Excavator being large in excavation range and high in stability
An excavator and stability technology, applied in mechanically driven excavators/dredgers, earth movers/shovels, construction, etc., can solve the problems of unstable factors, limited excavation range, etc., to increase the excavation range , The effect of reducing material cost and convenient operation
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[0022] Embodiment 1, this embodiment provides the specific structure of the excavator. Such as Figures 1 to 3 As shown, the excavator in this embodiment includes a lower traveling mechanism 1, a fuselage 3, a working device 2, and a counterweight 4. The lower traveling mechanism 1 is connected to the fuselage 3 through a slewing bearing, and the connection between the working device 2 and the fuselage 3 The first hydraulic cylinder group 8 is arranged between them, the first hydraulic cylinder group 8 includes two hydraulic cylinders, the cylinder barrel of the hydraulic cylinder is hinged with the hinge seat 9 on the fuselage bottom plate 7, and the piston rod top of the hydraulic cylinder is connected with the working device base 6 rear fixedly connected to the upper part of the body, a second hydraulic cylinder group 5 is arranged between the counterweight 4 and the fuselage 3, and this group of hydraulic cylinders also includes two hydraulic cylinders, the cylinder barrel...
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