Highway construction test board

Abstract

The invention discloses a highway construction test board. The highway construction test board comprises a test board, wherein a measurement track ruler is arranged above the test board, locking sliding sleeves are arranged on the outer side of the measurement track ruler, locking knobs are arranged on the outer sides of the locking sliding sleeves, an upper fixing frame and a lower fixing frame are arranged between the locking sliding sleeves, a clamping moving device is arranged at the top of the upper fixing frame, a clamping arc-shaped plate is fixedly connected to the inner side of the clamping moving device, a pressurizing air bag is arranged on the inner side of the clamping arc-shaped plate, a gas adding needle head is arranged on the rear side of the clamping arc-shaped plate, andthe air feeding needle head and the pressurizing air bag are connected through a gas guide pipe. The invention relates to the technical field of highway construction. According to the highway construction test board, the purpose of convenient carrying is achieved, drawing paper is convenient to fix, drawing personnel can be supported when tired, and a surveying and mapping tool is clamped; and asupporting frame can also rotate along a rotating bolt shaft, so that the position of the surveying and mapping tool can be conveniently adjusted.

Description

technical field [0001] The invention relates to the technical field of road construction, in particular to a road construction surveying and drawing board. Background technique [0002] Highway construction surveyors often need to draw and calculate drawings, but there is no working platform for surveying and mapping at the surveying site. Surveyors often carry a surveying board for laying paper, but there is no place or support on the road The flat-panel device, carrying the bracket with the sound is bulky, and the surveyor often leans one side of the surveying board on the body, holds the surveying board with one hand, and then spreads the paper on the surveying board with one hand for surveying and mapping, which is very inconvenient. And after a long time, the arm is prone to soreness, and when the traditional surveying board is used for surveying and mapping, there is no fixing device for the paper, which is inconvenient to use, and it is not convenient to support and c...

AI Technical Summary

Problems solved by technology

[0004] Aiming at the deficiencies of the prior art, the present invention provides a highway construction surveying and mapping board, which solves the problem that there is no fixing device for the paper, it is inconvenient to use, it is inconvenient to support and carry, and there is no place for installing surveying and mapping tools

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