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Steering system and engineering vehicle

A steering system and steering wheel technology, which is applied to vehicle components, steering mechanisms, steering rods, etc., can solve problems such as no feedback effect, insufficient maneuverability of engineering vehicles, and floating steering wheels

Active Publication Date: 2021-04-09
XCMG EXCAVATOR MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For engineering vehicles equipped with full hydraulic steering gear, the steering system is an open-loop system without feedback effect, and the adverse effect is not large when driving at low speeds, but it is easy to cause the steering wheel to flutter when driving at high speeds, so it is necessary to drive The crew constantly corrects the direction, making the maneuverability of the engineering vehicle insufficient

Method used

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  • Steering system and engineering vehicle

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Embodiment Construction

[0036] Various exemplary embodiments of the present disclosure will now be described in detail with reference to the accompanying drawings. The description of the exemplary embodiments is illustrative only, and in no way restricts the disclosure, its application or uses. The present disclosure can be implemented in many different forms and is not limited to the examples herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. It should be noted that relative arrangements of parts and steps, compositions of materials, numerical expressions and numerical values ​​set forth in these embodiments should be interpreted as illustrative only and not as limiting, unless specifically stated otherwise.

[0037] "First", "second" and similar words used in the present disclosure do not indicate any order, quantity or importance, but are only used to distinguish diffe...

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PUM

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Abstract

The invention relates to a steering system and an engineering vehicle. The steering system comprises a steering wheel, a full-hydraulic steering gear, a steering wheel assembly, a transmission assembly and a damping control assembly, and the full-hydraulic steering gear is provided with a right-turn working oil port and a left-turn working oil port and connected with the steering wheel so as to control the flow direction of hydraulic oil of the right-turn working oil port and the left-turn working oil port through steering of the steering wheel. The steering wheel assembly comprises a steering axle, a steering wheel and a steering oil cylinder for controlling the steering angle of the steering wheel, a rod cavity and a rodless cavity of the steering oil cylinder are communicated with the right-turn working oil port and the left-turn working oil port respectively, and the transmission assembly is connected with the steering wheel. The damping control assembly comprises a damping oil cylinder mechanically connected with the transmission assembly and at least one damping element controlling the damping characteristic of the damping oil cylinder. The damping control assembly is additionally arranged in the steering system, so that the operation comfort is improved, and the high-speed stability of the steering system is improved.

Description

technical field [0001] The present disclosure relates to the field of engineering machinery, in particular to a steering system and an engineering vehicle. Background technique [0002] In engineering vehicles, the steering system is usually connected between the steering wheel and the steering axle by a full hydraulic steering gear to assist the driver's steering operation. The full hydraulic steering gear is connected to the steering cylinder with a hydraulic hose, and the steering wheel controls the full hydraulic steering through the shaft. The steering angle of the switch is used to realize the power steering. [0003] Full hydraulic steering gear is widely used in engineering vehicles, but it is only suitable for low-speed occasions. For engineering vehicles equipped with full hydraulic steering gear, the steering system is an open-loop system without feedback effect, and the adverse effect is not large when driving at low speeds, but it is easy to cause the steering ...

Claims

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Application Information

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IPC IPC(8): B62D5/06B62D5/08B62D7/22B62D15/02B62D3/12B62D6/00B62D101/00B62D137/00
CPCB62D5/062B62D5/08B62D7/228B62D15/022B62D3/12B62D6/001
Inventor 殷铈钞李耀张小江王毅刘刚强张东杰潘志洋
Owner XCMG EXCAVATOR MACHINERY