CN117433724A - Triaxial vibration test fixture suit - Google Patents

Triaxial vibration test fixture suit Download PDF

Info

Publication number
CN117433724A
CN117433724A CN202311154345.8A CN202311154345A CN117433724A CN 117433724 A CN117433724 A CN 117433724A CN 202311154345 A CN202311154345 A CN 202311154345A CN 117433724 A CN117433724 A CN 117433724A
Authority
CN
China
Prior art keywords
vibration
mounting
vertical
horizontal
platform
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202311154345.8A
Other languages
Chinese (zh)
Inventor
朱迎春
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuxi Huace Electronic System Co Ltd
Original Assignee
Wuxi Huace Electronic System Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wuxi Huace Electronic System Co Ltd filed Critical Wuxi Huace Electronic System Co Ltd
Priority to CN202311154345.8A priority Critical patent/CN117433724A/en
Publication of CN117433724A publication Critical patent/CN117433724A/en
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M7/00Vibration-testing of structures; Shock-testing of structures
    • G01M7/02Vibration-testing by means of a shake table
    • G01M7/027Specimen mounting arrangements, e.g. table head adapters
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M7/00Vibration-testing of structures; Shock-testing of structures
    • G01M7/02Vibration-testing by means of a shake table
    • G01M7/06Multidirectional test stands

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)

Abstract

The invention discloses a triaxial vibration test fixture set, which comprises an assembly part, a horizontal vibration bracket group, a vertical vibration bracket group and a vibration platform. When X, Y shaft vibration test is carried out, the assembly part is arranged on the vibration platform through the horizontal vibration bracket group, and the bottom surface of the assembly part is arranged in parallel with the vibration platform; when the Z-axis vibration test is carried out, the assembly part is installed on the vibration platform through the vertical vibration support group, and the bottom surface of the assembly part is perpendicular to the vibration platform. The relative posture between the assembly part and the vibration platform can be changed by switching the horizontal vibration support group and the vertical vibration support group, so that the direction that the assembly part is subjected to vibration is adjusted, and the triaxial vibration test is carried out on the premise of not rotating the vibration platform.

Description

Triaxial vibration test fixture suit
Technical Field
The invention belongs to the technical field of vibration test tools, and particularly relates to a triaxial vibration test fixture set.
Background
Patent number CN212807548U discloses a vibration testing tool which enables two-axis vibration testing of a component. Because of the lack of a jig suitable for the third shaft, it is necessary to manually rotate the vibration table so that the vibration direction of the vibration table coincides with the third shaft when the third shaft vibration test is performed. This process is relatively time consuming and has low test efficiency.
Disclosure of Invention
In order to solve the problems in the related art, the application provides a triaxial vibration testing clamp set which can realize triaxial vibration testing of an assembly under the condition that a vibration table is not rotated, and testing efficiency is effectively improved.
The technical proposal is as follows:
the utility model provides a triaxial vibration test fixture suit, the fixture suit includes assembly portion, horizontal vibration support group, vertical vibration support group and vibrating platform, and assembly portion is equipped with horizontal installation position and vertical installation position, wherein: the assembly installation end of the horizontal vibration bracket group is connected to the horizontal installation position; the platform mounting end of the horizontal vibration bracket group is connected with the vibration platform; the assembly installation end of the vertical vibration bracket group is connected to the vertical installation position; the platform mounting end of the vertical vibration bracket group is connected with the vibration platform; the mounting portion is configured to mount a test component;
when X, Y shaft vibration test is carried out, the assembly part is arranged on the vibration platform through the horizontal vibration bracket group, and the bottom surface of the assembly part is arranged in parallel with the vibration platform;
when the Z-axis vibration test is carried out, the assembly part is installed on the vibration platform through the vertical vibration support group, and the bottom surface of the assembly part is perpendicular to the vibration platform.
The relative posture between the assembly part and the vibration platform can be changed by switching the horizontal vibration support group and the vertical vibration support group, so that the direction that the assembly part is subjected to vibration is adjusted, and the triaxial vibration test is carried out on the premise of not rotating the vibration platform.
Further, the assembly portion includes a component assembly, a first mount, and a second mount, wherein: the component assembly is arranged between the first mounting table and the second mounting table; the first mounting table and the second mounting table are in butt joint mounting to clamp and fix the assembly; the horizontal installation position is arranged on the first installation table; the vertical installation position is arranged on the second installation table.
The first mounting table and the second mounting table are used for clamping and fixing the component assembly, so that the component assembly is more stable, and the vibration testing precision is improved.
Further, both sides of the first mounting table are provided with horizontal mounting grooves, and the horizontal mounting grooves are connected with the horizontal vibration bracket group through bolts.
Further, vertical mounting grooves are formed in two sides of the second mounting table, and the vertical mounting grooves are connected to the vertical vibration support group through bolts.
Further, the first mount is provided with a first component mounting groove, and the second mount is provided with a second component mounting groove, wherein: the first component mounting groove and the second component mounting groove are arranged in opposite directions; the first component mounting slot and the second component mounting slot are configured to collectively mount a component assembly.
Providing mounting slots may further enhance the robustness of the component assembly.
Further, the component assembly is provided with a test connector for connecting the test system, the test connector is connected to the component assembly in a plugging manner, and the test connector is provided with a handle.
Further, the horizontal vibration support group includes a first horizontal mount and a second horizontal mount that are symmetrically disposed, wherein: the first end of the first horizontal installation seat is connected with a horizontal installation groove on the first side of the first installation table through bolts; the second end of the first horizontal mounting seat is connected with the vibration platform through bolts; the first end of the second horizontal installation seat is connected with the horizontal installation groove on the second side of the first installation table through bolts; the second end bolt of the second horizontal installation seat is connected to the vibration platform.
Further, the vertical vibration bracket group includes vertical mount pad, and the vertical mounting bracket of first and second that the symmetry set up, wherein: the upper surface of the vertical installation seat is vertically provided with a first vertical installation frame and a second vertical installation frame; the lower surface of the vertical mounting seat is attached to the vibration platform; the vertical mounting seat is connected with the vibration platform through bolts; the first vertical mounting frame is connected with a vertical mounting groove on the first side of the second mounting table through bolts; the second vertical mounting rack is connected with a vertical mounting groove on the second side of the second mounting table through bolts.
Further, the vertical mount is provided with a spacer configured to support the assembly.
Further, the vibration platform is equipped with a plurality of bolt installation positions, cable support and screens piece, wherein: the bolt mounting positions can correspondingly mount the cable brackets, a plurality of horizontal vibration bracket groups or a plurality of vertical vibration bracket groups; the top of the cable bracket is provided with a plurality of cable slots; the clamping block covers the cable groove and is connected to the cable bracket; the cable trough is configured to connect cables of the test system through the mounting portion.
The cable support and the clamping block are arranged to support and strengthen the cable, so that the cable is prevented from shaking to damage the test result.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention as claimed.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
FIG. 1 is a schematic view of a structure in which an assembly portion of the present invention is connected to a horizontal vibration bracket set;
FIG. 2 is a schematic view showing the assembly of the present invention with a horizontal vibration cradle set;
FIG. 3 is a schematic view of the structure of the assembly portion of the present invention connected to a vertical vibration cradle set;
FIG. 4 is a schematic top view of the assembly of the present invention for XY axis vibration testing on a vibration table;
fig. 5 is a schematic structural view of a cable support and a clamping block according to the present invention.
Fig. 1-5 include:
1. an assembling portion; 11. a component assembly; 12. testing the connector; 13. a handle; 2. a first mounting table; 21. a horizontal mounting groove; 3. a second mounting table; 31. a vertical mounting groove; 32. a second component mounting groove; 4. a horizontal vibration bracket group; 41. a first horizontal mount; 42. a second horizontal mount; 5. a vertical vibration cradle set; 51. a vertical mounting base; 52. a first vertical mounting bracket; 53. a second vertical mounting bracket; 54. a cushion block; 6. a vibration platform; 61. a bolt installation position; 62. a cable support; 63. a clamping block; 64. a cable trough.
Detailed Description
Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the invention. Rather, they are merely examples of apparatus and methods consistent with aspects of the invention as detailed in the accompanying claims.
The platform for vibration test in the prior art can vibrate in the plane direction or the vertical direction, when the vibration platform only supports the vibration in the plane direction, the platform can vibrate in two axes only and lacks a clamp suitable for the third axis, so that when the third axis test is required, the vibration platform needs to be manually rotated, and the vibration direction of the vibration platform is overlapped with the third axis. This process is relatively time consuming and has low test efficiency.
In order to solve the technical problems, the application provides a triaxial vibration testing fixture set, as shown in fig. 1-5:
the fixture suit includes assembly portion 1, horizontal vibration support group 4, vertical vibration support group 5 and vibrating platform 6, and assembly portion 1 is equipped with horizontal installation position and vertical installation position, wherein: the assembly installation end of the horizontal vibration bracket group 4 is connected to a horizontal installation position; the platform mounting end of the horizontal vibration bracket group 4 is connected with a vibration platform 6; the assembly installation end of the vertical vibration bracket group 5 is connected to a vertical installation position; the platform mounting end of the vertical vibration bracket group 5 is connected with the vibration platform 6; the fitting portion 1 is configured to mount a test component;
the tested component can be a T/R component, the T/R component can be provided with an integrated test module, the integrated test module is jointly installed inside the assembly part 1, external test equipment is connected through a cable, and the T/R component can be tested for the vibration resistance of the test structure and the change of the electrical property of the T/R component in the vibration process.
When X, Y axis vibration test is carried out, the assembly part 1 is arranged on the vibration platform 6 through the horizontal vibration bracket group 4, and the bottom surface of the assembly part 1 is arranged in parallel with the vibration platform 6; and the vibration platform 6 performs biaxial vibration in the plane, so that X, Y axis vibration test can be completed.
When the Z-axis vibration test is performed, the assembly part 1 is mounted on the vibration platform 6 through the vertical vibration bracket group 5, and at this time, the bottom surface of the assembly part 1 is perpendicular to the vibration platform 6.
The test procedure of the present application is as follows:
in the X, Y axis vibration test, the fitting part 1 is mounted on the vibration platform 6 through the horizontal vibration bracket group 4, the vibration platform 6 performs biaxial vibration, and the fitting part 1 collects and outputs test data to the system. When the Z-axis vibration test is performed, the horizontal vibration support group 4 is detached from the vibration platform 6, the assembly part 1 and the horizontal vibration support group 4 are detached, the horizontal vibration support group 4 is replaced by the vertical vibration support group 5 and is connected to the corresponding position of the assembly part 1, and then the horizontal vibration support group is integrally mounted on the vibration platform 6. Because the mounting positions of the assembly part 1 and the horizontal vibration bracket group 4 and the vertical vibration bracket group 5 are different, the posture of the assembly part 1 relative to the vibration platform 6 can be changed after the horizontal vibration bracket group 4 is switched into the vertical vibration bracket group 5, and the original parallel posture is changed into the vertical posture, so that the assembly part 1 can vibrate in the Z-axis direction on the premise of not adjusting the vibration platform 6. The switching process only needs to disassemble the horizontal vibration bracket set 4 and replace the vertical vibration bracket set 5, the workload is far smaller than that of the turnover vibration platform 6, and the operation is easier.
Therefore, by switching the horizontal vibration support group 4 and the vertical vibration support group 5, the relative posture between the assembly part 1 and the vibration platform 6 can be changed, and the direction of vibration of the assembly part 1 is adjusted, so that the triaxial vibration test is performed on the premise of not rotating the vibration platform.
In one possible embodiment, the mounting portion 1 comprises a component assembly 11, a first mounting station 2 and a second mounting station 3, wherein: the component assembly 11 is arranged between the first mounting table 2 and the second mounting table 3; the first mounting table 2 and the second mounting table 3 are in butt joint mounting to clamp and fix the assembly; the horizontal installation position is arranged on the first installation table 2; the vertical installation position is arranged on the second installation table 3.
The first mounting table 2 and the second mounting table 3 are used for clamping and fixing the assembly part 1 together, and the first mounting table 2 and the second mounting table 3 are respectively used for mounting the horizontal vibration support group 4 and the vertical vibration support group 5, so that the switching of different axial vibration tests is facilitated.
Therefore, the first mounting table 2 and the second mounting table 3 clamp and fix the component assembly 11, so that the component assembly 11 is more stable, and the vibration testing precision is improved.
In one possible embodiment, both sides of the first mounting table 2 are provided with horizontal mounting grooves 21, and the horizontal mounting grooves 21 are bolted to the horizontal vibration bracket set 4.
Providing the horizontal mounting groove 21 can create a sinking table area, and can make the connection of the horizontal vibration cradle set 4 with the first mounting table 2 more stable.
In one possible embodiment, both sides of the second mounting table 3 are provided with vertical mounting grooves 31, and the vertical mounting grooves 31 are bolted to the vertical vibration cradle set 5.
Normally, the vertical vibration bracket set 5 is installed in the vertical installation groove 31, but may also be installed in the area of the second installation table 3 located at one side of the back of the vertical installation groove 31, the vertical installation groove 31 may be provided with a through hole, and the vertical vibration bracket set 5 may be connected to the front and back sides of the vertical installation groove 31 through bolts.
In one possible embodiment, the first mounting station 2 is provided with a first component mounting slot (not shown in the drawings), and the second mounting station 3 is provided with a second component mounting slot 32, wherein: the first component mounting groove is disposed opposite the second component mounting groove 32; the first and second component mounting slots 32 are configured to collectively mount the component assembly 11.
The first and second component mounting grooves 32 should correspond to the outer contours of the component assembly 11 so that both sides of the component assembly 11 can be respectively inserted into the first and second component mounting grooves 32.
It can be seen that the provision of the mounting slots can further enhance the robustness of the component assembly 11.
In one possible embodiment, the component assembly 11 is provided with a test connector 12 for connecting to a test system, the test connector 12 is connected to the component assembly 11 in a plug-in manner, and the test connector 12 is provided with a handle 13.
During testing, the test connector 12 is in butt joint with the rectangular connector of the component assembly 11, and the handle 13 is arranged to facilitate the insertion and the extraction of the test connector 12.
In one possible embodiment, the horizontal vibration cradle set 4 comprises a first horizontal mount 41 and a second horizontal mount 42 symmetrically arranged, wherein: the first end of the first horizontal mounting seat 41 is connected with the horizontal mounting groove 21 on the first side of the first mounting table 2 through bolts; the second end of the first horizontal mounting seat 41 is connected to the vibration platform 6 through bolts; the first end of the second horizontal mounting seat 42 is connected with the horizontal mounting groove 21 on the second side of the first mounting table 2 through bolts; a second end of the second horizontal mount 42 is bolted to the vibration table 6.
The first horizontal mounting seat 41 and the second horizontal mounting seat 42 support the assembly part 1 together, so that the structural strength of the assembly part can be effectively enhanced, and fatigue fracture of the component assembly 11 is avoided.
In one possible embodiment, the vertical vibration cradle set 5 comprises a vertical mount 51, and a first vertical mount 52 and a second vertical mount 53 symmetrically disposed, wherein: a first vertical installation frame 52 and a second vertical installation frame 53 are vertically arranged on the upper surface of the vertical installation seat 51; the lower surface of the vertical mounting seat 51 is attached to the vibration platform 6; the vertical mounting seat 51 is connected with the vibration platform 6 through bolts; the first vertical mounting frame 52 is bolted to the vertical mounting groove 31 on the first side of the second mounting table 3; the second vertical mounting bracket 53 is bolted to the vertical mounting groove 31 on the second side of the second mounting table 3.
In one possible embodiment, the vertical mount 51 is provided with a spacer 54, the spacer 54 being configured to support the mounting portion 1.
When the assembly part 1 is subjected to Z-axis vibration test, the vertical vibration bracket group 5 is connected with the side surface of the assembly part 1 from the front view direction, the lower part of the assembly part 1 is in a suspended state, the overall stability is reduced due to the influence of gravity, and the cushion block 54 is arranged to further increase the installation stability between the assembly part 1 and the vibration platform 6, so that the lower part of the assembly part 1 is supported, and the overall stability is improved.
In one possible embodiment, the vibration table 6 is provided with several bolt mounting locations 61, a cable support 62 and a clamping block 63, wherein: the bolt mounting positions 61 can correspondingly mount the cable brackets 62, the plurality of horizontal vibration bracket groups 4 or the plurality of vertical vibration bracket groups 5; the top of the cable support 62 is provided with a plurality of cable grooves 64; the clamping block 63 covers the cable slot 64 and is connected to the cable bracket 62; the cable slot 64 is configured to connect a cable of the test system through the fitting part 1.
According to the actual size of the assembly part 1 during testing, the horizontal vibration support group 4 and the vertical vibration support group 5 which are matched in corresponding numbers can simultaneously install the plurality of assembly parts 1 on the vibration platform 6, so that the plurality of assemblies can be subjected to vibration testing at one time, and the testing efficiency is greatly improved. On the other hand, in order to protect the cable of the connection system from vibration, a cable bracket 62 is installed at a position where the cable of the assembly part 1 is correspondingly connected, the connected cable is placed in a cable groove 64 to play a role in stabilizing the cable, and meanwhile, a cover installation clamping block 63 limits the cable in the cable groove 64 to avoid the cable from falling off during vibration.
Therefore, the cable support 62 and the clamping block 63 can support and strengthen the cable, and damage to the test result caused by shaking of the cable during vibration is avoided.
Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
It is to be understood that the invention is not limited to the precise arrangements and instrumentalities shown in the drawings, which have been described above, and that various modifications and changes may be effected without departing from the scope thereof. The scope of the invention is limited only by the appended claims.

Claims (10)

1. The utility model provides a triaxial vibration test anchor clamps suit, its characterized in that, anchor clamps suit includes assembly portion, horizontal vibration support group, vertical vibration support group and vibrating platform, assembly portion is equipped with horizontal installation position and vertical installation position, wherein:
the assembly installation end of the horizontal vibration bracket group is connected to the horizontal installation position;
the platform mounting end of the horizontal vibration bracket group is connected with the vibration platform;
the assembly mounting end of the vertical vibration bracket group is connected to the vertical mounting position;
the platform mounting end of the vertical vibration bracket group is connected with the vibration platform;
the mounting portion is configured to mount a test component;
when X, Y shaft vibration test is carried out, the assembly part is arranged on the vibration platform through the horizontal vibration bracket group, and the bottom surface of the assembly part is arranged in parallel with the vibration platform;
when the Z-axis vibration test is carried out, the assembly part is installed on the vibration platform through the vertical vibration support group, and at the moment, the bottom surface of the assembly part is perpendicular to the vibration platform.
2. The clamp set of claim 1, wherein the mounting portion comprises a component assembly, a first mounting station, and a second mounting station, wherein:
the component assembly is arranged between the first mounting table and the second mounting table;
the first mounting table and the second mounting table are in butt joint mounting to clamp and fix the assembly;
the horizontal installation position is arranged on the first installation table;
the vertical installation position is arranged on the second installation table.
3. The fixture set of claim 2, wherein horizontal mounting slots are provided on both sides of the first mounting table, and the horizontal mounting slots are bolted to the horizontal vibration cradle set.
4. The fixture set of claim 2, wherein vertical mounting slots are provided on both sides of the second mounting table, and the vertical mounting slots are bolted to the vertical vibration cradle set.
5. The clamp set of claim 2, wherein the first mounting station is provided with a first component mounting slot and the second mounting station is provided with a second component mounting slot, wherein:
the first component mounting groove and the second component mounting groove are arranged in an opposite way;
the first component mounting slot and the second component mounting slot are configured to cooperatively mount the component assembly.
6. The clamp set of claim 2, wherein the component assembly is provided with a test connector for connecting to a test system, the test connector being connected to the component assembly in a plug-in manner, the test connector being provided with a handle.
7. The clamp set of claim 3, wherein the set of horizontal vibration brackets includes a first horizontal mount and a second horizontal mount symmetrically disposed, wherein:
the first end of the first horizontal mounting seat is connected with the horizontal mounting groove on the first side of the first mounting table through bolts;
the second end of the first horizontal mounting seat is connected with the vibration platform through bolts;
the first end of the second horizontal mounting seat is connected with the horizontal mounting groove on the second side of the first mounting table through bolts;
the second end bolt of the second horizontal installation seat is connected with the vibration platform.
8. The clamp set of claim 4, wherein the vertical vibration cradle set comprises a vertical mount, and a first vertical mount and a second vertical mount symmetrically disposed, wherein:
the first vertical mounting frame and the second vertical mounting frame are vertically arranged on the upper surface of the vertical mounting seat;
the lower surface of the vertical mounting seat is attached to the vibration platform;
the vertical mounting seat is connected with the vibration platform through bolts;
the first vertical mounting frame is connected with the vertical mounting groove on the first side of the second mounting table through bolts;
the second vertical mounting frame is connected with a vertical mounting groove on the second side of the second mounting table through bolts.
9. The clamp of claim 8, wherein the vertical mount is provided with a spacer block configured to support the mounting portion.
10. The clamp set of claim 1, wherein the vibration platform is provided with a plurality of bolt mounting locations, a cable support and a clamping block, wherein:
the bolt mounting positions can correspondingly mount the cable brackets, the plurality of horizontal vibration bracket groups or the plurality of vertical vibration bracket groups;
the top of the cable bracket is provided with a plurality of cable slots;
the clamping block is covered on the cable groove and connected with the cable bracket;
the cable trough is configured to connect cables of a test system through the fitting.
CN202311154345.8A 2023-09-08 2023-09-08 Triaxial vibration test fixture suit Pending CN117433724A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311154345.8A CN117433724A (en) 2023-09-08 2023-09-08 Triaxial vibration test fixture suit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311154345.8A CN117433724A (en) 2023-09-08 2023-09-08 Triaxial vibration test fixture suit

Publications (1)

Publication Number Publication Date
CN117433724A true CN117433724A (en) 2024-01-23

Family

ID=89554315

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311154345.8A Pending CN117433724A (en) 2023-09-08 2023-09-08 Triaxial vibration test fixture suit

Country Status (1)

Country Link
CN (1) CN117433724A (en)

Similar Documents

Publication Publication Date Title
CN202403887U (en) Three-axis vibration test device with integrated base
CN117433724A (en) Triaxial vibration test fixture suit
CN220854083U (en) Vibration test fixture
CN112945715A (en) Vibration impact and acceleration experiment fixture device
CN218336172U (en) Real testing arrangement that claps of camera module
CN216467547U (en) Transport vehicle butt joint structure capable of quickly adjusting rocket position
CN216859518U (en) Military aviation spare anchor clamps convenient to adjust
CN214200554U (en) Automobile wheel cover vibration clamp
CN214173742U (en) Supporting device for engine torsional vibration test
CN212932709U (en) External rotor electric machine test fixture
CN210166149U (en) Engine test support
CN210689987U (en) Vertical vibration test system of solar cell wing
CN210000612U (en) Many rotor unmanned aerial vehicle's horn anti-vibration capability test device
EP0215641A2 (en) Vibration testing apparatus
CN213301694U (en) Quick check out test set of automobile parts
CN107575515B (en) Steel wire rope damping device, installation method and application thereof
CN214589652U (en) A installation mechanism for circular connector centering
CN217542320U (en) Vibration test tool
CN214081059U (en) Clamp for removing DIP device
CN220485804U (en) Fixed frock of small-size bent axle processing
CN220982651U (en) Test fixture
CN215698684U (en) Circuit component welding frame
CN219799732U (en) Accurate quick-witted case of location inserts testing arrangement
CN215415515U (en) A calibration anchor clamps for PCBA makeup
CN221100491U (en) Bluetooth PCBA board automatic test type bearing platform

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination