B - Operations – Transporting – 25 – J
Patent
B - Operations, Transporting
25
J
B25J 13/08 (2006.01) B65H 19/30 (2006.01) B66F 9/18 (2006.01) B66F 9/24 (2006.01)
Patent
CA 2449676
In a control for a load-handling device that includes an hydraulic gripper (14) which is intended to grip objects, such as one or more rolls or bales of paper material or other goods, through the medium of pressure in a clamping pressure line (32) leading to one or more hydraulic cylinders (30) that actuate gripping arms on the gripper (14), and on the other hand to lift said objects by actuation from a lifting device (22, 42), there is proposed the possibility of adapting the clamping force to the lifting force during a clamping and lifting operation, among other things by monitoring the lifting force of the lifting device (42) with the aid of sensor means (60), wherein a pressure reduction valve (36) is provided in the clamping pressure line (32), and a control means (50) is provided for controlling the pressure reduction valve (36) to a pressure in the clamping pressure line (36) that is proportional to the lifting force detected by the sensor means (60).
Cascade N.v.
Oyen Wiggs Green & Mutala Llp
LandOfFree
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