CN103148313B - A kind of blocking device of shield machine pipeline joint and method - Google Patents
A kind of blocking device of shield machine pipeline joint and method Download PDFInfo
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- CN103148313B CN103148313B CN201310108531.8A CN201310108531A CN103148313B CN 103148313 B CN103148313 B CN 103148313B CN 201310108531 A CN201310108531 A CN 201310108531A CN 103148313 B CN103148313 B CN 103148313B
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Abstract
A kind of blocking device of shield machine pipeline joint and method.The invention provides a kind of blocking device and method of line connection, this device comprises disabler and the oil hydraulic cylinder with described disabler arranged concentric, and periphery size and the former pipeline of disabler are suitable; Disabler comprises high-pressure air pipe joint, sealing brush, pressure bladder and caulking gum; Sealing brush is distributed in disabler two ends, and pressure bladder is positioned at disabler medium position, and caulking gum is between sealing brush and pressure bladder; High-pressure air pipe joint is connected to pipeline, by pore for pressure bladder provides pressurized gas.Needs change pipeline, extend pipeline or other need disconnect pipeline carry out maintenance check time, this stopper device of the thrust of oil hydraulic cylinder is utilized to deliver to line connection, utilize air bag expand under pressure force after the frictional force that produces with tube wall, offset the outward thrust produced from residual liquid loop in pipeline, thus realize the sealing of pipeline.
Description
Technical field
The present invention relates to tunnel construction equipment technical field, especially, relate to a kind of blocking device and method of shield machine pipeline joint.
Background technique
It is that slurry balance shield solves more loaded down with trivial details and problem that is headache of getting up in construction that the pipeline of slurry shield extends.Along with the increase of length of tunnel, pipeline also increases thereupon, and in this case, the mud amount in pipeline also continues to increase.Therefore, when extending pipeline, increasing connecting tube on original pipeline, the mud in original pipeline can pour out from jointing, affects construction speed, and severe contamination tunnel environment, bring many unnecessary troubles to subsequent construction.
And the solution that slurry shield pipeline extends at present is: on the slurry shield trailer that pipeline extends, increase mud containing box, its effect is when pipeline extends, and receives, deposits the mud gushed out in pipeline.There is following shortcoming in this solution:
1) by the restriction of length of tunnel: if tunnel is longer, then the mud amount of discharging in pipeline is very large, just requires that containing box volume is enough large; But in fact by the restriction of tunnel diameter, trailer size and structure, containing box volume can not be very large, therefore just must carry out Secondary Design to meet construction requirement, add difficulty of construction.
2) mud in containing box repeatedly to be had bad luck in work progress, if having bad luck not in time, the mud memory space that mud sediment affects containing box can be produced; Also need to clean containing box according to construction speed is irregular, the extra workload increasing construction simultaneously.
3) inherently do not solve pipeline and extend adapter problem, just a kind of remedial measure.
Summary of the invention
The object of the invention is the blocking device and the method that provide a kind of line connection, during to solve that in slurry shield work progress, mud system prolongs pipeline: the technical problem that program is complicated, working time is long, labor intensity is large.
For achieving the above object, the invention provides a kind of blocking device of shield machine pipeline joint, comprise disabler and the oil hydraulic cylinder with described disabler arranged concentric, periphery size and the former pipeline of described disabler are suitable; Described disabler comprises high-pressure air pipe joint, sealing brush, pressure bladder and caulking gum; Described sealing brush is distributed in described disabler two ends, and described pressure bladder is positioned at described disabler medium position, and described caulking gum is between described sealing brush and described pressure bladder;
Described high-pressure air pipe joint is connected with equipment pipeline, by the pore on pressure bladder for described pressure bladder provides high-pressure air.
Preferably, described disabler one end is provided with wire rope, and described wire rope is connected to the wire rope retraction device be positioned on slurry shield trailer.
Preferably, the described disabler the other end is provided with gland nut and bolt protective cover, and described bolt protective cover is arranged on the outside of gland nut.
Preferably, also comprise disabler mounting pipe, the internal diameter of described disabler mounting pipe and the periphery of described disabler suitable.
Utilize above-mentioned blocking device to realize a blocking method for shield machine pipeline joint, comprise the following steps:
A, closedown shield slurry system and safety check, be placed on tee union one end by disabler; Primer fluid cylinder pressure injects pressurized gas by high-pressure air pipe to pressure bladder, disabler is delivered to the line connection of former pipeline and tee union;
B, unclamp the connection of tee union and former pipeline;
C, by high-pressure air pipe through the extension tube that will install, carry out the abutting joint of extension tube and former pipeline, then the extension tube the other end be connected with tee union.
Preferably, also step is comprised after step C:
D, reduction pressure bladder pressure, reclaim disabler and high-pressure air pipe by wire rope;
E, when disabler encounters position limit switch, position limit switch controls wire rope retraction device and quits work, and opens safety check and shield slurry system.
Preferably, described steps A also comprises disabler mounting pipe is placed on tee union one end, opens the gate valve in described disabler mounting pipe.
The present invention has following beneficial effect:
1, quick-sealing pipeline: needs change pipeline, extend pipeline or other need disconnect pipeline carry out maintenance check time, this stopper device of the thrust of oil hydraulic cylinder is utilized to deliver to line connection, utilize air bag expand under pressure force after the frictional force that produces with tube wall, offset the outward thrust produced from residual liquid loop in pipeline, thus realize the sealing of pipeline, reduce the complicated process opening pipeline;
2, field labor intensity is alleviated: disabler is by after pipeline quick-sealing, and the content in former pipeline is blocked in the pipeline be closed, and can not pollute pipeline external environmemt; After pipeline reconnects or extends, disabler can utilize wire rope to exit channel interior voluntarily, guarantees the unimpeded and clean environment of the pipeline after continuous pipe.
Except object described above, feature and advantage, the present invention also has other object, feature and advantage.Below with reference to figure, the present invention is further detailed explanation.
Accompanying drawing explanation
The accompanying drawing forming a application's part is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the disabler structural representation of the preferred embodiment of the present invention;
Fig. 2 is the disabler application reset condition schematic diagram of the preferred embodiment of the present invention;
Fig. 3 is that view is stretched out in the disabler application of the preferred embodiment of the present invention;
Fig. 4 is the disabler work of the preferred embodiment of the present invention, pipeline off state schematic diagram;
Fig. 5 is the disabler application of the preferred embodiment of the present invention, pipeline extension state schematic diagram;
Fig. 6 is that the disabler of the preferred embodiment of the present invention is regained, pipeline normal working schematic diagram;
Wherein, 1, disabler, 2, oil hydraulic cylinder, 3, former pipeline; 4, sealing brush, 5, pressure bladder, 6, caulking gum, 7, high-pressure air pipe; 8, pore, 9, wire rope retraction device, 10, gland nut, 11, bolt protective cover; 12, disabler mounting pipe, 13, tee union, 14, extension tube; 15, safety check, 16, gate valve, 17, baffle plate; 18, position limit switch, 19, wire rope, 20, gas circuit quick release coupling.
Embodiment
Below in conjunction with accompanying drawing, embodiments of the invention are described in detail, but the multitude of different ways that the present invention can limit according to claim and cover is implemented.
See Fig. 1, the invention provides a kind of blocking device of shield machine pipeline joint, comprise disabler 1 and the oil hydraulic cylinder 2 with described disabler 1 arranged concentric, periphery size and the described pipeline of described disabler 1 are suitable, carry out cutting stifled to pass into channel interior.
Disabler 1 comprises the two groups of equipment distributed for symmetry axis with high-pressure air pipe 7 place straight line, lays respectively at relative both sides; Equipment of often organizing comprises sealing brush 4, pressure bladder 5 and caulking gum 6; Described sealing brush 4 is distributed in described disabler 1 two ends, is positioned at the outermost end of disabler 1, can remove the attachment be bonded on tube wall in traveling process, keeps the clean of tube wall; Described pressure bladder 5 is positioned at described disabler 1 medium position, and the effect by pressurized gas is expanded, and balloon outer wall and tube wall is contacted completely thus produces the thrust that frictional force resists pipeline liquid, and reaching sealing effect; Described caulking gum 6, between described sealing brush 4 and described pressure bladder 5, is not only protected pressure bladder 5, is further cleaned simultaneously to tube wall, thus ensures that pressure bladder 5 contacts with the seamless of tube wall.
Joint one end of described high-pressure air pipe is connected to equipment pipeline, by the pore on pressure bladder for described pressure bladder 5 provides high-pressure air.Then pressurized gas are by high-pressure air pipe joint and pore 8, pass into in pressure bladder 5, and produce a thrust forward to disabler 1, make it arrive at pipe interior forward.
Preferably, described disabler 1 one end is provided with wire rope 19, and described wire rope 19 is connected to wire rope 19 retraction device 9 be positioned on slurry shield trailer; Wire rope 19 retraction device 9 is by controlling backway and the speed of disabler 1 to the folding and unfolding of wire rope 19.
Wire rope 19 connection mouth can be arranged on the baffle plate 17 foremost of disabler 1, so that disabler 1 reclaims.
Preferably, described disabler 1 the other end is provided with gland nut 10 and bolt protective cover 11, ensures axial seal by the mechanical compaction of nut; The outside that described bolt protective cover 11 is arranged on gland nut 10 is protected, and prevents the gland nut 10 normal phase from liquid, wet environment, producing the maintainability of corrosion and corrosion impact equipment.
Preferably, also comprise disabler mounting pipe 12, the internal diameter of described disabler mounting pipe 12 and the periphery of described disabler 1 suitable, protective gear when not working as disabler 1.
In addition, can arrange sealing plate on the end face of disabler 1 front end, face has seal groove to plate, and in set to 0 shape circle, by nut compress ensure axial seal.
Present invention also offers and a kind ofly utilize above-mentioned blocking device to realize the blocking method of shield machine pipeline joint, comprise the following steps:
A, see Fig. 2 and Fig. 3, close shield slurry system and safety check 15, disabler 1 is placed on tee union 13 one end; Primer fluid cylinder pressure 2 injects pressurized gas by high-pressure air pipe 7 and gas circuit quick release coupling 20 to pressure bladder 5, disabler 1 is delivered to the line connection (being full of mud in former pipeline) of former pipeline 3 and tee union 13; When air-channel system is communicated with, gas circuit quick release coupling 20 is inoperative, and when system disconnects, gas circuit quick release coupling 20 sealing system gas circuit, plays the effect of one-way valve.
When needs inlet pipe road extends, shield slurry system is shut down, the pressure of mud is reduced, at this moment close safety check 15 and prevent the mud in shield equipment pipeline from flowing backwards.Then, primer fluid cylinder pressure 2, oil hydraulic cylinder 2 injects pressurized gas by high-pressure air pipe 7 to pressure bladder 5, and make it expand and be pushed forward to line connection sealing pipeline, oil hydraulic cylinder 2 is regained.
High-pressure air pipe 7 can be connected to air pipe retraction device, is controlled extension and the withdrawal of tracheae by it.
Also disabler 1 can be put into disabler mounting pipe 12 inner, and disabler mounting pipe 12 is placed on tee union 13 one end, open the gate valve 16 in described disabler mounting pipe 12 before use, injecting gas in pressure bladder 5.
B, see Fig. 4, unclamp the connection of tee union 13 and former pipeline 3;
Now, because disabler 1 is by the port closed of former pipeline 3, unclamps tee union 13 and the connection of former pipeline 3, then do not have the ejection of pipe content, keep clean environment.
C, see Fig. 5, by high-pressure air pipe 7 through the extension tube 14 that will install, carry out the abutting joint of extension tube 14 and former pipeline 3, then extension tube 14 the other end is connected with tee union 13.
When former pipeline extend frame move to meet extension tube 14 length time, disconnect gas circuit quick release coupling and wire rope 19 quick release coupling, the high-pressure air pipe 7 be connected with disabler 1 through after the extension tube 14 that will install, carry out the installation on extension tube 14 and former pipeline 3 tunnel.Again extension tube 14 is connected with tee union 13, thus completes the installation adding extension tube 14 between former pipeline 3 and tee union 13.
By said method, utilize the thrust of oil hydraulic cylinder 2 to make disabler 1 equipment deliver to line connection, utilize air bag expand under pressure force and produce frictional force, offset the thrust produced from residual liquid loop in pipeline.
Preferably, see Fig. 6, after step C, also comprise step:
D, pipe-line system is communicated with reduce pressure bladder 5 pressure, reclaim disabler 1 and high-pressure air pipe 7 by wire rope 19 by connecting gas circuit quick release coupling 20;
After extension tube 14 installs, reduce the pressure of pressure bladder 5, make pressure bladder 5 be returned to reset condition.
E, when disabler 1 encounters position limit switch 18, position limit switch 18 controls wire rope 19 retraction device 9 and quits work, and opens safety check 15 and shield slurry system, and former pipeline 3 tunnel is communicated with.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (5)
1. a blocking device for shield machine pipeline joint, is characterized in that, comprises disabler and the oil hydraulic cylinder with described disabler arranged concentric, and periphery size and the former pipeline of described disabler are suitable; Described disabler comprises high-pressure air pipe joint, sealing brush, pressure bladder and caulking gum; Described sealing brush is distributed in described disabler two ends, and described pressure bladder is positioned at described disabler medium position, and described caulking gum is between described sealing brush and described pressure bladder;
Described high-pressure air pipe joint is connected with equipment pipeline, by the pore on pressure bladder for described pressure bladder provides high-pressure air; Described disabler one end is provided with wire rope, and described wire rope is connected to the wire rope retraction device be positioned on slurry shield trailer.
2. the blocking device of a kind of shield machine pipeline joint according to claim 1, is characterized in that, the described disabler the other end is provided with gland nut and bolt protective cover, and described bolt protective cover is arranged on the outside of gland nut.
3. the blocking device of a kind of shield machine pipeline joint according to claim 1, is characterized in that, also comprise disabler mounting pipe, the internal diameter of described disabler mounting pipe and the periphery of described disabler suitable.
4. utilize the blocking device described in any one of claim 1 to 3 to realize a blocking method for shield machine pipeline joint, it is characterized in that, comprise the following steps:
A, closedown shield slurry system and safety check, be placed on tee union one end by disabler; Primer fluid cylinder pressure injects pressurized gas by high-pressure air pipe to pressure bladder, disabler is delivered to the line connection of former pipeline and tee union;
B, unclamp the connection of tee union and former pipeline;
C, by high-pressure air pipe through the extension tube that will install, carry out the abutting joint of extension tube and former pipeline, then the extension tube the other end be connected with tee union;
D, reduction pressure bladder pressure, reclaim disabler and high-pressure air pipe by wire rope;
E, when disabler encounters position limit switch, position limit switch controls wire rope retraction device and quits work, and opens safety check and shield slurry system.
5. according to claim 4ly a kind ofly utilize described blocking device to realize the blocking method of shield machine pipeline joint, it is characterized in that, described steps A also comprises disabler mounting pipe is placed on tee union one end, opens the gate valve in described disabler mounting pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310108531.8A CN103148313B (en) | 2013-04-01 | 2013-04-01 | A kind of blocking device of shield machine pipeline joint and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310108531.8A CN103148313B (en) | 2013-04-01 | 2013-04-01 | A kind of blocking device of shield machine pipeline joint and method |
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| Publication Number | Publication Date |
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| CN103148313A CN103148313A (en) | 2013-06-12 |
| CN103148313B true CN103148313B (en) | 2015-08-19 |
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| CN201310108531.8A Active CN103148313B (en) | 2013-04-01 | 2013-04-01 | A kind of blocking device of shield machine pipeline joint and method |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103953820B (en) * | 2014-05-08 | 2015-12-09 | 中国铁建重工集团有限公司 | A kind of obturator device for slurry balance shield machine pipeline stretch system |
| CN108662347B (en) * | 2017-03-31 | 2019-12-27 | 国核电站运行服务技术有限公司 | Air bag pipeline plugging device |
| CN108356043B (en) * | 2018-03-22 | 2024-04-26 | 辽宁三三工业有限公司 | Rubber air bag type shield tunneling machine mud pipeline cleaning top plug device |
| CN109016305B (en) * | 2018-09-06 | 2023-05-12 | 陈烈 | High-pressure-resistant pipeline lining forming device and forming method thereof |
| CN112431987A (en) * | 2020-12-29 | 2021-03-02 | 安徽铜都流体科技股份有限公司 | Telescopic three-way reversing ball hitting device and application |
| CN113356866B (en) * | 2021-07-29 | 2023-11-21 | 安徽铜都流体科技股份有限公司 | Construction method of pipe changing valve for pipe connector of shield machine |
| CN114029291B (en) * | 2021-11-05 | 2023-01-20 | 中国铁建重工集团股份有限公司 | Shield tunneling machine pipeline cleaning robot, shield tunneling machine and shield tunneling machine pipeline cleaning method |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL178188C (en) * | 1980-10-29 | 1986-02-03 | Petroles Cie Francaise | VALVE. |
| CA1292704C (en) * | 1987-04-07 | 1991-12-03 | Douglas C. Campbell | Pipeline packer |
| US5080020A (en) * | 1989-07-14 | 1992-01-14 | Nihon Kohden Corporation | Traveling device having elastic contractible body moving along elongated member |
| CN2078820U (en) * | 1990-05-26 | 1991-06-12 | 江苏省南通县塑料制品三厂 | Nut-protecting sleeve |
| CN102434170B (en) * | 2010-09-29 | 2013-12-25 | 上海尤加工程机械科技有限公司 | Air bag piston stretching device of pipe connecting device for slurry shield |
| CN102434754B (en) * | 2010-09-29 | 2013-12-04 | 上海尤加工程机械科技有限公司 | Airbag piston (for slurry shields) for blocking pipes |
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Address after: 410100 No. 88 East 7 Line, Changsha Economic and Technological Development Zone, Hunan Province Patentee after: China Railway Construction Heavy Industry Co.,Ltd. Address before: 410100 Changsha Province, the city of Hunan by the East Road, No. seven, No. 88 Patentee before: China Railway Construction Heavy Industry Co.,Ltd. |