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Self-locking differential track steering drive system

A drive system, differential technology, applied in differential transmission, steering mechanism, non-deflectable wheel steering, etc., can solve the problems of low efficiency of pure hydraulic steering mechanism, inability to meet use requirements, difficult steering trajectory, etc. Achieve the effect of superior steering characteristics, simple structure and good steering performance

Inactive Publication Date: 2018-11-20
HUNAN AGRICULTURAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This mechanism has high wear resistance, compact size, no maintenance, and only one degree of freedom, which can improve the straight-line driving ability of tracked vehicles, but because of its complex structure, it is only used on high-power heavy-duty vehicles
3. The structure of the single differential steering mechanism is simple and wear-resistant, but the power required for steering will be very large, exceeding the power limit of conventional engines, and it will stall if you are not careful
The traditional mechanical steering mechanism has shortcomings such as large power loss during steering and difficult control of the steering trajectory. The pure hydraulic steering mechanism has shortcomings such as low efficiency and cannot meet its use requirements.

Method used

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  • Self-locking differential track steering drive system
  • Self-locking differential track steering drive system
  • Self-locking differential track steering drive system

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Embodiment Construction

[0020] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.

[0021] like Figure 1 to Figure 3 As shown, the self-locking differential crawler steering drive system of this embodiment includes a frame 100, a power input shaft 1 mounted on the frame 100, and a main shaft 2 mounted on the frame 100, and the two ends of the main shaft 2 are respectively A planetary gear output mechanism 3 is installed, and the power input shaft 1 is connected with the main shaft 2 through the first transmission mechanism 4. The planetary gear output mechanism 3 includes a sun gear 31, an inner ring gear 32, a planet carrier 33 and a planetary gear 34, wherein , the sun gear 31 is fixedly installed on the main shaft 2, the inner ring gear 32 is rotatably installed on the main shaft 2, the planetary gear 34 is installed between the sun gear 31 and the inner ring gear 32, the planetary carrier 33 is connected with th...

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Abstract

The invention discloses a self-locking differential type caterpillar band steering drive system. The self-locking differential type caterpillar band steering drive system comprises a rack, a power input shaft installed on the rack, and a spindle installed on the rack. The two ends of the spindle are each provided with a planetary gear type output mechanism. The power input shaft is connected with the spindle through a first transmission mechanism. Each planetary gear type output mechanism comprises a sun wheel, an inner gear ring, a planetary rack and a planetary wheel, wherein an output shaft is connected to the planetary rack. The caterpillar band steering drive system further comprises a self-locking steering drive device for driving the inner gear rings of the two planetary gear type output mechanisms to rotate synchronously and reversely. The self-locking differential type caterpillar band steering drive system has the advantages of being simple in structure, easy to manufacture, stable and reliable in operation, good in steering performance, high in maneuverability and flexibility, and the like.

Description

technical field [0001] The invention relates to the technical field of crawler-type traveling equipment, in particular to a self-locking differential crawler steering drive system. Background technique [0002] At present, the common crawler steering mechanism can be divided into three categories: pure mechanical drive steering mechanism, pure hydraulic drive steering mechanism and hydraulic-mechanical combined drive steering mechanism. [0003] Purely mechanically driven steering mechanisms mainly include steering clutch brake steering mechanisms, single-stage planetary gear steering mechanisms, single differential steering mechanisms, and double differential steering mechanisms. Among them, 1. Steering clutch brake type steering mechanism When the steering clutch on a certain side is partially or completely disengaged, it can cut off or reduce the force and torque transmitted by the driving wheel on this side to steer the vehicle. The degree of clutch disengagement determ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B62D11/10F16H37/08F16H48/10F16H48/29
CPCB62D11/10F16H37/082F16H48/10F16H48/29F16H2048/104
Inventor 李军政孙松林杨跃
Owner HUNAN AGRICULTURAL UNIV
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