CN217804315U - A slide chassis for unmanned - Google Patents
A slide chassis for unmanned Download PDFInfo
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- CN217804315U CN217804315U CN202222319517.XU CN202222319517U CN217804315U CN 217804315 U CN217804315 U CN 217804315U CN 202222319517 U CN202222319517 U CN 202222319517U CN 217804315 U CN217804315 U CN 217804315U
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- rocker arm
- frame assembly
- wire system
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- 239000000725 suspension Substances 0.000 claims abstract description 23
- 239000006096 absorbing agent Substances 0.000 claims description 14
- 230000035939 shock Effects 0.000 claims description 14
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of a drive-by-wire chassis, and discloses a skateboard chassis for unmanned driving, which comprises a frame assembly, a driving system, at least one set of drive-by-wire steering system and at least one set of drive-by-wire braking system; the driving system comprises four driving modules which are respectively arranged on two sides of a frame assembly, each driving module comprises a suspension component, a wheel and a hub motor, the hub motors are fixedly arranged on the suspension components, the wheels are arranged on the hub motors, and the suspension components are detachably arranged on the frame assembly; the steer-by-wire system is detachably arranged at one end of the frame assembly and is connected with the two oppositely arranged suspension components; the brake-by-wire system is detachably arranged at one end of the frame assembly and is connected with the four wheels. The utility model discloses a frame assembly, the system of traveling, steer-by-wire system and brake-by-wire system modularization are strong, and equipment convenient and fast has effectively reduced the equipment debug time on whole chassis.
Description
Technical Field
The utility model relates to a drive-by-wire chassis technical field especially relates to a slide chassis for unmanned driving.
Background
With the rapid development of vehicle-mounted networks and microprocessors, various vehicle dynamics control systems develop towards low cost, multiple functions, intelligence, networking and integration, the integrated control of a drive-by-wire chassis is a future development trend, the unmanned function of the chassis is realized, most importantly, the execution mechanism of the chassis is upgraded from traditional mechanical or hydraulic drive to bus control, namely, the drive-by-wire technology adopts the electrical signal connection between control units to control and drive the execution mechanism, the traditional mechanical or hydraulic drive is replaced, and the drive-by-wire technology can save a plurality of mechanical components for automobiles, reduce the weight of the automobile body and save energy consumption.
Chinese utility model patent with publication number CN214607053U discloses a pure electric vehicle drive-by-wire chassis arrangement structure, including frame, low pressure module, high-pressure module and power battery module, wherein, the frame includes: the low-voltage module is mounted in the front frame assembly, the power battery module is mounted in the middle frame assembly, the high-voltage module is mounted in the rear frame assembly, and the mounting height of the power battery module is smaller than that of the low-voltage module and that of the high-voltage module; the utility model provides a do not have the problem on small-size electricelectric motor car drive-by-wire chassis among the prior art, and arrange the chassis into middle low both ends height, the effectual bottom plate height that has reduced has realized the one-level function of marking time.
However, each module structure of the pure electric vehicle drive-by-wire chassis arrangement structure is complex, independence between modules is not strong, so that assembly is inconvenient, and time and labor are wasted in chassis assembly and debugging.
SUMMERY OF THE UTILITY MODEL
The utility model provides a strong, equipment convenient and fast's a slide chassis for unmanned driving of modularization.
The technical problem to be solved is: the existing wire control chassis has the defects that each module structure is complex, the independence between modules is not strong, the assembly is inconvenient, and the assembly and the debugging of the chassis are time-consuming and labor-consuming.
In order to solve the technical problem, the utility model adopts the following technical scheme:
a skateboard chassis for unmanned driving comprises a frame assembly, a driving system, at least one set of steer-by-wire system and at least one set of brake-by-wire system; wherein,
the driving system comprises four driving modules which are respectively arranged on two sides of the frame assembly, each driving module comprises a suspension component, a wheel and a hub motor, the hub motors are fixedly arranged on the suspension components, the wheels are arranged on the hub motors, and the suspension components are detachably arranged on the frame assembly;
the steer-by-wire system is detachably arranged at one end of the frame assembly and is connected with the two oppositely arranged suspension components;
the brake-by-wire system is detachably arranged at one end of the frame assembly and is connected with four wheels.
Further, the suspension assembly comprises an upper rocker arm, a lower rocker arm, a rocker arm mounting plate, a shock absorber and a steering knuckle;
the upper rocker arm and the lower rocker arm are arranged oppositely from top to bottom, the rocker arm mounting plate is longitudinally arranged between the upper rocker arm and one end of the lower rocker arm, one end of the upper rocker arm and one end of the lower rocker arm are respectively and rotatably connected to the top and the bottom of the rocker arm mounting plate, the steering knuckle is rotatably connected between the upper rocker arm and the other end of the lower rocker arm through a ball head, one end of the shock absorber is rotatably connected to the middle part of the lower rocker arm, and the other end of the shock absorber is rotatably connected to the top of the rocker arm mounting plate;
the hub motor is fixedly arranged on the steering knuckle;
the steer-by-wire system is connected with the steering knuckle;
the rocker arm mounting plate is fixedly connected to the frame assembly through bolts.
Further, the top and the bottom of the rocker arm mounting plate are provided with connecting seats, coaxial connecting holes penetrate through the connecting seats, the upper rocker arm, the lower rocker arm and the shock absorber are rotatably mounted in the connecting seats through pin shafts respectively, and the pin shafts are rotatably arranged in the connecting holes in a penetrating manner.
Furthermore, the upper rocker arm and the lower rocker arm are both triangular plate-shaped structures, connecting sleeves are arranged on two sides of the bottom edge of the upper rocker arm and two sides of the bottom edge of the lower rocker arm, and the connecting sleeves are sleeved on the pin shafts.
Furthermore, the middle part of the lower rocker arm is provided with a mounting hole, and the bottom of the shock absorber is rotatably mounted in the mounting hole through a pin shaft.
Furthermore, a first connecting part connected with the ball head is arranged at the vertex angle of the upper rocker arm, and the first connecting part is bent downwards relative to the upper rocker arm plate surface by a set angle;
the top angle of the lower rocker arm is provided with a second connecting part connected with the ball head, and the second connecting part is bent upwards for a set angle relative to the surface of the lower rocker arm.
Further, the steer-by-wire system is a steer-by-wire machine.
Further, the brake-by-wire system is a hydraulic brake-by-wire system.
Compared with the prior art, the utility model, following beneficial effect has:
the utility model discloses a frame assembly, the system of traveling, steer-by-wire system and brake-by-wire system modularization are strong, and equipment convenient and fast has effectively reduced the equipment debug time on whole chassis. Meanwhile, after the running system, the steer-by-wire system or the brake-by-wire system breaks down, the vehicle frame assembly is convenient to disassemble, maintain or replace, and the maintenance cost of the chassis of the sliding plate is effectively reduced.
Drawings
Fig. 1 is a first schematic structural diagram of a skateboard chassis for unmanned driving according to the present invention;
FIG. 2 is a schematic structural diagram of a skateboard chassis for unmanned driving according to the present invention;
FIG. 3 is a schematic structural view of a suspension assembly;
fig. 4 is a schematic view of a connection structure of the suspension assembly and the steer-by-wire system.
Detailed Description
The following description of the embodiments of the present invention will be described in more detail with reference to the drawings. The advantages and features of the present invention will become more apparent from the following description. It should be noted that the drawings are in simplified form and are not to precise scale, and are provided for convenience and clarity in order to facilitate the description of the embodiments of the present invention.
As shown in fig. 1 and fig. 2, the utility model discloses a skateboard chassis for unmanned driving, including frame assembly 1, the system of traveling, at least one set of steer-by-wire system 2 and at least one set of brake-by-wire system 3. The running system comprises four running modules 4 which are respectively arranged on two sides of the frame assembly 1. The traveling module 4 comprises a suspension component, a wheel 5 and a hub motor 6, the hub motor 6 is fixedly mounted on the suspension component, the wheel 5 is mounted on the hub motor 6, and the suspension component is detachably mounted on the frame assembly 1.
Specifically, as shown in fig. 3, the suspension assembly includes an upper rocker arm 7, a lower rocker arm 8, a rocker arm mounting plate 9, a shock absorber 10, and a knuckle 11. Go up rocking arm 7 and lower rocking arm 8 relative up-down setting, rocking arm mounting panel 9 vertically sets up between the one end of last rocking arm 7 and lower rocking arm 8, and the one end of going up rocking arm 7 and the one end of lower rocking arm 8 rotate respectively and connect in the top and the bottom of rocking arm mounting panel 9, and knuckle 11 rotates through bulb 12 and connects between the other end of last rocking arm 7 and lower rocking arm 8, and the one end of bumper shock absorber 10 rotates and connects in the middle part of lower rocking arm 8, the other end rotates and connects at rocking arm mounting panel 9 top. The hub motor 6 is fixedly mounted on the knuckle 11.
The rocker mounting plate 9 is fixedly connected to the frame assembly 1 through bolts, so that the whole traveling module 4 is mounted on the frame assembly 1, and when the traveling module 4 is to be disassembled and maintained, the bolts on the rocker mounting plate 9 are required to be unscrewed.
Specifically, the top and the bottom of the rocker arm mounting plate 9 are provided with connecting seats 13, coaxial connecting holes are arranged in the connecting seats 13 in a penetrating mode, the upper rocker arm 7, the lower rocker arm 8 and the shock absorber 10 are respectively installed in the connecting seats 13 through pin shafts in a rotating mode, and the pin shafts are arranged in the connecting holes in a rotating mode.
The whole rocker arm mounting plate 9 is manufactured by integrally forming a die, the respective coaxiality of the upper connecting hole and the lower connecting hole is ensured, the pin shaft cannot be bent after being inserted into the connecting holes, and the strength of the pin shaft is ensured.
In order to reduce the volume of the whole suspension assembly and facilitate the installation and the disassembly operation, the upper rocker arm 7 and the lower rocker arm 8 are designed to be of triangular plate-shaped structures, connecting sleeves 15 are arranged on two sides of the bottom edge of the upper rocker arm 7 and two sides of the bottom edge of the lower rocker arm 8, and the connecting sleeves 15 are sleeved on the pin shaft and rotate up and down around the pin shaft. The middle part of the lower rocker arm 8 is provided with a mounting hole 16, and the bottom of the shock absorber 10 is rotatably mounted in the mounting hole 16 through a pin shaft.
Further, a first connecting portion 17 connected with the ball head 12 is arranged at the top corner of the upper rocker arm 7, the first connecting portion 17 is bent downward relative to the plate surface of the upper rocker arm 7 by a set angle, and in the embodiment, the bending angle of the first connecting portion 17 is 16 °. The top corner of the lower rocker arm 8 is provided with a second connecting part 18 connected with the ball head 12, and the second connecting part 18 is bent upwards by a set angle relative to the surface of the lower rocker arm 8, and in the embodiment, the bending angle of the second connecting part 18 is 16 degrees. By the design, the ball head 12 can be always kept under vertical stress in the running process of the vehicle, the radial impact exerted by the upper rocker arm 7 and the lower rocker arm 8 is small, and the structural strength of the ball head 12 is guaranteed.
In this embodiment, the steer-by-wire system 2 is an existing steer-by-wire machine, and the whole steer-by-wire system 2 is detachably disposed at one end of the frame assembly 1 through a bolt. The steer-by-wire system 2 is connected with two oppositely arranged suspension assemblies, specifically, as shown in fig. 4, a pull rod 19 of the steer-by-wire system 2 is rotatably connected with a knuckle 11 of the suspension assembly, and the knuckle 11 is pulled to rotate around the ball 12 by the pull rod 19, so that steering is completed.
In this embodiment, the brake-by-wire system 3 is an existing hydraulic brake-by-wire system. The brake-by-wire system 3 is detachably disposed at one end of the frame assembly 1 through bolts, as shown in fig. 2, and four brake discs 20 of the brake-by-wire system 3 are respectively connected with four wheels 5 for braking the wheels 5.
To sum up, the utility model discloses a frame assembly, the system of traveling, steer-by-wire system and brake-by-wire system modularization are strong, and equipment convenient and fast has effectively reduced the equipment debug time on whole chassis. Meanwhile, after the running system, the steer-by-wire system or the brake-by-wire system breaks down, the vehicle frame assembly can be conveniently detached for maintenance or replaced, and the maintenance cost of the chassis of the sliding plate is effectively reduced.
Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art will understand that the present invention can be modified or replaced with other embodiments without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims. The technology, shape and construction parts which are not described in detail in the present invention are all known technology.
Claims (8)
1. A skateboard chassis for unmanned driving, characterized by: the system comprises a frame assembly (1), a running system, at least one set of steer-by-wire system (2) and at least one set of brake-by-wire system (3); wherein,
the driving system comprises four driving modules (4) which are respectively arranged on two sides of the frame assembly (1), each driving module (4) comprises a suspension component, a wheel (5) and a hub motor (6), the hub motor (6) is fixedly arranged on the suspension component, the wheel (5) is arranged on the hub motor (6), and the suspension components are detachably arranged on the frame assembly (1);
the steer-by-wire system (2) is detachably arranged at one end of the frame assembly (1), and the steer-by-wire system (2) is connected with two oppositely arranged suspension components;
the brake-by-wire system (3) is detachably arranged at one end of the frame assembly (1), and the brake-by-wire system (3) is connected with four wheels (5).
2. A skateboard chassis for unmanned aerial vehicle according to claim 1, wherein: the suspension assembly comprises an upper rocker arm (7), a lower rocker arm (8), a rocker arm mounting plate (9), a shock absorber (10) and a steering knuckle (11);
the upper rocker arm (7) and the lower rocker arm (8) are arranged oppositely from top to bottom, the rocker arm mounting plate (9) is longitudinally arranged between the upper rocker arm (7) and one end of the lower rocker arm (8), one end of the upper rocker arm (7) and one end of the lower rocker arm (8) are respectively and rotatably connected to the top and the bottom of the rocker arm mounting plate (9), the steering knuckle (11) is rotatably connected between the upper rocker arm (7) and the other end of the lower rocker arm (8) through a ball head (12), one end of the shock absorber (10) is rotatably connected to the middle of the lower rocker arm (8), and the other end of the shock absorber is rotatably connected to the top of the rocker arm mounting plate (9);
the hub motor (6) is fixedly arranged on the steering knuckle (11);
the steer-by-wire system (2) is connected with the steering knuckle (11);
the rocker arm mounting plate (9) is fixedly connected to the frame assembly (1) through bolts.
3. A skateboard chassis for unmanned aerial vehicle according to claim 2, wherein: the rocker arm mounting plate is characterized in that connecting seats (13) are arranged at the top and the bottom of the rocker arm mounting plate (9), coaxial connecting holes are formed in the connecting seats (13) in a penetrating mode, the upper rocker arm (7), the lower rocker arm (8) and the shock absorber (10) are respectively installed in the connecting seats (13) in a rotating mode through pin shafts, and the pin shafts are arranged in the connecting holes in a rotating mode.
4. A skateboard chassis for unmanned aerial vehicle according to claim 3, wherein: go up rocking arm (7) and lower rocking arm (8) and all be triangle-shaped platelike structure, the base both sides of going up rocking arm (7) and the base both sides of lower rocking arm (8) all are provided with adapter sleeve (15), adapter sleeve (15) cover is established on the round pin axle.
5. A skateboard chassis for unmanned aerial vehicle according to claim 4, wherein: the middle part of the lower rocker arm (8) is provided with a mounting hole (16), and the bottom of the shock absorber (10) is rotatably mounted in the mounting hole (16) through a pin shaft.
6. A skateboard chassis for unmanned aerial vehicle according to claim 4, wherein: a first connecting part (17) connected with the ball head (12) is arranged at the top corner of the upper rocker arm (7), and the first connecting part (17) is bent downwards relative to the plate surface of the upper rocker arm (7) by a set angle;
the vertex angle of the lower rocker arm (8) is provided with a second connecting part (18) connected with the ball head (12), and the second connecting part (18) is bent upwards for a set angle relative to the surface of the lower rocker arm (8).
7. A skateboard chassis for unmanned aerial vehicle according to claim 1, wherein: the steer-by-wire system (2) is a steer-by-wire machine.
8. A skateboard chassis for unmanned aerial vehicle according to claim 1, wherein: the brake-by-wire system (3) is a hydraulic brake-by-wire system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222319517.XU CN217804315U (en) | 2022-08-31 | 2022-08-31 | A slide chassis for unmanned |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222319517.XU CN217804315U (en) | 2022-08-31 | 2022-08-31 | A slide chassis for unmanned |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217804315U true CN217804315U (en) | 2022-11-15 |
Family
ID=83976673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222319517.XU Active CN217804315U (en) | 2022-08-31 | 2022-08-31 | A slide chassis for unmanned |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217804315U (en) |
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2022
- 2022-08-31 CN CN202222319517.XU patent/CN217804315U/en active Active
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