CN110345271A - A kind of total closed type gate valve and its working method - Google Patents
A kind of total closed type gate valve and its working method Download PDFInfo
- Publication number
- CN110345271A CN110345271A CN201910715024.8A CN201910715024A CN110345271A CN 110345271 A CN110345271 A CN 110345271A CN 201910715024 A CN201910715024 A CN 201910715024A CN 110345271 A CN110345271 A CN 110345271A
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- shell
- bellows
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- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000007789 sealing Methods 0.000 claims abstract description 90
- 230000005540 biological transmission Effects 0.000 claims abstract description 32
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 12
- 238000004140 cleaning Methods 0.000 claims description 9
- 239000000428 dust Substances 0.000 claims description 9
- 238000010926 purge Methods 0.000 claims description 9
- 229910052757 nitrogen Inorganic materials 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 4
- 239000007789 gas Substances 0.000 claims description 4
- 230000033001 locomotion Effects 0.000 claims description 4
- 239000012141 concentrate Substances 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 claims 1
- 230000008450 motivation Effects 0.000 claims 1
- 239000000126 substance Substances 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 5
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000000505 pernicious effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000009423 ventilation 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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
- F16K3/16—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with special arrangements for separating the sealing faces or for pressing them together
- F16K3/18—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with special arrangements for separating the sealing faces or for pressing them together by movement of the closure members
-
- 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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/30—Details
-
- 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
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
-
- 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
- F16K31/44—Mechanical actuating means
- F16K31/53—Mechanical actuating means with toothed gearing
- F16K31/54—Mechanical actuating means with toothed gearing with pinion and rack
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Valves (AREA)
Abstract
The present invention relates to a kind of total closed type gate valve and its working methods, the gate valve includes shell, before the shell, rear portion opposite direction offers through-hole, before the shell, rear through hole is inwardly connected separately with adapter tube, bellows, equipped with plate and for driving what plate moved left and right in shell to walk board motor and plate transmission mechanism in the shell, the plate is equipped with the blind plate and through-hole that diameter and tube diameter are adapted, the plate is set on front side of adapter tube sealing surface, adapter tube sealing surface is blocked or opened when it is moved left and right, the shifting pipe motor and bellows transmission mechanism for driving corrugated pipe sealing surface to be moved forward and backward are equipped in the shell, when plate blocks or opens adapter tube sealing surface, corrugated pipe sealing surface is driven to move forward, compress plate and adapter tube sealing surface, to guarantee to close the leakproofness of valve and valve opening.The gate valve is conducive to improve sealing reliability, and sealing substance is effectively prevent to leak.
Description
Technical field
The present invention relates to valve technology fields, and in particular to a kind of total closed type gate valve and its working method.
Background technique
During the motion, there is friction between valve plate and sealing device in the valve plate of gate valve, after long-time use, sealing
Device is easily damaged, and sealing reliability is caused to be deteriorated, so that the dust in valve chamber leaks out outside valve body, influences site environment.Meanwhile
If the case where airtightness is deteriorated, and gate valve is by revealing, once air-tightness cannot be guaranteed, sulfur dioxide and carbon monoxide etc.
Pernicious gas will be leaked out from plate gap, be discharged among atmosphere, be caused environmental pollution.In addition, when gate valve is closed, valve plate position
In in valve chamber, dust can be deposited on valve plate, and when opening gate valve, not only bite phenomenon is obvious, but also the dust on valve plate holds
It is easily moved to outside valve chamber with valve plate, influences site environment.
Summary of the invention
The purpose of the present invention is to provide a kind of total closed type gate valve and its working method, which is conducive to improve
Sealing reliability effectively prevent sealing substance to leak.
To achieve the above object, the technical solution adopted by the present invention is that: a kind of total closed type gate valve, including shell, institute
It states shell front and rear portions opposite direction and offers through-hole, the shell front and rear portions through-hole is inwardly connected separately with adapter tube, bellows, described
Equipped with plate and for driving what plate moved left and right in shell to walk board motor and plate transmission mechanism, the plate in shell
It is equipped with the blind plate and through-hole that diameter and tube diameter are adapted, the plate is set on front side of adapter tube sealing surface, in its left and right
Adapter tube sealing surface is blocked or opened when mobile, and the shifting pipe electricity for driving corrugated pipe sealing surface to be moved forward and backward is equipped in the shell
Machine and bellows transmission mechanism, with when plate blocks or open adapter tube sealing surface, driving corrugated pipe sealing surface is moved forward, pressure
Tight plate and adapter tube sealing surface, to guarantee to close the leakproofness of valve and valve opening.
Further, several blow vents and an exhaust outlet are offered on the shell, to be passed through gas from blow vent
Purging cleaning is carried out to housing cavity, and is discharged from exhaust outlet.
Further, the blow vent is set to upper part of the housing and flanking part, and the exhaust outlet is set to housing bottom, the row
Port is equipped with the ball valve for control switch.
Further, the plate transmission mechanism is mainly by plate driving gear set and the rack gear group being fixed on plate
At, it is described walk board motor output end connect with plate driving gear set, to drive its operating, the plate driving gear set with
Rack gear is cooperatively connected, and is moved left and right with band carry-over bar and plate.
Further, the bellows transmission mechanism is mainly made of bellows driving gear set, gear ring and screw rod group, institute
The output end for stating shifting pipe motor is connect with bellows driving gear set, and to drive its operating, the gear ring is sheathed on bellows
And can be rotated around its peripheral part, the bellows driving gear set and gear ring are cooperatively connected, to drive its rotation, the screw rod group
Multiple screw rods including being distributed in bellows peripheral part, each screw rod rear end is equipped with the gear being cooperatively connected with gear ring, by gear ring
Band moving gear and screw rod rotate, and each screw rod front end and corrugated pipe sealing surface are cooperatively connected, to drive bellows when screw rod rotates
Sealing surface is moved forward or rearward.
Further, the shell includes preceding half shell and Rear housing half, is opened on the preceding half shell and Rear housing half
Sealing is equipped on each access hole equipped with access hole gate valve inside is overhauled and be replaced the sealing ring on plate
Lid.
Further, including control module and operating unit, the operating unit and the input terminal of control module connect, with
Receive operational order, carry out valve opening, close and valve or stop operation, the output end of the control module respectively with walk board motor, move and manage
The control signal of motor connects, to control away board motor and move the work of pipe motor.
The present invention also provides the working method of above-mentioned total closed type gate valve, including valve opening, closes valve and stop operation, institute
It states valve opening operation to carry out as follows: valve opening order being inputted by operating unit, control module executes valve opening operation, and control moves
Pipe motor rotate forward, by bellows transmission mechanism drive corrugated pipe sealing surface move backward, when corrugated pipe sealing surface be moved to it is pre-
If " unclamp in place " position when, move the stalling of pipe motor；After postponing setting time, control module control is walked board motor and is rotated forward, and leads to
It is mobile to cross plate transmission mechanism driving plate forward direction, when plate is moved to preset " opening plate in place " position, the through-hole of plate
Face is intubated sealing surface, walks board motor stalling；After postponing setting time, control module control moves pipe motor reversal, passes through ripple
Pipe transmission mechanism drives corrugated pipe sealing surface to move forward, when corrugated pipe sealing surface is moved to preset " clamping in place " position
When, corrugated pipe sealing surface compresses the through-hole and adapter tube sealing surface of plate, moves the stalling of pipe motor, and valve opening operation executes completion；
The pass valve operation carries out as follows: it is inputted by operating unit and closes valve order, control module, which executes, closes valve operation,
Control moves pipe motor and rotates forward, and drives corrugated pipe sealing surface to move backward by bellows transmission mechanism, when corrugated pipe sealing surface moves
When moving preset " unclamping in place " position, the stalling of pipe motor is moved；After postponing setting time, it is anti-that board motor is walked in control module control
Turn, plate reverse movement is driven by plate transmission mechanism, when plate is moved to preset " closing plate in place " position, plate
Blind plate face is intubated sealing surface, walks board motor stalling；After postponing setting time, control module control moves pipe motor reversal, passes through
Bellows transmission mechanism drives corrugated pipe sealing surface to move forward, when corrugated pipe sealing surface is moved to preset " clamping in place " position
When setting, corrugated pipe sealing surface compresses the blind plate and adapter tube sealing surface of plate, moves the stalling of pipe motor, closes valve operation and executes completion；
It is executing valve opening or is closing in valve operating process, ceased and desisted order by operating unit input, then valve opening or pass valve operation stop
It executes, gate valve can carry out valve opening again or close valve operation after resetting.
Further, purging cleaning operation is carried out to the gate valve to carry out as follows: gate valve being made to be in valve opening
Or close valve operation and execute the state completed, blow vent and exhaust outlet on shell are then opened, and blow vent is connected into nitrogen tube
Exhaust outlet is connected exhaust pipe, is then passed through nitrogen from blow vent by road, carries out purging cleaning, powder to the dust of housing cavity
Dirt is collected to exhaust outlet, concentrates and is discharged from exhaust pipe.
Compared to the prior art, the invention has the following advantages: improving a kind of total closed type gate valve and its work
Make method, which overcomes the existing long-time of existing gate valve and use rear poor sealing effect, and bite phenomenon is serious, sealing
Substance is easy the problems such as leakage pollution environment, carries out switchboard by motor control plate, then compressed by bellows
Mode, realizes the opening and closing of gate valve, to reduce the abrasion of valve, improves the sealing reliability and use of valve
Service life.Meanwhile by being set to external shell, so that even if sealing substance can not also leak into environment from sealing face leakage,
Leaking for sealing substance is effectively prevented, there is very strong practicability and wide application prospect.
Detailed description of the invention
Fig. 1 is the structural schematic diagram (removing Rear housing half) of the embodiment of the present invention.
Fig. 2 is the structural schematic diagram of centerboard of the embodiment of the present invention.
Fig. 3 is the attachment structure schematic diagram of shell and adapter tube in the embodiment of the present invention.
Fig. 4 is the Hermetical connecting structure schematic diagram of adapter tube, bellows and plate in the embodiment of the present invention.
Fig. 5 is the overall appearance schematic diagram of the embodiment of the present invention.
In figure, 1- shell, 2- adapter tube, 3- bellows, 31- corrugated pipe sealing surface, 4- plate, 41- blind plate, 42- through-hole, 5-
Walk board motor, 6- plate transmission mechanism, 61- plate driving gear set, 62- rack gear, 7- shifting pipe motor, 8- bellows driver
Structure, 81- bellows driving gear set, 82- gear ring, 83- screw rod, 84- gear, 9- blow vent, 10- ball valve, half shell before 11-,
12- Rear housing half, 13- access hole, 14- sealing ring.
Specific embodiment
Below in conjunction with the accompanying drawings and specific embodiment, the present invention is described in further details.
The present invention provides a kind of total closed type gate valves, as shown in Figs. 1-5, including shell 1,1 front and rear portions of shell
Opposite direction offers through-hole, and the shell front and rear portions through-hole is inwardly connected separately with adapter tube 2, bellows 3, is equipped in the shell 1
Plate 4 and for driving what plate 4 moved left and right in shell 1 to walk board motor 5 and plate transmission mechanism 6, sets on the plate 4
The blind plate 41 and through-hole 42 for having diameter and 2 diameter of adapter tube to be adapted, the plate 4 are set on front side of adapter tube sealing surface, on its left side
Adapter tube sealing surface is blocked or opened when moving right, and is equipped in the shell 1 for driving corrugated pipe sealing surface 31 to be moved forward and backward
Pipe motor 7 and bellows transmission mechanism 8 are moved, to drive corrugated pipe sealing surface 31 when plate 4 blocks or open adapter tube sealing surface
It moves forward, compresses plate 4 and adapter tube sealing surface, to guarantee to close the leakproofness of valve and valve opening.
The pollutants such as dust offer several blow vents 9 and one on shell internal deposition, the shell 1 in order to prevent
Exhaust outlet carries out purging cleaning to housing cavity to be passed through gas from blow vent 9, and is discharged from exhaust outlet.In the present embodiment,
The blow vent 9 shares 3, is respectively arranged on upper part of the housing and two flanking parts, and the exhaust outlet is set to housing bottom, the ventilation
Mouth is equipped with sealing cover, and the exhaust outlet is equipped with the ball valve 10 for control switch.
As shown in figure 5, the shell 1 includes preceding half shell 11 and Rear housing half 12, before blow vent 9 and exhaust outlet are set to
In half shell, access hole 13 is offered on the preceding half shell 11 and Rear housing half 12, to overhaul to gate valve inside
And the sealing ring on replacement plate, sealing cover 14 is equipped on each access hole 13.
In the present embodiment, the plate transmission mechanism 6 mainly by plate driving gear set 61 and is fixed on plate 4
Rack gear 62 form, it is described walk board motor 5 output end connect with plate driving gear set 61, to drive its operating, the plate
Driving gear set 61 and rack gear 62 are cooperatively connected, and are moved left and right with band carry-over bar 62 and plate 4.The bellows transmission mechanism 8
It is mainly made of bellows driving gear set 81, gear ring 82 and screw rod group, the output end for moving pipe motor 7 and bellows are driven
Gear set 81 connects, and to drive its operating, the gear ring 82 is sheathed on bellows 3 and can rotate around its peripheral part, the wave
Line pipe driving gear set 81 and gear ring 82 are cooperatively connected, and to drive its rotation, the screw rod group includes being distributed in bellows periphery
Multiple screw rods 83 in portion, each screw rod rear end are equipped with the gear 84 that is cooperatively connected with gear ring 82, with by gear ring 82 with moving gear 84 and
Screw rod 83 rotates, and each screw rod front end and corrugated pipe sealing surface 31 are cooperatively connected, to drive corrugated pipe sealing surface when screw rod rotates
31 are moved forward or rearward.
In order to realize the automatic control to gate valve, the invention also includes control module and operating unit, the operation is single
Member is connect with the input terminal of control module, to receive operational order, is carried out valve opening, is closed valve or stop operation, the control module
Output end respectively with walk board motor, move pipe motor control signal connect, with control away board motor and move pipe motor work.
The present invention also provides the working methods of above-mentioned total closed type gate valve, mainly include valve opening, close valve and stop behaviour
Make.
The valve opening operation carries out as follows: inputting valve opening order by operating unit, control module executes valve opening
Operation, control move pipe motor and rotate forward, and drive corrugated pipe sealing surface to move backward by bellows transmission mechanism, work as sylphon seal
When face is moved to preset " unclamping in place " position, the stalling of pipe motor is moved；After postponing setting time, control module controls limp electricity
Machine rotates forward, and drives plate forward direction mobile by plate transmission mechanism, when plate is moved to preset " opening plate in place " position, inserts
The through-hole face of plate is intubated sealing surface, walks board motor stalling；After postponing setting time, control module control moves pipe motor reversal,
Corrugated pipe sealing surface is driven to move forward by bellows transmission mechanism, when corrugated pipe sealing surface is moved to preset " be clamped to
When the position of position ", corrugated pipe sealing surface compresses the through-hole and adapter tube sealing surface of plate, moves the stalling of pipe motor, and valve opening operation has executed
At.
The pass valve operation carries out as follows: being inputted by operating unit and closes valve order, control module, which executes, closes valve
Operation, control move pipe motor and rotate forward, and drive corrugated pipe sealing surface to move backward by bellows transmission mechanism, work as sylphon seal
When face is moved to preset " unclamping in place " position, the stalling of pipe motor is moved；After postponing setting time, control module controls limp electricity
Machine reversion drives plate reverse movement by plate transmission mechanism, when plate is moved to preset " closing plate in place " position, inserts
The blind plate face of plate is intubated sealing surface, walks board motor stalling；After postponing setting time, control module control moves pipe motor reversal,
Corrugated pipe sealing surface is driven to move forward by bellows transmission mechanism, when corrugated pipe sealing surface is moved to preset " be clamped to
When the position of position ", corrugated pipe sealing surface compresses the blind plate and adapter tube sealing surface of plate, moves the stalling of pipe motor, closes valve operation and has executed
At；
It is executing valve opening or is closing in valve operating process, ceased and desisted order by operating unit input, then valve opening or pass valve operation stop
It executes, gate valve can carry out valve opening again or close valve operation after resetting.
When carrying out purging cleaning operation to the gate valve, so that gate valve is in valve opening or is closed valve operation and execute the shape completed
Then state opens blow vent and exhaust outlet on shell, and blow vent is connected nitrogen pipeline, exhaust outlet is connected exhaust pipe
Then road is passed through nitrogen from blow vent, carry out purging cleaning to the dust of housing cavity, dust is collected to exhaust outlet, from exhaust
Pipeline concentrates discharge.
The above are preferred embodiments of the present invention, all any changes made according to the technical solution of the present invention, and generated function is made
When with range without departing from technical solution of the present invention, all belong to the scope of protection of the present invention.
Claims (9)
1. a kind of total closed type gate valve, including shell, which is characterized in that the shell front and rear portions opposite direction offers through-hole, institute
It states shell front and rear portions through-hole and is inwardly connected separately with adapter tube, bellows, plate is equipped in the shell and for driving plate to exist
What is moved left and right in shell walks board motor and plate transmission mechanism, and the plate is adapted equipped with diameter with tube diameter blind
Plate and through-hole, the plate is set on front side of adapter tube sealing surface, described adapter tube sealing surface is blocked or opened when it is moved left and right
The shifting pipe motor and bellows transmission mechanism for driving corrugated pipe sealing surface to be moved forward and backward are equipped in shell, to block in plate
Or when opening adapter tube sealing surface, driving corrugated pipe sealing surface is moved forward, and compresses plate and adapter tube sealing surface, with guarantee pass valve with
The leakproofness of valve opening.
2. a kind of total closed type gate valve according to claim 1, which is characterized in that offer several on the shell
Blow vent and an exhaust outlet carry out purging cleaning to housing cavity to be passed through gas from blow vent, and are discharged from exhaust outlet.
3. a kind of total closed type gate valve according to claim 2, which is characterized in that the blow vent is set to upper part of the housing
And flanking part, the exhaust outlet are set to housing bottom, the exhaust outlet is equipped with the ball valve for control switch.
4. a kind of total closed type gate valve according to claim 1, which is characterized in that the plate transmission mechanism mainly by
Plate driving gear set and the rack gear being fixed on plate form, it is described walk board motor output end and plate driving gear set connect
It connects, to drive its operating, the plate driving gear set and rack gear are cooperatively connected, are moved left and right with band carry-over bar and plate.
5. a kind of total closed type gate valve according to claim 1, which is characterized in that the bellows transmission mechanism is main
It is made of bellows driving gear set, gear ring and screw rod group, the output end for moving pipe motor and bellows driving gear set connect
It connects, to drive its operating, the gear ring is sheathed on bellows and can rotate around its peripheral part, the bellows driving gear set
It is cooperatively connected with gear ring, to drive its rotation, the screw rod group includes the multiple screw rods for being distributed in bellows peripheral part, each screw rod
Rear end is equipped with the gear being cooperatively connected with gear ring, and to be rotated by gear ring band moving gear and screw rod, each screw rod front end and bellows are close
Cover is cooperatively connected, to drive corrugated pipe sealing surface to be moved forward or rearward when screw rod rotates.
6. a kind of total closed type gate valve according to claim 1, which is characterized in that the shell include preceding half shell and
Rear housing half offers access hole on the preceding half shell and Rear housing half, to carry out maintenance and more to gate valve inside
The sealing ring on plate is inserted, is equipped with sealing cover on each access hole.
7. a kind of total closed type gate valve according to claim 1, which is characterized in that single including control module and operation
The input terminal of member, the operating unit and control module connects, and to receive operational order, carries out valve opening, closes valve or stop operation,
The output end of the control module respectively with walk board motor, move pipe motor control signal connect, with control away board motor with
Move the work of pipe motor.
8. a kind of working method of total closed type gate valve, which is characterized in that including valve opening, closes valve and stop operation, it is described to open
Valve operation carries out as follows: inputting valve opening order by operating unit, control module executes valve opening operation, and control moves pipe electricity
Machine rotate forward, by bellows transmission mechanism drive corrugated pipe sealing surface move backward, when corrugated pipe sealing surface be moved to it is preset
When " unclamping in place " position, the stalling of pipe motor is moved；After postponing setting time, control module control is walked board motor and is rotated forward, by inserting
Plate transmission mechanism drives plate forward direction mobile, when plate is moved to preset " opening plate in place " position, the through-hole face of plate
It is intubated sealing surface, walks board motor stalling；After postponing setting time, control module control moves pipe motor reversal, is passed by bellows
Motivation structure drives corrugated pipe sealing surface to move forward, when corrugated pipe sealing surface is moved to preset " clamping in place " position, wave
The through-hole and adapter tube sealing surface of the tight plate of line seal of tube face pressure, move the stalling of pipe motor, and valve opening operation executes completion；
The pass valve operation carries out as follows: it is inputted by operating unit and closes valve order, control module, which executes, closes valve operation,
Control moves pipe motor and rotates forward, and drives corrugated pipe sealing surface to move backward by bellows transmission mechanism, when corrugated pipe sealing surface moves
When moving preset " unclamping in place " position, the stalling of pipe motor is moved；After postponing setting time, it is anti-that board motor is walked in control module control
Turn, plate reverse movement is driven by plate transmission mechanism, when plate is moved to preset " closing plate in place " position, plate
Blind plate face is intubated sealing surface, walks board motor stalling；After postponing setting time, control module control moves pipe motor reversal, passes through
Bellows transmission mechanism drives corrugated pipe sealing surface to move forward, when corrugated pipe sealing surface is moved to preset " clamping in place " position
When setting, corrugated pipe sealing surface compresses the blind plate and adapter tube sealing surface of plate, moves the stalling of pipe motor, closes valve operation and executes completion；
It is executing valve opening or is closing in valve operating process, ceased and desisted order by operating unit input, then valve opening or pass valve operation stop
It executes, gate valve can carry out valve opening again or close valve operation after resetting.
9. a kind of working method of total closed type gate valve according to claim 8, which is characterized in that the gate valve
It carries out purging cleaning operation to carry out as follows: so that gate valve is in valve opening or is closed valve operation and execute the state completed, then
Open the blow vent and exhaust outlet on shell, and blow vent connected into nitrogen pipeline, exhaust outlet is connected into exhaust pipe, then from
Blow vent is passed through nitrogen, carries out purging cleaning to the dust of housing cavity, and dust is collected to exhaust outlet, concentrates and arranges from exhaust pipe
Out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910715024.8A CN110345271A (en) | 2019-08-05 | 2019-08-05 | A kind of total closed type gate valve and its working method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910715024.8A CN110345271A (en) | 2019-08-05 | 2019-08-05 | A kind of total closed type gate valve and its working method |
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| CN110345271A true CN110345271A (en) | 2019-10-18 |
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| CN201910715024.8A Pending CN110345271A (en) | 2019-08-05 | 2019-08-05 | A kind of total closed type gate valve and its working method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114962672A (en) * | 2022-06-21 | 2022-08-30 | 河北石阀机械设备有限公司 | Electric open type gate valve |
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| DE29713428U1 (en) * | 1997-07-28 | 1997-11-20 | Zimmermann & Jansen GmbH, 52355 Düren | Guide tube slide to open and shut off large fluid lines |
| CN2309458Y (en) * | 1997-08-01 | 1999-03-03 | 石家庄市阀门三厂 | Insert plate valve |
| CN201954021U (en) * | 2011-02-23 | 2011-08-31 | 山东鲁临阀门有限公司 | Outleakage-free dual telescopic environment-friendly gate valve |
| CN202252055U (en) * | 2011-09-23 | 2012-05-30 | 启东腾达阀门有限公司 | Open type glasses valve |
| US20180142793A1 (en) * | 2015-04-30 | 2018-05-24 | Self Energising Coupling Company Limited | Coupling and method thereof |
| CN204692621U (en) * | 2015-06-16 | 2015-10-07 | 任新宪 | A kind of Pneumatic double gate valve |
| CN210770347U (en) * | 2019-08-05 | 2020-06-16 | 曹怿男 | Sealing gate valve |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114962672A (en) * | 2022-06-21 | 2022-08-30 | 河北石阀机械设备有限公司 | Electric open type gate valve |
| CN114962672B (en) * | 2022-06-21 | 2023-08-29 | 河北石阀机械设备有限公司 | Electric open type gate valve |
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