CN217417175U

CN217417175U - Steel-plastic composite structure carrier roller pipe body for coal conveying

Info

Publication number: CN217417175U
Application number: CN202220208925.5U
Authority: CN
Inventors: 廖延君
Original assignee: Langfang Derun Technology Co ltd
Current assignee: Langfang Derun Technology Co ltd
Priority date: 2022-01-25
Filing date: 2022-01-25
Publication date: 2022-09-13
Anticipated expiration: 2032-01-25

Abstract

A steel-plastic composite structure carrier roller pipe body for coal conveying relates to the technical field of carrier roller pipes. Outer surface evenly distributed at steel tubular skeleton texture (1) has vertical reinforcing bar (2) of many parallels, still be equipped with one deck resin tie coat (3) in steel tubular skeleton texture (1) periphery simultaneously, be wear-resisting fire-retardant antistatic polymer material layer (4) in the outside of resin tie coat (3), wear-resisting fire-retardant antistatic polymer material layer (4) are coaxial with steel tubular skeleton texture (1), resin tie coat (3) are with steel tubular skeleton texture (1), vertical reinforcing bar (2), wear-resisting fire-retardant antistatic polymer material layer (4) bonding becomes an organic whole. Overcome metal bearing roller weight big, the noise is big, the big shortcoming of energy consumption, possessed the not performance of ordinary nonmetal bearing roller again: the steel-plastic composite structure pipe body has the advantages of large bearing capacity of the carrier roller, high bending strength, difficult deformation and no waist collapse.

Description

Steel-plastic composite structure carrier roller pipe body for coal conveying

Technical Field

The application relates to the technical field of carrier roller pipe bodies, in particular to a steel-plastic composite structure carrier roller pipe body for coal conveying.

Background

China has been the first coal producing and consuming countries of the world for years, the production and consumption amount accounts for half of the world at present, and the coal is mainly used for the heavy industry of electric power, metallurgy, building materials and the like. Coal is used as important basic energy and industrial raw materials in China, the economic and social development is effectively supported, the yield of coal in China is 38.7 hundred million tons in 2014, and the coal provides inexhaustible power for continuous and rapid forward of economic trains in China.

At present, coal conveying of coal mines and thermal power plants is mostly carried by a conveyor belt, and a carrier roller for supporting the conveyor belt is made of metal materials at the earliest. The carrier roller has heavy weight due to the high density of the metal material, so that the whole conveying device has heavy weight, which brings troubles to installation and transportation, and meanwhile, the operation of the carrier roller needs to consume more energy of electric power. In addition, the metal carrier roller has high noise, so that the working and life of surrounding personnel are influenced due to great noise pollution brought to the use environment.

Later, non-metal carrier rollers such as cast nylon appear, the weight of carrier roller has been alleviateed greatly, has improved the demand of the service environment of carrier roller to a certain extent. However, these non-metallic carrier rollers have a single structure, are mostly made of non-metallic materials, or have insufficient strength and rigidity, or have poor low-temperature resistance, are easy to twist and crack, and cannot meet the ideal requirements of coal transportation.

SUMMERY OF THE UTILITY MODEL

For overcoming prior art not enough, this application provides a bearing roller that compound structure bearing roller body was made is moulded to steel for coal is carried, has both overcome metal bearing roller weight big, the noise is big, the big shortcoming of energy consumption, has possessed the not performance of ordinary nonmetal bearing roller again: the steel-plastic composite structure pipe body has large carrying capacity of the carrier roller and high bending strength, and is not easy to deform and collapse; the outer polymer material of the pipe body has excellent high wear resistance and ageing resistance, low surface hardness, small friction coefficient and high self-lubricating property, and cannot cause abrasion to a belt. The pipe body is not corroded when meeting water, acid, alkali liquid and the like. The weight is light, and the installation and the replacement are easy and convenient; the rotation is noiseless, and the working environment is purified; the carrier roller absorbs impact energy, is low temperature resistant, sanitary and nontoxic, is not easy to adhere and the like.

A steel-plastic composite structure carrier roller pipe body for coal conveying is characterized in that a plurality of parallel longitudinal steel bars (2) are uniformly distributed on the outer layer surface of a steel tubular framework structure (1), each longitudinal steel bar (2) is axially attached to the surface of the steel tubular framework structure (1) along the steel tubular framework structure (1), and the plurality of parallel longitudinal steel bars (2) are uniformly distributed on the periphery of the steel tubular framework structure (1); meanwhile, a resin bonding layer (3) is further arranged on the periphery of the steel tubular framework structure (1), the longitudinal steel bars (2) are distributed in the resin bonding layer (3), and the resin bonding layer (3) is used for bonding the longitudinal steel bars (2) and the steel tubular framework structure (1) together; the steel pipe-shaped framework structure is characterized in that a wear-resistant flame-retardant antistatic polymer material layer (4) is arranged on the outer side of the resin bonding layer (3), the wear-resistant flame-retardant antistatic polymer material layer (4) is coaxial with the steel pipe-shaped framework structure (1), and the resin bonding layer (3) bonds the steel pipe-shaped framework structure (1), the longitudinal steel bar (2) and the wear-resistant flame-retardant antistatic polymer material layer (4) into a whole.

The number of the longitudinal steel bars (2) is preferably 2-8.

A plurality of grooves with the length along the axial direction are formed in the inner surface of the wear-resistant flame-retardant antistatic polymer material layer (4), and the longitudinal steel bars (2) are embedded into the grooves; namely, the inner surface of the wear-resistant flame-retardant antistatic polymer material layer (4) is provided with a groove corresponding to the longitudinal steel bar (2), so that the longitudinal steel bar (2) falls into the groove.

The steel-plastic composite carrier roller pipe body for coal conveying adopts organic compounding of wear-resistant high polymer materials and steel materials, overcomes the defects, and realizes excellent physical and mechanical comprehensive performance and carrier roller functionality by utilizing the advantages; the contact surface between the steel structure and the outer layer wear-resistant material is increased through a plurality of longitudinal steel bars on the outer layer of the steel structure, and the strength of mutual combination is increased; under the condition that the bonding resin fails or large torque is applied to the carrier roller, the possibility that the wear-resistant material layer and the steel structure are loosened or even rotated mutually to fall off is further limited and prevented through the mechanical action of the steel bars.

Drawings

FIG. 1 is a schematic structural view of a steel-plastic composite structure carrier roller tube body for coal conveying;

the steel tube-shaped framework structure comprises a steel tube-shaped framework structure (1), longitudinal steel bars (2), a resin bonding layer (3) and a wear-resistant flame-retardant antistatic polymer material layer (4).

Detailed Description

The present application is further illustrated by the following examples, but the present application is not limited to the following examples.

Example 1

A steel-plastic composite structure carrier roller pipe body for coal conveying is characterized in that a plurality of parallel longitudinal steel bars 2 are uniformly distributed on the outer layer surface of a steel tubular framework structure 1, each longitudinal steel bar 2 is axially attached to the surface of the steel tubular framework structure 1 along the steel tubular framework structure 1, and the plurality of parallel longitudinal steel bars 2 are uniformly distributed on the periphery of the steel tubular framework structure 1; meanwhile, a resin bonding layer 3 is further arranged on the periphery of the steel tubular framework structure 1, the longitudinal steel bars 2 are distributed in the resin bonding layer 3, and the resin bonding layer 3 bonds the longitudinal steel bars 2 and the steel tubular framework structure 1 together; the outer side of the resin bonding layer 3 is a wear-resistant flame-retardant antistatic polymer material layer 4, the wear-resistant flame-retardant antistatic polymer material layer 4 is coaxial with the steel tubular framework structure 1, and the resin bonding layer 3 bonds the steel tubular framework structure 1, the longitudinal steel bar 2 and the wear-resistant flame-retardant antistatic polymer material layer 4 into a whole. The inner surface of the wear-resistant flame-retardant antistatic polymer material layer 4 is provided with a plurality of grooves with the length along the axial direction, and the longitudinal steel bar 2 is embedded into the grooves

The steel-plastic composite structure carrier roller tube body for coal conveying is made of the following materials and specifications:

the invention relates to a steel-plastic composite structure carrier roller body, which is an organic combination of a steel skeleton structure and an organic polymer material, realizes the strength and rigidity of a conveying carrier roller with the steel structure material, and has the advantages of light weight, wear resistance, corrosion resistance, energy conservation, environmental protection, low noise and the like of the polymer carrier roller.

1. Inner layer steel frame structure of carrier roller tube body

The steel skeleton structure comprises but is not limited to a common steel pipe, a galvanized steel pipe, a seamless steel pipe, a welded steel pipe and the like, and the thickness of the structural layer is generally 2.0-6.0 mm; the steel skeleton structure is distributed with 1-n longitudinal arranged steel bars, the section of the steel bar is mostly trapezoidal or rectangular, the width is 1.0-8.0mm, and the height is 3.0-5.0 mm.

2. Adhesive resin in the middle of roller tube

The adhesive resin in the steel-plastic composite structure carrier roller pipe body organically bonds the inner steel skeleton structure layer with the outer high-wear-resistance double-anti-polymer material, so that the possibility that the outer layer material falls off due to overload heat generation or other reasons is prevented; the thickness of the adhesive resin layer is generally 0.3 to 0.6 mm.

3. High wear-resistant outer layer of roller tube

The high wear-resistant outer layer of the steel-plastic composite structure carrier roller pipe body is a modified high molecular polymer, and meets the comprehensive performance requirements of high wear resistance, high strength, high rigidity, flame retardance, antistatic safety and the like of the carrier roller pipe body for coal conveying.

This bearing roller body wearing layer is extrusion moulding material, possesses fire-retardant, antistatic and high wear resistant functional polymer simultaneously, includes but not limited to: polyurethane (SK-TPU, ultrahigh molecular weight polyethylene (SK-UHMWPE), glass fiber (or glass microsphere reinforced polyethylene (SK-GFPE and other wear-resistant high polymer elastomer materials, etc.), wherein the thickness of the wear-resistant layer of the roller tube body is determined by the size specification of the roller, and is generally 4.0-10.0 mm.

Claims

1. A steel-plastic composite structure carrier roller pipe body for coal conveying is characterized in that a plurality of parallel longitudinal steel bars (2) are uniformly distributed on the outer layer surface of a steel tubular framework structure (1), each longitudinal steel bar (2) is axially attached to the surface of the steel tubular framework structure (1) along the steel tubular framework structure (1), and the plurality of parallel longitudinal steel bars (2) are uniformly distributed on the periphery of the steel tubular framework structure (1); meanwhile, a resin bonding layer (3) is further arranged on the periphery of the steel tubular framework structure (1), the longitudinal steel bars (2) are distributed in the resin bonding layer (3), and the resin bonding layer (3) is used for bonding the longitudinal steel bars (2) and the steel tubular framework structure (1) together; the outer side of the resin bonding layer (3) is provided with a wear-resistant flame-retardant antistatic polymer material layer (4), the wear-resistant flame-retardant antistatic polymer material layer (4) is coaxial with the steel tubular framework structure (1), and the resin bonding layer (3) bonds the steel tubular framework structure (1), the longitudinal steel bar (2) and the wear-resistant flame-retardant antistatic polymer material layer (4) into a whole.

2. The steel-plastic composite structure carrier roller pipe body for coal conveying according to claim 1, characterized in that the number of the longitudinal steel bars (2) is 2-8.

3. The steel-plastic composite structure carrier roller pipe body for coal conveying according to claim 1, characterized in that the inner surface of the wear-resistant flame-retardant antistatic polymer material layer (4) is provided with a plurality of grooves with the length along the axial direction, and the longitudinal steel bars (2) are embedded into the grooves; namely, the inner surface of the wear-resistant flame-retardant antistatic polymer material layer (4) is provided with a groove corresponding to the longitudinal steel bar (2), so that the longitudinal steel bar (2) falls into the groove.

4. The steel-plastic composite structure carrier roller tube body for coal conveying according to claim 1, characterized in that the steel tubular framework structure (1) is a common steel tube, a galvanized steel tube, a seamless steel tube or a welded steel tube structure; the thickness of the steel tubular framework structure (1) is 2.0-6.0 mm.

5. The steel-plastic composite structure carrier roller tube body for coal conveying according to claim 1, wherein the cross-sectional shape of the longitudinal steel bar is trapezoidal or rectangular; the rectangular shape has a width of 1.0-8.0mm and a height of 3.0-5.0 mm.

6. The steel-plastic composite structure roller tube body for coal conveying according to claim 1, wherein the thickness of the resin bonding layer is 0.3-0.6 mm.

7. A steel-plastic composite structure roller tube body for coal conveying according to claim 1, characterized in that the thickness of the wear-resistant flame-retardant antistatic polymer material layer (4) is 4.0-10.0 mm.