The lever chain hoist, with its unique mechanical design and mechanics principles, has demonstrated significant advantages in industries, construction, logistics, and other fields, which can be summarized into the following six dimensions:

1. Mechanical efficiency and force amplification characteristics

The principle of lever balance: Through the lever effect of "power arm x power=resistance arm x resistance", the input force is multiplied. For example, when the length of the power arm is three times that of the resistance arm, only one-third of the force is needed to balance the same load, significantly reducing the demand for manpower or power input.

Mechanical benefits of pulley system: Multi stage pulley system can further reduce the required tension, such as n-section load-bearing rope can reduce the tension to 1/n of the weight of the object, combined with lever system to form a dual force amplification effect, improving work efficiency.

2. Precise control and safety self-locking

Gear set and braking system: The ratchet, worm and other gear sets achieve precise control of lifting and lowering, coupled with a normally closed brake (automatically locked when powered off), to prevent heavy objects from accidentally falling and ensure operational safety.

Clutch and torque limitation: The clutch controls the engagement and disengagement of power transmission, achieving precise operation; The torque limiter monitors the load in real-time to avoid structural damage or overturning risks caused by overload.

3. Spatial adaptability and homework flexibility

Dynamic adjustment of rotation radius: Adapt to different work scenarios through arm extension, elevation angle changes, or hydraulic system adjustments. For example, the rotation radius can be reduced in narrow spaces, and the operating range can be expanded in open areas, balancing stability and flexibility.

The three-point arc principle: The equipment lifting point, base center, and foundation center are located on the same arc to ensure the stability of the center of gravity during rotating lifting, and to improve lifting accuracy and safety.

4. Structural strength and durability

Application of high-strength materials: High strength steel or alloy materials are used to ensure structural rigidity and durability, and to adapt to high load and high-frequency operation requirements.

Modular design: For example, the arm length of a crawler crane can be extended to 52 meters (such as the QUY50 model), and multiple standard arms can be connected through pin shafts to enhance adaptability; Welding, bolt connection or pin connection shall comply with engineering standards to avoid stress concentration or fatigue failure.

5. Cost effectiveness and maintenance convenience

Low maintenance cost: Compared to electric or hydraulic systems, lever chain hoists have a relatively simple structure, lower maintenance costs, and lower failure rates, extending equipment service life.

Easy operation: Driven by manpower or simple power, with low operation threshold and low training cost, suitable for operators with various skill levels.

6. Safety standards and compliance

Multiple safety devices: overload limiter, torque limiter, wind speed sensor, etc. Real time monitoring and warning of potential risks, in compliance with international/domestic safety standards (such as ISO, GB, etc.).

Stability verification: By designing counterweights and optimizing pivot positions, ensure that the total torque does not exceed the safety threshold to prevent overturning accidents; The ground support system (such as support legs, support wheels, tracks) disperses the load to the ground, expands the effective support area, and enhances stability.

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