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.
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
Technical Characteristics:
1) Hard-tooth surface of reducer
2) Steel winding drum
3) Imported rope
4) Converter function of adjustable speed without contact or module
5) Intelligence controlling
6) Trinity drive
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 |
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.
cause this is a kind of customized product, please kindly provide us the following information:
1. Lifting capacity.
2. Span length. (rail center to rail center)
3. Lifting height. (hook center to ground)
4. Do you need bus bar, rail from us?
5. Local power supply 380V 50Hz 3P?
6. Working condition: What goods to lift?
7. Drawings of working place would be appreciated.
Audited Supplier 
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