CN109519642A - High-risk gas piping isolation service chamber with pressure - Google Patents
High-risk gas piping isolation service chamber with pressure Download PDFInfo
- Publication number
- CN109519642A CN109519642A CN201910060281.2A CN201910060281A CN109519642A CN 109519642 A CN109519642 A CN 109519642A CN 201910060281 A CN201910060281 A CN 201910060281A CN 109519642 A CN109519642 A CN 109519642A
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- Prior art keywords
- service chamber
- gear
- lifting
- blind plate
- combination
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- 238000002955 isolation Methods 0.000 title claims abstract description 43
- 230000002093 peripheral effect Effects 0.000 claims abstract description 50
- 230000007246 mechanism Effects 0.000 claims abstract description 48
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 40
- 230000005540 biological transmission Effects 0.000 claims abstract description 38
- 230000000007 visual effect Effects 0.000 claims abstract description 23
- 230000003028 elevating effect Effects 0.000 claims description 47
- 230000007306 turnover Effects 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 14
- 230000008569 process Effects 0.000 claims description 12
- 241000237858 Gastropoda Species 0.000 claims description 6
- 238000007689 inspection Methods 0.000 claims description 2
- 230000008450 motivation Effects 0.000 claims description 2
- 239000007789 gas Substances 0.000 abstract description 15
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 6
- 239000011261 inert gas Substances 0.000 abstract description 3
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- 231100001261 hazardous Toxicity 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 230000008278 dynamic mechanism Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
-
- 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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/10—Means for stopping flow from or in pipes or hoses
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanically-Actuated Valves (AREA)
Abstract
A kind of high-risk gas piping isolation service chamber with pressure, including combining service chamber pedestal, the combination service chamber pedestal is detachable service chamber pedestal, combination service chamber pedestal middle position is provided with ribbon supply pressure flange, the hole that blind plate or pipeline pass through, lifting turning-bar and blind plate handgrip are provided on combination service chamber pedestal, transmission mechanism is provided on combination service chamber pedestal, lifting turning-bar and blind plate handgrip are connect with transmission mechanism respectively, transmission mechanism is connected with the peripheral operating units for combining service chamber chassis outer side, visual isolation cover is arranged in combination service chamber base exterior, pressure regulation unit is provided at the top of visual isolation cover, pressure regulation unit is connected to visual isolation cover, valve lifter is provided at the top of visual isolation cover.The present invention by enclosure space add nitrogen or inert gas replacement in the way of, formed and be isolated between danger medium source and outside air, operation transmission mechanism carries out under anaerobic closed environment.
Description
Technical field
The invention belongs to chemical gases transportation system, relate in particular to valve in a kind of high-risk gas system, blow valve,
Isolation cabinet with pressure during the overhauls of the equipments such as regulating valve, safety valve, maintenance blind plate.
Background technique
Country's large scale chemical plant has been gone into operation for many years at present, after the regular period of going into operation, is needed to each in whole system
The equipment such as kind valve, blow valve, safety valve, regulating valve, maintenance blind plate are overhauled, and during entire upkeep operation, are needed
To some blind with the pipeline under pressure condition, container, the various valves on storage tank, blow valve, safety valve, regulating valve, maintenance always
Plate etc. is overhauled, maintained or is replaced, and since internal system is always with pressure, needs first to set the various valves etc. on flange
It is standby to change, original place is gained again after maintenance.That is: flanged valve is first replaced with blind plate, after flanged valve maintenance, by blind plate
It is replaced with flanged valve.Also it can be reversed operation: blind plate be replaced with flanged valve, after maintenance, flanged valve is replaced with blind plate.
Existing operational sequence has:
It is replaced using non-isolated mode, there are a large amount of toxic and harmful gas of internal system or easily generation to burn in replacement process,
The major safety risks problem of the hazardous gas spillages such as explosion.
Using glove box isolated operation, although operating process can reduce hazardous gas spillage problem, need in reduction
Portion's pressure is to 10kPa hereinafter, many devices are difficult pressure reduction to 10kPa hereinafter, this just needs to force the emptying be to reduce
Pressure of uniting is to 10kPa hereinafter, causing great security risk and energy waste to upkeep operation.
Summary of the invention
To overcome above-mentioned technical problem, the present invention provides a kind of high-risk gas piping isolation service chamber with pressure, invention peace
Entirely, environmentally friendly, high-efficient, strong operability.Since system pressure 200kPa item can be born using the drive mechanism under whole sealing status
Operation under part.
The object of the present invention is achieved in the following manner:
A kind of high-risk gas piping isolation service chamber with pressure, including combination service chamber pedestal, the combination service chamber pedestal is can
Service chamber pedestal is split, combination service chamber pedestal middle position is provided with the hole that ribbon supply pressure flange, blind plate or pipeline pass through,
It is provided with lifting turning-bar and blind plate handgrip on combination service chamber pedestal, is provided with transmission mechanism on combination service chamber pedestal,
Lifting turning-bar and blind plate handgrip are connect with transmission mechanism respectively, transmission mechanism and the peripheral operation for combining service chamber chassis outer side
Unit connection is arranged with visual isolation cover in combination service chamber base exterior, pressure regulation list is provided at the top of visual isolation cover
Member, pressure regulation unit are connected to visual isolation cover, are provided with valve lifter at the top of visual isolation cover.
Further, it is provided with transmission mechanism on the combination service chamber pedestal, the transmission mechanism is by two sets, Yi Taowei
Steering gear is gone up and down, a set of is blind plate lifting turnover transmission rig, and for peripheral operating units by two sets, a set of is that lifting turns to
Peripheral operating units, a set of is blind plate lifting overturning peripheral operating units, and elevating lever connect with lifting steering gear, goes up and down
Steering gear turns to peripheral operating units with lifting and connect, and blind plate handgrip is connect with blind plate lifting turnover transmission rig, blind
Plate lifting turnover transmission rig is connect with blind plate peripheral operating units.
Further, the lifting steering gear includes the elevating drive mechanism being arranged on combination service chamber pedestal
Shell, is provided with elevating mechanism and steering mechanism in elevating drive mechanism shell, and elevating mechanism includes that setting is overhauled in combination
Lifting unit meshing gear A2 in bottom seat and the elevating lever A6 composition with lifting unit meshing gear A2 composition lead screw pair, rise
Drop bar A6 covers in lifting unit meshing gear, and inboard leadscrews A3 is arranged in elevating lever A6, lifting unit meshing gear A2, is risen
It dropping bar A6 and inboard leadscrews A3 and constitutes lead screw pair, elevating lever A6 is arranged in lifting steering gear shell by bearing A5,
Elevating lever A6 passes through elevating drive mechanism shell and reaches outside combination service chamber base side wall, and is arranged in the end of elevating lever
There is elevating lever extending bore A7, the end of lifting unit meshing gear A2 is articulated on elevating drive mechanism shell, and the lifting turns
Operating unit includes that operating unit gear A 8 and lifting peripheral operation hole A1, lifting unit meshing gear A2 and operation are single to the periphery
First 8 umbrella tooth of gear A engagement, the rotation axis of operating unit gear A 8 pass through elevating drive mechanism shell and reach combination service chamber
Base side, and flushed with service chamber chassis outer side face is combined, in the operating unit tooth for reaching combination service chamber base side
It takes turns and is provided with lifting peripheral operation hole A1 in the rotation axis of A8, the steering mechanism includes turning to peripheral operating units gear B 6,
The rotation axis for turning to peripheral operating units gear B 6 passes through elevating drive mechanism shell and reaches combination service chamber base side,
And flushed with service chamber chassis outer side face is combined, in the steering peripheral operating units gear for reaching combination service chamber base side
Rotation axis in be provided with turn to peripheral operation hole B1, turn to peripheral operating units gear B 6 with steering meshing gear B2 engage,
It turns to meshing gear B2 to be arranged in lifting steering gear shell by bearing B3, turns to meshing gear B2 and turn to actively
Gear B 4 is coaxially disposed；It is additionally provided on elevating lever A6 and turns to driven gear A4, driven gear A4 and diversion driving-gear B4
It is meshed.
Further, the lifting unit meshing gear A2, steering unit meshing gear B2 end pass through bearing be arranged
In lifting steering gear shell.
Further, the blind plate handgrip C13 goes up and down turnover transmission rig with blind plate by connecting rod C14 and connect, blind plate
Turnover transmission rig setting is gone up and down in combination service chamber pedestal, the blind plate lifting turnover transmission rig includes that setting is being combined
In the first noumenon C7 and the second ontology C4, the second ontology C4 in service chamber pedestal first lifting meshing gear C3 shaft with
The first elevating screw C6 in the first noumenon C7 is coaxially connected, and the first lifting meshing gear C3 is nibbled with the first lifting gear umbrella tooth
It closes, combination service chamber base side is reached on the gear shaft of the first lifting gear, and flush with side, blind plate peripheral operation list
Member includes the first descending operation hole C1 and horizontal output shaft rotation process hole C2, is provided on the gear shaft of the first lifting gear
First descending operation hole C1, the first elevating screw C6 and the first noumenon C7 constitute lead screw pair, are additionally provided in the second ontology C4
First lateral input shaft meshing gear C5, lateral input shaft rotation process hole C2 are embedded on lateral input shaft C11, laterally input
It is provided with the driving wheel engaged with the first lateral input shaft meshing gear C5 umbrella tooth on axis C11, is provided with and turns in the first noumenon
Walk around axis C12, and the shaft for overturning the first horizontal output shaft meshing gear C5 in rotating shaft C 12 and the second ontology C4 is coaxially slided vertically
Dynamic connection is provided with the second horizontal output shaft meshing gear C9, the second horizontal output shaft meshing gear C9 in overturning rotating shaft C 12
Connecting rod C14 is separately connected with the both ends of rotating output shaft C8.
Further, the connecting plate on the connecting rod C14 and blind plate handgrip is clamped.
Further, the blind plate handgrip includes turntable, turntable circumferential setting there are four fixture block, fixture block and blind plate or
Flange hole matches.
Further, the valve lifter includes lift lever, and lift lever is extend into visual isolation cover, is visually being isolated
Promotion boom end in cover is provided with the connector for connecting flange, blind plate or valve flanges face.
Further, the pressure regulation unit is connected with peripheral gas source.
Further, combination service chamber pedestal is formed by two component combinations, and two components are to combine the cross of service chamber pedestal
It is axial symmetry setting to center line.
Preferably, the blind plate handgrip includes turntable, and in the circumferential setting of turntable, there are four fixture block, fixture block and blind plates, method
Blue or flange valve opening matches, and turntable includes rotation hand wheel D3, and rotation hand wheel lower plane is provided with snail card slot D2,
The shaft of rotation hand wheel is arranged on handgrip ontology D6, at least four telescopic joint D4 is embedded in handgrip ontology, four flexible
Section D4 is radially embedded in handgrip ontology, the upper plane of telescopic joint be provided be meshed with snail card slot it is flexible
Spiral salient is saved, is fixed with fixture block D1 in the outer end of telescopic joint.
By adopting the above technical scheme, the present invention has the following advantages:
The present invention by enclosure space add nitrogen or inert gas replacement in the way of, the shape between danger medium source and outside air
At isolation, operates transmission mechanism and carried out under anaerobic closed environment.Whole device uses modular assembly, and installation speed is fast, therefore
Barrier rate is low.
Since apparatus of the present invention complete all operations under totally-enclosed oxygen-free environment, prevents metal structure collision and generate fire
It the security risks such as spends, turns to lifter rod lifting stroke and steering angle and flange hole is accurately positioned, ensured in replacement process
Zero error.The another elevating lever height that turns to is adjustable, is adjusted flexibly according to different operating environments.
Simultaneously because whole process does not have a bit hazardous gas spillage using isolated operation with pressure, fundamentally prevent
The possibility of contingency occurs.
Figure of description
Fig. 1 is schematic structural view of the invention.
Fig. 2 is the structural schematic diagram that the present invention removes visual isolation cover 2.
Fig. 3 is present invention lifting steering mechanism's structural schematic diagram.
Fig. 4 blind plate handgrip transmission mechanism schematic diagram of the present invention.
Fig. 5 is blind plate gripping structure schematic diagram of the present invention.
Fig. 6 is the structural schematic diagram of the turntable of blind plate handgrip of the present invention.
Specific embodiment
Service chamber, including combination service chamber pedestal, combination maintenance is isolated in a kind of high-risk gas piping as shown in figs 1 to 6
Bottom seat is detachable, and combination service chamber pedestal middle position is provided with the hole that ribbon supply pressure flange, blind plate or pipeline pass through,
It is provided with lifting turning-bar 7 and blind plate handgrip 5 on combination service chamber pedestal, is provided with driver in combination service chamber pedestal
Structure, elevating lever and blind plate handgrip are connect with transmission mechanism respectively, and transmission mechanism is connect with peripheral operating units, in combination service chamber
Base exterior is arranged with visual isolation cover 2, and the top of visual isolation cover 2 is provided with pressure regulation unit 3, pressure regulation unit with visually every
It is connected to from cover, the pressure regulation unit is connected with peripheral gas source, and the top of visual isolation cover 2 is provided with valve lifter 6.
The present invention, the service chamber combine in service chamber pedestal and are provided with transmission mechanism, and the transmission mechanism is by two sets, one
Set is lifting steering gear, and a set of is blind plate turnover transmission rig, and for peripheral operating units by two sets, a set of is that lifting turns to
Peripheral operating units, a set of is blind plate overturning peripheral operating units, and lifting turning-bar connect with lifting steering gear, goes up and down
Steering gear turns to peripheral operating units with lifting and connect, and blind plate handgrip is connect with blind plate turnover transmission rig, and blind plate turns over
Turn transmission mechanism to connect with blind plate peripheral operating units.
The present invention, the lifting steering gear include lifting steering gear shell, go up and down steering gear
Shell is fixed on combination service chamber pedestal, is gone up and down in steering gear shell and is provided with elevating mechanism and steering mechanism, is risen
Descending mechanism include setting the intracorporal lifting unit meshing gear A2 of lifting steering gear shell and with lifting unit engaging tooth
The elevating lever A6 composition that A2 constitutes lead screw pair is taken turns, elevating lever A6 covers in lifting unit meshing gear, goes up and down turning-bar A6 inner sleeve
Equipped with inboard leadscrews A3, such lifting unit meshing gear A2, lifting turning-bar A6 and inboard leadscrews A3 constitute lead screw pair, lifting
Turning-bar A6 is arranged in lifting steering gear shell by bearing A5, and lifting turning-bar A6 passes through lifting and turns to driver
Structure shell stretches out outside combination service chamber pedestal, and the end of lifting turning-bar A6 is provided with elevating lever extending bore A7, elevating lever
Extending bore A7 is for installing the screw rod for being inserted into flange hole.The end of lifting unit meshing gear A2 is articulated in lifting and turns to biography
In dynamic mechanism shell, it includes operating unit gear A 8 and lifting peripheral operation hole A1 that the lifting, which turns to peripheral operating units, is risen
Drop unit meshing gear A2 is engaged with operating unit gear A 8, and the rotation axis of operating unit gear A 8 passes through lifting and turns to driver
Structure shell reaches outside combination service chamber base side, and flushes with service chamber chassis outer side face is combined, and is reaching combination inspection
The rotation axis for repairing the operating unit gear A 8 of case base side is provided with lifting peripheral operation hole A1；The rotating mechanism includes turning
Operating unit gear B 6 to the periphery, the rotation axis for turning to peripheral operating units gear B 6 pass through lifting steering gear shell and stretch
Combination service chamber base side is arrived out, and is flushed with service chamber chassis outer side face is combined, and combination service chamber base side is being reached
It is provided in the rotation axis of the steering peripheral operating units gear in face and turns to peripheral operation hole B1, turn to peripheral operating units gear
B6 is engaged with meshing gear B2 is turned to, and is turned to meshing gear B2 and is arranged in combination service chamber pedestal by bearing B3, steering is nibbled
It closes gear B 2 and diversion driving-gear B4 is coaxially disposed；It is additionally provided on lifting turning-bar A6 and turns to driven gear A4, passively
Gear A 4 is meshed with diversion driving-gear B4.
The end of the present invention, the lifting unit meshing gear A2 and steering unit meshing gear B2 are arranged by bearing
It goes up and down in steering gear shell, lifting steering gear shell housing bottom connects with that can combine inner wall on service chamber pedestal
It connects.
The present invention, the blind plate handgrip C13 are connect by connecting rod C14 with blind plate turnover transmission rig, connecting rod C14 and
Connecting plate clamping on blind plate handgrip, the setting of blind plate turnover transmission rig is in combination service chamber pedestal, the blind plate overturning transmission
Mechanism includes the first lifting in the first noumenon C7 and the second ontology C4, the second ontology C4 being arranged in combination service chamber pedestal
The shaft of meshing gear C3 and the first elevating screw C6 in the first noumenon C7 are coaxially connected, the first lifting meshing gear C3 and the
One lifting gear umbrella tooth engages, and combination service chamber base side is reached on the gear shaft of the first lifting gear, and neat with side
Flat, blind plate peripheral operating units include the first descending operation hole C1 and lateral input shaft rotation process hole C2, in the first lifting tooth
It is provided with the first descending operation hole C1, the first elevating screw C6 and the first noumenon C7 on the gear shaft of wheel and constitutes lead screw pair, in this way
It is rotated by the first descending operation hole C1 and drives first liter of gear, so that the first lifting meshing gear C3 rotation is driven, thus meeting
So that the first noumenon is made straight-line displacement, to adapt to the flange or blind plate of replacement different height, the is additionally provided in the second ontology C4
One lateral input shaft meshing gear C5, lateral input shaft rotation process hole C2 are embedded on lateral input shaft C11, lateral input shaft
It is provided with the driving wheel engaged with the first lateral input shaft meshing gear C5 umbrella tooth on C11, overturning is provided in the first noumenon
Rotating shaft C 12 overturns the coaxial vertical sliding of shaft of the first lateral input shaft meshing gear C5 in rotating shaft C 12 and the second ontology C4
Connection, overturning rotating shaft C 12 on be provided with the second horizontal output shaft meshing gear C9, the second horizontal output shaft meshing gear C9 with
The both ends of horizontal output shaft C8 are separately connected connecting rod C14, to realize the rotation of the meshing gear on the first noumenon elevating screw,
To successively drive horizontal output shaft C8, connecting rod C14 overturning, and then the blind plate handgrip being connected on connecting rod C14 is overturn,
Achieve the purpose that overturn the blind plate being stuck on blind plate handgrip.
Connecting plate on the connecting rod C14 and blind plate handgrip is clamped.
The blind plate handgrip includes turntable 8, turntable 8 circumferential setting there are four fixture block 9, fixture block 9 and blind plate, flange or
Flange valve opening matches.Its turntable 8 includes rotation hand wheel D3, and rotation hand wheel lower plane is provided with snail card slot D2, is revolved
It changes hands the shaft of wheel to be arranged on handgrip ontology D6 by bearing, is embedded at least four telescopic joint D4 in handgrip ontology, four
A telescopic joint D4 is radially embedded in handgrip ontology, is provided in the upper plane of telescopic joint and is meshed with snail card slot
Telescopic joint spiral salient, be fixed with fixture block D1 in the outer end of telescopic joint, by different directions rotate rotation hand wheel can make
Fixture block is protruding or is inwardly indented, and when in use, turns rotation hand wheel, keeps fixture block protruding or is inwardly indented, thus with
Flange hole D5 matching on blind plate or flange to be captured, fixture block is sticked into flange hole to be captured, it will be able to will be of the invention
Blind plate handgrip be fixed together with blind plate to be captured or flange.
The valve lifter includes lift lever, and lift lever is extend into visual isolation cover, mentioning in visual isolation cover
Rising stem end is provided with the connector for connecting blind plate or valve flanges face.
The course of work of the present invention is as follows:
One, it is cutd open with combining the cross central line of service chamber pedestal as two halves, in pipeline, flange or blind plate neck to folder when installation
Afterwards, the hole that the ribbon supply pressure flange or blind plate that combination valve bottom seat middle position is arranged pass through just is stuck in flange neck, uses
Locating groove and bolt are fixed as one, and remove the bolt of blind plate or valve one by one, install energy in lifting turning-bar extending bore A7
It is enough inserted into the screw rod of flange hole, and pushes down blind plate or valve with corresponding screw rod insertion flange hole, blind plate handgrip 8 and flange are installed
Or blind plate connection.
Two, the visual seal isolation cover 2 of installation.Visual seal isolation cover 2, pressure regulation unit 3, valve lifter 6 is integrated
Valve is first mounted on valve lifter 6 before installation, will visually seal off cover 2 and dock with combination valve bottom seat 1 by formula structure
It is fastened as a whole afterwards with locknut.After the installation is completed, isolation service chamber with pressure forms seal, inside and outside isolation, internal all biographies
The operation of motivation structure all passes through peripheral operating units 4 in peripheral operation.
Three, it is internal using nitrogen or inert gas will seal intracorporal air by pressure regulation unit 3 by modulated pressure gradually
Displacement is gone out, and is made internal formation oxygen-free environment and is kept and the same pressure of pipeline.
Four, peripheral operating units 4 are operated, elevating lever 7 will be turned to and promoted and redirect to outside flange or blind plate, operation blind plate is grabbed
Blind plate is dug 90 degree by hand 5, vertical aside perpendicular to pedestal, is operated valve lifter 6, will be fallen on pipe flange under valve,
Peripheral operating units 4 are operated, screw rod insertion flange hole is made and are fastened, after closing 3 gas source of pressure regulation unit confirmation No leakage, removal can
Depending on seal isolation cover 2, screw rod is replaced with bolt one by one.First valve valve lifter 6 is lifted when reversed replacement, then by thing
The blind plate handgrip 5 for being first equipped with blind plate is placed on flange.Operating procedure is same as above after adjusting the first noumenon C7 to suitable position.
Since apparatus of the present invention complete all operations under totally-enclosed oxygen-free environment, prevents metal structure collision and generate fire
It the security risks such as spends, turns to the lifting throw of lever and flange hole is accurately positioned, ensured the zero error in replacement process.Another turn to rises
It is adjustable to drop bar height, is adjusted flexibly according to different operating environments.
Simultaneously because whole process does not have a bit hazardous gas spillage using isolated operation with pressure, fundamentally prevent
The possibility of contingency occurs.
What has been described above is only a preferred embodiment of the present invention, it is noted that for those skilled in the art,
Without depart from that overall concept of the invention, several changes and improvements can also be made, these also should be considered as of the invention
Protection scope, these all will not influence the effect and patent practicability that the present invention is implemented.
Claims (10)
1. a kind of high-risk gas piping isolation service chamber with pressure, it is characterised in that: including combining service chamber pedestal, the combination inspection
Repairing bottom seat is detachable service chamber pedestal, and combination service chamber pedestal middle position is provided with ribbon supply pressure flange, blind plate or pipe
The hole that road passes through is provided with lifting turning-bar (7) and blind plate handgrip (5) on combination service chamber pedestal, at combination service chamber bottom
It is provided with transmission mechanism on seat, goes up and down turning-bar (7) and blind plate handgrip (5) is connect with transmission mechanism respectively, transmission mechanism and group
The peripheral operating units connection for closing service chamber chassis outer side is arranged with visual isolation cover (2) in combination service chamber base exterior,
Pressure regulation unit (3) are provided at the top of visual isolation cover (2), pressure regulation unit is connected to visual isolation cover, in visual isolation cover (2)
Top be provided with valve lifter (6).
2. high-risk gas piping isolation service chamber with pressure according to claim 1, it is characterised in that: the combination service chamber
Transmission mechanism is provided on pedestal, the transmission mechanism is by two sets, and a set of to go up and down steering gear, a set of is blind plate lifting
Turnover transmission rig, peripheral operating units are by two sets, and a set of is that lifting turns to peripheral operating units, and a set of is blind plate lifting overturning
Peripheral operating units, elevating lever are connect with lifting steering gear, and lifting steering gear and lifting turn to peripheral operation
Unit connection, blind plate handgrip (5) are connect with blind plate lifting turnover transmission rig, and blind plate goes up and down turnover transmission rig and blind plate periphery
Operating unit connection.
3. high-risk gas piping isolation service chamber with pressure according to claim 2, it is characterised in that: the lifting, which turns to, to be passed
Motivation structure includes the elevating drive mechanism shell being arranged on combination service chamber pedestal, is provided in elevating drive mechanism shell
Elevating mechanism and steering mechanism, elevating mechanism include be arranged in combination service chamber pedestal in lifting unit meshing gear A2 and with
The elevating lever A6 that lifting unit meshing gear A2 constitutes lead screw pair is constituted, and elevating lever A6 covers in lifting unit meshing gear, is risen
Inboard leadscrews A3 is arranged in drop bar A6, lifting unit meshing gear A2, elevating lever A6 and inboard leadscrews A3 constitute lead screw pair, rise
It drops bar A6 to be arranged in lifting steering gear shell by bearing A5, elevating lever A6 passes through elevating drive mechanism shell and stretches
It is arrived outside combination service chamber base side wall out, and the end of elevating lever is provided with elevating lever extending bore A7, lifting unit engaging tooth
The end of wheel A2 is articulated on elevating drive mechanism shell, and it includes operating unit gear A 8 that the lifting, which turns to peripheral operating units,
And peripheral operation hole A1 is gone up and down, lifting unit meshing gear A2 is engaged with 8 umbrella tooth of operating unit gear A, operating unit gear A 8
Rotation axis pass through elevating drive mechanism shell and reach combination service chamber base side, and with combine service chamber chassis outer side
Face flushes, and is provided with lifting peripheral operation in the rotation axis of operating unit gear A 8 for reaching combination service chamber base side
Hole A1, the steering mechanism include turning to peripheral operating units gear B 6, and the rotation axis for turning to peripheral operating units gear B 6 is worn
It crosses elevating drive mechanism shell and reaches combination service chamber base side, and flushed with service chamber chassis outer side face is combined,
It reaches to be provided in the rotation axis of the steering peripheral operating units gear of combination service chamber base side and turns to peripheral operation hole
B1 turns to peripheral operating units gear B 6 and engages with meshing gear B2 is turned to, and turns to meshing gear B2 and is arranged by bearing B3
It goes up and down in steering gear shell, turns to meshing gear B2 and diversion driving-gear B4 and be coaxially disposed；On elevating lever A6 also
It is provided with and turns to driven gear A4, driven gear A4 is meshed with diversion driving-gear B4.
4. high-risk gas piping isolation service chamber with pressure according to claim 3, it is characterised in that: the lifting unit is nibbled
Close gear A 2, the end of steering unit meshing gear B2 is arranged in lifting steering gear shell by bearing.
5. high-risk gas piping isolation service chamber with pressure according to claim 2, it is characterised in that: the blind plate handgrip
C13 goes up and down turnover transmission rig with blind plate by connecting rod C14 and connect, and blind plate goes up and down turnover transmission rig setting and overhauls in combination
In bottom seat, the blind plate lifting turnover transmission rig includes the first noumenon C7 and second being arranged in combination service chamber pedestal
The shaft of the first lifting meshing gear C3 in ontology C4, the second ontology C4 and the first elevating screw C6 in the first noumenon C7 are same
Axis connection, the first lifting meshing gear C3 are engaged with the first lifting gear umbrella tooth, are reached on the gear shaft of the first lifting gear
Service chamber base side is combined, and is flushed with side, blind plate peripheral operating units include that the first descending operation hole C1 and transverse direction are defeated
Shaft rotation process hole C2 is provided with the first descending operation hole C1, the first elevating screw on the gear shaft of the first lifting gear
C6 and the first noumenon C7 constitutes lead screw pair, the first lateral input shaft meshing gear C5 is additionally provided in the second ontology C4, laterally
Input shaft rotation process hole C2 is embedded on lateral input shaft C11, is provided on lateral input shaft C11 and the first lateral input shaft
The driving wheel of meshing gear C5 umbrella tooth engagement is provided with overturning rotating shaft C 12 in the first noumenon, overturns rotating shaft C 12 and second
The coaxial vertical sliding connection of the shaft of the first horizontal output shaft meshing gear C5 in body C4, is provided in overturning rotating shaft C 12
Second horizontal output shaft meshing gear C9, the both ends of the second horizontal output shaft meshing gear C9 and rotating output shaft C8 are separately connected
Connecting rod C14.
6. high-risk gas piping isolation service chamber with pressure according to claim 5, it is characterised in that: the connecting rod C14
It is clamped with the connecting plate on blind plate handgrip.
7. high-risk gas piping isolation service chamber with pressure according to claim 5, it is characterised in that: the blind plate handgrip packet
Turntable (8) are included, there are four the circumferential settings of turntable (8) fixture block (9), fixture block (9) matches with blind plate or flange hole.
8. high-risk gas piping isolation service chamber with pressure according to claim 1, it is characterised in that: the valve lifter
Including lift lever, lift lever is extend into visual isolation cover, and the promotion boom end in visual isolation cover is provided with for connecting
The connector of flange, blind plate or valve flanges face.
9. high-risk gas piping isolation service chamber with pressure according to claim 1, it is characterised in that: the pressure regulation unit with
Peripheral gas source is connected, and combination service chamber pedestal is formed by two component combinations, and two components are to combine the transverse direction of service chamber pedestal
Center line is axial symmetry setting.
10. high-risk gas piping isolation service chamber with pressure according to claim 1, it is characterised in that: the blind plate handgrip
Including turntable, circumferential in turntable is arranged there are four fixture block, and fixture block matches with blind plate, flange or flange valve opening, turntable
Including rotation hand wheel D3, rotation hand wheel lower plane is provided with snail card slot D2, and the shaft of rotation hand wheel is arranged in handgrip sheet
On body D6, at least four telescopic joint D4 are embedded in handgrip ontology, four telescopic joint D4 are radially embedded in handgrip ontology
It is interior, the telescopic joint spiral salient being meshed with snail card slot is provided in the upper plane of telescopic joint, in the outer end of telescopic joint
Portion is fixed with fixture block D1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910060281.2A CN109519642A (en) | 2019-01-22 | 2019-01-22 | High-risk gas piping isolation service chamber with pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910060281.2A CN109519642A (en) | 2019-01-22 | 2019-01-22 | High-risk gas piping isolation service chamber with pressure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109519642A true CN109519642A (en) | 2019-03-26 |
Family
ID=65799314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910060281.2A Pending CN109519642A (en) | 2019-01-22 | 2019-01-22 | High-risk gas piping isolation service chamber with pressure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109519642A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114593221A (en) * | 2022-02-18 | 2022-06-07 | 天津英康科技股份有限公司 | Online isolation method for gas pipeline |
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| JPH09137888A (en) * | 1995-11-15 | 1997-05-27 | Cosmo Koki Co Ltd | Mounting and demounting method for pipe connection member, and closed case therefor |
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| JP2005288627A (en) * | 2004-03-31 | 2005-10-20 | Osaka Gas Co Ltd | Valve removing device |
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| CN114593221A (en) * | 2022-02-18 | 2022-06-07 | 天津英康科技股份有限公司 | Online isolation method for gas pipeline |
| CN114593221B (en) * | 2022-02-18 | 2024-02-23 | 天津英康科技股份有限公司 | Online isolation method for gas pipeline |
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