The drive chain replacement assistive device (30) is used when a drive chain (18) wound on a main chain wheel (22) of an escalator (10) is replaced, the drive chain replacement assistive device (30) is provided with an inserting piece (40), the inserting piece (40) is inserted between the main chain wheel (22) and the drive chain (18) to enable the drive chain (18) to float from the main chain wheel (22), the inserting piece (40) is provided with a plurality of continuous linear pieces (41), and the linear pieces (41) are connected with the inserting piece (40). Adjacent linear pieces (41) form a predetermined angle with each other to form an arc shape along the peripheral edge of a main chain wheel (22), each linear piece (41) has a length that spans a plurality of tooth portions of the main chain wheel (22), and has: an upper recessed portion (42) that is provided on the upper surface side of the linear piece (41) and on which a drive chain (18) can slide, and a lower recessed portion (42) that is provided on the lower surface side of the linear piece (41) and on which a drive chain (18) can slide; and a lower recess (43) which is provided on the bottom surface side of the linear piece (41), and in which the teeth of the main sprocket (22) can slide.
驱动链条更换辅具(30)在对卷绕在自动扶梯(10)的主链轮(22)上的驱动链条(18)进行更换时被使用,该驱动链条更换辅具(30)具备插入件(40),该插入件(40)被插入到主链轮(22)与驱动链条(18)之间而使驱动链条(18)从主链轮(22)浮起,插入件(40)具有连续的多个直线片(41),通过使相邻的直线片(41)彼此形成规定的角度而构成为沿着主链轮(22)的周缘的圆弧状,直线片(41)具有跨主链轮(22)的多个齿部的长度,且具有:上侧凹部(42),其设置于直线片(41)的上表面侧,并且驱动链条(18)能够在上侧凹部(42)滑动;以及下侧凹部(43),其设置于直线片(41)的底面侧,并且主链轮(22)的齿部能够在下侧凹部(43)滑动。
Auxiliary tool for replacing driving chain
驱动链条更换辅具
2024-01-16
Patent
Electronic Resource
Chinese
IPC: | B66B Aufzüge , ELEVATORS |
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