Crawler excavator anti-chain-off testing device

Abstract

The utility model discloses an anti-chain-off testing device for a crawler excavator, and relates to the technical field of excavator testing. A crawler excavator chain falling prevention testing device comprises a detection table, two sets of fixing blocks are symmetrically arranged on the detection table, the multiple fixing blocks in each set are distributed in a wavy mode, special-shaped blocks are arranged at the upper ends of the fixing blocks, the shapes of every two adjacent special-shaped blocks in each set are different, a moving cavity is formed in the detection table, and the moving cavity is communicated with the moving cavity. A movable cavity is formed in the detection table, movable plates are symmetrically connected in the movable cavity in a sliding mode, the fixed blocks are connected with the movable plates, a movable assembly used for moving the movable plates is arranged on the detection table, and a sliding groove matched with the fixed blocks to move is formed in the detection table. The two-way lead screw drives the moving plate to move to different positions to adapt to detection of excavators of different sizes, and detection is performed by using the staggered special-shaped blocks, so that the detection accuracy is effectively improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of excavator testing, in particular to a crawler excavator chain-off prevention testing device. Background Art

[0002] The falling off of crawler excavator tracks will make the excavator unable to move and work. There are various reasons for the falling off of excavator tracks, but the most common reason is that the tracks press against hard objects, resulting in uneven force, and track breakage. After the crawler excavator is produced and assembled, it is necessary to carry out anti-chain debonding detection to ensure its quality, so as to reduce the possibility of falling off when it is sold and used.

[0003] In the prior art, the application number is CN202020236662.X, and the name is a crawler excavator anti-chain debonding test device. A crawler excavator anti-chain debonding test device is disclosed, including a test base, side plates, vertical plates, transverse through grooves, longitudinal through grooves and a motor. The side plates are fixed to the front and rear surfaces of the test base by welding, and the transverse through grooves and longitudinal through grooves are both opened on the upper surface of the test base. Two slides and vertical plates are arranged in the test base. The vertical plate located at the lower side of the transverse through groove is fixed to the left side of the slide. A hydraulic push rod is fixed to the upper surface of the slide, and an externally threaded column is fixed to the upper surface of the hydraulic push rod. A special-shaped block is connected to the upper end of the externally threaded column, and the motor is fixed to the inner upper surface of the test base. A screw is fixed to the output shaft at one end of the motor. The screw passes through the slide and is connected to the right surface of the vertical plate for about.

[0004] The testing device uses the special-shaped block track breaking point to test, detects the track easy to break position, and improves the testing efficiency. However, the testing device only uses two special-shaped blocks for testing, the testing conditions are single, and the testing accuracy is low. In view of this, the utility model is specially proposed. Utility Model Content

[0005] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art and provide a crawler excavator anti-chain debonding testing device which can overcome the above problems or at least partially solve the above problems.

[0006] In order to solve the above technical problems, the basic concept of the technical solution adopted by the utility model is: a crawler excavator anti-chain debonding test device, including a testing platform, two groups of fixed blocks are symmetrically arranged on the testing platform, and each group of multiple fixed blocks are distributed in a wave shape, and the upper ends of the fixed blocks are provided with special-shaped blocks, and the shapes of two adjacent special-shaped blocks in each group are different. A moving cavity is provided in the testing platform, and a moving plate is symmetrically slidably connected in the moving cavity, the fixed blocks are connected to the moving plate, a moving component for moving the moving plate is provided on the testing platform, and a slide groove for cooperating with the movement of the fixed blocks is opened on the testing platform.

[0007] Furthermore, the moving assembly includes a motor, the motor is located on one side of the detection platform, the output end of the motor is fixedly connected to a bidirectional screw rod, the bidirectional screw rod is located in the moving cavity and is threadedly connected to the moving plate.

[0008] In order to facilitate changing the height of the special-shaped block, further, the lower end of the fixed block is fixedly connected with an electric hydraulic rod, and the electric hydraulic rod is fixedly connected to the movable plate.

[0009] In order to prevent the excavator from falling out of the detection platform from both sides of the detection area, baffles are further symmetrically fixedly connected to the detection platform.

[0010] In order to facilitate the excavator to enter the inspection platform for inspection more conveniently, further, the entry and exit ends of the inspection platform are arranged at an angle.

[0011] In order to facilitate the replacement of the special-shaped block, further, the special-shaped block is detachably connected to the fixed block via threads.

[0012] After adopting the above technical scheme, the utility model has the following beneficial effects compared with the prior art: compared with the existing crawler excavator testing equipment, the utility model adapts to the detection of excavators of different sizes by moving the movable plate to different positions through a bidirectional screw rod, and uses staggered special-shaped blocks for detection, which effectively improves the accuracy of detection.

[0013] The specific implementation of the utility model is further described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In the attached picture:

[0015] Figure 1 This is a front view structural schematic diagram of a crawler excavator anti-chain debonding testing device proposed by the utility model;

[0016] Figure 2 This is a structural schematic diagram of a detection platform, a bidirectional screw rod, a motor, and a moving block in a crawler excavator anti-chain debonding test device proposed by the utility model;

[0017] Figure 3 A schematic top view of a crawler excavator anti-chain-off testing device proposed by the utility model;

[0018] Figure 4 The utility model is a crawler excavator anti-chain debonding test device Figure 1 A magnified schematic diagram of center A.

[0019] In the figure: 1. testing table; 101. baffle; 2. fixed block; 3. special-shaped block; 4. moving plate; 5. motor; 501. bidirectional screw rod; 6. electric hydraulic rod. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical solutions and advantages of the embodiments of the utility model clearer, the technical solutions in the embodiments will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. The following embodiments are used to illustrate the utility model but are not used to limit the scope of the utility model.

[0021] Embodiment 1:

[0022] Reference Figure 1-Figure 4 A crawler excavator anti-chain debonding test device includes a test platform 1, two groups of fixed blocks 2 are symmetrically arranged on the test platform 1, and each group of multiple fixed blocks 2 are distributed in a wave shape. A special-shaped block 3 is arranged on the upper end of the fixed block 2, and each group of two adjacent special-shaped blocks 3 has different shapes. A moving cavity is arranged in the test platform 1, and a moving plate 4 is symmetrically slidably connected in the moving cavity. The fixed block 2 is connected to the moving plate 4, and a moving component for moving the moving plate 4 is arranged on the test platform 1. A slide groove for cooperating with the fixed block 2 to move is opened on the test platform 1.

[0023] When it is necessary to conduct an anti-debonding test on the excavator, the excavator is moved to the test bench 1, and then the excavator is driven to move repeatedly on the test bench 1 for testing. When the excavator moves, the crawler of the excavator is squeezed with the staggered special-shaped blocks 3, thereby improving the comprehensiveness of the test and making the test more accurate. When testing the crawlers of excavators of different sizes, the motor 5 works, and the bidirectional screw rod 501 drives the moving plate 4 to move, and moves to the corresponding position according to the excavators of different sizes, thereby effectively improving the accuracy of the test. Compared with the existing crawler excavator testing equipment, the bidirectional screw rod 501 drives the moving plate 4 to move to different positions to adapt to the testing of excavators of different sizes, and the staggered special-shaped blocks 3 are used for testing, thereby effectively improving the accuracy of the test.

[0024] Embodiment 2:

[0025] Reference Figure 1-Figure 4 A crawler excavator anti-chain debonding test device is basically the same as Example 1. Furthermore, the lower end of the fixed block 2 is fixedly connected with an electric hydraulic rod 6, and the electric hydraulic rod 6 is fixedly connected to the movable plate 4. When the excavator is tested, the height of the special-shaped block 3 is adjusted by the electric hydraulic rod 6, so that the test conditions are more comprehensive and the test results are more accurate.

[0026] Baffles 101 are symmetrically fixedly connected to the detection platform 1 to shield both sides of the detection area to prevent the excavator from falling out of the detection platform 1 from both sides when performing detection in the detection area.

[0027] The inlet and outlet ends of the detection platform 1 are arranged at an angle, so that the excavator can be moved to the detection platform 1 for better detection.

[0028] The special-shaped block 3 is detachably connected to the fixed block 2 via threads. After long-term use, the use effect of the special-shaped block 3 is reduced. The threaded connection facilitates the removal of the special-shaped block 3 from the fixed block 2 for replacement.

[0029] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Although the present invention has been disclosed as a preferred embodiment, it is not intended to limit the present invention.

Claims

1. A crawler excavator anti-chain debonding test device, characterized in that: The invention comprises a detection platform (1), wherein two groups of fixed blocks (2) are symmetrically arranged on the detection platform (1), and the fixed blocks (2) in each group are distributed in a wave shape. A special-shaped block (3) is arranged at the upper end of the fixed block (2), and the shapes of two adjacent special-shaped blocks (3) in each group are different. A movable cavity is arranged in the detection platform (1), and a movable plate (4) is symmetrically slidably connected in the movable cavity. The fixed blocks (2) are connected to the movable plate (4). A movable component for moving the movable plate (4) is arranged on the detection platform (1), and a slide groove for cooperating with the fixed blocks (2) to move is opened on the detection platform (1).

2. The crawler excavator anti-chain debonding test device according to claim 1, characterized in that: The moving assembly comprises a motor (5), the motor (5) is located on one side of the detection platform (1), the output end of the motor (5) is fixedly connected to a bidirectional screw rod (501), the bidirectional screw rod (501) is located in the moving cavity and is threadedly connected to the moving plate (4).

3. A crawler excavator anti-chain debonding test device according to claim 2, characterized in that: The lower end of the fixed block (2) is fixedly connected to an electric hydraulic rod (6), and the electric hydraulic rod (6) is fixedly connected to the movable plate (4).

4. The crawler excavator anti-chain debonding test device according to claim 1, characterized in that: A baffle (101) is symmetrically fixedly connected to the detection platform (1).

5. The crawler excavator anti-chain debonding test device according to claim 1, characterized in that: The inlet and outlet ends of the detection platform (1) are arranged in an inclined manner.

6. The crawler excavator anti-chain debonding test device according to claim 1, characterized in that: The special-shaped block (3) is detachably connected to the fixed block (2) via threads.

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