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Working principle of hand chain hoist

releaseTime:2024-04-22 09:24:29source:Mu TiannumberOfPageViews:0

The working principle of a hand chain hoist is relatively straightforward and relies on a combination of mechanical components to lift and lower heavy loads manually. Here's a breakdown of the key components and the working principle of a hand chain hoist:

Chain: The lifting chain is a crucial component of the hand chain hoist. It is typically made of high-strength alloy steel and is looped around a lifting wheel or drum. One end of the chain is attached to the load to be lifted, while the other end is connected to the hoist mechanism.

Hand Chain: The hand chain is operated by the user to control the lifting and lowering of the load. It is typically made of durable steel and is connected to the lifting mechanism inside the hoist body. When the user pulls down on the hand chain, it engages with the lifting mechanism, causing the chain to move and lift the load.

Lifting Mechanism: Inside the hoist body, there is a lifting mechanism that converts the pulling motion of the hand chain into vertical movement of the lifting chain. This mechanism usually consists of gears, pawls, and a ratchet system. When the hand chain is pulled, it rotates a gear or sprocket, which in turn drives the lifting wheel or drum. The pawls engage with the ratchet teeth on the lifting wheel or drum, preventing the load from descending when the hand chain is released.

Load Hook: The load hook is attached to the end of the lifting chain and is used to support the load being lifted. It is typically equipped with a latch or safety catch to prevent the load from accidentally slipping off the hook.

Brake Mechanism: Many hand chain hoists are equipped with a brake mechanism that engages automatically when the hand chain is released. This brake helps to hold the load securely in place and prevent it from descending unexpectedly.

The working principle of a hand chain hoist involves the user pulling down on the hand chain, which activates the lifting mechanism inside the hoist body. This mechanism transfers the pulling force to the lifting chain, causing it to wrap around the lifting wheel or drum and lift the load. The load is then held in place by the brake mechanism until the user releases tension on the hand chain, allowing the load to be lowered under control.

Overall, hand chain hoists provide a simple yet effective means of lifting heavy loads manually, making them valuable tools in various industries and applications.

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

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