CN111997634A - Pipe jacking and shield tunneling integrated machine and construction method thereof - Google Patents
Pipe jacking and shield tunneling integrated machine and construction method thereof Download PDFInfo
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- CN111997634A CN111997634A CN202010757933.0A CN202010757933A CN111997634A CN 111997634 A CN111997634 A CN 111997634A CN 202010757933 A CN202010757933 A CN 202010757933A CN 111997634 A CN111997634 A CN 111997634A
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- 238000010276 construction Methods 0.000 title claims abstract description 78
- 230000005641 tunneling Effects 0.000 title claims abstract description 33
- 238000009412 basement excavation Methods 0.000 claims abstract description 51
- 238000000034 method Methods 0.000 claims abstract description 23
- 238000007599 discharging Methods 0.000 claims abstract description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 18
- 238000006243 chemical reaction Methods 0.000 claims description 12
- 230000008878 coupling Effects 0.000 claims description 9
- 238000010168 coupling process Methods 0.000 claims description 9
- 238000005859 coupling reaction Methods 0.000 claims description 9
- 229910052742 iron Inorganic materials 0.000 claims description 9
- 235000000396 iron Nutrition 0.000 claims description 3
- 239000002893 slag Substances 0.000 claims description 3
- 239000002689 soil Substances 0.000 claims description 3
- 238000007569 slipcasting Methods 0.000 claims 1
- 230000032258 transport Effects 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 4
- 230000007246 mechanism Effects 0.000 description 4
- 230000001788 irregular Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Classifications
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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
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
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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
- E21D9/005—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries by forcing prefabricated elements through the ground, e.g. by pushing lining from an access pit
-
- 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
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
- E21D9/0607—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining the shield being provided with devices for lining the tunnel, e.g. shuttering
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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
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
- E21D9/08—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield
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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
- E21D9/124—Helical conveying means therefor
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention relates to a pipe jacking and shield tunneling integrated machine and a construction method thereof, wherein the pipe jacking and shield tunneling integrated machine comprises the following steps: a chassis for securing to the bottom of the originating well; the shield device is arranged on the underframe and opposite to the excavation surface, and is used for tunneling the excavation surface and splicing the segments to form a plurality of unit rings; the propelling device is fixed at the bottom of one side of the starting well, which is far away from the excavation surface, part of the propelling device is arranged on the underframe, the propelling device and the shield device are coaxially arranged, and a pipe joint is arranged between the propelling device and the shield device and the propelling device is started so as to push the pipe joint towards the excavation surface; and the frame is arranged in the pipe joints and the unit rings and is fixedly connected with the shield device, and a pipe piece lifting machine for conveying pipe pieces to the shield device and a muck belt conveyor for discharging excavated dregs of the shield device outwards are arranged on the frame. The invention effectively solves the problems of single and inflexible existing tunnel tunneling technology, integrates the shield construction function and the pipe-jacking construction function, can flexibly use different tunneling methods, improves the construction efficiency and has strong adaptability.
Description
Technical Field
The invention relates to the field of tunnel construction, in particular to a pipe jacking and shield tunneling integrated machine and a construction method thereof.
Background
In China, the special-shaped shield machine and the pipe jacking machine rely on excellent space utilization rate, high excavation efficiency and better ground settlement control, the special-shaped shield machine and the pipe jacking machine are widely applied, the shield machine and the heading machine are two different tunnel heading modes, the special-shaped shield machine and the heading machine have respective advantages and disadvantages, the shield machine can be suitable for curve operation of small-diameter tunnels, but when the shield machine is used for assembling pipe pieces to construct on long-distance straight-line segments, the pipe pieces are assembled slowly, the whole construction speed is low, the construction efficiency is low, the pipe jacking machine is low in construction cost and high in construction speed, but is only suitable for jacking of short-distance straight-line segments, and curve operation of the small-diameter tunnels cannot be completed.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, provides the pipe-jacking and shield-constructing integrated machine and the construction method thereof, solves the problems of single and inflexible tunneling technology of the prior tunnel, integrates the shield construction function and the pipe-jacking construction function into a whole, can flexibly use different tunneling methods, improves the construction efficiency and has strong adaptability.
The technical scheme for realizing the purpose is as follows:
the invention provides a pipe jacking and shield tunneling integrated machine, which comprises:
a chassis for securing to the bottom of the originating well;
the shield device is arranged on the underframe and opposite to the excavation surface, and is used for tunneling the excavation surface and splicing the segments to form a plurality of unit rings;
the propelling device is fixed at the bottom of one side of the starting well, which is far away from the excavation surface, part of the propelling device is arranged on the underframe, the propelling device and the shield device are coaxially arranged, and a pipe joint is arranged between the propelling device and the shield device and the propelling device is started so as to push the pipe joint towards the excavation surface; and
and the frame is arranged in the pipe joint and the unit ring and is fixedly connected with the shield device, and a pipe piece lifting machine for conveying pipe pieces to the shield device and a belt conveyor for discharging dregs excavated by the shield device outwards are arranged on the frame.
The invention provides a pipe-jacking and shield-constructing integrated machine, which integrates a shield device and a propelling device, can utilize the propelling device to construct in a straight line section by using a pipe-jacking method, reduces the construction cost of the straight line section, utilizes the shield device to construct in a curved section or a complex section by adopting the shield method, can realize curve operation in a small-diameter tunnel, solves the problems of single and inflexible tunneling technology of the existing tunnel, integrates the shield construction function and the pipe-jacking construction function, can flexibly use different tunneling methods, improves the construction efficiency and has strong adaptability.
The pipe-jacking and shield-tunneling integrated machine is further improved in that the propelling device comprises a reaction frame fixed at the bottom of one side, far away from the excavation surface, of the starting well, a plurality of jacks which are fixedly arranged on the reaction frame at intervals and are in an annular shape in an enclosing manner, and a top ring which is arranged on the bottom frame and is opposite to the jacks, wherein the pipe joint is arranged on the bottom frame and is positioned between the shield-tunneling device and the top ring;
the jack is used for jacking and extending towards the excavation surface so as to drive the jacking ring to push the pipe joint towards the excavation surface.
The push pipe shield all-in-one machine is further improved in that the propelling device further comprises a plurality of U-shaped irons which are arranged on the underframe and positioned between the jack and the top ring, an opening is formed in the top of each U-shaped iron, so that a hoisting space is formed between the jack and the top ring, and the frame can be placed on the underframe through the hoisting space.
The pipe-jacking and shield-constructing integrated machine is further improved in that the shield-constructing device comprises a shell arranged on the underframe, a cutter head arranged on one side of the shell close to the excavation surface, a thrust oil cylinder arranged in the shell and used for pushing the cutter head to advance, an assembling machine arranged in the shell and used for assembling pipe pieces and a screw machine arranged in the shell and used for conveying muck;
the assembling machine is provided with a horizontal translation beam, the translation beam partially extends out of the shell, and the extending part of the translation beam is fixedly connected with the frame;
one end of the screw machine is close to the bottom of the cutter head, the other end of the screw machine extends out of the shell, and the extending part of the screw machine is positioned above the frame so as to convey the muck to the frame.
The pipe-jacking and shield all-in-one machine is further improved in that the outer diameter of the pipe joint is equal to the outer diameter of the shell, and the inner diameter of the pipe joint is equal to the inner diameter of a unit ring formed by splicing pipe pieces.
The pipe-jacking and shield-constructing integrated machine is further improved in that the section of the pipe joint is in a non-circular special shape, and the section of a unit ring formed by splicing the pipe joints is correspondingly in a non-circular special shape.
The pipe jacking and shield all-in-one machine is further improved in that a vertically arranged support column is supported in the unit ring.
The invention provides a construction method of a pipe jacking and shield all-in-one machine, which comprises the following steps:
providing the integrated machine, and fixing the integrated machine at the bottom of the originating well;
when the pipe jacking method is used for construction, a pipe joint is placed on an underframe between a shield device and a propelling device, the shield device and the propelling device are started, the propelling device pushes the pipe joint and the shield device towards an excavation surface, and the shield device excavates the excavation surface to form a construction hole, so that the pipe joint is jacked into the construction hole;
when the shield method is used for construction, duct pieces are conveyed to the shield device by using a duct piece lifting machine on the frame, the shield device is started to excavate the excavation face to form a construction hole, and the duct pieces are assembled to form a plurality of unit rings attached to the inner wall of the construction hole.
The construction method of the pipe jacking and shield all-in-one machine is further improved in that the propulsion device comprises a reaction frame, a jack arranged on the reaction frame, a top ring arranged on the underframe and opposite to the jack, and a U-shaped iron positioned between the jack and the top ring, wherein an opening is formed at the top of the U-shaped iron so as to form a hoisting space between the jack and the top ring;
and the frame is lowered to the underframe through the hoisting space.
The construction method of the pipe-jacking and shield all-in-one machine is further improved in that the shield device comprises a shell, a cutter head arranged on one side of the shell, which is close to an excavation surface, a thrust cylinder arranged in the shell, an assembling machine arranged in the shell and a screw machine arranged in the shell;
when the pipe jacking method is used for construction, a pushing oil cylinder is locked, the jack pushes the pipe piece and the shield device to push the cutter head to excavate the excavation surface, the pipe joint is pushed into a construction hole, and the screw machine conveys the muck excavated by the cutter head outwards through a belt conveyor on the frame;
when the shield method is used for construction, the jack is locked, the propulsion oil cylinder pushes the shield device to push the cutter head to excavate the excavation face, the screw machine conveys the muck excavated by the cutter head outwards through a belt conveyor on the frame, the assembling machine assembles the pipe pieces to form unit rings, and the shield device is used for grouting to fix the unit rings on the inner wall of the construction hole.
Drawings
FIG. 1 is a schematic view of the use state of the pipe jacking and shield tunneling integrated machine.
FIG. 2 is an enlarged schematic view of a middle jacking pipe part of the jacking pipe shield all-in-one machine.
FIG. 3 is a schematic cross-sectional view of a pipe joint in the pipe jacking and shield tunneling integrated machine of the invention.
FIG. 4 is a schematic cross-sectional view of a single-membered ring in the pipe jacking and shield tunneling integrated machine of the present invention.
Detailed Description
The invention is further described with reference to the following figures and specific examples.
Referring to fig. 1, the pipe-jacking and shield-constructing integrated machine and the construction method thereof provided by the invention have the advantages that the shield device and the propulsion device are integrated into a whole, the pipe-jacking construction can be carried out on the straight line section by using the propulsion device, the construction cost of the straight line section is reduced, the shield device is used for construction on the curved section or the complex section by using the shield method, the curved operation can be realized on the small-diameter tunnel, the problems of single and inflexible tunneling technology of the existing tunnel are solved, the shield construction function and the pipe-jacking construction function are integrated into a whole, different tunneling methods can be flexibly applied, the construction efficiency is improved, and the adaptability is strong. The pipe jacking and shield tunneling integrated machine of the invention is explained below with reference to the accompanying drawings.
Referring to fig. 1, fig. 1 is a schematic view of a use state of the pipe jacking and shield tunneling integrated machine of the invention. The pipe-jacking and shield-tunneling integrated machine of the invention is explained with reference to fig. 1.
As shown in fig. 1, the pipe jacking and shield tunneling integrated machine of the present invention comprises:
a chassis 13 for fixing to the bottom of the originating well;
the shield device 11 is arranged on the underframe 13 and opposite to the excavation surface, and is used for driving the excavation surface and assembling the pipe pieces 221 to form a plurality of unit rings 22;
the propelling device 12 is fixed at the bottom of one side of the starting well, which is far away from the excavation surface, and is partially arranged on the underframe 13, the propelling device 12 and the shield device 11 are coaxially arranged, and the pipe joint 21 is pushed towards the excavation surface by arranging the pipe joint 21 between the propelling device 12 and the shield device 11 and starting the propelling device 12; and
and a frame 14 which is arranged in the pipe joints 21 and the unit rings 22 and is fixedly connected with the shield device 11, wherein a pipe piece lifting machine for conveying pipe pieces 221 to the shield device 11 and a belt conveyor for discharging the residue soil excavated by the shield device 11 outwards are arranged on the frame 14.
Specifically, combine fig. 3 and fig. 4 to show, the external diameter of this pipe coupling 21 equals with the external diameter of shield structure device 11, and the internal diameter of the unit ring 22 that the internal diameter of pipe coupling 21 and section of jurisdiction 221 pieced together equals, therefore the thickness of pipe coupling 21 is greater than the thickness of section of jurisdiction 221, through the structure that changes pipe coupling 21, make the size of pipe coupling and the external diameter phase-match of shield structure device, thereby this pipe coupling 21 can be along with the shield structure device together top advance, again can with section of jurisdiction looks adaptation, make the inner wall of pipe coupling 21 and the inner wall parallel and level of the unit ring 22 that forms, junction between them can not form the boss, this kind of special construction's pipe coupling 21 can be applicable to this device.
Preferably, because the tube segments 21 have a thickness greater than the tube sheets 221, vertically disposed support columns are supported in the unit ring 22 to support the unit ring 22.
Preferably, the section of the pipe joint 21 is non-circular and irregular, and the section of the unit ring 22 formed by splicing the pipe joint 21 is correspondingly non-circular and irregular, so as to adapt to the non-circular and irregular tunnel construction.
As a preferred embodiment of the present invention, referring to fig. 2, the propulsion device 12 includes a reaction frame 121 fixed to the bottom of the side of the originating well away from the excavation surface, a plurality of jacks 122 fixed to the reaction frame 121 at intervals and enclosing in a ring shape, and a top ring 123 disposed on the bottom frame 13 and opposite to the jacks 122, wherein the pipe joint 21 is disposed on the bottom frame 13 and between the shield device 11 and the top ring 123;
the jack 122 is used for jacking and extending towards the excavation surface so as to drive the jacking ring 123 to jack the pipe joint 21 towards the excavation surface, wherein the counter-force frame 121 provides a backward leaning force for the jack 122, and the jacking ring 123 can uniformly disperse the jacking force of the jack 122 onto the pipe joint 21.
Specifically, the propulsion device 12 further comprises a plurality of U-shaped irons 124 which are arranged on the underframe 13 and located between the jack 122 and the top ring 123, an opening is formed in the top of each U-shaped iron 124, so that a hoisting space is formed between the jack 122 and the top ring 123, the frame 14 can be placed on the underframe 13 through the hoisting space, and a plurality of sections of frames 14 need to be arranged between the shield device 11 and the propulsion device 12, so that the frame 14 can be placed through the hoisting space when being added.
Further, the shield tunneling device 11 includes a casing 112 disposed on the underframe 13, a cutter disc 111 mounted on one side of the casing 112 close to the excavation surface, a thrust cylinder 113 mounted in the casing 112 and used for pushing the cutter disc 111 to advance, an assembling machine 114 mounted in the casing 112 and used for assembling segments 221, and a screw machine 115 mounted in the casing 112 and used for conveying muck;
the assembling machine 114 is provided with a horizontal translation beam 1141, the translation beam 1141 partially extends out of the shell 112, and the extending part of the translation beam 1141 is fixedly connected with the frame 13;
one end of the screw 115 is close to the bottom of the cutter disc 111 and the other end is extended outward from the housing 112, and the extended portion of the screw 115 is located above the carriage 13 to convey the waste soil to the carriage 13.
Preferably, the housing 112 of the shield apparatus 11 includes a front housing and a rear housing adjacent the impeller 111, the front housing and the rear housing being connected by an articulated cylinder.
The specific implementation method of the invention is as follows:
the integrated machine is arranged at the bottom of a starting well, and the shield device 11 is opposite to an excavation surface;
placing a pipe section 21 on a bottom frame 13 between a top ring 124 and a shield device 11, conveying a pipe piece 221 to a shield tail of the shield device 11 by using a pipe piece lifting mechanism of a frame 13, assembling the pipe piece 221 by using an assembling machine 114 to form a plurality of unit rings 22, and pushing the unit rings 22 to the pipe section 221 by using a thrust cylinder 113 so that the pipe section 221 is positioned between the unit rings 22 and the top ring 123 because the unit rings 22 are all positioned in a shell 112 of the shield tail;
firstly, excavating straight line segments, so that pipe jacking construction is adopted, a thrust cylinder 113 is locked, a jack 122 and a cutter head 111 are started, the jack 122 pushes a jacking ring 123 forwards, the jacking ring 123 pushes a pipe joint 21 and a shield device 11, the cutter head 111 excavates the excavated surface and forms a construction hole, the pipe joint 21 is pushed into the construction hole by the jack 122, and the slag excavated by the cutter head 111 is conveyed to a frame 13 through a screw conveyor 115 and then is output outwards through a belt conveyor of the frame 13;
when a complex section or a curve section is reached, construction is carried out by adopting a shield method, the pipe jacking mechanism 12 is closed, the jack 122 is locked, the hinged oil cylinder and the pushing oil cylinder 113 are started, the pushing oil cylinder 113 pushes the cutter head 111 forwards, the cutter head 111 continues to excavate the excavated surface to form a construction hole, the segments 221 are assembled by the assembling machine 114 to form the unit rings 22, and the unit rings 22 are fixed on the inner wall of the construction hole through grouting;
in the process of jacking pipe joints 21 or assembling pipe pieces 221, when the frames 14 need to be added, the newly added frames 14 are placed on the underframe 13 through the lifting space to be connected with the installed frames 14.
The invention also provides a construction method of the pipe jacking and shield all-in-one machine, which comprises the following steps:
providing the integrated machine, and fixing the integrated machine at the bottom of the originating well;
during construction by using a pipe jacking method, placing a pipe joint 21 on an underframe 13 between a shield device 11 and a propulsion device 12, starting the shield device 11 and the propulsion device 12, pushing the pipe joint 21 and the shield device 11 towards an excavation surface by the propulsion device 12, and excavating the excavation surface by the shield device 11 to form a construction hole, so that the pipe joint 21 is jacked into the construction hole;
when the shield method is used for construction, the duct piece 221 is conveyed to the shield device 11 by the duct piece lifting machine on the frame 14, the shield device 11 is started to excavate the excavation surface to form a construction hole, and the duct pieces 221 are assembled to form a plurality of unit rings 22 attached to the inner wall of the construction hole.
Further, the propulsion device 12 comprises a reaction frame 121, a jack 122 arranged on the reaction frame 121, a top ring 123 arranged on the base frame 13 and opposite to the jack 122, and a U-shaped iron 124 positioned between the jack 122 and the top ring 123, wherein an opening is formed at the top of the U-shaped iron 124 so as to form a lifting space between the jack 122 and the top ring 123;
the carriage 14 is lowered onto the under frame 13 through the lifting space.
Further, the shield device 11 comprises a shell 112, a cutter head 111 arranged on one side of the shell 112 close to the excavation surface, a thrust cylinder 113 arranged in the shell 112, an erector 114 arranged in the shell 112 and a screw machine 115 arranged in the shell 112;
when the pipe jacking method is used for construction, the pushing oil cylinder 113 is locked, the jack 122 pushes the pipe joint 21 and the shield device 11 to push the cutter head 111 to excavate the excavation surface, the pipe joint 21 is pushed into a construction hole, and the screw machine 115 conveys the muck excavated by the cutter head 111 outwards through a belt conveyor on the frame 14;
when the shield method is used for construction, the jack 122 is locked, the propulsion oil cylinder 113 pushes the shield device 11 to push the cutter head 111 to excavate the excavation surface, the screw machine 115 conveys the muck excavated by the cutter head 111 outwards through a belt conveyor on the frame 14, the assembling machine 114 assembles the pipe pieces 221 to form the unit rings 22, and the shield device 11 fixes the unit rings 22 on the inner wall of the construction hole through shield tail grouting.
The concrete operation mode of the construction method provided by the invention is as follows:
the integrated machine is arranged at the bottom of a starting well, and the shield device 11 is opposite to an excavation surface;
placing a pipe section 21 on a bottom frame 13 between a top ring 124 and a shield device 11, conveying a pipe piece 221 to a shield tail of the shield device 11 by using a pipe piece lifting mechanism of a frame 13, assembling the pipe piece 221 by using an assembling machine 114 to form a plurality of unit rings 22, and pushing the unit rings 22 to the pipe section 221 by using a thrust cylinder 113 so that the pipe section 221 is positioned between the unit rings 22 and the top ring 123 because the unit rings 22 are all positioned in a shell 112 of the shield tail;
firstly, excavating straight line segments, so that pipe jacking construction is adopted, a thrust cylinder 113 is locked, a jack 122 and a cutter head 111 are started, the jack 122 pushes a jacking ring 123 forwards, the jacking ring 123 pushes a pipe joint 21 and a shield device 11, the cutter head 111 excavates the excavated surface and forms a construction hole, the pipe joint 21 is pushed into the construction hole by the jack 122, and the slag excavated by the cutter head 111 is conveyed to a frame 13 through a screw conveyor 115 and then is output outwards through a belt conveyor of the frame 13;
when a complex section or a curve section is reached, construction is carried out by adopting a shield method, the pipe jacking mechanism 12 is closed, the jack 122 is locked, the hinged oil cylinder and the pushing oil cylinder 113 are started, the pushing oil cylinder 113 pushes the cutter head 111 forwards, the cutter head 111 continues to excavate the excavated surface to form a construction hole, the segments 221 are assembled by the assembling machine 114 to form the unit rings 22, and the unit rings 22 are fixed on the inner wall of the construction hole through grouting;
in the process of jacking pipe joints 21 or assembling pipe pieces 221, when the frames 14 need to be added, the newly added frames 14 are placed on the underframe 13 through the lifting space to be connected with the installed frames 14.
While the present invention has been described in detail and with reference to the embodiments thereof as illustrated in the accompanying drawings, it will be apparent to one skilled in the art that various changes and modifications can be made therein. Therefore, certain details of the embodiments are not to be interpreted as limiting, and the scope of the invention is to be determined by the appended claims.
Claims (10)
1. The utility model provides a push pipe shield constructs all-in-one which characterized in that includes:
a chassis for securing to the bottom of the originating well;
the shield device is arranged on the underframe and opposite to the excavation surface, and is used for tunneling the excavation surface and assembling the pipe pieces to form a plurality of unit rings;
the propelling device is fixed at the bottom of one side, far away from the excavation surface, of the originating well, is partially arranged on the underframe, is coaxially arranged with the shield device, and pushes a pipe joint towards the excavation surface by placing the pipe joint between the propelling device and the shield device and starting the propelling device; and
arrange in the tube coupling with in the unit ring and with shield structure device fixed connection's frame, install on the frame and supply to shield structure device transports the section of jurisdiction handling machine of section of jurisdiction and supplies the belt feeder of the dregs of discharging outward the shield structure device excavation.
2. The pipe-jacking and shield-tunneling integrated machine according to claim 1, wherein the propulsion device comprises a reaction frame fixed to the bottom of the originating well on the side away from the excavation surface, a plurality of jacks fixed to the reaction frame at intervals and enclosing to form a ring shape, and a top ring arranged on the underframe and opposite to the jacks, wherein the pipe joint is arranged on the underframe and between the shield-tunneling device and the top ring;
the jack is used for jacking and extending the excavation surface to drive the jacking ring to jack the pipe joints towards the excavation surface.
3. The pipe jacking and shield tunneling integrated machine according to claim 2, wherein the propulsion device further comprises a plurality of U-shaped irons arranged on the underframe and positioned between the jack and the top ring, and an opening is formed in the top of each U-shaped iron so as to form a lifting space between the jack and the top ring, so that the frame can be lowered onto the underframe through the lifting space.
4. The pipe jacking and shield tunneling integrated machine according to claim 1, wherein the shield tunneling device comprises a shell arranged on the underframe, a cutter head arranged on one side of the shell, which is close to the excavation surface, a thrust cylinder arranged in the shell and used for pushing the cutter head to advance, an assembling machine arranged in the shell and used for assembling pipe pieces, and a screw machine arranged in the shell and used for conveying slag soil;
the assembling machine is provided with a horizontal translation beam, the translation beam partially extends out of the shell, and the extending part of the translation beam is fixedly connected with the frame;
one end of the screw conveyor is close to the bottom of the cutter head, the other end of the screw conveyor extends out of the shell, and the extending part of the screw conveyor is located above the frame to convey muck to the frame.
5. The pipe jacking and shield tunneling integrated machine according to claim 4, wherein the outer diameter of the pipe sections is equal to the outer diameter of the shell, and the inner diameter of the pipe sections is equal to the inner diameter of unit rings formed by splicing the pipe pieces.
6. The pipe jacking and shield tunneling integrated machine according to claim 1, wherein the sections of the pipe joints are non-circular and special-shaped, and the sections of unit rings formed by splicing the pipe joints are correspondingly non-circular and special-shaped.
7. The pipe jacking and shield tunneling integrated machine of claim 6, wherein vertically arranged support columns are supported in the unit rings.
8. The construction method of the pipe jacking and shield tunneling integrated machine according to claim 1, characterized by comprising the following steps:
providing the all-in-one machine, and fixing the all-in-one machine at the bottom of the originating well;
when the pipe jacking method is used for construction, a pipe joint is placed on an underframe between a shield device and a propelling device, the shield device and the propelling device are started, the propelling device pushes the pipe joint and the shield device towards the excavation surface, and the shield device excavates the excavation surface to form a construction hole, so that the pipe joint is pushed into the construction hole;
when the shield method is used for construction, a segment lifting machine on the frame is used for conveying segments to the shield device, the shield device is started to excavate the excavation surface to form a construction hole, and the segments are assembled to form a plurality of unit rings attached to the inner wall of the construction hole.
9. The construction method of the pipe jacking and shield tunneling integrated machine according to claim 8, wherein the propulsion device comprises a reaction frame, a jack arranged on the reaction frame, a top ring arranged on an underframe and opposite to the jack, and U-shaped iron positioned between the jack and the top ring, wherein an opening is formed at the top of the U-shaped iron so as to form a lifting space between the jack and the top ring;
and the frame is placed on the underframe through the hoisting space.
10. The construction method of the pipe jacking and shield tunneling integrated machine according to claim 9, wherein the shield device comprises a shell, a cutter head mounted on one side of the shell close to the excavation surface, a thrust cylinder mounted in the shell, an erector mounted in the shell and a screw machine mounted in the shell;
when the pipe jacking method is used for construction, the pushing oil cylinder is locked, the jack jacks the pipe joint and the shield device so as to push the cutter head to excavate the excavation surface, the pipe joint is pushed into the construction hole, and the screw machine conveys the muck excavated by the cutter head outwards through the frame;
when utilizing the shield to construct, the locking jack, the propulsion cylinder top pushes away the shield structure device, in order to push away the blade disc excavation face, just the screw machine will the dregs of blade disc excavation pass through belt feeder on the frame is outwards carried, the section of jurisdiction is assembled in order to form to the erector unit ring, just the shield constructs the device slip casting and will the unit ring is fixed in the inner wall of construction hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN113153329A (en) * | 2021-04-08 | 2021-07-23 | 江苏锐成机械有限公司 | Main operation unit of high-level waste disposal pit tunneling system |
| CN113236274A (en) * | 2021-06-29 | 2021-08-10 | 安徽唐兴机械装备有限公司 | Propulsion system suitable for long-distance operation |
| CN113944470A (en) * | 2021-10-18 | 2022-01-18 | 中国一冶集团有限公司 | Large-scale conveyer for push pipe |
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| CN113944470B (en) * | 2021-10-18 | 2023-05-16 | 中国一冶集团有限公司 | Large-scale conveyer for push pipe |
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| CN111997634B (en) | 2022-08-26 |
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