CN221685842U - Vibration test fixture - Google Patents
Vibration test fixture Download PDFInfo
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- CN221685842U CN221685842U CN202420259702.0U CN202420259702U CN221685842U CN 221685842 U CN221685842 U CN 221685842U CN 202420259702 U CN202420259702 U CN 202420259702U CN 221685842 U CN221685842 U CN 221685842U
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- 238000012360 testing method Methods 0.000 title claims abstract description 27
- 230000000149 penetrating effect Effects 0.000 claims abstract description 7
- 238000013459 approach Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000009863 impact test Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
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Abstract
The utility model discloses a vibration test fixture, which comprises a base, a support frame arranged on one side of the base and used for supporting and fixing a workpiece, and a clamping part, wherein the clamping part comprises a movable groove arranged on one side of the support frame, a first screw rod penetrating through the movable groove and used for driving, and a first motor arranged on the top of the first screw rod and used for driving, the clamping blocks at one end of the driving rod are close to or far away from each other through the two driving blocks, so that the two clamping blocks clamp and fix the workpiece, the problem that the workpiece is easy to deviate or separate when the existing equipment clamps and fixes the workpiece, the existing equipment cannot support the bottom of the workpiece conveniently, the workpiece slides down, the position of the workpiece needs to be adjusted for many times by test staff, and the stability and practicality of the equipment for clamping and fixing the workpiece are affected is solved.
Description
Technical Field
The utility model relates to the technical field of vibration tests, in particular to a vibration test clamp.
Background
The vibration test is one of the most main means for evaluating the adaptability of the mechanical environment of a product, the test purpose is to check the adaptability of the product to the mechanical environment, design defects are found in time, the basis is provided for perfecting the design, in the test, the test clamp is a force transmission component for transmitting vibration or excitation force of an impact table, the test clamp has enough rigidity to ensure that the elastic support system is not affected by resonance amplification caused by the clamp in the vibration impact process, in theory, the test clamp body is rigidly connected with tested equipment and a table top, the ideal target of clamp design and manufacture is only difficult to realize, the phenomenon of over test or under test is often caused by the test clamp in the vibration impact test, the tested equipment is damaged or can not reach the check standard, and the existing clamp is easy to incline or shift in the clamping process of the workpiece, so that the accuracy of the test is affected.
The work piece is shifted or breaks away from easily when current equipment carries out the centre gripping to the work piece fixed, and current equipment can not convenient work piece bottom support, causes the work piece to take place the landing, needs the test personnel to adjust the position many times, influences the stability and the practicality that equipment carries out the centre gripping to the work piece fixed.
Disclosure of utility model
The utility model aims to provide a vibration test fixture for solving the problems set forth in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the vibration test fixture comprises a base, a support frame arranged on one side of the base and used for supporting a workpiece, and a clamping part used for fixing the workpiece, wherein the clamping part comprises a movable groove arranged on one side of the support frame, a first screw rod penetrating through the movable groove and used for driving, a first motor arranged on the top of the first screw rod and used for driving, a driving frame arranged on the inner side of the movable groove and positioned on the outer side of the first screw rod, a driving groove arranged on one side of the driving frame and used for providing a movable space, a second screw rod penetrating through the driving frame and used for driving, a second motor arranged on one end of the second screw rod and used for providing power, two driving blocks arranged on the inner side of the driving groove and positioned on the outer side of the second screw rod, a driving rod arranged on one side of the driving block and a clamping block arranged on one end of the driving rod and used for fixing the workpiece;
The driving frame is in sliding connection with the movable groove, the first screw rod penetrates through the driving frame and is in threaded connection with the driving frame, the second screw rod penetrates through the driving frame and is in rotational connection with the driving frame, the second screw rod penetrates through the driving block and is in threaded connection with the driving block, the driving block is hinged with the driving rod, the driving rods are hinged, the driving rod is fixedly connected with the clamping blocks, the section of the clamping blocks is arc-shaped, and the section of the driving frame and the section of the driving block are in a convex shape.
Preferably, the driving frame bottom fixedly connected with two connecting blocks, driving frame bottom sliding connection has the supporting seat that is used for supporting, two spread grooves have been seted up at the supporting seat top, connecting block and spread groove swing joint, connecting block and spread groove cross-section are the L font.
Preferably, two guide rods used for limiting are arranged on the inner side of the movable groove, and the guide rods penetrate through the driving frame and are in sliding connection with the driving frame.
Preferably, one side of the driving rod is provided with a limiting rod for limiting, the limiting rod penetrates through the other driving rod and is in sliding connection with the driving rod, and the section of the limiting rod is arc-shaped.
Preferably, a spring for supporting is sleeved outside the guide rod, and two ends of the spring are fixedly connected with the supporting frame and the driving frame respectively.
Preferably, a base plate for fixing is arranged on one side of the clamping block, and a first anti-slip pad for preventing slipping is arranged on one side of the base plate.
Preferably, a second anti-slip pad for anti-slip is paved on the other side of the supporting seat.
Compared with the prior art, the utility model has the beneficial effects that:
1. The utility model is characterized in that the device comprises a base, a supporting frame, a movable groove, a first screw, a driving frame, a driving groove, a second screw, a second motor, a driving block, a driving rod and a clamping block, wherein the driving frame is in sliding connection with the movable groove, the first screw penetrates through the driving frame and is in threaded connection with the driving frame, the second screw penetrates through the driving frame and is in rotating connection with the driving frame, the second screw penetrates through the driving block and is in threaded connection with the driving block, the driving block is hinged with the driving rod, the two driving rods are hinged with the clamping block, the driving rod is fixedly connected with the clamping block, the section of the clamping block is arc-shaped, the sections of the driving frame and the driving block are both in a convex shape, the second screw is a bidirectional screw, the first screw can drive the driving frame to move up and down in the movable groove so as to adjust the positions of the driving frame and the base, the clamping blocks can clamp and fix different positions of a workpiece, and the second screw can drive the two driving blocks to approach or separate from each other in the driving groove, and the two clamping blocks approach or separate from each other through the clamping blocks at one end of the driving rod, so that the two clamping blocks fix the workpiece and the workpiece are prevented from shifting or slipping and slipping, and the convenience of fixing the workpiece are improved.
2. According to the utility model, the connecting block, the supporting seat and the connecting groove are movably connected, the cross sections of the connecting block and the connecting groove are L-shaped, the supporting seat can support the bottoms of the two clamping blocks for fixing the workpiece, so that the clamping blocks can drive the workpiece to fix at different heights, the supporting seat can be connected with the driving frame for mounting and fixing, and the supporting seat can be detached from the driving frame, so that the practicability of clamping and fixing the workpiece by equipment is improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a left side cutaway perspective view of the overall structure of the present utility model;
FIG. 3 is a front cross-sectional perspective view of the overall structure of the present utility model;
FIG. 4 is an enlarged view of the entire structure of the present utility model at A in FIG. 2;
fig. 5 is an enlarged view of the entire structure of the present utility model at B in fig. 3.
In the figure: 1. a base; 2. a support frame; 11. a movable groove; 12. a first screw; 13. a first motor; 14. a driving frame; 15. a driving groove; 16. a second screw; 17. a second motor; 18. a driving block; 19. a drive rod; 20. a clamping block; 21. a connecting block; 22. a support base; 23. a connecting groove; 24. a guide rod; 25. a limit rod; 26. a spring; 27. a backing plate; 28. a first cleat; 29. and a second non-slip mat.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
For a further understanding of the utility model, its features and advantages, reference is now made to the following examples, which are illustrated in the accompanying drawings.
The structure of the present utility model will be described in detail with reference to the accompanying drawings.
As shown in fig. 1 to 5, the vibration test fixture provided by the embodiment of the utility model comprises a base 1, a supporting frame 2 arranged at one side of the base 1 and used for supporting a workpiece, and a clamping component used for fixing the workpiece, wherein the clamping component comprises a movable groove 11 arranged at one side of the supporting frame 2, a first screw rod 12 penetrating through the movable groove 11 and used for driving, a first motor 13 arranged at the top of the first screw rod 12 and used for driving, a driving frame 14 arranged at the inner side of the movable groove 11 and positioned at the outer side of the first screw rod 12, a driving groove 15 arranged at one side of the driving frame 14 and used for providing a movable space, a second screw rod 16 penetrating through the driving frame 14 and used for driving, a second motor 17 arranged at one end of the second screw rod 16 and used for providing power, two driving blocks 18 arranged at the inner side of the driving groove 15 and positioned at the outer side of the second screw rod 16, a driving rod 19 arranged at one side of the driving block 18 and used for supporting, and a clamping block 20 arranged at one end of the driving rod 19 and used for fixing the workpiece;
The driving frame 14 is slidably connected with the movable groove 11, the first screw rod 12 penetrates through the driving frame 14 and is in threaded connection with the movable groove 11, the second screw rod 16 penetrates through the driving frame 14 and is in rotational connection with the driving frame, the second screw rod 16 penetrates through the driving block 18 and is in threaded connection with the driving block, the driving block 18 is hinged with the driving rods 19, the driving rods 19 are hinged, the driving rods 19 are fixedly connected with the clamping blocks 20, the section of the clamping blocks 20 is arc-shaped, and the sections of the driving frame 14 and the driving block 18 are both in a convex shape.
Referring to fig. 4, two connection blocks 21 are fixedly connected to the bottom of the driving frame 14, a supporting seat 22 for supporting is slidably connected to the bottom of the driving frame 14, two connection grooves 23 are formed in the top of the supporting seat 22, the connection blocks 21 are movably connected with the connection grooves 23, and the cross sections of the connection blocks 21 and the connection grooves 23 are L-shaped.
The scheme is adopted: through connecting block 21, supporting seat 22 and spread groove 23, connecting block 21 and spread groove 23 swing joint, connecting block 21 and spread groove 23 cross-section are the L font, and supporting seat 22 can support the bottom of two fixed work pieces of grip block 20 to grip block 20 drives the work piece and carries out not high fixed, and supporting seat 22 can be through connecting with drive frame 14 and install fixedly and break away from the dismantlement, improve the practicality that equipment carries out the centre gripping to the work piece fixedly.
Referring to fig. 3, two guiding rods 24 for limiting are provided inside the movable slot 11, and the guiding rods 24 penetrate through the driving frame 14 and are slidably connected with the driving frame.
The scheme is adopted: through the guide rods 24, the guide rods 24 penetrate through the driving frame 14 and are in sliding connection with the driving frame 14, the two guide rods 24 can guide and limit the driving frame 14, and the stability of the first screw rod 12 for driving the driving frame 14 to move up and down in the movable groove 11 is improved.
Referring to fig. 5, a limiting rod 25 for limiting is disposed on one side of the driving rod 19, the limiting rod 25 penetrates through the other driving rod 19 and is slidably connected with the other driving rod, and the cross section of the limiting rod 25 is arc-shaped.
The scheme is adopted: through the gag lever post 25, gag lever post 25 runs through another drive pole 19 and rather than sliding connection, and gag lever post 25 cross-section is the arc, and gag lever post 25 can support and direction drive pole 19, improves two drive poles 19 and takes place articulated stability.
Referring to fig. 3, a spring 26 for supporting is sleeved outside the guide rod 24, and two ends of the spring 26 are fixedly connected with the support frame 2 and the driving frame 14 respectively.
The scheme is adopted: through the spring 26, the spring 26 both ends respectively with support frame 2 and drive frame 14 fixed connection, can upwards support drive frame 14, reduce the atress that first screw rod 12 drove and drive frame 14 and remove to improve the stability that first screw rod 12 drove and drive frame 14 and carry out the upper and lower slip.
Referring to fig. 5, a base plate 27 for fixing is installed at one side of the clamping block 20, and a first anti-slip pad 28 for preventing slip is provided at one side of the base plate 27.
The scheme is adopted: through backing plate 27 and first slipmat 28, grip block 20 can carry out the antiskid through the slipmat of backing plate 27 one side and fix the work piece, and the slipmat also can carry out antifriction protection to the work piece simultaneously.
Referring to fig. 1, a second anti-slip pad 29 for anti-slip is laid on the other side of the support base 22.
The scheme is adopted: the second anti-slip pad 29 can support the bottom of the workpiece in an anti-slip manner, so that the workpiece is prevented from being deviated due to sliding.
The working principle of the utility model is as follows:
Firstly, when the supporting seat 22 is needed to be used, the connecting groove 23 at the top of the supporting seat 22 is inserted into the two connecting blocks 21 at the bottom of the driving frame 14, then the supporting seat 22 slides at the bottom of the connecting blocks 21, then a workpiece is placed on the second anti-slip pad 29 at the top of the supporting seat 22, then the second motor 17 is started to drive the second screw 16 to rotate, at the moment, the second screw 16 drives the two driving blocks 18 to approach each other in the driving groove 15, at the moment, the two driving blocks 18 approach each other through the clamping blocks 20 at one end of the driving rod 19, at the moment, the driving rod 19 slides outside the limiting rod 25, at the moment, the two clamping blocks 20 clamp and fix the workpiece, at the same time, the anti-slip pad at one side of the clamping block 20 drives the backing plate 27 is tightly attached to the workpiece, then the first motor 13 is started to drive the first screw 12 to rotate, at the moment, the first screw 12 drives the driving frame 14 to move upwards in the movable groove 11, at the same time, the driving frame 14 slides upwards outside the guide rod 24, at the moment, and the spring 26 supports the driving frame 14 upwards.
What is not described in detail in this specification is prior art known to those skilled in the art.
Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.
Claims (7)
1. The utility model provides a vibration test anchor clamps, includes base (1), locates support frame (2) that base (1) one side was used for supporting and is used for carrying out fixed clamping part to the work piece, its characterized in that: the clamping component comprises a movable groove (11) formed in one side of the supporting frame (2), a first screw rod (12) penetrating through the movable groove (11) and used for driving, a first motor (13) arranged at the top of the first screw rod (12) and used for driving, a driving frame (14) arranged on the inner side of the movable groove (11) and positioned on the outer side of the first screw rod (12), a driving groove (15) formed in one side of the driving frame (14) and used for providing a movable space, a second screw rod (16) penetrating through the driving frame (14) and used for driving, a second motor (17) arranged at one end of the second screw rod (16) and used for providing power, two driving blocks (18) arranged on the inner side of the driving groove (15) and positioned on the outer side of the second screw rod (16), a driving rod (19) arranged on one side of the driving block (18) and a clamping block (20) arranged on one end of the driving rod (19) and used for fixing a workpiece;
The novel movable support is characterized in that the driving frame (14) is slidably connected with the movable groove (11), the first screw (12) penetrates through the driving frame (14) and is in threaded connection with the driving frame, the second screw (16) penetrates through the driving frame (14) and is in rotational connection with the driving frame, the second screw (16) penetrates through the driving block (18) and is in threaded connection with the driving block, the driving block (18) is hinged with the driving rod (19), the driving rods (19) are hinged, the driving rods (19) are fixedly connected with the clamping blocks (20), the cross section of the clamping blocks (20) is arc-shaped, and the cross sections of the driving frame (14) and the driving block (18) are in convex shapes.
2. A vibration testing jig according to claim 1, wherein: the novel connecting device is characterized in that two connecting blocks (21) are fixedly connected to the bottom of the driving frame (14), a supporting seat (22) used for supporting is slidably connected to the bottom of the driving frame (14), two connecting grooves (23) are formed in the top of the supporting seat (22), the connecting blocks (21) are movably connected with the connecting grooves (23), and the cross sections of the connecting blocks (21) and the connecting grooves (23) are L-shaped.
3. A vibration testing jig according to claim 1, wherein: two guide rods (24) used for limiting are arranged on the inner side of the movable groove (11), and the guide rods (24) penetrate through the driving frame (14) and are connected with the driving frame in a sliding mode.
4. A vibration testing jig according to claim 1, wherein: one side of the driving rod (19) is provided with a limiting rod (25) for limiting, the limiting rod (25) penetrates through the other driving rod (19) and is in sliding connection with the other driving rod, and the section of the limiting rod (25) is arc-shaped.
5. A vibration testing jig according to claim 3, wherein: the outside of the guide rod (24) is sleeved with a spring (26) for supporting, and two ends of the spring (26) are fixedly connected with the support frame (2) and the driving frame (14) respectively.
6. A vibration testing jig according to claim 1, wherein: one side of the clamping block (20) is provided with a base plate (27) for fixing, and one side of the base plate (27) is provided with a first anti-slip pad (28) for preventing slipping.
7. A vibration testing jig according to claim 2, wherein: a second anti-slip pad (29) for anti-slip is paved on the other side of the supporting seat (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420259702.0U CN221685842U (en) | 2024-02-02 | 2024-02-02 | Vibration test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420259702.0U CN221685842U (en) | 2024-02-02 | 2024-02-02 | Vibration test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221685842U true CN221685842U (en) | 2024-09-10 |
Family
ID=92619201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420259702.0U Active CN221685842U (en) | 2024-02-02 | 2024-02-02 | Vibration test fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221685842U (en) |
-
2024
- 2024-02-02 CN CN202420259702.0U patent/CN221685842U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: Room 022, 1st Floor, Building 1, No. 8 Ziyuan Road, Yancun Town, Fangshan District, Beijing 102425 Patentee after: Beijing Aerospace Zhixin Testing Technology Co.,Ltd. Country or region after: China Address before: Room 022, 1st Floor, Building 1, No. 8 Ziyuan Road, Yancun Town, Fangshan District, Beijing 102425 Patentee before: Beijing Aerospace Zhixin Testing Technology Co.,Ltd. Country or region before: China |
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| CP03 | Change of name, title or address |