CN206398376U - A kind of Gas Pipe closure detection means and Gas Pipe closure detection structure - Google Patents
A kind of Gas Pipe closure detection means and Gas Pipe closure detection structure Download PDFInfo
- Publication number
- CN206398376U CN206398376U CN201720017367.3U CN201720017367U CN206398376U CN 206398376 U CN206398376 U CN 206398376U CN 201720017367 U CN201720017367 U CN 201720017367U CN 206398376 U CN206398376 U CN 206398376U
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- gas pipe
- piston rod
- piston
- gas
- detection means
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Abstract
A kind of Gas Pipe blocks detection means, is related to gas works field, it includes measurement apparatus, 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；The axial direction of piston rod is provided with gas port, and valve of the piston rod provided with control gas port break-make at the second end, cushion is arranged between pressing plate and first end face.The apparatus structure is simply easy to use, quickly it can be docked with Gas Pipe, and can closely it be fitted with combustion gas inside pipe wall by power set, plugging effect is good, being capable of effective prevent leakage, and by the gas port on piston rod, the air pressure in the Gas Pipe of closure, gas etc. can accurately be measured.The utility model additionally provides a kind of Gas Pipe closure detection structure.
Description
Technical field
The utility model is related to gas works field, and detection means and combustion gas are blocked in particular to a kind of Gas Pipe
Pipe closure detection structure.
Background technology
Among the process that Gas Pipe is overhauled and is installed, in order to ensure fuel gas transmission security, it is necessary to combustion gas
Pipeline carries out the related detection such as intraductal atmospheric pressure and pipe composition of gases within, it is ensured that in gas pipeline the situation of No leakage occur with
And the safety of work progress, normal transmission ＆ distribution could be put into by the gas pipeline after passed examination and run.
And among existing technology, among the process checked, due to the complex operation of measurement apparatus, and entering
Among the process of row closure and detection, easily occur the situation of gas leakage, and due at the construction field (site), particularly combustion gas
Speedily carry out rescue work in operation, there are the different operating modes of each work post, field condition is complex, let out once combustion gas occurs for operational error
Leakage, it will cause quite serious accident.
And existing detection methods need to need to install independent plugging device among the process of detection and entering
Row pressure testing needs to pull down plugging device when detecting, the process is complex and repeats, the time needed among the process of test
It is longer, cause inefficient and traditional technique to need fire operation in installation and dismounting so that the technique is in special area
Can not construction operation.
Utility model content
The purpose of this utility model is to provide a kind of Gas Pipe closure detection means, passes through Gas Pipe closure detection and fill
Put, the data such as the air pressure in Gas Pipe can be measured while being blocked to Gas Pipe, the apparatus structure is simple,
It is easy to use, abutting joint, and convenient disassembly, and good airproof performance can be quickly carried out with Gas Pipe, it is possible to increase work
Make to reduce the risk of gas leakage while efficiency, improve the safety coefficient of job site, realize in the spy that can not get angry
The detection operations such as closure pressure testing can be implemented in different place region.
Another object of the present utility model is that it makes use of above-mentioned there is provided a kind of Gas Pipe closure detection structure
Gas Pipe blocks detection means, is installed in Gas Pipe, improves the efficiency that closure is detected, and can also reduce combustion gas and lets out
The risk of leakage.
What embodiment of the present utility model was realized in：
A kind of Gas Pipe blocks detection means, including measurement apparatus, power set, cushion and pressing plate；Power set bag
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；Second end face is provided with the cylinder cap mounting hole for installing cylinder cap, and first end face and cylinder cap pass through provided with piston rod
Hole；Piston is fixedly connected with piston rod, 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 are located at outside cylinder body；Cylinder cap passes through hole with cylinder cap mounting hole, piston and chamber and piston rod and piston rod
Between be equipped with sealing ring；Second end face is provided with via hole, and piston is formed close to the appearance matter chamber of first end face, conducting with chamber
Kong Yurong matter chamber is turned on；The axial direction of piston rod is provided with gas port, and gas port turns on the two ends of piston rod；Piston rod is close
Valve provided with control gas port break-make at second end；First end is connected with pressing plate, is provided with along gas port profile through pressing plate
Through hole, cushion is arranged between pressing plate and first end face；Measurement apparatus is arranged on the second end, and is turned on gas port.
Gas Pipe closure detection means is loaded after Gas Pipe, the power set band of detection means is blocked by Gas Pipe
Piston bar is moved so that cushion is deformed under the pressure effect of pressing plate, among the process deformed when cushion, its
The part of deformation can closely fit with the inwall of Gas Pipe, play sealing and fixed effect, the process is in power set
It can be rapidly performed by under effect, and the gas port of axially conducting is additionally provided with piston rod, envelope can be measured by gas port
The data such as the pressure in stifled Gas Pipe, are additionally provided with the valve of control gas port break-make on the piston rod.
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：Measurement apparatus is to be threadedly coupled with the second end, and measurement apparatus is
Barometer or gas detecting instrument.
In a kind of embodiment of the present utility model：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 closure detection structure, it includes above-mentioned Gas Pipe closure detection means and Gas Pipe.
The technical solution of the utility model at least possesses following beneficial effect：
Gas Pipe closure detection means that embodiment of the present utility model is provided, it can blocked to Gas Pipe
The data such as the air pressure in Gas Pipe are measured simultaneously, the apparatus structure is simple, easy to use, can quickly and Gas Pipe
Abutting joint, and good airproof performance are carried out, while measurement accuracy is improved, additionally it is possible to reduction combustion while improving operating efficiency
The risk of gas leakage, improves the safety coefficient of job site, and can normally make in some special environment such as can not get angry
Industry.
The Gas Pipe closure detection structure that the utility model is provided, detection means is blocked it makes use of above-mentioned Gas Pipe,
It is installed in Gas Pipe, improves the efficiency of closure pressure testing, 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 closure structure of the detecting device schematic diagram 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.
In figure：10- Gas Pipes block detection means；110- measurement apparatus；120- power set；130- cushions；140-
Pressing plate；121- cylinder bodies；122- piston rods；123- first ends；The ends of 124- second；125- first end faces；126- second end faces；127-
Gas port；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；180- valves.
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.
In description of the present utility model, it is necessary to explanation, term " on " etc. instruction orientation or position relationship be base
In orientation shown in the drawings or position relationship, or the orientation usually put when using of the utility model product or position are closed
System, is for only for ease of description the utility model and simplifies description, rather than indicate or imply that the device or element of meaning are necessary
With specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.In addition,
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 closure detection means 10 that will be described below.Can from figure
To find out, Gas Pipe closure detection means 10 mainly includes measurement apparatus 110, power set 120, cushion 130, pressing plate
140 and valve 180.
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；The axial direction of piston rod 122 is provided with gas port 127, the conducting piston rod 122 of gas port 127
Two ends.
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.
Would know that by the above, among prior art the medium of the conducting pressure of power set 120 can be liquid or
Gas, therefore according to above-mentioned principle, the power set 120 can be made to hydraulic power unit 120 or Pneumatic propelling plant 120.
Because among the process of specific implementation, hydraulicdriven precision is higher, among the process of specific implementation, power set 120
Use hydraulic cylinder that should be preferred is driven.Therefore among the present embodiment, power set 120 use hydraulic power unit 120.
The first end 123 that the piston rod 122 outside cylinder body 121 is can be seen that from Fig. 4 and with reference to Fig. 1 passes through elasticity
Pad 130 is simultaneously connected with pressing plate 140, and pressing plate 140 is to be threadedly coupled with the connected mode of piston rod 122.Be provided with pressing plate 140 with
The corresponding through hole of the profile of gas port 127 in first end 123, it is therefore intended that pass through the first end 123 that the through hole turns on side
On gas port 127 and inside the Gas Pipe of the opposite side of pressing plate 140, and piston rod 122 is provided with the second end 124
Control the valve 180 of the break-make of gas port 127.
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
Gas Pipe closure detection means 10 is fixed in Gas Pipe while good air-tightness.
In the present embodiment, measurement apparatus 110 is barometer on the end 124 of piston rod 122 second, and and piston
Gas port 127 on the end 124 of bar 122 second is turned on, due to being turned in the gas port 127 on piston rod 122 and Gas Pipe, so
Barometer just can determine the air pressure in now Gas Pipe, and it should be noted that barometer is being arranged on into piston rod 122
During the second end 124, barometer is to be threadedly coupled with the connected mode of piston rod 122, and is set between barometer and gas port 127
There is sealing device, the sealing device can be gasket seal etc., it is therefore intended that prevent from sending out in barometer and the junction of gas port 127
Angry body leakage.Due to actual conditions difference thus need to measure different data, pass through the energy of valve 180 on piston rod 122
The devices such as gas detecting instrument are enough changed, and among the process of replacing, the conducting of gas port 127 is controlled by valve 180
Ensure that carry out replacement operation process among, will not occur gas leakage etc. influence measurement result the occurrence of.Entering
Among the Renewal process of row measurement apparatus 110, it should be installed according to foregoing barometrical installation requirement, it is necessary to carry out close
Installation process is sealed, specific steps will not be repeated here.
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.
It should be noted that：
In the present embodiment, the specific size of Gas Pipe closure detection means 10 needs the internal diameter size phase with Gas Pipe
Match somebody with somebody, therefore carrying out among the process that Gas Pipe closure detection means 10 is chosen, can be sealed by making various sizes of Gas Pipe
Blockage detection device 10 is to meet the detection needs of different Gas Pipes.
In the present embodiment, it is fortune to block detection means 10 carrying out closure pressure testing inspection to Gas Pipe with Gas Pipe
With a kind of embodiment of the device.Among other embodiment of the present utility model, Gas Pipe closure detection means 10 is also
Detected available for the valve 180 to being installed in pipeline, carry out valve 180 closure detection process among, it is necessary to
Tested valve 180, which is arranged on pipeline, and installs the carrier that the pipeline of valve 180 detect as valve 180 needs to pass through
Cross pressure testing inspection and qualified pipeline, it is similar to above-mentioned steps the step of follow-up detection therefore will not be repeated here.
In the present embodiment, various situations are considered, should be preferably high in the making material from cushion 130
Molecule silica gel.In other embodiment of the present utility model, it is also contemplated that using the other materials such as rubber.
In the present embodiment, the material of piston rod 122, cylinder body 121 and pressing plate 140 preferably aluminum alloy materials should make.
The Gas Pipe closure detection means 10 operation principle be：
The device is properly attached to need in the Gas Pipe of progress closure pressure testing, by power set 120 with piston
The movement of bar 122, at the same time piston rod 122 moved with dynamic pressure plate 140 and extrude cushion 130, when cushion 130 by squeeze
Deformed upon among the process of pressure, and the part by deformation and the inwall of Gas Pipe are fitted and then realize closure and close
The purpose of envelope.
By the gas port 127 on piston rod 122, it can turn in Gas Pipe and measurement apparatus 110, enter to Gas Pipe
Among the process of row detection, when measurement apparatus 110 is barometer, the gas in Gas Pipe now just can be measured by barometer
Pressure, it is necessary to be monitored within a period of time to the air pressure in the Gas Pipe after pressurization among the process measured.Surveying
After amount is completed, by the judgement of the pressure value to measuring, just it can show whether the Gas Pipe is detected by air pressure；When will close
Measurement apparatus 110 is replaced by gas detecting instrument by valve 180 by barometer, and after valve 180 is reopened, just can be detected
The now composition of the gas in Gas Pipe.
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 blocks detection means, it is characterised in that：The Gas Pipe closure detection means includes measurement apparatus, moved
Power apparatus, cushion and pressing 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 axial direction of the piston rod is provided with gas port, and the gas port turns on the two ends of the piston rod；The piston
Valve of the bar provided with control gas port break-make at second end；
The first end is connected with the pressing plate, and the through hole through the pressing plate, the elasticity are provided with along the gas port profile
Pad is arranged between the pressing plate and the first end face；The measurement apparatus be arranged on second end, and with the air guide
Hole is turned on.
2. Gas Pipe according to claim 1 blocks detection means, it is characterised in that：The power set are hydraulic power
Device or Pneumatic propelling plant.
3. Gas Pipe according to claim 1 blocks detection means, it is characterised in that：The measurement apparatus and described second
Hold to be threadedly coupled, and the measurement apparatus is barometer or gas detecting instrument.
4. Gas Pipe according to claim 1 blocks detection means, it is characterised in that：The piston is with the piston rod
Integral type is made.
5. Gas Pipe according to claim 1 blocks detection means, it is characterised in that：The pressing plate and the first end
O-ring seal is provided between contact surface.
6. Gas Pipe according to claim 1 blocks detection means, it is characterised in that：The piston, the piston rod, institute
State cylinder body and the pressing plate is made up of aluminium alloy.
7. Gas Pipe according to claim 1 blocks detection means, it is characterised in that：The cushion is by macromolecule silica gel
It is made.
8. Gas Pipe according to claim 1 blocks detection means, it is characterised in that：The corner circular arc mistake of the pressing plate
Cross.
9. Gas Pipe according to claim 1 blocks detection means, it is characterised in that：The pressing plate and the cushion
Contact surface is provided with annular protrusion.
10. a kind of Gas Pipe closure detection structure, it is characterised in that：The Gas Pipe closure detection structure includes claim 1-
Gas Pipe closure detection means and Gas Pipe described in 9 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720017367.3U CN206398376U (en) | 2017-01-06 | 2017-01-06 | A kind of Gas Pipe closure detection means and Gas Pipe closure detection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720017367.3U CN206398376U (en) | 2017-01-06 | 2017-01-06 | A kind of Gas Pipe closure detection means and Gas Pipe closure detection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206398376U true CN206398376U (en) | 2017-08-11 |
Family
ID=59513408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720017367.3U Withdrawn - After Issue CN206398376U (en) | 2017-01-06 | 2017-01-06 | A kind of Gas Pipe closure detection means and Gas Pipe closure detection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206398376U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106704833A (en) * | 2017-01-06 | 2017-05-24 | 重庆燃气集团股份有限公司 | Gas pipe blockage detection device and method |
-
2017
- 2017-01-06 CN CN201720017367.3U patent/CN206398376U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106704833A (en) * | 2017-01-06 | 2017-05-24 | 重庆燃气集团股份有限公司 | Gas pipe blockage detection device and method |
| CN106704833B (en) * | 2017-01-06 | 2019-01-04 | 重庆燃气集团股份有限公司 | A kind of fuel gas conduit blocks detection device and blocks detection method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170811 Effective date of abandoning: 20190104 |
|
| AV01 | Patent right actively abandoned |