CN212300752U - Automobile auxiliary brake system shell air tightness detection device - Google Patents
Automobile auxiliary brake system shell air tightness detection device Download PDFInfo
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- CN212300752U CN212300752U CN202020300686.7U CN202020300686U CN212300752U CN 212300752 U CN212300752 U CN 212300752U CN 202020300686 U CN202020300686 U CN 202020300686U CN 212300752 U CN212300752 U CN 212300752U
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- auxiliary brake
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Abstract
The utility model relates to a car auxiliary brake system casing gas tightness detection device, through setting up shock attenuation telescopic link, damping spring and cushion pad, reduce its vibrations that produce in the transportation or in the use to the damage of accurate part, inhale the sound cotton and can reduce the production of noise with the amortization pad, can realize the clamping location of car auxiliary brake system casing through setting up electric telescopic handle, the utility model has the advantages of reasonable design, easy operation, can greatly increase work efficiency in the use; compare with current artifical visual judgement, avoided because the tired bad article that leads to of detection personnel eye flow, avoided gas leakage very little because the bad article that leads to is difficult for perceiving flows, consequently detect the error rate low, can avoid bad article to flow, consequently the work load is little, detection efficiency is high.
Description
Technical Field
The utility model relates to an automobile auxiliary brake technical field, concretely relates to automobile auxiliary brake system casing gas tightness detection device.
Background
Because various casting environments are different, some cast and processed brake pump housings have microcracks, the microcracks are difficult to find by human eyes after casting, the brake pump housings with the microcracks are easy to damage in use, the internal sealing performance is poor, lubricating oil is leaked, the function of a speed reducer is influenced, vehicles are difficult to use, and the vehicle using cost is increased. The air tightness of the brake pump shell is usually detected by using a brake pump shell air tightness detection device, the brake pump shell needs to be fixed in the detection process, and if the fixation is not good, the detection result is influenced; the damping effect of the existing brake pump shell detection device is not obvious, and the detection result is influenced by damage to some detected precision instruments in moving or working. In view of the above drawbacks, it is actually necessary to design a device for detecting air tightness of a shell of an auxiliary brake system of an automobile.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a car auxiliary brake system casing gas tightness detection device to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the air tightness detection device for the shell of the automobile auxiliary braking system comprises a frame, wherein the frame comprises a placing plate, a vertical column longitudinally arranged on the placing plate and a supporting plate arranged at the top of the vertical column, an inclined support is arranged between the supporting plate and the vertical column, the shell of the automobile auxiliary braking system is placed on the placing plate, an airtight detection cavity is arranged inside the shell of the automobile auxiliary braking system, the detection cavity is communicated with one end of a gas pipeline, the other end of the gas pipeline is communicated with a high-pressure gas source, an air inlet valve and a pressure regulating valve are arranged on the gas pipeline, the air inlet valve is an automatic air inlet valve, the automatic air inlet valve is connected with a control system, the pressure regulating valve is an automatic pressure regulating valve, the automatic pressure regulating valve is connected with the control system, the control system is connected with a, be provided with supplementary barometer on the pipeline, can observe the atmospheric pressure in the detection cavity directly perceived through supplementary barometer, control system links to each other with result display device, the below of placing the board is provided with the blotter, the blotter with place between the board vertically be provided with the shock attenuation telescopic link, shock attenuation telescopic link outside cover is equipped with damping spring, the below of blotter is provided with the amortization pad, the below of amortization pad is provided with the base, the bottom of base is provided with the gyro wheel.
Preferably, place and be provided with two electric telescopic handle on the board, two electric telescopic handle is located the left and right sides of car auxiliary brake system casing, and two electric telescopic handle's tip all is provided with splint.
Preferably, the upper surface of the supporting plate is provided with a hydraulic cylinder, the end part of a piston rod of the hydraulic cylinder penetrates through the supporting plate to be connected with the pressure plate, and the bottom of the pressure plate is provided with a rubber pad.
Preferably, an automatic exhaust valve connected with a control system is arranged on a gas pipeline between the detection cavity and the automatic intake valve.
Preferably, the result display means is a warning lamp including both display colors.
Compared with the prior art, the device for detecting the air tightness of the shell of the automobile auxiliary brake system of the utility model comprises a placing plate, a gas pipeline and a pipeline which are arranged on the placing plate and extend into the shell of the automobile auxiliary brake system to seal the joint of the gas pipeline and the pipeline, a detection cavity of the shell of the automobile auxiliary brake system is communicated with the gas pipeline and the pipeline, the shell of the automobile auxiliary brake system is clamped and fixed on the placing plate by pushing the clamping plate through the electric telescopic rod, meanwhile, the hydraulic cylinder is started to move the piston rod downwards to drive the pressure plate to be in contact with the shell of the automobile auxiliary brake system and tightly press the shell of the automobile auxiliary brake system, at the moment, the control system automatically opens the automatic air inlet valve and monitors the air pressure in the detection cavity through the pressure sensor, and closes the automatic air inlet valve when the set pressure value is reached in the, and recording the final pre-gas-cut pressure; after a specified time, such as 10 seconds, the control system detects the air pressure in the detection cavity again through the pressure sensor and compares the detected value with the pressure before air cut off, and the control system judges whether the shell of the automobile auxiliary brake system is qualified in air tightness or not through the comparison value and displays the judgment result through the result display device; the control system controls the hydraulic cylinder to ascend to lift the pressure plate, and the brake pump shell is taken out to complete detection; the utility model discloses a set up shock attenuation telescopic link, damping spring and cushion, reduce its vibrations that produce in the transportation or in the use to the damage of accurate part, inhale the sound cotton and the production that the amortization was filled up can reduce the noise, can realize the clamping location of car auxiliary brake system casing through setting up electric telescopic link, the utility model has the advantages of reasonable design, easy operation, can greatly increase work efficiency in the use; compare with current artifical visual judgement, avoided because the tired bad article that leads to of detection personnel eye flow, avoided gas leakage very little because the bad article that leads to is difficult for perceiving flows, consequently detect the error rate low, can avoid bad article to flow, consequently the work load is little, detection efficiency is high.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:
fig. 1 is the utility model relates to a car auxiliary brake system casing gas tightness detection device's schematic structure diagram.
In the drawings:
1. placing the plate; 2. a platen; 3. a column; 4. a support plate; 5. a gas line; 6. an automatic air intake valve; 7. an automatic exhaust valve; 8. an alarm lamp; 9. an auxiliary barometer; 10. a pressure sensor; 11. a control system; 12. an automotive auxiliary brake system housing; 13. a hydraulic cylinder; 14. arranging wires; 15. an automatic pressure regulating valve; 16. a shock-absorbing telescopic rod; 17. a damping spring; 18. a roller; 19. a cushion pad; 20. a sound-deadening pad; 21, a base.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: a device for detecting the air tightness of a shell of an automobile auxiliary braking system comprises a frame, wherein the frame comprises a placing plate 1, a stand column 3 longitudinally installed on the placing plate 1 and a supporting plate 4 installed at the top of the stand column 3, an inclined support is arranged between the supporting plate 4 and the stand column 3, an automobile auxiliary braking system shell 12 is placed on the placing plate 1, a closed detection cavity is arranged inside the automobile auxiliary braking system shell, the detection cavity is communicated with one end of a gas pipeline 5, the other end of the gas pipeline 5 is communicated with a high-pressure gas source, an air inlet valve and a pressure regulating valve are arranged on the gas pipeline 5, the air inlet valve is an automatic air inlet valve 6, the automatic air inlet valve 6 is connected with a control system 11, the pressure regulating valve is an automatic pressure regulating valve 15, the automatic pressure regulating valve 15 is connected with the control system 11, and, the pressure sensor 10 is communicated with the detection cavity through a pipeline, an auxiliary air pressure gauge 9 is arranged on the pipeline, air pressure in the detection cavity can be visually observed through the auxiliary air pressure gauge 9, the control system 11 is connected with a result display device, and the control system 11 adopts a PLC (programmable logic controller).
In this embodiment, a cushion pad 19 is arranged below the placing plate 1, a damping telescopic rod 16 is vertically arranged between the cushion pad 19 and the placing plate 1, a damping spring 17 is sleeved outside the damping telescopic rod 16, a silencing pad 20 is arranged below the cushion pad 19, a base 21 is arranged below the silencing pad 20, and rollers 18 are arranged at the bottom of the base 21.
In this embodiment place and be provided with two electric telescopic handle, two on the board 1 electric telescopic handle is located the left and right sides of car auxiliary brake system casing 12, and two electric telescopic handle's tip all is provided with splint, promotes splint through two electric telescopic handle and presss from both sides car auxiliary brake system casing 12 tightly to realize the tight location of clamp of car auxiliary brake system casing 12.
Specifically, the top surface of the base 21 is provided with a groove, the silencing pad 20 is arranged in the groove, the top surface of the silencing pad 20 is provided with a groove, and the buffer pad 19 is arranged in the groove, so that the buffering effect is good.
The upper surface of the supporting plate 4 is provided with a hydraulic cylinder 13, the end part of a piston rod of the hydraulic cylinder 13 penetrates through the supporting plate 4 to be connected with the pressure plate 2, and the bottom of the pressure plate 2 is provided with a rubber pad.
The working principle is as follows: when in use, the shell 12 of the automobile auxiliary brake system is placed on the placing plate 1, the gas pipeline 5 and the pipeline extend into the shell 12 of the automobile auxiliary brake system and the connection part is sealed, so that the gas pipeline 5 and the pipeline are communicated with the detection cavity of the shell 12 of the automobile auxiliary brake system, the electric telescopic rod pushes the clamping plate to clamp and fix the automobile auxiliary brake system shell 12 on the placing plate 1, meanwhile, the hydraulic cylinder 13 is started to move the piston rod downwards, the pressure plate 2 is driven to be in contact with the shell 12 of the automobile auxiliary brake system and the shell 12 of the automobile auxiliary brake system is pressed tightly, at the moment, the control system 11 automatically opens the automatic air inlet valve 6 and monitors the air pressure in the detection cavity through the pressure sensor 10, when the pressure in the detection cavity reaches the set pressure value, the control system 11 closes the automatic air inlet valve 6 and records the final pressure before air cut-off; after a specified time, for example, 10 seconds, the control system 11 detects the air pressure in the detection cavity again through the pressure sensor 10 and compares the detected value with the pressure before air cut off, and the control system 11 judges whether the air tightness of the shell 12 of the automobile auxiliary brake system is qualified or not through the compared value and displays the judgment result through the result display device; and the control system 11 controls the hydraulic cylinder 13 to ascend to lift the pressure plate 2, and the shell 12 of the automobile auxiliary braking system is taken out to finish detection. The sound absorption cotton 10 and the sound absorption pad 20 reduce the noise generated by the detection device in operation; the damping telescopic rod 16, the damping spring 17 and the buffer pad 19 have a buffering effect on the detection device, so that the impact with the ground is reduced while the detection device is ensured to run safely, the internal structure of the detection device is protected, the damage of vibration generated in the transportation process or the use process to precision parts is reduced, and the service life of the detection device is prolonged; the rollers 18 facilitate movement of the detection device.
After the judgment is finished, when the pressure plate 2 is lifted, the high-pressure gas in the detection cavity is released suddenly, and the impact can be caused on an electric telescopic rod, a shell 12 of an automobile auxiliary brake system, a hydraulic cylinder 13 and the like, therefore, the automatic exhaust valve 7 is arranged preferably, in order to simplify the gas circuit structure, the automatic exhaust valve 7 connected with the control system 11 is arranged on the gas pipeline 5 between the detection cavity and the automatic intake valve 6, after the control system 11 finishes the judgment, the automatic exhaust valve 7 is opened through the control system 11 under the condition that the automatic intake valve 6 is closed, and the pressure plate 2 is lifted again after the internal pressure and the external pressure are equal, so that the impact formed by the sudden release of the high-pressure gas.
In order to further simplify the structure and accelerate the judgment efficiency, the result display device comprises an alarm lamp 8 which displays the colors of the two, specifically, the two colors are green and red, if the air tightness is qualified, the green lamp is turned on, otherwise, the red lamp is turned on.
The air pressure is controlled by a control system 11 according to the detection signal of the pressure sensor 10, but the set value of the pressure regulating valve is larger than the air pressure before air cut off, and in order to realize different detection pressures and conveniently regulate the inflation rate, the pressure regulating valve adopts an automatic pressure regulating valve 15 connected with the control system.
The pressure sensor 10, the control system 11 and the valves in this embodiment are mounted on the column 3, with the control system 11 on top and connected to the elements by a flat cable 14.
The utility model discloses a set up shock attenuation telescopic link, damping spring and buffering pad, reduce its vibrations that produce in the transportation or the use to the damage of accurate part, inhale the production that sound cotton and amortization pad can reduce noise, can realize the tight location of clamp of car auxiliary brake system casing through setting up electric telescopic handle, the utility model has the advantages of reasonable design, easy operation, but greatly increased work efficiency in the use.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (1)
1. The utility model provides a car auxiliary brake system casing gas tightness detection device, includes the frame, its characterized in that: the frame comprises a placing plate (1), a vertical column (3) longitudinally arranged on the placing plate and a supporting plate (4) arranged at the top of the vertical column (3), an inclined support is arranged between the supporting plate (4) and the vertical column (3), an automobile auxiliary braking system shell (12) is placed on the placing plate (1), a closed detection cavity is arranged inside the automobile auxiliary braking system shell, the detection cavity is communicated with one end of a gas pipeline (5), the other end of the gas pipeline (5) is communicated with a high-pressure gas source, an air inlet valve and a pressure regulating valve are arranged on the gas pipeline (5), the air inlet valve is an automatic air inlet valve (6), the automatic air inlet valve (6) is connected with a control system (11), the pressure regulating valve is an automatic pressure regulating valve (15), the automatic pressure regulating valve (15) is connected with the control system (11), and the control system (11) is connected with a pressure sensor (10), the pressure sensor (10) is communicated with the detection cavity through a pipeline, an auxiliary barometer (9) is arranged on the pipeline, the control system (11) is connected with a result display device, a cushion pad (19) is arranged below the placing plate (1), a damping telescopic rod (16) is vertically arranged between the cushion pad (19) and the placing plate (1), a damping spring (17) is sleeved on the outer side of the damping telescopic rod (16), a silencing pad (20) is arranged below the cushion pad (19), a base (21) is arranged below the silencing pad (20), rollers (18) are arranged at the bottom of the base (21), two electric telescopic rods are arranged on the placing plate (1), the two electric telescopic rods are positioned on the left side and the right side of the automobile auxiliary brake system shell (12), clamping plates are arranged at the end parts of the two electric telescopic rods, backup pad (4) upper surface is provided with pneumatic cylinder (13), the tailpiece of the piston rod portion of pneumatic cylinder (13) passes backup pad (4) and is connected with pressure disk (2), the bottom of pressure disk (2) is provided with the rubber pad, be provided with automatic exhaust valve (7) that link to each other with control system (11) on gas pipeline (5) between detection cavity and automatic air admission valve (6), result display device is alarm lamp (8) including both demonstration colours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020300686.7U CN212300752U (en) | 2020-03-12 | 2020-03-12 | Automobile auxiliary brake system shell air tightness detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020300686.7U CN212300752U (en) | 2020-03-12 | 2020-03-12 | Automobile auxiliary brake system shell air tightness detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212300752U true CN212300752U (en) | 2021-01-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020300686.7U Expired - Fee Related CN212300752U (en) | 2020-03-12 | 2020-03-12 | Automobile auxiliary brake system shell air tightness detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212300752U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115541139A (en) * | 2022-12-01 | 2022-12-30 | 湖南湘仪动力测试仪器有限公司 | Eddy current ring leakage detection device for electric eddy current dynamometer |
-
2020
- 2020-03-12 CN CN202020300686.7U patent/CN212300752U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115541139A (en) * | 2022-12-01 | 2022-12-30 | 湖南湘仪动力测试仪器有限公司 | Eddy current ring leakage detection device for electric eddy current dynamometer |
| CN115541139B (en) * | 2022-12-01 | 2023-03-07 | 湖南湘仪动力测试仪器有限公司 | Eddy current ring leakage detection device for electric eddy current dynamometer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210105 |