Title:
ダンプトラック
Document Type and Number:
Japanese Patent JP7085696
Kind Code:
B2
Abstract:
Provided is a dump truck capable of performing an actuation test of an emergency brake system at an appropriate timing. The dump truck comprises: front wheel and rear wheel emergency brake systems, each system including an accumulator that accumulates hydraulic oil supplied from a hydraulic pump, a brake device that is actuated by the hydraulic oil supplied from the accumulator, and a solenoid valve that opens and closes a flow path of the hydraulic oil extending from the accumulator to the brake device; and a controller configured to execute front test processing and rear test processing alternately (step S16/step S18) in the case of determining that the dump truck is stopped (step S11: Yes), a vessel is in a fallen position (step S12: YES), and a loading operation onto the vessel is completed (step S15: Yes/step S17: Yes).
Inventors:
Fukushi Sota
Shinjiro Saito
Dai Tezuka
Shinjiro Saito
Dai Tezuka
Application Number:
JP2021548833A
Publication Date:
June 16, 2022
Filing Date:
September 15, 2020
Export Citation:
Assignee:
Hitachi Construction Machinery Co., Ltd.
International Classes:
B60P1/04; B60T17/22; B60T13/14
Domestic Patent References:
| JP2000219129A | ||||
| JP2007069794A | ||||
| JP2019026033A | ||||
| JP2001260858A | ||||
| JP10024826A | ||||
| JP60143066U |
Attorney, Agent or Firm:
Patent Attorney Corporation Takewa International Patent Office