CN211291906U - On-line test stand for tightness of clutch booster - Google Patents
On-line test stand for tightness of clutch booster Download PDFInfo
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- CN211291906U CN211291906U CN201922250498.8U CN201922250498U CN211291906U CN 211291906 U CN211291906 U CN 211291906U CN 201922250498 U CN201922250498 U CN 201922250498U CN 211291906 U CN211291906 U CN 211291906U
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- air cylinder
- clutch booster
- air
- differential pressure
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Abstract
The utility model discloses a clutch booster leakproofness online test platform, it examines time measuring at singleness to clutch booster gas tightness to have solved conventional detection device, measurement accuracy is not enough, relative cost is also higher, its technical scheme main points seal gas transmission through being equipped with first cylinder and second cylinder respectively to clutch booster's air inlet and oil inlet, detect the differential pressure by differential pressure sensor between the two again, all input and detection volume all accessible display element show, reached the accurate measurement to clutch booster gas tightness, make things convenient for personnel to observe and use.
Description
Technical Field
The utility model relates to a stopper check out test set technical field, more specifically says, it relates to an online test bench of clutch booster leakproofness.
Background
The clutch booster is a main component of an automobile clutch booster device, can reduce the operating force of a driver on a clutch pedal, is an important element in automobile running, and has the performance such as air tightness which can influence the running safety of an automobile, so that the air tightness detection of the clutch booster is an important means for ensuring the safe running of the automobile.
At present, the invention of China, with publication number CN102818709, discloses a device for testing the comprehensive performance of an automobile clutch booster, which comprises a liquid crystal display, a clamping mechanism, a loading mechanism, a keyboard area, a computer, a control box and a power device, wherein the clutch booster is firmly supported by the clamping mechanism and the loading mechanism, signals are read by various sensors on the power device and input to the computer, and the signals are displayed by the liquid crystal display after being analyzed and processed by the computer.
Although the device can comprehensively test the comprehensive performance of the clutch booster, the measurement accuracy is not enough and the cost is higher when the airtightness of the clutch booster is singly detected.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a can carry out single accurate measurement's online laboratory bench of clutch booster leakproofness to clutch booster gas tightness.
In order to achieve the purpose, the utility model provides a following technical scheme, clutch booster leakproofness on-line test platform, including workstation and clutch booster, clutch booster includes air inlet and oil inlet, be equipped with detection mechanism and control mechanism on the workstation, detection mechanism includes first cylinder, second cylinder and benchmark container, first cylinder is used for supplying air to benchmark container and clutch booster, be equipped with the rubber sealing head rather than fixed connection on the first cylinder output shaft, the rubber sealing head with the air inlet is sealed to be cooperated, be equipped with differential pressure sensor between rubber sealing head and the first cylinder, second cylinder output shaft is towards ground and with oil inlet sealed cooperation, first cylinder and second cylinder all are equipped with baroceptor, be equipped with clamping part on the base, clamping part is used for fixing first cylinder, The control mechanism comprises a control button and a display component, and the first cylinder and the second cylinder are electrically connected with the control button.
By adopting the technical scheme, the first air cylinder and the second air cylinder respectively carry out sealed air transmission on the air inlet and the oil inlet of the clutch assisting power, the differential pressure sensor between the first air cylinder and the second air cylinder detects the differential pressure, and all input quantity and detected quantity can be displayed through the display component.
The utility model discloses further set up to: the display component comprises an air pressure area, a leakage differential pressure area and a performance curve area, wherein the air pressure area is used for displaying the input quantity of the first cylinder and the input quantity of the second cylinder, the leakage differential pressure area is used for displaying the differential pressure between the reference container and the clutch booster, and the performance curve area is used for displaying the change curve of pressure and time.
By adopting the technical scheme, the input air pressure and the differential pressure, namely the pressure change along with time can be observed.
The utility model discloses further set up to: the clamping part comprises a connecting plate and a connecting platform, the connecting platform is fixedly connected with the second air cylinder, the connecting plate is fixedly connected with the first air cylinder, and the connecting plate and the connecting platform are fixedly connected with the workbench through bolts.
Through adopting above-mentioned technical scheme, the totality device is fixed on the workstation, makes things convenient for operating personnel to use to clutch booster's fixed when conveniently detecting the leakproofness.
To sum up, the utility model has the advantages of as follows: can measure clutch booster non-work leakproofness and two kinds of states of work leakproofness, can accurate detection clutch booster's sealed situation, the totality device is simple to use, and differential pressure and input atmospheric pressure all accessible display part show, make things convenient for operating personnel's control and observation, and the totality reasonable in design, easy operation.
Drawings
Fig. 1 is a general structure diagram of the present embodiment of the invention;
in the figure, 1, a workbench; 2. a clutch booster; 3. an air inlet; 4. an oil inlet; 5. a rubber sealing head; 6. a differential pressure sensor; 7. a reference container; 8. a performance curve region; 9. testing the air pressure area; 10. a leakage differential pressure zone; 11. a control button; 12. a clamping member; 13. a display section; 14. an air pressure sensor; 15. a second cylinder; 16. a first cylinder; 121. a connecting table; 122. a connecting plate.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
as shown in fig. 1, the clutch booster 2 includes an oil inlet 4 and an air inlet 3, a clamping component 12 is used in operation, the clamping component 12 is bolted to the workbench 1, a first cylinder 16 is fixedly connected to the connecting plate 122, a rubber sealing head 5 is arranged on an output shaft of the first cylinder 16 and is fixedly connected to the first cylinder, the rubber sealing head 5 is in sealing fit with the air inlet 3 of the clutch booster 2, and a differential pressure sensor 6 is further arranged between the rubber sealing head 5 and the first cylinder 16.
As shown in fig. 1, a reference container 7 is arranged inside the working table 1, the first cylinder 16 is connected with the reference container 7 through a pipeline, that is, the first cylinder 16 is used for supplying air to the reference container 7 and the clutch booster 2, the second cylinder 15 is fixedly connected to the connecting table 121, an output port of the second cylinder 15 faces to the oil inlet 4 of the clutch booster 2, and an output end of the second cylinder 15 is in sealing fit with the oil inlet 4, so that after the clutch booster 2 is sealed, the differential pressure sensor 6 can detect the differential pressure between the reference container 7 and the clutch booster 2.
As shown in fig. 1, a display unit 13 is further disposed on the working table 1, the display unit 13 includes an air pressure region for displaying the input amount of the first cylinder 16 and the input amount of the second cylinder 15, a leakage differential region 10 for displaying the differential pressure between the reference container 7 and the clutch booster 2, and a performance curve region 8 for displaying the change curve of the pressure and the time.
When the device works specifically, 0-0.8MPa of gas is input into the gas inlet 3, 1-2MPa of high-pressure gas is input into the oil inlet 4 to replace hydraulic pressure, and the two cavities are detected by adopting a differential pressure comparison method and can be divided into non-working sealing detection and working sealing detection.
When the pressure sensor is located at the non-working sealing performance detection position, air pressure is not input into the oil inlet 4, an operator inputs the first air cylinder 16 into the air inlet 3 and the reference container 7 automatically through the control button 11 to test air pressure, after the air pressure is input and is balanced for a certain time, whether large leakage exists is judged through the display of the leakage differential pressure zone 10, if yes, the alarm exits, if not, the differential pressure test process is started, the differential pressure sensor 6 detects the pressure difference between the clutch booster 2 and the reference container 7, at the moment, the test air pressure zone 9 displays the test pressure, the leakage differential pressure zone 10 displays the differential pressure, and meanwhile, the performance curve zone 8 can display a pressure-time curve and a pressure drop-time curve.
When the working tightness is detected, the control button 11 controls the first cylinder 16 to automatically input set low test air pressure to the air inlet 3 and the reference container 7, the second cylinder 15 inputs high test air pressure to the oil inlet 4 and the reference container 7, after pressure balance for a certain time is carried out after input, whether obvious leakage exists is judged through the leakage differential pressure area 10, if yes, alarm quit is carried out, if not, a differential pressure test process is carried out, the differential pressure sensor 6 detects the differential pressure between the clutch booster 2 and the reference container 7, and the display part 13 displays the data and the change of each part of the data.
The above-mentioned embodiments are merely illustrative of the present invention, and are not intended to limit the present invention, and those skilled in the art can make modifications of the present embodiments without inventive contribution as required after reading the present specification, but all the embodiments are protected by patent law within the scope of the present invention.
Claims (5)
1. The utility model provides a clutch booster (2) leakproofness online test platform, includes workstation (1) and clutch booster (2), its characterized in that: the clutch booster (2) comprises an air inlet (3) and an oil inlet (4), a detection mechanism and an operation mechanism are arranged on the workbench (1), the detection mechanism comprises a first air cylinder (16), a second air cylinder (15) and a reference container (7), the first air cylinder (16) is used for supplying air to the reference container (7) and the clutch booster (2), a rubber sealing head (5) fixedly connected with the first air cylinder (16) is arranged on an output shaft of the first air cylinder (16), the rubber sealing head (5) is in sealing fit with the air inlet (3), a differential pressure sensor (6) is arranged between the rubber sealing head (5) and the first air cylinder (16), an output shaft of the second air cylinder (15) faces the ground and is in sealing fit with the oil inlet (4), an air pressure sensor (14) is arranged on each of the first air cylinder (16) and the second air cylinder (15), a clamping part (12) is arranged on the workbench (1), the clamping component (12) is used for fixing a first air cylinder (16) and a second air cylinder (15), the control mechanism comprises a control button (11) and a display component (13), and the first air cylinder (16) and the second air cylinder (15) are electrically connected with the control button (11).
2. The online test bench for the sealing performance of the clutch booster (2) according to claim 1 is characterized in that: the display part (13) comprises a test air pressure area (9), a leakage differential pressure area (10) and a performance curve area (8), the test air pressure area (9) is used for displaying the input quantity of the first air cylinder (16) and the input quantity of the second air cylinder (15), the leakage differential pressure area (10) is used for displaying the differential pressure between the reference container (7) and the clutch booster (2), and the performance curve area (8) is used for displaying the change curve of pressure and time.
3. The online test bench for the sealing performance of the clutch booster (2) according to claim 1 is characterized in that: the clamping part (12) comprises a connecting plate (122) and a connecting table (121), the connecting table (121) is fixedly connected with the second air cylinder (15), the connecting plate (122) is fixedly connected with the first air cylinder (16), and the connecting plate (122) and the connecting table (121) are fixedly connected with the workbench (1) through bolts.
4. The online test bench for the sealing performance of the clutch booster (2) according to claim 1 is characterized in that: the reference container (7) is located inside the station table, and the reference container (7) is in pneumatic connection with the first air cylinder (16).
5. The online test bench for the sealing performance of the clutch booster (2) according to claim 1 is characterized in that: the workbench (1) is provided with an aluminum alloy frame, and the table top is made of stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922250498.8U CN211291906U (en) | 2019-12-13 | 2019-12-13 | On-line test stand for tightness of clutch booster |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922250498.8U CN211291906U (en) | 2019-12-13 | 2019-12-13 | On-line test stand for tightness of clutch booster |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211291906U true CN211291906U (en) | 2020-08-18 |
Family
ID=72019181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922250498.8U Active CN211291906U (en) | 2019-12-13 | 2019-12-13 | On-line test stand for tightness of clutch booster |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211291906U (en) |
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2019
- 2019-12-13 CN CN201922250498.8U patent/CN211291906U/en active Active
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