Joined E-belt

A combined belt and tear-resistant technology, which is applied in the direction of transmission belts, belts/chains/gears, mechanical equipment, etc., can solve the problems of increased bending stress of combined belts, cracks in the connecting layer, large working load and torque, etc. Achieve the effect of reducing bending stress, good dimensional stability and low running noise

Active Publication Date: 2019-02-01
ZHEJIANG FENFEI RUBBER & PLASTIC PROD CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, because multiple sets of transmission belts work side by side, the work load and torque they bear are relatively large. Due to the structural design of the belt body, the existing combined belts have the problems of being unable to meet high-intensity work and having a short service life.
[0004] There is a stretch-resistant combined belt on the market, the connecting layer includes an outer layer, a middle layer and an inner layer connected in sequence, the inner layer is connected to the belt, the first composite metal mesh is set between the inner layer and the middle layer, and the middle layer and the outer layer A second composite metal mesh is arranged between them, and a plurality of horizontal high-toughness tensile wires and longitudinal high-toughness tensile wires arranged side by side are evenly embedded on the middle layer, and the horizontal high-toughness tensile wires and the longitudinal high-toughness tensile wires are perpendicular to each other; The composite metal mesh increases the tensile strength of the ganged belt, but also increases the internal bending stress of the ganged belt during operation, which leads to cracks easily appearing inside the connecting layer and reduces its service life

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] see figure 1 , the E-type combined belt of the present invention comprises a connecting layer 2, and three V-belts 1 bonded with the connecting layer 2 by vulcanization, and the E-shaped combined belt has a top width B of 38mm and a pitch BV of 32mm, the height H is 23mm, and the angle is 40°; the V-belt 1 is made from the following raw material components in parts by weight: styrene-butadiene rubber 1502 25 parts, natural rubber 55 parts, regenerated rubber 20 parts, zinc oxide 6 4 parts, aromatic hydrocarbon oil 4 parts, antioxidant 6 parts, stearic acid 2 parts, carbon black N330 50 parts, light calcium carbonate 35 parts, kaolin 20 parts, anti-scorch agent 0.5 parts, accelerator CBS 2 parts, accelerator DTDM0 .8 parts, 2.5 parts of vulcanizing agent, 2.5 parts of wear-resisting agent; Described connection layer 2 is made of the tear-resistant rubber layer 21 of inner layer and the flexible polyester-cotton cloth layer 22 of outer layer, tear-resistant rubber layer 2...

Embodiment 2

[0029] The difference from Example 1 is that in this example, the raw material components of the wear-resistant rubber belt are: 5 parts of zinc oxide, 3 parts of aromatic oil, 5 parts of anti-aging agent, 1.2 parts of stearic acid, carbon black 40 parts of N330, 30 parts of light calcium carbonate, 15 parts of kaolin, 0.4 parts of anti-scorch agent, 1 part of accelerator CBS, 0.5 parts of accelerator DTDM, 2 parts of vulcanizing agent, 2 parts of wear-resistant agent; the tear resistance of the inner layer of the connection layer 2 The thickness of the cracked rubber layer 21 is 2.5mm, and the raw material components of the tear-resistant rubber layer belt are: 4 parts of zinc oxide, 0.5 part of magnesium oxide, 3 parts of aromatic oil, 5 parts of anti-aging agent, and 10 parts of adhesive RF , 0.5 parts of stearic acid, 35 parts of carbon black N330, 20 parts of carbon black N660, 10 parts of white carbon black, 3 parts of resin 203, 3 parts of comaron, 0.2 parts of anti-scor...

Embodiment 3

[0031] The difference from Example 1 is that in this example, the raw material components of the wear-resistant rubber belt are: 7 parts of zinc oxide, 5 parts of aromatic oil, 7 parts of anti-aging agent, 1.5 parts of stearic acid, carbon black 60 parts of N330, 50 parts of light calcium carbonate, 25 parts of kaolin, 0.6 parts of anti-scorch agent, 3 parts of accelerator CBS, 1 part of accelerator DTDM, 3 parts of vulcanizing agent, 3 parts of wear-resistant agent; the tear resistance of the inner layer of the connection layer 2 The thickness of the cracked rubber layer 21 is 4.5mm, and the raw material components of the tear-resistant rubber layer belt are: 6 parts of zinc oxide, 1.5 parts of magnesium oxide, 5 parts of aromatic oil, 7 parts of anti-aging agent, and 15 parts of adhesive RF , 0.8 parts of stearic acid, 45 parts of carbon black N330, 25 parts of carbon black N660, 15 parts of white carbon black, 5 parts of resin 203, 5 parts of solid Marone, 0.5 parts of anti-...

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Abstract

The invention relates to a joined E-belt. The joined E-belt comprises a connection layer and three V-belts which adhere to the connection layer through vulcanization; the connection layer is composedof an inner anti-tear rubber layer and an outer flexible polyester-mixed cotton cloth layer, and the anti-tear rubber layer and the flexible polyester-mixed cotton cloth layer are bonded through vulcanization; the anti-tear rubber layer is 2.5-4.5 mm thick, and the flexible polyester-mixed cotton cloth layer is 0.3-0.6 thick; each V-belt is composed of a rubber matrix and a framework arranged in the rubber matrix, the framework is formed by winding HMLS polyester fiber cotton ropes in the circumferential direction of the V-belt side by side, the diameter of the HMLS polyester fiber cotton ropes is 0.6-1.0 mm, and the winding density is 6-9 ropes per centimeter. The joined E-belt suitable for large-power transmission has the advantages of being high in strength, low in operation noise and long in service life.

Description

technical field [0001] The invention relates to the technical field of rubber transmission belt production, in particular to an E-type combined belt. Background technique [0002] The V-belt is the most widely used transmission belt in the transmission belt. The V-belt transmission relies on the friction force generated by the pressure between the two sides of the V-belt and the side of the wheel groove for power transmission; the V-belt relies on its advantages of compact transmission structure and large transmission power. And widely used in various mechanical equipment. [0003] The combined V-belt is a V-belt group formed by connecting several V-belts through the connecting layer. The combination of V-belts can make the vibration of the V-belts cancel each other through the connecting layer, and the combination can endow each V-belt with lateral rigidity and stability, thereby eliminating the vibration phenomenon of each single root. In addition, the combined V-belt ha...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16G1/10F16G1/28C08L7/00C08L9/06C08L17/00C08K3/22C08K5/09C08K3/34C08K3/26C08K3/04C08L11/00C08K3/36
CPCF16G1/10F16G1/28C08L7/00C08L9/06C08K2003/222C08K2003/2296C08K2003/265C08L17/00C08K3/22C08K5/09C08K3/346C08K3/26C08K3/04C08L11/00C08K3/36
Inventor 胡余日俞翔王桂红
Owner ZHEJIANG FENFEI RUBBER & PLASTIC PROD CO LTD
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