Testing machine for air bag vibration damper

Abstract

The utility model discloses a testing machine for an air bag vibration damper, which belongs to the technical field of vibration dampers and comprises a rack, a testing table and a control table are arranged on the left side and the right side of the rack respectively, and two groups of guide columns which are arranged in parallel are arranged in the testing table. An upper fixing plate is fixedly arranged at the top ends of the two sets of guide columns, and a downward pressing oil cylinder is installed on the upper fixing plate. The air bag shock absorber is automatically fixed and compressed through the pressing oil cylinder and the jacking oil cylinder, the operation working condition of the air bag shock absorber is simulated, in the process, the air inflation test is conducted on the air bag shock absorber through the pressurizing air pump, the air leakage condition of the air bag shock absorber is observed, automatic control is achieved, time and labor are saved, and convenience and high efficiency are achieved. Meanwhile, the upper connecting seat and the lower connecting seat are convenient to replace, different specifications can be replaced according to the model of the tested air bag damper, and the device is suitable for testing different air bag dampers, high in applicability and more flexible to use.

Description

Technical Field

[0001] The utility model belongs to the technical field of shock absorbers, and in particular relates to an air bag shock absorber testing machine. Background Art

[0002] The airbag shock absorber is a kind of inflatable shock absorber, which uses air pressure resistance to prevent vibration. After the airbag shock absorber is manufactured, it is necessary to test the sealing performance of the airbag shock absorber to detect shock absorber products with air leakage defects. The existing shock absorber tests are mostly done manually by workers, which is time-consuming and labor-intensive, and has low testing efficiency. At the same time, manual clamping is required during the test process, and the test operation for different models of shock absorbers is cumbersome and has poor adaptability. Utility Model Content

[0003] The utility model aims to provide an airbag vibration damper testing machine to solve the problems in the existing vibration damper testing process proposed in the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an airbag vibration damper test machine, comprising a frame, a test bench and a control console are respectively arranged on the left and right sides of the frame, two groups of parallel guide columns are arranged inside the test bench, upper fixing plates are fixedly arranged on the top ends of the two groups of guide columns, a downward pressure cylinder is installed on the upper fixing plate, a downward pressure slider movably sleeved on the guide column is arranged below the upper fixing plate, an upper cylinder joint is arranged on the top of the downward pressure slider, and the upper cylinder joint is fixedly connected to the piston rod of the downward pressure cylinder, and an upper connecting seat is arranged on the bottom surface of the downward pressure slider;

[0005] A lower fixing plate is fixedly provided at the bottom end of the two groups of guide columns, a lifting cylinder is provided on the lower fixing plate, an adjusting beam sliding along the guide column is provided above the lower fixing plate, a lower cylinder joint is provided at the bottom of the adjusting beam, and the lower cylinder joint is fixedly connected to the piston rod of the lifting cylinder, and a lower connecting seat is provided on the top surface of the adjusting beam.

[0006] Preferably, a control panel and a touch screen are provided in the console, and the control panel and the touch screen are arranged on the front side of the frame, and a booster air pump is provided at the bottom of the touch screen.

[0007] Preferably, an electrical cabinet is provided at the rear side of the guide column, and a hydraulic station is provided below the electrical cabinet.

[0008] Preferably, locking nuts are provided at both ends of the adjusting beam.

[0009] Preferably, the upper connecting seat and the lower connecting seat are both detachably connected.

[0010] Preferably, the pressing cylinder, the upper connecting seat, the lower connecting seat and the lifting cylinder are installed coaxially.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The airbag shock absorber is automatically fixed and compressed by the downward cylinder and the upward cylinder to simulate the operating conditions of the airbag shock absorber. In this process, the airbag shock absorber is inflated and tested by a booster air pump to observe the air leakage of the airbag shock absorber, thereby realizing automatic control, saving time and effort, and being convenient and efficient. At the same time, the upper and lower connecting seats are easy to replace, and different specifications can be replaced according to the model of the airbag shock absorber being tested. It is suitable for different airbag shock absorber tests, has strong applicability, and is more flexible to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a front view structural schematic diagram of the utility model;

[0014] Figure 2 It is a side structural schematic diagram of the utility model.

[0015] In the figure: 1. Frame; 2. Touch screen; 3. Down-pressure cylinder; 4. Upper fixed plate; 5. Upper cylinder joint; 6. Down-pressure slider; 7. Upper connecting seat; 8. Lower connecting seat; 9. Adjusting beam; 10. Lower cylinder joint; 11. Guide column; 12. Lower fixed plate; 13. Lifting cylinder; 14. Hydraulic station; 15. Booster air pump; 16. Operation panel; 17. Electrical cabinet. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0017] Reference Figure 1-2 , an airbag vibration damper testing machine, comprising a frame 1, a test bench and a control console are respectively arranged on the left and right sides of the frame 1, two sets of parallel guide columns 11 are arranged inside the test bench, upper fixing plates 4 are fixedly arranged on the tops of the two sets of guide columns 11, a downward pressure cylinder 3 is installed on the upper fixing plate 4, a downward pressure slider 6 movably sleeved on the guide column 11 is arranged below the upper fixing plate 4, an upper cylinder joint 5 is arranged on the top of the downward pressure slider 6, and the upper cylinder joint 5 is fixedly connected to the piston rod of the downward pressure cylinder 3, and an upper connecting seat 7 is arranged on the bottom surface of the downward pressure slider 6;

[0018] A lower fixed plate 12 is fixedly provided at the bottom end of the two groups of guide columns 11, a lifting cylinder 13 is provided on the lower fixed plate 12, an adjusting beam 9 sliding along the guide column 11 is provided above the lower fixed plate 12, a lower cylinder joint 10 is provided at the bottom of the adjusting beam 9, and the lower cylinder joint 10 is fixedly connected to the piston rod of the lifting cylinder 13, and a lower connecting seat 8 is provided on the top surface of the adjusting beam 9.

[0019] Through this technical solution, this solution proposes an automated testing machine for an airbag shock absorber, in which the airbag shock absorber is fixed by an upper connecting seat 7 and a lower connecting seat 8, the lower connecting seat 8 is mounted on an adjusting beam 9, and is automatically moved to a predetermined position by a lifting cylinder 13 under the adjusting beam 9, the upper connecting seat 7 is mounted on a pressing slider 6, and the pressing slider 6 is driven by the pressing cylinder 3 to slide back and forth on the guide column 11, thereby pressing the airbag shock absorber to simulate the operating condition of the airbag shock absorber. In this process, an inflation test is performed on the airbag shock absorber, the air leakage of the airbag shock absorber is observed, and defective products in the shock absorber are tested and sorted out.

[0020] Furthermore, a control panel and a touch screen 2 are provided in the control console, and the control panel and the touch screen 2 are arranged on the front side of the frame 1 , and a booster air pump 15 is provided at the bottom of the touch screen 2 .

[0021] Through this technical solution, automatic control is achieved by adjusting the settings through the control panel and the touch screen 2, which saves time and effort, is convenient and efficient; the booster air pump 15 is used to provide an air source for the airbag shock absorber to perform inflation testing.

[0022] Furthermore, an electrical cabinet 17 is disposed at the rear side of the guide column 11 , and a hydraulic station 14 is disposed below the electrical cabinet 17 .

[0023] Furthermore, locking nuts are provided at both ends of the adjusting crossbeam 9 .

[0024] After the adjusting nut is driven to the set position by the lifting cylinder, it is fixed by the locking nuts at both ends; after the airbag shock absorber is fixed to the upper and lower connecting seats 8, it is connected to the air pump through the air pipe. Press the start button, the downward pressure cylinder 3 automatically controls the slider to compress the workpiece to the set height, and then the air pump performs an inflation test on the workpiece.

[0025] Furthermore, the upper connecting seat 7 and the lower connecting seat 8 can be detachably connected.

[0026] The upper connecting seat 7 and the lower connecting seat 8 can be replaced with different specifications according to the model of the airbag shock absorber to be tested. The upper connecting seat 7 and the lower connecting seat 8 can be detachably connected and are suitable for different airbag shock absorber tests. They are highly applicable and more flexible to use.

[0027] Furthermore, the pressing cylinder 3 , the upper connecting seat 7 , the lower connecting seat 8 and the lifting cylinder 13 are installed coaxially.

[0028] Through this technical solution, the lifting and pressing down of the airbag shock absorber can be in the same direction, the test operation is more stable, and the use effect is better.

[0029] Working principle: The airbag shock absorber is fixed by the upper connecting seat 7 and the lower connecting seat 8. The lower connecting seat 8 is installed on the adjusting beam 9 and automatically moved to the predetermined position by the lifting cylinder 13 under the adjusting beam 9. The upper connecting seat 7 is installed on the pressing slider 6. The pressing slider 6 is driven by the pressing cylinder 3 to slide back and forth on the guide column 11, thereby pressing the airbag shock absorber to simulate the operating condition of the airbag shock absorber. In this process, the airbag shock absorber is inflated and tested to observe the leakage of the airbag shock absorber and to test and sort out defective products in the shock absorber.

[0030] In the description of the present invention, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0031] In the description of the present invention, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In the present invention, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine different embodiments or examples described in the present invention and features of different embodiments or examples without contradiction.

[0032] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An airbag vibration damper testing machine, characterized in that: The machine comprises a frame, a test bench and a control console are respectively arranged on the left and right sides of the frame, two sets of parallel guide columns are arranged inside the test bench, upper fixing plates are fixedly arranged on the top ends of the two sets of guide columns, a downward pressure oil cylinder is installed on the upper fixing plate, a downward pressure slide block movably sleeved on the guide column is arranged below the upper fixing plate, an upper oil cylinder joint is arranged on the top of the downward pressure slide block, and the upper oil cylinder joint is fixedly connected to the piston rod of the downward pressure oil cylinder, and an upper connecting seat is arranged on the bottom surface of the downward pressure slide block; A lower fixing plate is fixedly provided at the bottom end of the two groups of guide columns, a lifting cylinder is provided on the lower fixing plate, an adjusting beam sliding along the guide column is provided above the lower fixing plate, a lower cylinder joint is provided at the bottom of the adjusting beam, and the lower cylinder joint is fixedly connected to the piston rod of the lifting cylinder, and a lower connecting seat is provided on the top surface of the adjusting beam.

2. The airbag vibration damper testing machine according to claim 1, characterized in that: A control panel and a touch screen are provided in the console, and the control panel and the touch screen are arranged on the front of the frame, and a booster air pump is arranged at the bottom of the touch screen.

3. The airbag vibration damper testing machine according to claim 1, characterized in that: An electrical cabinet is arranged at the rear side of the guide column, and a hydraulic station is arranged below the electrical cabinet.

4. The airbag vibration damper testing machine according to claim 1, characterized in that: Locking nuts are arranged at both ends of the adjusting cross beam.

5. The airbag vibration damper testing machine according to claim 1, characterized in that: The upper connecting seat and the lower connecting seat can be detachably connected.

6. The airbag vibration damper testing machine according to claim 1, characterized in that: The pressing oil cylinder, the upper connecting seat, the lower connecting seat and the lifting oil cylinder are installed coaxially.

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