| 摘要 |
<p>The bench is formed by a series of metallic beams (1,2,3) assembled by cross-bars (4,5,6,7). Carriages (10,11) slide along the bench's superstructure. These carriages (10,11) bears the tool-holders for the interchangeable and omnidirectional supporting, measuring and rectifying tools. Jack holding turrets (13) slide along the sub-structure of the bench and are used to pull or push the vehicle. The external beams (1,3) have graduations (8,9) along their upper face. The tool-holder carriages (10,11) sliding on the bench have a graduated structure on which the tool-holders are guided while moving. The tool-holder comprises a sleeve whose upper edge is graduated, a sliding and rotating graduated vertical rod and a rotary graduated piece holding the tool.</p> |
