CN221078040U - Shut-off valve calibration device - Google Patents
Shut-off valve calibration device Download PDFInfo
- Publication number
- CN221078040U CN221078040U CN202322755950.2U CN202322755950U CN221078040U CN 221078040 U CN221078040 U CN 221078040U CN 202322755950 U CN202322755950 U CN 202322755950U CN 221078040 U CN221078040 U CN 221078040U
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- Prior art keywords
- wall
- oil
- oil tank
- stop valve
- valve
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- 238000010438 heat treatment Methods 0.000 claims abstract description 7
- 238000012795 verification Methods 0.000 claims abstract description 6
- 238000002347 injection Methods 0.000 claims description 9
- 239000007924 injection Substances 0.000 claims description 9
- 239000002828 fuel tank Substances 0.000 abstract description 6
- 239000000446 fuel Substances 0.000 abstract 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 10
- 238000000034 method Methods 0.000 description 6
- 229910052757 nitrogen Inorganic materials 0.000 description 5
- 238000004088 simulation Methods 0.000 description 5
- 230000000630 rising effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Landscapes
- Housings And Mounting Of Transformers (AREA)
Abstract
The utility model relates to the technical field of instrument verification equipment, and discloses a stop valve verification device, which comprises an oil tank, an oil pipe, a stop valve and the following components: the utility model relates to a fuel tank, which is characterized in that a threaded telescopic pipe is inserted on the outer wall of the top of the fuel tank, one end of a fuel pipe is inserted at the top end of the threaded telescopic pipe, a supporting rod is fixedly arranged on the outer wall of one side of the fuel tank, a supporting mechanism is arranged on the outer wall of the top of the supporting rod, a conservator is arranged at the top of the supporting mechanism, a heating part is arranged at a position, close to the upper side, inside the fuel tank, a stop valve is inserted at the port of the fuel pipe, and a pressurizing mechanism is arranged on the outer wall of one side of the fuel tank.
Description
Technical Field
The utility model relates to the technical field of instrument verification equipment, in particular to a stop valve verification device.
Background
The oil immersed transformer is an important device of a transformer substation and a power plant, a large amount of flammable and explosive transformer oil is contained in the oil immersed transformer body, a fixed automatic fire extinguishing system is arranged for security, a current common oil discharging and nitrogen injecting fire extinguishing system is provided with a stop valve, the stop valve is of a counterweight structure, the position indication of the opening and closing state of the valve can be directly observed, the manual reset function is realized, the stop valve is in an opening state when the main transformer is normally put into operation, and when the transformer breaks out of fire, the valve for automatically cutting off the oil flow from a transformer oil pillow to a transformer oil tank can be used for testing by using a checking device before use.
In the prior art (publication number CN114354178a, patent name is a chinese patent application of a method for checking and checking a stop valve for an oil immersed transformer fire extinguishing device), the method comprises a transformer oil discharge simulation device, a simulation oil conservator, a flowmeter and a pipeline, when a fire condition is simulated by the transformer oil discharge simulation device, an oil discharge process of a transformer oil tank is performed, and oil is replenished to the transformer oil discharge simulation device through the oil conservator and the stop valve to be detected, so that an actual working process of the stop valve can be simulated. In the process of realizing the technical scheme, the inventor finds that at least the following problems exist in the prior art:
in practical application, when the device is used, the height of the oil conservator and the internal temperature of the oil tank cannot be adjusted, and the condition of the oil drainage and nitrogen injection fire extinguishing system cannot be effectively and accurately simulated under the use condition, so that a shut-off valve checking device is needed to solve the problem.
Disclosure of utility model
The utility model aims to provide a stop valve calibration device, which solves the problems that the height of a conservator and the internal temperature of an oil tank cannot be adjusted when the device provided in the background art is used, and an oil discharge and nitrogen injection fire extinguishing system cannot be effectively and accurately simulated under the use condition.
In a first aspect, the present utility model provides a shut-off valve verification apparatus comprising a tank, an oil line, and a shut-off valve, further comprising: the oil tank is characterized in that a threaded telescopic pipe is inserted on the outer wall of the top of the oil tank, one end of the oil pipe is inserted at the top end of the threaded telescopic pipe, a supporting rod is fixedly installed on the outer wall of one side of the oil tank, a supporting mechanism is arranged on the outer wall of the top of the supporting rod, a conservator is installed at the top of the supporting mechanism, a heating part is arranged at a position, close to the upper side, inside the oil tank, a stop valve is inserted at the port of the oil pipe, and a pressurizing mechanism is arranged on the outer wall of one side of the oil tank.
In specific embodiments, the supporting mechanism includes the fixed plate, fixed plate fixed mounting is on the top outer wall of bracing piece, the equal fixed mounting in both sides of fixed plate top outer wall has electronic cylinder, the top fixed mounting of electronic cylinder extension rod has the supporting shoe, fixed mounting has the supporting seat on the top outer wall of supporting shoe, conservator fixed mounting is in the inside of supporting seat.
In a specific embodiment, the heating component comprises a connecting plate, the connecting plate is fixedly installed at a position close to the upper side of the inner wall of the oil tank, and an electric heater is fixedly installed on the outer wall of the top of the connecting plate.
In a specific embodiment, the pressurizing mechanism comprises a mounting plate, the mounting plate is fixed on one side outer wall of the oil tank through bolts, a pressurizing pump is fixed on the top outer wall of the mounting plate through bolts, and one end of the pressurizing pump is located inside the oil tank.
In a specific embodiment, an exhaust pipe is inserted into the position, close to the top, of the outer wall of one side of the oil tank, and an exhaust valve is installed at a port of the exhaust pipe.
In a specific embodiment, an electromagnetic valve and a first flow meter are sequentially installed at one end of the oil pipe, and the electromagnetic valve and the first flow meter are located between the oil conservator and the stop valve.
In a specific embodiment, the oil pipe is provided with a continuous electrical device at one end near the stop valve, and the continuous electrical device is positioned between the stop valve and the threaded telescopic pipe.
In a specific embodiment, one end of the oil pipe is sequentially provided with a pressure gauge and a second flow meter, and the pressure gauge and the second flow meter are positioned between the relay and the threaded telescopic pipe.
In a specific embodiment, a pressure gauge and a thermometer are inserted into one side of the outer wall of the top of the oil tank.
In a specific embodiment, an injection pipe is inserted into the position, close to the top, of the outer wall of the back of the oil tank.
According to the check device for the stop valve, provided by the utility model, the main components of the oil discharging and nitrogen injecting fire extinguishing device of the oil immersed transformer are simulated through the arranged oil tank and the oil conservator, then the height of the oil conservator can be adjusted through the electric cylinder, the threaded telescopic pipe is matched with the adjustment of the electric cylinder, and the condition of temperature rise in the oil tank is simulated through arranging the electric heater in the oil tank, so that the condition of slight deformation of the oil pipe during temperature rise is simulated, and the check of the stop valve is facilitated.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic overall structure of an embodiment of the present utility model.
Fig. 2 is a schematic diagram of a back structure of an embodiment of the present utility model.
Fig. 3 is a schematic diagram of the overall structure of an oil pipe according to an embodiment of the present utility model.
Fig. 4 is a schematic structural diagram of a supporting mechanism according to an embodiment of the utility model.
Fig. 5 is a schematic view of the internal structure of the fuel tank according to the embodiment of the utility model.
Icon: 1. an oil tank; 2. a support rod; 3. a fixing plate; 4. an electric cylinder; 5. a support base; 6. a conservator; 7. an oil pipe; 8. an electromagnetic valve; 9. a shut-off valve; 10. a power supply; 11. a threaded telescopic tube; 12. a pressure gauge; 13. a thermometer; 14. an exhaust valve; 15. an exhaust pipe; 16. a booster pump; 17. a mounting plate; 18. an injection tube; 19. a first flow meter; 20. a pressure gauge; 21. a second flow meter; 22. a support block; 23. a connecting plate; 24. an electric heater.
Detailed Description
Because the device is in the prior art when using, the inside temperature of conservator height and oil tank can't be adjusted, can't the condition under the use of accurate simulation oil drainage nitrogen injection fire extinguishing systems. Therefore, the inventor provides a check device of a stop valve through research, can adjust the height of conservator through electric cylinder, through setting up electric heater in the oil tank inside, simulate the condition that the oil tank is inside to the direct check of stop valve of being convenient for, thereby solve above-mentioned defect.
Some embodiments of the present utility model are described in detail below with reference to the accompanying drawings. The following embodiments and features of the embodiments may be combined with each other without conflict.
Referring to fig. 1 to 5, an embodiment of the present utility model provides a check device for a stop valve, including an oil tank 1, an oil pipe 7, and a stop valve 9, and further including: the top outer wall of the oil tank 1 is inserted with a threaded telescopic pipe 11, one end of the oil pipe 7 is inserted at the top end of the threaded telescopic pipe 11, a supporting rod 2 is fixedly installed on one side outer wall of the oil tank 1, a supporting mechanism is arranged on the top outer wall of the supporting rod 2, a conservator 6 is installed at the top of the supporting mechanism, a heating part is arranged at a position, close to the upper side, inside the oil tank 1, a stop valve 9 is inserted at a port of the oil pipe 7, and a pressurizing mechanism is arranged on one side outer wall of the oil tank 1.
Further, supporting mechanism includes fixed plate 3, fixed plate 3 fixed mounting is on the top outer wall of bracing piece 2, the equal fixed mounting in both sides of fixed plate 3 top outer wall has electric cylinder 4, the top fixed mounting of electric cylinder 4 extension rod has supporting shoe 22, fixed mounting has supporting seat 5 on the top outer wall of supporting shoe 22, the inside at supporting seat 5 is fixed to the 6 fixed mounting of conservator, in the time of fixed conservator 6 through electric cylinder 4, be convenient for adjust the height of conservator 6 as required, increase the reliability of stop valve check-up work.
Further, the heating component comprises a connecting plate 23, the connecting plate 23 is fixedly arranged at a position, close to the upper side, of the inner wall of the oil tank 1, an electric heater 24 is fixedly arranged on the outer wall of the top of the connecting plate 23, and the electric heater 24 is arranged in the oil tank 1 to simulate the temperature rising condition of the oil tank 1, so that the oil pipe 7 is convenient to simulate the temperature rising condition to generate fine deformation.
Further, the pressurizing mechanism comprises a mounting plate 17, the mounting plate 17 is fixed on one side outer wall of the oil tank 1 through bolts, a pressurizing pump 16 is fixed on the top outer wall of the mounting plate 17 through bolts, one end of the pressurizing pump 16 is located inside the oil tank 1, and the pressurizing pump 16 is arranged to facilitate pressurizing the inside of the oil tank 1, so that the stop valve 9 works.
Further, an exhaust pipe 15 is inserted in a position, close to the top, of the outer wall of one side of the oil tank 1, and an exhaust valve 14 is installed at a port of the exhaust pipe 15, so that when the internal pressure of the oil tank 1 is overlarge, the exhaust pipe 15 is used for exhausting air.
Further, the solenoid valve 8 and the first flow meter 19 are installed in proper order to oil pipe 7 one end, and solenoid valve 8 and first flow meter 19 are located between the conservator 6 and stop valve 9, through solenoid valve 8 that sets up, are convenient for adjust the flow of conservator 6 to the oil circuit of oil tank 1.
Further, the oil pipe 7 is provided with a continuous electric appliance 10 at one end near the stop valve 9, and the continuous electric appliance 10 is arranged between the stop valve 9 and the threaded telescopic pipe 11.
Further, one end of the oil pipe 7 is sequentially provided with a pressure gauge 20 and a second flow gauge 21, the pressure gauge 20 and the second flow gauge 21 are positioned between the relay 10 and the threaded telescopic pipe 11, and check data of the stop valve 9 can be conveniently obtained after observation and comparison by arranging the first flow gauge 19, the pressure gauge 20 and the second flow gauge 21.
Further, a pressure gauge 12 and a thermometer 13 are inserted into one side of the top outer wall of the oil tank 1, and the pressure and the temperature inside the oil tank 1 are displayed through the pressure gauge 12 and the thermometer 13.
Furthermore, the injection pipe 18 is inserted in the position of the outer wall of the back of the oil tank 1, which is close to the top, and the oil is conveniently injected into the oil tank 1 through the injection pipe 18.
To sum up, the height of the oil conservator 6 can be adjusted through the electric cylinder 4, and the electric heater 24 is arranged in the oil tank 1 to simulate the temperature rising condition in the oil tank 1, so that the check of the stop valve 9 is convenient.
Working principle: the device is characterized in that proper oil can be injected into the oil tank 1 through the injection pipe 18, after all parts of the device are installed and connected, the device is simulated to be an oil-immersed transformer oil-discharging nitrogen-injecting fire extinguishing device, then the height of the oil conservator 6 can be adjusted through the electric cylinder 4, the threaded telescopic pipe 11 is matched with the adjustment of the electric cylinder 4, the electric heater 24 is arranged in the oil tank 1, the temperature rising condition in the oil tank 1 is simulated, the situation that the oil pipe 7 generates fine deformation when the temperature rises is convenient to simulate, the booster pump 16 is started to pressurize the oil tank 1, the pressure gauge 12 displays the pressure, the internal fault of the transformer is simulated, the situation that the internal pressure of the oil tank 1 is increased is realized, the oil way of the oil conservator 6 to the oil tank 1 is cut off after the stop valve 9 receives the pressure signal, a plurality of experiments are carried out, and the changes of the first flow gauge 19, the second flow gauge 21 and the pressure gauge 20 are observed in the process, so that the check of the stop valve 9 is completed.
The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (10)
1. The utility model provides a stop valve verifying attachment, includes oil tank, oil pipe and stop valve, its characterized in that still includes: the oil tank is characterized in that a threaded telescopic pipe is inserted on the outer wall of the top of the oil tank, one end of the oil pipe is inserted at the top end of the threaded telescopic pipe, a supporting rod is fixedly installed on the outer wall of one side of the oil tank, a supporting mechanism is arranged on the outer wall of the top of the supporting rod, a conservator is installed at the top of the supporting mechanism, a heating part is arranged at a position, close to the upper side, inside the oil tank, a stop valve is inserted at the port of the oil pipe, and a pressurizing mechanism is arranged on the outer wall of one side of the oil tank.
2. The stop valve checking device according to claim 1, wherein the supporting mechanism comprises a fixing plate fixedly installed on the top outer wall of the supporting rod, electric cylinders are fixedly installed on two sides of the top outer wall of the fixing plate, supporting blocks are fixedly installed on the top ends of the electric cylinder extension rods, supporting seats are fixedly installed on the top outer wall of the supporting blocks, and the conservator is fixedly installed inside the supporting seats.
3. The shutoff valve calibration device of claim 1, wherein the heating element comprises a connecting plate fixedly mounted on the inner wall of the tank at a position near the upper side, and an electric heater is fixedly mounted on the top outer wall of the connecting plate.
4. The shutoff valve calibration device of claim 1, wherein the pressurizing mechanism comprises a mounting plate, the mounting plate is fixed on one side outer wall of the oil tank through bolts, the pressurizing pump is fixed on the top outer wall of the mounting plate through bolts, and one end of the pressurizing pump is located inside the oil tank.
5. The shut-off valve calibration device according to claim 1, wherein an exhaust pipe is inserted into the outer wall of one side of the oil tank near the top, and an exhaust valve is installed at a port of the exhaust pipe.
6. The stop valve checking device according to claim 1, wherein an electromagnetic valve and a first flow meter are sequentially installed at one end of the oil pipe, and the electromagnetic valve and the first flow meter are located between the oil conservator and the stop valve.
7. A stop valve verification device as claimed in claim 1 wherein said tubing is provided with a continuity member at one end thereof adjacent the stop valve, said continuity member being located between the stop valve and the threaded extension tube.
8. The shutoff valve calibration device of claim 7, wherein one end of the oil tube is provided with a pressure gauge and a second flow gauge in sequence, the pressure gauge and the second flow gauge being located between the relay and the threaded extension tube.
9. The shut-off valve calibration device of claim 1, wherein a pressure gauge and a thermometer are inserted on one side of the top outer wall of the tank.
10. The shutoff valve calibration device of claim 1, wherein the tank back outer wall is plugged with an injection tube near the top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322755950.2U CN221078040U (en) | 2023-10-14 | 2023-10-14 | Shut-off valve calibration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322755950.2U CN221078040U (en) | 2023-10-14 | 2023-10-14 | Shut-off valve calibration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221078040U true CN221078040U (en) | 2024-06-04 |
Family
ID=91264437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322755950.2U Active CN221078040U (en) | 2023-10-14 | 2023-10-14 | Shut-off valve calibration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221078040U (en) |
-
2023
- 2023-10-14 CN CN202322755950.2U patent/CN221078040U/en active Active
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