Bridge detection hinge joint displacement measuring device and measuring method thereof

Abstract

The invention discloses a bridge detection hinge joint displacement measuring device and a measuring method thereof. The bridge detection hinge joint displacement measuring device comprises a bridge body and a hinge joint connecting block, a base and a stabilizing block are fixedly installed on the bottom surface of the bridge body, the base and the stabilizing block are located on the left side and the right side of the hinge joint connecting block respectively, and a fixing block is fixedly installed at the bottom of the base. A movable rod is fixedly installed on the side surface of the fixing block, the other end of the movable rod is movably provided with a transverse rod, and the other end of the transverse rod penetrates through a pressure measuring box and is detachably connected with the side surface of the stabilizing block through a disassembling and assembling assembly. A power box located between the fixing block and the pressure measuring box is fixedly installed at the bottom of the bridge body. The output end of the power box is electrically connected with a transformer, and the output end of the transformer is electrically connected with a signal transmitter. According to the invention, a pressure deviation is initially measured through the pressure sensor, and the signal is amplified through the signal transmitter so that the signal is convenient to observe and receive, the change value of the hinge joint can be observed more finely, the detection accuracy is ensured, and the practicability of the device is improved.

Description

technical field [0001] The invention relates to the technical field of bridge measurement, more specifically, the invention relates to a bridge detection hinge joint displacement measurement device and a measurement method thereof. Background technique [0002] Prefabricated girder bridges are favored by engineers for their short construction period, guaranteed engineering quality and high labor productivity. They have been widely used in the field of transportation facilities in my country, but the seams that ensure the integrity of prefabricated bridges have not been valued. The engineering quality of the joint construction stage and the management and maintenance of the operation stage will directly affect the service life of the entire prefabricated bridge [0003] In the daily maintenance and inspection of bridges, because the joints are located between the assembled girders, the spatial position is usually relatively high, and it is often difficult to read or measure ac...

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Problems solved by technology

[0002] Prefabricated girder bridges are favored by engineers for their short construction period, guaranteed engineering quality and high labor productivity. They have been widely used in the field of transportation facilities in my country, but the seams that ensure the integrity of prefabricated bridges have not been valued. The engineering quality of the joint construction stage and the management and maintenance of the operation stage will directly affect the service life of the entire prefabricated bridge

[0003] In the daily maintenance and inspection of bridges, because the joints are located between the assembled girders, the spatial position is usually relatively high, and it is often difficult to read or measure accurately when using conventional methods to measure the displacement of hinge joints, and it is generally impossible to measure the hinge joints in real time. Joint displacement and early warning when bridge damage occurs due to large displacement of hinge joints

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