CN112762229B - Construction method of steel belt reinforced polyethylene spiral corrugated pipe - Google Patents
Construction method of steel belt reinforced polyethylene spiral corrugated pipe Download PDFInfo
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- CN112762229B CN112762229B CN202110008942.4A CN202110008942A CN112762229B CN 112762229 B CN112762229 B CN 112762229B CN 202110008942 A CN202110008942 A CN 202110008942A CN 112762229 B CN112762229 B CN 112762229B
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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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- 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
- F16L47/00—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics
- F16L47/02—Welded joints; Adhesive joints
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Abstract
The invention relates to a construction method of a steel strip reinforced polyethylene spiral corrugated pipe, which comprises the steps of constructing a hardened ground and preparing construction materials and devices; building a pipe bottom foundation construction structure, and pouring a pipe bottom foundation; building a spiral corrugated pipe joint treatment construction structure, flattening the end face of the spiral corrugated pipe and cleaning the inner wall; digging pipeline laying grooves and uniformly arranging groove support construction structures at intervals along the length direction of the pipeline laying grooves; uniformly arranging the pipe bottom foundation at intervals along the length direction of the pipeline arrangement groove, and hoisting the spiral corrugated pipe to the pipe bottom foundation; installing a hot melting construction structure at the joint of two adjacent spiral corrugated pipes, and welding the adjacent spiral corrugated pipes; the construction method comprises the following steps of constructing a underpass pavement structure, conveying the spiral corrugated pipe into the underpass pavement structure, and carrying out grouting sealing construction between the outer wall of the spiral corrugated pipe and the underpass pavement structure.
Description
Technical Field
The invention relates to the technical field of pipeline installation engineering, in particular to a construction method of a steel belt reinforced polyethylene spiral corrugated pipe.
Background
The construction method of the steel band reinforced polyethylene spiral corrugated pipe has the advantages of high ring stiffness, convenient connection, low cost and the like, and is widely applied to buried drainage and pollution discharge engineering in the fields of municipal construction and the like. The problems of improving the tightness of the pipeline, accurately positioning the pipeline, passing through the weak disturbance of a structure and the like are often solved in the construction of the spiral corrugated pipe.
Chinese patent CN201920880429.2 discloses a drainage pipe installation is with location alignment device, and it includes the base plate, control motor, perpendicular bolt and connecting rod, first regulation window and second regulation window have been seted up on the base plate, and the top of base plate is fixed with control motor, perpendicular bolt runs through first regulation window, and installs the nut at perpendicular bolt top to perpendicular bolt bottom is fixed with the fixed plate, the connecting rod runs through the second regulation window, connecting rod bottom and curb plate top interconnect, and install horizontal bolt on the curb plate to horizontal bolt and contact plate interconnect install outer nut and interior nut on the horizontal bolt simultaneously. Although the technology can solve the problem of the installation and alignment of the drainage pipeline, the technology is difficult to synchronously solve the problems of the end part treatment of the pipeline, the flatness control of the pipeline, the structural integrity enhancement and the like.
In summary, in order to improve the installation quality of the spiral corrugated pipe, the invention of the construction method of the steel strip reinforced polyethylene spiral corrugated pipe, which can reduce the difficulty of site construction, improve the installation quality of the spiral corrugated pipe and improve the construction efficiency, is urgently needed.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a construction method of a steel strip reinforced polyethylene spiral corrugated pipe.
In order to realize the purpose of the invention, the invention adopts the following technical scheme: the construction method of the steel strip reinforced polyethylene spiral corrugated pipe comprises the following steps:
s100: constructing a hardened ground and preparing construction materials and devices;
s200: building a pipe bottom foundation construction structure, and pouring a pipe bottom foundation;
s300: building a spiral corrugated pipe joint treatment construction structure, flattening the end face of the spiral corrugated pipe and cleaning the inner wall;
s400: digging pipeline laying grooves and uniformly arranging groove support construction structures at intervals along the length direction of the pipeline laying grooves;
s500: uniformly arranging the pipe bottom foundation at intervals along the length direction of the pipeline arrangement groove, and hoisting the spiral corrugated pipe to the pipe bottom foundation;
s600: installing a hot melting construction structure at the joint of two adjacent spiral corrugated pipes, and welding the adjacent spiral corrugated pipes;
s700: and constructing a lower-penetrating pavement structure, conveying the spiral corrugated pipe into the lower-penetrating pavement structure, and performing grouting sealing construction between the outer wall of the spiral corrugated pipe and the lower-penetrating pavement structure.
The working principle and the beneficial effects are as follows: 1. the fusion and cleaning operation can be conveniently carried out before the butt joint of the spiral corrugated pipes by building the spiral corrugated pipe joint processing construction structure, compared with the existing manual processing mode, the operation is more convenient, the construction efficiency is improved, the construction period can be obviously reduced, and the problems of processing the end part of the pipeline and controlling the flatness of the pipeline are solved simultaneously;
2. through pouring the pipe end basis alone earlier, lay to pipe subbottom basis again, place the helical bellows that the processing was good alone in the pipe end basis at last, through the cooperation of pipe end basis and hot melt construction structure, can solve the problem that pipeline tip was handled, pipeline roughness control and structural integrity strengthen in step.
Further, the construction steps of building the pipe bottom foundation construction structure comprise:
s210: laying a template bottom support beam and a template support frame on the hardened ground, and laying a foundation bottom mould on the template bottom support beam;
s220: a side die sliding plate at the bottom end of the base side die is connected with the template sliding groove, and a side die control body is arranged between the base side die and the template support frame;
s230: a top die pressing plate is arranged between the basic top die and the top die position control body;
s240: pushing the foundation side die to a set position through the side die control body, and then jacking the foundation top die through the top die control body to enable the lower surface of the top die airtight plate to be connected with the foundation side die;
s250: applying a downward pressure to the top die airtight plate through the airtight plate position control body, and then performing concrete pouring construction on the pipe bottom foundation through the pouring connecting pipe;
s260: after the strength of the pipe bottom foundation concrete is formed, the pressure of the side mold control body, the top mold control body and the closed plate control body is relieved, and then the side wall air supply pipe is used for aerating the demolding air pipe, so that the foundation side mold is separated from the pipe bottom foundation.
According to the steps, the space positions of the foundation side die and the foundation top die are limited through the side die control body and the top die control body respectively, the difficulty of pouring construction of the pipe bottom foundation template is reduced, meanwhile, the demolding air pipe is aerated through the side wall air supply pipe, the foundation side die is separated from the pipe bottom foundation, the difficulty of demolding can be effectively reduced, the construction efficiency is obviously improved, and therefore the construction quality of the pipe bottom foundation is improved.
Further, the specific construction steps of the spiral corrugated pipe joint treatment construction structure include:
s310: arranging a pipeline supporting body on the hardened ground, and arranging the spiral corrugated pipe on a pipeline supporting plate at the top end of the pipeline supporting body;
s320: inserting the supporting and pressing positioning body into the cavity of the spiral corrugated pipe, pushing and pressing the position control supporting rod to enable the in-pipe supporting and pressing plate to be tightly attached and connected with the inner side wall of the spiral corrugated pipe, and applying jacking pressure to the correcting bolt pressing plate through the in-pipe correcting bolt to enable the position control supporting rod to be overlapped with the axis of the spiral corrugated pipe;
s330: fastening the melting support frame and the position control support rod through bolts to enable the hot melting pressing plate to be connected with the pipe wall of the spiral corrugated pipe, and applying fastening force to the melting support frame through the bolts at the end part of the position control support rod to melt the spiral corrugated pipe;
s340: after the melting construction is finished, the constraint of a bolt on a melting support frame is removed, a pressure-pumping water pump is arranged on a spiral corrugated pipe, a closed side plate and a scrubbing support frame are sleeved on the outer side of the spiral corrugated pipe, the closed side plate and the scrubbing support frame are fixed through the bolt at the end part of a position control support rod, a pipe wall brush plate is connected with the spiral corrugated pipe, a brush pipe cable pulls a brush plate connecting body to rotate along the periphery of the spiral corrugated pipe, water is synchronously supplied to a water supply pipe through the pressure-pumping water pump, the outer side wall of the spiral corrugated pipe is flushed through a flushing nozzle, flushing water is collected through a slurry collecting pool, and the flushing water is pumped and discharged through a water pumping pipe.
The spatial position of the position control supporting rod is limited through the supporting and pressing positioning body, the position of the hot melting pressing plate is controlled through the melting and leveling supporting frame, the spiral corrugated pipe is melted and leveled, and the flatness of the joint of the pipeline is improved; meanwhile, the brush plate connector can rotate along the periphery of the helical bellows, and the outer side wall of the helical bellows is washed through the pipe wall brush plate and the flushing nozzle, so that the difficulty in washing the outer side wall of the joint part of the pipeline is reduced, the construction efficiency is obviously improved, and the treatment quality of the helical bellows is improved
Further, the concrete construction steps of the construction structure of the groove support comprise:
s410: digging pipeline laying grooves by adopting a digging machine, and uniformly arranging groove supports at intervals along the longitudinal direction of the pipeline laying grooves, so that the top parts of the groove supports are connected with groove sealing covers;
s420: water or slurry is injected into the side supporting bag through the bag grouting pipe, so that the side wall of the side supporting bag is tightly attached to the pipeline distribution groove.
The groove supports are longitudinally and uniformly arranged at intervals along the pipeline arrangement groove, the groove sealing covers are arranged at the tops of the groove supports, the side supporting bag is arranged on the outer side of the groove supports, the purposes of groove support stability and top sealing covers can be synchronously met, and construction difficulty is remarkably reduced.
Further, the specific construction steps of the hot-melt construction structure include:
s610: pipe side positioning hoops are respectively arranged on the outer side walls of the connected spiral corrugated pipes;
s620: the pipe hoop side connecting plate and the trench side soil body are firmly connected through the side connecting plate anchor bars, and the pipe side positioning hoop and the pipeline laying groove are applied with jacking pressure through the groove side supporting and pressing bolt;
s630: the pipe side slide rail and the pipe side positioning hoop are firmly connected through the slide rail positioning rib, and a fastening pull rod is arranged between the opposite pipe side positioning hoops;
s640: the positions of the hot melting position control plate and the hot melting welding machine are controlled through the position control sliding beam;
s650: a welding machine guide groove used for limiting the moving direction of the hot melting welding machine is arranged on the hot melting position control plate;
s660: the position of the hot melting strip is limited by the hot melting pressing plate, and the hot melting strip and the spiral corrugated pipe are welded into a whole by a hot melting welding machine.
The outer side walls of the connected spiral corrugated pipes are respectively provided with the pipe side positioning hoops, and the positions of the hot melting position control plate and the hot melting welding machine are controlled through the position control sliding beam, so that the positioning difficulty of the hot melting welding machine is reduced; meanwhile, the position of the hot melting strip is limited through the hot melting pressing plate, and the hot melting strip and the spiral corrugated pipe welding machine are integrated into a whole through the hot melting welding machine, so that the quality of the hot melting strip welding construction can be effectively improved, and the construction efficiency is remarkably improved.
Further, the concrete construction steps of the underpass pavement structure comprise:
s710: penetrating the reinforcing sleeve through a roadbed soil body at the lower part of the pavement structure layer, and inserting an advanced supporting pipe in the roadbed soil body between the reinforcing sleeve and the pavement structure layer;
s720: a plurality of pipe conveying anchor ears are arranged on the periphery of the spiral corrugated pipe along the length direction of the spiral corrugated pipe, and a pipe conveying connecting rod is arranged in the spiral corrugated pipe;
s730: pressurizing the internal supporting bag through a bag pressurizing pipe to ensure that the internal supporting bag is tightly attached to the spiral corrugated pipe;
s740: connecting a pipe conveying guide falcon at the bottom of the pipe conveying hoop with a pipe conveying guide groove, applying thrust to the spiral corrugated pipe through the pipe conveying connecting rod, and conveying the spiral corrugated pipe into a roadbed soil body below the pavement structure layer;
s750: and grouting the clearance between the reinforcing sleeve and the spiral corrugated pipe through external grouting equipment to form a pipe cavity compact body.
The pipe conveying connecting rod and the inner supporting bag are arranged in the spiral corrugated pipe, and the inner supporting bag is tightly attached to the spiral corrugated pipe through pressurization, so that the difficulty of supporting and connecting the inside of the spiral corrugated pipe is reduced; send tub bottom of holding pipe simultaneously and send tub direction falcon to be connected with sending tub guide way to send tub and set up the thrust roller between sending pipe hold and reinforcement sleeve pipe, reduce the degree of difficulty that frictional force can show and reduce the helical bellows and wear to establish through the thrust roller.
Further, set up the template spout on the template bottom sprag beam, template strut cross-section is "U" shape to link firmly perpendicularly with template bottom sprag beam, basic side form cross-section is "L" shape, and its facade is through drawing of patterns trachea and lateral wall air supply pipe intercommunication, basic top mould cross-section is arc, and its internal diameter is the same with the external diameter of spiral bellows and both ends and top mould closed plate welded connection.
Furthermore, a corrugated groove is formed in the joint surface of the pipeline supporting plate and the spiral corrugated pipe; the supporting and pressing positioning body comprises a position control supporting rod, an inner supporting and pressing rod and an in-pipe correcting bolt, wherein two ends of the inner supporting and pressing rod are respectively connected with the position control supporting rod and the in-pipe supporting and pressing plate through pressing rod end hinges; the in-pipe correcting bolt comprises a screw rod and a bolt, the fastening directions of the screw rods on the two sides of the bolt are opposite, and a correcting bolt pressing plate is arranged at the joint of the in-pipe correcting bolt and the inner side wall of the spiral corrugated pipe; the outer side walls of the correcting bolt pressing plate and the pipe inner supporting pressing plate are respectively provided with a corrugated groove connected with the spiral corrugated pipe; an elastic expansion rib is arranged between the two opposite inner supporting pressure rods; the melting support frame is in a circular groove shape, the diameter of the melting support frame is the same as that of the spiral corrugated pipe, and an annular heat insulation pressing plate is arranged at the end part of the melting support frame; the heat insulation pressing plate is provided with a U-shaped groove for limiting the position of the hot melting pressing plate; the cross section of the brushing support frame is U-shaped and is fixedly connected with the closed bottom plate, and the inner side of the brushing support frame is annularly provided with a brush plate guide groove; the brush plate guide groove is provided with a channel with a T-shaped cross section facing the side of the brush plate connecting body.
Furthermore, a pipe wall brush plate and a flushing nozzle are arranged on the side wall of the brush plate connecting body facing the spiral corrugated pipe and are connected with the brush plate guide groove through a sliding hanging plate; the cross section of the sliding hanging plate is in a T shape and is connected with a brush pipe inhaul cable; the plane of the closed side plate is circular, and the periphery of the closed side plate is welded with the closed bottom plate; a gap for the sliding hanging plate to pass through is arranged on the closed bottom plate, the closed bottom plate is fixedly connected with the brushing support frame and the closed side plate, and a flexible sealing plate is arranged between the closed bottom plate and the spiral corrugated pipe; the flexible sealing plate is formed by cutting a rubber sheet, and the plane is circular.
Further, a pipe conveying guide tenon connected with the outer side wall of the pipe conveying guide groove is arranged in the cavity of the reinforcing sleeve; the pipe conveying connecting rod is provided with 2-3 rows of supporting plate connecting plates along the length direction of the pipe conveying connecting rod, the end part of each supporting plate connecting plate is provided with a circular pipe-shaped annular supporting plate, and 3-5 inner supporting bag bodies are uniformly adhered to the outer side of each annular supporting plate at intervals in the annular direction; the pipe conveying hoop comprises two arc-shaped steel plates which are enclosed into a closed circle and is connected with the hoop fastening bolt through a hoop plate rotating shaft; the bottom of the pipe conveying hoop is provided with a pipe conveying guide falcon, the outer side wall of the pipe conveying hoop is provided with an elastic supporting rib, and the outer side of the elastic supporting rib is sequentially provided with a roller connecting plate and a pushing roller; the transverse section of the pipe conveying guide falcon is in a T shape.
Drawings
FIG. 1 is a flow chart of the construction of the helical bellows according to the present invention;
FIG. 2 is a schematic view of a prefabricated cast structure of the foundation of FIG. 1;
FIG. 3 is a schematic view of the connection structure of the base side form and the formwork bottom bracing beam of FIG. 2;
FIG. 4 is a schematic view of a hot melt flattening construction of the spiral corrugated pipe joint of FIG. 1;
FIG. 5 is a schematic view of a construction of a spiral corrugated pipe joint brushing arrangement of FIG. 1;
FIG. 6 is a schematic view of the pipe routing channel support and capping structure of FIG. 1;
FIG. 7 is a schematic view of the positioning structure of the helical bellows of FIG. 1;
FIG. 8 is a schematic view of a construction for welding the hot melt strip of the pipe joint of FIG. 1;
FIG. 9 is a schematic cross-sectional view of the construction configuration for welding the hot melt strip of FIG. 8;
FIG. 10 is a schematic view of the connection structure of the position control slide beam and the slide rail and the slide groove in FIG. 8;
FIG. 11 is a schematic view of a construction structure for the helical bellows of FIG. 1;
in the figure, 1, the ground is hardened; 2. a template bottom bracing beam; 3. a template support frame; 4. a base bottom die; 5. a base side form; 6. a side form slide plate; 7. a template chute; 8. side mould control body; 9. a basic top die; 10. a top mold control body; 11. a top mold platen; 12. a top mold closing plate; 13. a closed plate control body; 14. a pipe bottom foundation; 15. a grouting observation pipe; 16. a sidewall gas supply pipe; 17. demolding the air pipe; 18. a pipe support; 19. a helical bellows; 20. a pipe supporting plate; 21. supporting and pressing a retainer; 22. a position control support rod; 23. a pressure plate is supported in the tube; 24. a correcting bolt in the pipe; 25. a correcting bolt pressing plate; 26. leveling the strut; 27. hot melting the pressing plate; 28. a pressure water pump is pumped; 29. closing the side plate; 30. brushing the supporting frame; 31. brushing a plate on the pipe wall; 32. brushing the tube and pulling the cable; 33. a brush plate connector; 34. a water supply pipe; 35. a flushing nozzle; 36. a slurry water collecting pool; 37. a water pumping pipe; 38. a pipeline laying groove; 39. a trench support; 40. a trench cover; 41. a pouch grouting pipe; 42. side-supporting the capsular bag; 43. a pipe side positioning hoop; 44. side connecting plate anchor bars; 45. a pipe hoop side connecting plate; 46. A trench side soil body; 47. a groove side supporting and pressing bolt; 48. a slide rail positioning rib; 49. a pipe side slide rail; 50. fastening the pull rod; 51. a position control sliding beam; 52. carrying out hot melting on the position control plate; 53. a hot-melting welder; 54. a welding machine guide groove; 55. thermally fusing the pressing plate; 56. heat-melting the strip; 57. reinforcing the sleeve; 58. a roadbed soil body; 59. a pavement structure layer; 60. advancing the supporting tube; 61. conveying a pipe hoop; 62. a pipe conveying connecting rod; 64. an internal supporting sac; 65. the pipe is sent to the falcon; 66. a pipe conveying guide groove; 68. filling a connecting pipe; 69. an inner supporting pressure rod; 70. the end of the pressure lever is hinged; 71. elastically expanding the ribs; 72. a heat insulation pressing plate; 73. A closed bottom plate; 74. a brush plate guide groove; 75. a sliding hanging plate; 76. a flexible sealing plate; 77. sealing and covering the supporting plate; 78. a trench bottom supporting plate; 79. supporting the side plates; 80. pressing a bolt end hinge; 81. a pipe hoop outer pressing plate; 82. a groove side pressing plate; 83. A slide rail chute; 84. An elastic control body; 85. the pressing plate is hinged in a rotating way; 86. connecting a plate by a welding machine; 87. the sliding beam is connected with the falcon; 88. a bracing plate connecting plate; 89. a ring-shaped supporting plate; 90. a strap plate rotating shaft; 91. a hoop fastening bolt; 92. elastic supporting ribs; 93. a roller connecting plate; 94. the pushing roller.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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 obtained by a person of ordinary skill in the art based on the embodiments of the present invention belong to the protection scope of the present invention.
It will be understood by those skilled in the art that in the present disclosure, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for ease of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must be in a particular orientation, constructed and operated in a particular orientation, and thus, the above terms should not be construed as limiting the present invention.
Technical requirements of on-site hoisting construction, technical requirements of section steel rolling and welding construction, technical requirements of bolt fastening construction, technical requirements of concrete pouring construction and the like are not repeated in the embodiment, and the embodiment of the method is mainly explained.
Referring to fig. 1, the construction method of the steel-band reinforced polyethylene helical bellows includes the following construction steps:
the method comprises the following steps: construction preparation: carrying out construction of the hardened ground 1, and preparing materials and devices required by the construction;
step two: preparing a tube bottom foundation: laying a template bottom bracing beam 2 and a template bracing frame 3 on the hardened ground 1, and laying a foundation bottom mould 4 on the template bottom bracing beam 2; a side die sliding plate 6 at the bottom end of the foundation side die 5 is connected with a template sliding groove 7, and a facility side die control body 8 is arranged between the foundation side die 5 and the template support frame 3; a top die pressing plate 11 is arranged between the basic top die 9 and the top die position control body 10; the method comprises the steps that a base side die 5 is pushed to a set position through a side die control body 8, a base top die 9 is pushed through a top die control body 10, the lower surface of a top die sealing plate 12 is connected with the base side die 5, downward pressure is applied to the top die sealing plate 12 through a sealing plate control body 13, then the concrete pouring construction of a pipe bottom base 14 is carried out through a pouring connecting pipe 68, and the compactness of the concrete of the pipe bottom base 14 is observed through a mud jacking observation pipe 15; after the concrete of the pipe bottom foundation 14 forms strength, the pressure of the side mold control body 8, the top mold control body 10 and the closed plate control body 13 is relieved, and then the demolding air pipe 17 is aerated through the side wall air supply pipe 16, so that the foundation side mold 5 is separated from the pipe bottom foundation 14;
step three: treating the spiral corrugated pipe joint: arranging a pipeline supporting body 18 on the hardened ground 1, and placing a spiral corrugated pipe 19 on a pipeline supporting plate 20 at the top end of the pipeline supporting body 18; inserting the supporting and pressing retainer 21 into the cavity of the spiral corrugated pipe 19, firstly pushing and pressing the position control supporting rod 22 to enable the pipe internal supporting and pressing plate 23 to be tightly attached and connected with the inner side wall of the spiral corrugated pipe 19, and then applying a jacking force to the correcting bolt pressing plate 25 through the pipe internal correcting bolt 24 to enable the position control supporting rod 22 to be overlapped with the axis of the spiral corrugated pipe 19; firstly, fastening the fusing support 26 and the position control support rod 22 through bolts, connecting the hot melting pressing plate 27 with the pipe wall of the spiral corrugated pipe 19, and then applying fastening force to the fusing support 26 through the bolts at the end part of the position control support rod 22 to fuse the spiral corrugated pipe 19; after the melting construction is finished, firstly removing the constraint of the bolts on the melting support frame 26, then placing the pressure-pumping water pump 28 on the spiral corrugated pipe 19, then sleeving the closed side plate 29 and the scrubbing support frame 30 on the outer side of the spiral corrugated pipe 19, fixing the closed side plate 29 and the scrubbing support frame 30 through the bolts at the end part of the position control support rod 22, enabling the pipe wall brush plate 31 to be connected with the spiral corrugated pipe 19, drawing the brush plate connecting body 33 to rotate along the periphery of the spiral corrugated pipe 19 through the brush pipe inhaul cable 32, synchronously supplying water to the water supply pipe 34 through the pressure-pumping water pump 28, flushing the outer side wall of the spiral corrugated pipe 19 through the flushing nozzle 35, collecting flushing water through the slurry water collecting pool 36, and pumping and discharging the flushing water through the water pumping pipe 37;
step four: the pipeline laying groove supports and the groove sealing cover is arranged: digging pipeline laying grooves 38 by adopting a digging machine, uniformly arranging groove supports 39 at intervals along the longitudinal direction of the pipeline laying grooves 38, and connecting the tops of the groove supports 39 with groove sealing covers 40; injecting water or slurry into the side supporting bag 42 through the bag grouting pipe 41 by external grouting equipment to make the side wall of the side supporting bag 42 tightly attached to the pipeline laying groove 38;
step five: installing and positioning a spiral corrugated pipe: the pipe bottom foundation 14 is longitudinally and uniformly arranged along the pipeline arrangement groove 38 at intervals, and the spiral corrugated pipe 19 is hung on the pipe bottom foundation 14;
step six: connecting hot melting strips of the spiral corrugated pipe: pipe side positioning hoops 43 are respectively arranged on the outer side walls of the connected spiral corrugated pipes 19; firstly, firmly connecting a pipe hoop side connecting plate 45 with a ditch side soil body 46 through a side connecting plate anchor bar 44, and then applying top pressure to a pipe side positioning hoop 43 and a pipeline laying groove 38 through a groove side supporting and pressing bolt 47; the pipe side slide rail 49 is firmly connected with the pipe side positioning hoop 43 through the slide rail positioning rib 48, and a fastening pull rod 50 is arranged between the opposite pipe side positioning hoops 43; the positions of the hot melting position control plate 52 and the hot melting welder 53 are controlled by the position control sliding beam 51; a welder guide groove 54 for limiting the moving direction of the thermal welding machine 53 is arranged on the thermal welding position control plate 52; the position of the hot melting strip 56 is limited by the hot melting pressing plate 55, and then the hot melting strip 56 and the spiral corrugated pipe 19 are welded into a whole by the hot melting welder 53;
step seven: and (3) passing through a pavement structure layer: the reinforcing sleeve 57 penetrates through a roadbed soil body 58 at the lower part of the pavement structure layer 59, and an advance supporting pipe 60 is inserted in the roadbed soil body 58 between the reinforcing sleeve 57 and the pavement structure layer 59; 3-5 pipe conveying hoops 61 are arranged on the periphery of the spiral corrugated pipe 19 along the length direction, and pipe conveying connecting rods 62 are arranged inside the spiral corrugated pipe; pressurizing the internal expanding bag 64 through the bag pressurizing pipe 63 to enable the internal expanding bag 64 to be tightly attached to the spiral corrugated pipe 19; a pipe conveying guide falcon 65 at the bottom of the pipe conveying hoop 61 is connected with a pipe conveying guide groove 66, and the spiral corrugated pipe 19 is pushed by a pipe conveying connecting rod 62 to be conveyed into the roadbed soil 58 below the pavement structure layer 59; the reinforcing sleeve 57 and the spiral corrugated tube 19 are caulked in the gap by an external caulking apparatus to form a tube cavity compact 67.
Referring to fig. 2 and 3, in the second step, the space positions of the base side mold 5 and the base top mold 9 are defined by the side mold control bodies 8 and the top mold control body 10 respectively, and the demolding air pipes 17 are aerated and demolded by the side wall air supply pipes 16.
Referring to fig. 4, a supporting and pressing retainer 21 is arranged in the pipe cavity of the helical bellows 19, the position of the hot melting pressure plate 27 is controlled by the melting and leveling bracket 26, and the outer side wall of the helical bellows 19 is flushed by the pipe wall brush plate 31 and the flushing nozzle 35.
Referring to fig. 5, the position of the hot melt position control plate 52 and the hot melt welding machine 53 is controlled by the position control slide beam 51, the position of the hot melt strip 56 is defined by the hot melt pressing plate 55, and then the hot melt welding machine 53 is used to integrate the hot melt strip 56 with the spiral corrugated pipe 19.
Referring to fig. 6, a tube connecting rod 62 and an inner support bag 64 are provided inside the helical bellows 19.
Referring to fig. 8, a pipe feeding guide falcon 65 at the bottom of the pipe feeding hoop 61 is connected to the pipe feeding guide groove 66, and a push roller 94 is provided between the pipe feeding hoop 61 and the reinforcing sleeve 57.
For convenience of understanding, the following examples of the above terms are intended to be illustrative:
the hardened ground 1 is a concrete ground, and the strength grade of the concrete is C35.
The template bottom bracing beam 2 is formed by rolling a steel plate with the thickness of 2mm, and a template sliding groove 7 is arranged on the template bottom bracing beam 2. The height of the template chute 7 is 10mm, the length is 30cm, and the width is 15 cm.
The template strut 3 is formed by rolling a steel plate with the thickness of 2mm, has a U-shaped cross section and is vertically welded and connected with the template bottom bracing beam 2.
The base bottom die 4, the base side die 5 and the base top die 9 are all formed by rolling steel plates with the thickness of 3 mm; the cross section of the base side die 5 is L-shaped, and the vertical surface is communicated with a side wall air supply pipe 16 through a demoulding air pipe 17. The side-wall gas supply pipe 16 and the stripper gas pipe 17 are made of steel pipes with a diameter of 3 cm.
The side die sliding plate 6 is formed by rolling a steel plate with the thickness of 10 mm.
The side mould control body 8 adopts a hydraulic jack.
The cross section of the basic top die 9 is arc-shaped, the inner diameter of the basic top die is the same as the outer diameter of the spiral corrugated pipe 19, and two ends of the basic top die are welded with the top die sealing plate 12.
The top mould control body 10 adopts a hydraulic jack.
The top platen 11 is made of a steel plate having a thickness of 3 mm.
The top die closed plate 12 is made of a steel plate with the thickness of 3mm and is connected with the extending end of the closed plate control body 13 in a welding mode.
The airtight plate control body 13 adopts a hydraulic jack.
The pipe foundation 14 is made of concrete and steel reinforcement material with a strength grade of C35.
The grouting observation pipe 15 and the perfusion connecting pipe 68 are both made of steel pipes with the diameter of 100 mm.
The pipeline supporting body 18 is formed by cutting H-shaped steel with the specification of 250 multiplied by 9 multiplied by 14, the upper surface is welded and connected with a pipeline supporting plate 20, the pipeline supporting plate 20 is formed by rolling a steel plate with the thickness of 2mm, and a corrugated groove is arranged on the joint surface of the pipeline supporting plate and the spiral corrugated pipe 19; the corrugated groove is matched to the helical bellows 19.
The spiral corrugated pipe 19 is a steel belt reinforced polyethylene (HDPE) spiral corrugated pipe with the diameter of 1000 mm.
The bracing and pressing retainer 21 comprises a position control bracing rod 22, an inner bracing and pressing rod 69 and an in-pipe correcting bolt 24, and two ends of the inner bracing and pressing rod 69 are respectively connected with the position control bracing rod 22 and an in-pipe bracing and pressing plate 23 through a pressing rod end hinge 70. The position control support rod 22 adopts a screwed pipe with the diameter of 90mm, one end of the position control support rod is provided with a connecting thread, and the other end of the position control support rod is connected with the inner support pressure rod 69 through a pressure rod end hinge 70; the inner supporting pressure rod 69 is a steel pipe with the diameter of 60mm, and the end hinge 70 of the pressure rod is a spherical hinge with the diameter of 60 mm.
The in-pipe aligning pin 24 comprises a screw rod and a bolt with the diameter of 30mm, the fastening directions of the screw rods on the two sides of the bolt are opposite, and an aligning pin pressing plate 25 is arranged at the joint of the in-pipe aligning pin 24 and the inner side wall of the spiral corrugated pipe 19.
The correcting bolt pressing plate 25 and the pipe internal supporting pressing plate 23 are both formed by rolling steel plates with the thickness of 20mm, and corrugated grooves connected with the spiral corrugated pipes 19 are formed in the outer side walls; an elastic expansion rib 71 is arranged between the opposite inner bracing rods 69. The elastic expansion ribs 71 are rigid springs with the diameter of 2 cm.
The melting horizontal support 26 is in a circular groove shape, the diameter of the melting horizontal support is the same as that of the spiral corrugated pipe 19, the melting horizontal support is formed by rolling a steel plate with the thickness of 10mm, and the end part of the melting horizontal support 26 is provided with a circular heat insulation pressing plate 72; the thermal insulation pressing plate 72 is made of wood, and a U-shaped groove for limiting the position of the thermal pressing plate is arranged on the thermal insulation pressing plate 72.
The hot melting pressing plate 27 is a copper plate and is connected with external heating equipment.
The pressure-pumping water pump 28 is a micro water pump.
The closed side plate 29 is formed by rolling a steel plate with the thickness of 2mm, the plane is circular, and the periphery of the closed side plate is connected with the closed bottom plate 73 in a welding mode. The closed bottom plate 73 is formed by rolling a steel plate with the thickness of 2 mm.
The brushing strut 30 is made of rolled steel plates with the thickness of 10mm, the cross section of the brushing strut is U-shaped, the brushing strut is welded with the closed bottom plate 73, and a brushing plate guide groove 74 is annularly arranged on the inner side of the brushing strut 30. The brush guide groove 74 is formed by rolling a steel plate having a thickness of 2mm, and a channel having a T-shaped cross section is provided on the side facing the brush connector 33.
The pipe wall brush plate 31 is made of steel wires and is welded with the brush plate connector 33.
The brush tube stay 32 is made of a steel wire rope with the diameter of 20 mm.
The brush plate connector 33 is formed by rolling a steel plate with the thickness of 10mm, a pipe wall brush plate 31 and a flushing nozzle 35 are arranged on the side wall facing the spiral corrugated pipe 19, and the brush plate connector is connected with a brush plate guide groove 74 through a sliding hanging plate 75. The cross section of the sliding hanging plate 75 is in a T shape and is connected with the brush tube inhaul cable 32. The flushing nozzle 35 is a directional water-saving nozzle.
The flexible sealing plate 76 is formed by cutting a rubber sheet with the thickness of 2mm, and the plane is circular.
The water supply pipe 34 and the water suction pipe 37 are both made of steel pipes with the diameter of 60 mm.
The slurry collection tank 36 is formed by rolling a steel plate with a thickness of 1mm, the depth is 0.2m, and the plane size is 0.5m × 5.5 m.
The pipeline layout groove 38 is dug by an excavator, the cross section of the pipeline layout groove is in an isosceles trapezoid shape, the bottom width is 1200mm, and the top width is 2000 mm.
The groove support 39 is formed by rolling H-shaped steel with the specification of 150 × 150 × 7 × 10, is in a cross shape, and is provided with a cover supporting plate 77 and a groove bottom supporting plate 78 on the upper surface and the lower surface respectively, and two side surfaces are provided with supporting side plates 79 which are connected with the side supporting bag 42 in a sticking way. The cover bracing plate 77 and the trench bottom bracing plate 78 are both made of steel plates with a thickness of 10 mm. The support side plate 79 is formed by rolling a 2mm steel plate.
The trench cover 40 is rolled from a steel plate having a thickness of 10 mm.
The bladder grouting pipe 41 is a steel pipe having a diameter of 60 mm.
The side supporting bag 42 is a closed cavity body sewed by a rubber sheet with the thickness of 2mm, and the top end is provided with a bag grouting pipe 41.
Pipe side location hoop 43 includes that two shapes are the same, and through the arc steel sheet that rotates the hinge and connect, and steel sheet thickness 3mm welds pipe hoop side even board 45 on the lateral wall of pipe side location hoop 43, and pipe hoop side even board 45 adopts thickness to form for 10 mm's steel sheet is rolling to set up the hole that supplies side even board anchor muscle 44 to pass on pipe hoop side even board 45.
The side connecting plate anchor bars 44 are made of steel pipes with the diameter of 60mm, and are anchored by grouting on the outer sides.
The trench side soil 46 and the roadbed soil 58 are all sticky soil in a hard plastic state.
The groove side bracing and pressing bolt 47 comprises a screw rod and a nut with the diameter of 60mm, the fastening directions of the screw rods on the two sides of the nut are opposite, and the two ends of the groove side bracing and pressing bolt 47 are respectively connected with a pipe hoop outer pressing plate 81 and a groove side pressing plate 82 through a pressing bolt end hinge 80. The bolt pressing end hinge 80 adopts a spherical hinge with the diameter of 60 mm.
The pipe hoop outer pressing plate 81 and the groove side pressing plate 82 are both formed by rolling steel plates with the thickness of 10mm, wherein the cross section of the pipe hoop outer pressing plate 81 is arc-shaped, and a corrugated groove matched with the spiral corrugated pipe 19 is arranged on the joint surface of the pipe hoop outer pressing plate 81 and the spiral corrugated pipe 19.
The slide rail positioning ribs 48 are formed by rolling steel plates with the thickness of 10 mm.
The pipe side slide rail 49 is formed by rolling a steel plate with the thickness of 2mm, is connected with the slide rail positioning rib 48 through a welding machine, and is provided with a slide rail sliding groove 83 with a T-shaped cross section. The height of the slide rail slide groove 83 is 12mm, and the width is 10 cm.
The fastening pull rod 50 is made of a screw rod with the diameter of 60 mm.
The position control sliding beam 51 is formed by rolling a steel plate with the thickness of 10mm, and is connected with the sliding rail sliding groove 83 through a sliding beam connecting tenon 87. The sliding beam connecting falcon 87 is formed by rolling a steel plate with the thickness of 10mm, the cross section of the sliding beam connecting falcon is T-shaped, and the width of the sliding beam connecting falcon is 8 cm.
The hot melting position control plate 52 is formed by rolling a steel plate with the thickness of 10mm, the upper surface of the hot melting position control plate is connected with the position control sliding beam 51 in a welding mode, two rows of elastic position control bodies 84 are welded on the lower surface of the hot melting position control plate, and the other end of each welding position control body is connected with the hot melting pressing plate 55 through a pressing plate rotating hinge 85.
The elastic control body 84 is formed by rolling a spring with the diameter of 20mm, and the pressing plate rotating hinge 85 is a spherical hinge with the diameter of 20 mm; the thermal fusing pressing plate 55 is made of a steel plate with the diameter of 3mm, and a corrugated groove is arranged on the joint surface of the thermal fusing pressing plate and the spiral corrugated pipe 19.
The heat-fusible strip 56 is a strip that matches the spiral corrugated tube 19.
The reinforcing sleeve 57 is formed by rolling a steel pipe with the diameter of 1500mm, and a pipe conveying guide groove 66 connected with a pipe conveying guide falcon 65 is arranged in the pipe cavity. The pipe feeding guide groove 66 is formed by rolling a steel plate having a thickness of 2mm and a width of 10 cm.
The pavement structure layer 59 is an asphalt concrete pavement 80cm behind the structure layer.
The advanced support tube 60 is made of a steel tube with a diameter of 100 mm.
Pipe feeding connecting rod 62 adopts the rolling steel pipe of diameter 100mm to form, sets up 2 rows of fagging connecting plates 88 along pipe feeding connecting rod 62 length direction, and fagging connecting plate 88 adopts thickness 10 mm's steel sheet rolling to form, and the tip sets up the annular fagging 89 of pipe shape, and annular fagging 89 adopts thickness 10 mm's steel sheet rolling to form, pastes 4 interior bag 64 that prop up along the even interval of hoop in the outside of annular fagging 89. The inner supporting bag 64 is formed by sewing a geomembrane with the thickness of 2 mm.
The pipe conveying hoop 61 comprises two arc-shaped steel plates which are enclosed into a closed circle, is formed by rolling steel plates with the thickness of 10mm, and is connected with the hoop fastening bolt 91 through a hoop plate rotating shaft 90; a pipe conveying guide falcon 65 is arranged at the bottom of the pipe conveying hoop 61, an elastic supporting rib 92 is arranged on the outer side wall, and a roller connecting plate 93 and a pushing roller 94 are sequentially arranged on the outer side of the elastic supporting rib 92. The band rotating shaft 90 is a rotating shaft having a diameter of 10 mm. The elastic supporting ribs 92 are springs with the diameter of 20 mm. The roller connecting plate 93 is a steel plate with a thickness of 10 mm. The pushing roller 94 is a universal roller having a diameter of 10 mm.
The bladder pressurizing pipe 63 is a rubber pipe having a diameter of 100 mm.
The pipe conveying guide falcon 65 is formed by rolling a steel plate with the thickness of 2mm, and the cross section of the pipe conveying guide falcon is in a T shape.
The tube cavity compact 67 is self-compacting concrete with a strength grade of C35.
The welding machine connecting plate 86 is formed by rolling a steel plate with the thickness of 10 mm.
The hoop fastening bolt 91 is composed of a high-strength screw rod with the diameter of 30mm and a bolt.
The present invention is not described in detail in the prior art, and therefore, the present invention is not described in detail.
It is understood that the terms "a" and "an" should be interpreted as meaning that a number of one element or element is one in one embodiment, while a number of other elements is one in another embodiment, and the terms "a" and "an" should not be interpreted as limiting the number.
Although the use of the term in the present text is used more often, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.
The present invention is not limited to the above-mentioned preferred embodiments, and any other products in various forms can be obtained by anyone with the teaching of the present invention, but any changes in the shape or structure thereof, which have the same or similar technical solutions as those of the present application, fall within the protection scope of the present invention.
Claims (9)
1. The construction method of the steel strip reinforced polyethylene spiral corrugated pipe is characterized by comprising the following steps:
constructing a hardened ground and preparing construction materials and devices;
building a pipe bottom foundation construction structure, and pouring a pipe bottom foundation;
building a spiral corrugated pipe joint treatment construction structure, flattening the end face of the spiral corrugated pipe and cleaning the inner wall;
digging pipeline laying grooves and uniformly arranging groove support construction structures at intervals along the length direction of the pipeline laying grooves;
uniformly arranging the pipe bottom foundation at intervals along the length direction of the pipeline arrangement groove, and hoisting the spiral corrugated pipe to the pipe bottom foundation;
installing a hot melting construction structure at the joint of two adjacent spiral corrugated pipes, and welding the adjacent spiral corrugated pipes;
constructing a underpass pavement structure, namely conveying the spiral corrugated pipe into the underpass pavement structure, and performing grouting sealing construction between the outer wall of the spiral corrugated pipe and the underpass pavement structure;
the specific construction steps of the spiral corrugated pipe joint treatment construction structure comprise:
arranging a pipeline supporting body on the hardened ground, and arranging the spiral corrugated pipe on a pipeline supporting plate at the top end of the pipeline supporting body;
inserting the supporting and pressing positioning body into the cavity of the spiral corrugated pipe, pushing and pressing the position control supporting rod to enable the pipe internal supporting pressure plate to be tightly attached and connected with the inner side wall of the spiral corrugated pipe, and applying jacking pressure to the correcting bolt pressure plate through the pipe internal correcting bolt to enable the position control supporting rod to be overlapped with the axis of the spiral corrugated pipe;
fastening the melting support frame and the position control support rod through bolts to enable the hot melting pressing plate to be connected with the pipe wall of the spiral corrugated pipe, and applying fastening force to the melting support frame through the bolts at the end part of the position control support rod to melt the spiral corrugated pipe;
after the melting construction is finished, the constraint of a bolt on a melting support frame is removed, a pressure-pumping water pump is arranged on a spiral corrugated pipe, a closed side plate and a scrubbing support frame are sleeved on the outer side of the spiral corrugated pipe, the closed side plate and the scrubbing support frame are fixed through the bolt at the end part of a position control support rod, a pipe wall brush plate is connected with the spiral corrugated pipe, a brush pipe cable is used for drawing a brush plate connecting body to rotate along the periphery of the spiral corrugated pipe, water is synchronously supplied to a water supply pipe through the pressure-pumping water pump, the outer side wall of the spiral corrugated pipe is washed through a flushing nozzle, flushing water is collected through a slurry collecting pool, and the flushing water is pumped and discharged through a water pumping pipe.
2. The construction method of the steel strip reinforced polyethylene spiral corrugated pipe as claimed in claim 1, wherein the construction step of building the pipe bottom foundation construction structure comprises:
laying a template bottom bracing beam and a template bracing frame on the hardened ground, and laying a foundation bottom mould on the template bottom bracing beam;
a side die sliding plate at the bottom end of the base side die is connected with the template sliding groove, and a side die control body is arranged between the base side die and the template support frame;
a top die pressing plate is arranged between the basic top die and the top die position control body;
pushing the foundation side die to a set position through the side die control body, and then jacking the foundation top die through the top die control body to enable the lower surface of the top die airtight plate to be connected with the foundation side die;
applying a downward pressure on the top mold airtight plate through the airtight plate position control body, and then performing concrete pouring construction on the pipe bottom foundation through a pouring connecting pipe;
after the strength of the concrete of the pipe bottom foundation is formed, the pressure of the side mold control body, the top mold control body and the closed plate control body is relieved, and the demolding air pipe is aerated through the side wall air supply pipe, so that the foundation side mold is separated from the pipe bottom foundation.
3. The construction method of the steel strip reinforced polyethylene helical bellows as claimed in claim 1, wherein the concrete construction steps of the construction structure of the groove support include:
digging pipeline laying grooves by adopting a digging machine, and uniformly arranging groove supports at intervals along the longitudinal direction of the pipeline laying grooves, so that the top parts of the groove supports are connected with groove sealing covers;
water or slurry is injected into the side supporting bag through the bag grouting pipe, so that the side wall of the side supporting bag is tightly attached to the pipeline distribution groove.
4. The construction method of the steel strip reinforced polyethylene helical bellows as claimed in claim 3, wherein the specific construction steps of the hot-melt construction structure include:
pipe side positioning hoops are respectively arranged on the outer side walls of the connected spiral corrugated pipes;
the pipe hoop side connecting plate and the trench side soil body are firmly connected through the side connecting plate anchor bars, and the top pressure is applied to the pipe side positioning hoop and the pipeline laying groove through the groove side supporting and pressing bolt;
the pipe side slide rail and the pipe side positioning hoop are firmly connected through the slide rail positioning rib, and a fastening pull rod is arranged between the opposite pipe side positioning hoops;
the positions of the hot melting position control plate and the hot melting welding machine are controlled through the position control sliding beam;
a welding machine guide groove used for limiting the moving direction of the hot melting welding machine is arranged on the hot melting position control plate;
the position of the hot melting strip is limited by the hot melting pressing plate, and the hot melting strip and the spiral corrugated pipe are welded into a whole by a hot melting welding machine.
5. The construction method of the steel strip reinforced polyethylene spiral corrugated pipe as claimed in claim 1, wherein the concrete construction steps of the underpass pavement structure comprise:
penetrating the reinforcing sleeve through a roadbed soil body at the lower part of the pavement structure layer, and inserting an advanced supporting pipe in the roadbed soil body between the reinforcing sleeve and the pavement structure layer;
a plurality of pipe conveying hoops are arranged on the periphery of the spiral corrugated pipe along the length direction of the spiral corrugated pipe, and pipe conveying connecting rods are arranged in the spiral corrugated pipe;
pressurizing the internal supporting bag through a bag pressurizing pipe to enable the internal supporting bag to be tightly attached to the spiral corrugated pipe;
connecting a pipe conveying guide falcon at the bottom of the pipe conveying hoop with a pipe conveying guide groove, applying thrust to the spiral corrugated pipe through the pipe conveying connecting rod, and conveying the spiral corrugated pipe into a roadbed soil body below the pavement structure layer;
and grouting the clearance between the reinforcing sleeve and the spiral corrugated pipe through external grouting equipment to form a pipe cavity compact body.
6. The construction method of the steel strip reinforced polyethylene helical bellows as claimed in claim 2, wherein the formwork bottom bracing beam is provided with a formwork chute, the cross section of the formwork support frame is "U" shaped and is vertically and fixedly connected with the formwork bottom bracing beam, the cross section of the foundation side formwork is "L" shaped, the vertical surface of the foundation side formwork is communicated with the side wall air supply pipe through a demoulding air pipe, the cross section of the foundation top formwork is arc-shaped, the inner diameter of the foundation top formwork is the same as the outer diameter of the helical bellows, and two ends of the foundation top formwork are welded with the top formwork sealing plate.
7. The method of claim 2, wherein the corrugated grooves are formed on the joint surface of the pipe supporting plate and the spiral corrugated pipe; the supporting and pressing positioning body comprises a position control supporting rod, an inner supporting and pressing rod and an in-pipe correcting bolt, and two ends of the inner supporting and pressing rod are respectively connected with the position control supporting rod and the in-pipe supporting and pressing plate through pressing rod end hinges; the correcting bolt in the pipe comprises a screw rod and a bolt, the fastening directions of the screw rods on the two sides of the bolt are opposite, and a correcting bolt pressing plate is arranged at the joint of the correcting bolt in the pipe and the inner side wall of the spiral corrugated pipe; the outer side walls of the correcting bolt pressing plate and the pipe internal supporting pressing plate are both provided with corrugated grooves connected with the spiral corrugated pipe; an elastic expansion rib is arranged between the two opposite inner supporting pressure rods; the melting support frame is in a circular groove shape, the diameter of the melting support frame is the same as that of the spiral corrugated pipe, and an annular heat insulation pressing plate is arranged at the end part of the melting support frame; the heat insulation pressing plate is provided with a U-shaped groove for limiting the position of the hot melting pressing plate; the transverse section of the brushing support frame is U-shaped and is fixedly connected with the closed bottom plate, and the inner side of the brushing support frame is annularly provided with a brush plate guide groove; the brush plate guide groove is provided with a channel with a T-shaped cross section facing the side of the brush plate connecting body.
8. The construction method of the steel strip reinforced polyethylene helical bellows according to claim 7, wherein the side wall of the brush plate connector facing the helical bellows is provided with a tube wall brush plate and a flushing nozzle, and is connected with the brush plate guide groove through a slipping hanging plate; the cross section of the sliding hanging plate is in a T shape and is connected with a brush pipe inhaul cable; the plane of the closed side plate is circular, and the periphery of the closed side plate is welded with the closed bottom plate; a gap for the sliding hanging plate to pass through is arranged on the closed bottom plate, the closed bottom plate is fixedly connected with the brushing support frame and the closed side plate, and a flexible sealing plate is arranged between the closed bottom plate and the spiral corrugated pipe; the flexible sealing plate is formed by cutting a rubber sheet, and the plane is circular.
9. The construction method of the steel strip reinforced polyethylene spiral corrugated pipe as claimed in claim 5, wherein a pipe conveying guide falcon connected with the outer side wall of the pipe conveying guide groove is arranged in the pipe cavity of the reinforcing sleeve; the pipe conveying connecting rod is provided with 2-3 rows of supporting plate connecting plates along the length direction of the pipe conveying connecting rod, the end part of each supporting plate connecting plate is provided with a circular pipe-shaped annular supporting plate, and 3-5 inner supporting bags are uniformly adhered to the outer side of each annular supporting plate at intervals in the annular direction; the pipe conveying hoop comprises two arc-shaped steel plates which are enclosed into a closed circle and is connected with the hoop fastening bolt through a hoop plate rotating shaft; the bottom of the pipe conveying hoop is provided with a pipe conveying guide falcon, the outer side wall of the pipe conveying hoop is provided with an elastic supporting rib, and the outer side of the elastic supporting rib is sequentially provided with a roller connecting plate and a pushing roller; send tub direction falcon cross section and be "T" shape.
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| CN114182921A (en) * | 2021-12-20 | 2022-03-15 | 中铁三局集团建筑安装工程有限公司 | Construction method of internal heat-insulation metal air pipe |
| CN115163916B (en) * | 2022-08-01 | 2024-01-16 | 中铁十七局集团建筑工程有限公司 | Jacking guiding device and guiding method for municipal rainwater and sewage pipe jacking construction |
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| US4195865A (en) * | 1976-11-03 | 1980-04-01 | Martin Charles F | Apparatus for connecting tubular members |
| CN207549041U (en) * | 2017-08-30 | 2018-06-29 | 中民筑友科技投资有限公司 | A kind of balcony mold |
| CN108253199A (en) * | 2018-03-05 | 2018-07-06 | 江苏桓通环境科技有限公司 | Internal-rib enhances polyethylene helical bellows and its connector connecting method |
| CN108692101B (en) * | 2018-07-20 | 2021-01-29 | 四川瑞通工程建设集团有限公司 | Construction method of HDPE plastic steel winding drain pipe |
| CN110185119B (en) * | 2019-06-03 | 2020-08-07 | 安徽省新路建设工程集团有限责任公司 | Combined type connector of rain and sewage pipe and construction method |
| CN211806822U (en) * | 2020-03-02 | 2020-10-30 | 河北东风世景模板有限公司 | Movable pedestal template system for precast beam and construction field area thereof |
| CN112081996B (en) * | 2020-08-26 | 2021-11-26 | 广东九万里建设集团有限公司 | Environment-friendly construction method for shallow-buried flexible pipeline |
| CN112128479B (en) * | 2020-09-23 | 2022-09-30 | 昆山市天工建设工程有限公司 | Hot-melt extrusion welding composite heat-shrinkable belt connecting HDPE pipe and construction method thereof |
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