Scissor Lift Safety Training Oakville - A scissor lift is a type of platform lift that moves vertically. The lift table is moved in a vertical motion because of criss-cross folding supports that are connected in what is called a pantograph. The platform can propel vertically due to the application of pressure to the outside of the lowest set of supports. This elongates the crossing pattern and causes the machine to rise. Some models of scissor lift even have an extending "bridge" that enables operators to have closer access to the work area because the vertical only movement can have some inherent restrictions.
There are a lot of various types of scissor lifts available. They can be powered by different means like for instance mechanical, via a rack and pinion or lead screw system, or hydraulic or pneumatic. Several models may require no power to enter "descent" mode but instead depend on a simple release of pneumatic or hydraulic pressure that depends on the power system utilized. These pneumatic and hydraulic methods of powering these lifts are preferred because releasing a manual valve gives a fail-safe option of returning the platform to the ground.