Hot Sale Customized 20 Ton Hydraulic Grab Bridge Crane With Grab
Capacity 20t
Description of single girder overhead crane
Grab bridge crane is widely used for hoisting of common goods in
various factories and mines.
Wheel base determination principle
The principles for determining the wheel base of grab bridge crane
are as follows:
(a) it can meet the stability requirements of gantry along the
crane track direction;
(b) the physical dimensions of the cargo shall be able to pass
through the flat steel frame of the supporting legs;
(c) pay attention to make the wheel base B and span S into a
certain proportion, generally take wheelbase B= (1/4 -- 1/6) S.
Application:
1. Grab bridge crane is widely used for loading, unloading and
transportation of bulk materials in power plants, freight yards,
workshops and docks.
2. Grab bridge crane cranes are all heavy duty working system.
3. All the mechanisms of grab bridge crane are operated in the
driver's cab, and the directions to enter the platform door of the
cab are: end in, side in and top in.
4. The rated lifting weight of grab bridge crane includes the
weight of grab.
5. There are two kinds of parallel vertical girder in the opening
direction of grab.
Technical parameter of single girder overhead crane
| Loading capacity | 0.5 ~ 32t |
| Lifting height | 3 ~ 30 m or customized |
| Lifting speed | Vary with lifting capacity, or customized. |
| Span | 7.5~31.5 m |
| Lifting mechanism | Wire rope hoist or electric chain hoist |
| Working class | A3 ~ A5 |
| Working temperature | -20 ~ 40 ℃ |
| Power supply | AC-3Phase-220//230380/400/415/440V-50/60Hz |
| Control voltage | DC -36 / 48V |
| Motor protection class | IP54 |
| Control way | Cabin, wireless remote, pendant push button. |
| Safety device | Buffer,current overload protection,overload device,power failure
protection |
| Application area | Factory,workshop,warehouse,power station,logstic,etc. |
| Painting color | Yellow,Red or Customzied |
Advantage of single girder overehad crane
Four picking pieces are driven simultaneously, powerful grasping,
high stability, and easy operation.
Simple and durable structure; Easy to grab objects; High
efficiency.
The electric hydraulic grab adopts electric and hydraulic
mechanical techniques for large grabbing forces and high
automation, and the product is an ideal and unloads tool for large
materials!
Widely used in demolition, water conservancy, earthwork, ores, pig
iron, wasted iron, wastes and so on.
Configuration of single girder overehad crane
1. Lifting motors(ABM)
2. traveling motors ABB, Siemens, (Three-in-one type)
3. Electrics are Schneider,
4. SKF bearings
Safety feature of single girder overehad crane
1. Weight overload protection device
2. Top quality durable polyurethance buffer
3. Crane traveling limit switch
4. Low voltage protection function
5. Emergency stop system
6. Current overload protection function
7. Warning lights
8. Weight overload protection device
Q&A
1. What's information should I provide to get the price?
More parameters, such as lifting capacity, lifting height, span,
power supply, etc. And if you can give us your design drawing, that
will be very helpful.
2. Which kind crane can you provide?
Weihua is a famous leading manufacturer with experienced designers,
engineers and a 600- people R&D team to provide all kinds crane
with customized parameters.
3. What services can you provide?
We have a complete pre-sales&after-sales service system, and
our engineers are available overseas. And we also provide training
for your crane operators.
4. Which brand are the accessories and electronic components in
your cranes?
We have a long term cooperations with ABB, Siemens, Schneider, ,
etc. And we have world-leading processing machines which are
imported from Japan and German.
5. Do you provide crane spare parts?
Yes, of course, we can provide motors, reducers, brakes, hooks,
remote controllers, wheels, crane rails, end carriages, enclosed
busbar and so on.
