CN101608718A - A kind of pipeline jacking method and device - Google Patents
A kind of pipeline jacking method and device Download PDFInfo
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- CN101608718A CN101608718A CN 200810039102 CN200810039102A CN101608718A CN 101608718 A CN101608718 A CN 101608718A CN 200810039102 CN200810039102 CN 200810039102 CN 200810039102 A CN200810039102 A CN 200810039102A CN 101608718 A CN101608718 A CN 101608718A
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- tube coupling
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- screw mandrel
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Abstract
The invention discloses a kind of pipeline jacking method and device.The objective of the invention is to overcome the shortcoming of prior art, provide a kind of and fundamentally avoid landslide to produce, easy to operate, safe pipeline jacking method and device.Described method is with prefabricated pipe shaft, under the promotion of power by jacking to the position of reserving in advance in advance; In the pipe shaft front is tube head; The top cutter is installed on the described tube head, and the top cutter is in can be by jacking soil under the promotion of power; Described pipe shaft is made up of the more piece tube coupling; The power that described tube coupling moves transmits by screw mandrel; On tube head and each tube coupling, the half nuts that matches with screw mandrel has been installed all; When half nuts was in opening state, screw mandrel is in idling conditions did not have impetus to this tube coupling, and when half nuts was in closed state, screw mandrel promotes tube head by half nuts or tube coupling travels forward.The present invention is used for tubing.
Description
Technical field
The present invention relates to a kind of method and device of pipe laying, particularly relate to a kind of pipeline jacking method and device.
Technical background
Along with the development in city, the use of pipeline is more and more now, often is open-air excavation when still building pipeline now, carries out moulding then inside, fills out again, and this mode work efficiency of building is low, and the cycle is long, influences traffic and normally moves.Though also there is relevant invention to solve, as number of patent application 87212634 denominations of invention " feedthrough push-bench " of Patent Office of the People's Republic of China in the 1988.09.14 bulletin, this model utility technology utilizes hydraulic power with cable trunk jacking soil layer, has saved open work.But this technology because power is restricted, is difficult to operation for the pipe laying of growing distance owing to be subjected to the restriction of hydraulic power.Therefore, be badly in need of a kind of landslide generation of fundamentally avoiding now, easy to operate, safe, the pipeline jacking method and the device of push pipe distance.
Summary of the invention
The objective of the invention is to overcome above-mentioned shortcoming, provide a kind of and fundamentally avoid landslide to produce, easy to operate, safe, the pipeline jacking method and the device of push pipe distance.
For this reason, the invention provides a kind of pipeline jacking method and device, described method is with prefabricated pipe shaft, under the promotion of power by jacking to the position of reserving in advance in advance; In the pipe shaft front is tube head; The top cutter is installed on the described tube head, and the top cutter is in can be by jacking soil under the promotion of power; After the top cutter was by jacking soil, at this moment the soil that is surrounded by the top cutter just was in iron and steel door the inside, and it all is safe at this moment adopting any way that the soil excavation is transported.After the regolith excavation of top cutter the inside was transported, the top cutter continued to move forward, and at this moment fills up the room that the top cutter stays under the promotion of pipe shaft at power of top flank face, owing to have pipe shaft supporting soil all the time, and the landslide so soil is had no chance.In order to reduce the required power of jacking, on described tube head seat, spiral drill is installed, spiral drill can move to the pipeline the inside by spiral excavation mode with the soil block of front portion.Because spiral drill has excavated a part earlier with soil block wherein, so the required power of jacking has diminished.Described pipe shaft is made up of the more piece tube coupling; The power that described tube coupling moves transmits by screw mandrel; On tube head and each tube coupling, the half nuts that matches with screw mandrel has been installed all; When half nuts was in opening state, screw mandrel is in idling conditions did not have impetus to this tube coupling, and when half nuts was in closed state, screw mandrel promotes tube head by half nuts or tube coupling travels forward.Though pipeline jacking machine has obtained general use, behind the distance lengthening of pipeline, it is big that surface area becomes, and needed jacking power is excessive when making jacking, and the power of common pipe jacking equipment can't meet the demands.And the present invention has changed the power supply mode of existing jacking equipment, by screw mandrel and half nuts, each one of them tube coupling of only giving provides power, is the length of 1,000 tube couplings if the length of a segment pipe is arranged, and power is provided need for simultaneously these thousand tube couplings with existing jacking equipment.But utilize the present invention, the half nuts of each only closed tube coupling so just only needs the power of a tube coupling just can promote, and makes required power descend 1,000 times.Described device is made up of tube head, tube coupling, power transmission screw mandrel, power system and half nuts.Described power transmission screw mandrel can link to each other by socket, adopts the mode of socket can guarantee required length, the socketing method of similar drilling well.In order to make the range expansion of use of the present invention, described power screw mandrel is universal connection, adopts the Placement of universal joint that tunnel is turned.Can in prefabricated tube coupling, excavation machinery be installed equally.
In another kind of pipeline jacking method provided by the invention and device, described tube head is made up of tube head seat and cutter head.The strength of power transmission screw mandrel also can be used for the Driving force as cutter head, but when edatope is relatively poor such as the inside when stone is arranged, the strength that at this moment relies on the power transmission screw mandrel is not enough, links to each other by hydraulic power system between tube head seat and cutter head.Hydraulic power system can fully guarantee the needs of power.Equally, described cutter head has the broken function of vibrations and can adapt to more abominable soil structure.
In another kind of pipeline jacking method provided by the invention and device, the outer cover of mutual socket is installed on the outer wall of described each tube coupling and adjacent tube coupling thereafter, the outer cover protection is mutual between two adjacent tube couplings to prevent that soil from dropping into when mobile.Preventing that soil from dropping into comes, and can prevent the generation of caving on the one hand, on the other hand owing to be continuous between all tube couplings, and the power of can reducing friction.Power screw mandrel protective tube has been installed on described each tube coupling, has been prevented soil drops to influences the power screw mandrel on the power screw mandrel proper functioning.In order to guarantee the tunnel quality, between the tube coupling that said each tube coupling is adjacent positioning device is arranged, assurance position each other is in the drive-in step and can misplace.Can be at the edge of prefabricated tube coupling, particularly in along last fixing metal limit when prefabricated, like this, after tube coupling puts in place can with the metal edges on the back edge of a tube coupling along with the metal edges in the forward position of a back tube coupling along being welded into integral body, thereby guarantee the intensity of tunnel.
In another kind of pipeline jacking method provided by the invention and device, the half nuts pedestal has been installed on the described tube coupling; The installation of described half nuts pedestal and pipeline is movable; After using end, can take off, use repeatedly from pipeline.The folding of half nuts can manual operation, also can adopt alternate manners such as electromagnetism folding operation.
Pipeline jacking method provided by the invention and device are compared with existing method and device and are had the following advantages:
1. power demand is little: can be with the less bigbore pipeline of power jacking, the length of the jacking pipeline that can extend;
2. easy for installation: because the power screw mandrel is to adopt the socket mode to install, so easy for installation;
3. cost is low: reduced equipment cost.
Embodiments of the invention below by accompanying drawing is described can more be expressly understood design of the present invention, method.
Description of drawings
Accompanying drawing 2 is tube coupling moving process schematic representation of an embodiment of a kind of pipeline jacking method provided by the invention and device.
Embodiment
With reference to accompanying drawing 1, accompanying drawing 1 is an embodiment's of a kind of pipeline jacking method provided by the invention and device the outer cover schematic representation of tube coupling: prefabricated outer cover 4,5,6 and outer cover seam 7,8,9 respectively on the outer wall 10 of tube coupling 1,2,3.The outer cover 4 of tube coupling 1 matches with the outer cover seam 8 of tube coupling 2; The outer cover 5 of tube coupling 2 matches with the outer cover seam 9 of tube coupling 3.In actual use, outer cover remains with the outer cover seam and links to each other, and prevents from that soil block in the soil from dropping to enter into pipe shaft.Because in tube coupling jacking and process, the outer wall of tube coupling withstands soil all the time, promptly use the tube wall replacement soil of tube coupling, the chance that soil does not drop does not just have the chance of landslide, thereby guarantees the mobile mutually energy proper functioning between the tube coupling.
Accompanying drawing 2 is tube coupling moving process schematic representation of an embodiment of a kind of pipeline jacking method provided by the invention and device: tube coupling 20,21,22 centres are left power screw mandrel pipeline 31 and are communicated, and power screw mandrel 26 passes from power screw mandrel pipeline 31; Half nuts 27 is being installed on the tube coupling 20, half nuts 30 is being installed on the tube coupling 21, half nuts 28 has been installed on tube coupling 22.After top cutter 25 is by jacking soil 24, during half nuts 30 that the half nuts seat of closed tube coupling 21 is 29 li, along with the rotation of power screw mandrel 26, the half nuts 30 that is in closed state promotes tube coupling 21 and moves forward, and separates thereby tube coupling 21 and tube coupling 20 are drawn close with tube coupling 22.But tube coupling 21 and tube coupling 22 are in the process of separating, the outer cover 34 of tube coupling 21 remains with the outer cover seam 33 of tube coupling 22 and links to each other, all the time do not break away from, guarantee that soil can not drop in the gap between the tube coupling, thereby the soil that has yet guaranteed the gap location between the tube coupling can not cave in.After tube coupling 21 and tube coupling 20 closely links to each other, the half nuts 30 of unlatching tube coupling 21, the half nuts 28 of closed tube coupling 22; So be in idle running between the rotation of power screw mandrel 26 and the half nuts 27,30, can not produce thrust to tube coupling 20,21 because the half nuts 27,30 of tube coupling 20,21 is in opening state this moment.But because half nuts 28 is in closed state, so the rotation meeting of power screw mandrel 26 produces thrust to tube coupling 22, promotion tube coupling 22 moves to tube coupling 21 to be drawn close.Half nuts on the different tube couplings of closure or openness will make different tube couplings forward or stop successively, travels forward if only promote a tube coupling at every turn, and needed power is the Driving force of a tube coupling just just, thereby has reduced the power requirement widely.Behind pipe cutter each jacking soil, below soil block is taken away from the pipe cutter again, owing to above when taking soil block away the protection of pipe cutter is arranged, thus be in a safe condition all the time, thus the proper functioning of push pipe guaranteed.
Above described embodiment be that the present invention will be described, be not that the present invention is limited.Design, method and scope that the present invention is claimed all are documented in claims of the present invention.
Claims (10)
1. pipeline jacking method and device, it is characterized in that: described method is with prefabricated pipe shaft, under the promotion of power by jacking to the position of reserving in advance in advance; In the pipe shaft front is tube head; The top cutter is installed on the described tube head, and the top cutter is in can be by jacking soil under the promotion of power; Described pipe shaft is made up of the more piece tube coupling; The power that described tube coupling moves transmits by the power transmission screw mandrel; On tube head and each tube coupling, the half nuts that matches with screw mandrel has been installed all; When half nuts was in opening state, the power transmission screw mandrel is in idling conditions did not have impetus to this tube coupling, and when half nuts was in closed state, the power transmission screw mandrel promotes tube head by half nuts or tube coupling travels forward.
2. pipeline jacking method according to claim 1 and device is characterized in that: described device is made up of tube head, tube coupling, power transmission screw mandrel, power system and half nuts.
3. pipeline jacking method according to claim 1 and 2 and device is characterized in that: described power transmission screw mandrel can link to each other by socket.
4. pipeline jacking method according to claim 2 and device is characterized in that: described tube head is made up of tube head seat and cutter head.
5. pipeline jacking method according to claim 4 and device is characterized in that: link to each other by hydraulic power system between described tube head seat and the cutter head.
6. pipeline jacking method according to claim 5 and device is characterized in that: described cutter head has the broken function of vibrations.
7. pipeline jacking method according to claim 1 and device is characterized in that: the outer cover of mutual socket is installed on the outer wall of described each tube coupling and adjacent tube coupling thereafter, and the outer cover protection is mutual between two adjacent tube couplings to prevent that soil from dropping into when mobile.
8. pipeline jacking method according to claim 1 and device is characterized in that: power screw mandrel protective tube has been installed on described each tube coupling, has been prevented soil drops to influences the power screw mandrel on the power screw mandrel proper functioning.
9. pipeline jacking method according to claim 1 and device is characterized in that: the half nuts pedestal has been installed on the described tube coupling; The installation of described half nuts pedestal and pipeline is movable; After using end, can take off from pipeline.
10. pipeline jacking method according to claim 4 and device is characterized in that: on described tube head seat spiral drill is installed, spiral drill can move to the pipeline the inside by spiral excavation mode with the soil block of front portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810039102 CN101608718A (en) | 2008-06-18 | 2008-06-18 | A kind of pipeline jacking method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810039102 CN101608718A (en) | 2008-06-18 | 2008-06-18 | A kind of pipeline jacking method and device |
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| CN101608718A true CN101608718A (en) | 2009-12-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200810039102 Pending CN101608718A (en) | 2008-06-18 | 2008-06-18 | A kind of pipeline jacking method and device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102337732A (en) * | 2010-07-20 | 2012-02-01 | 上海市基础工程有限公司 | Seawall construction method with top pipes penetrating through block stone |
| CN105863664A (en) * | 2016-06-13 | 2016-08-17 | 韶关市铁友建设机械有限公司 | Excavating pipe jacking machine |
| CN111457156A (en) * | 2020-04-14 | 2020-07-28 | 重庆水务集团股份有限公司 | Water delivery pipe mountain penetrating equipment |
| CN112161111A (en) * | 2020-09-04 | 2021-01-01 | 丽水市莲都区汇聚机械设计工作室 | Jacking equipment convenient to location for municipal pipeline construction |
-
2008
- 2008-06-18 CN CN 200810039102 patent/CN101608718A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102337732A (en) * | 2010-07-20 | 2012-02-01 | 上海市基础工程有限公司 | Seawall construction method with top pipes penetrating through block stone |
| CN105863664A (en) * | 2016-06-13 | 2016-08-17 | 韶关市铁友建设机械有限公司 | Excavating pipe jacking machine |
| CN105863664B (en) * | 2016-06-13 | 2018-02-27 | 韶关市铁友建设机械有限公司 | One kind excavates push-bench |
| CN111457156A (en) * | 2020-04-14 | 2020-07-28 | 重庆水务集团股份有限公司 | Water delivery pipe mountain penetrating equipment |
| CN112161111A (en) * | 2020-09-04 | 2021-01-01 | 丽水市莲都区汇聚机械设计工作室 | Jacking equipment convenient to location for municipal pipeline construction |
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Application publication date: 20091223 |