CN100357650C - Pipe end flange of steel-frame reinforced composite plastic pipe and method for fabricating same - Google Patents
Pipe end flange of steel-frame reinforced composite plastic pipe and method for fabricating same Download PDFInfo
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- CN100357650C CN100357650C CNB2005100210778A CN200510021077A CN100357650C CN 100357650 C CN100357650 C CN 100357650C CN B2005100210778 A CNB2005100210778 A CN B2005100210778A CN 200510021077 A CN200510021077 A CN 200510021077A CN 100357650 C CN100357650 C CN 100357650C
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Abstract
The present invention provides a pipe end flange of a pipe made of steel frame reinforced compound plastic, which is composed of a plastic compound pipeline reinforced by a steel frame or a pipe piece and a plastic flange which rotates, rubs, is heated, melted and connected with the surface and the end surface of an outer cone of the end part of the compound pipeline or the pipe piece, wherein the plastic flange is provided with an inner wall which matches with the taper of the surface of the outer cone of the compound pipeline or the pipe piece and is in the taper and a step surface which is melted and connected with the end surface of the compound pipeline or the pipe piece. When the inner wall and the end surface of a step contact with the surface and the end surface of the outer cone of the compound pipeline or the pipe piece and generate rotary rubbing, the rubbed contact surface of the inner wall, the end surface of the step and the surface and the end surface of the outer cone of the compound pipeline or the pipe piece is melted because of generated heat, generated liquid melt melts and connects the inner wall of the plastic flange, the end surface of the step and the surface of the outer cone of the compound pipeline or the pipe piece and the end surface of the pipe, and the plastic flange and the compound pipeline or the pipe piece become the permanent melted and connected pipe end flange. The pipe end flange of the present invention is melted and connected with the end surface of the compound pipeline and the surface of the outer cone at the same time and has the advantages of reliable connection, convenient construction, high bearing capability and wide application range.
Description
Technical field:
The present invention relates to a kind of pipe end flange, particularly be pipe end flange and the manufacture method that is used for the steel-frame reinforced composite plastic pipe of pertusate metal frame.
Background technique:
Make to strengthen body with pertusate metal frame, on this skeleton, extrude composite polymeric materials and the skeleton coating is formed steel-plastic composite pipe as continuum, or the internal and external layer plastic tube wall can answer requirement of engineering to be designed to different polymer materials, internal and external layer plastic tube wall and metal frame particularly be connected as a single entity the each other steel-frame reinforced composite plastic pipe that is combined with each other securely of the hole by metal frame and adhesive layer are produced in enormous quantities and are used, this pipeline promptly has the higher bearing capacity of metallic conduit, because of inside and outside wall with plastics and the hole by metal frame inside and outside wall is connected as a single entity again, advantages of good anticorrosion performance and pipeline switching performance are arranged, with metallic conduit and pure plastic pipe channel ratio, comprehensive performance is arranged, at chemical industry, oil transportation, delivery of fuel gas, obtaining on discharge pressure and the Korrosionsmedium widely and use, is a kind of structural preferably multiple tube.But, it is to make pipe fitting and tubing cylindrical connect the fusion of interface generation polymer by the electric heating wire that polymer pipe fitting joint socket inwall is laid by electric heating to be connected to become permanent the connection that present pipe fitting is connected with tubing, there is following defective in this traditional Placement: first, owing to will lay electric heating wire at pipe fitting joint socket inwall, the manufacturing of pipe fitting is very numerous and diverse, technical difficulty is big, because equipment or operate miss often cause the pipe fitting product qualified rate to reduce, second, pipe fitting is connected at the construction field (site) with tubing, need complicated electric heating equipment and very high personnel operation skill, could guarantee that pipe fitting joint socket and tubing cylindrical connect interface complete generation polymer fusion and be connected, particularly for the connection of the steel-frame reinforced composite plastic pipe of pertusate metal frame, because metal frame will be drawn a large amount of heats, therefore need utilize electric heating wire that connection part is carried out long-time a large amount of heating, make composite pipe termination and pipe fitting (or flange) inside gather a large amount of heats, the cooling contour projector is also very big, in the cooling contraction process, very easily cause between metal frame and the internal and external layer plastics, between composite pipe outer layer plastic and the pipe fitting, tear separating delamination between plastics and the electric heating wire, have a strong impact on quality of connection.The 3rd, because traditional Placement pipe fitting can only connect the fusion of interface generation polymer at pipe fitting joint socket and tubing cylindrical with tubing and be connected, can't solve the steel-frame reinforced composite plastic pipe end face must seal to prevent causing Steel Skeleton to corrode outside owing to Steel Skeleton is exposed, difficult problem with the plastic tube wall separating delamination, have to when producing, steel-plastic composite pipe increase by one sealing process in the past, promptly earlier make seal mouth ring with injection machine, with electric heating panel seal mouth ring and end face of steel-plastic composite tube heat fusing are sealedly connected again, also to cut smoothing to the inside and outside circle of sealing surface, perhaps injection machine is put in the composite pipe termination, extrude a compound sealing head in the composite pipe termination, the defective of this mode is that the sealing head that melt extrudes can not carry out heat fusing fully with the composite pipe termination that is in the normal temperature state well and is connected, in construction or long-term the use, easily cause sealing head and composite pipe termination separating delamination, there is aggressive medium to go into metal frame by the metal frame of pipe end and the contacting permeation of polymer, the corroding metal skeleton, and then wear out the plastic outer layer on the metal frame and pipeline was lost efficacy, thereby cause the whole tubing damage inactivation.
And the plastic-aluminum combined tube end of widespread usage does not all carry out encapsulation process in the market, in long-term the use, fed sheet of a media corrodes exposed metal, cause metal and plastics separating delamination, aggressive medium is gone into metal frame by the metal frame of pipe end and the contacting permeation of polymer, further corroding metal skeleton, and then wear out the plastic layer on the metal frame and pipeline was lost efficacy, thereby the whole tubing damage inactivation caused.
Summary of the invention:
The objective of the invention is in order to overcome above deficiency, provide a kind of and can solve metallic skeleton reinforced composite plastic pipe and the polymer pipe fitting pipe end flange of the steel-frame reinforced composite plastic pipe that is connected with the end-face friction heating and melting of conical surface outside.Another object of the present invention is the manufacture method for the pipe end flange that the high steel-frame reinforced composite plastic pipe of a kind of manufacturing efficiency is provided.
The object of the present invention is achieved like this:
The pipe end flange of steel-frame reinforced composite plastic pipe of the present invention is made up of with a plastics flange that is connected with end face spin friction heating and melting with the outer cone surface of multiple tube or pipe fitting end plastic composition pipeline or pipe fitting that Steel Skeleton strengthens, this plastics flange has an inwall that is tapering and a step surface that is connected with the end face fusion of multiple tube or pipe fitting that matches with the tapering on multiple tube or pipe fitting outer cone surface, the outer cone surface of this inwall and step end face and multiple tube or pipe fitting contacts with end face and when producing spin friction, their frictional contact surface Yin Shengre and fusion, the smelt that produces couples together the outer cone surface and the fusion of pipe end face of plastics flange inwall and step end face and multiple tube or pipe fitting, make plastics flange become the pipe end flange that nonvolatil fusion is connected with multiple tube or pipe fitting, when the steel-frame reinforced composite plastic pipe road is installed at the construction field (site), only need to adopt simple electric heating panel that the plastics flange end face heat fusing on the composite plastic pipe is coupled together and to form pipe network, not only cancelled the electric heating wire pipe fitting, reduced manufacture cost, simplify the connection operation of composite plastic pipe greatly, improved steel-frame reinforced composite plastic pipe road quality of connection simultaneously.
It is steel pipe that the plastic composition pipeline that above-mentioned Steel Skeleton strengthens or the Steel Skeleton of pipe fitting strengthen body, is compounded with thermoplastic and forms tube wall on the inside and outside wall of steel pipe.
It is that the broadwise steel wire twines the warp-wise steel wire and through the Steel Skeleton of welding fabrication that the plastic composition pipeline that above-mentioned Steel Skeleton strengthens or the Steel Skeleton of pipe fitting strengthen body, or the Steel Skeleton of at least one left-handed winding plastic tube wall and at least one dextrorotation winding plastic tube wall formation intersection grid, or on plastic tube wall, twine the Steel Skeleton that braided steel wire forms, or there is the boxing of hole pattern roll of steel plate to be connected into the Steel Skeleton of tubular, hole by skeleton connects the plastics continuum of internal and external walls to be combined with each other and forms inside and outside tube wall, plastics flange put the termination of above-mentioned various steel-frame reinforced composite plastic pipes and adopt that friction generates heat and make its melt surface, fusion is connected to become permanent the connection with the interior step face with the conical joint socket internal surface of plastics flange simultaneously for the termination cylindrical of multiple tube and end face.
Be compounded with metal frame in the above-mentioned plastics flange, further strengthened the bearing strength of plastics flange, also strengthened reliability and bearing strength that the composite plastic pipe system connects.
The step surface that above-mentioned plastics flange has the wall thickness of the circular cone end face of a plastic composition pipeline that strengthens with Steel Skeleton or pipe fitting to equate, step surface equates with the wall thickness of the circular cone end face of multiple tube or pipe fitting, after plastics flange and multiple tube or pipe fitting friction heating and melting are connected, except that there is the connection boss of protrusion of rounding off melting extruding joint, can guarantee that plastics flange is consistent with the endoporus aperture of multiple tube or pipe fitting, fluid flows smooth and easy.
The pipe thickness of the end face that is connected with other plastics flange on the above-mentioned plastics flange is greater than multiple tube or tube wall thickness, to guarantee on the plastics flange with after other plastics flange is connected enough intensity and bearing capacity being arranged in the joint.
The joint socket that can be connected with another pipeline or the same fusion of pipe fitting is arranged on above-mentioned plastics flange one end.
Above-mentioned plastics flange has porose flange that can be connected with miscellaneous equipment or pipeline or the flange that the slope boss is arranged, by porose flange or the flange of boss is arranged, and can realization and being connected of various device and pipe fitting even non-standard component.
Above-mentioned plastics flange is inlaid with the metal insert that contains connecting thread, by metal insert and connecting thread, can realization be connected with the firm of metal pipe or pipe fitting.
The pipe end flange of above-mentioned steel-frame reinforced composite plastic pipe, the plastic composition pipeline that Steel Skeleton strengthens or the internal and external layer plastics of pipe fitting are non-cross-linking refractory polyethylene.This pipeline material can be carried high temperature media, can carry out frictional heat with the common plastics flange again and fusion is connected.
The plastic composition pipeline that above-mentioned Steel Skeleton strengthens or the inner plastic of pipe fitting are organosilane crosslinked polyethylene, and outer layer plastic is a non-crosslinked heatproof polyethylene.Inner plastic is that organosilane crosslinked polyethylene can be carried high temperature media, reduced cost of material, and outer layer plastic is a non-cross-linking refractory polyethylene, can carry out frictional heat with the common plastics flange easily and fusion is connected.
The plastic composition pipeline that above-mentioned Steel Skeleton strengthens or the internal and external layer plastics of pipe fitting are organosilane crosslinked polyethylene, before pipeline is not hydrolyzed polycondensation reaction, the outer cone surface of the inwall of non-crosslinked thermoplastic flange and step end face and multiple tube or pipe fitting and end-face friction are rotated fusion to connect as one and makes pipe end flange, but be hydrolyzed the polycondensation cross-linking reaction and form the pipe end flange that silane crosslinked polyethylene pipe is connected with non-crosslinked heatproof polyethylene and hot melt in hygrothermal environment that satisfies the hydrolytie polycondensation cross-linking reaction and condition again, the internal and external layer plastics are organosilane crosslinked polyethylene, can carry high temperature media, reduced cost of material, and there is common polythene heat fusing performance in this pipeline material office before cross-linking reaction forms organosilane crosslinked polyethylene, can carry out frictional heat with the common plastics flange and fusion is connected.
The method that the present invention makes the pipe end flange of steel-frame reinforced composite plastic pipe is that the plastic composition pipeline of Steel Skeleton enhancing or the cylindrical of pipe fitting end are processed into conical surface, with the injection machine manufacturing or with inwall that is tapering and a step surface that is connected with the end-face friction fusion of multiple tube or pipe fitting that matches with the tapering on multiple tube or pipe fitting outer cone surface of plastics flange processing, but plastics flange fixedly is installed on the instrument of a high speed rotating, multiple tube or pipe fitting end are inserted in plastics flange, plastics flange high speed rotating then, the inwall that is tapering of plastics flange contacts and produces spin friction with the outer cone of multiple tube or pipe fitting surface, multiple tube or pipe fitting end advance in plastics flange simultaneously, when multiple tube or pipe fitting end face with after the plastics flange step surface contacts, also produce spin friction, their frictional contact surface Yin Shengre and fusion, apply axial force simultaneously to multiple tube or pipe fitting to smelt generation extruding, plastics flange stops the rotation, the smelt that produces couples together the outer cone surface and the fusion of pipe end face of plastics flange inwall and step end face and multiple tube or pipe fitting, makes plastics flange become the pipe end flange that nonvolatil fusion is connected with multiple tube or pipe fitting.Multiple tube of the present invention or pipe fitting and plastics flange linkage structure are achieved like this: make pipe fitting or claim flange with the injection machine manufacturing or with the posted sides pipeline machining that extrusion molding is produced, this flange joint socket has the inwall that is tapering, the not charged heated filament of inwall, inwall has a step surface that is connected with the end face melting of multiple tube or pipe fitting, the termination cylindrical of multiple tube or pipe fitting is carried out cutting become conical surface, the conical joint socket of plastics flange is inserted in the termination that multiple tube or pipe fitting are conical surface, the plastics flange high speed rotating, the termination of multiple tube advances in the conical joint socket of plastics flange simultaneously, friction generates heat fast makes its melt surface for two conical surfaces, when arriving at plastics flange interior step face in the termination of multiple tube, also friction generates heat fast makes its melt surface with plastics flange interior step face for the end face of multiple tube, plastics flange stops the rotation, multiple tube or plastics flange are done the axial promotion of certain distance, making the pipe end face produce melting with the extruding of flange step surface is connected, after the cooling, fusion is connected to become permanent the connection with the interior step face with the conical joint socket internal surface of plastics flange simultaneously for the termination cylindrical of multiple tube and end face, it is this fast that friction generates heat makes its melt surface, only there is friction surface in heat, plastics inner and Steel Skeleton the temperature remains within the normal range state, the connection part cooling is very fast, has overcome to have now with electric heating wire connection part is carried out long-time a large amount of heating, the cooling contour projector is very big, in the cooling contraction process, very easily cause between metal frame and the internal and external layer plastics, between composite pipe outer layer plastic and the pipe fitting, tear separating delamination between plastics and the electric heating wire, have a strong impact on the difficult problem of quality of connection.
The pipe end flange of steel-frame reinforced composite plastic pipe of the present invention, pipe end flange is connected with the outer cone melt surface with the end face of multiple tube simultaneously, connects reliably, easy construction, the bearing capacity height, applied widely.Manufacture method of the present invention is simple, manufacturing efficiency is high.
Description of drawings:
Fig. 1 strengthens the pipe end flange structural representation of the steel-frame reinforced composite plastic pipe of composite plastic pipe and plastics flange composition for the steel plate hole network framework.
Fig. 2 twines the pipe end flange structural representation of steel-frame reinforced composite plastic pipe and the steel-frame reinforced composite plastic pipe of plastics flange composition after the welding of warp-wise steel wire for the broadwise steel wire.
Fig. 3 is the steel-frame reinforced composite plastic pipe of steel wire left and right sides cross-helicity winding and the pipe end flange structural representation of the steel-frame reinforced composite plastic pipe that plastics flange is formed.
Fig. 4 is the steel-frame reinforced composite plastic pipe of steel wire left and right sides interlacing and the pipe end flange structural representation of the steel-frame reinforced composite plastic pipe that plastics flange is formed.
Fig. 5 is the steel-frame reinforced composite plastic pipe of real wall steel pipe and the pipe end flange structural representation of the steel-frame reinforced composite plastic pipe that plastics flange is formed.
Fig. 6 has the pipe end flange structural representation of the steel-frame reinforced composite plastic pipe of the porose flange that can be connected with miscellaneous equipment or pipeline for plastics flange.
Fig. 7 is compounded with the metal frame structural representation in the plastics flange.
Fig. 8 has the faucet structure schematic representation that can be connected with another pipeline or the same fusion of pipe fitting on plastics flange one end.
Fig. 9 moulds the pipe end flange structural representation of the steel-frame reinforced composite plastic pipe that compound tee pipe fitting combines with the plastics flange hot melt for steel.
Figure 10 contains the metal insert structural representation of connecting thread for plastics flange is inlaid with.
Figure 11 is the pipe end flange manufacture method schematic flow sheet of steel-frame reinforced composite plastic pipe of the present invention.
Embodiment:
Embodiment 1:
Fig. 1 has provided the embodiment of the invention 1 structural representation.The steel-frame reinforced composite plastic pipe 1 that the pipe end flange of the steel-frame reinforced composite plastic pipe of present embodiment 1 is made by the steel band 2 of fenestrated is formed with plastics flange 5, steel-frame reinforced composite plastic pipe 1 has polymer outer tube wall 3 and polymer inner tubal wall 6, aperture by steel band is closely linked mutually, the termination outer conical surface of plastics flange high speed rotating and multiple tube and end-face friction produce heat, fusion is connected to become permanent the connection with the interior step face with the conical joint socket internal surface of plastics flange simultaneously for the termination outer conical surface that makes multiple tube and end face, the heat fusing junction plane 7 that has plastics flange female cone surface and multiple tube or the surface spin friction of pipe fitting outer cone to heat mutual fusion in the pipe end flange and connect as one has step surface and multiple tube in the plastics flange or the spin friction of pipe fitting end face to heat mutual fusion and the heat fusing junction plane 4 that connects as one.
Embodiment 2:
Fig. 2 has provided the embodiment of the invention 2 figure.Present embodiment 2 is basic same with embodiment 1, do not exist together is that metal frame in the steel-frame reinforced composite plastic pipe 1 is to twine warp-wise steel wires 9 and through the porose Steel Skeleton of welding fabrication, the internal and external layer plastics in the plastic composition pipeline 1 that Steel Skeleton strengthens are the anti-high density polyethylene of non-crosslinked by broadwise steel wire 8.
Embodiment 3:
Fig. 3 has provided the embodiment of the invention 3 figure.Present embodiment 3 is basic same with embodiment 1, do not exist together is that metal frame in the steel-frame reinforced composite plastic pipe 1 is that left and right sides spiral winding plastic tube wall forms and intersects the steel-wire carcass 10 of grid on plastic inner pipe wall 6, inner plastic in the plastic composition pipeline 1 that Steel Skeleton strengthens is an organosilane crosslinked polyethylene, and outer layer plastic is a non-crosslinked heatproof polyethylene.
Embodiment 4:
Fig. 4 has provided the embodiment of the invention 4 structural representations.Present embodiment 4 basic with embodiment 1 with, not existing together is that metal frame in the steel-frame reinforced composite plastic pipe 1 is the Steel Skeleton that is formed by winding braided steel wire 11 on plastic inner pipe wall 6.
Embodiment 5:
Fig. 5 has provided the embodiment of the invention 5 structural representations.Present embodiment 5 is basic same with embodiment 1, and not existing together is that metal frame in the steel-frame reinforced composite plastic pipe 1 is imperforate real wall steel pipe 12.
Embodiment 6:
Fig. 6 has provided the embodiment of the invention 6 structural representations.Present embodiment 6 is basic same with embodiment 2, and porose 13 adpting flanges 14 that can be connected with miscellaneous equipment or pipeline are arranged in the plastics flange 5 that the crosslinked heatproof polythene material of the right and wrong that do not exist together is made.Inside and outside layer plastics are organosilane crosslinked polyethylene, utilize it to have two main processes: melt extrude at known prescription and make pipeline material produce graft reaction; Polycondensation cross-linking reaction again is hydrolyzed under certain hygrothermal environment and temperature, make it to become the process characteristic of organosilane crosslinked polyethylene, before pipeline is not hydrolyzed the polycondensation cross-linking reaction, utilize its pipeline to have the heat fusing switching performance, the outer cone surface of the inwall of non-crosslinked thermoplastic flange and step end face and multiple tube or pipe fitting and end-face friction are rotated fusion to connect as one and makes pipe end flange, but be hydrolyzed the polycondensation cross-linking reaction and form the pipe end flange that silane crosslinked polyethylene pipe is connected with non-crosslinked heatproof polyethylene and hot melt in hygrothermal environment that satisfies the hydrolytie polycondensation cross-linking reaction and condition again, when engineering is used, can easily the pipe end flange heating and melting with heat fusing switching performance prefabricated on silane crosslinked polyethylene pipe or the pipe fitting pipe end be coupled together the formation pipe network, plastics flange herein is a non-crosslinked heatproof polyethylene (PE-RT).
Embodiment 7:
Fig. 7 has provided the embodiment of the invention 7 structural representations.Present embodiment 7 is basic same with embodiment 6, and not existing together is the adpting flange 14 that the band Steel Skeleton 15 that can be connected with miscellaneous equipment or pipeline is arranged in the plastics flange 5.
Embodiment 8:
Fig. 8 has provided the embodiment of the invention 8 structural representations.Present embodiment 8 is basic same with embodiment 4, and not existing together is that the joint socket 16 that can be connected with miscellaneous equipment or the same fusion of pipeline is arranged in the plastics flange 5.
Embodiment 9:
Fig. 9 has provided the embodiment of the invention 9 structural representations, and in the present embodiment, steel is moulded compound tee pipe fitting 17 and heated mutual fusion with plastics flange 5 spin frictions and connect as one the pipe end flange that forms steel-frame reinforced composite plastic pipe.
Embodiment 10:
Figure 10 has provided the embodiment of the invention 10 structural representations, and present embodiment 10 is basic same with embodiment 4, and not existing together is to be inlaid with the metal insert 18 that contains connecting thread in the plastics flange, can with miscellaneous equipment or pipeline mechanical connection.
Embodiment 11:
Figure 11 has provided pipe end flange manufacture method schematic flow sheet of the present invention.A represents that the cylindrical of plastic composition pipeline end that Steel Skeleton is strengthened is processed into conical surface among the figure, B represents with the injection machine manufacturing or with inwall that is tapering 20 and a step surface 21 that is connected with the end-face friction fusion of multiple tube that matches with the tapering on multiple tube outer cone surface of plastics flange processing, C represents but plastics flange fixedly is installed on the instrument (or rotation dop) 22 of a high speed rotating, plastics flange is inserted in the multiple tube end, plastics flange high speed rotating then, the inwall that is tapering of plastics flange and the outer cone of multiple tube surface contact and produce spin friction, the multiple tube end advances in plastics flange simultaneously, when the multiple tube end face with after the plastics flange step surface contacts, also produce spin friction, their frictional contact surface Yin Shengre and fusion, D represents that applying axial force to multiple tube produces extruding simultaneously to smelt, plastics flange stops the rotation, the smelt that produces couples together the outer cone surface and the fusion of pipe end face of plastics flange inwall and step end face and multiple tube, makes plastics flange and multiple tube become the pipe end flange that nonvolatil fusion is connected.Sequence number 19 is a knife bar among the figure.
The various embodiments described above are that foregoing of the present invention is further described, but this should be interpreted as that the scope of the above-mentioned theme of the present invention only limits to the foregoing description.All technology that realizes based on foregoing all belong to scope of the present invention.
Claims (13)
1, the pipe end flange of steel-frame reinforced composite plastic pipe, it is characterized in that pipe end flange is made up of with a surperficial plastics flange that is connected with end face spin friction heating and melting of the outer cone with multiple tube or pipe fitting end plastic composition pipeline or pipe fitting that Steel Skeleton strengthens, this plastics flange has an inwall that is tapering and a step surface that is connected with the end face fusion of multiple tube or pipe fitting that matches with the tapering on multiple tube or pipe fitting outer cone surface, the outer cone surface of this inwall and step end face and multiple tube or pipe fitting contacts with end face and when producing spin friction, their frictional contact surface Yin Shengre and fusion, the smelt that produces couples together the outer cone surface and the fusion of pipe end face of plastics flange inwall and step end face and multiple tube or pipe fitting, makes plastics flange become the pipe end flange that nonvolatil fusion is connected with multiple tube or pipe fitting.
2, the pipe end flange of steel-frame reinforced composite plastic pipe as claimed in claim 1 is characterized in that the plastic composition pipeline of Steel Skeleton enhancing or the Steel Skeleton enhancing body of pipe fitting are steel pipes, is compounded with thermoplastic and forms tube wall on the inside and outside wall of steel pipe.
3, the pipe end flange of steel-frame reinforced composite plastic pipe as claimed in claim 1, it is that the broadwise steel wire twines the warp-wise steel wire and through the Steel Skeleton of welding fabrication that the Steel Skeleton that it is characterized in that plastic composition pipeline that Steel Skeleton strengthens or pipe fitting strengthens body, or the Steel Skeleton of at least one left-handed winding plastic tube wall and at least one dextrorotation winding plastic tube wall formation intersection grid, or on plastic tube wall, twine the Steel Skeleton that braided steel wire forms, or having the boxing of hole pattern roll of steel plate to be connected into the Steel Skeleton of tubular, the hole by skeleton connects the plastics continuum of internal and external walls to be combined with each other and forms inside and outside tube wall.
4,, it is characterized in that being compounded with in the plastics flange metal frame as the pipe end flange of claim 1 or 2 or 3 described steel-frame reinforced composite plastic pipes.
5,, it is characterized in that the step surface that plastics flange has the wall thickness of the circular cone end face of a plastic composition pipeline that strengthens with Steel Skeleton or pipe fitting to equate as the pipe end flange of claim 1 or 2 or 3 described steel-frame reinforced composite plastic pipes.
6, as the pipe end flange of claim 1 or 2 or 3 described steel-frame reinforced composite plastic pipes, the pipe thickness that it is characterized in that the end face that is connected with other plastics flange on the plastics flange is greater than multiple tube or tube wall thickness.
7,, it is characterized in that the joint socket that can be connected with another pipeline or the same fusion of pipe fitting is arranged on plastics flange one end as the pipe end flange of claim 1 or 2 or 3 described steel-frame reinforced composite plastic pipes.
8,, it is characterized in that plastics flange has porose flange that can be connected with miscellaneous equipment or pipeline or the flange that the slope boss is arranged as the pipe end flange of claim 1 or 2 or 3 described steel-frame reinforced composite plastic pipes.
9,, it is characterized in that plastics flange is inlaid with the metal insert that contains connecting thread as the pipe end flange of claim 1 or 2 or 3 described steel-frame reinforced composite plastic pipes.
10,, it is characterized in that the plastic composition pipeline of Steel Skeleton enhancing or the internal and external layer plastics of pipe fitting are non-cross-linking refractory polyethylene as the pipe end flange of claim 1 or 2 or 3 described steel-frame reinforced composite plastic pipes.
11, as the pipe end flange of claim 1 or 2 or 3 described steel-frame reinforced composite plastic pipes, it is characterized in that the plastic composition pipeline of Steel Skeleton enhancing or the inner plastic of pipe fitting are organosilane crosslinked polyethylene, outer layer plastic is a non-cross-linking refractory polyethylene.
12, pipe end flange as claim 1 or 2 or 3 described steel-frame reinforced composite plastic pipes, it is characterized in that the plastic composition pipeline of Steel Skeleton enhancing or the internal and external layer plastics of pipe fitting are organosilane crosslinked polyethylene, before multiple tube is not hydrolyzed polycondensation reaction, the outer cone surface of the inwall of non-crosslinked thermoplastic flange and step end face and multiple tube or pipe fitting and end-face friction rotation fusion connected as one make pipe end flange, but be hydrolyzed the polycondensation cross-linking reaction and form the also pipe end flange that is connected of hot melt of silane crosslinked polyethylene pipe and non-crosslinked heatproof polyethylene in hygrothermal environment that satisfies the hydrolytie polycondensation cross-linking reaction and condition again.
13, make the method for the pipe end flange of steel-frame reinforced composite plastic pipe, it is characterized in that the plastic composition pipeline of Steel Skeleton enhancing or the cylindrical of pipe fitting end are processed into conical surface, with the injection machine manufacturing or with inwall that is tapering and a step surface that is connected with the end-face friction fusion of multiple tube or pipe fitting that matches with the tapering on multiple tube or pipe fitting outer cone surface of plastics flange processing, but plastics flange fixedly is installed on the instrument of a high speed rotating, multiple tube or pipe fitting end are inserted in plastics flange, plastics flange high speed rotating then, the inwall that is tapering of plastics flange contacts and produces spin friction with the outer cone of multiple tube or pipe fitting surface, multiple tube or pipe fitting end advance in plastics flange simultaneously, when multiple tube or pipe fitting end face with after the plastics flange step surface contacts, also produce spin friction, their frictional contact surface Yin Shengre and fusion, apply axial force simultaneously to multiple tube or pipe fitting to smelt generation extruding, plastics flange stops the rotation, the smelt that produces couples together the outer cone surface and the fusion of pipe end face of plastics flange inwall and step end face and multiple tube or pipe fitting, makes plastics flange become the pipe end flange that nonvolatil fusion is connected with multiple tube or pipe fitting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100210778A CN100357650C (en) | 2005-06-13 | 2005-06-13 | Pipe end flange of steel-frame reinforced composite plastic pipe and method for fabricating same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100210778A CN100357650C (en) | 2005-06-13 | 2005-06-13 | Pipe end flange of steel-frame reinforced composite plastic pipe and method for fabricating same |
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|---|---|
| CN1880825A CN1880825A (en) | 2006-12-20 |
| CN100357650C true CN100357650C (en) | 2007-12-26 |
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| CNB2005100210778A Expired - Fee Related CN100357650C (en) | 2005-06-13 | 2005-06-13 | Pipe end flange of steel-frame reinforced composite plastic pipe and method for fabricating same |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2009137387A (en) * | 2007-12-05 | 2009-06-25 | Koito Mfg Co Ltd | Fitting structure and welding method |
| CN100553931C (en) * | 2008-03-31 | 2009-10-28 | 邵泰清 | Production technology of the steel skeleton plastic clad pipe of band plastics termination and products thereof |
| CN102213270A (en) * | 2010-04-12 | 2011-10-12 | 张大长 | Inner slope type forged hubbed flange |
| CN103268842B (en) * | 2013-04-27 | 2016-01-20 | 宁夏电力公司固原供电局 | The circuit breaker connector of temperature compensation means is installed |
| CN104846983B (en) * | 2015-05-18 | 2016-08-24 | 焦方烨 | Siphon type water closet dredger |
| CN114215988B (en) * | 2021-11-09 | 2023-11-28 | 浙江新大塑料管件有限公司 | Bent pipe type steel-plastic conversion pipe fitting joint assembly |
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| JPH06297505A (en) * | 1993-04-20 | 1994-10-25 | Inoac Corp | Integrally bonded structure of terminal flange part of pipe made of synthetic resin |
| CN1269482A (en) * | 2000-04-14 | 2000-10-11 | 东泰(成都)工业有限公司 | Connection method of metal skeleton reinforced composite plastic pipeline |
| CN2580258Y (en) * | 2001-10-26 | 2003-10-15 | 甘国工 | Silane crosslinking polyethylene composite pipe of screw winding steel wire |
| CN1598388A (en) * | 2004-08-04 | 2005-03-23 | 甘国工 | Pipeline connector with steel skelelton rainforced composite polymer and its mfg. method |
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| Publication number | Publication date |
|---|---|
| CN1880825A (en) | 2006-12-20 |
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