CN110761807A - Assembling system and assembling method for prefabricated assembled jacking pipe - Google Patents
Assembling system and assembling method for prefabricated assembled jacking pipe Download PDFInfo
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- CN110761807A CN110761807A CN201911265066.2A CN201911265066A CN110761807A CN 110761807 A CN110761807 A CN 110761807A CN 201911265066 A CN201911265066 A CN 201911265066A CN 110761807 A CN110761807 A CN 110761807A
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- 238000000034 method Methods 0.000 title claims abstract description 22
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 81
- 238000010276 construction Methods 0.000 claims abstract description 52
- 229910052742 iron Inorganic materials 0.000 claims abstract description 37
- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- 235000000396 iron Nutrition 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000011065 in-situ storage Methods 0.000 claims description 2
- 238000009415 formwork Methods 0.000 claims 2
- 238000009434 installation Methods 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
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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
- E21D11/14—Lining predominantly with metal
- E21D11/15—Plate linings; Laggings, i.e. linings designed for holding back formation material or for transmitting the load to main supporting members
- E21D11/155—Laggings made of strips, slats, slabs or sheet piles
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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
- E21D11/38—Waterproofing; Heat insulating; Soundproofing; Electric insulating
-
- 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
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
A prefabricated assembled jacking pipe assembling system is positioned in a jacking pipe initial area and comprises a construction vertical shaft and a jacking pipe jacking area connected with the construction vertical shaft; the construction shaft comprises a jack, a reaction wall area, a top iron area and a segment assembling area; each pipe section of the jacking pipe is formed by assembling a plurality of pipe pieces, and is hoisted in place and assembled in the construction shaft through a ground hoisting system; the jack and the reaction wall area comprise a reaction wall and a jacking jack for jacking the jacking pipe; the top iron area comprises top iron and an auxiliary assembly vehicle positioned in the top iron; each auxiliary assembling vehicle is provided with a plurality of auxiliary fixers and jacks at the top of the auxiliary assembling vehicle and is used for assisting in assembling the duct pieces; after the pipe pieces are assembled completely, the pipe pieces are fixedly connected in an appointed mode, corresponding waterproof measures are arranged, after an integral complete pipe joint is formed, the pipe joint is jacked into the tunnel through a jacking jack and a counterforce wall, and the whole process of jacking pipe assembly and jacking is completed.
Description
Technical Field
The invention relates to the related field of jacking pipes, in particular to an assembling system and an assembling method of a prefabricated assembled jacking pipe.
Background
With the advance of urbanization construction, the ground buildings of various cities are increased, and particularly, the ground buildings in the core areas of most of the cities are more and more dense. Such dense ground buildings also bring more difficulties to the construction of underground structures, and when there is not enough available space, how to construct the underground structures required by cities without affecting upper buildings becomes the focus of people's exploration.
The pipe jacking technology is a trenchless or trenchless pipeline burying construction technology as a trenchless construction method, and is generally used for municipal engineering. The excavation method has the advantages that the excavation is not needed or is less, so the influence on city construction during construction is small, the road traffic is not blocked, the vehicles can normally pass, and the damage and the influence on ground infrastructure can be reduced. So most municipal works select the pipe jacking method at present.
However, the integrally prefabricated pipe sections of the jacking pipes are heavy in weight, inconvenient to transport and capable of generating large transportation cost; and in the hoisting process, the pipe joint has heavy weight, so that the requirement on the load capacity of equipment is high, and the integral hoisting is inconvenient. Therefore, the assembled pipe jacking pipe piece becomes a good method for solving the problem, and meanwhile, how to conveniently and quickly assemble the assembled pipe jacking pipe piece underground becomes a new problem to be solved.
The invention provides a splicing system and a splicing method of a prefabricated spliced jacking pipe, which are characterized in that after a segmented pipe piece prefabricated in a factory is transported to a jacking pipe starting area from a construction vertical shaft, the segmented pipe piece is spliced into a complete pipe joint in a working pit on site through a series of mechanical equipment, and a pipeline is jacked into the soil by means of jacking force generated by jacking equipment. The method can reduce human resources and improve the construction and assembly efficiency; and the construction period and the construction cost can be effectively saved, and the installation is convenient.
Disclosure of Invention
In view of this, embodiments of the present invention provide an assembly system and an assembly method for a prefabricated assembly type jacking pipe, which can reduce damage and influence on ground infrastructure during construction for constructing an underground structure by using an underground space; the problem of convenient transportation, manpower resource saving, efficiency improvement, construction period saving and effective construction cost reduction can be solved. In order to achieve the above purpose, the embodiment of the invention adopts the following technical scheme:
the splicing system of the prefabricated spliced push pipes is characterized in that the system is positioned in a push pipe starting area and comprises a construction vertical shaft (1) and a push pipe jacking area connected with the construction vertical shaft; the construction vertical shaft (1) comprises a jack, a reaction wall area, a top iron area and a segment assembling area; each pipe section of the jacking pipe is formed by assembling a plurality of pipe pieces, and is hoisted in place in the construction vertical shaft (1) through a ground hoisting system (11) and assembled; the jack and the reaction wall area comprise a reaction wall (2) and a jacking jack (3) for jacking the jacking pipe; the iron jacking area comprises jacking irons (4) for assisting the jacking of the pipe joints and auxiliary assembling cars (6) positioned in the jacking irons (4); each auxiliary assembling vehicle (6) is provided with a plurality of auxiliary fixing devices (12) and auxiliary assembling vehicle top jacks (13), wherein the auxiliary fixing devices (12) are used for fixing the side wall duct pieces (8), the auxiliary assembling vehicle top jacks (13) are used for bearing and assisting assembling of the duct pieces (9) at the top of the jacking pipe, and hoisting, positioning and assembling of the duct pieces are completed in a duct piece assembling area; after the pipe pieces are assembled completely, the pipe pieces are fixedly connected in an appointed mode, corresponding waterproof measures are arranged, after an integral complete pipe joint is formed, the pipe joint is jacked into the tunnel through a jacking jack (3) and a reaction wall (2), and the whole process of jacking pipe assembly and jacking is completed.
Furthermore, the auxiliary assembling vehicle (6) is of a truss structure, can move in any direction and can move from the iron jacking area to the duct piece assembling area; the auxiliary assembly vehicle is characterized in that the bottom of the auxiliary assembly vehicle is provided with a limiting device, and after the auxiliary assembly vehicle reaches a designated position, the limiting device can ensure that the auxiliary assembly vehicle is fixed to the original position and does not displace in any direction.
Furthermore, the outer side of the top iron (4) comprises a steel template (5) extending into a pipe piece assembling area, and the steel template (5) can assist in positioning the side wall pipe piece (8) when the pipe jacking pipe piece is assembled.
Furthermore, a longitudinal rail (10) used for assisting the vertical jacking of the top iron (4) and the duct piece is arranged at the lower parts of the top iron area and the duct piece assembling area.
Furthermore, construction operation platforms are arranged on the upper portions of the auxiliary assembling vehicles (6), and construction personnel can assemble and connect various duct pieces conveniently.
Further, the process comprises the steps of:
a) a pipe piece (7) at the bottom of the jacking pipe is lifted and lowered down by a construction vertical shaft (1) in a horizontal posture, falls on a longitudinal rail (11) at the bottom of a pipe piece assembling area and is fixed in position;
b) after the pipe piece (7) at the bottom of the jacking pipe is installed in place, the auxiliary assembling vehicle (6) moves from the iron jacking area to the pipe piece assembling area;
c) the side wall duct piece (8) is lifted and lowered down by the construction vertical shaft (1) in a vertical posture, at the moment, the auxiliary assembling vehicle (6) which is positioned in the duct piece assembling area and on the same side as the side wall duct piece (8) transversely moves towards the side wall direction, the auxiliary side wall duct piece (8) moves to a specified position tightly attached to the steel template (5), a limiting device on the auxiliary assembling vehicle (6) is started and ensures that the auxiliary assembling vehicle is fixed in situ, and then an auxiliary fixer (12) on the auxiliary assembling vehicle stretches out to fix the side wall duct piece (8);
d) after the side wall pipe pieces (8) on the two sides are in place, the pipe pieces (9) on the top of the jacking pipe are horizontally lifted and lowered down from the construction vertical shaft (1) through a ground lifting system (11), at the moment, jacks (13) on the tops of the auxiliary assembly vehicles (6) are lifted up and used for receiving the pipe pieces (9) on the top of the jacking pipe, the positions of the pipe pieces (9) on the top of the jacking pipe are adjusted through the jacking of the jacks (13) on the tops of the auxiliary assembly vehicles, and the pipe pieces are placed in place;
e) after all the segments are placed at the designated positions, splicing and fixing the segments according to different connection modes of the segments, and arranging waterproof measures according to requirements;
f) after the segments are completely spliced to form intact pipe joints for sealing and stopping water, the limiting devices on the auxiliary splicing vehicle (6) are retracted, withdrawn from the iron jacking area to the segment splicing area, and then the spliced pipe joints are jacked by using jacking jacks (3) and corresponding pipe jacking equipment of the reaction wall (2);
g) after the jacking of the previous pipe joint is finished, the jacking jack (3), the jacking iron (4) and the pipe piece assembling equipment are retracted to the initial position;
h) and repeating all the steps to assemble and jack the segment of the next pipe section.
Compared with the prior art, the assembling system of the prefabricated assembled jacking pipe has the following advantages:
the splicing system of the prefabricated spliced push pipes is characterized in that the system is positioned in a push pipe starting area and comprises a construction vertical shaft (1) and a push pipe jacking area connected with the construction vertical shaft; the construction vertical shaft (1) comprises a jack, a reaction wall area, a top iron area and a segment assembling area; each pipe section of the jacking pipe is formed by assembling a plurality of pipe pieces, and is hoisted in place in the construction vertical shaft (1) through a ground hoisting system (11) and assembled; the jack and the reaction wall area comprise a reaction wall (2) and a jacking jack (3) for jacking the jacking pipe; the iron jacking area comprises jacking irons (4) for assisting the jacking of the pipe joints and auxiliary assembling cars (6) positioned in the jacking irons (4); each auxiliary assembling vehicle (6) is provided with a plurality of auxiliary fixing devices (12) and auxiliary assembling vehicle top jacks (13), wherein the auxiliary fixing devices (12) are used for fixing the side wall duct pieces (8), the auxiliary assembling vehicle top jacks (13) are used for bearing and assisting assembling of the duct pieces (9) at the top of the jacking pipe, and hoisting, positioning and assembling of the duct pieces are completed in a duct piece assembling area; after the pipe pieces are assembled completely, the pipe pieces are fixedly connected in an appointed mode, corresponding waterproof measures are arranged, after an integral complete pipe joint is formed, the pipe joint is jacked into the tunnel through a jacking jack (3) and a reaction wall (2), and the whole process of jacking pipe assembly and jacking is completed.
Due to the construction of the assembly system of the prefabricated assembly type jacking pipes, the method can reduce the damage and influence on ground infrastructure during the construction period of constructing an underground structure by utilizing an underground space; the problem of convenient transportation, manpower resource saving, efficiency improvement, construction period saving and effective construction cost reduction can be solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a side view of a jacking direction of a jacking pipe (a pipe piece at the bottom of the jacking pipe is being hoisted, and auxiliary assembling cars are both located in a jacking iron and equipment assembling area);
FIG. 2 is a side view of the jacking direction of the jacking pipe (the side wall pipe piece is being hoisted, and the auxiliary assembling vehicle is located in the pipe piece assembling area);
FIG. 3 is a side view of the jacking direction of the jacking pipe (the pipe piece at the top of the jacking pipe is being hoisted, and the auxiliary assembling vehicles are both positioned in the pipe piece assembling area);
FIG. 4 is a top view of the jacking direction of the jacking pipe (after the installation of the side wall duct pieces, the auxiliary assembling vehicles are all located in the duct piece assembling area);
FIG. 5 is a front view of the jacking pipe in the jacking direction;
FIG. 6 is a schematic diagram of a tube sheet hoisting process at the bottom of a jacking pipe;
FIG. 7 is a schematic illustration of a sidewall segment hoisting process;
FIG. 8 is a schematic view of a process of hoisting a segment at the top of a jacking pipe;
description of reference numerals:
1. constructing a vertical shaft; 2. a counterforce wall; 3. jacking a jack; 4. carrying out iron jacking; 5. a steel form; 6. assembling vehicles in an auxiliary manner; 7. a duct piece at the bottom of the jacking pipe; 8. a sidewall segment; 9. a pipe piece at the top of the pipe jacking; 10. a longitudinal rail; 11. a ground hoisting system; 12. an auxiliary holder; 13. the jack at the top of the auxiliary assembly vehicle.
Detailed Description
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
It should be understood that the described embodiments are only some embodiments of the invention, and not all 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.
Referring to fig. 1-8, the invention provides a splicing system of a prefabricated spliced jacking pipe, which is positioned in a jacking pipe initial area and comprises a construction vertical shaft (1) and a jacking pipe jacking area connected with the construction vertical shaft; the construction vertical shaft (1) comprises a jack, a reaction wall area, a top iron area and a segment assembling area; each pipe section of the jacking pipe is formed by assembling a plurality of pipe pieces, and is hoisted in place in the construction vertical shaft (1) through a ground hoisting system (11) and assembled; the jack and the reaction wall area comprise a reaction wall (2) and a jacking jack (3) for jacking the jacking pipe; the iron jacking area comprises jacking irons (4) for assisting the jacking of the pipe joints and auxiliary assembling cars (6) positioned in the jacking irons (4); each auxiliary assembling vehicle (6) is provided with a plurality of auxiliary fixing devices (12) and auxiliary assembling vehicle top jacks (13), wherein the auxiliary fixing devices (12) are used for fixing the side wall duct pieces (8), the auxiliary assembling vehicle top jacks (13) are used for bearing and assisting assembling of the duct pieces (9) at the top of the jacking pipe, and hoisting, positioning and assembling of the duct pieces are completed in a duct piece assembling area; after the pipe pieces are assembled completely, the pipe pieces are fixedly connected in an appointed mode, corresponding waterproof measures are arranged, after an integral complete pipe joint is formed, the pipe joint is jacked into the tunnel through a jacking jack (3) and a reaction wall (2), and the whole process of jacking pipe assembly and jacking is completed.
Furthermore, the auxiliary assembling vehicle (6) is of a truss structure, can move in any direction and can move from the iron jacking area to the duct piece assembling area; the auxiliary assembly vehicle is characterized in that the bottom of the auxiliary assembly vehicle is provided with a limiting device, and after the auxiliary assembly vehicle reaches a designated position, the limiting device can ensure that the auxiliary assembly vehicle is fixed to the original position and does not displace in any direction.
Furthermore, the outer side of the top iron (4) comprises a steel template (5) extending into a pipe piece assembling area, and the steel template (5) can assist in positioning the side wall pipe piece (8) when the pipe jacking pipe piece is assembled.
Furthermore, a longitudinal rail (10) used for assisting the vertical jacking of the top iron (4) and the duct piece is arranged at the lower parts of the top iron area and the duct piece assembling area.
Furthermore, construction operation platforms are arranged on the upper portions of the auxiliary assembling vehicles (6), and construction personnel can assemble and connect various duct pieces conveniently.
Further, the process comprises the steps of:
a) a pipe piece (7) at the bottom of the jacking pipe is lifted and lowered down by a construction vertical shaft (1) in a horizontal posture, falls on a longitudinal rail (11) at the bottom of a pipe piece assembling area and is fixed in position;
b) after the pipe piece (7) at the bottom of the jacking pipe is installed in place, the auxiliary assembling vehicle (6) moves from the iron jacking area to the pipe piece assembling area;
c) the side wall duct piece (8) is lifted and lowered down by a construction vertical shaft (1) in a vertical posture, at the moment, an auxiliary assembling vehicle (6) which is positioned in a duct piece assembling area and on the same side as the side wall duct piece (8) moves transversely to the side wall direction, the auxiliary side wall duct piece (8) moves to a specified position tightly attached to a steel template (5), a limiting device on the auxiliary assembling vehicle (6) is started and is ensured to be fixed in the original position, in order to facilitate installation, the steel template (5) outside a top iron (4) is utilized to limit the side wall duct piece (8) of the top pipe, and then an auxiliary fixer (12) on the auxiliary assembling vehicle stretches out to fix the side wall duct piece (8);
d) after the side wall pipe pieces (8) on the two sides are in place, the pipe pieces (9) on the top of the jacking pipe are horizontally lifted and lowered down from the construction vertical shaft (1) through a ground lifting system (11), at the moment, jacks (13) on the tops of the auxiliary assembly vehicles (6) are lifted up and used for receiving the pipe pieces (9) on the top of the jacking pipe, the positions of the pipe pieces (9) on the top of the jacking pipe are adjusted through the jacking of the jacks (13) on the tops of the auxiliary assembly vehicles, and the pipe pieces are placed in place;
e) after all the segments are placed at the designated positions, splicing and fixing the segments according to different connection modes of the segments, and arranging waterproof measures according to requirements; if the connection is in a plug-in mode, after each segment is placed at an appointed position and the position is confirmed to be correct and not to have deviation, plug-in connection is carried out; if the connection is in a splicing bolt mode, after each segment is placed at an appointed position and the position is confirmed to be correct and not deviated, bolt connection and fixation are carried out;
f) after the segments are completely spliced to form intact pipe joints for sealing and stopping water, the limiting devices on the auxiliary splicing vehicle (6) are retracted, withdrawn from the iron jacking area to the segment splicing area, and then the spliced pipe joints are jacked by using jacking jacks (3) and corresponding pipe jacking equipment of the reaction wall (2);
g) after the jacking of the previous pipe joint is finished, the jacking jack (3), the jacking iron (4) and the pipe piece assembling equipment are retracted to the initial position;
h) and repeating all the steps to assemble and jack the segment of the next pipe section.
Claims (6)
1. The splicing system of the prefabricated spliced push pipes is characterized in that the system is positioned in a push pipe starting area and comprises a construction vertical shaft and a push pipe jacking area connected with the construction vertical shaft; the construction shaft comprises a jack, a reaction wall area, a top iron area and a segment assembling area; each pipe section of the jacking pipe is formed by assembling a plurality of pipe pieces, and is hoisted in place and assembled in the construction shaft through a ground hoisting system; the jack and the reaction wall area comprise a reaction wall and a jacking jack for jacking the jacking pipe; the top iron area comprises top iron for assisting the jacking of the pipe joints and an auxiliary assembly vehicle positioned in the top iron; each auxiliary assembling vehicle is provided with a plurality of auxiliary fixers and auxiliary assembling vehicle top jacks, wherein the auxiliary fixers are used for fixing the side wall duct pieces, the auxiliary assembling vehicle top jacks are used for bearing and assisting assembling of the duct pieces at the top of the jacking pipe, and hoisting, positioning and assembling of the duct pieces are completed in the duct piece assembling area; after the pipe pieces are assembled completely, the pipe pieces are fixedly connected in an appointed mode, corresponding waterproof measures are arranged, after an integral complete pipe joint is formed, the pipe joint is jacked into the tunnel through a jacking jack and a counterforce wall, and the whole process of jacking pipe assembly and jacking is completed.
2. The splicing system of the prefabricated push pipes according to claim 1, wherein the auxiliary splicing vehicle is of a truss structure, can move in any direction and can move from a top iron area to a pipe piece splicing area; the auxiliary assembly vehicle is characterized in that the bottom of the auxiliary assembly vehicle is provided with a limiting device, and after the auxiliary assembly vehicle reaches a designated position, the limiting device can ensure that the auxiliary assembly vehicle is fixed to the original position and does not displace in any direction.
3. The assembling system of the prefabricated assembled jacking pipe, according to claim 1, wherein the outer side of the jacking iron comprises a steel formwork extending into the pipe piece assembling area, and the steel formwork can assist in positioning the side wall pipe pieces during assembling of the jacking pipe pieces.
4. The assembling system for the prefabricated assembled jacking pipes as claimed in claim 1, wherein longitudinal rails for assisting the longitudinal jacking of the jacking irons and the pipe pieces are arranged at the lower parts of the jacking iron area and the pipe piece assembling area.
5. The assembling system for the prefabricated assembled jacking pipe as claimed in claim 1, wherein a construction operation platform is arranged on the upper portion of the auxiliary assembling vehicle, so that construction personnel can assemble and connect various pipe pieces on the auxiliary assembling vehicle conveniently.
6. The assembling method of the prefabricated assembled jacking pipe is characterized by comprising the following steps of:
1) lifting and lowering the pipe piece at the bottom of the pipe jacking pipe by the construction vertical shaft in a horizontal posture, enabling the pipe piece to fall on a longitudinal rail at the bottom of the pipe piece assembling area, and fixing the position of the pipe piece;
2) after the pipe piece at the bottom of the jacking pipe is installed in place, the auxiliary assembling vehicle moves from the iron jacking area to the pipe piece assembling area;
3) the side wall duct piece is lifted and lowered down by a construction vertical shaft in a vertical posture, the auxiliary assembling vehicle positioned in the duct piece assembling area and on the same side of the side wall duct piece transversely moves towards the side wall direction, the auxiliary side wall duct piece moves to a specified position close to a steel template, a limiting device on the auxiliary assembling vehicle is started and ensures that the auxiliary assembling vehicle is fixed in situ, and then an auxiliary fixer on the auxiliary assembling vehicle extends out to fix the side wall duct piece;
4) after the side wall pipe pieces on the two sides are in place, the pipe pieces on the top of the jacking pipe are horizontally lifted and lowered down by the construction vertical shaft through a ground lifting system, at the moment, jacks on the top of the auxiliary assembling vehicle on the auxiliary assembling vehicle are lifted and connected to take the pipe pieces on the top of the jacking pipe, and the position of the pipe pieces on the top of the jacking pipe is adjusted through jacking of the jacks on the top of the auxiliary assembling vehicle to place the pipe pieces in place;
5) after all the segments are placed at the designated positions, splicing and fixing the segments according to different connection modes of the segments, and arranging waterproof measures according to requirements;
6) after the segments are completely spliced to form intact pipe joints for sealing and stopping water, the auxiliary splicing vehicle limiting device is withdrawn, withdrawn from the iron jacking area to the segment splicing area, and then jacked by using a jacking jack and corresponding pipe jacking equipment of a reaction wall;
7) after the jacking of the previous pipe joint is finished, the jacking jack, the jacking iron and the pipe piece assembling equipment are retracted to the initial position;
8) and repeating all the steps to assemble and jack the segment of the next pipe section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911265066.2A CN110761807A (en) | 2019-12-11 | 2019-12-11 | Assembling system and assembling method for prefabricated assembled jacking pipe |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911265066.2A CN110761807A (en) | 2019-12-11 | 2019-12-11 | Assembling system and assembling method for prefabricated assembled jacking pipe |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111648773A (en) * | 2020-05-22 | 2020-09-11 | 中亿丰建设集团股份有限公司 | Construction method of connection channel communicated with existing underground structure of central urban area |
| CN114961174A (en) * | 2022-07-11 | 2022-08-30 | 中建安装集团有限公司 | Rear mounting process and auxiliary positioning device for vertical shaft smoke exhaust pipe |
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