CN104533988A - Plane friction torque limiting clutch - Google Patents
Plane friction torque limiting clutch Download PDFInfo
- Publication number
- CN104533988A CN104533988A CN201410817127.2A CN201410817127A CN104533988A CN 104533988 A CN104533988 A CN 104533988A CN 201410817127 A CN201410817127 A CN 201410817127A CN 104533988 A CN104533988 A CN 104533988A
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- spring
- pressing plate
- plate
- belt wheel
- friction
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Abstract
The invention discloses a plane friction torque limiting clutch. The plane friction torque limiting clutch comprises belt wheels and a shaft sleeve. The belt wheels are arranged on the shaft sleeve through a sleeve in a sleeving mode. A friction plate and a pressing plate are arranged between each belt wheel and the shaft sleeve in the axial direction in sequence. A belleville spring is arranged between each pressing plate and the corresponding belt wheel and is arranged on the top of the corresponding friction plate and the pressing plate in a contact mode. One side of one belleville spring is connected with a baffle, an adjusting nut is arranged outside the baffle, the adjusting nut penetrates through the baffle and makes contact with the corresponding belleville spring in an attaching mode, a pressing ring connected to each pressing plate is arranged behind the corresponding friction plate, the rear end of each pressing plate is connected with a spring seat, spring holes are evenly distributed in each spring seat along the circumference, each spring hole is internally provided with a spiral spring and a cushion block, and one end of each spiral spring abuts against the corresponding cushion block. The plane friction torque limiting clutch is simple in structure, high in reliability and low in cost.
Description
Technical field
The present invention relates to a kind of clutch, particularly relate to a kind of planar friction limit square clutch.
Background technique
At present in agricultural motor, machinery, clutch is easily damaged parts, and its main cause is that its working condition is poor, starting torque is larger, cause platen serious wear, in use, people had both wished large torque to people, increase its power, but power is excessive, also easily cause the accelerated wear test of platen, even cause scrapping of clutch, therefore, more existing clutches are often difficult to the usage requirement meeting people.
Limit square clutch is the clutch that the moment of torsion guaranteeing to transmit or rotating speed are no more than certain limit value, needs to install suitable limit square clutch, to prevent the damage causing motor, transmission system because of load drastic change in heavy mechanical equipment.The pattern of limit square clutch has multiple, and friction type limit square clutch is one wherein, and existing friction type limit square clutch often complex structure is expensive, also can not get well using and promoting in some factories and workshop inner face.
Summary of the invention
The object of the present invention is to provide the planar friction limit square clutch that a kind of structure is simple, reliability is high and cost is low.
To achieve these goals, the invention provides following technological scheme: a kind of planar friction limit square clutch, comprise belt wheel and axle sleeve, described belt wheel is located on axle sleeve by jacket casing, described belt wheel and shaft room are provided with friction plate and pressing plate vertically successively, belleville spring is provided with between described pressing plate and belt wheel, described belleville spring pastes the top of touching and being located at friction plate and pressing plate, described belleville spring side is connected with baffle plate, adjusting nut is provided with outside described baffle plate, described adjusting nut runs through baffle plate and pastes tactile with belleville spring, the rear of described friction plate is provided with the pressure ring be connected on pressing plate, the rear end of described pressing plate is connected with spring seat, described spring seat is circumferentially evenly distributed with spring eye, helical spring and cushion block is provided with in each spring eye, helical spring one end and cushion block offset, the helical spring the other end stretches out spring eye and offsets with pressure ring, on the trailing flank of spring seat, corresponding each spring eye is provided with screw hole, adjusting screw is provided with in screw hole, adjusting screw and cushion block offset, adjusting screw is provided with locking nut.
The principle of this programme is such: the belt wheel on axle sleeve is driving pulley, and driving pulley passes through sleeve kink on axle sleeve, belt wheel is rotated by the frictional force band moving axis between friction plate and pressing plate, end face of shaft bush, during overload, skids between rubbing surface, play the effect of insurance, pressure between rubbing surface is produced by belleville spring, and belleville spring side is connected with baffle plate, is provided with adjusting nut outside described baffle plate, by the size of adjusting nut adjustment impacting force, stall torque value can be changed.Each helical spring is equipped with an adjusting screw, helical spring is respectively regulated by adjusting screw, so the screw-down torque of adjusting screw is little, only need to use general little torque wrench can regulate adjusting screw, conveniently carry out on-line tuning on a production line, the helical spring structure put in week provides impacting force, make friction plate uniform force, not easily there is friction plate eccentric wear phenomenon, when adjusting identical decrement, the change of its impacting force is less, therefore its Adjustment precision is higher, helical spring is arranged in the spring eye of spring seat, helical spring is not easily deviate from, Safety performance is good, and overall structure is simply compact, required space is little, helical spring is between pressure ring and cushion block, without relative movement between pressure ring and cushion block, helical spring does not bear torsion, so helical spring is not fragile.
Preferably, described pressure ring is by spline joint on pressing plate, and spline joint is firm, takes up room little, easy installation and removal.
Preferably, adopt screw to be fixed between described axle sleeve and belt wheel, it is simple, convenient, quick detachable to connect.
Preferably, the surface of contact of described friction plate and pressing plate is rubbing surface, and described rubbing surface is the conical surface, and rubbing surface is made the conical surface, to increase the positive pressure between surface of contact.
Preferably, the equal diameters of described baffle plate and axle sleeve, when mounted, can make both better couplings, avoids producing during work interfering.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of planar friction limit of the present invention square clutch embodiment;
Fig. 2 is that a kind of planar friction of the present invention limit square clutch embodiment is hit by a bullet the schematic diagram of spring abutment.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation:
Reference character in Figure of description comprises: belt wheel 1, axle sleeve 2, sleeve 3, friction plate 4, pressing plate 5, belleville spring 6, baffle plate 7, adjusting nut 8, screw 9, rubbing surface 10, axle 11, pressure ring 12, spring seat 13, helical spring 14, cushion block 15, adjusting screw 16, locking nut 17.
As Fig. 1, shown in Fig. 2, a kind of planar friction limit square clutch, comprise belt wheel 1 and axle sleeve 2, belt wheel 1 is set on axle sleeve 2 by sleeve 3, friction plate 4 and pressing plate 5 is provided with vertically successively between belt wheel 1 and axle sleeve 2, belleville spring 6 is provided with between pressing plate 5 and belt wheel 1, belleville spring 6 pastes the top of touching and being located at friction plate 4 and pressing plate 5, belleville spring 6 side is connected with baffle plate 7, adjusting nut 8 is provided with outside baffle plate 7, adjusting nut 8 runs through baffle plate 7 and pastes tactile with belleville spring 6, screw 9 is adopted to be fixed between axle sleeve 2 and belt wheel 1, the surface of contact of friction plate 4 and pressing plate 5 is rubbing surface 10, rubbing surface 10 is the conical surface, the equal diameters of baffle plate 7 and axle sleeve 2, the rear of friction plate 4 is provided with the pressure ring 12 be connected on pressing plate 5, the rear end of pressing plate 5 is connected with spring seat 13, spring seat 13 is circumferentially evenly distributed with spring eye, helical spring 14 and cushion block 15 is provided with in each spring eye, one end and the cushion block 15 of helical spring 14 offset, the other end of helical spring 14 stretches out spring eye and offsets with pressure ring 12, on the trailing flank of spring seat 13, corresponding each spring eye is provided with screw hole, adjusting screw 16 is provided with in screw hole, adjusting screw 16 and cushion block 15 offset, adjusting screw 16 is provided with locking nut 17.
In the present embodiment, belt wheel 1 on axle sleeve 2 is driving pulley, and driving pulley by sleeve 3 kink on axle sleeve 2, belt wheel 1 is rotated by the frictional force band moving axis 11 between friction plate 4 and pressing plate 5, axle sleeve 2 end face, during overload, skid between rubbing surface 10, play the effect of insurance, the pressure between rubbing surface 10 is produced by belleville spring 6, belleville spring 6 side is connected with baffle plate 7, be provided with adjusting nut 8 outside baffle plate 7, adjust the size of impacting force with adjusting nut 8, stall torque value can be changed.Each helical spring 14 is equipped with an adjusting screw 16, helical spring 14 is respectively regulated by adjusting screw 16, so the screw-down torque of adjusting screw 16 is little, only need to use general little torque wrench can regulate adjusting screw 16, conveniently carry out on-line tuning on a production line, helical spring 14 structure of putting in week provides impacting force, make friction plate 4 uniform force, not easily there is friction plate 4 eccentric wear phenomenon, when adjusting identical decrement, the change of its impacting force is less, therefore its Adjustment precision is higher, helical spring 14 is arranged in the spring eye of spring seat 13, helical spring 14 is not easily deviate from, Safety performance is good, and overall structure is simply compact, required space is little, helical spring 14 is between pressure ring 12 and cushion block 15, without relative movement between pressure ring 12 and cushion block 15, helical spring 14 does not bear torsion, so helical spring 14 is not fragile.
Pressure ring 12 by spline joint on pressing plate 5, spline joint is firm, take up room little, easy installation and removal, adopts screw 9 to be fixed between axle sleeve 2 and belt wheel 1, it is simple, convenient to connect, quick detachable, the surface of contact of friction plate 4 and pressing plate 5 is rubbing surface 10, and rubbing surface 10 is the conical surface, rubbing surface 10 is made the conical surface, to increase the positive pressure between surface of contact.In addition, impacting force can produce with spring, also can use the generations such as inclined-plane, lever device, hydraulic mechanism, electromagnetic force and centrifugal force.
Above-described is only the preferred embodiment of the present invention; should be understood that; for a person skilled in the art; under the prerequisite not departing from structure of the present invention; some distortion and improvement can also be made; these also should be considered as protection scope of the present invention, and these all can not affect effect of the invention process and practical applicability.
Claims (5)
1. a planar friction limit square clutch, it is characterized in that, comprise belt wheel and axle sleeve, described belt wheel is located on axle sleeve by jacket casing, described belt wheel and shaft room are provided with friction plate and pressing plate vertically successively, belleville spring is provided with between described pressing plate and belt wheel, described belleville spring pastes the top of touching and being located at friction plate and pressing plate, described belleville spring side is connected with baffle plate, adjusting nut is provided with outside described baffle plate, described adjusting nut runs through baffle plate and pastes tactile with belleville spring, the rear of described friction plate is provided with the pressure ring be connected on pressing plate, the rear end of described pressing plate is connected with spring seat, described spring seat is circumferentially evenly distributed with spring eye, helical spring and cushion block is provided with in each spring eye, helical spring one end and cushion block offset, the helical spring the other end stretches out spring eye and offsets with pressure ring, on the trailing flank of spring seat, corresponding each spring eye is provided with screw hole, adjusting screw is provided with in screw hole, adjusting screw and cushion block offset, adjusting screw is provided with locking nut.
2. a kind of planar friction limit square clutch as claimed in claim 1, is characterized in that, described pressure ring by spline joint on pressing plate.
3. a kind of planar friction limit square clutch as claimed in claim 1, is characterized in that, adopt screw to be fixed between described axle sleeve and belt wheel.
4. a kind of planar friction limit square clutch as claimed in claim 1 or 2, it is characterized in that, the surface of contact of described friction plate and pressing plate is rubbing surface, and described rubbing surface is the conical surface.
5. a kind of planar friction limit square clutch as claimed in claim 1 or 2, is characterized in that, the equal diameters of described baffle plate and axle sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410817127.2A CN104533988A (en) | 2014-12-25 | 2014-12-25 | Plane friction torque limiting clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410817127.2A CN104533988A (en) | 2014-12-25 | 2014-12-25 | Plane friction torque limiting clutch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104533988A true CN104533988A (en) | 2015-04-22 |
Family
ID=52849574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410817127.2A Pending CN104533988A (en) | 2014-12-25 | 2014-12-25 | Plane friction torque limiting clutch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104533988A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105715693A (en) * | 2016-04-25 | 2016-06-29 | 苏州市职业大学 | Safety coupler |
| 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 |
| 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 |
| CN111981057A (en) * | 2020-07-29 | 2020-11-24 | 太仓三本传动机械有限公司 | Friction type torsion protector |
| CN114483817A (en) * | 2021-11-23 | 2022-05-13 | 株洲时代新材料科技股份有限公司 | Torque limiter and assembling method thereof |
| CN115126715A (en) * | 2022-07-07 | 2022-09-30 | 明光市留香泵业有限公司 | Connecting shaft mechanism for mixed transportation pump |
-
2014
- 2014-12-25 CN CN201410817127.2A patent/CN104533988A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105715693A (en) * | 2016-04-25 | 2016-06-29 | 苏州市职业大学 | Safety coupler |
| CN105715693B (en) * | 2016-04-25 | 2019-01-08 | 苏州市职业大学 | A kind of safety coupling |
| 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 |
| 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 |
| CN111981057A (en) * | 2020-07-29 | 2020-11-24 | 太仓三本传动机械有限公司 | Friction type torsion protector |
| CN114483817A (en) * | 2021-11-23 | 2022-05-13 | 株洲时代新材料科技股份有限公司 | Torque limiter and assembling method thereof |
| CN114483817B (en) * | 2021-11-23 | 2024-02-27 | 株洲时代新材料科技股份有限公司 | Torque limiter and assembly method thereof |
| CN115126715A (en) * | 2022-07-07 | 2022-09-30 | 明光市留香泵业有限公司 | Connecting shaft mechanism for mixed transportation pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150422 |