Square tube fatigue test tool

Abstract

The utility model relates to the technical field of tools, in particular to a square tube fatigue test tool which comprises a square tool, the square tool is connected to a square tube in a sliding mode, and the square tool and the square tube are connected through a pin shaft. When the square tube is subjected to fatigue test detection, the first connecting hole in the square tool is aligned with the second connecting hole in the square tube, then the pin shaft penetrates through the first connecting hole and the second connecting hole, connection between the square tool and the square tube can be achieved, the clamping end of the square tool is clamped through the clamp on the fatigue test detection, and the square tube is clamped through the pin shaft. According to the method, the operation is simple, the working efficiency is greatly improved, and the problems that the use is relatively tedious and the working efficiency is influenced during the installation and operation of the existing square tube fatigue test detection are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of tooling, and specifically relates to a square tube fatigue test tooling. Background Art

[0002] The introduction of square tubes is a kind of name for square pipe materials, that is, steel pipes with equal side lengths, which are formed by processing and rolling strip steel. Generally, the strip steel is unpacked, leveled, curled, and welded to form a round tube, and then the round tube is rolled into a square tube and cut into the required length. According to different working temperatures, loading conditions, and vibrations, the durability requirements for pipe fittings are also different, and the initial defects existing in the raw materials may cause cracking and failure during subsequent use. Therefore, it is necessary to conduct fatigue durability performance tests on pipe fitting materials to ensure product reliability.

[0003] However, the existing square tube fatigue tests are cumbersome to install and operate, which affects work efficiency and does not meet the existing requirements. Summary of the Invention

[0004] Aiming at the problems in the prior art, the utility model provides a square tube fatigue test tooling, which solves the problems that the existing square tube fatigue tests are cumbersome to install and operate and affect work efficiency.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions: A square tube fatigue test tooling includes a square tooling, the square tooling is slidably connected to the square tube, and the square tooling and the square tube are connected by a pin shaft.

[0006] Specifically, the square tooling includes a clamping end, a first connection hole, and a connection end, and the first connection hole penetrates through the connection end.

[0007] Specifically, the square tube includes a tube body and a second connection hole, and the second connection hole penetrates through the tube body.

[0008] Specifically, the material of the square tooling is CrMO and the hardness is HRC.

[0009] Specifically, the number of the square toolings is two, which are respectively slidably connected to both ends of the square tube.

[0010] Advantages of the Utility Model

[0011] By setting up a square tooling and a pin shaft, when conducting a fatigue test on a square tube, align the first connection hole on the square tooling with the second connection hole on the square tube, and then pass the pin shaft through the first connection hole and the second connection hole, the connection between the square tooling and the square tube can be achieved. Clamp the clamping end of the square tooling with the fixture on the fatigue test detector, and then the square tube can be detected. This method is simple to operate and greatly improves work efficiency. Brief Description of the Drawings

[0012] The present utility model will be further described below in conjunction with the drawings and embodiments.

[0013] Figure 1 It is a schematic diagram of the overall structure of the connection between the square tube and the square tooling of the present utility model;

[0014] Figure 2 It is a front sectional view of the connection between the square tube and the square tooling of the present utility model;

[0015] Figure 3 It is a schematic diagram of the overall structure of the square tube of the present utility model;

[0016] Figure 4 It is a front view of the square tooling of the present utility model;

[0017] Figure 5 It is a right view of the square tooling of the present utility model.

[0018] In the figure: 1. Square tooling, 101. Clamping end, 102. First connection hole, 103. Connection end; 2. Square tube, 201. Tube body, 202. Second connection hole; 3. Pin shaft. Detailed Embodiments

[0019] In order to make the technical methods, creative features, achieved purposes and effects of the present utility model easy to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0020] As Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 shown, a fatigue test tooling for a square tube includes a square tooling 1, the square tooling 1 is slidably connected to the square tube 2, the square tooling and the square tube are connected by a pin shaft 3. When testing the square tube 2, according to the different sizes of the square tube 2, different specifications of the square tooling 1 can be replaced at any time to meet the test requirements.

[0021] Furthermore, the square tooling 1 includes a clamping end 102, a first connection hole 102, and a connection end 10., the first connection hole 102 penetrates through the connection end 103, and the clamping end 102 is flat, which is convenient for clamping with a fixture when detecting the square tube 2.

[0022] Furthermore, the square pipe 2 includes a pipe body 201 and a second connection hole 201. The second connection hole 202 penetrates through the pipe body 201, and the number of the second connection holes 202 is two, which are respectively opened at the left and right ends of the square pipe 2.

[0023] Furthermore, the material of the square tooling 1 is CrMO and the hardness is HRC. The square tooling 1 has a relatively high hardness, ensuring that it will not break during the inspection of the square pipe 2.

[0024] Furthermore, the number of the square toolings 1 is two, which are respectively connected to both ends of the square pipe 2.

[0025] The working principle of the present utility model is as follows: During use, the staff inserts the connection ends 103 of the two square toolings 1 into the left and right ends of the square pipe 2 respectively, aligns the first connection hole on the square tooling 1 with the second connection hole on the square pipe 2, inserts the pin shaft 3 into the first connection 102 hole and the second connection hole 202, and then uses the clamps on the fatigue testing machine to clamp the clamping ends 101 at the upper ends of the square toolings 1 at both ends of the square pipe 2 respectively. After clamping, the fatigue testing machine can be started to conduct a fatigue test on the square pipe 2.

Claims

1. A square tube fatigue test tool, characterized in that: include: Square tooling (1), A square tube (2), wherein the square tube (2) is slidably connected to the square tooling (1), A pin shaft (3), wherein the pin shaft (3) passes through the square tooling (1) and the square tube (2).

2. A square tube fatigue test fixture according to claim 1, characterized in that: The square tool (1) comprises a clamping end (101), a first connecting hole (102), and a connecting end (103), wherein the first connecting hole (102) passes through the connecting end (103).

3. A square tube fatigue test fixture according to claim 1, characterized in that: The square tube (2) comprises a tube body (201) and a second connection hole (202), wherein the second connection hole (202) passes through the tube body (201).

4. A square tube fatigue test fixture according to claim 1, characterized in that: There are two square toolings (1), which are slidably connected to the two ends of the square tube (2) respectively.

Images