CN103292036B - A kind of assembling type curve steel pipe jacking section header - Google Patents
A kind of assembling type curve steel pipe jacking section header Download PDFInfo
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- CN103292036B CN103292036B CN201210052968.XA CN201210052968A CN103292036B CN 103292036 B CN103292036 B CN 103292036B CN 201210052968 A CN201210052968 A CN 201210052968A CN 103292036 B CN103292036 B CN 103292036B
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- socket
- fixed plate
- jacking
- disassembly
- energy
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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)
- Joints Allowing Movement (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The invention discloses a kind of assembling type curve steel pipe jacking section header, it is characterized in that steel jacking pipe joints one end is provided with socket, the steel jacking pipe joints the other end is provided with bellmouth, it is secondary that the corresponding bellmouth of two joint steel jacking pipe joints and socket form a chromaffin body head, bellmouth and socket end portion are respectively arranged with annulus of putting more energy into, and annulus rear portion of putting more energy into arranges interior pasting board of longitudinally putting more energy into.The longitudinal direction of female end and socket end is put more energy into interior pasting board installing/dismounting formula fixed plate respectively, installs assembling type power transmission top board, and connected by caging bolt between the two joint corresponding socket end of adjacent steel pipe tube coupling and the disassembly-type fixed plate of female end.Headblock sheet is provided with between the disassembly-type fixed plate of assembling type power transmission top board and socket end.Jack can be installed between the disassembly-type fixed plate of socket end and female end.The invention has the advantages that simple structure, characteristics of compact layout, easy construction, firm in structure, cost is lower, and during construction, operation is comparatively easy, and the duration is shorter.
Description
Technical field
The present invention relates to steel push pipe field, be specially a kind of assembling type curve steel pipe jacking section header and jacking method thereof.
Background technique
Pipe jacking construction technique is a kind of eco-friendly trenchless installation underground utility technology.Under the condition of its soil layer construction outside not disturbance or slight perturbations pipe, by means of the thrust of the jacking devices such as main top oil pump, tool pipe or development machine are entered received well from active well through soil layer along the line; Meanwhile, pipeline following closely connected successively and bury the method for construction of laying under ground piping in the pipeline soil layer of these two wells of connection underground.The tubing being 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 prior art, steel pipe push pipe is substantially all adopt welding manner to process joint between tube coupling and tube coupling.The processing mode of this joint not only also exists long, the problem such as operating process is complicated weld interval.The more important thing is because its joint is rigidity, so steel pipe should not as Curve Pipe Jacking tubing used.And the relay well complex structure used in straight line steel push pipe, consider that construction requirement is more, to dismounting with closed consider less, after causing jacking to terminate, work for the treatment of amount is large, and poor durability, becomes the weak link affecting steel push pipe working life.
Summary of the invention
The object of the present invention is to provide a kind of assembling type curve steel pipe jacking section header, during jacking, by simple assembling, make tube coupling joint for flexible, as the connection between the relay well of push pipe or each tube coupling of Curve Pipe Jacking; After push pipe completes, rigid joint can be changed into again.
In order to realize this purpose, technological scheme of the present invention is: a kind of assembling type curve steel pipe jacking section header, it is characterized in that steel jacking pipe joints one end is provided with socket, socket is reserved with injected hole and watertight rubber circle groove, the steel jacking pipe joints the other end is provided with bellmouth, it is secondary that the corresponding bellmouth of two joint steel jacking pipe joints and socket form a chromaffin body head, and bellmouth and socket end portion are respectively arranged with annulus of putting more energy into, and annulus rear portion of putting more energy into arranges interior pasting board of longitudinally putting more energy into.The longitudinal direction of female end and socket end is put more energy into interior pasting board installing/dismounting formula fixed plate respectively, installs assembling type power transmission top board, and connected by caging bolt between the two joint corresponding socket end of adjacent steel pipe tube coupling and the disassembly-type fixed plate of female end.Headblock sheet is provided with between assembling type power transmission top board and disassembly-type fixed plate.
Another object of the present invention is to a kind of jacking method that assembling type curve steel pipe jacking section header is provided, during jacking, by simple assembling, make tube coupling joint for flexible, as the connection between the relay well of push pipe or each tube coupling of Curve Pipe Jacking; After push pipe completes, rigid joint can be changed into again.
To achieve these goals, technological scheme of the present invention is: a kind of jacking method of assembling type curve steel pipe jacking section header, comprise the following steps: the longitudinal direction of A, female end and socket end is put more energy into interior pasting board installing/dismounting formula fixed plate respectively, after pipe, between the two joint corresponding socket end of steel pipe tube coupling and the disassembly-type fixed plate of female end, assembling type power transmission top board is installed, and connected by caging bolt, be provided with 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 section header secondary transfer tube internode top power when B, jacking between 2-section pipe road tube coupling; C, when curved section is constructed, utilize jack to need applying top, the side power of subtended angle at pipeline, then fixed by caging bolt, forming curves; After D, Curve Pipe Jacking complete, remove jack, assembling type power transmission top board and disassembly-type fixed plate, and sticking steel plate in the space between socket end and bellmouth end is welded, connect into and be rigidly connected; The injected hole outward pressure that E, utilization are reserved extrudes thick liquid preservative coating, is tamped in the space between section header pair, forms anticorrosion barrier.
The needs that the present invention be directed to steel pipe Curve Pipe Jacking are developed, when jacking for flexibly connecting, carry out Curve Pipe Jacking, change into after jacking completes and be rigidly connected, there is simple structure, characteristics of compact layout, the feature of easy construction, expand the application of steel pipe in Curve Pipe Jacking field, also can be used as the relay well of steel push pipe.The present invention to make between steel pipe tube coupling when jacking, for flexibly connecting, to carry out relay jacking and the correction of push pipe; Both transmitted top power during curve steel pipe jacking, and also turned by subtended angle, realize curve.After jacking completes, without the need to cutting, only need a small amount of welding, can change into and be rigidly connected.The present invention simplifies relay well or curve steel pipe jacking tube coupling head configuration, and most of material is recycling, reduces cutting and the welding job amount of complexity when relay well or curve steel pipe jacking tube coupling head close.The invention has the advantages that simple structure, characteristics of compact layout, adopt assembling type, processing and Operating In Persistent Current Mode amount few, cost is lower, and during construction, comparatively easily, the duration is shorter in operation.Can be used as the relay well of steel push pipe or the pipeline section header of curve steel pipe jacking.
Accompanying drawing explanation
Fig. 1 is the bellmouth tectonic maps of curve steel pipe jacking section header pair.
Fig. 2 is the socket structure figure of curve steel pipe jacking section header pair.
The assembling detail drawing of section header pair when Fig. 3 is straight line jacking.
Fig. 4 is the assembling detail drawing of section header pair when using jack forming curves.
Fig. 5 is the closed working drawing of section header pair after jacking completes.
Embodiment
As shown in Figure 1, a kind of assembling type curve steel pipe jacking section header, it is characterized in that steel jacking pipe joints one end is provided with socket 1, the other end is provided with bellmouth 2, and bellmouth 2 and socket 1 are as a chromaffin body head pair, and make in the factory in advance, scene is welded with steel pipe abridged edition body.Bellmouth 2 and socket 1 end are respectively arranged with annulus 3 of putting more energy into, and increase elastic pipeline mouth of pipe hoop rigidity, and annulus 3 rear portion of putting more energy into arranges interior pasting board 4 of longitudinally putting more energy into, as the binding site transmitting top power and assembling top tool.After on-the-spot two joint steel pipes welds with the bellmouth of section header pair and socket respectively, installing/dismounting formula fixed plate 5 on the longitudinal direction of the two corresponding female ends and socket end saving steel jacking pipe joints puts more energy into interior pasting board 4, becomes a complete Curve Pipe Jacking tube coupling.After pipe, the disassembly-type fixed plate 5 of female end is connected with one 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, headblock sheet 8 is set between assembling type power transmission top board and disassembly-type fixed plate, can straight line jacking be carried out.Owing to leaving jack mounting hole in assembling type power transmission top board, jack can be utilized as required to stretch, carry out angle and open, realize the turning between tube coupling.
According to one embodiment of present invention, the secondary bellmouth length of section header is 0.6 ~ 0.8m, and wherein bellmouth stretches out the length outside annulus 3 of putting more energy into is 0.38 ~ 0.45m, and slot length is 0.3 ~ 0.5m, and the socket length of stretching out outside annulus 3 of putting more energy into is 0.15 ~ 0.2m.Respectively arrange at socket and socket end and also claim annular stiffened plate along the whole pipeline annulus 3(that puts more energy into of a week), annular width is about the duct thickness of 2 times, according to this embodiment, thickness of steel pipe 18 ~ 22mm, the wide 36 ~ 44mm of annulus of putting more energy into.Annular stiffened plate rear is equipped with interior pasting board 4 of longitudinally putting more energy into, and transmits top power and assembling top tool.Annulus of putting more energy into improves the rigidity of steel pipe in joint with interior pasting board of longitudinally putting more energy into, and controls joint distortion radially.Socket is reserved with injected hole 9 and watertight rubber circle groove 10.
As shown in Figure 2, after bellmouth and socket weld with steel pipe body respectively, assembly and disassembly formula fixed plate 5 transmits top power respectively, make straight line top power change into the axial pressure of annulus 3 of putting more energy into and longitudinally in the radial pressure of pasting board 4.Socket watertight rubber circle groove 10 loads watertight rubber circle 11, after pipeline butt, installs assembling type power transmission top board 7 and headblock sheet 8 between assembly and disassembly formula fixed plate.And fix with caging bolt 6, during fixing and curved jacking when caging bolt carries out straight line jacking, opening angle is spacing.18mm ~ 22mm is thick for headblock sheet, improves the transmitting axle force of steel pipe, in case the distortion of steel pipe under differential pressure and unstability; Rubber seal mainly ensures the sealing in push pipe process, and rubber seal ring cross-section is wedge shape or circle.
In jack-in process, between 2-section pipe road, rely on assembling type power transmission top board 7 that top power is passed to disassembly-type fixed plate 5, then pass to put more energy into annulus 3 and interior pasting board 4 of longitudinally putting more energy into.Headblock sheet 8 one aspect can compensate the Roughness of assembling type power transmission top board 7 and disassembly-type fixed plate 5 end face, increases stressed uniformity; Can make it there is certain deformability when repeatedly carrying on the other hand, pipeline end face can be adapted to and form angle of inclination when curved jacking, and the opening degree between tube coupling can be kept.
When curved section is constructed, unclamp the caging bolt 6 needing the side of opening, jack 12 is installed between female end and the disassembly-type fixed plate of 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, jack is utilized to apply uneven top power, jack top journey is calculated by opening angle, and wooden spacer thickness is increased between assembling type power transmission top board 7 and disassembly-type fixed plate 5 end face, and fix with caging bolt, form power transmission rigid body, carry out Curve Pipe Jacking.Also according to measurement result, jack position can be changed, carries out angular adjustment.During jacking, tube coupling connects as shown in Figure 3.
Curve Pipe Jacking should in advance according to the arc length of curve, radius of curvature determination tube coupling quantity, tube coupling length with often save open-angle angle value.
After Curve Pipe Jacking completes, for ensureing 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 socket end and the annular stiffened plate of bellmouth) between 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 process in advance.After having welded, utilize injected hole, inject thick anticorrosive paint 13 outward, the gap between section header pair is tamped, protective conduit.After jacking completes, the connection of tube coupling as shown in Figure 4.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 Pipe Jacking are developed, and have simple structure, characteristics of compact layout, easy construction, feature firm in structure.For steel pipe has paved road in the application in Curve Pipe Jacking field, the relay well of steel push pipe also can be acted on.
Claims (3)
1. an assembling type curve steel pipe jacking section header, it is characterized in that steel jacking pipe joints one end is provided with socket, socket is reserved with injected hole and watertight rubber circle groove, the steel jacking pipe joints the other end is provided with bellmouth, it is secondary that the corresponding bellmouth of two joint steel jacking pipe joints and socket form a chromaffin body head, bellmouth and socket end portion are respectively arranged with annulus of putting more energy into, annulus rear portion of putting more energy into arranges interior pasting board of longitudinally putting more energy into, the longitudinal direction of female end and socket end is put more energy into interior pasting board installing/dismounting formula fixed plate respectively, assembling type power transmission top board is laid between the socket of the adjacent steel pipe tube coupling of two joints and the disassembly-type fixed plate of bellmouth, disassembly-type fixed plate and the assembling type power transmission top board of female end are bolted, the disassembly-type fixed plate of assembling type power transmission top board and socket end is bolted.
2. curve steel pipe jacking section header as claimed in claim 1, is characterized in that being provided with headblock sheet between assembling type power transmission top board and disassembly-type fixed plate.
3. curve steel pipe jacking section header as claimed in claim 2, is characterized in that installing jack between female end and the disassembly-type fixed plate of socket end.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510868630.5A CN105546215B (en) | 2012-03-02 | 2012-03-02 | A kind of jacking method of assembled curve steel pipe jacking section header |
| CN201210052968.XA CN103292036B (en) | 2012-03-02 | 2012-03-02 | A kind of assembling type 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 |
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| 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 CN103292036A (en) | 2013-09-11 |
| CN103292036B true 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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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106246189B (en) * | 2016-08-04 | 2018-07-31 | 广州电力设计院 | The installation method of pipe jacking tunnel tube coupling |
| 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 |
| CN109538824B (en) * | 2018-12-28 | 2024-06-18 | 中国电建集团福建省电力勘测设计院有限公司 | Heavy-calibre reinforced concrete electric power push pipe structure that little camber curve jacking was used |
| 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 |
| CN112343619B (en) * | 2020-10-22 | 2022-06-14 | 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 |
| 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 |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN103292036A (en) | 2013-09-11 |
| CN105546215B (en) | 2017-11-24 |
| CN105546215A (en) | 2016-05-04 |
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