Explosion-proof overhead cranes are one of the various types of explosion-proof and hazardous environment material handling overhead bridge cranes, with all the motors and electrical equipment of the explosion-proof overhead crane manufactured in line with international standards and regulations. The lifting capacity of the explosion-proof overhead bridge crane is 1 a 75 montones.
Tipo | KDB |
Capacidad de levantamiento | 1 a 75 tonelada |
Altura de elevación | 3 a 30 metro |
Durar | 6 a 31.5 metro |
Velocidad de elevación | 0.33-8 m/min |
Velocidad de funcionamiento del polipasto | 20 m/min |
Velocidad de funcionamiento de la grúa | 20 m/min |
Explosion-proof grade | ExdⅡBT4、ExdⅡCT4 |
Deber de trabajo | A3 |
Introducción
Grúa aérea a prueba de explosiones is a material handling equipment specially customized for high temperature and electric spark environments.
The main material lifting equipment is a specially customized explosion-proof electric hoist;
Explosion-proof electric hoists are used in the material handling process when the surrounding environment produces an explosive mixture of combustible gas, polvo, and air, explosion-proof is a very important preventive measure to ensure personal safety and various production, almacenamiento, and material handling systems Safety.
Que le podemos ofrecer?
WeiHuaCrane can provide you with explosion-proof overhead cranes with a capacity of 1ton~20ton, a span of 7.5m~31.5m, and a lifting height of 3m~30m.
Si estos no pueden cumplir con sus requisitos, we can also design and manufacture an Explosion-proof Overhead Crane that meets your needs according to your needs.
The main purpose of Explosion-proof Overhead Cranes?
Explosion-proof electric hoists can be used in environments with fire or explosion hazards, such as petroleum production, gas stations, oil depots, natural gas collection, chemical processing, military factories, distribution plants, ore mining, electronics production, railway construction, etc.; When you are working, friction and collision will not produce mechanical sparks, which can effectively prevent fire accidents.
Características
- Simple structure,strong rigidity.
- Bueno en usabilidad, easy to manufacture.
- Normal speed or frequency control, viaje estable.
- The explosion-proof form is ExdExplosion-proof mark is ExdⅡBT4 or ExdⅡCT4,temperature group is T1—T4 inflammable gas, explosive gas of steam and air mixture
- Motor and other electrical parts should be chosen according to the explosion class.
- The manufacture and inspection of Explosion-proof motor electrical parts should be according to GB3836.2-2000
In electrical and safety engineering, hazardous locations (HazLoc, pronounced haz·lōk) are places where fire or explosion hazards may exist. Sources of such hazards include gases, vapors, polvo, fibers, and flyings, which are combustible or flammable. Electrical equipment installed in such locations could provide an ignition source, due to electrical arcing, or high temperature. Standards and regulations exist to identify such locations, classify the hazards, and design equipment for safe use in such locations.
Please check Wikipedia for the introduction of explosion-proof international standards
Ventajas de WeiHuaCrane
Escenarios de aplicación
Explosion-proof electric hoists can be used in environments with fire or explosion hazards, such as petroleum production, gas stations, oil depots, natural gas collection, chemical processing, military factories, distribution plants, ore mining, electronics production, railway construction, etc.; When you are working, friction and collision will not produce mechanical sparks, which can effectively prevent fire accidents.
Chemical industry, waste treatment station, combustible gas supplier, metal processing company, wood processing company, paint shop, pharmaceutical industry, industria de alimentos, oil refinery, etc..
Estructura principal y característica
A prueba de explosiones Grúa aérea de una sola viga mainly composed of metal structure(main girder, end truck); polipasto de cable eléctrico a prueba de explosiones(mecanismo de elevación); traveling mechanism and electrical equipment.
Metal structure
- Main girder is welded by high quality I-beam and one time molding,stamping U-slots, or welded by steel plate of box beam.
- Steel quality is Q235B or Q345B(international Fe37 or Fe52).
- The end truck is welded by rectangular tube or high quality steel plate.
- The main girder and end truck is contacted by hanging panel or half sit half hanging bolts, easy to transport.
- There are holes left for installation on the main girder, easy to assemble.
- On each end of the main girder equipped with Polyurethane buffer, to ensure the safe traveling of hoists.
Polipasto de cable eléctrico a prueba de explosiones
Mainly composed of lifting, mecanismo de viaje, and electrical parts.
Mecanismo de elevación
- Motor de elevación
- reductor
- Drum
- Acoplamiento
- cable de alambre
- Hook device
Mecanismo de viaje
- Electric trolley
- Operating motor
For more information about explosion-proof electric hoists, you can view the product.
Grúa viajando
- Adopts separate driving, moving on the rails on both sides of span, install one driving wheel and one driven wheel, every driving wheel has one set of driving devices.
- Driving device is made up of tapered rotor motor, reductor, explosion-proof wheels, also can adopts trinity drive, adjustment is simple and quick.
- Estructura compacta, good-looking, talla pequeña, peso ligero.
- Traveling stably, braking effectively, long-life service.
Partes eléctricas
- The conductor of crane is cable.
- Lifting and crane traveling can be controlled separately or working at the same time.
- Composed of galvanized slide rail and cable pulley, sliding stably.
- The electrical appliance adjusts speed without contact or spark module.
- Traveling, levantamiento, starts are very stable.
- The layout of control box is reasonable, facil mantenimiento.
Proteccion
- Outside cranes equipped with lifting mechanism, control box and rainproof for driving mechanism.
- Equipped with overload alarm, prevent the hook clashing the top.
- Install buffer block for crane.
- With sound and light alarm devices.
- Other protections
Maneras de control
Colgantes de botón y Controles de radio
Explosion-proof Overhead Crane Parameters Table
Capacidad | Durar | Altura de elevación | Velocidad de elevación | Velocidad del carro | Velocidad de la grúa | Tipo de pista |
S(metro) | metro | m/min | m/min | m/min | ||
1 tonelada | 7.5~31,5 | 6~30 | 8(0.8/8) | 20(30) | 20(30) | P18 |
2 montones | 7.5~31,5 | 6~30 | 8(0.8/8) | 20(30) | 20(30) | P18 P24 |
3 montones | 7.5~31,5 | 6~30 | 8(0.8/8) | 20(30) | 20(30) | P24 |
5 montones | 7.5~31,5 | 6~30 | 8(0.8/8) | 20(30) | 20(30) | P24 |
10 montones | 7.5~31,5 | 9~30 | 7(0.7/7) | 20(30) | 20(30) | P24 P30 |
16 montones | 7.5~31,5 | 9~30 | 3.5(0.35/3.5) | 18 | 20(30) | P30 P38 |
20 montones | 10.5~31,5 | 6~16 | 4.2 | 20.5 | 19 | P43 |
32 montones | 10.5~31,5 | 6~18 | 4.1 | 20 | 17 | P43 QU70 |
50 montones | 10.5~31,5 | 6~16 | 3 | 19.1 | 19.4 | QU80 |
75 montones | 10.5~31,5 | 6~20 | 1.9 | 10.5 | 15.4 | QU100 |
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