| 摘要 |
PROBLEM TO BE SOLVED: To provide a sludge scraping-up machine which can securely prevent an endless chain from dropping with no increase in cost even when vibration due to earthquake occurs.SOLUTION: A scraping-up machine 1 related to this invention has a top face guide member 23 disposed off by a predetermined distance above a flight 21 running between a third driven shaft 15 and a drive shaft 13, the top face guide member 23 comprising a first end side guide member 37 disposed above the sprocket 17(0) of the drive shaft 13 with one end part bent by directing downward, a second end side guide member 39 disposed above the sprocket 17(3) of the third driven shaft 15 with one end part bent by directing downward, and a center guide member 43 disposed closer to the side wall 41 of a tank 5 than to the first end side guide member 37 and the second end side guide member 39 and provided between the third driven shaft 15 and the drive shaft 13 with no extension to the sprockets 17(3), 17(0) of the third driven shaft 15 and the drive shaft 13.SELECTED DRAWING: Figure 1 |
