CN114645981A - Thixotropic slurry pipe joint connecting device - Google Patents

Thixotropic slurry pipe joint connecting device Download PDF

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Publication number
CN114645981A
CN114645981A CN202210287272.9A CN202210287272A CN114645981A CN 114645981 A CN114645981 A CN 114645981A CN 202210287272 A CN202210287272 A CN 202210287272A CN 114645981 A CN114645981 A CN 114645981A
Authority
CN
China
Prior art keywords
pipe joint
slurry
mud
valve body
thixotropic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202210287272.9A
Other languages
Chinese (zh)
Inventor
刘钦佩
李跃
郭飞
胡中华
张小庆
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China MCC5 Group Corp Ltd
Original Assignee
China MCC5 Group Corp Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China MCC5 Group Corp Ltd filed Critical China MCC5 Group Corp Ltd
Priority to CN202210287272.9A priority Critical patent/CN114645981A/en
Publication of CN114645981A publication Critical patent/CN114645981A/en
Pending legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L23/00—Flanged joints
    • F16L23/02—Flanged joints the flanges being connected by members tensioned axially
    • F16L23/024—Flanged joints the flanges being connected by members tensioned axially characterised by how the flanges are joined to, or form an extension of, the pipes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/32—Details
    • F16K1/34—Cutting-off parts, e.g. valve members, seats
    • F16K1/36—Valve members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/32—Details
    • F16K1/34—Cutting-off parts, e.g. valve members, seats
    • F16K1/46—Attachment of sealing rings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K15/00—Check valves
    • F16K15/02—Check valves with guided rigid valve members
    • F16K15/03—Check valves with guided rigid valve members with a hinged closure member or with a pivoted closure member
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L23/00—Flanged joints
    • F16L23/16—Flanged joints characterised by the sealing means
    • F16L23/18—Flanged joints characterised by the sealing means the sealing means being rings

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)

Abstract

The invention provides a thixotropic slurry pipe joint connecting device, which comprises a first pipe joint; the second pipe joint is detachably connected with the first pipe joint to form a complete slurry channel; the non-return part is arranged in the second pipe joint to stop the backflow mud. According to the thixotropic slurry pipe joint connecting device, when grouting is carried out, slurry enters the second pipe joint from the first pipe joint and then enters the grouting hole to complete one grouting circulation. The non-return part is arranged in the slurry channel, and when grouting is carried out, the non-return part is opened by the acting force of slurry, so that the slurry can smoothly enter. When the grouting circulation is finished once and the next grouting circulation needs to be carried out, the first pipe joint is disassembled, the slurry can flow back along the second pipe joint under the hydraulic action of the backflow slurry, and the check part moves under the stress to close the slurry channel, so that the backflow of the slurry is avoided.

Description

Thixotropic slurry pipe joint connecting device
Technical Field
The invention relates to the technical field of thixotropic slurry pipe connection, in particular to a thixotropic slurry pipe joint connecting device.
Background
The existing mechanical pipe jacking thixotropic slurry pipe joint connection mode is conventional clamp connection, after one section of pipeline is jacked, the thixotropic slurry pipe needs to be disconnected, then one section of thixotropic slurry pipe with the same length as the jacking pipeline is prolonged, and after the thixotropic slurry pipe is disconnected, thixotropic slurry of a pipe jacking machine head flows back to a disconnection point, so that slurry consumption is increased, and pollution is caused in a working well; simultaneously, the pressure of the mud on the working face of the machine head is reduced, and the ground surface is settled.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art.
Therefore, the invention provides a thixotropic slurry pipe joint connecting device.
The invention provides a thixotropic slurry pipe joint connecting device, which comprises:
a first pipe section;
the second pipe joint is detachably connected with the first pipe joint to form a complete slurry channel;
the non-return part is arranged in the second pipe joint to stop the backflow mud.
According to the thixotropic slurry pipe joint connecting device provided by the invention, the first pipe joint and the second pipe joint form a detachable connecting structure, so that the first pipe joint is convenient to disassemble and assemble. In addition, after the first pipe joint and the second pipe joint are installed, a complete slurry channel is formed inside the first pipe joint and the second pipe joint, so that when grouting is performed, slurry enters the second pipe joint from the first pipe joint and then enters the grouting hole to complete one-time grouting circulation. The non-return part is arranged in the slurry channel, and when grouting is carried out, the non-return part is opened by the acting force of slurry, so that the slurry can smoothly enter. When the grouting circulation is finished once and the next grouting circulation needs to be carried out, the first pipe joint is disassembled, the slurry can flow back along the second pipe joint under the hydraulic action of the backflow slurry, and the check part moves under the stress to close the slurry channel, so that the backflow of the slurry is avoided.
The thixotropic slurry pipe joint connecting device according to the technical scheme of the invention can also have the following additional technical characteristics:
in the above-mentioned technical scheme, the non return portion includes:
a stop projection formed in the second pipe section;
a check valve coupled to at least a portion of the stop protrusion, wherein the check valve is capable of opening or closing the mud passage when acted upon by mud.
In this technical scheme, the non return portion can move in the mud passageway to open or close the mud passageway. Specifically, when slurry is fed, slurry exerts acting force on the non-return part, so that the non-return part moves to one side and is separated from the stop protrusion, a slurry channel is opened, and slurry enters from the channel to finish the grouting process. After the first circulation of grouting is completed, the first pipe joint is detached, under the action of the hydraulic pressure of the backflow slurry, the non-return part is stressed to move again, the contact stop is protruded, the slurry channel is closed, the slurry backflow is avoided, and at the moment, a new slurry pipe joint is connected to perform new grouting circulation.
In the above technical solution, the check valve includes:
the connecting part is arranged on the stop protrusion;
the handle is connected with the connecting part through a rotating shaft;
the valve body is connected with the handle through a bolt system;
wherein when the valve body is acted by mud, the valve body is contacted with the stop protrusion to close the mud channel; or the valve body and the stop protrusion are separated to open the slurry channel.
In the technical scheme, the connecting part is arranged on the stop protrusion, and the handle is connected with the rotating shaft of the handle, so that the rotation of the valve body is ensured. In this embodiment, the valve body is forced to close the mud passage with the protruding stop and to open the mud passage with the protruding stop.
In the above technical solution, the method further comprises:
and the sealing part is arranged on the valve body and the stop protrusion.
In the present invention, the seal portion is used to ensure the reliability of the seal.
In the above technical solution, the sealing portion includes:
a gasket disposed on the valve body;
the rubber ring is arranged on the stop protrusion;
when the valve body receives the action of slurry, the valve body drives the gasket to be in contact with the rubber ring so as to close the slurry channel; or the valve body drives the gasket and the rubber ring to separate so as to open the slurry channel.
In this technical scheme, packing ring and rubber circle constitute reliable seal structure to guarantee to avoid mud infiltration backward flow. Specifically, when the valve body is under the action of slurry, the gasket can be driven to be in contact with the rubber ring to close the slurry channel, so that slurry backflow is avoided; and the gasket and the rubber ring are driven to be separated to open the slurry channel, so that smooth grouting is ensured.
In the above solution, the mud channel at the second pipe section is at least partly expanded radially outwards along the second pipe section to form an epicyclic space accommodating the movement of the check valve.
In this technical scheme, the turnover space is formed in the mud passageway. Since the non-return valve is in motion in the mud channel, in order to ensure that the mud channel is fully open, an turnaround space is increased for ensuring rotation of the non-return valve.
In the above technical solution, the first pipe joint and the second pipe joint form a detachable connection structure through a bolt portion.
In this technical scheme, first tube coupling and second tube coupling constitute can dismantle connection structure, guarantee both's dismantled connectivity to improve the efficiency of construction.
In the above-described aspect, the bolt portion includes:
a connecting projection formed at the connecting ports of the first pipe section and the second pipe section;
a connection hole site formed at the connection protrusion;
and the connecting bolt is screwed to the connecting hole position so as to connect the first pipe joint and the second pipe joint.
In this technical scheme, connect the protrusion and be used for providing the installation station, through the connecting bolt who connects soon in connecting the hole site, accomplish the dismantled connection of first tube coupling and second tube coupling. The connection mode is simple and convenient to operate.
In the above technical solution, the antenna further includes a coupling portion, the coupling portion includes:
a coupling protrusion formed at the first pipe section;
and the coupling groove is formed in the second pipe joint, and the coupling protrusion and the coupling groove form a coupling structure.
In this technical scheme, coupling protrusion and coupling recess mutually cooperate, form coupling structure to increase the connectivity of first tube coupling and second tube coupling.
In the above technical solution, the method further comprises:
and the elastic piece is arranged on the first pipe section and is positioned between the connecting bulges.
In this technical scheme, the elastic component is used for when the bolt portion connects, owing to receive the convex squeezing action of connection to with the gap shutoff between the tube coupling, avoid the leakage of medium in the pipeline.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a block diagram of a thixotropic grout pipe joint connection of the present invention;
FIG. 2 is a structural view of the thixotropic grout pipe joint connection of the present invention in a grouted state;
figure 3 is a block diagram of the thixotropic mud pipe joint connection of the present invention in a mud return condition.
Wherein, the correspondence between the reference numbers and the component names in fig. 1 to 3 is:
1. a first pipe section; 2. a second pipe section; 3. a non-return portion; 31. the stop is protruded; 32. a check valve; 3201. a connecting portion; 3202. a handle; 3203. a valve body; (ii) a 3204. A bolt system; 33. a sealing part; 3301. a gasket; 3302. a rubber ring; 41. a connecting projection; 42. a connecting bolt; 51. a coupling protrusion; 52. a coupling groove; 6. an elastic member.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced otherwise than as specifically described herein, and thus the scope of the present invention is not limited by the specific embodiments disclosed below.
Thixotropic grout pipe joint connecting devices provided according to some embodiments of the present invention will be described with reference to fig. 1 to 3.
Some embodiments of the present application provide a thixotropic grout pipe joint connection.
As shown in fig. 1 to 3, a first embodiment of the present invention provides a thixotropic mud pipe joint connecting device, including:
a first pipe section 1;
the second pipe joint 2 is detachably connected with the first pipe joint 1 to form a complete slurry channel;
and a stopping part 3 disposed in the second pipe joint 2 to stop the returned mud.
According to the thixotropic slurry pipe joint connecting device provided by the invention, the first pipe joint 1 and the second pipe joint 2 form a detachable connecting structure, so that the first pipe joint 1 is convenient to disassemble and assemble. In addition, after the first pipe joint 1 and the second pipe joint 2 are installed, a complete slurry channel is formed inside the first pipe joint 1 and the second pipe joint 2, so that when grouting is performed, slurry enters the second pipe joint 2 from the first pipe joint 1 and then enters a grouting hole to complete one grouting cycle. The non-return part 3 is arranged in the slurry channel, and when grouting is carried out, the non-return part receives the acting force of slurry to open the slurry channel, so that the slurry can smoothly enter the channel. When the grouting circulation is finished for the next time, the first pipe joint 1 is dismounted, the slurry can flow back along the second pipe joint 2 under the hydraulic action of the backflow slurry, and the non-return part 3 moves under stress to close the slurry channel, so that the backflow of the slurry is avoided.
A second embodiment of the present invention provides a thixotropic grout pipe joint connecting device, and on the basis of the first embodiment, the non-return portion 3 includes:
a stopper projection 31 formed in the second pipe joint 2;
a check valve 32 connected to at least a portion of the stop protrusion 31, wherein the check valve 32 is acted upon by mud to open or close the mud passage.
In this embodiment, the non-return portion 3 is movable within the mud channel so as to open or close the mud channel. Specifically, when slurry is fed, slurry exerts a force on the non-return portion 3, so that it moves to one side, and disengages from the stop protrusion 31, thereby opening the slurry passage, and slurry enters from the passage, completing the grouting process. After the first circulation of grouting is completed, the first pipe joint 1 is detached, under the action of the hydraulic pressure of the backflow slurry, the non-return part 3 is stressed to move again and contacts the stop protrusion 31, so that the slurry channel is closed, the backflow of the slurry is avoided, and at the moment, a new slurry pipe joint is connected to perform new grouting circulation.
In a third embodiment of the present invention, a thixotropic mud pipe joint connecting device is provided, and based on any one of the above embodiments, the check valve 32 includes:
a connecting part 3201 disposed on the stopper protrusion 31;
a handle 3202 rotatably connected to the connecting part 3201;
a valve body 3203 connected to the handle 3202 via a bolt system 3204;
wherein, when the valve body 3203 receives a slurry action, the valve body 3203 contacts the stopper protrusion 31 to close the slurry passage; or the valve body 3203 and the stopper protrusion 31 are separated to open the slurry passage.
In the present embodiment, the connecting portion 3201 is disposed at the stopper protrusion 31, and the handle 3202 is connected to the rotation shaft thereof, thereby ensuring the rotation of the valve body 3203. In this embodiment, the valve body 3203 is forced to close the mud passage with the protruding stop and to open the mud passage with the protruding stop.
A fourth embodiment of the present invention provides a thixotropic slurry pipe joint connecting device, and on the basis of any one of the above embodiments, the thixotropic slurry pipe joint connecting device further includes:
and a sealing part 33 provided on the valve body 3203 and the stopper protrusion 31.
In the present embodiment, the seal portion 33 is used to ensure the reliability of the sealing.
In a fifth embodiment of the present invention, a thixotropic mud pipe joint connecting device is provided, and on the basis of any one of the above embodiments, the sealing portion 33 includes:
a gasket 3301 provided in the valve body 3203;
a rubber ring 3302 disposed on the stopper protrusion 31;
when the valve body 3203 receives the action of slurry, the valve body 3203 brings the gasket 3301 and the rubber ring 3302 into contact to close the slurry channel; or the valve body 3203 brings the gasket 3301 and the rubber ring 3302 to separate so as to open the slurry channel.
In this embodiment, the gasket 3301 and the rubber ring 3302 constitute a reliable sealing structure, thereby ensuring prevention of infiltration and backflow of slurry. Specifically, when the valve body 3203 is subjected to slurry acting force, the gasket 3301 and the rubber ring 3302 can be driven to contact to close the slurry channel, so that slurry backflow is avoided; and the washer 3301 and the rubber ring 3302 are driven to separate to open the slurry channel, thereby ensuring smooth grouting.
A sixth embodiment of the invention provides a thixotropic mud pipe joint connection and in any of the above embodiments the mud channel in the second pipe joint 2 expands radially outwardly at least partially along the second pipe joint 2 to form an turnaround space to accommodate movement of the check valve 32.
In this embodiment, an turnaround space is formed within the mud channel. Since the check valve 32 is in motion in the mud channel, in order to ensure that the mud channel is fully open, an turnaround space is increased for ensuring rotation of the check valve 32.
A seventh embodiment of the present invention provides a thixotropic slurry pipe joint connecting device, and on the basis of any of the above embodiments, the first pipe joint 1 and the second pipe joint 2 form a detachable connecting structure through a bolt portion.
In this embodiment, the first pipe joint 1 and the second pipe joint 2 form a detachable connection structure, and the detachable connection between the first pipe joint and the second pipe joint is ensured, so that the construction efficiency is improved.
An eighth embodiment of the present invention provides a thixotropic slurry pipe joint connecting device, and on the basis of any of the above embodiments, the bolt portion includes:
a connecting projection 41 formed at the connecting ports of the first pipe joint 1 and the second pipe joint 2;
a connection hole site formed at the connection protrusion 41;
and a connection bolt 42 screwed to the connection hole site to connect the first pipe joint 1 and the second pipe joint 2.
In this embodiment, the connecting projection 41 is used to provide an installation station for detachably connecting the first pipe joint 1 and the second pipe joint 2 by means of a connecting bolt 42 screwed into the connecting hole. The connection mode is simple and convenient to operate.
A ninth embodiment of the present invention provides a thixotropic slurry pipe joint connecting device, and on the basis of any of the above embodiments, the thixotropic slurry pipe joint connecting device further includes a coupling portion, where the coupling portion includes:
a coupling protrusion 51 formed at the first pipe joint 1;
and a coupling groove 52 formed at the second pipe section 2, wherein the coupling protrusion 51 and the coupling groove 52 constitute a coupling structure.
In the present embodiment, the coupling protrusion 51 and the coupling groove 52 cooperate with each other to form a coupling structure, thereby increasing the connectivity of the first pipe joint 1 and the second pipe joint 2.
A tenth embodiment of the present invention provides a thixotropic slurry pipe joint connecting device, and on the basis of any one of the above embodiments, the thixotropic slurry pipe joint connecting device further includes:
and the elastic piece 6 is arranged on the first pipe joint 1 and positioned between the connecting bulges 41.
In this embodiment, the elastic member 6 is used for sealing the gap between the pipe joints and preventing the medium in the pipeline from leaking due to the pressing action of the connecting protrusion 41 when the bolt portion is connected.
In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The utility model provides a thixotropic mud pipe coupling connecting device which characterized in that includes:
a first pipe section (1);
the second pipe section (2) is detachably connected with the first pipe section (1) to form a complete slurry channel;
and the non-return part (3) is arranged in the second pipe joint (2) and used for blocking the returned mud.
2. The thixotropic mud pipe joint connection according to claim 1, wherein the non-return portion (3) comprises:
a stop projection (31) formed in the second pipe section (2);
a check valve (32) connected to at least part of the stop projection (31), wherein the check valve (32) is acted upon by the slurry to open or close the slurry channel.
3. The thixotropic mud pipe joint connection of claim 2, wherein the check valve (32) comprises:
a connecting portion (3201) provided to the stopper projection (31);
a handle (3202) which is connected with the connecting part (3201) in a rotating way;
a valve body (3203) connected to the handle (3202) by a bolt system (3204);
wherein, when the valve body (3203) receives the action of mud, the valve body (3203) contacts with the stop protrusion (31) to close the mud passage; or the valve body (3203) and the stopper projection (31) are separated to open the slurry passage.
4. The thixotropic mud pipe joint connection of claim 3, further comprising:
and a sealing part (33) provided on the valve body (3203) and the stopper protrusion (31).
5. The thixotropic mud pipe joint connection of claim 4, wherein the sealing portion (33) comprises:
a gasket (3301) provided to the valve body (3203);
a rubber ring (3302) provided to the stopper projection (31);
wherein, when the valve body (3203) receives the action of slurry, the valve body (3203) brings the gasket (3301) and the rubber ring (3302) into contact to close the slurry channel; or, the valve body (3203) drives the gasket (3301) and the rubber ring (3302) to separate so as to open the slurry channel.
6. A thixotropic mud pipe joint connection according to claim 5, characterised in that the mud channel at the second pipe joint (2) expands at least partly radially outwards along the second pipe joint (2) to form an epicyclic space accommodating the movement of the non-return valve (32).
7. A thixotropic mud pipe joint connecting device according to any one of claims 1 to 6, characterised in that the first pipe joint (1) and the second pipe joint (2) are detachably connected by means of bolted joints.
8. The thixotropic mud pipe joint connection of claim 7 wherein the bolt portion comprises:
a connecting projection (41) formed at a connecting port of the first pipe joint (1) and the second pipe joint (2);
a connection hole site formed at the connection protrusion (41);
a connecting bolt (42) screwed to the connecting hole site to connect the first pipe joint (1) and the second pipe joint (2).
9. The thixotropic mud pipe joint connection of claim 8, further comprising a coupling portion, the coupling portion comprising:
a coupling protrusion (51) formed at the first pipe section (1);
a coupling groove (52) formed at the second pipe section (2), and the coupling protrusion (51) and the coupling groove (52) constitute a coupling structure.
10. The thixotropic mud pipe joint connection of claim 9, further comprising:
and the elastic piece (6) is arranged on the first pipe joint (1) and is positioned between the connecting bulges (41).
CN202210287272.9A 2022-03-23 2022-03-23 Thixotropic slurry pipe joint connecting device Pending CN114645981A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210287272.9A CN114645981A (en) 2022-03-23 2022-03-23 Thixotropic slurry pipe joint connecting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210287272.9A CN114645981A (en) 2022-03-23 2022-03-23 Thixotropic slurry pipe joint connecting device

Publications (1)

Publication Number Publication Date
CN114645981A true CN114645981A (en) 2022-06-21

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Family Applications (1)

Application Number Title Priority Date Filing Date
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Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006322285A (en) * 2005-05-20 2006-11-30 Kansai Electric Power Co Inc:The Construction method and device for closing borehole
CN201448488U (en) * 2009-07-31 2010-05-05 广州市建筑机械施工有限公司 Back valve and steel tube equipped with the same
CN201531653U (en) * 2009-11-12 2010-07-21 沈阳大学 Ore pulp check valve
CN106401528A (en) * 2016-12-15 2017-02-15 成都市卓新实业有限公司 Grouting method for drilling rod
CN206206982U (en) * 2016-10-25 2017-05-31 浙江交工集团股份有限公司 The lubricant fill nipple of push-bench thixotropic slurry conveyance conduit
CN109027418A (en) * 2018-08-30 2018-12-18 上海隧道工程有限公司 Pipe jacking tunnel concrete tube coupling
CN109441474A (en) * 2018-12-28 2019-03-08 中铁隧道集团三处有限公司 Tube coupling structure and its construction method during a kind of jacking construction
CN111609210A (en) * 2020-05-20 2020-09-01 中电建十一局工程有限公司 Thixotropic slurry replacement construction method for pipe jacking construction
CN113503398A (en) * 2021-08-04 2021-10-15 江苏阔景建设工程有限公司 Trenchless pipeline and construction method thereof
CN214532989U (en) * 2021-03-04 2021-10-29 北京市政建设集团有限责任公司 Shield constructs quick-witted slip casting pipeline
CN215332855U (en) * 2021-04-15 2021-12-28 厦门荣信伟业建材有限公司 Pipe joint structure in pipe jacking construction process

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006322285A (en) * 2005-05-20 2006-11-30 Kansai Electric Power Co Inc:The Construction method and device for closing borehole
CN201448488U (en) * 2009-07-31 2010-05-05 广州市建筑机械施工有限公司 Back valve and steel tube equipped with the same
CN201531653U (en) * 2009-11-12 2010-07-21 沈阳大学 Ore pulp check valve
CN206206982U (en) * 2016-10-25 2017-05-31 浙江交工集团股份有限公司 The lubricant fill nipple of push-bench thixotropic slurry conveyance conduit
CN106401528A (en) * 2016-12-15 2017-02-15 成都市卓新实业有限公司 Grouting method for drilling rod
CN109027418A (en) * 2018-08-30 2018-12-18 上海隧道工程有限公司 Pipe jacking tunnel concrete tube coupling
CN109441474A (en) * 2018-12-28 2019-03-08 中铁隧道集团三处有限公司 Tube coupling structure and its construction method during a kind of jacking construction
CN111609210A (en) * 2020-05-20 2020-09-01 中电建十一局工程有限公司 Thixotropic slurry replacement construction method for pipe jacking construction
CN214532989U (en) * 2021-03-04 2021-10-29 北京市政建设集团有限责任公司 Shield constructs quick-witted slip casting pipeline
CN215332855U (en) * 2021-04-15 2021-12-28 厦门荣信伟业建材有限公司 Pipe joint structure in pipe jacking construction process
CN113503398A (en) * 2021-08-04 2021-10-15 江苏阔景建设工程有限公司 Trenchless pipeline and construction method thereof

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Application publication date: 20220621