Follow-up steering control system for multi-axle automobile crane, and multi-axle automobile crane
US9283986B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 7, 2015 |
| Grant date | Mar 15, 2016 |
| Priority date | — |
| Expiry date | May 7, 2035 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66C23/36
- WIPO fieldTransport
- WIPO sectorMechanical engineering
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.