Vehicle rollover test bench

Abstract

The utility model discloses a vehicle rollover test bench, and particularly relates to the field of vehicle rollover tests, the vehicle rollover test bench comprises a test rack, the top side in the test rack is rotatably connected with a turnover plate capable of inclining upwards through a rotating rod, and the top of the turnover plate is provided with an adjusting mechanism. The adjusting oil cylinder is started through an external power source, and the output end of the adjusting oil cylinder drives the bearing frame to move left and right, so that the distance between the right weighing plate and the left weighing plate after the right weighing plate moves is matched with the width of wheels on the two sides of an automobile. Meanwhile, when the bearing frame moves, the multiple sets of supporting rollers are driven to roll along the guide rails, the effect of guiding when the bearing frame moves is achieved, and the friction force of contact between the bearing frame and the moving groove when the bearing frame moves is reduced. When the automobile is driven to the top of the turnover plate, the left wheel of the automobile presses the left weighing plate, and the right wheel of the automobile presses the right weighing plate. And the two groups of weighing sensors are used for weighing the weight of the automobile. Therefore, the effect of adjusting the distance between the weighing plates is achieved.

Description

Technical Field

[0001] This utility model relates to the field of vehicle rollover testing technology, specifically a vehicle rollover test bench. Background Technology

[0002] A vehicle rollover test bench, also known as a motor vehicle roll test bench, is a piece of equipment used in the fields of mechanics, engineering and technology, and surveying and mapping. It is primarily used to determine key parameters of wheeled vehicles, such as roll stability angle, maximum rollover stability angle, center of gravity position, wheel mass, axle mass, total mass, and axle load factor.

[0003] Chinese patent publication CN113640015U discloses a vehicle rollover test bench, filed on August 23, 2021. This patented technology uses a weighing float and weighing sensors to acquire and measure the weight of a vehicle, as well as the physical quantities needed to calculate the centroid coordinate system, facilitating the acquisition of the physical quantities required for vehicle rollover testing. However, the aforementioned device acquires the vehicle's weight by moving the vehicle to the surface of the weighing float and having the wheels contact the float. The weighing floats on both sides of the device cannot be adjusted in distance, preventing the weighing of vehicles with different wheel spacings. Therefore, the inventors provide a vehicle rollover test bench to solve the problems mentioned in the background art. Utility Model Content

[0004] The purpose of this utility model is to provide a vehicle rollover test bench that achieves the effect of adjusting the spacing between the symmetrical weight plates.

[0005] The purpose of the utility model can be achieved through the following technical solutions:

[0006] A vehicle rollover test bench includes a test frame. An upwardly tilting flip plate is rotatably connected to the top of the test frame via a rotating rod. An adjustment mechanism is provided on the top of the flip plate. The adjustment mechanism includes a pair of weighing plates disposed on the left and right sides of the top of the flip plate. Weighing sensors are fixedly installed at the bottom of the weighing plates. A set of weighing sensors on the left side is fixedly connected to a groove opened in the top of the flip plate. A movable slot is opened on the top right side of the flip plate, and a movable support frame is disposed inside the movable slot.

[0007] As a further improvement of this utility model: an adjusting cylinder is fixedly connected to the left side of the interior of the moving groove, and the output end of the adjusting cylinder is fixedly connected to the bearing frame.

[0008] As a further embodiment of this utility model: a set of guide rails is fixedly connected to the bottom side of the inner side of the movable groove, and a set of support rollers is rotatably connected to the top of the set of guide rails. The top of the support rollers is fixedly connected to the bearing frame through a mounting bracket.

[0009] As a further improvement of this utility model: an inclined platform is fixedly connected to the left side of the flip plate, a boundary plate is fixedly connected to the top right side of the test frame, and an anti-collision pad is fixedly connected to the left side of the boundary plate.

[0010] As a further embodiment of this utility model: the bottom of the flipping plate is provided with a side-flipping mechanism, the side-flipping mechanism includes a support box fixedly connected to the bottom of the test frame, a bottom connecting frame fixedly connected to the inner right side of the support box, a side-flipping cylinder hinged to the top of the bottom connecting frame, a top connecting frame hinged to the top of the side-flipping cylinder, and the top of the top connecting frame fixedly connected to the flipping plate.

[0011] As a further improvement of this utility model, an angle sensor is fixedly installed at the bottom of the flip plate.

[0012] As a further embodiment of this utility model: a support assembly is provided on the top of the flipping plate. The support assembly includes a flipping groove opened on the left side of the top of the flipping plate. A bottom support frame is fixedly connected to the bottom side of the flipping groove. A support cylinder is hinged to the top of the bottom support frame through a hinge. The output end of the support cylinder is hinged to a top support frame through a hinge. A support plate is fixedly connected to the right side of the top support frame. The bottom of the support plate is rotatably connected to the flipping groove through a rotating rod.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] This vehicle rollover test bench adjusts the position of the right-side weighing plate according to the distance between the car's wheels. An external power source activates an adjusting cylinder, whose output moves a support frame left and right, aligning the distance between the right and left weighing plates with the width of the car's wheels. Simultaneously, the movement of the support frame drives multiple sets of support rollers along the guide rails, guiding the frame's movement and reducing friction between the frame and the moving groove. When the car drives onto the top of the rollover platform, the left wheels rest on the left weighing plate, and the right wheels on the right. The car's weight is measured using two sets of load cells, thus achieving the effect of adjusting the distance between the weighing plates.

[0015] In addition, the vehicle rollover test bench uses an external power source to activate the support cylinder. The output end of the support cylinder drives the support plate to rotate clockwise, so that the support plate rotates to a vertical position with the position of the rotating rod as the center. When the car is tilted, in order to prevent the car from rolling over before reaching the appropriate tilt angle, the support plate supports the left side of the car. When the car tilts to the appropriate angle, the output end of the support cylinder retracts, causing the support plate to rotate counterclockwise. This causes the support plate to quickly rotate counterclockwise to fit the surface of the rotating plate, so that the car loses its restraint and rolls to the left, thus achieving the effect of supporting the vehicle before it reaches the appropriate rollover angle. Attached Figure Description

[0016] Figure 1 A schematic diagram of the overall structure of a vehicle rollover test bench;

[0017] Figure 2 This is a schematic diagram of the right-side cross-section of the overall structure of a vehicle rollover test bench;

[0018] Figure 3 This is a schematic diagram of the overall structure of a vehicle rollover test bench from another perspective.

[0019] Figure 4 In a vehicle rollover test bench Figure 3 A magnified schematic diagram of the structure in the middle.

[0020] In the diagram: 10. Test frame; 11. Tilting plate; 12. Inclined table; 13. Anti-collision pad; 14. Boundary plate; 15. Angle sensor; 20. Side-tilting mechanism; 201. Support box; 202. Bottom connecting frame; 203. Side-tilting cylinder; 204. Top connecting frame; 30. Adjustment mechanism; 301. Weighing plate; 302. Weighing sensor; 303. Moving groove; 304. Bearing frame; 305. Adjusting cylinder; 306. Guide rail; 307. Support roller; 40. Tilting groove; 41. Bottom support frame; 42. Support cylinder; 43. Top support frame; 44. Support plate. Detailed Implementation

[0021] To make the technical problems, technical solutions, and beneficial effects to be solved by this application clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and are not intended to limit the scope of this application.

[0022] like Figure 1 As shown, a vehicle rollover test bench includes a test frame 10. A tilting plate 11, which can tilt upwards, is rotatably connected to the top side of the test frame 10 via a rotating rod. An inclined platform 12 is fixedly connected to the left side of the tilting plate 11, and a boundary plate 14 is fixedly connected to the top right side of the test frame 10. A crash pad 13 is fixedly connected to the left side of the boundary plate 14. A rollover mechanism 20 is provided at the bottom of the tilting plate 11.

[0023] In use, the car to be tested is driven onto the surface of the flip plate 11 via the tilting platform 12, and the anti-collision pad 13 can be used to position the car on the flip plate 11 to prevent the car from going over the flip plate 11.

[0024] refer to Figure 2 , 3The side-tilting mechanism 20 includes a support box 201 fixedly connected to the bottom of the test frame 10. A bottom connecting frame 202 is fixedly connected to the inner right side of the support box 201. A side-tilting cylinder 203 is hinged to the top of the bottom connecting frame 202. A top connecting frame 204 is hinged to the top of the side-tilting cylinder 203. The top of the top connecting frame 204 is fixedly connected to the flipping plate 11.

[0025] Preferably, an angle sensor 15 is fixedly installed at the bottom of the tilting plate 11. The tilting cylinder 203 is started by an external power supply. The output end of the tilting cylinder 203 drives the tilting plate 11 to tilt upward. At the same time, the angle sensor 15 is used to detect the tilt angle of the tilting plate 11. After reaching a suitable angle, the output end of the tilting cylinder 203 stops extending, and the car slides off the tilting plate 11, thereby achieving the effect of a car rollover test. At the same time, the longer the output end of the tilting cylinder 203 extends, the greater the tilt angle of the tilting plate 11, which meets the needs of rollover tests at different angles of the car.

[0026] refer to Figure 2 , 3 4. An adjustment mechanism 30 is provided on the top of the tilting plate 11. The adjustment mechanism 30 includes a pair of weighing plates 301 disposed on the left and right sides of the top of the tilting plate 11. Weighing sensors 302 are fixedly installed on the bottom of the weighing plates 301. The set of weighing sensors 302 on the left side is fixedly connected to the inside of the groove opened on the top of the tilting plate 11. A moving groove 303 is opened on the right side of the top of the tilting plate 11. A bearing frame 304 is disposed inside the moving groove 303. An adjusting cylinder 305 is fixedly connected to the left side of the inside of the moving groove 303. The output end of the adjusting cylinder 305 is fixedly connected to the bearing frame 304.

[0027] Preferably, a set of support frames 304 are fixedly connected to the bottom of the inner side of the moving groove 303. A set of support rollers 307 are rolledly connected to the top of the set of support frames 304. The top of the support rollers 307 is fixedly connected to the support frames 304 through a mounting bracket. In use, the position of the right weighing plate 301 is adjusted according to the distance between the wheels on both sides of the car. The adjusting cylinder 305 is started by an external power source. The output end of the adjusting cylinder 305 drives the support frame 304 to move left and right, so that the distance between the right weighing plate 301 and the left weighing plate 301 after the right weighing plate 301 moves is adapted to the width of the wheels on both sides of the car. At the same time, when the support frame 304 moves, it will drive multiple sets of support rollers 307 to roll along the rollers inside the guide rail 306, achieving the effect of guiding the movement of the support frame 304 and reducing the friction between the support frame 304 and the moving groove 303 when the support frame 304 moves. When the car drives onto the top of the tilting plate 11, the left wheel of the car presses on the left weighing plate 301 and the right wheel presses on the right weighing plate 301. The weight of the car is measured using two sets of weighing sensors 302.

[0028] refer to Figure 2 , 3The top of the flip plate 11 is provided with a support assembly, which includes a flip groove 40 opened on the top left side of the flip plate 11. A bottom support frame 41 is fixedly connected to the bottom side of the inside of the flip groove 40. A support cylinder 42 is hinged to the top of the bottom support frame 41 through a hinge. The output end of the support cylinder 42 is hinged to a top support frame 43 through a hinge. A support plate 44 is fixedly connected to the right side of the top support frame 43. The bottom of the support plate 44 is rotatably connected to the flip groove 40 through a rotating rod.

[0029] In use, the support cylinder 42 is started by an external power source. The output end of the support cylinder 42 drives the support plate 44 to rotate clockwise, so that the support plate 44 rotates to a vertical state with the position of the rotating rod as the center. When the car is tilted, in order to prevent the car from overturning before reaching the appropriate tilt angle, the support plate 44 supports the left side of the car. When the car is tilted to the appropriate angle, the output end of the support cylinder 42 retracts and drives the support plate 44 to rotate counterclockwise, so that the support plate 44 quickly rotates counterclockwise to fit the surface of the flipping plate 11, so that the car loses its restraint and overturns to the left.

[0030] The working principle of this utility model is as follows: The position of the right weighing plate 301 is adjusted according to the distance between the two wheels of the car. An external power supply activates the adjusting cylinder 305, which in turn moves the support frame 304 left and right, ensuring that the distance between the right and left weighing plates 301 matches the width of the car's wheels. Simultaneously, the movement of the support frame 304 drives multiple sets of support rollers 307 along the inner rollers of the guide rail 306, guiding the movement of the support frame 304 and reducing friction between the support frame 304 and the moving groove 303. When the car drives onto the top of the tilting plate 11, the left wheel presses on the left weighing plate 301, while the right wheel presses on the right weighing plate 301. The weight of the car is then weighed by two sets of weighing sensors 302.

[0031] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and improvements fall within the scope of the present invention as claimed.

Claims

1. A vehicle rollover test bench, comprising a test frame (10), wherein the test frame (10) has an upwardly tiltable tilting plate (11) rotatably connected to its internal top side via a rotating rod, characterized in that, The top of the flip plate (11) is provided with an adjustment mechanism (30), which includes a pair of weighing plates (301) arranged on the left and right sides of the top of the flip plate (11). Weighing sensors (302) are fixedly installed at the bottom of the weighing plates (301). A set of weighing sensors (302) on the left side is fixedly connected to the inside of the groove opened on the top of the flip plate (11). A moving groove (303) is opened on the right side of the top of the flip plate (11), and a movable support frame (304) is arranged inside the moving groove (303).

2. The vehicle rollover test bench according to claim 1, characterized in that, An adjusting cylinder (305) is fixedly connected to the left side of the inside of the moving groove (303), and the output end of the adjusting cylinder (305) is fixedly connected to the bearing frame (304).

3. The vehicle rollover test bench according to claim 2, characterized in that, A set of guide rails (306) is fixedly connected to the bottom inside of the movable groove (303). A set of support rollers (307) are tumbled to the top of the set of guide rails (306). The top of the support rollers (307) is fixedly connected to the bearing frame (304) through a mounting bracket.

4. The vehicle rollover test bench according to claim 1, characterized in that, An inclined platform (12) is fixedly connected to the left side of the flip plate (11), a boundary plate (14) is fixedly connected to the top right side of the test frame (10), and an anti-collision pad (13) is fixedly connected to the left side of the boundary plate (14).

5. A vehicle rollover test bench according to claim 1, characterized in that, The bottom of the flip plate (11) is provided with a side-flipping mechanism (20). The side-flipping mechanism (20) includes a support box (201) fixedly connected to the bottom of the test frame (10). A bottom connecting frame (202) is fixedly connected to the inner right side of the support box (201). A side-flipping cylinder (203) is hinged to the top of the bottom connecting frame (202). A top connecting frame (204) is hinged to the top of the side-flipping cylinder (203). The top of the top connecting frame (204) is fixedly connected to the flip plate (11).

6. A vehicle rollover test bench according to claim 5, characterized in that, An angle sensor (15) is fixedly installed on the bottom of the flip plate (11).

7. A vehicle rollover test bench according to claim 6, characterized in that, The top of the flip plate (11) is provided with a support assembly, which includes a flip groove (40) opened on the top left side of the flip plate (11). A bottom support frame (41) is fixedly connected to the bottom side of the flip groove (40). A support cylinder (42) is hinged to the top of the bottom support frame (41) through a hinge. The output end of the support cylinder (42) is hinged to a top support frame (43) through a hinge. A support plate (44) is fixedly connected to the right side of the top support frame (43). The bottom of the support plate (44) is rotatably connected to the flip groove (40) through a rotating rod.

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