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A specially designed ditch cleaning machine [Nalah] is capable of removing silt and solid material from open nallahs of width about 1.5 meters and depth about 3 meters below ground level by hydraulically operated bucket and boom arrangement.
The machine is mounted on truck chassis. Scooped out silt/debris is to be offloaded directly in the collection body mounted on truck chassis and will be transported to the designated disposal ground where collected debris to be emptied by means of hydraulic tipping of the truck body.
Major components as under:
Truck chassis
Collection body
Hydraulically operated desilting machine
Controls
Hydraulic power transmission system
| Performance | |
|---|---|
| Max depth below ground level | 3.0 mtr. approx |
| Arm radius | 5.0mtr. approx |
| Max lifting height | 4.8 mtr. approx |
| Lateral box extension | 0.8 mtr. |
| Bucket capacity | 0.05 cu.m [50 kgs] |
| Slewing angle | 90 degree |
| Body capacity | 2.5 to 3 cu.m |
| Base structure |
Side hoe type box section arrangement having hydraulic telescopic boom extension up
to max 800 mm. Telescopic boom is provided with nylon pads for precise boom setting. Internal housed extension cylinder in lateral box extension assembly. |
|---|---|
| Booms | Booms are articulated cum telescopic type. Booms made from rectangular box section of high tensile steel having yield strength of min 70kg/mm2 Boom The whole structure is mounted on heavy duty slewing ring bearing. The boom can be folded down on the tipper body. Booms are articulated and telescopic type. The telescopic boom is hydraulically extended and retracted type. Telescopic boom is facilitated with heavy duty nylon pads for precise and smooth boom movements. |
| Bucket | 50 kg capacity Bucket width-300mm suitable for ditch cleaning. |
| Hydraulic cylinders |
Double acting hydraulic cylinders having precision honed M.S tubes and induction
hardened deep grounded chrome plated piston rods providing smooth operation, long
steel life and resistance against corrosion.
Main boom cylinder-1 no Stick cylinder-1 no Bucket cylinder-1 no Stabilizer cylinders-2 nos Extension cylinder-1 no |
| Hydraulic pump | Dowty or Reputed makes gear pump having suitable capacity. |
| Hydraulic oil tank | 60 liters min with accessories like suction strainer, return filter, oil level gauge etc. |
| Drive | Hydraulic pump drive is taken from vehicle’s engine through vehicle fitted PTO. |
| Controls | Lever operated controls are provided near operator’s seat. Independent controls for stabilizers. |
| Stabilizer | 2 numbers Hydraulic operated stabilizer. Independently operated hydraulic stabilisers. During the operation, these hydraulically operated outriggers when lowered to the ground to provide stability to the equipments during the operation. |
| Slewing | 90 degree slewing by hydraulically Heavy duty slew ring bearing is fitted on lateral box with high tension bolts and nuts. |
| Hoses | SAE R2 steel wired reinforced hydraulic hose is suitable for delivering hydraulic oil. Beside it should convey the oil without producing excessive heat and leak. |
| Accessories |
Operator’s seating arrangement. Lock valves to stabilizers cylinder. Lateral box tightening arrangement. |
| Silt collection Body |
Hydraulically tipping type Capacity-2.5 -3 cu.m Size of tipping body Length :3000 mm Width :1900mm Height :500mm Tipping angle-40-45 degree |
| Material |
Floor : 3.0mm MS sheet Sides : 2.0mm MS sheet Door : 2.0mm MS sheet |
| Accessories | Pressure relief valve Lock valves to stabilizer Mudguard Adjustable operator’s seat Steps to climb the operator’s seat Reflector-2 nos |
| Paint | Two coat of epoxy primer Two coat of PU/synthetic enamel |
