CN109519612A - Large-bore plastics pressure pipe and its manufacturing method, connection structure, connection method - Google Patents
Large-bore plastics pressure pipe and its manufacturing method, connection structure, connection method Download PDFInfo
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- CN109519612A CN109519612A CN201910024423.XA CN201910024423A CN109519612A CN 109519612 A CN109519612 A CN 109519612A CN 201910024423 A CN201910024423 A CN 201910024423A CN 109519612 A CN109519612 A CN 109519612A
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- pressure pipe
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- enhancement layer
- inner tube
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- 239000004033 plastic Substances 0.000 title claims abstract description 143
- 229920003023 plastic Polymers 0.000 title claims abstract description 143
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 35
- 238000000034 method Methods 0.000 title claims abstract description 25
- 239000010410 layer Substances 0.000 claims abstract description 99
- 238000005476 soldering Methods 0.000 claims abstract description 33
- 210000004243 sweat Anatomy 0.000 claims abstract description 33
- 239000012790 adhesive layer Substances 0.000 claims abstract description 25
- 238000002844 melting Methods 0.000 claims description 18
- 230000008018 melting Effects 0.000 claims description 18
- 238000010438 heat treatment Methods 0.000 claims description 13
- 239000012943 hotmelt Substances 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 8
- 239000004917 carbon fiber Substances 0.000 claims description 8
- 239000003365 glass fiber Substances 0.000 claims description 8
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 6
- 238000003780 insertion Methods 0.000 claims description 5
- 230000037431 insertion Effects 0.000 claims description 5
- 230000002787 reinforcement Effects 0.000 claims description 4
- 239000004831 Hot glue Substances 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 2
- 238000000465 moulding Methods 0.000 abstract description 7
- 238000001125 extrusion Methods 0.000 description 19
- 238000010276 construction Methods 0.000 description 12
- 238000005265 energy consumption Methods 0.000 description 7
- 238000012545 processing Methods 0.000 description 6
- 230000007797 corrosion Effects 0.000 description 5
- 238000005260 corrosion Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- 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
- F16L9/12—Rigid pipes of plastics with or without reinforcement
- F16L9/127—Rigid pipes of plastics with or without reinforcement the walls consisting of a single layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D23/00—Producing tubular articles
-
- 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
- F16L58/00—Protection of pipes or pipe fittings against corrosion or incrustation
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
The invention discloses large-bore plastics pressure pipe and its manufacturing method, connection structure, connection methods, the pressure pipe includes plastic inner pipe and outer tube, inner tube includes several plastics sections of jurisdiction, all sections of jurisdiction can successively be spliced to form inner tube tube body, sweat soldering between two neighboring section of jurisdiction, outer tube includes enhancement layer and adhesive layer, and enhancement layer is socketed and fits closely in inner tube tube wall, and adhesive layer package enhancement layer is simultaneously adhered to inner tube tube wall.With the pressure pipe, multiple section of jurisdiction sweat soldering formed inner tube tube bodies of inner tube are formed, then there is the outer tube of enhancement layer to form homogeneous tube for connection outside inner tube, bearing pressure capability greatly enhances, rupture after avoiding inner tube from bearing larger pressure along sweat soldering, the large-bore plastics pressure pipe avoid the monolithic extruded molding problems of major diameter pressure pipe, uniform wall thickness, concentricity is good, resistance to pressure is strong, and ring stiffness is high, and yields is high, it is readily produced, it is low in cost.
Description
Technical field
The present invention relates to pipeline manufacturing field, in particular to a kind of large-bore plastics pressure pipe and its manufacturing method, connection
Structure, connection method.
Background technique
Existing plastic pressure pipe generally uses extrusion moulding to produce, and the maximum gauge for producing plastic pressure pipe at present is
2m, such as plastic pressure pipe according to extrusion moulding production heavy caliber (diameter is greater than 2m), are easy to produce pressure thickness of pipe wall and reach
Less than require, eccentric, concentricity is bad, there are bubbles the defects of, cause quality undesirable, yield rate is low, due to squeezing out
The method of forming be it is integrally formed, the production mould size of large-bore plastics pressure pipe is big, requires equipment performance high, and equipment is expensive,
Energy consumption is high, and yield rate is low, and operating difficulties is at high cost.
Summary of the invention
It is an object of the invention to overcome in the presence of the prior art using the production heavy caliber modeling of existing extrusion moulding
Expect that pressure pipe is expensive with equipment, energy consumption is high, yield rate is low, operating difficulties, above-mentioned deficiency at high cost, a kind of heavy caliber is provided
Plastic pressure pipe and its manufacturing method, connection structure, connection method.
In order to achieve the above-mentioned object of the invention, the present invention provides following technical schemes:
A kind of large-bore plastics pressure pipe, including plastic inner pipe and outer tube, said inner tube include several plastics sections of jurisdiction, institute
There is the section of jurisdiction that can successively be spliced to form said inner tube tube body, sweat soldering between the two neighboring section of jurisdiction, the outer tube
Including enhancement layer and adhesive layer, the enhancement layer is socketed and fits closely in said inner tube tube wall, the adhesive layer package
The enhancement layer is simultaneously adhered to said inner tube tube wall.
Using a kind of large-bore plastics pressure pipe of the present invention, form inner tube multiple section of jurisdiction sweat solderings formed in
Pipe tube body compares existing homogeneous tube extrusion molding, and the independent processing and manufacturing difficulty in each section of jurisdiction of the application is low, and equipment investment is small, energy consumption
Low, at low cost, high yield rate is high-efficient, and multiple section of jurisdiction sweat solderings can be made to the bigbore plastics pressure of any bore
Solenoid, then there is the outer tube of enhancement layer to form homogeneous tube for connection outside inner tube, bearing pressure capability greatly enhances, and inner tube is avoided to bear
Rupture after larger pressure along sweat soldering solves existing extrusion moulding and is difficult to make the difficulty of bigbore plastic pressure pipe
Topic, the large-bore plastics pressure pipe avoid the monolithic extruded molding problems of major diameter pressure pipe, and bore is big, and wall thickness is equal
Even, concentricity is good, and resistance to pressure is strong, and ring stiffness is high, and yields is high, and equipment is cheap, and good operability is readily produced, low in cost.
Preferably, electric hot plate is provided between the junction between the two neighboring section of jurisdiction.
Using this structure setting, the mode of the electric hot plate hot melt heating is easily achieved, and the electric hot plate is low in cost,
Convenient for buying, it is easily installed setting, is a kind of sweat soldering component with good using effect that can be realized with a low cost.
Preferably, using each section of jurisdiction of extrusion molding model extrusion.
Preferably, the shapes and sizes of each section of jurisdiction are identical.
Production and storage management using this structure setting, convenient for the section of jurisdiction.
Preferably, the size of each section of jurisdiction is smaller, production easy to process, quality of finished product good, and yields is high.
Preferably, the enhancement layer is steel mesh layer, glass fiber mesh layer or carbon fiber stratum reticulare.
Using this structure setting, steel mesh layer, glass fiber mesh layer or carbon fiber stratum reticulare have good intensity, are easy to
Installation settings, convenient for buying, so that outer tube resistance to pressure is strong, ring stiffness is high, and bearing capacity is good.
Preferably, the adhesive layer is the hot melt plastic bed of material.
Using this structure setting, hot melting plastic has good cementability in the outer wall of inner tube of plastics, while can
Good package enhancement layer, enhancement layer and inner tube are connected to form a whole, while it is with good corrosion resistance, just
In being embedded in underground operating condition, enhancement layer is protected.
Preferably, the outer tube includes at least two layers enhancement layer.
Using this structure setting, the bearing capacity of the large-bore plastics pressure pipe is further increased.
Preferably, it is equipped at least one layer of enhancement layer in each section of jurisdiction, further enhances the strong of each section of jurisdiction
Degree.
Preferably, the enhancement layer is steel screen layer, glass fiber mesh layer or carbon fiber stratum reticulare.
The present invention also provides a kind of manufacturing methods of large-bore plastics pressure pipe, comprising the following steps:
A, splice two sections of jurisdiction, electric hot plate is set in the splicing seams of two sections of jurisdiction, the electric hot plate contacts corresponding institute
State the side wall of section of jurisdiction；
B, the electric hot plate is powered, and makes the corresponding side wall hot-melt adhesive paste in two sections of jurisdiction together；
C, on the basis of the section of jurisdiction that the step B is obtained, the step A-B, successively sweat soldering are repeated in
Formed inner tube tube body；
D, it is arranged enhancement layer on said inner tube tube wall, fits closely the enhancement layer in outside said inner tube tube body
Wall；
E, adhesive layer is coated on the enhancement layer and forms outer tube, and the adhesive layer wraps up the enhancement layer and is adhered to institute
State inner tube tube wall.
Using a kind of manufacturing method of large-bore plastics pressure pipe of the present invention, multiple sections of jurisdiction hot melt of inner tube is formed
Formed inner tube tube body is welded, existing homogeneous tube extrusion molding is compared, the independent processing and manufacturing difficulty in each section of jurisdiction of the application is low, and equipment is thrown
Provide small, low energy consumption, at low cost, high yield rate, and it is high-efficient, multiple section of jurisdiction sweat solderings can be made into bigbore plastic pressure
Pipe, then outside inner tube connection have enhancement layer outer tube formed homogeneous tube, bear pressure capability greatly enhance, avoid inner tube bear compared with
Rupture after big pressure along sweat soldering, solves existing extrusion moulding and is difficult to make the difficulty of bigbore plastic pressure pipe
Topic, the large-bore plastics pressure pipe avoid the monolithic extruded molding problems of major diameter pressure pipe, the manufacturing method step
Simply, easy to operate, the product uniform wall thickness of production, concentricity is good, and resistance to pressure is strong, and ring stiffness is high, and yields is high, is easy to raw
It produces, it is low in cost.
Preferably, the step E the following steps are included:
E1, rotation said inner tube tube body, the enhancement layer rotate with it；
E2, hot melting plastic is coated on the enhancement layer using extruding machine；
E3, the outer tube for extremely being designed the hot melting plastic of coating along the roll-in of said inner tube tube wall using roller
Thickness, the hot melting plastic wrap up the enhancement layer and are adhered to said inner tube tube wall, shape after the hot melting plastic is cooling
At the adhesive layer.
In this way, the adhesive layer is the hot melt plastic bed of material, and hot melting plastic has good in the outer wall of inner tube of plastics
Cementability, while can good package enhancement layer, enhancement layer and inner tube are connected to form a whole, while it has
Good corrosion resistance protects enhancement layer convenient for being embedded in underground operating condition.
Preferably, after executing the step E, it is arranged the enhancement layer on the outer tube tube wall, makes the reinforcement
Layer is fitted closely in the outer tube tube wall, and the adhesive layer is coated on the enhancement layer.
In this way, the bearing capacity of the large-bore plastics pressure pipe is further increased.
Preferably, the bonding material of the adhesive layer is helically wound is arranged in said inner tube tube wall.
The present invention also provides a kind of for connecting the connection structure of two large-bore plastics pressure pipes as described above,
The large-bore plastics pressure pipe of two small sizes, large scale are connected using large-sized large-bore plastics pressure pipe
Large-bore plastics pressure inside pipe wall insertion be equipped with heating wire, be integrally formed connector sleeve, the connector sleeve internal diameter adaptation is small
One end of the large-bore plastics pressure pipe outside diameter of size, the large-bore plastics pressure pipe of each small size is sheathed on institute
It states in connector sleeve.
Using a kind of connection structure of large-bore plastics pressure pipe of the present invention, directly moulded using ready-made heavy caliber
Expect that pressure inside pipe wall insertion heating wire forms connector sleeve, structure is simple, and it is easy to use, can quickly it be arranged at the construction field (site),
Large-bore plastics pressure pipe described in two is effectively linked together in the construction process.
Preferably, the end of the said inner tube of the large-bore plastics pressure pipe of two small sizes and outer tube alignment
Between be equipped with the electric hot plate, the electric hot plate is powered the end sweat soldering for being aligned two said inner tubes and the outer tube.
The present invention also provides a kind of for connecting the connection method of two large-bore plastics pressure pipes as described above,
Using connection structure as described above, the connection method the following steps are included:
A, one end of the large-bore plastics pressure pipe of two small sizes is sheathed in the connector sleeve；
B, it is bonded the large-bore plastics pressure pipe end part aligning of two small sizes；
C, the heating wire is powered, the institute of the large-bore plastics pressure pipe of the connector sleeve inner wall and two small sizes
The outer wall sweat soldering for stating outer tube is integral.
Using a kind of connection method of large-bore plastics pressure pipe of the present invention, step is simple, easy to operate, energy
Enough quickly settings at the construction field (site), are effectively connected to one for large-bore plastics pressure pipe described in two in the construction process
It rises.
In conclusion by adopting the above-described technical solution, the beneficial effects of the present invention are:
1, with a kind of large-bore plastics pressure pipe of the present invention, the multiple section of jurisdiction sweat solderings for forming inner tube are formed
Inner tube tube body compares existing homogeneous tube extrusion molding, and the independent processing and manufacturing difficulty in each section of jurisdiction of the application is low, and equipment investment is small, energy
Low, at low cost, high yield rate is consumed, it is high-efficient, multiple section of jurisdiction sweat solderings can be made to the bigbore plastics of any bore
Pressure pipe, then there is the outer tube of enhancement layer to form homogeneous tube for connection outside inner tube, bearing pressure capability greatly enhances, and inner tube is avoided to hold
Rupture after by larger pressure along sweat soldering solves existing extrusion moulding and is difficult to make bigbore plastic pressure pipe
Problem, the large-bore plastics pressure pipe avoid the monolithic extruded molding problems of major diameter pressure pipe, and bore is big, wall thickness
Uniformly, concentricity is good, and resistance to pressure is strong, and ring stiffness is high, and yields is high, and equipment is cheap, and good operability is readily produced, low in cost；
2, with a kind of large-bore plastics pressure pipe of the present invention, between the junction between the two neighboring section of jurisdiction
It is provided with electric hot plate, using this structure setting, the mode of the electric hot plate hot melt heating is easily achieved, the electric hot plate cost
It is cheap, convenient for buying, it is easily installed setting, is a kind of thermofussion welding socket part with good using effect that can be realized with a low cost
Part；
3, with a kind of large-bore plastics pressure pipe of the present invention, the shapes and sizes of each section of jurisdiction are identical,
Production and storage management using this structure setting, convenient for the section of jurisdiction；
4, with a kind of large-bore plastics pressure pipe of the present invention, the enhancement layer is steel mesh layer, glass fiber mesh
Layer or carbon fiber stratum reticulare, using this structure setting, steel mesh layer, glass fiber mesh layer or carbon fiber stratum reticulare have good
Intensity is easily installed setting, and convenient for buying, so that outer tube resistance to pressure is strong, ring stiffness is high, and bearing capacity is good；
5, with a kind of large-bore plastics pressure pipe of the present invention, the adhesive layer is the hot melt plastic bed of material, using this
Kind structure setting, hot melting plastic have good cementability in the outer wall of inner tube of plastics, while being capable of good package reinforcement
Layer, enhancement layer and inner tube is connected to form a whole, while it is with good corrosion resistance, convenient for being embedded in underground work
Condition protects enhancement layer；
6, with a kind of large-bore plastics pressure pipe of the present invention, the outer tube includes at least two layers reinforcement
Layer, using this structure setting, further increases the bearing capacity of the large-bore plastics pressure pipe；
7, at least one layer of enhancing is equipped with a kind of large-bore plastics pressure pipe of the present invention, in each section of jurisdiction
Layer, further enhances the intensity of each section of jurisdiction；
8, with a kind of manufacturing method of large-bore plastics pressure pipe of the present invention, multiple sections of jurisdiction heat of inner tube is formed
Fusion welding formed inner tube tube body compares existing homogeneous tube extrusion molding, and the independent processing and manufacturing difficulty in each section of jurisdiction of the application is low, equipment
Invest small, low energy consumption, at low cost, high yield rate, and it is high-efficient, multiple section of jurisdiction sweat solderings can be made into bigbore plastics pressure
Solenoid, then there is the outer tube of enhancement layer to form homogeneous tube for connection outside inner tube, bearing pressure capability greatly enhances, and inner tube is avoided to bear
Rupture after larger pressure along sweat soldering solves existing extrusion moulding and is difficult to make the difficulty of bigbore plastic pressure pipe
Topic, the large-bore plastics pressure pipe avoid the monolithic extruded molding problems of major diameter pressure pipe, the manufacturing method step
Simply, easy to operate, the product uniform wall thickness of production, concentricity is good, and resistance to pressure is strong, and ring stiffness is high, and yields is high, is easy to raw
It produces, it is low in cost；
9, with a kind of connection structure of large-bore plastics pressure pipe of the present invention, ready-made heavy caliber is directly utilized
Plastic pressure inside pipe wall is embedded in heating wire and forms connector sleeve, and structure is simple, easy to use, can quickly set at the construction field (site)
It sets, large-bore plastics pressure pipe described in two effectively links together in the construction process；
10, with a kind of connection method of large-bore plastics pressure pipe of the present invention, step is simple, operation side
Just, it can quickly be arranged at the construction field (site), in the construction process effectively connect large-bore plastics pressure pipe described in two
Together.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of large-bore plastics pressure pipe of the present invention；
Fig. 2 is the enlarged diagram of A in Fig. 1；
Fig. 3 is the structural schematic diagram of section of jurisdiction；
Fig. 4 is the structural schematic diagram that adhesive layer is arranged；
Fig. 5 is a kind of structural schematic diagram of the connection structure of large-bore plastics pressure pipe of the present invention；
Fig. 6 is the longitudinal profile of Fig. 5.
Marked in the figure: 1- inner tube, the section of jurisdiction 11-, 12- electric hot plate, 13- side wall, 2- outer tube, 21- enhancement layer, 22- adhesive layer,
3- extruding machine, 4- roller, 5- connector sleeve.
Specific embodiment
Below with reference to test example and specific embodiment, the present invention is described in further detail.But this should not be understood
It is all that this is belonged to based on the technology that the content of present invention is realized for the scope of the above subject matter of the present invention is limited to the following embodiments
The range of invention.
Embodiment 1
As shown in Figure 1-3, a kind of large-bore plastics pressure pipe of the present invention, including plastic inner pipe 1 and outer tube 2.
Said inner tube 1 includes several plastics sections of jurisdiction 11, and all sections of jurisdiction 11 can successively be spliced to form said inner tube 1
The shapes and sizes of tube body, each section of jurisdiction 11 are identical, production and storage management convenient for the section of jurisdiction 11, using extrusion
The each section of jurisdiction 11 of model extrusion is formed, the size of each section of jurisdiction 11 is smaller, production easy to process, and quality of finished product good is good
Product rate is high, is equipped at least one layer of enhancement layer in each section of jurisdiction 11, further enhances the intensity of each section of jurisdiction 11, institute
Stating enhancement layer is steel screen layer, sweat soldering between the two neighboring section of jurisdiction 11, the company between the two neighboring section of jurisdiction 11
Electric hot plate 12 is provided between the place of connecing, the mode of the hot melt of electric hot plate 12 heating is easily achieved, and the electric hot plate 12 is low in cost,
Convenient for buying, it is easily installed setting, is a kind of sweat soldering component with good using effect that can be realized with a low cost.
The outer tube 2 includes enhancement layer 21 and adhesive layer 22, and the enhancement layer 21 is socketed and fits closely in said inner tube 1
Tube wall, the adhesive layer 22 wrap up the enhancement layer 21 and are adhered to 1 tube wall of said inner tube；The enhancement layer 21 is
Perhaps carbon fiber stratum reticulare is good since steel mesh layer, glass fiber mesh layer or carbon fiber stratum reticulare have for steel mesh layer, glass fiber mesh layer
Good intensity, is easily installed setting, and convenient for buying, so that 2 resistance to pressure of outer tube is strong, ring stiffness is high, and bearing capacity is good；The bonding
Layer 22 is the hot melt plastic bed of material, and hot melting plastic has good cementability in 1 outer wall of inner tube of plastics, while good can wrap
Enhancement layer 21 is wrapped up in, enhancement layer 21 and inner tube 1 are connected to form a whole, while it is convenient for good corrosion resistance
It is embedded in underground operating condition, protects enhancement layer 21；The outer tube 2 includes at least two layers enhancement layer 21, further increases the big mouth
The bearing capacity of diameter plastic pressure pipe.
With a kind of large-bore plastics pressure pipe of the present invention, the 11 sweat soldering shape of multiple sections of jurisdiction of inner tube 1 is formed
At 1 tube body of inner tube, existing homogeneous tube extrusion molding is compared, the independent processing and manufacturing difficulty in each section of jurisdiction 11 of the application is low, equipment investment
Small, low energy consumption, at low cost, and high yield rate is high-efficient, and multiple 11 sweat solderings of section of jurisdiction can be made to the heavy caliber of any bore
Plastic pressure pipe, then outside inner tube 1 connection have enhancement layer 21 outer tube 2 formed homogeneous tube, bear pressure capability greatly enhance,
Rupture after avoiding inner tube 1 from bearing larger pressure along sweat soldering, solve existing extrusion moulding be difficult to make it is bigbore
The problem of plastic pressure pipe, the large-bore plastics pressure pipe avoid the monolithic extruded molding problems of major diameter pressure pipe,
Its bore is big, uniform wall thickness, and concentricity is good, and resistance to pressure is strong, and ring stiffness is high, and yields is high, and equipment is cheap, and good operability is easy to
Production, it is low in cost.
Embodiment 2
As shown in figure 4, of the present invention a kind of for manufacturing the system of large-bore plastics pressure pipe as described in Example 1
Make method, comprising the following steps:
A, splice two sections of jurisdiction 11, electric hot plate 12 is set in the splicing seams of two sections of jurisdiction 11, the electric hot plate 12 connects
The side wall 13 of the corresponding section of jurisdiction 11 of touching；
B, the electric hot plate 12 is powered, and makes corresponding 13 hot-melt adhesive paste of side wall in two sections of jurisdiction 11 together；
C, on the basis of the section of jurisdiction 11 that the step B is obtained, the step A-B, successively thermofussion welding are repeated in
Connect 1 tube body of formed inner tube；
D, it is arranged enhancement layer 21 on 1 tube wall of said inner tube, fits closely the enhancement layer 21 in said inner tube 1
Tube wall；
E, 1 tube body of said inner tube is rotated, the enhancement layer 21 rotates with it；
F, hot melting plastic is coated on the enhancement layer 21 using extruding machine 3, and the helically wound setting of hot melting plastic exists
1 tube wall of said inner tube, hot melting plastic have good cementability in 1 outer wall of inner tube of plastics, while can be good
Enhancement layer 21 is wrapped up, enhancement layer 21 and inner tube 1 are connected to form a whole, while it is with good corrosion resistance, just
In being embedded in underground operating condition, enhancement layer 21 is protected；
G, using roller 4 that the hot melting plastic of coating is described outer to what is designed along 1 tube wall roll-in of said inner tube
2 thickness of pipe, the hot melting plastic wrap up the enhancement layer 21 and are adhered to 1 tube wall of said inner tube, and the hot melting plastic is cold
But the adhesive layer 22 is formed afterwards；
H, it is arranged the enhancement layer 21 on 2 tube wall of outer tube, fits closely the enhancement layer 21 in described
2 tube wall of outer tube coats the adhesive layer 22 on the enhancement layer 21, further increases the large-bore plastics pressure pipe
Bearing capacity.
With a kind of manufacturing method of large-bore plastics pressure pipe of the present invention, multiple sections of jurisdiction 11 of inner tube 1 are formed
1 tube body of sweat soldering formed inner tube compares existing homogeneous tube extrusion molding, the independent processing and manufacturing difficulty in each section of jurisdiction 11 of the application
Low, equipment investment is small, and low energy consumption, at low cost, and high yield rate is high-efficient, and multiple 11 sweat solderings of section of jurisdiction can be made big mouth
The plastic pressure pipe of diameter, then there is the outer tube 2 of enhancement layer 21 to form homogeneous tube for connection outside inner tube 1, bears pressure capability and greatly increases
By force, the rupture after avoiding inner tube 1 from bearing larger pressure along sweat soldering solves existing extrusion moulding and is difficult to make heavy caliber
Plastic pressure pipe problem, which avoids that major diameter pressure pipe is monolithic extruded molding many to ask
Topic, the manufacturing method step is simple, and easy to operate, the product uniform wall thickness of production, concentricity is good, and resistance to pressure is strong, and ring stiffness is high,
Yields is high, is readily produced, low in cost.
Embodiment 3
As seen in figs. 5-6, of the present invention a kind of for connecting two large-bore plastics pressure as described in Example 1
The connection structure of pipe connects the large-bore plastics of two small sizes using large-sized large-bore plastics pressure pipe
Pressure pipe.
Large-sized large-bore plastics pressure inside pipe wall insertion is equipped with heating wire, and connector sleeve 5, the company is integrally formed
5 internal diameter of female connector is adapted to the large-bore plastics pressure pipe outside diameter of small size, the large-bore plastics pressure of each small size
One end of pipe is sheathed in the connector sleeve 5, the said inner tube 1 of the large-bore plastics pressure pipe of two small sizes and described
The electric hot plate 12 is equipped between the end that outer tube 2 is aligned.
The heating wire and the electric hot plate 12 make 5 inner wall of connector sleeve and two small rulers for the hot melting plastic that is powered
The outer wall sweat soldering of the outer tube 2 of the very little large-bore plastics pressure pipe is integral and by two 1 Hes of said inner tube
The end sweat soldering that the outer tube 2 is aligned, after connection, all electric hot plates 12 are embedded in plastics inner.
With a kind of connection structure of large-bore plastics pressure pipe of the present invention, directly moulded using ready-made heavy caliber
Expect that pressure inside pipe wall insertion heating wire forms connector sleeve 5, structure is simple, and it is easy to use, can quickly it be arranged at the construction field (site),
Large-bore plastics pressure pipe described in two is effectively linked together in the construction process.
Embodiment 4
As seen in figs. 5-6, of the present invention a kind of for connecting two large-bore plastics pressure as described in Example 1
The connection method of pipe, using connection structure as described in Example 3, the connection method the following steps are included:
A, one end of the large-bore plastics pressure pipe of two small sizes is sheathed in the connector sleeve (5)；
B, be bonded the large-bore plastics pressure pipe end part aligning of two small sizes, two of them small size it is described
The electric hot plate 12 between 2 end of said inner tube 1 and the outer tube of large-bore plastics pressure pipe；
C, the electric hot plate 12 is powered, and two said inner tubes 1 and 2 end sweat soldering of the outer tube are connected together；
D, the heating wire is powered, the large-bore plastics pressure pipe of connector sleeve (5) inner wall and two small sizes
The outer tube (2) outer wall sweat soldering it is integral.
With a kind of connection method of large-bore plastics pressure pipe of the present invention, step is simple, easy to operate, energy
Enough quickly settings at the construction field (site), are effectively connected to one for large-bore plastics pressure pipe described in two in the construction process
It rises.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (10)
1. a kind of large-bore plastics pressure pipe, including plastic inner pipe (1) and outer tube (2), which is characterized in that said inner tube (1) packet
Several plastics sections of jurisdiction (11) are included, all sections of jurisdiction (11) can successively be spliced to form said inner tube (1) tube body, two neighboring
Sweat soldering between the section of jurisdiction (11), the outer tube (2) include enhancement layer (21) and adhesive layer (22), the enhancement layer (21)
It is socketed and fits closely in said inner tube (1) tube wall, the adhesive layer (22) is wrapped up the enhancement layer (21) and is adhered to
Said inner tube (1) tube wall.
2. large-bore plastics pressure pipe according to claim 1, which is characterized in that between the two neighboring section of jurisdiction (11)
Junction between be provided with electric hot plate (12).
3. large-bore plastics pressure pipe according to claim 1, which is characterized in that the shape of each section of jurisdiction (11) and
Size is identical.
4. large-bore plastics pressure pipe according to claim 1, which is characterized in that the enhancement layer (21) be steel mesh layer,
Glass fiber mesh layer or carbon fiber stratum reticulare.
5. large-bore plastics pressure pipe according to claim 1-4, which is characterized in that the adhesive layer (22) is
The hot melt plastic bed of material.
6. a kind of manufacturing method of large-bore plastics pressure pipe, which comprises the following steps:
A, splice two sections of jurisdiction (11), electric hot plate (12) are set in the splicing seams of two sections of jurisdiction (11), the electric hot plate
(12) side wall (13) of the corresponding section of jurisdiction (11) of contact；
B, the electric hot plate (12) is powered, and makes corresponding side wall (13) hot-melt adhesive paste of two sections of jurisdiction (11) together；
C, on the basis of the section of jurisdiction (11) that the step B is obtained, the step A-B, successively sweat soldering are repeated in
Formed inner tube (1) tube body；
D, enhancement layer (21) are arranged on said inner tube (1) tube wall, fit closely the enhancement layer (21) in described interior
Manage (1) tube wall；
E, adhesive layer (22) being coated on the enhancement layer (21) and forming outer tube (2), the adhesive layer (22) wraps up the reinforcement
Layer (21) is simultaneously adhered to said inner tube (1) tube wall.
7. the manufacturing method of large-bore plastics pressure pipe according to claim 6, which is characterized in that the step E includes
Following steps:
E1, rotation said inner tube (1) tube body, the enhancement layer (21) rotate with it；
E2, hot melting plastic is coated on the enhancement layer (21) using extruding machine (3)；
E3, using roller (4) by the hot melting plastic of coating along the described outer of said inner tube (1) tube wall roll-in to design
(2) thickness is managed, the hot melting plastic wraps up the enhancement layer (21) and is adhered to said inner tube (1) tube wall, the hot melt
The adhesive layer (22) are formed after plastics are cooling.
8. according to the manufacturing method of the described in any item large-bore plastics pressure pipes of claim 6-7, which is characterized in that execute institute
After stating step E, the enhancement layer (21) are arranged on the outer tube (2) tube wall, fit closely the enhancement layer (21)
In the outer tube (2) tube wall, the adhesive layer (22) are coated on the enhancement layer (21).
9. a kind of for connecting the connection structure of two large-bore plastics pressure pipes as claimed in claim 5, which is characterized in that
The large-bore plastics pressure pipe of two small sizes, large scale are connected using large-sized large-bore plastics pressure pipe
The large-bore plastics pressure inside pipe wall insertion be equipped with heating wire, be integrally formed connector sleeve (5), connector sleeve (5) internal diameter
It is adapted to the large-bore plastics pressure pipe outside diameter of small size, an end cap of the large-bore plastics pressure pipe of each small size
In the connector sleeve (5).
10. a kind of for connecting the connection method of two large-bore plastics pressure pipes as claimed in claim 5, feature exists
In, using connection structure as claimed in claim 9, the connection method the following steps are included:
A, one end of the large-bore plastics pressure pipe of two small sizes is sheathed in the connector sleeve (5)；
B, it is bonded the large-bore plastics pressure pipe end part aligning of two small sizes；
C, the heating wire is powered, the institute of the large-bore plastics pressure pipe of connector sleeve (5) inner wall and two small sizes
The outer wall sweat soldering for stating outer tube (2) is integral.
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| CN201910024423.XA CN109519612A (en) | 2019-01-10 | 2019-01-10 | Large-bore plastics pressure pipe and its manufacturing method, connection structure, connection method |
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| CN201910024423.XA CN109519612A (en) | 2019-01-10 | 2019-01-10 | Large-bore plastics pressure pipe and its manufacturing method, connection structure, connection method |
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Cited By (1)
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