Aramid fiber core tubular conveying belt

Abstract

The utility model belongs to the technical field of conveyor belt design, and particularly relates to an aramid fiber core tubular conveyor belt which comprises an aramid fiber belt core layer, an upper reinforcing layer is arranged on the upper surface of the aramid fiber belt core layer, a lower reinforcing layer is arranged on the lower surface of the aramid fiber belt core layer, and rubber covering layers are arranged on the surfaces of the upper reinforcing layer and the lower reinforcing layer. The width of the rubber covering layer is larger than that of the aramid fiber belt core layer, and the width of the aramid fiber belt core layer is larger than or equal to that of the upper reinforcing layer and / or the lower reinforcing layer. The end parts of the aramid fiber belt core layer, the upper reinforcing layer and the lower reinforcing layer are sealed by adopting a material which is the same as that of the rubber covering layer; and the end parts of the aramid fiber core tubular conveying belt are flush. According to the tubular conveying belt with the aramid fiber core, the aramid fiber is adopted to replace a steel wire rope to serve as the framework, meanwhile, the aramid fiber canvas is changed into a plain weave structure, an interlocking structure is formed between the weft yarn and the warp yarn, and rigidity can be improved; the weft yarn structure adopts a mixed weaving structure of aramid yarn and nylon, the aramid yarn in the center of the weft yarn can provide rigidity, and the nylon coating layer on the outer layer can provide flexibility and deformation recovery.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of the conveyor belt design, specifically relates to a kind of aramid core tubular conveyor belt. BACKGROUND

[0002] Tubular belt is closed transport, it is difficult to produce scattering material, dust and other problems, it is a kind of environment-friendly material transport mode.It is widely used in mine, wharf, metallurgy, cement, port and other scenes.Aramid fiber is high in specific strength, under the same strength, lighter in weight, which means that the required operating motor power is smaller.In addition, aramid also has excellent high temperature resistance, chemical resistance, flame resistance, impact resistance and other properties.The application prospect in aramid core tubular conveyor belt is broad.The steel wire rope skeleton of steel wire rope core tubular conveyor belt is independently distributed for each one, and the tear resistance is poor, and the thickness of steel wire rope is thicker and the weight is heavier than aramid under the same strength.However, the traditional conveyor belt uses aramid cloth as diameter straight weft structure, and the weft yarn is nylon material, which cannot provide sufficient rigidity. SUMMARY

[0003] The utility model aims at overcoming the deficiencies in the prior art, and provides a kind of aramid core tubular conveyor belt.The aramid core tubular conveyor belt of the utility model uses aramid to replace steel wire rope as skeleton, and aramid canvas is changed into plain weave structure, interlocking structure is formed between weft yarn and warp yarn, which can improve rigidity;Weft yarn structure adopts the mixed weaving structure of aramid yarn and nylon, and the aramid yarn in the center of weft yarn can provide more rigidity, and the outer layer of nylon covering layer can provide flexibility and deformation recovery.

[0004] To achieve the above technical purpose, the technical scheme adopted by the utility model embodiment is:

[0005] An aramid core tubular conveyor belt includes an aramid belt core layer, an upper reinforcing layer is arranged on the upper surface of the aramid belt core layer, a lower reinforcing layer is arranged on the lower surface of the aramid belt core layer, a rubber covering layer is arranged on the surface of the upper reinforcing layer and the lower reinforcing layer, the width of the rubber covering layer is greater than the width of the aramid belt core layer, and the width of the aramid belt core layer is greater than or equal to the width of the upper reinforcing layer and the lower reinforcing layer.

[0006] The end of the aramid belt core layer, the upper reinforcing layer and the lower reinforcing layer is sealed with the same material as the rubber covering layer, and the end of the aramid core tubular conveyor belt is flush.

[0007] Further, the weft yarn of the aramid belt core layer is a mixed weaving structure of aramid yarn and nylon, the weft yarn has an aramid yarn as a center layer and a nylon covering layer as an outer layer, and the nylon covering layer is wrapped outside the aramid yarn.

[0008] Further, the aramid belt core layer is woven in a plain weave structure, and the weft density is 20-46 per 10 cm.

[0009] Further, the upper and / or lower reinforcing layer is made of one or two of nylon canvas, polyester canvas, steel mesh, duck cloth and mesh cloth.

[0010] Further, the aramid belt core layer, the upper and / or lower reinforcing layer and the rubber cover layer are formed into a rubber-terminated aramid core tubular conveyor belt through molding and vulcanization.

[0011] The technical scheme provided by the embodiment of the utility model has the beneficial effects that:

[0012] The aramid core tubular conveyor belt of the utility model adopts aramid instead of steel wire rope as a framework, and the aramid canvas is changed into a plain weave structure, and an interlocking structure is formed between the weft and the warp, which can improve rigidity; the weft structure adopts a mixed weaving structure of aramid yarn and nylon, the aramid yarn in the center of the weft can provide more rigidity, and the outer nylon cladding layer can provide flexibility and deformation recovery. Compared with the traditional steel wire rope core tubular conveyor belt, the aramid core tubular conveyor belt of the utility model has a light and thin belt body, can select a smaller motor power, and is more energy-saving; and the elongation of aramid material is larger than that of steel wire rope, so the allowable turning angle is larger and the turning radius is smaller, and the corresponding terrain restriction is smaller. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 is a structural schematic view of the aramid core tubular conveyor belt in the embodiment of the utility model.

[0014] Figure 2 is Figure 1 a structural schematic view of a single aramid rope.

[0015] Mark 1- aramid belt core layer; 2- upper reinforcing layer; 3- lower reinforcing layer; 4- rubber cover layer; 5- aramid yarn; 6- nylon cladding layer. DETAILED DESCRIPTION

[0016] In the description of the utility model, it is understood that the orientation words such as 'in, out', 'up, down', 'left, right' and the like indicate the orientation or position relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and in the absence of the opposite description, these orientation words do not indicate and imply that the indicated device or element must have a particular orientation or be constructed and operated in a particular orientation, so it cannot be understood as a limitation on the protection scope of the utility model.

[0017] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain this utility model and are not intended to limit this utility model. Example

[0018] like Figure 1 As shown, an aramid core tubular conveyor belt includes an aramid core layer 1, an upper reinforcing layer 2 disposed on the upper surface of the aramid core layer 1, a lower reinforcing layer 3 disposed on the lower surface of the aramid core layer 1, and a rubber covering layer 4 disposed on the surface of both the upper reinforcing layer 2 and the lower reinforcing layer 3. The width of the rubber covering layer 4 is greater than the width of the aramid core layer 1, the width of the aramid core layer 1 is greater than the width of the lower reinforcing layer 3, and the width of the lower reinforcing layer 3 is greater than the width of the upper reinforcing layer 2.

[0019] The ends of the aramid core layer 1, the upper reinforcing layer 2, and the lower reinforcing layer 3 are sealed with the same material as the rubber cover layer 4, and the ends of the aramid core tubular conveyor belt are flush.

[0020] Specifically, the aramid core layer 1, the upper reinforcing layer 2, the lower reinforcing layer 3 and the rubber cover layer 4 are molded and vulcanized. The rubber of the rubber cover layer 4 is filled into the ends of the aramid core layer 1, the upper reinforcing layer 2 and the lower reinforcing layer 3 to form a rubber-sealed aramid core tubular conveyor belt.

[0021] The weft of the aramid core layer 1 is a mixed structure of aramid yarn and nylon. The weft has aramid yarn 5 as the central layer and nylon covering layer 6 as the outer layer, with the nylon covering layer 6 covering the outside of the aramid yarn.

[0022] The aramid core layer 1 is woven with a plain weave structure and the weft density is 20-46 threads / 10 cm.

[0023] The upper reinforcing layer 2 and / or the lower reinforcing layer 3 are made of one or two of the following: nylon canvas, polyester canvas, steel mesh, cord fabric and mesh fabric.

[0024] Finally, it should be noted that the above specific embodiments are only used to illustrate the technical solution of this utility model and not to limit it. Although this utility model has been described in detail with reference to examples, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solution of this utility model without departing from the spirit and scope of the technical solution of this utility model, and all such modifications and substitutions should be covered within the scope of the claims of this utility model.

Claims

1. An aramid core tubular conveyor belt characterized by, The aramid core pipe-shaped conveying belt comprises an aramid belt core layer (1), an upper reinforcing layer (2) is arranged on the upper surface of the aramid belt core layer (1), a lower reinforcing layer (3) is arranged on the lower surface of the aramid belt core layer (1), a rubber covering layer (4) is arranged on the surface of the upper reinforcing layer (2) and the lower reinforcing layer (3), the width of the rubber covering layer (4) is greater than the width of the aramid belt core layer (1), and the width of the aramid belt core layer (1) is greater than or equal to the width of the upper reinforcing layer (2) and the lower reinforcing layer (3); The end portions of the aramid belt core layer (1), the upper reinforcing layer (2) and the lower reinforcing layer (3) are sealed by the same material as the rubber covering layer (4), and the end portions of the aramid core pipe-shaped conveying belt are flush. The weft of the aramid belt core layer (1) is a mixed weaving structure of aramid yarn and nylon, the weft takes aramid yarn (5) as a center layer and takes a nylon cladding layer (6) as an outer layer, and the nylon cladding layer (6) is cladded outside the aramid yarn (5).

2. The aramid core pipe belt of claim 1, wherein, The aramid belt core layer (1) is woven by using a plain weave structure, and the weft density is 20-46 per 10 cm.

3. The aramid core pipe belt of claim 1 wherein, The upper reinforcing layer (2) and / or the lower reinforcing layer (3) is one or two of nylon canvas, polyester canvas, steel mesh, cord fabric and mesh fabric.

4. The aramid core pipe belt of claim 1 wherein, The aramid belt core layer (1), the upper reinforcing layer (2), the lower reinforcing layer (3) and the rubber covering layer (4) are formed into the aramid core pipe-shaped conveying belt through molding and vulcanization.

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