Unmanned vehicle driving test platform
By introducing motor-driven screw and gear systems on the unmanned vehicle test platform, the dummy position is automatically adjusted, and the problem of belt distance fixation and manual movement in the prior art is solved, and the accuracy and automation of the test are improved.
Patent Information
- Application Number
- CN202420558473.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-21
- Publication Date
- 2025-01-03
- Estimated Expiration
- 2034-03-21
AI Technical Summary
When simulating dummies of different heights, the belt distance is fixed, which affects the test results, and manual movement is cumbersome, making it difficult to achieve accurate testing.
A self-manned vehicle driving test platform was designed, including adjustment components and moving components, and the dummy position is automatically adjusted through the motor-drive screw and gear system, and the belt distance is adjusted by using the lifting block and sliding plate to automatically move dummy and improve the test. Efficiency and accuracy.
It realizes rapid adjustment of belt distances for dummies of different heights, improves the test range and accuracy, reduces manual intervention, improves the degree of automation, and reduces the risk of testing.
Smart Images

Figure CN222299172U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a test platform, in particular to an unmanned vehicle driving test platform, belonging to the technical field of vehicle testing. Background Art
[0002] Self-driving cars, also known as driverless cars, computer-driven cars or wheeled mobile robots, are intelligent cars that achieve unmanned driving through computer systems. When testing driverless cars, test dummies are usually placed on outdoor roads to test the car's wheels at different speeds and at what distance from the dummy the car will brake.
[0003] The existing patent CN218330602U discloses a test platform for unmanned driving of automobiles, including a first base, a connecting seat is fixedly connected to the right outer surface of the first base, a first slide groove is provided on the right outer surface of the connecting seat, a sliding plate is slidably connected to the inner surface of the first slide groove on the right side of the connecting seat, a hydraulic pressure is fixedly connected to the upper outer surface of the sliding plate near the right side, a first support plate is fixedly connected to the upper outer surface of the hydraulic pressure, and a groove is provided on the upper outer surface of the first base. The test platform for unmanned driving of automobiles has the advantages of being able to conduct tests at close range and obtain accurate test data, which solves the problem that the existing unmanned driving test of automobiles is conducted outdoors on real vehicle roads, and the unmanned driving test of automobiles has certain uncontrollability, so the test personnel cannot conduct tests at close range and cannot obtain accurate test data.
[0004] Based on the search of the above patents and in combination with the test platform in the prior art, it is found that when the above test platform is in use, although the unmanned vehicle can be tested by fixing the dummy with two belts and then moving the dummy, the distance between the two belts is fixed. When testing, it is necessary to simulate dummies of different heights. A taller or shorter dummy is only fixed with a single belt, which can easily affect the test results. In addition, when moving the dummy, manual movement is used, which is relatively cumbersome. Utility Model Content
[0005] 1. Technical issues to be solved
[0006] The purpose of the utility model is to provide an unmanned vehicle driving test platform in order to solve the above-mentioned problem, so as to solve the problem that in the prior art, although the unmanned vehicle can be tested by fixing the dummy with two belts and then moving the dummy when the test platform is in use, the distance between the two belts is fixed. When testing, dummies of different heights need to be simulated. A taller or shorter dummy is only fixed with a single belt, which easily affects the test result. In addition, when moving the dummy, manual movement is adopted, and the movement is relatively cumbersome.
[0007] (II) Technical solution
[0008] The utility model is realized through the following technical scheme: an unmanned vehicle driving test platform.
[0009] The dummy device comprises a first base, a second base, a connecting seat, a roller, an adjustment component for fixing dummy members at different heights, and a moving component for controlling the position of the dummy, wherein the adjustment component comprises a moving plate arranged above the second base, a supporting plate connected to the top of the moving plate, lifting openings respectively arranged on both sides of the supporting plate, lifting blocks respectively arranged on both sides of the lifting openings, a belt connected to the lifting blocks, a sliding opening arranged on one side of the lifting blocks, a movable groove arranged on one side of the sliding opening, sliding plates respectively connected to both sides of the movable groove, a clamping rod connected to one side of the sliding plate, a plurality of clamping grooves respectively arranged on both sides of the lifting opening and evenly arranged, a toggle plate connected to one side of the sliding plate, and a first spring arranged between the two toggle plates, the sliding plate is slidably connected to the movable groove, the toggle plate is slidably connected to the sliding opening, and the clamping rod passes through the movable groove and is slidably connected to the lifting block.
[0010] Preferably, the moving component includes support plates respectively connected to both sides of the top of the second base, a screw rod connected to the support plates, a moving block connected to the outer side of the screw rod, a large gear connected to the outer side of the screw rod, a small gear connected to the large gear, a rotating shaft connected to the small gear, a motor connected to one end of the rotating shaft, and a scale line arranged on the top of the second base. The screw rod is screwed to the moving block, the screw rod is rotatably connected to the support plate, the large gear and the small gear are meshed, the rotating shaft is rotatably connected to the second base, and the moving block is fixedly connected to the moving plate. The motor can drive the screw rod to rotate, which can further drive the moving block to move laterally, and further drive the dummy to move laterally. There is no need to manually adjust the position of the dummy, which can improve the adjustment efficiency and conveniently and quickly adjust the position of the dummy.
[0011] Preferably, a guide groove is opened on one side of the movable groove, and a guide block is fixedly connected to one side of the sliding plate. The guide block is slidably connected to the guide groove. The guide block can guide the movement of the sliding plate to prevent the sliding plate from tilting during movement, thereby ensuring that the card rod can be normally inserted into or out of the card slot.
[0012] Preferably, a stop groove is provided on the top of the second base, and a stop block is fixedly connected to the bottom of the moving block. The stop block is slidably connected to the stop groove. The stop block can move synchronously with the moving block to prevent the moving block from rotating, thereby achieving a stop rotation effect.
[0013] Preferably, a fixing frame is fixedly connected between the front and rear lifting blocks, and the fixing frame is U-shaped. When adjusting the belt position, the two lifting blocks at both ends of the belt can be moved synchronously to prevent one end of the belt from being higher than the other end.
[0014] Preferably, a connecting frame is fixedly connected to one side of the motor, and the connecting frame is fixedly connected to the second base. The connecting frame can support and fix the motor, prevent the motor from being suspended in the air, and ensure the working stability of the motor.
[0015] Preferably, a guide rod is fixedly connected to the inner wall of the sliding opening, and the guide rod passes through the toggle plate and is slidably connected to the toggle plate. The guide rod can support and guide the first spring to prevent the first spring from tilting when deformed.
[0016] The utility model provides an unmanned vehicle driving test platform, which has the following beneficial effects:
[0017] 1. The two belts of the unmanned vehicle driving test platform can be adjusted separately. The sliding plate can be driven to move by pushing the toggle plate, and then the card rod can be driven to move, so that the card rod is out of the current card slot, and then the lifting block can be moved to drive the belt to move synchronously and adjusted to the appropriate position. The first spring reset can push the card rod into the card slot, and the adjusted belt can be fixed. The distance between the two belts can be quickly adjusted, and dummies of different heights can be fixed, which can increase the test range, improve the test accuracy, and thus improve practicality.
[0018] 2. For the unmanned vehicle driving test platform, the motor can start to drive the screw to rotate, which can then drive the moving block to move, and then drive the belt and the dummy to move. The position of the dummy from the car can be adjusted without manual adjustment, which can improve the adjustment efficiency and the degree of automation, while reducing the test risk, thereby further improving practicality. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0020] Figure 2 It is a front view of the utility model;
[0021] Figure 3 For the utility model Figure 2 The three-dimensional cross-section view at AA in the middle;
[0022] Figure 4 For the utility model Figure 3 Enlarged view of point C in the middle;
[0023] Figure 5 It is a left view of the utility model;
[0024] Figure 6 For the utility model Figure 5 A three-dimensional cross-section view at the middle BB;
[0025] Figure 7 For the utility model Figure 6 Enlarged view of point D in the middle.
[0026]
Main component symbol description
[0027] 1. First base; 11. Second base; 12. Connecting seat; 13. Roller; 21. Moving plate; 22. Support plate; 23. Lifting port; 24. Lifting block; 25. Belt; 26. Sliding port; 27. Movable slot; 28. Sliding plate; 29. Clamping rod; 30. Clamping slot; 31. Toggle plate; 32. First spring; 41. Support plate; 42. Screw rod; 43. Moving block; 44. Large gear; 45. Small gear; 46. Rotating shaft; 47. Motor; 48. Scale line; 51. Guide slot; 52. Guide block; 61. Stop slot; 62. Stop block; 71. Fixed frame; 81. Connecting frame; 91. Guide rod. DETAILED DESCRIPTION
[0028] The embodiment of the utility model provides an unmanned vehicle driving test platform.
[0029] See also Figure 1 , Figure 2 , Figure 3 as well as Figure 4, comprising a first base 1, a second base 11, a connecting seat 12, a roller 13, an adjustment component for fixing a dummy of different heights, and a moving component for controlling the position of the dummy, wherein the adjustment component comprises a moving plate 21 arranged above the second base 11, a supporting plate 22 connected to the top of the moving plate 21, lifting openings 23 respectively arranged on both sides of the supporting plate 22, lifting blocks 24 respectively arranged on both sides of the lifting openings 23, a belt 25 connected to the lifting blocks 24, a sliding opening 26 arranged on one side of the lifting blocks 24, an active groove 27 arranged on one side of the sliding opening 26, a sliding plate 28 respectively connected to both sides of the active groove 27, and a belt 25 connected to the sliding plate 2 8, a plurality of slots 30 evenly arranged on both sides of the lifting opening 23, a toggle plate 31 connected to one side of the sliding plate 28, and a first spring 32 arranged between the two toggle plates 31, the sliding plate 28 is slidably connected to the movable slot 27, the toggle plate 31 is slidably connected to the sliding opening 26, the clamping rod 29 penetrates the movable slot 27 and is slidably connected to the lifting block 24, the clamping rod 29 is plugged into the slot 30, by pushing the toggle plate 31, the toggle plate 31 can drive the sliding plate 28 to move, the sliding plate 28 can drive the clamping rod 29 to disengage from the slot 30, and the lifting block 24 can be released, and the lifting blocks at both ends of the belt 25 are The lifting block 24 can be moved in the lifting slot, and the distance between the two belts 25 can be adjusted according to the needs, and dummies of different heights can be fixed, and the test range can be increased. The elasticity of the first spring 32 can be used to push the clamping rod 29 to be clamped into the clamping slot 30, and the adjusted lifting block 24 can be fixed to prevent the belt 25 from shifting. A guide slot 51 is provided on one side of the movable slot 27, and a guide block 52 is fixedly connected to one side of the sliding plate 28. The guide block 52 is slidably connected to the guide slot 51, and the guide block 52 can move synchronously with the sliding plate 28, which can prevent the sliding plate 28 from being offset when moving, thereby ensuring that the clamping rod 29 is fixed to the sliding plate 28. The rod 29 can be inserted into or disengaged from the slot 30, and a fixing frame 71 is fixedly connected between the front and rear lifting blocks 24. The fixing frame 71 is U-shaped. The fixing frame 71 can facilitate the connection of the lifting blocks 24 at both ends of the belt 25, and can ensure that the lifting blocks 24 at both ends of the belt 25 are in the same horizontal position, preventing one end of the belt 25 from being higher than the other end. A guide rod 91 is fixedly connected to the inner wall of the sliding opening 26, and the guide rod 91 passes through the toggle plate 31 and is slidably connected to the toggle plate 31. The guide rod 91 can support the first spring 32 to prevent the first spring 32 from tilting when deformed, and can protect the first spring 32 to prevent it from being damaged.
[0030] When the utility model is in use, the distance between the two belts 25 is adjusted according to the height of the dummy, and the toggle plate 31 is pushed. The toggle plate 31 can drive the sliding plate 28 to move. At the same time, the movement of the toggle plate 31 can squeeze the first spring 32 to deform it. The movement of the sliding plate 28 can drive the clamping rod 29 to move. The clamping rod 29 can move out of the clamping slot 30. At this time, the lifting block 24 is released, and then the lifting block 24 can be moved. The lifting block 24 can drive the belt 25 to move. After adjusting to a suitable position, the toggle plate 31 is released. At this time, the first spring 32 is reset, and the first spring 32 is reset. The reset of a spring 32 can push the toggle plate 31 to reset, and the reset of the toggle plate 31 can drive the sliding plate 28 and the clamping rod 29 to reset, and the clamping rod 29 can be locked into the clamping groove 30 to fix the lifting block 24, and then the belt 25 can be fixed, and then the dummy can be fixed between the two belts 25, and then the test car can be moved to the roller 13 on the first base 1, and the rotation of the car wheel will drive the roller 13 to rotate, causing the car to keep driving in place, so as to test how far away from the dummy the car will brake when no one is driving.
[0031] Please refer again Figure 1 , Figure 5 , Figure 6 as well as Figure 7 The moving parts include support plates 41 respectively connected to the two sides of the top of the second base 11, a screw rod 42 connected to the support plate 41, a moving block 43 connected to the outer side of the screw rod 42, a large gear 44 connected to the outer side of the screw rod 42, a small gear 45 connected to the large gear 44, a rotating shaft 46 connected to the small gear 45, a motor 47 connected to one end of the rotating shaft 46, and a scale line 48 arranged on the top of the second base 11. The screw rod 42 is screwed with the moving block 43, the screw rod 42 is rotatably connected to the support plate 41, the large gear 44 and the small gear 45 are meshed, the rotating shaft 46 is rotatably connected to the second base 11, and the moving block 43 is fixedly connected to the moving plate 21. When the motor 47 is started, it can drive the rotating shaft 46 and the small gear 45 to rotate, and then drive the large gear 44 to move. Rotation can drive the screw rod 42 to rotate, and then drive the moving block 43 to move, and then the position of the dummy can be adjusted without manual adjustment, and the dummy position can be adjusted automatically, which can reduce the risk. A stop groove 61 is provided on the top of the second base 11, and a stop block 62 is fixedly connected to the bottom of the moving block 43. The stop block 62 is slidably connected to the stop groove 61, and the stop block 62 can move synchronously with the moving block 43 to prevent the moving block 43 from rotating during movement, thereby ensuring the stability of the lateral movement of the dummy. A connecting frame 81 is fixedly connected to one side of the motor 47, and the connecting frame 81 is fixedly connected to the second base 11. The connecting frame 81 can connect and fix the motor 47 to prevent the motor 47 from being suspended in the air, and at the same time facilitate the subsequent maintenance of the motor 47.
[0032] When the utility model is in use: when it is necessary to adjust the distance between the dummy and the car, the motor 47 is started, and the motor 47 can drive the rotating shaft 46 and the small gear 45 to rotate, the rotation of the small gear 45 can drive the large gear 44 to rotate, the rotation of the large gear 44 can drive the screw rod 42 to rotate, the rotation of the screw rod 42 can drive the moving block 43 to move, the movement of the moving block 43 can drive the moving plate 21 to move, the movement of the moving plate 21 can drive the supporting plate 22, the movement of the supporting plate 22 can drive the dummy to move, and then the test dummy can be moved to the required scale line 48, so as to facilitate the testing of the driverless car.
[0033] 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. An unmanned vehicle driving test platform, comprising a first base (1), a second base (11), a connecting seat (12), a roller (13), an adjustment component for fixing dummies of different heights, and a moving component for controlling the position of the dummies, characterized in that: The adjusting component comprises a movable plate (21) arranged above the second base (11), a support plate (22) connected to the top of the movable plate (21), lifting openings (23) respectively arranged on both sides of the support plate (22), lifting blocks (24) respectively arranged on both sides of the lifting openings (23), a belt (25) connected to the lifting blocks (24), a sliding opening (26) arranged on one side of the lifting blocks (24), a movable groove (27) arranged on one side of the sliding opening (26), and sliding belts (25) respectively connected to both sides of the movable groove (27). A plate (28), a clamping rod (29) connected to one side of the sliding plate (28), a plurality of clamping grooves (30) respectively arranged on both sides of the lifting opening (23) and arranged evenly, a toggle plate (31) connected to one side of the sliding plate (28), and a first spring (32) arranged between the two toggle plates (31), the sliding plate (28) is slidably connected to the movable groove (27), the toggle plate (31) is slidably connected to the sliding opening (26), and the clamping rod (29) passes through the movable groove (27) and is slidably connected to the lifting block (24).
2. The unmanned vehicle driving test platform according to claim 1, characterized in that: The moving component comprises support plates (41) respectively connected to both sides of the top of the second base (11), a screw rod (42) connected to the support plate (41), a moving block (43) connected to the outer side of the screw rod (42), a large gear (44) connected to the outer side of the screw rod (42), a small gear (45) connected to the large gear (44), a rotating shaft (46) connected to the small gear (45), a motor (47) connected to one end of the rotating shaft (46), and a scale line (48) arranged on the top of the second base (11); the screw rod (42) is screwed to the moving block (43); the screw rod (42) is rotationally connected to the support plate (41); the large gear (44) and the small gear (45) are meshed; the rotating shaft (46) is rotationally connected to the second base (11); and the moving block (43) is fixedly connected to the moving plate (21).
3. The unmanned vehicle driving test platform according to claim 1, characterized in that: A guide groove (51) is provided on one side of the movable groove (27), and a guide block (52) is fixedly connected to one side of the sliding plate (28), and the guide block (52) is slidably connected to the guide groove (51).
4. The unmanned vehicle driving test platform according to claim 2, characterized in that: A rotation-stop groove (61) is provided on the top of the second base (11), a rotation-stop block (62) is fixedly connected to the bottom of the moving block (43), and the rotation-stop block (62) is slidably connected to the rotation-stop groove (61).
5. The unmanned vehicle driving test platform according to claim 1, characterized in that: A fixing frame (71) is fixedly connected between the front and rear lifting blocks (24), and the fixing frame (71) is in a U-shape.
6. The unmanned vehicle driving test platform according to claim 2, characterized in that: A connecting frame (81) is fixedly connected to one side of the motor (47), and the connecting frame (81) is fixedly connected to the second base (11).
7. The unmanned vehicle driving test platform according to claim 1, characterized in that: A guide rod (91) is fixedly connected to the inner wall of the sliding opening (26); the guide rod (91) penetrates the toggle plate (31) and is slidably connected to the toggle plate (31).
Citation Information
Cited By
Obstacle simulation device in test scene of self-driving automobile
CN119469819A
