CN113685608B - Flexible error-preventing device for fire emergency valve of converter station - Google Patents
Flexible error-preventing device for fire emergency valve of converter station Download PDFInfo
- Publication number
- CN113685608B CN113685608B CN202111106957.0A CN202111106957A CN113685608B CN 113685608 B CN113685608 B CN 113685608B CN 202111106957 A CN202111106957 A CN 202111106957A CN 113685608 B CN113685608 B CN 113685608B
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- fixedly connected
- plate
- converter station
- valve rod
- sleeve
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- 230000000670 limiting effect Effects 0.000 claims abstract description 16
- 230000005540 biological transmission Effects 0.000 claims abstract description 9
- 230000000087 stabilizing effect Effects 0.000 claims description 11
- 230000002265 prevention Effects 0.000 claims description 2
- 230000003405 preventing effect Effects 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- 238000007689 inspection Methods 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 16
- 238000005457 optimization Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 239000010687 lubricating oil Substances 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
- F16K35/00—Means to prevent accidental or unauthorised actuation
- F16K35/02—Means to prevent accidental or unauthorised actuation to be locked or disconnected by means of a pushing or pulling action
- F16K35/022—Means to prevent accidental or unauthorised actuation to be locked or disconnected by means of a pushing or pulling action the locking mechanism being actuated by a separate actuating element
- F16K35/025—Means to prevent accidental or unauthorised actuation to be locked or disconnected by means of a pushing or pulling action the locking mechanism being actuated by a separate actuating element said actuating element being operated manually (e.g. a push-button located in the valve actuator)
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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
- F16N—LUBRICATING
- F16N1/00—Constructional modifications of parts of machines or apparatus for the purpose of lubrication
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/60—Arrangements for transfer of electric power between AC networks or generators via a high voltage DC link [HVCD]
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanically-Actuated Valves (AREA)
Abstract
The invention discloses a flexible error-preventing device for a fire emergency valve of a convertor station, which comprises a fire valve body, a valve rod, a rotary handle, a sleeve plate, pull handles, connecting toothed plates, gears, limiting columns, a transmission column, an adjusting frame, connecting plates and clamping plates, wherein the valve rod is movably connected to the top of the fire valve body, the rotary handle is fixedly connected to the top of the valve rod, the sleeve plate is in threaded connection with the surface of the valve rod, the bottom of the sleeve plate is fixedly connected with the top of the fire valve body, the pull handles are arranged at the top of the front surface of the sleeve plate, the connecting toothed plates are fixedly connected to two sides of the back surfaces of the pull handles, and the back surfaces of the connecting toothed plates penetrate into the sleeve plate. The emergency valve solves the problems that the existing emergency valve of the converter station does not have the effect of preventing false touch, inspection personnel or staff of the converter station are easy to open by mistake, and water flow out after the false opening is extremely easy to damage power equipment in the converter station, so that the power equipment is short-circuited, and the whole converter station is endangered. The method is suitable for the converter stations.
Description
Technical Field
The invention relates to the technical field of fire control valves, in particular to a flexible error preventing device for a fire control emergency valve of a convertor station.
Background
The emergency valve of the current converter station does not have the effect of preventing false touch, the patrol personnel or staff of the converter station is easy to open by mistake, and the water flow after false opening is extremely easy to damage the power equipment in the converter station, so that the whole converter station is endangered due to short circuit of the power equipment, and the use of users is inconvenient.
Disclosure of Invention
In order to solve the problems in the prior art, the invention aims to provide the flexible error preventing device for the fire emergency valve of the converter station, which has the advantage of error touch prevention, and solves the problems that the existing emergency valve of the converter station does not have the error touch preventing effect, the patrol personnel or staff of the converter station are easy to open by mistake, and water flow out after the error opening easily damages power equipment in the converter station, so that the power equipment is short-circuited, and the whole converter station is endangered.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a flexible type anti-misoperation device of emergency fire control valve of convertor station, includes fire control valve body, valve rod, spiral handle, sleeve board, pull handle, connection pinion rack, gear, spacing post, drive post, regulation frame, connecting plate and chucking board, valve rod swing joint is in the top of fire control valve body, spiral handle fixed connection is in the top of valve rod, sleeve board threaded connection is in the surface of valve rod, the bottom of sleeve board and the top fixed connection of fire control valve body, pull handle sets up in the positive top of sleeve board, connect pinion rack fixed connection in the both sides at the pull handle back, the back of connecting the pinion rack runs through to the inside of sleeve board, the inside of gear is located the inside of sleeve board and meshes in the opposite one side of connecting the pinion rack, spacing post swing joint is in the inside of gear, the bottom of spacing post and the inner wall fixed connection of sleeve board, drive post fixed connection is in the top of gear, regulation frame sliding connection is in the surface of drive post, the both sides of regulation frame all with the inner wall sliding connection of sleeve board, connecting plate fixed connection is in the back of regulation frame, the back of connecting plate fixed connection is in the inside of connecting plate to the chucking board.
As the preferable mode of the invention, the back surface of the opposite side of the connecting toothed plate is fixedly connected with a stabilizing plate, and the stabilizing plate is rectangular.
As the preferable mode of the invention, the top and the bottom of the inner wall of the sleeve plate are fixedly connected with positioning columns, the surface of each positioning column is fixedly connected with a limiting sleeve, and the limiting sleeve is made of rubber.
As the preferable mode of the invention, grooves are formed on the rear sides of the top and the bottom of the pull handle, and clamping grooves matched with the clamping plates are formed on the front surface of the valve rod.
As the preferable choice of the invention, the front of the sleeve plate is provided with an open slot matched with the pull handle, the rear sides of the two sides of the inner wall of the open slot are fixedly connected with guide blocks, and the two sides of the pull handle are provided with guide slots matched with the guide blocks.
As the preferable mode of the invention, the front surface of the valve rod is fixedly connected with an indicating block, the indicating block is positioned at the top of the sleeve plate, and the top of the sleeve plate is fixedly connected with a triangular block matched with the indicating block.
As the preferable mode of the invention, the two sides of the inner wall of the sleeve plate are fixedly connected with oil guide grooves, and the length of each oil guide groove is the same as that of the sleeve plate.
As the preferable mode of the invention, the top of the oil guide groove is provided with a filling plug, one side opposite to the filling plug is fixedly connected with a buckling cap, both sides of the top of the sleeve plate are provided with buckling grooves matched with the buckling cap, and the buckling cap is in interference fit with the buckling grooves.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, through the matched use of the fire-fighting valve body, the valve rod, the rotary handle, the sleeve plate, the pull handle, the connecting toothed plate, the gear, the limiting column, the transmission column, the adjusting frame, the connecting plate and the clamping plate, the problem that the existing emergency valve of the converter station does not have the effect of preventing false touch is solved, the condition that a patrol person or a staff of the converter station is easy to open by mistake, and after the emergency opening, water flows out extremely easily damage power equipment in the converter station, so that the power equipment is short-circuited, and the problem of the whole converter station is endangered.
2. According to the invention, the two connecting toothed plates can be connected by arranging the stabilizing plate, so that the phenomenon of unstable shaking when the connecting toothed plates move is avoided, and the connecting toothed plates can move more smoothly.
3. According to the invention, the limiting column and the limiting sleeve are arranged, so that the limiting effect on the pull handle and the stabilizing plate can be achieved, the pull handle is prevented from falling off due to excessive force when a user moves the pull handle to the rear side, and the clamping plate and the clamping groove are prevented from being knocked down due to excessive force when the user presses the pull handle to the rear side.
4. According to the invention, the groove and the clamping groove are arranged, so that a user can conveniently move the pull handle to the rear side, the use convenience of the pull handle is improved, and the clamping groove is convenient for positioning the valve rod after the clamping plate is inserted, so that the user can be prevented from opening by mistake.
5. According to the invention, the opening groove, the guide block and the guide groove are arranged, so that the movement of the pull handle can be guided, and the shaking displacement phenomenon during the forward and backward movement of the pull handle is prevented.
6. The invention is convenient for a user to observe whether the indicating block and the triangular block are overlapped by arranging the indicating block and the triangular block, and the valve rod is rotated in place after the indicating block and the triangular block are overlapped, so that the user can stop rotating the valve rod.
7. According to the invention, the oil guide groove is arranged, so that a user can pour lubricating oil between the sleeve plate and the valve rod conveniently, and the valve rod is prevented from rotating and clamping.
8. According to the invention, the oil guide groove can be sealed at ordinary times by arranging the filling plug, the buckling cap and the buckling groove, so that the blockage of the oil guide groove caused by the fact that external impurities fall into the oil guide groove is avoided.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is an enlarged block diagram of the portion A of FIG. 1 according to the present invention;
FIG. 3 is an enlarged block diagram of the portion B of FIG. 2 according to the present invention;
FIG. 4 is a top cross-sectional view of the sleeve plate of the present invention;
FIG. 5 is an enlarged block diagram of the portion C of FIG. 4 according to the present invention;
fig. 6 is an enlarged view of the structure of fig. 5 at D according to the present invention.
In the figure: 1. a fire valve body; 2. a valve stem; 3. a rotary handle; 4. a sleeve plate; 5. a pull handle; 6. connecting toothed plates; 7. a gear; 8. a limit column; 9. a drive column; 10. an adjusting frame; 11. a connecting plate; 12. a clamping plate; 13. a stabilizing plate; 14. positioning columns; 15. a limit sleeve; 16. a groove; 17. a clamping groove; 18. an open slot; 19. a guide block; 20. a guide groove; 21. an indication block; 22. triangular blocks; 23. an oil guiding groove; 24. a filling plug; 25. buckling the cap; 26. a buckling groove.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1 to 6, the flexible error preventing device for the fire emergency valve of the convertor station provided by the invention comprises a fire valve body 1, a valve rod 2, a rotary handle 3, a sleeve plate 4, a pull handle 5, a connecting toothed plate 6, a gear 7, a limit post 8, a transmission post 9, an adjusting frame 10, a connecting plate 11 and a clamping plate 12, wherein the valve rod 2 is movably connected to the top of the fire valve body 1, the rotary handle 3 is fixedly connected to the top of the valve rod 2, the sleeve plate 4 is in threaded connection with the surface of the valve rod 2, the bottom of the sleeve plate 4 is fixedly connected with the top of the fire valve body 1, the pull handle 5 is arranged at the top of the front of the sleeve plate 4, the connecting toothed plate 6 is fixedly connected with the two sides of the back of the pull handle 5, the back of the connecting toothed plate 6 penetrates into the sleeve plate 4, the gear 7 is positioned in the sleeve plate 4 and is meshed with one side opposite to the connecting toothed plate 6, the limit post 8 is movably connected into the gear 7, the bottom of the limiting post 8 is fixedly connected with the inner wall of the sleeve plate 4, the transmission post 9 is fixedly connected to the top of the gear 7, the adjusting frame 10 is slidingly connected to the surface of the transmission post 9, the two sides of the adjusting frame 10 are fixedly connected to the inner wall of the inner wall 10 of the sleeve plate 4 and the inner wall of the connecting plate 10 is fixedly connected with the connecting plate 11 to the back of the connecting plate 12.
Referring to fig. 5, a stabilizing plate 13 is fixedly connected to the back of the opposite side of the connection toothed plate 6, and the stabilizing plate 13 is rectangular.
As a technical optimization scheme of the invention, two connecting toothed plates 6 can be connected by arranging the stabilizing plate 13, so that the phenomenon of unstable shaking when the connecting toothed plates 6 move is avoided, and the connecting toothed plates 6 can move more smoothly.
Referring to fig. 6, the top and the bottom of the inner wall of the sleeve plate 4 are fixedly connected with positioning columns 14, the surface of each positioning column 14 is fixedly connected with a limiting sleeve 15, and the limiting sleeve 15 is made of rubber.
As a technical optimization scheme of the invention, the limiting post 8 and the limiting sleeve 15 are arranged, so that the limiting effect on the pull handle 5 and the stabilizing plate 13 can be achieved, the pull handle 5 is prevented from falling off due to excessive force when a user moves the pull handle 5 to the rear side, and the clamping plate 12 and the clamping groove 17 are prevented from being knocked down due to excessive force when the user presses to the rear side.
Referring to fig. 5, grooves 16 are formed in the rear sides of the top and bottom of the pull handle 5, and a clamping groove 17 matched with the clamping plate 12 is formed in the front surface of the valve rod 2.
As a technical optimization scheme of the invention, through the arrangement of the groove 16 and the clamping groove 17, the groove 16 is convenient for a user to move the pull handle 5 to the rear side, the use convenience of the pull handle 5 is improved, and the clamping groove 17 is convenient for the clamping plate 12 to be inserted and then to position the valve rod 2, so that the user can be prevented from opening by mistake.
Referring to fig. 6, the front surface of the sleeve plate 4 is provided with an open slot 18 matched with the pull handle 5, the rear sides of the two sides of the inner wall of the open slot 18 are fixedly connected with guide blocks 19, and the two sides of the pull handle 5 are provided with guide slots 20 matched with the guide blocks 19.
As a technical optimization scheme of the invention, the movement of the pull handle 5 can be guided by arranging the open slot 18, the guide block 19 and the guide slot 20, so that the shaking displacement phenomenon can be prevented when the pull handle 5 moves forwards and backwards.
Referring to fig. 3, the front surface of the valve rod 2 is fixedly connected with an indicating block 21, the indicating block 21 is positioned at the top of the sleeve plate 4, and the top of the sleeve plate 4 is fixedly connected with a triangular block 22 matched with the indicating block 21.
As a technical optimization scheme of the invention, by arranging the indicating block 21 and the triangular block 22, a user can conveniently observe whether the indicating block 21 and the triangular block are overlapped, and after the indicating block is overlapped, the valve rod 2 is rotated in place, so that the user can stop rotating the valve rod 2.
Referring to fig. 3, oil guiding grooves 23 are fixedly connected to both sides of the inner wall of the sleeve plate 4, and the length of the oil guiding grooves 23 is the same as that of the sleeve plate 4.
As a technical optimization scheme of the invention, through arranging the oil guide groove 23, a user can pour lubricating oil between the sleeve plate 4 and the valve rod 2 conveniently, so that the valve rod 2 is prevented from rotating and clamping.
Referring to fig. 3, a filling plug 24 is arranged at the top of the oil guiding groove 23, a buckling cap 25 is fixedly connected to the opposite side of the filling plug 24, buckling grooves 26 matched with the buckling cap 25 are formed in two sides of the top of the sleeve plate 4, and the buckling cap 25 and the buckling grooves 26 are in interference fit.
As a technical optimization scheme of the invention, the oil guide groove 23 can be sealed at ordinary times by arranging the filling plug 24, the buckling cap 25 and the buckling groove 26, so that the blockage of the oil guide groove 23 caused by the fact that external impurities fall into the oil guide groove 23 is avoided.
The working principle and the using flow of the invention are as follows: when the fire-fighting valve is used, a user turns the valve rod 2 to close the fire-fighting valve body 1 through the rotary handle 3, then the user only needs to move the pull handle 5 to the rear side through the groove 16, the pull handle 5 can drive the connecting toothed plate 6 to move to the rear side, the connecting toothed plate 6 drives the gear 7 to rotate, the gear 7 is positioned through the limiting post 8 in rotation, then the gear 7 drives the adjusting frame 10 to move to the rear side through the transmission post 9, the adjusting frame 10 drives the clamping plate 12 to move to the rear side through the connecting plate 11, the clamping plate 12 enters the inside of the front clamping groove 17 of the valve rod 2, the valve rod 2 is fixed through the clamping plate 12, positioning is achieved, the phenomenon that the fire-fighting valve body 1 is wrongly opened by the user is avoided, lubricating oil can be poured into the valve rod 2 through the oil guide groove 23 when the valve rod 2 is difficult to open, the condition that the valve rod 2 is rusty and difficult to rotate is avoided, and the phenomenon that the fire-fighting valve body 1 cannot be opened is avoided when the user needs to be opened.
To sum up: this flexible mistake device of preventing of emergency valve of current converter station fire control is through setting up fire control valve body 1, valve rod 2, revolve handle 3, sleeve plate 4, pull handle 5, connect pinion rack 6, gear 7, spacing post 8, drive post 9, adjust frame 10, connecting plate 11 and chucking board 12's cooperation is used, has solved current emergency valve of current converter station and has not had the effect of preventing the mistake touch, and the condition of mistake opening appears easily in the inspection personnel or the staff of current converter station, and rivers flow out extremely easily and cause the harm to the power equipment in the current converter station after the mistake is opened, makes the power equipment short circuit to endanger the problem of whole current converter station.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a flexible type error prevention device of emergency fire control valve of convertor station, includes fire control valve body (1), valve rod (2), spiral handle (3) and sleeve board (4), valve rod (2) swing joint is in the top of fire control valve body (1), spiral handle (3) fixed connection is in the top of valve rod (2), sleeve board (4) threaded connection is in the surface of valve rod (2), the bottom of sleeve board (4) and the top fixed connection of fire control valve body (1), its characterized in that: still including pulling handle (5), connecting pinion rack (6), gear (7), spacing post (8), transmission post (9), adjusting frame (10), connecting plate (11) and chucking board (12), pull handle (5) set up in the positive top of pinion rack (4), connect pinion rack (6) fixed connection in the both sides at handle (5) back, the back of connecting pinion rack (6) runs through to the inside of pinion rack (4), gear (7) are located the inside of pinion rack (4) and mesh in one side opposite to connecting pinion rack (6), spacing post (8) swing joint is in the inside of gear (7), the bottom of spacing post (8) and the inner wall fixed connection of pinion rack (4), transmission post (9) fixed connection is in the top of gear (7), adjusting frame (10) sliding connection is in the surface of transmission post (9), the both sides of adjusting frame (10) all run through to the inside of pinion rack (4), connecting plate (11) fixed connection is in the inside of adjusting frame (10) and is connected in chucking board (12) back (12) through to the inside of connecting plate (2).
2. A flexible anti-misoperation device for a fire emergency valve of a converter station according to claim 1, wherein: the back of the opposite side of the connecting toothed plate (6) is fixedly connected with a stabilizing plate (13), and the stabilizing plate (13) is rectangular.
3. A flexible anti-misoperation device for a fire emergency valve of a converter station according to claim 1, wherein: the top and the bottom of the inner wall of the sleeve plate (4) are fixedly connected with positioning columns (14), the surface of each positioning column (14) is fixedly connected with a limiting sleeve (15), and the limiting sleeve (15) is made of rubber.
4. A flexible anti-misoperation device for a fire emergency valve of a converter station according to claim 1, wherein: grooves (16) are formed in the rear sides of the top and the bottom of the pull handle (5), and clamping grooves (17) matched with the clamping plates (12) are formed in the front face of the valve rod (2).
5. A flexible anti-misoperation device for a fire emergency valve of a converter station according to claim 1, wherein: the front of the sleeve plate (4) is provided with an open slot (18) matched with the pull handle (5), the rear sides of the two sides of the inner wall of the open slot (18) are fixedly connected with guide blocks (19), and the two sides of the pull handle (5) are provided with guide slots (20) matched with the guide blocks (19).
6. A flexible anti-misoperation device for a fire emergency valve of a converter station according to claim 1, wherein: the front fixedly connected with of valve rod (2) indicates piece (21), indicate piece (21) are located the top of nest plate (4), the top fixedly connected with of nest plate (4) cooperates triangle piece (22) that indicate piece (21) use.
7. A flexible anti-misoperation device for a fire emergency valve of a converter station according to claim 1, wherein: both sides of the inner wall of the sleeve plate (4) are fixedly connected with oil guide grooves (23), and the length of the oil guide grooves (23) is the same as that of the sleeve plate (4).
8. The flexible anti-misoperation device for the fire emergency valve of the converter station according to claim 7, wherein: the top of oil guide groove (23) is provided with filling stopper (24), the opposite one side fixedly connected with of filling stopper (24) detains cap (25), buckle groove (26) that cap (25) were detained in the cooperation were used are all seted up to the both sides at cover board (4) top, detain cap (25) and buckle groove (26) interference fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111106957.0A CN113685608B (en) | 2021-09-22 | 2021-09-22 | Flexible error-preventing device for fire emergency valve of converter station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111106957.0A CN113685608B (en) | 2021-09-22 | 2021-09-22 | Flexible error-preventing device for fire emergency valve of converter station |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113685608A CN113685608A (en) | 2021-11-23 |
| CN113685608B true CN113685608B (en) | 2024-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111106957.0A Active CN113685608B (en) | 2021-09-22 | 2021-09-22 | Flexible error-preventing device for fire emergency valve of converter station |
Country Status (1)
| Country | Link |
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| CN (1) | CN113685608B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118178944B (en) * | 2024-05-16 | 2024-07-09 | 鸿安消防设备有限公司 | Indoor fire hydrant |
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| KR200480250Y1 (en) * | 2015-10-20 | 2016-04-29 | 삼창주철공업(주) | Butterfly Valve |
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| CN112178267A (en) * | 2020-10-13 | 2021-01-05 | 刘径池 | Anti-theft and anti-misoperation manual valve |
| CN213871174U (en) * | 2020-09-14 | 2021-08-03 | 上海航续环保科技有限公司 | Durable bypass valve with anti-rotation structure |
| CN213899954U (en) * | 2020-11-25 | 2021-08-06 | 浙江申瑞流体控制有限责任公司 | Practical gate valve |
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2021
- 2021-09-22 CN CN202111106957.0A patent/CN113685608B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200480250Y1 (en) * | 2015-10-20 | 2016-04-29 | 삼창주철공업(주) | Butterfly Valve |
| CN207378175U (en) * | 2017-09-19 | 2018-05-18 | 沈阳普越实业有限公司 | A kind of good butterfly valve of sealing effect |
| KR20190142968A (en) * | 2018-06-19 | 2019-12-30 | 주식회사 유니락 | Locking valve |
| CN109340391A (en) * | 2018-11-30 | 2019-02-15 | 雷纳德流体智能科技江苏股份有限公司 | A kind of flow adjustable cut-off valve |
| CN212056076U (en) * | 2020-04-22 | 2020-12-01 | 深圳市格适尔建筑有限公司 | Child lock type water faucet |
| CN213871174U (en) * | 2020-09-14 | 2021-08-03 | 上海航续环保科技有限公司 | Durable bypass valve with anti-rotation structure |
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| CN213899954U (en) * | 2020-11-25 | 2021-08-06 | 浙江申瑞流体控制有限责任公司 | Practical gate valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113685608A (en) | 2021-11-23 |
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