CN215293952U - Polyethylene three-layer wall vertical steel belt composite pipe - Google Patents

Abstract

The utility model provides a compound tubular product of polyethylene three-layer wall standing steel band, which comprises a pipe body, the body is from interior to including inlayer, intermediate level and protective layer outward in proper order, the inlayer with it moulds the muscle reinforcement or mould the muscle reinforcement only to be equipped with in the cavity that the intermediate level formed, the protective layer pastes and covers the outside in intermediate level, the intermediate level with be equipped with the high strength steel wire framework reinforcement between the protective layer. The utility model discloses a protective layer in the body outside has improved the wholeness ability of tubular product, has undertaken the effect of natural protective screen, and the protection body does not receive external adverse circumstances's damage. The steel-plastic stud reinforcement arranged between the inner layer and the middle layer of the pipe body and the pure-plastic stud reinforcement can improve the safety performance of the pipe body, so that the pipe body has the strength of steel and the toughness of plastic, and the overall performance of the pipe is greatly improved.

Description

Polyethylene three-layer wall vertical steel belt composite pipe

Technical Field

The utility model belongs to the technical field of drainage pipe makes technique and specifically relates to a compound tubular product of polyethylene three-layer wall-standing steel band is related to.

Background

Polyethylene pipe is a pipe made of polyethylene, is a replacement product of traditional steel pipe and cement pipe, and is widely used in drainage pipelines such as rainwater and sewage. However, the common polyethylene pipe has the defect of insufficient ring stiffness in the using process, and cannot meet the harsh use environment requirement of the drainage pipeline, and the common polyethylene pipe mostly adopts a single-wall structure, so that the inner wall cannot be effectively protected from being damaged by the external environment. The problem of ring rigidity cannot be well solved by simply increasing the wall thickness of the pipe, therefore, steel belts and steel wires are additionally arranged in a plurality of polyethylene pipes to enhance the strength of the pipe wall, but the steel belts are generally paved in the pipe wall, the reinforcing effect is limited, and the structure easily causes the steel belts or the steel wires to be exposed, is corroded by the external environment, has short service life and other adverse effects.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, an object of the present invention is to provide a vertical steel band composite pipe with three layers of walls made of polyethylene.

The utility model provides a compound tubular product of vertical steel band of polyethylene three-layer wall, including a pipe body, the body is from interior to including inlayer, intermediate level and protective layer outward in proper order, the inlayer with it moulds the muscle reinforcement or mould the muscle reinforcement only to be equipped with in the cavity that the intermediate level formed, the protective layer pastes and covers the outside in intermediate level, the intermediate level with be equipped with the high strength steel wire framework reinforcement between the protective layer.

Further, the steel-plastic stud reinforcement or the pure-plastic stud reinforcement is perpendicular to the inner layer or the middle layer, and the top end or the bottom end of the steel-plastic stud reinforcement or the pure-plastic stud reinforcement is fused with the middle layer or the inner layer respectively.

Furthermore, the steel-plastic stud reinforcement or the pure-plastic stud reinforcement is sequentially and spirally arranged along the axial direction of the pipe body.

Furthermore, the steel-plastic stud reinforcement is made of a carbon structural steel belt and polyethylene coated on the outer side of the carbon structural steel belt.

Furthermore, the high-strength steel wire framework reinforcement is made of high-strength copper-plated steel wires through high-frequency heating and compounding with bonding resin.

Furthermore, the high-strength steel wire framework reinforcement is also arranged in the inner layer, the middle layer or the protective layer.

Furthermore, the inner layer, the middle layer, the protective layer and the pure plastic stud reinforcement are all made of high-density polyethylene.

Furthermore, the protective layer and the middle layer are formed by adopting bonding resin or high-temperature high-pressure impact extrusion spiral axial winding, bonding and fusing.

The technical scheme of the utility model through the protective layer in the body outside having improved the wholeness ability of tubular product, undertaken the effect of natural protective screen, the protection body does not receive external adverse circumstances's damage. The steel-plastic stud reinforcement arranged between the inner layer and the middle layer of the pipe body and the pure-plastic stud reinforcement can improve the safety performance of the pipe body, so that the pipe body has the strength of steel and the toughness of plastic, and the overall performance of the pipe is greatly improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a cross section of an upper half portion of a pipe body in an axial direction according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a cross section of fig. 1 with the protective layer removed according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a cross section of fig. 1 with the protective layer and the intermediate layer removed;

description of reference numerals:

1-inner layer, 2-middle layer, 3-protective layer, 4-steel-plastic stud reinforcement, 5-pure-plastic stud reinforcement and 6-high-strength steel wire framework reinforcement;

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

As shown in fig. 1, 2 and 3:

the utility model provides a compound tubular product of vertical steel band of three layers of wall of polyethylene, including the body, the body adopts the design of three-layer pipe wall, from interior inlayer 1, intermediate level 2 and protective layer 3 of including in proper order to outer. The steel-plastic stud reinforcement 4 or the pure plastic stud reinforcement 5 is arranged in the cavity formed by the inner layer 1 and the middle layer 2, so that the inner layer 1 and the middle layer 2 form a compact whole, and the structure of the pipe is more reasonable.

The protective layer 3 is attached to the outer side of the middle layer 2, a high-strength steel wire framework reinforcement 6 is arranged between the middle layer 2 and the protective layer 3, and the protective layer 3 and the middle layer 2 are formed by adopting bonding resin or high-temperature high-pressure impact extrusion spiral axial winding, bonding and fusing. The protective layer 3 is positioned on the outermost side of the pipe body and is formed by one-time high-temperature high-pressure impact extrusion with the outer side of the middle layer 2, so that the double-layer protection effect is achieved. In addition, the thickness of the pipe body is increased due to the arrangement of the protective layer 3, and when the inertia moment of the pipe body is increased, the increase of the inertia moment greatly improves the ring stiffness of the pipe. The outer wall of the protective layer 3 is flat, so that the pipe joint can be easily closed without leakage, and the outer wall of the pipe body is uniformly stressed when being extruded by external force, thereby achieving the effect of improving the comprehensive performance of the pipe.

The inner layer 1, the middle layer 2, the protective layer 3 and the pure plastic stud reinforcement 5 are all made of high-density polyethylene. The steel-plastic stud reinforcement 4 or the pure-plastic stud reinforcement 5 is perpendicular to the inner layer 1 or the middle layer 2, and the steel-plastic stud reinforcement 4 or the pure-plastic stud reinforcement 5 is sequentially and spirally arranged along the axial direction of the pipe body. The top ends of the steel-plastic stud reinforcements 4 or the pure-plastic stud reinforcements 5 are fused with the inner side of the middle layer 2, and the bottom ends of the steel-plastic stud reinforcements 4 or the pure-plastic stud reinforcements 5 are fused with the inner side of the inner layer 1 respectively.

The steel-plastic stud reinforcement 4 or the pure-plastic stud reinforcement 5 arranged perpendicular to the inner layer 1 or the middle layer 2 enables all layers of the pipe body to be integrated, the rigidity of the pipe body can be improved, the pipe body has plastic toughness, the overall performance of the pipe is greatly improved by means of the strength and the rigidity of the steel-plastic stud reinforcement 4, and the ring rigidity is greatly improved on the premise of ensuring the corrosion resistance.

Have the elasticity space between inlayer 1 and the intermediate level 2, can improve the elasticity and the ductility of body, the pure muscle reinforcement 5 of moulding that sets up between inlayer 1 and intermediate level 2 can improve the joint strength between inlayer 1 and the intermediate level 2, can improve the joint strength of inlayer 1 and intermediate level 2 when keeping elasticity and ductility between inlayer 1 and the intermediate level 2, can also effectively increase the tensile strength of tubular product.

The steel-plastic stud reinforcement 4 is made of a carbon structural vertical steel belt and high-density polyethylene coated on the outer side of the vertical steel belt. The vertical steel belt of the steel-plastic stud reinforcement 4 is fully sealed and coated by the high-density polyethylene, and the steel belt is not exposed, so that the steel belt can be effectively protected from being corroded, the corrosion resistance and the wear resistance are improved, and the service life is prolonged. The high-strength steel wire framework reinforcement 6 is made of high-strength copper-plated steel wires which are compounded with bonding resin through high-frequency heating.

The high-strength steel wire framework reinforcement 6 in this embodiment includes not only warp reinforcing bars arranged in the axial direction of the pipe body but also weft reinforcing bars arranged in the circumferential direction of the pipe body. The embodiment can set copper-plated plastic-coated prestressed wires arranged in the radial direction, the weft direction or the warp and weft directions according to the requirements of users to enhance the internal pressure resistance and the external pressure resistance of the pipe body.

It should be understood that the high strength steel wire skeleton reinforcement 6 of the present invention may be disposed not only between the intermediate layer 2 and the protective layer 3 but also within the inner layer 1 or within the intermediate layer or within the protective layer.

The utility model relates to a compound tubular product of polyethylene three-layer wall-standing steel band, the resistant environmental suitability of protective layer 3 is high, even protective layer 3 receives the damage of external environment and does not influence the wholeness ability of tubular product yet, compares with compound pipe is moulded to other steel, the utility model discloses a three layer construction design, the outer wall of the protective layer in the outside levels for when the external force is resisted to tubular product, the common effort of body can be promoted to atress very even. Meanwhile, the steel-plastic reinforcing ribs can be effectively protected from being damaged by the external environment, so that the overall performance index and the service life of the pipe are ensured.

The strength and rigidity of the steel-plastic stud reinforcement body 4 which is vertically arranged are beneficial to plastic pipelines, and the ring rigidity is greatly improved on the premise of ensuring the corrosion resistance. Because the outer wall of protective layer 3 levels, the interface position can adopt multiple interface mode: socket joint connection, thermal contraction cover or electric hot melt area connection, flange connection, clamp formula elastic connection etc. no matter what kind of connected mode adopts, all can play better sealed effect of closing water.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims (8)

1. The utility model provides a compound tubular product of polyethylene three-layer wall standing steel band which characterized in that, includes the body, the body is from interior to including inlayer, intermediate level and protective layer outward in proper order, the inlayer with it moulds the muscle reinforcement or mould the muscle reinforcement only to be equipped with in the cavity that the intermediate level formed, the protective layer pastes and covers the outside in intermediate level, the intermediate level with be equipped with the high strength steel wire framework reinforcement between the protective layer.

2. The polyethylene three-layer wall-standing steel belt composite pipe as claimed in claim 1, wherein the steel-plastic stud reinforcement or the pure-plastic stud reinforcement is perpendicular to the inner layer or the middle layer, and the top end or the bottom end of the steel-plastic stud reinforcement or the pure-plastic stud reinforcement is fused with the middle layer or the inner layer respectively.

3. The polyethylene three-layer wall-standing steel belt composite pipe as claimed in claim 1, wherein the steel-plastic stud reinforcement or the pure-plastic stud reinforcement is sequentially spirally arranged along the axial direction of the pipe body.

4. The polyethylene three-layer wall-standing steel strip composite pipe as claimed in claim 1, wherein the steel-plastic stud reinforcement is made of carbon steel strip and polyethylene coated outside the carbon steel strip.

5. The polyethylene three-layer wall-standing steel belt composite pipe as claimed in claim 1, wherein the high-strength steel wire skeleton reinforcement is made of high-strength copper-plated steel wires compounded with adhesive resin by high-frequency heating.

6. The polyethylene three-layer wall-standing steel belt composite pipe as claimed in claim 1, wherein the high strength steel wire skeleton reinforcement is also arranged inside the inner layer or the middle layer or the protective layer.

7. The polyethylene three-layer wall-standing steel belt composite pipe as claimed in claim 1, wherein the inner layer, the middle layer, the protective layer and the pure plastic stud reinforcement are all made of high density polyethylene.

8. The polyethylene three-layer wall-standing steel belt composite pipe material as claimed in claim 1, wherein the protective layer and the intermediate layer are formed by bonding and fusing by using bonding resin or high-temperature high-pressure impact extrusion spiral axial winding.

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