CN211423214U - Overrunning clutch and clutch device suitable for self-propelled bearing - Google Patents
Overrunning clutch and clutch device suitable for self-propelled bearing Download PDFInfo
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- CN211423214U CN211423214U CN201922427581.8U CN201922427581U CN211423214U CN 211423214 U CN211423214 U CN 211423214U CN 201922427581 U CN201922427581 U CN 201922427581U CN 211423214 U CN211423214 U CN 211423214U
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- outer ring
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Abstract
The application discloses freewheel clutch and clutch suitable for self-propelled bear horse. Freewheel clutch includes the outer loop, the star gear, the pusher dog, a plurality of first rollers and a plurality of second roller, the star gear is located to the outer loop rotationally the cover, a plurality of symmetrical wedge grooves that are used for placing first roller and second roller are seted up to the lateral surface of star gear, first roller and second roller are used for the outer loop forward rotation respectively with the relative position of fixed outer loop and star gear when the antiport, be equipped with shifting block and a plurality of fixture block on the pusher dog, the shifting block is located between first roller and the second roller, when the shifting block supports on first roller or second roller, with the relative position of fixed star gear and outer loop. The overrunning clutch and the clutch device provided by the utility model can realize that the clutch device can bidirectionally transmit torque when the self-propelled bearing horse is not pushed; when the bearing support is pushed, the clutch device can be opened immediately; when the pushed self-propelled bearing horse runs in a reverse direction, the clutch device can be automatically engaged immediately.
Description
Technical Field
The utility model relates to a jack-up transportation equipment field especially relates to an freewheel clutch and clutch suitable for self-propelled bear horse.
Background
The support saddle is a special part of the cable crane, is uniformly distributed and suspended on the bearing cable and is used for supporting the working rope and avoiding the influence on the normal work of the cable crane due to overlarge sag. The cable crane has a large variety of supports, which are generally classified into a movable type and a fixed type. The self-propelled support belongs to the moving type, is suspended on a main rope by virtue of a travelling wheel, takes the main rope as a travelling track, is driven by friction of a traction rope, transmits power to the travelling wheel through belt, chain, tooth transmission or hybrid transmission, and determines the travelling speed according to the transmission ratio. The self-propelled bearing horses are sequentially arranged on two sides of the trolley according to the transmission ratio and are respectively and uniformly distributed on the two sides during operation.
The self-propelled horse carrier is driven by friction of a traction rope, and an up-and-down slope working condition exists during walking, so that the phenomenon of skidding caused by various factors (such as friction coefficient change, spring tightness, maintenance and the like caused by weather, lubrication, abrasion and the like) is difficult to avoid, the distribution of the horse carrier is uneven, and the phenomenon that the self-propelled horse carrier is pushed when a trolley drives back to tower heads on two sides is caused. If no clutch device is used for disconnecting power transmission between the traction rope friction wheel and the walking wheel, the pushed self-propelled bearing horse can roll and slide at the same time, and damage is caused to the walking wheel, the traction rope friction wheel, the main rope and the traction rope.
The existing self-propelled bearing horse usually adopts a friction clutch, in order to obtain enough torque, the friction clutch structure refers to a disc dry type double-acting clutch commonly used by agricultural machinery, the structure is more complex, the manufacturing is non-standard, the manufacturing is difficult and the cost is higher, the size and the dead weight are also larger, and the self-propelled bearing horse is not beneficial to simplifying the self-propelled bearing horse structure and reducing the self-propelled bearing horse dead weight. Furthermore, friction clutches have the following disadvantages: when the pushed bearing horse runs in reverse direction (usually in a downhill, the clutch is opened), the clutch device cannot be automatically engaged in time, so that the friction force between the traction rope and the friction wheel of the bearing horse cannot be timely converted into a drag force for preventing the bearing horse from sliding downwards, the pushed self-propelled bearing horse easily slides downwards along with the self-propelled bearing horse or the trolley in front, the clutch device needs to be engaged again depending on the acceleration effect of the trolley, and the engaging process is not easy to control.
SUMMERY OF THE UTILITY MODEL
The utility model provides an overrunning clutch and clutch device suitable for self-propelled horse-bearing, which are reasonable in design and simple in structure, and can realize bidirectional torque transmission of the clutch device when the self-propelled horse-bearing is not pushed; when the bearing support is pushed, the clutch device can be opened immediately; when the pushed self-propelled bearing horse rotates to walk reversely, the clutch device can be automatically engaged immediately.
The utility model adopts the following technical scheme: the utility model provides an overrunning clutch suitable for a self-propelled horse bearing, which comprises an outer ring, a star wheel, a pusher dog, a plurality of first rollers and a plurality of second rollers, the outer ring is rotatably sleeved on the star wheel, a plurality of symmetrical wedge-shaped grooves are axially arranged on the outer side surface of the star wheel, a first roller and a second roller are arranged in each symmetrical wedge-shaped groove, the first roller and the second roller are respectively used for fixing the relative positions of the outer ring and the star wheel when the outer ring rotates forwards and backwards, the pusher dog is provided with a clamping block and a plurality of pusher blocks which are connected with each other, the pusher blocks extend into the symmetrical wedge-shaped grooves, and is positioned between the first roller and the second roller, when the shifting block is abutted against the first roller or the second roller, the star wheel is fixed to the relative position of the shifting claw, and the clamping block is used for limiting the rotation of the shifting claw and the star wheel.
In an embodiment of the present invention, the middle portion of the symmetrical wedge-shaped groove is provided with a limiting protrusion, so that the symmetrical wedge-shaped groove is a structure with two wide ends and a narrow middle portion, and the first roller or the second roller moves to the limiting protrusion, the outer ring and the star wheel are clamped.
In an embodiment of the present invention, the overrunning clutch adapted for the self-propelled horse-bearing further includes an elastic limiting member, the elastic limiting member has an elastic deformation capability, the elastic limiting member is connected to the star wheel and the pusher dog to limit the relative position between the star wheel and the pusher dog.
In an embodiment of the present invention, the elastic limiting member is a spring assembly.
In an embodiment of the present invention, a rolling bearing is further disposed between the outer ring and the star wheel.
The utility model also provides a clutch suitable for self-propelled bears horse, including foretell freewheel clutch, the self-propelled bears horse and is equipped with the dog, rotates freewheel clutch, the fixture block of pusher dog supports on the dog, with the restriction pusher dog and star gear continue to rotate.
In an embodiment of the present invention, the number of the overrunning clutches is two, the number of the stoppers is one, the two overrunning clutches are oppositely disposed, and the blocking directions of the two overrunning clutches are the same.
In an embodiment of the present invention, the clutch device adapted to the self-propelled horse-bearing further includes a rotating shaft and a transmission member, the rotating shaft is inserted into the star wheel for transmitting or driving the motion of the star wheel, the transmission member is disposed on the outer ring for transmitting or driving the motion of the outer ring.
In an embodiment of the present invention, the transmission member is a gear or a sprocket.
The utility model has the advantages that: the utility model provides an overrun clutch and clutch suitable for self-propelled bear horse compares in friction clutch, overrun clutch's simple structure, and size, dead weight are also smaller, are favorable to simplifying self-propelled bear horse structure and alleviate self-propelled bear horse dead weight. In the self-propelled horse bearing normal walking process, the clamping block of the pusher dog is not blocked, and the pusher dog of the pusher dog is positioned between the first roller and the second roller, so that the movement of the first roller and the second roller is not limited. When the outer ring rotates clockwise, the first roller can clamp the outer ring and the star wheel to further drive the star wheel to rotate together, and when the outer ring rotates anticlockwise, the second roller can clamp the outer ring and the star wheel to further drive the star wheel and the pusher dog to rotate together, so that the aim of bidirectionally transmitting torque is fulfilled; when the self-propelled bearing support is pushed, the outer ring rotates clockwise as an example, the clamping block is blocked by the stop block of the self-propelled bearing support, the shifting claw stops moving, so that the shifting block forcibly shifts the first roller away, the star wheel is separated from the outer ring, the star wheel stops moving, and the outer ring can continue moving, so that the purpose of automatic disconnection of the clutch is realized; when the pushed self-propelled bearing horse runs reversely, the outer ring rotates reversely, namely the outer ring rotates anticlockwise, the second roller can clamp the outer ring and the star wheel to drive the star wheel and the pusher dog to rotate together, and the purpose of automatic engagement of the clutch device is achieved.
Drawings
FIG. 1 is a schematic view of a first cross-sectional configuration of a clutch according to the present invention;
FIG. 2 is a schematic diagram of a second cross-sectional configuration of the clutch of the present invention;
fig. 3 is a schematic structural diagram of the clutch device of the present invention.
The figures are numbered: 1. an overrunning clutch; 2. a stopper; 3. a rotating shaft; 4. a transmission member; 11. an outer ring; 12. a star wheel; 13. a pusher dog; 14. a first roller; 15. a second roller; 16. an elastic limiting part; 17. a rolling bearing; 121. symmetrical wedge-shaped grooves; 122. a limiting bulge; 131. a clamping block; 132. and (5) shifting blocks.
Detailed Description
The present invention will now be described more fully hereinafter with reference to the accompanying drawings, in which embodiments of the invention are shown.
Referring to fig. 1-2, the present invention provides an overrunning clutch 1 suitable for a self-propelled horse, including an outer ring 11, a star wheel 12, a pusher dog 13, a plurality of first rollers 14 and a plurality of second rollers 15, wherein the outer ring 11 is rotatably sleeved on the star wheel 12, a plurality of symmetrical wedge grooves 121 are axially formed on an outer side surface of the star wheel 12, a first roller 14 and a second roller 15 are respectively disposed in each symmetrical wedge groove 121, the first roller 14 and the second roller 15 are respectively used for fixing the outer ring 11 and the star wheel 12 when the outer ring 11 rotates forward and backward, the pusher dog 13 is provided with a clamping block 131 and a plurality of pusher blocks 132 connected with each other, the pusher blocks 132 extend into the symmetrical wedge grooves 121 and are located between the first roller 14 and the second roller 15, when the clamping block 132 abuts against the first roller 14 or the second roller 15, the relative position between the pusher dog 12 and the pusher dog 13 is fixed, the dog 131 serves to limit the rotation of the finger 13 and the star wheel 12. Compared with a friction clutch, the overrunning clutch 1 is simple in structure, small in size and dead weight, and beneficial to simplifying the self-propelled bearing structure and reducing the self-propelled bearing dead weight. During the normal walking process when the self-propelled horse bearing is not pushed, the block 131 of the pusher dog 13 is not blocked, and the pusher dog 132 of the pusher dog 13 is positioned between the first roller 14 and the second roller 15, so that the movement of the first roller 14 and the second roller 15 is not limited. When the outer ring 11 rotates clockwise, the first roller 14 can clamp the outer ring 11 and the star wheel 12 to further drive the star wheel 12 to rotate together, and when the outer ring 11 rotates counterclockwise, the second roller 15 can clamp the outer ring 11 and the star wheel 12 to further drive the star wheel 12 and the pusher dog 13 to rotate together, so that the purpose of bidirectional torque transmission is achieved; when the self-propelled bearing carrier is pushed, taking the clockwise rotation of the outer ring 11 as an example, the clamping block 131 is blocked by the self-propelled bearing carrier stop block 2, and the pusher dog 13 stops moving, so that the pusher block 132 forcibly pulls the first roller 14 open, the star wheel 12 is separated from the outer ring 11, the star wheel 12 stops moving, and the outer ring 11 can continue moving, thereby realizing the purpose of automatic disconnection of the clutch; when the pushed self-propelled bearing horse runs reversely, the outer ring 11 rotates reversely, namely the outer ring 11 rotates anticlockwise, the second roller 15 can clamp the outer ring 11 and the star wheel 12 to drive the star wheel 12 and the pusher dog 13 to rotate together, and the purpose of automatic engagement of the clutch device is achieved. Clockwise and counter clockwise in the present application are according to what is shown in fig. 2.
The middle part of the symmetrical wedge-shaped groove 121 is provided with a limiting protrusion 122, so that the symmetrical wedge-shaped groove 121 is in a structure with two wide ends and a narrow middle part, and when the first roller 14 or the second roller 15 moves to the limiting protrusion 122, the outer ring 11 and the star wheel 12 are clamped.
The overrunning clutch 1 further comprises an elastic limiting piece 16, the elastic limiting piece 16 has elastic deformation capacity, and the elastic limiting piece 16 is connected with the star wheel 12 and the pusher 13 to limit the relative position of the star wheel 12 and the pusher 13. When the self-propelled bearing support is pushed and travels reversely, the elastic limiting piece 16 can drive the shifting claw 13 to reset so as to control the distance between the first roller 14 and the second ball. Furthermore, the elastic stop 16 is provided to keep the fingers 13 and the star wheel 12 in a free state in a relatively fixed position, so that the first rollers 14 or the second rollers 15 can always grip the outer ring 11 and the star wheel 12, whichever direction they rotate.
The elastic limiting piece 16 is a spring assembly, so that the elastic deformation range is large and the structure is reliable.
Between the outer ring 11 and the star wheel 12 there is also a rolling bearing 17. The rolling bearing 17 can convert sliding friction between the outer ring 11 and the star wheel 12 into rolling friction, thereby reducing transmission resistance and friction loss.
Referring to fig. 1-3, the present invention further provides a clutch device suitable for a self-propelled horse-carrying device, including the above-mentioned overrunning clutch 1, the self-propelled horse-carrying device is provided with a stop block 2, the overrunning clutch 1 is rotated, and the pusher dog 13 abuts against the stop block 2 to limit the pusher dog 13 and the star wheel 12 to continue rotating. Adopt freewheel clutch 1 structure among the self-propelled clutch who holds the horse, compare in the structure that adopts friction clutch, size, dead weight are also less, are favorable to simplifying self-propelled horse-holding structure and alleviate self-propelled horse-holding dead weight. During the normal walking process when the self-propelled horse bearing is not pushed, the block 131 of the pusher dog 13 is not blocked, and the pusher dog 132 of the pusher dog 13 is positioned between the first roller 14 and the second roller 15, so that the movement of the first roller 14 and the second roller 15 is not limited. When the outer ring 11 rotates clockwise, the first roller 14 can clamp the outer ring 11 and the star wheel 12 to further drive the star wheel 12 to rotate together, and when the outer ring 11 rotates counterclockwise, the second roller 15 can clamp the outer ring 11 and the star wheel 12 to further drive the star wheel 12 and the pusher dog 13 to rotate together, so that the purpose of bidirectional torque transmission is achieved; when the self-propelled bearing carrier is pushed, taking the clockwise rotation of the outer ring 11 as an example, the clamping block 131 is blocked by the self-propelled bearing carrier stop block 2, and the pusher dog 13 stops moving, so that the pusher block 132 forcibly pulls the first roller 14 open, the star wheel 12 is separated from the outer ring 11, the star wheel 12 stops moving, and the outer ring 11 can continue moving, thereby realizing the purpose of automatic disconnection of the clutch; when the pushed self-propelled bearing horse runs reversely, the outer ring 11 rotates reversely, namely the outer ring 11 rotates anticlockwise, the second roller 15 can clamp the outer ring 11 and the star wheel 12 to drive the star wheel 12 and the pusher dog 13 to rotate together, and the purpose of automatic engagement of the clutch device is achieved.
The number of the overrunning clutches 1 is two, the number of the stop blocks 2 is one, the two overrunning clutches 1 are oppositely arranged, and the blocking directions of the two overrunning clutches 1 are the same, so that the two overrunning clutches are blocked by the same stop block 2.
The clutch device further comprises a rotating shaft 3 and a transmission piece 4, the rotating shaft 3 is inserted into the star wheel 12 and used for transmitting or driving the star wheel 12 to move, and the transmission piece 4 is arranged on the outer ring 11 and used for transmitting or driving the outer ring 11 to move. The rotating shaft 3 can be mounted on the frame of the self-propelled horse-bearing through a rolling bearing 17 and a bearing seat structure.
The transmission member 4 is a gear or a sprocket. When the transmission part 4 is a gear, the transmission can be realized through the gears which are meshed with each other; when the transmission part 4 is a chain wheel or a belt wheel, the transmission part can be connected through a chain or a triangular belt in a transmission way, and the transmission structure is simple and reliable.
The clutch device is simple in structure, small in size and light in weight, enables the self-propelled bearing horse to be more compact and reasonable in overall structure, reduces the self-weight of the bearing horse, is beneficial to prolonging the service life of a main rope and a traction rope, and is large in torque transmission capacity of the overrunning clutch 1, reliable in work and easy in standardized production.
The self-propelled horse-bearing general transmission ratio of different positions in the cableway system of the cable crane has the positive negative (equivalent to a speed increaser and a speed reducer), so the torque variation of a driving end (a traction rope friction wheel) or a driven end (a walking wheel) is large, and the clutch device can only be arranged at a fixed position for bearing the horse structure uniformly. The intermediate position of the two-stage transmission system enables maximum utilization of the torque transfer capacity of the clutch. The self-propelled horse-bearing clutch device is installed in the middle of a transmission system, and a walking wheel and a traction rope friction wheel are respectively connected through a gear, a chain or a triangular belt.
The above only is the preferred embodiment of the present invention, not therefore the limit the patent protection scope of the present invention, all applications the equivalent structure transformation made by the contents of the specification and the drawings of the present invention is directly or indirectly applied to other related technical fields, and all the same principles are included in the protection scope of the present invention.
Claims (9)
1. An overrunning clutch suitable for a self-propelled horse bearing is characterized by comprising an outer ring, a star wheel, a pusher dog, a plurality of first rollers and a plurality of second rollers, the outer ring is rotatably sleeved on the star wheel, a plurality of symmetrical wedge-shaped grooves are axially arranged on the outer side surface of the star wheel, a first roller and a second roller are arranged in each symmetrical wedge-shaped groove, the first roller and the second roller are respectively used for fixing the relative positions of the outer ring and the star wheel when the outer ring rotates forwards and backwards, the pusher dog is provided with a clamping block and a plurality of pusher blocks which are connected with each other, the pusher blocks extend into the symmetrical wedge-shaped grooves, and is positioned between the first roller and the second roller, when the shifting block is abutted against the first roller or the second roller, the star wheel and the outer ring are fixed in relative positions, and the clamping block is used for limiting the rotation of the shifting claw and the star wheel.
2. The overrunning clutch suitable for the self-propelled horse bearing of claim 1, wherein the middle portion of the symmetrical wedge-shaped groove is provided with a limiting protrusion, so that the symmetrical wedge-shaped groove has a structure with two wide ends and a narrow middle portion, and the first roller or the second roller clamps the outer ring and the star wheel when moving to the limiting protrusion.
3. The overrunning clutch according to claim 1, further comprising an elastic limiting member, wherein the elastic limiting member has an elastic deformation capability, and the elastic limiting member connects the star wheel and the finger to limit the relative position of the star wheel and the finger.
4. The overrunning clutch according to claim 3, wherein said resilient retainer is a spring assembly.
5. The overrunning clutch according to claim 1, wherein a rolling bearing is disposed between said outer ring and said spider.
6. A clutch device suitable for a self-propelled horse carrier, which comprises the overrunning clutch as claimed in any one of claims 1 to 5, wherein the self-propelled horse carrier is provided with a stop block, the overrunning clutch is rotated, and a clamping block of the pusher dog abuts against the stop block so as to limit the pusher dog and the star wheel to rotate continuously.
7. A clutch device suitable for a self-propelled horse-bearing according to claim 6, characterized in that the number of the overrunning clutches is two, the number of the stop blocks is one, the two overrunning clutches are arranged oppositely, and the blocking directions of the two overrunning clutches are the same.
8. The clutched device adapted for a self-propelled horse carrier of claim 6, further comprising a shaft inserted in the spider for transmitting or driving movement of the spider, and a drive member disposed on the outer ring for transmitting or driving movement of the outer ring.
9. A clutched device adapted to a self-propelled horse-bearing as claimed in claim 8, wherein the drive member is a gear or sprocket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922427581.8U CN211423214U (en) | 2019-12-30 | 2019-12-30 | Overrunning clutch and clutch device suitable for self-propelled bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922427581.8U CN211423214U (en) | 2019-12-30 | 2019-12-30 | Overrunning clutch and clutch device suitable for self-propelled bearing |
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| Publication Number | Publication Date |
|---|---|
| CN211423214U true CN211423214U (en) | 2020-09-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922427581.8U Active CN211423214U (en) | 2019-12-30 | 2019-12-30 | Overrunning clutch and clutch device suitable for self-propelled bearing |
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| CN (1) | CN211423214U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114183478A (en) * | 2021-12-10 | 2022-03-15 | 南京佗道医疗科技有限公司 | Mechanical transmission clutch device and driving transmission mechanism |
-
2019
- 2019-12-30 CN CN201922427581.8U patent/CN211423214U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114183478A (en) * | 2021-12-10 | 2022-03-15 | 南京佗道医疗科技有限公司 | Mechanical transmission clutch device and driving transmission mechanism |
| CN114183478B (en) * | 2021-12-10 | 2024-03-12 | 佗道医疗科技有限公司 | Mechanical transmission clutch device and driving transmission mechanism |
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