CN212131572U

CN212131572U - Steel wire mesh framework plastic composite pipe

Info

Publication number: CN212131572U
Application number: CN202020358145.XU
Authority: CN
Inventors: 刘光权; 柴亦江
Original assignee: Hangzhou Jiu Yang Plastics Piping Industry Co ltd
Current assignee: Hangzhou Jiu Yang Plastics Piping Industry Co ltd
Priority date: 2020-03-19
Filing date: 2020-03-19
Publication date: 2020-12-11
Anticipated expiration: 2030-03-19

Abstract

The utility model relates to a steel wire mesh skeleton plastic composite pipe, which comprises an outer layer, an adhesive layer and an inner layer from outside to inside in sequence, wherein the steel wire mesh skeleton layer is arranged in the adhesive layer, a reinforcing spring is arranged in the adhesive layer, and the reinforcing spring is sleeved outside the steel wire mesh skeleton layer; a plurality of groups of first reinforcing pieces positioned in the bonding layer are constructed on the outer side of the inner layer, one group of first reinforcing pieces comprises a plurality of pairs of first bulges arranged along the axial direction, one pair of first bulges comprises two first bulges, and the reinforcing spring is positioned between the first bulges in the radial plane projection; the utility model discloses have structural strength height and the better effect of anti deformability.

Description

Steel wire mesh framework plastic composite pipe

Technical Field

The utility model belongs to the technical field of the technique of tubular product and specifically relates to a compound pipe of wire net skeleton plastics is related to.

Background

The steel wire net skeleton plastic composite pipe is an improved novel steel skeleton plastic composite pipe. The pipe is also called an srtp pipe and is widely applied to long-distance buried fluid pipeline systems; the novel pipeline is made of high-strength plastic-coated steel wire mesh framework and thermoplastic plastic polyethylene as raw materials, the steel wire winding mesh is used as a framework reinforcement of the polyethylene plastic pipe, high-density polyethylene (HDPE) is used as a matrix, and the steel wire framework is tightly connected with inner and outer layers of high-density polyethylene by adopting high-performance HDPE modified bonding resin, so that the novel pipeline has an excellent composite effect. Because the high strength steel wire reinforcement is encased in the continuous thermoplastic, the composite pipe overcomes the disadvantages of, and maintains the advantages of, steel and plastic pipes, respectively.

For example, chinese patent with publication number CN105736850A discloses a steel wire mesh skeleton plastic composite pipe assembly, the pipe body is formed by mutually wrapping more than two layers of plastic pipes, a steel wire mesh skeleton is arranged between two adjacent layers of plastic pipes, and the steel wire mesh skeleton and the plastic pipes are bonded into a whole through bonding layers.

The existing pipe is easy to deform or even crack due to external high-strength impact in the long-distance installation process, so that the service life of the pipe is seriously influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a compound pipe of wire net skeleton plastics, it has structural strength height and the better effect of anti deformability.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

a plastic composite pipe with a steel wire mesh framework comprises an outer layer, an adhesive layer and an inner layer from outside to inside in sequence, wherein the steel wire mesh framework layer is arranged in the adhesive layer, a reinforcing spring is arranged in the adhesive layer, and the reinforcing spring is sleeved on the outer side of the steel wire mesh framework layer; the outer side of the inner layer is provided with a plurality of groups of first reinforcing parts located in the bonding layer, one group of first reinforcing parts comprise a plurality of pairs of first bulges arranged along the axial direction, one pair of first bulges comprise two first bulges, and the projection of the reinforcing spring in the radial plane is located between the first bulges.

By adopting the technical scheme, the reinforcing spring with the spiral structure has a damping effect, when external impact force is applied, the reinforcing spring absorbs the impact force, the impact force is uniformly dispersed to the surface of the steel wire mesh framework, and then the steel wire mesh framework is refined and dispersed to the inner layer, so that the pipe has the capability of resisting concentrated stress impact, the deformation resistance is good, and the reinforcing spring can also be used as a framework structure, and the structural strength of the whole pipe can be improved; and first arch can carry out the axial spacing to strengthening the spring to play the deformation degree that prevents to strengthen the spring atress when crooked, with the deformation power of absorption spring, thereby further improve the anti deformability of whole tubular product.

The present invention may be further configured in a preferred embodiment as: a plurality of groups of second reinforcing pieces are constructed on the inner side surface of the outer layer, and each group of second reinforcing pieces comprises a plurality of pairs of second bulges which are arranged along the axial direction and are arranged corresponding to the single pair of first bulges; the pair of second protrusions comprises two second protrusions, and the two second protrusions of the pair of second protrusions and the two first protrusions of the pair of first protrusions are arranged in a staggered mode.

By adopting the technical scheme, the pair of second bulges and the pair of first bulges are arranged in a staggered manner, when the pipe is bent in the forward direction, one of the first bulges and one of the second bulges are close to and abut against each other, so that the trend of preventing the forward bending of the pipe is achieved, when the pipe is bent in the reverse direction, the other first bulge and the other second bulge are close to and abut against each other, so that the trend of preventing the forward bending of the pipe is achieved; the two effects are combined, the tendency of preventing the pipe from bending can be achieved, and therefore the deformation resistance of the whole pipe is improved.

The present invention may be further configured in a preferred embodiment as: an axial gap is arranged between the first protrusion and the second protrusion, and the axial gap is a limiting surface.

By adopting the technical scheme, when the pipe is bent, the first protrusion is abutted to the first protrusion of the second protrusion, so that the strain speed of the anti-deformation capacity of the whole pipe is improved, and the first protrusion and the second protrusion can be mutually occluded, so that the connection between the outer layer and the inner layer is more stable.

The present invention may be further configured in a preferred embodiment as: a first reinforcing rib is fixed between the first protrusion and the inner layer.

Adopt above-mentioned technical scheme, first arch and second are protruding to be close to each other and support when leaning on, because the existence of first strengthening rib, can reduce first bellied deformation degree to improve the anti deformability of whole tubular product.

The present invention may be further configured in a preferred embodiment as: and a second reinforcing rib is fixed between the second bulge and the outer layer.

Adopt above-mentioned technical scheme, first arch and second are protruding to be close to each other and support when leaning on, because the existence of second strengthening rib, can reduce the bellied deformation degree of second to improve the anti deformability of whole tubular product.

The present invention may be further configured in a preferred embodiment as: the first reinforcing rib is positioned on one side of the first bulge, which is far away from the limiting surface; the second reinforcing rib is positioned on one side of the second bulge, which is far away from the limiting surface.

Adopt above-mentioned technical scheme for the position of first strengthening rib and second strengthening rib is more optimized, and when first arch was close to each other and was contradicted with the second arch promptly, first strengthening rib and second strengthening rib all were in compression deformation state, can reduce the bellied deformation degree of first arch and second under this state to a great extent, thereby improve the anti deformability of whole tubular product.

The present invention may be further configured in a preferred embodiment as: each group of the first reinforcing members is uniformly arranged along the circumference of the inner layer, and each group of the second reinforcing members is uniformly arranged along the circumference of the outer layer.

By adopting the technical scheme, all parts of the integral pipe can have the anti-deformation capacity.

The present invention may be further configured in a preferred embodiment as: the outer layer is an ultra-high molecular weight polyethylene layer.

By adopting the technical scheme, the ultra-high molecular weight polyethylene has good wear resistance, impact resistance, corrosion resistance, light resistance and other excellent performances, and is more suitable for the application environment of the pipe.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the reinforcing spring with the spiral structure has a damping effect, and the reinforcing spring is matched with the steel wire mesh framework, so that the impact force can be dispersed to the inner layer, and the pipe has the capability of resisting concentrated stress impact and better deformation resistance;

2. through the bellied crisscross setting of first arch and second, when the pipe fitting atress was crooked, first arch and second were protruding can be close to each other and contradict to prevent the crooked trend of pipe fitting, thereby further the anti deformability of whole tubular product.

Drawings

FIG. 1 is a sectional view of the overall structure of the present embodiment;

fig. 2 is a partially enlarged view of a portion a in fig. 1.

In the figure, 1, outer layer; 2. an adhesive layer; 3. an inner layer; 4. a steel wire mesh skeleton layer; 5. a reinforcing spring; 6. a first reinforcement; 61. a first protrusion; 62. a first reinforcing rib; 7. a second reinforcement; 71. a second protrusion; 72. a second reinforcing rib; 8. a limiting surface.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1 and 2, the steel wire mesh skeleton plastic composite pipe disclosed by the present invention sequentially comprises an outer layer 1, an adhesive layer 2 and an inner layer 3 from outside to inside, wherein the outer layer 1 is an ultra-high molecular weight polyethylene layer; a steel wire mesh framework layer 4 is arranged in the bonding layer 2, a reinforcing spring 5 is arranged in the bonding layer 2, and the reinforcing spring 5 is sleeved on the outer side of the steel wire mesh framework layer 4.

A plurality of groups of first reinforcing pieces 6 positioned in the bonding layer 2 are constructed on the outer side of the inner layer 3, and the groups of first reinforcing pieces 6 are uniformly arranged along the circumference of the inner layer 3; the group of first reinforcing members 6 comprises a plurality of pairs of first protrusions 61 arranged along the axial direction, the pair of first protrusions 61 comprises two first protrusions 61, and the reinforcing spring 5 is located between the pair of first protrusions 61 in a projection in a radial plane;

a plurality of groups of second reinforcing pieces 7 are constructed on the inner side surface of the outer layer 1, and the groups of second reinforcing pieces 7 are uniformly arranged along the circumference of the outer layer 1; the group of second reinforcing members 7 includes a plurality of pairs of second protrusions 71 arranged in the axial direction and arranged corresponding to the single pair of first protrusions 61; the pair of second protrusions 71 includes two second protrusions 71, the two second protrusions 71 of the pair of second protrusions 71 are staggered from the two first protrusions 61 of the pair of first protrusions 61, and the first protrusions 61 and the second protrusions 71 interfere with each other in the axial direction, and this interference position is named as a stopper surface 8.

A first reinforcing rib 62 is fixed between the first protrusion 61 and the inner layer 3, and the first reinforcing rib 62 is positioned on one side of the first protrusion 61 away from the limiting surface 8; a second reinforcing rib 72 is fixed between the second protrusion 71 and the outer layer 1, and the second reinforcing rib 72 is located on one side of the second protrusion 71 away from the limiting surface 8.

The implementation principle of the embodiment is as follows: when external impact force is applied, the reinforcing springs 5 absorb the impact force, the impact force is uniformly dispersed to the surface of the steel wire mesh framework layer 4, and the steel wire mesh framework layer 4 is thinned and dispersed to the inner layer 3, namely, the impact force is uniformly distributed layer by layer, so that the pipe has the capability of resisting concentrated stress impact and good deformation resistance, and the reinforcing springs 5 can also be used as a framework structure, so that the structural strength of the whole pipe can be improved;

meanwhile, the first bulges 61 can axially limit the reinforcing spring 5, namely when the reinforcing spring 5 is stressed and bent, the deformation tendency of the reinforcing spring 5 is limited by the first bulges 61 on the two sides, so that the deformation degree of the reinforcing spring 5 is reduced, and the deformation resistance of the whole pipe is further improved;

moreover, as the pair of second bulges 71 and the pair of first bulges 61 are in staggered occlusion arrangement, when the pipe is bent in the forward direction, one of the first bulges 61 and one of the second bulges 71 are close to each other and are abutted against each other, so that the trend of preventing the forward bending of the pipe is achieved, and when the pipe is bent in the reverse direction, the other one of the first bulges 61 and the other one of the second bulges 71 are close to each other and are abutted against each other, so that the trend of preventing the forward bending of the pipe is achieved; the two effects are combined, the tendency of preventing the pipe from bending can be achieved, and the deformation resistance of the whole pipe is further improved.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a compound pipe of wire net skeleton plastics, outside-in includes skin (1), adhesive linkage (2) and inlayer (3) in proper order, be equipped with wire net skeleton layer (4) in adhesive linkage (2), its characterized in that: a reinforcing spring (5) is arranged in the bonding layer (2), and the reinforcing spring (5) is sleeved outside the steel wire mesh framework layer (4); the outer side of the inner layer (3) is provided with a plurality of groups of first reinforcing parts (6) positioned in the bonding layer (2), one group of first reinforcing parts (6) comprises a plurality of pairs of first bulges (61) arranged along the axial direction, one pair of first bulges (61) comprises two first bulges (61), and the projection of the reinforcing spring (5) in the radial plane is positioned between the pair of first bulges (61).

2. The steel wire mesh skeleton plastic composite pipe of claim 1, wherein: a plurality of groups of second reinforcing pieces (7) are constructed on the inner side surface of the outer layer (1), and each group of second reinforcing pieces (7) comprises a plurality of pairs of second bulges (71) which are arranged along the axial direction and are arranged corresponding to the single pair of first bulges (61); the pair of second protrusions (71) includes two second protrusions (71), and the two second protrusions (71) of the pair of second protrusions (71) are arranged to be staggered with the two first protrusions (61) of the pair of first protrusions (61).

3. The steel wire mesh skeleton plastic composite pipe of claim 2, wherein: the first protrusion (61) and the second protrusion (71) are mutually abutted in the axial direction, and the abutted position is named as a limiting surface (8).

4. The steel wire mesh skeleton plastic composite pipe of claim 3, wherein: a first reinforcing rib (62) is fixed between the first protrusion (61) and the inner layer (3).

5. The steel wire mesh skeleton plastic composite pipe of claim 4, wherein: and a second reinforcing rib (72) is fixed between the second bulge (71) and the outer layer (1).

6. The steel wire mesh skeleton plastic composite pipe of claim 5, wherein: the first reinforcing rib (62) is positioned on one side of the first bulge (61) far away from the limiting surface (8); the second reinforcing rib (72) is positioned on one side of the second bulge (71) far away from the limiting surface (8).

7. The steel wire mesh skeleton plastic composite pipe according to any one of claims 2 to 6, wherein: the first reinforcing parts (6) of each group are uniformly arranged along the circumference of the inner layer (3), and the second reinforcing parts (7) of each group are uniformly arranged along the circumference of the outer layer (1).

8. The steel wire mesh skeleton plastic composite pipe of claim 1, wherein: the outer layer (1) is an ultra-high molecular weight polyethylene layer.