20 Ton Overhead Crane Ld Model Single Girder Overhead Crane

Part 1: Description & Application
LDP single girder overhead crane is a kind of light duty lifting equipment, which meets customer's low headroom clearance requirements by mounting the electric hoist on the top of the main girder, then increase its lifting height of hook and maximally reduce the cost of investment on construction.
With its reliability, high performance, easy maintenance, widely used in workshop, where with low headroom and working ambient -25degree to 40 degree.

Part 2: Detailed Configuration
1-Lifting Mechanism
– Monorail wire rope hoist or chain hoist as option
– Specially designed hoist trolley moving on the top of main girder
-lifting speed: single or dual as per required
– Trolley Speed: Single or Dual or Step less as per required
– High performance with most economical price.
       
2-End Carriages
– Rigid welded box type end carriage
– Modula design
– Cone squirrel cage motor or soft start motor as option
– Traveling speed: Single or Dual or Step less as per required

3-Main Girder
– Rigid welded box Girder or sturdy hollow steel section
– Modula design
– Made of steel Q235 or Q345
– Designed Deflection≤1/750 of span

4-Control
– Independent pendent control travel along C-track
– Or wireless control as option
– Or cabin control as option

5-Electric Part
– Conductor power supply (as option)
– The control panels are IP54 or IP44 depends on working ambient.
– The components are positioned in a maintenance friendly way, and the whole layout provides with good protection
– Festoon cables are suspended on cable saddles, fixed to cable trolleys, running in a galvanized C-track.
– Main electric part in brand Schneider or Siemens

6-Painting
– Corrosion protection through rust removal by mechanical shot blasting SA 2.5
– First layer of coating epoxy 30 microns
– Second layer of coating epoxy 30 microns
– Third Layer of coating of polyurethane 40 microns
– Average thickness: about 100 microns
– Color: yellow or Orange as per requirements

7-Safe Protection
– Emergency-off switch
– Overload protect
– Earth protection
– Cross travel and long travel protection
– Lifting travel protection
– Overheating protection of motor
– Lightning protection as option

Part 3: Tailor-made for Customer

– Girder can be divided into pieces and connected with bolts at site to reduce the transportation cost
– Frequency converter systems realizing infinitely variable speed control and minimal load swing for your precise loading and unloading requirements.
– Low head room design for your limited working space.
– Big span over 35M
– High traveling speed for high working efficiency

Part 4: Sketch & Technical Data