ENGINE TYPE INDUSTRIAL VEHICLE
To appropriately restrict a contact with an object.SOLUTION: A fork lift includes: an engine; a power transmission mechanism for transmitting drive force of the engine to drive wheels; a main control device for adjusting the drive force to be transmitted to the drive wheels; and an object detection...
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Format: | Patent |
Sprache: | eng ; jpn |
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Zusammenfassung: | To appropriately restrict a contact with an object.SOLUTION: A fork lift includes: an engine; a power transmission mechanism for transmitting drive force of the engine to drive wheels; a main control device for adjusting the drive force to be transmitted to the drive wheels; and an object detection section for detecting a position of an object existing in a travel direction of a vehicle body. The main control device derives a prediction trajectory being the trajectory predicted to indicate a passage of the vehicle body. The main control device sets a vehicle speed upper limit value when the object is positioned inside the prediction trajectory and also when the travel direction of the vehicle body is the direction to approach the object. The main control device is configured such that the vehicle speed of the vehicle body does not to exceed the vehicle speed upper limit value by performing at least one of control of applying force in a direction to prevent the travel of the vehicle body and control of interrupting the drive force to the drive wheels.SELECTED DRAWING: Figure 8
【課題】物体との接触を適切に抑制すること。【解決手段】フォークリフトは、エンジンと、エンジンの駆動力を駆動輪に伝達する動力伝達機構と、駆動輪に伝達される駆動力の調整を行う主制御装置と、車体の進行方向に存在する物体の位置を検出する物体検出部と、を備える。主制御装置は、車体が通過すると予想される軌跡である予想軌跡を導出する。主制御装置は、物体が予想軌跡内に位置している場合であって車体の進行方向が物体に近づく方向の場合に車速上限値を設定する。主制御装置は、車体の進行を妨げる方向への力を作用させる制御、及び駆動輪への駆動力を遮断する制御の少なくとも一方を行うことで、車体の車速が車速上限値を上回らないように構成されている。【選択図】図8 |
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