Shield Roof Support

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Patent Number: ZL200920031316.1

The shield roof support is one of our products that are produced by using the patented technology of our company. It has high structural strength and fast moving speed, suitable for mechanized coalface of various coal seams as well as for many kinds of mining methods. It can be equipped with an electro-hydraulic control system to realize unattended operation.

Our shield roof support has a wide shield beam which can prevent the gangue in the goaf entering the operating space. The upper end of the shield beam is connected with the top beam by hinges and the bottom end is connected with the base by the front and rear connecting rods. The base, front and rear connecting rods, as well as the shield beam form a four-bar linkage which can maintain stable distance between beams and withstand horizontal thrust.

Standard Compliant: MT312-2000, MT/T154.5--1996

Specifications

Model	ZQY2800/07/14	ZY3200/09/21	ZY6800/95/17	ZY4000/13/30	ZY6400/17/35	ZY10000/25/55
Height (m)	0.7-1.4	0.9-2.1	0.95-1.7	1.3-3.0	1.7-3.5	2.5-5.5
Width (m)	1.40-1.57	1.42-1.59	1.43-1.60	1.43-1.60	1.43-1.60	1.6-1.82
Center distance (m)	1.5	1.5	1.5	1.5	1.5	1.75
Working resistance (kN)	2800	3200	6800	4000	6400	10000
Setting load (kN)	2180	2008	5050	3096	4555	7980
Supporting strength (MPa)	0.51	0.42-0.57	0.85-0.9	0.60-0.72	0.92-1.06	1.28
Floor pressure (MPa)	1.8	0.7-1.3	1.3-1.55	0.9-1.75	2.66-4.82	2.64
Force required to move the armored face conveyor (kN)	178	178	179	178	633	1000
Force required to pull the support (kN)	207	306	306	455	360	650

Note: The above product models are only for reference. For more products and their detailed information, please contact us. We can also investigate the geological conditions of your colliery and then design and produce suitable products.

Related Names
Hydraulic Roof Support | Mobile Mine Roof Support | Longwall Mining Shield Support

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