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CONSTRUCTION MACHINE BOOM MOUNT DEVICE
A boom mount device of a construction machine can easily align a boom with an upper frame of the construction machine when mounting the boom on the upper frame. The upper frame includes a center section including one pair of left-and-right vertical plates. The vertical plates include outside surfaces facing outside and guide parts disposed on the outside surfaces and guide holes are formed. An adapter that pivotably connects a base end of the boom and a base end of a boom cylinder is mounted on the base end side of the boom. The adapter includes one pair of left-and-right guide pins. When the boom is mounted on the upper frame, the one pair of left-and-right guide pins is inserted into the guide holes of the one pair of left-and-right guide parts.
CONSTRUCTION MACHINE BOOM MOUNT DEVICE
A boom mount device of a construction machine can easily align a boom with an upper frame of the construction machine when mounting the boom on the upper frame. The upper frame includes a center section including one pair of left-and-right vertical plates. The vertical plates include outside surfaces facing outside and guide parts disposed on the outside surfaces and guide holes are formed. An adapter that pivotably connects a base end of the boom and a base end of a boom cylinder is mounted on the base end side of the boom. The adapter includes one pair of left-and-right guide pins. When the boom is mounted on the upper frame, the one pair of left-and-right guide pins is inserted into the guide holes of the one pair of left-and-right guide parts.
CONSTRUCTION MACHINE BOOM MOUNT DEVICE
WADA ICHIRO (author) / MIYANO YUKIO (author)
2022-04-14
Patent
Electronic Resource
English
IPC:
E02F
Baggern
,
DREDGING