Emergency driving system of ultra-large electric transmission wheel type loader and control method

A wheel loader, super-large electric technology, applied in the direction of earth mover/shovel, construction, etc., can solve the problems of inability to quickly travel to the maintenance location, inability to meet emergency drive requirements, and reduce the safety of on-site operations. , to achieve the effect of improving energy utilization rate and vehicle emergency drive response timeliness, reducing configuration, reducing pressure and power parameter configuration

Active Publication Date: 2020-11-03
JIANGSU ADVANCED CONSTR MASCH INNOVATION CENT LTD +1
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AI Technical Summary

Problems solved by technology

The two emergency drive systems can only complete the steering operation of the whole vehicle in situ when the engine fails, and cannot quickly drive to the maintenance site, which reduces the safety of on-site operations; Engine, transfer case, emergency steering pump and other components, the existing patented technology cannot meet the emergency drive requirements under the failure of newly added power transmission components, reducing the reliability of the whole vehicle

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  • Emergency driving system of ultra-large electric transmission wheel type loader and control method
  • Emergency driving system of ultra-large electric transmission wheel type loader and control method
  • Emergency driving system of ultra-large electric transmission wheel type loader and control method

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Embodiment Construction

[0056] The present invention will be further described below in conjunction with the accompanying drawings. The following examples are only used to illustrate the technical solution of the present invention more clearly, but not to limit the protection scope of the present invention.

[0057] In the description of the patent of the present invention, it should be noted that the terms "comprising", "comprising" or any other variant thereof are intended to cover a non-exclusive inclusion, except for those elements listed, and may also include elements not explicitly listed. other elements out.

[0058] In the description of the patent of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" The orientation or positional relationship indicated by etc. is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the patent of ...

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Abstract

The invention discloses an emergency driving system of an ultra-large electric transmission wheel type loader. The emergency driving system comprises a power system, a walking system, a steering system, an emergency steering system and a whole vehicle control system; and when a vehicle breaks down, emergency driving can be quickly started, so that the vehicle runs to a designated place. An emergency treatment strategy is increased. In addition, the invention further discloses a control method of the emergency driving system of the ultra-large electric transmission wheel type loader, differentkinds of emergency driving control are carried out according to different fault types and faults in different types of the whole vehicle, and the running stability and safety of the whole vehicle areimproved.

Description

technical field [0001] The invention relates to an emergency drive system for a super-large electric transmission wheel loader, and also relates to a control method for the emergency drive system, which belongs to the technical field of new energy hybrid power. Background technique [0002] In order to meet the requirements of continuous improvement of construction operation efficiency, loaders are gradually developing towards large-scale. These super-large-tonnage loaders have large volume, high quality, and large power matching requirements. The core structure and transmission components such as gearboxes and drive axles are selected. Type matching is difficult, and the price is high. At the same time, the increasing demand for transmission torque makes the design and manufacture of hydraulic systems more and more difficult. Therefore, the electric transmission scheme is the mainstream technical route for the research and development of ultra-large loaders at present. [...

Claims

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Application Information

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IPC IPC(8): E02F9/20
CPCE02F9/20E02F9/2025
Inventor 姚亚敏邵杏国王刚李怀义
Owner JIANGSU ADVANCED CONSTR MASCH INNOVATION CENT LTD
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