CN113090807A - Hydropower station valve pneumatic operation device and operation method thereof - Google Patents
Hydropower station valve pneumatic operation device and operation method thereof Download PDFInfo
- Publication number
- CN113090807A CN113090807A CN202110376608.4A CN202110376608A CN113090807A CN 113090807 A CN113090807 A CN 113090807A CN 202110376608 A CN202110376608 A CN 202110376608A CN 113090807 A CN113090807 A CN 113090807A
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- assembly
- valve
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- pneumatic
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- 238000000034 method Methods 0.000 title claims abstract description 8
- 230000005540 biological transmission Effects 0.000 claims abstract description 34
- 230000006378 damage Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000002265 prevention Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
- F16D1/06—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end
- F16D1/08—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end with clamping hub; with hub and longitudinal key
Abstract
The invention discloses a hydropower station valve pneumatic operation device and an operation method thereof, wherein the hydropower station valve pneumatic operation device comprises a compressed air storage tank, a pneumatic motor, a fixed assembly, a transmission assembly and a detachable operation assembly; after the operation assembly, the transmission assembly and the fixing assembly are sequentially connected and installed, the air storage tank is switched on and off to drive the pneumatic motor to rotate, so that the operation assembly is driven to rotate to realize the opening and closing of the mechanical valve. The invention has the advantages of no need of manual operation of mechanical valves, relatively lower operation difficulty and higher safety.
Description
Technical Field
The invention relates to a hydropower station operation device, in particular to a hydropower station valve pneumatic operation device and an operation method thereof.
Background
In hydropower stations, pipelines of oil, water, gas and the like are provided with a plurality of mechanical valves, and some valves are important in work safety. When the unit overhauls, often need realize pressing the isolation of medium under pressure such as oil, water, gas through the operation valve to do safety measure for the operation of maintainer.
Because the hydropower station equipment mechanism is complicated, the environment is humid, the electric valve is easy to damage due to moisture, the safety aspects such as fire prevention, explosion prevention and the like are considered when the electric valve relates to the valve of an oil pipeline, and therefore, the valves of the hydropower station are all mechanical valves which can only be operated by manpower.
However, these mechanical valves are difficult to operate in actual operation, for example, large valves, the connecting rod between the valve disc and the valve is dozens of meters long, the manual operation is time-consuming and labor-consuming, the operation is difficult, and some valves are soaked in water due to the working environment, so that the corrosion and adhesion are caused, and the manual operation is difficult. Some valves need to be operated under pressure, the pressure of pipelines at two ends connected with the valves is different, the pressure needs to be overcome during manual operation, if the manual operation is insufficient to resist the pressure of a medium, the possibility of rotation of a valve disc of the valve is easy to occur, and therefore casualties and equipment damage are caused.
Therefore, the existing hydropower station mechanical valve has the problems of manual operation, high difficulty and high danger.
Disclosure of Invention
The invention aims to provide a hydropower station valve pneumatic operation device and an operation method thereof. It has the advantage that need not manpower operation mechanical valve, the operation degree of difficulty is lower relatively and safer.
The technical scheme of the invention is as follows: a hydropower station valve pneumatic operation device comprises a compressed air storage tank, a pneumatic motor, a fixing assembly fixed on a rotating shaft of the pneumatic motor, a transmission assembly arranged on the fixing assembly and an operation assembly detachably arranged on the transmission assembly; one end of the fixing component is connected with a rotating shaft of the pneumatic motor, and a plurality of rectangular clamping blocks are uniformly arranged on the outer side of the other end of the fixing component; the tail end of the transmission component is provided with a rectangular clamping groove corresponding to the rectangular clamping block, and the top of the transmission component is provided with a rectangular groove; the clamping component is sleeved on the outer side of the top of the transmission component; the operating assembly comprises a rectangular column and a hydraulic telescopic rod arranged above the rectangular column; and the top of the hydraulic telescopic rod is provided with an operation part corresponding to the valve.
In the hydraulic power station valve pneumatic operation device, the pneumatic motor may be a piston type pneumatic motor or a vane type pneumatic motor.
In the pneumatic operation device for the valve of the hydropower station, the operation assembly is a valve disc operation assembly, the top of the hydraulic telescopic rod of the operation assembly is provided with a chuck, and the outer side of the chuck is provided with a plurality of clamping groove columns corresponding to the supporting rods of the valve disc.
In the pneumatic operation device for the hydropower station valve, the operation assembly is a threaded operation assembly, and a threaded groove is formed in the top of a hydraulic telescopic rod of the threaded operation assembly.
In the pneumatic operation device for the hydropower station valve, the operation assembly is a clamping groove operation assembly, and a rectangular clamping groove is formed in the top of a hydraulic telescopic rod of the clamping groove operation assembly.
A method of pneumatically operating a valve of a hydroelectric power station, comprising the steps of:
A. selecting a corresponding operation assembly according to actual needs;
B. the bottom of the transmission component is clamped and installed with a rectangular clamping block at the top of the fixed component through a rectangular clamping groove;
C. clamping and mounting a bottom rectangular column of the operating assembly through a rectangular groove in the top of the transmission assembly; the top of the operating assembly is connected with a valve to be operated;
D. the compressed air storage tank is connected with the pneumatic motor through a transmission pipe;
E. and opening a control switch of the compressed air storage tank to enable the pneumatic motor to drive the valve to rotate.
Compared with the prior art, the invention provides the special operating device for the mechanical valve of the hydropower station and the corresponding operating method to achieve the aim of opening and closing the mechanical valve without manpower. Fix the fixed subassembly installation in pneumatic motor's pivot, then install transmission assembly on fixed subassembly through the corresponding joint of rectangle screens piece and rectangle draw-in groove, install operation assembly on transmission assembly through rectangle post and rectangle recess are corresponding at last, thereby accomplish holistic installation, only need the switching compressed air gas holder, pneumatic motor just can drive fixed subassembly in proper order, transmission assembly and operation assembly transmission, finally drive corresponding mechanical valve and rotate, realize pneumatic switching valve, need not the staff and carry out artifical switching. The invention only needs to select the corresponding operation component according to the actual type of the mechanical valve and then can realize the installation and connection through simple mechanical connection, and the operation of connecting and opening and closing the mechanical valve is far simpler than manual operation. The mechanical valve is opened and closed by adopting the invention, manual operation is not needed, and when the valve is operated under pressure, abnormality caused by insufficient manpower or irregular operation and other problems can be avoided, so that unpredictable equipment and personal injury can be avoided.
Therefore, the invention has the advantages of no need of manually operating a mechanical valve, relatively lower operation difficulty and higher safety.
Furthermore, the hydropower station is provided with a plurality of air storage tanks at all positions, and the original compressed air storage tank is directly used as a power source, so that extra equipment cost is not required, and the economic burden is reduced. In addition, the air is used as the power medium, the source of raw materials (air) is wide and abundant, the used air can be directly discharged without being treated, the problems of environmental pollution and the like are avoided, and the subsequent treatment cost is reduced.
The invention adopts a pneumatic motor as a power part: the applicability is wide, and the device can be used in various occasions; the emergency stop and the emergency start can be realized, and the actual requirements are met; air is used as a power source, so that safety accidents such as sparks, electrical short circuit and the like can be avoided, and the safety is good; the device has the advantages of simple structure, easy operation, convenient maintenance and low cost.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view (split) of the present invention;
FIG. 3 is a schematic bottom view (disassembled) of the present invention;
FIG. 4 is a schematic structural view of the valve disc operating assembly of the present invention;
fig. 5 is a schematic view of the construction of the thread operating assembly of the present invention.
The labels in the figures are: the hydraulic telescopic rod comprises a fixing component 1, a rectangular clamping block 11, a transmission component 2, a rectangular clamping groove 21, a clamping component 22, a rectangular groove 23, an operation component 3, a rectangular column 31 and a hydraulic telescopic rod 32.
Detailed Description
The invention is further illustrated by the following figures and examples, which are not to be construed as limiting the invention.
Examples are given. A hydropower station valve pneumatic operation device is shown in figures 1-5 and comprises a compressed air storage tank, a vane type pneumatic motor, a fixed component 1 fixed on a rotating shaft of the vane type pneumatic motor, a transmission component 2 arranged on the fixed component 1 and an operation component 3 detachably arranged on the transmission component 2; one end of the fixed component 1 is connected with a rotating shaft of the vane type pneumatic motor, and a plurality of rectangular clamping blocks 11 are uniformly arranged on the outer side of the other end of the fixed component; the tail end of the transmission component 2 is provided with a rectangular clamping groove 21 corresponding to the rectangular clamping block 11, and the top of the transmission component is provided with a rectangular groove 23; a clamping component 22 is sleeved on the outer side of the top of the transmission component 2; the operating assembly 3 comprises a rectangular column 31 and a hydraulic telescopic rod 32 arranged above the rectangular column 31; the top of the hydraulic telescopic rod 32 is provided with an operation part corresponding to the valve.
The connecting parts of the fixing component 1 and the transmission component 2 are provided with corresponding screw holes, and fastening bolts are arranged in the screw holes, so that the fixing component 1 and the transmission component 2 can be tightly connected.
The top of transmission assembly 2 evenly is equipped with a plurality of flutings to make its top be the slice opening, the slice open-ended outside is equipped with the external screw thread, the inside of joint subassembly 22 is equipped with the internal thread corresponding with the slice opening. After the clamping assembly 22 is screwed to the middle lower part, the sheet-shaped opening is opened, the rectangular column 31 of the operating assembly 3 is placed into the rectangular groove 23 of the sheet-shaped opening, and the clamping assembly 22 is rotated upwards to tighten the sheet-shaped opening, so that the operating assembly 3 is fixed. The quick removal and fixing of the handling assembly 3 is achieved by the cooperation of the sheet-like opening, the rectangular recess 23 and the clamping assembly 22.
The operating assembly 3 is a valve disc operating assembly, a chuck is arranged at the top of the hydraulic telescopic rod 32, and a plurality of clamping groove columns corresponding to the supporting rods of the valve disc are arranged on the outer side of the chuck.
The operating component 3 is a threaded operating component, and a threaded groove is formed in the top of the hydraulic telescopic rod 32.
The operating assembly 3 is a clamping groove operating assembly, and a rectangular clamping groove is formed in the top of the hydraulic telescopic rod 32.
A method of pneumatically operating a valve of a hydroelectric power station, comprising the steps of:
A. selecting a corresponding operating component 3 according to actual needs, such as selecting a valve disc operating component;
B. the bottom of the transmission component 2 is clamped and installed with the rectangular clamping block 11 at the top of the fixed component 1 through the rectangular clamping groove 21;
C. the bottom rectangular column 31 of the operating assembly 3 is installed in a clamping mode through the rectangular groove 23 in the top of the transmission assembly 2; the top of the operating component 3 is connected with a valve to be operated;
D. the compressed air storage tank is connected with the vane type pneumatic motor through a transmission pipe;
E. and opening a control switch of the compressed air storage tank to enable the vane type pneumatic motor to drive the valve to rotate.
Claims (5)
1. A hydropower station valve pneumatic operation device is characterized in that: comprises a compressed air storage tank, a pneumatic motor, a fixed component (1) fixed on a rotating shaft of the pneumatic motor, a transmission component (2) arranged on the fixed component (1) and an operation component (3) detachably arranged on the transmission component (2); one end of the fixed component (1) is connected with a rotating shaft of the pneumatic motor, and the outer side of the other end of the fixed component is uniformly provided with a plurality of rectangular clamping blocks (11); the tail end of the transmission component (2) is provided with a rectangular clamping groove (21) corresponding to the rectangular clamping block (11), and the top of the transmission component is provided with a rectangular groove (23); a clamping component (22) is sleeved on the outer side of the top of the transmission component (2); the operating assembly (3) comprises a rectangular column (31) and a hydraulic telescopic rod (32) arranged above the rectangular column (31); the top of the hydraulic telescopic rod (32) is provided with an operation part corresponding to the valve.
2. A hydropower station valve pneumatic operation device according to claim 1, characterized in that: the operation assembly (3) is a valve disc operation assembly, a chuck is arranged at the top of a hydraulic telescopic rod (32), and a plurality of clamping groove columns corresponding to the supporting rods of the valve disc are arranged on the outer side of the chuck.
3. A hydropower station valve pneumatic operation device according to claim 1, characterized in that: the operating assembly (3) is a threaded operating assembly, and a threaded groove is formed in the top of the hydraulic telescopic rod (32).
4. A hydropower station valve pneumatic operation device according to claim 1, characterized in that: the operating assembly (3) is a clamping groove operating assembly, and a rectangular clamping groove is formed in the top of the hydraulic telescopic rod (32).
5. A method of pneumatic operation of a hydroelectric power station valve according to any of claims 1 to 4, comprising the steps of:
A. selecting a corresponding operation assembly (3) according to actual needs;
B. the bottom of the transmission component (2) is clamped and installed with a rectangular clamping block (11) at the top of the fixed component (1) through a rectangular clamping groove (21);
C. clamping and mounting a bottom rectangular column (31) of the operating assembly (3) through a rectangular groove (23) in the top of the transmission assembly (2); the top of the operating component (3) is connected with a valve to be operated;
D. the compressed air storage tank is connected with the pneumatic motor through a transmission pipe;
E. and opening a control switch of the compressed air storage tank to enable the pneumatic motor to drive the valve to rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110376608.4A CN113090807A (en) | 2021-04-07 | 2021-04-07 | Hydropower station valve pneumatic operation device and operation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110376608.4A CN113090807A (en) | 2021-04-07 | 2021-04-07 | Hydropower station valve pneumatic operation device and operation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113090807A true CN113090807A (en) | 2021-07-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110376608.4A Pending CN113090807A (en) | 2021-04-07 | 2021-04-07 | Hydropower station valve pneumatic operation device and operation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113090807A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104275669A (en) * | 2013-07-02 | 2015-01-14 | 泉峰(中国)贸易有限公司 | Bit |
| CN205703943U (en) * | 2016-04-26 | 2016-11-23 | 宁波远景汽车零部件有限公司 | A kind of interconnection system box spanner |
| CN109605262A (en) * | 2017-09-21 | 2019-04-12 | 薪萤企业有限公司 | Sleeve |
| CN109746856A (en) * | 2017-11-06 | 2019-05-14 | 北京安沃科技有限公司 | One kind is electronic to determine torsional impact spanner |
| CN209158267U (en) * | 2018-09-26 | 2019-07-26 | 国网安徽省电力有限公司检修分公司 | A kind of power transformation O&M bolt dismantling device |
| CN209903070U (en) * | 2019-05-27 | 2020-01-07 | 六安市皋福五金有限公司 | Pneumatic sleeve convenient to dismantle fast and change |
| CN214466489U (en) * | 2021-04-07 | 2021-10-22 | 国网新源水电有限公司富春江水力发电厂 | Pneumatic operating device for valves of hydropower stations |
-
2021
- 2021-04-07 CN CN202110376608.4A patent/CN113090807A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104275669A (en) * | 2013-07-02 | 2015-01-14 | 泉峰(中国)贸易有限公司 | Bit |
| CN205703943U (en) * | 2016-04-26 | 2016-11-23 | 宁波远景汽车零部件有限公司 | A kind of interconnection system box spanner |
| CN109605262A (en) * | 2017-09-21 | 2019-04-12 | 薪萤企业有限公司 | Sleeve |
| CN109746856A (en) * | 2017-11-06 | 2019-05-14 | 北京安沃科技有限公司 | One kind is electronic to determine torsional impact spanner |
| CN209158267U (en) * | 2018-09-26 | 2019-07-26 | 国网安徽省电力有限公司检修分公司 | A kind of power transformation O&M bolt dismantling device |
| CN209903070U (en) * | 2019-05-27 | 2020-01-07 | 六安市皋福五金有限公司 | Pneumatic sleeve convenient to dismantle fast and change |
| CN214466489U (en) * | 2021-04-07 | 2021-10-22 | 国网新源水电有限公司富春江水力发电厂 | Pneumatic operating device for valves of hydropower stations |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210709 |
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| RJ01 | Rejection of invention patent application after publication |