Advanced level 2025 South west regional mock applied mechanics 3
Advanced level 2025 South west regional mock applied mechanics 3
SKTTIN(i HP
The lifting table presents on the figure I (in projection) and figure 2(plane) is used to carry the loads in the company stores.
INSCRIPTION AND FUNCTIONING
THE SUPPORT 1
Hie support [0|, which carried tlic desk |1|(work table) . the lifting movement is commanded by two symmetric pair of
3] and|2‘+3*|). Hie arms arc articulated between themselves at C and C\ the ami |2|is articulated at E on the support|0|and
the arm [3|at B on the table|1|. The desk is in contact at R on a pair of roller|7|and|7’], the rollers are articulated at A on the
arms|2|and|2 *] and moving in the direction (AB) relative to |1]. In the same way the rollers (6) and|6’|articulated at S on the
arms|3|and [3’J, in contact at
of the system.
arms.
F on the support and translate horizontally in the direction (SE). these rollers ensure the equilibrium
• The lifting effort is giving by the hydraulic jack|4+5|(4 =rod , 5= body) which in contact at D on [OJ and at H on|2|.
• The desk is in equilibrium in the position of the figure|2J.
