What is crane hoist
Electric hoist is a lifting equipment, widely used in all walks of life, can be in accordance with the overhead crane, gantry crane, electric hoist has a small size, light weight, simple operation, easy to use characteristics.
The electric hoists can be divided into wire rope electric hoists and chain electric hoists, with lifting capacities from 0.1-100 ton and lifting heights from 3-30 m. Non-standard versions can be made to order. The electric hoist is mainly composed of motor, transmission mechanism, reel or sprocket, hook and wire rope or chain.
The role of electric hoist: mainly used for lifting, lifting, drafting, loading and unloading heavy objects, tank backwards welding, such as a variety of large and medium-sized concrete, steel structures and machinery and equipment installation and movement, suitable for construction and installation companies, factories and mines of civil engineering and bridge construction, electric power, ships, automobile manufacturing, construction, highways, bridges, metallurgy, mining, slope tunnel, shaft governance protection and other infrastructure projects of machinery and equipment.
The electric hoist is a common light and small lifting equipment, there are two common ways to control the electric hoist, one is to use the button to follow the manipulation at ground level, but rather to use the wireless remote control from a distance. The electric hoist generally consists of an electric motor, transmission mechanism and a reel unit or sprocket mechanism. Electric hoists can be divided into two types: wire rope electric hoists and chain electric hoists. Wire rope electric hoists can also be divided into single speed hoist types, two speed hoist types, miniature electric hoists, winches, multifunctional hoists and many other types.
Crane hoist types
The main categories of electric hoists: electric chain hoists, wire rope electric hoists, european type electric hoists, explosion-proof hoists, winches, multifunctional hoists.
Electric chain hoists
The electric chain hoist is produced using international standards, with reasonable design, advanced structure, beautiful appearance, small volume and light weight, high strength and toughness of the machine parts, safe and reliable use, easy maintenance, durable and other advantages.
The electric chain hoist makes up for the large and bulky size of the wire rope electric hoist. The electric chain hoist consists of an electric motor, a drive mechanism and a chain wheel. The biggest difference with the wire rope electric hoist is that the wire rope is replaced by a chain. The lifting capacity is generally 0.1 to 60 tonnes and the lifting height is 3 to 120 metres.
Features of the electric chain hoist: advanced performance structure, small size, light weight, reliable performance, easy to operate, the electric chain hoist is widely applicable, very convenient for lifting heavy objects, loading and unloading work, maintenance equipment, lifting goods, the electric chain hoist can also be installed in the overhanging I-beam, curved track, jib crane rail and fixed lifting points to lift heavy objects.
Electric chain hoist, retaining the characteristics of the hand chain hoist light and convenient, and improve the hand chain hoist manual operation, slow lifting speed and other deficiencies, electric chain hoist gathered the advantages of the hand chain hoist and electric hoist in one, the use of disc brake motor as the power cycloid needle reducer deceleration, electric chain hoist compact structure, small size, light weight, high efficiency easy to use, reliable braking, simple maintenance features.
The current tonnage of the electric chain hoist: 240kg, 300kg, 0.5t, 1t, 2t, 3t, 5t, 10t, 20t, 25t, 30t, 35t, 50t, 60t and already up to 100t. The speed of the electric chain hoist: double speed, single speed, frequency start, double speed frequency start.
The access power supply of the electric chain hoist is generally 110V-690V, the standard is generally 380V, 50HZ. the power supply, voltage and safety voltage requirements for use vary in different countries/regions.
The control switch voltage of the electric chain hoist is 24V/36V (the control switch can cause personal injury if it is not transformed by the built-in transformer, so most electric chain hoists have a control voltage of 24/36V)
Wire rope electric hoists
The main components of the wire rope electric hoist include: reducer, running mechanism, reel unit, hook unit, coupling, flexible cable current introducer, limiters, etc. The wire rope electric hoist is one of the commonly used lifting equipment in factories, mines, ports, warehouses, yards, shops, etc. It is a necessary machine to improve labour efficiency. The necessary machinery to improve labour conditions.
The lifting speed of the wire rope electric hoist is 8 m/min and the lifting weight is between 0.5 and 10 tons. The length of the steel wire rope can be customised according to customer requirements.
Light weight, small volume, compact structure, many varieties and specifications, smooth running, simple operation and easy to use. They can be used on the same plane to make straight, curved, circular overhead tracks, and also on electric single girder, manual single girder, bridge, suspension, cantilever, gantry and other cranes with I-beam as the track. The electric hoist is widely used in factories, warehouses, docks, power stations, logging yards, etc. It is the most ideal lifting equipment for lifting and handling goods.
European style electric hoists
The Euro Electric Hoist is mainly used in electric overhead travelling cranes, single and double girder gantry and semi-gantry cranes and other lifting type applications. Lifting capacities range from 1 to 30 tonnes and are available in fixed, single and double girder versions. In a light, compact and modular construction for easy maintenance. With lifting cables, hook paths, lifting speeds and in accordance with the requirements of the working standards. This is also relevant for the number of lifts per hour as well as the compliance size.
European electric hoist from the lifting motor to the reducer, from the drum to the wire rope, from the safe and reliable electrical components to the perfect structural parts, to ensure safe and smooth operation and high efficiency, compact structure design to ensure the minimum hook offset size, to provide the standard configuration of lifting two-speed (frequency conversion optional), trolley frequency conversion, to ensure the efficient operation of the crane, the efficiency of the workshop logistics, to ensure that the customer's various work plans of the customer are implemented as scheduled.
The European-style electric hoist operation monitoring unit allows detailed records of electric hoist operation, motor operating status and safe working cycles with advance warning. All records can provide data for maintenance and understanding of the root cause of the problem, making crane maintenance more timely and faster.
The modular design of the European-style electric hoist ensures the standardisation and interchangeability of components, greatly reducing the maintenance costs of the product. The company has a complete stock of spare parts for all product ranges and a professional service team to ensure timely after-sales service for customers, solving their worries after purchasing the equipment.
The explosion-proof electric hoist is an explosion-proof lifting equipment designed, manufactured and accepted according to the latest Chinese explosion-proof standards, and its explosion-proof form is "explosion-proof".
The exposed explosion-protected parts of the hoist are made of special non-sparking materials for safe and reliable explosion-proof performance.The HB explosion-proof electric hoist is mainly suitable for use in explosion-proof electric hoists for Class I coal mines and Class II factories, in various explosion-hazardous places in temperature groups T 1 - T 4.
The tonnage of the explosion-proof electric hoist is 0.5T/1T/2T/3T/5T/10T/16T/20T/32T, the lifting height is 6M/9M/12M/18M/24M/30M, the lifting speed is 8M/MIN, and the running speed is 20M/MIN.
The explosion-proof electric hoist is a light and small lifting equipment, with the advantages of light weight, small size and large lifting capacity. When the plant is filled with explosive mixtures, it is a favourable tool to improve labour productivity under the premise of ensuring safety.
Winches are devices that are driven by human or mechanical power to drive the drum and wind the rope to complete the traction work. Can be lifted vertically, horizontally or tilted to pull heavy objects. Winch is divided into manual winch and electric winch two kinds. The electric winch is the main one. Electric winches are composed of electric motors, couplings, brakes, gearboxes and drum, which are mounted together on the frame. For the lifting height and loading and unloading volume of frequent work, speed regulation performance is good, can make the empty hook quickly down. For installation in position or sensitive materials, a smaller speed can be used.
Commonly used tonnages for winches are: 0.5T, 1T, 1.5T, 2T, 3T, 5T, 6T, 8T, 10T, 15T, 20T, 25T, 30T.
From the point of view of compliance with standards: winches can be divided into national standard winches and non-standard winches.
The multifunctional hoist is a type of electric hoist. It is compact in design, easy to install, economical and has a wide range of applications.
The electric chain hoist retains the advantages of the hand chain hoist in terms of lightness and convenience, but also improves the shortcomings of the hand chain hoist in terms of manual operation and slow lifting speed, combining the advantages of the electric hoist and the hand chain hoist in one. It has a compact structure, small volume, light weight, high efficiency, easy to use, reliable braking, simple maintenance, smooth operation, large conveying capacity, high lifting height and other characteristics. It is suitable for low speed, short stroke material loading and unloading, equipment installation and other work, widely used in engineering and construction, mining and other fields.
The electric hoist adopts a compact design scheme to fully ensure advanced design, safe operation, convenient and efficient, reasonable structure, simple operation and easy maintenance. The electric hoist has the advantages of light weight, low height, excellent configuration, high transmission efficiency, low noise, energy saving and environmental protection, modular manufacturing process for components, high versatility, high maintenance-free rate and few wearing parts.