Chongqing Dajiang Industrial Co., Ltd. "Mike" axle products follow the German Mercedes-Benz technology, after 30 years of integration with the needs of the international automotive market, continue to carry out secondary development and new design, axle technology is more mature and complete, product reliability is higher, products The pedigree has become clearer. At present, there are four major market segments, including crane bridges, dump truck axles, mining axles, wheeled infantry fighting bridges and other types of special axles, with more than 1,000 product varieties. Axle products have been developed from the past 7-ton drive front axle to the 13-ton drive front axle, the front axle has been developed from 7 tons to 20 tons, and the rear axle single bridge load has been developed from 13-ton bridge to 32 tons. The company has expanded its product platform and compared the same type of axles at home and abroad to the various market environments in the domestic engineering vehicle field. The technology level of heavy axles is higher than that of the industry, driving the technology of steering axles to lead the domestic market, and mining axle products are leading the domestic market.
The company began to develop wide-body mining dump trucks in 2008. It has independently developed and designed and produced 13-ton front axles, 16-ton front axles, 25-tonne rear axles, 32-tonne rear axles and other 60 mines, and 70 Mine and other series of new large-tonnage heavy-duty car bridges. This series of bridges is based on the popular technology of wheel-side deceleration and main deceleration two-stage reducer axles at home and abroad. It is based on the poor road conditions, large gradients, and heavy load conditions in the mining area. It is specially designed for mining and working conditions. The special heavy-duty axles with high speed ratio, high torque, high carrying capacity, low cost, and high performance-to-price ratio developed under conditions of use.
The main innovations of the 60, 70 series dump truck axles are the design of the bearing structure. The advantages are: First, the structure is compact, the speed ratio is wide, the total speed ratio is 10.24 to 16.56, and the output torque is large; Second, the unique integral cast steel axle housing has strong bearing capacity, and the single bridge can bear 30 to 35 tons. Thirdly, the main reducer adopts a single-stage spiral bevel gear structure, with a large primary reduction ratio and greater torque output.
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