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A monitoring device and scour depth technology are applied in the field of all-round monitoring devices for the underwater sediment scour depth of bridges, which can solve the problems that real-time all-round monitoring cannot be realized, and achieve the effects of convenient disassembly and assembly and accurate monitoring data.
Pending Publication Date: 2019-01-18
JIANGSU WATER CONSERVANCY SCI RES INST
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However, the existing technology is still unable to realize real-time and all-round monitoring
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Embodiment 1
[0027] The all-round monitoring device for the underwater sediment scour depth of bridge piers of the present invention includes an adjustment seat 1, a winding motor 2, a winding shaft 3, a winding line 4, a mounting plate 5, a slider 6, an electric telescopic rod 7, and a sounding transducer Device 8, back-moving spring 9.
[0028] Such as figure 1 As shown, first positioning screw holes 11 are respectively provided at both ends of the adjustment base 1 , and the adjustment base is fixedly connected with the surface of the bridge pier through first fixing bolts 12 . The adjusting seat 1 is arc-shaped, and a T-shaped sliding groove 10 is arranged on it along the arc-shaped direction, and a matching sliding block 6 is arranged in the sliding groove 10, and the sliding block 6 is slidably arranged in the sliding groove 10 . Corresponding second positioning screw holes 13 and second positioning screw holes 14 are provided on the slider 6 and the mounting plate 5 , and the two a...
Embodiment 2
[0034] The all-round monitoring device for the underwater sediment scour depth of bridge piers of the present invention includes an adjustment seat 1, a winding motor 2, a winding shaft 3, a winding line 4, a mounting plate 5, a slider 6, an electric telescopic rod 7, and a sounding transducer Device 8, return spring 9, fixed plate, lifting device, detection rotating mechanism and calibration plate. Wherein the structure and the connection of the adjusting seat 1, the winding motor 2, the winding rotating shaft 3, the winding line 4, the mounting plate 5, the slide block 6, the electric telescopic rod 7, and the return spring 9 are the same as in the embodiment 1.
[0035] Such as image 3 , Figure 4 As shown, the fixed plate 16 is connected to the output end of the above-mentioned electric telescopic rod 7, and the fixed plate 16 is provided with a lifting chute 17; the lifting device includes an electric lifting rod 18 and a lifting plate 19; The other end is connected wi...
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Abstract
The invention discloses a pier underwater sediment scouring depth omnidirectional monitoring device. The device comprises an adjusting base, a take-up motor, a winding rotation shaft, a take-up wire,a mounting board, a sliding block, an electric expansion rod and a depth measurement transducer; the monitoring device is fixedly connected with a surface of a pier through the adjusting base; the adjusting base is arc-shaped, and a sliding chute is arranged along an upper edge arc-shaped direction of the adjusting base; the sliding block is fit for the sliding chute, one end of the sliding blockis arranged in the sliding chute in the form of sliding, the other end of the sliding block is fixedly connected with an inner side of the mounting board, and the external side of the mounting board is connected with the depth measurement transducer through the electric expansion rod; one end of the adjusting base is provided with the take-up motor, a rotation hole is arranged at a corresponding position of the adjusting base, and the rotation hole is communicated with the sliding chute on the adjusting base; the winding rotation shaft is arranged in the rotation hole, an output shaft of the take-up motor is in transmission connection with the winding rotation shaft, one end of the take-up wire is connected on the winding rotation shaft in the form of being coiled, and the other end of thetake-up wire penetrates into the sliding chute and is fixedly connected with the sliding block. With the device provided by the invention, omnidirectional monitoring for pier underwater sediment scouring depth can be realized effectively.
Description
technical field [0001] The invention relates to the technical field of bridge monitoring, in particular to an omni-directional monitoring device for underwater sediment scour depth of bridges. Background technique [0002] Scouring is the erosion of the soil around the bridge foundation by flowing water, exposing the bridge foundation to water, reducing the lateral bearing capacity of the bridge and the buckling bearing capacity of the pile foundation, and increasing the lateral impact force of the water flow. Scouring is an important cause of bridge damage, mainly including three forms: natural scour, general scour, and local scour. Every year, many bridges are destroyed by long-term water erosion in various countries in the world. According to statistics, 32.8% of the collapsed bridges in the United States are caused by erosion of bridge piers; among the collapses of Columbia bridges, 35% of the concrete bridge collapses are caused by erosion. Caused; There are a large nu...
Claims
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Application Information
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