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Hitachi

Hitachi Industrial Equipment Systems Co.,Ltd.

High-function Type
[From 1/2 to 30 ton, Standard Headroom Type, Low Headroom Type, Double Rail Type.]
Orthodox Type
[From 1to 3 ton, Standard Headroom Type, Low Headroom Type ]
Speed ratio is 10:1 or 4:1. The hoist is made based on V Series.
[From 1/2 to 30 ton, Standard Headroom Type, Low Headroom Type, Double Rail Type.]
The expansion-proof type hoist is suitable for places that explosive gases are handled.
[From 1 to 5 ton, Standard Headroom Type, Low Headroom Type, Double Rail Type]
Dedicated rope hoists will be manufactured on demand.
(Dedicated Rope Hoists, Special High Lift, Pair Hoist, Special Hoisting Speed, Special Traversing Speed, Anti Corrosive Type, Special Electric Source, With Rain Cover, Multi Hook Type, With Upper and Lower Limit Switch, High Frequency Type)
For traveling ceiling crane.
Maximum wheel load is from 0.6 to 11.2 ton.
(Suspension Type, Toprun Type and Wheel Unit.)
  • Peripheral
Control equipment to upgrade the crane system.
  • Reference
Reference materials that are useful for selecting the hoist.
(Calculation formulas for the hoist selection, Weight of load block, Maximum Span of the I-Beam for Traveling, and Earthing )
  • Bits of knowledge about hoist crane
Definitions, Models, Configurations, and Words

Features

1. BRAKE WITH AUTOMATIC ADJUSTING DEVICE

Introduced in the new Wire Rope Hoist is the world's first hoist brake with automatic adjusting device developed by Hitachi. This brake is automatically adjusted in propor-tion to the amount of lining abra-sion to render it maintenance-free, eliminating hazardous brake adjust-ment high above floor level. This device also automatically adjusts to the wear of its link mechanism, thus achieving automatic adjust-ment of the overall brake mecha-nism, an exceptional feature.

2. AUXILIARY BRAKING DEVICE

Developed by Hitachi as a "first" in the industry, this mechanism is em-ployed 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, dou ble-braking mechanism.

3. TOP HOISTING SPEED

To raise efficiency, hoisting speed is the fastest in Japan. Further, a standard speed type is available to conform to individual customer requirements.

4. DURABLE WIRE ROPE

A filler rope usable three times longer than point contact wire rope is adopted.

Features

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 safetV cover. Further, Iarge sheave dia-meter assures rope prolonged dura-bility.

6. HOOK WITH PUNCH MARKS new IS PROVIDED

The punch marks are convenient for inspection of hook opening bv only measuring the distance be-tween them.

7. INTEGRATED PUSHBUTTON CABLE

The pushbutton cable and protec-tive wire are built into a single assembly so that there will no longer be a broken wire by hooking the protective wire. This design also assures ease of pushbutton operation.

8. PLASTIC PUSHBUTTONS

The plastic pushbuttons are light and easy to use without the danger of electric shock.

9. MOTORIZED TROLLEY

Wear of l-beam and wheels is negli-gible. The hoist travels by guide rollers and flangeless wheels, re-markably 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 lowheadroom type can be used com-monly.

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 miswiring.

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.

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