friction control nozzle

Abstract

The present application provides a friction control nozzle, which is clamped on the rail foot of the train track and can be continuously adjusted along the vertical direction and the lateral direction of the track. The nozzle includes: a nozzle body, a nozzle, and the nozzle has flexibility Provided at the tip of the spray head body; probe, the probe is disposed in the spray head body and its top protrudes from the spray head body; plunger, the plunger is disposed inside the spray head body and connected laterally to the bottom of the probe; spray head body Inner cavity, the inner cavity of the main body of the nozzle is composed of the plunger and the inner wall of the main body of the nozzle, and the probe is located in the inner cavity of the main body of the nozzle; the delivery pipe, the delivery pipe is connected with the inner cavity of the main body of the nozzle, and is used to deliver lubrication to the inner cavity of the main body of the nozzle agent; and a spring, one end of the spring is connected to the bottom of the plunger, and the other end is fixedly arranged at the bottom of the nozzle main body, wherein an elastic pad is connected between the spout and the rail head, and the elastic pad is used to tightly connect the spout to the rail head without gaps.

Description

technical field [0001] The invention relates to the field of rail lubrication; more specifically, it relates to a friction regulating nozzle for lubricating wheel and rail treads at the roadside. Background technique [0002] The research on wheel-rail relationship has always been a major topic in railway science and technology. In recent years, with the development of technology, new progress has been made in wheel-rail lubrication, extending from wheel flange and gauge angle to wheel-rail tread friction pair. The main purpose of lubrication From reducing wheel-rail wear to prolonging the life of the entire rail and wheel system, the new technology is called wheel-rail friction factor adjustment and control. [0003] In the curved section, due to the action of centrifugal force and the difference in the length of the upper and lower strands of the rail, creep oscillation occurs on the contact surface of the wheel and rail, resulting in pulsed lateral impact load and vertica...

AI Technical Summary

Problems solved by technology

[0006] The investigation found that the related equipment lines and car bodies developed by foreign companies are seriously polluted, and the spraying mode is backward, especially the function of the nozzle is not advanced, resulting in large spraying dosage, slow dynamic response, easy to be affected by train airflow, low transfer performance, easy to block, etc. question

[0007] Specifically, the existing nozzles mainly have the following problems: 1. The spraying dosage is large, and the utilization rate of the lubricant is low, causing large-area pollution of the ballast bed and the line environment; Traction and braking have adverse effects; 2. The structure of the nozzle is complex, and the lubricating fluid has no obvious extension after being rolled by the train, but has a clear boundary, indicating that its transfer performance is low, and it must be sprayed through multiple nozzles and large spans , resulting in high energy consumption of the equipment; 3. The nozzles using the injection method are easily affected by the airflow from the train and the natural wind, causing the lubricating fluid to deviate from the target; 4. The nozzles are easily blocked by foreign objects

However, this injection method is easily affected by the airflow from the train and the natural wind, making the lubricating fluid deviate from the target

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