QD type double girder bridge crane, its trolley is bigger and stronger than LH type, reducer and brake separately. And this is the most important factor for working 24*7 hours per day. And this kind of heavy duty crane, it is widely used in plants, warehouses, materials stocks to lift goods or materials.
QD type crane mainly consists of two strong bridge beams, crane travelling mechanism, electric winch trolley and electric system, and could be classified into several working duties, e. G. A5, A6, A7, according to the working frequency and pure working time.
QD Double Girder Overhead Crane is applied in open warehouse or rail sideways to conduct common loading unloading and material handling works.
Features:
1) Reasonable structure
2) Favorable performance
3) Smooth starting and stopping
4) Safe and reliable traveling
5) Low noise, commodious cabin and good view
6) Convenient maintenance, excellent exchangeability for parts and components
7) Saves electricity
Some Technical Parameter
| Capacity |
5-500 |
| span |
10.5-31.5 |
| Work duty |
A3-A7 |
| Power supp;y |
Three Phrase Alternating Current |
| Lifting Height |
12-15m |
Technical Characteristics:
Hard-tooth surface of reducer
Steel winding drum
Imported rope
Converter function of adjustable speed without contact or module
Intelligence controlling
Trinity drive
Notes:
This product is widely applicable in factory, warehouse, logistics etc, but it strictly forbid to use in such dangerous operating as easily combustible, explosive, corrosive, acid, alkali, plating, steam, heat liquid, overloading , dust etc.
Safety insurance:
1. Our cranes are all equipped with weight limiters, buffer, distance limit switch, voltage protection equipment, and emergency stop system and so on.
2. The equipment is controlled by central control system.
Quality guaranty:
1. The quality of our crane would be guaranteed for one year, in this period, if any quality problem happens under correct operation, we will be responsible for repairing of replacing it for free.
2. Low charge for maintenance when warranty is expired.
Audited Supplier 
){kind=link}
){kind=link}