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Chain Pulley Block

Supplier From India
Mar-02-13

Salient Features
Manufactured in accordance with International standard for safety, quality and performance.
Optimal Use of space - Very low head room.
Increased efficiency - Two-stage reduction gear. Hardened Gears & Pinions-supported on roller bearings.
Hardened load sheave with four precision-machined chain sprockets.
Chain sprockets supported on roller bearings for smooth operated and low wear.
Ratchet disc with double ratchet pawls, screw and disc brake are enclosed to protect the complete brake mechanism.
Load chain is alloy steel grade 80 according to International Standard.
Hook deformation indicators - Two strategically placed marks allow for measurement to determine if the throat opening has changed thus indicating abuse or overload.
Equipped with top and bottom safety hooks which are designed to bend slowly to warn overloading and are made in accordance with International standard.
Every chain block is operationally tested to 150% of the rated capacity.
Safety factor : 4 times of the rated capacity.


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All welding are 5 mm fillet
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Front View Side View Capacity (kgs)
A B C D E F G H I J K L M
250
204
104
221
165
175
213
118
69
104
170
6.7
14
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500
254
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263
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130
130
222
9.3
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1000
254
215
317
254
181
263
203
130
130
222
12.7
17
182
1500
310
215
360
275
235
267
200
129
177
267
28.0
14
178
2000
349
241
381
304
250
300
300
184
206
305
12.7
17
210
3000
349
241
381
304
260
308
300
184
206
305
15.5
19
210
5000
400
315
480
570
400
500
335
225
250
460
20.0
33
315
Note
Drum : Graded Cast Iron
Worm : EN 8 or 9 heat treated
Wretch : EN 8 or 9 heat treated
Bearing : Thrust
Side plate : Mild Steel
Thickness of side plate : 8 mm
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Motor
CROMPTON/ GEC/ KIRLOSKER" Make Slipring Crane Duty Motor 960 RPM, 440 Volt, 3 phase, 1 Hr. rated 40% ED as per IS: 325 having 'B' Class insulation.
Drum
Made from Rolled steel as per IS:226 of adequate thickness with side flange. Drum running on Bearing to take adequate rope length.
Shaft
Forged from EN-8 steel machine fitted with Drum. Chassis: Fabricated from joist of adequate size as per IS: 226 to take all shocks. All the stands on the chassis are Boxed type.
Reduction
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Break
Electro Magnetic Hydraulic Thruster Brake of reputed make.
Mechanical Bend Brake with screw system with Ferrodo Brake lineing.
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Coupling
We will provide flex. Brake Drum coupling on the out put of motor & Input of Gear Box.
Flex. coupling pin type on the output shaft of the Gear Box & In put shaft of the pinion.
Controls
Drum controller of TAC Make 5/7 steps. Forward & Reverse mtio.
Control panel in sheet in sheet metal Box for dust, heat & water resistance containing of :
Isolator
Overload Relay
Contector
Single phase preventor
FuseHrc.
Amp. Meter
Voilt Meter (h) Neon Lamp Push Button for start & Stop Resistance Box 10 Minute rating.
Wiring & Pairrting
We will provide all wiring from weather proof ar mured copper cable of adequate size & the Winch will be painted by two coats of primer & Two coats of Grey paint.
Operator seat
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Note
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General Description
SKID Frame Type- Frame made out of heavy steel sections
M.S. Drums
M. S. Gear & Pinion. Teeth Cut on Gear Hobbing Machine for Perfect Pitch.
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Hydraulic Thrustor Brake
ElectroMagneticBrake
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Manual Brake
Carbon Steel Shaft
A Safety Ratchet System
All controls within reach of operator.
Variable Speed Motor.
Load & Speed as per Requirement of the Customer.
Detail required for submission by Customer
Rope pull in Tons ( Capacity)
Speed required Mtr./per Min.
Rope size & Length required on Drum.
Available Elec. Current supply.
Description of Application.
Other accessories required with.
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