CN210652526U - Buffer device of planetary wheel set - Google Patents
Buffer device of planetary wheel set Download PDFInfo
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- CN210652526U CN210652526U CN201921287933.8U CN201921287933U CN210652526U CN 210652526 U CN210652526 U CN 210652526U CN 201921287933 U CN201921287933 U CN 201921287933U CN 210652526 U CN210652526 U CN 210652526U
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- spring
- planetary wheel
- sleeve
- wheel set
- rotary platform
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Abstract
The utility model provides a buffer of planet wheel wheelset, include with frame fixed mounting's control arm and with planet wheel carrier fixed connection's leg joint spare, fixed spring buffering setting element and the spring buffering subassembly of being equipped with on the control arm, the spring buffering subassembly is located spring buffering setting element periphery, the last baffle that is equipped with of leg joint spare, the embedded cab apron of revolving platform of being equipped with of leg joint spare, this revolving platform crosses cab apron one side and spring buffering setting element fixed connection, the opposite side is connected with planet wheel carrier rotation, revolving platform crosses the cover and is equipped with revolving platform on the cab apron, the spring buffering setting element internalization is equipped with in-wheel motor flange axle, this in-wheel motor flange axle is pegged graft and is had the shaft coupling, planet wheel carrier is last to fix to have installed the planet wheel axle. The utility model discloses buffering effect is good, makes the planet wheel when the upset, reduces the impact force in the twinkling of an eye that the wheel contacts to earth, can effectual extension axle and the life of each part such as gear.
Description
Technical Field
The utility model belongs to vehicle engineering corollary equipment field, more specifically the buffer of planet wheel car wheelset that says so.
Background
The wheel set of the vehicle refers to components between a tire and a suspension, and the configuration of the wheel set determines the trafficability and stability of the vehicle on various terrains. The present planetary wheel set is mainly divided into gear type and synchronous belt type.
Specifically, the gear type wheel set is composed of a sun gear, an idler gear, a planet carrier and the like; the synchronous belt type wheel set consists of a sun wheel, a planet wheel, a guide wheel, a tension wheel, a synchronous belt and a planet carrier. No matter the transmission mode is the planet wheel formula wheelset device of gear formula or synchronous belt, its effect is all when the wheel meets the obstacle, and passive upset can be carried out to whole planet carrier, and the upset of planet carrier drives the upset of wheel, realizes that the vehicle stridees across the purpose of obstacle. However, although these two schemes can achieve the functions of vehicle ditch crossing, obstacle crossing, etc., when the planet carrier drives the wheel to overturn, the instant impact force of the wheel touching the ground is too large, so that the impact load received by each component of the whole planetary wheel set device is too large, and the damage of key parts such as the shaft, the gear, etc. is easily caused. Accordingly, there is a need in the art to find a more complete solution so as to better meet the technical requirement of modern vehicle engineering on the optimal design of the planetary wheel set, especially on the slow contact between the wheel and the ground when the planetary wheel set is turned over.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a buffer of planet wheel wheelset.
In order to solve the technical problem, the utility model discloses take following technical scheme:
a buffering device of a planetary wheel set comprises a control arm fixedly mounted with a frame and a support connecting piece fixedly connected with a planetary wheel support, wherein a spring buffering positioning piece and a spring buffering assembly are fixedly arranged on the control arm, the spring buffering assembly is positioned at the periphery of the spring buffering positioning piece, a baffle plate used for blocking the spring buffering assembly is arranged on the support connecting piece, a rotary platform transition plate is embedded in the support connecting piece, one side of the rotary platform transition plate is fixedly connected with the spring buffering positioning piece, the other side of the rotary platform transition plate is rotatably connected with the planetary wheel support, a rotary platform is sleeved on the rotary platform transition plate, a hub motor flange shaft is movably arranged in the spring buffering positioning piece, a coupler is connected with the hub motor flange shaft, a planetary wheel shaft is fixedly arranged on the planetary wheel support, the coupler penetrates through the rotary platform transition plate to be connected with the planetary wheel shaft, and drives the hub motor flange, and then the planet wheel shaft, the planet wheel bracket and the bracket connecting piece are driven to synchronously rotate through the coupler.
The spring buffer assemblies are at least two and are uniformly distributed on the periphery of the spring buffer positioning piece, and the number of the baffle plates on the bracket connecting piece is the same as that of the spring buffer assemblies.
The spring buffer assembly comprises a sleeve, a pressing plate, a spring and a buffer rod, one end of the spring is connected with the buffer rod, the other end of the spring is connected with the pressing plate, the buffer rod and the spring are inserted into the sleeve, the lower end of the buffer rod penetrates out of the sleeve, the pressing plate is fixedly arranged on the sleeve, and the sleeve is fixedly arranged on the control arm.
The sleeve is internally and fixedly provided with a guide sleeve, and the buffer rod movably passes through the guide sleeve.
The compression plate is connected with the sleeve in a screwing mode through a screw pair.
The shaft coupling is an Oldham coupling.
The outer surface of the rotary platform is connected with the planet wheel support in a rotating fit mode, and the inner surface of the rotary platform is connected with the transition plate of the rotary platform and the spring buffering positioning piece in a rotating fit mode.
The support connecting piece is fixedly installed with the planet wheel support through a screw.
The utility model discloses following beneficial effect has:
1) the impact force of the planet wheel type wheel set in the moment of touching the ground when the wheel set is turned over in a complex terrain is effectively reduced, the high passing performance, stability and safety of a vehicle are guaranteed, effective protection of components such as shafts and gears is achieved, and the service life of the vehicle is prolonged.
2) Through the fixed connection of the bracket connecting piece and the planet wheel bracket and the baffle plates uniformly distributed on the bracket connecting piece, the blocking of the spring buffer assembly can be realized, and the effective work of the buffer assembly is ensured.
3) The spring buffer positioning piece is connected with the periphery of the sleeve in uniform distribution in an arrangement mode, so that the uniform distribution of the spring buffer assembly can be realized, the stress is uniform, and the wheel set can be stably overturned.
Drawings
FIG. 1 is an overall view of a passively flipped spring cushion assembly of a planetary wheel set constructed in accordance with the present invention;
FIG. 2 is an exploded view of a passively flipped over spring damper assembly of the wheel set of the planetary wheel set of FIG. 1;
FIG. 3 is an elevational view of an exploded view of the passively flipped spring damper assembly of the wheel set of the planetary wheel set of FIG. 2;
FIG. 4 is an exploded view of the spring-damper assembly;
FIGS. 5a, 5b and 5c are schematic diagrams for exemplarily showing the operation of the spring buffer assembly according to the present invention;
FIG. 6 is a schematic structural view of the present invention assembled with a planetary wheel set;
FIG. 7 is a partially exploded schematic view of FIG. 6;
fig. 8a, 8b and 8c are schematic structural diagrams of the passively overturned spring buffer assembly of the planetary wheel set constructed according to the present invention in the obstacle crossing process of the wheel set.
Detailed Description
For further understanding of the features and technical means of the present invention, as well as the specific objects and functions attained by the present invention, the present invention will be described in further detail with reference to the accompanying drawings and detailed description.
As shown in fig. 1-4, 6 and 7, the utility model discloses a buffer of planet wheel wheelset, include with frame fixed mounting's control arm 15 and with planet wheel support 13 fixed connection's leg joint spare 1, leg joint spare 1 is preferred to be through screw and planet wheel support 13 fixed mounting for leg joint spare and planet wheel support synchronous rotation.
Spring buffer locating part 7 and spring buffer subassembly 4 are fixed being equipped with on control arm 15, and spring buffer subassembly 4 is located spring buffer locating part 7 periphery, is equipped with the baffle 16 that is used for blockking spring buffer subassembly on the support connecting piece 1, and planet wheel support 13 rotates and drives support connecting piece 1 and rotate to make baffle 16 corresponding rotation, can form the contact with spring buffer subassembly at the rotation in-process, thereby utilize spring buffer subassembly to play the buffering to the wheel impact force and reduce.
The support connecting piece 1 is embedded with a rotary platform transition plate 2, one side of the rotary platform transition plate 2 is fixedly connected with a spring buffering positioning piece 7, the other side of the rotary platform transition plate is rotatably connected with a planet wheel support 13, the rotary platform transition plate 2 is sleeved with a rotary platform 3, the outer surface of the rotary platform is connected with the planet wheel support in a rotating fit mode, and the inner surface of the rotary platform transition plate is connected with the spring buffering positioning piece in a rotating fit mode, so that the whole structure is more compact.
A hub motor flange shaft 6 is movably arranged in the spring buffering positioning part 7, the hub motor flange shaft 6 is connected with a coupler 5, a planet wheel shaft 14 is fixedly arranged on a planet wheel support 13, the coupler 5 penetrates through a transition plate 2 of the rotary platform to be connected with the planet wheel shaft 14, the hub motor flange shaft is driven to rotate through an external rotating motor, and then the planet wheel shaft, the planet wheel support and a support connecting piece are driven to synchronously rotate through the coupler. The hub motor flange shaft is connected with an external motor to drive the rotation of the hub shell flange shaft, so that the rotation of the coupler is driven, and the purpose of transmitting torque to the planet wheel support is achieved. The shaft coupling adopts an Oldham coupling, so that the flange shaft of the two-wheel hub motor and the planet wheel shaft obtain constant speed and stably rotate, and simultaneously play a role in buffer protection.
The control arm is fixedly installed with the frame, so that the stability of the spring buffer assembly is fully guaranteed. The support connecting piece is at the pivoted in-process, and the baffle that sets up on it follows the rotation to can form the contact with spring buffering subassembly, thereby utilize spring buffering subassembly to impact force formation buffering, reduce the impact force in the twinkling of an eye that planet wheel formula wheelset contacts to earth when complicated topography upset, guarantee high trafficability characteristic, stability, the security of vehicle, realized effective protection to parts such as counter shaft and gear, improve its life.
In this embodiment, the number of the spring buffer assemblies is three, the spring buffer assemblies are uniformly distributed on the periphery of the spring buffer positioning piece, and the number of the baffle plates on the bracket connecting piece is three correspondingly. The baffle plate has the function of blocking the spring buffer component,
spring buffer unit includes sleeve 8, pressure strip 9, spring 10 and buffer beam 12, and spring 10 one end is connected with buffer beam 12, and the other end is connected with pressure strip 9, and buffer beam 12 and spring 10 cartridge are worn out in sleeve 8 and buffer beam 12 lower extreme follow sleeve 8, and pressure strip 9 is fixed to be adorned on sleeve 8, and sleeve 8 is fixed to be adorned on control arm 15. The sleeve 8 is internally and fixedly provided with a guide sleeve 11, the buffer rod 12 movably penetrates through the guide sleeve 11, and the guide sleeve is utilized to guide and support the buffer rod. The buffer rod passes through the sleeve, and the spring is pressed after the buffer rod is touched by the baffle plate, so that the buffer rod retracts into the sleeve to form buffer. The pressure strip is screwed with the sleeve through the screw pair, so that the pressure strip is convenient to install and disassemble.
The hub motor drives the hub flange shaft to rotate, and the torque is transmitted to the planet wheel shaft through the coupling right path, so that the planet wheel support is driven to rotate, the support connecting piece rotates synchronously, the baffle can be in contact with the spring buffering assembly, and the spring buffering assembly utilizes the self elastic force to offset and buffer impact force.
When a vehicle of the planetary wheel set runs on a flat road, the spring buffer component is in the position shown in fig. 5a, and the baffle on the bracket connecting piece 1 is not in contact with one end of the buffer rod 12 exposed out of the sleeve; when a vehicle of the planetary wheel type wheel set gets over an obstacle, the wheel set can generate impact when moving downwards, the spring buffer component is located at the position shown in fig. 5b, at the moment, the spring buffer component starts to work, the baffle on the bracket connecting piece 1 is contacted with one end of the buffer rod 12 exposed out of the sleeve, the buffer rod 12 is compressed, and meanwhile, reverse abutting force is achieved, and the impact force of the downward movement of the wheel set is reduced; when two wheels of the planetary wheel set are in contact with the ground, the spring buffer assembly is in the position shown in fig. 5c, the spring buffer assembly does not work, and at the moment, the baffle on the bracket connecting piece 1 is not in contact with one end of the buffer rod 12 exposed out of the sleeve. And figure 8a, figure 8b, figure 8c are according to the utility model discloses the spring buffering subassembly of the passive upset of planetary wheel wheelset that founds hinders the structural schematic diagram of in-process at the wheel group more, when the planet wheel meets the barrier and need overturn, the planet wheel support together upset can be followed to the leg joint spare 1, and spring buffer setting element 7 then keeps fixed for the baffle on spring buffering subassembly 7 and the leg joint spare 1 contacts, plays the shock attenuation cushioning effect.
It should be noted that the above is only a preferred embodiment of the present invention, and the present invention is not limited to the above, and although the present invention has been described in detail with reference to the embodiments, it will be apparent to those skilled in the art that the technical solutions described in the foregoing embodiments can be modified or some technical features can be replaced with equivalents, but any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A buffer device of a planetary wheel set comprises a control arm fixedly mounted with a frame and a support connecting piece fixedly connected with a planetary wheel support, and is characterized in that a spring buffer positioning piece and a spring buffer component are fixedly mounted on the control arm, the spring buffer component is positioned at the periphery of the spring buffer positioning piece, a baffle plate for blocking the spring buffer component is arranged on the support connecting piece, a rotary platform transition plate is embedded in the support connecting piece, one side of the rotary platform transition plate is fixedly connected with the spring buffer positioning piece, the other side of the rotary platform transition plate is rotatably connected with the planetary wheel support, a rotary platform is sleeved on the rotary platform transition plate, a hub motor flange shaft is movably arranged in the spring buffer positioning piece, a coupler is connected with the hub motor flange shaft, a planetary wheel shaft is fixedly mounted on the planetary wheel support, and the coupler passes through the rotary platform transition plate to be, the hub motor flange shaft is driven to rotate through the external rotating motor, and then the planet wheel shaft, the planet wheel support and the support connecting piece are driven to synchronously rotate through the coupler.
2. The fender of a planetary wheel set according to claim 1, wherein the number of the spring damper assemblies is at least two and is uniformly distributed around the spring damper positioning member, and the number of the baffle plates on the carrier connecting member is the same as the number of the spring damper assemblies.
3. A damper of a planetary wheel set according to claim 2, wherein the spring damper assembly includes a sleeve, a pressing plate, a spring and a damping rod, one end of the spring is connected to the damping rod, the other end of the spring is connected to the pressing plate, the damping rod and the spring are inserted into the sleeve, the lower end of the damping rod penetrates out of the sleeve, the pressing plate is fixedly mounted on the sleeve, and the sleeve is fixedly mounted on the control arm.
4. A damper device for a wheel set of a planetary wheel vehicle as claimed in claim 3, wherein a guide sleeve is fixedly installed in the sleeve, and the damping rod is movably passed through the guide sleeve.
5. A damper of a planetary wheel set according to claim 4, characterized in that the pressure strip is screwed to the sleeve by means of a screw pair.
6. A damper device for a planetary wheel set according to claim 5, characterized in that said coupling is an Oldham coupling.
7. The draft gear of a planetary wheel set according to claim 6, wherein said outer surface of said rotary platform is rotatably engaged with said planet carrier and said inner surface is rotatably engaged with said transition plate of said rotary platform and said spring cushion retainer.
8. A damper arrangement for a planetary wheel set according to claim 7, characterised in that the carrier connection is fixedly mounted to the planet carrier by means of screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921287933.8U CN210652526U (en) | 2019-08-09 | 2019-08-09 | Buffer device of planetary wheel set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921287933.8U CN210652526U (en) | 2019-08-09 | 2019-08-09 | Buffer device of planetary wheel set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210652526U true CN210652526U (en) | 2020-06-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921287933.8U Active CN210652526U (en) | 2019-08-09 | 2019-08-09 | Buffer device of planetary wheel set |
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| CN (1) | CN210652526U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110422010A (en) * | 2019-08-09 | 2019-11-08 | 广东省智能机器人研究院 | A kind of buffer gear that planetary gear wheel group is passively overturn |
-
2019
- 2019-08-09 CN CN201921287933.8U patent/CN210652526U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110422010A (en) * | 2019-08-09 | 2019-11-08 | 广东省智能机器人研究院 | A kind of buffer gear that planetary gear wheel group is passively overturn |
| CN110422010B (en) * | 2019-08-09 | 2023-07-21 | 广东省智能机器人研究院 | Buffering mechanism for passive overturning of planetary wheel set |
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