Double speed electric hoist
El doble de velocidad eléctrico de la grúa

Electric hoist double speed overview

Electric hoist with double speed is a type of small-sized lifting equipment, which is installed on various types of cranes such as single girder, bridge cranes, gantry cranes, jib cranes for material handling. Double speed electric hoist is widely used in factory, mining, railway, port, and storage, etc.

Lifting Capacity 0.5~32t
Lifting Height  6~50m
Working Class M3,M4
Ambient Temperature -25~40℃

Advantages of double speed electric hoist

The double speed electric hoists offered by Dongqi Hoist has the following advantages:

  • Double speed electric hoists is designed with compact structure, which enable the electric hoist small, light weighted, etc.
  • Fast and slow lifting speed of double speed electric hoists can make the lifting stable and easy.
  • High working efficiency, and long working life is the obvious advantages of double speed electric hoists.
  • Dongqi double speed electric hoists is also very easy to operate and is convenient to repair.

Double speed electric hoists offering

Dongqi Hoists can provide you double speed with the lifting capacity of 0.25 ton to 32 ton. The hoist specifications of some model of double speed electric hoists are presented as following for your reference.

Hoisting height
(m)		 hoisting speed la velocidad de desplazamiento wire rope
(dia.(mm)		 Hoisting motor
(power)		 Travel motor
(power)		 El poder
0.25 t eléctrico de la grúa 3,6,9 8(0.8/8) 20 3.6 0.4 0.06 De la CA 380v.50HZ,3P
0.5 t eléctrico de la grúa 6,9,12 20/30 4.8 0.8(0.2/0.8) 0.2 De la CA 380v.50HZ,3P
1 t eléctrico de la grúa 6,9,12,18,24,30 20/30 7.4 1.5(0.2/105) 0.2 De la CA 380v.50HZ,3P
2 t eléctrico de la grúa 20/30 11 3.0(0.4/4.5) 0.4 De la CA 380v.50HZ,3P
3 t eléctrico de la grúa 20/30 13 4.5(0.4/4.5) 0.4 De la CA 380v.50HZ,3P
5 t eléctrico de la grúa 20/30 15 7.5(0.8/7.5) 0.8 De la CA 380v.50HZ,3P
10 t eléctrico de la grúa 9,12,18,24,30 7(0.7/7) 20/30 15 131.5/13) 0.8*2 De la CA 380v.50HZ,3P
16 t eléctrico de la grúa 3.5(0.35/3.5) 18 17.5 131.5/13) 0.8*2 De la CA 380v.50HZ,3P

Features of double speed electric hoists

  1. Electric hoist lifting motor

  • The lifting motor of electric hoist is a bigger moment motor of taper rotor, with asynchronous braking, thus the extra braking is needed.
  • Motor loading lasting rate is 25%, which can ensure the safety of the motor and the double speed electric hoist.
  • Lifting motor of double speed hoists has the B or F grade insulation and safety class of IP44/ P154.

  1. Electric hoist lifting speed reducer

Double speed electric hoists have a lifting speed reducer with the Class 3 dead axle bevel wheel, with long working life.

High intension gear made from heated alloy steel is equipped on the lifting motor of double speed electric hoist.

Tank body and cover of the electric hoist reducer are made of best cast iron, strictly assembled and sealed well.

The reducer of double speed electric hoist is a separated device, which is convenient to be installed and uninstalled.

Double speed electric hoist is equipped with high efficiency and high reliability reducer.

  1. Electric hoist protect function

Safety always comes first. The double speed electric hoists have multiple safety devices to ensure the safety of electric hoists and the working personnel.

The matched brennschluss topper is equipped on the electric hoists to ensure the safety during hoist travelling.

Head punch protection devices is also installed on the double speed electric hoist.

  1. Wire rope of double speed electric hoist

Wire rope of double speed electric hoists used is confirming with the national standards GB/T 20118-2006(6*37+1).

The wire rope of double speed electric hoist has good resistance to wear.

  1. Operation device of double speed electric hoist

Light and handy operation devices is used to the double speed electric hoist.

Double operating devices is offered for your selection.

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