Product Description Heavy duty 200ton 6 block sheave pulley for lifting boatWith winch, anchor machine, marine crane and other use, multiply the tension, save costs.The sheave block can be designed and produced according to the actual needs of the customer, such as...
Product Description Heavy duty 200ton 6 block sheave pulley for lifting boatWith winch, anchor machine, marine crane and other use, multiply the tension, save costs.The sheave block can be designed and produced according to the actual needs of the customer, such as...
Error:获取session失败，How to Assemble a Pulley SystemA pulley is a wheel that rotates on a shaft or shaft to support the movement of a taut cable. Pulleys allow power to be transmitted from the shaft to the cable.Simple pulleyThe simplest theory of operation of a pulley...
