Title:
DUMP TRUCK
Document Type and Number:
WIPO Patent Application WO/2021/060072
Kind Code:
A1
Abstract:
Provided is a dump truck capable of implementing an actuation test of an emergency braking system at appropriate timing. A dump truck is provided with: an emergency braking system for front wheels and rear wheels, which includes an accumulator for accumulating hydraulic oil supplied from a hydraulic pump, a braking device that is actuated by the hydraulic oil supplied from the accumulator, and a solenoid valve for opening and closing a passage of the hydraulic oil from the accumulator to the braking device; and a control device that performs front test processing and rear test processing alternately (S16/S18) when determined that the dump truck is stopped (S11: Yes), a truck bed is in a laid down position (S12: Yes), and loading on the truck bed has been completed (S15: Yes/S17: Yes).
Inventors:
FUKUSHI MASAYUKI (JP)
SAITO SHINJIRO (JP)
TETSUKA DAIKI (JP)
SAITO SHINJIRO (JP)
TETSUKA DAIKI (JP)
Application Number:
PCT/JP2020/034911
Publication Date:
April 01, 2021
Filing Date:
September 15, 2020
Export Citation:
Assignee:
HITACHI CONSTRUCTION MACH CO (JP)
International Classes:
B60P1/04; B60T13/14; B60T17/22
Foreign References:
| JP2000219129A | 2000-08-08 | |||
| JP2007069794A | 2007-03-22 | |||
| JP2019026033A | 2019-02-21 | |||
| JP2001260858A | 2001-09-26 | |||
| JPH1024826A | 1998-01-27 | |||
| JPS60143066U | 1985-09-21 | |||
| JPS5838255B2 | 1983-08-22 |
Attorney, Agent or Firm:
THE PATENT BODY CORPORATE TAKEWA INTERNATIONAL PATENT OFFICE (JP)
Download PDF: