Lifting bed

The utility model provides a can detect the lifting bed of brake performance. This lifting bed includes a lifting unit, a driving motor, and this driving motor connection drives this lifting unit motion, and a brake equipment, this brake equipment connect this driving motor and a control module, and this control module connection is controlled this driving motor and is rotated, connects this brake equipment simultaneously and control this brake equipment whether make the ability, when this control module does not make this brake equipment of ability, control the torque value that this driving motor drove the first motion distance of this lifting unit motion and calculated this driving motor, when this control module makes this brake equipment of ability, control the 2nd torque value that this driving motor drove this lifting unit motion second motion distance and calculated driving motor, whether this control module is normal according to this brake equipment of relation judgment of a torque value and the 2nd