| 摘要 |
Title: Bidirectional Guide Wheel and Guide Rail Structure Abstract The invention relates to a bidirectional guide wheel and guide rail structure for elevating up and down, comprising a guide rail, guide wheels provided in the guide rail and a guide wheel frame for fixing the guide wheels. The cross section of the guide rail is in a C-shaped structure, and a horizontal guide face and a vertical guide face vertical to each other are formed inside the guide rail; and the guide rail is provided with horizontal guide wheels corresponding to the vertical guide face and vertical guide wheels corresponding to the horizontal guide face, and a plurality of connecting members is connected with the guide wheels through notches on the C-shaped structure of the guide rail. 71i |
