Hand pulled hoists (manual chain hoists) significantly improve work efficiency through five core paths: reducing labor burden, minimizing handling losses, adapting to complex environments, improving operating speed, and reducing overall costs. Specifically, this is reflected in:

1. Maximizing human efficiency: Mechanical transmission amplifies manpower and reduces physical exertion

Significantly reduced operating force: By amplifying torque through planetary gears or worm gear transmission, the operating force only requires 1/8-1/10 of the weight of the heavy object (such as a 5-ton heavy object requiring only about 0.5-0.6 tons of tension). Workers can focus on precise positioning and quality control, avoiding operational errors caused by physical exhaustion.

Case verification: In the coal mine project, the repaired chain hoist achieves "new life of waste parts" through "assembly and reorganization", directly saving nearly 10000 yuan in procurement costs while maintaining the efficiency of high-frequency lifting operations.

2. Homework safety and loss control: Stable improvement to reduce losses and ensure continuous operation

Precise control and anti fall protection: The ratchet brake and friction plate self-locking mechanism ensure stable hovering of heavy objects, avoiding falling accidents; The overload protection device automatically shuts down when overloaded by 10% -15%, reducing equipment damage and safety accidents.

Reduce item loss: The stability of mechanical lifting is much better than manual handling, especially suitable for fragile items (such as glass, electronic components) or special shaped equipment (such as steel structural beams), reducing the damage rate caused by shaking and tilting.

3. Scene adaptability: Flexible deployment in non powered/explosion-proof environments

No dependence on power supply: suitable for outdoor, high-altitude, non powered places (such as mines, construction sites, ports) and explosion-proof environments (such as chemical and oil and gas sites), solving the needs of scenarios that cannot be covered by electric equipment.

Modular and portable design: lightweight and small in size, can be hung on I-beams, crane tracks, or dedicated brackets, suitable for narrow spaces or complex terrains (such as workshop corners, tunnels), and achieve rapid deployment and transfer.

4. Homework speed and productivity improvement: typical scenarios for low-frequency and efficient operations

Advantages of low-frequency scenarios: In low-frequency and short-term operations (such as equipment maintenance and local lifting), the ease and reliability of operation of hand pulled hoists are superior to the high cost and maintenance complexity of electric hoists.

Case data: The automobile manufacturing workshop used a chain hoist to assist in lifting the engine, reducing the operation time from 15 minutes to 5 minutes and increasing daily production capacity by 20%; In the hoisting of steel structures on construction sites, multiple chain hoists work together to achieve fast and accurate positioning, shortening the construction period.

5. Cost effectiveness and maintenance advantages: the long-term value of reducing costs and increasing efficiency

Low purchase and maintenance costs: Compared to electric hoists, hand pulled hoists have a purchase cost that is more than 50% lower. They are easy to maintain (only requiring regular lubrication, inspection of chains and brakes), and can further reduce purchase and maintenance costs by repairing and reusing damaged parts.

Case study: Daming Heavy Industry saved over 320000 yuan in procurement costs and ensured production continuity by repairing damaged components of the chain hoist, such as sprockets and hooks, and reassembling them for reuse.

Comparative advantages with electric hoists

Differences in Applicable Scenarios: Electric hoists are suitable for high-frequency, heavy load, precise control or automated operations (such as assembly lines, large equipment installation), while hand pulled hoists are more cost-effective in low-frequency, light load, no power supply or flexible movement scenarios.

Advantages of Explosion proof Environment: The explosion-proof design of the chain hoist (such as spark free operation) provides safety protection in hazardous environments such as chemical, oil and gas, while electric equipment requires additional explosion-proof motors and control systems, resulting in higher costs.

The main equipment produced by Hebei Makita: stage electric hoist, electric chian hoist, wire rope electric hoist，Hand chain hoist, lever hoist, pneumatic hoist and other lifting equipment