Crane #5846761

Light Crane

It is a light profile crane with load carrying capacity up to 2 ton. A cost efficient solution for lifting at a work assembly area. A very smooth travel & operation as compared to other cranes which indirectly eases the work of operator. It reduces the physical effort of operator.
The system is welding free & can be re assembled any time anywhere easily, it can also be expanded as per future purpose. Our system stands on a self standing structure or on a ceiling support as per the safe working. The long travel & cross travel is manual, with a very smooth trolleys which can be pulled by one hand with load. The crane is maintenance free & can be installed quickly.
Our Light crane easily works with chain hoist of any make which makes our crane easily adoptable. Buying our crane is none other than saving time, money, manpower, maintenance cost, electricity etc. One more plus point of our crane is that it works indoor, outdoor and in any environment.
Our cranes are painted with high quality epoxy paints which gives high degree of corrosion resistance & durability which makes the Silverline Light Crane system a worthy investment for years.

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Travelling Crane

Silverline manufacture trolleys of various sizes and capacities for industrial use. These trolleys give customised solution for handling of sheets, plates, coils or tins or any other heavy material in between factory bays.
We manufacture transfer trolleys ranging from 2 Ton to 100 Tons carrying capacity. These are powered by cable reeling drums or by shrouded DSL Bus bar System or by transfer chains or by trailing cables.
We have following three variants for operating transfer trolley.

Battery Operated
Electrically Operated
I.C. Engine Operated

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Explosion Proof Crane

Our (Electrically Operated Travelling (EOT) Cranes are explosion protected for use in upstream, midstream and downstream sectors. Designed specifically for Zone 1 or Zone 2 hazardous areas worldwide including motors and electrical systems in ignition protection mode.

SAFETY FEATURES:
Crane safety features at a glance -

Galvanized Hoist Rope.
Hoist Gearbox designed according to IS 3177 / 807 & FEM Group 2m.
Braked Travel Motors.
Buffers fitted to Hoist Trolley & Crane Bridge.
Full span maintenance walkway with access gate (Double Girder Cranes).
Crane and Crab Wheels in AB2 Bronze Anti-Sparking Material.
Hook in Bronze Anti-Sparking Material.
Asbestos-free Brake Linings
Protection Against Overloading
Hoist Gearbox with Lifetime Lubrication

Temperature Control of Motors
Two Travelling Speeds Ratio 4:1
Two Hoisting Speed Ratio 6:1
Lockable Mains Isolator (1500 mm above grade) at end of runway
Totally encapsulated self adjusting, twin, disc brake on Hoist motion
5:1 Hoist Rope Safety Factor
Overhoist & Overlower Limit Switches
Travel Limit Switches. Fast to slow and stop
Anti-Derailment Device on Crane and Crab Unit , Non-Sparking Type

Specifications -

The crane structure is manufactured from material according to IS 2062. Designed to withstanding all imposed loadings, with a maximum deflection of 1/750th of the span.
The crane is driven by a matching pair of braked motors the drive being transmitted through a direct, live axle, maintenance free, gear box via hardened and ground helical gears in a sealed oil bath. Operation is via a single reversing contactor type controller, with an automatic slow to fast speed timing device to provide smooth acceleration and a balanced tandem operation with no skidding or crabbing of the crane in any load permutation.
A 600mm wide access walkway with gate is provided along one girder. (Double girder cranes only).
The proprietary series built, hoist unit would be selected from our extensive range of units which have a world wide reputation for reliability, modern design, safety and the very latest manufacturing techniques. The modular design forms a very efficient, compact & visually aesthetic unit. The hoist transmission train is a direct drive type with no coupling. The rope drum is mounted in maintenance free bearings. Located within the hoist bearer frame. The drum is accurately machine grooved to accommodate the hoisting rope in one layer. And is designed to leave a minimum of 3 (three) turns on the drum when maximum lift height is reached.
A rope guide is provided to prevent slack rope and to smoothly guide the rope onto the drum. The rope is securely attached to the drum with 3 (three) rope clips.
The bottom hook block is of the safety type, having fully guarded deep grooved sheaves, running in sealed ball bearings. The hook is a forged steel single point "C" Type, mounted on a ball thrust race and fitted with a spring return safety catch.
The special non-rotating hoist rope is manufactured from high strength galvanised steel, the standard construction is 6x36+SES with a minimum factor of safety of 5:1. Over-hoist/over-lower limit switches, are provided located within the hoist control panel. The electromechanical overload devise prevents the accidental lifting of loads over the safe working load whilst still allowing lowering.
The Hoist & Travel drive motors with integral brake are totally enclosed, fan cooled, squirrel cage induction type, having class "F" insulation with "B" temperature rise, tropicalised and climate proof with a minimum electrical protection of IP55. The motors are specifically designed for crane applications for use in aggressive environments, without the need for anti condensation heaters.
The heavy duty totally enclosed, fail safe, disc brakes are automatically and instantaneously applied when the power supply is interrupted. Brake linings are asbestos free. Electrical control of the complete crane would be from floor level via a heavy duty, weatherproof pendant control station fully mobile across the crane span to allow operation of the crane at a safe distance from the load.
Galvanised tension relief cables to prevent damage to the electrical connections support the pendant. Robust hold-to-run, control buttons, one for each crane function, provide positive operation of all motions. An Emergency stop Button is also provided.
A watertight control panel would be mounted at one end of the crane bridge containing the complete control systems, comprising. A pair of electrically and mechanically linked contactors for each crane motion.
Main and control circuit fuses, control circuit transformer c/w the necessary protection devices to provide reduced operation of the control circuits. The contactors are AC 4 duty for high inching & plugging duty.
A main current supply system, would provide the power supply along the length of the runway. Consisting off a special galvanised 'C' type track systems with sealed ball bearing cable trolley's carrying special flat Neoprene cables type NYNJ. All necessary fittings and supporting brackets to connect to the runway are provided.
A high level terminal box would be provided at one end of the system, together with the necessary vertical cable, terminating in a low level, lockable Isolator switch, for mounting 1500 mm above grade, complete with a suitable gland to accept your incoming supply cable.
Prior to packing & protected for transportation, the crane would be assembled in our workshops & fully inspected & tested, according to our standard testing procedure, which would include full dimensional and functional tests of all crane operations including limit switches.

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Vasim Divekar (Silverline Crane)
Silverline Industrial Engineering International (LLC)., P.O. Box 114518, Dubai, U.A.E., United Arab Emirates
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