Displacement detection system and displacement detection method for railway equipment
A displacement detection and railway technology, applied in the direction of measuring devices, optical devices, instruments, etc., can solve the problems of unfavorable tunnel settlement, many measuring points, and large measurement errors, so as to reduce the workload of measurement implementation, simplify the measurement process, The effect of reducing measurement error
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example 1
[0056] figure 2 A schematic diagram of an arrangement method of the present invention is shown. This arrangement method can be used to measure the vertical displacement of the line (caused by settlement or frost heaving, etc.), without being affected by longitudinal and lateral displacement. The displacement detection system is mainly composed of a photoelectric transmitting and receiving device 1 and a reflecting device 2 . The photoelectric transmitting and receiving device 1 is installed on the CPIII column 101, and the CPIII column is fixed on a deep foundation, so it can be considered that there will be no displacement, so it can be used as a measurement benchmark for line displacement. The reflection device 2 is installed on the line base plate 102 and the side of the track plate 103 through the column 4 . The reflection device 2 is displaced along with the line, so the displacement of the reflection device 2 is the line displacement. figure 1 A schematic diagram of ...
example 2
[0062] image 3 Another arrangement method of the present invention is shown, which can realize the longitudinal displacement measurement of line displacement. image 3 The middle reflection device 2 is a rectangular prism placed horizontally, and the laser and PSD in the photoelectric transmitting and receiving device are placed horizontally. The measurement principle is the same as that of Example 1. At the same time, this example can also be combined with Example 1, and the reflecting device can be changed into two right-angle prisms, one placed horizontally and the other vertically placed, and the photoelectric transmitting and receiving device is configured as two groups of lasers and PSD placed horizontally and vertically, which can be Realize simultaneous measurement of vertical and longitudinal displacement at the same measurement point.
example 3
[0064] Figure 4 It shows a schematic diagram of the arrangement of realizing the displacement monitoring of the subway tunnel by using the device of the present invention. A set of settlement detection devices can be used to realize the settlement detection of one measurement point. In order to realize the settlement monitoring of the entire interval, multiple sets of settlement detection devices can be used to transmit detection to each other. Such as Figure 4 As shown, the system installs a photoelectric transmitting and receiving device at the reference point of the platform, and installs a reflector and a photoelectric transmitting and receiving device at each measurement point in the interval, so that the photoelectric transmitting and receiving device at the previous point and the reflecting mirror at the next measuring point form a A set of settlement detection devices can monitor the relative displacement between two points. All the detection devices are connected ...
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