| 摘要 |
The apparatus automatically makes the scaffold move back and forth so that it can effectively get near the automobile chasis by a neccessary distance. The apparatus comprises actuation scaffolds(19,19'), correspondent to the chasis width, formed over fixed scaffolds of support frames(10,10'); hydraulic drivers(20,20') arranged at the lower positions of the fixed scaffolds and connected to vertica connecting members(36,36'); guide drivers(40,40') driven simultaneously by the hydraulic drivers(20,20'); fixed jigs(64,64') arranged adjustable in a height, a width or a longitudinal direction according to rails(62,62').
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