20t ~900t double girder overhead crane
According the usage condition and its different lifting device,
double girder overhead crane mainly has following type:
1. double girder overhead crane with hook including QD type and LH
type
QD type double girder overhead crane: its lifting
device is hook. and its hoisting trolley is winch structure.
LH type double girder overhead crane: its lifting
device is also hook, its hoist trolley is electric hoist.
2. double girder overhead crane with grab (QZ type)
QZ type double girder overhead crane: its lifting
device is grab.
3. explosion-proof double girder overhead crane (QB type)
QB type explosion-proof double girder overhead crane
is used in hazardous environment, such as explosive gas
condition, for example oil plant, gas station, mine.
4. double girder overhead crane (QDY type)
QDY type double girder overhead crane is
specially used in high temperature working condition such as steel
plant, it is used for handling hot steel plate, etc.
5. double girder overhead crane (YZ type)
this YZ type double girder overhead crane is higher
level crane used in steel plant and foundry for hanlding liquid
metal and hot metal.
6. double girder overhead crane with electric magnet (QC
type)
QC type double girder overhead crane: its lifting
device is electric magnet.
7. double girder overhead crane with two trolley (QE type)
QE type double girder overhead crane have two
independent trolleys.
8. other specially used crane for industy.
we are China leading crane supplier, every year we produce about
6000units double girder overhead cranes.
double girder crane Specifications :
Lifting Capacity : 20t~900t
Span: 4.5m to 41.5m
Lift height: 3m to 60 m
Working duty: A3(M3), A4(M4),A5(M5), A6(M6), A7(M7).
CE, TUV, GOST certificate, Top quality
Common working conditions:
1. Working temperature: -25-+45 degree
2. Work moisture: <85%
3. Flammable,explosive and corrosive gas are forbidden in the work
environment, there will be special used crane for these
environment.
common double girder overhead crane
Common configuration:
1.control methods: Pendant control or remote control cabin control,
Or Driver's room.
2. drive units: motor+gear box+brake
3. safety device: overload limit, travel limit, overspeed limt,
etc.
4. Shrouded DSL system for trolley power feeding
5. Electric control box: standard is CHINT electric,
Schneider-electric is for choose .
overhead travelling crane
Features & advantages:
· 1. Reasonable structure, light dead weight
· 2. Favorable performance, accurate and smooth lifting.
· 3. Safe and reliable traveling
· 4. Low noise, easy operation,
· 5. Convenient maintenance, high exchangeability for parts and
components
· 6. Main girder: box-shaped girder .
