CN112761667A - Multi-section pipe joint installation device compatible with pipe jacking and half pipe joint shield - Google Patents
Multi-section pipe joint installation device compatible with pipe jacking and half pipe joint shield Download PDFInfo
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- CN112761667A CN112761667A CN202110120293.7A CN202110120293A CN112761667A CN 112761667 A CN112761667 A CN 112761667A CN 202110120293 A CN202110120293 A CN 202110120293A CN 112761667 A CN112761667 A CN 112761667A
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- 238000009434 installation Methods 0.000 title claims abstract description 26
- 230000005641 tunneling Effects 0.000 claims abstract description 19
- 238000000034 method Methods 0.000 claims description 2
- 238000005253 cladding Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 2
- 230000002093 peripheral effect Effects 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/08—Lining with building materials with preformed concrete slabs
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/40—Devices or apparatus specially adapted for handling or placing units of linings or supporting units for tunnels or galleries
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
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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
- F16L1/00—Laying or reclaiming pipes; Repairing or joining pipes on or under water
- F16L1/024—Laying or reclaiming pipes on land, e.g. above the ground
- F16L1/028—Laying or reclaiming pipes on land, e.g. above the ground in the ground
- F16L1/036—Laying or reclaiming pipes on land, e.g. above the ground in the ground the pipes being composed of sections of short length
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention discloses a multi-section pipe joint installation device compatible with a pipe jacking and half pipe joint shield, which is used for solving the problems that the transportation speed is improved and the transportation efficiency and the installation efficiency of pipe joints are too low in the conventional pipe joint transportation mode and comprises a tunneling part and a splicing part; the tunneling part comprises a tunneling part shell, a main pushing hydraulic cylinder is arranged in the middle of the tunneling part shell, a plurality of fixed hydraulic cylinders are uniformly arranged at the peripheral edges of the tunneling part shell, and one end of the main pushing hydraulic cylinder sequentially penetrates through the front control console and the rear control console and is fixed in the rear control console; the working end of the front console is provided with a front hydraulic cylinder, and the front hydraulic cylinder is connected with the corner pipe joint through a first fixing plate; the working end of the rear console is provided with a rear hydraulic cylinder, and the rear hydraulic cylinder is connected with the side pipe joint through a second fixing plate; according to the invention, the effect is improved in three directions of the transportation mode and the installation mode through the combination of the front hydraulic cylinder, the rear hydraulic cylinder and the like and the annular transportation of the pipe joint in the tunnel, so that the installation efficiency of the pipe joint is greatly improved.
Description
Technical Field
The invention relates to the technical field of tunnels, in particular to a multi-section pipe joint installation device compatible with a pipe jacking-half pipe joint shield.
Background
Both the top pipe and the half-pipe shield in the prior art are construction methods for laying underground pipelines, and each of them has advantages and disadvantages. The jacking pipe is a mature construction technology, has wide application, has two types of circular sections and rectangular sections, has the advantages of low cost and high construction speed, and has the defects of short jacking distance and complicated technology when in curve jacking. The half-pipe shield is a brand new technology, can be suitable for pipelines and tunnels with various section shapes, has the advantages of being suitable for construction with long distance and small curvature radius, and has the defect of high construction cost and high damage.
In the application of the existing pipe jacking-half pipe joint shield compatible pipe jacking machine, the pipe joints are transported to an installation position from the lower side of the pipeline, and the transportation is pushed by a hydraulic cylinder in the patent CN 107387872A. In this case, there are problems in that the transportation speed is slow, the installation efficiency is low, and the overall rhythm is slow. The present invention has been made in view of the above circumstances, and an object thereof is to increase the overall operating speed.
Disclosure of Invention
The invention aims to solve the problems that the existing pipe joint transportation mode improves the transportation speed and the pipe joint transportation efficiency and the installation efficiency are too low, and provides a multi-section pipe joint installation device compatible with a pipe jacking-half pipe joint shield.
The purpose of the invention can be realized by the following technical scheme: a multi-section pipe joint installation device compatible with a pipe jacking-half pipe joint shield comprises a tunneling part and a splicing part;
the tunneling part comprises a tunneling part shell, a main pushing hydraulic cylinder is arranged in the middle of the tunneling part shell, a plurality of fixed hydraulic cylinders are uniformly arranged at the edges of the periphery of the tunneling part shell, and one end of the main pushing hydraulic cylinder sequentially penetrates through the front control console and the rear control console and is fixed in the rear control console;
the working end of the front console is provided with a front hydraulic cylinder, and the front hydraulic cylinder is connected with the corner pipe joint through a first fixing plate;
a rear hydraulic cylinder is arranged at the acting end of the rear console and is connected with the side pipe joint through a second fixing plate;
the splicing part comprises a splicing part shell, a conveying device is arranged inside the splicing part shell, and the top of the conveying device is provided with corner pipe joints and side pipe joints in a staggered mode.
Preferably, the conveying device comprises a guide rail, two idler wheels are symmetrically arranged on two sides of the interior of the guide rail, an idler wheel middle shaft is arranged between the two idler wheels, and a connecting block is arranged in the middle of the idler wheel middle shaft.
Preferably, the front console is fixedly connected with the main pushing hydraulic cylinder through a front control hydraulic cylinder.
Preferably, the corner pipe joint and the side pipe joint are fixed through clamping
Preferably, the guide rail is of a clad type.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the effect is improved in three directions of a transportation mode and an installation mode through the combination of a plurality of hydraulic cylinders such as the front hydraulic cylinder and the rear hydraulic cylinder and the like and the annular transportation of the pipe joint in the tunnel, so that the installation efficiency of the pipe joint is greatly improved;
2. the invention has stronger pipe joint laying process compatibility, and can carry out the following three mounting modes on the pipe joint according to the engineering requirement:
(1) mounting from bottom to top, namely mounting a tunnel bottom side pipe joint, symmetrically and simultaneously mounting a side wall corner pipe joint and a side pipe joint, and finally mounting a top side pipe joint and simultaneously feeding the next circularly mounted bottom side pipe joint;
(2) cross mounting: firstly, mounting corner pipe sections, and then mounting side pipe sections;
(3) pre-assembling and mounting pipe joints: the corner pipe sections and the side pipe sections are taken out from the conveying device in sequence, and are assembled into a whole in an un-paved area and then are integrally paved.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
Fig. 1 is a front view of the present invention.
FIG. 2 is a schematic cross-sectional view taken along line A-A of FIG. 1 in accordance with the present invention;
FIG. 3 is a schematic view of the cross section K-K of FIG. 1 according to the present invention;
FIG. 4 is a schematic view of the invention taken at section J-J of FIG. 1;
FIG. 5 is another schematic view of the invention taken at section J-J of FIG. 1;
FIG. 6 is another schematic view of the invention taken at section J-J of FIG. 1;
FIG. 7 is another schematic view of the section K-K of FIG. 1 according to the present invention;
FIG. 8 is another schematic view of the invention taken at section J-J of FIG. 1;
fig. 9 is an assembly profile of a first fixation plate and a second fixation plate of the present invention.
Reference numerals:
100-a tunneling part; 200-splicing part; 110-a ripping section casing; 120-fixed hydraulic cylinder; 130-main propulsion liquid cylinder; 210-splice enclosure; 220-a transport device; 221-connecting block; 222-a roller; 223-roller middle shaft; 224-a guide rail; 230-corner tube sections; 240-side tube section; 260-back console; 270-rear hydraulic cylinder; 280-front console; 290-front hydraulic cylinder; 281-front control cylinder.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
as shown in fig. 1, a pipe-jacking-half-pipe-joint shield compatible multi-segment pipe joint installation device comprises a tunneling part 100 and a splicing part 200, wherein the tunneling part 100 is arranged at the forefront (namely, the leftmost side in fig. 1) of the invention, all parts for installing pipe joints are arranged in the tunneling part 100, the splicing part 200 is a constructed tunnel, and all parts for transporting pipe joints are arranged in the tunnel;
as shown in fig. 2 and 5, the splice 200 includes a splice housing 210, twelve transportation devices 220 are disposed inside the splice housing 210, and corner pipe sections 230 and side pipe sections 240 are staggered on the top of the transportation devices 220;
the transportation device 220 comprises a connecting block 221, rollers 222, roller middle shafts 223 and a guide rail 224, wherein the guide rail 224 is of a coating type and can ensure that the rollers 222 cannot be separated when rolling in the guide rail, the roller middle shafts 223 are arranged between the two rollers 222 and support the rollers 222 to move, and the other side of the connecting block 221, which is connected with the guide rail 224 in an embedded manner, on the upper side of the guide rail 224 is connected with a transportation pipe joint and can move on the guide rail 224;
the corner pipe sections 230 are transported by two transportation devices 220 at the corners, and the side pipe sections 240 are transported by the transportation device 220 at the middle position on the side;
as shown in fig. 3, the heading part 100 includes a heading part housing 110, a main propulsion hydraulic cylinder 130 is provided in the middle of the heading part housing 110, fixed hydraulic cylinders 120 are provided around the heading part housing 110, the fixed hydraulic cylinders 120 are used for tightly supporting the installed corner pipe joints 230 or side pipe joints 240, and can also assist the heading part 100 to advance;
as shown in fig. 4, the main propulsion hydraulic cylinder 130 is fixedly connected with a front console 280 and a rear console 260 in sequence from left to right; the front control console 280 is provided with a front hydraulic cylinder 290 at the working end, and the rear control console 260 is provided with a rear hydraulic cylinder 270 at the working end, wherein the front hydraulic cylinder 290 is fixedly matched with the corner pipe joint 230 through a first fixing plate, and the rear hydraulic cylinder 270 is fixedly matched with the side pipe joint 240 through a second fixing plate;
as shown in fig. 7, the front console 280 is fixedly connected to the main boost cylinder 130 through a front control cylinder 281; front control cylinder 281 is used to flank front cylinder 290, facilitating corner pipe section 230 installation;
the working principle of the first embodiment is as follows:
when the corner pipe sections 230 and/or the side pipe sections 240 are laid in the tunnel, referring to fig. 6, the corner pipe sections 230 are firstly transported on the transporting device 220, and the side pipe sections 240 follow the transporting device; then the front control console 280 and the rear control console 260 respectively control the front hydraulic cylinder 290 and the rear hydraulic cylinder 270 to contract (at this time, the fixed hydraulic cylinder 120 is in a state of tightly pushing the pipe joints); the main push hydraulic cylinder 130 is extended to move the front hydraulic cylinder 290 and the rear hydraulic cylinder 270 into the splice 200; the front hydraulic cylinder 290 grabs the corner pipe joint 230 through the first fixing plate, and the rear hydraulic cylinder 270 grabs the side pipe joint 240 through the second fixing plate; the main push hydraulic cylinder 130 contracts again, moving the corner pipe joint 230 out of the splice 200; secondly, the front hydraulic cylinder 290 extends and the corresponding fixed hydraulic cylinder 120 contracts and gives way at the same time, and when the corner pipe joint 230 is installed at a preset position, the corresponding fixed hydraulic cylinder 120 extends and is tightly pressed (as shown in fig. 8); the front hydraulic cylinder 290 contracts and the main pushing hydraulic cylinder 130 moves the side pipe section 240 out of the splicing part 200, and when the side pipe section 240 reaches the preset splicing position, the main pushing hydraulic cylinder 130 extends to insert the side pipe section 240 and the corner pipe section 230; the cross installation is realized by firstly installing the corner pipe joint 230 and then installing the side pipe joint 240.
Example two:
a multi-section pipe joint installation device compatible with a pipe jacking-half pipe joint shield is based on another installation mode of the pipe joint of the invention of the first embodiment as follows:
referring to fig. 6, corner tube sections 230 are first transported on a transport device 220, followed by side tube sections 240; then the front control console 280 and the rear control console 260 respectively control the front hydraulic cylinder 290 and the rear hydraulic cylinder 270 to contract (at this time, the fixed hydraulic cylinder 120 is in a state of tightly pushing the pipe joints); the main push hydraulic cylinder 130 is extended to move the front hydraulic cylinder 290 and the rear hydraulic cylinder 270 into the splice 200; the rear hydraulic cylinder 270 firstly grabs the bottommost side pipe joint 240 through the second fixing plate; the main push hydraulic cylinder 130 contracts again, moving the corner pipe joint 230 out of the splice 200; secondly, the bottom rear hydraulic cylinder 270 extends, and meanwhile, the corresponding fixed hydraulic cylinder 120 contracts and gives way, and when the bottommost side pipe joint 240 is installed at a preset position, the corresponding fixed hydraulic cylinder 120 extends and is tightly pressed; secondly, the main pushing hydraulic cylinder 130 catches the bottom corner pipe joint 230 to complete splicing under the action of the lower front hydraulic cylinder 290; the main push hydraulic cylinder 130 first grabs the wing edge pipe section 240 under the action of the wing rear hydraulic cylinder 270; according to the splicing principle, the invention realizes the installation of the corner pipe joints 230 and the side pipe joints 240 from bottom to top, namely, the bottom side pipe joints 240 of the tunnel are installed firstly, then the side wall corner pipe joints 230 and the side pipe joints 240 are installed symmetrically and simultaneously, and finally the top side pipe joints 240 are installed and simultaneously the bottom side pipe joints 240 which are installed in the next cycle are loaded.
Example three:
a multi-section pipe joint installation device compatible with a pipe jacking-half pipe joint shield is characterized in that when the horizontal width of a first fixing plate is larger than that of a second fixing plate; as shown in fig. 9, the first fixing plate and the second fixing plate can be arranged in a staggered manner and form a common supporting surface, and the present invention can realize the following splicing manner based on the feature and the first embodiment:
when the invention is used and the corner pipe sections 230 and/or the side pipe sections 240 in the tunnel are laid, referring to fig. 6, firstly the corner pipe sections 230 are transported on the transporting device 220, and the side pipe sections 240 are followed; then the front control console 280 and the rear control console 260 respectively control the front hydraulic cylinder 290 and the rear hydraulic cylinder 270 to contract (at this time, the fixed hydraulic cylinder 120 is in a state of tightly pushing the pipe joints); the main push hydraulic cylinder 130 is extended to move the front hydraulic cylinder 290 and the rear hydraulic cylinder 270 into the splice 200; the front hydraulic cylinder 290 grabs the corner pipe joint 230 through the first fixing plate, and the rear hydraulic cylinder 270 grabs the side pipe joint 240 through the second fixing plate; the main push hydraulic cylinder 130 contracts again, moving the corner pipe joint 230 and the side pipe joint 240 out of the splice 200 at the same time; at the same time, the hydraulic cylinder 120 is fixed to be retracted and abducted, and then the rear hydraulic cylinder 270 is extended to jack up the side pipe section 240; the fixing plate unlocks the corner pipe joint 230, and the fixing hydraulic cylinder 120 close to the corner pipe joint 230 extends to push the corner pipe joint 230, so that the corner pipe joint 230 slides on the first fixing plate; the corner pipe sections 230 and the side pipe sections 240 are riveted and spliced; finally, the fixed hydraulic cylinder 120 tightly props against the corner pipe joint 230 and the side pipe joint 240 to form the pipe joint, so that the pipe joint is preassembled: the corner pipe sections 230 and the side pipe sections 240 are taken out from the transportation device 220 in sequence, and the corner pipe sections and the side pipe sections are assembled into a whole in an unpaved area and then are paved integrally.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (5)
1. A multi-section pipe joint installation device compatible with a pipe jacking and half pipe joint shield comprises a tunneling part (100) and a splicing part (200); the method is characterized in that:
the tunneling part (100) comprises a tunneling part shell (110), a main pushing hydraulic cylinder (130) is arranged in the middle of the tunneling part shell (110), a plurality of fixed hydraulic cylinders (120) are uniformly arranged at the edges of the periphery of the tunneling part shell (110), and one end of the main pushing hydraulic cylinder (130) sequentially penetrates through a front control console (280) and a rear control console (260) and is fixed in the rear control console (260);
a front hydraulic cylinder (290) is arranged at the working end of the front console (280), and the front hydraulic cylinder (290) is connected with the corner pipe joint (230) through a first fixing plate;
a rear hydraulic cylinder (270) is arranged at the acting end of the rear console (260), and the rear hydraulic cylinder (270) is connected with the side pipe joint (240) through a second fixing plate;
the splicing part (200) comprises a splicing part shell (210), a conveying device (220) is arranged inside the splicing part shell (210), and corner pipe sections (230) and side pipe sections (240) are arranged on the top of the conveying device (220) in a staggered mode.
2. The pipe jacking-half pipe joint shield compatible multi-section pipe joint installation device according to claim 1, wherein the transportation device (220) comprises a guide rail (224), two rollers (222) are symmetrically arranged on two sides of the interior of the guide rail (224), a roller middle shaft (223) is arranged between the two rollers (222), and a connecting block (221) is arranged in the middle of the roller middle shaft (223).
3. The push pipe-half pipe joint shield compatible multi-segment installation device according to claim 1, wherein the front console (280) is fixedly connected with the main thrust hydraulic cylinder (130) through a front control hydraulic cylinder (281).
4. The jacking-half-pipe-section shield compatible multi-section pipe section installation device according to claim 1, wherein the corner pipe section (230) and the side pipe section (240) are fixed by clamping.
5. The push pipe-half pipe joint shield compatible multi-segment pipe joint installation device according to claim 2, wherein the guide rail (224) is cladding type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110120293.7A CN112761667B (en) | 2021-01-28 | 2021-01-28 | Multi-section pipe joint installation device compatible with pipe jacking and half pipe joint shield |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110120293.7A CN112761667B (en) | 2021-01-28 | 2021-01-28 | Multi-section pipe joint installation device compatible with pipe jacking and half pipe joint shield |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112761667A true CN112761667A (en) | 2021-05-07 |
| CN112761667B CN112761667B (en) | 2022-12-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110120293.7A Active CN112761667B (en) | 2021-01-28 | 2021-01-28 | Multi-section pipe joint installation device compatible with pipe jacking and half pipe joint shield |
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| Country | Link |
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| CN (1) | CN112761667B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000248878A (en) * | 1999-02-25 | 2000-09-12 | Taisei Corp | Construction of tunnel and device and method for laying pipe |
| CN103993887A (en) * | 2014-05-14 | 2014-08-20 | 江苏广泓重工设备有限公司 | Tilting two-half-rectangular-pipe joint shield for rectangular channel construction and assembling method thereof |
| CN104265302A (en) * | 2014-08-06 | 2015-01-07 | 上海隧道工程有限公司 | Pipe jacking pipe joint retaining device |
| JP2015129377A (en) * | 2014-01-07 | 2015-07-16 | 三菱重工メカトロシステムズ株式会社 | Simultaneous construction method for shield excavation segment assembly |
| CN206111190U (en) * | 2016-10-30 | 2017-04-19 | 成都建工路桥建设有限公司 | Rectangular shield digs tube coupling connected system in top |
| CN107387872A (en) * | 2017-06-08 | 2017-11-24 | 山东万广建设工程有限公司 | The tube coupling shield compatible apparatus of push pipe half and its coupling method |
| CN108661666A (en) * | 2018-05-02 | 2018-10-16 | 中亿丰隧道工程股份有限公司 | A kind of assembling method and its special equipment of half tube coupling shield tube coupling of rectangle |
| CN208308286U (en) * | 2018-06-20 | 2019-01-01 | 中铁工程装备集团有限公司 | Tube coupling assembly guiding device and Lift-on/Lift-off System |
| CN111287217A (en) * | 2020-04-13 | 2020-06-16 | 中国建筑一局(集团)有限公司 | Construction system and construction method for pipe gallery with integrally prefabricated pipe joints and inner partition plates |
-
2021
- 2021-01-28 CN CN202110120293.7A patent/CN112761667B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000248878A (en) * | 1999-02-25 | 2000-09-12 | Taisei Corp | Construction of tunnel and device and method for laying pipe |
| JP2015129377A (en) * | 2014-01-07 | 2015-07-16 | 三菱重工メカトロシステムズ株式会社 | Simultaneous construction method for shield excavation segment assembly |
| CN103993887A (en) * | 2014-05-14 | 2014-08-20 | 江苏广泓重工设备有限公司 | Tilting two-half-rectangular-pipe joint shield for rectangular channel construction and assembling method thereof |
| CN104265302A (en) * | 2014-08-06 | 2015-01-07 | 上海隧道工程有限公司 | Pipe jacking pipe joint retaining device |
| CN206111190U (en) * | 2016-10-30 | 2017-04-19 | 成都建工路桥建设有限公司 | Rectangular shield digs tube coupling connected system in top |
| CN107387872A (en) * | 2017-06-08 | 2017-11-24 | 山东万广建设工程有限公司 | The tube coupling shield compatible apparatus of push pipe half and its coupling method |
| CN108661666A (en) * | 2018-05-02 | 2018-10-16 | 中亿丰隧道工程股份有限公司 | A kind of assembling method and its special equipment of half tube coupling shield tube coupling of rectangle |
| CN208308286U (en) * | 2018-06-20 | 2019-01-01 | 中铁工程装备集团有限公司 | Tube coupling assembly guiding device and Lift-on/Lift-off System |
| CN111287217A (en) * | 2020-04-13 | 2020-06-16 | 中国建筑一局(集团)有限公司 | Construction system and construction method for pipe gallery with integrally prefabricated pipe joints and inner partition plates |
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| Publication number | Publication date |
|---|---|
| CN112761667B (en) | 2022-12-27 |
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