{
  "$type": "site.standard.document",
  "description": "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…",
  "path": "/patents/1320064",
  "publishedAt": "2022-06-16T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60T13/14",
    "Hitachi Construction Machinery Co., Ltd."
  ],
  "textContent": "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 S/step S) in the case of determining that the dump truck is stopped (step S: Yes), a vessel is in a fallen position (step S: YES), and a loading operation onto the vessel is completed (step S: Yes/step S: Yes).",
  "title": "Dump Truck"
}