CN211553326U - Automobile steering performance test bench - Google Patents
Automobile steering performance test bench Download PDFInfo
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- CN211553326U CN211553326U CN202020232362.4U CN202020232362U CN211553326U CN 211553326 U CN211553326 U CN 211553326U CN 202020232362 U CN202020232362 U CN 202020232362U CN 211553326 U CN211553326 U CN 211553326U
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- steering
- hub
- test bench
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- reducer
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Abstract
The utility model discloses an automobile steering performance test bench, which comprises a steering system, a measuring system and a control console which are arranged on a mounting rack, wherein the steering system comprises an operating mechanism, the operating mechanism is connected with a steering gear through a steering connecting rod, the steering gear is sequentially connected with a power-assisted reducer and a universal joint in a transmission way, the universal joint is connected with a wheel hub in a transmission way through a trapezoidal mechanism, the mounting rack comprises an upper fixing frame connected with the steering system, the lower part of the upper fixing frame is a mounting platform, the trapezoidal mechanism is arranged on the mounting platform, and the wheel hub is positioned outside the mounting platform; the measuring system comprises a corner sensor and a torque sensor which are arranged between the steering connecting rod and the steering gear, and a distance sensor which is arranged on the outer side of the mounting platform and corresponds to the position of the hub. The utility model discloses can solve among the prior art teaching with turning to capability test device can only be to the problem of ideal environment, the controllability is strong, the simulation performance is good, student's participation degree is high.
Description
Technical Field
The utility model relates to an automobile teaching training technical field, concretely relates to auto steering performance testboard.
Background
In the teaching and training of the existing automobile, a manual operation table is generally adopted for performance test teaching of an automobile steering system, even if an automatic testing device of an electric power-assisted system is provided, the structure is simple for controlling the cost, and only the most basic contents, such as a rotating torque test and a return characteristic test under no-load and ideal environments, can be used, so that the test difference under different environmental working conditions in the actual automobile design and development is huge, the teaching content and the actual situation are disconnected, but the automobile steering performance testing device in the automobile design and development is used for teaching, and the cost, the space environment and other limitations exist, so the realization is difficult.
SUMMERY OF THE UTILITY MODEL
The utility model discloses it is not enough to the above-mentioned among the prior art, provide one kind can solve among the prior art teaching with the auto steering capability test platform that turns to capability test device can only be to the problem of ideal environment.
In order to solve the technical problem, the utility model discloses a following technical scheme:
the automobile steering performance test board comprises a steering system, a measuring system and a control console which are arranged on a mounting rack, wherein the steering system comprises an operating mechanism, the operating mechanism is connected with a steering gear through a steering connecting rod, the steering gear is sequentially in transmission connection with a power-assisted speed reducer and a universal joint, the universal joint is in transmission connection with a wheel hub through a trapezoidal mechanism, the mounting rack comprises an upper fixing frame connected with the steering system, the lower part of the upper fixing frame is a mounting platform, the trapezoidal mechanism is arranged on the mounting platform, and the wheel hub is positioned on the outer side of the mounting platform; the measuring system comprises a corner sensor and a torque sensor which are arranged between the steering connecting rod and the steering gear, and a distance sensor which is arranged outside the mounting table and corresponds to the position of the hub; and a control console is arranged on one side of the mounting platform and is respectively and electrically connected with the power-assisted reducer and the measuring system.
The electric power-assisted steering system EPS is simulated by arranging a steering system to simulate a steering mechanism in a real vehicle and arranging a power-assisted reducer; the wheel hub and the distance sensor are arranged so as to measure the rotation angle of the wheel hub, and the wheel hub and the distance sensor are matched to measure the transmission ratio of the steering system. The control console is arranged, so that the work of the measuring system and the steering system can be automatically controlled, and data can be conveniently recorded; through setting up the mounting bracket to be in the same place steering system integrated installation, avoid its occupation space great problem.
In the above scheme, preferably, a load reducer is arranged at a position of the steering link between the universal joint and the power reducer, and the load reducer is electrically connected with the console.
The load reducer is arranged to simulate the load borne by the steering system in different scenes, so that the steering system in different environments, different running conditions and different vehicle states can be simulated.
In the above aspect, preferably, a second torque sensor is disposed at a position between the load reducer and the universal joint, and the second torque sensor is electrically connected to the console.
And the second torque sensor is arranged so as to be matched with the torque sensor to measure the influence of the load reducer on the torque of the steering system.
In the above scheme, preferably, there are at least two distance sensors, and the distance sensors are respectively and symmetrically distributed on two sides of the joint of the trapezoidal mechanism and the installation platform.
The distance sensor is arranged symmetrically so as to accurately measure the rotation angle of the hub.
In the above aspect, preferably, a distance from the distance sensor to a joint of the trapezoidal mechanism and the mounting table is smaller than a radius of the hub.
To accommodate the situation where the lateral radius of the hub projected onto the side of the mounting table is smaller than its actual radius when the hub is rotated.
In the above scheme, preferably, a display screen is arranged on the side surface of the console.
So that the student directly observes the measurement results.
In the above aspect, preferably, the hub is disposed on the support frame.
The hub is supported, so that the phenomenon that the trapezoidal mechanism is deformed at the connecting position of the mounting table under the action of gravity to influence the measurement effect due to the fact that the hub is suspended for a long time is avoided.
In the above aspect, preferably, a tire is provided outside the hub, and the tire is a rubber elastic tire.
The conventional tire is arranged to provide a reference friction force between the hub and the ground in a test, so that a real vehicle form condition is conveniently simulated.
In the above aspect, the steering mechanism is preferably a steering wheel.
The student can conveniently operate the device manually, and the device can be attached to a real scene.
In the above scheme, preferably, the wheel hubs are respectively located on two sides of the mounting table, and the rotation angle sensors are respectively arranged on two sides of the mounting table and are matched with the wheel hubs in position.
So as to facilitate more students to watch and improve the participation degree.
The utility model provides an above-mentioned auto steering performance testboard's main beneficial effect lies in:
the utility model is provided with a steering system to simulate a steering mechanism in a real vehicle and a power-assisted reducer to simulate an electric power-assisted system (EPS); the wheel hub and the distance sensor are arranged so as to measure the rotation angle of the wheel hub, and the wheel hub and the distance sensor are matched to measure the transmission ratio of the steering system.
The control console is arranged, so that the work of the measuring system and the steering system can be automatically controlled, and data can be conveniently recorded; through setting up the mounting bracket to be in the same place steering system integrated installation, avoid its occupation space great problem.
The load reducer is arranged to simulate the load borne by the steering system in different scenes, so that the steering system in different environments, different running conditions and different vehicle states can be simulated.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic diagram of the position relationship of the components on the side of the present invention.
The device comprises a steering system 1, a steering mechanism 11, an operating mechanism 12, a steering connecting rod 13, a steering gear 14, a universal joint 15, a ladder-shaped mechanism 16, a hub 17, a tire 2, a load system 21, a power-assisted reducer 22, a load reducer 3, a mounting frame 31, an upper fixing frame 32, a mounting frame 33, a control platform 34, a display screen 4, a measuring system 41, a corner sensor 42, a torque sensor 43, a distance sensor 44, a second torque sensor 5 and a supporting frame.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings:
as shown in fig. 1, it is a schematic structural diagram of a test bench for automobile steering performance.
The utility model discloses a car turns to performance test platform is including setting up steering system 1, measurement system 4 and the control cabinet 33 on mounting bracket 3, and steering system 1 includes operating mechanism 11, and operating mechanism 11 generally is the steering wheel. The operating mechanism 11 is connected with a steering gear 13 through a steering connecting rod 12, the lower side of the steering gear 13 is in transmission connection with a universal joint 14 through the steering connecting rod 12, a load system 2 is arranged at the position where the steering gear 13 and the universal joint 14 are located, the load system 2 comprises a power-assisted reducer 21 between the steering gear 13 and the universal joint 14, and the universal joint 14 is in transmission connection with a hub 16 through a trapezoidal mechanism 15.
The mounting frame 3 comprises an upper fixing frame 31 connected with the steering system 1, the lower part of the upper fixing frame 31 is a mounting table 32, the operating mechanism 11 and the steering connecting rod 12 are arranged on the upper fixing frame 31, the ladder mechanism 15 is arranged on the mounting table 32, and the wheel hub 16 is positioned outside the mounting table 32.
The measuring system 4 comprises a rotation angle sensor 41 and a torque sensor 42 which are arranged between the steering connecting rod 12 and the steering gear 13, and a distance sensor 43 which is arranged outside the mounting table 32 and corresponds to the position of the wheel hub 16; the console 33 is provided on the mounting table 32 side, and the console 33 is electrically connected to the load system 2 and the measurement system 4, respectively.
The steering system 1 is arranged to simulate a steering mechanism in a real vehicle, and the power-assisted reducer 21 is arranged to simulate an electric power-assisted system EPS; the wheel hub 16 and the distance sensor 43 are provided to measure the rotational angle of the wheel hub 16, and the gear ratio of the steering system is measured by cooperation with the rotational angle sensor 41. The control console 33 is arranged, so that the work of the measuring system 4 and the steering system 1 can be automatically controlled, and data can be conveniently recorded; by arranging the mounting frame 3, the steering system 1 can be integrally mounted together, and the problem of large occupied space is avoided.
The steering link 12 is provided with a load reducer 22 at a position between the universal joint 14 and the power reducer 21, and the load reducer 22 is electrically connected to the console 33. A second torque sensor 44 is provided at a position between the load reducer 22 and the universal joint 14, and the second torque sensor 44 is electrically connected to the console 33.
The load reducer 22 is arranged to simulate the load borne by the steering system 1 in different scenes, so that the steering system under different environments, different running conditions and different vehicle states can be simulated. The effect of the load retarder 22 on the torque of the steering system 1 is measured by providing a second torque sensor 44, cooperating with the torque sensor 42.
As shown in fig. 2, there are at least two distance sensors 43, and the distance sensors are respectively symmetrically distributed on two sides of the joint of the ladder mechanism 15 and the mounting table 32. The distance from the distance sensor 43 to the point where the ladder mechanism 15 meets the mounting table 32 is less than the radius of the hub 16. The wheel hubs 16 are respectively located on two sides of the mounting platform 32, and the rotation angle sensors 41 are respectively arranged on two sides of the mounting platform 32 and matched with the wheel hubs 16. So as to facilitate more students to watch and improve the participation degree.
The distance sensor 43 is provided symmetrically so as to accurately measure the rotation angle of the hub 16. To accommodate the fact that the lateral radius of hub 16 projected onto the side of mounting platform 32 is less than its actual radius as hub 16 rotates.
Preferably, a display screen 34 is provided on the side of the console 33. So that the student directly observes the measurement results.
The hub 16 is arranged on the support frame 5. The hub 16 is supported, and the phenomenon that the position where the trapezoidal mechanism 15 is connected with the mounting table 32 is deformed under the action of gravity to influence the measurement effect due to the fact that the hub is suspended for a long time is avoided. A tire 17 is arranged outside the hub 16, and the tire 17 is a rubber elastic tire. By providing a conventional tire 17 to provide a reference friction force of the hub 16 against the ground under test, it is convenient to simulate real vehicle form conditions.
The foregoing description of the embodiments of the present invention is provided to facilitate the understanding of the present invention by those skilled in the art, but it should be understood that the present invention is not limited to the scope of the embodiments, and those skilled in the art will be able to understand the present invention as long as various changes are made within the spirit and scope of the present invention as defined and defined by the appended claims, and all such changes are obvious and contemplated by the present invention.
Claims (10)
1. The automobile steering performance test board is characterized by comprising a steering system, a measuring system and a control console, wherein the steering system, the measuring system and the control console are arranged on a mounting rack, the steering system comprises an operating mechanism, the operating mechanism is connected with a steering gear through a steering connecting rod, the steering gear is sequentially in transmission connection with a power-assisted reducer and a universal joint, the universal joint is in transmission connection with a wheel hub through a trapezoidal mechanism, the mounting rack comprises an upper fixing frame connected with the steering system, the lower part of the upper fixing frame is a mounting platform, the trapezoidal mechanism is arranged on the mounting platform, and the wheel hub is positioned on the outer side; the measuring system comprises a corner sensor, a torque sensor and a distance sensor, wherein the corner sensor and the torque sensor are arranged between the steering connecting rod and the steering gear, and the distance sensor is arranged on the outer side of the mounting platform and corresponds to the position of the hub; and a control console is arranged on one side of the mounting platform and is respectively and electrically connected with the power-assisted reducer and the measuring system.
2. The automobile steering performance test bench according to claim 1, wherein a load reducer is arranged at a position, between the universal joint and the power reducer, of the steering link, and the load reducer is electrically connected with the console.
3. The test bench for testing the steering performance of automobiles according to claim 2, wherein a second torque sensor is arranged at a position between the load reducer and the universal joint, and the second torque sensor is electrically connected with the console.
4. The automobile steering performance test bench according to claim 1, wherein at least two distance sensors are arranged and symmetrically distributed on two sides of a joint of the trapezoidal mechanism and the mounting table.
5. The test bench of claim 4, wherein the distance from the distance sensor to the joint of the trapezoid mechanism and the mounting bench is smaller than the radius of the hub.
6. The test bench of claim 1, wherein a display screen is arranged on the side surface of the console.
7. The test bench of claim 1, wherein the hub is disposed on the support frame.
8. The test bench for testing the steering performance of automobiles according to claim 7, wherein a tire is arranged on the outer side of the hub, and the tire is a rubber elastic tire.
9. The test bench of claim 1, wherein the operating mechanism is a steering wheel.
10. The automobile steering performance test bench according to claim 5, wherein the wheel hubs are respectively located on two sides of the mounting bench, and the rotation angle sensors are respectively arranged on two sides of the mounting bench and are matched with the wheel hubs in position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020232362.4U CN211553326U (en) | 2020-02-28 | 2020-02-28 | Automobile steering performance test bench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020232362.4U CN211553326U (en) | 2020-02-28 | 2020-02-28 | Automobile steering performance test bench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211553326U true CN211553326U (en) | 2020-09-22 |
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ID=72494689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020232362.4U Expired - Fee Related CN211553326U (en) | 2020-02-28 | 2020-02-28 | Automobile steering performance test bench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211553326U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114661035A (en) * | 2022-05-25 | 2022-06-24 | 江苏英拓动力科技有限公司 | Unmanned tracked vehicle direction control testboard |
-
2020
- 2020-02-28 CN CN202020232362.4U patent/CN211553326U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114661035A (en) * | 2022-05-25 | 2022-06-24 | 江苏英拓动力科技有限公司 | Unmanned tracked vehicle direction control testboard |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200922 Termination date: 20210228 |
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| CF01 | Termination of patent right due to non-payment of annual fee |