Hitachi Type Electric Wire Rope Hoist-Single Girder

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Detailed  description1. BRAKE WITH AUTOMATIC ADJUSTING DEVICE
This new Hitachi type Wire Rope Hoist is similar technology as Japanese  hitachi--the brake is with automatic adjusting device. This brake is automatically adjusted in proportion to the amount of lining abrasion to render it maintenance-free, eliminating hazardous brake adjustment high above floor level. This device also automatically adjusts to the wear of its link mechanism, thus achieving automatic adjustment of the overall brake mechanism, which is an exceptional feature.
2.AUXILIARY BRAKING DEVICE
First developed by Hitachi in the industry then put into production for our hoist, this mechanism is employed to absorb shock during operation. Should the  main brake fail to function or should the motor shaft break, this auxiliary braking device is actuated absolutely to prevent a load from dropping. In conjunction with the brake with automatic adjusting device, this auxiliary braking device constitutes a positive, double braking mechanism.
3. TOP HOISTING SPEED
To raise efficiency, hoisting speed is very important and this hoist perform very well in the speed, Further, a standard speed type is available to conform to individual customer requirements
3.DURABLE WIRE ROPE
A filler rope usable three times longer than point contact wire rope is adopted.
5. LOAD BLOCK FITTED WITH SAFETY LEVER
The load block is provided with a safety lever (to prevent rope from dislodging) in addition to a safety cover. Further, Large sheave diameter assures rope prolonged durability.
6.HOOK WITH PUNCH MARKS new IS PROVIDED
The punch marks are convenient for inspecting hook opening by only measuring the distance between them.
7. INTEGRATED PUSHBUTTON CABLE
The push button cable and protective wire are built into a single assembly so that there will be no longer a broken wire by hooking the protective wire. This design also assures ease of push button operation.
8. PLASTIC PUSHBUTTONS
The plastic push buttons are light and easy to use without the danger of electric shock.
9. MOTORIZED TROLLEY
Wear of l-beam and wheels is negligible. The hoist travels by guide rollers and flangeless wheels, remarkably reducing wear on the l-beam and wheels.
Since a brake is provided, travel by inertia is small, facilitating load positioning.
Standard headroom type and low headroom type can be used commonly.
10. CONTROL BOX
Double-limit switch when the load block has reached the upper limit, the  control circuit of the electro-magnetic switch is turned OFF, halting the operation. Should the circuit be short-circuited and the load block be moved further upward, the motor main circuit is cut OFF, stopping the hoist.
Reverse Phase-prevention device When reverse phase occurs, the motor main  circuit is cut OFF, preventing accidents due to mis-wiring.
11. MOTOR
Hoisting motor is provided with a thermal protector which senses the heat of the motor coil and functions to protect the motor from burning damages caused  by over work.

Specifications
Model 1LF 2LF 3LF 5LF 7.5LF 10LF 15LF 20LF
Capacity(t) 1 2 3 5 7.5 10 15 20
Lifting height(m) 6m | 12m 6m | 12m 6m | 12m 8m | 12m 8m | 12m 8m | 12m 8m | 12m 8m | 12m
Hoist Lifting speed
(m/min)
50Hz 11 6 7.5 6.7 6.7 5 2.5 2.5
60Hz 13 7 9 8 8 6 3 3
Power(kw) 50Hz 3 3 5.5 7.5 9 11 8*2 8*2
60Hz 3 3 5.5 7.5 9 11 8*2 8*2
Motor Current 6.44 6.44 12.8 15.6 19 22 16 18
No.of poles 4 4 4 4 4 4 4 4
Trolley Traversing speed
(m/min)
50Hz 11 | 21 11 | 21 11 | 21 11 | 21 11 | 21 11 | 21 11 | 21 11 | 21
60Hz 13 | 25 13 | 25 13 | 25 13 | 25 13 | 25 13 | 25 13 | 25 13 | 25
Power(kw) 50Hz 0.4 0.4 0.4 0.75 0.75 0.75*2 0.75*2 0.75*2
60Hz 0.4 0.4 0.4 0.75 0.75 0.75*2 0.75*2 0.75*2
Motor Current 1.5 1.5 1.5 2.2 2.2 2.2 2.2 2.2
No.of poles 4 4 4 4 4 4 4 4
Min.curve radius(m) 1.5 1.8 2.0 3.0 Straight Straight Straight Straight
Wire Rope No.of falls(pcs) 2 2 2 4 4 4 4 4
Composition 6×(19)-B+FC 6×(37)-B+FC 6×(37)-B+FC 6×(37)-B+FC 6×(37)+FC 6×(37)+FC 6×(39)+1 6×(37)+1
Diameter(mm) Ф8 Ф12 Ф14 Ф12 Ф14 Ф15.5 Ф20 Ф20
Power supply 220V--600V/3Phase/50Hz or 60Hz
Control voltage 24V/36V/48V/110V

Highly Reliable Braking SystemThe hoist detects the amount of lining abrasion. The brake is equipped with an automatic adjusting device to apply brake torque in proportion to the amount of lining abrasion.
Hoisting Motor with a Thermal Protector.
The hoisting motor automatically stops when sensing the heat of the motor coil in order to protect the motor from burning damage caused by heat due to overwork.
Efficient Maintenance is PossibleThe starting time counter in the control box facilitates checking of the lifetime of consumable parts.
The gear inspection window in the control box allows visual checks of the condition of the gear teeth surface and lubrication to some degree.
The punch mark on the hook indicates the reference point for the hook inspection of deformation.
The inspection of the rope end is easy.

Specifications

Model

2LFD

3LFD

5LFD

7.5LFD

10LFD

15LFD

20LFD

Capacityt

2

3

5

7.5

10

15

20

Lifting heightm

12m

6m | 12m

8m|12 m

8m | 12m

8m | 12m

8m | 12m

12m

Hoist

Lifting speed
m/min

50Hz

6

7.5

6.7

6.7

5

2.5

2.5

60Hz

7

9

8

8

6

3

3

Powerkw

50Hz

3

5

7.5

9

11

8*2

8*2

60Hz

3

5

7.5

9

11

8*2

8*2

Motor

Current

6.44

12.8

15.6

19

22

16

16

No.of poles

4

4

4

4

4

4

4

Trolley

Traversing speed
m/min

50Hz

11 | 21

11 | 21

11 | 21

11 | 21

11 | 21

11 | 21

11 | 21

60Hz

13 | 25

13 | 25

13 | 25

13 | 25

13 | 25

13 | 25

13 | 25

Powerkw

50Hz

0.4

0.4

0.75

0.75

0.75*2

1.1

1.1*2

60Hz

0.4

0.4

0.75

0.75

0.75*2

1.1

1.1*2

Motor

Current

1.5

1.5

2.2

2.2

2.2

2

3

No.of poles

4

4

4

4

4

4

4

Wire Rope

No.of fallspcs

2

2

4

4

4

4

4

Composition

19+FC

37+FC

37+FC

37+FC

37+FC

37+1

37+1

Diametermm

Ф8

Ф10

Ф12

Ф14

Ф16

Ф20

Ф20

Power supply

220V--600V/3Phase/50Hz or 60Hz

Control voltage

24V/36V/48V/110V


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