Modular ladder assembly for mine raise

E - Fixed Constructions – 06 – C

Patent

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Details

E06C 1/10 (2006.01) E06C 9/08 (2006.01) E21D 3/00 (2006.01) E21F 13/00 (2006.01)

Patent

CA 2286911

The modular ladder assembly (20) is to be installed in upwardly inclined mine raises (10) having a peripheral wall (12) and upper and lower ends. The ladder assembly comprises a number of transverse cross-bars (24) transversely and releasably attached to the mine raise peripheral wall, in vertically spaced successive fashion. A ladder section (38) is releasably attached between each two successive cross-bars, by means of brackets (40, 42) provided therefor at the top end of the ladder section. Each two vertically successive ladder sections can be releasably attached to each other in end to end fashion, thus forming a removable continuous ladder along the mine raise. Removable rails (66) are also provided adjacent the continuous ladder, for allowing an equipment-carrying carriage to move therealong.

Ensemble échelle modulaire (20) conçu pour être installé dans des montages (10) de mine inclinés vers le haut et possédant une paroi périphérique (12), ainsi que des extrémités supérieure et inférieure. Cet ensemble échelle comprend plusieurs barreaux transversaux (24) fixés de façon détachable et dans le sens transversal de la paroi périphérique du montage de mine, dans un enchaînement successif à espacement vertical. Une section d'échelle (38) est fixée de façon détachable entre chacun de deux barreaux successifs au moyen de supports (40, 42) situés à cet effet à l'extrémité supérieure de la section d'échelle. On peut fixer de façon détachable chacune de deux sections d'échelle successives dans le sens vertical, l'une à l'autre et bout-à-bout, ce qui constitue une échelle continue amovible le long du montage de mine. Des rails amovibles (66) sont également situés contigus à l'échelle continue, ce qui permet à un chariot portant un équipement de se déplacer.

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