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Structural characteristics of steel crawler chassis


The steel crawler chassis is composed of hydraulic walking reducer (walking motor assembly), steel (rubber) crawler, chain rail, driving wheel, guide wheel, roller, sprocket, tensioning mechanism, etc. The steel crawler chassis has the characteristics of compact structure, reliable performance, durability, convenient operation, simple maintenance, low energy consumption, and good economy. It is suitable for anchor drilling rigs, water well drilling rigs, rotary jet drilling rigs, down-the-hole drilling rigs, tunnel drilling rigs, Horizontal directional drilling rigs, excavators, slag discharge machines, roadheaders, aerial work platforms, agricultural machinery and other fields.

  Structural features of steel crawler chassis:

1. Support the weight of the host, with front and rear turning walking function;

2. The steel track is produced by Japanese advanced technology, with strong carrying capacity, high traction, low noise and good driving performance. Rubber track shoes can be installed to avoid damage to the asphalt pavement;

3. Free choice of single-speed and two-speed walking motor assembly, large output torque, fast walking speed;

4. The chassis steel structure has high strength and good rigidity, and is processed by laser cutting and CNC bending;

5. The roller and guide wheel adopt deep groove ball bearings, which are lubricated with butter once, which avoids maintenance and refueling during use;


钢制履带底盘


6. The shaft end double sealing structure, ensure that the lubricating oil seal will not leak, can prevent muddy water into the wheel cavity;

7. Roller, guide wheel, driving wheel gear teeth are made of alloy steel quenching, good wear resistance, long service life;

8. The elastic micro tension mechanism adopts screw adjustment, which has high reliability.

The steel crawler chassis has large traction force and is suitable for heavy-duty operations (such as ploughing and raking, etc.). The grounding ratio is small, and the compaction and damage to farmland are slight. It is especially suitable for low-lying and wetland operations. In addition to field operations, it is also used as a bulldozer in farmland capital construction and small water conservancy projects, with a high degree of comprehensive utilization. The main disadvantages of the steel crawler chassis are that the walking devices on wet sandy soil such as rollers, guide wheels, support wheels, and track shoes (commonly known as three wheels and one plate) wear quickly, maintain high costs, and run slowly. With the development of the highway network, the transfer of steel crawler chassis is becoming more and more difficult and inconvenient to use.

Compared with the steel crawler chassis, the rubber crawler chassis adopts a steering wheel-operated differential steering mechanism, which has high controllability, flexibility, less effort in turning, large crawler grounding area, good damping effect, and comfortable ride. Due to the low grounding ratio, it is especially suitable for low wetland operations, which can greatly improve the operation speed and road transfer adaptability. The rubber track has long service life, low maintenance cost and low transfer transportation cost.Steel crawler chassisLand reclamation, transformation of low-yield fields and sandy loam areas show great advantages.

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