Follow-up steering control system for multi-axle automobile crane, and multi-axle automobile crane
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United States of America Patent
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Mar 15, 2016
Grant Date -
Aug 27, 2015
app pub date -
May 7, 2015
filing date -
Nov 27, 2012
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Abstract
Disclosed are a follow-up steering control system for a multi-axle automobile crane and the multi-axle automobile crane. In a steering state of the multi-axle automobile crane, an output oil pressure of a first oil pressure output port is greater or less than that of a second oil pressure output port; a piston rod of a left-turning hydraulic cylinder is lengthened and a piston rod of a right-turning hydraulic cylinder is shortened, or the piston rod of the left-turning hydraulic cylinder is shortened and the piston rod of the right-turning hydraulic cylinder is lengthened; and a first knuckle arm and a second knuckle arm are driven to make a rear left steering wheel and a rear right steering wheel turn left or right.
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