| 摘要 |
PROBLEM TO BE SOLVED: To provide an auxiliary drive device for a sluice gate opening/closing apparatus, the auxiliary drive device being compact overall and low-priced, and using an electric tool (an electric screwdriver/electric drill) as a power source.SOLUTION: An auxiliary drive device includes: a gear box 23 fitted on a casing 16 of a sluice gate opening/closing apparatus 11 through support means 19, 19a, the sluice gate opening/closing apparatus being provided with a lifting mechanism 18; a first drive shaft 25 supported inside the gear box 23 by first shaft bearings 26, 27, and connected to a horizontal shaft 15 when used; a first gear 34 fitted on the first drive shaft 25; a second gear 47 connected directly or through an intermediary gear mechanism 54 to the first gear 34; and a second drive shaft 42 supported by second shaft bearings 40, 41 and rotatably supporting the second gear 47. Engaging means 46 of a rotation transmission device 45 is provided on the second drive shaft 42, the rotation transmission device being fitted on an electric tool 43 and having a polygonal cross-section.SELECTED DRAWING: Figure 1 |
