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CN-224216275-U - Impact test board with suspension structure

CN224216275UCN 224216275 UCN224216275 UCN 224216275UCN-224216275-U

Abstract

The utility model relates to an impact test board of a suspension structure, which belongs to the technical field of suspension tests and comprises a sealing test board, a servo hydraulic cylinder, a closed circulation gas refrigerator, an industrial humidifier, a heating bellows, a pressure sensor and an impact head, wherein the servo hydraulic cylinder is arranged on the sealing test board, an impact detection bracket is fixedly arranged at the driving end of the servo hydraulic cylinder, the impact detection bracket, the pressure sensor and the impact head are sequentially connected through bolts, and the closed circulation gas refrigerator, the industrial humidifier and the heating bellows are sequentially communicated with the sealing test board. According to the utility model, the load impact test is applied to the suspension through the servo hydraulic actuator, and the environment simulation cabin is configured to simulate working conditions of high temperature, low cold and damp heat according to requirements, so that the impact test under the real service environment can be performed on the suspension structure, and the test accuracy can be further improved.

Inventors

  • Han Ruiduo
  • ZHANG HUANWEN
  • CHEN WENKUN

Assignees

  • 西安汉思科特空气悬架系统有限公司

Dates

Publication Date
20260508
Application Date
20250624

Claims (8)

  1. 1. The utility model provides a suspension structure impact test platform, includes sealed test platform (1), servo pneumatic cylinder (5), closed circulation gas refrigerator (6), industry humidifier (7), heating bellows (8), pressure sensor (10), impact head (11), wherein servo pneumatic cylinder (5) are installed in sealed test platform (1), the drive end fixed mounting of servo pneumatic cylinder (5) has impact detection support (9), pressure sensor (10), impact head (11) pass through bolted connection in proper order, closed circulation gas refrigerator (6), industry humidifier (7), heating bellows (8) communicate with sealed test platform (1) in proper order.
  2. 2. The impact test board with the suspension structure according to claim 1, wherein limiting barrels (12) are arranged on two sides of the impact detection support (9), limiting rods (13) are arranged on the sealing test board (1), limiting holes are formed in the limiting barrels (12) corresponding to the limiting rods (13), and the inner walls of the limiting holes are in sliding connection with the limiting rods (13).
  3. 3. The impact test bench with the suspension structure according to claim 1, wherein the sealing test bench (1) is fixedly provided with a partition plate (2), the sealing test bench (1) is divided into an equipment cavity (3) and a sealing environment simulation cabin (4) through the partition plate (2), the servo hydraulic cylinder (5) is installed in the equipment cavity (3), the driving end of the servo hydraulic cylinder (5) penetrates through the sealing environment simulation cabin (4), and the sealing environment simulation cabin (4) is provided with a suspension positioning clamp (14) through screws.
  4. 4. The impact test bench with the suspension structure according to claim 1, characterized in that the heating bellows (8) is provided with an exhaust cavity and an air inlet cavity, the air inlet cavity is provided with an electric heater (15), an air inlet fan (16) and a dust-proof filter screen (17), and the exhaust cavity is provided with an exhaust hopper (18).
  5. 5. The suspension structure impact test bench according to claim 4, wherein the exhaust hopper (18) is fixedly communicated with an exhaust fan (19), and the exhaust fan (19) is communicated with an exhaust gas discharge pipeline (20).
  6. 6. A suspension structure impact test bench according to claim 3, characterized in that the equipment chamber (3) and the sealed environment simulation pod (4) are both provided with a sealed access door (21).
  7. 7. A suspended structure impact test bench according to claim 3, characterized in that the sealed access door (21) of the sealed environment simulation pod (4) is fitted with a temperature and humidity detector (22).
  8. 8. The suspension structure impact test bench according to claim 1, characterized in that the exhaust chamber and the inlet chamber of the heating bellows (8) are provided with an access door (23) and a shutter (24).

Description

Impact test board with suspension structure Technical Field The utility model relates to the technical field of suspension testing, in particular to an impact test board with a suspension structure. Background The suspension is mainly used for isolating the transmission of engine vibration to a vehicle body and reducing noise and vibration in the vehicle, is an upgrade version of a rubber suspension, obviously improves vibration reduction by introducing liquid and carefully designed runner structures, and generally needs to use a high-power servo hydraulic actuator to apply dynamic load to the suspension according to preset high-acceleration, large-displacement and short-time impact waveforms for impact test. Through searching, the China patent with the prior publication number of CN201822002226.1 discloses a device for testing the dynamic impact of an automobile suspension bracket connecting structure, the dynamic impact performance of a single suspension bracket connecting structure is tested through a design test device, the mechanical performance of the engine suspension connecting structure in the automobile collision process is simulated, the test result is fed back to a design department, the problems are corrected in time, the development efficiency is improved, and the high research and development cost caused by testing the component performance through a real automobile collision test is reduced. The technical scheme has the following defects that although the automobile suspension impact testing device can test through the impact head in an impact mode, whether the suspension breaks or seriously deforms plastically can be tested, mechanical energy simulation of a real service environment is inconvenient in the actual use process, and in order to further improve the testing accuracy, the impact testing table of the suspension structure is provided, load impact testing is applied to the suspension through a servo hydraulic actuator, and an environment simulation cabin is configured to simulate working conditions of high temperature, low cold and damp heat according to requirements, so that the impact testing of the suspension structure in the real service environment can be carried out. In view of this, the present invention provides a technical solution for improving and solving the above-mentioned problems, and for intensively researching and applying in cooperation with the academic theory, and finally providing a solution which has a reasonable design and can effectively improve the above-mentioned drawbacks. The information disclosed in this background section is only for enhancement of understanding of the general background of the utility model and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art. Disclosure of utility model The utility model provides a suspension structure impact test board, which solves the problem that the existing equipment cannot reproduce the suspension real service environment, remarkably improves the impact test accuracy of the suspension structure, is particularly suitable for the fields of high-frequency impact test of a motor for suspending a new energy automobile, reinforcement suspension impact test of a military vehicle and relevant suspension research and development, and fills the technical blank of environment coupling impact test. The technical scheme includes that the impact test board with the suspension structure comprises a sealing test board, a servo hydraulic cylinder, a closed circulation gas refrigerator, an industrial humidifier, a heating bellows, a pressure sensor and an impact head, wherein the servo hydraulic cylinder is arranged on the sealing test board, an impact detection support is fixedly arranged at the driving end of the servo hydraulic cylinder, the impact detection support, the pressure sensor and the impact head are sequentially connected through bolts, and the closed circulation gas refrigerator, the industrial humidifier and the heating bellows are sequentially communicated with the sealing test board. On the basis of the technical scheme, the utility model can be improved as follows. Further, the both sides of impact detection support all are provided with spacing section of thick bamboo, the gag lever post is installed to sealed testboard, spacing hole has been seted up to spacing section of thick bamboo correspondence gag lever post, and the inner wall and the gag lever post sliding connection in spacing hole for impact detection support can be stabilized in sealed testboard and go up and down, thereby carries out impact test to built-in suspension structure. Further, sealing test board fixed mounting has the division board, sealing test board has equipment chamber and sealed environment simulation cabin through the division board separation, servo hydraulic cylinder installs in the equipment chamber, the drive end of servo