Rope traction device

Details Rope traction device Rope traction device

B - Operations, Transporting

66

D

B66D 5/16 (2006.01) B66D 1/74 (2006.01) B66D 5/04 (2006.01) B66D 5/14 (2006.01) F16D 55/02 (2006.01) F16D 59/02 (2006.01) F16D 65/14 (2006.01)

Patent

CA 2172589

A rope traction device includes a sheave which is driven and rotated to cause a traction rope to be wound on the sheave. The rope traction device thereby is moved along the traction rope. The rope traction device includes a traction rope inlet for feeding in the traction rope, a traction rope outlet for feeding out the traction rope, a traction rope locking device provided in the vicinity of said traction rope inlet for detecting increase in relative moving speed of the traction rope and thereupon locking the traction rope, an auxiliary rope locking device provided in the vicinity of the traction rope inlet for detecting relative moving speed of an auxiliary rope suspended from above the rope traction device and thereupon locking the auxiliary rope, a connecting device for connecting the traction rope locking device with the auxiliary rope locking device in such a manner that the traction rope locking device and the auxiliary rope locking device can detect increase in the relative moving speeds of the respective ropes independently from each other and both of the locking devices are brought into a locking state when either one of the locking devices has detected increase in the relative moving speed.

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