Device and method for comprehensively detecting states of slings and cable clamps of suspension bridge
A comprehensive detection, suspension bridge technology, applied in the direction of measuring devices, instruments, etc., can solve the problem of no comprehensive detection of suspension cable force and cable clip anti-slip performance of suspension bridges, uncontrollable random excitation, and inability to apply the anti-slip performance of suspension bridge cable clips. Detection, etc. problem, to achieve the effect of high precision and precise connection
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Embodiment 1
[0051] Such as Figure 1 to Figure 4As shown, the comprehensive detection device for the state of suspension bridge suspension cables and cable clamps of the present invention includes an excitation unit and a detection unit.
[0052] The vibration excitation unit includes an electric vibration exciter 7, a connecting mandrel 14, and a vibration excitation fixture 15, which are used to apply vibration to the suspension bridge sling; the electric vibration exciter 7 is arranged on a lead screw linear module 18, The connecting push rod 14 is connected with the excitation fixture 15, and the connecting push rod 14 and the excitation fixture 15 are connected by threads; one end of the sling 12 is connected with the bridge deck 22, and the excitation fixture 15 is used to clamp the sling 12, and the The vibration applied by the electrodynamic exciter 7 is transmitted to the sling 12 through the connecting jack 14 .
[0053] The vibration-exciting fixture 15 includes a front clampi...
Embodiment 2
[0062] It also includes a frame and a position adjustment unit arranged between the frame and the electric vibrator 7, see the accompanying drawings Figure 1~Figure 3 , this embodiment is realized on the basis of the above-mentioned embodiment 1, further defines the characteristics of the detection device, the frame includes a frame bottom plate 2, two side supports symmetrically arranged vertically on the frame bottom plate Plate 3, frame bottom plate 2 and side support plate 3 are all made of gray cast iron.
[0063] The position adjustment unit includes:
[0064] a vertical movement unit, used to drive the electric vibrator to move vertically;
[0065] a rotary table, used to drive the electric vibrator to rotate horizontally;
[0066] The horizontal moving unit is used to drive the electric vibrator 7 to move horizontally.
[0067] The vertical mobile unit includes:
[0068] Electric cylinder 4, slide table 5, slide block 16 and linear guide rail 13, wherein, describe...
Embodiment 3
[0073] It also includes a sensor bracket for fine-tuning the position of the eddy current displacement sensor, see the accompanying drawings Figure 6 , this embodiment is realized on the basis of above-mentioned embodiment 1 and embodiment 2, the feature of detection device is further limited, comprises:
[0074] Magnetic base 26, the L-shaped bar 27 that the lower end is connected on the magnetic base, the fixed piece 28 that is installed on the L-shaped bar 27 upper end by screw, described fixed piece 28 is provided with positioning groove 31 and sensor installation groove 30, is used for adjusting The installation position of the fixed piece 28 on the L-shaped bar 27 and the installation position of the eddy current displacement sensor on the fixed piece, the magnetic base is arranged on the frame bottom plate 2 .
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