QD Double Girder Heavy Duty Overhead Crane
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 Parameter
| Capacity |
5-500 |
| span |
10.5-31.5 |
| Work duty |
A3-A7 |
| Power supp;y |
Three Phrase Alternating Current |
| Lifting Height |
12-15m |
Advantages
1. the limiting size is the lowest between the top and the track of trolley, that is to say, it reduces 20% -30% room space compared with traditional products, which can reduces the capital of workshop 20% efficiently.
2. It has hard- tooth reducer, imported wire- rope ,and trinity drive system. It is equipped with such protecting devices as alarm device to overloading.
3. Obliquely hanging, second protecting equipment preventing hook clashing the top, protecting the current lacking of any phrase etc.
4. The electric appliance adjusts speed without contact or spark module ,and fulfill the converter function, including mini-speed and double speed, which makes traveling and lifting very steady.
5. The operating board (handle) adopts 12V safe voltage to fulfill multi-function to gantry hoist.
6. The electric controlling can be used more than 2 million times when the voltage is 380v +5~10%.
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
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.
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