Categories | Launcher Crane |
---|---|
Brand Name: | Dowellcrane |
Model Number: | JQJ Beam Launcher Girder Crane |
Certification: | ISO CE BV CCC GOST SGS |
Place of Origin: | China (Mainland) |
MOQ: | 1 Set |
Payment Terms: | L/C, T/T |
Supply Ability: | 2000 Sets per Year |
Delivery Time: | 60days |
Packaging Details: | Electric and other parts are packed by high quality plywood crates, Main girder packaged by plastic film and woven plastic cloth |
Electric current: | 380V 50Hz three-phase |
Span: | 20-50m |
Condition: | New |
Power Suplly Mode: | Cable Drum or Line sliding |
Work Duty: | A5-A7 |
Lifting mechanism: | Electric Trolley |
Company Info. |
Henan Dowell Crane Co., Ltd. |
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Product List |
300T Customized Expressway Bridge Truss Steel Structure Girder Beam Launcher
Product Description
300T Customized Expressway Bridge Truss Steel Structure Girder Beam
Launcher are lifting equipment that pass through materials in
workshops, warehouses and yards. Because its ends are located on
high concrete columns or metal supports, bridge cranes are the most
widely used bridges.
The bridge extends longitudinally along the tracks on both sides of
the elevated side, which can make full use of the space under the
bridge to lift materials without being hindered by ground
equipment. It is the most widely used and largest number of lifting
equipment.
Product Composition
It usually consists of three parts: mechanical, electrical and
metal structures. It is shaped like a single-span flat bridge with
two ends supported on two parallel overhead rails. It can be
roughly divided into lifting mechanism and trolley operating
mechanism. And shopping cart run organization.
During the whole process, the lifting mechanism is used for
vertical lifting and lifting; the trolley running mechanism is used
for lateral load movement; the trolley walking mechanism is used
for lifting the trolley and the longitudinal movement of the
articles to achieve three-dimensional space. Used to handle and
load cargo.
The above-mentioned metal structural components are reasonably
arranged by various devices, so that the bridge crane can be used
not only for loading and unloading in open-air warehouses, storage
yards, railway freight stations, ports, etc., but also equipped
with various special hooks. Carry out various special businesses.
There are also rules regarding choice. Under normal conditions, the
lifting capacity is less than 50 tons, and the maximum hoisting
machinery span is within 35 meters. It is recommended to use
single-girder bridge cranes without special requirements. If the
width of the door legs is required, the working speed is high, or
heavy and long parts are often lifted, then a double-beam portal
crane is required.
During operation of an overhead crane, slipping sometimes occurs.
In order to eliminate this undesirable phenomenon, it is necessary
to first analyze the cause of slippage and take corresponding
measures according to different reasons.
For example, the correct selection of a bridge crane matching motor
should not be too large; at the same time, the bearing capacity of
the bridge crane and the load capacity of the wheel load should be
calculated to ensure that the wheel has sufficient pressure on the
wheel surface. In addition, the starting and braking time of the
equipment must be properly controlled.
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