Durability testing machine for buffer

Abstract

The utility model discloses a buffer durability testing machine, which comprises a main body frame, a turnover frame, a first driving unit and a second driving unit, a horizontal rotating shaft is arranged above the main body frame, the turnover frame is rotatably arranged on the main body frame through the horizontal rotating shaft, and the first driving unit is arranged on the turnover frame. A first mounting position and a second mounting position are arranged above the overturning rack in a spaced mode, the first driving unit is connected with the overturning rack and used for driving the overturning rack to rotate around the horizontal rotating shaft, and the second driving unit is horizontally mounted on the first mounting position and used for driving the overturning rack to rotate around the horizontal rotating shaft. And the compressor is used for performing reciprocating compression on the to-be-tested buffer mounted on the second mounting position. The buffer durability testing machine is simple and reasonable in structure, and can realize durability testing of buffers with different installation angles.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of buffer tester, and particularly provide a kind of buffer durability testing machine. BACKGROUND

[0002] In order to ensure that buffer has enough stability and reliability under specified use conditions, durability test needs to be carried out on buffer. For buffer, different installation angles will affect its durability, therefore, durability test needs to be carried out on buffer under different installation angles, and through simulating its use condition, service life and durability of buffer are evaluated.

[0003] Therefore, it becomes an urgent problem to provide a buffer durability testing machine with reasonable structure, which is convenient for adjusting installation angle of buffer and can simulate use condition of buffer. UTILITY MODEL CONTENT

[0004] In view of this, the utility model aims at providing a kind of buffer durability testing machine, so as to adjust installation angle of buffer and carry out cyclic compression on buffer to simulate use condition of buffer.

[0005] The utility model provides technical scheme: a kind of buffer durability testing machine, comprising: main body rack, turnover rack, first drive unit and second drive unit, wherein, the upper portion of the main body rack is installed a horizontal pivot, the turnover rack is rotationally installed on the main body rack by the horizontal pivot, the upper portion of the turnover rack is intervally provided with first installation site and second installation site, the first drive unit is connected with the turnover rack, for driving the turnover rack rotates around the horizontal pivot, the second drive unit is horizontally installed on the first installation site, for reciprocating compression to the buffer to be tested installed on the second installation site.

[0006] Preferably, the first drive unit is drive electric cylinder, and the two ends of the drive electric cylinder are rotationally connected with the main body rack and the turnover rack respectively.

[0007] Further preferably, the second drive unit is air cylinder, and the telescopic end of the air cylinder is oppositely arranged with the telescopic end of the buffer to be tested.

[0008] Further preferably, the buffer durability testing machine further comprises a counterweight unit, and the counterweight unit, the second installation site and the first installation site are intervally arranged along the length direction of the turnover rack, when the turnover rack is turned to vertical state, the counterweight unit is located below the second installation site and the first installation site.

[0009] Further preferably, the bumper durability testing machine further comprises a control box connected with the first driving unit and the second driving unit, for controlling the working state of the first driving unit and the second driving unit.

[0010] Further preferably, the bumper durability testing machine further comprises a compression frequency detection unit connected with the control box, for detecting the compression frequency of the bumper to be tested.

[0011] Further preferably, the bumper durability testing machine further comprises a display connected with the control box, for displaying the compression frequency of the bumper to be tested.

[0012] Further preferably, the bumper durability testing machine further comprises an input unit connected with the control box, for inputting a preset compression frequency or compression time.

[0013] The bumper durability testing machine provided by the utility model has simple and reasonable structure, the angle of the bumper to be tested can be adjusted through the first driving unit, and the installation angle of the bumper in actual working condition is simulated, and the bumper to be tested can be reciprocatingly compressed through the second driving unit, so that durability test is carried out. BRIEF DESCRIPTION OF DRAWINGS

[0014] The utility model will be explained further in detail in combination with the drawings and embodiments:

[0015] Figure 1 The utility model provides a bumper durability testing machine's structural diagram. DETAILED DESCRIPTION

[0016] The utility model will be explained further in detail in combination with the drawings and embodiments:

[0017] As Figure 1 The utility model provides a kind of bumper durability testing machine, including: main body frame 1, overturn frame 2, first driving unit 3 and second driving unit 4, wherein, the upper portion of the main body frame 1 is installed a horizontal pivot 11, the overturn frame 2 is rotationally installed on the main body frame 1 by the horizontal pivot 11, the upper portion of the overturn frame 2 is spaced apart and is provided with first installation site 21 and second installation site 22, the first driving unit 3 is connected with the overturn frame 2, for driving the overturn frame 2 rotates around the horizontal pivot 11, the second driving unit 4 is horizontally installed on the first installation site 21, for reciprocating compression to the bumper to be tested 10 installed on the second installation site 22.

[0018] The method for testing by using the buffer durability testing machine is as follows: in the initial state, the turnover frame is in the horizontal state and is stably arranged on the main frame; when the test is to be performed, the buffer to be tested is first arranged on the second mounting position; then, the angle of the turnover frame is adjusted to the angle to be tested (usually two angles corresponding to the horizontal state and the vertical state) by the first driving unit; after the adjustment is completed, the reciprocating compression of the buffer to be tested is performed according to the test requirement by the second driving unit, and the durability test is performed.

[0019] As an improvement of the technical scheme, as shown in Figure 1 The first driving unit 3 is a driving electric cylinder, and the two ends of the driving electric cylinder are rotationally connected with the main frame 1 and the turnover frame 2 respectively.

[0020] As an improvement of the technical scheme, as shown in Figure 1 The second driving unit 4 is a cylinder, and the telescopic end of the cylinder is arranged opposite to the telescopic end of the buffer to be tested 10.

[0021] As an improvement of the technical scheme, as shown in Figure 1 The buffer durability testing machine further comprises a counterweight unit 5, the counterweight unit 5, the second mounting position 22 and the first mounting position 21 are arranged along the length direction of the turnover frame 2, and when the turnover frame 2 is turned to the vertical state, the counterweight unit 5 is located below the second mounting position 22 and the first mounting position 21.

[0022] As an improvement of the technical scheme, as shown in Figure 1 The buffer durability testing machine further comprises a control box 6, the control box 6 is connected with the first driving unit 3 and the second driving unit 4, and is used for controlling the working state of the first driving unit 3 and the second driving unit 4.

[0023] As an improvement of the technical scheme, the buffer durability testing machine further comprises a compression frequency detection unit (not shown in the figure) connected with the control box 6, which is used for detecting the compression frequency of the buffer to be tested 10, wherein the compression frequency detection unit adopts an existing detection unit, as long as the compression frequency can be detected, and is not limited to a mechanical type, a photoelectric type or a magnetic induction type sensor.

[0024] As an improvement of the technical scheme, the buffer durability testing machine further comprises a display (not shown in the figure) connected with the control box 6, which is used for displaying the compression frequency of the buffer to be tested 10.

[0025] As an improvement of the technical scheme, the buffer durability testing machine further comprises an input unit (not shown in the figure) connected with the control box 6, which is used for inputting the preset compression frequency or compression time.

[0026] The specific embodiments of the present application are written in a progressive manner, and the differences between the various embodiments are emphasized, and the similar parts can be referred to each other.

[0027] The embodiments of the present application are described in detail above in combination with the drawings, but the present application is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the purpose of the present application.

Claims

1. A buffer durability testing machine, characterized in that, The utility model relates to a buffer testing device, including: Main frame (1), turnover frame (2), first drive unit (3) and second drive unit (4), wherein the upper portion of main frame (1) is installed a horizontal pivot (11), turnover frame (2) is rotatably installed on main frame (1) through horizontal pivot (11), the upper portion of turnover frame (2) is spaced apart and is provided with first mounting site (21) and second mounting site (22), first drive unit (3) is connected with turnover frame (2), is used for driving turnover frame (2) rotates around horizontal pivot (11), second drive unit (4) is horizontally installed on first mounting site (21), is used for reciprocating compression to the buffer (10) to be tested installed on second mounting site (22).

2. The bumper durability tester according to claim 1, characterized by: The first drive unit (3) is a drive cylinder, and the two ends of the drive cylinder are rotatably connected with the main frame (1) and the turnover frame (2), respectively.

3. The bumper durability tester of claim 1, wherein: The second drive unit (4) is a gas cylinder, and the telescopic end of the gas cylinder is oppositely arranged with the telescopic end of the buffer (10) to be tested.

4. The bumper durability tester of claim 1, wherein: Further comprising a counterweight unit (5), the counterweight unit (5), the second mounting site (22), the first mounting site (21) are spaced apart along the length direction of the turnover frame (2), when the turnover frame (2) is turned to the vertical state, the counterweight unit (5) is located below the second mounting site (22) and the first mounting site (21).

5. The bumper durability tester of claim 1, wherein: Further comprising a control box (6), the control box (6) is connected with the first drive unit (3) and the second drive unit (4), for controlling the working state of the first drive unit (3) and the second drive unit (4).

6. The bumper durability tester of claim 5, wherein: Further comprising a compression frequency detection unit connected with the control box (6), for detecting the number of times of compression of the buffer (10) to be tested.

7. The bumper durability tester of claim 6, wherein: Further comprising a display connected with the control box (6), for displaying the number of times of compression of the buffer (10) to be tested.

8. The bumper durability tester of claim 5, wherein: Further comprising an input unit connected with the control box (6), for inputting a preset compression frequency or compression time.

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