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CN102996675A - Friction torque limiting device with adjustable torque - Google Patents

Friction torque limiting device with adjustable torque Download PDF

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Publication number
CN102996675A
CN102996675A CN2011102475995A CN201110247599A CN102996675A CN 102996675 A CN102996675 A CN 102996675A CN 2011102475995 A CN2011102475995 A CN 2011102475995A CN 201110247599 A CN201110247599 A CN 201110247599A CN 102996675 A CN102996675 A CN 102996675A
Authority
CN
China
Prior art keywords
friction
housing
spline
torque
moment
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN2011102475995A
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Chinese (zh)
Inventor
姜永涛
徐鸿钧
赵玉良
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China National Heavy Machinery Research Institute Co Ltd
Original Assignee
China National Heavy Machinery Research Institute Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China National Heavy Machinery Research Institute Co Ltd filed Critical China National Heavy Machinery Research Institute Co Ltd
Priority to CN2011102475995A priority Critical patent/CN102996675A/en
Publication of CN102996675A publication Critical patent/CN102996675A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a friction torque limiting device with adjustable torque. The friction torque limiting device comprises a casing, wherein the casing is in a cylindrical cavity shape, the casing is assembled on a spline sleeve through a bearing located in a cavity, more than two pin rolls are evenly distributed in the circumferential direction of the casing, outer friction pieces are sleeved on pin rolls, the spline sleeve is connected with more than one circular inner friction pieces through a spline of the spline sleeve, inner friction pieces and outer friction pieces are arranged alternately to form a friction assembly, one bottom face of the friction assembly is closely attached to a stopping plate on the spline sleeve, the other bottom face of the friction assembly is closely attached to a pressing plate on the spline sleeve, and a locking nut on the spline sleeve is used for pressing against a pre-tightening assembly to adjust the tightness of the friction assembly. According to the friction torque limiting device, different friction and spring combinations can be selected to transmit different working torque according to the range of transmitted torque, if the transmitted torque is reduced after a period of time of working, the pre-tightening assembly can be adjusted to compensate errors of the transmitted torque of the device, and simultaneously, the friction torque limiting device is compact in structure, high in transmission power, wide in application range, high in reliability and long in life.

Description

The friction Distance limiter that a kind of moment of torsion is adjustable
Technical field
The invention belongs to the industry apparatus overload resist technology fields such as metallurgy, mine, colliery, relate to a kind of friction Distance limiter, particularly the adjustable friction Distance limiter of a kind of moment of torsion.
Background technique
Speed reducer for conveyor and chain overload protection device are more under traditional coal mine, and hydraulic couplers, elastic coupling flexible coupling, the sticking clutch of liquid, fixing spring friction Distance limiter etc. are arranged.But hydraulic couplers working life is short, transmitted power is little; The elastic coupling flexible coupling protective capability is poor, transmitted power is little and the maintenance inconvenient; The sticking clutch of liquid takes up room large, expensive and the maintenance complexity; The problems such as fixing spring friction Distance limiter transmitting torque is unadjustable, the product versatility is poor, maintenance is inconvenient.
Summary of the invention
In order to overcome above-mentioned the deficiencies in the prior art, the object of the present invention is to provide the adjustable friction Distance limiter of a kind of moment of torsion, can according to the torque range that transmits, select different friction plates and the combination of spring, realize transmitting different Operating torques, the working life that can improve friction plate simultaneously.
To achieve these goals, the technical solution used in the present invention is:
The friction Distance limiter that a kind of moment of torsion is adjustable, the housing 1 that comprises the cylindrical cavity shape, housing 1 is assemblied on the spline housing 4 by the bearing 2 that is positioned at the chamber, upwards be evenly equipped with plural bearing pin 3 week of housing 1, be set with outside friction disc 6 on the bearing pin 3, spline housing 4 is by the more than one ring inner attrition piece 7 of spline joint of self, inner attrition piece 7 and outside friction disc 6 are alternately arranged and are formed friction component 14, a bottom surface of friction component 14 is closely set in the baffle plate 5 on the spline housing 4, another bottom surface is closely set in the pressing plate 10 on the spline housing 4, also have locking nut 13 on the spline housing 4, between locking nut 13 and the pressing plate 10 pretension assembly 15 is arranged.
Described outside friction disc 6 is ring, has to insert the hole of bearing pin 3 on it.
Described pretension assembly 15 is spring 11 and spring bracket 12, and spring bracket 12 is close to locking nut 13, and spring 11 is between pressing plate 10 and spring bracket 12.
Described bearing pin 3 is hollow pin, is installed on the housing 1 by bolt 9, also comprises circular dunnage 8, and bolt 9 passes bearing pin 3 housing 1 and dunnage 8 are connected as one.
Spline on the described spline housing 4 is involute splines.
The present invention compared with prior art, compact structure, transmitted power is large, reliability is high, the size model of inner attrition piece, outside friction disc and pretension assembly can be selected according to different torque ranges, the friction Distance limiter of a model can be fit to the transmitting torque of certain limit, strong adaptability, friction plate can remedy because friction factor reduces the defective that transmitting torque descends by regulating tensioning mechanism after using a period of time, improves the working life of equipment.The replacing of accessory is easy to operate, and equipment is economic and practical.
Description of drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is the right elevation of Fig. 1.
Embodiment
Below in conjunction with drawings and Examples the present invention is described in further details.
As depicted in figs. 1 and 2, the present invention is the adjustable friction Distance limiter of a kind of moment of torsion, the housing 1 that comprises the cylindrical cavity shape, housing 1 is assemblied on the spline housing 4 by the bearing 2 that is positioned at the chamber, upwards be evenly equipped with 12 bearing pins 3 week of housing 1, be set with outside friction disc 6 on each bearing pin 3, outside friction disc 6 is ring, there is to insert the hole of bearing pin 3 on it, also has circular dunnage 8 outside the spline housing 4, bearing pin 3 is hollow pin, bolt 9 passes bearing pin 3 housing 1 and dunnage 8 is connected as one, 8 pairs of bearing pins 3 of dunnage play a supportive role, spline housing 4 is by the inner attrition piece 7 of the involute splines connection ring of self, inner attrition piece 7 and outside friction disc 6 are alternately arranged and are formed friction component 14, a bottom surface of friction component 14 is closely set in the baffle plate 5 on the spline housing 4, another bottom surface is closely set in the pressing plate 10 on the spline housing 4, pressing plate 10 is relative with spring bracket 12, between circumferential apertures in spring 11 is arranged, the opposite side of spring bracket 12 has locking nut 13, locking nut 13 is assemblied on the spline housing 4, can pressing plate 10 be compressed by spring bracket 12 and spring 11, and then cooperate friction component 14 compressions with baffle plate 5.
During work, the moment of torsion of motor output drives friction component 14 by housing 1, passes to retarder by spline housing 4 again, and then drives the equipment work such as conveyor.When peak load exceeds the moment of torsion of setting when temporary impact occurring; because inner attrition piece 7 is mounted on the spline; and the interior ring of outside friction disc 6 and spline are that certain spacing is arranged; therefore will produce relative sliding between inner attrition piece 7 and the outside friction disc 6; disconnect in short-term peak load, thereby play the purpose of overload protection.
According to the torque range that transmits, the size model of inner attrition piece, outside friction disc and pretension assembly can be done corresponding adjustment, realize transmitting different Operating torques, after work a period of time, because of the variation of the reduction of friction plate friction factor and spring rate when transmitting torque reduces, the pre-tightening apparatus that can regulate pretension assembly 15 is the error that locking nut 13 remedies the transmitting torque of equipment, the working life that also can improve friction plate simultaneously.

Claims (6)

1. friction Distance limiter that moment of torsion is adjustable, the housing (1) that comprises the cylindrical cavity shape, housing (1) is assemblied on the spline housing (4) by the bearing (2) that is positioned at the chamber, it is characterized in that, the week of housing (1) upwards is evenly equipped with plural bearing pin (3), be set with outside friction disc (6) on the bearing pin (3), spline housing (4) is by the more than one ring inner attrition piece of spline joint (7) of self, inner attrition piece (7) and outside friction disc (6) are alternately arranged and are formed friction component (14), a bottom surface of friction component (14) is closely set in the baffle plate (5) on the spline housing (4), another bottom surface is closely set in the pressing plate (10) on the spline housing (4), the upper in addition locking nut (13) of spline housing (4) has pretension assembly (15) between locking nut (13) and the pressing plate (10).
2. the adjustable friction Distance limiter of moment of torsion according to claim 1 is characterized in that, described outside friction disc (6) is ring, has to insert the hole of bearing pin (3) on it.
3. the adjustable friction Distance limiter of moment of torsion according to claim 1, it is characterized in that, described pretension assembly (15) is spring (11) and spring bracket (12), spring bracket (12) is close to locking nut (13), and spring (11) is positioned between pressing plate (10) and the spring bracket (12).
4. the adjustable friction Distance limiter of moment of torsion according to claim 1 is characterized in that, described bearing pin (3) is hollow pin, is installed on the housing (1) by bolt (9).
5. the adjustable friction Distance limiter of moment of torsion according to claim 4 is characterized in that, also comprises circular dunnage (8), and bolt (9) passes bearing pin (3) housing (1) and dunnage (8) are connected as one.
6. the adjustable friction Distance limiter of moment of torsion according to claim 1 is characterized in that, the spline on the described spline housing (4) is involute splines.
CN2011102475995A 2011-08-24 2011-08-24 Friction torque limiting device with adjustable torque Pending CN102996675A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011102475995A CN102996675A (en) 2011-08-24 2011-08-24 Friction torque limiting device with adjustable torque

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011102475995A CN102996675A (en) 2011-08-24 2011-08-24 Friction torque limiting device with adjustable torque

Publications (1)

Publication Number Publication Date
CN102996675A true CN102996675A (en) 2013-03-27

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011102475995A Pending CN102996675A (en) 2011-08-24 2011-08-24 Friction torque limiting device with adjustable torque

Country Status (1)

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CN (1) CN102996675A (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105422774A (en) * 2015-11-23 2016-03-23 中国矿业大学 Overload protecting device for transmission element of cutting part of coal mining machine
CN105782267A (en) * 2016-05-09 2016-07-20 黄山奔马集团有限公司 Separate multi-piece type clutch assembly
CN105805278A (en) * 2016-05-09 2016-07-27 黄山奔马集团有限公司 Split self-adaption automatic torque adding and energy saving driving assembly for electric vehicle
CN107152468A (en) * 2017-06-12 2017-09-12 中国航发哈尔滨东安发动机有限公司 A kind of slip clutch with overload protection
CN108343435A (en) * 2018-03-30 2018-07-31 北京力信德华科技有限公司 It is a kind of that there is the coalcutter for drawing running part double protecting device and its guard method
CN108397494A (en) * 2018-01-23 2018-08-14 安徽昊方机电股份有限公司 An automobile air conditioner torque transmission device
CN108799356A (en) * 2018-06-22 2018-11-13 厦门立圣丰机械有限公司 A kind of driving protection device and batcher
CN109210105A (en) * 2018-11-02 2019-01-15 武汉正通传动技术有限公司 Wind power generating set high speed big torque clutch
CN115325040A (en) * 2022-08-10 2022-11-11 威海市威力高档工具有限公司 Torque transmission device with adjustable torque parameters

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1536240A (en) * 2003-04-07 2004-10-13 Chr.迈尔有限公司及两合公司 Slide joint device
CN2921435Y (en) * 2005-12-23 2007-07-11 中煤张家口煤矿机械有限责任公司 friction torque limiter
EP2112388A2 (en) * 2008-04-23 2009-10-28 Funai Electric Co., Ltd. Torque limiter
CN101900169A (en) * 2009-05-27 2010-12-01 无锡港盛港口机械有限公司 Frictional plate type limit torque coupling
CN202251511U (en) * 2011-08-24 2012-05-30 中国重型机械研究院有限公司 Friction distance limiting device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1536240A (en) * 2003-04-07 2004-10-13 Chr.迈尔有限公司及两合公司 Slide joint device
CN2921435Y (en) * 2005-12-23 2007-07-11 中煤张家口煤矿机械有限责任公司 friction torque limiter
EP2112388A2 (en) * 2008-04-23 2009-10-28 Funai Electric Co., Ltd. Torque limiter
CN101900169A (en) * 2009-05-27 2010-12-01 无锡港盛港口机械有限公司 Frictional plate type limit torque coupling
CN202251511U (en) * 2011-08-24 2012-05-30 中国重型机械研究院有限公司 Friction distance limiting device

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105422774A (en) * 2015-11-23 2016-03-23 中国矿业大学 Overload protecting device for transmission element of cutting part of coal mining machine
CN105805278B (en) * 2016-05-09 2018-10-30 黄山奔马集团有限公司 A kind of electronic automobile-used split type adaptive automatic increasing energy saving drive assembly of square
CN105782267A (en) * 2016-05-09 2016-07-20 黄山奔马集团有限公司 Separate multi-piece type clutch assembly
CN105805278A (en) * 2016-05-09 2016-07-27 黄山奔马集团有限公司 Split self-adaption automatic torque adding and energy saving driving assembly for electric vehicle
CN107152468A (en) * 2017-06-12 2017-09-12 中国航发哈尔滨东安发动机有限公司 A kind of slip clutch with overload protection
CN108397494A (en) * 2018-01-23 2018-08-14 安徽昊方机电股份有限公司 An automobile air conditioner torque transmission device
CN108343435A (en) * 2018-03-30 2018-07-31 北京力信德华科技有限公司 It is a kind of that there is the coalcutter for drawing running part double protecting device and its guard method
CN108343435B (en) * 2018-03-30 2024-05-10 北京力信德华科技有限公司 Coal mining machine with traction traveling part double protection device and protection method thereof
CN108799356A (en) * 2018-06-22 2018-11-13 厦门立圣丰机械有限公司 A kind of driving protection device and batcher
CN109210105A (en) * 2018-11-02 2019-01-15 武汉正通传动技术有限公司 Wind power generating set high speed big torque clutch
CN109210105B (en) * 2018-11-02 2024-03-19 武汉正通传动技术有限公司 High-speed high-torque coupling for wind generating set
CN115325040A (en) * 2022-08-10 2022-11-11 威海市威力高档工具有限公司 Torque transmission device with adjustable torque parameters
CN115325040B (en) * 2022-08-10 2024-04-26 威海市威力高档工具有限公司 Torque transmission device with adjustable torque parameters

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Application publication date: 20130327