| 摘要 |
1. A supporting mine lining, the roof bar of which has hydraulic supports with sill pieces as foundation, and the whole structure is spragged between the roof and the floor, while at the caving end of the sill piece in the lining structure is a mechanism of longitudinal stabilization made up of a support with adjustable length and with an articulated fastening to the sill piece and joining the support to the sill piece according to patent no. 155756, characterised in that the support fixed to the end of the sill piece (1) is in the form of a longitudinal resistance shield (2,3) of characteristic height, and the connecting member between the shield and the cross-bar (5) has the form of an asymmetric double-arm lever (4) fixed to the cross-bar (5), the end of the longer arm being fastened by an articulated joint to the extensible panel (3) of the shield (2,3).<IMAGE>
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