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Tracked vehicle steering mechanism

A control mechanism and steering mechanism technology, which is applied to steering mechanism, non-deflectable wheel steering, steering control mounted on the vehicle, etc. Changes in the pressing force of the steering clutch, etc., can improve production efficiency, save auxiliary operation time, and improve driving comfort.

Active Publication Date: 2019-05-10
FIRST TRACTOR
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, a small stroke of the steering rod will cause a large change in the pressure force of the slow-speed side steering clutch, and a corresponding large change in the drive force of the low-speed side track
Therefore, the precise control of the steering radius under the condition of variable steering resistance cannot be solved by the steering clutch lever

Method used

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  • Tracked vehicle steering mechanism
  • Tracked vehicle steering mechanism
  • Tracked vehicle steering mechanism

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Embodiment Construction

[0015] The present invention will be further described below in conjunction with accompanying drawing.

[0016] Such as figure 1 As shown, the steering mechanism includes: a steering mechanism 1, a planetary mechanism transmission device 2, a cam disc and a hydraulic pilot valve device 3 and consists of three parts.

[0017] Such as figure 2 As shown, the steering mechanism 1 includes: steering wheel 4, height adjustment knob 5, steering column 6, steering support 7, left lug 8, connecting shaft 9, connecting spline sleeve 10, gas spring 11, gas spring ejector rod 12 , the first nut 13, the support block 14, the gas spring contact 15, the spring pin 16, the handle pole 17, the screw 18, the adjustment handle 19, the second connecting bolt 20, the right lug 21. Among them: the steering column 6, the steering support 7, the left lug 8 and the right lug 21 are fixedly connected; the connecting spline sleeve 10 is sleeved on the connecting shaft 9; the handle rod 17 is connecte...

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Abstract

A tracked vehicle steering control mechanism comprises a steering mechanism, a planetary mechanism driving device and a cam disc and hydraulic pilot valve device. The steering mechanism is connected with the planetary mechanism driving device through three parts, a connecting splined hub is adopted for the first position, a hinge pin is adopted for the second position, and at the third position, connection is performed by using bolts, supporting blocks and connecting holes of left and right supports. The planetary mechanism driving device is connected with the cam disc and hydraulic pilot valve device at two positions, at the first position, axial positioning is performed through a driving shaft spacer bush, locking is achieved by using fixing gaskets and third bolts, and radial positioning is performed through a third flat key; at the second position, the planetary mechanism driving device is fixed to a base through fourth bolts. Under the condition of variable steering resistance during running of a tracked vehicle, the control problem of its steering radius is solved, the driving safety is improved, the deviation rectifying capability of its field operation is improved, the auxiliary operation time required by the mechanism on the edge of a field is saved, and the production efficiency of the field operation is effectively improved.

Description

technical field [0001] The invention belongs to the field of crawler vehicles and relates to a steering mechanism of a crawler vehicle. Background technique [0002] At present, the steering of traditional crawler tractors generally adopts the steering clutch structure, and there are two main methods of operation: the first one, the steering rod is fully opened, the steering clutch is completely disengaged, and the slow-speed side track is braked. The radius is 0.5 times the gauge; the second type, the brakes on both sides are completely released, and the steering clutch on the slow side is partially or completely disengaged. The side crawler resistance moment (the driving moment is equal to the resistance moment of both sides of the crawler belt and the direction is opposite) is automatically adapted, and its value is affected by ground conditions, main engine structure quality, geometric parameters and other factors. The same steering rod position, the turning radius is di...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B62D11/00B62D1/04B62D3/02B62D3/14
CPCB62D1/04B62D3/02B62D3/14B62D11/005B62D11/006
Inventor 史金钟张曙彩王志超张举鑫师宏亮葛志伟李文娟王艳萍赵军黄维靖王义平李世丹杨柯宋江鹏
Owner FIRST TRACTOR
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