20 Ton Double Girder Overhead Crane with traveling trolley

Product Detail

Welcome to consult 20 ton double girder overhead crane with traveling trolley price and quotation with Henan Dowell Crane Co.,Ltd, which is one of the leading 20 ton double girder overhead crane manufacturers and suppliers in China, and we can offer you customized products.

Basic Info.

Model NO.:QD20/5T	Type:Bridge Crane
Application:Construction Usage, Workshop Usage	Sling Type:Wire Rope
Power Source:Electric	Certification:ISO9001: 2000, CE, GOST
Condition:New	Package:Plastic Film or Woven Cloth, and Wooden Box
Specification:CE, GOST. ISO9001	Trademark:CMEC
Origin:China	Rated Loading Capacity:20/5t
Max. Lifting Height:Main Hook 12m, Aux. Hook 14m	Span:10.5-31.5m
After-Sales Service Provided:Engineers Available to Service	Warranty:12 Month
Working Duty:A5,A6	Recommended Rai:Qu70
HS Code:84261120	Production Capacity:1000unit/Year

Product Description

Overhead cranes brief introduction:

1,Mainly composed of bridge, crane traveling mechanism, trolley, electrical equipment, etc. ;

2. three ways to enter to the cab: from side, fromend2,Design and manufactured in accordance with GB/T 14405, 

General Bridge Crane;

3,Widely applied to loading and moving of normal weight in the fixed crossing space and also can work with various special-purpose hoists in special operations;4,It is prohibited to use the equipment in the combustible, 

explosive or corrosives environment. Feature Description:Optimazed designing, smaller wheel load, space saving 

Max. Safe working load  50tFlexible solution for all lifting needsExcellent driving properties, stepless control, smoothly moving .                                     

Mechanical feature 

Dobule welding box girder, DIN/FEM standard deflection.Adopt high quality carbon steel, Q235B or Q345B; (similar as Fe37 or Fe52); Whole length CNC cutting for complete web plate, high deflection accuracy. High quality autometic welding and NDT inspection Shot-blasting Sa2.5 for complete girder after welding, stress releaseTrolley rail is high strength flat steel bar 10.9 class High tension bolts mouting between girder and legs, life time safety connectionhigh quality paiting, 2x2 with 140μm , beautiful appearance End girder is matched with rail buffer and rail clearance device, anti-friction bearings  Full-length service platform along the crane bridge is supplied,where it si equippe with protective hand railing and toe strips. Compacted gearmotor driving, stepless control, hardern gear, safety disck brakeHigh proection class IP54, F class, 40% ED    Electrification and outfitting  slide wire  or C shape slide line conductor power supply.all hoist and crane movements are independent and an be run at same time.  The control panels are finished to withstand corrosion, IP54 The components are positioned in a maintenance friendly way, and the whole layout provides good protection against accidental contact.Cables are coded either with numbers, colours or tags for easy identification   The flate cables used for festoons are PVC insulated flexible flat cables rated for 450/750V, specially designed for cranes, hoists.  Festoon cables are suspended on cable saddles, fixed to cable trolleys, running in a galvanised C-track, which is connected to the main girder with bolted or welded support brackets. Lifting units   Separate trolley structure Flexible element for lifting beam, no bending forces to the trolleyAsynchronous squirrel cage motor F class insulation, IP54 pretectionDC Electromagnetic disc brake Min. two dead rope turns while the hook is in the lowest position.high tensile steel wire rope. Din standard hook     

Safety features:

1. Overload protection: If the material is over the capacity, the crane will give a sharp warning for protection itself. 2. Emergency brake: If the operation staff encounters some emergency situation, we could start the emergency brake system to protection the related treasure. 3. Control Method: Room control or remote control to avoid any injure to the operation staff 4. Main lifting motor: with thermal protection and currency protection. 5. Hooks with latch 6. Rubber buffers 7. Protective earthing 8. Crane switch and travel end switch 9. Sub-assemblies characteristic are tested before assembly. Details parameters


Factory overview:






Certification: