A dual power flow crawler vehicle drive and steering system

A vehicle drive and steering system technology, applied in the direction of fluid steering mechanism, power steering mechanism, automatic steering control components, etc., can solve the problems of poor steering stability, high price, complex structure, etc., and achieve long life, low price, and high power. The effect of density

Active Publication Date: 2022-02-22
BEIJING INSTITUTE OF TECHNOLOGYGY
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Problems solved by technology

However, it has disadvantages such as complicated structure, poor steering stability, high price and short service life.

Method used

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  • A dual power flow crawler vehicle drive and steering system

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Embodiment Construction

[0026] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0027] In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0028] refer to figure 1 , a dual power flow crawler vehicle drive and steering system of the present invention, including a control system, a power system, a linear drive system, a steering drive system and a gea...

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Abstract

The invention discloses a dual power flow crawler vehicle drive and steering system, including a control system, a power system, a linear drive system, a steering drive system and a gear pair system; the power system provides power for the linear drive system and the steering drive system, and the control system passes through Control the linear drive system and then control the gear pair system to realize the linear drive of the vehicle. The control system controls the steering drive system and then controls the gear pair system to realize the steering drive of the vehicle; the linear drive system includes the first hydraulic transformer, one-way valve group I and two-way quantitative pump / Motor, the steering drive system includes the second hydraulic transformer, one-way valve group II and two-way quantitative motor. The invention can realize the dual stepless speed regulation function of the driving and steering system of the crawler vehicle, and has the advantages of compact structure and braking energy recovery.

Description

technical field [0001] The invention relates to the technical field of crawler vehicles, in particular to a driving and steering system of a crawler vehicle with dual power flows. Background technique [0002] At present, the tracked vehicle steering system has roughly gone through the stages of steering clutch-brake, mechanical dual power flow steering system and hydraulic mechanical dual power flow differential steering system. The clutch-brake needs to rely on the friction between the friction elements to realize it, it is difficult to obtain an accurate and stable turning radius, and there are disadvantages such as low transmission efficiency, poor working reliability, low service life, and limited number of turning radii. The steering performance of the mechanical dual power flow steering system is greatly improved compared with the single power flow steering mechanism, but its steering radius is still graded; the overall structure of the steering mechanism is scattered...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B62D11/20B62D5/06B62D5/08B62D6/00B62D137/00
CPCB62D11/20B62D5/063B62D5/08B62D6/001
Inventor 吴维韦春辉苑士华李鑫勇
Owner BEIJING INSTITUTE OF TECHNOLOGYGY
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