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After-sale service and technical assistance: company provides after sales service and technical assistance as per customers' requirement and needs with response within 24 hours.
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Shandong Lisheng Machinery Co., Ltd. is a new generation enterprise dedicated to the hardware industry. It is located in Jining City, Shandong Province, the hometown of Confucius and Mencius. The company is a professional hardware supporting enterprise integrating design, research and development, production and sales. The main products are chains, wire ropes and their accessories: shackles, turn buckles, clips, rings, snap hooks and other forgings and castings, and accept drawings and samples for processing.
Manual chain hoist are used in many different industries as their efficiency allows a job to be completed by one person rather than a job that would usually take two or more due to the heavy load needing to be moved. Chain blocks are most commonly found in garages by mechanics - this is because the chain block can be used to hoist heavy components, such as the engine, without much hassle.
Common applications are also in building sites when lifting heavy rubble or steel beams - lifting slings or reinforced chain bags can be used to lift the object more evenly as all of the weight will be on the handle or hook. Electric chain blocks may be used in these examples as it could be used multiple times per day to lift extremely heavy loads (up to five tonnes or more depending on the type used).
You may also find use in a chain block in road recovery services as some recovery vehicles will use a chain block to either hoist a damaged vehicle onto its truck bed. This can be useful when the car cannot be driven due to substantial damage.
The chain block contains two wheels or cogs in which the chain is wrapped around. Both electric chain blocks and manual chain blocks have the same fundamental functions - when the chain is pulled, it wraps around the wheels which adds torque to the lifting mechanism, pulling the item that is on the other end of the chain (usually with a strong hook) and lifting it off the ground - the wheels inside the block are how they are able to lift heavy loads - even when operated manually.
A chain block has a strong chain for lifting objects and attaching hooks to, manual lifting blocks have a hand chain which can be used for pulling by hand to bring the load up (these are powered by motors in electric chain blocks), they also have a grabbing hook for applying the lifting load. Electric chain blocks are the most common method, however, manual chain blocks are commonly used to lift lighter loads as they aren’t as expensive and are easier to move.
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This is determined by the weight of the load to be lifted. A hoist's rated capacity is the maximum load for which the hoist is designed to lift. If most of the things you are lifting are between 3-1/4 to 4-1/2 tons then select a 5 ton load limit.
This also known as chain blocks or chain pulley blocks, chain hoists are used extensively to move heavy loads through chain pulling. While most chain hoists are operated by hand, lever blocks (or ratchet lever hoists) are operated by pulling a manual lever either forward or backward.
Chain hoist gives you the ability to lift huge loads up to 50 tonnes with ease by using mechanical advantage. Its working load limit (WLL) is greater than a lever hoist which lifts a load up to 10,000 kg.
With the development of today's society, the types of chain products are also constantly innovating. The use of chains should be widely used in many industries.