Wind cup mounting bracket applied to tunnel ventilation air speed or air flow testing

Abstract

The present invention discloses a wind cup mounting bracket applied to tunnel ventilation air speed or air flow testing. The wind cup mounting bracket comprises an air duct wall where a test section is located; a plurality of right-angled triangular bases are fixed side by side to the bottom of the air duct wall where the test section is located; circular vertical bars are fixed to one side of each right-angled triangular base; the bottoms of the circular vertical bars are provided with jacks; and the circular vertical bars are connected with a plurality of square cross bars through cross bar clamping buckles, wherein the square cross bars can move up and down along the circular vertical bars, the square cross bars and the circular vertical bars are arranged in a manner that the square cross bars are perpendicular to the circular vertical bars, and the square cross bars are provided with a plurality of wind cup bases which are used for mounting wind cups and can move rightwards and leftwards along the square cross bars. According to the wind cup mounting bracket of the invention, the angle bar bases, the circular vertical bars each of which is segmented so as to be lengthened, the square cross bars each of which is segmented so as to be lengthened, the cross bar clamping buckles which can slide along and lock the vertical bars, the wind cup bases which can horizontally slide along the square cross bars, and the like are effectively assembled so as to form an integrated detection device; and the detection device can be matched with an existing test instrument so as to realize the ventilation test of a tunnel.

Description

technical field [0001] The invention belongs to the field of traffic quality detection, and in particular relates to a wind cup mounting bracket used for tunnel ventilation wind speed or air volume testing. Background technique [0002] In long highway tunnels, mechanical or natural ventilation is required to maintain the air quality in the tunnel and provide a good working environment for drivers and tunnel workers to discharge the polluted air in the tunnel. In order to verify the ventilation effect or whether the ventilation equipment installed in the project can meet the design requirements, it is necessary to conduct a supply (exhaust) air volume test. In view of the large section of the tunnel and the uneven distribution of wind speed, in order to measure the air volume of the measurement section more accurately, it is often necessary to measure the wind speed at different positions on a certain cross-flow section at the same time, and then obtain the air volume on the...

AI Technical Summary

Problems solved by technology

According to the geometric characteristics of the flow section, the position of the feature point is different for different section shapes. In addition, the tunnel (or air duct) often has a certain longitudinal slope, which requires the bracket for installing the wind cup to be able to place the wind cup on the measurement section. can be fixed at any position, but it is currently difficult to implement

Images