作者: Hans Nilsson
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摘要: A control is provided for a load-handling device that includes hydraulic gripper (14) which intended to grip objects, such as one or more rolls bales of paper material other goods, through the medium pressure in clamping line (32) leading cylinders (30) actuate gripping arms on (14), and hand lift objects by actuation from lifting (22, 42). The force adapted during operation, by, among things, monitoring (42) with aid sensor member. reduction valve (36) (32), member (50) controlling proportional detected (60).