CN110805446A - Construction method of sectional combined pipe-jacking tunneling machine - Google Patents
Construction method of sectional combined pipe-jacking tunneling machine Download PDFInfo
- Publication number
- CN110805446A CN110805446A CN201910930448.6A CN201910930448A CN110805446A CN 110805446 A CN110805446 A CN 110805446A CN 201910930448 A CN201910930448 A CN 201910930448A CN 110805446 A CN110805446 A CN 110805446A
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- Prior art keywords
- shell
- jacking
- pipe
- pipeline
- tunneling machine
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- 230000005641 tunneling Effects 0.000 title claims abstract description 35
- 238000010276 construction Methods 0.000 title claims abstract description 22
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 32
- 239000002689 soil Substances 0.000 claims abstract description 28
- 229910052742 iron Inorganic materials 0.000 claims abstract description 16
- 238000007789 sealing Methods 0.000 claims abstract description 15
- 238000009434 installation Methods 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 abstract description 7
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 235000000396 iron Nutrition 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- E21D9/08—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention relates to the technical field of pipe-jacking tunneling machines, in particular to a construction method of a sectional combined pipe-jacking tunneling machine.A jacking mechanism pushes a first shell and a second shell into a soil body from a sealing door through jacking iron; the second shell and the third shell are connected into a whole in a detachable fixed connection mode, and the jacking mechanism pushes the pipeline and the pipe-jacking tunneling machine to move forwards in the soil body together through the jacking iron; after the pipeline is jacked into the soil body, the jacking mechanism retracts, and a next section of pipeline hung from the outside of the working well is placed in the vacant space and connected with the previous section of pipeline; the first shell of the pipe-jacking tunneling machine goes out of the hole and enters another working well, and the first shell is hoisted out; and (4) continuing jacking by the jacking mechanism, after the second shell is out of the hole, hoisting the second shell out, continuing jacking until the third shell is hoisted out, and finishing construction. The sectional type installation method of the top pipe heading machine can avoid collision to key parts of the top pipe heading machine and damage to the hinged sealing system in the installation and disassembly processes.
Description
Technical Field
The invention relates to the technical field of pipe-jacking tunneling machines, in particular to a construction method of a sectional combined pipe-jacking tunneling machine.
Background
In the pipe-jacking engineering construction, the installation and the disassembly of a pipe-jacking tunneling machine are important work contents. In the conventional pipe-jacking tunneling machine, the pipe-jacking tunneling machine is generally divided into a front machine head and a rear machine head in the starting and receiving work. The front machine head is provided with a cutter head and a power system, and the dividing surfaces of the front machine head and the rear machine head are arranged at the hinged connection position of an oil cylinder of the deviation correcting device. When the heading machine starts, a front machine head with a cutter head and a power device must be hung in a working well, and the size of the front machine head determines the minimum plane size of the working well under the condition that other supporting facilities including main top equipment and the like are not changed. In addition, the dividing surface is arranged at the hinged position of the deviation-correcting oil cylinder, in a disassembly state, one end of the oil cylinder is not supported and is in an unstable suspension state, and the hinged position is also provided with a hinged sealing system of a front machine head and a rear machine head, so that the sealing performance of the hinged sealing system is greatly damaged when the heading machine is assembled and disassembled, and the safe use of the equipment is very unfavorable.
Disclosure of Invention
The invention aims to solve the technical problems in the prior art and provide a construction method of a sectional combined pipe-jacking tunneling machine, which can avoid collision on key parts of the pipe-jacking tunneling machine and damage on a sealing system in the installation and disassembly processes, and simultaneously can greatly reduce the structural size of a working well, greatly reduce the construction cost of the working well and shorten the construction period of the working well.
In order to achieve the purpose, the construction method of the sectional combined type pipe-jacking tunneling machine is characterized in that the pipe-jacking tunneling machine is sequentially divided into a first shell, a second shell and a third shell by two dividing surfaces, and the construction method comprises the following steps:
1) the first shell is hoisted into the working well, and the jacking mechanism pushes the first shell to abut against a sealing door of the working well;
2) the second shell is hoisted into the working well, a first main shaft in the first shell is connected with a second main shaft in the second shell through a connecting device, and the first shell and the second shell are connected into a whole in a detachable and fixed connection mode;
3) installing jacking iron at the tail part of the second shell, driving a cutter head of the pipe-jacking tunneling machine to cut soil by a driving system of the pipe-jacking tunneling machine, and pushing the first shell and the second shell into the soil from the sealing door by a jacking mechanism through the jacking iron;
4) the jacking mechanism retreats, and a jacking iron at the tail part of the second shell is taken down;
5) after the first shell and the second shell enter the soil body, enough installation space is left in the working well, and the third shell is lifted into the working well;
6) the second shell and the third shell are connected into a whole in a detachable fixed connection mode, the tail of the third shell is connected to one end face of a pipeline, jacking iron is installed on the other end face of the pipeline, a driving system drives a cutter head to rotate to cut soil in front of the pipe-jacking tunneling machine, and meanwhile, the jacking mechanism pushes the pipeline and the pipe-jacking tunneling machine to move forwards in the soil together through the jacking iron;
7) after the pipeline is jacked into the soil body, the jacking mechanism retracts, a next section of pipeline which is hung from the outside of the working well is placed in the vacant space and connected with the previous section of pipeline, the circulation is repeated, and the pipeline is jacked into the soil body section by section according to the design requirement and the designed line;
8) after the pipeline connection is finished, the first shell of the pipe-jacking tunneling machine goes out of the hole and enters another working well, the first shell is separated from the second shell, and the first shell is hoisted out;
9) and (4) continuously jacking the jacking mechanism, separating the second shell from the third shell after the second shell is out of the hole, lifting out the second shell, and continuously jacking until the third shell is lifted out, so that the construction is finished.
Compared with the prior art, the invention has the advantages that:
1. the sectional type mounting method of the top pipe heading machine can avoid collision to key parts of the top pipe heading machine and damage to the hinged sealing system in the mounting and dismounting processes;
2. according to the invention, the first shell and the second shell enter the soil body firstly, so that an installation space is left for the third shell, the structural size of the working well is greatly reduced, the construction cost of the working well is greatly reduced, and the construction period of the working well is shortened.
Drawings
FIG. 1 is a combination view of a pipe-jacking tunneling machine of the present invention;
FIG. 2 is a separate view of the pipe-jacking tunneling machine of the present invention;
FIG. 3 is a schematic view of the installation of the first housing of the present invention;
FIG. 4 is a schematic view of the installation of the second housing of the present invention;
fig. 5 is a schematic view of the installation of the third housing of the present invention.
As shown, in the figure:
1. first shell 11, first main shaft 12, soil bin partition plate
2. Second shell 21, second main shaft 22, main driving device 23 and deviation correcting device
3. Third casing
4. Coupling device
5. Sealing door
6. Top iron
7. Jacking mechanism
A: first division surface
B: a second dividing plane.
Detailed Description
The construction and principles of such a device will be apparent to those skilled in the art from the following further description of the invention taken in conjunction with the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1 and 2, the pipe-jacking tunneling machine is divided into three parts, namely a first shell 1, a second shell 2 and a third shell 3, by two dividing surfaces, namely a first dividing surface a and a second dividing surface B, wherein the first dividing surface a is arranged behind a soil bin partition plate 12 in the first shell 1 and in front of a main driving device 22 in the second shell 2. The first division plane a divides the main shaft of the pipe-jacking machine into two sections, namely a first main shaft 11 in the first shell 1 and a second main shaft 21 in the second shell 2, the second main shaft 21 is connected to a main driving device 22, the first main shaft 11 and the second main shaft 21 are connected together through a coupling device 4, the first main shaft 11 and the second main shaft 21 can be driven through the coupling device 4, and in addition, pipelines of liquid media transmitted through the main shafts can be connected. The first shell 1 and the second shell 2 in front and at the back of the first division surface A are connected into a whole in a detachable and fixed connection mode.
The second division surface B is arranged behind the deviation correcting device 23 in the second shell 2, and the second shell 2 and the third shell 3 in front of and behind the second division surface B can be connected into a whole in a detachable fixed connection mode.
As shown in fig. 3 to 5, the construction method of the present invention includes the steps of:
1) the first shell 1 is hoisted into a working well, and the jacking mechanism 7 pushes the first shell 1 to prop against a sealing door 5 of the working well;
2) the second shell 2 is hoisted into a working well, the first main shaft 11 in the first shell 1 and the second main shaft 21 in the second shell 2 are connected together through the coupling device 4, and the first shell 1 and the second shell 2 are connected into a whole in a detachable and fixed connection mode;
3) a jacking iron 6 is arranged at the tail part of the second shell 2, a driving system of the pipe-jacking tunneling machine drives a cutter head of the pipe-jacking tunneling machine to cut soil, and meanwhile, a jacking mechanism 7 pushes the first shell 1 and the second shell 2 into the soil from the sealing door 5 through the jacking iron 6;
4) the jacking mechanism 7 retracts, and the jacking iron 6 at the tail part of the second shell 2 is taken down;
5) after the first shell 1 and the second shell 2 enter the soil body, enough installation space is left in the working well, and the third shell 3 is lifted into the working well;
6) the second shell 2 and the third shell 3 are connected into a whole in a detachable fixed connection mode, the tail of the third shell 3 is connected to one end face of a pipeline, ejector irons 6 are installed on the other end face of the pipeline, a driving system drives a cutter head to rotate, soil in front of the pipe-jacking tunneling machine is cut, and meanwhile, the jacking mechanism 7 pushes the pipeline and the pipe-jacking tunneling machine to move forwards in the soil together through the ejector irons 6;
7) after the pipeline is jacked into the soil body, the jacking mechanism 7 retracts, a next section of pipeline which is hung from the outside of the working well is placed in the vacant space and connected with the previous section of pipeline, the circulation is repeated, and the pipeline is jacked into the soil body section by section according to the design requirement and the designed line;
8) after the pipeline connection is finished, the first shell 1 of the pipe-jacking tunneling machine goes out of the hole and enters another working well, the first shell 1 is separated from the second shell 2, and the first shell 1 is hoisted out;
9) and (4) continuously jacking the jacking mechanism 7, separating the second shell 2 from the third shell 3 after the second shell 2 is out of the hole, hoisting the second shell 2 out, continuously jacking until the third shell 3 is hoisted out, and finishing construction.
In addition, the sectional type installation method of the top pipe heading machine can avoid the collision to key parts (such as a deviation-correcting oil cylinder) of the top pipe heading machine and the damage to a hinged sealing system in the installation and disassembly processes; the first shell 1 and the second shell 2 enter the soil body firstly, an installation space is reserved for the third shell 3, the structural size of the working well is greatly reduced, the construction cost of the working well is greatly reduced, and the construction period of the working well is shortened.
Claims (1)
1. A construction method of a sectional combined pipe-jacking tunneling machine is characterized in that two cutting planes divide the pipe-jacking tunneling machine into a first shell, a second shell and a third shell in sequence, and the construction method comprises the following steps:
1) the first shell is hoisted into the working well, and the jacking mechanism pushes the first shell to abut against a sealing door of the working well;
2) the second shell is hoisted into the working well, a first main shaft in the first shell is connected with a second main shaft in the second shell through a connecting device, and the first shell and the second shell are connected into a whole in a detachable and fixed connection mode;
3) installing jacking iron at the tail part of the second shell, driving a cutter head of the pipe-jacking tunneling machine to cut soil by a driving system of the pipe-jacking tunneling machine, and pushing the first shell and the second shell into the soil from the sealing door by a jacking mechanism through the jacking iron;
4) the jacking mechanism retreats, and a jacking iron at the tail part of the second shell is taken down;
5) after the first shell and the second shell enter the soil body, enough installation space is left in the working well, and the third shell is lifted into the working well;
6) the second shell and the third shell are connected into a whole in a detachable fixed connection mode, the tail of the third shell is connected to one end face of a pipeline, jacking iron is installed on the other end face of the pipeline, a driving system drives a cutter head to rotate to cut soil in front of the pipe-jacking tunneling machine, and meanwhile, the jacking mechanism pushes the pipeline and the pipe-jacking tunneling machine to move forwards in the soil together through the jacking iron;
7) after the pipeline is jacked into the soil body, the jacking mechanism retracts, a next section of pipeline which is hung from the outside of the working well is placed in the vacant space and connected with the previous section of pipeline, the circulation is repeated, and the pipeline is jacked into the soil body section by section according to the design requirement and the designed line;
8) after the pipeline connection is finished, the first shell of the pipe-jacking tunneling machine goes out of the hole and enters another working well, the first shell is separated from the second shell, and the first shell is hoisted out;
9) and (4) continuously jacking the jacking mechanism, separating the second shell from the third shell after the second shell is out of the hole, lifting out the second shell, and continuously jacking until the third shell is lifted out, so that the construction is finished.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910930448.6A CN110805446A (en) | 2019-09-29 | 2019-09-29 | Construction method of sectional combined pipe-jacking tunneling machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910930448.6A CN110805446A (en) | 2019-09-29 | 2019-09-29 | Construction method of sectional combined pipe-jacking tunneling machine |
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| Publication Number | Publication Date |
|---|---|
| CN110805446A true CN110805446A (en) | 2020-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910930448.6A Pending CN110805446A (en) | 2019-09-29 | 2019-09-29 | Construction method of sectional combined pipe-jacking tunneling machine |
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| Country | Link |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1025994A (en) * | 1996-07-10 | 1998-01-27 | Okumura Corp | Cutter head for shield excavator |
| CN204002818U (en) * | 2014-06-05 | 2014-12-10 | 中铁上海工程局集团有限公司 | A kind of modularization assemble housing for super-large diameter pipe jacking tunnelling machine |
| CN104358927A (en) * | 2014-10-30 | 2015-02-18 | 国强建设集团有限公司 | Push pipe construction method and push pipe device |
| CN206429754U (en) * | 2017-01-23 | 2017-08-22 | 徐州徐工基础工程机械有限公司 | A kind of modular, can rapid disassembling push-bench head |
-
2019
- 2019-09-29 CN CN201910930448.6A patent/CN110805446A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1025994A (en) * | 1996-07-10 | 1998-01-27 | Okumura Corp | Cutter head for shield excavator |
| CN204002818U (en) * | 2014-06-05 | 2014-12-10 | 中铁上海工程局集团有限公司 | A kind of modularization assemble housing for super-large diameter pipe jacking tunnelling machine |
| CN104358927A (en) * | 2014-10-30 | 2015-02-18 | 国强建设集团有限公司 | Push pipe construction method and push pipe device |
| CN206429754U (en) * | 2017-01-23 | 2017-08-22 | 徐州徐工基础工程机械有限公司 | A kind of modular, can rapid disassembling push-bench head |
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Application publication date: 20200218 |