PUMP TRUCK BOOM CONTROL METHOD, PUMP TRUCK BOOM CONTROL SYSTEM, AND PUMP TRUCK - ZOOMLION HEAVY INDUSTRY SCIENCE AND TECH CO LTD

Title:

PUMP TRUCK BOOM CONTROL METHOD, PUMP TRUCK BOOM CONTROL SYSTEM, AND PUMP TRUCK

Document Type and Number:

WIPO Patent Application WO/2020/258381

Kind Code:

A1

Abstract:

A pump truck boom control method, a pump truck boom control system, and a pump truck. The pump truck boom control method comprises: detecting a working condition of a boom, the boom being pre-divided into: type I booms close to a large boom end and type II booms close to a small boom end; and in the case that the working condition of the boom is a boom stretching working condition before pump truck construction or a boom retracting working condition after pump truck construction, controlling all the type I booms to act at respective preset movement speeds. According to the method, acceleration control to the movement speeds of all type I booms can be achieved in the case of a boom stretching working condition before pump truck construction or a boom retracting working condition after pump truck construction, without a boom pose detection sensor.

Inventors:

WU LIANG (CN)
YIN JUN (CN)
CHEN ZE (CN)
WAN LIANG (CN)
FU XINYU (CN)

Application Number:

PCT/CN2019/095546

Publication Date:

December 30, 2020

Filing Date:

July 11, 2019

Export Citation:

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Assignee:

ZOOMLION HEAVY INDUSTRY SCIENCE AND TECH CO LTD (CN)

International Classes:

E04G21/04

Foreign References:

CN108340373A	2018-07-31
CN103031958A	2013-04-10
CN103558875A	2014-02-05
CN104453238A	2015-03-25
JP2013091931A	2013-05-16
CN102768547A	2012-11-07
CN107849856A	2018-03-27
CN106978903A	2017-07-25

Other References: