CN205781476U - A kind of composite reinforced pipe of overall steel-plastic - Google Patents

Abstract

The utility model discloses a kind of composite reinforced pipe of overall steel-plastic, sandwich layer and plastic outer wall layer is strengthened including plastic liner layer, steel, steel enhancing sandwich layer is wound on plastic liner layer by the heterotypic strip that enhancing clinkering hole is distributed and is formed, and the muscle sidewall of heterotypic strip and top rib wall are against forming reinforcing ribs.The profiled strip that this utility model uses cross section to be concave character type is wound on inside pipe wall so that the overall all bimetals of pipeline, enhances pipeline toughness greatly；Muscle sidewall and top rib wall that profiled strip is the most adjacent when being wound around merge formation reinforcing ribs, it is ensured that the high ring rigidity of pipeline, and pipeline compression capability is greatly improved；Strengthening clinkering hole makes plastics inside and outside wall closely merge, and the most effectively protects steel band, further improves pipeline strength；This programme can realize, with thinner steel band and plastic sheet, the pressure-bearing effect that pipeline is bigger, saves material and reduces cost；It is scientific and reasonable for structure, it is simple to manufacture, and durability high practicability is strong, wide market.

Description

A kind of composite reinforced pipe of overall steel-plastic

Technical field

This utility model relates to pipe technology, especially plastic conduit, and specifically a kind of steel is moulded multiple Close riffled tube.

Background technology

At present, all-plastic tubing and steel-plastic composite pipe instead of pipe of concrete and cast iron pipe substantially Deng, it is largely used to municipal works, residential quarters embedded underground draining blowdown；Highway is pre-buried Pipeline；Irrigation and water conservancy irrigation water delivery, water drainage；Chemical industry, mine are used for the conveying etc. of fluid.This A little novel tubes have the features such as lightweight, high pressure resistant, good toughness, construction fast life-span length, its Middle steel-plastic composite pipe, owing to combining steel and moulding the advantage performance of bi-material, greatly drops Low cost, thus be at home and abroad used widely.

Also having substantial amounts of steel plastic compount Manifold technology to disclose in prior art, such as notification number is The Modified metal reinforced helical bellows of CN201103752Y, notification number is The assembled steel-plastic corrugated pipe of CN202215857U.The basic structure of these prior aries is all Only at the upper composition metal steel band of ripple (i.e. reinforcing ribs) as strengthening structure, and at pipe At the non-ripple of wall, there is no composition metal steel band.

In prior art, notification number is the utility model patent of CN202158285U, which discloses A kind of steel reinforced type steel-plastic composite winding pipe, including processing bar shaped steel band, bar shaped steel band is heated, The bar shaped steel band two sides of heating is respectively sprayed one layer of plastic clad formed plastic-coated steel band, general Plastic-coated steel band is pressed into " Π " plastic coated steel band and is coated with by " Π " plastic The steel reinforced type steel-plastic that steel band has down " Π " steel band of model structure through spiral wrap formation is combined Winding pipe, this pipe not only has good scratch resistant, decay resistance, and has good Antistripping property and ring stiffness, the critical external compressive resistance ability of pipeline is strong.Can be applicable to municipal administration, industry, Civilian, the draining of public building, drainage project, it is possible to be applied to remote water delivery and agricultural fills The field such as irrigate.But from the point of view of objectively, have the disadvantage that 1, the built-in clad steel of this technology Material is not successional, is entirely and depends on plastic hot melten gel and carry out between its steel band and steel band Modular welding, PUR pad directly affects critical external compressive resistance power and ring stiffness；2, use Electrostatic Spray Technology, manufacture difficulty is big, and cost is high；3, fail to effectively form entirety, its Isolate from steel band in the middle of inner wall layer and outer wall layer completely, plastics peel off will directly affect in steel band right The corrosion-resistant protection of steel band；4, this technology must be initially formed plastic-coated steel band and go up up-coiler again Spiral winding, and what plastic clad inherently sustained damage in plant equipment winding process, The scraping easily having steel is exposed, and pipeline corrosion resistance the most out is difficult to ensure.

This utility model is for the problems existing for above-mentioned prior art, it is provided that Yi Zhongquan New steel plastic compount riffled tube.

Utility model content

For the problems referred to above, this utility model aims to provide a kind of pipeline entirety composite steel band, There is the steel reinforcing ribs that is spliced to form by heterotypic strip in winding process, can have simultaneously Effect improves the steel of the bond strength that steel band is coated in plastics and moulds pipe.

For realizing this technical purpose, scheme of the present utility model is: a kind of overall steel-plastic is compound to be added Muscle pipe, including plastic liner layer, this inner wall layer by molten state plastic sheet-like band through spiral winding It is mutually lapped clinkering to form, it is characterised in that: riffled tube also includes that steel strengthens sandwich layer and plastics Outer wall layer is constituted, wherein: steel strengthens sandwich layer and is helically wound around in plastics by steel heterotypic strip Formed on parietal layer；The character cut in bas-relief of by-level is holded up at the two ends that are shaped as of steel heterotypic strip cross section Shape structure, by-level part is diapire, holding up as muscle sidewall of two ends；Each muscle sidewall court Top rib wall all it is extended with outside heterotypic strip；When steel heterotypic strip is wound around, the most adjacent Muscle sidewall and top rib wall form the pipeline reinforcing ribs of projection；Plastic outer wall layer covers by steel The steel of heterotypic strip coiling strengthens on sandwich layer, steel strengthen sandwich layer be sealed in plastic outer wall layer with Between plastic liner layer.

As further improving, enhancing clinkering hole, institute on described steel heterotypic strip, are distributed State plastic liner layer and plastic outer wall layer in strengthening at clinkering hole together with clinkering.

As further improving, the end of described top rib wall is turned under prolonging has Anti-dislocation docking curved Folding.

As further improving, form the pipe of projection at the most adjacent muscle sidewall and top rib wall Filled plastics in road reinforcing ribs, form the filling tack coat in rib.

As further improving, the docking of the most adjacent top rib wall bends by being welded and fixed Together.

As further improving, the diapire of described steel heterotypic strip is provided with the ripple knot of reinforcement Structure, the cross section of diapire is corrugated.

As further improving, described ripple struction is by the bending of at least one little arc and at least One big arc convex composition.

As further improving, described ripple struction is by the bending of at least one little arc or at least One big arc convex composition.

As further improving, the muscle sidewall of described steel heterotypic strip is laid with a plurality of length Bar groove rib, described strip groove rib is all arranged to muscle top side wall direction from muscle sidewall bottom.

As further improving, enhancing clinkering should be distributed in the junction of muscle sidewall Yu diapire Hole；Enhancing clinkering hole should be distributed in the junction of muscle sidewall Yu top rib wall；At big arc convex Foot should be distributed enhancing clinkering hole.

The beneficial effects of the utility model are: the profiled strip using cross section to be concave character type is wound around On inside pipe wall so that the overall all bimetals of pipeline, enhance the toughness of pipeline greatly； Especially the most adjacent during profiled strip spiral winding muscle sidewall and top rib wall merge cleverly Form reinforcing ribs, it is ensured that pipeline has high ring stiffness, pipeline is greatly improved by pressure energy Power and practicality；Strengthen the steel band that is prevented effectively from especially of design and the plastic layer conjugation in clinkering hole The steel that causes of problem mould separation, plastics inside and outside wall closely merges, the most effectively through clinkering hole Protection steel band, further improve the intensity of pipeline；This programme can be with the steel of thinner walls Material and plastic layer reach bigger pressure-bearing effect, save material, reduce material cost further； Pipeline configuration of the present utility model is scientific and reasonable, it is simple to manufacture, and durability high practicability is strong, Wide market.

Accompanying drawing explanation

Fig. 1 is the partial axial section structure chart of steel plastic compount riffled tube of the present utility model；

Fig. 2 is the aminoacyl site enlarged drawing of most preferred embodiment in Fig. 1；

Fig. 3 is the B position enlarged drawing of most preferred embodiment in Fig. 1；

Fig. 4 is the steel heterotypic strip cross-sectional structure figure of embodiment one in this utility model；

Fig. 5 is the steel heterotypic strip expanded view of embodiment one in this utility model；

Fig. 6 be embodiment one in this utility model steel heterotypic strip launch after cross-sectional view；

Fig. 7 is the signal that in this utility model, two adjacent steel heterotypic strips form reinforcing ribs Figure；

Fig. 8 is the aminoacyl site enlarged drawing of the another kind of embodiment of Fig. 1 in this utility model；

Fig. 9 is the steel heterotypic strip cross-sectional structure figure of this utility model embodiment two；

Figure 10 is the steel heterotypic strip cross-sectional structure figure of this utility model embodiment three.

Detailed description of the invention

With specific embodiment, this utility model is described in further details below in conjunction with the accompanying drawings.

This utility model is a kind of composite reinforced pipe of overall steel-plastic, and this kind of pipeline is that plastics are made, And in order to improve the performances such as intensity, being structurally combined increase has steel material, specifically used Plastic type and steel type all can be wanted according to prior art and performance by those skilled in the art Asking selected, it is main for selecting rustless steel on steel, has etch-proof effect, certainly, uses Other material is also equivalent.

In a particular embodiment, as illustrated in fig. 1 and 2, pipeline of the present utility model includes moulding Material inner wall layer 1, this inner wall layer is mutually lapped molten by molten state plastic sheet-like band through spiral winding Knot forms, and this overlap joint fusion technology is prior art, is not set forth in detail in this article；This The pipeline of utility model also includes that steel strengthens sandwich layer 2 and plastic outer wall layer 3 is constituted, wherein:

Steel enhancing sandwich layer 2 in this utility model is helically wound around by steel heterotypic strip to be moulded Formed in material inner wall layer 1, enhancing clinkering hole 25 on described steel heterotypic strip, is distributed；Increase Strong clinkering hole 25 is in order to further enhance outside steel heterotypic strip and plastic liner layer 1 and plastics Bond strength between parietal layer 2, plastic liner layer 1 can partly press embedding institute when in no hardening Stating enhancing clinkering hole 25, plastics pressure embeds in strengthening clinkering hole 25 and is formed towards plastic outer wall layer The evagination of 3, secures steel heterotypic strip, treats that plastic outer wall layer 3 extruding is layed in steel During heterotypic strip, inside and outside plastics, parietal layer is just together tight by this enhancing clinkering hole 25 clinkering Tight knot is closed, and is not easily stripped so that steel heterotypic strip avoids can because of the stripping of plastics covering The corrosion that can cause, the most also stabilizes between steel heterotypic strip and plastics inside and outside wall Stability, and the uniform force that beneficially pipeline is overall, improve intensity and the ruggedness of pipeline.

Middle water is holded up at the two ends that are shaped as of the steel heterotypic strip cross section in this utility model Flat concave shape structure, as shown in Fig. 4,9,10, its middle horizontal component is diapire, Holding up as muscle sidewall 21 of two ends；Each muscle sidewall 21 is all extended with outside heterotypic strip Top rib wall 22, the end of top rib wall 22 is turned under prolonging has Anti-dislocation to dock bending 23；Steel is different When type band is wound around, the most adjacent muscle sidewall 21 and top rib wall 22 merge formation pipe cleverly Road reinforcing ribs 5, as it is shown in fig. 7, reinforcing ribs 5 guarantees that pipeline has high ring stiffness, Pipeline compression capability and practicality are greatly improved；The effect of described Anti-dislocation docking bending 23 Very big, it is mainly used for during forming reinforcing ribs 5, and top rib wall 22 merges During docking, it is unlikely to the stacking of dislocation up and down of adjacent top rib wall and does not becomes reinforcing ribs 5, And only top rib wall 22 is under the effect of Anti-dislocation docking bending 23, could be the most mutual Put forth effort docking, it is simple to form stable reinforcing ribs stress cavity body structure.

In a preferred embodiment, because the sheet metal manufacture that steel heterotypic strip uses, in order to Guarantee muscle sidewall preferably upright and be not easy to frill (gauffer can change reinforcement shape and Highly, even result in defect ware, directly affect product quality), at described steel heterotypic strip Muscle sidewall 21 on be laid with a plurality of strip groove rib 26, as illustrated in Figures 5 and 6, described Strip groove rib 26 is all arranged to muscle top side wall direction from muscle sidewall bottom, certainly, and described length The protrusion direction of bar groove rib 26 can be arbitrary, and its shape can also be people in the art Member it is conceivable that other arbitrary shapes, as long as it is upright and be not easy to contribute to muscle sidewall 21 Frill the most permissible.

Plastic outer wall layer 3 covers and is being strengthened on sandwich layer 2 by the steel of steel heterotypic strip coiling, Steel strengthens sandwich layer 2 and is sealed between plastic outer wall layer 3 and plastic liner layer 1, effectively will Steel strengthens sandwich layer 2 and isolates from corrosion-prone environment, it is ensured that the durable degree of tubing；Described Plastic liner layer 1 and plastic outer wall layer 3 are in strengthening at clinkering hole together with clinkering.

About there being at least following four embodiment at reinforcing ribs 5:

The first embodiment as shown in Figure 8, the most adjacent muscle sidewall 21 and top rib wall 22 Merge cleverly and form pipeline reinforcing ribs 5, the most directly cover plastic outer wall layer, strengthen Rib is hollow structure, is left intact between the most adjacent Anti-dislocation docking bending 23, Both are leaning closely against together, plastic outer wall layer fix.

The second embodiment, is on the basis of the first embodiment above-mentioned, by the most adjacent The docking bending 23 of top rib wall 22 is welded and fixed together, and reinforcing ribs is hollow structure.

The third embodiment, as shown in Figures 2 and 3, the most adjacent muscle sidewall 21 He Top rib wall 22 forms filled plastics in protruding pipeline reinforcing ribs 5, forms the filling in rib Tack coat 4, is left intact between the most adjacent Anti-dislocation docking bending 23, both It is leaning closely against together, plastic outer wall layer and fixing tack coat of filling fixes.

4th kind of embodiment, is also optimal embodiment, the most adjacent muscle sidewall 21 He Top rib wall 22 forms filled plastics in protruding pipeline reinforcing ribs 5, forms filling out in rib Fill tack coat 4, then the docking bending 23 of the most adjacent top rib wall 22 is weldingly fixed on one Rise.

In order to further enhance the intensity of pipeline, in the preferred embodiment, steel heterotypic strip Diapire is provided with the ripple struction of reinforcement, and the cross section of diapire is corrugated, such as Fig. 4,9,10 Shown.Concrete, described ripple struction can be to be bent 242 Hes by least one little arc At least one big arc convex 241 forms, as shown in Figure 3；Can also be only by least One little arc bending 242 composition, as shown in Figure 9；Can also be only by least one Big arc convex 241 forms, as shown in Figure 10；Certainly, according to specific design needs, Can also be the structure of other shapes, as protruding in triangle or trapezoidal projection etc., belong to usual Replace.

In order to ensure the stability of muscle sidewall, when design, muscle sidewall 21 and the combination of diapire Place should be distributed enhancing clinkering hole 25；Should divide in the junction of muscle sidewall 21 with top rib wall 22 Being furnished with enhancing clinkering hole 25, the foot at big arc convex 241 should be distributed enhancing clinkering hole 25；The purpose of do so is to further enhance rib and the stability of big arc projection, improves body Compressive strength.

For preferably protecting the structure of body, inner wall layer 1 has molten state plastic sheet-like band warp The welded side seam 11 that spiral winding is mutually lapped clinkering and is formed, and this position also tends to be to be subject to The position that power is more fragile, the diapire cross-pressure of described steel heterotypic strip melting in plastic liner layer On knot seam 11, such clinkering is stitched would not be by axial tensile force at 11, and this mode is without mistake Stitch the intensity of 11 in increasing clinkering, reduce manufacturing cost and difficulty of processing.

Being directed to the composite reinforced pipe of above-mentioned overall steel-plastic, it is this kind of that this utility model additionally provides processing The method of pipeline.

One of method scheme:

A, by plastic extrusion facility extrude molten state plastic sheet-like band, through rolling winding apparatus spiral It is wound around, overlaps clinkering between two adjacent plastic sheet-like bands, form body plastic liner layer；

B, with pressing equipment relevant position on thin-walled steel band stamp out enhancing clinkering hole, as figure Shown in 5, then by thin-walled steel plate writing that surpasses all the others equipment by curved for the thin-walled steel band heterotypic strip that is pressed into, then will Steel heterotypic strip rolls after bending out radian corresponding with outer tube diameter, and closing twist is wound in On the plastic liner layer that above-mentioned a step is formed, the docking bending of the most adjacent steel heterotypic strip Through corresponding spill pinch roller location against, steel heterotypic strip diapire strengthens clinkering hole and semi-molten The occlusion of state plastic liner layer makes steel heterotypic strip be fixed, and makes steel band shape all-in-one-piece Steel strengthens sandwich layer；

C, extruded molten state plastic sheet-like band by plastic extrusion facility, cover and also roll over through pinch roller It is pressed in steel and strengthens formation plastic outer wall layer on sandwich layer；Molten state plastic sheet-like band is enhanced molten Knot hole and plastic liner layer clinkering；

Wherein: the steel heterotypic strip in b step need to plastic sheet in a step the hardest It is wound around up during change.

In above processing scheme, further, in described b step, with pressing equipment in While on thin-walled steel band, relevant position stamps out enhancing clinkering hole, also stamp out in relevant position Strip groove rib.

The two of method scheme:

A, by plastic extrusion facility extrude molten state plastic sheet-like band, through rolling winding apparatus spiral It is wound around, overlaps clinkering between two adjacent plastic sheet-like bands, form body plastic liner layer；

B, with pressing equipment relevant position on thin-walled steel band stamp out enhancing clinkering hole, then by Thin-walled steel plate writing that surpasses all the others equipment is by curved for the thin-walled steel band heterotypic strip that is pressed into, then is ground by steel heterotypic strip After press-bending song goes out radian corresponding with outer tube diameter, closing twist is wound in above-mentioned a step and is formed Plastic liner layer on, the docking of the most adjacent steel heterotypic strip bending is through corresponding spill pinch roller Location and in close proximity to, docking bending against part again through argon arc welding device firm welding, Steel band shape all-in-one-piece steel is made to strengthen sandwich layer；

C, extruded molten state plastic sheet-like band by plastic extrusion facility, cover and also roll over through pinch roller It is pressed in steel and strengthens formation plastic outer wall layer on sandwich layer；Molten state plastic sheet-like band is enhanced molten Knot hole and plastic liner layer clinkering；

Wherein: the steel heterotypic strip in b step need to plastic sheet in a step the hardest It is wound around up during change.

In above processing scheme, further, in described b step, with pressing equipment in While on thin-walled steel band, relevant position stamps out enhancing clinkering hole, also stamp out in relevant position Strip groove rib.

The three of method scheme:

A, by plastic extrusion facility extrude molten state plastic sheet-like band, through rolling winding apparatus spiral It is wound around, overlaps clinkering between two adjacent plastic sheet-like bands, form body plastic liner layer；

B, with pressing equipment relevant position on thin-walled steel band stamp out enhancing clinkering hole, then by Thin-walled steel plate writing that surpasses all the others equipment is by curved for the thin-walled steel band heterotypic strip that is pressed into, then is ground by steel heterotypic strip After press-bending song goes out radian corresponding with outer tube diameter, closing twist is wound in above-mentioned a step and is formed Plastic liner layer on, then with plastic extrusion facility extrusion molten plastic curved from this adjacent docking Rolling over and fill tack coat in close proximity to being formed in flow in pipes reinforcing ribs in front gap, two is biphase The docking bending of adjacent steel heterotypic strip through corresponding spill pinch roller location in close proximity to, form one The steel of body strengthens sandwich layer；

C, extruded molten state plastic sheet-like band by plastic extrusion facility, cover and also roll over through pinch roller It is pressed in steel and strengthens formation plastic outer wall layer on sandwich layer；Molten state plastic sheet-like band is enhanced molten Tie hole and plastic liner layer and filling plastic tack coat clinkering；

Wherein: the steel heterotypic strip in b step need to plastic sheet in a step the hardest It is wound around up during change.

In above processing scheme, further, in described b step, with pressing equipment in While on thin-walled steel band, relevant position stamps out enhancing clinkering hole, also stamp out in relevant position Strip groove rib.

Of the present utility model ultimate principle, principal character and this practicality are more than shown and described new The advantage of type.Skilled person will appreciate that of the industry, this utility model is not by above-described embodiment Restriction, principle of the present utility model is simply described described in above-described embodiment and description, On the premise of without departing from this utility model spirit and scope, this utility model also has various change Change and improve, in the range of these changes and improvements both fall within claimed this utility model.This Utility model claims scope and is defined by appending claims and equivalent thereof.

Claims (10)

1. the composite reinforced pipe of overall steel-plastic, including plastic liner layer, this inner wall layer is by melting State plastic sheet-like band is mutually lapped clinkering through spiral winding and forms, it is characterised in that: riffled tube Also include that steel strengthens sandwich layer and plastic outer wall layer is constituted, wherein: steel strengthens sandwich layer by steel Heterotypic strip is helically wound around on plastic liner layer formation；The shape of steel heterotypic strip cross section Hold up the concave shape structure of by-level for two ends, by-level part is diapire, erecting of two ends Rise as muscle sidewall；Each muscle sidewall is all extended with top rib wall outside heterotypic strip；Steel is different When type band is wound around, the most adjacent muscle sidewall and top rib wall form the pipeline reinforcement of projection Rib；Plastic outer wall layer covers and is being strengthened on sandwich layer by the steel of steel heterotypic strip coiling, steel Strengthen sandwich layer to be sealed between plastic outer wall layer and plastic liner layer.

The composite reinforced pipe of overall steel-plastic the most according to claim 1, it is characterised in that: institute State and enhancing clinkering hole, described plastic liner layer and plastic outer wall layer on steel heterotypic strip, are distributed At enhancing clinkering hole, clinkering is together.

The composite reinforced pipe of overall steel-plastic the most according to claim 1 and 2, it is characterised in that: The end of described top rib wall is turned under prolonging Anti-dislocation docking bending.

The composite reinforced pipe of overall steel-plastic the most according to claim 3, it is characterised in that: The most adjacent muscle sidewall and top rib wall form filled plastics in protruding pipeline reinforcing ribs, shape Become the filling tack coat in rib.

The composite reinforced pipe of overall steel-plastic the most according to claim 4, it is characterised in that: two The docking bending of two adjacent top rib walls is fixed together by welding.

The composite reinforced pipe of overall steel-plastic the most according to claim 3, it is characterised in that: institute The diapire stating steel heterotypic strip is provided with the ripple struction of reinforcement, and the cross section of diapire is ripple Shape.

The composite reinforced pipe of overall steel-plastic the most according to claim 6, it is characterised in that: institute State ripple struction to be made up of the bending of at least one little arc and at least one big arc convex.

The composite reinforced pipe of overall steel-plastic the most according to claim 6, it is characterised in that: institute State ripple struction to be made up of the bending of at least one little arc or at least one big arc convex.

The composite reinforced pipe of overall steel-plastic the most according to claim 3, it is characterised in that: institute The muscle sidewall stating steel heterotypic strip is laid with a plurality of strip groove rib, described strip groove rib all from Muscle sidewall bottom is arranged to muscle top side wall direction.

The composite reinforced pipe of overall steel-plastic the most according to claim 7, it is characterised in that: Enhancing clinkering hole should be distributed in the junction of muscle sidewall Yu diapire；At muscle sidewall and top rib wall Junction should be distributed enhancing clinkering hole；Foot at big arc convex should be distributed enhancing clinkering Hole.