| 摘要 |
<p>Trench shoring device with shoring plates (1) guided in guide posts (8, 16), each guide post (8, 16) having a U-section (11) open to the shoring plate (1), or vice versa, the legs (9, 10) of which U-section (11) have on their insides at least two parallel guide strips (12) directed in the longitudinal direction of the guide post (8, 16), projecting pins (3) being arranged in a distributed manner at a distance apart over the height of the end walls of each shoring plate (1) or guide post (8, 16), on which pins (3) guide rollers (4, 5, 24, 25) run. …<IMAGE>… </p> |
