CN214277417U - Drive-by-wire steering system testing arrangement - Google Patents
Drive-by-wire steering system testing arrangement Download PDFInfo
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- CN214277417U CN214277417U CN202023292873.4U CN202023292873U CN214277417U CN 214277417 U CN214277417 U CN 214277417U CN 202023292873 U CN202023292873 U CN 202023292873U CN 214277417 U CN214277417 U CN 214277417U
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Abstract
The utility model belongs to the technical field of steer-by-wire, specifically be a steer-by-wire system testing arrangement, comprises a workbench, the workstation includes mounting platform, base, many mounting holes, connecting plate, mounting platform's lower surface front portion and rear portion are all installed the base, mounting platform's inside is opened there are many mounting holes, mounting platform's upper surface rear portion is installed the connecting plate still includes the first fixed establishment who is used for fixed steer-by-wire simulator, first fixed establishment includes fixed plate, mounting bracket, steer-by-wire simulator anchor clamps support, steer-by-wire simulator anchor clamps, the mounting bracket passes through many mounting holes are fixed mounting platform's upper surface one side. The utility model provides a drive-by-wire steering's functional test demand. On the premise of meeting the adjustable load, the development cost and the development period are greatly reduced; meanwhile, the installation is convenient, and the operation is simple.
Description
Technical Field
The utility model belongs to the technical field of the steer-by-wire, specifically relate to a steer-by-wire system testing arrangement.
Background
With the development of automobile technology, many of the conventional mechanical systems are replaced by electronic control systems. The same is true of the steering systems of automobiles, which have undergone mechanical, hydraulic, electro-hydraulic and electric power assistance, and have now begun to evolve into the field of steer-by-wire.
The steer-by-wire technology is the latest technology in the development of an automobile steering system, a steering wheel of the steer-by-wire system is connected with a steering actuator through a control signal, and the limitation of a fixed transmission ratio caused by mechanical linkage between the steering wheel and the steering actuator is eliminated; and meanwhile, more possibilities are provided for automatic driving. However, as the steer-by-wire technology is an emerging technology, a testing device designed for steer-by-wire is relatively lacked at present. Meanwhile, a traditional device load system generally adopts an electric cylinder or a load spring: the electric cylinder can adjust the load as required, but the development period is long, the development cost is high, and the use and operation are complex; and although the load spring is low in cost, the load can not be adjusted, the mounting requirement of the rack is high, and potential safety hazards exist in the using process.
It is noted that the information disclosed in this background section of the invention is only for enhancement of understanding of the general background of the invention, and should not be taken as an acknowledgement or any form of suggestion that this information constitutes prior art already known to a person skilled in the art.
Disclosure of Invention
For solving the problem that exists among the prior art, the utility model provides a drive-by-wire steering's functional test demand. On the premise of meeting the adjustable load, the development cost and the development period are greatly reduced; meanwhile, the installation is convenient, and the operation is simple.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a test device for a steer-by-wire system comprises a workbench, wherein the workbench comprises a mounting platform, a base, a plurality of mounting holes and a connecting plate, the base is mounted on the front portion and the rear portion of the lower surface of the mounting platform, the plurality of mounting holes are formed in the mounting platform, the connecting plate is mounted on the rear portion of the upper surface of the mounting platform, the test device further comprises a first fixing mechanism for fixing a steer-by-wire simulator, the first fixing mechanism comprises a fixing plate, a mounting frame, a steer-by-wire simulator clamp bracket and a steer-by-wire simulator clamp, the mounting frame is fixed on one side of the upper surface of the mounting platform through the plurality of mounting holes, the fixing plate is connected to the lower portion of the mounting frame through bolts, the steer-by-wire simulator clamp bracket is connected to the rear portion of the upper surface of the fixing plate through bolts, the steer-by-wire simulator clamp bracket is mounted on the steer-by-wire simulator clamp bracket, workstation upper surface one side rear portion is provided with second fixed establishment, second fixed establishment including turn to the executor anchor clamps, turn to executor anchor clamps support, supporting shoe, connection pad, turn to the executor anchor clamps install in turn to on the executor anchor clamps support, the forward-mounted who turns to the executor anchor clamps has the connection pad, turn to the rear portion of executor anchor clamps and install the supporting shoe, one side of second fixed establishment is provided with load mechanism, and one side of magnetic brake installing support is fixed with the gusset plate, magnetic brake is installed to the opposite side of gusset plate, one side of magnetic brake is connected with the ball gear box, the shaft coupling is installed to the output of ball gear box.
On the basis of the technical scheme, eight bases are installed on the lower portion of the installation platform, the bases are made of adjustable screw rod structures, multiple installation holes are formed in the multiple installation holes and are all formed by 6-6 round holes, and the connecting plate is connected with the second fixing mechanism and the loading mechanism.
On the basis of the technical scheme, the mounting frame can be directly fixed with the mounting platform, a steer-by-wire simulator can be mounted on the steer-by-wire simulator clamp, and the steer-by-wire simulator clamp and the steering actuator clamp are integrated clamps.
On the basis of the technical scheme, one end of the coupler is connected with a rack of a steering actuator, and the steering actuator is arranged on a steering actuator clamp.
Compared with the prior art, the beneficial effects of the utility model are that:
the device meets the function test requirement of steer-by-wire, and has the following advantages: the load is adjustable, and the load can be adjusted according to actual requirements; the load control can be realized only by simulating voltage without a complex controller system, so that the development cost and the development period are greatly reduced; the clamp design can realize the quick switching of different systems; the whole device is stable and reliable, and potential safety hazards caused by spring load are eliminated.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
fig. 1 is an axonometric view of drive-by-wire steering system testing arrangement under operating condition.
Fig. 2 is a top view of the steer-by-wire system testing device of the present invention.
The reference numerals are explained below:
1. a work table; 101. mounting a platform; 102. a base; 103. a multi-bit mounting hole; 104. a connecting plate; 2. a first fixing mechanism; 201. a fixing plate; 202. a mounting frame; 203. a steer-by-wire simulator clamp mount; 204. a steer-by-wire simulator fixture; 3. a second fixing mechanism; 301. a steering actuator clamp; 302. a steering actuator clamp bracket; 303. a support block; 304. a connecting pad; 4. a load mechanism; 401. a magnetic powder brake mounting bracket; 402. a reinforcing plate; 403. a magnetic powder brake; 404. a ball screw gear box; 405. a coupling is provided.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Examples
Referring to fig. 1-2, the present invention provides a steer-by-wire system testing device: the wire-controlled steering simulator comprises a workbench 1, wherein the workbench 1 comprises a mounting platform 101, a base 102, a plurality of mounting holes 103 and a connecting plate 104, the base 102 is arranged on the front portion and the rear portion of the lower surface of the mounting platform 101, the plurality of mounting holes 103 are formed in the mounting platform 101, the connecting plate 104 is arranged on the rear portion of the upper surface of the mounting platform 101, the wire-controlled steering simulator comprises a first fixing mechanism 2 for fixing a wire-controlled steering simulator, the first fixing mechanism 2 comprises a fixing plate 201, a mounting frame 202, a wire-controlled steering simulator clamp bracket 203 and a wire-controlled steering simulator clamp 204, the mounting frame 202 is fixed on one side of the upper surface of the mounting platform 101 through the plurality of mounting holes 103, the lower portion of the mounting frame 202 is connected with the fixing plate 201 through bolts, the rear portion of the upper surface of the fixing plate 201 is connected with the wire-controlled steering simulator clamp bracket 203 through bolts, the wire-controlled steering simulator clamp 204 is arranged on the wire-controlled steering simulator clamp bracket 203, the rear portion of one side of the upper surface of the workbench 1 is provided with a second fixing mechanism 3, the second fixing mechanism 3 comprises a steering actuator clamp 301, a steering actuator clamp support 302, a supporting block 303 and a connecting pad 304, the steering actuator clamp 301 is installed on the steering actuator clamp support 302, the connecting pad 304 is installed at the front portion of the steering actuator clamp 301, the supporting block 303 is installed at the rear portion of the steering actuator clamp 301, one side of the second fixing mechanism 3 is provided with a loading mechanism 4, a reinforcing plate 402 is fixed on one side of a magnetic powder brake installing support 401, a magnetic powder brake 403 is installed on the other side of the reinforcing plate 402, one side of the magnetic powder brake 403 is connected with a ball screw gear box 404, and a coupler 405 is installed at the output end of the ball screw gear box 404.
On the basis of the above-described embodiment: eight bases 102 are mounted on the lower portion of the mounting platform 101, so that the mounting platform 101 is kept stable, the bases 102 are made of adjustable screw structures, the height of the mounting platform 101 can be adjusted conveniently, the multiple mounting holes 103 are provided with multiple 6-by-6 round holes, the steering actuator clamp support 301 can be adjusted, and the connecting plate 104 is connected with the second fixing mechanism 3 and the load mechanism 4, so that the second fixing mechanism 3 and the load mechanism 4 are kept stable relatively; the mounting frame 202 can be directly fixed with the mounting platform 101, so that the mounting platform can be conveniently assembled and disassembled to change positions, a steer-by-wire simulator can be mounted on the steer-by-wire simulator clamp 204, and the steer-by-wire simulator clamp 204 and the steering actuator clamp 301 are both integrated clamps, so that the rapid switching of different systems can be realized; one end of the coupling 405 is connected to a rack of a steering actuator, which is mounted on the steering actuator clamp 301.
The utility model discloses a theory of operation and use flow: during testing, the steer-by-wire simulator mounted on the steer-by-wire simulator clamp 204 is rotated, and the steer-by-wire simulator sends a steering control command to a steering actuator mounted on the steering actuator clamp 302 according to the rotation direction and the rotation angle; the steering actuator executes steering action according to the received steering control command: pushing or pulling the rack according to a required angle; when the rack acts, the rack is transmitted to the ball screw gearbox 404 through the coupler 405; after passing through the ball screw gear box 404, the lateral pushing or pulling force is converted into a driving torque, thereby overcoming the set braking torque (load) on the magnetic particle brake 403.
Although some specific embodiments of the present invention have been described in detail by way of illustration, it should be understood by those skilled in the art that the above illustration is only for purposes of illustration and is not intended to limit the scope of the invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.
Claims (4)
1. The utility model provides a drive-by-wire steering system testing arrangement, includes workstation (1), workstation (1) is including mounting platform (101), base (102), many mounting holes (103), connecting plate (104), all install the lower surface front portion and the rear portion of mounting platform (101) base (102), the inside of mounting platform (101) is opened there are many mounting holes (103), install the upper surface rear portion of mounting platform (101) connecting plate (104), its characterized in that: still include first fixed establishment (2) that is used for fixed steer-by-wire simulator, first fixed establishment (2) are including fixed plate (201), mounting bracket (202), steer-by-wire simulator anchor clamps (203), steer-by-wire simulator anchor clamps (204), mounting bracket (202) are passed through many mounting holes (103) are fixed upper surface one side of mounting platform (101), there is fixed plate (201) lower part of mounting bracket (202) through bolted connection, there is steer-by-wire simulator anchor clamps support (203) upper surface rear portion of fixed plate (201) through bolted connection, steer-by-wire simulator anchor clamps (204) are installed on steer-by-wire simulator anchor clamps (203), workstation (1) upper surface one side rear portion is provided with second fixed establishment (3), second fixed establishment (3) are including turning to executor anchor clamps (301), Turn to executor anchor clamps support (302), supporting shoe (303), connecting pad (304), turn to executor anchor clamps (301) install in turn to on executor anchor clamps support (302), the forward-mounted that turns to executor anchor clamps (301) has connecting pad (304), the rear portion that turns to executor anchor clamps (301) is installed supporting shoe (303), one side of second fixed establishment (3) is provided with load mechanism (4), and one side of magnetic powder brake installing support (401) is fixed with gusset plate (402), magnetic powder brake (403) are installed to the opposite side of gusset plate (402), one side of magnetic powder brake (403) is connected with ball screw gear box (404), shaft coupling (405) are installed to the output of ball screw gear box (404).
2. The steer-by-wire system test device of claim 1, wherein: eight bases (102) are installed to the lower part of mounting platform (101), base (102) are made for adjustable screw structure, many mounting holes (103) are provided with many places and are 6 by 6 round holes and constitute, connecting plate (104) are being connected second fixed establishment (3) with load mechanism (4).
3. The steer-by-wire system test device of claim 1, wherein: the mounting frame (202) can be directly fixed with the mounting platform (101), a steer-by-wire simulator can be mounted on the steer-by-wire simulator clamp (204), and the steer-by-wire simulator clamp (204) and the steering actuator clamp (301) are integrated clamps.
4. The steer-by-wire system test device of claim 1, wherein: one end of the coupler (405) is connected with a rack of a steering actuator, and the steering actuator is arranged on the steering actuator clamp (301).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023292873.4U CN214277417U (en) | 2020-12-30 | 2020-12-30 | Drive-by-wire steering system testing arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023292873.4U CN214277417U (en) | 2020-12-30 | 2020-12-30 | Drive-by-wire steering system testing arrangement |
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| Publication Number | Publication Date |
|---|---|
| CN214277417U true CN214277417U (en) | 2021-09-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023292873.4U Active CN214277417U (en) | 2020-12-30 | 2020-12-30 | Drive-by-wire steering system testing arrangement |
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| CN (1) | CN214277417U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114578167A (en) * | 2022-03-10 | 2022-06-03 | 芜湖奇瑞科技有限公司 | Automobile steer-by-wire tubular column test rack and rack test system |
-
2020
- 2020-12-30 CN CN202023292873.4U patent/CN214277417U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114578167A (en) * | 2022-03-10 | 2022-06-03 | 芜湖奇瑞科技有限公司 | Automobile steer-by-wire tubular column test rack and rack test system |
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