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Pivoting beam type hydraulic excavator - has jib derricking ram chambers connected to chambers of third ram between jib and arm
Pivoting beam type hydraulic excavator - has jib derricking ram chambers connected to chambers of third ram between jib and arm
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机译:旋转梁式液压挖掘机-悬臂悬臂夯室连接到悬臂和臂之间的第三柱塞室
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摘要
The hydraulically-operated excavator has a job derricked in a vertical plane by a first ram, and a bucket arm hinging on the jib under the action of a second ram. A third ram (18) is coupled between the jib (2) and the arm (8), and the chambers on the opposite sides of the piston in this ram cylinder are connected to those on opposite sides of the first ram piston (4).
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