PROBLEM TO BE SOLVED: To provide a rear flap door opening/closing mechanism which enables loading of a long object and dropping of sediment adhering to four corners of a box by making a top end and a bottom end of a rear flap door openable and closable.SOLUTION: A rear flap door opening/closing mechanism 1 comprises: a drive device 10 which is provided at a rear end side of a box 110 and drives a cylinder shaft 11 in a vertical direction from its distal end side, and whose base end is mounted rotatably; a first arm 20 whose one end is rotatably connected to a distal end of the cylinder shaft 11; a plate 30 which is erected upward at a rear end of a lateral flap 120 provided at the lateral side of the box 110 of a dump truck 100, and whose corner on the rear side is rotatably connected to the rear end of the lateral flap 120 and whose corner on the front side is rotatably connected to the other end of the first arm 20; and a second arm 40 whose one end is rotatably connected to a top end of the plate 30 and whose the other end is rotatably connected to the top end of a rear flap door 111.SELECTED DRAWING: Figure 1
【課題】本発明は後アオリ戸の上端及び下端を開閉可能とすることで、長尺物の積載を可能にするとともに、箱の四隅に着いた土砂の落下を可能とする後アオリ戸開閉機構を提供する。【解決手段】後アオリ戸開閉機構1は、箱110の後端側に設けられ、その先端側から上下方向にシリンダシャフト11を駆動し基端が回動自在に取り付けられた駆動装置10と、シリンダシャフト11の先端に回動自在に—端が接続された第1ア−ム20と、ダンプカ−100の箱110側方に設けられた横アオリ120の後端において、上方に立設し、後方側の隅みが横アオリ120後端に回動自在に接続され、前方側の隅みが第1ア−ム20の他端に回動自在に接続されたプレ−ト30と、プレ−ト30の上端に—端が回動自在に接続され、後アオリ戸111の上端に他端が回動自在に接続された第2ア−ム40と、を備える。【選択図】 図1
REAR FLAP DOOR OPENING/CLOSING MECHANISM
後アオリ戸開閉機構
2016-06-23
Patent
Electronic Resource
Japanese
IPC: | B60P Fahrzeuge zum Transport von Lasten oder zum Befördern, Tragen oder Aufnehmen besonderer Lasten oder Gegenstände , VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS |
DUMP TRUCK REAR DOOR AUTOMATIC OPENING AND CLOSING DEVICE
European Patent Office | 2023
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