CN108223856A - A kind of control method for automatically shutting down safety-valve - Google Patents
A kind of control method for automatically shutting down safety-valve Download PDFInfo
- Publication number
- CN108223856A CN108223856A CN201711449198.1A CN201711449198A CN108223856A CN 108223856 A CN108223856 A CN 108223856A CN 201711449198 A CN201711449198 A CN 201711449198A CN 108223856 A CN108223856 A CN 108223856A
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- China
- Prior art keywords
- elastic force
- valve
- gag lever
- lever post
- cylinder
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Classifications
-
- 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
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
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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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/04—Construction of housing; Use of materials therefor of sliding valves
- F16K27/044—Construction of housing; Use of materials therefor of sliding valves slide valves with flat obturating members
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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
- F16K31/14—Actuating devices; Operating means; Releasing devices actuated by fluid for mounting on, or in combination with, hand-actuated valves
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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
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Safety Valves (AREA)
Abstract
The present invention relates to valve technology fields, and in particular to a kind of control method for automatically shutting down safety-valve.The present invention detects the pressure condition of pressure pipeline by pressure sensor in real time, when pressure sensor detects that the pressure of pressure pipeline is excessive, wireless communication device one transmits signals to wireless communication device two, cylinder starts after receiving information, movable plate is pushed down on, valve rod below movable plate drives flashboard to move downward, and realizes Shuttoff Valve, blocks the purpose of medium conveying.When movable plate is pushed at gag lever post by cylinder, movable plate squeezes the inclined-plane of gag lever post, gag lever post is pushed outside elastic force cylinder, when the inner surface of the inclined-plane lower end of gag lever post and elastic force cylinder side wall is located in same perpendicular, after movable plate passes through gag lever post, gag lever post is sprung back under the effect of two elastic force of spring, by the position restriction of movable plate.
Description
Technical field
The present invention relates to valve technology fields, and in particular to a kind of control method for automatically shutting down safety-valve.
Background technology
Oil, Gas Industry pressure piping and container long, dielectric corrosion and erosion can have rupture because of usage time
Risk.Serious threat may be caused to personnel safety, environmental pollution, with increase of the country to safe and environment-friendly attention degree,
At present, oil, natural gas production unit have all put into effect some new policies, and safety and environmental protection are ensured.Each valve production
Producer begins one's study safety shut-off valve technology, has occurred the safety valve of specification currently on the market, conventional having is electronic, gas
Move, surging voluntarily drives these types of mode control mode with pipeline pressure, the main purpose of safety shut-off valve be pressure oscillation compared with
When big, the conveying of pipeline medium can be voluntarily blocked, so as to achieve the purpose that protect downstream line, equipment safety.These cut safely
Disconnected valve can meet 70% market demand, but still also have on some well stations since condition lacks, it is impossible to meet these equipment and use item
Part.The cost built to reduce station, reduces the risk in production process.
Invention content
It is an object of the present invention to for problems of the prior art, a kind of safety-valve that automatically shuts down is proposed
Control method when the pressure of pressure pipeline is larger, is automatically closed, and blocks the conveying of pipeline medium.
A kind of control method for automatically shutting down safety-valve, including：
Pressure sensor detects the pressure condition of pressure pipeline in real time, when pressure sensor detects that the pressure of pressure pipeline is excessive
When, wireless communication device one transmits signals to wireless communication device two；Cylinder starts after receiving information, and movable plate is downward
It pushes away, the valve rod below movable plate drives flashboard to move downward, Shuttoff Valve；
When movable plate is pushed at gag lever post by cylinder, movable plate squeezes the inclined-plane of gag lever post, and gag lever post is extrapolated to elastic force cylinder
Dynamic, when the inner surface of the inclined-plane lower end of gag lever post and elastic force cylinder side wall is located in same perpendicular, movable plate passes through limiting
After bar, gag lever post is sprung back under the effect of two elastic force of spring, by the position restriction of movable plate.
After the pressure pipeline restores normal, the end of handle is pressed, handle pushes down on montant, and montant drives connection
Bar moves downward, and connecting rod drives compression bar to move downward, and compression bar is gone to squeeze gag lever post with inclined-plane during moving downward
Cap drives gag lever post to move out, when the inner surface of the lower end on gag lever post inclined-plane and elastic force cylinder side wall is located at same perpendicular
When interior, movable plate returns to original position under the action of one elastic force of spring, and flashboard is driven to move upwards, and opens valve.
The reaction gate valve includes flashboard, and the lower part of flashboard is provided with through-hole, and the diameter of through-hole is greater than or equal to pressure
The diameter of pipeline；The top of flashboard is connected with elastic force cylinder；Promising reaction gate valve is set to provide power at the top of reaction gate valve
Elastic force cylinder；Cylinder is provided at the top of elastic force cylinder；Pressure sensor, pressure sensor and pressure are provided on the reaction gate valve
Hydraulic piping is connected；Limiting device is additionally provided on the side wall of the elastic force cylinder.
Movable plate is provided in the elastic force cylinder, spring one, movable plate are provided between movable plate and the bottom of elastic force cylinder
Lower section is provided with valve rod, and valve rod passes through the bottom wall of elastic force cylinder to be connected with the top of flashboard；The cylinder is set to the top of movable plate
Portion.
Thermal insulation layer one and fireprotection layer one are respectively arranged on the outside of the pressure sensor；The outside of the cylinder is set respectively
There are thermal insulation layer two and fireprotection layer two；Wireless communication device one, the top of the cylinder are provided at the top of the pressure sensor
Two pressure sensor of wireless communication device is provided with wireless communication device one to be connected；Cylinder is connected with wireless communication device two.
The limiting device includes gag lever post, and one end of gag lever post passes through the side wall of elastic force cylinder to be set in elastic force cylinder, separately
One end is provided with circular limiting pole cap；It is inclined-plane, the upper end on inclined-plane and elastic force cylinder that gag lever post, which passes through the end of elastic force cylinder side wall,
Inner surface contacts, and the lower end on inclined-plane is set between the inner wall of elastic force cylinder and spring one；Limiting pole cap is outer with elastic force cylinder side wall
Spring two is provided between surface；Gag lever post is set between the bottom wall of movable plate and elastic force cylinder.
The limiting device further includes compression bar, connecting rod, montant and handle；The compression bar is arranged in parallel with limiting pole cap,
And the top of limiting pole cap is set to, the lower end of compression bar is inclined-plane, and the minimum point on inclined-plane is set to limiting pole cap and elastic force cylinder
Between；Compression bar is fixed in connecting rod, and connecting rod one end is connected with compression bar, and the other end is connected with vertical montant, montant lower end
It is connected with connecting rod, upper end is hinged with handle；Handle is side walls hinged with elastic force cylinder.
The limiting device further includes fixed block, and fixed block is set between handle and connecting rod, and fixed block and elastic force
The side wall of cylinder is fixedly connected；The through-hole passed through for montant is provided on fixed block, montant passes through through-hole to connect with fixed block activity
It connects.
Limited block is provided on montant between the fixed block and handle, limited block is fixedly connected with montant, limited block
Spring three is provided between fixed block.
There are two the gag lever posts, is separately positioned on the both sides of elastic force cylinder, there are two the compression bars, is separately positioned on elastic force
The both sides of cylinder, the connecting rod are arc, and the both ends of connecting rod are connected respectively with compression bar, and the middle part of connecting rod is connected with montant.
By adopting the above-described technical solution, the beneficial effects of the invention are as follows：
The present invention detects the pressure condition of pressure pipeline by pressure sensor in real time, when pressure sensor detects pressure pipeline
Pressure it is excessive when, wireless communication device one transmits signals to wireless communication device two, and cylinder starts after receiving information, will
Movable plate pushes down on, and the valve rod below movable plate drives flashboard to move downward, and realizes Shuttoff Valve, blocks the mesh of medium conveying
's.
When if fire occurs for the environment of valve installation, fireprotection layer and thermal insulation layer ensure that pressure sensor is gentle respectively
The electric elements such as cylinder are not influenced by flame and high temperature, ensure the normal turn-off of valve.Wireless communication device one and wireless communication
Using wireless communication between device two, reduce the trouble of route arrangement, colleague has also prevented flame or high temperature to communication line
Influence.
When movable plate is pushed at gag lever post by cylinder, movable plate squeezes the inclined-plane of gag lever post, by gag lever post to elastic force
It is pushed outside cylinder, when the inner surface of the lower end on gag lever post inclined-plane and elastic force cylinder side wall is located in same perpendicular, movable plate is worn
Gag lever post is crossed, gag lever post is sprung back under the effect of two elastic force of spring at this time, at this time can be by cylinder by the position restriction of movable plate
Thrust venting, it is energy saving.
After pressure pipeline restores normal, the end of handle is pressed, handle pushes down on montant, and montant drives connecting rod
It moving downward, motion bar drives compression bar to move downward, and compression bar is gone to squeeze limiting pole cap with inclined-plane during moving downward,
Gag lever post is driven to move out, when the inner surface of the lower end on gag lever post inclined-plane and elastic force cylinder side wall is located in same perpendicular
When, movable plate returns to original position under the action of one elastic force of spring, flashboard is driven to move upwards, so as to fulfill the opening of valve.This
Pressings of the Shi Songkai to handle, montant return to original position under the elastic force effect of spring three, and gag lever post is acted in the elastic force of spring two
Under return to original position.
Description of the drawings
The following drawings are only intended to schematically illustrate and explain the present invention, not delimit the scope of the invention.Wherein：
Fig. 1 is of the present invention to automatically shut down safety-valve structure diagram；
Fig. 2 is of the present invention to automatically shut down safety-valve structure right view.
It is marked in figure：1st, flashboard；2nd, through-hole；3rd, reaction gate valve；4th, pressure pipeline；5th, pressure sensor；6th, elastic force cylinder；
7th, valve rod；8th, movable plate；9th, wireless communication device one；10th, thermal insulation layer one；11st, fireprotection layer one；12nd, fireprotection layer two；13rd, it is wireless
Communication device two；14th, thermal insulation layer two；15th, cylinder；16th, spring one；17th, compression bar；18th, pole cap is limited；19th, spring two；20th, even
Extension bar；21st, fixed block；22nd, spring three；23rd, limited block；24th, montant；25th, handle；26th, gag lever post.
Specific embodiment
Below in conjunction with the accompanying drawings, the present invention is described in detail.
Purpose, technical scheme and advantage to make the embodiment of the present invention are clearer, below in conjunction with the embodiment of the present invention
In attached drawing, the technical solution in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be configured to arrange and design with a variety of different.
Therefore, below the detailed description of the embodiment of the present invention to providing in the accompanying drawings be not intended to limit it is claimed
The scope of the present invention, but be merely representative of the present invention selected embodiment.Based on the embodiments of the present invention, this field is common
Technical staff's all other embodiments obtained without creative efforts belong to the model that the present invention protects
It encloses.
It should be noted that：Similar label and letter represents similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need to that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it should be noted that term " on ", " vertical ", " interior ", the orientation of instructions such as " outer " or
Position relationship be based on orientation shown in the drawings or position relationship or the invention product using when the orientation usually put or
The orientation or position relationship that position relationship or those skilled in the art usually understand are for only for ease of the description present invention
There must be specific orientation with the device or element for simplifying description rather than instruction or hint meaning, with specific orientation structure
It makes and operates, therefore be not considered as limiting the invention.In addition, term " first ", " second " etc. are only used for distinguishing description,
And it is not intended that instruction or hint relative importance.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ",
" installation ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integrally connect
It connects；Can be mechanical connection or electrical connection；It can be directly connected, can also be indirectly connected by intermediary, it can
To be the connection inside two elements.For the ordinary skill in the art, can above-mentioned term be understood with concrete condition
Concrete meaning in the present invention.
Embodiment 1
As a kind of preferred embodiment of the present invention, present embodiment discloses a kind of control method for automatically shutting down safety-valve,
The present embodiment includes：
A kind of control method for automatically shutting down safety-valve, including：
Pressure sensor 5 detects the pressure condition of pressure pipeline 4 in real time, when pressure sensor 5 detects the pressure of pressure pipeline 4
When excessive, wireless communication device 1 transmits signals to wireless communication device 2 13；Cylinder 15 starts after receiving information, will
Movable plate 8 pushes down on, and the valve rod 7 of 8 lower section of movable plate drives flashboard 1 to move downward, Shuttoff Valve；
When movable plate 8 is pushed at gag lever post 26 by cylinder 15, movable plate 8 squeeze gag lever post 26 inclined-plane, by gag lever post 26 to
It is pushed outside elastic force cylinder 6, when the inner surface of the inclined-plane lower end of gag lever post 26 and 6 side wall of elastic force cylinder is located in same perpendicular,
After movable plate 8 passes through gag lever post 26, gag lever post 26 is sprung back under the effect of 2 19 elastic force of spring, by the position restriction of movable plate 8.
After the pressure pipe 4 restores normal, the end of handle 25 is pressed, handle 25 pushes down on montant 24, montant
24 drive connecting rods 20 move downward, and connecting rod 20 drives compression bar 17 to move downward, and compression bar 17 is used during moving downward
Inclined-plane goes to squeeze limiting pole cap 18, gag lever post 26 is driven to move out, when the lower end on 26 inclined-plane of gag lever post and 6 side wall of elastic force cylinder
When inner surface is located in same perpendicular, movable plate 8 returns to original position under the action of one 16 elastic force of spring, drive flashboard 1 to
Valve is opened in upper movement.
The reaction gate valve 3 includes flashboard 1, and the lower part of flashboard 1 is provided with through-hole 2, and the diameter of through-hole 2 is greater than or equal to
The diameter of pressure pipeline 4；The top of flashboard 1 is connected with elastic force cylinder 6；3 top of reaction gate valve sets promising reaction gate valve 3 to carry
For the elastic force cylinder 6 of power；The top of elastic force cylinder 6 is provided with cylinder 15；Pressure sensor 5 is provided on the reaction gate valve 3,
Pressure sensor 5 is connected with pressure pipeline 4；Limiting device is additionally provided on the side wall of the elastic force cylinder 6.
Movable plate 8 is provided in the elastic force cylinder 6, spring 1 is provided between movable plate 8 and the bottom of elastic force cylinder 6,
8 lower section of movable plate is provided with valve rod 7, and valve rod 7 passes through the bottom wall of elastic force cylinder 6 to be connected with the top of flashboard 1；The cylinder 15 is set
In the top of movable plate 8.
5 outside of pressure sensor is respectively arranged with thermal insulation layer 1 and fireprotection layer 1；The outside of the cylinder 15
It is respectively arranged with thermal insulation layer 2 14 and fireprotection layer 2 12；The top of the pressure sensor 5 is provided with wireless communication device 1,
The top of the cylinder 15 is provided with 2 13 pressure sensor 5 of wireless communication device and is connected with wireless communication device 1；Cylinder 15
It is connected with wireless communication device 2 13.
The limiting device includes gag lever post 26, and one end of gag lever post 26 passes through the side wall of elastic force cylinder 6 to be set to elastic force cylinder 6
Interior, the other end is provided with circular limiting pole cap 18；Gag lever post 26 passes through the end of 6 side wall of elastic force cylinder as inclined-plane, inclined-plane it is upper
End is contacted with 6 inner surface of elastic force cylinder, and the lower end on inclined-plane is set between the inner wall of elastic force cylinder 6 and spring 1；Limit pole cap 18
Spring 2 19 is provided between the outer surface of 6 side wall of elastic force cylinder；Gag lever post 26 is set to the bottom wall of movable plate 8 and elastic force cylinder 6
Between.
The limiting device further includes compression bar 17, connecting rod 20, montant 24 and handle 25；The compression bar 17 and limiting pole cap
18 are arranged in parallel, and are set to the top of limiting pole cap 18, and the lower end of compression bar 17 is inclined-plane, and the minimum point on inclined-plane is set to limit
Between position pole cap 18 and elastic force cylinder 6；Compression bar 17 is fixed in connecting rod 20, and 20 one end of connecting rod is connected with compression bar 17, the other end
It is connected with vertical montant 24,24 lower end of montant is connected with connecting rod 20, and upper end is hinged with handle 25；Handle 25 and elastic force cylinder 6
It is side walls hinged.
The limiting device further includes fixed block 21, and fixed block 21 is set between handle and connecting rod 20, and fixed block
21 are fixedly connected with the side wall of elastic force cylinder 6；Be provided with the through-hole passed through for montant 24 on fixed block 21, montant pass through through-hole with
Fixed block 21 is flexibly connected.
Limited block 23 is provided on montant 24 between the fixed block 21 and handle 25, limited block 23 is fixed with montant 24
Connection, is provided with spring 3 22 between limited block 23 and fixed block 21.
There are two the gag lever posts 26, is separately positioned on the both sides of elastic force cylinder 6, there are two the compression bars 17, sets respectively
In the both sides of elastic force cylinder 6, the connecting rod 20 is arc, and the both ends of connecting rod 20 are connected respectively with compression bar 17, connecting rod 20
Middle part is connected with montant 24.
Embodiment 2
As a kind of preferred embodiment of the present invention, present embodiment discloses a kind of control method for automatically shutting down safety-valve,
The present embodiment includes：
A kind of control method for automatically shutting down safety-valve, including：
Pressure sensor 5 detects the pressure condition of pressure pipeline 4 in real time, when pressure sensor 5 detects the pressure of pressure pipeline 4
When excessive, wireless communication device 1 transmits signals to wireless communication device 2 13；Cylinder 15 starts after receiving information, will
Movable plate 8 pushes down on, and the valve rod 7 of 8 lower section of movable plate drives flashboard 1 to move downward, Shuttoff Valve；
When movable plate 8 is pushed at gag lever post 26 by cylinder 15, movable plate 8 squeeze gag lever post 26 inclined-plane, by gag lever post 26 to
It is pushed outside elastic force cylinder 6, when the inner surface of the inclined-plane lower end of gag lever post 26 and 6 side wall of elastic force cylinder is located in same perpendicular,
After movable plate 8 passes through gag lever post 26, gag lever post 26 is sprung back under the effect of 2 19 elastic force of spring, by the position restriction of movable plate 8.
After the pressure pipe 4 restores normal, the end of handle 25 is pressed, handle 25 pushes down on montant 24, montant
24 drive connecting rods 20 move downward, and connecting rod 20 drives compression bar 17 to move downward, and compression bar 17 is used during moving downward
Inclined-plane goes to squeeze limiting pole cap 18, gag lever post 26 is driven to move out, when the lower end on 26 inclined-plane of gag lever post and 6 side wall of elastic force cylinder
When inner surface is located in same perpendicular, movable plate 8 returns to original position under the action of one 16 elastic force of spring, drive flashboard 1 to
Valve is opened in upper movement.
Embodiment described above only expresses the specific embodiment of the application, and description is more specific and detailed, but simultaneously
Cannot the limitation to the application protection domain therefore be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, under the premise of technical scheme design is not departed from, various modifications and improvements can be made, these belong to this
The protection domain of application.
Claims (10)
1. a kind of control method for automatically shutting down safety-valve, which is characterized in that including：
Pressure sensor（5）Detection pressure pipeline in real time（4）Pressure condition, work as pressure sensor（5）Detect pressure pipeline
（4）Pressure it is excessive when, wireless communication device one（9）Transmit signals to wireless communication device two（13）；Cylinder（15）It receives
Start after to information, by movable plate（8）It pushes down on, movable plate（8）The valve rod of lower section（7）Drive flashboard（1）It moves downward, turns off
Valve；
Cylinder（15）By movable plate（8）It is pushed to gag lever post（26）During place, movable plate（8）Squeeze gag lever post（26）Inclined-plane, will
Gag lever post（26）To elastic force cylinder（6）Outer promotion, works as gag lever post（26）Inclined-plane lower end and elastic force cylinder（6）The inner surface of side wall is located at
When in same perpendicular, movable plate（8）Across gag lever post（26）Afterwards, gag lever post（26）In spring two（19）Elastic force acts on next time
Bullet, by movable plate（8）Position restriction.
2. the control method according to claim 1 for automatically shutting down safety-valve, it is characterised in that：The pressure pipe（4）
After road restores normal, handle is pressed（25）End, handle（25）By montant（24）It pushes down on, montant（24）Drive connecting rod
（20）It moves downward, connecting rod（20）Drive compression bar（17）It moves downward, compression bar（17）During moving downward, inclined-plane is used
It goes to squeeze limiting pole cap（18）, drive gag lever post（26）It moves out, works as gag lever post（26）The lower end on inclined-plane and elastic force cylinder（6）Side
When the inner surface of wall is located in same perpendicular, movable plate（8）In spring one（16）Original position is returned under the action of elastic force, is driven
Flashboard（1）It moves upwards, opens valve.
3. the control method according to claim 2 for automatically shutting down safety-valve, it is characterised in that：The reaction gate valve
（3）Including flashboard（1）, flashboard（1）Lower part be provided with through-hole（2）, through-hole（2）Diameter be greater than or equal to pressure pipeline（4）
Diameter；Flashboard（1）Top and elastic force cylinder（6）It is connected；Reaction gate valve（3）Top sets promising reaction gate valve（3）It carries
For the elastic force cylinder of power（6）；Elastic force cylinder（6）Top be provided with cylinder（15）；The reaction gate valve（3）On be provided with pressure
Sensor（5）, pressure sensor（5）With pressure pipeline（4）It is connected；The elastic force cylinder（6）Side wall on be additionally provided with limiting dress
It puts.
4. the control method according to claim 3 for automatically shutting down safety-valve, it is characterised in that：The elastic force cylinder（6）
Inside it is provided with movable plate（8）, movable plate（8）With elastic force cylinder（6）Bottom between be provided with spring one（16）, movable plate（8）Under
Side is provided with valve rod（7）, valve rod（7）Across elastic force cylinder（6）Bottom wall and flashboard（1）Top be connected；The cylinder（15）If
It is placed in movable plate（8）Top.
5. the control method according to claim 1 for automatically shutting down safety-valve, it is characterised in that：The pressure sensor
（5）Outside is respectively arranged with thermal insulation layer one（10）With fireprotection layer one（11）；The cylinder（15）Outside be respectively arranged with it is heat-insulated
Layer two（14）With fireprotection layer two（12）；The pressure sensor（5）Top be provided with wireless communication device one（9）, the gas
Cylinder（15）Top be provided with wireless communication device two（13）Pressure sensor（5）With wireless communication device one（9）It is connected；Cylinder
（15）With wireless communication device two（13）It is connected.
6. the control method for automatically shutting down safety-valve stated according to claim 3, it is characterised in that：The limiting device includes
Gag lever post（26）, gag lever post（26）One end pass through elastic force cylinder（6）Side wall be set to elastic force cylinder（6）Interior, the other end is provided with
Circular limiting pole cap（18）；Gag lever post（26）Across elastic force cylinder（6）The end of side wall is inclined-plane, the upper end on inclined-plane and elastic force cylinder
（6）Inner surface contacts, and the lower end on inclined-plane is set to elastic force cylinder（6）Inner wall and spring one（16）Between；Limit pole cap（18）With
Elastic force cylinder（6）Spring two is provided between the outer surface of side wall（19）；Gag lever post（26）It is set to movable plate（8）With elastic force cylinder
（6）Bottom wall between.
7. the control method for automatically shutting down safety-valve stated according to claim 6, it is characterised in that：The limiting device also wraps
Include compression bar（17）, connecting rod（20）, montant（24）And handle（25）；The compression bar（17）With limiting pole cap（18）It is arranged in parallel,
And it is set to limiting pole cap（18）Top, compression bar（17）Lower end for inclined-plane, the minimum point on inclined-plane is set to limiting pole cap
（18）With elastic force cylinder（6）Between；Compression bar（17）It is fixed on connecting rod（20）On, connecting rod（20）One end and compression bar（17）It is connected,
The other end and vertical montant（24）It is connected, montant（24）Lower end and connecting rod（20）It is connected, upper end and handle（25）It is hinged；Hand
Handle（25）With elastic force cylinder（6）It is side walls hinged.
8. the control method for automatically shutting down safety-valve stated according to claim 7, it is characterised in that：The limiting device also wraps
Include fixed block（21）, fixed block（21）It is set to handle and connecting rod（20）Between, and fixed block（21）With elastic force cylinder（6）Side
Wall is fixedly connected；Fixed block（21）On be provided with for montant（24）The through-hole passed through, montant pass through through-hole and fixed block（21）
Flexible connection.
9. the control method for automatically shutting down safety-valve stated according to claim 8, it is characterised in that：The fixed block（21）With
Handle（25）Between montant（24）On be provided with limited block（23）, limited block（23）With montant（24）It is fixedly connected, limited block
（23）With fixed block（21）Between be provided with spring three（22）.
10. the automatic valve stated according to claim 9, it is characterised in that：The gag lever post（26）There are two, it is separately positioned on bullet
Power cylinder（6）Both sides, the compression bar（17）There are two, it is separately positioned on elastic force cylinder（6）Both sides, the connecting rod（20）For arc
Shape, connecting rod（20）Both ends respectively with compression bar（17）It is connected, connecting rod（20）Middle part and montant（24）It is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711449198.1A CN108223856A (en) | 2017-12-27 | 2017-12-27 | A kind of control method for automatically shutting down safety-valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711449198.1A CN108223856A (en) | 2017-12-27 | 2017-12-27 | A kind of control method for automatically shutting down safety-valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108223856A true CN108223856A (en) | 2018-06-29 |
Family
ID=62649319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711449198.1A Withdrawn CN108223856A (en) | 2017-12-27 | 2017-12-27 | A kind of control method for automatically shutting down safety-valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108223856A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111048286A (en) * | 2019-12-24 | 2020-04-21 | 杭州优朴信息技术有限公司 | Be applied to connecting piece on transformer respirator |
| CN114263775A (en) * | 2021-12-22 | 2022-04-01 | 西安安森智能仪器股份有限公司 | Emergency cut-off valve |
| CN116081334A (en) * | 2023-02-23 | 2023-05-09 | 武汉宇格电力设备有限公司 | Automatic shutdown system for loose filling machine during gas loss |
| WO2024032240A1 (en) * | 2022-08-12 | 2024-02-15 | 上海电子信息职业技术学院 | Double-safety intelligent safety valve |
-
2017
- 2017-12-27 CN CN201711449198.1A patent/CN108223856A/en not_active Withdrawn
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111048286A (en) * | 2019-12-24 | 2020-04-21 | 杭州优朴信息技术有限公司 | Be applied to connecting piece on transformer respirator |
| CN114263775A (en) * | 2021-12-22 | 2022-04-01 | 西安安森智能仪器股份有限公司 | Emergency cut-off valve |
| CN114263775B (en) * | 2021-12-22 | 2023-08-15 | 西安安森智能仪器股份有限公司 | Emergency cut-off valve |
| WO2024032240A1 (en) * | 2022-08-12 | 2024-02-15 | 上海电子信息职业技术学院 | Double-safety intelligent safety valve |
| CN116081334A (en) * | 2023-02-23 | 2023-05-09 | 武汉宇格电力设备有限公司 | Automatic shutdown system for loose filling machine during gas loss |
| CN116081334B (en) * | 2023-02-23 | 2023-08-22 | 武汉宇格电力设备有限公司 | Automatic shutdown system for loose filling machine during gas loss |
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Application publication date: 20180629 |