Mine track vehicle control device for opening and closing air inlet and outlet door

Abstract

The invention discloses a mine track vehicle control device for opening and closing an air inlet and outlet door, which is applied to automatic control of an air door for an underground orbit mine car to enter and exit. The main track vehicle control device consists of an intrinsically safe position sensor for mining, a magnet, a spring, a guide sleeve, a rolling wheel, a rolling wheel fixed sleeve, and a connecting frame. The device is arranged between orbits of the air door for the underground mine car to enter and exist in pairs. When the orbit mine car runs to the upper side of the device, the rolling wheel is pressed down, and the spring is compressed and drives the magnet to move downwards; when the magnet moves downwards within an induction range of the position sensor, contacts inthe sensor are switched on, the position sensor sends an in-place signal to a controller, the controller automatically opens the air door so as to automatically control the mine car inlet and outlet air door, an external power supply is not needed, and a problem that a control system fails when a disaster happens underground or the external power supply is cut off is solved; and when the tail of the mine car passes through the device on the rear of the air door, the sensor outputs an in-place signal, and the controller automatically closes the air door through delay.

Description

technical field [0001] The invention relates to a mine rail vehicle control device for opening and closing the inlet and outlet dampers, especially suitable for the automatic control of coal mine underground dampers or disaster relief doors, and also suitable for the detection of rail vehicles in railway systems. Background technique [0002] The damper is an important structure in the mine ventilation system, and an automatic control damper should be constructed on the track roadway with frequent traffic. In the current mine ventilation system, the automatic control damper is widely used, which not only improves the work efficiency, but also ensures the stability of the mine ventilation system. However, at present, the control of the damper in the coal mine adopts the active control method, which has low reliability and poor stability. [0003] With the continuous increase of coal mining depth and the improvement of comprehensive mechanization, mine ventilation is also inc...

AI Technical Summary

Problems solved by technology

As a result, the wind pressure in some areas is too high, and the damper cannot be opened and closed by manpower alone, which is not good for the maintenance of the damper, and poses a certain threat to the stability of the mine ventilation system; in addition, when a fire or gas explosion occurs in the mine, a large number of Toxic and harmful gases invade and spread to the mining area, resulting in poisoning and suffocation of people in the mining area

However, the current dampers used in mine track lanes mainly have the following three problems: (1) Most of the existing dampers have not realized automatic control, and when pedestrians or passing vehicles are opened and closed only by manpower, the labor intensity of workers is high and the work efficiency is low; (2) The automatic damper of some mines uses a photosensitive sensor as the trigger source for automatic control, but it is prone to misoperation due to the influence of smoke or dust, and the maintenance work is heavy, which can easily lead to unstable operation of the control system; (3) The automatic damper of some mines The damper is automatically controlled by ultrasonic and radar microwave detection methods. Its FM transmission wave has strong anti-interference ability and long remote control distance. However, its detection method is more complicated, and installation and maintenance are more difficult.

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