Siren horn of urban rail vehicle

A technology of urban rail vehicles and horns, which is applied in the direction of sounding equipment, lifting valves, instruments, etc., can solve the problems of difficult control of the size of fillings, blockage of pipelines, and inability to adjust the flow area, so as to achieve a simple and reliable flow adjustment scheme. Easy installation and disassembly, simple and reliable structure

Inactive Publication Date: 2013-04-03
ZHUZHOU ELECTRIC LOCOMOTIVE CO
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this method has disadvantages: first, the size of the plugging objects is not easy t

Method used

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  • Siren horn of urban rail vehicle
  • Siren horn of urban rail vehicle
  • Siren horn of urban rail vehicle

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0015] Such as figure 1 Shown, a kind of siren horn of urban rail vehicle comprises the pipeline that feeds gas to the air inlet of horn, and the regulating valve that regulates horn volume is installed on the pipeline, and this regulating valve comprises valve body 5, is provided with in valve body 5 and is connected with pipeline. The valve body air inlet 6 and the valve body air outlet 7 connected with the horn air inlet, the valve body air inlet 6 is connected with the pipeline through a ferrule, and the valve body air outlet 7 and the horn air inlet are respectively equipped with straight joints, And connect the two straight-through joints through ferrules, the valve body air inlet 6 and the valve body air outlet 7 are communicated through the connecting hole; the adjusting mechanism for controlling the amount of gas entering the valve body air inlet 6 is installed in the connecting hole .

[0016] Such as figure 2 As shown, the axial centerline of the valve body i...

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Abstract

The invention relates to a siren horn of an urban rail vehicle. The siren horn comprises a pipeline for feeding gas into a horn gas inlet, wherein an adjusting valve for adjusting the horn volume is mounted on the pipeline; the adjusting valve comprises a valve body; a valve body gas inlet hole connected with the pipeline and a valve body gas outlet hole connected with the horn gas inlet are arranged in the valve body; the valve body gas inlet hole is communicated with the valve body gas outlet hole through a connecting hole; and an adjusting mechanism for controlling the gas feeding amount of the valve body gas inlet hole is mounted in the connecting hole. According to the siren horn, the horn volume can be effectively adjusted and the siren horn volume standard can be satisfactorily met; the volume adjusting valve is made of stainless steel, is provided with a simple and reliable structure, is simple and easy to process, is convenient to mount and dismount, and is lower in cost; and the volume adjusting valve adopts a piston rod seal mode, so that the gas tightness of the valve is fully guaranteed. The flow adjusting scheme for controlling the circulation area of a valve opening is simple and reliable.

Description

technical field [0001] The invention relates to an urban rail vehicle siren horn. Background technique [0002] The two head cars of urban rail vehicles are respectively equipped with a set of siren systems. Judging from the on-site debugging, it is generally reported that the volume of the horns is too high, exceeding 110 decibels, which exceeds the standard for siren horns of urban rail vehicles, and the siren itself does not have volume. Adjustment function. In order to reduce the volume of the horn, the conventional method is to add a plug to reduce the gas flow area on the pipeline of the horn air inlet. However, there are disadvantages in this method: first, the size of the plugging objects is not easy to control, and the flow area cannot be adjusted; second, it is easy to cause pipeline blockage. Contents of the invention [0003] The object of the present invention is to provide a siren horn for urban rail vehicles, which can freely adjust the volume of the siren...

Claims

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Application Information

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IPC IPC(8): F16K1/00F16K1/04F16K27/02F16K1/32F16K41/04G10K9/18G10K9/02
Inventor 王明华佟来生罗华军毛莉高锋
Owner ZHUZHOU ELECTRIC LOCOMOTIVE CO
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