CN201908660U - Pilot pipe device in long-distance jacking construction of large-diameter steel pipe - Google Patents
Pilot pipe device in long-distance jacking construction of large-diameter steel pipe Download PDFInfo
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- CN201908660U CN201908660U CN 201120013078 CN201120013078U CN201908660U CN 201908660 U CN201908660 U CN 201908660U CN 201120013078 CN201120013078 CN 201120013078 CN 201120013078 U CN201120013078 U CN 201120013078U CN 201908660 U CN201908660 U CN 201908660U
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- steel pipe
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 60
- 239000010959 steel Substances 0.000 title claims abstract description 60
- 238000010276 construction Methods 0.000 title claims abstract description 15
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 17
- 230000008093 supporting effect Effects 0.000 claims abstract description 11
- 230000015572 biosynthetic process Effects 0.000 claims 2
- 238000000034 method Methods 0.000 abstract description 10
- 230000001360 synchronised effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
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Abstract
A pilot tube device for long-distance jacking construction of a large-diameter steel tube comprises a reinforcing ring, a circle-protecting support and a deviation correcting device; the reinforcing ring is connected to the mouth of pipe department of pipe earlier, respectively is connected with the round inside and outside the mouth of pipe, the intensity of multiplicable mouth of pipe, and the mouth of pipe earlier is the oblique blade shape with the reinforcing ring, the cutting performance of multiplicable first arrival pipe. The circle-protecting support is radially arranged at a position close to a pipe orifice in the pilot tube, consists of a supporting steel pipe, a jack and a support, can provide axial tension or pressure, and ensures that the steel pipe is not out of round in the jacking process. The deviation correcting device is arranged at the interface of the first guide pipe and the first section of large-diameter steel pipe and consists of a front baffle, a rear baffle, an angle steel bracket and a jack. In the jacking process, the pilot pipe can apply force through a jack of the deviation correcting device to change the advancing angle, so that the running direction of the jacking pipe is adjusted, synchronous deviation correction is realized, and the running direction of the steel pipe can be well controlled.
Description
Technical field
The utility model relates to a kind of building in advance in the method construction and is installed on large diameter steel pipe first pipe guide foremost.
Background technology
Build method (Pre-construction method) in advance and be called for short PCM, be a kind of be widely used in to build be the street passage for a short time, arrive the construction technology of the underground spaces such as subway station greatly.The underground space structure contour area jacking part large diameter steel pipe of its base program for planning to build, form connected space in the pipe through technical finesses such as cutting between the steel pipe pipe, supportings and (be called for short piping lane, down together), carry out forming the structure outline of planning to build the underground space in advance behind the structure of reinforced concrete in piping lane, soil excavation forms the final underground space in the structure through carrying out after certain curing time.This method is because the preparation before total construction and the structure construction is all finished in large diameter steel pipe, and security performance is good; Can big section underground constructionization is greatly little, workable, can in pipe, specific aim handle even meet underground utilities; Can reach not precipitation in the work progress, can accomplish zero sedimentation, have certain environmental-protecting performance.
Along with the attention of people to environment, the method for building is developed rapidly in advance, and large diameter steel pipe jacking technology also is applied in the engineerings such as subway station, tunnel thereupon.Because the increase of steel pipe jacking length is also strict more to the safety and the requirement of linear deviation of steel pipe.Elder generation's conduit is in the steel pipe jacking foremost, directly contacts the soil body, is the critical component of guaranteeing the smooth jacking of steel pipe.Deviation or body distortion appear in first conduit easily in incremental launching construction, influence the incremental launching construction process.
The utility model content
The utility model provides a kind of large diameter steel pipe length apart from the first pipe guide of jacking, solve the technical problem that circle and the linear deviation of jacking are lost in first conduit body distortion.
The technical scheme that its technical problem that solves the utility model adopts is:
This large diameter steel pipe length is characterized in that apart from the first pipe guide in the jacking construction: be made of reinforcing ring, the support of guarantor's circle and deviation correcting device;
Described reinforcing ring is connected in the mouth of pipe place of first conduit, respectively is connected with a circle inside and outside the mouth of pipe, and the mouth of pipe of first conduit and reinforcing ring are all declivous cutting edge shape;
The support of described guarantor's circle radially is installed on first conduit inside and closes on mouth of pipe place, protecting the circle support is made of supporting steel pipe, jack and bearing, the base of jack is fixed in first pipe inner wall by bearing, the push rod of jack docks with supporting steel pipe one end, and the supporting steel pipe other end is fixed by another bearing and first pipe inner wall;
Described deviation correcting device is installed on the interface of first conduit and first segment large diameter steel pipe, deviation correcting device is made of front apron, backboard, angle steel carriage and jack, front apron and first pipe inner wall are fixed, backboard and first segment large diameter steel pipe inwall are fixed, front apron and backboard back to one side and inside pipe wall between be connected with floor, jack is fixed on the angle steel carriage between front apron and the backboard, the angle steel carriage is fixedlyed connected with one of backboard with front apron, and the base of jack and push rod offset with front apron and backboard respectively.
Described guarantor circle is supported on first conduit inside and is cross and is provided with twice.
Described deviation correcting device has been equally spaced four groups along the interface of first conduit and first segment large diameter steel pipe.
The beneficial effects of the utility model are as follows:
1, formerly conduit mouth of pipe place is provided with the steel reinforcing ring, can increase the intensity of the mouth of pipe, and the mouth of pipe of first conduit and reinforcing ring are all declivous cutting edge shape, can increase the cutting ability that arrives first pipe.
2, first conduit front end is provided with and protects the circle support, is close to reinforcing ring, and axial pulling force or pressure can be provided, and guarantees that steel pipe does not lose circle in jack-in process.
3, between first conduit and the first segment steel pipe deviation correcting device is installed, in jack-in process, first conduit can be by the jack reinforcing of deviation correcting device, change travel angle, adjust the push pipe traffic direction with this, realize synchronous correction of deviation, can control the traffic direction of steel pipe well.Deviation correcting device can simultaneously many group associating uses, to satisfy the comparatively correction needs under the complex situations of steel pipe deviation, have low, simple to operate, the respond well advantage of cost.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is an overall structure schematic diagram of the present utility model.
Fig. 2 is the schematic cross-section of reinforcing ring installation position.
Fig. 3 protects the structural representation that circle supports.
Fig. 4 is the structural representation of deviation correcting device.
Fig. 5 is the installation site schematic diagram of deviation correcting device.
Fig. 6 is the schematic diagram that many group deviation correcting devices are united use.
Reference numeral: 1-elder generation conduit; 2-first segment large diameter steel pipe; The 3-reinforcing ring; 4-protects circle support, 4.1-supporting steel pipe, 4.2-jack, 4.3-bearing, another bearing of 4.4-; 5-deviation correcting device, 5.1-front apron, 5.2-backboard, 5.3-angle steel carriage, 5.4-jack, 5.5-floor; The 6-interface.
The specific embodiment
Embodiment is referring to shown in Figure 1, and this large diameter steel pipe length is made of reinforcing ring 3, the support 4 of guarantor's circle and deviation correcting device 5 apart from the first pipe guide in the jacking construction;
Referring to shown in Figure 2, described reinforcing ring is connected in the mouth of pipe place of first conduit 1, respectively is connected with a circle inside and outside the mouth of pipe, and the mouth of pipe of first conduit 1 and reinforcing ring 3 are all declivous cutting edge shape;
Referring to shown in Figure 3, described guarantor's circle support 4 radially is installed on first conduit 1 inside and closes on mouth of pipe place, protects the circle support and according to circumstances can be provided with together, and also formerly conduit 1 inside is the cross setting.Protecting circle supports 4 and is made of supporting steel pipe 4.1, jack 4.2 and bearing 4.3, the base of jack 4.2 is fixed in first conduit 1 inwall by bearing 4.3, the push rod of jack 4.2 docks with supporting steel pipe 4.1 1 ends, and the supporting steel pipe other end is fixed with first pipe inner wall by another bearing 4.4.
Shown in Fig. 4-6, described deviation correcting device 5 is installed on interface 6 places of first conduit 1 and first segment large diameter steel pipe 2, has been equally spaced four groups.Deviation correcting device is made of front apron 5.1, backboard 5.2, angle steel carriage 5.3 and jack 5.4, front apron 5.1 is fixed with first conduit 1 inwall, backboard 5.2 is fixed with first segment large diameter steel pipe 2 inwalls, front apron 5.1 and backboard 5.2 back to one side and inside pipe wall between be connected with floor 5.5, jack 5.4 is fixed on the angle steel carriage 5.3 between front apron 5.1 and the backboard 5.2, angle steel carriage 5.3 and front apron 5.1 and backboard 5.2 both one of fixedly connected, the base of jack 5.4 and push rod offset with front apron 5.1 and backboard 5.2 respectively.
With the flexible spacing of adjusting first conduit and first segment large diameter steel pipe of jack 5.4 push rods.In elder generation's conduit correction process, this device is arranged on desires the position that makes the steel pipe offset direction opposite.For example, desire to make first conduit to be offset to the right, then this device is arranged on the left side of tube wall,, then this device is arranged on the tube wall right side if make steel pipe fail to agree skew.As required, this device can be provided with many groups simultaneously, is used for reaching the requirement of correction.
Claims (3)
1. a large diameter steel pipe length is characterized in that apart from the first pipe guide in the jacking construction: support (4) and deviation correcting device (5) formation by reinforcing ring (3), guarantor's circle;
Described reinforcing ring is connected in the mouth of pipe place of first conduit (1), respectively is connected with a circle inside and outside the mouth of pipe, and the mouth of pipe of first conduit (1) and reinforcing ring (3) are all declivous cutting edge shape;
Described guarantor's circle support (4) radially is installed on first conduit (1) inside and closes on mouth of pipe place, protect circle and support (4) by supporting steel pipe (4.1), jack (4.2) and bearing (4.3) formation, the base of jack (4.2) is fixed in first conduit (1) inwall by bearing (4.3), the push rod of jack (4.2) docks with supporting steel pipe (4.1) one ends, and the supporting steel pipe other end is fixed by another bearing (4.4) and first pipe inner wall;
Described deviation correcting device (5) is installed on first conduit (1) and locates with the interface (6) of first segment large diameter steel pipe (2), deviation correcting device is by front apron (5.1), backboard (5.2), angle steel carriage (5.3) and jack (5.4) constitute, front apron (5.1) is fixed with first conduit (1) inwall, backboard (5.2) is fixed with first segment large diameter steel pipe (2) inwall, front apron (5.1) and backboard (5.2) back to one side and inside pipe wall between be connected with floor (5.5), jack (5.4) is fixed on the angle steel carriage (5.3) between front apron (5.1) and the backboard (5.2), angle steel carriage (5.3) and front apron (5.1) and backboard (5.2) both one of fixedly connected, the base of jack (5.4) and push rod offset with front apron (5.1) and backboard (5.2) respectively.
2. large diameter steel pipe length according to claim 1 is characterized in that apart from the first pipe guide in the jacking construction: described guarantor circle supports (4) and formerly is cross and is provided with twice in conduit (1) inside.
3. large diameter steel pipe length according to claim 1 is characterized in that apart from the first pipe guide in the jacking construction: described deviation correcting device (5) locates to be equally spaced four groups along the first conduit (1) and the interface (6) of first segment large diameter steel pipe (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120013078 CN201908660U (en) | 2011-01-17 | 2011-01-17 | Pilot pipe device in long-distance jacking construction of large-diameter steel pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120013078 CN201908660U (en) | 2011-01-17 | 2011-01-17 | Pilot pipe device in long-distance jacking construction of large-diameter steel pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201908660U true CN201908660U (en) | 2011-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120013078 Expired - Lifetime CN201908660U (en) | 2011-01-17 | 2011-01-17 | Pilot pipe device in long-distance jacking construction of large-diameter steel pipe |
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| Country | Link |
|---|---|
| CN (1) | CN201908660U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102094430A (en) * | 2011-01-17 | 2011-06-15 | 中建市政建设有限公司 | Pilot pipe device in long-distance jacking construction of large-diameter steel pipe and construction method thereof |
| CN104481545A (en) * | 2014-09-23 | 2015-04-01 | 上海隧道工程有限公司 | Intermediate jacking station rectifying device for rectangular pipe jacking machine |
| CN114165243A (en) * | 2021-12-07 | 2022-03-11 | 闵瑞 | Linkage intelligent deviation correcting system between large-diameter jacking pipes |
-
2011
- 2011-01-17 CN CN 201120013078 patent/CN201908660U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102094430A (en) * | 2011-01-17 | 2011-06-15 | 中建市政建设有限公司 | Pilot pipe device in long-distance jacking construction of large-diameter steel pipe and construction method thereof |
| CN102094430B (en) * | 2011-01-17 | 2012-01-25 | 中建市政建设有限公司 | Pilot pipe device in long-distance jacking construction of large-diameter steel pipe and construction method thereof |
| CN104481545A (en) * | 2014-09-23 | 2015-04-01 | 上海隧道工程有限公司 | Intermediate jacking station rectifying device for rectangular pipe jacking machine |
| CN104481545B (en) * | 2014-09-23 | 2017-03-29 | 上海隧道工程有限公司 | A kind of relay well deviation correcting device of rectangular pipe jacking machine |
| CN114165243A (en) * | 2021-12-07 | 2022-03-11 | 闵瑞 | Linkage intelligent deviation correcting system between large-diameter jacking pipes |
| CN114165243B (en) * | 2021-12-07 | 2023-08-25 | 江苏省水利建设工程有限公司 | Intelligent linkage deviation rectifying system between major diameter push pipe relays |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110727 Effective date of abandoning: 20120125 |