Sealing cover adjusting device for quarter suspension fatigue testing machine

Abstract

The utility model discloses a sealing cover adjusting device for a quarter suspension fatigue testing machine, the quarter suspension fatigue testing machine comprises an environmental box, a sealing cover is arranged on the environmental box, the sealing cover adjusting device comprises an adjusting hand wheel and a clamping device, the adjusting hand wheel is connected to one side of the environment box to adjust transverse movement of the environment box so as to adjust the position of the sealing cover. The clamping device comprises a clamping cylinder, a rocker arm and a clamping plate; the clamping plate is fixed to the side wall of the environment box, and the rocker arm is arranged above the clamping plate, connected with the clamping air cylinder and used for pressing and clamping the environment box under driving of the clamping air cylinder so as to fix the position of the sealing cover. According to the sealing cover adjusting device provided by the utility model, the stability of a testing machine can be enhanced, and the testing efficiency is improved.

Description

Technical Field

[0001] The utility model relates to a quarter suspension fatigue testing machine, in particular to a sealing cover adjusting device for a quarter suspension fatigue testing machine. Background Art

[0002] The quarter suspension testing machine is a special testing equipment used for multi-degree-of-freedom durability test of a quarter suspension of a passenger car. This testing equipment can simulate the impact force transmitted from the road surface bumps to the frame or body to the wheels and the frame, measure the force borne by the vehicle suspension under simulated actual working conditions, and at the same time can simulate the influence of wheel steering on the suspension spring and shock absorber for loading. Before installing the test piece, it is necessary to adjust the position of the loading actuator, the position of the upper sealing cover of the environmental chamber, and the position of the steering gear. Therefore, ensuring the stability of the position adjustment of the upper sealing cover of the environmental chamber is of great significance for improving the test efficiency of the quarter suspension fatigue testing machine. Summary of the Utility Model

[0003] In view of the above-mentioned deficiencies existing currently, the utility model provides a sealing cover adjusting device for a quarter suspension fatigue testing machine, which solves the problem of instability after the position adjustment of the upper sealing cover of the environmental chamber, and plays a role in stably clamping the environmental chamber, thereby improving the production efficiency.

[0004] To achieve the above object, the embodiments of the utility model adopt the following technical solutions:

[0005] A sealing cover adjusting device for a quarter suspension fatigue testing machine, the quarter suspension fatigue testing machine includes an environmental chamber, a sealing cover is provided on the environmental chamber, the sealing cover adjusting device includes an adjusting handwheel and a clamping device, the adjusting handwheel is connected to one side of the environmental chamber to adjust the lateral movement of the environmental chamber to adjust the position of the sealing cover; the clamping device includes a clamping cylinder, a rocker arm and a clamping plate; the clamping plate is fixed on the side wall of the environmental chamber, the rocker arm is arranged above the clamping plate and connected to the clamping cylinder, and is used for pressing down and clamping the environmental chamber under the drive of the clamping cylinder to fix the position of the sealing cover.

[0006] According to one aspect of the utility model, the clamping device includes two clamping devices symmetrically arranged on opposite sides of the environmental chamber.

[0007] According to one aspect of the utility model, at least one clamping cylinder cooperating with the clamping plate is provided on the clamping plate.

[0008] According to one aspect of the utility model, the rocker arm includes a body and a fastener, and a buffer pad is provided at the lower end of the fastener.

[0009] According to one aspect of the utility model, an installation plate is provided at the bottom of the clamping cylinder.

[0010] According to one aspect of the present utility model, a pointer is provided on the environmental chamber, and the sealing cover adjusting device further includes a scale cooperating with the pointer.

[0011] According to one aspect of the present utility model, the adjusting handwheel includes a handwheel and a connecting shaft connected to the handwheel. A bearing is provided between the handwheel and the connecting shaft, and a limiting block is sleeved on the connecting shaft.

[0012] According to one aspect of the present utility model, a through hole for the connecting shaft to move is provided on one side of the environmental chamber close to the handwheel, and the through hole cooperates with the limiting block to limit the connecting shaft.

[0013] According to one aspect of the present utility model, a sealing plate is provided between the sealing cover and the environmental chamber.

[0014] According to one aspect of the present utility model, the outer diameter of the sealing plate is smaller than the inner diameter of the sealing cover.

[0015] Advantages of the implementation of the present utility model: By the cooperation of the clamping plate and the clamping cylinder, the environmental chamber is clamped, making the stability stronger; the outer diameter of the end of the pointer connected to the scale gradually increases from outside to inside, facilitating better reading of data in cooperation with the scale; a sealing plate is provided between the sealing cover and the environmental chamber, and the sealing performance of the sealing cover is ensured by the sealing plate to prevent the penetration of external media. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following will briefly introduce the drawings required to be used in the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0017] Figure 1 is a schematic structural diagram of the present utility model;

[0018] Figure 2 is a schematic structural diagram of the adjusting handwheel of the present utility model;

[0019] Figure 3 is a schematic structural diagram of the clamping cylinder of the present utility model;

[0020] Figure 4 is a schematic structural diagram of the sealing cover and sealing plate of the present utility model.

[0021] 1. Sealing cover; 2. Environmental chamber; 21. Clamping plate; 22. Mounting plate; 3. Adjusting handwheel; 31. Handwheel; 32. Connecting shaft; 33. Limit block; 34. Bearing; 4. Sealing plate; 5. Scale; 6. Pointer; 7. Clamping cylinder; 8. Rocker arm; 81. Body; 82. Fastener; 83. Buffer pad. Detailed implementation mode

[0022] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention. In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "top", "bottom", "one side", "the other side", "front", "rear", "middle part", "inside", "top end", "bottom end", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present invention.

[0023] Embodiment 1:

[0024] As Figures 1 to 3 shown, a sealing cover adjusting device for a quarter suspension fatigue testing machine, the quarter suspension fatigue testing machine includes an environmental chamber 2, a sealing cover 1 is provided on the environmental chamber 2, the sealing cover adjusting device includes an adjusting handwheel 3 and a clamping device, the adjusting handwheel 3 is connected to one side of the environmental chamber 2 to adjust the lateral movement of the environmental chamber 2 to adjust the position of the sealing cover 1; the clamping device includes a clamping cylinder 7, a rocker arm 8 and a clamping plate 21; the clamping plate 21 is fixed on the side wall of the environmental chamber 2, the rocker arm 8 is arranged above the clamping plate 21 and connected to the clamping cylinder 7, and is used to press down and clamp the environmental chamber 2 under the drive of the clamping cylinder 7 to fix the position of the sealing cover 1. When in use, first operate the cylinder knob to loosen the clamping cylinder 7, adjust the position of the environmental chamber 2 through the adjusting handwheel 3, the environmental chamber 2 drives the sealing cover 1 to move, and at the same time observe the position indicated by the pointer 6 on the scale 5. After reaching the position, stop rotating the adjusting handwheel 3, and the clamping cylinder 7 clamps the environmental chamber 2 to complete the adjustment of the position of the sealing cover 1.

[0025] In practical applications, the clamping device includes 2 clamping devices symmetrically arranged on opposite sides of the environmental chamber 2. The clamping devices are symmetrically arranged, the clamping force is more uniform, and the environmental chamber 2 is fixed more stably.

[0026] In practical applications, at least one clamping cylinder 7 that cooperates with the clamping plate 21 is provided on the clamping plate 21. By providing a plurality of clamping cylinders 7, the stability of the fixed environmental chamber 2 can be further improved.

[0027] In practical applications, the rocker arm 8 is connected to the top of the clamping cylinder 7.

[0028] In practical applications, the rocker arm 8 includes a body 81 and a fastener 82, and a buffer pad 83 is provided at the lower end of the fastener 82. Component damage is prevented by the buffer pad 83.

[0029] The fastener 82 can be a screw.

[0030] In practical applications, a pointer 6 is provided on the environmental chamber 2, and the adjustment device further includes a scale 5 that cooperates with the pointer 6. By observing the position indicated by the pointer 6 on the scale 5, the position of the sealing cover 1 can be adjusted more precisely.

[0031] The scale 5 can be provided on a mounting bracket adjacent to the pointer 6.

[0032] In this embodiment, the pointer 6 is in an "L" shape, the inner side of the pointer 6 is in contact with the scale 5, and the outer diameter of the end of the pointer 6 connected to the scale 5 gradually increases from outside to inside. The outer diameter of the end of the pointer 6 connected to the scale 5 gradually increases from outside to inside, which is convenient for better reading of data in cooperation with the scale 5.

[0033] In practical applications, a mounting plate 22 is provided at the bottom of the clamping cylinder 7. The clamping cylinder 7 is more conveniently installed through the mounting plate 22, and the stability is further improved at the same time.

[0034] In this embodiment, the cross-section of the clamping plate 21 is in an "L" shape.

[0035] In this embodiment, the cross-section of the mounting plate 22 is in an "L" shape.

[0036] In practical applications, the adjustment handwheel 3 includes a handwheel 31 and a connecting shaft 32 connected to the handwheel 31. A bearing 34 is provided between the handwheel 31 and the connecting shaft 32, and a limit block 33 is sleeved on the connecting shaft 32. The excessive movement of the connecting shaft 32 is avoided through the cooperation of the limit block 33 and the through hole, preventing damage to the environmental chamber 2.

[0037] In this embodiment, the limit block 33 is square.

[0038] In this embodiment, the clamping cylinder 7 is a rotary cylinder. The rotary cylinder is convenient to use and can work stably and reliably in a variety of application environments.

[0039] In practical applications, a through hole for the movement of the connecting shaft 32 is provided on one side of the environmental chamber 2 close to the handwheel 31, and the through hole cooperates with the limit block 33 to limit the connecting shaft 32.

[0040] In practical applications, a sealing plate 4 is provided between the sealing cover 1 and the environmental chamber 2. The sealing performance of the sealing cover 1 is ensured through the sealing plate 4 to prevent the penetration of external media.

[0041] In practical applications, as Figure 4 shown, the sealing plate 4 is annular, the sealing cover 1 is disc-shaped, and the outer diameter of the sealing plate 4 is smaller than the inner diameter of the sealing cover 1. This facilitates the installation and maintenance of the sealing plate 4.

[0042] The beneficial effects of this embodiment are as follows: The environmental chamber 2 is clamped through the cooperation of the clamping plate 21 and the clamping cylinder 7, making the stability stronger; the outer diameter of the end of the pointer 6 connected to the scale 5 gradually increases from outside to inside, facilitating better data reading in cooperation with the scale 5; a sealing plate 4 is provided between the sealing cover 1 and the environmental chamber 2, and the sealing performance of the sealing cover 1 is ensured through the sealing plate 4 to prevent the penetration of external media.

[0043] The above is only the specific implementation manner of this utility model, but the protection scope of this utility model is not limited thereto. Any changes or substitutions that can be easily thought of by those skilled in the art within the technical scope disclosed by this utility model should be covered within the protection scope of this utility model. Therefore, the protection scope of this utility model should be subject to the protection scope of the claimed rights.

Claims

1. A sealing cover adjusting device for a quarter suspension fatigue testing machine, the quarter suspension fatigue testing machine comprising an environmental chamber (2), and a sealing cover (1) being provided on the environmental chamber (2), characterized in that, The sealing cover adjusting device includes an adjusting handwheel (3) and a clamping device. The adjusting handwheel (3) is connected to one side of the environmental chamber (2) to adjust the lateral movement of the environmental chamber (2) so as to adjust the position of the sealing cover (1). The clamping device includes a clamping cylinder (7), a rocker arm (8) and a clamping plate (21). The clamping plate (21) is fixed on the side wall of the environmental chamber (2). The rocker arm (8) is arranged above the clamping plate (21) and connected to the clamping cylinder (7), and is used to press down and clamp the environmental chamber (2) under the drive of the clamping cylinder (7) to fix the position of the sealing cover (1).

2. The sealing cover adjusting device for a quarter suspension fatigue testing machine according to claim 1, wherein, The clamping device includes two clamping devices symmetrically arranged on opposite sides of the environmental chamber (2).

3. The sealing cover adjusting device for a quarter suspension fatigue testing machine according to claim 2, wherein, At least one clamping cylinder (7) cooperating with the clamping plate (21) is provided on the clamping plate (21).

4. A sealing cover adjusting device for a quarter suspension fatigue testing machine according to claim 1, characterized in that The rocker arm (8) includes a body (81) and a fastener (82), and a buffer pad (83) is provided at the lower end of the fastener (82).

5. The sealing cover adjusting device for a quarter suspension fatigue testing machine according to claim 1, characterized in that, An installation plate (22) is provided at the bottom of the clamping cylinder (7).

6. The sealing cover adjusting device for a quarter suspension fatigue testing machine according to claim 1, characterized in that, A pointer (6) is provided on the environmental chamber (2), and the sealing cover adjusting device further includes a scale (5) cooperating with the pointer (6).

7. A sealing cover adjusting device for a quarter suspension fatigue testing machine according to claim 1, characterized in that, The adjusting handwheel (3) includes a handwheel (31) and a connecting shaft (32) connected to the handwheel (31). A bearing (34) is provided between the handwheel (31) and the connecting shaft (32), and a limiting block (33) is sleeved on the connecting shaft (32).

8. A sealing cover adjusting device for a quarter suspension fatigue testing machine according to claim 7, characterized in that, A through hole for the movement of the connecting shaft (32) is provided on one side of the environmental chamber (2) close to the handwheel (31), and the through hole cooperates with the limiting block (33) to limit the connecting shaft (32).

9. A sealing cover adjusting device for a quarter suspension fatigue testing machine according to any one of claims 1 to 8, characterized in that, A sealing plate (4) is provided between the sealing cover (1) and the environmental chamber (2).

10. A sealing cover adjusting device for a quarter suspension fatigue testing machine according to claim 9, characterized in that, The outer diameter of the sealing plate (4) is smaller than the inner diameter of the sealing cover (1).

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