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Hoist Switch
1.MD1 Model wire-rope electric hoists can be widely used to hoist
heavy objects, or installed on the straight or curve I-steel beam
of Single-girder Cranes. They can also be used together with
Electric Hoist Double-beam, gantry crane and slewing cranes.
2. MD1 Model is widely used in
factories,mines,harbors,warehouse,cargo, storage areas and
shops,essential in raising working efficiency and improving working
conditions.
Difference
MD1 Model electric hoists have fast and slow lifting speeds which
make it lift steadily and accurately.
Safety
1. Brake and clutch ensure the safety under any circumstance,no
slip under load
2. IP55 of hoist frame and brake ensures the optimal corrosion
resistance under harsh environment.
3. Up and down limit switch ensures the safe operation of the hook
on the top and bottom position.
4. Low voltage contactor ensures the safe and reliable operation
Features
1) Compact structure and reasonable design
2) Easy to install and high efficiency
3) Widely used
4) Top quality with competitive and economic price
Small size, beautiful appearance, reasonable structure, strong and
durable, easy to store
| Model | MD1 |
| Capacity | Tons | 0.5 | 1 | 2 | 3 | 5 | 10 | 16 |
| Hoisting height | M | 6,9,12 | 6,9,12,18,24,30 | 9,12,18,24,30 |
| Hoisting speed | M/MIN | 8/0.8 | 8/0.8 | 7/0.7 | 3.5/0.35 |
| Travel speed | M/MIN | 20/30 | 20/30 | 20/30 | 20/30 | 20/30 | 20/30 | 18 |
| Wirerope | Dia.(mm) | 4.8 | 7.4 | 11 | 13 | 15 | 15 | 17.5 |
| Spec. | 6x37+FC | 6x37+FC | 6x37+FC | 6x37+FC |
| Hoisting motor | Type | Type | ZD121-4 | ZD122-4 | ZD131-4 | ZD132-4 | ZD141-4 | ZD151-4 | ZD151-4 |
| Power | Power(kW) | 0.8 | 1.5 | 3 | 4.5 | 7.5 | 13 | 13 |
| Rotation speed | Rotation speed(r/min) | 1380 | 1380 | 1380 | 1380 | 1400 | 1400 | 1400 |
| Current | (A) | 2.2 | 4.3 | 7.6 | 11 | 18 | 30 | 30 |
| Travel motor | Type | Type | ZDY111-4 | ZDY111-4 | ZDY112-4 | ZDY112-4 | ZDY121-4 | ZDY121-4 | ZDY121-4 |
| Power | Power(kW) | 0.2 | 0.2 | 0.4 | 0.4 | 0.8 | 0.8x2 | 0.8x2 |
| Rotation speed | Rotation speed(r/min) | 1380 | 1380 | 1380 | 1380 | 1380 | 1380 | 1380 |
| Current | Current(A) | 0.72 | 0.72 | 1.25 | 1.25 | 2.4 | 2.4 | 2.4 |
| Power | 3PAC 220v/230v/380v/400v/415v/440v380V,50HZ/60HZ, |
Motor:Hoist Motor is a taper type rotor motor with braking, it is made by
Nanjing special motor factory, it is
of the best quality motors, it has bigger torque, so it can be
adapted to moving frequently, the Maximum torque is 2.4-3 times
than the rated torque.
Gear Box:Hoist Gear Box has specially treated gears for high wear
resistance. Each Geared Shaft assembly is supported on ball or
roller bearings, to ensure smooth, low-friction operation.
Wire Rope:Hoisting ropes comply with the exporting standards. The leading
rope taken by the Drum does
not slip sideways when slack. The factor of safety, on the nominal
breaking strength of the rope is six.
Rope Drum:Grooved Drum, seamless pipe of adequate length to be wounded in one
layer and to provide proper support for the rope to minimize
abrasive wear is provided. Drum Shaft resolves on Ball Bearings
for ensuring smooth running
Electric apparatus controlling system:Model CD1 and MD1 is composed of the contactor box, controlling
switch, cut-off limiter, the working voltage of controlling switch
is 380V,36V or 24V(safety voltage).
Rope Guide:Rope Guide is in two halves, ensuring easy accessibility. It
encircles the Drum completely so
that the rope may not uncoil even when the Hoist is in unloaded
condition. The rope guides of our company
is thickened and dilated, so that it is not easy to be damaged.
Hook:The Hook Block is tested to 150 % of full load before assembly. The
rope sheaves are fully guarded with protective steel casting. All
sheaves rotate on ball bearing the pulley is thicken and dilated
than domestic common pulley.
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