CN205401511U - Speed limit wheeling unit - Google Patents
Speed limit wheeling unit Download PDFInfo
- Publication number
- CN205401511U CN205401511U CN201620135555.1U CN201620135555U CN205401511U CN 205401511 U CN205401511 U CN 205401511U CN 201620135555 U CN201620135555 U CN 201620135555U CN 205401511 U CN205401511 U CN 205401511U
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- CN
- China
- Prior art keywords
- speed
- axle sleeve
- nut
- connecting rod
- friction
- 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.)
- Expired - Fee Related
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- 230000001737 promoting effect Effects 0.000 claims description 2
- 238000000926 separation method Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Landscapes
- One-Way And Automatic Clutches, And Combinations Of Different Clutches (AREA)
Abstract
The utility model discloses a speed limit wheeling unit, its technical scheme main points are, including vice, the aggregate unit of shell body, device to limit speed, screw -nut, device to limit speed includes interior casing, axle sleeve, is the clearance between axle sleeve and the casing and sets up, be equipped with between casing and the axle sleeve to be used for limiting casing pivoted friction unit, friction unit including be the annular connecting rod of circle, fix connecting rod one end fly piece, fixed elastic component to the connecting rod other end, elastic component elastic connection flies to be equipped with on the piece friction disc of conflicting on shells inner wall to the axle sleeve on. The nut rotation in a circumferential direction drives the axial of the screw rod and removes, removes and then promote external friction plate about the screw rod promotes to compress tightly set to making external friction plate compress tightly towards the inner friction piece, driving device to limit speed through the friction disc and rotate, more and more faster when the rotation rate of device to limit speed's interior casing, it is increasing to fly the centrifugal force that the piece received, and the device to limit speed separation and reunion that flies after the piece improves is rapid, does not receive heavy casing to influence safe and reliable.
Description
Technical field
This utility model relates to shipborne equipment technical field, more specifically, it relates to a kind of speed limiting clutch device.
Background technology
Clutch is a vitals in machine driving.Friction clutch, because its impact shock is little, is used widely rapidly in conjunction with separating in mechanical field.But existing centrifugal friction clutch adopts the frictional disk of plane contact, and transmission moment of torsion is less, it is difficult to realize transmitting large torque.And seldom can realize speed limiting function in clutch, and effect neither be highly desirable, is particularly applied on lifeboat revolution suspension bracket.
At present, the Chinese patent that publication number is CN204477121U discloses a kind of lifeboat revolution suspension bracket speed limiting clutch device, it includes baffle plate, packing ring, cylindrical pin with internal thread, intermediate friction sheet, ring gear, gear, baffle ring, clamping sleeve, lining, adjustment ring, cover plate, nut, holding screw, screw rod, weight, lubricating cup, screw, right oil sealing, end cap, sunk screw, hole back-up ring, angular contact bearing, right friction plate, left friction plate, keyway, spring shim, hexagon socket cap head screw, left oil sealing, shaft block ring, spring catch, axle sleeve, housing, straight pin, speed limit block, friction plate and speed limit spring, explanation with reference to accompanying drawing 2, this speed-limiting device is the most common centrifugal speed limiter, this centrifugal speed limiter is comparatively heavy, reaction is slow, speed limit weak effect.
Utility model content
The purpose of this utility model is to provide the speed limiting clutch device that a kind of clutch is rapid, safe and reliable.
Above-mentioned technical purpose of the present utility model has the technical scheme that
A kind of speed limiting clutch device, including shell body, it is positioned at the speed-limiting device of shell body, feed screw nut pair, linkage between stopping means and feed screw nut pair, described feed screw nut pair axially promotes linkage conflict to connect speed-limiting device, described speed-limiting device includes that driven and disc-shaped inner housing by linkage, it is positioned at the axle sleeve that inner housing is sheathed with on motor output shaft, arrange in gap between axle sleeve and housing, the friction element for limiting housing into rotation it is provided with between described housing and axle sleeve, described friction element includes in circular connecting rod, what be fixed on connecting rod one end flies block, it is fixed to the elastic component of the connecting rod other end, elastic component is elastically connected on axle sleeve, fly block and be provided with the friction plate contacting in inner walls.
Arranging further: described linkage includes ring gear, at the first gear of ring gear, the inner attrition piece between ring gear and the first gear and outside friction disc, described inner housing is provided with the second gear coordinated with the first gear-linked.
Arrange further: be connected clamping sleeve between described outside friction disc and screw mandrel, between clamping sleeve and screw mandrel, be provided with bearing.
Arrange further: the nut of described feed screw nut pair is connected to drive rod.
Arrange further: the connecting rod in described friction element is provided with at least two group elastic components.
Arrange further: described friction element circle distribution between axle sleeve and housing has at least two.
Arrange further: described elastic component is extension spring.
In sum, this utility model has the advantages that nut rotates in a circumferential direction and drives screw rod to move axially, screw rod promotes clamping sleeve move left and right and then promote outside friction disc, so that outside friction disc compresses towards inner attrition piece, linkage the first gear, the second gear and internal gear is driven to rotate in the lump by friction plate, and then drive speed-limiting device to rotate, when the rotary speed of the inner housing of speed-limiting device is more and more faster, fly the centrifugal force that block is subject to increasing, fly the speed-limiting device clutch after block improves rapid, do not affected by heavy housing, safe and reliable.
Accompanying drawing explanation
Fig. 1 is the overall structure figure of speed limiting clutch device；
Fig. 2 is the speed-limiting device schematic diagram of speed limiting clutch device；
Fig. 3 is the Section A-A figure of Fig. 1；
Fig. 4 is the B direction view of Fig. 1.
In figure: 1, shell body；2, keyway；3, inner housing；4, axle sleeve；5, ring gear；6, connecting rod；7, elastic component；8, outside friction disc；9, inner attrition piece；10, block is flown；11, friction plate；12, bearing；13, clamping sleeve；14, cover plate；15, nut；16, screw mandrel；17, drive rod；18, the second gear；19, the first gear；.
Detailed description of the invention
Below in conjunction with Fig. 1 to Fig. 4, speed limiting clutch device is described further.Wherein, identical parts are presented with like reference characters.It should be noted that, word "front", "rear" used herein, "left", "right", "up" and "down" " interior " and " outward " " first " " second " are intended merely to facilitate the reference azimuth that statement adopts, suggestion is with reference to the direction in accompanying drawing, and word " interior " and " outward " refer respectively to the direction towards or away from particular elements geometric center.
Embodiment 1: a kind of speed limiting clutch device, as shown in Figure 1,, linkage stopping means and screw mandrel 16 nut 15 pair between secondary including shell body 1, speed-limiting device in shell body 1, screw mandrel 16 nut 15, screw mandrel 16 nut 15 countershaft is to promoting linkage conflict to connect speed-limiting device, and one end of housing is provided with end cap.
As shown in Figure 4, screw mandrel 16 nut 15 pair includes being rotationally connected to end cap top nut 15, the screw mandrel 16 that is sheathed with in nut 15, and nut 15 is connected to drive rod 17, and drive rod 17 is positioned at the outside of end cap.
As shown in Figure 1, linkage includes ring gear 5, it is positioned at the first gear 19 of ring gear 5, inner attrition piece 9 between ring gear 5 and the first gear 19 and outside friction disc 8, inner housing 3 is provided with the second gear 18 being linked with the first gear 19, clamping sleeve 13 it is connected between outside friction disc 8 with screw mandrel 16, drive rod 17 nut 15 that links rotates in a circumferential direction motion, screw mandrel 16 is driven to do axis linearity motion, bearing 12 it is provided with between clamping sleeve 13 and screw mandrel 16, clamping sleeve 13 does axis linearity motion along with the rotation of screw rod, inner attrition piece 9 and outside friction disc 8 is compressed by clamping sleeve 13.
As shown in Figure 3, speed-limiting device includes that driven and disc-shaped inner housing 3 by linkage, it is positioned at the axle sleeve 4 that inner housing 3 is sheathed with on motor output shaft, arrange in gap between axle sleeve 4 and housing, the friction element for limiting housing into rotation it is provided with between housing and axle sleeve 4, friction element includes in circular connecting rod 6, what be fixed on connecting rod 6 one end flies block 10, it is fixed to the elastic component 7 of connecting rod 6 other end, elastic component 7 is extension spring, the circular center of circle of connecting rod 6 is arranged with the circular coaxial of housing, elastic component 7 is elastically connected on axle sleeve 4, fly block 10 and be provided with the friction plate 11 contacted in inner walls, connecting rod 6 in friction element is provided with two groups of elastic components 7, two elastic components 7 are extension spring, preliminary examination state is contraction state, connecting rod 6 is contracted near axle sleeve 4 side.
Friction element circle distribution between axle sleeve 4 and housing has two, single friction element is relatively low to the frictional force of housing, frictional force can be caused inadequate, the unconspicuous situation of reduction of speed, arrange two groups, guarantee the enough frictional force of offer on the one hand for reduction of speed, on the other hand, because possessing two groups, even if during one group of damage wherein, still it is provided that friction eceleration, improves safety in utilization.
In order to facilitate the replacing of parts, connecting rod 6 removably connects with flying block 10, flies block 10 and removably connects with friction plate 11, it is simple to even if friction plate 11 is replaced, also allows for maintenance simultaneously.
Pass through technique scheme, drive rod 17 rotates and drives nut 15 to rotate, nut 15 rotates in a circumferential direction and drives screw rod to move axially, screw rod promotes clamping sleeve 13 to move left and right and then promote outside friction disc 8, so that outside friction disc 8 compresses towards inner attrition piece 9, linkage the first gear 19 is driven by friction plate 11, second gear 18 and internal gear rotate in the lump, and then drive speed-limiting device to rotate, when the rotary speed of the inner housing 3 of speed-limiting device is more and more faster, fly the centrifugal force that block 10 is subject to increasing, fly the speed-limiting device clutch after block 10 improves rapid, do not affected by heavy housing, safe and reliable.
The above is only preferred implementation of the present utility model, and protection domain of the present utility model is not limited merely to above-described embodiment, and all technical schemes belonged under this utility model thinking belong to protection domain of the present utility model.It should be pointed out that, for those skilled in the art, without departing from the some improvements and modifications under this utility model principle premise, these improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (7)
- null1. a speed limiting clutch device，Including shell body (1)、It is positioned at the speed-limiting device of shell body (1)、Screw mandrel (16) nut (15) is secondary、It is positioned at the linkage between stopping means and screw mandrel (16) nut (15) pair，Described screw mandrel (16) nut (15) countershaft is to promoting linkage conflict connection speed-limiting device，It is characterized in that: described speed-limiting device includes that driven and disc-shaped inner housing (3) by linkage、It is positioned at the axle sleeve (4) that inner housing (3) is sheathed with on motor output shaft，Arrange in gap between axle sleeve (4) and housing，The friction element for limiting housing into rotation it is provided with between described housing and axle sleeve (4)，Described friction element includes in circular connecting rod (6)、What be fixed on connecting rod (6) one end flies block (10)、It is fixed to the elastic component (7) of connecting rod (6) other end，Elastic component (7) is elastically connected on axle sleeve (4)，Fly block (10) and be provided with the friction plate (11) contacting in inner walls.
- 2. speed limiting clutch device according to claim 1, it is characterized in that: described linkage includes ring gear (5), be positioned at first gear (19) of ring gear (5), the inner attrition piece (9) that is positioned between ring gear (5) and the first gear (19) and outside friction disc (8), and described inner housing (3) is provided with the second gear (18) being linked with the first gear (19).
- 3. speed limiting clutch device according to claim 2, it is characterised in that: it is connected clamping sleeve (13) between described outside friction disc (8) with screw mandrel (16), between clamping sleeve (13) and screw mandrel (16), is provided with bearing (12).
- 4. speed limiting clutch device according to claim 1, it is characterised in that: the nut (15) of described screw mandrel (16) nut (15) pair is connected to drive rod (17).
- 5. speed limiting clutch device according to claim 1, it is characterised in that: the connecting rod (6) in described friction element is provided with at least two group elastic components (7).
- 6. speed limiting clutch device according to claim 1, it is characterised in that: described friction element is positioned between axle sleeve (4) and housing circle distribution and has at least two.
- 7. speed limiting clutch device according to claim 1, it is characterised in that: described elastic component (7) is extension spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620135555.1U CN205401511U (en) | 2016-02-23 | 2016-02-23 | Speed limit wheeling unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620135555.1U CN205401511U (en) | 2016-02-23 | 2016-02-23 | Speed limit wheeling unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205401511U true CN205401511U (en) | 2016-07-27 |
Family
ID=56446663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620135555.1U Expired - Fee Related CN205401511U (en) | 2016-02-23 | 2016-02-23 | Speed limit wheeling unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205401511U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3628445A1 (en) * | 2018-09-30 | 2020-04-01 | Shanghai Anzi Industrial Co., Ltd | Flexible friction driving device |
| CN111776906A (en) * | 2020-06-11 | 2020-10-16 | 上海市建筑科学研究院科技发展有限公司 | Method and device for adjusting action speed of self-resetting progressive overspeed protector |
-
2016
- 2016-02-23 CN CN201620135555.1U patent/CN205401511U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3628445A1 (en) * | 2018-09-30 | 2020-04-01 | Shanghai Anzi Industrial Co., Ltd | Flexible friction driving device |
| US11110509B2 (en) * | 2018-09-30 | 2021-09-07 | Shanghai Anzi Industrial Co., Ltd. | Flexible friction driving device |
| CN111776906A (en) * | 2020-06-11 | 2020-10-16 | 上海市建筑科学研究院科技发展有限公司 | Method and device for adjusting action speed of self-resetting progressive overspeed protector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160727 |