​High pole light lifting principle


In the rectangular inner cavity at the bottom of the li […]

In the rectangular inner cavity at the bottom of the lift type high pole light, a lifting system such as a motor is installed in addition to the electrical control system. The electrical control system is installed inside the pole to avoid the malfunction of the lifting movement caused by the harsh outdoor environment. Various circuit overload protection devices are provided in the electrical control system.

The conductors of the circuits in the system are widely copper-plated to ensure good electrical contact. The lifting system of the lifting type high pole lamp drives the lifting and lowering of the lamp panel by means of an electric motor, an (electromagnetic braking type) worm gear reducer, a safety coupling, a main wire rope, a secondary wire rope, a rope splitter and a movable pulley block. The worm gear reducer has strong self-locking ability, compact transmission and large transmission ratio. In order to reduce the worm gear and worm gear ratio and reduce the rising torque, a set of moving pulleys is added to make the speed of the lamp plate rise and fall less than 0.2 m/s. .

The main wire rope is connected to the wire rope of the lamp pair through the rope separator to avoid the entanglement of the secondary wire due to the stretching of the main wire. The main and auxiliary steel ropes are made of high-strength and corrosion-resistant 6*19 non-rotating galvanized steel wire rope. The lifting pulley block adopts A3 steel bracket, stainless steel shaft and copper pulley which are hot-dip galvanized to ensure flexible operation under normal atmospheric conditions.

Various fastener washers, collars and other parts are also hot-dip galvanized or stainless steel. There are 6 sets of guide pulleys and more than three sets of brake devices on the lamp panel. The guide wheels distributed at 120 degrees during the lifting or lowering of the lamp discs roll along the surface of the lamp post to ensure that the lamp disc does not oscillate. The surface of the working part of the lamp wheel that is in contact with the surface of the lamp post is subjected to a rubber thermocompression bonding process. In order to fully guarantee the automatic stop when the lamp panel reaches the limit position, the lamp tray is equipped with a reliable limit switch with rising and falling motion, and has over-travel protection.

The lifting of the high pole light panel is achieved by changing the direction of rotation of the motor. For safety and security, the rectangular cavity is equipped with a sealed door, and the sealed door is equipped with a special door lock.


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