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Excavator bucket control system and method and excavator

A technology of a control system and a hydraulic control system, applied in the field of excavator and excavator bucket control system, can solve the problems of low excavator operation efficiency and slow bucket operation.

Inactive Publication Date: 2020-08-14
SHANGHAI SANY HEAVY IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the current bucket hydraulic control system cannot adaptively adjust the working state of the bucket cylinder according to the load on the bucket during operation, and the operation of the bucket is slow, resulting in low operating efficiency of the excavator

Method used

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  • Excavator bucket control system and method and excavator
  • Excavator bucket control system and method and excavator
  • Excavator bucket control system and method and excavator

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Embodiment Construction

[0029] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. The components of the embodiments of the invention generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations.

[0030] Accordingly, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art wi...

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Abstract

The invention provides an excavator bucket control system and method and an excavator, and belongs to the technical field of engineering machinery. The excavator bucket control system comprises a controller, a first pressure sensor and a bucket hydraulic control system, wherein the bucket hydraulic control system comprises a bucket oil cylinder connected with a control oil way, a rodless cavity ofthe bucket oil cylinder is connected with a first access end of the control oil way, a rod cavity of the bucket oil cylinder is connected with a second access end of the control oil way through a three-way electromagnetic valve, the three-way electromagnetic valve further communicates with the rodless cavity of the bucket oil cylinder and used for controlling the rod cavity to communicate with the rodless cavity or the rod cavity to communicate with the second access end, the first pressure sensor is arranged in the bucket oil cylinder and is used for detecting the pressure in the bucket oilcylinder, and the controller is connected with the three-way electromagnetic valve and the first pressure sensor and is used for controlling the three-way electromagnetic valve according to the detection value of the first pressure sensor. According to the excavator bucket control system, the working efficiency of the excavator can be improved according to the size of the load borne by the bucketduring excavation.

Description

technical field [0001] The invention relates to the technical field of engineering machinery, in particular to an excavator bucket control system and method and an excavator. Background technique [0002] With the continuous progress of society, infrastructure has been vigorously developed. In modern engineering construction, such as housing construction, water conservancy construction, farmland development, port construction, road and bridge construction, etc., construction machinery is widely used as an important manual replacement operation equipment. Among them, excavators are more and more used in our country as construction machinery with flexible application. [0003] Usually the excavator consists of a working platform and a walking system. The work platform is usually provided with a mechanical arm for connecting with a corresponding bucket for excavation work. The movement of the bucket of the general excavator on the mechanical arm is controlled and driven by t...

Claims

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Application Information

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IPC IPC(8): E02F9/22E02F3/04
CPCE02F3/04E02F9/22E02F9/2264E02F9/2267
Inventor 王哲伍荣伟吴金河
Owner SHANGHAI SANY HEAVY IND
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