Description
Open Type Pulley Block Slinge Sheave With Hook can repeatedly change the direction of the pulley and pulley group traction cable and lifting or moving slings, Wire rope pulley block are widely used in construction and installation work. Product standards from 0.03 ~ 320 tons, the wheel system from single wheel to ten wheels, open-ended to facilitate the installation and removal of rope or chain.
product features
All parts of the material are selected according to the production standards, hooks using 20 steel 20Cr or 35CrM (different levels with different materials), pulley material for high-strength cast iron (not less than HT200), larger diameter or special needs with cast steel (not less than EG270-500).
According to user needs, special design and manufacture of specific specifications and models of the carriage.
The structure and material selection specification of the Pulley Block With Hook
1.Hook
choose the national standard type safety hook, cast by alloy steel. Tension coefficient reaches 4 times coefficient.
2.Pulley
cast iron (high strength and resistance, but on the wire rope wear and tear, as long as the lifting of large-scale equipment to use) pulley (light weight, high hardness, suitable for large pulley production): lower hardness, the use of small damage to the wire rope.
3.Pulley core set
Powder metallurgy oil-containing iron sheath core: low cost, widely used, suitable for small tonnage of slower rotation speed of the pulley.
Needle bearing wheel core: flexible rolling, pressure resistance and durable.
Wear-resistant composite copper sleeve wheel core: outstanding wear resistance, high load, friction coefficient is small, suitable for lifting load, but can not constitute a smooth film of the occasion, more for multi-wheeled large skidder group.
Roller bearing wheel core: standardized bearings, according to the lifting tonnage, the use of different standards, applicable to high-speed work, free of protection, but the cost is higher.
Parameters
