Basic Knowledge of Lifting Machinery
Category: Industry News
Release time:2020-02-13
1. Lifting Machinery Lifting machinery refers to mechanical and electrical equipment used for lifting loads vertically or for lifting and horizontally moving them.
2. Characteristics of Lifting Machinery Operations
(1) Lifting machinery typically features large structures and relatively complex mechanisms, often requiring the simultaneous operation of movements in several different directions during work—making the operational techniques particularly challenging.
(2) A wide variety of heavy objects can be lifted, and the load constantly varies. Some items weigh over a hundred tons, are bulky and irregularly shaped, while others include loose granular materials, molten or hot substances, and even flammable, explosive, or hazardous goods—making the lifting process both complex and risky.
(3) It needs to operate over a large area with significant operational space; once an accident occurs, the impact area will also be considerable.
(4) Some lifting machines are designed to directly carry people for vertical movement, and their reliability directly affects personal safety.
(5) There are many exposed, moving components that frequently come into direct contact with lifting operation personnel (such as hooks, wire ropes, etc.), posing numerous potential hazards.
(6) The work environment is complex, involving locations such as enterprises, ports, construction sites, and more—settings that often present hazardous conditions like high temperatures, high pressure, and risks of flammability and explosions, posing significant threats to both equipment and personnel.
(7) Assignments often require multiple people to work together and complete a task jointly.
3. Classification of Lifting Machinery
(1) Lightweight and compact lifting equipment.
(2) Elevator.
(3) Crane.
1) Bridge-type crane.
2) Boom-type crane.
4. Conditions for the Safe and Normal Operation of Lifting Machinery
(1) Metal structures and mechanical components must possess adequate strength, rigidity, and resistance to buckling.
(2) The complete machine must have the necessary anti-overturning stability.
(3) The prime mover has the power required to meet operational performance demands, and the braking system provides the necessary braking torque.
Keywords: Basic Knowledge of Lifting Machinery
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