Title:
TRANSPORT VEHICLE
Document Type and Number:
Japanese Patent JP2019048522
Kind Code:
A
Abstract:
To improve workability of a traction work of a failed vehicle using a tractor.SOLUTION: A dump truck 1 includes a vehicle body 2 having a fron wheel 3 and a rear wheel 4, an engine 7 mounted on the vehicle body 2, a hydraulic pump 10 driven by the engine 7, a cargo bed 5 arranged on the vehicle body 2 so as to be raised and lowered, a hydraulic actuator which is mounted on the vehicle body 2 and is operated by pressure oil supplied from the hydraulic pump 10, an accumulator 43 which accumulates the pressure oil from the hydraulic pump 10, and a controller 48 which performs bleed-down control for emitting the pressure oil accumulated in the accumulator 43 to a tank 11 when a certain time passes after the engine 7 stops. A bleed-down control inhibiting switch 50 inhibits the bleed-down control by the controller 48 when the engine 7 stops.SELECTED DRAWING: Figure 2
Inventors:
SHIMIZU KATSUHIKO
NAKADE YOHEI
NAKADE YOHEI
Application Number:
JP2017173094A
Publication Date:
March 28, 2019
Filing Date:
September 08, 2017
Export Citation:
Assignee:
HITACHI CONSTRUCTION MACHINERY
International Classes:
B60P1/16; B60T13/22; B62D5/065; B62D5/09; B62D5/30; F16D65/18
Attorney, Agent or Firm:
Hirowa Patent Office