Patent classifications
E02F3/302
Construction machine
A working mechanism (8) includes a lower boom (9), an upper boom (10), a middle arm (11), an arm (12), a working tool (13), a working tool cylinder (22), and a link (16). The working tool cylinder (22) is disposed on a lower surface (12B) side of the arm (12), and a cylinder guard (23) is fixed on a first link (17) of the link (16). The cylinder guard (23) is rotationally displaced in synchronization with an expanding or contracting operation of the working tool cylinder (22) and is interposed between the working tool (13) and the working tool cylinder (22) to protect the working tool cylinder (22).
STICK FOR AN EXCAVATOR
The invention relates to a stick (14) for an excavator, with a stick section (51) provided at the stick end (48), which is provided on a stick main section (50), with an mounting axis (17) provided at a stick end (48) of the stick section (51), on which an mounting device (21) with an attachment bearing point (38) of a coupling device (33) is pivotably mounted about the mounting axis (17), with a deflector axis (29) provided adjacent to the mounting axis (17) at the stick end (48), with a swivel kinematics (27), which comprises a swivel axis (35) on which a deflector (28) and a coupling (31) are jointly mounted, the deflector (28) engaging opposite the swivel axis (35) on the deflector axis (29) and the coupling (31) engaging opposite a coupling bearing point (37) of the coupling device (33), wherein a fork-shaped connection (20) is provided between the stick (14) and the mounting device (21) and/or between the swivel kinematics (27) and the mounting device (21).