| 摘要 |
A bi-directional escalator with an integrate framework is disclosed. It consists of a first escalator including a first driver having a first drive shaft; a second escalator including a second driver having a second drive shaft; and a two-stage bevel gear reversing unit. The two-stage bevel gear reversing unit includes: a first bevel gear connected to the first drive shaft, a second bevel gear connected to the second drive shaft, a third bevel gear engaged with the first bevel gear and the second bevel gear, and a main driving machine which drives the first escalator and the second escalator simultaneously by means of the two-stage bevel gear reversing unit. The invention is good design, low cost and energy saving.
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