Rubber crawler belt for excavator and preparation method thereof

Abstract

The invention discloses a rubber crawler belt for an excavator, belonging to the technical field of rubber crawler belts. The rubber crawler belt comprises the following raw materials by weight: 50 to 60 parts of isoprene rubber, 20 to 25 parts of butadiene-acrylonitrile rubber, 15 to 18 parts of butadiene rubber, 10 to 15 parts of silicone rubber, 1 to 2 parts of paraffin, 5 to 8 parts of zinc oxide, 2 to 4 parts of stearic acid, 32 to 35 parts of silica-alumina carbon black, 1 to 2 parts of sulfur, 13 to 16 parts of plant oil, 1 to 2 parts of an anti-scorching agent, 1 to 3 parts of a promoter, 0.2 to 0.6 part of an anti-oxidant and 0.5 to 1 part of a plasticizer. The invention also discloses a preparation method for the rubber crawler belt. The rubber crawler belt provided by the invention has good physical properties and can meet demands on usage in severe environments.

Description

technical field [0001] The invention relates to the technical field of rubber crawlers, in particular to a rubber crawler for excavators and a preparation method thereof. Background technique [0002] Rubber tracks are mainly used for special occasions, such as military parades, tanks, armored vehicles, etc., to protect the ground! The rubber crawler walking system has low noise, small vibration and comfortable ride, especially suitable for high-speed transfer occasions, and realizes all-road passing performance. The advanced and reliable electrical instruments and machine status monitoring system provide a reliable guarantee for the correct operation of the driver. In addition to being used in the military, it is also widely used in large machinery, such as excavators and other tracked vehicles, with the same function and function. [0003] The rubber track is composed of rubber body, transmission parts, steel cord and canvas (or nylon), etc. It has the characteristics of...

AI Technical Summary

Problems solved by technology

[0003] The rubber track is composed of rubber body, transmission parts, steel cord and canvas (or nylon), etc. It has the characteristics of high adhesion, low operating noise, small vibration, small damage to the soil layer and low ground pressure. It is widely used in combine harvesters, and the normal service life of rubber tracks is about 1000h (hours). However, most of the current rubber tracks have the problem of being difficult to maintain excellent performance in a relatively harsh environment. For this reason, a solution is needed. Rubber crawlers for the above problems, in order to meet the needs of the actual situation

[0004] In the patent document with the publication number CN102827403A, a high-strength rubber crawler for an excavator and its manufacturing method are disclosed. 1.5-2.5 parts of stearic acid, 1-2 parts of antioxidant 4010NA, 1-2 parts of anti-aging agent RD, 40-60 parts of carbon black N330, 8-12 parts of white carbon black, 2-6 parts of Si-69, aromatic oil 3-6 parts, S 2-2.8 parts, accelerator Cz 1.2-1.8 parts, anti-scorch agent Pvi 0.5-0.8 parts; it improves the service life, has good appearance, low hardness, high tear resistance, high tensile strength , Excellent aging resistance and anti-ozone performance, low dynamic heat generation performance, can maintain excellent performance and appearance in a relatively harsh environment, its process is simple, and the ratio of raw materials is reasonable; but its performance can still be further improved