Mining dump truck folding step ladder and using method thereof

Abstract

The invention discloses a mining dump truck folding step ladder and a using method thereof, and belongs to the field of mining machineries. The mining dump truck folding step ladder comprises a folding ladder body connected with a small platform through a fixing plate, and a driving mechanism used for driving the fixing plate and the folding ladder body to rotate together is arranged in the smallplatform and comprises an oscillating cylinder, a flange plate, a long pin shaft and a short pin shaft; the oscillating cylinder is fixed on a support inside the small platform, the flange plate is fixed on a rotor of the oscillating cylinder, one end of the long pin shaft penetrates through the oscillating cylinder and is connected with the flange plate through a key, and the other end of the long pin shaft is inserted into the short pin shaft and fixedly connected with the short pin shaft, the opposite ends of the short pin shaft and the flange plate respectively extend to the outer parts ofthe corresponding sides of the small platform and are fixedly connected with the fixing plate on the side; and through the arrangement of an arc-shaped toothed bar, a driven gear, a driving chain wheel, a transmission chain, a driven chain wheel and a rotating shaft, a pedal can be driven to deflect. Deformation caused by collision between the step ladder and an obstacle on a mine road surface can be avoided, and people can conveniently get on the vehicle; and pedal can be protected.

Description

technical field [0001] The invention relates to the field of mining machinery, in particular to a folding ladder for mining dump trucks and a method for using the same. Background technique [0002] As an important transportation equipment for open-pit mining, mining dump trucks are favored by users for their high carrying capacity, high structural strength, and high attendance rate. However, due to its own characteristics, mining dump trucks usually have a larger volume than ordinary heavy trucks, so the driver needs to install an additional pedal ladder when getting on and off the vehicle. It is relatively easy, but because of the complex road conditions of the mine, the ladder is easy to collide with the large ore or other obstacles on the road surface of the mine when the mine car is moving, causing the ladder to deform, and when the lowest end surface of the pedal ladder is high from the ground, although It can avoid the collision between the ladder and the obstacle, b...

AI Technical Summary

Problems solved by technology

However, due to its own characteristics, mining dump trucks usually have a larger volume than ordinary heavy trucks, so the driver needs to install an additional pedal ladder when getting on and off the vehicle. It is relatively easy, but because of the complex road conditions of the mine, the stepping ladder is easy to collide with the large ore or other obstacles on the mine road when the mine car is moving, causing the stepping ladder to deform, and when the lowest end surface of the stepping ladder is high from the ground, although It can avoid the collision between the ladder and the obstacle, but it will cause inconvenience for people to board the car

Images