CN107013760B - A kind of polyethylene winding structure pipe that anti-floating tension is bad and its construction method - Google Patents
A kind of polyethylene winding structure pipe that anti-floating tension is bad and its construction method Download PDFInfo
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- CN107013760B CN107013760B CN201710136584.9A CN201710136584A CN107013760B CN 107013760 B CN107013760 B CN 107013760B CN 201710136584 A CN201710136584 A CN 201710136584A CN 107013760 B CN107013760 B CN 107013760B
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- pipe
- positioning block
- wall
- clamping
- lower clamping
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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
- F16L9/00—Rigid pipes
- F16L9/16—Rigid pipes wound from sheets or strips, with or without reinforcement
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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
- F16L47/03—Welded joints with an electrical resistance incorporated in the joint
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sewage (AREA)
Abstract
The invention discloses a kind of polyethylene winding structure pipe that anti-floating tension is bad and its construction methods, including tube body, tube body includes tube wall and screwed pipe, screwed pipe uniform winding is on the lateral surface of the tube wall, it further include clamping device, it is fixedly connected between two adjacent clamping devices of left and right by connecting rod, clamping device includes upper clamping and positioning block and lower clamping and positioning block, upper clamping and positioning block matches with lower clamping and positioning block, lantern ring is uniformly socketed on tube wall, lantern ring is connected on the side of upper clamping and positioning block and lower clamping and positioning block by chain.Its construction method includes: surveying setting-out, pipe canal digging, wall pipe installation positioning, the connection of wall pipe, closed-water test and backfilling of pipe canal.Construction method step of the invention is simple, not only increases the installation effectiveness of wall pipe, and effectively increases stability and reliability of the wall pipe when being laid with connection, reduces difference in level, improves the connection sealing between wall pipe.
Description
Technical field
The present invention relates to a kind of polyethylene winding structure pipe that anti-floating tension is bad and its construction methods.
Background technique
High density polyethylene (HDPE) winding structure pipe is using polyethylene as raw material, using the enhancing of hot winding shaping process production
Type structural tube.HDPE is managed with inner wall smooth, light-weight, bearing capacity is strong, interface quality is high, corrosion-resistant, ring stiffness is high, applies
The advantages that work facilitates is now widely used for city, road and zonule draining etc..
Polyethylene winding structure pipe in the prior art is being carried and is being easy to cause because external force is excessive in work progress
Draw it is bad, and in the actual construction process be easy influenced by liquid buoyancy, increase the difficulty of construction, pipeline caused to connect
It leaks.
Summary of the invention
Present invention aims at provide a kind of polyethylene that anti-floating tension is bad for deficiency of the prior art to twine
Polyethylene winding knot can effectively improve by the design of clamping device around structured wall popes and its technical solution of construction method
The anti-floating performance of structure wall pipe, prevents wall pipe from causing to shake because of buoyancy, wall pipe connection stability and reliability is influenced, when wall pipe
When burying in the soil, clamping device can effectively improve the integral strength of wall pipe, make wall pipe connection precision in the construction process
It is higher, the offset deviation of axis is reduced, the speed of construction is improved, this construction method step is simple, not only increases wall pipe
Installation effectiveness, and stability and reliability of the wall pipe when being laid with connection are effectively increased, difference in level is reduced, is improved
Connection sealing between wall pipe.
In order to solve the above-mentioned technical problem, the present invention adopts the following technical scheme:
A kind of polyethylene winding structure pipe that anti-floating tension is bad, including tube body, tube body include tube wall and screwed pipe, screw thread
Pipe uniform winding is on the lateral surface of the tube wall, it is characterised in that: further includes clamping device, the adjacent two clampings dress in left and right
Be fixedly connected between setting by connecting rod, clamping device includes upper clamping and positioning block and lower clamping and positioning block, upper clamping and positioning block with
Lower clamping and positioning block matches, and lantern ring is uniformly socketed on tube wall, and lantern ring is connected to upper clamping and positioning block and lower folder by chain
On the side of tight locating piece；By the design of clamping device, the anti-floating performance of polyethylene winding structure pipe can effectively improve,
It prevents wall pipe from causing to shake because of buoyancy, influences wall pipe connection stability and reliability, when wall pipe is buried in the soil, folder
Tight device can effectively improve the integral strength of wall pipe, makes wall pipe connection precision higher in the construction process, reduces the position of axis
Deviation is moved, improves the speed of construction, connecting rod effectively increases the intensity of unit area inner wall tube, prevents wall pipe in work progress
It is middle to be broken because of bending, play the role of protective bulkhead pipe, while conveying easy to carry, during handling directly with clamping
Device contact extends the service life of wall pipe, the design of lantern ring can be in order to wall pipe and clamping without being in contact with wall pipe
Device is fixedly connected, and by the power peptizaiton and clamping device on wall pipe, reduces the stress intensity of wall pipe.
Further, welding wire, the S-shaped distribution of welding wire are provided on the both ends medial surface of tube wall, the design of S-shaped improves tube wall
Between the seal degree that welds, improve the strength and stability of connection.
Further, reinforcing rib is provided in screwed pipe, the anti-pressure ability of screwed pipe can be improved in reinforcing rib, while making wall pipe
With better tension bad performance.
Further, it being provided with threaded hole in upper clamping and positioning block and lower clamping and positioning block, threaded hole matches with connecting rod,
It is respectively arranged with half slot in upper clamping and positioning block and lower clamping and positioning block, half slot matches with tube wall and screwed pipe, upper folder
It is symmetrically arranged with lifting lug on tight locating piece and the front and back sides of lower clamping and positioning block, lifting lug matches with chain, upper clamping positioning
Be fixedly connected between block and lower clamping and positioning block by retaining mechanism, the design of threaded hole convenient for connecting rod and upper clamping and positioning block and
Installing and dismounting between lower clamping and positioning block improves flexibility when construction, and half slot is used to support wall pipe, reduces entire pipe
The difference in height of horizontal position when line is laid, lifting lug improve the anti-floating and anti-pressure ability of wall pipe for connecting chain.
Further, retaining mechanism includes T-shaped block, limiting slot and T-slot, and limiting slot is symmetricly set on clamping and positioning block
Two sides, T-slot are symmetricly set on the two sides of lower clamping and positioning block, and T-shaped block is rotatably connected in limiting slot, T-shaped block and T-slot phase
Matching, T-shaped block are fixedly connected in lower clamping and positioning block by screw, the design of retaining mechanism, and it is fixed to not only increase clamping
Bonding strength between position block and lower clamping and positioning block, and it is easily installed disassembly.
Further, the angle between T-shaped block and the limiting slot is a, and the range of angle a is the ゜ of 0 ゜~90.
Such as a kind of construction method of above-mentioned polyethylene winding structure pipe that anti-floating tension is bad, it is characterised in that including such as
Lower step:
1) surveying setting-out
A, the position for needing embedded polyethylene winding structure pipe is measured first, and determines and buries by arrangement and method for construction
Lu Jing, while the diameter of wall pipe is determined according to transport mesh and uninterrupted, the range of operation band delimited further according to the result of measurement；
B, then release pipeline central axis by the inbuilt starting point of drawing upper wall pipe and terminal, and respectively in starting point and
Terminal according to land occupation length, width, construction of prevention work place boundary line, and indicates that equipment, material, equipment and roping vehicle go out out
Enter place route and place；
C, burying route then according to wall pipe will clear up within the scope of 1.5~2m around it, while determine construction area
The laying situation of interior underground utilities formulates arrangement and method for construction, and carries out work of confiding a technological secret；
2) pipe canal digging
A, it is excavated first by construction drawing from starting point with excavator, and embedded road is divided for several rectangular-shaped lists
Member guarantees that the area of each rectangular-shaped unit is greater than 1.5 × 3m, and depth reaches the position of setting, between excavator and pipe trench
Spacing is greater than 1.5m；
B, then make excavator in order along embedded road through carrying out pipe canal digging, and guarantee the moving direction of excavator with
Wall pipe buries road through being parallel to each other, until the excavation of entire pipe trench finishes；
C, compacting processing then is carried out with inner wall of the rammer compacter to pipe trench；
3) wall pipe installation positioning
A, after pipe trench excavation after the completion of, first with two lower clamping and positioning blocks be one group, and two lower clamping and positioning blocks it
Between be fixedly connected by connecting rod, then transferred to pipe trench, protect the spacing under two adjacent groups between clamping and positioning block
It holds equal, while guaranteeing that each lower clamping and positioning block is vertical with pipe trench；
B, then by tube body along embedded road through transferring in the lower clamping and positioning block to pipe trench, be uniformly socketed on tube body
Lantern ring and the lifting lug in lower clamping and positioning block are fixedly connected, in tube body process of deployment, using wood by lantern ring with chain
Item, scaffold tube suitably support wall pipe two sides, and wall pipe is lifted by crane in hoisting process using two supporting points, two
Supporting point position is located at the 1/4 of pipe range, guarantees that wall pipe is skyborne balanced and stablizes；
C, then with two upper clamping and positioning blocks for one group, and consolidated between two upper clamping and positioning blocks by connecting rod
Fixed connection, then transferred to position corresponding with lower clamping and positioning block, and the T-shaped block in upper clamping and positioning block is buckled into down
It in T-slot in clamping and positioning block, screws on screw and is fixed, until all clamping devices install；
D, it is finally fixed on the lantern ring of equally spaced position with chain and the lifting lug in upper clamping and positioning block on tube body
Connection；
4) wall pipe connects
After all wall pipe installation positioning, pass through electric melting connection, the first dirt on removing bell and spigot interface
Dirt, and check whether bonding wire is intact, it uses fixture in bellmouth external compression to after connecting, is then set according to the wall pipe of different model
Electric current and conduction time check pipeline absolute altitude and axial location in time, comply with requirement after the completion of the connection of wall pipe；
5) closed-water test
After to the connection of wall pipe, it is continuously passed through water in starting point, and outlet pipe, continuous water flowing 15 are installed in final position
It observes embedded road after minute to be repaired through upper situation, and according to the leakage scenarios of wall pipe link position, to tube bottom after repairing
Hollow out position coarse sand backfill it is closely knit；
6) backfilling of pipe canal
A, after to closed-water test, viscosity is backfilled in pipe trench first, to apart from wall tube top end since wall bottom of the tube
Within the scope of the 0.5m of top, using artificial backfill, backfilling material uses stone fragment, then using machinery from wall pipe axis two sides simultaneously
Backfill, compacting.
The present invention is by adopting the above-described technical solution, have the advantages that
1, by the design of clamping device, it can effectively improve the anti-floating performance of polyethylene winding structure pipe, prevent wall
Pipe causes to shake because of buoyancy, influences wall pipe connection stability and reliability, when wall pipe is buried in the soil, clamping device
It can effectively improve the integral strength of wall pipe, make wall pipe connection precision higher in the construction process, reduce the offset deviation of axis,
Improve the speed of construction；
2, connecting rod effectively increases the intensity of unit area inner wall tube, prevents wall pipe from occurring in the construction process because of bending
Fracture, plays the role of protective bulkhead pipe, while conveying easy to carry, directly contacts with clamping device during handling, without
It is in contact with wall pipe, extends the service life of wall pipe；
3, the design of lantern ring can be fixedly connected in order to wall pipe and clamping device, by wall pipe power peptizaiton with
On clamping device, reduce the stress intensity of wall pipe；
4, construction method step of the invention is simple, not only increases the installation effectiveness of wall pipe, and effectively increases wall
Stability and reliability of the pipe when being laid with connection, reduce difference in level, improve the connection sealing between wall pipe.
Detailed description of the invention
The present invention will be further explained below with reference to the attached drawings:
Fig. 1 is the structure of a kind of polyethylene winding structure pipe that anti-floating tension is bad of the present invention and its construction method mesospore pipe
Schematic diagram；
Fig. 2 is the structural schematic diagram of middle tube body of the present invention；
Fig. 3 is the structural schematic diagram of upper clamping and positioning block in the present invention；
Fig. 4 is the connection schematic diagram of screwed pipe and tube wall in the present invention.
In figure: 1- tube body；The upper clamping and positioning block of 2-；Clamping and positioning block under 3-；4- connecting rod；5- chain；6- tube wall；7- screw thread
Pipe；8- welding wire；9- lantern ring；10- threaded hole；11- lifting lug；12- half slot；13-T shape block；14- limiting slot；15- reinforcing rib.
Specific embodiment
It as shown in Figures 1 to 4, is a kind of polyethylene winding structure pipe that anti-floating tension is bad of the present invention, including tube body 1,
Tube body 1 includes tube wall 6 and screwed pipe 7, and 7 uniform winding of screwed pipe is provided in screwed pipe 7 on the lateral surface of the tube wall 6
The anti-pressure ability of screwed pipe 7 can be improved in reinforcing rib 15, reinforcing rib 15, while wall pipe being made to have better tension bad performance, pipe
Be provided with welding wire 8, the S-shaped distribution of welding wire 8 on the both ends medial surface of wall 6, the design of S-shaped improve welded between tube wall 6 it is close
Envelope degree improves the strength and stability of connection.
Further include clamping device, is fixedly connected between two adjacent clamping devices of left and right by connecting rod 4, clamping device packet
Clamping and positioning block 2 and lower clamping and positioning block 3 are included, upper clamping and positioning block 2 matches with lower clamping and positioning block 3, on tube wall 6 uniformly
It is socketed with lantern ring 9, lantern ring 9 is connected on the side of clamping and positioning block 2 and lower clamping and positioning block 3 by chain 5.
It is provided with threaded hole 10 in upper clamping and positioning block 2 and lower clamping and positioning block 3, threaded hole 10 matches with connecting rod 4,
Half slot 12, half slot 12 and 7 phase of tube wall 6 and screwed pipe are respectively arranged in upper clamping and positioning block 2 and lower clamping and positioning block 3
Match, lifting lug 11, lifting lug 11 and 5 phase of chain are symmetrically arranged on the front and back sides of upper clamping and positioning block 2 and lower clamping and positioning block 3
Match, be fixedly connected between upper clamping and positioning block 2 and lower clamping and positioning block 3 by retaining mechanism, the design of threaded hole 10 is convenient for company
Installing and dismounting between bar 4 and upper clamping and positioning block 2 and lower clamping and positioning block 3 improves flexibility when construction, half slot 12
It is used to support wall pipe, the difference in height of horizontal position when reducing entire line layout, lifting lug 11 improves wall pipe for connecting chain 5
Anti-floating and anti-pressure ability, retaining mechanism include T-shaped block 13, limiting slot 14 and T-slot, limiting slot 14 is symmetricly set on clamping
The two sides of locating piece 2, T-slot are symmetricly set on the two sides of lower clamping and positioning block 3, and T-shaped block 13 is rotatably connected in limiting slot 14,
T-shaped block 13 matches with T-slot, and T-shaped block 13 is fixedly connected in lower clamping and positioning block 3 by screw, the design of retaining mechanism,
The bonding strength between clamping and positioning block 2 and lower clamping and positioning block 3 is not only increased, and is easily installed disassembly, T-shaped block 13
Angle between the limiting slot 14 is a, and the range of angle a is that the ゜ of 0 ゜~90 can be effective by the design of clamping device
The anti-floating performance for improving polyethylene winding structure pipe, prevents wall pipe from causing to shake because of buoyancy, influences the stabilization of wall pipe connection
Property and reliability, when wall pipe it is embedded in the soil when, clamping device can effectively improve the integral strength of wall pipe, in work progress
In keep wall pipe connection precision higher, reduce the offset deviation of axis, improve the speed of construction, connecting rod 4 effectively increases unit
The intensity of area inner wall tube prevents wall pipe to be broken in the construction process because of bending, plays the role of protective bulkhead pipe, simultaneously
Conveying easy to carry is directly contacted with clamping device during handling, without being in contact with wall pipe, extends making for wall pipe
It can be fixedly connected in order to wall pipe with clamping device with the design in service life, lantern ring 9, by the power peptizaiton and folder on wall pipe
On tight device, reduce the stress intensity of wall pipe.
Such as a kind of construction method of above-mentioned polyethylene winding structure pipe that anti-floating tension is bad, include the following steps:
1) surveying setting-out
A, the position for needing embedded polyethylene winding structure pipe is measured first, and determines and buries by arrangement and method for construction
Lu Jing, while the diameter of wall pipe is determined according to transport mesh and uninterrupted, the range of operation band delimited further according to the result of measurement；
B, then release pipeline central axis by the inbuilt starting point of drawing upper wall pipe and terminal, and respectively in starting point and
Terminal according to land occupation length, width, construction of prevention work place boundary line, and indicates that equipment, material, equipment and roping vehicle go out out
Enter place route and place；
C, burying route then according to wall pipe will clear up within the scope of 1.5~2m around it, while determine construction area
The laying situation of interior underground utilities formulates arrangement and method for construction, and carries out work of confiding a technological secret；
2) pipe canal digging
A, it is excavated first by construction drawing from starting point with excavator, and embedded road is divided for several rectangular-shaped lists
Member guarantees that the area of each rectangular-shaped unit is greater than 1.5 × 3m, and depth reaches the position of setting, between excavator and pipe trench
Spacing is greater than 1.5m；The excavation width of pipe trench bottom is as follows:
B=Do+2 (b1+b2)
In formula: B --- the excavation width of pipe trench bottom, mm；
Do --- the outer diameter of wall pipe structure, mm；
B1 --- the face width of wall pipe side, mm；
B2 --- the support thickness of wall pipe side, mm.
B, then make excavator in order along embedded road through carrying out pipe canal digging, and guarantee the moving direction of excavator with
Wall pipe buries road through being parallel to each other, until the excavation of entire pipe trench finishes；
C, compacting processing then is carried out with inner wall of the rammer compacter to pipe trench, (branch is not added in the maximum allowable gradient of pipe trench furrow bank
Support) as shown in table 1；
The maximum allowable gradient (support is not added) of 1 pipe trench furrow bank of table
3) wall pipe installation positioning
A, after the completion of pipe trench excavation, first with two lower clamping and positioning blocks 3 for one group, and in two lower clamping and positioning blocks 3
Between be fixedly connected by connecting rod 4, then transferred to pipe trench, between making under two adjacent groups between clamping and positioning block 3
It is equal away from holding, while guaranteeing that each lower clamping and positioning block 3 is vertical with pipe trench；
B, then by tube body 1 along embedded road through transferring in the lower clamping and positioning block 3 to pipe trench, uniformly covered on tube body 1
It is connected to lantern ring 9, is fixedly connected lantern ring 9 and the lifting lug 11 in lower clamping and positioning block 3 with chain 5, in 1 process of deployment of tube body
In, wall pipe two sides are suitably supported using batten, scaffold tube, wall pipe is lighted in hoisting process using two supports
It hangs, two supporting point position is located at the 1/4 of pipe range, guarantees that wall pipe is skyborne balanced and stablizes；
C, then with two upper clamping and positioning blocks 2 for one group, and between two upper clamping and positioning blocks 2 by connecting rod 4 into
Row is fixedly connected, then is transferred to position corresponding with lower clamping and positioning block 3, and by the T-shaped block in upper clamping and positioning block 2
13 buckle into the T-slot in lower clamping and positioning block 3, screw on screw and are fixed, until all clamping devices install；
D, finally on tube body 1 on the lantern ring 9 of equally spaced position with the lifting lug 11 in chain 5 and upper clamping and positioning block 2 into
Row is fixedly connected；
4) wall pipe connects
After all wall pipe installation positioning, pass through electric melting connection, the first dirt on removing bell and spigot interface
Dirt, and check whether bonding wire is intact, it uses fixture in bellmouth external compression to after connecting, is then set according to the wall pipe of different model
Electric current and conduction time check pipeline absolute altitude and axial location in time, comply with requirement after the completion of the connection of wall pipe；
5) closed-water test
After to the connection of wall pipe, it is continuously passed through water in starting point, and outlet pipe, continuous water flowing 15 are installed in final position
It observes embedded road after minute to be repaired through upper situation, and according to the leakage scenarios of wall pipe link position, to tube bottom after repairing
Hollow out position coarse sand backfill it is closely knit；
6) backfilling of pipe canal
A, after to closed-water test, viscosity is backfilled in pipe trench first, to apart from wall tube top end since wall bottom of the tube
Within the scope of the 0.5m of top, using artificial backfill, backfilling material uses stone fragment, then using machinery from wall pipe axis two sides simultaneously
Backfill, compacting, backfilling of pipe canal soil compaction require as shown in table 2.
The requirement of 2 backfilling of pipe canal soil compaction of table
The above is only specific embodiments of the present invention, but technical characteristic of the invention is not limited thereto.It is any with this hair
Based on bright, to realize essentially identical technical effect, made ground simple change, equivalent replacement or modification etc. are all covered
Among protection scope of the present invention.
Claims (6)
1. a kind of construction method for the polyethylene winding structure pipe that anti-floating tension is bad, the bad polyethylene of the anti-floating tension winds knot
Structure wall pipe, including tube body, the tube body include tube wall and screwed pipe, lateral surface of the screwed pipe uniform winding in the tube wall
On, further include clamping device, is fixedly connected between two adjacent clamping devices of left and right by connecting rod, the clamping device
Including upper clamping and positioning block and lower clamping and positioning block, the upper clamping and positioning block matches with the lower clamping and positioning block, described
Lantern ring is uniformly socketed on tube wall, the lantern ring is connected to the upper clamping and positioning block and the lower clamping and positioning block by chain
Side on, it is characterised in that include the following steps:
1) surveying setting-out
A, the position for needing embedded polyethylene winding structure pipe is measured first, and determines embedded road by arrangement and method for construction
Through, while the diameter of wall pipe is determined according to transport mesh and uninterrupted, the range of operation band delimited further according to the result of measurement；
B, pipeline central axis then is released by the inbuilt starting point of drawing upper wall pipe and terminal, and respectively in starting point and end
Point according to land occupation length, width, construction of prevention work place boundary line, and indicates that equipment, material, equipment and roping vehicle enter and leave out
Place route and place；
C, burying route then according to wall pipe will clear up within the scope of 1.5~2m around it, while determine ground in construction area
The laying situation of underground pipelines formulates arrangement and method for construction, and carries out work of confiding a technological secret；
2) pipe canal digging
A, it is excavated first by construction drawing from starting point with excavator, and embedded road is divided for several rectangular-shaped units, guarantor
The area for demonstrate,proving each rectangular-shaped unit is greater than 1.5 × 3m, and depth reaches the position of setting, and the spacing between excavator and pipe trench is big
In 1.5m；
B, then make excavator in order along embedded road through carrying out pipe canal digging, and guarantee the moving direction and wall pipe of excavator
Road is buried through being parallel to each other, until the excavation of entire pipe trench finishes；
C, compacting processing then is carried out with inner wall of the rammer compacter to pipe trench；
3) wall pipe installation positioning
A, after the completion of pipe trench excavation, first with two lower clamping and positioning blocks for one group, and lead between two lower clamping and positioning blocks
It crosses connecting rod to be fixedly connected, then is transferred to pipe trench, the spacing under two adjacent groups between clamping and positioning block is made to keep phase
Deng, while guaranteeing that each lower clamping and positioning block is vertical with pipe trench；
B, then by tube body along embedded road through transferring in the lower clamping and positioning block to pipe trench, set is uniformly socketed on tube body
Lantern ring and the lifting lug in lower clamping and positioning block are fixedly connected by ring with chain, in tube body process of deployment, using batten,
Scaffold tube suitably supports wall pipe two sides, and wall pipe is lifted by crane in hoisting process using two supporting points, two support
Point setting at the 1/4 of pipe range, guarantee wall pipe it is skyborne it is balanced with stablize；
C, then with two upper clamping and positioning blocks for one group, and company is fixed by connecting rod between two upper clamping and positioning blocks
It connects, then is transferred to position corresponding with lower clamping and positioning block, and the T-shaped block in upper clamping and positioning block is buckled into lower clamping
It in T-slot on locating piece, screws on screw and is fixed, until all clamping devices install；
D, it is finally fixedly connected on the lantern ring of equally spaced position with chain and the lifting lug in upper clamping and positioning block on tube body；
4) wall pipe connects
After all wall pipe installation positioning, by electric melting connection, the first dirt on removing bell and spigot interface, and
Check whether bonding wire is intact, uses fixture in bellmouth external compression to after connecting, then according to the wall pipe setting electric current of different model
And conduction time checks pipeline absolute altitude and axial location in time, complies with requirement after the completion of the connection of wall pipe；
5) closed-water test
After to the connection of wall pipe, it is continuously passed through water in starting point, and outlet pipe, continuous water flowing 15 minutes are installed in final position
The situation on embedded path is observed afterwards, and is repaired according to the leakage scenarios of wall pipe link position, to the digging of tube bottom after repairing
Empty position coarse sand backfills closely knit；
6) backfilling of pipe canal
A, after to closed-water test, clay is backfilled in pipe trench first, to apart from wall pipe top end since wall bottom of the tube
Within the scope of 0.5m, using artificial backfill, backfilling material uses stone fragment, is then returned simultaneously using machinery from wall pipe axis two sides
It fills out, tamp.
2. a kind of construction method of polyethylene winding structure pipe that anti-floating tension is bad according to claim 1, feature
It is: is provided with welding wire, the S-shaped distribution of welding wire on the both ends medial surface of the tube wall.
3. a kind of construction method of polyethylene winding structure pipe that anti-floating tension is bad according to claim 1, feature
It is: is provided with reinforcing rib in the screwed pipe.
4. a kind of construction method of polyethylene winding structure pipe that anti-floating tension is bad according to claim 1, feature
It is: is provided with threaded hole, the threaded hole and the connecting rod in the upper clamping and positioning block and the lower clamping and positioning block
Match, be respectively arranged with half slot in the upper clamping and positioning block and the lower clamping and positioning block, the half slot with it is described
Tube wall and the screwed pipe match, and are symmetrical arranged on the front and back sides of the upper clamping and positioning block and the lower clamping and positioning block
There is lifting lug, the lifting lug matches with the chain, passes through lock between the upper clamping and positioning block and the lower clamping and positioning block
Tight mechanism is fixedly connected.
5. a kind of construction method of polyethylene winding structure pipe that anti-floating tension is bad according to claim 4, feature
Be: the retaining mechanism includes T-shaped block, limiting slot and T-slot, and the limiting slot is symmetricly set on the upper clamping and positioning block
Two sides, the T-slot is symmetricly set on the two sides of the lower clamping and positioning block, and the T-shaped block is rotatably connected on the limit
In slot, the T-shaped block matches with the T-slot, and the T-shaped block is fixedly connected on the lower clamping and positioning block by screw
On.
6. a kind of construction method of polyethylene winding structure pipe that anti-floating tension is bad according to claim 5, feature
Be: the angle between the T-shaped block and the limiting slot is a, and the range of the angle a is the ゜ of 0 ゜~90.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710136584.9A CN107013760B (en) | 2017-03-08 | 2017-03-08 | A kind of polyethylene winding structure pipe that anti-floating tension is bad and its construction method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN112197068B (en) * | 2020-07-30 | 2022-09-13 | 中国电建集团华东勘测设计研究院有限公司 | Frame type inverted U-shaped counterweight device for large underwater pipeline and pipeline installation method |
| CN114151651A (en) * | 2021-12-07 | 2022-03-08 | 山东佰盛能源科技有限公司 | Anticorrosive conveyer pipe with protect function |
| CN115355356A (en) * | 2022-09-02 | 2022-11-18 | 陕西正诚路桥工程研究院有限公司 | Anti-floating device for pipe penetrating and jacking in corrugated pipe |
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| US20120222771A1 (en) * | 2011-03-04 | 2012-09-06 | Pipestream B.V. | On-site manufacturing of composite pipeline |
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| CN201858472U (en) * | 2010-11-29 | 2011-06-08 | 天津盛象塑料管业有限公司 | Pipe hoop for connecting steel belt reinforced polyethylene spiral corrugated pipe |
| CN102661455A (en) * | 2012-06-04 | 2012-09-12 | 吴耕田 | Strengthened tubular product and machining method |
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