Understand The Core Mechanical Principles of Lifting A Thousand-ton Load in Just 3 Minutes!

Why does the farther a crane extends, the lighter it lifts?

Why can steel wire ropes withstand a tensile force of over a hundred tons?

How can we ensure that the vehicle does not overturn during operations in windy weather?

Learn about the core technologies and have a better understanding of crane operation!

Lever Principle: The "Power Code" of Cranes

The essence of a crane is a super lever system, and the key lies in torque balance:

Lifting capacity = Hydraulic power × lever arm length

Danger zone: When the load torque is greater than the balance torque, it is bound to tip over!

Operating iron rule: If the lifting radius is doubled, the rated load will drop by 70% directly

Steel Wire Rope: The "Master of Jiu-Jitsu" of Steel

Multi-layer braided structure

Six strands of steel wire are spirally wound and interlock when subjected to force

Breaking tensile force = strength of a single filament × Friction coefficient of the contact surface

Safety life formula:

Replacement cycle = reference value ×(bending times/load impact coefficient)

Hydraulic System: The Invisible "Muscle"

The Violent aesthetics of PASCAL's Law:

A small pump drives a large cylinder: A 10cm² piston exerts a pressure of 100bar, which equals a thrust of 10 tons

Flow control accuracy: The proportional valve regulates the oil speed, with a positioning error of less than 5mm

Anti-overturning Design: Five life-saving mechanisms

Dynamic adjustment of counterweight: Real-time calculation of wind load and dynamic load

Leg pressure sensor: Immediate alarm when the ground is uneven

Multi-level limit switch: Physically blocks over-limit operation

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