Vehicle test system

Abstract

The present disclosure provides a vehicle testing system, which relates to the field of vehicle testing technology, so as to at least solve the technical problems in the prior art that the vehicle testing equipment has a single function and cumbersome operation. The vehicle testing system includes: a test bench, the test bench has a supporting position when supporting the vehicle to be tested, and the test bench has a evasion position to avoid the vehicle to be tested; a detection unit, the detection unit is connected to the test bench, and the test bench can drive the detection unit to move to the supporting position and the evasion position; the detection unit includes a mounting seat and a locking mechanism, the mounting seat is rotatably connected to the test bench, the locking mechanism is connected to the mounting seat, and part of the locking mechanism is rotatably arranged relative to the mounting seat, the locking mechanism has a locking state for locking at least one of the wheel and the brake disc of the vehicle to be tested, and the locking mechanism has a release state for releasing the wheel and the brake disc.

Description

Technical Field

[0001] The present disclosure relates to the field of vehicle testing technology, and in particular to a vehicle testing system. Background Art

[0002] At a time when intelligent driving technology is hot, the number of functions that need to be realized is increasing, and the cycle of technology iteration is getting shorter and shorter. Pure software virtual simulation is relatively theoretical, and the actual vehicle road verification requires a large number of vehicles, sites, and manpower. Moreover, in the process of vehicle road verification, it is extremely difficult to determine the boundary conditions. The use of existing technologies for actual vehicle road verification has problems such as long cycle and high cost.

[0003] Among the related solutions, there are mainly two types of vehicle testing equipment. Depending on the usage scenarios, the problems and shortcomings brought by the related solutions are also different:

[0004] (1) Test the vehicle using a common speed test bench or dynamometer. Since the speed test bench or dynamometer has a single function, a common speed test bench can only support the wheel speed monitoring of the vehicle, but cannot support the wheel angle monitoring. When the vehicle test needs to measure the wheel angle at the same time, the speed test bench and dynamometer cannot support it.

[0005] (2) Vehicle testing using dynamometer-like equipment. When using dynamometer-like equipment, it requires the assistance of lifting equipment (using the lifting equipment to support the vehicle), and the wheels of the vehicle must be removed (generally 2 or 4 wheels need to be removed). At the same time, a special tooling is connected to the 2 or 4 brake discs of the vehicle, and the special tooling is then connected to other equipment. This test method occupies a large lateral space, the test process is complicated, and the operation is cumbersome, which makes vehicle testing inconvenient. In addition, dynamometer-like equipment usually requires infrastructure digging and burying in the ground, or placing it above the ground (usually more than 50 cm above the ground) and cooperating with the construction of a ramp. The vehicle under test is placed on a high platform, and the visual tracking effect of the wheel rotation is poor. In addition, the installation and use of dynamometer-like equipment has high requirements for site, engineering and costs.

[0006] Therefore, how to more easily implement multiple performance tests of a vehicle has become an important issue in current vehicle testing work. Currently, no effective solution has been proposed to the above-mentioned problems. Summary of the invention

[0007] The present disclosure provides a vehicle testing system to at least solve the technical problem that vehicle testing equipment in the prior art has single functions and cumbersome operations.

[0008] According to one embodiment of the present disclosure, a vehicle testing system is provided, comprising: a test bench, the test bench having a supporting position when supporting a vehicle to be tested, and the test bench having an evasive position for evading the vehicle to be tested; a detection unit, the detection unit being connected to the test bench, and the test bench being capable of driving the detection unit to move to the supporting position and the evasive position; the detection unit comprising a mounting seat and a locking mechanism, the mounting seat being rotatably connected to the test bench, the locking mechanism being connected to the mounting seat, a part of the locking mechanism being rotatably arranged relative to the mounting seat, the locking mechanism having a locking state for locking at least one of a wheel and a brake disc of the vehicle to be tested, and the locking mechanism having a releasing state for releasing the wheel and the brake disc.

[0009] In the embodiment of the present disclosure, when the locking mechanism is locked with at least one of the wheel and the brake disc of the vehicle to be tested, part of the locking mechanism can rotate with the wheel of the vehicle to be tested relative to the mounting seat of the detection unit, and the detection unit can obtain the data of the turning angle, rotation speed, acceleration, etc. of the vehicle to be tested. Among them, the test bench is set to drive the detection unit to move to the support position and the avoidance position, and the position of the test bench and the detection unit can be adjusted according to the wheelbase and track of different vehicles to be tested, so that the detection unit can be moved to different positions and locked and released with different models of vehicles to be tested. That is, the vehicle testing system of the present disclosure can match vehicles to be tested of different sizes, which effectively improves the practicality of the vehicle testing system. The vehicle testing system using this embodiment has a simple structure and is easy to operate, and can effectively improve the testing efficiency of the vehicle. Compared with the prior art, the vehicle testing system in this embodiment can test multiple data such as wheel rotation speed and turning angle on the spot at the same time. The vehicle testing system no longer needs to use additional detection tooling or support tooling. The vehicle testing system itself can realize the support and multi-type data testing functions for the vehicle. The testing process is simple, fast and occupies little space, achieving the technical effect of simply and efficiently testing the various performance characteristics of the vehicle, and solving the technical problems in related technologies that the vehicle testing equipment has a single function and cumbersome operation.

[0010] It should be understood that the content described in this section is not intended to identify the key or important features of the embodiments of the present disclosure, nor is it intended to limit the scope of the present disclosure. Other features of the present disclosure will become easily understood through the following description. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] The accompanying drawings are used to better understand the present solution and do not constitute a limitation of the present disclosure.

[0012] Figure 1 is a hardware structure block diagram of a computer terminal (or mobile device) for implementing a vehicle testing method according to an embodiment of the present disclosure;

[0013] Figure 2is a flow chart of a vehicle testing method according to an embodiment of the present disclosure;

[0014] Figure 3 is a structural block diagram of a vehicle testing device according to an embodiment of the present disclosure;

[0015] Figure 4 is a schematic diagram of a use state of a vehicle testing system according to an embodiment of the present disclosure;

[0016] Figure 5 is a structural schematic diagram of a vehicle testing system from a first perspective according to an embodiment of the present disclosure;

[0017] Figure 6 is a structural schematic diagram of a vehicle testing system from a second perspective according to an embodiment of the present disclosure;

[0018] Figure 7 is a schematic structural diagram of a first viewing angle of an optional detection unit according to an embodiment of the present disclosure;

[0019] Figure 8 is a schematic structural diagram of a second viewing angle of an optional detection unit according to an embodiment of the present disclosure;

[0020] Fig. 9 is a schematic structural diagram of a third viewing angle of an optional detection unit according to an embodiment of the present disclosure;

[0021] Fig.10 is a schematic structural diagram of a fourth viewing angle of an optional detection unit according to an embodiment of the present disclosure;

[0022] Fig.11 is a schematic structural diagram of a fifth viewing angle of an optional detection unit according to an embodiment of the present disclosure;

[0023] Fig.12 It is a schematic structural diagram of a sixth viewing angle of an optional detection unit according to an embodiment of the present disclosure.

[0024] The above drawings include the following reference numerals:

[0025] 10. Stand;

[0026] 11. first guide rail assembly; 111. first guide rail; 112. second guide rail; 113. first driving mechanism;

[0027] 12. second guide rail assembly; 121. third guide rail; 122. fourth guide rail; 123. second drive mechanism;

[0028] 20. Testing department;

[0029] 21. mounting seat; 211. inner plate; 212. outer plate; 2121. supporting member;

[0030] 22, locking mechanism; 221, bearing outer ring; 222, bearing inner ring; 2221, inner ring body; 2222, connecting piece; 22221, connecting body; 22222, connecting spokes;

[0031] 23. Driving unit;

[0032] 24. a first detection element; 25. a second detection element;

[0033] 26. Fixed bracket

[0034] 30. Lifting mechanism;

[0035] 40. Measurement and control console. DETAILED DESCRIPTION

[0036] The following is a description of exemplary embodiments of the present disclosure in conjunction with the accompanying drawings, including various details of the embodiments of the present disclosure to facilitate understanding, which should be considered as merely exemplary. Therefore, it should be recognized by those of ordinary skill in the art that various changes and modifications may be made to the embodiments described herein without departing from the scope and spirit of the present disclosure. Similarly, for the sake of clarity and conciseness, descriptions of well-known functions and structures are omitted in the following description.

[0037] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0038] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0039] It should be noted that the terms "first", "second", etc. in the specification and claims of the present disclosure and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable where appropriate, so that the embodiments of the present disclosure described herein can be implemented in an order other than those illustrated or described herein. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions, for example, a process, method, system, product, or device that includes a series of steps or units is not necessarily limited to those steps or units that are clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products, or devices.

[0040] Now, exemplary embodiments according to the present application will be described in more detail with reference to the accompanying drawings. However, these exemplary embodiments may be implemented in a variety of different forms and should not be construed as being limited to the embodiments described herein. It should be understood that these embodiments are provided to make the disclosure of the present application thorough and complete, and to fully convey the concepts of these exemplary embodiments to those of ordinary skill in the art. In the accompanying drawings, for the sake of clarity, the thickness of the layers and regions may be enlarged, and the same reference numerals are used to represent the same devices, and thus their descriptions will be omitted.

[0041] Combination Figures 4 to 12 As shown, the present disclosure provides a vehicle testing system.

[0042] like Figures 4 to 6 As shown, according to one embodiment of the present disclosure, a vehicle testing system includes a test bench 10 and a detection unit 20, the test bench 10 has a supporting position when supporting a vehicle to be tested, and the test bench 10 has an avoidance position for avoiding the vehicle to be tested; the detection unit 20 is connected to the test bench 10, and the test bench 10 can drive the detection unit 20 to move to the supporting position and the avoidance position; the detection unit 20 includes a mounting seat 21 and a locking mechanism 22, the mounting seat 21 is rotatably connected to the test bench 10, the locking mechanism 22 is connected to the mounting seat 21, a part of the locking mechanism 22 is rotatably arranged relative to the mounting seat 21, the locking mechanism 22 has a locking state for locking at least one of a wheel and a brake disc of the vehicle to be tested, and the locking mechanism 22 has a releasing state for releasing the wheel and the brake disc.

[0043] In the embodiment of the present disclosure, when the locking mechanism 22 is locked with at least one of the wheel and the brake disc of the vehicle to be tested, part of the locking mechanism 22 can rotate with the wheel of the vehicle to be tested relative to the mounting seat 21 of the detection unit 20, and the detection unit 20 can obtain the turning angle, rotation speed, acceleration and other data of the vehicle to be tested through the rotation detection of part of the locking mechanism 22; the test bench 10 can drive the detection unit 20 to move to the supporting position and the avoidance position. According to the wheelbase and track of different vehicles to be tested, the test bench 10 can drive the detection unit 20 to move to different positions to achieve the locking and release of the detection unit 20 and the vehicle to be tested. The vehicle testing system can match vehicles to be tested of different sizes and conveniently test multiple vehicles to be tested. While effectively improving the testing efficiency, this embodiment also makes the vehicle testing system more practical. Compared with the prior art, the vehicle testing system in this embodiment can test multiple data such as wheel rotation speed and turning angle on the spot at the same time. The vehicle testing system no longer needs to use additional detection tooling or support tooling. The vehicle testing system itself can realize the support and multi-type data testing functions for the vehicle. The testing process is simple and fast and occupies little space, achieving the technical effect of simply and efficiently testing the various performance characteristics of the vehicle, and solving the technical problems in related technologies that the vehicle testing equipment has a single function and cumbersome operation.

[0044] The vehicle testing system of this embodiment is further introduced below.

[0045] As an optional implementation, the mounting seat 21 and the rotation axis of the stand 10 are arranged in the vertical direction, and the locking mechanism 22 and the rotation axis of the mounting seat 21 are arranged in the horizontal direction.

[0046] Optionally, the mounting seat 21 and the rotating axis of the test bench 10 are arranged in the vertical direction, so that after part of the locking mechanism 22 is locked with the wheel of the vehicle to be tested, the wheel turns in situ to drive the detection unit 20 to rotate around the vertical axis relative to the test bench 10, and the detection unit 20 can measure the rotation angle of the wheel; the locking mechanism 22 and the rotating axis of the mounting seat 21 are arranged in the horizontal direction, so that after part of the locking mechanism 22 is locked with the wheel of the vehicle to be tested, the wheel rotation drives part of the locking mechanism 22 to rotate around the horizontal axis relative to the test bench 10, and the detection unit 20 can measure the rotation speed, rotation acceleration, etc. of the wheel. In this way, the vehicle only needs to be operated in situ (for example, the wheel turns left and right, rolls forward and backward, etc.) to measure the wheel angle and speed and other data in real time, making vehicle testing more convenient and efficient.

[0047] As an optional embodiment, the locking mechanism 22 includes a bearing structure, the bearing structure includes a bearing outer ring 221 and a bearing inner ring 222, a rolling body is arranged between the bearing inner ring 222 and the bearing outer ring 221, the bearing outer ring 221 is connected to the mounting seat 21, the inner circumferential surface of the bearing inner ring 222 forms a accommodating space for accommodating a wheel and a brake disc, and the bearing inner ring 222 has a locking state and a release state.

[0048] like Figure 7 As shown, the bearing structure includes a bearing outer ring 221, a bearing inner ring 222 and a rolling body disposed between the bearing inner ring 222 and the bearing outer ring 221. The bearing outer ring 221 and the bearing inner ring 222 can achieve relative rolling through the rolling body, wherein the rolling body can be a needle roller or a steel ball. The specific method of connecting the bearing outer ring 221 with the mounting seat 21 can be as follows Figure 7 The manner shown is that the bearing outer ring 221 is connected to the mounting seat 21 through a fixing bracket 26. Two fixing brackets 26 can be provided. The two fixing brackets 26 are respectively provided on two opposite sides of the bearing outer ring 221. The fixing bracket 26 can be a plate-like structure or other structure with good supporting effect. The fixing bracket 26 and the bearing outer ring 221 and the mounting seat 21 can be detachably connected or fixedly connected. The inner circumference of the bearing inner ring 222 forms a receiving space for accommodating the wheel and the brake disc. The bearing inner ring 222 has a locking state and a releasing state. When the bearing inner ring 222 is in the locking state, the rotation of the wheel drives the bearing structure to rotate. At this time, the rotation angle of the wheel can be obtained by measuring the rotation angle of the bearing structure relative to the mounting seat 21. When the wheel rolls, the bearing inner ring 222 can be driven to rotate relative to the bearing outer ring 221. At this time, the rolling speed of the inner circumference of the bearing inner ring 222 is measured. The linear speed of the inner circumference of the bearing inner ring 222 can be calculated by the rolling speed and the radius of the inner circumference of the bearing inner ring 222. The linear speed is the linear speed of the wheel. In this embodiment, the bearing structure is used to realize the data measurement of the rotation and rolling state of the wheel. The structure is simple and the production cost is low. When used, the bearing structure with matching outer diameter and inner diameter can be selected according to the size of the tire of the vehicle to be tested.

[0049] Using the bearing structure of the above embodiment, when the wheel and the bearing inner ring 222 are locked, the bearing structure is located in the gap between the wheel tire and the wheel arch. In order to achieve the function of wheel testing without disassembling the wheel, during production and manufacturing, the thickness of the bearing structure should be reduced as much as possible on the basis of meeting the stiffness requirements, that is, the preferred solution of the bearing structure in this embodiment is a thin-walled bearing structure.

[0050] As an optional embodiment, the bearing inner ring 222 includes an inner ring body 2221 and a connecting piece 2222. The inner ring body 2221 is an annular structure, part of the connecting piece 2222 is connected to the inner ring body 2221, and the other part of the connecting piece 2222 is connected to the mounting seat 21.

[0051] like Figures 4 to 10 As shown, the inner ring body 2221 is an annular structure to match the shape of the tire, so that the inner surface of the inner ring body 2221 can match the outer surface of the wheel in the locked state, and the wheel and the bearing inner ring 222 are fixed by the pressing force of the inner ring body 2221. Part of the connecting piece 2222 is connected to the inner ring body 2221, and the connecting piece 2222 can be used for torque transmission. For example, when the connecting piece 2222 is connected to the driving mechanism, the driving mechanism can drive the inner ring body 2221 to roll through the connecting piece 2222. When the bearing inner ring 222 is in a locked state, the driving force of the driving mechanism can be transmitted to the wheel through the connecting piece 2222, driving the wheel to rotate, and realizing the acceleration and deceleration test of the wheel. Alternatively, the connecting member 2222 is connected to a sensor, and the sensor obtains the linear velocity of the wheel by measuring the torque of the connecting member 2222 and the rolling speed of the inner ring body 2221. In this embodiment, part of the connecting member 2222 is connected to the mounting seat 21, and the mounting seat 21 has a supporting function, which can prevent the connecting member 2222 from shaking when transmitting the torque, thereby affecting the accuracy of the test result. The connecting member 2222 can be a plate-like structure, or other hollow structures that play a connecting and supporting role.

[0052] Specifically, when the vehicle detection system in the above embodiment is used, the wheel tire can be deflated first, the inner ring body 2221 of the bearing inner ring 222 can be buckled on the tire surface, and then the tire can be inflated, and the wheel and the bearing inner ring 222 can be locked by the pressing force between the expanded tire and the inner ring body 2221. Optionally, an inflatable and deflated structure can also be provided on the inner ring body 2221 to achieve locking and releasing of the wheel.

[0053] As an optional embodiment, the connecting member 2222 includes a connecting body 22221 and connecting spokes 22222. The connecting body 22221 is provided with a connecting hole, and the connecting body 22221 is detachably connected to the brake disc through the connecting hole. There are a plurality of connecting spokes 22222, and the plurality of connecting spokes 22222 are arranged at intervals along the circumference of the connecting body 22221, and the connecting body 22221 is connected to the inner ring body 2221 through the plurality of connecting spokes 22222.

[0054] The connecting body 22221 is provided with a connecting hole for connecting with the brake disc. In an exemplary embodiment, there are five connecting spokes 22222. Preferably, the five connecting spokes 22222 are evenly spaced along the circumference of the connecting body 22221. The connecting member 2222 can be used to perform a separate test on the vehicle after the wheel is disassembled when it is inconvenient to directly perform a whole vehicle test on the vehicle to be tested. The setting of the connecting body 22221 in this embodiment fully considers the situation that, for example, the gap between the tire and the wheel arch is small and the whole vehicle test cannot be performed, so that the vehicle test system of the present application has higher practicality.

[0055] As an optional implementation, the detection unit 20 further includes a driving unit 23. The driving unit 23 is connected to the connecting member 2222, and the driving unit 23 can drive the inner ring body 2221 to rotate forward and reverse.

[0056] like Figure 8 As shown, the driving unit 23 is connected to the connecting member 2222, and the driving unit 23 can drive the inner ring body 2221 to rotate forward and reverse. Preferably, the driving unit 23 is a driving motor. In order to facilitate the remote control of the driving motor, the driving unit 23 can also be provided with a communication function. The setting of the driving unit 23 can facilitate the application of different driving forces to the wheels according to the test needs to obtain different rotation speeds. For example, when the four wheels of the vehicle are connected to the detection unit 20, and each detection unit 20 includes a driving unit 23, the four driving units 23 are respectively controlled to provide different driving forces, so that the four wheels have different rotation speeds, and the differential operation test of the vehicle to be tested can be realized. The differential operation test can be used to simulate the state of the vehicle when turning to detect whether the vehicle turning performance is qualified. Similarly, by controlling the four driving units 23, a variety of vehicle operation condition simulation tests such as road resistance simulation test of the vehicle to be tested, vehicle uphill and downhill load simulation test, rapid acceleration and deceleration simulation test, and curve differential simulation test can be realized. The vehicle test system in this embodiment can be used for experimental tests of various models such as intelligent driving vehicles, front-wheel drive vehicles, rear-wheel drive vehicles, and four-wheel drive vehicles. For example, when the vehicle to be tested is a rear-wheel drive vehicle, the driving unit 23 connected to the front wheels can adjust the driving force in time according to the rotation speed of the rear wheels so that the front wheels rotate synchronously or at an appropriate speed. When the vehicle to be tested is a front-wheel drive vehicle, the rear wheel rotation speed can be adjusted according to the front wheel rotation speed.

[0057] As an optional embodiment, the detection unit 20 includes a first detection element 24 and a second detection element 25. The first detection element 24 is connected to the connecting member 2222, and the first detection element 24 is used to detect the number of rotations of the inner ring body 2221. The second detection element 25 is connected to one of the mounting seat 21 and the stand 10, and the second detection element 25 is used to detect the rotation angle of the mounting seat 21.

[0058] Optionally, the first detection element 24 is used to detect the number of rotations of the inner ring body 2221. The rolling speed of the inner ring body 2221 within the preset time can be obtained according to the number of rotations of the inner ring body 2221 within the preset time. The linear speed of the inner ring body 2221 can be obtained according to the rolling speed and the radius of the inner ring body 2221, that is, the linear speed of the wheel rotation. The second detection element 25 is used to detect the rotation angle of the mounting seat 21. The rotation angle of the mounting seat 21 is the rotation angle of the wheel.

[0059] In an exemplary embodiment of the application, the detection unit 20 includes a first detection element 24 and a second detection element 25. Figure 8 As shown, the first detection element 24 is connected to the driving unit 23, the second detection element 25 is connected to the mounting seat 21, and the second detection element 25 and the mounting seat 21 realize the transmission of motion through a transmission mechanism such as a gear rack structure. Through the arrangement of the first detection element 24 and the second detection element 25, the detection unit 20 can simultaneously detect the rotation angle and rotation speed of the wheel. It should be noted that the number of the first detection element 24 and the second detection element 25 can be adjusted according to actual needs. For example, in order to obtain a more accurate measurement result, multiple first detection elements 24 and second detection elements 25 can be set, and the final measurement result can be calculated by integrating multiple measurement data.

[0060] Preferably, the first detection element 24 and the second detection element 25 are encoders. In the embodiment of the present application, the first detection element 24 is an encoder provided by the drive unit 23, and the second detection element 25 is an encoder installed separately. In practical applications, the first detection element 24 and the second detection element 25 can be sensors and encoding devices (such as rotation angle sensors and wheel speed sensors) with different measurement principles. Among them, the first detection element 24 and the second detection element 25 can also be configured as detection elements with communication functions to transmit the data obtained by the detection to the host computer for subsequent vehicle performance analysis. Specifically, the first detection element 24 and the second detection element 25 can transmit and communicate data with the host computer through Bluetooth transmission, wireless transmission, wired transmission, etc.

[0061] As an optional embodiment, the locking mechanism 22 further includes a tensioning member, at least part of which is disposed in the bearing inner ring 222, and the tensioning member has a tensioning state. When the tensioning member is in the tensioning state, the tensioning member applies a tensioning force to the wheel of the vehicle to be tested.

[0062] That is to say, in this embodiment, a tensioning force is applied to the wheel of the vehicle to be tested through a tensioning member to tighten the wheel, which can reduce the wear of the tire during the inflation and deflation process of the wheel tire, and the tensioning state of the tensioning member can be adjusted according to the size of the tire, so as to minimize the extrusion wear on the wheel tire while achieving wheel tightening. The use of a tensioning member can improve the connection stability between the wheel and the inner ring 222 of the bearing.

[0063] As an optional embodiment, the tensioner includes an annular tensioning ring, which is extended along the circumference of the bearing inner ring 222. The annular tensioning ring has a tensioned state when inflated and an initial state when deflated. When the annular tensioning ring is in the initial state, it can facilitate the installation of the wheel.

[0064] Optionally, an annular tensioning ring is arranged to extend along the circumference of the bearing inner ring 222, and can cooperate with the shape of the wheel tire to evenly apply tensioning force to the wheel tire to prevent the wheel from slipping out of the inner ring body 2221 due to uneven force. At the same time, the annular tensioning ring can tighten and release the wheel by inflation and deflation, which makes operation easier.

[0065] As an optional embodiment, the mounting seat 21 includes an inner disk 211 and an outer disk 212. The inner disk 211 is connected to the stand 10. The outer disk 212 is an annular structure, the inner circle of the outer disk 212 is arranged along the circumference of the inner disk 211, and the outer disk 212 is connected to the bearing outer ring 221, and the outer disk 212 can drive the bearing outer ring 221 to rotate relative to the inner disk 211.

[0066] like Figures 4 to 12 As shown, in an exemplary embodiment of the present disclosure, the inner disk 211 is fixed to the test stand 10 by fasteners such as bolts, wherein the inner disk 211 is an annular structure, the outer circle of the inner disk 211 matches the inner circle of the outer disk 212, the inner circle of the inner disk 211 is connected to the test stand 10 through a connecting column, the inner disk 211 is fixedly connected to the connecting column, and the connecting column is slidably connected to the test stand 10. The second detection element 25 is connected to the outer disk 212, and when the steering wheel of the vehicle to be tested is rotated, the wheel rotation drives the bearing outer ring 221 and the outer disk 212 to rotate relative to the fixed inner disk 211, and the rotation angle of the outer disk 212, that is, the rotation angle of the wheel, can be measured by the second detection element 25 connected to the outer disk 212.

[0067] It should be noted that the mounting base 21 can be other rotating structures with similar functions. For example, the outer disk 212 can be fixed on the stand 10, and the bearing outer ring 221 is connected to the inner disk 211. The rotation of the wheel drives the bearing outer ring 221 and the inner disk 211 to rotate relative to the outer disk 212. The second detection element 25 can be selectively set on the inner disk 211 or the outer disk 212. The rotation angle of the inner disk 211 measured by the second detection element 25 is the rotation angle of the wheel.

[0068] As an optional implementation, a support member 2121 is provided on the outer disk 212 , the driving unit 23 is connected to the support member 2121 , and the output shaft of the driving unit 23 is connected to the connecting member 2222 .

[0069] like Figure 8 As shown, the support member 2121 can effectively support the driving part 23 to prevent the driving part 23 from shaking. At the same time, the setting of the support member 2121 can make the connection between the locking mechanism 22 and the outer disk 212 tighter and have better stability.

[0070] As an optional embodiment, the stand 10 includes a first guide rail assembly 11 and a second guide rail assembly 12. The first guide rail assembly 11 is arranged along a first preset direction, and the second guide rail assembly 12 is arranged along a second preset direction. The second guide rail assembly 12 is movably connected to the first guide rail assembly 11, so that at least part of the second guide rail assembly 12 is movably arranged relative to the first guide rail assembly 11. There are multiple detection parts 20, and the multiple detection parts 20 are connected to at least one of the first guide rail assembly 11 and the second guide rail assembly 12. The first guide rail assembly 11 and the second guide rail assembly 12 can drive the multiple detection parts 20 to be located at the supporting position and the avoidance position, and the first preset direction and the second preset direction are arranged at an angle.

[0071] In this embodiment, the second guide rail assembly 12 is movably connected to the first guide rail assembly 11, and the vehicle to be tested can be avoided by moving the second guide rail assembly 12 and the first guide rail assembly 11. The detection part 20 is connected to at least one of the first guide rail assembly 11 and the second guide rail assembly 12. The first guide rail assembly 11 and the second guide rail assembly 12 provide gripping force and supporting force for the detection part 20 to prevent the detection part 20 from being separated from the mounting surface during the test.

[0072] like Figure 4 and Figure 5As shown, in a preferred embodiment of the present application, the first preset direction is the length direction of the vehicle, and the second preset direction is the width direction of the vehicle, that is, the first guide rail assembly 11 is arranged along the length direction, and the second guide rail assembly 12 is arranged along the width direction, and the second guide rail assembly 12 is movably connected to the first guide rail assembly 11 so that the second guide rail assembly 12 is movably arranged relative to the first guide rail assembly 11. In this embodiment, multiple detection parts 20 can be fixedly connected to any one of the first guide rail assembly 11 and the second guide rail assembly 12, that is, when the detection part 20 is connected to the first guide rail assembly 11, the first guide rail assembly 11 can drive the detection part 20 to move relative to the second guide rail assembly 12 to adjust the position of the detection part 20 in the width direction (that is, the second preset direction), and when the detection part 20 is connected to the second guide rail assembly 12, the second guide rail assembly 12 can drive the detection part 20 to move relative to the first guide rail assembly 11 to adjust the position of the detection part 20 in the length direction (that is, the first preset direction).

[0073] In practical applications, the rack 10 can change the arrangement of the first guide rail assembly 11, the second guide rail assembly 12, and the detection unit 20 according to actual needs. Several alternative schemes will be used as examples for explanation below. It should be understood that the alternative schemes of this embodiment are not limited to the following embodiments. All schemes of the rack 10 that can adjust the position of the detection unit 20 and avoid the function of the vehicle to be tested belong to the alternative schemes of this embodiment and fall within the protection scope of this scheme, as follows:

[0074] Embodiment 1:

[0075] The stand 10 includes a first guide rail assembly 11 and a second guide rail assembly 12. The first guide rail assembly 11 is arranged along the length direction, and the second guide rail assembly 12 is arranged along the width direction. The second guide rail assembly 12 is movably connected to the first guide rail assembly 11 so that at least part of the second guide rail assembly 12 is movably arranged relative to the first guide rail assembly 11. There are multiple detection parts 20, and the multiple detection parts 20 can be slidably connected to any one of the first guide rail assembly 11 and the second guide rail assembly 12, that is, the detection part 20 can move along the length direction on the first guide rail assembly 11, and the detection part 20 can also move along the width direction on the second guide rail assembly 12.

[0076] Embodiment 2:

[0077] The stand 10 includes a first guide rail assembly 11 and a second guide rail assembly 12. The first guide rail assembly 11 is arranged along the length direction, and the second guide rail assembly 12 is arranged along the width direction. The second guide rail assembly 12 is movably connected to the first guide rail assembly 11 so that at least part of the second guide rail assembly 12 is movably arranged relative to the first guide rail assembly 11. There are multiple detection parts 20, and the multiple detection parts 20 are all slidably connected relative to the first guide rail assembly 11, or the multiple detection parts 20 are all slidably connected relative to the second guide rail assembly 12, that is, the detection part 20 can move on the first guide rail assembly 11 along the length direction of the vehicle, or the detection part 20 can move on the second guide rail assembly 12 along the width direction of the vehicle.

[0078] The first guide rail assembly 11 includes a first guide rail 111, a second guide rail 112 and a first driving mechanism 113. The second guide rail 112 and the first guide rail 111 are both extended along a first preset direction. The second guide rail 112 is arranged opposite to the first guide rail 111. The first driving mechanism 113 is connected to the first guide rail 111 and the second guide rail 112, and the first driving mechanism 113 is used to drive the first guide rail 111 and the second guide rail 112 to move, so as to adjust the distance between the first guide rail 111 and the second guide rail 112 in the second preset direction.

[0079] like Figure 5 As shown, in a preferred embodiment of the present application, the second guide rail 112 and the first guide rail 111 are both arranged along the length direction, and the first driving mechanism 113 is used to drive the first guide rail 111 and the second guide rail 112 to move, so as to adjust the distance between the first guide rail 111 and the second guide rail 112 in the vehicle width direction, so that it is convenient to avoid vehicles to be tested with different widths. Specifically, the first driving mechanism 113 may include a servo motor, a lead screw and a rack structure, and the lead screw is driven to rotate by the servo motor, and the rack structure arranged on the first guide rail 111 and the second guide rail 112 cooperates with the threaded structure on the lead screw surface to drive the first guide rail 111 and the second guide rail 112 to move linearly, thereby adjusting the distance between the first guide rail 111 and the second guide rail 112.

[0080] As an optional embodiment, the second guide rail assembly 12 includes a third guide rail 121, a fourth guide rail 122, and a second driving mechanism 123. The fourth guide rail 122 and the third guide rail 121 are both extended along the second preset direction, and the fourth guide rail 122 is arranged opposite to the third guide rail 121 and is located on the same side of the first guide rail 111 and the second guide rail 112. The second driving mechanism 123 is connected to the third guide rail 121 and the fourth guide rail 122, and the second driving mechanism 123 is used to drive the third guide rail 121 and the fourth guide rail 122 to move, so as to adjust the distance between the third guide rail 121 and the fourth guide rail 122 in the first preset direction.

[0081] like Figure 5 As shown, in a preferred embodiment of the present application, the fourth guide rail 122 and the third guide rail 121 are both arranged along the length direction of the vehicle, and the second drive mechanism 123 is used to drive the third guide rail 121 and the fourth guide rail 122 to move, so as to adjust the distance between the third guide rail 121 and the fourth guide rail 122 in the length direction of the vehicle. Such an arrangement can facilitate avoiding vehicles to be tested with different lengths. Specifically, the second drive mechanism 123 includes a drive motor, a connecting nut, a lead screw and an end cap, wherein the connecting nut is connected to the third guide rail 121 and the fourth guide rail 122, the drive motor is connected to the lead screw, the drive motor is connected to the lead screw, the drive motor drives the lead screw to drive the connecting nut to move, and then drives the third guide rail 121 and the fourth guide rail 122 to move. Among them, the second drive mechanism 123 can be set into two, and the two second drive mechanisms 123 are respectively used to drive the third guide rail 121 and the fourth guide rail 122 to move independently, so as to achieve the purpose of adjusting the distance between the third guide rail 121 and the fourth guide rail 122.

[0082] Furthermore, the second driving mechanism 123 may also be configured as a coordinated transmission mode of a rack and a gear, so as to achieve the purpose of adjusting the distance between the third guide rail 121 and the fourth guide rail 122 .

[0083] As an optional implementation, there are four detection parts 20, and the third guide rail 121 and the fourth guide rail 122 are respectively provided with two detection parts 20, and the four detection parts 20 can be controlled independently.

[0084] Among them, the setting of four detection units 20 can adapt to the testing requirements of most vehicles. The four detection units 20 cooperate with most four-wheeled vehicles on the market to realize vehicle testing. According to the requirements of special vehicle models, the number of detection units 20 can also be increased or decreased. For example, the detection units 20 can be set to six or eight to meet the testing requirements of special vehicles, or the detection unit 20 can be set to 1 to test models such as unicycles or balance vehicles, or the detection unit 20 can be set to 2 or 3 to detect and test the corresponding models respectively. In this embodiment, the third guide rail 121 and the fourth guide rail 122 are respectively provided with two detection parts 20, and the distance between the detection parts 20 in the first preset direction can be adjusted by moving the third guide rail 121 and the fourth guide rail 122. When the first preset direction is the length direction of the vehicle, such a setting can match the vehicles to be tested with different wheelbases, and when the first preset direction is the width direction of the vehicle, such a setting can match the vehicles to be tested with different wheelbases; the four detection parts 20 can be controlled independently, so that during the test, driving forces of different directions and sizes can be applied to the four wheels of the vehicle to be tested, so as to realize the road resistance simulation of the vehicle to be tested, the uphill and downhill load of the car, the rapid acceleration and deceleration, the curve differential and other vehicle operating conditions simulation tests, and the vehicle to be tested can be an ordinary vehicle and an intelligent driving vehicle.

[0085] As an optional embodiment, two of the four detection parts 20 are connected to the third guide rail 121, and the other two detection parts 20 are connected to the fourth guide rail 122, wherein the third guide rail 121 and the fourth guide rail 122 can drive the detection parts 20 to move along the length direction of the vehicle, and the two detection parts 20 located on the third guide rail 121 can slide along the length direction of the third guide rail 121 to achieve the purpose of adjusting the distance between the two detection parts 20 on the third guide rail 121, and the two detection parts 20 located on the fourth guide rail 122 can slide along the length direction of the fourth guide rail 122 to achieve the purpose of adjusting the distance between the two detection parts 20 on the fourth guide rail 122.

[0086] As an optional embodiment, the vehicle testing system further includes a lifting mechanism 30, and at least one of the first guide rail assembly 11 and the second guide rail assembly 12 is provided with at least one lifting mechanism 30, and the lifting mechanism 30 is used to drive the vehicle to be tested to move to a preset height in the vertical direction. It is also possible to directly set part or all of the lifting mechanisms on the ground.

[0087] In an exemplary embodiment, the vehicle testing system includes four lifting mechanisms 30, and the first guide rail assembly 11 and the second guide rail assembly 12 are each provided with two lifting mechanisms 30. Preferably, the four lifting mechanisms 30 are symmetrically arranged in the first preset direction and the second preset direction. Such an arrangement can make the vehicle to be tested be subjected to uniform force, and it is more stable when supporting the vehicle to be tested. In addition, the four lifting mechanisms 30 can effectively reduce the pressure of a single lifting mechanism 30, and can also withstand vehicles to be tested with greater weight. Specifically, the lifting mechanism 30 can be a jack.

[0088] As an optional implementation, when the test bench 10 is located at the supporting position, along the second preset direction, the minimum distance between the outermost side of the outer plate 212 and the outer edge of the wheel of the vehicle to be tested is L1, wherein 18 cm ≤ L1 ≤ 22 cm.

[0089] like Figure 4 As shown, in the preferred embodiment of the present embodiment, L1 is 20 cm, and the second preset direction is the width direction, that is, the width of the test bench 10 is only increased by 20 cm on a single side relative to the body width of the test vehicle. This arrangement effectively reduces the footprint of the test bench 10.

[0090] As an optional implementation, the test bench 10 is installed on a mounting base. When the test bench 10 is located at the supporting position, the minimum distance between the vehicle to be tested and the mounting base along the vertical direction is L2, wherein 10 cm ≤ L2 ≤ 15 cm.

[0091] The installation base can be the ground or other objects. This embodiment allows the vehicle test system to be directly placed on the ground without digging a pit in advance during installation, effectively reducing the installation cost. Specifically, in order to facilitate the vehicle to drive onto the test bench 10, a small angle ramp can be built at the upper stage.

[0092] As an optional implementation, the vehicle test system further includes a control and measurement platform 40 , which is electrically connected to the driving unit 23 . The control and measurement platform 40 communicates with the driving unit 23 to control the rotation speed and rotation direction of the driving unit 23 .

[0093] It should be noted that the control and measurement station 40 can also communicate with the drive unit 23 by wireless communication. When the vehicle test system is provided with a first drive mechanism 113 and a second drive mechanism 123, the control and measurement station 40 can also communicate with the first drive mechanism 113 and the second drive mechanism 123 by electrical connection or wireless connection, so as to control the first guide rail assembly 11 and the second guide rail assembly 12 to move to the avoidance position.

[0094] When the vehicle test system in the above-mentioned embodiment is used for vehicle testing, the control platform 40 can move the first guide rail assembly 11 and the second guide rail assembly 12 to the avoidance position through the first drive mechanism 113 and the second drive mechanism 123 according to the wheelbase and track of the vehicle to be tested. After the vehicle to be tested drives to the predetermined position, the engine is turned off, and the control platform 40 moves to the working position through the first drive mechanism 113 and the second drive mechanism 123, and lifts the vehicle to be tested through the lifting mechanism 30, so that the wheels of the vehicle to be tested are lifted to a suitable height, and the wheel tires are deflated, and the inner ring body 2221 of the bearing inner ring 222 is buckled on the tire surface, and then the tire is inflated, and the wheel and the bearing inner ring 222 are locked by means of the pressing force between the expanded tire and the inner ring body 2221, and the inner disk 211 is fixed to the test stand 10. Remove or lower the height of the lifting mechanism 30 so that the weight of the vehicle body falls on the bearing structure and the mounting seat 21. Start the vehicle. When the wheel tire rolls, the inner ring 222 of the bearing structure and the outer ring 221 of the bearing roll relative to each other. The number of rotations of the inner ring body 2221 can be measured by the first detection element 24. The first detection element 24 can transmit the measured data to the host computer device. The host computer (which can be the above-mentioned measurement and control station 40) can calculate the rolling speed of the surface of the inner ring body 2221 through the number of rotations of the inner ring body 2221. The linear speed of the inner ring body 2221 can be obtained according to the rolling speed and the radius of the inner ring body 2221, that is, the linear speed of the wheel rotation is obtained. The steering wheel of the vehicle to be tested is turned. The rotation of the wheel of the vehicle to be tested drives the outer ring 221 of the bearing and the outer disk 212 to rotate relative to the fixed inner disk 211. The rotation angle of the outer disk 212 can be measured by the second detection element 25 connected to the outer disk 212, that is, the rotation angle of the wheel.

[0095] When the vehicle test system of this embodiment is used for vehicle testing, support for the rotation and rolling of the vehicle wheels and real-time online monitoring of the wheel speed and turning angle of the wheels can be achieved without removing the wheels. The vehicle test system can also be applicable to intelligent driving vehicles with different wheelbases and track widths. Through the control of the drive unit 23, road resistance simulation of intelligent driving vehicles, vehicle uphill and downhill load simulation, rapid acceleration and deceleration simulation, cornering differential and other working condition simulations can also be achieved. The vehicle test system can obtain parameters such as torque, acceleration, deceleration, rotation distance and rotational torque of the vehicle wheels in real time through the preset first detection element 24 and the second detection element 25 for subsequent analysis.

[0096] According to an embodiment of the present disclosure, a vehicle testing method is also provided, which can be used in the vehicle testing system in the aforementioned embodiment. It should be noted that the steps shown in the flowchart of the accompanying drawings can be executed in a computer system such as a set of computer executable instructions, and although a logical order is shown in the flowchart, in some cases, the steps shown or described can be executed in an order different from that shown here.

[0097] The method embodiments provided by the embodiments of the present disclosure can be executed in a mobile terminal, a computer terminal or a similar electronic device. The electronic device is intended to represent various forms of digital computers, such as laptop computers, desktop computers, workbenches, personal digital assistants, servers, blade servers, mainframe computers, and other suitable computers. The electronic device can also represent various forms of mobile devices, such as personal digital processing, cellular phones, smart phones, wearable devices and other similar computing devices. The components shown herein, their connections and relationships, and their functions are merely examples and are not intended to limit the implementation of the present disclosure described and / or required herein. Figure 1 It is a hardware structure block diagram of a computer terminal (or mobile device) for implementing a vehicle testing method according to an embodiment of the present disclosure.

[0098] like Figure 1 As shown, the computer terminal 100 includes a computing unit 101, which can perform various appropriate actions and processes according to a computer program stored in a read-only memory (ROM) 102 or a computer program loaded from a storage unit 108 into a random access memory (RAM) 103. In the RAM 103, various programs and data required for the operation of the computer terminal 100 can also be stored. The computing unit 101, the ROM 102, and the RAM 103 are connected to each other via a bus 104. An input / output (I / O) interface 105 is also connected to the bus 104.

[0099] A number of components in the computer terminal 100 are connected to the I / O interface 105, including: an input unit 106, such as a keyboard, a mouse, etc.; an output unit 107, such as various types of displays, speakers, etc.; a storage unit 108, such as a disk, an optical disk, etc.; and a communication unit 109, such as a network card, a modem, a wireless communication transceiver, etc. The communication unit 109 allows the computer terminal 100 to exchange information / data with other devices through a computer network such as the Internet and / or various telecommunication networks.

[0100] The computing unit 101 may be a variety of general and / or special processing components with processing and computing capabilities. Some examples of the computing unit 101 include, but are not limited to, a central processing unit (CPU), a graphics processing unit (GPU), various dedicated artificial intelligence (AI) computing chips, various computing units running machine learning model algorithms, digital signal processors (DSPs), and any appropriate processors, controllers, microcontrollers, etc. The computing unit 101 performs the vehicle testing method described herein. For example, in some embodiments, the vehicle testing method may be implemented as a computer software program, which is tangibly contained in a machine-readable medium, such as a storage unit 108. In some embodiments, part or all of the computer program may be loaded and / or installed on the computer terminal 100 via the ROM 102 and / or the communication unit 109. When the computer program is loaded into the RAM 103 and executed by the computing unit 101, one or more steps of the method for locating a faulty hard disk described herein may be performed. Alternatively, in other embodiments, the computing unit 101 may be configured to perform the method for locating a faulty hard disk by any other appropriate means (e.g., by means of firmware).

[0101] Various implementations of the systems and techniques described herein can be implemented in digital electronic circuit systems, integrated circuit systems, field programmable gate arrays (FPGAs), application specific integrated circuits (ASICs), application specific standard products (ASSPs), systems on chips (SOCs), load programmable logic devices (CPLDs), computer hardware, firmware, software, and / or combinations thereof. These various implementations may include: being implemented in one or more computer programs that can be executed and / or interpreted on a programmable system including at least one programmable processor, which can be a special purpose or general purpose programmable processor that can receive data and instructions from a storage system, at least one input device, and at least one output device, and transmit data and instructions to the storage system, the at least one input device, and the at least one output device.

[0102] It should be noted that, in some optional embodiments, the above Figure 1The electronic device shown may include hardware elements (including circuits), software elements (including computer code stored on a computer-readable medium), or a combination of hardware elements and software elements. It should be noted that Figure 1 This is merely one example of a particular embodiment and is intended to illustrate the types of components that may be present in the electronic devices described above.

[0103] Under the above operating environment, the present disclosure provides Figure 2 The vehicle testing method shown in the figure can be Figure 1 The computer terminal or similar electronic device shown is used for execution. Figure 2 FIG. 1 is a flow chart of a vehicle testing method according to an embodiment of the present disclosure. Figure 2 As shown, the method may include the following steps:

[0104] Step S20, detecting first position information of the vehicle to be tested, wherein the vehicle to be tested is used to obtain driving information of a preset vehicle, and the vehicle to be tested simulates a driving state of the preset vehicle based on the driving information;

[0105] Optionally, the driving information of the preset vehicle may include information such as driving speed, acceleration, deceleration, rotation distance, torque, etc. when the vehicle is in various driving states (such as uphill, downhill, turning, sudden stop, sudden acceleration, sudden deceleration, etc.) on a physical road. The vehicle to be tested simulates the driving state of the preset vehicle based on the driving information, and can measure whether the performance of the wheels of the vehicle to be tested is normal when it is in various possible driving states, which is convenient for subsequent improvement and analysis of the vehicle to be tested. For example, when the vehicle to be tested is set to an uphill state, the test shows that the wheel speed of the vehicle to be tested can successfully achieve the uphill operation, which can be applied to the subsequent automatic speed control of the intelligent driving vehicle.

[0106] Step S21, in response to determining that the vehicle to be tested is located at the first target position through the first position information, the control frame 10 moves to the supporting position to connect the detection unit 20 with the target component of the vehicle to be tested, wherein the target component includes one of the following: wheel, brake disc.

[0107] Specifically, when the detection unit 20 is connected to the wheel of the vehicle to be tested, the vehicle performance test can be performed without removing the wheel. When the whole vehicle cannot be tested directly due to vehicle model problems, the wheel can be removed and then the detection unit 20 can be connected to the brake disc to test the wheel alone. In this way, the vehicle testing method can be adapted to various types of vehicles.

[0108] Step S22, controlling the detection unit 20 to detect the rotation condition of the target component when the vehicle to be tested simulates the driving state of the preset vehicle;

[0109] That is to say, the detection unit 20 is connected to the vehicle to be tested. When the vehicle to be tested simulates the driving state of the preset vehicle, the detection unit 20 can detect the rotation condition of the target component. Specifically, the rotation condition may include information such as the number of rotations of the wheel, the rotation speed, and the rotation duration.

[0110] Step S23, obtaining wheel speed information and steering angle information based on the rotation condition;

[0111] It should be noted that the method can also obtain other information of the wheel based on the rotation condition, for example, the torque information, rapid acceleration information, rapid deceleration information, rotation distance information and rotation torque information of the wheel can be obtained. In combination with steps S20 to S23, it can be known that when the vehicle test is performed in this embodiment, the target component of the vehicle to be tested is connected to the detection unit 20, and the detection unit 20 can obtain the wheel speed and steering angle of the wheel through the rotation condition of the target component. Compared with the prior art, the vehicle to be tested can be tested in situ, and the speed and steering angle can be obtained at the same time. The test process is simpler than the prior art. Among them, the rapid acceleration information and the rapid deceleration information can also be realized by the controller controlling the driving unit 23 of the detection unit 20 to realize the opposite or the same steering of the forward and reverse steering wheels. For example, when realizing rapid acceleration, the steering of the control driving unit 23 is the same as the steering of the wheel, and when realizing rapid retrieval, the steering of the control driving unit 23 is opposite to the steering of the wheel.

[0112] Step S24, using the speed information and the steering angle information to control the driving state of the virtual vehicle in the virtual scene.

[0113] That is to say, the obtained speed information and steering angle information can be used as reference data for subsequent virtual experience design. Taking the virtual driving experience game as an example, the driving state of the virtual vehicle in the virtual scene can be set according to the vehicle speed and steering angle information under various driving conditions obtained from the test. For example, when the uphill state of the virtual vehicle is triggered, the speed of the virtual vehicle is increased to the set uphill state speed.

[0114] In the embodiment of the present disclosure, it is determined that the vehicle to be tested is located at the first target position, and the control stand 10 is moved to the supporting position so that the detection unit 20 is connected to the target component of the vehicle to be tested, so that the rotation speed information and steering angle information of the vehicle to be tested can be obtained through the rotation condition of the target component detected by the detection unit 20. The vehicle to be tested simulates the driving state of the preset vehicle based on the driving information, so the rotation speed information and steering angle information of the vehicle to be tested under different driving states can be obtained. The vehicle to be tested can be tested in situ, and the testing process is simple, which solves the technical problems of single function and cumbersome operation of vehicle testing equipment in related technologies. The rotation speed information and steering angle information obtained from the test can also be used to control the driving state of the virtual vehicle in the virtual scene, so that the driving state of the virtual vehicle in the virtual scene is more realistic and accurate.

[0115] In this embodiment, there is no need to set up an independent lifting mechanism to lift the vehicle, so that the vehicle can be connected with the target component when it moves to the first target position, which effectively improves the vehicle detection efficiency. The implementation method includes that when the vehicle is at the first target position, the target component just matches the detection part, and it is only necessary to connect the target component with the detection part, and then adjust the detection part. Adjusting the detection part includes adjusting the detection part to rise to a preset height to drive the vehicle to rise a certain distance, that is, it is only necessary to match the wheels of the vehicle with the detection part.

[0116] The above method of this embodiment is further introduced below.

[0117] As an optional implementation, in step S21, in response to determining that the vehicle to be tested is located at the first target position through the first position information, before the control stand 10 moves to the supporting position, the following method steps are also included:

[0118] Step S211 , after the lifting mechanism 30 is controlled to drive the vehicle to be tested at the first target position to a preset height in the vertical direction, the test stand 10 moves to the supporting position.

[0119] That is, after determining that the vehicle to be tested is located at the first target position, the lifting mechanism 30 is controlled to drive the vehicle to be tested located at the first target position to a preset height in the vertical direction, and then the test stand 10 moves to the supporting position.

[0120] As an optional implementation, in step S21, the control stand 10 is moved to the supporting position so that the detection unit 20 is connected to the target component of the vehicle to be tested, including the following method steps:

[0121] Step S212 , controlling the detection unit 20 to move toward one side of the vehicle to be tested until the outer tire of the wheel is located inside the bearing inner ring 222 of the locking mechanism 22 .

[0122] In step S212, the outer tire of the wheel is positioned inside the bearing inner ring 222 of the locking mechanism 22. When the vehicle is running, the rotation of the wheel drives the bearing inner ring 222 to rotate relative to the bearing outer ring. The number of rotations of the bearing inner ring 222 and other information detected by the detection element (such as a sensor, an encoder, etc.) connected to the bearing inner ring 222 disposed on the detection unit 20 can be analyzed and calculated to obtain the wheel rotation speed.

[0123] As an optional implementation, in step S212, before controlling the detection unit 20 to move toward one side of the vehicle to be tested, the following method steps are also included:

[0124] Step S2121, deflate the inner tube of the wheel for a first preset time.

[0125] Deflating the inner tube of the wheel can reduce the volume of the wheel tire, making it easier for the bearing inner ring 222 of the detection unit 20 to smoothly buckle the tire after moving toward the vehicle to be tested, and buckle the tire into the bearing inner ring 222.

[0126] As an optional implementation, in step S21, the control stand 10 is moved to the supporting position so that the detection unit 20 is connected to the target component of the vehicle to be tested, and the following method steps are also included:

[0127] Step S2122, detecting second position information of the wheel being located inside the bearing inner ring 222;

[0128] Step S2123, in response to determining that the wheel is located at the second target position through the second position information, inflating the inner tube for a second preset time.

[0129] In step S2122 and step S2123, it is determined that the wheel is located at the second target position and the inner tube is inflated, which can ensure that the wheel is located at a suitable position in the inner ring 222 of the bearing, and the gap between the outer tube of the wheel and the surface of the inner ring 222 of the bearing is uniform. In this way, when the inner tube is inflated, the wheel expands evenly to fill the gap between the outer tube of the wheel and the surface of the inner ring 222 of the bearing, so that the surface of the inner ring 222 of the bearing produces a uniform extrusion force on the outer tube of the wheel. The detection unit 20 is connected and fixed to the wheel, which can also avoid the problems of tire disengagement, inaccurate test results, and unsmooth test process caused by the gap between the inner ring 222 of the bearing and the tire during subsequent vehicle testing. It should be noted that the second preset time and the first preset time should be reasonably set to avoid the problem of reducing the test efficiency due to too long time and the problem of insufficient connection stability caused by too short time.

[0130] As an optional implementation, after step S2122, the control stand 10 is moved to the supporting position so that the detection unit 20 is connected to the target component of the vehicle to be tested, and the following steps are also included:

[0131] Step S2124, in response to determining that the wheel is located at the second target position through the second position information, controlling the tensioning member of the locking mechanism 22 to start inflating until the tensioning member is in a tensioned state.

[0132] Using a separately provided tensioning piece for inflation to connect the detection unit 20 to the target component of the vehicle to be tested can reduce the damage to the tire of the wheel caused by the inflation and deflation process. Preferably, the tensioning piece is arranged in an annular shape and is arranged on the surface of the bearing inner ring 222. When the tensioning piece is in a tensioned state, the tensioning piece is completely in contact with the outer tire of the wheel, and the tensioning piece applies pressure to the wheel to ensure a stable connection between the wheel and the detection unit 20.

[0133] Step S2124 is applicable to the case where the locking mechanism 22 is provided with a tensioning member. In actual operation, according to the structural setting of the specific vehicle testing system, the vehicle testing method may include step S2124, step S2123 and step S2121 at the same time, or may include only one or more of them. The following will be described with a specific embodiment:

[0134] Embodiment 1:

[0135] In step S21, the control stand 10 is moved to the supporting position so that the detection unit 20 is connected to the target component of the vehicle to be tested, and the steps include:

[0136] Step S2121, deflating the inner tube of the wheel for a first preset time;

[0137] Step S212, controlling the detection unit 20 to move toward one side of the vehicle to be tested until the outer tire of the wheel is located inside the bearing inner ring 222 of the locking mechanism 22;

[0138] Step S2122, detecting second position information of the wheel being located inside the bearing inner ring 222;

[0139] Step S2123, in response to determining that the wheel is located at the second target position through the second position information, inflating the inner tube for a second preset time;

[0140] Step S2124, in response to determining that the wheel is located at the second target position through the second position information, controlling the tensioning member of the locking mechanism 22 to start inflating until the tensioning member is in a tensioned state.

[0141] It should be noted that, in this embodiment, step S2123 and step S2124 may be performed simultaneously. Performing step S2123 and step S2124 simultaneously may enable the detection unit 20 to lock the wheel more quickly, thus saving inflation time.

[0142] Embodiment 2:

[0143] In step S21, the control stand 10 is moved to the supporting position so that the detection unit 20 is connected to the target component of the vehicle to be tested, and the steps include:

[0144] Step S2121, deflating the inner tube of the wheel for a first preset time;

[0145] Step S212, controlling the detection unit 20 to move toward one side of the vehicle to be tested until the outer tire of the wheel is located inside the bearing inner ring 222 of the locking mechanism 22;

[0146] Step S2122, detecting second position information of the wheel being located inside the bearing inner ring 222;

[0147] Step S2123, in response to determining that the wheel is located at the second target position through the second position information, inflating the inner tube for a second preset time.

[0148] In this embodiment, step S2124 is not involved, that is, the vehicle testing system in this embodiment may not be provided with a tensioning member, and the locking and releasing of the detection unit 20 and the wheel can be achieved only by inflation and deflation of the wheel itself.

[0149] Embodiment three:

[0150] In step S21, the control stand 10 is moved to the supporting position so that the detection unit 20 is connected to the target component of the vehicle to be tested, and the steps include:

[0151] Step S212, controlling the detection unit 20 to move toward one side of the vehicle to be tested until the outer tire of the wheel is located inside the bearing inner ring 222 of the locking mechanism 22;

[0152] Step S2122, detecting second position information of the wheel being located inside the bearing inner ring 222;

[0153] Step S2124, in response to determining that the wheel is located at the second target position through the second position information, controlling the tensioning member of the locking mechanism 22 to start inflating until the tensioning member is in a tensioned state.

[0154] In this embodiment, step S2121 and step S2123 are not involved, that is, in this embodiment, the locking and releasing of the detection part 20 and the wheel are achieved only by the inflation and deflation of the tensioning member, which can effectively reduce the damage to the tire caused by frequent inflation and deflation.

[0155] As an optional implementation, in step S21, the control stand 10 is moved to the supporting position so that the detection unit 20 is connected to the target component of the vehicle to be tested, and the following method steps are also included:

[0156] Step S2131, disassembling the wheels of the vehicle to be tested located at the supporting position;

[0157] Step S2132, the detection unit 20 moves toward one side of the vehicle to be tested to detect the third position information of the brake disc of the vehicle to be tested being located in the bearing inner ring 222;

[0158] Step S2133 , in response to determining that the brake disc is located at the third target position through the third position information, connecting the brake disc to the connecting member 2222 of the locking mechanism 22 .

[0159] In this embodiment, the wheel is disassembled and the brake disc is connected to the connecting piece 2222 of the locking mechanism 22. When the gap between the wheel arch and the tire of the wheel of the vehicle to be tested is small and the whole vehicle test cannot be directly performed, the wheel can be removed for a separate test, which effectively improves the practicality of the vehicle testing method disclosed in the present invention.

[0160] As an optional implementation, in step S21, before the vehicle to be tested is located at the first target position, the method further includes the following steps:

[0161] Step S2141, obtaining wheelbase information of the vehicle to be tested;

[0162] Step S2142: Based on the wheelbase information, the first guide rail 111 and the second guide rail 112 of the control frame 10 are moved to the avoidance position.

[0163] According to the wheelbases of different vehicles to be tested, the first guide rail 111 and the second guide rail 112 have different avoidance positions, so that the method disclosed in the present invention can be applied to more vehicle models.

[0164] As an optional implementation, in step S21, the control stand 10 is moved to the supporting position so that the detection unit 20 is connected to the target component of the vehicle to be tested, and the following method steps are also included:

[0165] Step S2151, when it is detected that the vehicle to be tested is located at the first target position, the first guide rail 111 and the second guide rail 112 are controlled to move to the supporting position;

[0166] Step S2152, obtaining the wheelbase information of the vehicle to be tested;

[0167] Step S2153, based on the wheelbase information, the third guide rail 121 and the fourth guide rail 122 of the control frame 10 are moved to a position matching the wheelbase of the vehicle to be tested;

[0168] Step S2154, when the distance between the third guide rail 121 and the fourth guide rail 122 matches the wheelbase of the vehicle to be tested, control the detection unit 20 located on the third guide rail 121 and the fourth guide rail 122 to move toward one side of the vehicle to be tested so that the detection unit 20 is connected to the target component of the vehicle to be tested.

[0169] In this embodiment, the first guide rail 111 and the second guide rail 112 are moved to the supporting position, and the third guide rail 121 and the fourth guide rail 122 of the control frame 10 are moved to the position matching the wheelbase of the vehicle to be tested according to the wheelbase information of the vehicle to be tested, so that the detection unit 20 located on the third guide rail 121 and the fourth guide rail 122 can move along the third guide rail 121 and the fourth guide rail 122 to approach the wheel of the vehicle to be tested.

[0170] In combination with step S2141, step S2142, step S2151, step S2152, step S2153, and step S2154, the positions of the first guide rail 111 and the second guide rail 112, the third guide rail 121 and the fourth guide rail 122, and the detection unit 20 can be flexibly adjusted according to the wheelbase and track of the vehicle to achieve testing of vehicles of various sizes.

[0171] It should be noted that step S2141 , step S2142 , step S2151 , step S2152 , step S2153 , and step S2154 may be adaptively adjusted according to the specific structural setting of the detection unit 20 .

[0172] Through the description of the above implementation methods, those skilled in the art can clearly understand that the method according to the above embodiment can be implemented by means of software plus a necessary general hardware platform, and of course can also be implemented by hardware, but in many cases the former is a better implementation method. Based on such an understanding, the technical solution of the present disclosure is essentially or the part that contributes to the prior art can be embodied in the form of a software product, which is stored in a storage medium and includes a number of instructions for enabling a terminal device such as a mobile phone, a computer, a server, or a network device to execute the methods of various embodiments of the present disclosure.

[0173] The present disclosure also provides a vehicle testing device, which is used to implement the above-mentioned embodiments and preferred implementations, and will not be repeated here. As used below, the term "module" can be a combination of software and / or hardware that implements a predetermined function. Although the devices described in the following embodiments are preferably implemented in software, the implementation of hardware, or a combination of software and hardware, is also possible and conceivable.

[0174] Figure 3 is a structural block diagram of a vehicle testing device according to an embodiment of the present disclosure, such as Figure 8 As shown, the vehicle testing device 300 includes: a first detection module 301 , a response module 302 , a second detection module 303 , and an acquisition module 304 .

[0175] A first detection module 301 is used to detect first position information of a vehicle to be tested, wherein the vehicle to be tested is used to obtain driving information of a preset vehicle, and the vehicle to be tested simulates a driving state of the preset vehicle based on the driving information;

[0176] The response module 302 is used for controlling the frame 10 to move to the supporting position in response to determining that the vehicle to be tested is located at the first target position through the first position information, so that the detection unit 20 is connected to the target component of the vehicle to be tested, wherein the target component includes one of the following: a wheel, a brake disc;

[0177] The second detection module 303 is used to control the detection unit 20 to detect the rotation condition of the target component when the vehicle to be tested simulates the driving state of the preset vehicle;

[0178] The acquisition module 304 is used to acquire wheel speed information and steering angle information.

[0179] In the embodiment of the present disclosure, it is determined that the vehicle to be tested is located at the first target position, and the control stand 10 is moved to the supporting position so that the detection unit 20 is connected to the target component of the vehicle to be tested, so that the rotation speed information and steering angle information of the vehicle to be tested can be obtained through the rotation condition of the target component detected by the detection unit 20. The vehicle to be tested simulates the driving state of the preset vehicle based on the driving information, so the rotation speed information and steering angle information of the vehicle to be tested under different driving states can be obtained. The vehicle to be tested can be tested in situ, and the testing process is simple, which solves the technical problems of single function and cumbersome operation of vehicle testing equipment in related technologies. The rotation speed information and steering angle information obtained from the test can also be used to control the driving state of the virtual vehicle in the virtual scene, so that the driving state of the virtual vehicle in the virtual scene is more realistic and accurate.

[0180] It should be noted that the above modules can be implemented by software or hardware. For the latter, it can be implemented in the following ways, but not limited to: the above modules are all located in the same processor; or the above modules are located in different processors in any combination.

[0181] According to an embodiment of the present disclosure, the present disclosure also provides an electronic device, including a memory and at least one processor, wherein the memory stores computer instructions, and the processor is configured to run the computer instructions to execute the steps in any one of the above method embodiments.

[0182] Optionally, the electronic device may further include a transmission device and an input / output device, wherein the transmission device is connected to the processor, and the input / output device is connected to the processor.

[0183] Optionally, in this embodiment, the processor may be configured to perform the following steps through a computer program:

[0184] Step S1, detecting first position information of a vehicle to be tested, wherein the vehicle to be tested is used to obtain driving information of a preset vehicle, and the vehicle to be tested simulates a driving state of the preset vehicle based on the driving information;

[0185] Step S2, in response to determining that the vehicle to be tested is located at the first target position through the first position information, the control frame 10 moves to the supporting position so that the detection unit 20 is connected to the target component of the vehicle to be tested, wherein the target component includes one of the following: a wheel, a brake disc;

[0186] Step S3, controlling the detection unit 20 to detect the rotation condition of the target component when the vehicle to be tested simulates the driving state of the preset vehicle;

[0187] Step S4, obtaining wheel speed information and steering angle information based on the rotation condition;

[0188] Step S5, using the speed information and the steering angle information to control the driving state of the virtual vehicle in the virtual scene.

[0189] Optionally, the specific examples in this embodiment may refer to the examples described in the above embodiments and optional implementation modes, and this embodiment will not be described in detail here.

[0190] According to an embodiment of the present disclosure, the present disclosure also provides a non-transitory computer-readable storage medium storing computer instructions, wherein the non-transitory computer-readable storage medium stores computer instructions, wherein the computer instructions are configured to execute the steps of any of the above method embodiments when running.

[0191] Optionally, in this embodiment, the non-volatile storage medium may be configured to store a computer program for performing the following steps:

[0192] Step S1, detecting first position information of a vehicle to be tested, wherein the vehicle to be tested is used to obtain driving information of a preset vehicle, and the vehicle to be tested simulates a driving state of the preset vehicle based on the driving information;

[0193] Step S2, in response to determining that the vehicle to be tested is located at the first target position through the first position information, the control frame 10 moves to the supporting position so that the detection unit 20 is connected to the target component of the vehicle to be tested, wherein the target component includes one of the following: a wheel, a brake disc;

[0194] Step S3, controlling the detection unit 20 to detect the rotation condition of the target component when the vehicle to be tested simulates the driving state of the preset vehicle;

[0195] Step S4, obtaining wheel speed information and steering angle information based on the rotation condition;

[0196] Step S5, using the speed information and the steering angle information to control the driving state of the virtual vehicle in the virtual scene.

[0197] Optionally, in this embodiment, the above-mentioned non-transitory computer-readable storage medium may include but is not limited to: a USB flash drive, a read-only memory ROM, a random access memory RAM, a mobile hard disk, a magnetic disk or an optical disk, and other media that can store computer programs.

[0198] According to an embodiment of the present disclosure, the present disclosure also provides a computer program product. The program code for implementing the vehicle testing method of the present disclosure can be written in any combination of one or more programming languages. These program codes can be provided to a processor or controller of a general-purpose computer, a special-purpose computer, or other programmable data processing device, so that when the program code is executed by the processor or controller, the functions / operations specified in the flow chart and / or block diagram are implemented. The program code can be executed entirely on the machine, partially on the machine, partially on the machine as a stand-alone software package and partially on a remote machine, or entirely on a remote machine or server.

[0199] The serial numbers of the above-mentioned embodiments of the present disclosure are only for description and do not represent the advantages or disadvantages of the embodiments.

[0200] In the above embodiments of the present disclosure, the description of each embodiment has its own emphasis. For parts that are not described in detail in a certain embodiment, reference can be made to the relevant descriptions of other embodiments.

[0201] In the several embodiments provided in the present disclosure, it should be understood that the disclosed technical content can be implemented in other ways. Among them, the device embodiments described above are only schematic. For example, the division of units can be a logical function division. There may be other division methods in actual implementation. For example, multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the mutual coupling or direct coupling or communication connection shown or discussed can be through some interfaces, indirect coupling or communication connection of units or modules, which can be electrical or other forms.

[0202] The units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed over multiple units. Some or all of the units may be selected according to actual needs to achieve the purpose of the present embodiment.

[0203] In addition, each functional unit in each embodiment of the present disclosure may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit. The above-mentioned integrated unit may be implemented in the form of hardware or in the form of software functional units.

[0204] If the integrated unit is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the present disclosure is essentially or the part that contributes to the prior art or all or part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium, including a number of instructions for a computer device (which can be a personal computer, a server or a network device, etc.) to perform all or part of the steps of the method described in each embodiment of the present disclosure. The aforementioned storage medium includes: U disk, read-only memory (ROM), random access memory (RAM), mobile hard disk, disk or optical disk and other media that can store program codes.

[0205] The above is only a preferred embodiment of the present disclosure. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present disclosure. These improvements and modifications should also be regarded as the scope of protection of the present disclosure.

Claims

1. A vehicle testing system, comprising: A test bench (10), the test bench (10) having a supporting position for supporting a vehicle to be tested, and the test bench (10) having a avoiding position for avoiding the vehicle to be tested; A detection unit (20), the detection unit (20) being connected to the stand (10), and the stand (10) being capable of driving the detection unit (20) to move to the supporting position and the avoiding position; The detection unit (20) comprises a mounting seat (21) and a locking mechanism (22), wherein the mounting seat (21) is rotatably connected to the test stand (10), and the locking mechanism (22) is connected to the mounting seat (21), and a portion of the locking mechanism (22) is rotatably arranged relative to the mounting seat (21), and the locking mechanism (22) has a locking state for locking at least one of a wheel and a brake disc of the vehicle to be tested, and a releasing state for releasing the wheel and the brake disc; The mounting seat (21) and the rotating axis of the stand (10) are arranged in a vertical direction, and the locking mechanism (22) and the rotating axis of the mounting seat (21) are arranged in a horizontal direction; The locking mechanism (22) comprises a bearing structure, the bearing structure comprises a bearing outer ring (221) and a bearing inner ring (222), a rolling body is arranged between the bearing inner ring (222) and the bearing outer ring (221), the bearing outer ring (221) is connected to the mounting seat (21), the inner peripheral surface of the bearing inner ring (222) forms an accommodating space for accommodating the wheel and the brake disc, and the bearing inner ring (222) has the locking state and the releasing state; When the bearing inner ring (222) is in the locked state, the rotation of the wheel drives the bearing structure to rotate. The rotation angle of the wheel is obtained by measuring the rotation angle of the bearing structure relative to the mounting seat (21). When the wheel rolls, it can drive the bearing inner ring (222) to rotate relative to the bearing outer ring (221). The rolling speed of the inner circumference of the bearing inner ring (222) is measured. The linear speed of the inner circumference of the bearing inner ring (222) can be calculated based on the rolling speed and the radius of the inner circumference of the bearing inner ring (222). The linear speed is the linear speed of the wheel.

2. The vehicle testing system according to claim 1, wherein: The bearing inner ring (222) comprises: An inner ring body (2221), wherein the inner ring body (2221) is an annular structure; A connecting piece (2222), part of the connecting piece (2222) is connected to the inner ring body (2221), and another part of the connecting piece (2222) is connected to the mounting seat (21).

3. The vehicle testing system according to claim 2, wherein: The connecting member (2222) comprises: A connecting body (22221), wherein a connecting hole is provided on the connecting body (22221), and the connecting body (22221) is detachably connected to the brake disc through the connecting hole; The connecting spokes (22222) are multiple, and the multiple connecting spokes (22222) are arranged at intervals along the circumference of the connecting body (22221). The connecting body (22221) is connected to the inner ring body (2221) through the multiple connecting spokes (22222).

4. The vehicle testing system according to claim 2 or 3, wherein: The detection unit (20) further includes: A driving part (23), wherein the driving part (23) is connected to the connecting member (2222), and the driving part (23) can drive the inner ring body (2221) to rotate forward and reverse.

5. The vehicle testing system according to claim 2 or 3, wherein: The detection unit (20) comprises: a first detection element (24), the first detection element (24) being connected to the connecting member (2222), the first detection element (24) being used to detect the number of rotations of the inner ring body (2221); and / or A second detection element (25), the second detection element (25) is connected to one of the mounting seat (21) and the stand (10), and the second detection element (25) is used to detect the rotation angle of the mounting seat (21).

6. The vehicle testing system according to claim 4, wherein: The locking mechanism (22) further comprises: A tensioning member, at least part of which is arranged in the inner ring (222) of the bearing, and the tensioning member has a tensioning state. When the tensioning member is in the tensioning state, the tensioning member applies a tensioning force to the wheel of the vehicle to be tested.

7. The vehicle testing system according to claim 6, wherein: The tensioning member comprises an annular tensioning ring, which is arranged to extend along the circumference of the bearing inner ring (222), and has a tensioning state when inflated and an initial state when deflated.

8. The vehicle testing system according to claim 4, wherein: The mounting seat (21) comprises: An inner plate (211), the inner plate (211) being connected to the stand (10); The outer disk (212) is an annular structure, the inner circle of the outer disk (212) is arranged along the circumference of the inner disk (211), the outer disk (212) is connected to the bearing outer ring (221), and the outer disk (212) can drive the bearing outer ring (221) to be rotatably arranged relative to the inner disk (211).

9. The vehicle testing system according to claim 8, wherein: A support member (2121) is provided on the outer disk (212), the driving part (23) is connected to the support member (2121), and the output shaft of the driving part (23) is connected to the connecting member (2222).

10. The vehicle testing system according to claim 8, wherein: The stand (10) comprises: A first guide rail assembly (11), wherein the first guide rail assembly (11) is arranged along a first preset direction; A second guide rail assembly (12), wherein the second guide rail assembly (12) is arranged along a second preset direction, and the second guide rail assembly (12) is movably connected to the first guide rail assembly (11), so that at least a part of the second guide rail assembly (12) is movably arranged relative to the first guide rail assembly (11), and the plurality of detection parts (20) are connected to at least one of the first guide rail assembly (11) and the second guide rail assembly (12), and the first guide rail assembly (11) and the second guide rail assembly (12) can drive the plurality of detection parts (20) to be located at the supporting position and the avoiding position, and the first preset direction and the second preset direction are arranged at an angle.

11. The vehicle testing system according to claim 10, wherein: The first guide rail assembly (11) comprises: A first guide rail (111); a second guide rail (112), wherein the second guide rail (112) and the first guide rail (111) are both extended along the first preset direction, and the second guide rail (112) and the first guide rail (111) are arranged opposite to each other; A first driving mechanism (113), the first driving mechanism (113) being connected to the first guide rail (111) and the second guide rail (112), the first driving mechanism (113) being used to drive the first guide rail (111) and the second guide rail (112) to move so as to adjust the distance between the first guide rail (111) and the second guide rail (112) in the second preset direction.

12. The vehicle testing system according to claim 11, wherein: The second guide rail assembly (12) comprises: A third guide rail (121); a fourth guide rail (122), the fourth guide rail (122) and the third guide rail (121) both extending along the second preset direction, the fourth guide rail (122) and the third guide rail (121) being arranged opposite to each other and being located on the same side of the first guide rail (111) and the second guide rail (112); A second driving mechanism (123), the second driving mechanism (123) is connected to the third guide rail (121) and the fourth guide rail (122), and the second driving mechanism (123) is used to drive the third guide rail (121) and the fourth guide rail (122) to move so as to adjust the distance between the third guide rail (121) and the fourth guide rail (122) in the first preset direction.

13. The vehicle testing system according to claim 12, wherein: There are four detection parts (20), and the third guide rail (121) and the fourth guide rail (122) are respectively provided with two detection parts (20), and the four detection parts (20) can be independently controlled.

14. The vehicle testing system according to claim 11, wherein: The vehicle testing system further comprises: A lifting mechanism (30), wherein at least one of the first guide rail assembly (11) and the second guide rail assembly (12) is provided with at least one lifting mechanism (30), and the lifting mechanism (30) is used to drive the vehicle to be tested to move in a vertical direction to a preset height.

15. The vehicle testing system according to claim 10, wherein: When the test stand (10) is located at the supporting position, along the second preset direction, the minimum distance between the outermost side of the outer plate (212) and the outer edge of the wheel of the vehicle to be tested is L1, wherein 18 cm ≤ L1 ≤ 22 cm.

16. The vehicle testing system according to claim 1 or 15, wherein: The test bench (10) is installed on a mounting base. When the test bench (10) is located at the supporting position, the minimum distance between the vehicle to be tested and the mounting base along the vertical direction is L2, wherein 10 cm ≤ L2 ≤ 15 cm.

17. The vehicle testing system according to claim 4, wherein: The vehicle testing system further comprises: A control and measurement platform (40), the control and measurement platform (40) is electrically connected to the driving unit (23), and the control and measurement platform (40) communicates with the driving unit (23) to control the rotation speed and / or rotation direction of the driving unit (23).

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