Vibration test tool for quick-release expansion device

Abstract

The utility model discloses a vibration test tool for a quick-release expansion device, a first connecting hole and a second connecting hole are arranged to be consistent with the actual installation environment of the quick-release expansion device to be tested, and a supporting arm is connected with a counterweight beam through the quick-release expansion device to be tested; the counterweight beam simulates the mass and gravity center of an actual connection structure, and ensures that the actual use condition of a product can be accurately simulated in the test process. The mass center of the whole tool passes through the vibration test bed, it is guaranteed that the vibration test bed can accurately output loads, the vibration output loads of the vibration test bed are transmitted to the balance weight beam through the connecting bottom plate and the supporting arms, the vibration environment of the balance weight beam is matched with the actual vibration environment, and at the moment, the loads borne by the quick-release expansion device to be tested are actual simulation loads. And finally, the environmental adaptability test in the aspects of vibration and impact of the product is completed, and if the quick-release expansion device to be tested is not obviously loosened in the test process, the product is high in reliability and high in anti-loosening capability.

Description

TECHNICAL FIELD

[0001] The utility model relates to fastener test field, concretely relates to a quick-release expansion device vibration test frock. BACKGROUND

[0002] Quick-release expansion device class products are usually custom products, and the environment requirements of the applied occasions and positions are different, customers pay special attention to the reliability of products under the environment of vibration, impact and the like, in order to ensure the accuracy and efficiency of test, specific frock needs to be designed, the installation position, barycenter, force arm, connection mode and the like are guaranteed to be consistent with the actual environment, and reliable connection of frock and test bed also needs to be considered.

[0003] Under the increasingly competitive environment, the timeliness, practicality and economy of product development are proposed higher and higher requirements. Environmental adaptability is the ability that products can realize all predetermined functions and performance without being destroyed under the action of various environments that products are expected to encounter during their life cycle, and it is an important quality characteristic of products. The response characteristic and anti-loosening ability of quick-release expansion device class products under the vibration environment are important indexes of design, therefore, the reasonable design of vibration frock has important significance to the accuracy of product test, shortening of research and development period and reduction of research and development cost. CONTENT OF THE UTILITY MODEL

[0004] In order to overcome the deficiencies of the prior art, the utility model provides a quick-release expansion device vibration test frock, which can solve the reliability test problem of testing quick-release expansion device.

[0005] The utility model solves the technical scheme that the utility model adopts: provide a quick-release expansion device vibration test frock, including vibration test bed, vibration test bed is used to provide vibration;

[0006] Connecting bottom plate, the connecting bottom plate includes first connecting portion and second connecting portion, the first connecting portion is connected with the vibration test bed through the connecting piece;

[0007] Supporting arm, the supporting arm is connected with the second connecting portion through the connecting piece;

[0008] Counterweight beam, the counterweight beam is provided with the first connecting hole, the supporting arm is provided with the second connecting hole, and the quick-release expansion device to be tested is connected with the counterweight beam and the supporting arm through the first connecting hole and the second connecting hole, and the counterweight beam and the connecting bottom plate are arranged with clearance.

[0009] As a further improvement of the above technical scheme, the supporting arm is provided with two oppositely arranged supporting ears, and the second connecting hole is arranged on each of the two supporting ears;The counterweight beam is of U-shaped structure, comprising two supporting arms connected to the two sides of the bottom, and the first connecting hole is arranged on each of the two supporting arms.

[0010] As a further improvement of the above technical solution, each of the lug is provided with two second connecting holes arranged in a vertical direction, and each of the support arm is provided with two first connecting holes arranged in a vertical direction.

[0011] As a further improvement of the above technical solution, each of the lug is provided with a connecting slot, and an end of the support arm away from the bottom is located in the connecting slot, and the first connecting hole is arranged on the end of the support arm located in the connecting slot; and the second connecting hole is arranged in the side wall of the connecting slot.

[0012] As a further improvement of the above technical solution, the support arm is further provided with a mounting portion, the mounting portion is provided with a first through hole, the second connecting portion is provided with a second through hole, and the first through hole and the second through hole are connected through a connecting piece.

[0013] As a further improvement of the above technical solution, the second through hole is a counterbore hole, and an end with a larger cross-sectional area of the second through hole is located on a side of the second connecting portion facing the vibration test bench.

[0014] As a further improvement of the above technical solution, the second through hole is arranged in two rows, and the arrangement direction of the two rows of second through holes is perpendicular to the arrangement direction of the two lugs.

[0015] As a further improvement of the above technical solution, the first connecting portion is provided with a third through hole, and the third through hole is connected with the vibration test bench through a connecting piece.

[0016] As a further improvement of the above technical solution, the vibration test bench includes a horizontal vibration test bench or a vertical vibration test bench.

[0017] As a further improvement of the above technical solution, the connecting piece includes a bolt.

[0018] The beneficial effects of the utility model are: the first connecting hole and the second connecting hole are arranged to be consistent with the actual installation environment of the to-be-tested quick-release expansion device, the support arm and the counterweight beam are connected through the to-be-tested quick-release expansion device; the counterweight beam simulates the mass and gravity center of the actual connection structure, ensures that the actual use working condition of the product can be accurately simulated during the test process; the mass center of the whole tooling passes through the vibration test bench, ensures that the vibration test bench can accurately output the load, the vibration output load of the vibration test bench is transmitted to the counterweight beam through the connecting bottom plate and the support arm, the vibration environment of the counterweight beam is fitted with the actual vibration environment, at this time, the load borne by the to-be-tested quick-release expansion device is the actual simulated load, and finally the environmental adaptability test of the product in the aspects of vibration and impact is completed, if the to-be-tested quick-release expansion device is not obviously loose during the test process, it indicates that the product has strong reliability and strong anti-loosening capability. BRIEF DESCRIPTION OF DRAWINGS

[0019] The utility model is further illustrated below in combination with the drawings and embodiments.

[0020] Figure 1 It is the structure schematic diagram of quick detach inflation device vibration test tool provided by preferred embodiment of the utility model;

[0021] Figure 2 It is the exploded view of quick detach inflation device vibration test tool provided by preferred embodiment of the utility model;

[0022] Figure 3 It is the plan view of quick detach inflation device vibration test tool provided by preferred embodiment of the utility model;

[0023] Figure 4 It is the section view of quick detach inflation device vibration test tool provided by preferred embodiment of the utility model.

[0024] Reference signs: 1, connecting bottom plate, 2, support arm, 3, counterweight beam, 4, quick detach inflation device to be tested, 5, vibration test bench;

[0025] 11, first connecting portion, 12, second connecting portion, 21, second connecting hole, 22, support lug, 23, mounting portion, 31, first connecting hole, 32, support arm, 33, bottom portion;

[0026] 111, third through hole, 121, second through hole, 221, connecting groove, 231, first through hole. DETAILED DESCRIPTION

[0027] The concept, specific structure and generated technical effects of the utility model will be described clearly and completely below in combination with embodiments and drawings, so as to fully understand the purpose, features and effects of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments, and other embodiments obtained by the person skilled in the art without creative labor based on the embodiments of the utility model all belong to the protection scope of the utility model. In addition, all the coupling / connection relations involved in the patent do not mean that the components directly connect, but means that a better coupling structure can be composed by adding or reducing coupling auxiliary components according to the specific implementation situation, such as fixed connection / fixed installation, which can be selected according to the needs, such as screw connection, bolt connection, pin connection, key connection, bonding, mortise and tenon connection, welding, riveting and the like, such as detachable connection, which can be selected according to the needs, such as screw connection, bolt connection, threaded connection, buckle connection, mortise and tenon connection, magic tape connection and the like. The various technical features in the utility model creation can be interactively combined on the premise of not mutually contradictory and conflicting.

[0028] Please see Figures 1-2The utility model discloses a quick detachable expansion device vibration test tool, including vibration test table 5, connecting bottom plate 1, support arm 2 and counterweight beam 3, vibration test table 5 is used to provide vibration to simulate the actual use condition of quick detachable expansion device 4 to be tested, connecting bottom plate 1 is connected between vibration test table 5 and support arm 2 to transmit vibration to support arm 2, support arm 2 is connected with counterweight beam 3 through quick detachable expansion device 4 to be tested to simulate actual installation environment.

[0029] Specifically, the connecting bottom plate 1 includes a first connecting portion 11 and a second connecting portion 12, the first connecting portion 11 is connected with the vibration test table 5 through a connecting member (not shown in the figure), the support arm 2 is connected with the second connecting portion 12 through a connecting member, the counterweight beam 3 is provided with a first connecting hole 31, the support arm 2 is provided with a second connecting hole 21, the quick detachable expansion device 4 to be tested is connected with the counterweight beam 3 and the support arm 2 through the first connecting hole 31 and the second connecting hole 21, and the counterweight beam 3 is gap-set with the connecting bottom plate 1. The first connecting hole 31 and the second connecting hole 21 are set to be consistent with the actual installation environment of the quick detachable expansion device 4 to be tested, the support arm 2 and the counterweight beam 3 are connected through the quick detachable expansion device 4 to be tested; the counterweight beam 3 simulates the mass and the gravity center of the actual connecting structure, so that the actual use condition of the product can be accurately simulated during the test process; the mass center of the whole tool passes through the vibration test table 5, so that the vibration test table 5 can accurately output the load, the vibration output load of the vibration test table 5 is transmitted to the counterweight beam 3 through the connecting bottom plate 1 and the support arm 2, the vibration environment of the counterweight beam 3 is fitted with the actual vibration environment, at this time, the load borne by the quick detachable expansion device 4 to be tested is the actual simulated load, finally, the environmental adaptability test of the product in the aspects of vibration and impact is completed, if the quick detachable expansion device 4 to be tested is not obviously loose during the test process, it indicates that the product has strong reliability and strong anti-loosening ability.

[0030] More specifically, the support arm 2 is provided with two oppositely arranged lugs 22, and the two lugs 22 are each provided with a second connecting hole 21; the counterweight beam 3 has a U-shaped structure, which includes a bottom portion 33 and two support arms 32 connected to the two sides of the bottom portion 33, and the two support arms 32 are each provided with a first connecting hole 31; the opening design of the U-shaped counterweight beam 3 and the arrangement of the lugs 22 can facilitate the connection of the quick detachable expansion device 4 to be tested with the support arm 2 and the counterweight beam 3, and facilitate the subsequent vibration test.

[0031] In the embodiment, each lug 22 is provided with two second connecting holes 21 arranged in the vertical direction, and each support arm 32 is provided with two first connecting holes 31 arranged in the vertical direction, and the number of first connecting holes 31 corresponds to the number of second connecting holes 21 one by one, and the test tool provided in the embodiment can be used to detect the reliability of four quick detachable expansion devices 4 to be tested at the same time, thereby improving the detection efficiency.

[0032] Both of the two lugs 22 are provided with a connecting groove 221, the end of the support arm 32 away from the bottom 33 is located in the connecting groove 221, and the first connecting hole 31 is arranged on the end of the support arm 32 located in the connecting groove 221; the second connecting hole 21 is arranged in the side wall of the connecting groove 221, the connecting groove 221 can limit the end of the support arm 32, and further facilitate the connection between the to-be-tested quick-release expansion device 4 and the support arm 32 and the lug 22.

[0033] The support arm 2 is further provided with a mounting portion 23, the mounting portion 23 is provided with a first through hole 231, the second connecting portion 12 is provided with a second through hole 121, the first through hole 231 and the second through hole 121 are connected through a connecting piece, and the mounting portion 23 is arranged to facilitate mounting the entire support arm 2 on the second connecting portion 12, and the mounting portion 23 is fixedly connected between the first through hole 231 and the second through hole 121 through the connecting piece to achieve the fixation of the mounting portion 23 and the second connecting portion 12.

[0034] Please refer to Figure 4 In the embodiment, the second through hole 121 is a counterbore hole, the end with a larger cross-sectional area is located on the side of the second connecting portion 12 facing the vibration test bench 5, so that the connecting piece can be hidden in the second through hole 121, preventing the connecting piece from rubbing and wearing against the vibration test bench 5. Moreover, the second through hole 121 is arranged in two rows, and the arrangement direction of the two rows of second through holes 121 is perpendicular to the arrangement direction of the two lugs 22, and the second through hole 121 is arranged in a long strip shape as a whole, which can increase the fixing area of the mounting portion 23 and the vibration test bench 5, improve the connection firmness of the two, and prevent the connection from loosening during the vibration of the mounting portion 23 and the vibration test bench 5.

[0035] Please refer to Figure 3 The first connecting portion 11 is provided with a third through hole 111, and the third through hole 111 is connected with the vibration test bench 5 through a connecting piece. In the embodiment, the third through hole 111 is arranged in multiple, and the multiple third through holes 111 are arranged on the first connecting portion 11 in a radial manner. Each third through hole 111 is connected with the vibration test bench 5 through a connecting piece, which improves the connection firmness of the first connecting portion 11 and the vibration test bench 5.

[0036] The vibration test bench 5 includes a horizontal vibration test bench or a vertical vibration test bench. The horizontal vibration test bench can provide horizontal vibration to simulate the reliability of the to-be-tested quick-release expansion device 4 in horizontal vibration. The vertical vibration test bench can provide vertical vibration to simulate the reliability of the to-be-tested quick-release expansion device 4 in vertical vibration.

[0037] In the embodiment, the connecting piece includes a bolt, which can provide high-strength mechanical connection and is suitable for occasions that bear large loads. The bolt connection has high reliability and can bear vibration, impact and dynamic load.

[0038] The above is a specific description of the preferred embodiment of the present application, but the present application is not limited to the described embodiment, and those skilled in the art can make various equivalent modifications or replacements without departing from the spirit of the present application, and these equivalent modifications or replacements are all included in the scope defined by the claims of the present application.

Claims

1. A quick-release inflation device vibration test fixture, characterized by, The utility model relates to a vibration test bench for testing quick-release expansion device, comprising: a vibration test bench for providing vibration; a connecting base plate comprising a first connecting part and a second connecting part, the first connecting part being connected with the vibration test bench through a connecting member; a support arm connected with the second connecting part through a connecting member; a counterweight beam provided with a first connecting hole, the support arm being provided with a second connecting hole, the quick-release expansion device to be tested being connected with the counterweight beam and the support arm through the first connecting hole and the second connecting hole, and the counterweight beam being arranged in a gap with the connecting base plate.

2. The vibration test tooling for quick release inflation device of claim 1, wherein: The support arm is provided with two oppositely arranged supporting ears, each of the supporting ears being provided with the second connecting hole; the counterweight beam is in a U-shaped structure, comprising a bottom and two supporting arms connected to the two sides of the bottom, each of the supporting arms being provided with the first connecting hole.

3. The vibration test tooling for quick release inflation devices of claim 2, wherein: Each of the supporting ears is provided with two second connecting holes arranged in a vertical direction, and each of the supporting arms is provided with two first connecting holes arranged in a vertical direction.

4. The vibration test tooling for quick release inflation devices of claim 2, wherein: Each of the supporting ears is provided with a connecting groove, and an end of the supporting arm away from the bottom is located in the connecting groove, the first connecting hole being arranged on the end of the supporting arm located in the connecting groove; the second connecting hole is arranged in the side wall of the connecting groove.

5. The vibration test fixture for quick release inflation device of claim 2, wherein: The support arm is further provided with a mounting part, the mounting part being provided with a first through hole, the second connecting part being provided with a second through hole, the first through hole being connected with the second through hole through a connecting member.

6. The quick-release inflation device vibration test fixture of claim 5, wherein: The second through hole is a counterbore hole, and the end with a larger cross-sectional area is located on the side of the second connecting part facing the vibration test bench.

7. The quick-release inflation device vibration test fixture of claim 5, wherein: The second through hole is arranged in two rows, and the arrangement direction of the two rows of second through holes is perpendicular to the arrangement direction of the two supporting ears.

8. The vibration test fixture for quick release inflation device of claim 1, wherein: The first connecting part is provided with a third through hole, and the third through hole is connected with the vibration test bench through a connecting member.

9. The vibration test fixture for quick release inflation device of claim 1, wherein: The vibration test bench comprises a horizontal vibration test bench or a vertical vibration test bench.

10. The vibration test fixture of any one of claims 1-9, wherein: The connecting member comprises a bolt.

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