CN112922625B - Large-scale high-pressure water jet automatic deviation rectifying pipe jacking device and construction method - Google Patents
Large-scale high-pressure water jet automatic deviation rectifying pipe jacking device and construction method Download PDFInfo
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 320
- 238000010276 construction Methods 0.000 title claims abstract description 22
- 239000002689 soil Substances 0.000 claims abstract description 35
- 239000011435 rock Substances 0.000 claims abstract description 12
- 239000004576 sand Substances 0.000 claims description 70
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 25
- 238000004062 sedimentation Methods 0.000 claims description 21
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- 229910052742 iron Inorganic materials 0.000 claims description 12
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- 239000002245 particle Substances 0.000 claims description 10
- 239000004575 stone Substances 0.000 claims description 8
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- 125000004122 cyclic group Chemical group 0.000 claims description 5
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- 238000009434 installation Methods 0.000 claims description 3
- 239000000314 lubricant Substances 0.000 claims description 3
- 238000005086 pumping Methods 0.000 claims description 3
- 238000012216 screening Methods 0.000 claims description 3
- 239000003673 groundwater Substances 0.000 claims description 2
- 239000003921 oil Substances 0.000 description 10
- 239000013049 sediment Substances 0.000 description 6
- 230000009467 reduction Effects 0.000 description 5
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- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000005641 tunneling Effects 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
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- 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
- E21D9/1066—Making by using boring or cutting machines with fluid jets
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- 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
- E21D9/108—Remote control specially adapted for machines for driving tunnels or galleries
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- 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
- E21D9/12—Devices for removing or hauling away excavated material or spoil; Working or loading platforms
- E21D9/13—Devices for removing or hauling away excavated material or spoil; Working or loading platforms using hydraulic or pneumatic conveying means
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
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Abstract
The invention discloses a large-scale high-pressure water jet automatic deviation rectifying pipe jacking device and a construction method. The pipe jacking machine is combined with high-pressure water jet, so that the loss of the cutter in hard rock pipe jacking construction is avoided, and the disturbance to the surrounding soil body is effectively weakened. The intelligent water pump judges the push pipe propelling direction and the pressure of a rock-soil body in front of the push pipe according to the relative position fed back by the resonant pressure sensor and the laser receiving screen, and adjusts the water pressure of a front controllable water speed high-pressure water disk through a high-pressure water pipe, so that the soil cutting efficiency of the high-pressure water jet is kept at a peak value, and the advancing direction of the push pipe is corrected in real time.
Description
Technical Field
The invention belongs to the technical field of pipe jacking in civil construction, and particularly relates to a large-scale high-pressure water jet automatic deviation rectifying pipe jacking device.
Background
The pipe jacking technology is particularly suitable for trenchless laying of large and medium pipe diameters, and has the comprehensive functions of economy, high efficiency and environmental protection. The advantages of this technique are: the ground is not excavated; the floor building is not detached and damaged; the traffic is not influenced; the environment is not damaged; the construction is not influenced by climate and environment; the segment difference deformation of the pipeline is not influenced; time saving, high efficiency, safety and low comprehensive cost. The technology is widely applied to trenchless laying of various pipelines such as urban underground water supply and drainage pipelines, natural gas and petroleum pipelines, communication cables and the like in coastal economically developed areas of China. It can cross roads, railways, bridges, mountains, rivers, straits and any buildings on the ground.
The pipe jacking method is a relatively common trenchless tunneling type pipeline laying construction technology at present, and adopts a hydraulic oil cylinder to jack a pipe joint into a hole formed by a tunneling machine to form a lining, and the technical difficulty of the method is as follows: firstly, how to correct the deviation of the underground extension of the pipe; secondly, because the power of the jacking pipe is provided by cutting, stirring and vibration of a hydraulic oil cylinder and a cutter head of the starting well, the jacking pipe is always in a motion state in the construction process, so that the internal stress state and the soil property of the surrounding soil are changed, the disturbance on the surrounding soil is large, and the turning radius of curve jacking pipe construction is large, so that the adaptability to engineering is poor, and the sinking or the uplifting of the ground can be caused. Thirdly, in the hard rock pipe jacking construction, the abrasion to the cutter is serious.
Disclosure of Invention
The invention aims to provide a large-scale high-pressure water jet automatic deviation rectifying pipe jacking device and a construction method, which aim to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a large-scale high-pressure water jet automatic pipe jacking device of rectifying, is including the controllable water velocity high-pressure water dish that is used for cutting the ground body and control direction, be used for detecting the resonant mode pressure sensor of the ground body pressure in the place ahead, be used for the laser receiving screen and the laser guide appearance of rectifying in real time, be used for the suction and filter muddy sand water discharge tube way and muddy sand water sedimentation filtering ponds of muddy sand water, be used for according to the ground body pressure in the place ahead and the direction of rectifying carry out the pressurized intelligent water pump that divides the rail, be used for controllable water velocity high-pressure water dish provides the sand reservoir that adds of even granularity sand water.
The front end of controllable fast high-pressure water dish of water is equipped with the bell jar of indent, and the outer port department of bell jar sets up the little water hole fixed plate, the outer terminal surface and the bell jar surface of little water hole fixed plate all set up the little water hole, the outside front end of the fast high-pressure water dish of controllable water is equipped with big water hole, the fast high-pressure water dish of controllable water passes through the delivery port of high-pressure water piping connection intelligent water pump, the water inlet of intelligent water pump is connected and is added the sand cistern.
The controllable water speed high-pressure water disc is installed at the front end of the shell, the resonant pressure sensor is arranged in the center of the front end of the controllable water speed high-pressure water disc, and the rear portion of the shell is provided with the laser receiving screen and the laser guide instrument.
The rear end of the shell is provided with a jacking pipe, one end of the jacking pipe is provided with a jacking iron, the jacking iron is installed at the output end of the main jacking oil cylinder, and the rear end of the main jacking oil cylinder is installed on the rear backup plate.
Preferably, the silt particle water sedimentation filter tank, add sand cistern and intelligent water pump setting subaerial, silt particle water sedimentation filter tank intercommunication adds the sand cistern, to adding the sand cistern and carry the qualified silt of screening, silt particle water discharge pipe sets up in the casing and passes the top and advance union coupling silt particle water sedimentation filter tank, still set up a plurality of agitators in the sand cistern.
Preferably, the middle of the shell is provided with a central shaft, one end of the central shaft is connected with a high-pressure water disc capable of controlling water speed, and a driving device and a gear speed reduction braking device are arranged on one side of the central shaft and located inside the shell.
Preferably, four groups are no less than to the big water hole, and every big water hole of group all connects intelligent water pump through a high pressure water pipe, and the little water hole on the little water hole fixed plate and the little water hole in the bell jar are respectively through high pressure water pipe connection intelligent water pump, and big water hole is used for controlling the direction of advance, and the little water hole is used for cutting the ground body.
Preferably, the resonant pressure sensor and the laser receiving screen are both electrically connected with the intelligent water pump, and the intelligent water pump adjusts the water pressure by receiving feedback signals of the resonant pressure sensor and the laser receiving screen.
Preferably, the front end of the muddy sand water discharge pipeline is connected with a screw conveyor and a delivery pump, the screw conveyor leads soil and stones cut by the high-pressure water jet formed by the water speed controllable high-pressure water disc and underground water encountered in the excavation process into the muddy sand water discharge pipeline, and the muddy sand water is discharged to the muddy sand water sedimentation filter tank through the delivery pump.
A construction method of a large-scale high-pressure water jet automatic deviation rectifying pipe jacking device comprises the following steps:
the first step is as follows: constructing an initial working well and a receiving working well by adopting an open-cut reverse method, constructing a reinforced concrete bottom plate by adopting reinforced concrete on the surrounding protecting walls, and constructing a rear backup plate after determining the axis of the initial working well so that the center of the backup plate is superposed with the pipeline line;
the second step is that: installing a working well foundation pit positioning guide rail as a shell installation platform and providing an accurate direction for starting of the shell;
the third step: a main jacking oil cylinder is arranged to provide power for jacking of the jacking pipe;
the fourth step: installing a shell, installing a muddy sand water discharge pipeline, a high-pressure water pipe and various pipelines, and installing top iron;
the fifth step: after the device is in place, the device starts to work, the central console starts to control the main jacking oil cylinder to jack the shell, and meanwhile, the intelligent water pump adjusts large water holes and small water holes on the high-pressure water disc with controllable water speed through the high-pressure water pipe according to data of the resonant pressure sensor, the laser receiving screen and the laser guide instrument, so that high-pressure water jets with different water pressures are formed to cut rock and soil bodies and correct the excavation direction of the jacking pipe in real time;
and a sixth step: after the jacking pipe is transported to a pipe jacking site by the jacking pipe transport vehicle, the jacking pipe is sequentially hoisted to the designated position of a positioning guide rail of a working well foundation pit in a working well through a gantry crane, all pipelines are sequentially connected, and further jacking circulation is carried out;
the seventh step: soil and stones cut by the water speed controllable high-pressure water disc and encountered underground water are conveyed to a muddy sand water discharge pipeline through the screw conveyor, the pressure valve and the plurality of conveying pumps, and then are pumped to a muddy sand water sedimentation filter tank for graded filtration, and water and sand with proper granularity are introduced into the sand adding reservoir for cyclic utilization.
Preferably, when the controllable water speed high-pressure water tray is damaged, the standby controllable water speed high-pressure water tray is detached from the connecting part of the shell for replacement.
Preferably, when the water speed control high-pressure water disc is close to the wall of the receiving well for 2-3 m, the operation is suspended, and the jacking is restarted after the soil body at the outlet part is reinforced.
Preferably, in long-distance pipe jacking construction, a film lubricant is injected between the pipe wall of the muddy sand water discharge pipeline and soil, so that pumping resistance is reduced.
The invention has the technical effects and advantages that: the large-scale high-pressure water jet automatic deviation rectifying pipe jacking device combines the pipe jacking machine with high-pressure water jet, avoids the loss of a cutter in hard rock pipe jacking construction, and effectively weakens the disturbance to the surrounding soil body, thereby reducing the conditions of sinking or uplifting even rock burst and the like of the ground caused by the change of the internal stress state and the soil body property of the surrounding soil body. The intelligent water pump judges the push pipe propelling direction and the pressure of the rock-soil body in front of the push pipe according to the relative position fed back by the resonant pressure sensor and the laser receiving screen and adjusts the water pressure of the front controllable water speed high-pressure water disk through the high-pressure water pipe, so that the soil cutting efficiency of the high-pressure water jet is kept at a peak value, the advancing direction of the push pipe is corrected in real time, energy and time can be effectively saved, and unnecessary loss caused by the hard degree of the rock-soil body and the shifting of the advancing direction is avoided. The muddy water discharge pipeline and the muddy water sedimentation filter tank suck cut soil bodies and rocks and underground water in an excavation process into the muddy water filtration discharge pipeline, the muddy water filtration discharge pipeline carries out classified filtration discharge on the sucked soil, the stone and other slag, and water and sand with proper granularity are introduced into the sand reservoir for cyclic utilization, so that the resource utilization rate is improved, the muddy water sedimentation filter tank is more economic and environment-friendly, and unnecessary waste of water resources, sand resources and the like is avoided.
Drawings
FIG. 1 is a schematic diagram of a large-scale high-pressure water jet automatic deviation rectifying jacking pipe structure of the invention;
FIG. 2 is a schematic sectional view of a-a of a large-scale high-pressure water jet automatic deviation-rectifying pipe-jacking water speed-controllable high-pressure water tray of the invention;
FIG. 3 is a schematic cross-sectional view of a b-b section of a large-scale high-pressure water jet automatic deviation-rectifying pipe-jacking water-speed-controllable high-pressure water tray of the invention;
FIG. 4 is a schematic diagram of large high-pressure water jet automatic deviation rectification pipe jacking construction provided by an embodiment of the invention.
In the figure: 1. a high-pressure water tray capable of controlling water speed; 2. a resonant pressure sensor; 3. a muddy water discharge pipeline; 4. a sediment filter tank; 5. a central shaft; 6. a high pressure water pipe; 7. a laser receiving screen; 8. a laser guide instrument; 9. adding sand into a reservoir; 10. an intelligent water pump; 11. a stirrer; 12. a large water hole; 13. a small water hole; 14. a small water hole fixing plate; 15. a drive device; 16. a gear reduction braking device; 17. a housing; 18. a working well foundation pit positioning guide rail; 19. jacking the pipe; 20. carrying out iron jacking; 21. a main jacking oil cylinder; 22. a back backup plate; 23. jacking the pipe carrier vehicle; 24. a screw conveyor; 25. a gantry crane; 26. a central console.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
The invention provides a large-scale high-pressure water jet automatic deviation rectifying pipe jacking device shown in figures 1-4, which comprises a controllable water speed high-pressure water disc 1 for cutting rock-soil bodies and controlling the direction, a resonant pressure sensor 2 for detecting the pressure of the front rock-soil body, a laser receiving screen 7 and a laser guide instrument 8 for real-time deviation rectification, a muddy sand water discharge pipeline 3 and a muddy sand water sedimentation filter tank 4 for sucking and filtering muddy sand water, an intelligent water pump 10 for performing track division pressurization according to the pressure of the front rock-soil body and the deviation rectifying direction, and a sand adding reservoir 9 for providing even-granularity sandy water for the controllable water speed high-pressure water disc 1;
the front end of the controllable water speed high-pressure water plate 1 is provided with an inwards concave conical groove, the outer end of the conical groove is provided with a small water hole fixing plate 14, the outer end surface of the small water hole fixing plate 14 and the surface of the conical groove are provided with small water holes 13, the front end of the outer side surface of the controllable water speed high-pressure water plate 1 is provided with a large water hole 12, the large water holes 12 are not less than four groups, the four groups control the up, down, left and right directions respectively, each group of large water holes 12 are connected with an intelligent water pump 10 through a high-pressure water pipe 6, the small water holes 13 on the small water hole fixing plate 14 and the small water holes 13 in the conical groove are connected with the intelligent water pump 10 through the high-pressure water pipes 6 respectively, the large water holes 12 are used for controlling the advancing direction, when the deviation correction to one side is needed, the water outlet pressure of the large water holes 12 in the opposite direction is increased, the deviation to the side is caused, and the small water holes 13 spray high-pressure water with gravel for cutting bodies; the controllable water speed high-pressure water tray 1 is connected with a water outlet of an intelligent water pump 10 through a high-pressure water pipe 6, a water inlet of the intelligent water pump 10 is connected with a sand adding reservoir 9, the intelligent water pump 10 absorbs sand adding water in the sand adding reservoir 9 and conveys the sand adding water to the controllable water speed high-pressure water tray 1 through each high-pressure water pipe 6;
sediment water sedimentation filter tank 4, add sand cistern 9 and intelligent water pump 10 setting subaerial, sediment water sedimentation filter tank 4 intercommunication adds sand cistern 9, to adding sand cistern 9 and carry the qualified silt of screening, introduce with the sand of water and suitable granularity and add sand cistern 9 cyclic utilization, sediment water discharge pipeline 3 sets up in casing 17 and passes and advance 19 connection sediment water sedimentation filter tank 4 of pipe, add and still set up a plurality of agitators 11 in the sand cistern 9, guarantee the even of sand water mixed liquid.
The controllable water speed high-pressure water disk 1 is arranged at the front end of a shell 17, the resonant pressure sensor 2 is arranged at the center of the front end of the controllable water speed high-pressure water disk 1, and the rear part of the shell 17 is provided with a laser receiving screen 7 and a laser guide instrument 8; resonant mode pressure sensor 2 and the equal electric connection intelligence water pump 10 of laser reception screen 7, intelligence water pump 10 is through receiving resonant mode pressure sensor 2 and the feedback signal regulation water pressure of laser reception screen 7, resonant mode pressure sensor 2's resonant frequency changes along with the change of pressure, acquire the ground body pressure in push pipe the place ahead through the sensor and transmit for intelligent water pump 10, laser reception screen 7 receives the laser that laser guide appearance 8 penetrated, and with relative position feedback to intelligent water pump 10, and laser guide appearance 8 keeps penetrating the direction level through the dead weight suspension, resonant mode pressure sensor 2 can adopt silicon resonant mode pressure sensor.
The rear end of the shell 17 is provided with a jacking pipe 19, one end of the jacking pipe 19 is provided with a jacking iron 20, the jacking iron 20 is installed at the output end of a main jacking oil cylinder 21, the rear end of the main jacking oil cylinder 21 is installed on a rear backup plate 22, the main jacking oil cylinder 21 pushes the jacking iron 20, and the jacking iron 20 pushes the jacking pipe 19 to enable the jacking pipe 19 to advance.
The middle of the shell 17 is provided with a central shaft 5, one end of the central shaft 5 is connected with the controllable water speed high-pressure water disc 1, one side of the central shaft 5 and the inner part of the shell 17 are provided with a driving device 15 and a gear reduction braking device 16, the driving device 15 is a hydraulic driving motor, the gear reduction braking device 16 is a planetary gear reducer and has a braking function, the driving device 15 drives the central shaft 5 through the gear reduction braking device 16, and the central shaft 5 drives the controllable water speed high-pressure water disc 1 to rotate in a reciprocating mode.
The front end of the muddy sand water discharge pipeline 3 is connected with a screw conveyor 24 and a delivery pump, the screw conveyor 24 leads soil and stones cut by the high-pressure water jet formed by the water speed controllable high-pressure water disk 1 and underground water encountered in the excavation process into the muddy sand water discharge pipeline 3, and the muddy sand water is discharged to the muddy sand water sedimentation filter tank 4 through the delivery pump.
The invention also provides a construction method of the large-scale high-pressure water jet automatic deviation rectifying pipe jacking device, which comprises the following steps:
the first step is as follows: constructing an initial working well and a receiving working well by adopting an open-cut reverse method, constructing a reinforced concrete bottom plate by adopting reinforced concrete on the surrounding protecting walls, and constructing a rear backup plate 22 after determining the axis of the initial working well so that the center of the backup plate coincides with the pipeline line;
the second step is that: installing a working well foundation pit positioning guide rail 18 as an installation platform of the shell 17, and providing an accurate direction for starting the shell 17;
the third step: a main jacking oil cylinder 21 is arranged to provide power for jacking the jacking pipe 19;
the fourth step: installing a shell 17, installing a muddy sand water discharge pipeline 3, a high-pressure water pipe 6 and various pipelines, and installing a top iron 20;
the fifth step: after the device is in place, the device starts to work, the central console 26 starts to control the main jacking oil cylinder 21 to jack the shell 17, and meanwhile, the intelligent water pump 10 adjusts the large water holes 12 and the small water holes 13 on the controllable water speed high-pressure water disc 1 through the high-pressure water pipe 6 according to data of the resonant pressure sensor 2, the laser receiving screen 7 and the laser guide instrument 8, so that high-pressure water jets with different water pressures are formed to cut rock and soil bodies and correct the excavating direction of the jacking pipe in real time;
and a sixth step: after the jacking pipe transport vehicle 23 transports the jacking pipe 19 to a jacking pipe site, the jacking pipe is sequentially hoisted to the designated position of a working well foundation pit positioning guide rail 18 in a working well through a gantry crane 25, all pipelines are sequentially connected, and further jacking circulation is carried out;
the seventh step: soil and stones cut by the water speed controllable high-pressure water disc 1 and encountered underground water are conveyed to a muddy sand water discharge pipeline 3 through a screw conveyor 24, a pressure valve and a plurality of conveying pumps, and then are pumped to a muddy sand water sedimentation filter tank 4 for graded filtration, and water and sand with proper granularity are introduced into a sand adding reservoir 9 for recycling;
specifically, when the controllable water speed high-pressure water tray 1 is damaged, the connecting part of the controllable water speed high-pressure water tray 1 and the shell 17 is detached and replaced for standby.
Specifically, when the controllable water speed high-pressure water tray 1 is close to the receiving well wall for 2-3 meters, the operation is suspended, and the outlet part of the soil body is reinforced and then jacked again.
Specifically, in long-distance pipe jacking construction, a film lubricant is injected between the pipe wall of the muddy sand water discharge pipeline 3 and soil, so that pumping resistance is reduced.
This automatic pipe jacking device that rectifies of large-scale high-pressure water jet is at the in-process that uses, intelligent water pump 10 is according to resonant mode pressure sensor 2 and laser receiving screen 7 and the 8 data of laser guide appearance, adjust the high-pressure water jet that forms different hydraulic pressure to big water hole 12 and little water hole 13 on controllable water speed high-pressure water dish 1 through high-pressure water pipe 6 and cut the ground body and rectify in real time to the pipe jacking excavation direction, the earth that cuts out, sediment such as stone and the groundwater that meets carry out the suction and filtration through silt particle discharge pipe 3 and silt particle water sedimentation filter tank 4, and introduce with the sand cistern 9 cyclic utilization that adds with water and the sand that is fit for the granularity.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (9)
1. The utility model provides a large-scale high pressure water jet automatic deviation rectification pipe jacking device which characterized in that: the device comprises a controllable water speed high-pressure water disc (1) used for cutting rock and soil mass and controlling direction, a resonant pressure sensor (2) used for detecting the pressure of the front rock and soil mass, a laser receiving screen (7) used for correcting deviation in real time and a laser guide instrument (8), a muddy sand water discharge pipeline (3) and a muddy sand water sedimentation filter tank (4) used for sucking and filtering muddy sand water, an intelligent water pump (10) used for performing rail-splitting pressurization according to the pressure of the front rock and soil mass and the deviation correcting direction, and a sand adding reservoir (9) used for providing uniform-granularity sand water for the controllable water speed high-pressure water disc (1);
the front end of the controllable water speed high-pressure water tray (1) is provided with an inwards concave conical groove, the outer end opening of the conical groove is provided with a small water hole fixing plate (14), the outer end surface and the surface of the conical groove of the small water hole fixing plate (14) are provided with small water holes (13), the front end of the outer side surface of the controllable water speed high-pressure water tray (1) is provided with a large water hole (12), the controllable water speed high-pressure water tray (1) is connected with a water outlet of an intelligent water pump (10) through a high-pressure water pipe (6), and a water inlet of the intelligent water pump (10) is connected with a sand adding reservoir (9);
the number of the large water holes (12) is not less than four, each group of large water holes (12) is connected with the intelligent water pump (10) through a high-pressure water pipe (6), the small water holes (13) in the small water hole fixing plates (14) and the small water holes (13) in the conical grooves are respectively connected with the intelligent water pump (10) through the high-pressure water pipes (6), the large water holes (12) are used for controlling the advancing direction, and the small water holes (13) are used for cutting rock and soil bodies;
the controllable water speed high-pressure water tray (1) is arranged at the front end of the shell (17), the resonant pressure sensor (2) is arranged at the center of the front end of the controllable water speed high-pressure water tray (1), and the rear part of the shell (17) is provided with a laser receiving screen (7) and a laser guide instrument (8);
the rear end of casing (17) sets up into pipe (19), the one end that advances pipe (19) sets up back iron (20), the output at main top hydro-cylinder (21) is installed in back iron (20), and the rear end of main top hydro-cylinder (21) is installed on back backup plate (22).
2. The large-scale high-pressure water jet automatic deviation rectifying pipe jacking device according to claim 1, characterized in that: silt particle water sedimentation filtering ponds (4), add sand cistern (9) and intelligent water pump (10) set up subaerial, silt particle water sedimentation filtering ponds (4) intercommunication adds sand cistern (9), to adding sand cistern (9) and carry the qualified silt of screening, silt particle water discharge pipe way (3) set up in casing (17) and pass and advance pipe (19) and connect silt particle water sedimentation filtering ponds (4), still set up a plurality of agitators (11) in adding sand cistern (9).
3. The large-scale high-pressure water jet automatic deviation rectifying pipe jacking device according to claim 1, characterized in that: the middle of casing (17) is equipped with center pin (5), controllable water speed high-pressure water dish (1) is connected to the one end of center pin (5), one side of center pin (5) and the inside that is located casing (17) are equipped with drive arrangement (15) and gear deceleration arresting gear (16).
4. The large-scale high-pressure water jet automatic deviation rectifying pipe jacking device according to claim 1, characterized in that: resonant mode pressure sensor (2) and laser receiving screen (7) all electric connection intelligent water pump (10), and intelligent water pump (10) are through receiving resonant mode pressure sensor (2) and the feedback signal regulation water pressure of laser receiving screen (7).
5. The large-scale high-pressure water jet automatic deviation rectifying pipe jacking device according to claim 1, characterized in that: the muddy sand water discharge pipe (3) front end connects screw conveyer (24) and delivery pump, screw conveyer (24) will be controllable fast high-pressure water dish (1) and form earth, the stone that the high pressure water jet cut out and the groundwater that meets among the excavation process and introduce muddy sand water discharge pipe (3) to arrange to muddy sand water sedimentation filtering ponds (4) through the delivery pump.
6. The construction method of the large-scale high-pressure water jet automatic deviation rectifying pipe jacking device as claimed in any one of claims 1 to 5, characterized by comprising the following steps:
the first step is as follows: constructing an initial working well and a receiving working well by adopting an open-cut reverse method, constructing a reinforced concrete bottom plate by adopting reinforced concrete on the surrounding protecting walls, and constructing a rear backup plate (22) after determining the axis of the initial working well so that the center of the backup plate coincides with the pipeline line;
the second step is that: a working well foundation pit positioning guide rail (18) is installed to serve as a shell (17) installation platform, and an accurate direction is provided for starting of the shell (17);
the third step: a main jacking oil cylinder (21) is arranged to provide power for jacking the jacking pipe (19);
the fourth step: a shell (17) is installed, a muddy sand water discharge pipeline (3), a high-pressure water pipe (6) and various pipelines are installed, and a top iron (20) is installed;
the fifth step: after the device is in place, the device starts to work, a central control console (26) starts to control a main jacking oil cylinder (21) to jack a shell (17), and meanwhile, an intelligent water pump (10) adjusts large water holes (12) and small water holes (13) on a high-pressure water disc (1) with controllable water speed through a high-pressure water pipe (6) according to data of a resonant pressure sensor (2), a laser receiving screen (7) and a laser guide instrument (8), so that high-pressure water jets with different water pressures are formed to cut rock and soil bodies and correct excavation directions of a jacking pipe in real time;
and a sixth step: after the jacking pipe transport vehicle (23) transports the jacking pipe (19) to a jacking pipe site, the jacking pipe is sequentially hoisted to the designated position of a working well foundation pit positioning guide rail (18) in a working well through a gantry crane (25), all pipelines are sequentially connected, and further jacking circulation is carried out;
the seventh step: soil and stones cut by the water speed controllable high-pressure water disc (1) and encountered underground water are conveyed to a muddy sand water discharge pipeline (3) through a screw conveyor (24), a pressure valve and a plurality of conveying pumps, and then are pumped to a muddy sand water sedimentation filter tank (4) for graded filtration, and water and sand with proper granularity are introduced into a sand adding reservoir (9) for cyclic utilization.
7. The construction method of the large-scale high-pressure water jet automatic deviation rectifying pipe jacking device according to claim 6, characterized in that: when the controllable water speed high-pressure water tray (1) is damaged, the connecting part of the controllable water speed high-pressure water tray and the shell (17) is detached and replaced for standby controllable water speed high-pressure water tray (1).
8. The construction method of the large-scale high-pressure water jet automatic deviation rectifying pipe jacking device according to claim 6, characterized in that: when the controllable water speed high-pressure water tray (1) is close to the receiving well wall for 2-3 m, the operation is suspended, and the outlet part of soil body is reinforced and then jacked again.
9. The construction method of the large-scale high-pressure water jet automatic deviation rectifying pipe jacking device according to claim 6, characterized in that: and in long-distance pipe jacking construction, a film lubricant is injected between the pipe wall of the muddy sand water discharge pipeline (3) and soil, so that the pumping resistance is reduced.
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