CN222067610U - Butterfly valve control auxiliary equipment of vertical unit - Google Patents
Butterfly valve control auxiliary equipment of vertical unit Download PDFInfo
- Publication number
- CN222067610U CN222067610U CN202420723851.8U CN202420723851U CN222067610U CN 222067610 U CN222067610 U CN 222067610U CN 202420723851 U CN202420723851 U CN 202420723851U CN 222067610 U CN222067610 U CN 222067610U
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- butterfly valve
- oil
- oil tank
- pressure
- valve control
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 36
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 18
- 238000007789 sealing Methods 0.000 claims description 6
- 238000005192 partition Methods 0.000 claims description 4
- 239000007789 gas Substances 0.000 abstract description 12
- 230000005484 gravity Effects 0.000 abstract description 4
- 229910000831 Steel Inorganic materials 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 239000010959 steel Substances 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 95
- 239000012530 fluid Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000010723 turbine oil Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- Fluid-Driven Valves (AREA)
Abstract
本实用新型涉及蝶阀控制技术领域，具体为包括油箱和蝶阀，油箱的内部上下分为两层，油箱的内部固定安装有氮气囊，油箱的外部固定安装有第一高压软油管和第二高压软油管，蝶阀内转动安装有转片，转片的两端分别固定连接有拐臂和重锤。该种立式机组蝶阀控制辅助设备,通过在油箱内增加一个压缩性及密封好的氮气囊，这样就不用随时给压力油罐补充高压气，避免气体流失，保证了压力油罐内的油气比，减少给压力油罐的打油时间，并且可以拆除高压气装置，减少辅助设备的运维，提高了蝶阀开启和关闭工作效率，重锤受重力作用迅速转动蝶阀转片，只需要较小的操作油压就可以关闭蝶阀，加快蝶阀的关闭时间，将钢油管改成高压软油管减少控制及传输回路。
The utility model relates to the field of butterfly valve control technology, specifically including an oil tank and a butterfly valve. The interior of the oil tank is divided into two layers, a nitrogen bag is fixedly installed inside the oil tank, a first high-pressure soft oil pipe and a second high-pressure soft oil pipe are fixedly installed outside the oil tank, a rotating plate is rotatably installed inside the butterfly valve, and a crank arm and a heavy hammer are fixedly connected to the two ends of the rotating plate. This type of vertical unit butterfly valve control auxiliary equipment, by adding a compressible and well-sealed nitrogen bag in the oil tank, does not need to replenish high-pressure gas to the pressure oil tank at any time, avoids gas loss, ensures the oil-gas ratio in the pressure oil tank, reduces the time of filling the pressure oil tank, and can remove the high-pressure gas device, reduce the operation and maintenance of the auxiliary equipment, and improve the opening and closing efficiency of the butterfly valve. The heavy hammer quickly rotates the butterfly valve rotating plate under the action of gravity, and only a small operating oil pressure is needed to close the butterfly valve, which speeds up the closing time of the butterfly valve, and changes the steel oil pipe into a high-pressure soft oil pipe to reduce the control and transmission circuits.
Description
Technical Field
The utility model relates to the technical field of butterfly valve control, in particular to butterfly valve control auxiliary equipment of a vertical unit.
Background
The butterfly valve device of the vertical unit is generally composed of a butterfly valve, a servomotor, an oil return tank, an oil pump, a pressure oil tank, a control loop, accessories and the like.
Butterfly valves are an important ring in vertical units, and the traditional old butterfly valves have the defects of too many devices, complex mechanisms and many operation loops, and whether the pressure of an oil tank is met or not needs to be observed all the time; the oil pressure of the traditional butterfly valve cannot be too high, the oil tank also needs high-pressure air supplementing to ensure the oil-gas ratio of the gas tank, a high-pressure air device is needed to be added, and if the air pressure is insufficient, the butterfly valve cannot be opened and closed due to the fact that the oil-gas ratio is too high; in addition, the traditional vertical unit oil way is more complicated, and the butterfly valve can not be normally opened or closed due to the problem of any link, so that the normal operation of the generator set is influenced.
In view of the above, a butterfly valve control auxiliary device of a vertical unit is provided.
Disclosure of utility model
In order to solve the technical problems, the utility model provides the following technical scheme:
The utility model provides a butterfly valve control auxiliary device of a vertical unit, which comprises an oil tank and a butterfly valve, wherein the inside of the oil tank is divided into two layers up and down, a nitrogen air bag is fixedly arranged in the oil tank, a first high-pressure flexible oil pipe and a second high-pressure flexible oil pipe are fixedly arranged outside the oil tank, the tail ends of the first high-pressure flexible oil pipe and the second high-pressure flexible oil pipe are fixedly connected with a servomotor, a connecting rod is slidably arranged in the servomotor, a rotating plate is rotatably arranged in the butterfly valve, and two ends of the rotating plate are respectively fixedly connected with a turning arm and a heavy hammer.
As a preferable technical scheme of the utility model, a baffle plate is fixedly arranged at the center of the inside of the oil tank, the nitrogen bag is fixedly connected with the baffle plate, the nitrogen bag is uniformly divided into an upper part and a lower part by the baffle plate, the nitrogen bag is sealed, an oil storage tank is arranged outside the oil tank, two oil outlet pumps are fixedly arranged at the top of the oil storage tank, communicating pipes are fixedly arranged outside the two oil outlet pumps respectively, the tail ends of the two communicating pipes are respectively communicated with the upper part and the lower part of the oil tank, and the communicating pipes are fixedly connected with the surface of the oil tank.
As an optimized technical scheme of the utility model, an oil circuit controller is fixedly arranged at the top of the oil tank, two high-pressure oil pumps are fixedly arranged on the inner surface of the oil tank, the two high-pressure oil pumps are respectively communicated with a first high-pressure soft oil pipe and a second high-pressure soft oil pipe, the controllers are arranged in the two high-pressure oil pumps, and the oil circuit controller is electrically connected with the two controllers.
As a preferable technical scheme of the utility model, a piston is slidably arranged in the servomotor, the top of the piston is fixedly connected with the bottom of a connecting rod, a through hole is formed in the top of the servomotor, the connecting rod is slidably connected with the through hole, a sealing ring is fixedly arranged on the top of the servomotor, and the inner surface of the sealing ring is slidably connected with the outer surface of the connecting rod.
As a preferable technical scheme of the utility model, the top of the connecting rod is fixedly provided with the mounting block, the tail end of the crank arm is fixedly provided with the connecting piece, the connecting piece is hinged with the side surface of the mounting block, the corner of the crank arm is a right angle, the lower part of the crank arm is in a horizontal state when the connecting rod is positioned at the bottommost part, and the rotating piece is in a horizontal state and is attached to the inner wall of the butterfly valve.
As a preferable technical scheme of the utility model, the tail end of the heavy hammer is fixedly connected with the rotating shaft of the rotating plate, the heavy hammer is always vertical to the rotating plate, and the rotating shaft of the heavy hammer is parallel to the lower part of the crank arm.
As a preferable technical scheme of the utility model, rubber pads are fixedly arranged on the inner surface of the butterfly valve and the outer surface of the rotating piece.
The beneficial effects of the utility model are as follows: this kind of vertical unit butterfly valve control auxiliary assembly through increase a compressibility and sealed nitrogen gasbag in the oil tank, just so need not to supply high-pressure gas for the pressure oil tank at any time, avoid gas loss, guaranteed the oil gas ratio in the pressure oil tank, reduce the time of getting oil for the pressure oil tank, and can demolish high-pressure gas device, reduce auxiliary assembly's fortune dimension, the butterfly valve has been improved and work efficiency is opened and is closed, reach more quick generating set start-up, increase generating efficiency, the weight receives the gravity effect and rotates the butterfly valve rotor rapidly, only need less operation oil pressure just can close the butterfly valve, and accelerate the closing time of butterfly valve, change steel oil pipe into high-pressure soft oil pipe reduction control and transmission return circuit.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
FIG. 1 is a schematic view of the overall front side structure of the present utility model;
FIG. 2 is a schematic view of the rear side overall structure of the present utility model;
FIG. 3 is a schematic cross-sectional view of the present utility model;
in the figure: 1. an oil tank; 2. an oil storage tank; 3. an oil outlet pump; 4. a communicating pipe; 5. a first high pressure flexible oil pipe; 6. a second high pressure flexible oil pipe; 7. a high pressure oil pump; 8. a servomotor; 9. a connecting rod; 10. a seal ring; 11. a mounting block; 12. a connecting piece; 13. butterfly valve; 14. a crank arm; 15. a rotating piece; 16. a heavy hammer; 17. a piston; 18. an oil path controller; 19. a partition plate; 20. nitrogen balloon.
Detailed Description
The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.
Examples: as shown in fig. 1-3, the butterfly valve control auxiliary device of the vertical unit comprises an oil tank 1 and a butterfly valve 13, wherein the inside of the oil tank 1 is divided into two layers up and down, a nitrogen air bag 20 is fixedly arranged in the oil tank 1, a first high-pressure flexible oil pipe 5 and a second high-pressure flexible oil pipe 6 are fixedly arranged outside the oil tank 1, a servomotor 8 is fixedly connected with the tail ends of the first high-pressure flexible oil pipe 5 and the second high-pressure flexible oil pipe 6, a connecting rod 9 is slidably arranged in the servomotor 8, a rotary plate 15 is rotatably arranged in the butterfly valve 13, and two ends of the rotary plate 15 are respectively fixedly connected with a crank arm 14 and a heavy hammer 16.
The inside center department fixed mounting of oil tank 1 has baffle 19, nitrogen bag 20 and baffle 19 fixed connection, and nitrogen bag 20 is evenly divided into upper and lower two parts by baffle 19, nitrogen bag 20 seals, the outside of oil tank 1 is equipped with oil storage tank 2, the top fixed mounting of oil storage tank 2 has two oil pump 3, the outside of two oil pump 3 is fixed mounting respectively has communicating pipe 4, the end of two communicating pipes 4 communicates with the upper and lower two parts of oil tank 1 respectively, communicating pipe 4 and the fixed surface of oil tank 1 are connected.
When the pressure is reduced, the turbine inside the oil storage tank 2 is respectively pumped into the upper layer and the lower layer of the oil tank 1 by the oil outlet pump 3 in a pressurized mode, and one layer with a large oil quantity can squeeze gas inside the nitrogen bag 20 to the other layer so as to adjust the oil pressure inside the oil tank 1.
The top fixed mounting of oil tank 1 has oil circuit controller 18, and the internal surface fixed mounting of oil tank 1 has two high-pressure oil pumps 7, and two high-pressure oil pumps 7 communicate with first high-pressure flexible oil pipe 5 and second high-pressure flexible oil pipe 6 respectively, and the controller is all installed to two high-pressure oil pump 7 inside, and oil circuit controller 18 and two equal electric connection of controller.
The inside slidable mounting of servomotor 8 has piston 17, and the bottom fixed connection of piston 17 and connecting rod 9 has been seted up at the top of servomotor 8, and connecting rod 9 and through-hole sliding connection, and the top fixed mounting of servomotor 8 has sealing washer 10, and sealing washer 10's internal surface and connecting rod 9's surface sliding connection.
Turbine oil enters the servomotor 8 from the first high-pressure soft oil pipe 5 to enable the second high-pressure soft oil pipe 6 to be decompressed, at the moment, the piston 17 slides downwards in the servomotor 8, otherwise, the piston 17 slides upwards, and the connecting rod 9 is driven to move upwards and downwards when the piston 17 slides.
The top fixed mounting of connecting rod 9 has installation piece 11, the terminal fixed mounting of turning arm 14 has connecting piece 12, connecting piece 12 is articulated with the side surface of installation piece 11, the turning of turning arm 14 is the right angle, the lower part of turning arm 14 is the horizontality when connecting rod 9 is located bottommost, and turning piece 15 is the horizontality and laminating with the inner wall of butterfly valve 13 this moment, when connecting rod 9 is upwards pushed up by servomotor 8, drive the terminal of turning arm 14 and shift up, turning arm 14 takes the pivot of turning piece 15 as the axle center rotation this moment, drive turning piece 15 and turning arm 14 synchronous rotation, the fluid passes from the space between butterfly valve 13 and the turning piece 15 this moment.
The end of the heavy hammer 16 is fixedly connected with the rotating shaft of the rotating plate 15, the heavy hammer 16 is always vertical to the rotating plate 15, the rotating shaft of the heavy hammer 16 is parallel to the lower part of the crank arm 14, the second high-pressure soft oil pipe 6 is decompressed when the butterfly valve 13 is closed, the heavy hammer 16 falls under gravity to drive the rotating plate 15 to synchronously rotate, when the heavy hammer 16 falls to be vertical, namely, the rotating plate 15 is horizontal, the butterfly valve 13 is in a closed state, namely, the butterfly valve 13 can be closed only by filling the first high-pressure soft oil pipe 5 with smaller operation oil pressure, and the closing time of the butterfly valve 13 is accelerated.
The inner surface of the butterfly valve 13 and the outer surface of the rotary piece 15 are fixedly provided with rubber pads for improving the connection tightness of the butterfly valve 13.
Working principle: when the butterfly valve control auxiliary equipment of the vertical unit is used, the upper part and the lower part of the oil tank 1 are respectively pressurized by controlling the oil outlet pump 3, the nitrogen air bags 20 are compressed to adjust the oil pressure in the oil tank 1, the opening and the closing of the two high-pressure oil pumps 7 are controlled by the oil way controller 18, turbine oil enters the servomotor 8 from the first high-pressure soft oil pipe 5 to enable the second high-pressure soft oil pipe 6 to be decompressed, at the moment, the piston 17 slides downwards in the servomotor 8, otherwise, the piston 17 slides upwards, the connecting rod 9 is driven to move upwards and downwards when the piston 17 slides,
When the connecting rod 9 is positioned at the bottommost part, the lower part of the crank arm 14 is in a horizontal state, the rotary piece 15 is in a horizontal state and is attached to the inner wall of the butterfly valve 13, when the connecting rod 9 is jacked up by the servomotor 8, the tail end of the crank arm 14 is driven to move upwards, at the moment, the crank arm 14 rotates around the rotating shaft of the rotary piece 15 to drive the rotary piece 15 and the crank arm 14 to synchronously rotate, at the moment, fluid passes through a gap between the butterfly valve 13 and the rotary piece 15, when the butterfly valve 13 is closed, the second high-pressure soft oil pipe 6 is decompressed, the heavy hammer 16 falls under gravity to drive the rotary piece 15 to synchronously rotate, when the heavy hammer 16 falls to the vertical or initial position, the rotary piece 15 is horizontal, the butterfly valve 13 is in a closed state, namely, the butterfly valve 13 can be closed only by filling small operation oil pressure into the first high-pressure soft oil pipe 5, and the closing time of the butterfly valve 13 is accelerated.
Finally, it should be noted that: the above is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that the present utility model is described in detail with reference to the foregoing embodiments, and modifications and equivalents of some of the technical features described in the foregoing embodiments may be made 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 (7)
1. The utility model provides a vertical unit butterfly valve control auxiliary assembly, includes oil tank (1) and butterfly valve (13), its characterized in that, the inside of oil tank (1) is divided into two-layer from top to bottom, the inside fixed mounting of oil tank (1) has nitrogen gasbag (20), the outside fixed mounting of oil tank (1) has first high pressure hose (5) and second high pressure hose (6), the terminal fixedly connected with servomotor (8) of first high pressure hose (5) and second high pressure hose (6), the inside slidable mounting of servomotor (8) has connecting rod (9), swivel piece (15) are installed in butterfly valve (13) internal rotation, the both ends of swivel piece (15) are fixedly connected with turning arm (14) and weight (16) respectively.
2. The vertical unit butterfly valve control auxiliary device according to claim 1, wherein a partition plate (19) is fixedly installed at the center of the inside of the oil tank (1), the nitrogen bag (20) is fixedly connected with the partition plate (19), the nitrogen bag (20) is uniformly divided into an upper part and a lower part by the partition plate (19), the nitrogen bag (20) is sealed, an oil storage tank (2) is arranged on the outside of the oil tank (1), two oil outlet pumps (3) are fixedly installed on the top of the oil storage tank (2), communicating pipes (4) are fixedly installed on the outside of the two oil outlet pumps (3) respectively, the tail ends of the two communicating pipes (4) are respectively communicated with the upper part and the lower part of the oil tank (1), and the communicating pipes (4) are fixedly connected with the surface of the oil tank (1).
3. The butterfly valve control auxiliary device of the vertical unit according to claim 1, wherein an oil circuit controller (18) is fixedly installed at the top of the oil tank (1), two high-pressure oil pumps (7) are fixedly installed on the inner surface of the oil tank (1), the two high-pressure oil pumps (7) are respectively communicated with the first high-pressure flexible oil pipe (5) and the second high-pressure flexible oil pipe (6), the controllers are installed inside the two high-pressure oil pumps (7), and the oil circuit controller (18) is electrically connected with the two controllers.
4. The vertical unit butterfly valve control auxiliary device according to claim 1, wherein a piston (17) is slidably mounted in the servomotor (8), the top of the piston (17) is fixedly connected with the bottom of the connecting rod (9), a through hole is formed in the top of the servomotor (8), the connecting rod (9) is slidably connected with the through hole, a sealing ring (10) is fixedly mounted on the top of the servomotor (8), and the inner surface of the sealing ring (10) is slidably connected with the outer surface of the connecting rod (9).
5. The vertical unit butterfly valve control auxiliary device according to claim 1, wherein a mounting block (11) is fixedly mounted at the top of the connecting rod (9), a connecting piece (12) is fixedly mounted at the tail end of the turning arm (14), the connecting piece (12) is hinged with the side surface of the mounting block (11), the corner of the turning arm (14) is a right angle, the lower part of the turning arm (14) is in a horizontal state when the connecting rod (9) is positioned at the bottommost part, and the turning piece (15) is in a horizontal state and is attached to the inner wall of the butterfly valve (13).
6. The butterfly valve control auxiliary device of the vertical unit according to claim 1, wherein the tail end of the heavy hammer (16) is fixedly connected with the rotating shaft of the rotating plate (15), the heavy hammer (16) is always vertical to the rotating plate (15), and the rotating shaft of the heavy hammer (16) is parallel to the lower part of the crank arm (14).
7. The butterfly valve control auxiliary device of the vertical unit according to claim 1, wherein rubber pads are fixedly arranged on the inner surface of the butterfly valve (13) and the outer surface of the rotary piece (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420723851.8U CN222067610U (en) | 2024-04-09 | 2024-04-09 | Butterfly valve control auxiliary equipment of vertical unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420723851.8U CN222067610U (en) | 2024-04-09 | 2024-04-09 | Butterfly valve control auxiliary equipment of vertical unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222067610U true CN222067610U (en) | 2024-11-26 |
Family
ID=93550025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420723851.8U Active CN222067610U (en) | 2024-04-09 | 2024-04-09 | Butterfly valve control auxiliary equipment of vertical unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222067610U (en) |
-
2024
- 2024-04-09 CN CN202420723851.8U patent/CN222067610U/en active Active
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