CN102966841B - Multifunctional combined type gasbag device - Google Patents
Multifunctional combined type gasbag device Download PDFInfo
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- CN102966841B CN102966841B CN201210442942.6A CN201210442942A CN102966841B CN 102966841 B CN102966841 B CN 102966841B CN 201210442942 A CN201210442942 A CN 201210442942A CN 102966841 B CN102966841 B CN 102966841B
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- air bag
- gas cylinder
- gas
- gasbag
- valve
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/32—Hydrogen storage
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Abstract
The invention relates to a multifunctional combined type gasbag device, and relates to a gasbag device. The multifunctional combined type gasbag device is provided with a gasbag device, a gasbag charging-discharging and pressure regulation device and a gas flow control device, wherein the gasbag device is provided with a gasbag, the two ends of the gasbag are both provided with metal rings, the metal rings are provided with gasbag charging interfaces, air supply interfaces (used for supplying air to a closed region) and suspension link interfaces; the air supply interfaces are communicated with a vent pipe which penetrates through the whole gasbag, and the gasbag charging-discharging and pressure regulation device is provided with a first gas cylinder, a first leather hose, a pressure control valve, a gasbag pressure indicating meter, a first gas cylinder pressure indicating meter, a first gas cylinder tee joint and an air outlet valve; and the gas flow control device is provided with a second gas cylinder, a second leather hose, a relief valve, a gas flow indicating meter, a second gas cylinder pressure indicating meter, a second gas cylinder tee joint and a gas flow regulating valve.
Description
Technical field
The present invention relates to a kind of air bag device, especially relate to a kind of multifunction combined air bag device.
Background technique
In welding process, pipe interior materials such as (as:) stainless steel, titaniums need be filled with inert gas (conventional argon gas) Welded Joints and protect, to guarantee the quality of joint inside.Conventionally, job site makes closure plate miscellaneous according to various models, the specification of pipeline.This conventional method, the closure plate shutoff of made is tight not on the one hand, causes the too much waste of argon gas; On the other hand, closure plate can only use corresponding to the pipeline of dimension, and its application area is subject to great restriction; Moreover the closure plate of made is coarse, quality is not good and working life is not long, cause too much artificial and material input.
Chinese patent CN201305122 discloses a kind of ship self-rescuing air bag device.Mainly by a plurality of air bags, high-pressure pump, gas pipeline, charging valve, control section, formed, below drauht line, each minute storehouse of boats and ships Lower Hold is separately installed with air bag, more than drauht line, air bag leaves boats and ships outer in along in the undercut of limit, and air bag is separately installed with charging valve, and high-pressure pump is installed above deck, air bag is connected with high-pressure pump by gas pipeline, and control section is controlled the opening and closing of high-pressure pump and charging valve.Once boats and ships occur leaking or hull damage accident because of contingency, can be according to accident size and the demand of saving oneself, start immediately the boats and ships air bag self-saving device of saving oneself, carry out part or integral inflating and save oneself, so as to reaching, occupy rapidly the cabin inner space that leaks, make water line form above air bag chinampa, the whole ship buoyance that improves, thereby stop boats and ships damaged part to leak, prevent that boats and ships from sinking, and reaches the object that boats and ships are saved oneself.
Chinese patent CN201333599 discloses shielding gas seal arrangement in a kind of pipeline welding pipe, and 2 annular air-pockets are separately positioned on 2 brackets, and 2 brackets link together by connection set, and described connection set and argon gas air feeder are communicated with.
Summary of the invention
The object of the invention is to the deficiency existing in existing pipework welding process, a kind of multifunction combined air bag device is provided.
The present invention is provided with air bag device, air bag inflation/deflation and regulator, gas flow control device;
Described air bag device is provided with air bag, and in balloon ends, portion is equipped with metal ring, and airbag aeration interface, air feed interface (for to closed area air feed), draw ring interface are set on metal ring; Described air feed interface is connected with the breathing pipe that runs through whole air bag; Described draw ring interface is convenient to the air bag after venting to be regained;
Described air bag inflation/deflation and regulator are provided with the 1st gas cylinder, the 1st leather hose, pressure regulator valve, gasbag pressure display list, the 1st storage pressure display list, the 1st gas cylinder threeway and outlet valve; The outlet of described the 1st gas cylinder connects respectively the 1st leather hose and gasbag pressure display list through the 1st gas cylinder main valve, the 1st storage pressure display list, pressure regulator valve, the 1st gas cylinder threeway successively, the airbag aeration interface of another termination air bag device of the 1st leather hose;
Described gas flow control device is provided with the 2nd gas cylinder, the 2nd leather hose, reduction valve, gas flow display list, the 2nd storage pressure display list, the 2nd gas cylinder threeway and gas flow regulating valve; The outlet of described the 2nd gas cylinder connects respectively gas flow display list and gas flow regulating valve through the 2nd gas cylinder main valve, the 2nd storage pressure display list, reduction valve, the 2nd gas cylinder threeway successively; One termination gas flow regulating valve of the 2nd leather hose, another termination air feed interface of the 2nd leather hose.
Described air bag can adopt high-temperature resistant rubber air bag.Described airbag aeration and should select inert gas to the required gas of closed area air feed, generally adopts argon gas etc.
With existing air bag device comparison, the present invention has advantages of following outstanding:
1) airbag aeration interface is for realizing filling, exitting of air bag; Air feed interface (running through whole air bag with breathing pipe), for carry gas to closed area, is realized the back protection of weld seam; Draw ring interface, for the air bag of having let out gas is retracted, is realized reusing of air bag.
2) utilize air bag inflation/deflation and regulator can realize filling, exitting air bag; Utilize gas flow control device can realize the air protection to closed area.
3) rationally utilize the close contact of air bag and inner-walls of duct, reduced the leakage of gas, saved the loss of argon gas.
4) compare with closure plate way, application area of the present invention is wide and reduced material, artificial input.
5) by gas cylinder, provide source of the gas, be aided with the annexes such as leather hose, argon gas table, pressure regulator valve, pressure gauge, needle value, can easily realize the pipe interior argon-filled protection of DN >=50mm or the function of temporary plugging.
6) rationally utilize the stretchability of air bag, during inflation, make it be expanded to and inner-walls of duct close contact, guarantee the leakproofness of closed area; After venting, deflated balloon, to normality, exits air bag from pipeline and seems very easy.
7) the present invention is a kind of reusable device, and the pipeline (caliber of the applicable plurality of specifications of air bag of applied range (pipeline of>=DN50 all can be selected), a kind of model
... air bag be respectively a kind of specification, often increase progressively 100mm, just need to select again), responded country and called about the material-saving of green construction.
8) utilize air bag built-in " breathing pipe " to realize the argon filling of regional area (be generally inert gas, conventionally select argon gas) protection.
Accompanying drawing explanation
Fig. 1 is that the air bag device structure of the embodiment of the present invention forms schematic diagram.
Fig. 2 is the side view of Fig. 1.
Fig. 3 is the rear view of Fig. 1.
Fig. 4 is that the structure of the air bag inflation/deflation regulator of the embodiment of the present invention forms schematic diagram.
Fig. 5 is that the structure of the argon gas flow control device of the embodiment of the present invention forms schematic diagram.
Fig. 6 is application state (air bag shutoff) schematic diagram of the embodiment of the present invention.
Embodiment
The present invention is further illustrated in connection with accompanying drawing for following examples.
Referring to Fig. 1 ~ 5, the embodiment of the present invention is provided with air bag device, air bag inflation/deflation and regulator, gas flow control device;
Described air bag device is provided with air bag 1, in one end of air bag 1, be provided with airbag aeration interface 11, air feed interface 12, draw ring interface 13 and metal ring 15, in air bag 1, be provided with breathing pipe 14, described breathing pipe 14 runs through whole air bag 1, and described air feed interface 12 is connected with breathing pipe 14.
Described air bag inflation/deflation and regulator are provided with the 1st argon bottle the 21, the 1st leather hose 22, pressure regulator valve 23, gasbag pressure display list 24, the 1st storage pressure display list the 25, the 1st gas cylinder threeway 26 and outlet valve 27; The outlet of described the 1st argon bottle 21 connects respectively the airbag aeration interface 11 of another termination air bag device of the 1st leather hose 22 and gasbag pressure display list 24, the 1 leather hoses 22 successively through gas cylinder main valve 211, the 1st storage pressure display list 25, pressure regulator valve 23, the 1st gas cylinder threeway 26.
Described argon gas flow control device is provided with the 2nd argon bottle the 31, the 2nd leather hose 32, reduction valve 33, gas flow display list 34, the 2nd argon bottle pressure display table the 35, the 2nd gas cylinder threeway 36 and argon flow amount modulating valve 37; The outlet of described the 2nd argon bottle 31 connects respectively gas flow display list 34 and gas flow regulating valve 37 through argon bottle main valve 311, the 2nd argon bottle pressure display table 35, reduction valve 33, the 2nd gas cylinder threeway 36 successively; One termination gas flow regulating valve 37 of the 2nd leather hose 32, the air feed interface 12 of another termination air bag device.。
Described air bag can adopt high-temperature resistant rubber air bag.Airbag aeration interface is for realizing filling, exitting of air bag; Air feed interface (running through whole air bag with breathing pipe), for delivery of argon gas, is realized the back protection of weld seam; Draw ring interface, for the air bag of having let out gas is retracted, is realized reusing of air bag.
Utilize air bag inflation/deflation and regulator can realize filling, exitting air bag; Utilize argon gas flow control device can realize the argon shield of closed area.
Below provide working principle of the present invention:
1) pipe string Job readiness complete, not yet before tack welding, first rubber air bag is filled in to (two ends respectively arrange, referring to Fig. 6) in pipeline.After confirming that the position of air bag is errorless, utilize capsule inflation/deflation and regulator to inflate air bag.In gas replenishment process, should note observing the tightness degree between pressure gauge and air bag and tube wall, treat air bag contact with inner tube wall closely can stop inflation.So can in pipe, isolate the region that a segment length is not less than 200mm.
2) pipeline is grouping as requested.Group is to after qualified, and wrap up in the outside of paper using adhesive plaster or transparent rubberized fabric butt welding mouth, so that form relatively airtight space through the pipe interior of gasbag isolation.
3) utilize argon gas flow control device to this region, to carry out argon filling by the built-in breathing pipe of air bag A1, and (be arranged on the end of argon gas stream outgoing direction by needle value, be positioned at applying argon gas interface one side of air bag A2) adjust tolerance, until the air in this space replaced clean after (using portable argon gas detector to detect), just can start welding.Due to before backing weld do not complete; having a small amount of argon gas leaks; simultaneously in order not make jointing (before backing weld completes; only be adhesive plaster wrapping) produce excessive air pressure; in backing weld process, should note regulating gas flow (needle value of taking into account outlet port by the flow on adjusting argon gas table can be realized, and needle value can not cut out completely) so that this insulating space is advisable in faint positive pressure protection.After backing weld completes; the needle value that can stop argon gas supply and close outlet port; making the gas in this insulating space is still argon gas; and then complete follow-up filling, cover welding; so just can realize this insulating space and among the complete protection in argon gas, effectively guarantee the internal soundness of weld seam in whole welding process.
Claims (6)
1. multifunction combined air bag device, is characterized in that being provided with air bag device, air bag inflation/deflation and regulator, gas flow control device;
Described air bag device is provided with air bag, and in balloon ends, portion is equipped with metal ring, and airbag aeration interface, air feed interface, draw ring interface are set on metal ring; Described air feed interface is connected with the breathing pipe that runs through whole air bag;
Described air bag inflation/deflation and regulator are provided with the 1st gas cylinder, the 1st leather hose, pressure regulator valve, gasbag pressure display list, the 1st storage pressure display list, the 1st gas cylinder threeway and outlet valve; The outlet of described the 1st gas cylinder connects respectively the 1st leather hose and gasbag pressure display list through the 1st gas cylinder main valve, the 1st storage pressure display list, pressure regulator valve, the 1st gas cylinder threeway successively, the airbag aeration interface of another termination air bag device of the 1st leather hose;
Described gas flow control device is provided with the 2nd gas cylinder, the 2nd leather hose, reduction valve, gas flow display list, the 2nd storage pressure display list, the 2nd gas cylinder threeway and gas flow regulating valve; The outlet of described the 2nd gas cylinder connects respectively gas flow display list and gas flow regulating valve through the 2nd gas cylinder main valve, the 2nd storage pressure display list, reduction valve, the 2nd gas cylinder threeway successively; One termination gas flow regulating valve of the 2nd leather hose, another termination air feed interface of the 2nd leather hose.
2. multifunction combined air bag device as claimed in claim 1, is characterized in that described air bag adopts high-temperature resistant rubber air bag.
3. multifunction combined air bag device as claimed in claim 1, is characterized in that described the 1st gas cylinder is the 1st inert gas gas cylinder.
4. multifunction combined air bag device as claimed in claim 3, is characterized in that described inert gas is argon gas.
5. multifunction combined air bag device as claimed in claim 1, is characterized in that described the 2nd gas cylinder is the 2nd inert gas gas cylinder.
6. multifunction combined air bag device as claimed in claim 5, is characterized in that described inert gas is argon gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210442942.6A CN102966841B (en) | 2012-11-07 | 2012-11-07 | Multifunctional combined type gasbag device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210442942.6A CN102966841B (en) | 2012-11-07 | 2012-11-07 | Multifunctional combined type gasbag device |
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| Publication Number | Publication Date |
|---|---|
| CN102966841A CN102966841A (en) | 2013-03-13 |
| CN102966841B true CN102966841B (en) | 2014-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210442942.6A Expired - Fee Related CN102966841B (en) | 2012-11-07 | 2012-11-07 | Multifunctional combined type gasbag device |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104208882B (en) * | 2014-09-04 | 2017-09-05 | 王明华 | A kind of balloon and its aerating device and method for filling natural gas |
| CN104456068A (en) * | 2014-11-07 | 2015-03-25 | 广西大学 | Vacuumizing and protective gas charging device and application method thereof |
| CN107054611A (en) * | 2017-04-05 | 2017-08-18 | 杭州东沣科技有限公司 | A kind of dirigible utricule fast aeration system and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101224521A (en) * | 2008-02-21 | 2008-07-23 | 上海锅炉厂有限公司 | Inner sealing device |
| CN201224003Y (en) * | 2008-07-22 | 2009-04-22 | 广州广船国际股份有限公司 | Pipe fitting butt welding protecting apparatus |
| CN101493161B (en) * | 2009-02-27 | 2010-11-10 | 中国人民解放军广州军区空军工程建设局 | Pipe mouth sealing device used in construction site |
| CN201728481U (en) * | 2010-04-15 | 2011-02-02 | 江苏伟业安装集团有限公司 | Local argon charging device in medium and small-sized pipelines |
| CN202927467U (en) * | 2012-11-07 | 2013-05-08 | 福建四海建设有限公司 | Multifunctional combined type air bag device |
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- 2012-11-07 CN CN201210442942.6A patent/CN102966841B/en not_active Expired - Fee Related
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| CN102966841A (en) | 2013-03-13 |
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Granted publication date: 20140416 Termination date: 20171107 |
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