What should be connected between the pulley block and the frame body or hanging basket

The pulley block is connected with the frame body or the hanging basket by wire rope, and the electric hanging basket wire rope is twisted into strands by multi-layer steel wires, and then twisted into a spiral rope by a certain number of strands with the rope core as the center. Basket Wire Rope Safety Factor Basket Wire Rope Requirements Basket Wire Rope Specification Grid in material handling machinery for lifting, traction, tensioning and loading. Jinlida electric basket wire rope safety factor Hanging basket wire rope requirements Jinlida hanging basket wire rope specification The strength of the wire rope is high, the weight is light, the work is stable, it is not easy to break the whole root suddenly, and the work is reliable.

Basket Wire Rope Safety Factor Basket Wire Rope Requirements Basket Wire Rope Specification Structure of Grid Wire Rope (1) Steel Wire. The wire rope plays the role of bearing the load, and its performance is mainly determined by the steel wire. Steel wire is a round (or special-shaped) wire made of carbon steel or alloy steel through cold drawing or cold rolling, which has high strength and toughness, and the steel wire is surface treated according to different environmental conditions.

2) Rope core. It is used to increase the elasticity and toughness of the wire rope, lubricate the copper wire, reduce friction, and improve the service life. Materials such as organic fibers (e.g. hemp, cotton), synthetic fibers, asbestos cores (at high temperatures) or soft metals are commonly used.

Our factory produces and operates the safety factor of the basket wire rope The requirements of the basket wire rope The specifications of the basket wire rope are high-quality rope wires, elevator wire ropes, important wire ropes, stainless steel wire ropes, and 6 thick diameter wire ropes.

Your question should be to ignore the friction of the pulley and the weight of the pulley. If this is the case, 1) the force of the person pulling the rope f=1 2

500+100)n

300n2) The pressure of the person on the hanging basket n and the support force n of the spider plant to the person'It is the interaction force, and if the force is analyzed on the person, the person is subjected to the tensile force of the rope and cracks the hail'=f=300n

The support of the hanging basket to the sail of the people n'And the person's own gravity slowly g, the action of the three forces is in a state of equilibrium, so.

The pressure of the person on the gondola.

n=n'=g-f'=500n-300n=200n

There are 5 sections of rope to share the weight of the person, the hanging basket, and the movable pulley.

400n+50n+600n）/5=210n

Answer]: C This question examines the classification of lifting machinery and spreaders. "Lifting and hoisting equipment" in the "Lifting and Hoisting Equipment of the Construction Lifting and Hoisting Engineering Safety Chang Rubber Technical Regulation Bureau" JGJ276-2012 stipulates that when the important hoisting operation, higher operation or lifting capacity is large, the hook-type pulley should be used next to the wax-resistant side, and the lifting ring, chain link or hanging beam type pulley should be used.

Specification].