CN112324452A - Annular milling pipe jacking construction equipment - Google Patents
Annular milling pipe jacking construction equipment Download PDFInfo
- Publication number
- CN112324452A CN112324452A CN201910752148.3A CN201910752148A CN112324452A CN 112324452 A CN112324452 A CN 112324452A CN 201910752148 A CN201910752148 A CN 201910752148A CN 112324452 A CN112324452 A CN 112324452A
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- Prior art keywords
- jacking
- pipe
- annular
- milling
- gear
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- 238000003801 milling Methods 0.000 title claims abstract description 37
- 238000010276 construction Methods 0.000 title claims abstract description 30
- 239000002689 soil Substances 0.000 claims abstract description 37
- 238000007599 discharging Methods 0.000 claims abstract description 12
- 239000000956 alloy Substances 0.000 claims description 4
- 229910045601 alloy Inorganic materials 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 2
- 230000004888 barrier function Effects 0.000 abstract description 2
- 239000011435 rock Substances 0.000 abstract description 2
- 239000007787 solid Substances 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 239000002002 slurry 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
- E21D9/10—Making by using boring or cutting machines
- E21D9/1053—Making by using boring or cutting machines for making a slit along the perimeter of the tunnel profile, the remaining core being removed subsequently, e.g. by blasting
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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)
- Earth Drilling (AREA)
Abstract
The invention relates to annular milling pipe-jacking construction equipment in the field of pipe-jacking engineering construction, which comprises seven parts, namely a milling gear (1), a gear shaft (2), an annular headstock (3), a pipe joint (4), a soil discharging device, a power system and a control system, wherein the milling gear (1) cuts rock and soil bodies along the jacking direction of a pipe jacking by rotating around the gear shaft (2) parallel to the pipe wall direction of the pipe jacking, the gear shaft (2) is fixed on the annular headstock (3), and soil can be discharged by installing a conveyor belt at the lower part of the pipe joint (4), the advantages that only the soil body at the periphery of the pipe wall of the top pipe is cut annularly, the cutting amount of the soil body is greatly reduced, the used milling gear has strong capability of cutting rock-soil body, and is suitable for various stratums, the high-strength underground solid barriers such as pile foundations, anchor rods and the like can be cut, the construction efficiency is high, and the construction cost is greatly reduced.
Description
Technical Field
The invention relates to the field of pipe jacking engineering construction in the field of civil engineering.
Background
The core of the pipe-jacking construction technology is to provide a propelling counterforce by using a pipe-jacking pipe joint, place or take out a jacking machine head and the pipe joint through a pipe-jacking well, cut soil body by the jacking machine head, control the construction direction and transmit propelling power by the pipe joint so as to realize the installation work of the pipe-jacking and underground trenchless pipelines. At present, the jacking pipe is mainly round, the rectangular jacking pipe is successfully applied, and the section and the jacking capacity of the jacking pipe are increasingly large. The existing jacking pipe construction technology can well control the jacking direction, can well control construction dragging influence, and has wider and wider application range in underground engineering. However, in the existing pipe jacking technology, no matter the earth pressure balance jacking method or the slurry pressure balance jacking method is adopted, the full-section cutting of the pipe jacking is adopted, so that the construction efficiency of the pipe jacking machine head is reduced, the adaptability to the stratum is poor, and the pipe jacking machine cannot jack when underground obstacles such as piles, anchor rods and the like are encountered. The larger the cross-sectional area of the ceiling header is, the more prominent the above problem is.
Disclosure of Invention
The invention aims to provide annular milling pipe-jacking construction equipment which only cuts rock-soil bodies along the periphery of the pipe wall of a pipe jacking, greatly reduces the cutting amount of the rock-soil bodies, has high construction efficiency and strong stratum adaptability, can cut various underground obstacles, and has high construction speed and low cost.
The annular milling pipe-jacking construction equipment comprises a milling gear, a gear shaft, an annular machine head frame, a pipe joint, a soil discharging device, a power system and a control system, wherein the milling gear rotates around the gear shaft parallel to the wall surface of a pipe jacking to cut a gear-shaped component of a rock-soil body along the jacking direction of the pipe jacking, the gear shaft is parallel to the pipe wall direction of the pipe jacking, the milling gear is installed on the gear shaft, the gear shaft is fixed on the annular machine head frame, the pipe joint is a structure which is connected with the annular machine head frame and provides jacking counter force and supports the rock-soil body after jacking, the soil discharging device is a device which is installed on the pipe joint or the annular machine head frame and is used for discharging residual soil bodies in the pipe joint, the power system is a device for providing power for jacking the pipe joint and cutting the rock-soil body, and the control system is a counter force device for controlling the jacking direction, the jacking.
In the annular milling pipe jacking construction equipment, the annular headstock and the pipe joint can be one or a combination of a circular ring shape, a square ring shape, a triangular ring shape or other hollow special-shaped ring shapes.
In the annular milling pipe jacking construction equipment, a high-hardness alloy structure can be mounted on the milling gear.
In the annular milling pipe-jacking construction equipment, the soil discharging device is a conveyor belt arranged at the lower part of the pipe joint.
The annular milling pipe-jacking construction equipment only performs annular cutting on the soil body at the periphery of the pipe wall of the pipe jacking, greatly reduces the cutting amount of the soil body in the jacking process of the pipe jacking, has strong capability of cutting the rock-soil body by using the milling gear, is suitable for various stratums, can cut high-strength underground solid barriers such as pile foundations, anchor rods and the like, has high construction efficiency, and greatly reduces the construction cost.
Drawings
FIG. 1 is a schematic cross-sectional view of an annular milling pipe jacking construction equipment used in one embodiment of the present invention;
FIG. 2 is a schematic view of a milling head of the annular milling pipe jacking construction equipment according to an embodiment of the present invention;
FIG. 3 is a schematic front view of an annular milling pipe jacking construction equipment used in one embodiment of the present invention;
Detailed Description
As an embodiment of the present invention, a structure and an operation principle of a circular milling pipe-jacking construction device according to the present invention are described below with reference to fig. 1 to 3, the circular milling pipe-jacking construction device includes seven parts, namely a milling gear (1), a gear shaft (2), a circular headstock (3), a pipe joint (4), a soil discharging device, a power system, and a control system, wherein the milling gear (1) is a gear-shaped member that cuts a rock-soil body in a jacking direction of a pipe jacking by rotating around the gear shaft (2) parallel to a pipe wall direction of the pipe jacking, in the present embodiment, a high-hardness alloy structure can be mounted on the milling gear (1), and the alloy structure can be made into a cone shape, as shown in fig. 1 and 2. The soil body in the advancing direction of the top pipe is gradually cut through the rotation of the milling gear (1), and an annular cut is formed in the soil body. The gear shaft (2) is parallel to the plane direction of the pipe wall of the top pipe, the milling gear (1) is installed on the gear shaft (2), if the top pipe is circular, the arrangement direction of the gear shaft (2) is perpendicular to the radius direction of the circular ring, and the circular ring is spliced by a plurality of polygons, as shown in figure 3. The milling gear (1) cuts up the soil body and then removes the soil body, an annular space is formed in the soil body, and the jacking pipe can be jacked conveniently. The gear shaft (2) is fixed on the annular headstock (3), the pipe joint (4) is connected with the annular headstock (3) and provides a jacking counter force and a structure for supporting rock-soil bodies after jacking, the soil discharging device is installed on the pipe joint (4) or the annular headstock (3), and the device for discharging residual soil bodies in the pipe joint (4) from the pipe joint (4) is arranged on the device for discharging the pipe joint (4). In the embodiment, the power system is a device for providing power for jacking the pipe joint (4) and cutting rock and soil mass, the control system is a device for controlling the jacking direction, the jacking speed and the jacking counter force, and the two parts can be realized by adopting corresponding parts in the existing pipe jacking technology. In this embodiment, the annular headstock (3) and the pipe joint (4) may be in one or more combinations of circular ring shape, square ring shape, triangular ring shape or other special-shaped ring shapes.
This patent includes, but is not limited to, other construction methods that may be substituted by those skilled in the art.
Claims (4)
1. An annular milling pipe-jacking construction device is characterized by comprising seven parts, namely a milling gear (1), a gear shaft (2), an annular headstock (3), a pipe joint (4), a soil discharging device, a power system and a control system, wherein the milling gear (1) is a gear-shaped component which rotates around the gear shaft (2) parallel to the pipe wall direction of a pipe jacking and cuts a rock-soil body along the jacking direction of the pipe jacking, the gear shaft (2) is parallel to the pipe wall surface of the pipe jacking, the milling gear (1) is installed on the gear shaft (2), the gear shaft (2) is fixed on the annular headstock (3), the pipe joint (4) is a structure which is connected with the annular headstock (3) and provides jacking counter force and supports the rock-soil body after jacking, the soil discharging device is installed on the pipe joint (4) or the annular headstock (3), the device for discharging the residual soil body (4) in the pipe joint (4), the power system is a device for providing power for the jacking of the pipe joint (4) and cutting the rock-soil body, the control system is a device for controlling the jacking direction, the jacking speed and the magnitude of the jacking counterforce.
2. Annular milling pipe-jacking construction equipment according to claim 1, wherein said annular headstock (3) and pipe joint (4) are one or more combinations of circular, square, triangular or other hollow profile ring.
3. Annular milling pipe jacking installation according to claim 1, wherein a high hardness alloy structure is mounted on said milling gear (1).
4. Annular milling pipe jacking equipment according to claim 1, wherein said soil removal means is a conveyor belt mounted below the pipe joints (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910752148.3A CN112324452A (en) | 2019-08-05 | 2019-08-05 | Annular milling pipe jacking construction equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910752148.3A CN112324452A (en) | 2019-08-05 | 2019-08-05 | Annular milling pipe jacking construction equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112324452A true CN112324452A (en) | 2021-02-05 |
Family
ID=74319226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910752148.3A Pending CN112324452A (en) | 2019-08-05 | 2019-08-05 | Annular milling pipe jacking construction equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112324452A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103357937A (en) * | 2013-06-28 | 2013-10-23 | 株洲钻石切削刀具股份有限公司 | Milling cutter with multiple milling units |
| CN203756180U (en) * | 2014-04-04 | 2014-08-06 | 天津市管道工程集团有限公司 | Slurry and soil pressure dual use pipe jacking machine |
| CN104712339A (en) * | 2015-01-07 | 2015-06-17 | 同济大学 | Annular pipe jacking machine |
| CN107288651A (en) * | 2017-07-21 | 2017-10-24 | 中交公局海威工程建设有限公司 | Push-bench drill bit and push-bench |
| CN108487915A (en) * | 2018-05-24 | 2018-09-04 | 江苏地龙重型机械有限公司 | A kind of push-bench with rotary cutting head |
| CN109811818A (en) * | 2019-02-27 | 2019-05-28 | 江苏徐工工程机械研究院有限公司 | Cutting tooth milling wheel of double-wheel slot milling machine |
-
2019
- 2019-08-05 CN CN201910752148.3A patent/CN112324452A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103357937A (en) * | 2013-06-28 | 2013-10-23 | 株洲钻石切削刀具股份有限公司 | Milling cutter with multiple milling units |
| CN203756180U (en) * | 2014-04-04 | 2014-08-06 | 天津市管道工程集团有限公司 | Slurry and soil pressure dual use pipe jacking machine |
| CN104712339A (en) * | 2015-01-07 | 2015-06-17 | 同济大学 | Annular pipe jacking machine |
| CN107288651A (en) * | 2017-07-21 | 2017-10-24 | 中交公局海威工程建设有限公司 | Push-bench drill bit and push-bench |
| CN108487915A (en) * | 2018-05-24 | 2018-09-04 | 江苏地龙重型机械有限公司 | A kind of push-bench with rotary cutting head |
| CN109811818A (en) * | 2019-02-27 | 2019-05-28 | 江苏徐工工程机械研究院有限公司 | Cutting tooth milling wheel of double-wheel slot milling machine |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20210205 |
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| WD01 | Invention patent application deemed withdrawn after publication |