Stepless steering system for tracked vehicles
A steering system, a stepless technology, applied in the direction of non-deflectable wheel steering, steering mechanism, vehicle components, etc., can solve the problems of high manufacturing and use costs and use restrictions of tracked vehicles, and achieve compact structure, low manufacturing cost, and structure. simple effect
Inactive Publication Date: 2012-07-04
HENAN UNIV OF SCI & TECH
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Problems solved by technology
However, the diverter mechanism and reverse mechanism in the hydromechanical differential steering system are hydraulically controlled, requiring high-precision, high-power hydraulic components, which makes the tracked vehicles equipped with this steering system costly to manufacture and use. Currently, domestically produced tracked vehicles The use is also subject to certain restrictions
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[0016] An implementation example of a continuously variable steering system for tracked vehicles Figure 1~3 Shown: It includes a splitter mechanism, a straight-drive mechanism, a reverse mechanism and a left and right converging planetary row. The left and right converging planetary rows are composed of corresponding planetary gear transmission mechanisms. The splitter mechanism includes a split planetary row 2, which consists of a planetary gear transmission mechanism with three elements: a split sun gear 2a, a split ring gear 2b, and a split planet carrier 2c. The split planet carrier 2c is used for The power input element connected with the corresponding engine 1 (or other power source), the split planet carrier 2c constitutes the input end of the split mechanism, the split sun gear 2a and the split ring gear 2b are respectively connected with the reverse mechanism 4 and the straight-drive mechanism 3 The power output elements that are connected in transmission and can be s...
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The invention relates to a stepless steering system for tracked vehicles. The system comprises a bypass mechanism and a reversing mechanism, wherein the reversing mechanism is rotatablely connected to an output end of the bypass mechanism, and the output end of the reversing mechanism is rotatablely connected with left and right planetary bus-bars; the reversing mechanism comprises a sliding gear shaft, a left dual gear shaft and a right dual gear shaft which are parallelly arranged; the left dual gear shaft and the right dual gear shaft are respectively fixedly equipped with a left dual gear and a right dual gear which are rotatablely connected with one corresponding input ends of the left and right planetary bus-bars, a gear in the left dual gear carries out meshing transmission with a gear in the right dual gear, the sliding gear shaft is slipperily equipped with a sliding gear which can be selectively rotatablely connected with the other gears in the left dual gear and the right dual gear as required, and the sliding gear is rotatablely connected with one output end of the bypass mechanism. Through the sliding-gear type reversing mechanism, the stepless steering system provided by the invention reduces the processing difficulty and manufacturing cost of the existing reversing mechanism.
Description
Technical field [0001] The invention relates to a mechanical stepless steering system for tracked vehicles. Background technique [0002] The development of the steering system of tracked vehicles has roughly experienced steering clutches and hydraulic-mechanical differential steering systems. [0003] The steering clutch is a multi-disc friction clutch, which transmits torque by the friction of the friction surface. When the steering clutch on one side is separated, the torque transmitted by the drive wheel on that side can be reduced or cut off, so that the crawler vehicle can steer. Because of its simple structure and convenient manufacturing, it has been widely used in early small and medium-sized tracked vehicles. However, due to its low production efficiency and high energy consumption, as the power of crawler vehicles continues to increase, the application of steering clutches is subject to certain restrictions. [0004] The hydraulic-mechanical differential steering system,...
Claims
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IPC IPC(8): B62D11/00
Inventor 曹付义周志立徐立友曹青梅赵伟赵红杰
Owner HENAN UNIV OF SCI & TECH