Product Description:
LDA model single girder EOT crane is a kind of light duty crane, with the capacity of 1 to 20 tons. The span is 7.5to 31.5 meters. Working duty is A3 A4. Working environment temperature is -20°C to 40°C.
LDA model single girder EOT crane consists of main beam,end beam,electric hoist,festoon cable and electric control system,It is widely used in plants, warehouse, and material stocks to lift goods.
LDA model single girder EOT crane is matched with electric hoist which is CD model or MD model.
It is prohibited to use the equipment in the combustible, explosive or corrosives environment.
Mechanical Parts：
1.Steel plate cutting adapt whole sets Messer CNC plasma cutting machine from Germany, very fast cutting speed, little deformation, High precision, Deviation could be controlled within 1mm, it insure the raw material at high quality standard and can reach top level in the industry.
2.The welding of main beam adapt high efficiency and intelligent welding robot, Henan Mine Crane Co.,LTDare No.1 enterprise who adapt this high technology machine. The welding joint inside of the main beam adapt advanced MAG welding, adapt Ar+CO2 mixed protective gas, The 4 welding joint outside of the main beam adapt automatic submerged-arc fillet welding machine.
3.The welding of main beam adapt radiographic inspection and ultrasonic flaw detection for the welding joint and fillet weld position
4.The welding of end beam adapt double gun gantry submerged arc welding, highly welding quality ensure the stable quality of the crane effectively.
5.Adapt the steel plate rolling drum and wireless steel tube, Henan Mine Crane Co.,LTDhas a set of steel plate rolling drum producing and processing line which is industry-leading level. From pre-bending by 1250t press machine, to Edge rolling by three-roller plate roll, at last the longitudinal joint and circumferential joint of drum are welded by automatic welding center and drum processed by heavy duty CNC horizontal machine tool.
6.The wheel and wheel axle and treating by high efficiency quenching and tempering, it can eliminate the internal stress effectively and ensure the processing precision,
7.Henan Mine Crane Co.,LTD has top advanced processing and manufacturing equipment and processing technology in the crane industry all over China, at the same time, Henan Mine Crane Co.,LTD take the head in achieve the best and better management, best and better manufacturing, Try the best to ensure the Henan Mine Crane Co.,LTD product quality and satisfy the demand of customer.
Safety System:
Long and cross travel limited by means of preliminary and final limit switches or Wireless anti-collision device
Anti-falling protection for the Three-in-One electric motor of trolley and crane prevents from accidental falling
All movements can be switched off by actuating the emergency-off switch at the control station via a main contact
High quality long time bearing polyurethane materials buffer fixed at the end of trolley travelling and crane travelling to prevent over traveling
Safety hook latch used for avoiding the lifted material out off from the hook
Audible and visual alarm device to inform the person stay near by the travelling crane.
Rain Cover for lifting mechanism of outdoor cranes, electric cabinet and driving mechanism
Protective earth conductor is fitted as standard
Voltage lower protection system
Current overload protection system
Design Standard:
Safety rules for lifting appliances GB6067.1-2010
General Bridge Crane GB/T14405-2011
General Gantry Crane GB/T14406-2011
Overhead crane and gantry crane manufacturing and tolerances of rail installation GB/T10183-2005
Crane test specification and procedures GB/T5905-1986
Crane electric control equipment JB/T4315-1997
Important application wire rope GB8918-2006
Carbon structure steel GB/T700-2006
Low alloy high strength structure steel GB/T1591-2008
Welding joint radiographic inspection standard JB928-1994
Steel welding joint manual ultrasonic flaw detection way GB11345-1989
Product technical parameters:
| Lifting weight(T) |
3 |
5 |
10 |
16 |
20 |
| Span(m) |
10.5~31.5 |
| Max Lifting height(m) |
6~30 |
| Working class |
A3 A4 |
| Main Hoisting Speed(m/min) |
8,8/0.8 |
8,8/0.8 |
7,7/0.7 |
3.5,3.5/0.35 |
3.5,3.5/0.35 |
| Trolley Cross Traveling Speed(m/min) |
20,2~20(frequency inverter) |
| Crane Long Traveling Speed(m/min) |
30,3~30(frequency inverter) |
| Motor Type |
Squirrel cage motor |
| Motor (Kw) |
Main Hoisting |
4.5 |
7.5 |
13 |
13 |
18.5 |
| Trolley Cross Traveling |
1*0.4,1*0.8,2*0.8 |
| Crane Long Traveling |
2*0.8,2*1.5,2*2.2 |
| Control mode |
Pendent line control,Remote control,Cabin control |
| Recommended Rail model |
24kgs/m |
30kgs/m |
38kgs/m |
43kg/m |
| Power source |
|
3Ph A.C 50Hz 380V |
Henan Mine Crane Co.,Ltd is the largest industrial crane manufacturer in China since 2002. Main products are Electric hoist/Overhead crane/Gantry crane/Grab crane/Magnet crane/Ladle Lifting crane/Explosion proof crane/Container gantry crane/European type crane and hoist /Electric Winch,Jib crane,Scissor Lift/Crane components. We have 4500staffs,1420000m2 workshop area,3500sets of various advanced equipments,yearly sales 100000sets of crane and hoist, ISO,CE etc certifications, cranes are exported to 120countries.
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