CN215215126U

CN215215126U - Wear-resisting enhancement mode double-walled bellows

Info

Publication number: CN215215126U
Application number: CN202121662287.6U
Authority: CN
Inventors: 李洪伟
Original assignee: Shandong Shengda Pipe Co ltd
Current assignee: Shandong Shengda New Material Technology Co ltd
Priority date: 2021-07-21
Filing date: 2021-07-21
Publication date: 2021-12-17
Anticipated expiration: 2031-07-21

Abstract

The utility model relates to a wear-resisting enhancement mode double-walled bellows, including inner tube and the outer pipe of spiral, inner tube and the outer pipe of spiral are made by the PE material, the inner tube is the straight tube, the outer pipe spiral of spiral sets up the outside at the inner tube, the wearing layer has been paintd to the inside of inner tube. The utility model has the advantages that: the production process is simple, the quality is ensured reliably, and the composite pipe has the performance advantages of high wear resistance, high strength and the like.

Description

Wear-resisting enhancement mode double-walled bellows

Technical Field

The utility model relates to the technical field of tubular product, specifically indicate a wear-resisting enhancement mode double-walled bellows.

Background

The double-wall corrugated pipe is a novel light pipe made of high-density polyethylene, has the characteristics of light weight, high pressure resistance, good toughness, long service life and the like, has an excellent pipe wall structure design, greatly reduces the cost compared with pipes with other structures, is widely applied at home and abroad due to convenient and reliable connection, and can replace concrete pipes and cast iron pipes in a large quantity. Because the main component of the double-wall corrugated pipe is plastic, the wear resistance is poor, the sand and stone can easily form scratches on the double-wall corrugated pipe, the accumulation of the scratches can influence the overall structural strength of the double-wall corrugated pipe, and when the double-wall corrugated pipe is used for a long time, the double-wall corrugated pipe needs to be continuously maintained or replaced for management, the consumption of manpower and material resources is high, and the HDPE double-wall corrugated pipe is required to have good quality and enough structural strength to ensure the ring rigidity and the ring flexibility. In addition, the existing double-wall corrugated pipe generally needs to be buried underground when in use, the inner wall and the outer wall of the double-wall corrugated pipe need to bear certain pressure, and the pipeline is easily flattened and bent when in long-term use, so that the wear-resistant enhanced HDPE double-wall corrugated pipe is provided.

SUMMERY OF THE UTILITY MODEL

The utility model provides a high performance reinforcing double-walled bellows, it has performance advantages such as wearability, intensity height.

In order to solve the technical problem, the utility model provides a technical scheme does:

the wear-resistant enhanced double-wall corrugated pipe comprises an inner pipe and a spiral outer layer pipe, wherein the inner pipe and the spiral outer layer pipe are both made of PE materials, the inner pipe is a straight pipe, the spiral outer layer pipe is spirally arranged on the outer side of the inner pipe, and a wear-resistant layer is coated inside the inner pipe.

As an improvement, the inner pipe and the spiral outer layer pipe are compounded in a molten state.

As an improvement, the material of the wear-resistant layer is GXCG-1101.

After the structure more than adopting, the utility model has the advantages of as follows:

the utility model discloses an inner tube wall paints wearing layer, its material is GXCG-1101, and the impact energy of solid particle is separated through elastic deformation on the one hand to its one side, and on the other hand, after sharp-pointed granule fish tail material surface, the extension of crackle can be prevented effectively to the elastomer. XCG-1101 can conveniently use a common extruder to realize composite coextrusion with HDPE and PP, and has simple production process and reliable quality guarantee. The composite pipe has the advantages of high wear resistance, high strength and the like.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an enlarged schematic view of the structure a of the present invention.

As shown in the figure:

1. an inner pipe, 2, a spiral outer pipe, 3 and a wear-resistant layer.

Detailed Description

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

Combine attached figure 1-2, a wear-resisting enhancement mode double-walled bellows, including inner tube 1 and spiral outer pipe 2, inner tube 1 and spiral outer pipe 2 are made by the PE material, inner tube 2 is the straight tube, 2 spirals in the outer pipe of spiral set up in the outside of inner tube 1, wearing layer 3 has been paintd to the inside of inner tube 1, inner tube 1 and spiral outer pipe 2 are compound under the molten condition and form, the material of wearing layer 3 is GXCG-1101.

The utility model discloses in the preparation process, bellows each layer is compound one by one, the inner tube of the earlier coextrusion wearing layer of inner wall extruder and PE material promptly, the outer pipe of spiral of PE material is extruded to the outer wall simultaneously, the extrusion aircraft nose reposition of redundant personnel compresses into double-deck thin wall tubulose, blow the shaping of the interior outer wall that rises by compressed air between module and sizing cover, in very short time after that, the inner tube and the outer pipe of spiral that are in molten condition are under certain pressure, in the messenger, outer complete recombination, thereby become an overall structure's pipe wall, the cooling water is stereotyped afterwards, draw the tubular product drawing of patterns in succession.

The material of the wear-resistant layer 3 is GXCG-1101, which is a thermoplastic elastomer material with excellent wear resistance, the wear resistance mechanism of the wear-resistant layer is similar to that of wear-resistant rubber and TPU elastomers, on one hand, the impact energy of solid particles is dissolved through elastic deformation, and on the other hand, when sharp particles scratch the surface of the material, the elastomers can effectively prevent the extension of cracks. GXCG-1101 shows more excellent wear resistance than wear-resistant rubber and TPU, because the strength (more than or equal to 20) and the elongation (more than or equal to 600%) of GXCG-1101 are far higher than those of wear-resistant rubber.

The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.

Claims

1. The wear-resistant enhanced double-wall corrugated pipe is characterized by comprising an inner pipe (1) and a spiral outer-layer pipe (2), wherein the inner pipe (1) and the spiral outer-layer pipe (2) are both made of PE materials, the inner pipe (1) is a straight pipe, the spiral outer-layer pipe (2) is spirally arranged on the outer side of the inner pipe (1), and a wear-resistant layer (3) is coated in the inner pipe (1).

2. A wear-resistant reinforced double-walled corrugated pipe as claimed in claim 1, wherein: the inner pipe (1) and the spiral outer layer pipe (2) are compounded in a molten state.

3. A wear-resistant reinforced double-walled corrugated pipe as claimed in claim 1, wherein: the wear-resistant layer (3) is made of GXCG-1101.