LD type single beam crane electrical system description

Table of Contents

The LD single-beam crane is a widely used lifting equipment, and its electrical system is also a very key component. The editor of our factory will introduce the electrical system of the single-beam crane.

1. Description of electrical system of LD electric single beam crane

The electrical device of LD electric single beam crane is composed of electrical control box, hoist control box, ground operation button box, fire limiter, trolley limit switch and connecting wires. The control voltage of the operating button box is 36V. According to the symbol marked on the handle of the button switch, press the button correctly to control the front and back movement of the cart, the left and right movement and the lifting movement of the hoist.

The line is equipped with short-circuit protection, interlock protection, loss-of-voltage protection, cart travel protection, emergency stop short-circuit protection, and protection measures such as rising limit and falling limit.

2. Description of CD type electric hoist electrical system

The electrical device of the CD type electric hoist is composed of an electrical control box, a button switch, a fire limiter and a connecting wire. The operating voltage of the button switch is 36V. According to the marked symbol on the button switch, press the button correctly, and control the left, right, up and down actions of the electric hoist through the electric appliances in the control box.

The line is equipped with protective measures such as interlocking, short circuit protection, rising limit, falling limit, and emergency power off.

3. Description of MD type electric hoist electrical system

The electrical device of the MD type electric hoist consists of a button switch of the electrical control box, a fire limiter and a connecting wire. The operating voltage of the button switch is 36V. According to the mark on the button switch, press the button correctly, and control the left, right, rise (fast and slow) and fall (fast) of the electric hoist through the electrical appliances in the control box. And slow) action.

The line is equipped with protective measures such as interlocking, short-circuit protection, rising limit and falling limit, and emergency power off.

The technicians who operate and maintain the crane must have a certain understanding of the electrical system of the crane. If the electrical equipment is damaged, the relevant parts should be replaced in time.