Device for testing durability of brake chamber material

Abstract

The utility model relates to the technical field of brake chamber production equipment, in particular to a brake chamber material durability testing device which comprises a base and two stand columns, the two stand columns are fixedly connected to the two ends of the base respectively, and a testing component is installed on the base. The testing component comprises sealing cavities, piston plates, a connecting cavity, a partition plate, a moving plate and an air conveying pipe, the two sealing cavities are fixedly connected to the two ends of the base respectively, and one ends of the two piston plates are slidably connected into the sealing cavities respectively. At the moment, a piston plate located on the left side extrudes gas in a sealing cavity into a connecting cavity and pushes a moving plate to move rightwards to be attached to a partition plate located on the right side, at the moment, gas in the sealing cavity on the left side enters the brake chamber through a gas conveying pipe to be detected, and detection of the durability of the brake chamber can be achieved along with continuous rotation of a cam.

Description

Technical Field

[0001] The utility model relates to the technical field of production equipment for brake chambers, in particular to a durability testing device for brake chamber materials. Background Art

[0002] A brake chamber is a key component in a vehicle that converts the energy of compressed air into mechanical energy for braking. It is also called a brake slave cylinder in the industry. The brake chamber is installed on the vehicle frame and axle, and its working environment is very harsh. Temperature changes with the four seasons of the external environment, as well as humidity and vibration, will affect its lifespan.

[0003] The durability can be verified by validating that the brake chamber performs a certain number of braking actions, but it is not possible to continuously perform braking actions on the brake chamber and conduct inspections, resulting in poor inspection effects for the brake chamber. Summary of the Utility Model

[0004] The purpose of the utility model is to solve the following disadvantages in the prior art. The durability can be verified by validating that the brake chamber performs a certain number of braking actions, but it is not possible to continuously perform braking actions on the brake chamber and conduct inspections, resulting in poor inspection effects for the brake chamber. Therefore, a durability testing device for brake chamber materials is proposed.

[0005] To achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A durability testing device for brake chamber materials, including a base and columns. Two of the columns are respectively fixedly connected to both ends of the base.

[0007] A testing component is installed on the base. The testing component includes a sealing chamber, a piston plate, a connecting chamber, a partition plate, a moving plate, and an air delivery pipe. Two of the sealing chambers are respectively fixedly connected to both ends of the base. One end of each of the two piston plates is respectively slidably connected in the sealing chamber. The connecting chamber is fixedly connected between the two sealing chambers. Two of the partition plates are both fixedly connected in the connecting chamber. The moving plate is slidably connected in the connecting chamber and is located between the two partition plates. One end of the air delivery pipe is fixedly communicated with the connecting chamber. A round hole is provided on the partition plate. A second spring is fixedly connected between the piston plate and the sealing chamber.

[0008] Preferably, the testing component further includes a sliding plate and a third spring. A groove is provided on the upper surface of the base. The sliding plate is slidably connected in the groove. The third spring is fixedly connected between the sliding plate and the bottom wall of the groove.

[0009] Preferably, sliding chambers are respectively slidably connected to the two columns. An inclined rod is hinged to the sliding chamber. A first spring is fixedly connected between the sliding chamber and the base.

[0010] Preferably, push plates are respectively and slidably connected to the upper ends of the two columns, and one end of the inclined rod away from the sliding cavity is hinged to the push plate.

[0011] Preferably, a brake air chamber is installed between the two push plates, and the brake air chamber is arranged above the sliding plate.

[0012] Preferably, a cam is rotatably connected to the base, and the cam is arranged between the two piston plates.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0014] 1. The brake air chamber is between the two push plates. Since the sliding cavity always has an upward movement tendency under the elastic force of the first spring, the sliding cavity can push the push plate to move at the upper end of the column through the inclined rod. When the two push plates move centrally, the clamping and fixing of the brake air chamber can be realized.

[0015] 2. The cam can squeeze the piston plate on the left side. At this time, the piston plate on the left side squeezes the gas in the sealing cavity into the connecting cavity, and pushes the moving plate to move to the right to fit with the partition plate on the right side. At this time, the gas in the left sealing cavity enters the brake air chamber through the air delivery pipe for detection. With the continuous rotation of the cam, the durability detection of the brake air chamber can be realized. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a front structural schematic diagram of the durability test device for the brake air chamber material proposed by the present utility model;

[0017] Figure 2 is an internal structural schematic diagram of the connecting cavity of the durability test device for the brake air chamber material proposed by the present utility model;

[0018] Figure 3 is a structural schematic diagram of the piston plate of the durability test device for the brake air chamber material proposed by the present utility model;

[0019] Figure 4 is a structural schematic diagram of the third spring of the durability test device for the brake air chamber material proposed by the present utility model.

[0020] In the figure: 1 base, 2 sliding plate, 3 column, 4 push plate, 5 brake air chamber, 6 air delivery pipe, 7 inclined rod, 8 sliding cavity, 9 first spring, 10 connecting cavity, 11 cam, 12 sealing cavity, 13 partition plate, 14 moving plate, 15 second spring, 16 piston plate, 17 third spring. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0021] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments.

[0022] In the present utility model, terms such as "upper", "lower", "left", "right", "middle", and "one" cited are only for the convenience of clear narration, rather than used to limit the scope of implementation of the present utility model. The change or adjustment of their relative relationship, without substantial change in technical content, should also be regarded as the scope of implementation of the present utility model.

[0023] Referring to Figures 1-4 , a durability test device for the material of a brake chamber, comprising a base 1 and columns 3. The two columns 3 are respectively fixedly connected to both ends of the base 1. A cam 11 is rotatably connected to the base 1, and the cam 11 is arranged between two piston plates 16.

[0024] A test component is installed on the base 1. The test component includes a sealing cavity 12, piston plates 16, a connecting cavity 10, a partition plate 13, a moving plate 14, and an air pipe 6. The two sealing cavities 12 are respectively fixedly connected to both ends of the base 1. One end of each of the two piston plates 16 is respectively slidably connected in the sealing cavity 12. The connecting cavity 10 is fixedly connected between the two sealing cavities 12. The two partition plates 13 are both fixedly connected in the connecting cavity 10. The moving plate 14 is slidably connected in the connecting cavity 10 and is located between the two partition plates 13. The moving plate 14 is hermetically slidably connected to the inner side wall of the connecting cavity 10. The moving plate 14 can seal the round holes of the partition plate 13. One end of the air pipe 6 is fixedly communicated with the connecting cavity 10. Round holes are provided on the partition plate 13. A second spring 15 is fixedly connected between the piston plate 16 and the sealing cavity 12. The test component further includes a slide plate 2 and a third spring 17. A groove is provided on the upper surface of the base 1. The slide plate 2 is slidably connected in the groove. The third spring 17 is fixedly connected between the slide plate 2 and the bottom wall of the groove. When the gas in the brake chamber 5 increases, it can push the slide plate 2 downward and compress the third spring 17.

[0025] Sliding cavities 8 are respectively slidably connected to the two columns 3. An inclined rod 7 is hinged to the sliding cavity 8. A first spring 9 is fixedly connected between the sliding cavity 8 and the base 1. Push plates 4 are respectively slidably connected to the upper ends of the two columns 3. One end of each push plate 4 is arc-shaped. The end of the inclined rod 7 away from the sliding cavity 8 is hinged to the push plate 4. A brake chamber 5 is installed between the two push plates 4. The brake chamber 5 is arranged above the slide plate 2.

[0026] In the present utility model, during use, the brake chamber 5 is located between the two push plates 4. Since the sliding cavity 8 always has a tendency to move upward under the elastic force of the first spring 9, the sliding cavity 8 can push the push plates 4 to move at the upper ends of the columns 3 through the inclined rod 7. When the two push plates 4 move centrally, clamping and fixing of the brake chamber 5 can be realized.

[0027] Then, the end of the air delivery pipe 6 far from the connection cavity 10 is communicated with the brake air chamber 5. Then, the cam 11 is connected to the driving end of the servo motor. Driven by the servo motor, the cam 11 can rotate and intermittently squeeze the piston plate 16 to slide in the sealing cavity 12. When the cam 11 squeezes the piston plate 16 on the right side to slide in the sealing cavity 12 and compresses the second spring 15 at the same time, the gas in the sealing cavity 12 can be squeezed into the connection cavity 10 and push the moving plate 14 to slide in the connection cavity 10 through the round hole on the right partition plate 13. When the moving plate 14 slides to fit the left partition plate 13, the round hole on the left partition plate 13 can be closed. At this time, the gas in the sealing cavity 12 on the right side enters the air delivery pipe 6 directly through the connection cavity 10 and is transmitted to the brake air chamber 5 for detection. When the cam 11 continues to rotate away from the piston plate 16 on the right side, the gas in the brake air chamber 5 flows back to the sealing cavity 12 on the right side through the air delivery pipe 6. At the same time, the cam 11 can squeeze the piston plate 16 on the left side. At this time, the piston plate 16 on the left side squeezes the gas in the sealing cavity 12 into the connection cavity 10 and pushes the moving plate 14 to move to the right to fit the right partition plate 13. At this time, the gas in the left sealing cavity 12 enters the brake air chamber 5 through the air delivery pipe 6 for detection. With the continuous rotation of the cam 11, the durability of the brake air chamber 5 can be detected.

[0028] In the present utility model, unless otherwise clearly specified and defined, terms such as "installation", "connection", "connection", "fixation" and other terms should be understood in a broad sense.

[0029] The above is only the preferred specific implementation manner of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution and the inventive concept of the present utility model, makes equivalent replacements or changes, and all should be covered within the protection scope of the present utility model.

Claims

1. Brake chamber material durability test device, including a base (1) and a column (3), characterized in that, The two columns (3) are respectively fixedly connected to both ends of the base (1). A testing component is installed on the base (1), and the testing component includes a sealing chamber (12), a piston plate (16), a connecting chamber (10), a partition plate (13), a moving plate (14), and an air delivery pipe (6). The two sealing chambers (12) are respectively fixedly connected to both ends of the base (1). One end of each of the two piston plates (16) is slidably connected to the inside of the sealing chamber (12). The connecting chamber (10) is fixedly connected between the two sealing chambers (12). The two partition plates (13) are both fixedly connected to the inside of the connecting chamber (10). The moving plate (14) is slidably connected to the inside of the connecting chamber (10) and is located between the two partition plates (13). One end of the air delivery pipe (6) is fixedly communicated with the connecting chamber (10). A circular hole is formed in the partition plate (13). A second spring (15) is fixedly connected between the piston plate (16) and the sealing chamber (12).

2. The durability test device for the brake chamber material according to claim 1, characterized in that The testing component further includes a sliding plate (2) and a third spring (17). A groove is formed on the upper surface of the base (1). The sliding plate (2) is slidably connected to the inside of the groove. The third spring (17) is fixedly connected between the sliding plate (2) and the bottom wall of the groove.

3. The durability test device for the brake chamber material according to claim 2, wherein Sliding chambers (8) are respectively slidably connected to the two columns (3). An inclined rod (7) is hinged to the sliding chamber (8). A first spring (9) is fixedly connected between the sliding chamber (8) and the base (1).

4. The durability test device for the brake chamber material according to claim 3, characterized in that, Pushing plates (4) are respectively slidably connected to the upper ends of the two columns (3). One end of the inclined rod (7) away from the sliding chamber (8) is hinged to the pushing plate (4).

5. The durability test device for the brake chamber material according to claim 4, characterized in that, A braking air chamber (5) is installed between the two pushing plates (4). The braking air chamber (5) is arranged above the sliding plate (2).

6. The durability test device for the brake chamber material according to claim 1, wherein A cam (11) is rotatably connected to the base (1). The cam (11) is arranged between the two piston plates (16).

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