CN105156506A - Small normally-open type high-speed clutch - Google Patents
Small normally-open type high-speed clutch Download PDFInfo
- Publication number
- CN105156506A CN105156506A CN201510628216.7A CN201510628216A CN105156506A CN 105156506 A CN105156506 A CN 105156506A CN 201510628216 A CN201510628216 A CN 201510628216A CN 105156506 A CN105156506 A CN 105156506A
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- China
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- input shaft
- power input
- hand rotation
- connecting sleeve
- rotation disc
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- Mechanical Operated Clutches (AREA)
- One-Way And Automatic Clutches, And Combinations Of Different Clutches (AREA)
Abstract
The invention discloses a small normally-open type high-speed clutch which comprises a power input shaft. The power input shaft is connected with a center hole in a rotary disc through a key. The outer circle face of the rotary disc is provided with a cylindrical pin hole. A cylindrical pin is arranged in the cylindrical pin hole. The cylindrical pin is connected with the bottom of the cylindrical pin hole through an extension spring. The rotary disc is sleeved with a connecting sleeve. The inner side of the connecting sleeve is provided with a groove matched with the cylindrical pin. The outer side of the connecting sleeve is provided with a key groove. A left end cover is fixed to one end of the connecting sleeve through a hexagon socket screw. A right end cover is fixed to the other end of the connecting sleeve through the hexagon socket screw. A conical roller bearing is arranged between the left end cover and the power input shaft, and a conical roller bearing is arranged between the right end cover and the power input shaft. According to the small normally-open type high-speed clutch, engagement and disengagement of the clutch can be achieved only through rotation of the power input shaft without external force, the principle and structure are simple, and power on-off of small mobile equipment used in special environment is achieved.
Description
Technical field
The present invention relates to a kind of clutch, especially a kind of small-sized high-speed clutch open in usual.
Background technique
Clutch is similar to switch, and Main Function engages or dialysis transmission of power.Its active part of clutch mechanism can temporarily be separated with secondary part, can engage gradually again, the active part of clutch and secondary part are by the rubbing action between surface of contact, or with liquid as driving medium (fluid coupling), or carry out transmitting torque by magnetic drives (magnetic clutch), make can temporarily be separated between the two, can engage gradually again.But above-mentioned clutch all needs by external force, as manpower (riding), electromagnetic force etc. make clutch operating.
For some machinery for special occasions, conventional clutch cannot meet application requirement.As for there is the rescue robot of explosive gas atmosphere or unpiloted Mobile Equipment in coal mine, chemical plant etc., there is the shortcoming of three aspects in conventional clutch: one, this type of equipment own vol is less, the clutch of routine relative to this type of equipment then relatively large (as hydraulic couplers), should not be arranged on this type of equipment.Its two, this type of equipment, usually by remotely-controlled operation, for the clutch needing manually to go to perform clutch, then cannot realize (as friction clutch).They are three years old, if for the clutch action of clutch increases separately set of execution mechanism, or directly adopt electromagnetic clutch, for the equipment be used under explosive gas atmosphere, then need additionally to increase a set of blasting resistance structure, this can increase the complexity of design greatly.
Simultaneously, for the machinery of some Dual Drive, as the Dual Drive track unit of coalmine rescue robot, two drive system drives a crawler belt simultaneously, but respective exported top speed and Maximum Torque are all different, usually using drive system little for velocity ratio, as conventional drive system, (its output speed is large, moment of torsion is little), using drive system large for velocity ratio, as drive system for subsequent use, (its output speed is little, moment of torsion is large), at ordinary times, conventional drive system operating alone, and when needs overcome larger external resistance, drive system for subsequent use and conventional drive system work simultaneously.Realization for said process needs to have come by means of clutch, when conventional drive system oneself works, and clutch active part and secondary part dialysis, two drive systems are independent of each other; When two drive systems work together, clutch combines, the two co-operation.
Therefore, if the small-sized clutch of a design entirely mechanical, and do not rely on external force and only rely on the necessary operation (rotation as driving part self) of self just can realize being separated and combining, the unpiloted small-sized movable equipment that there is explosive gas atmosphere for the field such as colliery, chemical industry is had great importance.
Summary of the invention
Goal of the invention: in order to solve joint and the dialysis problem of the power of rescue robot or the unpiloted Mobile Equipment that there is explosive gas atmosphere in coal mine, chemical plant etc., the invention provides a kind of small-sized high-speed clutch open in usual.Disengaging and the combination of this clutch driving part and driven member do not rely on External Force Acting, only depend on the rotation of driving part self, under low speed rotation state, keep driving part and driven member disengaged position, under height rotation status, driving part engages with driven member.
To achieve these goals, present invention employs following technological scheme: a kind of small-sized high-speed clutch open in usual, comprise clutch driving part and clutch driven member, described clutch driving part comprises power input shaft, key, rotating disk, straight pin and extension spring, power input shaft is connected by key with center of turntable hole, rotating disk periphery is provided with cylinder pin hole, is provided with straight pin in cylinder pin hole, and straight pin is connected by extension spring with bottom cylinder pin hole; Described clutch driven member comprises left end cap, right end cap, socket head screw one and connecting sleeve, connecting sleeve is set on rotating disk, the groove matched with straight pin is provided with inside connecting sleeve, keyway is provided with outside connecting sleeve, left end cap is fixed on connecting sleeve one end by socket head screw, right end cap is fixed on the connecting sleeve the other end by socket head screw one, is equipped with tapered roller bearing between left end cap and power input shaft and between right end cap and power input shaft.
Further, described rotating disk comprises left-hand rotation disc and right-hand rotation disc, and left-hand rotation disc and right-hand rotation disc are fixed by socket head screw two, are provided with taper pin between left-hand rotation disc and right-hand rotation disc.
Further, described left-hand rotation disc and right-hand rotation disc end face are equipped with screw mounting hole, straight pin guide groove and circular cone pin-and-hole, penetrate socket head screw two in screw mounting hole, the straight pin guide groove composition cylinder pin hole of left-hand rotation disc and right-hand rotation disc, penetrates taper pin in circular cone pin-and-hole.
Further, described power input shaft end is provided with locking nut.
Further, rotating disk one side end face is provided with shaft block ring, and shaft block ring and power input shaft are fixed.
Beneficial effect: this small-sized high-speed clutch open in usual can not pass through external force, only rely on the rotation of power input shaft self just can realize the clutch of clutch, Principles and methods is simple, solves the joint for small type mobile devices power under particular surroundings and dialysis problem.
Accompanying drawing explanation
Fig. 1 is this small-sized high-speed clutch structural representation open in usual;
Fig. 2 is this small-sized high-speed clutch connecting sleeve cross-sectional view open in usual;
Fig. 3 is this small-sized high-speed clutch connecting sleeve side structure schematic diagram open in usual;
Fig. 4 is this small-sized high-speed clutch turntable structure schematic diagram open in usual;
Fig. 5 is this small-sized high-speed clutch left-hand rotation disc end-face structure schematic diagram open in usual;
Fig. 6 is this small-sized high-speed clutch left-hand rotation disc side structure schematic diagram open in usual.
In figure: 1-power input shaft, 2-tapered roller bearing, 3-left end cap, 4-socket head screw one, 5-connecting sleeve, 5-1-groove, 5-2-keyway, 6-rotating disk, 6-1-left-hand rotation disc, 6-2-right-hand rotation disc, 6-3-socket head screw two, 6-4-taper pin, 6-5-screw mounting hole, 6-6-straight pin guide groove, 6-7-circular cone pin-and-hole, 7-straight pin, 8-extension spring, 9-right end cap, 10-shaft block ring, 11-key, 12-locking nut.
Embodiment:
Below in conjunction with accompanying drawing the present invention done and further explain.
As shown in Figures 1 to 3, the small-sized high-speed clutch open in usual of the present invention comprises clutch driving part and clutch driven member.Described clutch driving part comprises power input shaft 1, key 11, rotating disk 6, straight pin 7 and extension spring 8, power input shaft 1 is connected by key 11 with rotating disk 6 center hole, rotating disk 6 one side end face is provided with shaft block ring 10, shaft block ring 10 is fixed with power input shaft 1, power input shaft 1 and rotating disk 6 axially locating is made by shaft block ring 10, rotating disk 6 periphery is provided with cylinder pin hole, is provided with straight pin 7 in cylinder pin hole, and straight pin 7 is connected by extension spring 8 with bottom cylinder pin hole.Described clutch driven member comprises left end cap 3, right end cap 9, socket head screw 1 and connecting sleeve 5, connecting sleeve 5 is set on rotating disk 6, the groove 5-1 matched with straight pin 7 is provided with inside connecting sleeve 5, keyway 5-2 is provided with outside connecting sleeve 5, keyway 5-2 is used for Driving Torque, left end cap 3 is fixed on connecting sleeve 5 one end by socket head screw 4, right end cap 9 is fixed on connecting sleeve 5 the other end by socket head screw 1, is equipped with tapered roller bearing 2 between left end cap 3 and power input shaft 1 and between right end cap 9 and power input shaft 1.Described power input shaft 1 end is provided with locking nut 12, makes clutch driving part axially relative fixing along power input shaft 1 with clutch driven member by locking nut 12.
As shown in Figs. 4-6, described rotating disk 6 comprises left-hand rotation disc 6-1 and right-hand rotation disc 6-2, described left-hand rotation disc 6-1 is identical with right-hand rotation disc 6-2 structure, left-hand rotation disc 6-1 and right-hand rotation disc 6-2 end face are equipped with screw mounting hole 6-5, straight pin guide groove 6-6 and circular cone pin-and-hole 6-7, socket head screw two 6-3 is penetrated in screw mounting hole 6-5, left-hand rotation disc 6-1 and right-hand rotation disc 6-2 is fixed by socket head screw two 6-3, the straight pin guide groove 6-6 of left-hand rotation disc 6-1 and right-hand rotation disc 6-2 forms cylinder pin hole, taper pin 6-4 is penetrated in circular cone pin-and-hole 6-7, by taper pin 6-4, the relative position between left-hand rotation disc 6-1 and right-hand rotation disc 6-2 is accurately located.
Working principle of the present invention: this clutch makes clutch realize combining mainly through the effect of centrifugal force, throw-out-of clutch is made by the effect of extension spring 8, during static the or low-speed running of power input shaft 1, straight pin 7 is placed in completely in cylinder pin hole under extension spring 8 acts on, clutch driven member can freely rotate, when power input shaft 1 running speed improves, straight pin 7 starts to break away from extension spring 8 under centrifugal action, until straight pin 7 one end is inserted in the groove 5-1 of connecting sleeve 5, clutch driving part and clutch driven member engage, thus band dynamic clutch driven member unitary rotation, play the effect of transmitting torque, after this, when power input shaft 1 running speed reduces, straight pin 7 resets under extension spring 8 acts on, until be placed in completely in cylinder pin hole, clutch driving part is separated with clutch driven member.
If power input shaft 1 rotating speed is ω, straight pin 7 quality is m, and straight pin 7 central rotation radius is R, extension spring 8 stiffness coefficient is k, and driving moment is T, and the friction factor between straight pin 7 and groove 7-1 is μ, extension spring 8 initial elongation amount is l, and straight pin 7 displacement distance is △ l.Usually except power input shaft 1 rotating speed is except ω, all the other parameters are just determined after clutch completes.
If the axis of power input shaft 1 sense of rotation is perpendicular to the ground, then parameter need meet following condition, and clutch just can be made to combine:
m·r·ω
2＞k·(Δl+l)
k·l＝m·g·μ
If the axis of power input shaft 1 sense of rotation is parallel to the ground, then parameter need meet following condition, and clutch just can be made to combine:
m·r·ω
2＞k·(Δl+l)+mg
k·l＝m·g
When power input shaft 1 stops operating, then clutch is thrown off voluntarily.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (5)
1. a small-sized high-speed clutch open in usual, comprise clutch driving part and clutch driven member, it is characterized in that: described clutch driving part comprises power input shaft (1), key (11), rotating disk (6), straight pin (7) and extension spring (8), power input shaft (1) is connected by key (11) with rotating disk (6) center hole, rotating disk (6) periphery is provided with cylinder pin hole, be provided with straight pin (7) in cylinder pin hole, straight pin (7) is connected by extension spring (8) with bottom cylinder pin hole, described clutch driven member comprises left end cap (3), right end cap (9), socket head screw one (4) and connecting sleeve (5), connecting sleeve (5) is set on rotating disk (6), connecting sleeve (5) inner side is provided with the groove (5-1) matched with straight pin (7), connecting sleeve (5) outside is provided with keyway (5-2), left end cap (3) is fixed on connecting sleeve (5) one end by socket head screw (4), right end cap (9) is fixed on connecting sleeve (5) the other end by socket head screw one (4), tapered roller bearing (2) is equipped with between left end cap (3) and power input shaft (1) and between right end cap (9) and power input shaft (1).
2. the small-sized high-speed clutch open in usual of one according to claim 1, it is characterized in that: described rotating disk (6) comprises left-hand rotation disc (6-1) and right-hand rotation disc (6-2), left-hand rotation disc (6-1) and right-hand rotation disc (6-2) are fixed by socket head screw two (6-3), are provided with taper pin (6-4) between left-hand rotation disc (6-1) and right-hand rotation disc (6-2).
3. the small-sized high-speed clutch open in usual of one according to claim 2, it is characterized in that: described left-hand rotation disc (6-1) and right-hand rotation disc (6-2) end face are equipped with screw mounting hole (6-5), straight pin guide groove (6-6) and circular cone pin-and-hole (6-7), socket head screw two (6-3) is penetrated in screw mounting hole (6-5), the straight pin guide groove (6-6) of left-hand rotation disc (6-1) and right-hand rotation disc (6-2) forms cylinder pin hole, penetrates taper pin (6-4) in circular cone pin-and-hole (6-7).
4. the small-sized high-speed clutch open in usual of one according to claim 1, is characterized in that: described power input shaft (1) end is provided with locking nut (12).
5. the small-sized high-speed clutch open in usual of one according to claim 1, is characterized in that: rotating disk (6) side end face is provided with shaft block ring (10), and shaft block ring (10) is fixed with power input shaft (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510628216.7A CN105156506B (en) | 2015-09-28 | 2015-09-28 | A kind of small-sized high-speed clutch open in usual |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510628216.7A CN105156506B (en) | 2015-09-28 | 2015-09-28 | A kind of small-sized high-speed clutch open in usual |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105156506A true CN105156506A (en) | 2015-12-16 |
| CN105156506B CN105156506B (en) | 2018-03-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510628216.7A Active CN105156506B (en) | 2015-09-28 | 2015-09-28 | A kind of small-sized high-speed clutch open in usual |
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| Country | Link |
|---|---|
| CN (1) | CN105156506B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105545981A (en) * | 2016-01-05 | 2016-05-04 | 北京汽车股份有限公司 | Engagement and disengagement bearing and automobile |
| CN107061546A (en) * | 2017-02-24 | 2017-08-18 | 中山桂谷智能科技有限公司 | A kind of centrifugal clutch |
| CN107676446A (en) * | 2017-10-24 | 2018-02-09 | 常熟市邦知光电科技有限公司 | A kind of two grades of high-speed belt transmission mechanisms |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB623101A (en) * | 1946-01-09 | 1949-05-12 | British Thomson Houston Co Ltd | Improvements in and relating to driving mechanisms |
| CN2097314U (en) * | 1990-09-19 | 1992-02-26 | 李明长 | Oil saw clutch for sawing wood |
| US6247570B1 (en) * | 1999-10-14 | 2001-06-19 | Hugh A. Zindler | Fail-safe adjustable centrifugal clutch |
| CN2623944Y (en) * | 2003-05-16 | 2004-07-07 | 王绍东 | High discharge capacity motorcycle clutch |
| CN1598347A (en) * | 2004-09-09 | 2005-03-23 | 湘潭大学 | Heavy loaded centrifugal friction clutch |
| CN2916248Y (en) * | 2006-07-13 | 2007-06-27 | 新乡市矿益煤机有限公司 | Adjustable moment-limit centrifugal clutch |
| US20120298465A1 (en) * | 2011-05-23 | 2012-11-29 | The Hilliard Corporation | Centrifugal Clutch With Heat Mitigating Spring Arrangement |
| CN103225657A (en) * | 2013-04-09 | 2013-07-31 | 苏州瑞佳新能源动力科技有限公司 | Automatic dry-type centrifugal roller torque force clutch |
-
2015
- 2015-09-28 CN CN201510628216.7A patent/CN105156506B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB623101A (en) * | 1946-01-09 | 1949-05-12 | British Thomson Houston Co Ltd | Improvements in and relating to driving mechanisms |
| CN2097314U (en) * | 1990-09-19 | 1992-02-26 | 李明长 | Oil saw clutch for sawing wood |
| US6247570B1 (en) * | 1999-10-14 | 2001-06-19 | Hugh A. Zindler | Fail-safe adjustable centrifugal clutch |
| CN2623944Y (en) * | 2003-05-16 | 2004-07-07 | 王绍东 | High discharge capacity motorcycle clutch |
| CN1598347A (en) * | 2004-09-09 | 2005-03-23 | 湘潭大学 | Heavy loaded centrifugal friction clutch |
| CN2916248Y (en) * | 2006-07-13 | 2007-06-27 | 新乡市矿益煤机有限公司 | Adjustable moment-limit centrifugal clutch |
| US20120298465A1 (en) * | 2011-05-23 | 2012-11-29 | The Hilliard Corporation | Centrifugal Clutch With Heat Mitigating Spring Arrangement |
| CN103225657A (en) * | 2013-04-09 | 2013-07-31 | 苏州瑞佳新能源动力科技有限公司 | Automatic dry-type centrifugal roller torque force clutch |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105545981A (en) * | 2016-01-05 | 2016-05-04 | 北京汽车股份有限公司 | Engagement and disengagement bearing and automobile |
| CN105545981B (en) * | 2016-01-05 | 2019-03-01 | 北京汽车股份有限公司 | A kind of Engaging-and-disengaging bearing and automobile |
| CN107061546A (en) * | 2017-02-24 | 2017-08-18 | 中山桂谷智能科技有限公司 | A kind of centrifugal clutch |
| CN107061546B (en) * | 2017-02-24 | 2019-08-16 | 中山方才智能科技有限公司 | A kind of centrifugal clutch |
| CN107676446A (en) * | 2017-10-24 | 2018-02-09 | 常熟市邦知光电科技有限公司 | A kind of two grades of high-speed belt transmission mechanisms |
| CN107676446B (en) * | 2017-10-24 | 2020-08-04 | 台州辉腾泵业有限公司 | Two-gear high-speed belt transmission mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105156506B (en) | 2018-03-06 |
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