Fusion test bench of automatic driving system

Abstract

The utility model discloses a fusion test bench of an automatic driving system, which belongs to the field of vehicle testing and comprises a base, a plurality of simulation supports arranged at equal intervals are mounted at the top end of the base, a platform is fixedly connected to the top end of the base, and the simulation supports are matched with the platform; according to the key points of the technical scheme, the positions of a simulation support and a platform are limited through a base, the simulation support is used for parking four wheels of a vehicle, the platform is used for parking a vehicle body, a user can conveniently adjust the position on the platform when parking the vehicle, and the wheels can accurately enter the simulation support; one or more impact blocks impact a collided block, the collided block moves upwards, the collided block drives a currently parked wheel to move upwards, the whole vehicle inclines, driving of the vehicle on a bumpy road section is simulated, and the driving condition of the vehicle encountering the bumpy road section during automatic driving is tested.

Description

Technical Field

[0001] The utility model relates to the field of vehicle testing, and more specifically, to a fusion test bench for an automatic driving system. Background Art

[0002] Vehicles are an important means of transportation. Vehicles are now divided into manual driving and automatic driving. Among them, automatic driving is very popular. Before the vehicle leaves the factory, it needs to be tested to ensure that the vehicle can meet factory requirements.

[0003] Chinese patent application number: CN202220615641.8, provides a vehicle test bench. This solution can simulate and test the dynamic performance of the vehicle on the vehicle test bench through the setting of the wheel hub assembly, realize the full process simulation and testing of the vehicle electrical system, and improve the comprehensiveness and effectiveness of the test without using a fully assembled vehicle.

[0004] However, when a real vehicle is actually driving, it will encounter bumpy roads. When driving on bumpy roads, it is not convenient to use the above solution to test. Therefore, a fusion test bench for an autonomous driving system is proposed to address the above problem. Utility Model Content

[0005] In order to overcome the deficiencies of the prior art, the purpose of the utility model is to provide a fusion test bench for an autonomous driving system, wherein the positions of a simulation bracket and a platform are limited by a base, the simulation bracket is used to park the four wheels of the vehicle, and the platform is used to park the vehicle body, so that the user can adjust the position on the platform when parking the vehicle, so that the wheels can accurately enter the simulation bracket, wherein, after the simulation bracket parks the wheel, a single or multiple impact blocks hit the impacted block, and the impacted block moves upward, and at the same time, the impacted block drives the currently parked wheel to move upward, so that the vehicle as a whole tilts, simulating the vehicle's driving on a bumpy road section, and testing the vehicle's driving conditions on bumpy roads during autonomous driving.

[0006] The above technical objectives of the utility model are achieved through the following technical solutions:

[0007] A fusion test bench for an autonomous driving system comprises a base, a plurality of simulation brackets arranged equidistantly are installed on the top of the base, a platform is fixedly connected to the top of the base, and the simulation bracket is adapted to the platform; the simulation bracket comprises a collision block, a collision block is installed above the collision block, the collision block is adapted to the collision block, a wheel positioning block is installed on the top of the collision block, a plurality of symmetrically distributed buffer springs are fixedly connected to the bottom end of the wheel positioning block, a buffer sleeve is installed on the outer end of the buffer spring, and the buffer sleeve is connected to the base;

[0008] The positions of the simulation bracket and the platform are limited by the base. The simulation bracket is used to park the four wheels of the vehicle, and the platform is used to park the vehicle body, so that the user can adjust the position on the platform when parking the vehicle, so that the wheels can accurately enter the simulation bracket. Among them, after the simulation bracket parks the wheel, a single or multiple impact blocks hit the impacted block, and the impacted block moves upward. At the same time, the impacted block drives the currently parked wheel to move upward, so that the vehicle as a whole tilts, simulating the vehicle's driving on a bumpy road section, and testing the vehicle's driving conditions on bumpy roads during automatic driving.

[0009] Reference Figure 3-Figure 4 As shown, the simulation bracket also includes a plurality of symmetrically distributed plug blocks, and the plurality of plug blocks are all installed at the bottom end of the buffer sleeve and located at the top end of the base, and the plug blocks are fixedly connected to the base.

[0010] The outer end of the plug block is fixedly connected with a motor, the output end of the motor is connected with a transmission shaft, the transmission shaft passes through the plug block, and the transmission shaft is rotatably connected with the plug block.

[0011] The outer end of the transmission shaft is fixedly connected with a protrusion located on the inner side of the insert block, and the protruding end of the protrusion is rotatably connected with a connecting rod, which is adapted to the buffer sleeve and rotatably connected to the impact block.

[0012] The simulation bracket also includes a limit block, which is installed on the inner end of the buffer sleeve and is fixedly connected to the buffer sleeve.

[0013] The impact block is located at the top of the limiting block and passes through the top of the limiting block.

[0014] The impact block is located at the bottom end of the buffer sleeve, the impact block passes through the top end of the buffer sleeve, and the impact block is slidably connected to the buffer sleeve;

[0015] The motor drives the transmission shaft to rotate, the transmission shaft drives the bump to rotate, the bump drives the connecting rod to rise and fall, the connecting rod drives the impact block to rise and fall, and the impact block hits the impacted block during the lifting process, so that the impacted block drives the wheel positioning block to rise and fall, thereby simulating the up and down bumpy feeling brought to the vehicle by the bumpy road section.

[0016] In summary, the utility model has the following beneficial effects:

[0017] (1) In this scheme, a single or multiple impact blocks impact the impacted block, causing the impacted block to move upward. At the same time, the impacted block drives the currently parked wheels to move upward, causing the vehicle to tilt as a whole, simulating the vehicle's driving on a bumpy road section, and testing the vehicle's driving conditions on a bumpy road section during autonomous driving.

[0018] (2) In this solution, the motor drives the transmission shaft to rotate, the transmission shaft drives the bump to rotate, the bump drives the connecting rod to rise and fall, the connecting rod drives the impact block to rise and fall, and the impact block hits the impacted block during the process of rising and falling, so that the impacted block drives the wheel positioning block to rise and fall, thereby simulating the up and down bumping feeling brought to the vehicle by the bumpy road section. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of this embodiment;

[0020] Figure 2 Schematic diagram of the split structure in this embodiment;

[0021] Figure 3 is a schematic diagram of the structure of the simulated stent cut in this embodiment;

[0022] Figure 4 It is a structural schematic diagram of simulating the disassembly of the bracket in this embodiment.

[0023] In the figure, 1, base; 2, platform; 3, simulated bracket; 301, plug block; 302, transmission shaft; 303, bump; 304, motor; 305, connecting rod; 306, impact block; 308, limit block; 309, buffer sleeve; 310, impact block; 311, wheel positioning block; 312, buffer spring. DETAILED DESCRIPTION

[0024] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0025] The same parts are denoted by the same reference numerals. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings, and the words "bottom" and "top", "inner" and "outer" refer to directions toward or away from the geometric center of a specific component, respectively.

[0026] Reference Figure 1-Figure 4 As shown, a fusion test bench of an automatic driving system in a preferred embodiment of the utility model comprises a base 1, a plurality of simulation brackets 3 arranged equidistantly are installed on the top of the base 1, a platform 2 is fixedly connected to the top of the base 1, and the simulation bracket 3 is adapted to the platform 2; the simulation bracket 3 comprises an impact block 306, an impacted block 310 is installed above the impact block 306, the impacted block 310 is adapted to the impact block 306, a wheel positioning block 311 is installed on the top of the impacted block 310, a plurality of symmetrically distributed buffer springs 312 are fixedly connected to the bottom end of the wheel positioning block 311, a buffer sleeve 309 is installed on the outer end of the buffer spring 312, and the buffer sleeve 309 is connected to the base 1;

[0027] The positions of the simulation bracket 3 and the platform 2 are limited by the base 1. The simulation bracket 3 is used to park the four wheels of the vehicle, and the platform 2 is used to park the vehicle body, so that the user can adjust the position on the platform 2 when parking the vehicle, so that the wheels can accurately enter the simulation bracket 3. After the simulation bracket 3 parks the wheels, a single or multiple impact blocks 306 impact the impacted block 310, and the impacted block 310 moves up. At the same time, the impacted block 310 drives the currently parked wheel to move up, so that the vehicle as a whole tilts, simulating the driving of the vehicle on a bumpy road section, and testing the driving condition of the vehicle encountering a bumpy road section during automatic driving.

[0028] Reference Figure 3-Figure 4 As shown, the simulation bracket 3 also includes a plurality of symmetrically distributed plug blocks 301 , and the plurality of plug blocks 301 are all installed at the bottom end of the buffer sleeve 309 and located at the top end of the base 1 , and the plug blocks 301 are fixedly connected to the base 1 .

[0029] The outer end of the plug block 301 is fixedly connected to a motor 304 , and the output end of the motor 304 is connected to a transmission shaft 302 . The transmission shaft 302 penetrates the plug block 301 , and the transmission shaft 302 is rotatably connected to the plug block 301 .

[0030] The outer end of the transmission shaft 302 is fixedly connected with a protrusion 303 located on the inner side of the insert block 301 . The protruding end of the protrusion 303 is rotatably connected with a connecting rod 305 . The connecting rod 305 is adapted to the buffer sleeve 309 , and the connecting rod 305 is rotatably connected to the impact block 306 .

[0031] The simulation bracket 3 further includes a limit block 308 , which is installed at the inner end of the buffer sleeve 309 , and the limit block 308 is fixedly connected to the buffer sleeve 309 .

[0032] The impact block 310 is located at the top of the limiting block 308 and passes through the top of the limiting block 308 .

[0033] The impact block 306 is located at the bottom end of the buffer sleeve 309, and the impact block 306 passes through the top end of the buffer sleeve 309. The impact block 306 is slidably connected to the buffer sleeve 309;

[0034] The motor 304 drives the transmission shaft 302 to rotate, the transmission shaft 302 drives the protrusion 303 to rotate, the protrusion 303 drives the connecting rod 305 to rise and fall, the connecting rod 305 drives the impact block 306 to rise and fall, and the impact block 306 hits the impacted block 310 during the process of rising and falling, so that the impacted block 310 drives the wheel positioning block 311 to rise and fall, thereby simulating the up and down bumping feeling brought to the vehicle by the bumpy road section.

[0035] Specific implementation process: first, drive the vehicle onto the platform 2, adjust the tire position of the wheel, and let the wheel fall on the wheel positioning block 311, then, start the motor 304 to drive the transmission shaft 302 to rotate, the transmission shaft 302 drives the protrusion 303 to rotate, the protrusion 303 drives the connecting rod 305 to rise and fall, the connecting rod 305 drives the impact block 306 to rise and fall, and the impact block 306 hits the impacted block 310 during the lifting process, so that a single or multiple impact blocks 306 hit the impacted block 310, and the impacted block 310 moves up, and at the same time, the impacted block 310 drives the currently parked wheel to move up, so that the vehicle as a whole tilts, simulating the driving of the vehicle on a bumpy road section, and testing the driving condition of the vehicle encountering a bumpy road section during automatic driving, by controlling the up and down movement of the independent simulation bracket 3, the different wheels of the vehicle can be tested for bumps, and vibration can also be formed by the buffer spring 312, so that the vehicle can be vibrated, integrating the testing of the vehicle during bumps and vibrations.

[0036] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A fusion test bench for an autonomous driving system, comprising a base (1), characterized in that: A plurality of simulation brackets (3) arranged at equal distances are installed on the top of the base (1); a platform (2) is fixedly connected to the top of the base (1); and the simulation brackets (3) are adapted to the platform (2); The simulation bracket (3) comprises a collision block (306), a collision block (310) is installed above the collision block (306), the collision block (310) is matched with the collision block (306), a wheel positioning block (311) is installed at the top of the collision block (310), a plurality of symmetrically distributed buffer springs (312) are fixedly connected to the bottom end of the wheel positioning block (311), a buffer sleeve (309) is installed at the outer end of the buffer spring (312), and the buffer sleeve (309) is connected to the base (1).

2. The fusion test bench of an autonomous driving system according to claim 1, characterized in that: The simulation bracket (3) further comprises a plurality of symmetrically distributed plug blocks (301), wherein the plurality of plug blocks (301) are all mounted on the bottom end of the buffer sleeve (309) and located at the top end of the base (1), and the plug blocks (301) are fixedly connected to the base (1).

3. The fusion test bench of an autonomous driving system according to claim 2, characterized in that: The outer end of the plug block (301) is fixedly connected to a motor (304), the output end of the motor (304) is connected to a transmission shaft (302), the transmission shaft (302) passes through the plug block (301), and the transmission shaft (302) is rotatably connected to the plug block (301).

4. The fusion test bench of an autonomous driving system according to claim 3, characterized in that: A protrusion (303) is fixedly connected to the outer end of the transmission shaft (302) and located on the inner side of the insert block (301), and a connecting rod (305) is rotatably connected to the protruding end of the protrusion (303). The connecting rod (305) is adapted to the buffer sleeve (309), and the connecting rod (305) is rotatably connected to the impact block (306).

5. The fusion test bench of an autonomous driving system according to claim 1, characterized in that: The simulation bracket (3) further comprises a limit block (308), wherein the limit block (308) is mounted on the inner end of the buffer sleeve (309), and the limit block (308) is fixedly connected to the buffer sleeve (309).

6. The fusion test bench of an autonomous driving system according to claim 1, characterized in that: The impact block (310) is located at the top of the limiting block (308), and the impact block (310) passes through the top of the limiting block (308).

7. The fusion test bench of an autonomous driving system according to claim 4, characterized in that: The impact block (306) is located at the bottom end of the buffer sleeve (309), the impact block (306) passes through the top end of the buffer sleeve (309), and the impact block (306) is slidably connected to the buffer sleeve (309).

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