The ground wheel is a kind of lifting pulley. It is an important lifting tool with simple structure. It uses a doubling lever for the lifting and hoisting of heavy objects. It can change the direction of the traction cable of the pulley and the pulley group and lift or move moving objects.
The head block is like a shaft in a mine. It is a fixed pulley that regulates the movement direction of the steel wire rope above. Its function is to support the steel wire rope connecting the hoist drum and the lifting container and guide the steel wire rope to turn. The crown block has three types: traveling crown block, fixed crown block on the shaft, sinking and fixed crown block underground. The types of steel wire rope matched with the crown block include phosphating coated steel wire rope, galvanized steel wire rope or smooth steel wire rope.
| Features of pulleys |
| The ground pulley is a kind of hoisting block and is an important lifting tool. It has a simple structure and is easy to use. It is used for lifting heavy objects, and can change the direction of the pulley and the pulley group pulling the wire rope and lift or move the moving objects. |
| Sturdy and durable, not easy to wear and tear, long service life. |
| Thickened material and pulley design. |
| Surface coating with anti-rust and anti-corrosion materials. |
| Strong load-bearing capacity, not easy to loosen. |
| Simple structure and easy to use. |
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