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CN-224216294-U - Vibration damping performance test fixture

CN224216294UCN 224216294 UCN224216294 UCN 224216294UCN-224216294-U

Abstract

The application provides a vibration damping performance testing tool which comprises a first mounting seat and a second mounting seat corresponding to the first mounting seat, wherein a mounting groove for mounting a component to be tested is formed in the first mounting seat and is arranged on a test bed of vibration damping performance testing equipment, the top of the component to be tested, which is arranged in the mounting groove, is higher than the preset height of the top surface of the mounting groove, and a limiting groove corresponding to the mounting groove and matched with the upper section of the component to be tested is formed in the second mounting seat and is connected with the first mounting seat through a locating pin and used for limiting the upper section of the component to be tested. According to the vibration performance testing device, through the designs of the first mounting seat, the second mounting seat, the mounting groove, the limiting groove and the like, the element to be tested can be effectively fixed on the vibration performance testing device, so that the situation that the element to be tested is deviated, slides or jumps on a test bed of the vibration performance testing device is avoided, and the accuracy of the vibration performance testing result of the element to be tested is improved.

Inventors

  • WEI JIAJUN
  • DU QIAN
  • JIN XIN

Assignees

  • 西安环测试验技术有限公司

Dates

Publication Date
20260508
Application Date
20250630

Claims (8)

  1. 1. The vibration reduction performance testing tool is characterized by comprising a first mounting seat (100) and a second mounting seat (200) corresponding to the first mounting seat (100); the first mounting seat (100) is provided with a mounting groove (101) for mounting the element (300) to be tested, and is arranged on a test bed (400) of vibration reduction performance test equipment; Wherein the top of the element to be tested (300) mounted in the mounting groove (101) is higher than the top surface of the mounting groove (101) by a preset height; The second mounting seat (200) is provided with a limiting groove (201) which corresponds to the mounting groove (101) and is matched with the upper section of the element to be tested (300), and the limiting groove is connected with the first mounting seat (100) through a locating pin (500) and used for limiting the upper section of the element to be tested (300).
  2. 2. The vibration damping performance test fixture according to claim 1, wherein the first mount (100) and the second mount (200) are both square; The mounting grooves (101) are formed in a plurality, and the mounting grooves (101) are formed close to four right angles of the first mounting seat (100); the limiting grooves (201) are multiple, and the limiting grooves (201) are in one-to-one correspondence with the mounting grooves (101).
  3. 3. The vibration damping performance test fixture according to claim 2, wherein a positioning hole (102) is formed in the first mounting seat (100), and a positioning through hole (202) corresponding to the positioning hole (102) is formed in the second mounting seat (200); The positioning pin (500) comprises a first positioning shaft (501) and a second positioning shaft (502) which are integrally formed and a positioning cap (503); The first positioning shaft (501) is matched with the positioning hole (102), the diameter of the second positioning shaft (502) is smaller than the diameters of the first positioning shaft (501) and the positioning through hole (202), the diameter of the first positioning shaft (501) is larger than the diameter of the positioning through hole (202), the positioning cap (503) is matched with the positioning through hole (202), the first positioning shaft (501) stretches into the positioning hole (102), the second positioning shaft (502) penetrates through the positioning through hole (202), and the positioning cap (503) is arranged at the top end of the second positioning shaft (502) in a covering mode and stretches into the positioning through hole (202); When the lower surface of the second mounting seat (200) is abutted against the top surface of the first positioning shaft (501), the top of the element to be tested (300) is abutted against the inner top surface of the limit groove (201).
  4. 4. A vibration damping performance testing tool according to claim 3, wherein a plurality of positioning holes (102) are provided, and one positioning hole (102) is formed in the middle between every two adjacent mounting grooves (101) on the first mounting seat (100); the positioning through holes (202) and the positioning pins (500) are multiple and respectively correspond to the positioning holes (102) one by one.
  5. 5. The vibration damping performance test fixture according to claim 1, wherein the first mounting seat (100) is connected with a test stand (400) of the vibration damping performance test equipment through a fastening bolt (600), and the fastening bolts (600) are multiple; A plurality of threaded through holes (103) are formed in the first mounting seat (100) around the center of the first mounting seat, a plurality of first threaded holes (401) are formed in a test bed (400) of vibration reduction performance testing equipment, the first threaded holes (401) and the threaded through holes (103) are in one-to-one correspondence, and the screw end of each fastening bolt (600) penetrates through the threaded through holes (103) and the corresponding first threaded holes (401) so as to fix the first mounting seat (100) on the test bed (400) of the vibration reduction performance testing equipment.
  6. 6. The vibration damping performance test fixture according to claim 1, wherein second threaded holes (700) are respectively formed in the peripheral side walls of the first mounting seat (100) and the second mounting seat (200), and at least two second threaded holes (700) are formed in the same side wall of the first mounting seat (100) or the second mounting seat (200); The device further comprises at least two movable rods (701), wherein each movable rod (701) is provided with external threads (7011) and the length of each movable rod is larger than the depth of the second threaded hole (700), and the external threads (7011) are matched with the second threaded holes (700).
  7. 7. The vibration damping performance testing tool according to claim 6, wherein the depth of the second threaded hole (700) is 0.2-0.35 times the length or width of the first mounting seat (100) and the second mounting seat (200).
  8. 8. The vibration damping performance test fixture according to any one of claims 1 to 7, wherein the surfaces of the first mount (100) and the second mount (200) are each provided with a rust-preventing layer of a preset thickness; The preset thickness is 0.2 cm-0.4 cm.

Description

Vibration damping performance test fixture Technical Field The application relates to the technical field of vibration reduction, in particular to a vibration reduction performance testing tool. Background The vibration damping performance test is to evaluate the energy dissipation capacity and stability of the element under dynamic load by a systematic method, and the core of the vibration damping performance test is to quantify damping characteristics, fatigue life and environmental adaptability. In the process of testing the vibration damping performance of the element to be tested, the element to be tested needs to be fixed on a test stand of vibration damping performance testing equipment in a binding or gluing mode and the like, and the installation state of the element in practical application is simulated to realize the detection of the vibration damping performance of the element to be tested. However, the element to be tested fixed on the vibration damping performance testing device in the above manner may deviate, slide or jump on the test stand of the vibration performance testing device along with the continuation of vibration, the increase of vibration amplitude, and the like, so that the vibration waveform distortion may not truly reflect the vibration damping performance, thereby reducing the accuracy of the vibration damping performance testing result of the element to be tested. Based on the vibration damping performance testing tool, the application provides a vibration damping performance testing tool. Disclosure of utility model The application provides a vibration damping performance testing tool which is used for solving the technical problems described in the background art. In order to solve the technical problems, the application adopts the following technical scheme: The application provides a vibration damping performance testing tool, which comprises a first mounting seat and a second mounting seat corresponding to the first mounting seat; the first mounting seat is provided with a mounting groove for mounting the element to be tested, and is arranged on a test bed of vibration reduction performance test equipment; Wherein the top of the element to be tested, which is arranged in the mounting groove, is higher than the top surface of the mounting groove by a preset height; the second mounting seat is provided with a limiting groove which corresponds to the mounting groove and is matched with the upper section of the element to be tested, and the limiting groove is connected with the first mounting seat through a locating pin and used for limiting the upper section of the element to be tested. Optionally, the first mounting seat and the second mounting seat are square; the mounting grooves are formed in a plurality of right angles, close to the first mounting seat, of the mounting grooves; The limiting grooves are multiple, and the limiting grooves correspond to the mounting grooves one by one. Optionally, a positioning hole is formed in the first mounting seat, and a positioning through hole corresponding to the positioning hole is formed in the second mounting seat; The positioning pin comprises a first positioning shaft, a second positioning shaft and a positioning cap which are integrally formed; The first positioning shaft is matched with the positioning hole, the diameter of the second positioning shaft is smaller than the diameters of the first positioning shaft and the positioning through hole, the diameter of the first positioning shaft is larger than the diameter of the positioning through hole, the positioning cap is matched with the positioning through hole, the first positioning shaft stretches into the positioning hole, the second positioning shaft penetrates through the positioning through hole, and the positioning cap is arranged at the top end of the second positioning shaft and stretches into the positioning through hole; When the lower surface of the second mounting seat is abutted with the top surface of the first positioning shaft, the top of the element to be tested is abutted with the inner top surface of the limiting groove. Optionally, the plurality of positioning holes are formed, and one positioning hole is formed in the middle part between every two adjacent mounting grooves on the first mounting seat; The positioning through holes and the positioning pins are multiple and correspond to the positioning holes one by one. Optionally, the first mounting seat is connected with a test stand of the vibration damping performance testing device through a plurality of fastening bolts; A plurality of threaded through holes are formed in the first mounting seat around the center of the first mounting seat, a plurality of first threaded holes are formed in a test bed of vibration damping performance testing equipment, the first threaded holes correspond to the threaded through holes one by one, and the screw rod end of each fastening bolt penetrates through the th