CN220084293U

CN220084293U - Vibration test fixture that commonality is good

Info

Publication number: CN220084293U
Application number: CN202321575933.4U
Authority: CN
Inventors: 李颢; 李萍; 王雷; 程苗; 许文清
Original assignee: Shaanxi Haice Electronic Technology Service Co ltd
Current assignee: Shaanxi Haice Electronic Technology Service Co ltd
Priority date: 2023-06-20
Filing date: 2023-06-20
Publication date: 2023-11-24
Anticipated expiration: 2033-06-20

Abstract

The utility model discloses a vibration test fixture with good universality, which relates to the technical field of vibration detection equipment and aims at solving the problems of inconvenient disassembly and installation and low test efficiency in the prior art.

Description

Vibration test fixture that commonality is good

Technical Field

The utility model relates to the technical field of vibration detection equipment, in particular to a vibration test jig with good universality.

Background

The vibration test aims at simulating a series of vibration phenomena, testing whether a product can bear the test of the vibration environment in the transportation or use process in the service life period, and determining the requirement standard of the design and the function of the product.

The vibration test includes deterministic vibration and random vibration, different vibration tests need to use different test jigs, the commonality is poor, and Chinese patent CN202021259997.X discloses a vibration test jig and a vibration test device, including testboard, objective table, adjustable clamping piece and a plurality of fastener. The test bench comprises a plurality of mounting side surfaces, and a plurality of fastening holes are formed in each side surface; the objective table is provided with a first through hole matched with each fastening hole; the adjusting and clamping piece is arranged on the objective table and used for clamping a product to be detected; each fastener passes through the first through hole and the fastening hole to fix the objective table to the test bench.

The vibration test results in a plurality of different directions can be detected on the same test bench, the universality of the vibration test jig is improved, but the object stage is required to be detached and mounted on different side walls of the test bench during detection, the adjustment process is complicated, and the test efficiency is low.

Disclosure of Invention

In view of the problems existing in the prior art, the utility model discloses a vibration test fixture with good universality, which adopts the technical scheme that the vibration test fixture comprises a base, wherein mounting holes are formed in corners of the base, a turntable is rotatably connected to the base and can rotate to adjust directions, a fixing bolt is connected between the turntable and the base, a support is arranged on the turntable, a rotating groove is formed in the support, a turnover block is rotatably connected to the rotating groove, the bottom surface of the rotating groove is a horizontal surface, the turnover block is horizontally turned in the rotating groove and can quickly adjust the orientation, a sliding seat is arranged at the top of the turnover block, clamping blocks are slidably connected to the sliding seat, and the clamping blocks are symmetrically arranged in two groups and can clamp and fix tested electronic equipment.

As a preferable technical scheme of the utility model, the side walls of the rotating groove are provided with sliding grooves, the side walls of the overturning block are provided with sliding rods, the sliding rods are connected in a sliding manner in the sliding grooves, so that the overturning block can be lifted, and the overturning block can be conveniently rotated.

As a preferable technical scheme of the utility model, the bottom surface of the rotary groove is provided with the caulking groove, the bottom of the turnover block is provided with the caulking block, and the caulking block corresponds to the caulking groove in a size matching position, so that the turnover block is convenient to position in a vertical state.

As a preferable technical scheme of the utility model, the sliding seat is provided with the shaft seat, the shaft seat is rotationally connected with the adjusting rod, the adjusting rod is provided with the threaded sections with opposite rotation directions, and the clamping blocks are in threaded connection with the threaded sections, so that the distance between the clamping blocks can be conveniently adjusted to clamp electronic equipment.

As a preferable technical scheme of the utility model, one end of the adjusting rod is provided with a rotating handle which is convenient for rotating the adjusting rod, and the other end of the adjusting rod is provided with a plug which prevents the clamping block from being separated.

As a preferable technical scheme of the utility model, positioning plates are symmetrically arranged on the front side and the rear side of the sliding seat, fixing plates are symmetrically arranged on the top surface of the supporting seat and the front side and the rear side of the left side wall and the right side wall, positioning bolts are connected to the positioning plates in a sliding manner and are in threaded connection with the fixing plates, and the positioning plates and the fixing plates can be fastened and limited, so that the stability of the sliding seat is improved.

As a preferable technical scheme of the utility model, an alignment seat is arranged on the front side of the turntable, an alignment block is connected onto the alignment seat in a sliding manner, a spring is arranged between the alignment block and the alignment seat in a pressing manner, positioning grooves are respectively arranged on the front side, the rear side, the left side and the right side of the base, and the alignment block corresponds to the positioning grooves in a size matching position, so that the turntable can conveniently rotate by a preset fixed angle.

As a preferable technical scheme of the utility model, the positioning groove is a semicircular groove, and the alignment block is provided with a shifting block, so that the positioning block and the positioning groove are matched with each other.

The utility model has the beneficial effects that: according to the utility model, the direction of the support can be conveniently adjusted by arranging the rotatable turntable on the base, the rotatable angle overturning block is arranged on the support, the electronic equipment to be tested is conveniently driven to carry out angle adjustment in the vertical direction, the test direction can be quickly adjusted by matching the rotatable turntable with the rotatable angle overturning block, the test efficiency is improved, the vertical state of the overturning block is positioned by the embedded block, the overturned sliding seat is positioned and fixed by the positioning plate and the fixing plate, the stability of the test fixture can be enhanced by fixing the turntable and the base by the fixing bolt, and the test accuracy is improved.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic elevational view of the present utility model;

FIG. 3 is a schematic view of a cross-sectional structure of A-A of the present utility model;

FIG. 4 is a right side view of the present utility model;

FIG. 5 is a schematic view of a B-B cross-sectional structure of the present utility model.

In the figure: 1. a base; 2. a turntable; 3. a support; 4. a fixing plate; 5. a turnover block; 6. a slide; 7. an adjusting rod; 8. a positioning bolt; 9. clamping blocks; 10. a mounting hole; 11. a positioning groove; 20. an alignment seat; 21. an alignment block; 22. a fixing bolt; 23. a shifting block; 30. a rotary groove; 31. a chute; 50. a slide bar; 51. an insert; 60. a positioning plate; 61. a shaft seat; 70. a rotating handle; 71. and (5) plugging.

Detailed Description

Example 1

As shown in fig. 1 to 5, the utility model discloses a vibration test fixture with good universality, which adopts the technical scheme that the vibration test fixture comprises a base 1, wherein mounting holes 10 are formed in corners of the base 1, a turntable 2 is rotatably connected to the base 1, a fixing bolt 22 is connected between the turntable 2 and the base 1, a support 3 is arranged on the turntable 2, a rotating groove 30 is arranged on the support 3, a turnover block 5 is rotatably connected to the rotating groove 30, the bottom surface of the rotating groove 30 is a horizontal surface, the turnover block 5 horizontally turns in the rotating groove 30, a sliding seat 6 is arranged at the top of the turnover block 5, clamping blocks 9 are slidably connected to the sliding seat 6, and the clamping blocks 9 are symmetrically arranged in two groups.

As shown in fig. 1 to 3, in order to increase the adjustment space of the turning block 5, sliding grooves 31 are formed on the side walls of the turning groove 30, sliding rods 50 are formed on the side walls of the turning block 5, and the sliding rods 50 are slidably connected in the sliding grooves 31.

As shown in fig. 5, in order to improve the positioning of the turning block 5 and the rotating groove 30, the turning block 5 is convenient to keep in a vertical state, an embedded groove is arranged on the bottom surface of the rotating groove 30, an embedded block 51 is arranged at the bottom of the turning block 5, and the embedded block 51 corresponds to the size matching position of the embedded groove.

As shown in fig. 3 and 5, in order to facilitate adjustment of the clamping block 9 and improve the clamping stability of the clamping block 9, the sliding seat 6 is provided with a shaft seat 61, the shaft seat 61 is rotatably connected with an adjusting rod 7, the adjusting rod 7 is provided with threaded sections with opposite rotation directions, and the clamping block 9 is in threaded connection with the threaded sections.

As shown in fig. 1, 2, 4 and 5, in order to facilitate rotation of the adjusting lever 7, one end of the adjusting lever 7 is provided with a rotating handle 70, and the other end of the adjusting lever 7 is provided with a plug 71 to prevent the clamp block 9 from falling off from the adjusting lever 7.

As shown in fig. 1 to 5, in order to enhance the stability of the slide 6 after being turned over, positioning plates 60 are symmetrically arranged on the front side and the rear side of the slide 6, fixing plates 4 are symmetrically arranged on the front side and the rear side of the top surface and the left side wall and the right side wall of the support 3, positioning bolts 8 are slidably connected to the positioning plates 60, and the positioning bolts 8 are in threaded connection with the fixing plates 4.

As shown in fig. 1 to 4, in order to facilitate angular positioning when the turntable 2 rotates, an alignment seat 20 is provided on the front side of the turntable 2, an alignment block 21 is slidably connected to the alignment seat 20, a spring is pressed between the alignment block 21 and the alignment seat 20, positioning slots 11 are provided on front, rear, left and right side walls of the base 1, and the alignment block 21 corresponds to the size matching position of the positioning slots 11.

As shown in fig. 1, 2 and 4, in order to facilitate the cooperation of the positioning groove 11 and the alignment block 21, the positioning groove 11 is a semicircular groove, and the alignment block 21 is provided with a shifting block 23.

The working principle of the utility model is as follows: the base 1 is arranged on a test bench by using bolts to pass through the mounting holes 10, the fixing bolts 22 pass through the rotary table 2 to be screwed on the base 1, the rotary table 2 is fixed on the base 1, the alignment block 21 is inserted into the positioning groove 11, the embedded block 51 is positioned in the embedded groove, the sliding rod 50 is positioned at the bottom of the sliding groove 31, the turnover block 5 is in a vertical state, the sliding seat 6 is positioned at the top of the support 3, the positioning plate 60 is aligned with the fixing plate 4 at the top, the positioning bolts 8 pass through the positioning plate 60 to be screwed on the fixing plate 4 for fixing, during testing, the electronic equipment to be tested is placed on the sliding seat 6, then the rotary handle 70 is used for rotating the adjusting rod 7, the adjusting rod 7 rotates on the shaft seat 61, the threaded section on the adjusting rod 7 drives the clamping block 9 to move towards each other, the electronic equipment is clamped and fixed, then the test is performed, after the test is completed, the positioning bolts 8 are loosened, the sliding seat 6 is lifted, the turnover block 5 is driven to be lifted, the slide bar 50 moves upwards in the slide groove 31, the embedded block 51 is separated from the embedded groove, then the turnover block 5 is rotated in the rotary groove 30, the slide seat 6 is rotated to one side of the support 3, then the turnover block 5 is placed at the bottom of the rotary groove 30, the positioning plate 60 is aligned with the side fixing plate 4, the positioning plate 60 is fixedly connected with the side fixing plate 4 by using the positioning bolt 8, then a test is performed, after the test is completed, the fixing bolt 22 is loosened, the turntable 2 is separated from the base 1, then the alignment block 21 is separated from the positioning groove 11 by using the shifting block 23, then the turntable 2 is rotated by a certain angle, the alignment seat 20 is rotated to the other side, the alignment block 21 is aligned with the side positioning groove 11, the spring presses down the alignment block 21, the embedded in the positioning groove 11, then the turntable 2 is fixed on the base 1 by using the fixing bolt 22, after the test is completed again, the adjusting rod 7 is rotated in the direction to enable the clamping block 9 to move reversely, the electronic equipment is loosened, the plug 71 limits the clamping block 9, and the clamping block 9 is prevented from falling off from the adjusting rod 7.

The mechanical connection according to the utility model is a customary practice adopted by the person skilled in the art, and the technical teaching can be obtained by a limited number of tests, which belongs to the common general knowledge.

The components not described in detail herein are prior art.

Although the specific embodiments of the present utility model have been described in detail, the present utility model is not limited to the above embodiments, and various changes and modifications without inventive labor may be made within the scope of the present utility model without departing from the spirit of the present utility model, which is within the scope of the present utility model.

Claims

1. The utility model provides a vibration test tool that commonality is good, includes base (1), its characterized in that: the utility model discloses a rotary table, including base (1), rotary table (2), clamp block (9) are equipped with fixed bolt (22), fixed bolt (2) are equipped with on base (1), rotary groove (30) are equipped with on support (3), rotary groove (30) internal rotation is connected with upset piece (5), the bottom surface of rotary groove (30) is the horizontal plane, upset piece (5) are in horizontal upset in rotary groove (30), the top of upset piece (5) is equipped with slide (6), sliding connection has clamp block (9) on slide (6).

2. The vibration test fixture with good universality according to claim 1, wherein: the side walls of the rotating grooves (30) are respectively provided with a sliding groove (31), the side walls of the overturning blocks (5) are respectively provided with a sliding rod (50), and the sliding rods (50) are in sliding connection in the sliding grooves (31).

3. The vibration test fixture with good universality according to claim 2, wherein: the bottom surface of the rotary groove (30) is provided with an embedded groove, the bottom of the overturning block (5) is provided with an embedded block (51), and the embedded block (51) corresponds to the size matching position of the embedded groove.

4. The vibration test fixture with good universality according to claim 1, wherein: the sliding seat (6) is provided with a shaft seat (61), the shaft seat (61) is rotationally connected with an adjusting rod (7), the adjusting rod (7) is provided with threaded sections with opposite rotation directions, and the clamping blocks (9) are in threaded connection with the threaded sections.

5. The vibration test fixture with good universality according to claim 4, wherein: one end of the adjusting rod (7) is provided with a rotating handle (70), and the other end of the adjusting rod (7) is provided with a plug (71).

6. The vibration test fixture with good universality according to claim 1, wherein: the positioning device is characterized in that positioning plates (60) are symmetrically arranged on the front side and the rear side of the sliding seat (6), fixing plates (4) are symmetrically arranged on the front side and the rear side of the top surface of the support (3) and the front side and the rear side of the left side wall and the right side wall, positioning bolts (8) are connected to the positioning plates (60) in a sliding mode, and the positioning bolts (8) are in threaded connection with the fixing plates (4).

7. The vibration test fixture with good universality according to claim 1, wherein: the rotary table is characterized in that an alignment seat (20) is arranged on the front side of the rotary table (2), an alignment block (21) is connected to the alignment seat (20) in a sliding mode, a spring is arranged between the alignment block (21) and the alignment seat (20) in a pressing mode, positioning grooves (11) are formed in the front side, the rear side, the left side and the right side of the base (1), and the alignment block (21) corresponds to the size-matched positions of the positioning grooves (11).

8. The vibration test fixture with good universality according to claim 7, wherein: the positioning groove (11) is a semicircular groove, and the alignment block (21) is provided with a shifting block (23).