4 Leg Chock Shield Roof Support

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Patent Number: 20082000005.4

Before the 4 leg chock shield roof support was developed, all mechanized mining brackets had such a problem that the top coal would be broken due to repeated support. This patented product successfully solves the dilemma of support and cut by using small supporting force to retain the top and large supporting force to cut the top. Applying this technology also reduces the weight of the equipment. In addition, using large force to cut the top coal can apparently increase the recovery rate of top coal.

Technical Parameters

Transport dimensions	4760×1600×1430mm³
Height	1610~2600mm
Width	1430~1570mm
Center distance	1500mm
Leg	3×φ 160 1×φ 200
Setting load	2886KN (P=31.5MPa)
Support resistance	3500KN (P=38.2MPa)

Note:
1. The above data are just for reference. For more detailed product information, please contact us.
2. We can also design and manufacture products according to the actual geological conditions of your colliery.

Related Names
Underground Roof Support | Hydraulic Support Equipment | Coal Mine Safety Machine

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