KM70 pneumatic bottom door opening system convenient to maintain

Abstract

The invention discloses a KM70 pneumatic bottom door opening system convenient to maintain, which comprises a mounting frame, a first mounting plate is fixedly connected to one end of the bottom of the mounting frame, a valve control box is fixedly mounted on one side of the first mounting plate, and a mounting seat is fixedly connected to the top of the mounting frame and located on one side of the valve control box; one end, which is next to the valve control box, of the top of the mounting seat is fixedly connected with a fixing clamping set with an L-shaped structure; the bottom-opening door system is compact in structure, easy and convenient to operate and high in practicability, the clamping mechanism is arranged between the mounting frame of the bottom-opening door system and the air storage cylinder, the air storage cylinder can be rapidly mounted at the top of the mounting frame, and screws do not need to be screwed multiple times. According to the system, the installation speed of the air storage cylinder is increased, meanwhile, the replacement or maintenance speed of the air storage cylinder is increased, traditional screw connection is avoided, meanwhile, the phenomenon of thread slipping caused by multiple times of screw screwing is avoided, and actual use is facilitated.

Description

technical field [0001] The invention belongs to the field of pneumatic control systems for railway wagons, in particular to a KM70 pneumatic bottom opening system which is easy to maintain. Background technique [0002] In the existing life, the coal hopper car is a kind of railway wagon whose end wall is inclined inward or the end surface is a large arc, and the lower part of the car body is equipped with a funnel, and the goods are loaded from the top. Bulk cargo such as coal is of great significance in railway transportation. The funnel car can be divided into two types with a cover and no cover in terms of its structure. In order to meet the needs of production, coking enterprises also have hopper cars for loading hot materials, such as coke quenching cars, hot sintering mine cars, hopper weighing cars, etc. No matter what type of unloading hopper cars, their common characteristics are that they are The cargo is unloaded by sliding down by its own weight. The car body i...

AI Technical Summary

Problems solved by technology

[0002] In the existing life, the coal hopper car is a kind of railway wagon whose end wall is inclined inward or the end surface is a large arc, and the lower part of the car body is equipped with a funnel, and the goods are loaded from the top. Bulk cargo such as coal is of great significance in railway transportation. The funnel car can be divided into two types with a cover and no cover in terms of its structure. In order to meet the needs of production, coking enterprises also have hopper cars for loading hot materials, such as coke quenching cars, hot sintering mine cars, hopper weighing cars, etc. No matter what type of unloading hopper cars, their common characteristics are that they are The cargo is unloaded by sliding down by its own weight. The car body is equipped with a funnel plate with a certain inclination angle to the horizontal. There are two methods of touch-type unloading. The pneumatic unloading method has no signal transmission for connecting multiple vehicles because the wind source pressure comes from the brake supervisor, so it cannot realize simultaneous unloading of multiple connected vehicles. The touch-type unloading structure mainly relies on The ground mechanism facilities are in contact with the upper drive handle of the vehicle, and the bottom door can only be opened under the action of the moving force of the vehicle. Therefore, the requirement of simultaneous unloading of the entire train cannot be realized. In order to realize the requirement of simultaneous unloading of multiple connected vehicles, a control system has been developed. The control system for the opening and closing of the bottom door of the whole group of coal hoppers

[0003] After retrieval, the patent number is 201710370255.0, a control system that uses 120 valves to control the opening and closing of the bottom door of the entire group of coal hoppers, including a train supervisor connected to the air compressor at the front of the train. Connected corner plug door, the train supervisor is externally connected with a number of bottom door opening and closing control units, each bottom door opening and closing control unit correspondingly controls the opening and closing of the bottom door of a vehicle, and the bottom door opening and closing control unit has a control function The bottom door opening and closing function and the pressure-maintaining self-locking function when the bottom door is closed. The input signal of the bottom door opening and closing control unit is the air pressure change provided by the train supervisor. It realizes the requirement of simultaneous unloading of multiple connected vehicles. However, when the air storage cylinder in the system is in use, it is directly installed on the mounting frame through screws. When it fails or is damaged, it needs to be replaced. Or during maintenance, it is necessary to turn the screws one by one to disassemble and replace it, which is troublesome and seriously affects the speed of replacement or maintenance, which is not conducive to actual use

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