CN206398256U - A kind of Gas Pipe plugging device and Gas Pipe plugging structure - Google Patents
A kind of Gas Pipe plugging device and Gas Pipe plugging structure Download PDFInfo
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- CN206398256U CN206398256U CN201720018960.XU CN201720018960U CN206398256U CN 206398256 U CN206398256 U CN 206398256U CN 201720018960 U CN201720018960 U CN 201720018960U CN 206398256 U CN206398256 U CN 206398256U
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- gas pipe
- piston rod
- piston
- pipe plugging
- plugging device
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Abstract
A kind of Gas Pipe plugging device, is related to gas works field, and it includes power set, cushion and pressing plate；Power set include gray iron, piston and piston rod；Chamber is provided with cylinder body, cylinder body possesses first end face and second end face, and piston rod includes first end and the second end；Piston is fixedly connected with piston rod, and piston rod runs through cylinder body；Cushion is arranged between pressing plate and first end face.The apparatus structure is simply easy to use, quickly can be docked with Gas Pipe, and can closely be fitted with combustion gas inside pipe wall by power set, and plugging effect is good, being capable of effective prevent leakage.The utility model additionally provides a kind of Gas Pipe plugging structure.
Description
Technical field
The utility model is related to gas works field, is sealed in particular to a kind of Gas Pipe plugging device and Gas Pipe
Bridging structure.
Background technology
Among the process that gas pipeline is overhauled or is safeguarded, because welding procedure need to stop to whole section of gas pipeline
Gas, emptying operation.It is after zero in manifold pressure, because pipe diameter is big, in reason, the pipeline such as pipeline length, high low head be big
Very likely also have residual combustion gases, if these combustion gas are once discharged into the external world, easily occur by these leakage combustion gas fire and
The security incident of initiation.Therefore, it is necessary to which gas pipeline is blocked, moved among the process entirely safeguarded to gas pipeline
Fire welding, to prevent the gas leakage in Gas Pipe from firing, while also assures that the whole safety for safeguarding job site.
And among existing technology, when carrying out weld job closure to gas pipeline, due to the complex operation of plugging device,
Need to take the regular hour, thus there is the risk of middle generation part gas leakage at the construction field (site).In addition, existing closure dress
Put among the process used, due to the unstable working condition of plugging device, after plugging device is installed in Gas Pipe,
Situation about also often leaking, significantly increases the operating risk of job site.
Utility model content
The purpose of this utility model is to provide a kind of Gas Pipe plugging device, can by the Gas Pipe plugging device
Effective closure is carried out to Gas Pipe, the apparatus structure is simple, esy to use, safe and reliable, quickly can enter with Gas Pipe
Row abutting joint, and convenient disassembly, good airproof performance, combustion gas is fired when can reduce operation while operating efficiency is improved
Risk, improves the safety coefficient of job site.
Another object of the present utility model is that it makes use of above-mentioned Gas Pipe there is provided a kind of Gas Pipe plugging structure
Plugging device, is installed in Gas Pipe, improves the efficiency of closure, and can also reduce the risk of gas leakage.
What embodiment of the present utility model was realized in：
A kind of Gas Pipe plugging device, including power set, cushion and pressing plate；Power set include gray iron, work
Plug and piston rod；Chamber is provided with cylinder body, cylinder body possesses first end face and second end face, and piston rod includes first end and second
End；Second end face is provided with the cylinder cap mounting hole for installing cylinder cap, and first end face and cylinder cap pass through hole provided with piston rod；Piston and piston
Bar is fixedly connected, and piston rod runs through cylinder body through two piston rods by hole, and piston is located in chamber, first end and the second end
Outside cylinder body；Cylinder cap and cylinder cap mounting hole, piston and chamber and piston rod and piston rod are by being equipped with sealing between hole
Circle；Second end face is provided with via hole, and piston is formed close to the appearance matter chamber of first end face with chamber, and via hole is led with holding matter chamber
It is logical；First end is connected with pressing plate, and cushion is arranged between pressing plate and first end face.
Gas Pipe plugging device is loaded after Gas Pipe, piston rod is driven by the power set of Gas Pipe plugging device
It is mobile so that cushion is deformed under the pressure effect of pressing plate, among the process deformed when cushion, its part meeting deformed
Closely fitted with the inwall of Gas Pipe, play sealing and fixed effect, the process can be fast in the presence of power set
The progress of speed.
In a kind of embodiment of the present utility model：
Power set are hydraulic power unit or Pneumatic propelling plant.
In a kind of embodiment of the present utility model：
Cylinder body periphery is provided with the external screw thread adaptable with the internal thread of Gas Pipe terminal interior surface.Of the present utility model one
Plant in embodiment：
Piston is made up with piston rod of integral type.
In a kind of embodiment of the present utility model：
O-ring seal is provided between pressing plate and the contact surface of first end.
In a kind of embodiment of the present utility model：
Piston, piston rod, cylinder body and pressing plate are made up of aluminium alloy.
In a kind of embodiment of the present utility model：
Cushion is made up of macromolecule silica gel.
In a kind of embodiment of the present utility model：
The corner arc transition of pressing plate.
In a kind of embodiment of the present utility model：
The contact surface of pressing plate and cushion is provided with annular protrusion.
A kind of Gas Pipe plugging structure, it includes above-mentioned Gas Pipe plugging device and Gas Pipe.
The technical solution of the utility model at least possesses following beneficial effect：
The Gas Pipe plugging device that embodiment of the present utility model is provided, it can be blocked to Gas Pipe, the dress
Put simple in construction, esy to use, safe and reliable, abutting joint, and good airproof performance can be quickly carried out with Gas Pipe, can
Risk is fired when gas leakage and construction operation are reduced while improving operating efficiency, the safety coefficient of job site is improved.
The Gas Pipe plugging structure that the utility model is provided, it makes use of above-mentioned Gas Pipe plugging device, is installed on Gas Pipe
It is interior, the efficiency of closure is improved, and the risk of gas leakage can also be reduced.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme of the utility model embodiment, it will use below required in embodiment
Accompanying drawing be briefly described, it will be appreciated that the following drawings illustrate only some embodiments of the present utility model, therefore should not be by
Regard the restriction to scope as, for those of ordinary skill in the art, on the premise of not paying creative work, may be used also
To obtain other related accompanying drawings according to these accompanying drawings.
Fig. 1 is the Gas Pipe plugging device structural representation in the utility model embodiment；
Fig. 2 is the powerplant configuration schematic diagram in the utility model embodiment；
Fig. 3 is the appearance matter chamber schematic diagram in the utility model embodiment；
Fig. 4 is the cushion scheme of installation in the utility model embodiment；
Fig. 5 is the O-ring seal scheme of installation in the utility model embodiment；
Fig. 6 is that the cylinder body external screw thread in the utility model embodiment sets schematic diagram.
In figure：10- Gas Pipe plugging devices；120- power set；130- cushions；140- pressing plates；121- cylinder bodies；122-
Piston rod；123- first ends；The ends of 124- second；125- first end faces；126- second end faces；127- external screw threads；128- cylinder head；
129- piston rods pass through hole；1211- cylinder head mounting holes；1221- pistons；1261- via holes；150- sealing rings；160- holds matter
Chamber；170- O-ring seals.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that retouched
The embodiment stated is a part of embodiment of the utility model, rather than whole embodiments.Generally here described in accompanying drawing and
The component of the utility model embodiment shown can be arranged and designed with a variety of configurations.
Therefore, the detailed description of embodiment of the present utility model below to providing in the accompanying drawings is not intended to limit requirement
The scope of the present utility model of protection, but it is merely representative of selected embodiment of the present utility model.Based in the utility model
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all
Belong to the scope of the utility model protection.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined in individual accompanying drawing, then it further need not be defined and explained in subsequent accompanying drawing.
, it is necessary to explanation in description of the present utility model, term " on ", " under ", etc. instruction orientation or position close
It is or the orientation or position that the utility model product is usually put when using for based on orientation shown in the drawings or position relationship
Relation is put, description the utility model is for only for ease of and simplifies description, rather than indicate or imply signified device or element
There must be specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.This
Outside, term " first ", " second " etc. are only used for distinguishing description, and it is not intended that indicating or implying relative importance.
Embodiment 1
Fig. 1 is refer to, Fig. 1 shows the Gas Pipe plugging device 10 that will be described below.Can from figure
Go out, the Gas Pipe plugging device 10 mainly includes power set 120, cushion 130 and pressing plate 140.
Refer to Fig. 2, Fig. 2 shows the primary structure of power set 120, power set 120 mainly include cylinder body 121,
Cylinder head 128, piston 1221 and piston rod 122, the inside of cylinder body 121 is hollow chamber, and cylinder body 121 possesses first end face
125 and second end face 126, second end face 126 provided with the cylinder head mounting hole 1211 for installing cylinder head 128, first end face 125 and
Cylinder head 128 passes through hole 129 provided with piston rod；The two ends of piston rod 122 are respectively the end 124 of first end 123 and second, piston
1221 are made up with piston rod 122 of integral type, and piston rod 122 is through two piston rods by the through cavities of hole 129 and installed in cylinder
On body 121, and the end 124 of first end 123 and second of piston rod 122 is respectively positioned on outside cylinder body 121, and piston 1221 is located at chamber
It is interior；Cylinder head 128 and cylinder head mounting hole 1211, piston 1221 and chamber and piston rod 122 and piston rod by hole 129 it
Between be equipped with sealing ring 150.
Fig. 3 is refer to, while piston rod 122 runs through 121 internal cavity of cylinder body, piston rod 122 yet forms both with chamber to be leaned on
The appearance matter chamber for being used to accommodate conducting pressure medium of nearly first end face 125, and opened on the end face at the second end 124 on cylinder body 121
There is via hole 1261, the via hole 1261 turns on the appearance matter chamber 160 and outer pipeline, among the process used, passes through outer tube
Road direction holds the medium of injection conducting pressure in matter chamber 160 so that hold the pressure increase in matter chamber 160, due to the appearance matter chamber
Room 160 pressure increase and the external world pressure it is smaller so that piston rod 122 under the effect of the pressure relative to cylinder body 121 from
First end 123 is moved up to the side at the second end 124.
It would know that by the above, the medium of the conducting pressure of power set 120 is with liquid or gas among prior art
Based on body, therefore according to the operation principle of above-mentioned power set 120, the power set 120 can be made hydraulic power unit 120 or
It is Pneumatic propelling plant 120.Due among the process of specific implementation, hydraulicdriven precision is higher and more reliable,
Among the process of specific implementation, the use hydraulic cylinder that power set 120 should be preferred is driven.Therefore among the present embodiment, combustion
The power set 120 of tracheae plugging device 10 use hydraulic power unit 120.
It can also be seen that the first end 123 of the piston rod 122 outside cylinder body 121 passes through bullet from Fig. 4 and with reference to Fig. 1
Property pad 130 and be connected with pressing plate 140, and the connected mode of pressing plate 140 and piston rod 122 is is threadedly coupled.
Fig. 5 is refer to, O-ring seal 170 also can be set between pressing plate 140 and the contact surface of piston rod 122, in piston rod
Among 122 processes being connected with pressing plate 140, can crush seal cushion rubber 170 so that O-ring seal 170 and piston rod 122 and
Contact between pressing plate 140 is more close, it is therefore intended that improve the air-tightness of the device.
In order that obtaining, above-mentioned sealing effectiveness is more effective, and ring is provided with the contact surface of pressing plate 140 and cushion 130
The projection of shape, contacts and extrudes among the process of cushion 130 with cushion 130 in pressing plate 140, the meeting of cushion 130 and pressing plate
140 surface is closely fitted, especially at annular protrusion, while laminating annular protrusion completely, also according to convex annular
The sealing for foring annular is acted, and the annular sealing is formed according to the profile of annular protrusion, and pressing plate 140 is to cushion
130 bigger annular sealing effectiveness of pressure is more obvious, thus airtight among the process for compressing cushion 130 to increase
Property.In other embodiment of the present utility model, the setting of annular protrusion can choose whether to set according to different use environments
Put annular protrusion, and annular protrusion profile size and quantity.
It can be known according to the installation site of above-mentioned cushion 130, because cushion 130 is installed on pressing plate 140 and liquid
Between the cylinder body 121 of cylinder pressure, and pressing plate 140 is connected with the piston rod 122 of power set 120, by piston rod 122 relative to
The movement of the cylinder body 121 of hydraulic cylinder can be moved with dynamic pressure plate 140, it is possible thereby to change the cylinder body 121 of pressing plate 140 and hydraulic cylinder
The distance between, because cushion 130 is just between the cylinder body 121 of pressing plate 140 and hydraulic cylinder, it is possible to pass through piston
The mobile extruding cushion 130 of bar 122 so that cushion 130 is deformed upon, when the device is arranged in Gas Pipe, leads to
The deformation of cushion 130 is crossed, enables to the crushed element of cushion 130 to be fitted with the inwall of Gas Pipe, thus, with good
The Gas Pipe plugging device 10 is fixed in Gas Pipe while good air-tightness.
When in view of the device is installed in Gas Pipe, in order to prevent the inwall of the device and Gas Pipe from colliding
Or unnecessary damage is produced to combustion gas inside pipe wall and the device because of contact, and pressing plate 140 is the mistake in installation
Cheng Dangzhong is entered in Gas Pipe at first, therefore the corner on the end face of the close first end 123 of pressing plate 140 is provided with circular arc
Transition.
In other embodiment of the present utility model, Fig. 6 is refer to, due among the process blocked, it is possible to
Pressure testing detection can be carried out to Gas Pipe, thus can cause the pressure change in Gas Pipe, as a rule when carrying out pressure testing detection,
Often increase the pressure in Gas Pipe, therefore in order to improve the reliability of the Gas Pipe plugging device 10, in the cylinder body of the device
121 peripheries set external screw thread 127, cause among the process installed on the external screw thread 127 and pipeline outside cylinder body 121
Screw thread is coordinated, thus improve the device in sealing property.
It should be noted that：
In embodiment of the present utility model, because Gas Pipe possesses different internal diameter sizes among specific use,
And the pressure in the Gas Pipe of different inner diameters size is also different so that power set 120 are applied on cushion 130
Power is also different, thus among the process that the Gas Pipe to different sizes is blocked, it is necessary to using with combustion gas bore
The Gas Pipe plugging device 10 of adaptable size carries out closure work, and needs to calculate in the Gas Pipe of the internal diameter size
It is possible that internal pressure size, then power set 120 are adjusted, while plugging effect to reach raising
Improve the purpose of the reliability of the Gas Pipe plugging device 10.
In embodiment of the present utility model, various situations are considered, be based especially on cushion 130 and Gas Pipe
Sealing when inwall is fitted considers, should preferred macromolecule silica gel in the making material from cushion 130.In this practicality
In new other embodiment, it is also contemplated that using the other materials such as rubber.
In embodiment of the present utility model, in order to improve the performance of the Gas Pipe plugging device 10, piston rod
122nd, the material of cylinder body 121 and pressing plate 140 preferably aluminum alloy materials should make.
The operation principle of the Gas Pipe plugging device 10 is：
When Gas Pipe breaks down, it is necessary to be safeguarded to Gas Pipe, it is necessary to by portion among the process safeguarded
Point Gas Pipe is blocked, and prevents the remaining gas in Gas Pipe to be discharged into the external world.Among the process blocked first
Need the device being properly attached in the Gas Pipe that needs are blocked.
The movement of piston rod 122 is driven by power set 120, at the same time, piston rod 122 is moved with dynamic pressure plate 140
And extrude cushion 130, when cushion 130 is deformed upon among extruded process, and the part by deformation and combustion
The laminating of the inwall of tracheae so realize closure and sealed purpose.
Preferred embodiment of the present utility model is the foregoing is only, the utility model is not limited to, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all it is of the present utility model spirit and principle
Within, any modification, equivalent substitution and improvements made etc. should be included within protection domain of the present utility model.
Claims (10)
1. a kind of Gas Pipe plugging device, it is characterised in that：The Gas Pipe plugging device includes power set, cushion and pressure
Plate；
The power set include gray iron, piston and piston rod；It is provided with chamber in the cylinder body, the cylinder body possesses the
End face and second end face, the piston rod include first end and the second end；The second end face is provided with the installation cylinder cap
Cylinder cap mounting hole, the first end face and the cylinder cap pass through hole provided with piston rod；The piston is fixed with the piston rod to be connected
Connect, and the piston rod runs through the cylinder body through two piston rods by hole, and the piston is located in the chamber, institute
State first end and second end is located at outside the cylinder body；
The cylinder cap passes through with the cylinder cap mounting hole, the piston and the chamber and the piston rod with the piston rod
Sealing ring is equipped between hole；
The second end face is provided with via hole, and the piston is formed close to the appearance matter chamber of the first end face with the chamber,
The via hole is turned on the appearance matter chamber；
The first end is connected with the pressing plate, and the cushion is arranged between the pressing plate and the first end face.
2. Gas Pipe plugging device according to claim 1, it is characterised in that：The power set are hydraulic power unit
Or Pneumatic propelling plant.
3. Gas Pipe plugging device according to claim 1, it is characterised in that：The cylinder body periphery is provided with and combustion gas pipe end
The adaptable external screw thread of the internal thread of portion's inner surface.
4. Gas Pipe plugging device according to claim 3, it is characterised in that：The piston is integrated with the piston rod
Formula is made.
5. Gas Pipe plugging device according to claim 1, it is characterised in that：Pressing plate contact with the first end
O-ring seal is provided between face.
6. Gas Pipe plugging device according to claim 1, it is characterised in that：The piston, the piston rod, the cylinder
Body and the pressing plate are made up of aluminium alloy.
7. Gas Pipe plugging device according to claim 1, it is characterised in that：The cushion is by macromolecule silica gel system
Into.
8. Gas Pipe plugging device according to claim 1, it is characterised in that：The corner arc transition of the pressing plate.
9. Gas Pipe plugging device according to claim 1, it is characterised in that：Pressing plate contact with the cushion
Face is provided with annular protrusion.
10. a kind of Gas Pipe plugging structure, it is characterised in that：It is any that the Gas Pipe plugging structure includes claim 1-9
Gas Pipe plugging device and Gas Pipe described in one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720018960.XU CN206398256U (en) | 2017-01-06 | 2017-01-06 | A kind of Gas Pipe plugging device and Gas Pipe plugging structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720018960.XU CN206398256U (en) | 2017-01-06 | 2017-01-06 | A kind of Gas Pipe plugging device and Gas Pipe plugging structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206398256U true CN206398256U (en) | 2017-08-11 |
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ID=59513419
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720018960.XU Active CN206398256U (en) | 2017-01-06 | 2017-01-06 | A kind of Gas Pipe plugging device and Gas Pipe plugging structure |
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| Country | Link |
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| CN (1) | CN206398256U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106764229A (en) * | 2017-01-06 | 2017-05-31 | 重庆燃气集团股份有限公司 | A kind of Gas Pipe plugging device and method for blocking |
| CN114993393A (en) * | 2022-07-18 | 2022-09-02 | 河南新航流量仪表有限公司 | High-precision electromagnetic flowmeter |
-
2017
- 2017-01-06 CN CN201720018960.XU patent/CN206398256U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106764229A (en) * | 2017-01-06 | 2017-05-31 | 重庆燃气集团股份有限公司 | A kind of Gas Pipe plugging device and method for blocking |
| CN114993393A (en) * | 2022-07-18 | 2022-09-02 | 河南新航流量仪表有限公司 | High-precision electromagnetic flowmeter |
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