CN210941220U - Wheel hub motor trailing arm suspension - Google Patents
Wheel hub motor trailing arm suspension Download PDFInfo
- Publication number
- CN210941220U CN210941220U CN201921800185.9U CN201921800185U CN210941220U CN 210941220 U CN210941220 U CN 210941220U CN 201921800185 U CN201921800185 U CN 201921800185U CN 210941220 U CN210941220 U CN 210941220U
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- Prior art keywords
- trailing arm
- cable
- arm
- water pipe
- heat dissipation
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Abstract
The utility model belongs to the field of vehicle engineering, and relates to a wheel hub motor trailing arm suspension, which comprises a trailing arm mounting bracket, a trailing arm, a wheel hub motor, a cable, a brake, a heat dissipation water pipe, a fastening screw rod and a spring connecting pin; the longitudinal arm is of a thin-wall structure; the cable and the heat dissipation water pipe penetrate through the cavity of the trailing arm and are led out from the end of the trailing arm bracket; the opening part of the longitudinal arm spring mounting side close to the longitudinal arm mounting support is welded with a metal cover plate, the cover plate is provided with a round hole matched with the diameter of the heat dissipation water pipe and the diameter of the cable, and the interface of the longitudinal arm and the hub motor is of a radiation flange structure. The utility model integrates the hub motor, the brake, the cable and the pipeline by utilizing the hollow thin-wall longitudinal arm structure, thereby realizing the longitudinal arm type modular integration of a form driving system; the module has large vehicle jumping stroke, the trailing arm is suitable for large-range swinging, and larger suspension lateral rigidity can be provided, so that the module is a technical guarantee that the vehicle passes through ultrahigh geometric obstacles. And the components are designed in a modularized way, so that the device is interchangeable, energy-consuming, low in manufacturing cost and easy to maintain.
Description
Technical Field
The utility model relates to a light-duty superelevation motor vehicle in-wheel motor actuating system that traveles belongs to the vehicle engineering field.
Background
The single longitudinal arm in-wheel motor drive module in the prior art has the structure complicacy, and the quality is light inadequately, and cable and water pipe etc. are not integrated enough simultaneously, orderly, cause cable and water pipe wearing and tearing scheduling problem easily, but special road conditions have proposed brand-new requirement to light-duty super high motor vehicle actuating system that traveles: super large suspension stroke; the vehicle posture adjusting function is achieved; the lateral rigidity is high; ultra-large driving torque output and the like, which cannot be met by the prior art. Application number is 201210323493.3's utility model discloses a single trailing arm formula independent suspension with hydro-pneumatic spring, this independent suspension quality is heavy, and is bulky, and bearing capacity is not enough, can't be insufficient to the structure integration of in-wheel motor, trailing arm support, cable line in using, and the vertical flexibility of suspension is not enough, has influenced the ability that the vehicle passes through geometric barrier, does not have the rational design to the structure in the aspect of in-wheel motor heat dissipation, has increased the integrated degree of difficulty.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model discloses a as follows wheel hub motor trailing arm suspension is put into practical use.
The utility model provides a wheel hub motor trailing arm suspension, which comprises a trailing arm mounting bracket, a trailing arm, a wheel hub motor, a cable, a brake, a heat dissipation water pipe, a fastening screw rod and a spring connecting pin, wherein the trailing arm mounting bracket is provided with a threaded interface; the longitudinal arm is of a thin-wall structure, and the pin shaft end of the longitudinal arm is coupled with the longitudinal arm mounting bracket to form a rotating pair; the cable and the heat dissipation water pipe penetrate through the cavity of the longitudinal arm and are led out from the end of the longitudinal arm support; the opening of the longitudinal arm spring mounting side close to the longitudinal arm mounting support is welded with a metal cover plate, the cover plate is provided with a round hole matched with the diameters of the heat dissipation water pipe and the cable, and the interface of the longitudinal arm and the hub motor is of a radiation flange structure.
Preferably, the trailing arm mounting bracket is of a split mirror structure and comprises a main bracket and an auxiliary bracket, and the auxiliary bracket is positioned with the main bracket through a positioning groove and a flange plane.
Preferably, the thin-walled structure has a rectangular cross section.
Preferably, the brake is a fixed caliper disc brake which is driven by a hydraulic system to provide braking torque.
As a further preference, the brake is matched with a fixed caliper multi-piston integrated brake caliper.
Preferably, the opening of the trailing arm spring mounting side near the trailing arm mounting bracket faces upward.
Preferably, all cables of the motor of the wheel hub are uniformly distributed on one side of the trailing arm and point to the positive direction of the vertical direction of the vehicle body.
Preferably, the spring connecting pin shaft is connected with a lower dead point of the hydro-pneumatic spring.
Compared with the prior art, the utility model discloses following beneficial effect has:
(1) the structure integration of wheel hub motor, trailing arm support, cable line for suspension guiding mechanism and motor drive mechanism integration become the general interchange modularization part of vehicle.
(2) The trailing arm is thin wall cavity structural design, can hold motor power cable simultaneously, control cable, heat dissipation water pipe's intracavity integration.
(3) The hub motor and the longitudinal arm are mounted and characterized in that the heat dissipation water pipe is arranged at the inlet and the outlet of the heat dissipation water pipe, is arranged at the far end of the longitudinal arm along the axial direction of the longitudinal arm, and is used for reducing the water group of the heat dissipation water along the pipeline, indirectly reducing the lift and the power of a heat dissipation system, reducing the power loss and improving the energy utilization efficiency of the whole vehicle.
(4) The design of the cover plate round hole can enable the heat dissipation water pipe and the cable line to be stable and orderly, and the water pipe and the cable are compact.
(5) All cables of the motor of the wheel hub are uniformly distributed on one side of the longitudinal arm and point to the positive direction of the vertical direction of the vehicle body. The arrangement mode enables the pipeline to have good protection capability under the vehicle wading working condition and the off-road working condition, and the reliability and the safety of the system are improved.
(6) The structure of the trailing arm is optimized to realize the large-stroke jumping of the wheel; the wheel hop plane is parallel to the central plane of the vehicle body, so that the longitudinal flexibility of the suspension is increased, and the passing capacity of the geometric obstacles of the vehicle is greatly improved; the transverse rigidity of the suspension is increased, and the stability of the vehicle passing through the geometric obstacle is greatly improved.
(7) The hub driving module has the advantages that the parts are arranged and combined, so that the driving module parts suitable for different driving axles and different swing arm directions of the whole vehicle can be formed, the universal capability of the parts is greatly improved, and the requirement on the maintenance and guarantee capability of the system is reduced.
Drawings
Fig. 1 is a schematic structural diagram of a trailing arm suspension of a hub motor.
Fig. 2 is a schematic view of a trailing arm mounting bracket.
FIG. 3 and FIG. 4 are longitudinal sectional views.
1. A trailing arm mounting bracket; 2. a trailing arm; 3. a hub motor; 4. a cable; 5. a brake; 6 and 9 heat dissipation water pipes; 7. fastening screw rods 8 and spring connecting pins; 1-1, a main bracket; 1-2, a secondary support; 1-3, fastening screws; 10. a cover plate; 2-1 trailing arm cavity; 2-2 radiation flange structure; 2-3 rectangular ring sections; 2-4 pipeline shield threaded interface.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings.
As shown in fig. 1-4, the utility model provides a wheel hub motor trailing arm suspension, including trailing arm installing support 1, trailing arm 2, wheel hub motor 3, cable 4, stopper 5, heat dissipation water pipe 6 and 9, fastening screw 7 and spring coupling round pin 8. The trailing arm mounting bracket 1 is provided with a threaded interface, so that the trailing arm mounting bracket is conveniently fixed on a vehicle body through bolts; the longitudinal arm 2 is of a thin-wall structure, the pin shaft end of the longitudinal arm is coupled with the mounting bracket 1 to form a rotating pair, the longitudinal arm swings around a vehicle body, the cross section of a cavity 2-1 of the longitudinal arm is preferably a rectangular annular section 2-3, the torsional rigidity of a component is increased, the mass of the component is reduced, and the longitudinal arm 2 is preferably made of aluminum alloy materials, so that the mass of the component is further reduced; the hub motor 3 is arranged at the longitudinal arm interface through a fastening screw rod 7 and serves as an interface between the longitudinal arm and the hub motor, the preferred structure is a radiation flange structure 2-2, the hub motor can be better fixed, and as further preferred, a pipeline protective cover threaded interface 2-4 is reserved on the radiation flange; the water inlet and outlet of the motor radiating water pipe are arranged at the far end of the trailing arm, the cable guide outlet is arranged at the mounting side of the trailing arm spring, the motor radiating water pipe and the cable are led in from the opening at the far end of the trailing arm and led out from the opening at the mounting side of the trailing arm spring, which is close to the mounting bracket of the trailing arm, so that the radiating water pipe 6 and the cable 4 are integrated into a wiring harness, the cross-country state of the vehicle is prevented, obstacles collide with the wiring harness, and preferably, all cables of the motor of the wheel hub are uniformly distributed at the single side of the trailing arm and; secondly, the longitudinal arm 2 is provided with a threaded interface and can be provided with a pipeline protective cover to protect cables and water pipes; cable 4 and heat dissipation water pipe 6 pass the trailing arm chamber, derive in trailing arm support end, realize that pipeline and trailing arm are integrated, and the pipeline that the motion of attenuating wheel hop leads to by a wide margin is buckled, and wearing and tearing, and cable 4 is preferred to be arranged in motor rotation center upside, can be favorable to reducing the vehicle operating mode cable probability of soaking like this, improves vehicle safe and reliable performance. The brake 5 adopts a fixed caliper type disc brake, provides braking torque through the driving of a hydraulic system, realizes the braking function of the vehicle, preferably adopts a brake matched with a fixed caliper multi-piston integral type brake caliper, and can provide larger braking torque to realize the emergency safe braking performance and the large-gradient parking capacity of the vehicle. The integral pliers body is made of high-strength aluminum alloy, so that the integral pliers body is light in weight and free of leakage; the design of multiple pistons enables the load distribution of the brake friction plate to be more uniform, and the service life of the friction plate is prolonged. The heat dissipation water pipe 6 is connected with the hub motor 3 and the centralized heat dissipation equipment in the vehicle, so that the long-time high-power-density operation of the hub motor is realized; the spring connecting pin shaft 8 is connected with a lower dead point of the hydro-pneumatic spring, so that the longitudinal arm and the elastic damping element form motion coupling, and vibration impact of the vehicle is attenuated. The opening part of the longitudinal arm spring mounting side close to the longitudinal arm mounting support is welded with a metal cover plate, the cover plate is provided with a round hole matched with the diameter of the heat dissipation water pipe and the diameter of the cable, the heat dissipation water pipe and the cable line can be stable and orderly due to the design of the round hole of the cover plate, and the water pipe and the cable are compact.
Preferably, the trailing arm mounting bracket 1 adopts a split mirror structure design and mainly comprises a main bracket 1-1 and an auxiliary bracket 1-3. The auxiliary support is positioned with the main support through the positioning groove and the flange plane, and the fastening function is realized through the screws 1-3. The longitudinal arm mounting bracket 1 can be matched with the longitudinal arm suspension devices on the left side and the right side of the vehicle at the same time, so that the universal interchangeability of vehicle parts is realized, and the maintainability guarantee performance of the vehicle is improved.
The utility model integrates the hub motor, the brake, the cable and the pipeline by utilizing the hollow thin-wall longitudinal arm structure, thereby realizing the longitudinal arm type modular integration of a form driving system; the module has large vehicle jumping stroke, the trailing arm is suitable for large-range swinging, and larger suspension lateral rigidity can be provided, so that the module is a technical guarantee that the vehicle passes through ultrahigh geometric obstacles. And the components are designed in a modularized way, so that the device is interchangeable, energy-consuming, low in manufacturing cost and easy to maintain.
Although the present invention has been described with reference to the preferred embodiments, the present invention is not limited thereto. Various changes and modifications may be effected therein by one of ordinary skill in the pertinent art without departing from the scope or spirit of the present invention, and the scope of the present invention is defined by the appended claims.
Claims (8)
1. A wheel hub motor trailing arm suspension comprises a trailing arm mounting bracket, a trailing arm, a wheel hub motor, a cable, a brake, a heat dissipation water pipe, a fastening screw and a spring connecting pin, wherein the trailing arm mounting bracket is provided with a threaded interface; the cable and the heat dissipation water pipe penetrate through the cavity of the longitudinal arm and are led out from the end of the longitudinal arm support; a pipeline protective cover is arranged at the opening at the far end of the longitudinal arm; a metal cover plate is welded at an opening of the trailing arm spring mounting side close to the trailing arm mounting bracket; the cover plate is provided with a round hole matched with the diameters of the heat dissipation water pipe and the cable; the interface of trailing arm and in-wheel motor is radiation flange structure.
2. The in-wheel motor trailing arm suspension of claim 1, wherein the trailing arm mounting bracket is a split mirror image structure comprising a primary bracket and a secondary bracket, the secondary bracket being positioned with the primary bracket by a positioning groove and a flange plane.
3. The in-wheel motor trailing arm suspension of claim 1 or 2, wherein the thin-walled structure is rectangular in cross-section.
4. The in-wheel motor trailing arm suspension of claim 1 or 2, wherein the brake is a fixed caliper disc brake that provides braking torque driven by a hydraulic system.
5. The in-wheel motor trailing arm suspension of claim 4 wherein the brake matches a fixed caliper multiple piston unitary brake caliper.
6. The in-wheel motor trailing arm suspension according to claim 1 or 2, characterized in that all cables of the in-wheel motor are arranged on one side of the trailing arm and point to the positive direction of the vertical direction of the vehicle body.
7. The in-wheel motor trailing arm suspension according to claim 1 or 2, wherein the opening at the trailing arm spring mounting side near the trailing arm mounting bracket is directed upward.
8. The in-wheel motor trailing arm suspension of claim 1 or 2, characterized in that, the spring connecting pin is connected with hydro-pneumatic spring bottom dead center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921800185.9U CN210941220U (en) | 2019-10-24 | 2019-10-24 | Wheel hub motor trailing arm suspension |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921800185.9U CN210941220U (en) | 2019-10-24 | 2019-10-24 | Wheel hub motor trailing arm suspension |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210941220U true CN210941220U (en) | 2020-07-07 |
Family
ID=71391602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921800185.9U Expired - Fee Related CN210941220U (en) | 2019-10-24 | 2019-10-24 | Wheel hub motor trailing arm suspension |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210941220U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113619502A (en) * | 2021-08-13 | 2021-11-09 | 吉林大学 | Wiring method for planet vehicle movable suspension |
-
2019
- 2019-10-24 CN CN201921800185.9U patent/CN210941220U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113619502A (en) * | 2021-08-13 | 2021-11-09 | 吉林大学 | Wiring method for planet vehicle movable suspension |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20200707 Termination date: 20211024 |