TRANSPORT VEHICLE EQUIPPED WITH CURRENT COLLECTOR

• US 20140027229A1
• Filed: 05/09/2012
• Published: 01/30/2014
• Est. Priority Date: 05/10/2011
• Status: Active Grant

• Current Assignee: Komatsu Ltd.
• Original Assignee: Komatsu Ltd.
• Inventors: Tojima, Masanori, Yamashita, Kouichi, Sudou, Tsugio, Takeda, Koji
• Granted Patent: US 9,315,107 B2
• Time in Patent Office: Days
• US Class Current: 191/64
• CPC Class Codes: B60L 2200/36 Vehicles designed to transport cargo, e.g. trucks
• CPC Class Codes: B60L 2220/44 Wheel Hub motors, i.e. integrated in the wheel hub
• CPC Class Codes: B60L 2240/70 Interactions with external data bases, e.g. traffic centres
• CPC Class Codes: B60L 2260/28 Four wheel or all wheel drive
• CPC Class Codes: B60L 3/0023 Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
• CPC Class Codes: B60L 5/24 Pantographs
• CPC Class Codes: B60L 50/11 using DC generators and DC motors
• CPC Class Codes: B60L 9/04 fed from dc supply lines
• CPC Class Codes: B60L 9/18 fed from dc supply lines
• CPC Class Codes: B60M 7/00 Power lines or rails specially adapted for electrically-propelled vehicles of special types, e.g. suspension tramway, ropeway, underground railway
• CPC Class Codes: Y02T 10/70 Energy storage systems for electromobility, e.g. batteries
• CPC Class Codes: Y02T 10/7072 Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
• CPC Class Codes: Y02T 10/72 Electric energy management in electromobility
• CPC Class Codes: Y02T 90/16 Information or communication technologies improving the operation of electric vehicles

Abstract

A dump truck 1, which is a transport vehicle equipped with a current collector, includes a vessel 5 to load a load, a pantograph 7 that extends to receive electric power from an overhead line 8 and contracts and retracts so as to be disposed below the vessel 5, and a vehicle body 3 that rotationally drives driving wheels 32 by at least one of electric power from the pantograph 7 and a self-propelled driving source and on which the vessel 5 is placed.

Claims

1. A transport vehicle equipped with a current collector, comprising:

a vessel to load a load;

a current collector that extends to receive electric power from an overhead line and contracts and retracts so as to be disposed below the vessel; and

a vehicle body that rotationally drives driving wheels by at least one of the electric power from the current collector and a self-propelled driving source and on which the vessel is placed.

2. The transport vehicle equipped with the current collector according to claim 1, wherein the contracted and retracted current collector is disposed on an inner side of an outline of the vessel when viewed from a top.

3. The transport vehicle equipped with the current collector according to claim 1, wherein the current collector is disposed at a front side and a rear side in a moving direction of the vehicle body.

4. The transport vehicle equipped with the current collector according to claim 1, wherein the vehicle body is an unmanned transport vehicle without a cab.

5. The transport vehicle equipped with the current collector according to claim 1, wherein the current collector includes a slider that slidably comes in contact with the overhead line, a first arm to which the slider is attached, and a second arm that is connected with the first arm using a joint and is contracted and retracted to be folded so as to accommodate the first arm.