The concrete structure of the vehicle speed reducer is easily damaged by impact. The mechanical properties of concrete are characterized by its great difference in compressive and tensile strengths. In the braking process, the reducer has a very large impact on the foundation. Especially for the high part, it is sometimes subjected to bending stress, thus It is relatively weak. Simplify the basic shape, use the regular large plane, and remove the higher part. Replace the raised part of the original sleeper board with a welded steel structure pedestal, and use the pedestal to connect the crank brackets on each side. Combine the sleeper board with the integrated ballast bed and complete one-time pouring. Each block is 2.4m in length, and the whole piece is formed by splicing. All anchor bolts are made of steel threaded nylon sleeves (independent patented technology). The production process adopts an integral steel mold process in the form of a high-speed rail track plate, which has high precision, good appearance and long service life. After adopting the new reducer base, all the mechanical parts except the brake track can be assembled in the factory. After the construction site, the wide pillow units will be hoisted on the line and aligned according to the coordinates and the center. , Wearing the basic rails and braking the rails can be opened, greatly reducing the workload of pre-installation and shortening the valuable construction time. The concrete foundation adopts high-speed railway track plate technology, with high dimensional and shape accuracy and good appearance quality. The welded steel structure pedestal has high strength, good integrity, and greatly improves bearing, fault tolerance and impact resistance. Maintainable performance is good. If worn or accidentally damaged, mechanical parts are easier to repair and replace. The normal service life of the reducer wide pillow is expected to reach 2 times the original.
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