To suppress environmental pollution at a work site.SOLUTION: A transportation vehicle includes: a dump body; a vehicle body that supports the dump body; a travel device that has drive wheels and supports the vehicle body; a trolley power reception device that is supplied with power from a trolley wire; a bidirectional DC/DC converter; a storage battery that is charged with power supplied from the trolley wire via the bidirectional DC/DC converter; an electric motor that generates driving force for rotating the drive wheels; and a switch mechanism that switches between a first state where power is supplied from the trolley wire to the electric motor via the bidirectional DC/DC converter and a second state where power is supplied from the storage battery to the electric motor via the bidirectional DC/DC converter.SELECTED DRAWING: Figure 3
【課題】作業現場の環境の汚染を抑制すること。【解決手段】運搬車両は、ダンプボディと、ダンプボディを支持する車体と、駆動輪を有し、車体を支持する走行装置と、トロリ線から給電されるトロリ受電装置と、双方向DC/DCコンバータと、トロリ線から双方向DC/DCコンバータを介して供給される電力により充電される蓄電器と、駆動輪を回転させる駆動力を発生する電動モータと、トロリ線から双方向DC/DCコンバータを介して電動モータに電力が供給される第1状態と、蓄電器から双方向DC/DCコンバータを介して電動モータに電力が供給される第2状態とを切り換えるスイッチ機構と、を備える。【選択図】図3
TRANSPORTATION VEHICLE AND METHOD FOR CONTROLLING TRANSPORTATION VEHICLE
運搬車両及び運搬車両の制御方法
2023-07-10
Patent
Electronic Resource
Japanese
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / B60M Speiseleitungen oder Vorrichtungen am Gleis für elektrisch angetriebene Fahrzeuge , POWER SUPPLY LINES, OR DEVICES ALONG RAILS, FOR ELECTRICALLY-PROPELLED VEHICLES / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung |
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