Flatness detection device convenient for stable supporting and extending for building wall

Abstract

The invention discloses a flatness detection device convenient for stable supporting and extending for building wall. The device comprises a first supporting seat, a threaded rod, a spring, a threadedpipe and a thick paperboard, wherein a second supporting seat is movably installed on the side face of the first supporting seat, and connecting blocks are fixedly connected to the left end of the second supporting seat and the left end of the first supporting seat; and lap joint grooves are formed in the right end of the second supporting base and the right end of the first supporting base correspondingly, a threaded rod is installed on the left side of the upper portion of the first supporting base through a bearing, and limiting rods are fixedly installed on the right side of the upper portion of the first supporting base and the right side of the upper portion of the second supporting base correspondingly. According to the flatness detection device convenient for stable supporting andextending for the building wall, the overall length of the device can be conveniently extended, so that walls with different lengths can be measured, meanwhile, different positions and different heights of the walls can be measured; in addition, the maximum fluctuation numerical value during measurement can be visually displayed, and the use effect of the device is improved.

Description

technical field [0001] The invention relates to the technical field of building detection, in particular to a flatness detection device for a building wall that is convenient for stable support and extension. Background technique [0002] In the process of building construction, it is usually necessary to construct the concrete on the wall, and it is usually formwork construction. After the construction is completed, the concrete needs to be troweled. Therefore, it is necessary to use inverted troweling equipment to ensure the smoothness of the concrete on the wall. It is necessary to use an inverted flatness detection device to detect the flatness of the wall surface to check whether the flatness of the concrete on the wall is within the allowable range of error. If the error exceeds the allowable range, the concrete needs to be repaired again. [0003] Some wall flatness detection devices currently on the market: [0004] (1) In the process of detecting the flatness, due ...

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Problems solved by technology

[0007] The object of the present invention is to provide a flatness detection device for building walls that is easy to support and extend stably, to solve the problem that some wall flatness detection devices on the market proposed by the above-mentioned background technology are not easy to extend the length, and the scope of application Low, and it is not convenient to visually display the error according to the demand, and it is not convenient for subsequent support

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