Multifunctional railway freight car operation safety monitoring device and system

Abstract

The invention provides a multifunctional railway freight car operation safety monitoring device which comprises a shell and an internal assembly, the internal assembly comprises a main control and communication module, a battery assembly, an air pressure measuring module and a distance measuring module, and the battery assembly is electrically connected with the main control and communication module. The air pressure measuring module and the distance measuring module are electrically connected with the main control and communication module respectively, a hollow cylinder in butt joint with a test hole of a brake cylinder in a sealed mode is arranged on the shell, and the air pressure measuring module and the distance measuring module are both installed in a cavity of the hollow cylinder. And the cavity is communicated with an air chamber of the brake cylinder through a test hole of the brake cylinder. The invention further provides a multifunctional railway freight car operation safetymonitoring system. The device has the beneficial effects that the performance of the brake and the running stability of the vehicle can be continuously and automatically detected, the device is simple and convenient to install, and a vehicle body and a brake cylinder do not need to be changed.

Description

technical field [0001] The invention relates to a safety monitoring device, in particular to a multifunctional railway freight vehicle running safety monitoring device and system. Background technique [0002] Brakes play an important role in guaranteeing the safety of railway wagons. Air brakes are widely used in railway vehicles. The air brake changes the compressed air pressure in the brake cylinder by controlling the pressure of the main air pipe. When braking, the pressure in the brake cylinder increases, so that the piston linkage in the cylinder overcomes the elastic force of the balance spring and stretches out, and the braking force on the wheel is generated through mechanical transmission. The pressure of the brake cylinder corresponds to the brake shoe to hold the wheel tightly. The braking force is large; when it is relieved, the pressure in the brake cylinder decreases, and the piston drives the brake rod to retract under the action of the reverse elastic forc...

AI Technical Summary

Problems solved by technology

This inspection method has the following outstanding problems: the operation efficiency is not high; relying on manual visual inspection, the accuracy and reliability cannot be guaranteed; the exact magnitude of the braking force cannot be obtained, and the braking force of the brake shoe to hold the wheel cannot be evaluated

At present, there is no vehicle running stability detection device installed on railway wagons

[0005] In addition, according to literature, there is already a brake cylinder monitoring device, but this device only detects the pressure in the brake cylinder, does not detect the stroke and other operating physical parameters, and is not enough to comprehensively monitor the safety of the vehicle brake.

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