Hoist Hand Chain Products

Chain hoist, also known as chain hoist and inverted chain, is a kind of manual lifting equipment that is simple to use and easy to carry, also known as "chain hoist" or "inverted chain".


It is suitable for short-distance hoisting of small equipment and goods, the lifting weight generally does not exceed 10T, the maximum can reach 20T, and the lifting height generally does not exceed 6m. The shell of the chain hoist is made of high-quality alloy steel, which is sturdy and wear-resistant and has high safety performance. When the chain hoist lifts the heavy object upward, pull the manual chain and the hand sprocket clockwise to rotate, and when it descends, pull the hand zipper chain counterclockwise, the brake seat is separated from the brake pad, the ratchet is stationary under the action of the pawl, and the five-tooth long shaft Drive the hoisting sprocket to run in the opposite direction, so as to smoothly drop the heavy objects. Chain hoists generally use ratchet friction disc type one-way brakes, which can brake by themselves under load, and the pawls mesh with the ratchets under the action of springs to make the brakes work safely.


It has the characteristics of safety and reliability, easy maintenance, high mechanical efficiency, small bracelet tension, light weight, easy to carry, beautiful appearance, small size, and durability. It is suitable for factories, mines, construction sites, docks, docks, warehouses, etc. Installation of machines, lifting of goods, especially for open-air and no-power operations, show its superiority.


The main parts of the chain hoist are made of alloy steel, and the chain is made of 800Mpa high-strength hoisting chain, generally 20M2, medium-frequency quenching heat treatment, low-wear, anti-corrosion chain; high-strength hook, generally made of alloy steel, forged The hit hook design ensures a slow lift to prevent overloading.


As an upgraded fixed pulley, the chain hoist completely inherits the advantages of the fixed pulley. At the same time, it adopts the combination of the reverse backstop brake reducer and the chain pulley block, and symmetrically arranges the secondary spur gear rotation structure, which is simple, durable and efficient.


The hand chain hoist rotates by pulling the manual chain and the hand sprocket, pressing the friction plate ratchet and the brake seat to rotate together, and the tooth long shaft rotates the plate gear, the tooth short shaft and the spline hole gear. In this way, the hoisting sprocket mounted on the spline hole gear drives the hoisting chain, thereby stably lifting the heavy object. The ratchet friction disc type one-way brake is adopted, which can brake by itself under the load, and the pawl meshes with the ratchet under the action of the spring, and the brake works safely.

 

 

 

 

 

Hoist Hand Chain Products

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