CN112283446A - Reinforced concrete jacking pipe and processing technology thereof - Google Patents
Reinforced concrete jacking pipe and processing technology thereof Download PDFInfo
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- CN112283446A CN112283446A CN202011177026.5A CN202011177026A CN112283446A CN 112283446 A CN112283446 A CN 112283446A CN 202011177026 A CN202011177026 A CN 202011177026A CN 112283446 A CN112283446 A CN 112283446A
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- 239000011150 reinforced concrete Substances 0.000 title claims abstract description 146
- 238000005516 engineering process Methods 0.000 title claims abstract description 14
- 238000012545 processing Methods 0.000 title claims abstract description 13
- 238000007789 sealing Methods 0.000 claims abstract description 100
- 238000003780 insertion Methods 0.000 claims abstract description 61
- 230000037431 insertion Effects 0.000 claims abstract description 61
- 230000008093 supporting effect Effects 0.000 claims description 35
- 229910000831 Steel Inorganic materials 0.000 claims description 33
- 239000010959 steel Substances 0.000 claims description 33
- 238000003466 welding Methods 0.000 claims description 24
- 230000003014 reinforcing effect Effects 0.000 claims description 22
- 238000009434 installation Methods 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 17
- 239000004567 concrete Substances 0.000 claims description 15
- 239000004568 cement Substances 0.000 claims description 4
- 238000005119 centrifugation Methods 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 3
- 238000007667 floating Methods 0.000 claims description 3
- 230000036571 hydration Effects 0.000 claims description 3
- 238000006703 hydration reaction Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 229920013716 polyethylene resin Polymers 0.000 claims description 3
- 239000002002 slurry Substances 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 28
- 210000001503 joint Anatomy 0.000 description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 239000002689 soil Substances 0.000 description 7
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 5
- 239000010410 layer Substances 0.000 description 5
- 230000007547 defect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000003754 machining Methods 0.000 description 3
- 206010040007 Sense of oppression Diseases 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000005641 tunneling Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L1/00—Laying or reclaiming pipes; Repairing or joining pipes on or under water
- F16L1/024—Laying or reclaiming pipes on land, e.g. above the ground
- F16L1/028—Laying or reclaiming pipes on land, e.g. above the ground in the ground
- F16L1/036—Laying or reclaiming pipes on land, e.g. above the ground in the ground the pipes being composed of sections of short length
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
- E03F3/02—Arrangement of sewer pipe-lines or pipe-line systems
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
- E03F3/04—Pipes or fittings specially adapted to sewers
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
- E03F3/06—Methods of, or installations for, laying sewer pipes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L1/00—Laying or reclaiming pipes; Repairing or joining pipes on or under water
- F16L1/024—Laying or reclaiming pipes on land, e.g. above the ground
- F16L1/06—Accessories therefor, e.g. anchors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L37/00—Couplings of the quick-acting type
- F16L37/08—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members
- F16L37/084—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking
- F16L37/086—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking by means of latching members pushed radially by spring-like elements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L37/00—Couplings of the quick-acting type
- F16L37/22—Couplings of the quick-acting type in which the connection is maintained by means of balls, rollers or helical springs under radial pressure between the parts
- F16L37/23—Couplings of the quick-acting type in which the connection is maintained by means of balls, rollers or helical springs under radial pressure between the parts by means of balls
Abstract
The invention discloses a reinforced concrete jacking pipe and a processing technology thereof, belonging to the technical field of pipe processing. According to the invention, under the mutual matching of the designed structures such as the connecting insertion pipe, the inserting type mounting groove, the elastic connecting piece, the first bridge type sealing piece and the second bridge type sealing piece, the first bridge type sealing piece and the elastic connecting piece, when two adjacent reinforced concrete pipe jacking main bodies are butted, as the outer diameter size of the side edge of the second bridge type sealing piece is far smaller than the inner diameter size of the inserting type mounting groove, the butting operation can be more smooth, the construction difficulty is reduced, the construction efficiency of workers is effectively improved, the sealing performance between the two adjacent reinforced concrete pipe jacking main bodies can be improved, and the stability between the two reinforced concrete pipe jacking main bodies can be improved.
Description
Technical Field
The invention belongs to the technical field of pipe machining, and particularly relates to a reinforced concrete jacking pipe and a machining process thereof.
Background
The pipe jacking technology is a trenchless tunneling type pipeline laying construction technology for municipal construction, has the advantages of no influence on the surrounding environment or smaller influence, small construction site and low noise, and can go deep into the underground operation, which is an incomparable advantage of trenching and pipe burying, but has the defects of longer construction time, high construction cost and the like.
The reinforced concrete pipe jacking is a blow-off pipe formed by stirring cement, reinforcing steel bars, sand, stones and the like serving as raw materials by a centrifugal machine, is mainly used for drainage tasks such as urban rainwater, sewage or farmland irrigation and drainage, is a non-excavation tunneling type pipe jacking technology for municipal construction, and has the advantages of no influence on the surrounding environment or less influence, small construction site, low noise and capability of deep underground operation, which is an incomparable advantage of excavation and pipe burying, but the pipe jacking technology also has the defects of long construction time, high engineering cost and the like.
The pipe jacking construction is a construction method of underground pipelines developed after shield construction, which does not need to excavate a surface layer and can pass through roads, railways, rivers, ground buildings, underground structures, various underground pipelines and the like, however, the currently used reinforced concrete pipe jacking still has some defects in the use construction process, the side end surface of the reinforced concrete pipe jacking is usually designed into a plane structure, so that the resistance along the advancing direction is larger, and when the reinforced concrete pipe jacking is butted with the installed reinforced concrete pipe jacking, the caliber between the reinforced concrete pipe jacking and the installed reinforced concrete pipe jacking is the same, and the butting work is difficult due to the fact that the deviation of the lower range is easy to occur in the insertion process, so that a reinforced concrete pipe jacking and a processing technology thereof are urgently needed in the market at the present stage to solve the problems.
Disclosure of Invention
The invention aims to: the reinforced concrete jacking pipe and the processing technology thereof are provided in order to solve the problems that the conventional reinforced concrete jacking pipe still has some defects in the using and construction process, the side end face of the reinforced concrete jacking pipe is usually designed into a plane structure, so that the resistance along the advancing direction is large, and when the reinforced concrete jacking pipe is butted with the installed reinforced concrete jacking pipe, the reinforced concrete jacking pipe and the installed reinforced concrete jacking pipe are difficult to butt because the caliber of the reinforced concrete jacking pipe is the same and the lower range deviation is easy to occur in the inserting process.
In order to achieve the purpose, the invention adopts the following technical scheme:
a reinforced concrete pipe jacking comprises a reinforced concrete pipe jacking main body, wherein reinforced bar anchor rods, outer reinforced bar rings and inner expanded reinforced bar rings are respectively arranged inside the reinforced concrete pipe jacking main body, the inner expanded reinforced bar rings are positioned on the inner side wall of an annular net formed by a plurality of reinforced bar anchor rods, the outer reinforced bar rings are not positioned on the outer side wall of the annular net, a connecting insertion pipe is arranged on the side end face of the reinforced concrete pipe jacking main body, a first bridge type sealing piece is arranged at the position, corresponding to the connecting insertion pipe, of the side end face of the reinforced concrete pipe jacking main body, an elastic connecting piece is fixedly connected to one side, away from the reinforced concrete pipe jacking main body, of the elastic connecting piece, a second bridge type sealing piece is arranged on one side, away from the reinforced concrete pipe jacking main body, the inner side wall of the position of the second bridge type, connect the intubate surface and correspond the position of first bridge type gasket and second bridge type gasket and seted up flexible groove, the inside sliding connection in flexible groove has the location axle, and the tip of a plurality of location axle is connected with the one side that first bridge type gasket or second bridge type gasket are close respectively, the other end of location axle and the close one end fixed connection of first supporting spring, the other end of first supporting spring and the terminal surface fixed connection of flexible inslot side.
As a further description of the above technical solution:
the quantity of interior inflation reinforcing bar circle is a plurality of, and the distance between two adjacent interior inflation reinforcing bar circles equals, the quantity of outer reinforcing bar circle is a plurality of, and the distance between two adjacent outer reinforcing bar circles equals, outer reinforcing bar circle and interior inflation reinforcing bar circle crisscross align to grid each other and set up.
As a further description of the above technical solution:
the splicing groove is formed in one surface, close to the reinforced concrete jacking pipe main body, of the connecting insertion pipe, the reinforcing steel bar anchor rod is located in the splicing groove, the inner portion of the splicing groove is in a splicing relation with the outer side wall of the reinforcing steel bar anchor rod, and the connecting insertion pipe is in a welding relation with the reinforcing steel bar anchor rod.
As a further description of the above technical solution:
the supporting rollers are arranged on the inner sides of the second bridge type sealing piece and the elastic connecting frame, the side end faces of the supporting rollers are fixedly connected with telescopic shafts, the telescopic shafts are located in connecting grooves formed in the side end faces of the reinforced concrete jacking pipe main body, and the end faces of the inner sides of the connecting grooves are fixedly connected with one ends, close to the telescopic shafts, of the second bridge type sealing pieces through second supporting springs.
As a further description of the above technical solution:
the reinforced concrete pipe jacking main body is provided with an insertion type mounting groove at one end far away from the connecting insertion pipe, and positioning grooves are respectively formed in the inner side wall of the insertion type mounting groove at positions corresponding to the positioning shafts.
As a further description of the above technical solution:
the side-looking cross-sectional shapes of the insertion type mounting groove and the connecting insertion pipe are the same, and the depth of the groove wall of the insertion type mounting groove is equal to the sum of the thickness of the connecting insertion pipe and the thickness of the second bridge type sealing piece.
As a further description of the above technical solution:
the reinforced concrete jacking pipe main body and the first bridge type sealing piece support are in a welding relation, an anti-corrosion layer is sprayed at the welding position between the reinforced concrete jacking pipe main body and the first bridge type sealing piece support, the anti-corrosion layer is made of polyethylene resin, and the thickness of the anti-corrosion layer is 3-5 mm.
As a further description of the above technical solution:
the steel bar anchor rod and the outer steel bar ring are connected or welded through iron wires, and the steel bar anchor rod and the inner expansion steel bar ring are connected or welded through iron wires.
As a further description of the above technical solution:
the space spatial structure that first bridge type gasket, elastic connecting piece and second bridge type gasket enclosed is the round platform stake to the slope ratio of the space spatial structure that first bridge type gasket, elastic connecting piece and second bridge type gasket enclosed is 1: 7.
as a further description of the above technical solution:
the method comprises the following process flows:
step S1: manufacturing a steel bar framework, and respectively fixing a plurality of outer steel bar rings and a plurality of inner spraying tension steel bar rings on a steel bar anchor rod in a welding or steel wire binding mode, wherein the welding mode can adopt a roll welding forming process or a manual welding forming process;
step S2: placing the manufactured steel bar framework in a pipe die coated with a release agent, placing the pipe die on a centrifuge, adding concrete into the pipe die, opening the centrifuge until a basic concrete pipe is centrifugally formed, and cleaning floating slurry on the inner wall of the drain pipe generated by centrifugation;
step S3: placing the concrete pipe in a curing pool for a period of time after the concrete pipe is poured and before the steam curing is started, wherein the period mainly ensures that cement in the concrete is hydrated to a certain extent under the action of hydration and has certain strength, then performing steam curing,
step S4: then, fixing the connecting pipeline provided with the inserting grooves on the reinforced concrete anchor rod, arranging connecting grooves on the side end faces of the reinforced concrete push pipe main body according to the number of the first bridge type sealing pieces, and fixedly installing second supporting springs provided with telescopic shafts in the connecting grooves after the installation work of the connecting inserting pipes is finished;
step S5: and then welding the second bridge type sealing piece, the elastic connecting piece and the first bridge type sealing piece on the side end face of the reinforced concrete jacking pipe.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. in the invention, through the mutual matching of the designed connecting insertion pipe, the inserting type mounting groove, the elastic connecting piece, the first bridge type sealing piece and the second bridge type sealing piece, the first bridge type sealing piece, the elastic connecting piece and the like, the power value consumed when the reinforced concrete pipe jacking main body is arranged underground can be reduced to a certain extent, the installation cost of the reinforced concrete pipe jacking main body is reduced, and when two adjacent reinforced concrete pipe jacking main bodies are in butt joint, since the outer diameter of the side edge of the second bridge sealing plate is far smaller than the inner diameter of the insertion type mounting groove, the butt joint device has the advantages that the butt joint device can be more smooth during butt joint, construction difficulty is reduced, construction efficiency of workers is effectively improved, sealing performance between two adjacent reinforced concrete pipe jacking main bodies can be improved, and stability between the two reinforced concrete pipe jacking main bodies can be improved.
2. According to the invention, through the designed connecting insertion pipe and the inserting type installation groove, one end of the reinforced concrete pipe jacking main body is provided with the connecting insertion pipe, and the other end of the reinforced concrete pipe jacking main body is provided with the inserting type installation groove matched with the connecting insertion pipe, so that when the reinforced concrete pipe jacking main bodies are sequentially inserted into the ground, the adjacent two reinforced concrete pipe jacking main bodies are in an inserting type connection relation, all the reinforced concrete pipe jacking main bodies are connected in series to form a straight line after construction, and the direction is stable.
3. In the invention, through the designed elastic connecting piece, the first bridge type sealing piece and the second bridge type sealing piece, the spatial three-dimensional structure enclosed by the second bridge type sealing piece, the first bridge type sealing piece and the elastic connecting piece seat is in a circular truncated cone shape, the side surface is an inclined surface, compared with the longitudinal cross section, the side surface has certain guiding capability, the resistance value of soil to the side end surface of the reinforced concrete top main body can be reduced, the power value consumed when the reinforced concrete pipe jacking main body is arranged underground can be reduced to a certain extent, the installation cost of the reinforced concrete pipe jacking main body is reduced, and when two adjacent reinforced concrete pipe jacking main bodies are in butt joint, since the outer diameter of the side edge of the second bridge sealing plate is far smaller than the inner diameter of the insertion type mounting groove, the butt joint device has the advantages that the butt joint can be more smooth during butt joint, the construction difficulty is reduced, and the construction efficiency of workers is effectively improved.
4. According to the invention, through the designed connecting insertion pipe, the insertion type mounting groove, the elastic connecting piece, the second bridge type sealing piece, the first bridge type sealing piece, the positioning shaft, the first supporting spring and the positioning groove, when two adjacent reinforced concrete push pipe main bodies are butted, the second bridge type sealing piece is subjected to the thrust action and can be tightly attached to the surface of the connecting insertion pipe, the angle between the second bridge type sealing piece and the first bridge type sealing piece is changed through the elastic connecting piece, and the first bridge type sealing piece is tightly attached to the side end face of the reinforced concrete push pipe main body under the thrust action, so that the sealing performance between the two adjacent reinforced concrete push pipe main bodies can be improved, and the stability between the two reinforced concrete push pipe main bodies can also be improved.
5. According to the invention, through the designed first supporting spring, the positioning shaft and the positioning groove, the second elastic sealing sheet can move a certain distance in the direction of the first elastic sealing sheet under the action of thrust, when the positioning shaft is subjected to the compression force of the second bridge type sealing sheet, the positioning shaft is extended out of the telescopic groove under the action of the spring elasticity and can finally enter the corresponding positioning groove, the stability between two adjacent reinforced concrete pipe jacking main bodies can be improved to a higher degree, the separation between the two reinforced concrete pipe jacking main bodies due to factors such as vibration and the like is avoided, and the sealing performance between the two reinforced concrete pipe jacking main bodies is ensured.
6. According to the invention, through the designed second supporting spring, the supporting roller, the telescopic shaft and the connecting groove, the supporting roller has a supporting effect on the second bridge type sealing piece, the elastic connecting piece and the first bridge type sealing piece through the elasticity of the second supporting spring, so that the deformation of the supporting roller when the supporting roller is subjected to the resistance of soil is avoided.
7. According to the invention, the designed insertion groove is used for ensuring the connection area required by the connection of the connection insertion pipe and the steel bar anchor rod, and the stability of the external connection insertion pipe is effectively improved.
Drawings
FIG. 1 is a schematic perspective view of a reinforced concrete jacking pipe and a processing technique thereof according to the present invention;
FIG. 2 is a schematic view of a combined structure between a reinforced concrete jacking pipe main body and a connecting insertion pipe in the reinforced concrete jacking pipe and the processing technology thereof provided by the invention;
FIG. 3 is a schematic perspective view of a reinforced concrete pipe jacking and a connecting pipe in the processing technology thereof according to the present invention;
FIG. 4 is a schematic perspective view of a reinforced concrete top tube and a first bridge type sealing piece and a second bridge type sealing piece in the processing technology of the reinforced concrete top tube;
FIG. 5 is a schematic view of an elevational cross-sectional structure of a reinforced concrete jacking pipe and a machining process thereof according to the present invention;
FIG. 6 is an enlarged schematic structural view of the reinforced concrete jacking pipe and the processing technique thereof at A;
FIG. 7 is a schematic view of a three-dimensional structure of a reinforced concrete jacking pipe and a positioning shaft in the processing technology thereof.
Illustration of the drawings:
1. a reinforced concrete pipe jacking main body; 2. a steel bar anchor rod; 3. an outer steel ring; 4. an inner expansion reinforcing steel bar ring; 5. connecting the cannula; 6. inserting grooves; 7. an elastic connecting member; 8. a second bridge seal piece; 9. positioning the shaft; 10. a telescopic groove; 11. a first support spring; 12. a support roller; 13. a telescopic shaft; 14. connecting grooves; 15. a second support spring; 16. an insertion type mounting groove; 17. positioning a groove; 18. a first bridge seal piece.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, the present invention provides a technical solution: a reinforced concrete pipe jacking comprises a reinforced concrete pipe jacking main body 1, wherein reinforced bar anchor rods 2, outer reinforced bar rings 3 and inner expanded reinforced bar rings 4 are respectively arranged inside the reinforced concrete pipe jacking main body, the inner expanded reinforced bar rings 4 are positioned on the inner side wall of an annular net formed by a plurality of reinforced bar anchor rods 2, the outer reinforced bar rings 3 are not positioned on the outer side wall of the annular net, a connecting insertion pipe 5 is arranged on the side end surface of the reinforced concrete pipe jacking main body 1, a first bridge type sealing sheet 18 is arranged at the position, corresponding to the connecting insertion pipe 5, of the side end surface of the reinforced concrete pipe jacking main body 1, an elastic connecting piece 7 is fixedly connected to one surface, far away from the reinforced concrete pipe jacking main body 1, of the first bridge type sealing sheet 18, an elastic connecting piece 7 is fixedly connected, and a spatial three-dimensional structure formed by the designed elastic connecting piece 7, the first bridge type sealing sheet 18 and a second bridge type sealing sheet, the side surface of the reinforced concrete push pipe main body is an inclined surface, compared with a longitudinal cross section, the reinforced concrete push pipe main body has certain guiding capacity, the resistance value of soil to the side end surface of the reinforced concrete top main body can be reduced, the power value required to be consumed when the reinforced concrete push pipe main body 1 is installed underground can be reduced to a certain degree, the installation cost of the reinforced concrete push pipe main body 1 is reduced, when two adjacent reinforced concrete push pipe main bodies 1 are butted, because the outer diameter size of the side edge of the second bridge type sealing piece 8 is far smaller than the inner diameter size of the inserting type installation groove 16, the butting work can be smoother, the construction difficulty is reduced, the construction efficiency of workers is effectively improved, the second bridge type sealing piece 8 is arranged on one side of the elastic connecting piece 7 far away from the reinforced concrete push pipe main body 1, the inner side wall of the part of the second bridge type sealing piece 8 is, through the designed connecting insertion pipe 5, the insertion type mounting groove 16, the elastic connecting piece 7, the second bridge type sealing piece 8, the first bridge type sealing piece 18, the positioning shaft 9, the first supporting spring 11 and the positioning groove 17, when the adjacent two reinforced concrete push pipe main bodies 1 are in butt joint, the second bridge type sealing piece 8 is tightly attached to the surface of the connecting insertion pipe 5 under the action of thrust, the angle between the second bridge type sealing piece 8 and the first bridge type sealing piece 18 is changed through the elastic connecting piece 7, under the action of thrust, the first bridge type sealing piece 18 is tightly attached to the side end face of the reinforced concrete push pipe main body 1, the sealing performance between the adjacent two reinforced concrete push pipe main bodies 1 can be improved, the stability between the two reinforced concrete push pipe main bodies can also be improved, the telescopic groove 10 is formed in the position, corresponding to the first bridge type sealing piece 18 and the second bridge type sealing piece 8, the inside sliding connection of telescopic slot 10 has location axle 9, and the tip of several location axles 9 is connected with the one side that first bridge type gasket 18 or second bridge type gasket 8 are close respectively, the other end of location axle 9 and the one end fixed connection that first supporting spring 11 is close, through the first supporting spring 11 that designs, location axle 9 and constant head tank 17, the second elastic gasket receives the thrust effect and can move a distance to the direction of first elastic gasket, when the location axle 9 receives the oppression power that is set for second bridge type gasket 8, location axle 9 receives the spring force effect and stretches out from telescopic slot 10, and can finally get into corresponding constant head tank 17, can improve the stability between two adjacent reinforced concrete main parts 1 in a higher degree, avoid between the two and take place to break away from because of factors such as vibrations, guarantee sealing performance between the two, the other end of the first supporting spring 11 is fixedly connected with the end surface of the inner side of the telescopic groove 10.
Specifically, as shown in fig. 5, the number of the inner expansion reinforcing rings 4 is several, the distance between two adjacent inner expansion reinforcing rings 4 is equal, the number of the outer reinforcing rings 3 is several, the distance between two adjacent outer reinforcing rings 3 is equal, and the outer reinforcing rings 3 and the inner expansion reinforcing rings 4 are arranged in a staggered and uniform manner.
Specifically, as shown in fig. 5, the inserting groove 6 has been seted up to the one side that connects intubate 5 to be close to reinforced concrete push pipe main part 1, and reinforcing bar stock 2 is located inserting groove 6, and for the relation of splicing between the inside of inserting groove 6 and the lateral wall of reinforcing bar stock 2, and connect for the welding relation between intubate 5 and the reinforcing bar stock 2, inserting groove 6 through the design for the required connection area is connected with reinforcing bar stock 2 to the assurance, effectively improved as external connection and connected intubate 5's stability.
Specifically, as shown in fig. 5, a supporting roller 12 is disposed inside the second bridge-type sealing piece 8 and the elastic connection frame, a telescopic shaft 13 is fixedly connected to a side end face of the supporting roller 12, the telescopic shaft 13 is located in a connection groove 14 formed in a side end face of the reinforced concrete jacking pipe body 1, an end face inside the connection groove 14 is fixedly connected to one end of the telescopic shaft 13 close to the end face of the reinforced concrete jacking pipe body through a second supporting spring 15, and the supporting roller 12, the telescopic shaft 13 and the connection groove 14 are designed to support the second bridge-type sealing piece 8, the elastic connection member 7 and the first bridge-type sealing piece 18 through the elasticity of the second supporting spring 15, so as to prevent the supporting roller from being deformed when being subjected to resistance from soil.
Specifically, as shown in fig. 5, an insertion type mounting groove 16 is formed in one end, which is far away from the connection insertion tube 5, of the reinforced concrete pipe jacking main body 1, positioning grooves 17 are formed in positions, corresponding to the positioning shafts 9, of inner side walls of the insertion type mounting groove 16, positioning grooves 17 are formed in the positions, through design, of the first supporting springs 11, the positioning shafts 9 and the positioning grooves 17, the second elastic sealing sheets can move for a certain distance in the direction of the first elastic sealing sheets under the action of thrust, when the positioning shafts 9 receive the compression force, which is about to the second bridge type sealing sheets 8, the positioning shafts 9 are extended out of the telescopic grooves 10 under the action of spring force, and can finally enter the corresponding positioning grooves 17, the stability between the two adjacent reinforced concrete pipe jacking main bodies 1 can be improved to a higher degree, the separation between the two reinforced concrete pipe jacking main bodies due.
Specifically, as shown in fig. 5, the side-looking cross-sectional shapes of the insertion-type installation groove 16 and the connection insertion tube 5 are the same, and the depth of the groove wall of the insertion-type installation groove 16 is equal to the sum of the thickness of the connection insertion tube 5 and the thickness of the second bridge-type sealing piece 8, through the designed connection insertion tube 5 and insertion-type installation groove 16, the connection insertion tube 5 is arranged at one end of the reinforced concrete pipe jacking main body 1, and the insertion-type installation groove 16 matched with the connection insertion tube 5 is formed at the other end of the reinforced concrete pipe jacking main body 1, so that when the reinforced concrete pipe jacking main body 1 is sequentially inserted underground, the insertion-type connection relationship exists between two adjacent reinforced concrete pipe jacking main bodies 1, after construction, all.
Specifically, as shown in fig. 5, the reinforced concrete push pipe main body 1 and the first bridge type sealing piece 18 are in a welding relationship, a corrosion-proof layer is sprayed at the welding position between the reinforced concrete push pipe main body and the first bridge type sealing piece 18, the corrosion-proof layer is made of polyethylene resin and has a thickness of 3-5mm, and by designing the first bridge type sealing piece 18 and the second bridge type sealing piece 8, the spatial three-dimensional structure formed by the seat of the second bridge type sealing piece 8, the first bridge type sealing piece 18 and the elastic connecting piece 7 is in a circular truncated cone shape, the side surface of the spatial three-dimensional structure is an inclined surface, compared with the longitudinal cross section, the space has a certain guiding capability, the resistance value of soil to the side end surface of the reinforced concrete push pipe main body on the top end can be reduced, so that the power value required to be consumed when the reinforced concrete push pipe main body 1 is installed underground can be reduced to a certain extent, the installation cost of, the outer diameter of the side edge of the second bridge type sealing piece 8 is far smaller than the inner diameter of the insertion type mounting groove 16, so that the butt joint operation is smoother, the construction difficulty is reduced, and the construction efficiency of workers is effectively improved.
Specifically, as shown in fig. 5, the steel bar anchor rod 2 and the outer steel bar ring 3 are connected or welded by iron wires, and the steel bar anchor rod 2 and the inner expansion steel bar ring 4 are connected or welded by iron wires.
Specifically, as shown in fig. 5, the spatial three-dimensional structure surrounded by the first bridge-type sealing piece 18, the elastic connecting piece 7, and the second bridge-type sealing piece 8 is a circular truncated cone pile, and the gradient ratio of the spatial three-dimensional structure surrounded by the first bridge-type sealing piece 18, the elastic connecting piece 7, and the second bridge-type sealing piece 8 is 1: 7.
specifically, the method comprises the following process flows:
step S1: manufacturing a steel bar framework, and respectively fixing a plurality of outer steel bar rings 3 and a plurality of inner sprayed tension steel bar rings on a steel bar anchor rod 2 in a welding or steel wire binding mode, wherein the welding mode can adopt a roll welding forming process or a manual welding forming process;
step S2: placing the manufactured steel bar framework in a pipe die coated with a release agent, placing the pipe die on a centrifuge, adding concrete into the pipe die, opening the centrifuge until a basic concrete pipe is centrifugally formed, and cleaning floating slurry on the inner wall of the drain pipe generated by centrifugation;
step S3: placing the concrete pipe in a curing pool for a period of time after the concrete pipe is poured and before the steam curing is started, wherein the period mainly ensures that cement in the concrete is hydrated to a certain extent under the action of hydration and has certain strength, then performing steam curing,
step S4: then, fixing the connecting pipeline provided with the inserting groove 6 on the reinforced concrete anchor rod 2, before that, arranging a connecting groove 14 on the side end surface of the reinforced concrete push pipe main body 1 according to the number of the first bridge type sealing pieces 18, and after the installation work of the connecting inserting pipe 5 is completed, fixedly installing a second supporting spring 15 provided with a telescopic shaft 13 in the connecting groove 14;
step S5: and then welding the second bridge type sealing piece 8, the elastic connecting piece 7 and the first bridge type sealing piece 18 on the side end face of the reinforced concrete jacking pipe.
The working principle is as follows: when the reinforced concrete push pipe main body 1 is used, one end of the reinforced concrete push pipe main body 1 is provided with the connecting insertion pipe 5, the other end of the reinforced concrete push pipe main body is provided with the insertion type installation groove 16 matched with the connecting insertion pipe 5, when the reinforced concrete push pipe main body 1 is sequentially inserted into the ground, the adjacent two reinforced concrete push pipe main bodies 1 are in insertion type connection relation, all the reinforced concrete push pipe main bodies 1 are strung together after construction to form a straight line, the direction is stable, the spatial three-dimensional structure formed by the second bridge type sealing piece 8, the first bridge type sealing piece 18 and the elastic connecting piece 7 is in a circular truncated cone shape, the side surface of the spatial three-dimensional structure is an inclined surface, compared with a longitudinal cross section, the reinforced concrete push pipe main body has certain guiding capacity, the resistance value of soil to the side end surface of the reinforced concrete push pipe main body can be reduced, the installation cost of the reinforced concrete push pipe main body 1 is reduced, when two adjacent reinforced concrete push pipe main bodies 1 are butted, the outer diameter size of the side edge of the second bridge type sealing piece 8 is far smaller than the inner diameter size of the insertion type installation groove 16, so that the butting work can be smoother, the construction difficulty is reduced, and the construction efficiency of workers is effectively improved, when two adjacent reinforced concrete push pipe main bodies 1 are butted, the second bridge type sealing piece 8 is subjected to the thrust action and can be tightly attached to the surface of the connecting insertion pipe 5, the angle between the second bridge type sealing piece 8 and the first bridge type sealing piece 18 is changed through the elastic connecting piece 7, under the thrust action, the first bridge type sealing piece 18 is tightly attached to the side end face of the reinforced concrete push pipe main body 1, and the sealing performance between the two adjacent reinforced concrete push pipe main bodies 1 can be improved, can also improve stability between the two, the second elasticity gasket receives thrust effect can remove one section distance to the direction of first elasticity gasket, when the orientation shaft 9 receives when arriving as the oppression power of second bridge type gasket 8, the orientation shaft 9 is visited out by flexible inslot 10 by spring force effect, and enough finally get into in the constant head tank 17 that corresponds, can improve the stability between two adjacent reinforced concrete push pipe main parts 1 in higher degree, avoid between the two because of receiving factors such as vibrations and taking place to break away from, guarantee sealing performance between the two, backing roll 12 is to second bridge type gasket 8 through the elasticity of second supporting spring 15, elastic connecting piece 7 and first bridge type gasket 18 play the supporting effect, avoid it to receive the resistance as for soil when taking place deformation.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.
Claims (10)
1. The reinforced concrete pipe jacking device comprises a reinforced concrete pipe jacking main body (1) and is characterized in that reinforced concrete anchor rods (2), outer reinforced rings (3) and inner expanded reinforced rings (4) are arranged inside the reinforced concrete pipe jacking main body respectively, the inner expanded reinforced rings (4) are located on the inner side wall of an annular net surrounded by a plurality of reinforced concrete anchor rods (2), the outer reinforced rings (3) are not located on the outer side wall of the annular net, a connecting insertion pipe (5) is arranged on the side end face of the reinforced concrete pipe jacking main body (1), a first bridge type sealing piece (18) is arranged at the position, corresponding to the connecting insertion pipe (5), of the side end face of the reinforced concrete pipe jacking main body (1), an elastic connecting piece (7) is fixedly connected to one face, far away from the reinforced concrete pipe jacking main body (1), of the elastic connecting piece (7) is provided with a second bridge type sealing piece (3) 8) The utility model discloses a joint, the position inside wall of second bridge type gasket (8) is connected with the lateral wall of being connected intubate (5), flexible groove (10) have been seted up to the position of connecting intubate (5) surface correspondence first bridge type gasket (18) and second bridge type gasket (8), the inside sliding connection of flexible groove (10) has location axle (9), and the tip of a plurality of location axle (9) is connected with the one side that first bridge type gasket (18) or second bridge type gasket (8) are close respectively, the other end of location axle (9) is connected with the one end fixed connection that first supporting spring (11) are close, the other end of first supporting spring (11) and the inboard terminal surface fixed connection of flexible groove (10).
2. A reinforced concrete pipe jacking according to claim 1, wherein said inner expansion reinforcing rings (4) are provided in number, and the distance between two adjacent inner expansion reinforcing rings (4) is equal, said outer reinforcing rings (3) are provided in number, and the distance between two adjacent outer reinforcing rings (3) is equal, and said outer reinforcing rings (3) and said inner expansion reinforcing rings (4) are arranged in staggered and uniform arrangement with each other.
3. The reinforced concrete pipe jacking according to claim 2, wherein one surface of the connecting insertion pipe (5) close to the reinforced concrete pipe jacking body (1) is provided with an insertion groove (6), the reinforced concrete anchor rod (2) is positioned in the insertion groove (6), the inside of the insertion groove (6) is in a bonding relation with the outer side wall of the reinforced concrete anchor rod (2), and the connecting insertion pipe (5) is in a welding relation with the reinforced concrete anchor rod (2).
4. The reinforced concrete push pipe as claimed in claim 3, wherein a supporting roller (12) is arranged on the inner side of the second bridge type sealing piece (8) and the elastic connecting frame, a telescopic shaft (13) is fixedly connected to the side end face of the supporting roller (12), the telescopic shaft (13) is located in a connecting groove (14) formed in the side end face of the reinforced concrete push pipe body (1), and the end face of the inner side of the connecting groove (14) is fixedly connected with one end, close to the telescopic shaft (13), through a second supporting spring (15).
5. The reinforced concrete pipe jacking according to claim 4, wherein an insertion type mounting groove (16) is formed in one end of the reinforced concrete pipe jacking main body (1) far away from the connecting insertion pipe (5), and positioning grooves (17) are respectively formed in positions, corresponding to the positioning shafts (9), of the inner side wall of the insertion type mounting groove (16).
6. A reinforced concrete push pipe according to claim 5, characterized in that the section of the insertion installation groove (16) and the connecting insertion pipe (5) is the same in side view, and the depth of the groove wall of the insertion installation groove (16) is equal to the sum of the thickness of the connecting insertion pipe (5) and the thickness of the second bridge sealing piece (8).
7. The reinforced concrete pipe jacking according to claim 6, wherein the reinforced concrete pipe jacking body (1) and the first bridge type sealing piece (18) bracket are in a welding relationship, and a corrosion-proof layer is sprayed at the welding position between the reinforced concrete pipe jacking body and the first bridge type sealing piece bracket, and the corrosion-proof layer is made of polyethylene resin and has a thickness of 3-5 mm.
8. A reinforced concrete pipe jacking according to claim 7, wherein said steel bar anchor rods (2) and said outer steel bar rings (3) are connected or welded by wire, and said steel bar anchor rods (2) and said inner expansion steel bar rings (4) are connected or welded by wire.
9. The reinforced concrete push pipe as claimed in claim 8, wherein the spatial three-dimensional structure enclosed by the first bridge type sealing piece (18), the elastic connecting piece (7) and the second bridge type sealing piece (8) is a circular truncated cone pile, and the gradient ratio of the spatial three-dimensional structure enclosed by the first bridge type sealing piece (18), the elastic connecting piece (7) and the second bridge type sealing piece (8) is 1: 7.
10. the reinforced concrete pipe jacking processing technology as claimed in claim 9, which is characterized by comprising the following process flows:
step S1: manufacturing a steel bar framework, and respectively fixing a plurality of outer steel bar rings (3) and a plurality of inner spray tension steel bar rings on a steel bar anchor rod (2) in a welding or steel wire binding mode, wherein the welding mode can adopt a roll welding forming process or a manual welding forming process;
step S2: placing the manufactured steel bar framework in a pipe die coated with a release agent, placing the pipe die on a centrifuge, adding concrete into the pipe die, opening the centrifuge until a basic concrete pipe is centrifugally formed, and cleaning floating slurry on the inner wall of the drain pipe generated by centrifugation;
step S3: placing the concrete pipe in a curing pool for a period of time after the concrete pipe is poured and before the steam curing is started, wherein the period mainly ensures that cement in the concrete is hydrated to a certain extent under the action of hydration and has certain strength, then performing steam curing,
step S4: then, fixing the connecting pipeline provided with the inserting groove (6) on the reinforced concrete anchor rod (2), before that, arranging a connecting groove (14) on the side end face of the reinforced concrete push pipe main body (1) according to the number of the first bridge type sealing pieces (18), and after the installation work of the connecting inserting pipe (5) is completed, fixedly installing a second supporting spring (15) provided with a telescopic shaft (13) in the connecting groove (14);
step S5: and then welding the second bridge type sealing piece (8), the elastic connecting piece (7) and the first bridge type sealing piece (18) on the side end face of the reinforced concrete jacking pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202011177026.5A CN112283446A (en) | 2020-10-29 | 2020-10-29 | Reinforced concrete jacking pipe and processing technology thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011177026.5A CN112283446A (en) | 2020-10-29 | 2020-10-29 | Reinforced concrete jacking pipe and processing technology thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112944038A (en) * | 2021-02-05 | 2021-06-11 | 上海城建预制构件有限公司 | Pipe jacking prefabricated part and manufacturing method |
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- 2020-10-29 CN CN202011177026.5A patent/CN112283446A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112944038A (en) * | 2021-02-05 | 2021-06-11 | 上海城建预制构件有限公司 | Pipe jacking prefabricated part and manufacturing method |
| CN112944038B (en) * | 2021-02-05 | 2023-03-14 | 上海城建预制构件有限公司 | Pipe jacking prefabricated part and manufacturing method |
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