Taboo 4: Overload operation Consequences: Overloading refers to forced operation under load of 110% or more of the rated load of the elevator. This is not allowed. Overloading can cause mechanical deformation, car tilting and other problems, and repair is more difficult. Measures: Automatic elevators have weighing and overload warning devices. These devices can be adjusted to […]

1. Guarantee project (1) The specifications of the wires and metal trunking must comply with the design requirements and relevant specifications. (2) The insulation resistance between the wires and between the wires and the ground must be greater than 0.5MΩ. 2, the basic project (1) Trunking. The cable trough should be close to the surface […]

Taboo 6: Replacement of substitute weights during load testing Consequences: As the test load, the weight can be increased or decreased according to the required percentage load. It is not convenient to use cement or iron substitutes to correctly determine the load, so that the measured current or voltage value is not accurate, and the […]