CN109163156A - It is built in the circuit design structure into spoil disposal and thixotropic slurry of tube coupling - Google Patents
It is built in the circuit design structure into spoil disposal and thixotropic slurry of tube coupling Download PDFInfo
- Publication number
- CN109163156A CN109163156A CN201811005043.3A CN201811005043A CN109163156A CN 109163156 A CN109163156 A CN 109163156A CN 201811005043 A CN201811005043 A CN 201811005043A CN 109163156 A CN109163156 A CN 109163156A
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- CN
- China
- Prior art keywords
- tube coupling
- lead
- plug
- built
- grouting pipe
- 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.)
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Classifications
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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
- F16L25/00—Constructive types of pipe joints not provided for in groups F16L13/00 - F16L23/00 ; Details of pipe joints not otherwise provided for, e.g. electrically conducting or insulating means
- F16L25/10—Sleeveless joints between two pipes, one being introduced into the other
Abstract
The present invention relates to a kind of circuit design structures into spoil disposal and thixotropic slurry for being built in tube coupling, which includes: tube coupling ontology, have opposite first end face and second end face；And it is embedded in the intrinsic Grouting Pipe of the tube coupling, one end of the Grouting Pipe protrudes out the first end face and forms plug, and other end formation is compatible with the plug to take the lead, and the interface taken the lead is set in the second end face；When two adjacent concrete tube couplings dock, plug on one of concrete tube coupling be inserted on another concrete tube coupling it is corresponding take the lead in, so that the Grouting Pipe on two adjacent concrete tube couplings is connected, and soil improvement slurries are conveyed to the cutterhead of push-bench by the Grouting Pipe.The present invention realizes the spreading of Grouting Pipe with the assembly of tube coupling, conveys soil improvement slurries using the cutterhead that the Grouting Pipe is push-bench, so as to avoid the operation of the pipeline spreading of existing conveying soil improvement slurries, saves construction time and human cost.
Description
Technical field
The present invention relates to pipe jacking tunnel engineering field, refer in particular to it is a kind of be built in tube coupling into spoil disposal and the pipeline of thixotropic slurry
Design structure.
Background technique
The tunnels such as current city subway, highway, railway are more and more common, and construction by pipeline jacking method is the master of Construction of City Tunnel
Method is wanted, push bench process is a kind of no-excavation construction method, and cardinal principle is to head into ground for prefabricated tube coupling by back jack
In layer, and then form the required tunnel of construction.Push-bench need to spray soil improvement slurries in jacking construction at head cutterhead,
Appearance to prevent head cutterhead from occluding, phenomena such as cutterhead mud lining.Due to the particularity of jacking construction, i.e. one tube coupling of every propulsion
A new tube coupling will be headed at rear portion, when carrying out this operation, all kinds of pipelines of corresponding push-bench are also required to carry out at spreading
Reason, however this process will expend more time and artificial.
Summary of the invention
It is an object of the invention to overcome the deficiencies of existing technologies, provide it is a kind of be built in tube coupling into spoil disposal and thixotroping mud
The circuit design structure of slurry, when solving existing construction by pipeline jacking method with the jacking of push-bench correspondingly all kinds of pipelines be also required into
The processing of row spreading, and then caused consuming more time and artificial problem.
Realizing the technical solution of above-mentioned purpose is:
The present invention provides a kind of circuit design structures into spoil disposal and thixotropic slurry for being built in tube coupling, comprising:
Tube coupling ontology has opposite first end face and second end face；And
Be embedded in the intrinsic Grouting Pipe of the tube coupling, one end of the Grouting Pipe protrude out the first end face formed it is slotting
Head, other end formation is compatible with the plug to take the lead, and the interface taken the lead is set in the second end face；
When two adjacent concrete tube couplings dock, the plug on one of concrete tube coupling is inserted into another coagulation
On native tube coupling it is corresponding take the lead in so that the Grouting Pipe on two adjacent concrete tube couplings is connected, and pass through the note
It starches pipe and conveys soil improvement slurries to the cutterhead of push-bench.
The invention proposes a kind of new circuit design structures into spoil disposal and thixotropic slurry for being built in tube coupling, in coagulation
Grouting Pipe is buried in native tube coupling, is the knife of push-bench using the Grouting Pipe as the assembly of tube coupling realizes the spreading of Grouting Pipe
Disk conveys soil improvement slurries, can be very big so as to avoid the operation of the pipeline spreading of existing conveying soil improvement slurries
Construction time and human cost are saved in degree.Plug and take the lead realization of the Grouting Pipe by adaptation on adjacent concrete tube coupling
Bayonet joint, connection speed is fast, can save the set-up time of tube coupling.
The present invention be built in the circuit design structure into spoil disposal and thixotropic slurry of tube coupling further improvement lies in that, it is described
The inner wall taken the lead is equipped with a circle boss, and the boss is tightly attached to the outer surface of the plug in taking the lead described in insertion, thus by institute
Plug is stated to be anchored in described take the lead.
The present invention be built in the circuit design structure into spoil disposal and thixotropic slurry of tube coupling further improvement lies in that, it is described
An annular seal ring is equipped in taking the lead, the annular seal ring is attached at the boss and is located on the boss and connects far from described
Mouthful side, by the annular seal ring sealing described in take the lead and be inserted into described in take the lead in plug between gap.
The present invention be built in the circuit design structure into spoil disposal and thixotropic slurry of tube coupling further improvement lies in that, it is described
Plug and described take the lead are in truncated cone-shaped, and the plug becomes larger from end to the diameter close to the side taken the lead, institute
The end taken the lead is stated to gradually become smaller to the diameter of the side close to the plug.
The present invention be built in the circuit design structure into spoil disposal and thixotropic slurry of tube coupling further improvement lies in that, it is described
Be equipped with an annular seal ring in taking the lead, the annular seal ring be located in it is described take the lead and be inserted into described in take the lead interior plug it
Between, and described take the lead is sealed between corresponding plug.
The present invention be built in the circuit design structure into spoil disposal and thixotropic slurry of tube coupling further improvement lies in that, it is described
The outer surface of tube coupling ontology is equipped with an annular concave surface at the first end face；
A loop connecting plate is embedded on the tube coupling ontology, the connecting plate is set at the second end face, and described
The outer surface flush of the outer surface of connecting plate and the tube coupling ontology, the connecting plate part protrude out the second end face；
When two adjacent concrete tube couplings dock, the connecting plate on one of concrete tube coupling is sheathed on another
In the annular concave surface of concrete tube coupling, and the outer surface flush of the outer surface of the connecting plate and another concrete tube coupling.
The present invention be built in the circuit design structure into spoil disposal and thixotropic slurry of tube coupling further improvement lies in that, it is described
It is arranged with sealing ring in annular concave surface, the gap between the annular concave surface and the connecting plate is sealed by the sealing ring.
Detailed description of the invention
Fig. 1 is the knot at the first end face for the circuit design structure into spoil disposal and thixotropic slurry that the present invention is built in tube coupling
Structure schematic diagram.
Fig. 2 is the knot at the second end face for the circuit design structure into spoil disposal and thixotropic slurry that the present invention is built in tube coupling
Structure schematic diagram.
Fig. 3 is the cross-sectional view of the adjacent two concrete tube couplings connection of the present invention.
Fig. 4 be the present invention be built in tube coupling into the plug of Grouting Pipe in the circuit design structure of spoil disposal and thixotropic slurry
Partial enlargement diagram.
Fig. 5 is that the present invention is built in taking the lead into Grouting Pipe in the circuit design structure of spoil disposal and thixotropic slurry for tube coupling
Partial enlargement diagram.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings and specific examples.
Refering to fig. 1, the present invention provides a kind of circuit design structures into spoil disposal and thixotropic slurry for being built in tube coupling, use
It needs to carry out spreading processing to the pipeline in push-bench when splicing tube coupling in the existing construction by pipeline jacking method of solution, especially push up
The spreading of Grouting Pipe at the cutterhead of pipe machine head is able to solve consuming time and artificial problem that the spreading is handled.This hair
It is provided with Grouting Pipe in bright concrete tube coupling, and Grouting Pipe forms a plug in the first end face of concrete tube coupling, second
End face forms and one takes the lead, and realizes when splice tube coupling, Grouting Pipe can be realized bayonet joint with taking the lead using plug, from
And the effect of spreading Grouting Pipe is realized, soil improvement slurry can be conveyed from push-bench rear portion to the cutterhead of push-bench by Grouting Pipe
Liquid can greatly save construction time and artificial.With reference to the accompanying drawing to the present invention be built in tube coupling into spoil disposal and thixotroping
The circuit design structure of mud is illustrated.
Refering to fig. 1, it is shown that the present invention is built in the first of the circuit design structure into spoil disposal and thixotropic slurry of tube coupling
The structural schematic diagram of endface.Refering to Fig. 3, it is shown that the cross-sectional view of the adjacent two concrete tube couplings connection of the present invention.Below
In conjunction with Fig. 1 and Fig. 3, the structure for the circuit design structure into spoil disposal and thixotropic slurry that the present invention is built in tube coupling is said
It is bright.
As shown in figures 1 and 3, the circuit design structure into spoil disposal and thixotropic slurry for being built in tube coupling of the invention includes
Tube coupling ontology 21 and Grouting Pipe 22, as shown in connection with fig. 2, tube coupling ontology 21 have opposite first end face 211 and second end face
212；Grouting Pipe 22 is embedded in tube coupling ontology 21, and one end of the Grouting Pipe 22 protrudes out the first end face 211 of tube coupling ontology 21
Form plug 221, the other end formed it is compatible with the plug 221 take the lead 222, take the lead 222 interface 2221 set on second end
On face 212；When two adjacent concrete tube couplings dock, the plug 221 on one of concrete tube coupling is inserted into another
It is corresponding on concrete tube coupling to take the lead in 222, so that the Grouting Pipe 22 on two adjacent concrete tube couplings is connected, and lead to
It crosses Grouting Pipe 22 and conveys soil improvement slurries to the cutterhead of push-bench.
When push-bench tunneling construction, at the rear portion of push-bench, connection is located at the concrete tube coupling of stem, the coagulation of the stem
Native tube coupling is moved with the driving of push-bench to being formed by tunnel, and push-bench is per one section of driving forward it is necessary at rear portion
An assembled new concrete tube coupling.Based on this construction, Grouting Pipe 22 is embedded in concrete tube coupling of the invention, and
Grouting Pipe 22 uses the connection type of spigot-and-socket in adjacent pipe of concrete internode, and connection speed is fast, can be improved construction efficiency.
The embedded direction of Grouting Pipe 22 of the invention is consistent with the direction of propulsion of push-bench, thus can be to push-bench using Grouting Pipe 22
Head input slurries.Following effect is achieved: after the assembly of concrete tube coupling is good, with regard to direct spreading Grouting Pipe 22.
Directly the soil improvement slurries at rear can be sent at the cutterhead of push-bench by the Grouting Pipe 22, so as to avoid manually connecing
The operation of long lines, saves construction time and human cost.
As a better embodiment of the invention, as shown in Figure 3 and Figure 5, take the lead 222 inner wall be equipped with one circle boss
2222, which is tightly attached to the outer surface for the plug 221 that insertion is taken the lead in 222, takes the lead so that plug 221 is anchored on
In 222.The close grafting for realizing plug 221 using the boss 2222 of setting and taking the lead between 222, improves connection between the two
Intensity.
Preferably, boss 2222 by take the lead 222 outer surface on part-structure concave and formed.
As another better embodiment of the invention, as shown in figure 5, being equipped with an annular seal ring in 222 taking the lead
223, which is attached at boss 2222 and is located at the side on boss 2222 far from interface 2221, passes through ring-type
Sealing ring 223 seals the gap taken the lead between 222 and the plug 221 taken the lead in 222 of insertion, to realize sealing Grouting Pipe 22
Joint avoids the leakage of slurries.
Alternatively, an annular seal ring 223 is arranged in 222 taking the lead, it is located in by the annular seal ring 223 and takes the lead 222
And insertion is taken the lead between the plug 221 in 222, and is sealed between 222 and corresponding plug 221 to taking the lead.
Preferably, the thickness of annular seal ring 223 is greater than 2222 thickness of boss, so that the inner surface of annular seal ring 222
Than boss 2222 inner surface closer to take the lead 222 inside.Annular seal ring 223 is set in this way, annular seal can be improved
Circle 223 is taken the lead the compactness between 222, to improve sealing effect.
As another better embodiment of the invention, as shown in Figure 4 and Figure 5, plug 221 and 222 are taken the lead in rotary table
Shape, plug 221 become larger from end to close to 222 diameter of side of taking the lead, take the lead 222 end to close to plug 221
The diameter of side gradually become smaller.So that the end of plug 221 can easily and quickly be inserted into take the lead 222 end,
Because take the lead 222 end diameter be greater than plug 221 end diameter.
As shown in connection with fig. 3, Grouting Pipe 22 is the equal tube body of diameter, forms diameter in the one end of the tube body and gradually becomes
Small plug 221, the diameter of 221 end of plug is minimum, and what the other end formed that diameter becomes larger take the lead 222, takes the lead 222
The diameter of end is maximum.Cooperate in the boss 2222 and annular seal ring 223 being arranged in 222 of taking the lead, constantly with plug 221
Insertion is taken the lead in 222, and the outer surface of plug 221 is in contact with boss 2222 and annular seal ring 223, up to grafting in place when,
The outer surface of plug 221 is fitted closely with boss 2222, and the part of corresponding annular seal ring 223 222 is clamped together with taking the lead
Annular seal ring 223 realizes preferable sealing effect by annular seal ring 223.
As another better embodiment of the invention, as shown in Figure 1, in the outer surface of tube coupling ontology 21 close to first end
An annular concave surface 213 is equipped at face 211；As shown in connection with fig. 2, a loop connecting plate 23, the company are embedded on tube coupling ontology 21
Fishplate bar 23 is set at second end face 212, and the outer surface flush of the outer surface of connecting plate 23 and tube coupling ontology 21, the connecting plate
23 parts protrude out second end face 212；Thus in adjacent two concrete tube couplings docking, on one of concrete tube coupling
Connecting plate 23 be sheathed in the annular concave surface 213 of another concrete tube coupling, and the outer surface of the connecting plate 23 and another
The outer surface flush of concrete tube coupling.Distance etc. i.e. between outer surface of the outer surface of annular concave surface 213 away from tube coupling ontology 21
In the thickness of connecting plate 23.By the way that connecting plate 23 is arranged, waterproof can be played the role of in the junction of two concrete tube couplings.Compared with
Goodly, which is steel plate for sealing water.
Further, to improve water-stagnating effect, sealing ring 24 is arranged in annular concave surface 213, the sealing ring 24 sealing
Gap between annular concave surface 213 and connecting plate 23.Preferably, the sealing ring 24 is set to the end of connecting plate 23, will connect
The end part seal of plate 23 prevents the water outside concrete tube coupling from entering the inside of tube coupling.
As better embodiment another again of the invention, as shown in Figure 1 to Figure 3, rotation stop is equipped in first end face 211
Protrusion 214, second end face 212 are equipped with and the raised 214 compatible rotation stop grooves 215 of rotation stop.Two adjacent pipe of concretes
When section docking, the rotation stop protrusion 214 on a concrete tube coupling is inserted into the rotation stop groove 215 of another concrete tube coupling,
The docking location that two concrete tube couplings can be quickly positioned using the rotation stop protrusion 214 and rotation stop groove 215 of setting, is being docked
Afterwards, it can prevent from generating rotation between two tube couplings.Preferably, first end face 211 and second end face 212 are circumferentia, rotation stop is convex
Rise 214 and rotation stop groove 215 be provided with multiple, be uniformly arranged in the circumferentia along tube coupling ontology 21.Again goodly, rotation stop protrusion
214 shape is quadrangular frustum pyramid shaped.
Preferably, tube coupling ontology 21 of the invention is concrete tube coupling, it is integrated the annular structure for pouring and being formed.Note
It starches there are two the settings of pipe 22, and Grouting Pipe 22 is set at the bottom of tube coupling ontology 21.In push-bench construction, in the coagulation of stem
A connecting tube is connected at plug 221 on native tube coupling, and the other end of the connecting tube is connected to the injected hole of the cutterhead of push-bench
On, pump line is connected at 222 being located at taking the lead for the concrete tube coupling of tail portion, by pump line to the Grouting Pipe 22 being embedded in tube coupling
Soil improvement slurries are transported at cutterhead by Grouting Pipe 22 and connecting tube by interior injection soil improvement slurries in this way.
The circuit design structure setting into spoil disposal and thixotropic slurry for being built in tube coupling of the invention has connecting plate and ring-type
Concave surface, rotation stop protrusion and rotation stop groove, plug and take the lead, and realize quick connection when tube coupling assembly, simplify pipe sheet assembling
The step of, connection and the relatively complicated step of encapsulation process between existing tube coupling are eliminated, to save cost and time.
Below to the construction party of the circuit design structure into spoil disposal and thixotropic slurry provided by the invention for being built in tube coupling
Method is illustrated.
A kind of construction method of circuit design structure into spoil disposal and thixotropic slurry being built in tube coupling of the invention, including
Following steps:
As depicted in figs. 1 and 2, the above-mentioned circuit design structure into spoil disposal and thixotropic slurry for being built in tube coupling is provided,
Concrete tube coupling is installed on push-bench to tunnel in the tunnel to be formed；
Utilize the plug of the injected hole at the cutterhead of connecting tube connection push-bench and the concrete tube coupling positioned at stem
221, during push-bench tunneling construction, soil improvement slurries are conveyed to cutterhead by Grouting Pipe 22 and connecting tube.
Using the above-mentioned circuit design structure into spoil disposal and thixotropic slurry for being built in tube coupling when push-bench is constructed, can lead to
It crosses the Grouting Pipe 22 being embedded in tube coupling and conveys soil improvement slurries, realize in assembled tube coupling, just complete Grouting Pipe
The soil improvement slurries at rear can be directly sent at the cutterhead of push-bench by spreading by the Grouting Pipe 22, so as to avoid
The operation of artificial spreading pipeline, saves construction time and human cost.
The structure of concrete tube coupling used in construction method of the present invention and it is above-mentioned be built in tube coupling into spoil disposal and touching
The structure for becoming the circuit design structure of mud is identical, for details, reference can be made to it is above-mentioned be built in tube coupling into spoil disposal and thixotropic slurry
The description of the structure of circuit design structure, details are not described herein.
As a better embodiment of the invention, further includes:
When assembled new concrete tube coupling, the pump line connected at 222 of taking the lead for the concrete tube coupling being located at tail portion is torn open
It removes；
By the plug 221 concrete tube coupling being located at tail portion that is inserted into of new concrete tube coupling take the lead in 222, it is real
Showed new concrete tube coupling with the concrete tube coupling that is located at tail portion dock；
By pump line and new concrete tube coupling 222 connections of taking the lead, and the soil body is pumped into Grouting Pipe 22 by pump line
Improve slurries.And then the soil improvement slurries are transported to the machine of push-bench by the Grouting Pipe in each tube coupling in tunnel
At head, and it is ejected into the work surface of cutterhead.
The present invention has been described in detail with reference to the accompanying drawings, those skilled in the art can be according to upper
It states and bright many variations example is made to the present invention.Thus, certain details in embodiment should not constitute limitation of the invention, this
Invention will be using the range that the appended claims define as protection scope of the present invention.
Claims (7)
1. a kind of circuit design structure into spoil disposal and thixotropic slurry for being built in tube coupling characterized by comprising
Tube coupling ontology has opposite first end face and second end face；And
It is embedded in the intrinsic Grouting Pipe of the tube coupling, one end of the Grouting Pipe protrudes out the first end face and forms plug,
Other end formation is compatible with the plug to take the lead, and the interface taken the lead is set in the second end face；
When two adjacent concrete tube couplings dock, the plug on one of concrete tube coupling is inserted into another pipe of concrete
On section it is corresponding take the lead in so that the Grouting Pipe on two adjacent concrete tube couplings is connected, and pass through the Grouting Pipe
Soil improvement slurries are conveyed to the cutterhead of push-bench.
2. being built in the circuit design structure into spoil disposal and thixotropic slurry of tube coupling as described in claim 1, which is characterized in that
The inner wall taken the lead is equipped with a circle boss, and the boss is tightly attached to the outer surface of the plug in taking the lead described in insertion, thus
The plug is anchored in described take the lead.
3. being built in the circuit design structure into spoil disposal and thixotropic slurry of tube coupling as claimed in claim 2, which is characterized in that
It is described take the lead in be equipped with an annular seal ring, the annular seal ring is attached at the boss and is located on the boss far from institute
The side for stating interface, by the annular seal ring sealing described in take the lead and be inserted into described in take the lead in plug between gap.
4. being built in the circuit design structure into spoil disposal and thixotropic slurry of tube coupling as claimed in claim 2, which is characterized in that
The plug and described take the lead are in truncated cone-shaped, and the plug gradually becomes from end to the diameter close to the side taken the lead
Greatly, the end taken the lead gradually becomes smaller to the diameter of the side close to the plug.
5. being built in the circuit design structure into spoil disposal and thixotropic slurry of tube coupling as described in claim 1, which is characterized in that
It is described take the lead in be equipped with an annular seal ring, the annular seal ring be located in it is described take the lead and be inserted into described in take the lead in plug
Between, and described take the lead is sealed between corresponding plug.
6. being built in the circuit design structure into spoil disposal and thixotropic slurry of tube coupling as described in claim 1, which is characterized in that
The outer surface of the tube coupling ontology is equipped with an annular concave surface at the first end face；
A loop connecting plate is embedded on the tube coupling ontology, the connecting plate is set at the second end face, and the connection
The outer surface flush of the outer surface of plate and the tube coupling ontology, the connecting plate part protrude out the second end face；
When two adjacent concrete tube couplings dock, the connecting plate on one of concrete tube coupling is sheathed on another coagulation
In the annular concave surface of native tube coupling, and the outer surface flush of the outer surface of the connecting plate and another concrete tube coupling.
7. being built in the circuit design structure into spoil disposal and thixotropic slurry of tube coupling as claimed in claim 6, which is characterized in that
It is arranged with sealing ring in the annular concave surface, between sealing between the annular concave surface and the connecting plate by the sealing ring
Gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811005043.3A CN109163156A (en) | 2018-08-30 | 2018-08-30 | It is built in the circuit design structure into spoil disposal and thixotropic slurry of tube coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811005043.3A CN109163156A (en) | 2018-08-30 | 2018-08-30 | It is built in the circuit design structure into spoil disposal and thixotropic slurry of tube coupling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109163156A true CN109163156A (en) | 2019-01-08 |
Family
ID=64893523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811005043.3A Pending CN109163156A (en) | 2018-08-30 | 2018-08-30 | It is built in the circuit design structure into spoil disposal and thixotropic slurry of tube coupling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109163156A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109611610A (en) * | 2019-01-14 | 2019-04-12 | 中铁工程装备集团有限公司 | A kind of fluid circuit continuous type jacking construction device and construction method |
| 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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| CN206768813U (en) * | 2017-03-29 | 2017-12-19 | 江苏九如建设有限公司 | Grouting behind shaft or drift lining pile for prestressed pipe |
| CN107606354A (en) * | 2017-10-20 | 2018-01-19 | 程宇婷 | A kind of leakproof high-performance flexible interface |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN204875765U (en) * | 2015-05-29 | 2015-12-16 | 广州市建筑科学研究院有限公司 | Tubular pile of pre -buried slip casting pipe with piecing devices |
| CN205447031U (en) * | 2015-12-23 | 2016-08-10 | 胜利油田新大管业科技发展有限责任公司 | Glass fiber reinforced plastic pipeline socket locking device |
| CN206191080U (en) * | 2016-08-25 | 2017-05-24 | 重庆怡能钢管制造有限公司 | A serial communication port, |
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| CN107606354A (en) * | 2017-10-20 | 2018-01-19 | 程宇婷 | A kind of leakproof high-performance flexible interface |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109611610A (en) * | 2019-01-14 | 2019-04-12 | 中铁工程装备集团有限公司 | A kind of fluid circuit continuous type jacking construction device and construction method |
| CN109611610B (en) * | 2019-01-14 | 2023-08-08 | 中铁工程装备集团有限公司 | Continuous pipe jacking construction device and construction method for fluid pipeline |
| 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: 20190108 |
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| RJ01 | Rejection of invention patent application after publication |