CN103292036A - Assembled curved steel jacking pipe joint and jacking method thereof - Google Patents
Assembled curved steel jacking pipe joint and jacking method thereof Download PDFInfo
- Publication number
- CN103292036A CN103292036A CN201210052968XA CN201210052968A CN103292036A CN 103292036 A CN103292036 A CN 103292036A CN 201210052968X A CN201210052968X A CN 201210052968XA CN 201210052968 A CN201210052968 A CN 201210052968A CN 103292036 A CN103292036 A CN 103292036A
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- socket
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- push pipe
- fixed plate
- jacking
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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)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
- Joints Allowing Movement (AREA)
Abstract
The invention discloses an assembled curved steel pipe jacking joint. The assembled curved steel pipe jacking joint is characterized in that an insert is formed in one end of a steel jacking pipe joint; a socket is formed in the other end of the steel jacking pipe joint; the corresponding socket and the corresponding insert of two steel jacking pipe joints form a joint pair; reinforcing circular rings are arranged on the end parts of the socket and the insert respectively; longitudinal reinforcing inner patch plates are arranged on the back parts of the reinforcing circular rings; detachable fixing plates are installed on the longitudinal reinforcing inner patch plates at the socket end and the insert end respectively; assembled force-transferring ejector plates are installed between the detachable fixing plates at the corresponding insert end and the corresponding socket end of the two adjacent steel jacking pipe joints and are connected through limiting bolts; wooden spacers are arranged between the assembled force-transferring ejector plate and the detachable fixing plate at the insert end; and jacks can be installed between the detachable fixing plates at the insert end and the socket end. The assembled curved steel pipe jacking joint has the advantages of simple structure, compact layout, convenience in construction, firm structure, relatively low cost, relatively easy construction operation and relatively short construction duration.
Description
Technical field
The present invention relates to steel push pipe field, be specially a kind of assembling type curve steel push pipe section header and jacking method thereof.
Background technique
Pipe jacking construction technique is that a kind of eco-friendly non-excavation lays the underground utility technology.Under the condition of its soil layer construction outside not disturbance or slight disturbance pipe, by means of the thrust of jacking equipment such as main top oil pump, tool pipe or development machine are passed soil layer along the line from active well enter received well; Meanwhile, following closely pipeline is connected successively and bury the method for construction of laying under ground piping in the pipeline soil layer that connects these two wells underground.The tubing that is applicable to push pipe generally has concrete pipe (containing common concrete pipe, concrete reinforced pipe, cylinder concrete pipe), steel pipe, glass reinforced plastic sand pipe.
In the prior art, the steel pipe push pipe substantially all is to adopt welding manner to handle joint between tube coupling and the tube coupling.The processing mode of this joint not only exists problems such as long, complicated operating process weld interval.The more important thing is because its joint is rigidity, so steel pipe should not be as the used tubing of curve push pipe.And the relay well complex structure that uses in straight line steel push pipe considers that construction requirement is more, to remove and closed consider less, cause jacking to finish after, the work for the treatment of amount is big, poor durability, becoming influences the steel push pipe weak link in working life.
Summary of the invention
The object of the present invention is to provide a kind of assembling type curve steel push pipe section header, during jacking, by simple assembling, make the tube coupling joint for flexible, as the relay well of push pipe or the connection between each tube coupling of curve push pipe; After push pipe is finished, can change rigid joint again into.
In order to realize this purpose, technological scheme of the present invention is: a kind of assembling type curve steel push pipe section header, it is characterized in that steel push pipe tube coupling one end is provided with socket, be reserved with injected hole and watertight rubber circle groove on the socket, the steel push pipe tube coupling the other end is provided with bellmouth, corresponding bellmouth and the socket of two joint steel push pipe tube couplings form a chromaffin body head pair, and bellmouth and socket end are respectively arranged with the annulus of putting more energy into, and the annulus rear portion of putting more energy into arranges the interior pasting board of vertically putting more energy into.The interior pasting board installing/dismounting formula fixed plate respectively of vertically putting more energy into of female end and socket end is installed assembling type power transmission top board, and is connected by caging bolt between the disassembly-type fixed plate of the two joint corresponding socket ends of adjacent steel pipe tube coupling and female end.Be provided with the headblock sheet between assembling type power transmission top board and the disassembly-type fixed plate.
Another object of the present invention is to provide a kind of jacking method of assembling type curve steel push pipe section header, during jacking, by simple assembling, make the tube coupling joint for flexible, as the relay well of push pipe or the connection between each tube coupling of curve push pipe; After push pipe is finished, can change rigid joint again into.
To achieve these goals, technological scheme of the present invention is: a kind of jacking method of assembling type curve steel push pipe section header, may further comprise the steps: the interior pasting board installing/dismounting formula fixed plate respectively of vertically putting more energy into of A, female end and socket end, behind pipe, assembling type power transmission top board is installed between the disassembly-type fixed plate of the two joint corresponding socket ends of steel pipe tube coupling and female end, and by the caging bolt connection, be provided with the headblock sheet between the disassembly-type fixed plate of assembling type power transmission top board and socket end; Rely on assembling type power transmission top board and disassembly-type fixed plate to the secondary transfer tube internode of section header top power when B, jacking between the 2-section pipe road tube coupling; C, when curved section is constructed, utilize jack to need a side of subtended angle to apply top power at pipeline, fix by caging bolt again, form curve; After D, curve push pipe are finished, remove jack, assembling type power transmission top board and disassembly-type fixed plate, and sticking steel plate in the space between socket end and the bellmouth end is welded, connect into and be rigidly connected; The injected hole outward pressure that E, utilization are reserved is extruded thick liquid anticorrosive paint, and the space between the section header pair is tamped, and forms anticorrosion barrier.
The needs that The present invention be directed to steel pipe curve push pipe are developed, when jacking for flexibly connecting, carry out the curve push pipe, change into after jacking is finished and be rigidly connected, have simple structure, arrange compactness, the characteristics of easy construction, expand the application of steel pipe in curve push pipe field, also can be used as the relay well of steel push pipe.The present invention makes between the steel pipe tube coupling when jacking to flexibly connecting, and carries out relay jacking and the correction of push pipe; Both transmit top power during curve steel push pipe, also can turn by subtended angle, realized curve.After jacking is finished, need not cutting, only need a small amount of welding, can change being rigidly connected into.The present invention simplifies relay well or curve steel push pipe tube coupling head configuration, and most of material is recycling, cutting and the welding job amount of complexity when reducing relay well or curve steel push pipe tube coupling head closure.The invention has the advantages that simple structure, arrange compactness, adopt assembling type, processing and closed workload are few, and cost is lower, and it is comparatively easy to operate during construction, and the duration is shorter.Can be used as the relay well of steel push pipe or the pipeline section header of curve steel push pipe.
Description of drawings
Fig. 1 is the bellmouth tectonic maps of curve steel push pipe section header pair.
Fig. 2 is the socket tectonic maps of curve steel push pipe section header pair.
The assembling detail drawing of section header pair when Fig. 3 is the straight line jacking.
The assembling detail drawing of section header pair when Fig. 4 forms curve for using jack.
Fig. 5 for jacking finish after the secondary closed working drawing of section header.
Embodiment
As shown in Figure 1, a kind of assembling type curve steel push pipe section header is characterized in that steel push pipe tube coupling one end is provided with socket 1, and the other end is provided with bellmouth 2, and bellmouth 2 and socket 1 are made in factory in advance as a chromaffin body head pair, on-the-spot and steel pipe tube coupling body welding.Bellmouth 2 and socket 1 end are respectively arranged with the annulus 3 of putting more energy into, and increase elastic pipeline mouth of pipe hoop rigidity, and pasting board 4 in annulus 3 rear portions of putting more energy into arrange and vertically put more energy into is as the binding site that transmits top power and assembling top tool.On-the-spot two joint steel pipes respectively with the bellmouth and socket welding of section header pair after, installing/dismounting formula fixed plate 5 on the pasting board 4 becomes a complete curve push pipe tube coupling in vertically the putting more energy into of the corresponding female end of two joint steel push pipe tube couplings and socket end.Behind pipe, the disassembly-type fixed plate 5 of female end is connected with an end of assembling type power transmission top board 7 by caging bolt 6, the other end of assembling type power transmission top board 7 is connected with the disassembly-type fixed plate 5 of socket end by caging bolt 6, between assembling type power transmission top board and the disassembly-type fixed plate headblock sheet 8 is set, can carries out the straight line jacking.Owing to leave the jack mounting hole in the assembling type power transmission top board, can utilize jack flexible as required, carry out angle and open, realize the turning between the tube coupling.
According to one embodiment of present invention, the secondary bellmouth length of section header is 0.6 ~ 0.8m, and wherein to stretch out the length outside the annulus 3 of putting more energy into be 0.38 ~ 0.45m to bellmouth, and slot length is 0.3 ~ 0.5m, and the length that socket stretches out outside the annulus 3 of putting more energy into is 0.15 ~ 0.2m.Respectively arrange along the annulus 3(that puts more energy in one week of whole pipe in socket and socket end and also to claim annular stiffened plate), the annulus width is about 2 times duct thickness, according to this embodiment, thickness of steel pipe 18 ~ 22mm, the wide 36 ~ 44mm of the annulus of putting more energy into.Pasting board 4 in annular stiffened plate rear is equipped with and vertically puts more energy into transmits top power and assembling top tool.Put more energy into annulus and vertically put more energy in pasting board improve steel pipe in the rigidity of joint, control joint distortion radially.Be reserved with injected hole 9 and watertight rubber circle groove 10 on the socket.
As shown in Figure 2, after bellmouth and socket welded with the steel pipe body respectively, assembly and disassembly formula fixed plate 5 transmitted the top power respectively, and straight line top power is changed into the axial pressure of the annulus 3 of putting more energy into and the radial pressure of vertically interior pasting board 4.The socket watertight rubber circle groove 10 watertight rubber circle 11 of packing into after the pipeline counterpart, is installed assembling type power transmission top board 7 and headblock sheet 8 between assembly and disassembly formula fixed plate.And fixing with caging bolt 6, opening angle is spacing during fixing and curve jacking when caging bolt carries out the straight line jacking.18mm～22mm is thick for the headblock sheet, improves the axial power transmission of steel pipe, in case distortion and the unstability of steel pipe under differential pressure; Rubber seal mainly is the sealing that guarantees in the push pipe process, and the rubber seal ring cross-section is wedge shape or circle.
In the jack-in process, rely on assembling type power transmission top board 7 that top power is passed to disassembly-type fixed plate 5 between the 2-section pipe road, pass to put more energy into annulus 3 and the interior pasting board 4 of vertically putting more energy into again.Headblock sheet 8 can compensate the Roughness of assembling type power transmission top board 7 and disassembly-type fixed plate 5 end faces on the one hand, increases stressed uniformity; The certain deformation ability is arranged in the time of can making it to carry repeatedly on the other hand, can adapt to the pipeline end face and when the curve jacking, form the angle of inclination, and can keep the opening degree between the tube coupling.
When curved section is constructed, unclamp the caging bolt 6 that needs an open side, jack 12 is installed between the disassembly-type fixed plate of female end and socket end, one end of jack withstands on the disassembly-type fixed plate of female end, the other end withstands on the disassembly-type fixed plate of socket end by the circular hole of assembling type power transmission top board, utilize jack to apply inhomogeneous top power, press opening angle and calculate jack top journey, and between assembling type power transmission top board 7 and disassembly-type fixed plate 5 end faces, increase headblock sheet thickness, and fix with caging bolt, form the power transmission rigid body, carry out the curve push pipe.Also can change the jack position according to measurement result, carry out angular adjustment.Tube coupling connects as shown in Figure 3 during jacking.
The curve push pipe should be determined tube coupling quantity, tube coupling length and every joint opening angle value according to arc length, the radius of curvature of curve in advance.
After the curve push pipe is finished, for guaranteeing flow section, disassembly-type fixed plate 5, assembling type power transmission top board 7, caging bolt 6, headblock sheet 8 are removed, and sticking steel plate 12 in (and the space between the annular stiffened plate of socket end and bellmouth) between the space between socket end and bellmouth end, weld, connect into and be rigidly connected.Because inner-walls of duct welds, weld steel pipe temperature outside is higher, needs to adopt resistant to elevated temperatures outer anti-corrosive coating butt welded seam area of influence to do special processing in advance.After welding is finished, utilize injected hole, inject thick anticorrosive paint 13 outward, the gap between the section header pair is tamped, the protection pipeline.The connection of tube coupling as shown in Figure 4 after jacking was finished.Described thick anticorrosive paint adopts existing coating, does not repeat them here.
In sum, the needs that The present invention be directed to steel pipe curve push pipe are developed, and have simple structure, arrange compactness, easy construction, characteristics firm in structure.Pave road for steel pipe in the application in curve push pipe field, also can act on the relay well of steel push pipe.
Claims (5)
1. assembling type curve steel push pipe section header, it is characterized in that steel push pipe tube coupling one end is provided with socket, be reserved with injected hole and watertight rubber circle groove on the socket, the steel push pipe tube coupling the other end is provided with bellmouth, corresponding bellmouth and the socket of two joint steel push pipe tube couplings form a chromaffin body head pair, bellmouth and socket end are respectively arranged with the annulus of putting more energy into, and the annulus rear portion of putting more energy into arranges the interior pasting board of vertically putting more energy into.
2. curve steel push pipe section header as claimed in claim 1, it is characterized in that the interior pasting board of vertically putting more energy into of female end and socket end installing/dismounting formula fixed plate respectively, lay assembling type power transmission top board between the socket of the adjacent steel pipe tube coupling of two joints and the disassembly-type fixed plate of bellmouth, and connect by bolt.
3. curve steel push pipe section header as claimed in claim 1 or 2 is characterized in that being provided with the headblock sheet between assembling type power transmission top board and the disassembly-type fixed plate.
4. curve steel push pipe section header as claimed in claim 3 is characterized in that between the disassembly-type fixed plate of female end and socket end jack being installed.
5. the jacking method of an assembling type curve steel push pipe section header, may further comprise the steps: the interior pasting board installing/dismounting formula fixed plate respectively of vertically putting more energy into of A, female end and socket end, behind pipe, assembling type power transmission top board is installed between the disassembly-type fixed plate of the two joint corresponding socket ends of steel pipe tube coupling and female end, and by the caging bolt connection, be provided with the headblock sheet between the disassembly-type fixed plate of assembling type power transmission top board and socket end; Rely on assembling type power transmission top board and disassembly-type fixed plate to the secondary transfer tube internode of section header top power when B, jacking between the 2-section pipe road tube coupling; C, when curved section is constructed, utilize jack to need a side of subtended angle to apply top power at pipeline, fix by caging bolt again, form curve; After D, curve push pipe are finished, remove jack, assembling type power transmission top board and disassembly-type fixed plate, and sticking steel plate in the space between socket end and the bellmouth end is welded, connect into and be rigidly connected; The injected hole outward pressure that E, utilization are reserved is extruded thick liquid anticorrosive paint, and the space between the section header pair is tamped, and forms anticorrosion barrier.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210052968.XA CN103292036B (en) | 2012-03-02 | 2012-03-02 | A kind of assembling type curve steel pipe jacking section header |
| CN201510868630.5A CN105546215B (en) | 2012-03-02 | 2012-03-02 | A kind of jacking method of assembled curve steel pipe jacking section header |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210052968.XA CN103292036B (en) | 2012-03-02 | 2012-03-02 | A kind of assembling type curve steel pipe jacking section header |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510868630.5A Division CN105546215B (en) | 2012-03-02 | 2012-03-02 | A kind of jacking method of assembled curve steel pipe jacking section header |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103292036A true CN103292036A (en) | 2013-09-11 |
| CN103292036B CN103292036B (en) | 2016-02-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510868630.5A Active CN105546215B (en) | 2012-03-02 | 2012-03-02 | A kind of jacking method of assembled curve steel pipe jacking section header |
| CN201210052968.XA Active CN103292036B (en) | 2012-03-02 | 2012-03-02 | A kind of assembling type curve steel pipe jacking section header |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510868630.5A Active CN105546215B (en) | 2012-03-02 | 2012-03-02 | A kind of jacking method of assembled curve steel pipe jacking section header |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106246189A (en) * | 2016-08-04 | 2016-12-21 | 广州电力设计院 | The installation method of pipe jacking tunnel tube coupling |
| CN109538824A (en) * | 2018-12-28 | 2019-03-29 | 中国电建集团福建省电力勘测设计院有限公司 | A kind of large-diameter steel reinforced concrete electric power jacking pipe structure of small curvature curved jacking |
| CN112343619A (en) * | 2020-10-22 | 2021-02-09 | 河北省水利工程局 | Pipe jacking construction process |
| CN113048300A (en) * | 2021-03-11 | 2021-06-29 | 正中路桥建设发展有限公司 | Self-anchored joint nodular cast iron pipe and laying method thereof |
| CN113774961A (en) * | 2021-06-01 | 2021-12-10 | 中国二十冶集团有限公司 | Waterproof method for underground gallery type structure jacking relay room |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107940099B (en) * | 2017-11-17 | 2019-07-19 | 陕西华山路桥集团有限公司 | Environmental protection segmentation long range mechanical jacking construction method |
| CN111963200B (en) * | 2020-08-21 | 2022-07-05 | 上海市隧道工程轨道交通设计研究院 | Method for arranging flexible joint in pipe joint of pipe jacking method of auxiliary transverse channel |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106246189A (en) * | 2016-08-04 | 2016-12-21 | 广州电力设计院 | The installation method of pipe jacking tunnel tube coupling |
| CN106246189B (en) * | 2016-08-04 | 2018-07-31 | 广州电力设计院 | The installation method of pipe jacking tunnel tube coupling |
| CN109538824A (en) * | 2018-12-28 | 2019-03-29 | 中国电建集团福建省电力勘测设计院有限公司 | A kind of large-diameter steel reinforced concrete electric power jacking pipe structure of small curvature curved jacking |
| CN112343619A (en) * | 2020-10-22 | 2021-02-09 | 河北省水利工程局 | Pipe jacking construction process |
| CN113048300A (en) * | 2021-03-11 | 2021-06-29 | 正中路桥建设发展有限公司 | Self-anchored joint nodular cast iron pipe and laying method thereof |
| CN113774961A (en) * | 2021-06-01 | 2021-12-10 | 中国二十冶集团有限公司 | Waterproof method for underground gallery type structure jacking relay room |
| CN113774961B (en) * | 2021-06-01 | 2022-09-16 | 中国二十冶集团有限公司 | Waterproof method for underground gallery type structure jacking relay room |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103292036B (en) | 2016-02-24 |
| CN105546215B (en) | 2017-11-24 |
| CN105546215A (en) | 2016-05-04 |
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