Hydraulic Roof Supports Product Introduction
Hydraulic roof supports control the height, and provide support to the mine roof of the working face during the coal mining process, allowing armored-face conveyors and shearers to operate underneath. The hydraulic roof support generally accounts for over 50% of the total value of a coal mining and excavating system.
Hydraulic Roof Supports Main Characteristics
Simple structure, easy to handle, convenient to raise and low down.They can be used different kinds of top plate such as fragment top plate, crush when mining, old top plate periodic pressure unclear.
Hydraulic Roof Supports Technical Parameters
|
model
|
Support height m
|
Resistance KN
|
Supporting strength MPa
|
Bottom plate pressure MPa
|
|
ZY2800/13/28
|
1.3-2.8
|
2800
|
0.68-0.76
|
1.1-1.8
|
|
ZY3800/16/32
|
1.6-3.2
|
3800
|
0.65
|
1.4
|
|
ZY4000/13/28
|
1.3-2.8
|
4000
|
0.58-0.67
|
1.57-2.35
|
|
ZY5000/13/27
|
1.3-2.7
|
5000
|
0.77-0.85
|
0.9-1.8
|
|
ZY6700/20/40
|
2.0-4.0.
|
6700
|
1.06-1.09
|
1.6-2.85
|
|
ZY9000/24/50
|
2.4-5.0
|
9000
|
1.08-1.1
|
1.6-2.8
|
|
ZY13000/30/65
|
3.0-6.5
|
13000
|
1.12-1.15
|
1.8-2.9
|
Hydraulic Roof Supports Figure Photos
