CN113404826B - Star wheel transmission mechanism with clutch function - Google Patents
Star wheel transmission mechanism with clutch function Download PDFInfo
- Publication number
- CN113404826B CN113404826B CN202110727035.5A CN202110727035A CN113404826B CN 113404826 B CN113404826 B CN 113404826B CN 202110727035 A CN202110727035 A CN 202110727035A CN 113404826 B CN113404826 B CN 113404826B
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- gear
- rotating shaft
- idler
- transmission mechanism
- rocker
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 51
- 230000007246 mechanism Effects 0.000 title claims abstract description 40
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 230000003068 static effect Effects 0.000 claims description 2
- 230000009347 mechanical transmission Effects 0.000 abstract description 2
- 238000006243 chemical reaction Methods 0.000 description 10
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000012636 effector Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000411 inducer Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D11/00—Clutches in which the members have interengaging parts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D23/00—Details of mechanically-actuated clutches not specific for one distinct type
- F16D23/12—Mechanical clutch-actuating mechanisms arranged outside the clutch as such
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/001—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion convertible for varying the gear-ratio, e.g. for selecting one of several shafts as the input shaft
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/002—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having teeth movable out of mesh
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/08—General details of gearing of gearings with members having orbital motion
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structure Of Transmissions (AREA)
Abstract
The invention discloses a star wheel transmission mechanism with a clutch function, and belongs to the technical field of mechanical transmission; comprises a first rotating shaft, an idler rotating shaft and a second rotating shaft; the outer side of the first rotating shaft is sleeved with a first gear, the outer side of the second rotating shaft is sleeved with a second gear, and the outer side of the idler rotating shaft is sleeved with an idler; the idler wheel, the first gear and the second gear are connected in an external meshed manner; a bracket is arranged between the idler wheel rotating shaft and the first rotating shaft, and a rocker is arranged between the idler wheel rotating shaft and the second rotating shaft; a clutch driving device is arranged outside one end of the idler wheel rotating shaft; when the clutch driving device is closed, the positions between the rocker and the bracket are kept relatively fixed; when the clutch driving device is started, the clutch driving device can push the second gear to rotate in a planetary mode through the rocker until the second gear is engaged with the first gear in an interlocking mode or is disengaged from the first gear; the positions of the components in the transmission mechanism can be kept relatively stationary when the second gear is engaged with the first gear. The invention has the advantages of good transmission reliability and capability of reducing the number of components.
Description
Technical Field
The invention relates to the technical field of mechanical transmission, in particular to a star wheel transmission mechanism with a clutch function.
Background
Nowadays, off-road robots are increasingly used for performing dangerous tasks such as fire fighting, disaster relief, terrain investigation and the like, and wheels are used as the 'two legs' of the trolley robot, so that the trafficability and task success and failure of the robot are directly determined. In order to achieve the characteristics of being suitable for fast movement on a flat road surface and strong obstacle crossing capability at the same time, a new technology for utilizing wheel-track coupling wheels as a robot walking mechanism appears, and the novel technology is characterized in that the novel technology can be used for mutually switching between the wheel tracks, and rigid tracks with unchanged lengths can be used.
For example, a track-coupled wheel is disclosed in the patent publication CN 112373585A; according to the technical scheme, the robot can walk depending on wheels, and meanwhile, the robot can walk through being switched into caterpillar by the wheel-caterpillar conversion structure; in the technical scheme, the caterpillar band is supported by the inducer, the bearing wheel and the driving wheel on the front fork arm and the rear fork arm, and the torsion spring is utilized to prop up the fork arm so as to tighten the caterpillar band, so that the caterpillar band can walk through the caterpillar band; the steering engine shaft drives the shifting fork, so that the clutch sleeve is shifted to move forwards to be meshed with the shaft end gear ring, the clutch sleeve pulls the torsion spring through the inhaul cable to tighten the crawler belt, meanwhile, the wheels are exposed, and power is directly output to the wheels to realize robot walking, so that the requirements of multiple aspects such as straight running or obstacle crossing can be met; however, the wheel-track coupling structure in the technical scheme has poor structural reliability due to the complex transmission route; in addition, the wheel track conversion speed cannot meet the requirement of high-speed use, and in addition, the number of the clutches used in the wheel track conversion speed is large, so that the use cost is relatively high.
Disclosure of Invention
The invention aims to solve the problems in the background art and provides a star wheel transmission mechanism with a clutch function, which has the advantages of good transmission reliability and less number of components.
In order to achieve the technical purpose, the invention adopts the following technical scheme:
A star wheel drive with clutch function, comprising: the shaft axis is a first rotating shaft, an idler rotating shaft and a second rotating shaft which are arranged in parallel; the outer side of the first rotating shaft is sleeved with a first gear, the outer side of the second rotating shaft is sleeved with a second gear, and the outer side of the idler rotating shaft is sleeved with an idler; the idler wheel is positioned between the first gear and the second gear and is in meshed connection with the first gear and the second gear in the same plane; a bracket is arranged between the idler wheel rotating shaft and the first rotating shaft, and a rocker is arranged between the idler wheel rotating shaft and the second rotating shaft;
the clutch driving device is coaxially arranged outside one end of the idler wheel rotating shaft; when the clutch driving device is closed, the position between the rocker and the bracket is kept relatively fixed; when the clutch driving device is started, the clutch driving device can push the second gear to perform planetary rotation by taking the idler wheel as a sun wheel through the rocker until the second gear is engaged with the first gear to interlock or disengage from the first gear; the position of all parts in the transmission mechanism can be kept relatively static when the second gear is engaged and interlocked with the first gear.
Further, the first rotating shaft is a power input shaft; the transmission mechanism rotates as a unitary member about the first axis of rotation when the second gear is engaged with the first gear.
Further, the idler wheel rotating shaft is a power input shaft; the drive mechanism rotates as an integral member about the idler shaft when the second gear is engaged with the first gear.
Further, the clutch driving device comprises a steering engine arranged on the bracket, a steering engine shaft which is arranged on the outer side of one end of the steering engine and is coaxial with the idler wheel rotating shaft is arranged on the outer side of one end of the steering engine, and the steering engine shaft and the idler wheel rotating shaft are not interfered with each other; the steering engine is characterized in that a connecting piece is further arranged on the outer side of the steering engine shaft, and one end, away from the steering engine shaft, of the connecting piece is detachably and fixedly connected with the rocker.
Further, the connecting piece is a shifting fork, one end of the shifting fork is fixed on the outer side of the end part of the steering engine shaft, and the other end of the shifting fork is fixed on the rocker through a pin.
Further, the connecting piece further comprises a stainless steel inhaul cable, and two ends of the inhaul cable are fixedly connected with the shifting fork and the rocker respectively.
Further, a transmission gear train formed by connecting a plurality of transmission gears in an internal-external meshed manner on the same plane is also arranged on the support between the first gear and the idler gear, and the transmission gear train is connected with the first gear and the idler gear in an internal-external meshed manner on the same plane.
Further, the number of gears of the transmission gear train is determined according to the design transmission ratio requirement; when the number of gears in the whole transmission mechanism is even, the number of teeth of the first gear is different from that of the second gear.
Further, the support is any one of a single rigid body, a multi-link mechanism or a flexible hinge.
Further, the support is provided with a rotating shaft mounting hole at two ends of the rocker, the support is aligned with one rotating shaft mounting hole of the rocker and rotatably mounts the idler rotating shaft in the aligned rotating shaft mounting hole, the rocker is far away from the idler rotating shaft, the rotating shaft mounting hole is rotatably mounted with a second rotating shaft 31, and the support is far away from the idler rotating shaft, and the rotating shaft mounting hole is rotatably mounted with a first rotating shaft.
The invention has the following beneficial effects:
1. When the rudder shaft stops rotating in the mechanism, the first gear and the second gear are normally meshed with each other; when the steering shaft rotates, the connecting piece directly drives the rocker to rotate, and then the second gear is driven to rotate around the idler gear, until the meshing and interlocking of the first gear and the second gear are realized, so that the integral mechanism is tightened and an integral component with relatively fixed internal parts is formed; the mechanism with the two states can form a wheel-track conversion clutch capable of replacing the wheel-track conversion structure in the prior art, and the clutch has a simple transmission structure and good reliability.
2. When the mechanism is used for wheel-track conversion, the whole structure is compact, and the transmission path is shorter than that of the prior art, so that the wheel-track switching speed is higher, and the occasion of high-speed use can be met.
3. Compared with the prior art that the crawler belt and the wheels respectively use different power input shafts, in order not to interfere with each other, a large number of clutches are needed to cut off or transmit the power of the wheels and the power of the crawler belt when the crawler belt is switched; in the wheel-track conversion process of the mechanism, unnecessary power is cut off by means of interlocking between gears or mechanism parts, and the power input shaft is unchanged all the time when in use, so that a clutch is not required to be additionally introduced, and the use cost can be effectively reduced.
Drawings
FIG. 1 is a schematic illustration of an axially measured structure of the present invention;
FIG. 2 is a schematic diagram of the front view of the present invention;
Fig. 3 is a schematic view of the structure in the clutch-off state in the first embodiment of the invention;
Fig. 4 is a schematic structural view of the first embodiment of the present invention in a clutch engaged state.
Name of the label in the figure: the gear comprises a first gear 1, a first rotating shaft 11, an idler gear 2, an idler gear rotating shaft 21, a second gear 3, a second rotating shaft 31, a bracket 4, a rocker 5, a rocker 6, a shifting fork 7 and a pin 8.
Detailed Description
Embodiments of the present invention will be described in further detail below with reference to the attached drawings, wherein it is apparent that the described embodiments are only some embodiments, but not all embodiments of the present invention.
First embodiment:
Referring to fig. 1 to 4, a star wheel transmission mechanism with clutch function of the present embodiment includes: a first rotating shaft 11, an idler rotating shaft 21 and a second rotating shaft 31, wherein the axes of the first rotating shaft and the idler rotating shaft are arranged in parallel; the outer side of the first rotating shaft 11 is sleeved with a first gear 1, the outer side of the second rotating shaft 31 is sleeved with a second gear 3, and the outer side of the idler rotating shaft 21 is sleeved with an idler 2; the idler gear 2 is positioned between the first gear 1 and the second gear 3 and is in meshed connection with the first gear 1 and the second gear 3 in the same plane; a bracket 4 is arranged between the idler wheel rotating shaft 21 and the first rotating shaft 11, and a rocker 5 is arranged between the idler wheel rotating shaft 21 and the second rotating shaft 31.
Wherein, both ends of the bracket 4 and the rocker 5 are respectively provided with a rotating shaft mounting hole, one of the rotating shaft mounting holes of the bracket 4 and the rocker 5 is aligned and rotatably installs the idler rotating shaft 21 in the aligned rotating shaft mounting hole, the rocker 5 is far away from the idler rotating shaft 21 and rotatably installs the second rotating shaft 31 in the rotating shaft mounting hole, and the bracket 4 is far away from the idler rotating shaft 21 and rotatably installs the first rotating shaft 11 in the rotating shaft mounting hole.
Wherein, clutch driving device is coaxially arranged outside one end of idler wheel rotating shaft 21; when the clutch driving device is closed, the position between the rocker 5 and the bracket 4 is kept relatively fixed; when the clutch driving device is started, the clutch driving device can push the second gear 3 to perform planetary rotation by taking the idle gear 2 as a sun gear through the rocker 5 until the second gear 3 is engaged with the first gear 1 to interlock or disengage from the first gear; when the second gear 3 is in meshing interlock with the first gear 1, the position of all parts in the transmission can be kept relatively stationary.
In this embodiment, when the first rotation shaft 11 is a power input shaft and the second gear 3 is engaged with the first gear 1, the transmission mechanism rotates as an integral member around the first rotation shaft 11; when the idler shaft 21 is the power input shaft, the transmission mechanism rotates as an integral member around the idler shaft 21 when the second gear 3 is engaged with the first gear 1.
It should be noted that, by the above structure, a special clutch capable of simultaneously changing the end effector and the rotation speed can be formed, and the clutch can be used instead of the wheel-track conversion structure in the wheel-track coupling type wheel as described in the publication No. CN112373585A, and the technical solution of the above disclosed patent is not repeated here.
To better explain the principle of the clutch, the following methods are used; it should be noted that, the present embodiment is not limited to this method of use, and in fact, the transmission mechanism in the present embodiment may be considered and modified to expand the application range of the transmission mechanism in any occasion or device where both the end effector and the rotation speed need to be changed.
Specifically, when the clutch driving device is closed (i.e. the clutch is in a disconnected state), the position between the rocker 5 and the bracket 4 of the transmission mechanism of the embodiment is kept relatively fixed; at this time, the first gear 1, the second gear 3 and the idler 2 are normally meshed externally, the crawler belt can be arranged on the outer side of the gears or on the corresponding actuating element, and the crawler belt is in a tensioned state and the walking depends on the crawler belt; when the clutch drive is started (i.e. the clutch is in an engaged state), the second gear 3 is engaged and interlocked with the first gear 1 and the transmission structure is tightened into a single integral component with the internal parts being stationary, and the travelling wheels capable of covering the integral component are arranged at the power input shaft ends, and the tracks are retracted and the travelling is dependent on the travelling wheels.
To avoid excessive eccentric inertia, the clutches may be used in pairs, i.e., multiple sets of such clutches may be combined, but share the same power input shaft.
Referring to fig. 1, the clutch driving device comprises a steering engine mounted on a bracket 4, wherein a steering engine shaft 6 which is arranged coaxially with an idler wheel rotating shaft 21 is arranged at the outer side of one end of the steering engine, and the steering engine shaft 6 and the idler wheel rotating shaft 21 do not interfere with each other; the outer side of the steering shaft 6 is also provided with a connecting piece, and one end of the connecting piece, which is far away from the steering shaft 6, is detachably and fixedly connected with the rocker 5.
The connecting piece can be arranged into a shifting fork 7, one end of the shifting fork 7 is fixed on the outer side of the end part of the steering shaft 6, and the other end of the shifting fork is fixed on the rocker 5 through a pin 8; the connecting piece can also be a combination of the shifting fork 7 and a stainless steel inhaul cable, and two ends of the stainless steel inhaul cable are respectively and fixedly connected with the shifting fork 7 and the rocker 5.
In the embodiment, a transmission gear train formed by connecting a plurality of transmission gears in an inside-outside meshed manner on the same plane is further arranged on a bracket 4 between the first gear 1 and the idler 2, the transmission gear train is connected with the first gear 1 and the idler 2 in an inside-outside meshed manner on the same plane, and the number of the gears of the transmission gear train is determined according to the design transmission ratio requirement; when the number of gears in the whole transmission mechanism is even, the number of teeth of the first gear 1 and the second gear 3 cannot be the same, otherwise, the first gear 1 and the second gear 3 cannot be meshed and interlocked.
The support is not necessarily a single rigid body, but can be a multi-link mechanism or a flexible hinge.
The steering shaft 6 drives the rocker 5 to rotate forwards and reversely through the connecting piece, and only the second gear 3 and the first gear 1 can be meshed and interlocked.
The transmission mechanism in the embodiment replaces the wheel-track conversion structure in the prior art, and has the advantages of high conversion efficiency, simple wheel-track coupling structure, high reliability and the like.
The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above examples, and all technical solutions belonging to the concept of the present invention belong to the protection scope of the present invention. It should be noted that modifications and adaptations to the invention without departing from the principles thereof are intended to be within the scope of the invention as set forth in the following claims.
Claims (8)
1. A star wheel transmission mechanism with clutch function, comprising: a first rotating shaft (11), an idler rotating shaft (21) and a second rotating shaft (31) which are arranged in parallel with each other on the axis line; the outer side of the first rotating shaft (11) is sleeved with a first gear (1), the outer side of the second rotating shaft (31) is sleeved with a second gear (3), and the outer side of the idler rotating shaft (21) is sleeved with an idler (2); the idler wheel (2) is positioned between the first gear (1) and the second gear (3) and is in meshed connection with the first gear and the second gear in the same plane; a bracket (4) is arranged between the idler wheel rotating shaft (21) and the first rotating shaft (11), and a rocker (5) is arranged between the idler wheel rotating shaft (21) and the second rotating shaft (31);
A clutch driving device is coaxially arranged outside one end of the idler wheel rotating shaft (21); when the clutch driving device is closed, the position between the rocker (5) and the bracket (4) is kept relatively fixed; when the clutch driving device is started, the clutch driving device can push the second gear (3) to perform planetary rotation by taking the idle gear (2) as a sun gear through the rocker (5) until the second gear (3) is engaged with the first gear (1) to interlock or disengage from the first gear; when the second gear (3) is meshed and interlocked with the first gear (1), the positions of all parts in the transmission mechanism can be kept relatively static;
The clutch driving device comprises a steering engine arranged on the bracket (4), a steering engine shaft (6) which is arranged on the outer side of one end of the steering engine and is coaxial with the idler wheel rotating shaft (21) is arranged on the outer side of one end of the steering engine, and the steering engine shaft (6) and the idler wheel rotating shaft (21) are not interfered with each other; the outer side of the steering engine shaft (6) is also provided with a connecting piece, and one end of the connecting piece, which is far away from the steering engine shaft (6), is detachably and fixedly connected with the rocker (5);
the connecting piece is a shifting fork (7), one end of the shifting fork (7) is fixed on the outer side of the end part of the steering shaft (6), and the other end of the shifting fork is fixed on the rocker (5) through a pin (8).
2. A star wheel transmission mechanism with clutch function according to claim 1, characterized in that: the first rotating shaft (11) is a power input shaft; when the second gear (3) is engaged with the first gear (1), the transmission mechanism rotates as a whole around the first rotating shaft (11).
3. A star wheel transmission mechanism with clutch function according to claim 1, characterized in that: the idler wheel rotating shaft (21) is a power input shaft; when the second gear (3) is engaged with the first gear (1), the transmission mechanism rotates as an integral member around the idler shaft (21).
4. A star wheel transmission mechanism with clutch function according to claim 1, characterized in that: the connecting piece further comprises a stainless steel inhaul cable, and two ends of the inhaul cable are fixedly connected with the shifting fork (7) and the rocker (5) respectively.
5. The star wheel transmission mechanism with clutch function according to claim 4, wherein: the transmission gear train formed by connecting a plurality of transmission gears in an in-and-out meshed manner on the same plane is further arranged on the support (4) between the first gear (1) and the idler (2), and the transmission gear train is connected with the first gear (1) and the idler (2) in an in-and-out meshed manner on the same plane.
6. The star wheel transmission mechanism with clutch function according to claim 5, wherein: the number of gears of the transmission gear train is determined according to the design transmission ratio requirement; when the number of gears in the whole transmission mechanism is even, the number of teeth of the first gear (1) is different from that of the second gear (3).
7. The star wheel transmission mechanism with clutch function according to claim 6, wherein: the support is any one of a single rigid body, a multi-link mechanism or a flexible hinge.
8. The star wheel transmission mechanism with clutch function according to claim 7, wherein: the support (4) is provided with rotating shaft mounting holes at two ends of the rocker (5), the support (4) is aligned with one rotating shaft mounting hole of the rocker (5) and rotatably mounts the idler rotating shaft (21) in the aligned rotating shaft mounting hole, the rocker (5) is far away from the idler rotating shaft (21) and rotatably mounts the second rotating shaft (31) in the rotating shaft mounting hole, and the support (4) is far away from the idler rotating shaft (21) and rotatably mounts the first rotating shaft (11) in the rotating shaft mounting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110727035.5A CN113404826B (en) | 2021-06-29 | 2021-06-29 | Star wheel transmission mechanism with clutch function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110727035.5A CN113404826B (en) | 2021-06-29 | 2021-06-29 | Star wheel transmission mechanism with clutch function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113404826A CN113404826A (en) | 2021-09-17 |
| CN113404826B true CN113404826B (en) | 2024-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110727035.5A Active CN113404826B (en) | 2021-06-29 | 2021-06-29 | Star wheel transmission mechanism with clutch function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113404826B (en) |
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