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Research Progress of Rubber Track Chassis

The rubber track chassis overcomes the respective shortcomings of the wheeled chassis and the metal track chassis. It has low ground pressure, strong off-road performance and low noise. It has become the preferred power chassis of agricultural machinery in the vast hilly areas of our country, and its application range is becoming wider and wider.

China is a relatively large agricultural country lacking plains, with scattered arable land widely distributed in mountainous, plateau and hilly areas. Farm machines designed for plain areas do not adapt well to these terrains. There is an urgent need for a power chassis suitable for agricultural machinery in hilly and mountainous areas.

  rubber crawler chassisThe difference with the metal track chassis is that the rubber track is used instead of the metal track, and the structure of other aspects is not much different. The structural forms that can be taken can be divided into four structures: integral trolley frame type, balanced trolley frame type, independent trolley frame type and triangular crawler chassis. Because the driving device is located at the top of the triangle, the height of the chassis can meet the ground clearance requirements of most crops when they are harvested. It has good passing performance and excellent obstacle crossing performance, and is widely used in agricultural tracked vehicles.

The hydraulic-mechanical joint drive steering mechanism divides the output power of the engine on the input shaft of the multi-speed gearbox according to the principle of steering to hydraulic pressure and driving to machinery. It combines the high efficiency of mechanical transmission and the characteristics of hydraulic transmission to realize continuously variable speed. It is widely used in agricultural crawler tractors.


Advantages of rubber track chassis

 rubber crawler chassisIt integrates the advantages of wheeled chassis and metal crawler chassis, mainly reflected in:

(1) The grounding ratio is small and the passability is good, which can ensure the normal operation of the machinery in the wetland environment and expand the operating area of the machinery. At the same time, the degree of compaction of the soil is small, reducing the degree of damage to plant roots.

(2) The degree of damage to the ground is significantly lower than that of the metal crawler chassis. The rubber crawler chassis will not cause ground damage when driving on the road, so there is no need for special transportation tools during the transition process, which simplifies the transportation mode of the crawler chassis.

(3) The rubber track can absorb part of the vibration, so the vibration and noise generated by the track chassis are relatively small, which can extend the service life of the machine and reduce the fatigue of the driver.

(4) The driving speed is higher than that of the metal crawler chassis. Generally, the speed of core iron rubber tracked vehicles can reach 15~20 km/h, while the speed of friction rubber tracked vehicles can reach 40~50 km/h.

(5) Components such as track shoes and track pins are omitted, which can not only reduce the weight of the track, simplify the track replacement process, but also reduce the power loss caused by the internal friction of the track.

(6) Compared with wheeled chassis and metal crawler chassis,rubber crawler chassisThe contact area with the ground is larger, which is conducive to obtaining greater traction.

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