CN109278487B - Electric automobile chassis system with adjustable wheel track and automobile body height - Google Patents
Electric automobile chassis system with adjustable wheel track and automobile body height Download PDFInfo
- Publication number
- CN109278487B CN109278487B CN201811429320.3A CN201811429320A CN109278487B CN 109278487 B CN109278487 B CN 109278487B CN 201811429320 A CN201811429320 A CN 201811429320A CN 109278487 B CN109278487 B CN 109278487B
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- cavity hydraulic
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- 230000017525 heat dissipation Effects 0.000 claims description 31
- 238000009434 installation Methods 0.000 claims description 21
- 239000003638 chemical reducing agent Substances 0.000 claims description 14
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
- B60G17/015—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements
- B60G17/0152—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by the action on a particular type of suspension unit
- B60G17/0157—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by the action on a particular type of suspension unit non-fluid unit, e.g. electric motor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2300/00—Indexing codes relating to the type of vehicle
- B60G2300/50—Electric vehicles; Hybrid vehicles
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
- Body Structure For Vehicles (AREA)
Abstract
本发明公开了一种轮距和车身高度均可调节的电动汽车底盘系统，包括车身底架，车身底架的上表面固定安装有安装座，且安装座的上表面固定安装有双腔液压缸，滑块与滑道相滑动连接，两个安装架的内侧壁与双腔液压缸的外侧壁之间均固定安装有双腔液压缸推力杆，安装架的内腔固定安装有转向电机，设置有升降装置，使车身底架的高度可调节，提高汽车的通过性，设置有双腔液压缸与双腔液压缸推力杆，通过双腔液压缸与双腔液压缸推力杆的配合，使得轮距可调节，可在特殊的工况下，保证车辆的正常行驶，本发明可以适用于特种车辆，可以在进行一些如救援等特殊任务时节省救援时间。
The present invention discloses an electric vehicle chassis system with adjustable wheelbase and vehicle height, comprising a vehicle body underframe, a mounting seat fixedly mounted on the upper surface of the vehicle body underframe, and a double-chamber hydraulic cylinder fixedly mounted on the upper surface of the mounting seat, a sliding block and a slideway slidably connected, double-chamber hydraulic cylinder thrust rods fixedly mounted between the inner side walls of the two mounting frames and the outer side walls of the double-chamber hydraulic cylinder, a steering motor fixedly mounted in the inner cavity of the mounting frame, a lifting device is provided, so that the height of the vehicle body underframe can be adjusted, and the passability of the vehicle is improved, a double-chamber hydraulic cylinder and a double-chamber hydraulic cylinder thrust rod are provided, and the wheelbase can be adjusted through the cooperation of the double-chamber hydraulic cylinder and the double-chamber hydraulic cylinder thrust rod, and the normal driving of the vehicle can be guaranteed under special working conditions. The present invention can be applicable to special vehicles and can save rescue time when performing some special tasks such as rescue.
Description
Technical Field
The invention relates to the technical field of vehicle chassis, in particular to an electric vehicle chassis system with adjustable wheel track and vehicle body height.
Background
Along with development of electric and intelligent automobiles, the functions of the automobiles are more and more powerful, and the multifunctional mobile robot can better meet the diversified demands of users. However, in the actual vehicle use process, the situation that if the front vehicle cannot run due to faults and the following distance is small in the following process is frequently encountered, traffic jam is easily caused, normal running is affected, and time is wasted. In addition, in the special weather of continuous rainfall, a great amount of accumulated water exists on the road surface, so that water inflow in the vehicle is easily caused, and more property loss is brought to the vehicle. It should be further noted that, when a traffic accident occurs, emergency rescue vehicles and equipment cannot reach the accident site effectively due to congestion caused by other vehicles on the road, so that the best rescue opportunity is delayed, and unnecessary casualties are caused. Aiming at the problems, an electric automobile chassis system with adjustable wheel track and adjustable automobile body height is provided.
Disclosure of Invention
The invention aims to provide an electric automobile chassis system with adjustable wheel track and adjustable automobile body height, so as to solve the problems in the background art.
The electric automobile chassis system comprises an automobile body chassis, wherein an installation seat is fixedly installed on the upper surface of the automobile body chassis, a double-cavity hydraulic cylinder is fixedly installed on the upper surface of the installation seat, moving grooves are symmetrically formed in the left side and the right side of the installation seat on the upper surface of the automobile body chassis, mounting frames are clamped in the moving grooves, sliding ways are symmetrically formed in the front side wall and the rear side wall of the moving grooves, sliding blocks are symmetrically welded on the front side wall and the rear side wall of the mounting frames, the sliding blocks are connected with the sliding ways in a sliding mode, a double-cavity hydraulic cylinder thrust rod is fixedly installed between the inner side walls of the two mounting frames and the outer side wall of the double-cavity hydraulic cylinder, a steering motor is fixedly installed in an inner cavity of the mounting frames, a speed reducer is fixedly installed at the output end of the steering motor, a lifting device is fixedly installed at the lower end of the speed reducer, return springs are fixedly installed between the inner side walls of the two mounting frames and the outer side walls of the double-cavity hydraulic cylinder, and the steering motor are electrically connected with a power supply.
Preferably, the lifting device comprises a connecting frame, the center of the upper side wall of the connecting frame is fixedly connected with the speed reducer, a single-cavity hydraulic cylinder thrust rod is welded at the center of the lower side wall of the connecting frame, a single-cavity hydraulic cylinder is sleeved at the bottom end of the single-cavity hydraulic cylinder thrust rod, a sleeve is sleeved at the outer side wall of the single-cavity hydraulic cylinder, and the single-gun hydraulic cylinder is electrically connected with an in-vehicle control power supply.
Preferably, the driving device comprises a connecting shaft, the connecting shaft is fixedly connected with the outer side wall of the sleeve, the outer side wall of the connecting shaft is fixedly provided with a hub motor, the outer side wall of the hub motor is sleeved with a tire, and the hub motor is electrically connected with an in-vehicle control power supply.
Preferably, a reinforcing rib is welded between the connecting shaft and the outer side wall of the sleeve.
Preferably, the hub motor comprises a stator, a rotor and a heat dissipation groove, wherein the stator is fixedly arranged on the outer side wall of the connecting shaft, the rotor is sleeved on the outer side wall of the stator, the heat dissipation groove is formed in the outer side wall of the connecting shaft, a heat dissipation rod is inserted into the center of the heat dissipation groove, the heat dissipation rod is inserted into an inner cavity of the stator, the outer side end of the rotor is inserted into the heat dissipation groove, and an air deflector is fixedly arranged at the outer side end of the rotor.
Preferably, the air deflector is uniformly distributed in the heat dissipation groove in a ring shape.
Compared with the prior art, the electric automobile chassis system with the adjustable wheel track and the adjustable automobile body height has the beneficial effects that the lifting device is arranged, so that the height of the automobile body chassis is adjustable, the trafficability of an automobile is improved, the double-cavity hydraulic cylinder and the double-cavity hydraulic cylinder thrust rod are arranged, the wheel track is adjustable through the matching of the double-cavity hydraulic cylinder and the double-cavity hydraulic cylinder thrust rod, the normal running of the automobile can be ensured under special working conditions, the electric automobile chassis system is suitable for special automobiles, and the rescue time can be saved when special tasks such as rescue and the like are carried out.
Drawings
Fig. 1 is a schematic structural view of a front axle of the present invention.
Fig. 2 is a detail view at a in fig. 1.
Fig. 3 is a left side view of the mount of the present invention.
FIG. 4 is a schematic view of the present invention after height adjustment.
Fig. 5 is a left side view of the heat sink of the present invention.
In the figure, 1, a vehicle body underframe, 2, an installation seat, 3, a double-cavity hydraulic cylinder, 4, a moving groove, 5, a mounting rack, 6, a slideway, 7, a sliding block, 8, a double-cavity hydraulic cylinder thrust rod, 9, a steering motor, 10, a speed reducer, 11, a lifting device, 11-1, a connecting frame, 11-2, a single-cavity hydraulic cylinder thrust rod, 11-3, a single-cavity hydraulic cylinder, 11-4, a sleeve, 12, a driving device, 12-1, a connecting shaft, 12-2, a hub motor, 12-2a, a stator, 12-2b, a rotor, 12-2c, a heat dissipation groove, 12-2d, a heat dissipation rod, 12-2e, an air deflector, 12-3, a tire, 13, a reinforcing rib, 14 and a return spring.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Referring to fig. 1, 3 and 4, the present invention provides a technical solution: according to the invention, a front wheel is taken as an example for explanation, the structure of a rear wheel is the same as that of the front wheel, an installation seat 2 is integrally formed on the upper surface of a vehicle body underframe 1, a double-cavity hydraulic cylinder 3 is welded on the upper surface of the installation seat 2, a moving groove 4 is symmetrically formed on the left side and the right side of the installation seat 2 on the upper surface of the vehicle body underframe 1, an installation frame 5 is clamped in the moving groove 4, a slideway 6 is symmetrically formed on the front side wall and the rear side wall of the moving groove 4, a sliding block 7 is symmetrically welded on the front side wall and the rear side wall of the installation frame 5, the sliding block 7 is in sliding connection with the slideway 6, after the installation frame 5 is subjected to the action of external force, the sliding block 7 is matched with the slideway 6, a double-cavity hydraulic cylinder thrust rod 8 is fixedly arranged between the inner side walls of the two installation frames 5 and the outer side wall of the double-cavity hydraulic cylinder 3, a return spring 14 is fixedly arranged between the inner side walls of the two installation frames 5 and the outer side wall of the double-cavity hydraulic cylinder 3, the return spring 14 enables the installation frame 5 to be quickly reset, a steering motor 9 is fixedly arranged on the inner cavity of the installation frame 5, an output end of the steering motor 9 is fixedly arranged, a speed reducer 10 is fixedly arranged on the output end of the steering motor 9, a power reducer 10 is fixedly arranged on the output end of the steering motor 10, the power reducer is fixedly arranged on the outer side of the power reducer 11 is driven by the power reducer 11, and the lifting device is fixedly arranged on the outer side 11, lifting device is driven by the lifting device 11, and the lifting device is driven by the lifting device is realized.
Specifically, the lifting device 11 comprises a connecting frame 11-1, the center of the upper side wall of the connecting frame 11-1 is fixedly connected with the speed reducer 10, a single-cavity hydraulic cylinder thrust rod 11-2 is welded at the center of the lower side wall of the connecting frame 11-1, a single-cavity hydraulic cylinder 11-3 is sleeved at the bottom end of the single-cavity hydraulic cylinder thrust rod 11-2, a sleeve 11-4 is sleeved at the outer side wall of the single-cavity hydraulic cylinder 11-3, and after the single-cavity hydraulic cylinder 11-3 provides pressure to the single-cavity hydraulic cylinder push rod 11-2, the single-cavity hydraulic cylinder push rod 11-2 can be lifted.
Specifically, the driving device 12 includes a connecting shaft 12-1, the connecting shaft 12-1 is welded on the outer side wall of the sleeve 11-4, the outer side wall of the connecting shaft 12-1 is fixedly provided with a hub motor 12-2, the outer side wall of the hub motor 12-2 is sleeved with a tire 12-3, the hub motor 12-2 provides power, and the vehicle body underframe 1 moves through the tire 12-3.
Specifically, a reinforcing rib 13 is welded between the connecting shaft 12-1 and the outer side wall of the sleeve 11-4, and the fixing strength of the connecting shaft 12-1 and the sleeve 11-4 is ensured by the reinforcing rib 13.
The invention has the working principle that the double-cavity hydraulic cylinder 3, the steering motor 9, the single-cavity hydraulic cylinder 11-3 and the hub motor 12-2 are electrically connected with a control system of the electric vehicle, the control system is used for controlling the double-cavity hydraulic cylinder, when the wheel tread and the height of the vehicle body are required to be adjusted, the steering motor 9 is firstly controlled to rotate (as shown in figure 4), the tires 12-3 are transversely arranged, the sliding friction is changed into rolling friction, the abrasion of the tires 12-3 is reduced, then the pressure of oil liquid is provided by the double-cavity hydraulic cylinder 3 is controlled, the mounting frame 5 slides in the moving groove 4, the tires 12-3 transversely move to the target position, the position of each special motor 9 is locked in a pressure maintaining mode by the double-cavity hydraulic cylinder 3, the wheel tread adjustment can be realized by controlling the hub motor 12-2, then the single-cavity hydraulic cylinder 11-3 is synchronously controlled, the lifting of the height of the chassis 1 is finished, and the electric vehicle can smoothly run at a low speed from the upper part of a common vehicle under special condition.
Example two
Referring to fig. 2 and 5, the present invention provides a technical scheme and an embodiment of a preferred embodiment, wherein the hub motor 12-2 includes a stator 12-2a, a rotor 12-2b, and a heat dissipation groove 12-2c, the stator 12-2a is fixedly mounted on an outer side wall of the connecting shaft 12-1, the outer side wall of the stator 12-2a is sleeved with the rotor 12-2b, a magnetic field is generated between the stator 12-2a and the rotor 12-2b, the rotor 12-2b rotates around the stator 12-2a, the heat dissipation groove 12-2c is opened on an outer side wall of the connecting shaft 12-1, a heat dissipation rod 12-2d is inserted in a center of the heat dissipation groove 12-2c, the heat dissipation rod 12-2d is made of a metal material, heat generated by the stator 12-2a is fully dissipated through the heat dissipation groove 12-2c, the heat dissipation rod 12-2d is inserted in an inner cavity of the stator 12-2a, the heat dissipation rod 12-2d can perform heat dissipation on the stator 12-2a, and the heat dissipation end of the rotor 12-2b is inserted into the outer side of the rotor 12-2b, and the heat dissipation end of the heat dissipation end is inserted into the rotor 12-2e.
The air deflectors 12-2e are uniformly distributed in the heat dissipation groove 12-2a in an annular shape, and when the rotor 12-2b rotates, the air deflectors 12-2e rotate along with the rotation, and the heat dissipation rods 12-2d are fully dissipated through the air deflectors 12-2e in the annular distribution, so that the heat dissipation rods 12-2d keep a lower temperature, and further the heat dissipation performance is better.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. The electric automobile chassis system with the adjustable wheel track and the adjustable automobile body height comprises an automobile body chassis (1), and is characterized in that an installation seat (2) is fixedly installed on the upper surface of the automobile body chassis (1), a double-cavity hydraulic cylinder (3) is fixedly installed on the upper surface of the installation seat (2), a moving groove (4) is symmetrically formed in the left side and the right side of the installation seat (2) on the upper surface of the automobile body chassis (1), an installation frame (5) is clamped in the moving groove (4), slide ways (6) are symmetrically formed in the front side wall and the rear side wall of the moving groove (4), sliding blocks (7) are symmetrically welded on the front side wall and the rear side wall of the installation frame (5), the sliding blocks (7) are in sliding connection with the slide ways (6), a double-cavity hydraulic cylinder thrust rod (8) is fixedly installed between the inner side wall of the installation frame (5) and the outer side wall of the double-cavity hydraulic cylinder (3), a speed reducer (10) is fixedly installed at the output end of the steering motor (9), a speed reducer (10) is fixedly installed at the inner cavity of the installation frame (5), a lifting device (11) is fixedly installed between the two lifting device and the outer side walls (12) of the lifting device and the lifting device (12) are fixedly installed on the outer side walls of the lifting device, the double-cavity hydraulic cylinder (3), the steering motor (9) and the speed reducer (10) are all electrically connected with an in-vehicle control power supply;
The lifting device (11) comprises a connecting frame (11-1), the center of the upper side wall of the connecting frame (11-1) is fixedly connected with a speed reducer (10), a single-cavity hydraulic cylinder thrust rod (11-2) is welded at the center of the lower side wall of the connecting frame (11-1), a single-cavity hydraulic cylinder (11-3) is sleeved at the bottom end of the single-cavity hydraulic cylinder thrust rod (11-2), a sleeve (11-4) is sleeved at the outer side wall of the single-cavity hydraulic cylinder (11-3), and the single-cavity hydraulic cylinder (11-3) is electrically connected with an in-vehicle control power supply;
The driving device (12) comprises a connecting shaft (12-1), the connecting shaft (12-1) is fixedly connected with the outer side wall of the sleeve (11-4), the outer side wall of the connecting shaft (12-1) is fixedly provided with a hub motor (12-2), the outer side wall of the hub motor (12-2) is sleeved with a tire (12-3), and the hub motor (12-2) is electrically connected with an in-vehicle control power supply;
The hub motor (12-2) comprises a stator (12-2 a), a rotor (12-2 b) and a heat dissipation groove (12-2 c), wherein the stator (12-2 a) is fixedly arranged on the outer side wall of the connecting shaft (12-1), the rotor (12-2 b) is sleeved on the outer side wall of the stator (12-2 a), the heat dissipation groove (12-2 c) is formed in the outer side wall of the connecting shaft (12-1), a heat dissipation rod (12-2 d) is inserted in the center of the heat dissipation groove (12-2 c), the heat dissipation rod (12-2 d) is inserted into the inner cavity of the stator (12-2 a), the outer side end of the rotor (12-2 b) is inserted into the heat dissipation groove (12-2 c), and an air deflector (12-2 e) is fixedly arranged at the outer side end of the rotor (12-2 b);
When the wheel track and the height of the vehicle body are required to be adjusted, the steering motor (9) is controlled to rotate, the tire (12-3) is transversely arranged, then the double-cavity hydraulic cylinder (3) is controlled to provide oil pressure, the mounting frame (5) slides in the moving groove (4), the tire (12-3) transversely moves to a target position, the position of each steering motor (9) is locked in a pressure maintaining mode of the double-cavity hydraulic cylinder (3), the wheel track can be adjusted by controlling the hub motor (12-2), and then the single-cavity hydraulic cylinder (11-3) is synchronously controlled, so that the single-cavity hydraulic cylinder thrust rod (11-2) is upwards, and the height of the vehicle body chassis (1) is lifted.
2. The electric automobile chassis system with adjustable wheel track and automobile body height according to claim 1, wherein a reinforcing rib (13) is welded between the connecting shaft (12-1) and the outer side wall of the sleeve (11-4).
3. The electric automobile chassis system with adjustable wheel track and automobile body height according to claim 2, wherein the air deflectors (12-2 e) are uniformly distributed in the radiating grooves (12-2 c) in a ring shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811429320.3A CN109278487B (en) | 2018-11-27 | 2018-11-27 | Electric automobile chassis system with adjustable wheel track and automobile body height |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811429320.3A CN109278487B (en) | 2018-11-27 | 2018-11-27 | Electric automobile chassis system with adjustable wheel track and automobile body height |
Publications (2)
| Publication Number | Publication Date |
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| CN109278487A CN109278487A (en) | 2019-01-29 |
| CN109278487B true CN109278487B (en) | 2024-11-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811429320.3A Active CN109278487B (en) | 2018-11-27 | 2018-11-27 | Electric automobile chassis system with adjustable wheel track and automobile body height |
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| CN (1) | CN109278487B (en) |
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| CN110154999A (en) * | 2019-05-30 | 2019-08-23 | 姚先同 | A retractable car chassis and a car using the chassis |
| CN110758011A (en) * | 2019-10-31 | 2020-02-07 | 徐州筑之邦工程机械有限公司 | Wheel track adjustable electric power carriage of mining truck |
| CN111196309A (en) * | 2020-01-20 | 2020-05-26 | 山东交通学院 | A wheel base adjustable carrier platform |
| CN113352291B (en) * | 2020-03-06 | 2022-06-24 | 广东博智林机器人有限公司 | Mobile chassis and robot |
| CN113335010B (en) * | 2021-06-29 | 2022-03-18 | 东风汽车集团股份有限公司 | Wheel base control device and wheel base control method based on torsion beam suspension |
| CN115892154A (en) * | 2022-11-22 | 2023-04-04 | 德州黄河建业工程有限责任公司齐河分公司 | Tool moving vehicle for slope tree maintenance of embankment engineering |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN109278487A (en) | 2019-01-29 |
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