CN218725103U - Quick exhaust valve test device - Google Patents
Quick exhaust valve test device Download PDFInfo
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- CN218725103U CN218725103U CN202222805857.3U CN202222805857U CN218725103U CN 218725103 U CN218725103 U CN 218725103U CN 202222805857 U CN202222805857 U CN 202222805857U CN 218725103 U CN218725103 U CN 218725103U
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- exhaust valve
- quick exhaust
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Abstract
The utility model provides a quick exhaust valve test device, which comprises a valve body positioning tool, a first communicating mechanism and a second communicating mechanism; a placing groove matched with the outer contour of the quick exhaust valve is arranged on the valve body positioning tool, the quick exhaust valve is placed in the placing groove, and the direction of a notch of the placing groove is consistent with the direction of a control opening of the quick exhaust valve; a groove is formed in the side wall of the placing groove at a position corresponding to the air inlet of the quick exhaust valve; the first communication mechanism is used for connecting a control port of the quick exhaust valve and detecting the pressure of the control port; and the second communication mechanism is used for connecting an air source and an air inlet of the quick exhaust valve. Compared with the prior art, the utility model has the advantages of, can place quick exhaust valve's valve body and pinpoint the valve body in the standing groove, make test device and quick exhaust valve body aim at fast and be connected and detect, improve detection efficiency.
Description
Technical Field
The utility model relates to a valve test technical field relates to a quick exhaust valve test device especially.
Background
During the maintenance and the application of the quick exhaust valve of the locomotive, the fault phenomenon often occurs, so that the pantograph cannot rise or automatically falls, and the running safety of the train is seriously influenced.
When the existing quick exhaust valve is used for detection and maintenance, a locomotive is required to enter a non-electric area, and a plurality of persons are required to cooperate with each other, so that the locomotive stops running for a long time, more time is consumed, the utilization rate of the locomotive is seriously influenced, the overall working efficiency is reduced, and the actual use is not facilitated. Patent CN 112326154 A9 discloses a quick exhaust valve test device for an air bag type pantograph, which does not need to install the quick exhaust valve to the pantograph and can carry out a plurality of test items in a centralized manner.
SUMMERY OF THE UTILITY MODEL
The utility model provides a quick exhaust valve test device for the quick-witted main part of short-term test quick exhaust valve arranges the performance soon, carries out accurate location through the quick exhaust valve's that treats the detection valve body, thereby realizes test device and quick exhaust valve's quick butt joint, improves test efficiency.
The utility model provides a quick exhaust valve test device, which comprises a valve body positioning tool, a first communicating mechanism and a second communicating mechanism; a placing groove matched with the outer contour of the quick exhaust valve is arranged on the valve body positioning tool, the quick exhaust valve is placed in the placing groove, and the direction of a notch of the placing groove is consistent with the direction of a control opening of the quick exhaust valve; a groove is formed in the side wall of the placing groove at a position corresponding to the air inlet of the quick exhaust valve; the first communication mechanism is used for connecting a control port of the quick exhaust valve and detecting the pressure of the control port; and the second communication mechanism is used for connecting an air source and an air inlet of the quick exhaust valve.
In one embodiment, the first communication mechanism comprises a first driving mechanism and a valve body control sealing joint, the valve body control sealing joint is used for connecting a control port of the quick exhaust valve, and a pressure sensor and a control valve are sequentially arranged on the valve body control sealing joint along the gas flowing direction; the first driving mechanism is used for driving the valve body control sealing joint to move so as to connect or disconnect the valve body control sealing joint with or from the control port of the quick exhaust valve.
In one embodiment, the first driving mechanism comprises a rotary pressing cylinder and a linkage cross column, one end of the linkage cross column is connected with the output end of the rotary pressing cylinder, and the other end of the linkage cross column is connected with the valve body control sealing joint.
In one embodiment, the second communication mechanism comprises a second drive mechanism and a valve body air inlet seal fitting; the valve body air inlet sealing joint is used for connecting an air source and the air inlet of the quick exhaust valve, and the second driving mechanism is used for driving the valve body air inlet sealing joint to move in the groove so that the valve body air inlet sealing joint is connected or disconnected with the air inlet of the quick exhaust valve.
In one embodiment, the second driving mechanism is a push-pull air cylinder, and the output end of the push-pull air cylinder is connected with the air inlet sealing joint of the valve body.
In one embodiment, the valve body positioning tool is further provided with an arc-shaped half groove communicated with the groove, and the arc-shaped half groove and the valve body air inlet sealing joint are coaxially arranged.
In one embodiment, the second communication mechanism comprises a second drive mechanism and a valve body air inlet seal fitting; the valve body air inlet sealing joint is used for connecting an air source and an air inlet of the quick exhaust valve, and the second driving mechanism is used for driving the valve body air inlet sealing joint to move in the groove so as to connect or disconnect the valve body air inlet sealing joint and the air inlet of the quick exhaust valve; the valve body air inlet sealing joint is perpendicular to the valve body control sealing joint.
In one embodiment, the test device further comprises a control unit comprising a controller for controlling the connection or disconnection of the first communication means to the inlet port of the quick exhaust valve and the connection or disconnection of the second communication means to the control port of the quick exhaust valve.
In one embodiment, the control unit further comprises a touch screen, the touch screen is in communication connection with the controller, and the touch screen is used for providing a human-computer interaction interface.
In one embodiment, the control unit further comprises a control knob in communication with the controller, the control knob being configured to deliver control commands to the controller.
Compared with the prior art, the utility model has the advantages of, can place quick exhaust valve's valve body in the standing groove, because the standing groove is quick exhaust valve's valve body customization fluting, the profile of standing groove inner wall and quick exhaust valve's outline phase-match, so can pinpoint the valve body fast, make the control mouth at quick exhaust valve body top aim at with valve body control sealing joint, the air inlet of quick exhaust valve body one side is aimed at with valve body air inlet sealing joint, the rotatory cylinder that pushes down of operation, push-and-pull cylinder, can connect quick exhaust valve and detect, but quick detection quick exhaust valve's fast row can, and the detection efficiency is improved, detect safe quick exhaust valve potential safety hazard through the many times high frequency test of circulation.
Can carry out intermittent type pressurize test simultaneously, through aerifing and breaking the main valve pressurize to quick exhaust valve, test quick exhaust valve pressurize performance, only need observe the closed back pressure instrument of gas circuit simultaneously and reveal the pressure condition, wholly use very simply, convenient, saved the time, can carry out many times test in the short time simultaneously, improved work efficiency.
Drawings
The present invention will be described in more detail hereinafter based on embodiments and with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of a rapid exhaust valve testing apparatus according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a quick exhaust valve testing device according to another embodiment of the present invention.
Reference numerals are as follows:
1. a valve body positioning tool; 2. rotating the pressing cylinder; 3. a push-pull cylinder; 4. a quick exhaust valve; 5. a cabinet body; 11. a placement groove; 12. a groove; 13. an arc-shaped half groove; 21. a linkage cross post; 22. the valve body controls the sealing joint; 31. the valve body is provided with an air inlet sealing joint; 51. a console; 52. a support plate; 53. a pressure gauge; 54. a touch screen; 55. a control knob; 56. and an indicator light.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
The quick exhaust valve 4 has three ports including an inlet port for connection to a gas source, an outlet port for venting to atmosphere and a control port for connection to an actuator such as a pantograph.
Example 1
As shown in FIG. 1, the utility model provides a quick exhaust valve test device mainly comprises valve body location frock 1, first intercommunication mechanism and second intercommunication mechanism triplex, and these triplex can set up on a backup pad 52 to test device's stability and bulk movement. Wherein, valve body location frock 1 is used for pinpointing the valve body of quick vent valve 4 to in test device and valve body can aim at fast and be connected, improve test efficiency. The first communication mechanism is used for connecting a control port of the quick exhaust valve and detecting the pressure of the control port; the second communicating mechanism is used for connecting the air source and the air inlet of the quick exhaust valve.
The outer contour matched containing groove 11 with quick exhaust valve 4 is seted up at 1 top of valve body location frock, and the notch of containing groove 11 is seted up, and quick exhaust valve 4 can put into containing groove 11 via the notch in, put into the back, and quick exhaust valve 4's control mouth is unanimous with the orientation of the notch of containing groove 11 up. The groove 12 is formed in the position, corresponding to the air inlet of the quick exhaust valve 4, on the side wall of the placing groove 11, the groove 12 is communicated with the inner space and the outer space of the placing groove 11, and therefore after the quick exhaust valve 4 is placed into the placing groove 11, the air inlet can be exposed in the groove 12.
The first communication mechanism is mainly composed of a first driving mechanism and a valve body control sealing joint 22.
The valve body control sealing joint 22 is used for connecting a control port of the quick exhaust valve 4, and a pressure sensor and a first control valve (not shown in the figure) are sequentially arranged on the valve body control sealing joint 22 along the gas flowing direction, wherein the pressure sensor is used for detecting the gas pressure of the control port, and the first control valve is used for controlling the on-off of a gas path in the valve body control sealing joint 22.
The first driving mechanism is used for driving the valve body control sealing joint 22 to move so as to connect or disconnect the valve body control sealing joint 22 with or from the control port of the quick exhaust valve 4. The first driving mechanism mainly comprises a rotary pressing cylinder 2 and a linkage cross column 21, wherein one end of the linkage cross column 21 is connected with the output end of the rotary pressing cylinder 2, and the other end of the linkage cross column is connected with a valve body control sealing joint 22.
The rotary pressing cylinder 2 drives the valve body control sealing joint 22 to rotate to the position right above the valve body positioning tool 1 through the linkage cross column 21, so that the valve body control sealing joint 22 is aligned with a control port of the quick exhaust valve 4 in the placing groove 11, and after alignment, the rotary pressing cylinder 2 drives the valve body control sealing joint 22 to press down through the linkage cross column 21 to be tightly pressed with the control port of the quick exhaust valve 4, and connection is completed. After the test is finished, the rotary pressing cylinder 2 drives the valve body control sealing joint 22 to ascend through the linkage cross column 21 so as to disconnect the valve body control sealing joint 22 from the control port of the quick exhaust valve 4, and then the rotary pressing cylinder 2 drives the valve body control sealing joint 22 to rotate through the linkage cross column 21 so as to move away from the position right above the valve body positioning tool 1, so that the quick exhaust valve 4 can be taken out of the placing groove 11.
The second communication mechanism mainly comprises a second driving mechanism and a valve body air inlet sealing joint 31.
The valve body air inlet sealing joint 31 is used for connecting an air source with an air inlet of the quick exhaust valve 4, a second control valve (not shown in the figure) can be arranged on an air path in the valve body air inlet sealing joint 31 or a connecting pipeline between the valve body air inlet sealing joint 31 and the air source, and the on-off of the air path between the air source and the air inlet of the quick exhaust valve 4 is controlled through the second control valve.
The second driving mechanism is used for driving the valve body inlet sealing joint 31 to move in the groove 12 so as to connect or disconnect the valve body inlet sealing joint 31 with or from the air inlet of the quick exhaust valve 4. The second driving mechanism preferably selects a push-pull cylinder 3, the output end of the push-pull cylinder 3 is connected with a valve body air inlet sealing joint 31, and the valve body air inlet sealing joint 31 is aligned with the groove 12 on the valve body positioning tool 1. After the quick exhaust valve 4 is placed in the placing groove 11, the air inlet of the quick exhaust valve 4 is aligned with the groove 12, and the push-pull air cylinder 3 pushes the valve body air inlet sealing joint 31 to move along the groove 12 to tightly press the air inlet of the quick exhaust valve 4, so that the valve body air inlet sealing joint 31 is connected with the air inlet of the quick exhaust valve 4. After the test is finished, the push-pull cylinder 3 pulls the valve body air inlet sealing joint 31 to enable the valve body air inlet sealing joint 31 to gradually withdraw from the groove 12, and therefore the valve body air inlet sealing joint 31 is disconnected with an air inlet of the quick exhaust valve 4.
In a preferred embodiment, the valve body positioning tool 1 is further provided with an arc-shaped half groove 13 communicated with the groove 12, the arc-shaped half groove 13 and the valve body air inlet sealing joint 31 are coaxially arranged, the arc-shaped half groove 13 plays a guiding role, and the auxiliary valve body air inlet sealing joint 31 is connected with an air inlet of the quick exhaust valve 4 in a quick alignment manner.
On the basis of the above embodiment, the valve body air inlet sealing joint 31 and the valve body control sealing joint 22 are preferably perpendicular to each other, so that the sealing performance between the two is improved, no air pressure leakage is generated, and thus the detection data of the quick exhaust valve main body can be more accurate.
Example 2
On the basis of the embodiment 1, in order to further improve the test efficiency, a control unit can be additionally arranged to realize the automatic control of the quick exhaust valve test device. The control unit comprises a controller (not shown in the figure), a touch screen 54 and a control knob 55, as shown in fig. 2, the testing device can be carried by the cabinet 5, the cabinet 5 has a supporting plate 52 and a console 51, the valve body positioning tool 1, the first communicating mechanism and the second communicating mechanism are arranged on the supporting plate 52, and the controller, the touch screen 54 and the control knob 55 are arranged on the console 51.
The controller is connected with the rotary pressing cylinder 2, the push-pull cylinder 3, the pressure sensor, the first control valve and the second control valve. The controller controls the connection or disconnection of the valve body control sealing joint 22 and the control port of the quick exhaust valve 4 by controlling the action of the rotary pressing cylinder 2, and controls the connection or disconnection of the valve body air inlet sealing joint 31 and the air inlet of the quick exhaust valve 4 by controlling the action of the push-pull cylinder 3; the controller controls the charging of the quick exhaust valve 4 by controlling the on-off of the second control valve, and controls the exhaust and pressure maintaining of the quick exhaust valve 4 by controlling the on-off of the first control valve.
The PLC controller is preferably selected by the controller, the PLC controller controls the test device to operate according to the program flow, and the control principle and method of the PLC are the existing mature technology, so that the control principle and method are not repeated in the application.
The touch screen 54 is in communication connection with the controller, the touch screen 54 is used for providing a man-machine interaction interface, and control instructions can be input through the touch screen 54 and sent to the controller during testing, so that the operation of the testing device is controlled. The touch screen 54 may also display the pressure at the control port in real time.
The control knob 55 is in communication connection with the controller, and can transmit a control command to the controller through the control knob 55 so as to control the operation of the test device. At least two control knobs 55 are arranged, one control knob is a total voltage control knob 55 and is used for controlling the power supply of the whole test device to be switched on and off; the other is an air source control knob 55, which is used for controlling the on-off of a second control valve on the air path between the air source and the air inlet.
The control console 51 is also provided with two indicator lamps 56, one is a power indicator lamp 56 for indicating whether the power of the whole test device is on or off; an air supply indicator lamp 56 is provided to indicate whether the air supply passage is open or closed. The control console 51 is also provided with a pressure instrument 53, a quick exhaust valve 4, and working pressures of the rotary pressing cylinder 2 and the push-pull cylinder 3.
The quick release valve experiment was controlled by two program flows.
The first process is as follows: exhaust gas test
After an operator operates an exhaust experiment on the touch screen 54, the two cylinders of the PLC controller operate to clamp the valve body of the quick exhaust valve 4, so that the valve body control sealing joint 22 is connected with the control port of the quick exhaust valve 4, the valve body air inlet sealing joint 31 is connected with the air inlet of the quick exhaust valve 4, and the quick exhaust valve 4 is inflated; and then controlling the first control valve to control the on-off of the air path of the top control port of the quick exhaust valve 4 according to the set frequency, so that the quick exhaust valve 4 is quickly flushed and exhausted to detect the exhaust performance of the quick exhaust valve 4. After the test process is finished, the PLC controls the two cylinders to automatically release the valve body of the quick exhaust valve 4, so that the valve body control sealing joint 22 is disconnected with the control port of the quick exhaust valve 4, and the valve body air inlet sealing joint 31 is disconnected with the air inlet of the quick exhaust valve 4.
And a second process: pressure maintaining experiment
After the operation pressure experiment is performed on the touch screen 54 by an operator, the two cylinders of the PLC controller operate to clamp the valve body of the quick exhaust valve 4, so that the valve body control sealing joint 22 is connected with the control port of the quick exhaust valve 4, the valve body air inlet sealing joint 31 is connected with the air inlet of the quick exhaust valve 4, the quick exhaust valve 4 is inflated, and the first control valve is controlled to be closed. After the process is finished, the second electromagnetic valve is closed, so that the pressure instrument 53 and the valve body section gas path of the quick exhaust valve 4 are closed. The flow keeps a set time, and at the moment, if the air pressure of the pressure instrument 53 does not drop, the valve body of the quick exhaust valve 4 can be judged to be in good air tightness and free from leakage.
While the invention has been described with reference to a preferred embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. The present invention is not intended to be limited to the particular embodiments disclosed herein, but rather to include all embodiments falling within the scope of the appended claims.
Claims (10)
1. A quick exhaust valve test device is characterized by comprising a valve body positioning tool, a first communicating mechanism and a second communicating mechanism; a placing groove matched with the outer contour of the quick exhaust valve is arranged on the valve body positioning tool, the quick exhaust valve is placed in the placing groove, and the direction of a notch of the placing groove is consistent with the direction of a control opening of the quick exhaust valve; a groove is formed in the side wall of the placing groove at a position corresponding to the air inlet of the quick exhaust valve; the first communication mechanism is used for connecting a control port of the quick exhaust valve and detecting the pressure of the control port; and the second communication mechanism is used for connecting the air source and the air inlet of the quick exhaust valve.
2. The quick exhaust valve test device according to claim 1, wherein the first communication mechanism comprises a first driving mechanism and a valve body control sealing joint, the valve body control sealing joint is used for connecting a control port of the quick exhaust valve, and a pressure sensor and a control valve are sequentially arranged on the valve body control sealing joint along the gas flow direction; the first driving mechanism is used for driving the valve body control sealing joint to move so as to connect or disconnect the valve body control sealing joint with or from the control port of the quick exhaust valve.
3. The rapid exhaust valve testing apparatus according to claim 2, wherein the first driving mechanism comprises a rotary push-down cylinder and a linkage cross-post, one end of the linkage cross-post is connected to an output end of the rotary push-down cylinder, and the other end of the linkage cross-post is connected to the valve body control sealing joint.
4. The quick exhaust valve test apparatus of claim 1 wherein said second communication means comprises a second drive means and a valve body inlet seal fitting; the valve body air inlet sealing joint is used for connecting an air source and the air inlet of the quick exhaust valve, and the second driving mechanism is used for driving the valve body air inlet sealing joint to move in the groove so that the valve body air inlet sealing joint is connected or disconnected with the air inlet of the quick exhaust valve.
5. The quick exhaust valve test apparatus according to claim 4, wherein the second driving mechanism is a push-pull cylinder, and an output end of the push-pull cylinder is connected to the valve body air inlet sealing joint.
6. The quick exhaust valve testing device according to claim 4, characterized in that the valve body positioning tool is further provided with an arc-shaped half groove communicated with the groove, and the arc-shaped half groove is coaxially arranged with the valve body air inlet sealing joint.
7. The quick exhaust valve test apparatus of claim 2 wherein said second communication means comprises a second drive means and a valve body inlet seal fitting; the valve body air inlet sealing joint is used for connecting an air source and an air inlet of the quick exhaust valve, and the second driving mechanism is used for driving the valve body air inlet sealing joint to move in the groove so as to connect or disconnect the valve body air inlet sealing joint and the air inlet of the quick exhaust valve; the valve body air inlet sealing joint is perpendicular to the valve body control sealing joint.
8. The quick exhaust valve test apparatus according to any one of claims 1 to 7 further comprising a control unit including a controller for controlling the connection or disconnection of the first communication means to the inlet port of the quick exhaust valve and the connection or disconnection of the second communication means to the control port of the quick exhaust valve.
9. The rapid exhaust valve testing apparatus of claim 8, wherein the control unit further comprises a touch screen, the touch screen is in communication with the controller, and the touch screen is configured to provide a human-computer interface.
10. The quick exhaust valve test apparatus of claim 8 wherein said control unit further comprises a control knob, said control knob being communicatively coupled to said controller, said control knob being configured to transmit control commands to said controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222805857.3U CN218725103U (en) | 2022-10-24 | 2022-10-24 | Quick exhaust valve test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222805857.3U CN218725103U (en) | 2022-10-24 | 2022-10-24 | Quick exhaust valve test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218725103U true CN218725103U (en) | 2023-03-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222805857.3U Active CN218725103U (en) | 2022-10-24 | 2022-10-24 | Quick exhaust valve test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218725103U (en) |
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2022
- 2022-10-24 CN CN202222805857.3U patent/CN218725103U/en active Active
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