roller type double rolling key clutch under static state can not be realized torque-limiting function; when load torque surpasses setting value; the moment of torsion that clutch is transmitted with the mode limiting drive train system that skids; realize the torque-limiting function under the state of rest, thereby play the effect of protection clutch and equipment.
Claims (4)
1. the roller type double rolling key clutch that torque-limiting function is arranged under the state of rest, it is characterized in that, comprise main shaft [1], fixed support [2], jacking block control mechanism [3], slippage tooth [4], main helical spring [5], the roller type double rolling key clutch allocated catch gear teeth [6], roller type double rolling key clutch star-wheel [7], roller type double rolling key clutch outer shroud [8], roller [9], roller push rod [10], push rod spring [11], regulate blade [12], jacking block Returnning spring [13] and flat key [14]
Fixed support [2] is set on the main shaft [1], be symmetrical arranged jacking block control mechanism [3] on the fixed support [2], slippage tooth [4] is set on the jacking block control mechanism [3], this slippage tooth [4] is enclosed within main shaft [1] upward and can moves relative to jacking block control mechanism [3], between fixed support [2] and the jacking block control mechanism [3] jacking block Returnning spring [13] is set, this jacking block Returnning spring [13] pushes away it closely to major axes orientation jacking block control mechanism [3] applied thrust;
The adjusting blade [12] that is threaded with it also is set on fixed support [2], regulate between blade [12] and the slippage tooth [4] main helical spring [5] is set, the lower end of main shaft [1] is connected by flat key [14] with roller type double rolling key clutch star-wheel [7], roller type bidirectional overriding type clutch star-wheel [7] inside has some hole slots, roller push rod [10] and push rod spring [11] all are set in each hole slot, push rod spring [11] links to each other with roller push rod [10], to its applied thrust, roller push rod [10] and roller [9] are held out against;
Roller type bidirectional overriding type clutch star-wheel [7] outer installment roller type double rolling key clutch outer shroud [8] arranges the roller type double rolling key clutch allocated catch gear teeth [6] and roller [9] between roller type double rolling key clutch star-wheel [7] and the roller type double rolling key clutch outer shroud [8].
2. the roller type double rolling key clutch that torque-limiting function is arranged under the state of rest according to claim 1, it is characterized in that, between roller type bidirectional overriding type clutch star-wheel [7] two wedges roller type double rolling key clutch allocated catch gear teeth [6] are set, roller [9] is set in the wedge of roller type bidirectional overriding type clutch star-wheel [7].
3. the roller type double rolling key clutch of torque-limiting function is arranged under the state of rest according to claim 1, it is characterized in that, on fixed support [2] and the jacking block control mechanism [3] hole slot is set all, push rod spring [11] is set in the hole slot.
4. the roller type double rolling key clutch of torque-limiting function is arranged under the state of rest according to claim 1, it is characterized in that, the electromagnetic coil module to jacking block control mechanism [3] absorption is set on the fixed support [2].
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105596943A CN103016567A (en) | 2012-12-21 | 2012-12-21 | Roller type bidirectional overrunning clutch having torque limiting function under static state |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105596943A CN103016567A (en) | 2012-12-21 | 2012-12-21 | Roller type bidirectional overrunning clutch having torque limiting function under static state |
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| CN103016567A true CN103016567A (en) | 2013-04-03 |
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| CN2012105596943A Pending CN103016567A (en) | 2012-12-21 | 2012-12-21 | Roller type bidirectional overrunning clutch having torque limiting function under static state |
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| CN (1) | CN103016567A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103464511A (en) * | 2013-09-25 | 2013-12-25 | 苏州新金相金属材料有限公司 | Metal coiling device |
| CN107420455A (en) * | 2017-10-11 | 2017-12-01 | 无锡英倍思机械有限公司 | A kind of brake gear |
| CN107882893A (en) * | 2017-12-08 | 2018-04-06 | 龙口中宇热管理系统科技有限公司 | A kind of bidirectional overriding type clutch controlled using electromagnetic attraction |
| CZ307568B6 (en) * | 2017-10-05 | 2018-12-12 | TFA s.r.o | A free-wheel mechanism |
| WO2021046790A1 (en) * | 2019-09-12 | 2021-03-18 | 南京东屋电气有限公司 | Electronic door lock having bidirectional overrunning clutch and use method thereof |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103464511A (en) * | 2013-09-25 | 2013-12-25 | 苏州新金相金属材料有限公司 | Metal coiling device |
| CZ307568B6 (en) * | 2017-10-05 | 2018-12-12 | TFA s.r.o | A free-wheel mechanism |
| CN107420455A (en) * | 2017-10-11 | 2017-12-01 | 无锡英倍思机械有限公司 | A kind of brake gear |
| CN107420455B (en) * | 2017-10-11 | 2019-03-05 | 无锡英倍思机械有限公司 | A kind of brake gear |
| CN107882893A (en) * | 2017-12-08 | 2018-04-06 | 龙口中宇热管理系统科技有限公司 | A kind of bidirectional overriding type clutch controlled using electromagnetic attraction |
| CN107882893B (en) * | 2017-12-08 | 2023-06-13 | 龙口中宇热管理系统科技有限公司 | Bidirectional overrunning clutch controlled by electromagnetic attraction force |
| CN112601899A (en) * | 2019-09-12 | 2021-04-02 | 南京东屋电气有限公司 | Electronic door lock with bidirectional overrunning clutch and using method thereof |
| US20220195753A1 (en) * | 2019-09-12 | 2022-06-23 | Nanjing Easthouse Electrical Co., Ltd. | Electronic door locks having bi-directional overruning clutches and methods of using the same |
| US20230045193A1 (en) * | 2019-09-12 | 2023-02-09 | Nanjing Easthouse Electrical Co., Ltd. | Electronic door locks having bi-directional overruning clutches and methods of using the same |
| US20230042077A1 (en) * | 2019-09-12 | 2023-02-09 | Nanjing Easthouse Electrical Co., Ltd. | Electronic door locks having bi-directional overruning clutches and methods of using the same |
| WO2021046790A1 (en) * | 2019-09-12 | 2021-03-18 | 南京东屋电气有限公司 | Electronic door lock having bidirectional overrunning clutch and use method thereof |
| US11708706B2 (en) * | 2019-09-12 | 2023-07-25 | Nanjing Easthouse Electrical Co., Ltd. | Electronic door locks having bi-directional overrunning clutches and methods of using the same |
| US11905738B2 (en) * | 2019-09-12 | 2024-02-20 | Nanjing Easthouse Electrical Co., Ltd. | Electronic door locks having bi-directional overruning clutches and methods of using the same |
| US11920376B2 (en) * | 2019-09-12 | 2024-03-05 | Nanjing Easthouse Electrical Co., Ltd. | Electronic door locks having bi-directional overruning clutches and methods of using the same |
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Application publication date: 20130403 |