Durability testing device for automotive suspension

Abstract

The utility model relates to the technical field of automobile suspension testing, in particular to an automobile suspension durability testing device which comprises a base, a testing room and a top cover are arranged on the base, three grooves are formed in the inner wall of the testing room, fans are arranged in the grooves, a plurality of hydraulic rods are fixedly arranged in the testing room, and the top cover is arranged on the top cover. The hydraulic rod is fixedly provided with a lifting platform, the lifting platform is provided with a plurality of through grooves and a plurality of positioning rings, the through grooves are internally provided with vibration columns, the positioning rings are provided with fixing belts, the influence of wind power on the durability of the automobile suspension during automobile driving can be simulated, and therefore more accurate data can be obtained.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile suspension testing, in particular to an automobile suspension durability testing device. Background Art

[0002] The suspension system is an important part of a car. It connects the body and wheels. Its main function is to transfer the force and torque between the wheels and the frame, and to cushion the impact force transmitted to the frame or body by uneven roads, reducing the vibration caused thereby, and ensuring that the car can run smoothly. The performance of the suspension system directly affects the car's handling, comfort, safety and durability. Therefore, it is necessary to use automobile suspension tests to test the suspension and evaluate the various performance parameters of the suspension system.

[0003] For example, the Chinese patent disclosure: A car suspension test bench and its test method, application number: CN201510866654.7, the test bench includes an energy storage flywheel, a motor, an eccentric wheel, an exciting spring, a table, a measuring device and a test console. Its working principle is to use the motor, eccentric wheel, energy storage flywheel and exciting spring to form an exciter, so that the test table and the tested car suspension system resonate, and measure the resonance frequency, amplitude, output vibration waveform curve, record the data and waveform, and then perform system processing and data analysis processing, and evaluate and judge the working performance of the suspension system. Its detection method is to drive the tested vehicle into the suspension test bench, start the test bench, so that the exciter forces the car suspension to vibrate, record the attenuated vibration curve, measure the dynamic wheel load at resonance, and calculate and display the wheel absorption rate (i.e., wheel ground contact index), and then compare it with the standard and make a judgment. The test results of the present invention are intuitive and accurate, with high reliability. Compared with automobile road tests, its detection cycle is short and efficient.

[0004] However, in the above technical solutions, when using the test device to test the durability of the automobile suspension, there are roughly two types at this stage. One is to directly use the test device to test the automobile suspension body, and the other is to install the automobile suspension on the automobile and then test the automobile body to test the durability of the automobile suspension. The second method has more accurate test results than the first method. However, the automobile suspension is responsible for buffering the impact force transmitted to the frame or body by the uneven road surface. Therefore, the automobile suspension is only used when the car is in motion. When the car is driving, the front and sides of the car will inevitably be affected by the wind. The faster the speed, the greater the impact of wind resistance on the vehicle, which will also cause a greater burden on the suspension system. The current test device cannot simulate the impact of wind on the suspension system, so the test data accuracy is low. Utility Model Content

[0005] The main purpose of the present utility model is to provide a vehicle suspension durability testing device, which can effectively solve the background technology that at present, when using a test device to test the durability of a vehicle suspension, there are roughly two types, one is to directly use the test device to test the vehicle suspension body, and the other is to install the vehicle suspension on the vehicle and then test the vehicle body to test the durability of the vehicle suspension. The second method has more accurate test results than the first method, but the vehicle suspension is responsible for buffering the impact force transmitted to the frame or body by the uneven road surface. Therefore, the vehicle suspension is only used when the vehicle is in driving state. When the vehicle is driving, the front and sides of the vehicle will inevitably be affected by wind. The faster the speed, the greater the impact of wind resistance on the vehicle, which will also cause a greater burden on the suspension system. The current test device cannot simulate the impact of wind on the suspension system, so the test data accuracy is low.

[0006] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0007] A vehicle suspension durability testing device comprises a base, a test chamber and a top cover are provided on the base, three grooves are provided on the inner wall of the test chamber, fans are provided in the grooves, a plurality of hydraulic rods are fixedly provided in the test chamber, a lifting platform is fixedly provided on the hydraulic rods, a plurality of through slots and a plurality of positioning rings are provided on the lifting platform, a vibration column is provided in the through slot, and a fixing belt is provided on the positioning ring.

[0008] Preferably, the vibration column is fixedly installed in the test room, and the positioning ring is fixedly connected to the lifting platform.

[0009] Preferably, the fan comprises a fan body, a rotating column is provided on the fan body, and a worm gear is provided on the rotating column.

[0010] Preferably, a worm is meshed with one side of the worm wheel, and a motor is provided at one end of the worm.

[0011] Preferably, the fan body is rotatably connected to the base via a rotating column.

[0012] Preferably, the motor is fixedly mounted on the base.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] (1) When the utility model is used, the wheels of the car are first placed on the vibration column, and then the lifting platform is moved downward for a distance by the hydraulic rod to leave enough space between the lifting platform and the car, and then the fixing belt is fixed to the car to fix the position of the car at this time, and then the blowing direction of the fan body is changed according to the test requirements, and then the vibration column and the fan body are started, and the car is vibrated by the vibration column to test the durability of the car suspension, and the car is blown by the fan body to simulate the influence of wind force on the durability of the car suspension when the car is driving, so as to obtain more accurate data. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the overall structure of an automobile suspension durability testing device of the present utility model;

[0016] Figure 2 This is a schematic structural diagram of a fan in a vehicle suspension durability testing device of the utility model;.

[0017] In the figure: 1. Base; 2. Test chamber; 3. Top cover; 4. Groove; 5. Fan; 501. Fan body; 502. Rotating column; 503. Worm gear; 504. Worm; 505. Motor; 6. Hydraulic rod; 7. Lifting platform; 8. Through slot; 9. Positioning ring; 10. Vibration column; 11. Fixing belt. DETAILED DESCRIPTION

[0018] The following will be combined with the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0019] like Figure 1 As shown, a vehicle suspension durability test device includes a base 1, a test chamber 2 and a top cover 3 are provided on the base 1, three grooves 4 are provided on the inner wall of the test chamber 2, a fan 5 is provided in the groove 4, a plurality of hydraulic rods 6 are fixedly provided in the test chamber 2, a lifting platform 7 is fixedly provided on the hydraulic rods 6, a plurality of through grooves 8 and a plurality of positioning rings 9 are provided on the lifting platform 7, a vibration column 10 is provided in the through groove 8, and a fixing belt 11 is provided on the positioning ring 9.

[0020] like Figure 2 As shown, in another embodiment of the present invention, the fan 5 includes a fan body 501, a rotating column 502 is provided on the fan body 501, and a worm gear 503 is provided on the rotating column 502;

[0021] A worm 504 is meshed with one side of the worm wheel 503, and a motor 505 is provided at one end of the worm 504. When a vehicle suspension durability test is required, the fan body 501 is started, and air is blown to the car through the fan body 501, thereby simulating the influence of wind force on the durability of the vehicle suspension when the car is driving. When the blowing direction of the fan body 501 needs to be changed according to the test requirements, the motor 505 is started first, and the motor 505 drives the worm 504 to rotate, and the worm 504 drives the worm wheel 503 to rotate, and the worm wheel 503 drives the rotating column 502 to rotate, and the rotating column 502 drives the fan body 501 to rotate, so that the fan body 501 rotates with the rotating column 502 as the center, thereby changing the blowing direction of the fan body 501.

[0022] The working principle of this automobile suspension durability test device:

[0023] During use, first place the car wheel on the vibration column 10, then use the hydraulic rod 6 to move the lifting platform 7 downward for a distance to leave enough space between the lifting platform 7 and the car, then fix the fixing belt 11 to the car, so as to fix the position of the car at this time, and then start the motor 505, the motor 505 drives the worm 504 to rotate, the worm 504 drives the worm gear 503 to rotate, the worm gear 503 drives the rotating column 502 to rotate, and the rotating column 502 drives the fan body 501 to rotate, so that the fan body 501 rotates around the rotating column 502 as the center, thereby changing the blowing direction of the fan body 501 according to the test requirements, and then start the vibration column 10 and the fan body 501, and vibrate the car through the vibration column 10 to test the durability of the car suspension, and blow air to the car through the fan body 501 to simulate the influence of wind force on the durability of the car suspension when the car is driving, so as to obtain more accurate data.

[0024] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not limitations on the implementation methods of the present invention. For ordinary technicians in the relevant field, other different forms of changes or modifications can be made based on the above description. It is impossible to list all the implementation methods here. Any obvious changes or modifications derived from the technical solution of the present invention are still within the scope of protection of the present invention.

Claims

1. A vehicle suspension durability testing device, comprising a base (1), characterized in that: A test room (2) and a top cover (3) are provided on the base (1); three grooves (4) are provided on the inner wall of the test room (2); a fan (5) is provided in the groove (4); a plurality of hydraulic rods (6) are fixedly provided in the test room (2); a lifting platform (7) is fixedly provided on the hydraulic rods (6); a plurality of through grooves (8) and a plurality of positioning rings (9) are provided on the lifting platform (7); a vibration column (10) is provided in the through groove (8); and a fixing belt (11) is provided on the positioning ring (9).

2. The vehicle suspension durability testing device according to claim 1, characterized in that: The vibration column (10) is fixedly installed in the test room (2), and the positioning ring (9) is fixedly connected to the lifting platform (7).

3. The automobile suspension durability testing device according to claim 2, characterized in that: The fan (5) comprises a fan body (501), a rotating column (502) is provided on the fan body (501), and a worm gear (503) is provided on the rotating column (502).

4. The automobile suspension durability testing device according to claim 3, characterized in that: A worm (504) is meshed with one side of the worm wheel (503), and a motor (505) is provided at one end of the worm (504).

5. The automobile suspension durability testing device according to claim 4, characterized in that: The fan body (501) is rotatably connected to the base (1) via a rotating column (502).

6. The automobile suspension durability testing device according to claim 5, characterized in that: The motor (505) is fixedly mounted on the base (1).

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