Elevator movable rope fastener Mitsubishi Kone Hitachi rope head combination rod assembly

Both ends of the wire rope must always be connected to the relevant components. For example, if the 1:1 winding method is used, one end of the rope is connected to the rope head plate on the car, and the other end is connected to the rope head plate on the counterweight; if the 2:1 winding method is used, both ends of the wire rope must be led to the machine room and connected and fixed to the rope head plate of the fixed bracket on the machine room.

The device for fixing the end of the wire rope is also called the rope head combination. There are various methods. The safest and most reliable method is to use an alloy fixing method-the conical sleeve method filled with babbitt alloy. This fixing method can keep the wire rope 100% of the breaking force.

Babbitt alloy is a low melting point alloy, the main components of which are tin, lead, antimony, etc. For the casting of babbitt alloy to fix the traction rope head, each elevator factory has formulated special operating procedures, which must be strictly followed to avoid reducing the mechanical strength of the traction rope termination.

The conical sleeve in the rope head combination is made of cast steel, and the small end is connected to the traction rope head (several traction ropes require several rope head combinations). Babbitt alloy is poured inside the sleeve, and the rope head is cast in the conical sleeve. The pull rod is inserted into the rope head plate hole on the car or counterweight frame upper beam, and the spring is inserted, a washer is added, and it is fixed with a double nut and a cotter pin is added to prevent it from falling off.

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