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An electric chain hoist is a device for vertically lifting and lowering loads or materials. The electric hoist is made up of an electric motor with a brake, a gearbox, a load chain wheel, and a controller to control the system's motions.These motorized chain hoists are ideal for use in factories and machine shops where items must be lifted and loaded quickly.
Electric chain hoists use an induction motor and a brake to make sure the load is held while being lifted, allowing for the safe lifting of heavy loads. Electrical energy is transformed into mechanical energy by the motor, which can subsequently lift the load or object. In addition to a motor that runs in an unusual manner, it has a brake with an interlocking system. When the electric chain hoist is running, the energy supply to the brake will be removed, but when the motor is turned off, the supply is automatically provided, and the brake will restart—ensuring that the hoist load can be supported. The inconvenience, frustration, and time spent moving big goods are almost eliminated.
An electric chain hoist is a sturdy lifting equipment hat is used to transport heavy loads. It is required in construction, docks, warehouses, factories, assembly-line production activities, and many other places. An electric chain hoist is a safe way to move load materials.
You can transfer large objects between locations rapidly with the use of a motorized chain block. It is constructed from high-quality materials appropriate for many industrial uses, such as loading and unloading cargo, maintaining machinery, and lifting workpieces. Every piece of machinery has advantages and disadvantages.
Everyone should be aware of the following benefits and drawbacks of using an electric chain hoist:
Employees should be aware of the proper hoist working guidelines that will keep them safe while using the tool. Because chain hoists are such an important part of the machinery industry, there are numerous important factors to consider when selecting the best electric chain hoist.
Before touching the operation button handle, wipe your hand off oil and water. Purchase the best electric hoist with premium-quality moving parts and bearings to provide workers with a safe experience.
Electric chain hoists are classified based on the type of mounting which the hoist are suspended or supported .
Hooks - Hook-mounted electric chain hoists have a top hook that allows them to be temporarily attached to a trolley or beam clamp. This is the most basic suspension method. A safety latch is usually installed on a top hook to prevent the load from swaying or accidentally slipping.
Lug mounting - Lug mounted electri chain hoists are suspended by bolting their top to a wall or an overhead beam. They are securely fastened to the location where the load must be lifted. They may be allowed to move to a different location.
Trolleys are attached to the electric hoist and are in charge of transporting the hoist with or without loads across the length of the beam. They make it easier to move and position the motorized hoist from one location to another.
Hand push trolley -Electric hoists with hand push trolleys or plain trolleys have a suspension mechanism that allows the electric chain block to traverse horizontally by pulling it for a specified interval. Regardless of whether the hoist is loaded or not, it can be pushed or pulled along the length of the beam. Hand Pushe trolley have the lowest positioning accuracy and demand the most work out of all trolley-type suspensions.
Geared Trolley -Geared trolleys are controlled by a hand chain that must be manually pulled several times in order for the hoist to move.
Electric Travel Trolley -Electric travel trolleys are powered by an electric motor that moves the hoist a predetermined distance. The electric hoist controller system incorporates controls for travel direction and speed. Electric travel trolleys provide greater travel accuracy and precision with the least amount of effort.
The electric chain hoist can move loads up and down , travel left and right, run back and forth, and move in six directions. The process of lifting and lowering an object is referred to as up and down operation; left and right operation means that the electric hoist moves along the I-beam under the action of an electric trolley; and back and forth running is referred to as single beam driving.
Electric chain hoist control methods are classified as wireless remote control, wire pendant control, synchronous free control, and synchronous control.
The wireless remote control operation device consists of a remote control receiver and a wireless remote control operation button. It is capable of long-distance wireless operation, eliminating the need for wired handles.
Wired control hand switch buttons come in three different varieties:
Depending on the lifting height of the chain hoist, the wire length of the wired operation can be increased or decreased.
The wireless remote control operation that can control a single electric chan hoist unit and also realize synchronous operation, making it convenient and useful for a variety of applications, is used to control the separate synchronous dual control.
Synchronous control is a type of group hoists that enables simultaneous control of two or more electric chain hoists using a single remote control device. The use of a group hoist allows for the simultaneous wireless remote control operation of lifting and lowering as well as a single rising and descending, all of which are controlled by the same remote control operator.
Electric chain hoists are used in a variety of industries where big objects need to be lifted or transported because they are compact and practical. Safety should always come foremost when selecting an electric lifting hoist. When lifting a load, hoist limiters offer an electric hoist a safety guarantee. The following are the electric chain hoist limiters that are most frequently used:
Previously, the heavy-duty type was used, and the heavy-duty stopper can only be used to stop the power when it is lifted to the highest limit position and cannot control the lower limit position. Most lift limiters are currently bidirectionally limited, which means that the electric hoist can be protected in both the highest and lowest positions.
The travelling limit position limiter is also known as the travel switch. The travel switch is installed on the lifting trolley and chain hoist track. A safety ruler is placed at the end of the lifting trolley track and the chain hoist running track. When the switch comes into contact with the safety ruler, it immediately stops and returns to the limit position.
To prevent accidents caused by overloading and lifting heavy objects, different types of lifting weight limiters should be provided on the chain hoist. According to structure and principle, overload limiters are currently classified as mechanical elastic bar type, lever type, and friction plate type; force sensing type; current detecting type; and load measuring type. Overload limiters with force sensing are generally recommended and widely used.
Yuantai always provides customers with high-quality, safe electric hoists; all the electirc chain hoists and wire rope hoists come standard with upper and lower height limiters. Travel switch and overload limiter are available upon request for electric chain hoists. Height limiter and overload limiter are also standard on electric wire rope hoists. The trolley travel limit switch is an optional feature.
We have compiled a comprehensive guide on how to choose a powered chain hoist, here are some key points:
Engineers and workers can choose an electric hoist that meets their lifting needs by considering factors like the rated capacity, working load limit, and duty cycles.
The rated capacity of an electric chain hoist is the maximum weight it can support before buckling. It is determined by the motor's capacity, the rigidity of the electric hoist assembly, and the strength of the load chain or wire rope.
If you're looking for an electric hoist for your plant, the first thing you need to know is how much weight you'll be lifting. This is the first and most important requirement. Safety is an important consideration in your choice, and it is best to err on the side of caution when determining the safe working load of your hoist. For 'light' loads, standard adjustments in lifting machinery and chain hoists are 125kg, 250kg, 500kg, 1000kg, and 2000kg. So, for example, if your constant load is 500kg and you are likely to exceed that weight, don't risk it.Choose the 1000kg electric chain hoist to optimize your production while also ensuring the safety of your workers and cargo.
The maximum allowable weight that an electric chain hoist can safely carry is defined as the working load limit. It is calculated by multiplying the minimum breaking load by a safety factor. The factor of safety is determined by the hoist's construction, potential threats to workers, and the environment.
The lift height of required for your lifting task is also an important consideration. Your proposed building is the most significant constraint in this regard. Don't assume that just because your building is a certain height, you'll be able to reach the same height in lift. Before making any decisions, determine the size of both your lifting structure and your chain hoist or electric wire rope hoist. If you are unsure about any terms, consult with a lifting professional. Errors at this stage of your progress can be very costly and can be avoided with a simple phone call.
Wear becomes more likely as the worker uses the hoist more frequently. The duty cycle of a hoist is the amount of time it can operate under normal conditions and parameters. For example, an electric hoist should only be used for one minute and then turned off for 99 minutes; thus, the duty cycle is 1/100 or 1%. Using a hoist outside of its duty cycle can accelerate wear and reduce service life.
Lifting and travel speeds have an impact on production and turnaround times. Here are a few details to consider when purchasing an electric hoist:
Lifting speed refers to how quickly a load is lifted or lowered from its original position. An electric hoist can have a fixed or variable lifting speed that is controlled by the hoist controller. Slower speeds are used when the load is fragile, heavy, or requires precise positioning. Faster speeds are used in manufacturing and transportation. Loading and unloading of products are done at moderate speeds.
High speed and low speed
If high efficiency is your goal, you'll need a faster lifting speed to get the best return on investment on your chain hoist purchase. Consider a slower speed if all you're doing is sporadically shifting the delivered goods off the truck. Several factors influence hoist speed, including motor power, gearbox ratio, and chain reeving.
Single speed and dual speed
Another deciding factor in electric chain hoist selection is whether to go with single or dual speed operation. Single speed operation is the most common and used in normal lifting and lowering applications such as goods offloading. When more precise movements are required, dual speed hoists are ideal. Electric chain hoists have clear advantages over manual chain hoists (chain blocks); they are safer, faster, and far more convenient.
The travel speed of a trolley refers to how quickly it traverses a specific distance to move the load. An electric chain hoist can have a fixed travel speed or an adjustable travel speed that is controlled by the hoist controller.
An understanding of supply voltage is critical in choosing the right one. At yuantai Crane, we provide customized voltage design for your applications.
What voltage can we use? 110, 220 or 440? According to the type of electric hoist and capacity, the higher the capacity, the more likely you will require a higher voltage hoist. The higher the voltage, the lower the amps required, but it's critical to ask yourself wha you have available on site to ensure the product is running and working to its full potential. So you want to make sure that the motorized chain hoists you're using has a consistent electrical supply.
Yuantai Crane stocks a wide range of electric chain hoist models with capacities ranging from 1 to 35 tons, voltages ranging from 115V to 220V, 380V to 460V, and are intended for general material-handling operations. Prior to rental, each powered chain hoist is tested and certified to ensure maximum safety, efficiency, durability, and economy.
Beams make up the bridge on which the trolley is mounted and traverses. The bridge and its structural frame must be rigid and long-lasting enough to withstand the combined weight of the electric hoist and the object to be lifted. For the electric chain hoist to travel smoothly, the specifications and dimensions of the beam and the electric chain hoist trolley must be compatible. I-Beams, wide-flange beams, and patented track beams are the most common types of beams used in hoisting applications.
While a 4-tonne electric chain hoist could be adequate to handle your products right now, what about your needs in the future? Do you expect to be able to lift things that are heavier than they are now in the future? Every time you needed to move heavier objects, it wouldn't be economical to upgrade. Make a wise choice and choose the electric hoist that can meet your needs now and in the future.CHAIN HOIST FACT
Everyday objects that need to be moved from one location to another can be lifted with ease, but what if your load is a little unusual, like an asymmetrical load? What impact will it have on the specifications of your electric hoist and lifting machinery? Are there any risky environmental issues to take into account, too? Be as upfront and honest with your service provider as possible in this regard. Failure to communicate potential risks can waste productivity, money, and time, as well as endanger the safety of individuals using the lifting equipment.
You must ascertain how frequently the electric chain hoist will operate each day before purchasing . Also take into account the length of each cycle. Your elecric chain hoist's function must be prominently marked. The level of safety and effectiveness of your electric chain hoist will be determined by the ISO (International Organization for Standardization) or FEM (European Materials Handling Federation), which are recognized authorities in this respect.
When purchasing an electrical chain hoist, a budget is always a consideration. Don't simply choose the cheapest option and hope for the best. In the event that something goes wrong, you must be confident that your service provider has extensive support in terms of expertise and spare parts. Ascertain that your supplier is the original equipment manufacturer or official distributor of a well-known product. Examine your supplier's facilities as thoroughly as possible to ensure that they can meet both your immediate and future needs.
Any reasonable electric chain hoist will come with a warranty to protect the buyer from any malfunctions or losses caused by manufacturer flaws. This term is usually one year, but it can vary. Obtain this warranty in writing from your electric chain hoist service provider, and as previously stated, ensure that the electric hoist supplier is capable of honoring the warranty through trained personnel and spares backup.
At the moment, the electric chain hoist is widely used as a particularly durable and simple-to-use lifting device, and it also adds a lot of convenience to people's work by making loads lifting easier. Maintenance is essential for extending the life of an electric hoist. We'd like to share some electric chain hoist maintenance tips with you here.
Don't use the electric chain hoist for anything more than its intended purpose.
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