Chain puller is a lifting and conveying equipment that can be used quickly and easily by attaching two open ends of a roller chain to a linking ring and pulling it out even in confined spaces. This tool pulls the two ends of the chain together when fitted to a machine.
The chain puller attached to a solid surface and connected to a standard power source can achieve a pulling force of 300. Chain pullers can also be placed in series to allow chains to hold a constant power of 300 tonnes. It is used especially in shipyards and marinas for dragging ships and barges, fixing ships in breakwaters or submerging ships vertically. Chain pulls with tensile force up to one thousand tons are produced according to need.
Horizontal chain puller, also called Hubzug, are chain puller used to pull loads in the horizontal plane. These vehicles are designed to pull heavy loads horizontally. It is used by pulling gently with the help of an arm. The hook of the hub is pulled to a fixed point and the attaching arm is pulled gradually to the load to be pulled. The chain clamping arm of the hub is designed for easy towing.
Generally, chain pulleys (hubs) are manufactured in three different types depending on their characteristics: standard hubs, load-safe hubs and ratchet hubs. The load capacity of the standard hubzug is between 500 Kg and 9 tons. Chain lengths are 150 cm.
The standards that are taken as basis in the control and inspection works carried out by the competent authorities are as follows:
TS 1228 Steel wire rope pullers
TS ISO 4510-2 Construction and excavation machinery - Service tools - Part 2: Mechanical puller and thrusters
DIN 15404-1 Lifting hooks - Technical delivery
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