Double girder gantry crane composed of gantry,trolley traveling mechanism, cab and electric control system, the gantry is box-shape structure, the track is at the side of each girder and the leg is divided into type A and type U according to user's requirements. The control method could be ground control, remote control, cabin control or both, in the cab there are adjustable seat, insulating mat on the floor, toughened glass for the window, fire extinguisher, electric fan and auxiliary equipment such as air condition, acoustic alarm and interphone which can be furnished as required by users. This double girder gantry crane is beautiful design and durable and widely used in open-air warehouse, of course, also can be used indoors, but please let us know the condition in your workshop, just tell us your demands, we can design the most suitable crane for you.


Main Body:
*Double girder, welded box beams, the camber line is according to national standard.
*High safety, high steel degree
*Adopts high quality carbon steel, Q235B or Q345B.
*The main weld is by submerged arc welding automatic welding, nondestructive flaw detection
*The end truck adopts 10.9 high strength bolt connection.
*The crane traveling mechanism adopts separated driving, and it can use trinity drive too, safe and reliable.
*End beam equipped with buffer block, orbital cleaning device.


Feature:
1)Reasonable structure
2) Favorable performance
3) Smooth starting and stopping
4) Safe and reliable traveling
5) Low noise,commodious cabin and aoodview
6)Convenient maintenance,excellent exchangeability for parts and components


Safety device:
Overload protection,
Main lifting motor with thermal protection,
Hooks with latch,
Rubber buffers
Protective earthing,
Crane switch and travel end switch,
Emergency switch can stop all movement when any dangerous happened,
Sub-assemblies characteristic are tested before assembly.
All cranes must be preassembled and tested before leaving factory and offer the certification of test.
Technical Parameters:
Parameter of mobile electric trolley double beam girder gantry cranes | |||
| Capacity/ Lifting Weight | T | customized | |
| Span | m | 10~50 | |
| Max Lifting Height | Main Hook | m | 9~50 |
| Aux Hook | m | 9~52 | |
| Operation Method | Cabin control, wireless controller | ||
| Speed | Lifting | m/min | 10/11 10/12 |
| Handcart travel | m/min | 37 36 | |
| Cart travel | m/min | 39.4 38.5 | |
| Lifting Mechanism | type | Electric winch trolley | |
| Steel Track | P38, P43, P50, QU70, QU80 | ||
| Working Classification | A5-A7 | ||
| Power Supply | AC | 3-Phase A.C 50/60Hz 220~480V | |
| Main electric parts | famous brand | ||
| Weight Overload Protection Device | Included | ||
| Crane Traveling Limited Switch | Included | ||
| Voltage Lower Protection Function | Included | ||
| Motor | Heavy duty slide ring type, top quality in China | ||
| Gear and Wheel | Manufacture good quality types by our own factory | ||
| Wire rope | Steel core | ||
| Hook and Pulley | Close type | ||
| Buffer | Polyurethane material | ||
| Anti-collision System | Included | ||
| Brake | Electric hydraulic | ||
| Remark | Above information just for reference, detail parameter based on different lifting weight. Our products are customized; all the specifications is depend on your requirement | ||
Our After-sale Services-- within 24 Hours:
(1) Before--Sale Service :
01:Quality Control: Strictly Production Request base on signed contract ;
02:Delivery Time: Guarantee within contracted delivery time ;
03:Photos: Send photos to our customer after finish production and packing ;
04:Packing Details:Give complete packing size table to our customer;
05:Brand: Respect our customers' advice to use our customers' own brand & logo ;
06:documents:Provide high efficiency service to post you all required customs clearance documents by DHL or TNT .
(2) After--Sale Service :
01:Reply : Fast reply all your questions on line or by email or by telephone ;
02:Quality Problems:Our factory is responsible for any problems if it is resulted by our reasons (Such as give you free new parts to repair it or give enough some compensation cost to you) ;
03:Safe Operating: Pls remind your customers to respect our Operating Manual to operate our machine rightly, to guarantee Safe when operate our machine.


LINKS : Dongqi Crane