Edge-cutting double-sided transmission tooth-shaped tight-up belt

A combined belt, double-sided technology, used in transmission belts, belts/chains/gears, mechanical equipment, etc., can solve the problems of limited use range, large structure, large volume, large belt deformation, etc., to achieve good promotion and adaptability performance, high transmission efficiency, and low elongation

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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Existing double-sided united belts, such as the double-sided multi-V-shaped transmission belt with the patent No. 971813426 applied by the Goodyear Tire and Rubber Company of the United States, have solved the problem that the position of the groove in the longitudinal direction is easy to break, but the double-sided The combined belt needs to be equipped with a special pulley, its structure and volume are relatively large, and the scope of use is greatly affected by limitations
In the prior art, the special adhesive tape for rice harvesters disclosed in Patent Application No. 201110086161.3 uses aramid cord as the tensile material, which improves the impact resistance and transmission power of the adhesive tape; transverse short fibers are embedded in the primer to improve the adhesive tape. Adding short fibers to the surface glue increases the lateral rigidity of the tape and improves the transmission efficiency of the tape. However, due to the poor weather resistance of the rubber material and the large deformation of the belt body, there are still certain problems that cannot be achieved without maintenance. defect

Method used

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  • Edge-cutting double-sided transmission tooth-shaped tight-up belt

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Such as figure 1 As shown, the edge-cut double-sided transmission toothed combined belt structure provided by the present invention includes a top cloth 1 , a bottom glue 2 and a transverse connecting core rope 3 . The main improvement point of the present invention is to improve the mechanical properties of the combined belt by improving the formula of the primer and transversely connecting the core rope through two dippings, and obtain better technical effects.

[0031] Specifically for this embodiment, in terms of parts by mass, the specific formulation of the raw materials for preparing the primer includes:

[0032] 100 parts of rubber-plastic alloy hydrogenated nitrile rubber, as the main material of the joint belt; the rubber-plastic alloy hydrogenated nitrile rubber is 80 parts by mass of hydrogenated nitrile and 20 parts by mass of polyvinyl chloride at 230 ° C The blended product under heat refining;

[0033] 18 parts of poly-p-phenylene terephthalamide pulp ...

Embodiment 2

[0059] Structure is with embodiment 1. Specifically for this embodiment, in terms of parts by mass, the specific formulation of the raw materials for preparing the primer includes:

[0060] 100 parts of rubber-plastic alloy hydrogenated nitrile rubber, as the main material of the joint belt;

[0061] 15 parts of poly-p-phenylene terephthalamide pulp fiber, used as the filling material of the primer, to enhance the lateral stiffness of the combined belt;

[0062] 8 parts of carboxyl liquid nitrile rubber, used as a softener to improve the processing performance and low temperature resistance of the rubber;

[0063] 13 parts fumed silica (SiO 2 ), further improve the structural performance of vulcanized rubber, improve the flex resistance of the transmission belt, the adhesion performance with the skeleton material, and improve the chemical resistance, heat resistance and weather resistance of the product;

[0064] 45 parts of high wear-resistant carbon black (N330), 15 parts...

Embodiment 3

[0077] Structure is with embodiment 1. Specifically for this embodiment, in terms of parts by mass, the specific formulation of the raw materials for preparing the primer includes:

[0078] 100 parts of rubber-plastic alloy hydrogenated nitrile rubber, as the main material of the joint belt;

[0079] 22 parts of poly-p-phenylene terephthalamide pulp fiber, used as the filling material of the primer, to enhance the lateral stiffness of the combined belt;

[0080] 10 parts of carboxyl liquid nitrile rubber, used as a softener to improve the processing performance and low temperature resistance of the rubber compound;

[0081] 15 parts fumed silica (SiO 2 ), further improve the structural performance of vulcanized rubber, improve the flex resistance of the transmission belt, the adhesion performance with the skeleton material, and improve the chemical resistance, heat resistance and weather resistance of the product;

[0082] 40 parts of high wear-resistant carbon black (N330)...

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Abstract

The invention belongs to the technical field of transmission belt production and particularly relates to an edge-cutting double-sided transmission tooth-shaped tight-up belt product. The tight-up belt structurally comprises top fabric, a primer and transverse connection core ropes, wherein the primer comprises the following raw materials in parts by mass: 100 parts of rubber/plastic alloy hydrogenated nitrile butadiene rubber, 15-25 parts of poly-p-phenylene terephthamide pulp fiber, 8-10 parts of liquid carboxyl nitrile butadiene rubber, 13-20 parts of fumed silica, 45-55 parts of high-wear-resistant carbon black, 15-25 parts of semi-reinforcing carbon black, 1.5-3.0 parts of vulcanizing agent, 1.5-3.0 parts of accelerator, 5-9 parts of active agent, 1-5 parts of anti-aging agent and 2.5-6 parts of binder. The tight-up belt disclosed by the invention has the characteristics of high transmission efficiency, low elongation rate, tension-free maintenance and the like; the service life of the tight-up belt used on supporting equipment is more than 3 years; and the tight-up belt has relatively good promotion adaptability.

Description

technical field [0001] The invention belongs to the technical field of transmission belt production, and in particular relates to an edge-cut double-sided transmission tooth-shaped combination belt. Background technique [0002] The transmission belt is an indispensable standard part in the mechanical transmission device. When used for long-distance or multi-wheel-train transmission, the existing combined transmission belt cannot realize multi-wheel-train transmission due to its structural limitation. At present, most of the edge-trimming joint belts produced by domestic manufacturers are in the form of one side. Existing double-sided united belts, such as the double-sided multi-V-shaped transmission belt with the patent No. 971813426 applied by the Goodyear Tire and Rubber Company of the United States, have solved the problem that the position of the groove in the longitudinal direction is easy to break, but the double-sided The combined belt needs to be equipped with a s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L15/00C08L77/10C08L13/00C08L27/06C08K3/36C08K3/04C08K3/06C08K3/22D06M13/395D06M15/693F16G1/28
Inventor 唐全胜李洋李君巩迎军
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