Impact response spectrum test switching device

Abstract

The utility model discloses an impact response spectrum test switching device which comprises a tool switching plate and a sample mounting table, the tool switching plate comprises a switching transverse plate and a switching vertical plate, and the sample mounting table is movably mounted on the switching transverse plate or the switching vertical plate; a plurality of first counterbores are uniformly formed in the transfer transverse plate, the transfer transverse plate is connected with an external impact table top through the first counterbores, and the transfer vertical plate is vertically mounted on the upper surface of the transfer transverse plate. According to the utility model, the device is mounted on a working table of a horizontal impact response spectrum testing machine through the transfer transverse plate and is fixedly placed on a sample mounting table, and meanwhile, the sample mounting table can be respectively and movably mounted on the transfer transverse plate or the transfer vertical plate according to the impact direction, so that tests in the horizontal direction or the vertical direction can be respectively carried out; the tool does not need to be replaced, and the test efficiency of the impulse response spectrum test is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to reliability test technical field, concretely relates to a shock response spectrum test switching device. BACKGROUND

[0002] There are various impacts in the production, transportation and other processes of products in aviation, aerospace, electronics and other industries, which have a great negative impact on the quality and reliability of the products. In order to solve this problem, impact test is generated and developed on this basis. After more than a hundred years of development, impact test technology has been quite mature, and it also plays an irreplaceable role in national defense, livelihood and other industries. Mechanical test has become an important means of reliability verification of aerospace, aviation, ship and ground military and civilian equipment, mainly used to verify the adaptability of the whole machine and parts under the expected or specified impact conditions, and to examine whether the equipment can work normally and meet the use requirements under the mechanical conditions.

[0003] The shock response spectrum test bench designs a flexible connecting device between the cylinder and the workbench surface, which is composed of a connecting plate and a direction changing adapter, used to reduce the impact force of the test bench acting on the cylinder during impact. The test piece is installed on the workbench, which is guided by two sliding rails installed on the base and can move left and right. The cylinder is installed on the connecting bracket, when the cylinder is inflated, the piston rod extends and drives the workbench to move left and right through the flexible connecting device. When impacting, the cylinder is inflated, the workbench is locked, when the set inflation time is reached, the pneumatic locking device is unlocked, the workbench is quickly impacted, and the workbench impact surface hits the wave generator, completing a impact process. From the above impact process, it can be seen that adjusting the impact distance and impact air pressure of the workbench can get different impact initial speeds, and thus different impact overload values; and changing the stiffness of the wave generator can get different pulse width values, and the two can be coordinated to get various impact test waveforms that meet the design index requirements.

[0004] However, the existing shock response spectrum test can only impact in one direction, and when other direction impact is needed, the sample tooling installed on the horizontal mounting surface needs to be replaced, so that the tooling needs to be frequently replaced in the shock response spectrum test, greatly affecting the test efficiency of the shock response spectrum test. UTILITY MODEL CONTENTS

[0005] In view of the above problems in the prior art, the utility model provides a shock response spectrum test switching device, which solves the problem of frequent replacement of tooling in the existing shock response spectrum test, affecting the test efficiency.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] The impact response spectrum test switching device comprises a tool switching plate and a sample mounting table, the tool switching plate comprises a switching horizontal plate and a switching vertical plate, and the sample mounting table is movably mounted on the switching horizontal plate or the switching vertical plate.

[0008] The sample mounting table can be movably mounted on the switching horizontal plate or the switching vertical plate according to the impact direction, and then the sample is placed on the sample mounting table, so that the test in the horizontal direction or the vertical direction can be performed respectively, without the need of replacing the tool, and the test efficiency of the impact response spectrum test is greatly improved.

[0009] Further, a plurality of first countersunk holes are uniformly formed in the switching horizontal plate, and the switching horizontal plate is connected with an external impact table surface through the first countersunk holes.

[0010] Further, the switching vertical plate is vertically mounted on the upper surface of the switching horizontal plate.

[0011] Further, a second countersunk hole is formed in the sample mounting table, a first threaded hole that is matched with the second countersunk hole is formed in the switching horizontal plate, and the sample mounting table and the switching horizontal plate are connected through a bolt that is inserted into the first threaded hole through the second countersunk hole.

[0012] Further, a second countersunk hole is formed in the sample mounting table, a second threaded hole that is matched with the second countersunk hole is formed in the switching vertical plate, and the sample mounting table and the switching vertical plate are connected through a bolt that is inserted into the second threaded hole through the second countersunk hole.

[0013] Further, first reinforcing plates that connect the switching vertical plate and the switching horizontal plate are arranged at both ends of one side of the switching vertical plate.

[0014] Further, second reinforcing plates that connect the switching vertical plate and the switching horizontal plate are arranged at both ends of the other side of the switching vertical plate.

[0015] The utility model discloses an impact response spectrum test switching device, which has the following beneficial effects:

[0016] The utility model discloses an impact response spectrum test switching device, which has the following beneficial effects: BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 It is a structure schematic diagram of the impact response spectrum test switching device.

[0018] Fig. 2The utility model discloses a kind of shock response spectrum test switching devices's overhead structure schematic diagram.

[0019] Fig. 3 The utility model discloses a kind of tool switching board's structure schematic diagram.

[0020] Wherein, 1, tool switching board;2, sample mounting table;3, switching horizontal plate;4, switching vertical plate;5, first countersunk hole;6, second countersunk hole;7, first threaded hole;8, second threaded hole;9, first reinforcing plate;10, second reinforcing plate. DETAILED DESCRIPTION

[0021] The specific embodiments of the utility model are described to facilitate the understanding of the utility model by the person skilled in the art, but it should be clear that the utility model is not limited to the scope of the specific embodiments, for the person skilled in the ordinary skill in the art, as long as various changes are within the spirit and scope of the utility model defined and determined by the attached claims, these changes are obvious, all the utility model creations using the concept of the utility model are within the scope of protection.

[0022] Example 1

[0023] The embodiment provides a kind of shock response spectrum test switching device, its purpose is to solve the problem that existing shock response spectrum test needs to frequently change tool, influence test efficiency, reference Figs. 1-3 , the specific structure in the embodiment will be described in detail below.

[0024] A kind of shock response spectrum test switching device, it includes tool switching board 1 and sample mounting table 2.

[0025] Wherein, tool switching board 1 includes switching horizontal plate 3 and switching vertical plate 4, sample mounting table 2 is movably installed on switching horizontal plate 3 or switching vertical plate 4.

[0026] Specifically, switching horizontal plate 3 is uniformly provided with a plurality of first countersunk hole 5, and switching horizontal plate 3 is connected with external impact table surface by first countersunk hole 5.Switching vertical plate 4 is vertically installed on the upper surface of switching horizontal plate 3.

[0027] In the embodiment, a plurality of first countersunk hole 5 are formed in switching horizontal plate 3, a bolt passes through first countersunk hole 5 and is inserted into the mounting threaded hole on the workbench surface of KRD15-100 horizontal shock response spectrum test machine, so as to fix and install switching horizontal plate 3 of the device on the workbench surface of horizontal shock response spectrum test machine.

[0028] The sample mounting table 2 can be movably mounted on the adapter horizontal plate 3 or the adapter vertical plate 4 by bolts, and the adapter vertical plate 4 is vertically mounted on the upper surface of the adapter horizontal plate 3. The sample to be tested can be fixed on the sample mounting table 2, so that the adapter horizontal plate 3 and the adapter vertical plate 4 can be used to adapt to the horizontal and vertical impact test of the sample to be tested, so that the horizontal or vertical test can be carried out respectively without changing the tooling, and the test efficiency of the impact response spectrum test is greatly improved.

[0029] Specifically, the second countersunk hole 6 is formed on the sample mounting table 2, and the first threaded hole 7 matched with the second countersunk hole 6 is formed on the adapter horizontal plate 3. The sample mounting table 2 and the adapter horizontal plate 3 are connected by inserting the bolt through the second countersunk hole 6 into the first threaded hole 7.

[0030] In the embodiment, the shape of the sample mounting table 2 can be circular, and a plurality of second countersunk holes 6 are uniformly formed on the circumference of the circular sample mounting table 2. The number of the second countersunk holes 6 can be set according to actual needs. The first threaded hole 7 matched with the number and position of the second countersunk holes 6 is formed on the adapter horizontal plate 3. Then, the sample mounting table 2 and the adapter horizontal plate 3 are connected by inserting the bolt through the second countersunk hole 6 into the first threaded hole 7, and the sample mounting table 2 is fixed on the adapter horizontal plate 3.

[0031] Specifically, the second countersunk hole 6 is formed on the sample mounting table 2, and the second threaded hole 8 matched with the second countersunk hole 6 is formed on the adapter vertical plate 4. The sample mounting table 2 and the adapter vertical plate 4 are connected by inserting the bolt through the second countersunk hole 6 into the second threaded hole 8.

[0032] In the embodiment, the shape of the sample mounting table 2 can be circular, and a plurality of second countersunk holes 6 are uniformly formed on the circumference of the circular sample mounting table 2. The number of the second countersunk holes 6 can be set according to actual needs. The second threaded hole 8 matched with the number and position of the second countersunk holes 6 is formed on the adapter vertical plate 4. Then, the sample mounting table 2 and the adapter vertical plate 4 are connected by inserting the bolt through the second countersunk hole 6 into the second threaded hole 8, and the sample mounting table 2 is fixed on the adapter vertical plate 4.

[0033] Specifically, the first reinforcing plate 9 connecting the adapter vertical plate 4 and the adapter horizontal plate 3 is arranged at the two ends of one side of the adapter vertical plate 4. The second reinforcing plate 10 connecting the adapter vertical plate 4 and the adapter horizontal plate 3 is arranged at the two ends of the other side of the adapter vertical plate 4.

[0034] In the embodiment, the first reinforcing plate 9 and the second reinforcing plate 10 are used to strengthen the strength of the connection between the adapter vertical plate 4 and the adapter horizontal plate 3. The first reinforcing plate 9 is arranged at the two ends of one side of the adapter vertical plate 4. The second reinforcing plate 10 is arranged at the two ends of the other side of the adapter vertical plate 4.

[0035] Optionally, the second reinforcing plate 10 is provided with a hollowed-out portion to reduce weight.

[0036] Although the specific embodiments of the utility model have been described in detail with reference to the accompanying drawings, it should not be understood as limiting the scope of protection of the patent. Various modifications and variations made by those skilled in the art within the scope described in the claims are still within the scope of protection of the patent.

Claims

1. A shock response spectrum test switching device, characterized by: Including tool adapter plate (1) and sample mounting platform (2);The tool adapter plate (1) includes adapter horizontal plate (3) and adapter vertical plate (4); The sample mounting platform (2) is movably installed on the adapter horizontal plate (3) or the adapter vertical plate (4);The adapter horizontal plate (3) is uniformly provided with a plurality of first countersunk holes (5) on the adapter horizontal plate (3), and the adapter horizontal plate (3) is connected with the external impact platform through the first countersunk holes (5);The adapter vertical plate (4) is vertically installed on the upper surface of the adapter horizontal plate (3).

2. The shock response spectrum test switcher of claim 1, wherein: The second countersunk hole (6) is formed in the sample mounting platform (2), the first threaded hole (7) is formed in the adapter horizontal plate (3) and is matched with the second countersunk hole (6), and the sample mounting platform (2) and the adapter horizontal plate (3) are connected by inserting the bolt through the second countersunk hole (6) into the first threaded hole (7).

3. The shock response spectrum test switcher of claim 1, wherein: The second countersunk hole (6) is formed in the sample mounting platform (2), the second threaded hole (8) is formed in the adapter vertical plate (4) and is matched with the second countersunk hole (6), and the sample mounting platform (2) and the adapter vertical plate (4) are connected by inserting the bolt through the second countersunk hole (6) into the second threaded hole (8).

4. The shock response spectrum test switcher of claim 1, wherein: The first reinforcing plate (9) for connecting the adapter vertical plate (4) and the adapter horizontal plate (3) is arranged at both ends of one side of the adapter vertical plate (4).

5. The shock response spectrum test switcher of claim 4, wherein: The second reinforcing plate (10) for connecting the adapter vertical plate (4) and the adapter horizontal plate (3) is arranged at both ends of the other side of the adapter vertical plate (4).

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