The movable pulley base The crown block base
Application: suitable for installation in the inside of the tunnel wall guide pulley rope tension compensation direction.
Material: ZL114A Q235A.
Process: the metal mould precision casting
Performance: 1. The work load of 16.68 kN, failure load is not less than 55 kN.
2. The horizontal adjustment quantity is 100 mm, vertical adjustment quantity of 50 mm.
