Steering system and construction machinery

A steering system and steering arm technology, applied to fluid steering mechanisms, vehicle components, brakes, etc., can solve problems such as cumbersome processes and difficulty in ensuring accuracy, and achieve the effects of reducing response time, improving convenience, and reducing steering angle deviation.

Active Publication Date: 2021-11-23
XUZHOU HEAVY MASCH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the process of manual alignment is cumbersome and difficult to ensure accuracy

Method used

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  • Steering system and construction machinery
  • Steering system and construction machinery
  • Steering system and construction machinery

Examples

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Embodiment Construction

[0080] 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 embodiments described here. 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.

[0081] "First", "second" and similar words used in the present disclosure do not indicate any order, quantity or importance, but are only used to distin...

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Abstract

The present disclosure relates to a steering system, comprising: a first steering axle, which is a double-opposed cylinder steering axle, including a first oil port and a second oil port; a second steering axle, including a fifth oil port and a sixth oil port The oil port; the steering gear is connected to the first oil port and the fifth oil port through the first steering oil port, and is connected to the second oil port and the sixth oil port through the second steering oil port, and is configured to control the first oil port according to the steering command The hydraulic oil flow direction of a steering oil port and a second steering oil port; and a first hydraulic valve group, which is arranged in the flow path of the steering gear to the first steering axle and the second steering axle, and is configured to select according to the mode Instructing to selectively connect the first steering oil port to the first oil port and / or the fifth oil port, and to selectively connect the second steering oil port to the second oil port and / or the sixth oil port. The embodiments of the present disclosure can improve the convenience of steering system operation, reduce the response time of the steering system under control signals, and reduce the steering angle deviation of the steering system.

Description

technical field [0001] The present disclosure relates to the field of construction machinery, in particular to a steering system and construction machinery. Background technique [0002] The steering system of construction machinery usually adopts electro-hydraulic proportional brake steering system: the front axle wheels are controlled by the driver through the steering wheel, and the rotation angle of each wheel on the rear axle is controlled according to the rotation angle of a certain wheel on the front axle and the steering mode selected by the driver. The programs set in the controller output different electrical signals, and then control the opening of the electro-hydraulic proportional valve and the flow of hydraulic oil, so that the steering cylinder can push the wheels of the rear axle to rotate according to the driver's operation intention. Among them, the rotation angle of each wheel on the front axle is detected by sensors installed on the axle. [0003] In the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B62D5/06B62D5/08B62D5/10B60T13/12
CPCB60T13/12B62D5/06B62D5/08B62D5/10
Inventor 李增彬张鸿生郭志臣张昊
Owner XUZHOU HEAVY MASCH CO LTD
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