- Four-rope paina grab is of new
design, reasonable structure with dead weight ratio of material
grabbed and grab to be 1.5~1.*2 and full capacity of *5~**0% that
is a wonderful grab for loose material of small
pencil.
Advantages
- Comparing to the traditional
four-rope grab, the four-rope paina grab has following
advantages:
1. the lower support beam is
shorter, with well strength and light dead
weight.
2. bush material for the main point
is of bearing steel, that service life will pre-long 4~5
times.
3. distance between edge plate is
small (0.3~1mm) that can keep the work area to be
clean.
4. stable structure that can be easy
installation and operation.
Main Technical
Parameter
- Volume: From 1 to *0
m3;
- Type: It can be divided into
light, middle and heavy type according to the material it will be
grabbed;
- Material gravity: It can be used
for almost all material as coal, ore and so on;
- Weight of material to be grabbed:
The max. Weight of material to be grab is *0t, and we can design
and manufacture according to your requirements;
- Pulley ratio: The pulley ratio of
this type of grab can be 4, 5 or 6;
- Number of rope for open-close:
2;
- Number of rope for hoist-lower:
2;
- Wire rope diameter: Changed from
*4mm to *8mm, or according to your work
requirements;
- Pulley diameter: Ranged from **0mm
to **0 mm, or according to your work requirement;
- Times needed for open-close: About
*4s;
- Max. Open size: From 1.8m to
5.0m;
- Other technical parameter: Other
parameter can be designed and fabricated according to real
requirements.
Manufacture
Period
- Manufacture period for one set of
such grab is *0 working days after receiving the payment
advance;
Package and
Transportation
- The four-cable grab can be
transported by container, bulk cargo or train with main structure
naked or covered by rain-proof clothes.