CN114435047A - Independent suspension system of unmanned vehicle - Google Patents
Independent suspension system of unmanned vehicle Download PDFInfo
- Publication number
- CN114435047A CN114435047A CN202011233380.5A CN202011233380A CN114435047A CN 114435047 A CN114435047 A CN 114435047A CN 202011233380 A CN202011233380 A CN 202011233380A CN 114435047 A CN114435047 A CN 114435047A
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- CN
- China
- Prior art keywords
- rocker arm
- chassis
- hinged
- unmanned vehicle
- mounting seat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G3/00—Resilient suspensions for a single wheel
- B60G3/18—Resilient suspensions for a single wheel with two or more pivoted arms, e.g. parallelogram
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G13/00—Resilient suspensions characterised by arrangement, location or type of vibration dampers
- B60G13/02—Resilient suspensions characterised by arrangement, location or type of vibration dampers having dampers dissipating energy, e.g. frictionally
- B60G13/04—Resilient suspensions characterised by arrangement, location or type of vibration dampers having dampers dissipating energy, e.g. frictionally mechanically, e.g. having frictionally-engaging springs as damping elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
Abstract
The invention discloses an independent suspension system of an unmanned vehicle, which comprises a chassis, a motor assembly, a suspension assembly and a tire assembly, wherein the chassis is provided with a suspension bracket; the motor assembly comprises a driving motor, a motor shaft and a universal joint, the driving motor is arranged in the chassis, and one end of the universal joint is connected with the motor shaft; the suspension assembly comprises an upper rocker arm, a lower rocker arm and a rocker arm bracket, one ends of the upper rocker arm and the lower rocker arm are hinged on the chassis in parallel, the other ends of the upper rocker arm and the lower rocker arm are respectively hinged on the rocker arm bracket, the upper rocker arm and the lower rocker arm are parallel to each other, and the middle part of the rocker arm bracket is provided with a mounting opening; the tire assembly is rotatably disposed in the mounting opening and is connected to the universal joint. The stress of the tire assembly can be more uniformly transferred to the rocker arm bracket, the upper rocker arm and the lower rocker arm and then better dispersed into the chassis, so that the stress performance of the suspension assembly is improved, and the use safety of the suspension assembly is further improved.
Description
Technical Field
The invention relates to the technical field of unmanned vehicles, in particular to an independent suspension system of an unmanned vehicle.
Background
The suspension system of the unmanned vehicle is a general name of all force transmission connecting devices between a chassis and wheels of the unmanned vehicle, has the functions of transmitting force and moment acting between the chassis and the wheels, buffering impact force transmitted to the chassis from an uneven road surface and attenuating vibration caused by the impact force so as to ensure smooth running of the unmanned vehicle, and many existing unmanned vehicles adopt independent suspension systems so as to realize the omnidirectional steering running function of the unmanned vehicle and greatly improve the maneuvering performance and controllability of the unmanned vehicle.
At present, the suspension system of unmanned vehicle is mostly for considering its self stability, shock attenuation and nimble degree and constantly innovate and improve the suspension, but often neglected the erection joint between suspension system and the chassis, and unmanned vehicle is at the in-process of traveling, because suspension system atress is uneven, can't disperse suspension system atress to the chassis better to lead to suspension system to appear very easily when using damaging or take place abnormal phenomenon, make suspension system's use have higher potential safety hazard.
Disclosure of Invention
The invention aims to provide an independent suspension system of an unmanned vehicle, which can better disperse the stress of a suspension assembly to a chassis and improve the use safety of the suspension assembly.
In order to achieve the purpose, the invention adopts the following technical scheme:
an unmanned vehicle independent suspension system comprises a chassis, a motor assembly, a suspension assembly and a tire assembly;
the motor assembly comprises a driving motor, a motor shaft and a universal joint, the driving motor is arranged in the chassis, and one end of the universal joint is connected with the motor shaft;
the suspension assembly comprises an upper rocker arm, a lower rocker arm and a rocker arm bracket, one ends of the upper rocker arm and the lower rocker arm are hinged to the chassis in parallel, the other ends of the upper rocker arm and the lower rocker arm are hinged to the rocker arm bracket respectively, the upper rocker arm and the lower rocker arm are parallel to each other, and the middle part of the rocker arm bracket is provided with an installation opening;
the tire assembly is rotatably arranged in the mounting opening and is connected with the universal joint.
Furthermore, the suspension assembly further comprises an upper mounting seat and a lower mounting seat, the upper mounting seat and the lower mounting seat are fixedly arranged on the chassis in parallel, and one ends of the upper rocker arm and the lower rocker arm are hinged in the upper mounting seat and the lower mounting seat respectively.
Furthermore, the rocker arm bracket is H-shaped, and the other ends of the upper rocker arm and the lower rocker arm are respectively hinged to the upper end and the lower end of the rocker arm bracket.
Furthermore, the upper rocker arm and the lower rocker arm are both plate-shaped, and the middle parts of the upper rocker arm and the lower rocker arm are hollow.
Further, still include spring shock absorber, the side downwardly extending of lower rocking arm is formed with the installation department, spring shock absorber's one end articulate in on the chassis, the other end articulate in on the installation department.
Furthermore, the upper rocker arm and the lower rocker arm are hinged to the upper mounting seat, the lower mounting seat and the rocker arm support through polished rod bolts, and the spring shock absorber is hinged to the base plate and the mounting portion through polished rod bolts.
Further, the tire assembly comprises a wheel shaft, a wheel hub and a tire, the wheel shaft penetrates through the mounting hole through a bearing and is connected with the universal joint, the wheel hub is fixedly arranged on the wheel shaft, and the tire is mounted on the wheel hub.
After adopting the technical scheme, compared with the background technology, the invention has the following advantages:
1. according to the invention, the tire assembly is arranged in the mounting opening in the middle of the rocker arm support, the rocker arm support is hinged on the chassis through the upper rocker arm and the lower rocker arm which are parallel to each other, and the stress of the tire assembly is more uniformly transmitted to the rocker arm support, the upper rocker arm and the lower rocker arm and then better dispersed into the chassis, so that the stress performance of the suspension component is improved, and the use safety of the suspension component is further improved.
2. According to the invention, the spring shock absorber is arranged between the chassis and the lower rocker arm, so that the vibration and impact of a road surface on the unmanned vehicle are reduced through the spring shock absorber, the running stability of the unmanned vehicle is improved, and the unmanned vehicle can better adapt to complex road conditions.
3. The upper rocker arm, the lower rocker arm and the spring shock absorber are hinged through the polished rod bolt, and the polished rod bolt belongs to a standard part, so that the strength requirement of mounting of a suspension assembly can be met, and the production cost of the whole vehicle can be reduced.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a partial schematic view of the present invention;
FIG. 3 is a second partial schematic view of the present invention;
FIG. 4 is an exploded view of FIG. 3;
FIG. 5 is a perspective view of one of the suspension assemblies of the present invention;
fig. 6 is a second perspective view of the suspension assembly of the present invention.
Description of reference numerals:
a chassis 100;
a suspension assembly 300, an upper rocker arm 310, a lower rocker arm 320, a mounting part 321, a rocker arm bracket 330, a mounting opening 331, an upper mounting seat 340 and a lower mounting seat 350;
a spring damper 500;
polished rod bolt 600.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the present invention, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are all based on the orientation or positional relationship shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the apparatus or element of the present invention must have a specific orientation, and thus, should not be construed as limiting the present invention.
Examples
Referring to fig. 1, the present invention discloses an independent suspension system for an unmanned vehicle, which comprises a chassis 100, a motor assembly 200, a suspension assembly 300, a tire assembly 400 and a spring damper 500.
Referring to fig. 1, 2 and 4, the motor assembly 200 includes a driving motor 210, a motor shaft (not shown) and a universal joint 220, the driving motor 210 is installed in the chassis 100, one end of the universal joint 220 is connected to the motor shaft, and the universal joint 220 is made by the prior art, so the detailed structure thereof is not described in detail in the present invention. In this embodiment, the universal joint 220 is connected with the motor shaft by the flat key 230, and the universal joint 220 can axially slide on the motor shaft, so that the universal joint 220 can perform fine adjustment along with the swinging of the suspension assembly 300 during the driving of the whole vehicle, so as to avoid the interference between the upper rocker arm 310 and the lower rocker arm 320 and the chassis 100.
As shown in fig. 2 to 6, the suspension assembly 300 includes an upper swing arm 310, a lower swing arm 320 and a swing arm support 330, wherein one end of the upper swing arm 310 and one end of the lower swing arm 320 are hinged to the chassis 100 in parallel, the other end of the upper swing arm 310 and the other end of the lower swing arm 320 are hinged to the swing arm support 330, the upper swing arm 310 and the lower swing arm 320 are parallel to each other, and a mounting opening 331 is formed in the middle of the swing arm support 330.
The suspension assembly 300 further comprises an upper mounting seat 340 and a lower mounting seat 350, the upper mounting seat 340 and the lower mounting seat 350 are fixedly arranged on the chassis 100 in parallel, and one end of the upper rocker arm 310 and one end of the lower rocker arm 320 are respectively hinged in the upper mounting seat 340 and the lower mounting seat 350. In this embodiment, the rocker arm bracket 330 is H-shaped, the other ends of the upper rocker arm 310 and the lower rocker arm 320 are respectively hinged to the upper end and the lower end of the rocker arm bracket 330, the upper rocker arm 310 and the lower rocker arm 320 are both plate-shaped, the middle parts of the upper rocker arm 310 and the lower rocker arm 320 are hollow, and the weight of the upper rocker arm 310 and the lower rocker arm 320 is light, so that the whole unmanned vehicle is lighter.
The tire assembly 400 is rotatably disposed in the mounting opening 331, in this embodiment, the tire assembly 400 includes an axle 410, a hub 420 and a tire 430, the axle 410 is disposed in the mounting opening 331 through a bearing and connected to the universal joint 220, the hub 420 is fixed on the axle 410, and the tire 430 is mounted on the hub 420.
The side of the lower swing arm 320 extends downward to form a mounting portion 321, one end of the spring damper 500 is hinged to the chassis 100, and the other end is hinged to the mounting portion 321. The vibration and the impact of the road surface to the unmanned vehicle are reduced through the spring shock absorber 500, the running stability of the unmanned vehicle is improved, and the unmanned vehicle can be better adapted to the complex road surface condition.
In this embodiment, the upper rocker arm 310 and the lower rocker arm 320 are hinged to the upper mounting base 340, the lower mounting base 350 and the rocker arm bracket 330 by a polished rod bolt 600, and the spring damper 500 is hinged to the chassis 100 and the mounting portion 321 by the polished rod bolt 600. Because polished rod bolt 600 belongs to the standard part, it can satisfy the intensity requirement of suspension subassembly 300 installation, also can reduce the manufacturing cost of whole car.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (7)
1. The utility model provides an unmanned vehicle independent suspension which characterized in that: comprises a chassis, a motor assembly, a suspension assembly and a tire assembly;
the motor assembly comprises a driving motor, a motor shaft and a universal joint, the driving motor is arranged in the chassis, and one end of the universal joint is connected with the motor shaft;
the suspension assembly comprises an upper rocker arm, a lower rocker arm and a rocker arm bracket, one ends of the upper rocker arm and the lower rocker arm are hinged to the chassis in parallel, the other ends of the upper rocker arm and the lower rocker arm are hinged to the rocker arm bracket respectively, the upper rocker arm and the lower rocker arm are parallel to each other, and the middle part of the rocker arm bracket is provided with a mounting opening;
the tire assembly is rotatably arranged in the mounting opening and is connected with the universal joint.
2. The unmanned vehicle independent suspension system of claim 1, wherein: the suspension assembly further comprises an upper mounting seat and a lower mounting seat, the upper mounting seat and the lower mounting seat are fixedly arranged on the chassis in parallel, and one ends of the upper rocker arm and the lower rocker arm are hinged to the upper mounting seat and the lower mounting seat respectively.
3. An unmanned vehicle independent suspension system as claimed in claim 2 wherein: the rocker arm bracket is H-shaped, and the other ends of the upper rocker arm and the lower rocker arm are respectively hinged to the upper end and the lower end of the rocker arm bracket.
4. An unmanned vehicle independent suspension system as claimed in claim 3 wherein: the upper rocker arm and the lower rocker arm are both plate-shaped, and the middle parts of the upper rocker arm and the lower rocker arm are hollow.
5. An unmanned vehicle independent suspension system as claimed in claim 3 wherein: the side edge of the lower rocker arm extends downwards to form an installation part, one end of the spring shock absorber is hinged to the chassis, and the other end of the spring shock absorber is hinged to the installation part.
6. An unmanned vehicle independent suspension system as claimed in claim 5 wherein: the upper rocker arm and the lower rocker arm are hinged to the upper mounting seat, the lower mounting seat and the rocker arm support through polished rod bolts, and the spring shock absorber is hinged to the chassis and the mounting part through polished rod bolts.
7. The unmanned vehicle independent suspension system of claim 1, wherein: the tire assembly comprises a wheel shaft, a wheel hub and a tire, wherein the wheel shaft penetrates through the mounting hole through a bearing and is connected with the universal joint, the wheel hub is fixedly arranged on the wheel shaft, and the tire is arranged on the wheel hub.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011233380.5A CN114435047A (en) | 2020-11-06 | 2020-11-06 | Independent suspension system of unmanned vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011233380.5A CN114435047A (en) | 2020-11-06 | 2020-11-06 | Independent suspension system of unmanned vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114435047A true CN114435047A (en) | 2022-05-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011233380.5A Pending CN114435047A (en) | 2020-11-06 | 2020-11-06 | Independent suspension system of unmanned vehicle |
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| CN (1) | CN114435047A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116373812A (en) * | 2023-05-29 | 2023-07-04 | 四川永森航空材料科技有限公司 | Automatic train derailment braking device and braking method |
-
2020
- 2020-11-06 CN CN202011233380.5A patent/CN114435047A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116373812A (en) * | 2023-05-29 | 2023-07-04 | 四川永森航空材料科技有限公司 | Automatic train derailment braking device and braking method |
| CN116373812B (en) * | 2023-05-29 | 2023-09-05 | 四川永森航空材料科技有限公司 | Automatic train derailment braking device and braking method |
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