CN220018457U - Displacement monitoring system - Google Patents

Displacement monitoring system Download PDF

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Publication number
CN220018457U
CN220018457U CN202321679338.5U CN202321679338U CN220018457U CN 220018457 U CN220018457 U CN 220018457U CN 202321679338 U CN202321679338 U CN 202321679338U CN 220018457 U CN220018457 U CN 220018457U
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CN
China
Prior art keywords
monitoring system
displacement monitoring
steel rail
displacement
range finder
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CN202321679338.5U
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Chinese (zh)
Inventor
林征
原军锋
罗来珩
高超
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Nanjing Urban Rail Information Technology Co ltd
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Nanjing Urban Rail Information Technology Co ltd
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Abstract

The embodiment of the utility model discloses a displacement monitoring system. The system is characterized in that a laser range finder is arranged on a vertical rod at the side of a steel rail, and a reflecting plate is arranged on the rail web of the steel rail so as to acquire longitudinal and transverse displacement data of the steel rail. And uploading displacement data by arranging a data processing device on the upright posts at the sides of the steel rail. The laser range finder and the data processing device are fixedly installed by arranging an installation bracket on the upright rod at the side of the steel rail. Therefore, the monitoring of the longitudinal displacement and the transverse displacement of the steel rail is realized, so that the driving safety is ensured, the measuring efficiency and the measuring precision are improved, and the potential safety hazard in the measuring process is reduced.

Description

Displacement monitoring system
Technical Field
The utility model relates to the railway field, in particular to a displacement monitoring system.
Background
In large-scale railway construction in China, the seamless line is widely applied because the seamless line eliminates rail joints, greatly improves the track structure and reduces vibration. However, due to the disappearance of the rail gap, the steel rail cannot freely stretch and retract when the temperature changes, so that the temperature stress is accumulated in the steel rail, and when the pressure of the fastener is insufficient to offset the temperature stress, the steel rail can displace. The rail expansion is easy to be caused when the temperature is increased, the rail breakage is easy to be caused when the temperature is reduced, and the driving safety is seriously influenced. Therefore, the displacement state of the steel rail needs to be monitored to ensure the driving safety. Aiming at the problem, the rail displacement measurement is mainly carried out by manually utilizing a collimator at present, but the manual measurement has the problems of low efficiency, low precision, potential safety hazard and the like.
Disclosure of Invention
In view of the above, the embodiment of the utility model provides a displacement monitoring system for monitoring the longitudinal displacement and the transverse displacement of a steel rail and uploading displacement data so as to ensure the driving safety, improve the measuring efficiency and the measuring precision and reduce the potential safety hazard in the measuring process.
The displacement monitoring system of the embodiment of the utility model comprises:
the reflecting plate is fixedly arranged on the rail web of the steel rail and moves along with the steel rail;
the mounting bracket is fixedly arranged on the upright rod at the side of the steel rail and is provided with a first surface facing the steel rail and a second surface positioned at one side of the first surface;
the laser range finder is arranged on the first surface of the mounting bracket and is used for measuring the distance between the laser range finder and the reflecting plate; and
and the data processing device is arranged on the second surface of the mounting bracket, is connected with the laser ranging device and is used for uploading displacement data.
In some embodiments, the mounting bracket comprises:
the first fixing frame is provided with a first concave connecting piece and a second concave connecting piece which are fixedly connected relatively;
the second fixing frame is provided with a third concave connecting piece and a second concave connecting piece which are fixedly connected relatively; and
the mounting piece is connected between the first fixing frame and the second fixing frame.
In some embodiments, the mounting bracket has a third face opposite the first face;
the displacement monitoring system further comprises:
and the solar power supply device is arranged on the third surface of the mounting bracket, is linked with the laser range finder and the data processing device and is used for providing power.
In some embodiments, the displacement monitoring system further comprises at least one light shielding shell disposed on each of the laser rangefinders, the light shielding shell configured to shield interfering light.
In some embodiments, the reflector is formed as a wedge with a bevel.
In some embodiments, the reflector is made of polyphthalamide.
In some embodiments, the reflecting surface of the reflecting plate is provided with a positioning line for determining the installation direction of the laser range finder.
In some embodiments, the reflector is provided with a ribbed structure.
In some embodiments, the reflector is provided with drainage holes extending through the ribbed structure and perpendicular to the sides of the incline.
In some embodiments, the data processing device is connected to the monitoring management system through a wireless network.
According to the embodiment of the utility model, the laser range finders are arranged on the vertical rods at the sides of the steel rail, and the reflecting plates are arranged on the rail web of the steel rail, so that the longitudinal and transverse displacement data of the steel rail are obtained. And uploading displacement data by arranging a data processing device on the upright posts at the sides of the steel rail. The laser range finder and the data processing device are fixedly installed by arranging an installation bracket on the upright rod at the side of the steel rail. Therefore, the monitoring of the longitudinal displacement and the transverse displacement of the steel rail is realized, so that the driving safety is ensured, the measuring efficiency and the measuring precision are improved, and the potential safety hazard in the measuring process is reduced.
Drawings
The above and other objects, features and advantages of the present utility model will become more apparent from the following description of embodiments of the present utility model with reference to the accompanying drawings, in which:
FIG. 1 is a block diagram of a displacement monitoring system according to an embodiment of the present utility model;
FIG. 2 is a front view of the field environment of a displacement monitoring system of an embodiment of the present utility model;
FIG. 3 is a top view of the field environment of a displacement monitoring system according to an embodiment of the present utility model;
fig. 4 is a schematic structural diagram of a reflector of a displacement monitoring system according to an embodiment of the utility model.
Detailed Description
The present utility model is described below based on examples, but the present utility model is not limited to only these examples. In the following detailed description of the present utility model, certain specific details are set forth in detail. The present utility model will be fully understood by those skilled in the art without the details described herein. Well-known methods, procedures, flows, components and circuits have not been described in detail so as not to obscure the nature of the utility model.
Moreover, those of ordinary skill in the art will appreciate that the drawings are provided herein for illustrative purposes and that the drawings are not necessarily drawn to scale.
Meanwhile, it should be understood that in the following description, "circuit" refers to a conductive loop constituted by at least one element or sub-circuit through electrical connection or electromagnetic connection. When an element or circuit is referred to as being "connected to" another element or being "connected between" two nodes, it can be directly coupled or connected to the other element or intervening elements may be present and the connection between the elements may be physical, logical, or a combination thereof. In contrast, when an element is referred to as being "directly coupled to" or "directly connected to" another element, it means that there are no intervening elements present between the two.
Unless the context clearly requires otherwise, the words "comprise," "comprising," and the like throughout the application are to be construed as including but not being exclusive or exhaustive; that is, it is the meaning of "including but not limited to".
In the description of the present utility model, it should be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Furthermore, in the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
Fig. 1 is a block diagram of a displacement monitoring system according to an embodiment of the present utility model. As shown in fig. 1, the displacement monitoring system comprises a reflector 11, a mounting bracket 12, a laser range finder 13, a data processing device 14, a solar power supply device 15 and a monitoring management system 16. Wherein, the laser range finder 13 reflects light rays through the reflecting plate 11 to achieve range finding. The laser distance meter 13 is connected to the data processing device 14 for transmitting measured data to the data processing device 14. The data processing device 14 is connected to the monitoring management system 16 for uploading data. The solar power supply device 15 is respectively connected with the laser range finder 13 and the data processing device 14 and is used for providing power. The mounting bracket 12 is respectively connected with the laser range finder 13, the data processing device 14 and the solar power supply device 15, and is used for fixedly mounting the laser range finder 13, the data processing device 14 and the solar power supply device 15.
In an alternative implementation, the data processing device 14 is connected to the monitoring management system 16 by wireless communication technology to effect the uploading of data. In an alternative implementation, the data processing device 14 utilizes ZIGBEE technology to enable communication with the monitoring management system 16 to upload data to the monitoring management system 16. The method comprises the steps of completing writing and debugging of a ZIGBEE application program in a development environment, realizing software support through a ZIGBEE protocol stack, realizing hardware support through a ZIGBEE wireless module, and finally completing ZIGBEE communication. ZIGBEE is a wireless network technical standard with short distance, low power consumption and low cost, and is mainly used for automatic control and monitoring. ZIGBEE technology is based on the IEEE 802.15.4 standard, and can realize wireless connection between devices within the range of 10-100 meters. The ZIGBEE network is composed of a coordinator node and a plurality of end device nodes. The coordinator node is responsible for establishing a network, managing network device joining and leaving, and also for routing functions. The terminal equipment node is used for collecting information and executing operations. The ZIGBEE network adopts a mesh structure, and each device can work in a terminal mode or a routing mode to realize information relay among nodes.
FIG. 2 is a front view of a displacement monitoring system in accordance with an embodiment of the present utility model. As shown in fig. 2, the reflector 11 is provided on the rail web 21. The mounting bracket 12 is disposed on the rail-side upright 22. A laser distance meter 13 is arranged on the first surface of the mounting bracket 12 facing the rail for measuring the distance from the reflector 11. In an alternative implementation, the laser direction of the laser range finder 13 is perpendicular to the horizontal azimuth angle of the reflecting surface of the reflecting plate 11, so that the displacement of the steel rail can be calculated through the distance change between the laser range finder 13 and the reflecting plate 11. The data processing device 14 is disposed on a second side of the first side of the mounting bracket 12. The data processing device 14 is connected to the laser distance measuring device 13 for uploading the measured data. In an alternative implementation, the mounting bracket 12 includes a first mount 121, a second mount 122, and a mount 123. The first fixing frame 121 is provided with a mounting hole, the second fixing frame 122 is provided with a mounting hole, and the mounting piece 123 connects the first fixing frame 121 with the second fixing frame 122 through the mounting hole. In an alternative implementation manner, the displacement monitoring system of the embodiment of the present utility model may first install the second fixing frame 122, then determine the installation height of the first fixing frame 121 according to the height of the data processing device 14, and then connect the first fixing frame 121 and the second fixing frame 122 through the installation member 123.
According to the embodiment of the utility model, the laser range finders 13 are arranged on the upright posts 22 at the sides of the steel rail, and the reflecting plates 11 are arranged on the rail web 21 of the steel rail, so that the longitudinal and transverse displacement data of the steel rail are obtained. The displacement data are uploaded by providing the data processing device 14 on the uprights 22 laterally of the rail. The laser distance measuring device 13 and the data processing device 14 are fixedly installed by arranging a mounting bracket 12 on a vertical rod 22 at the side of the steel rail. Therefore, the monitoring of the longitudinal displacement and the transverse displacement of the steel rail is realized, so that the driving safety is ensured, the measuring efficiency and the measuring precision are improved, and the potential safety hazard in the measuring process is reduced.
In an alternative embodiment, the solar power supply 15 is disposed on the mounting bracket 12 on a side opposite to the first side (i.e., the third side) on which the laser rangefinder 13 is disposed. Wherein, first face is to the cloudy face, reduces the sunshine and penetrates directly, can make the measurement accuracy of laser range finder 13 improves. The third surface is a sunny surface, so that the solar power supply device can convert more solar energy into electric energy, and the displacement monitoring system disclosed by the embodiment of the utility model can work continuously. The solar power supply device 15 is connected with the laser range finder 13 and the data processing device 14, and is used for providing power for the laser range finder 13 and the data processing device 14, so that the displacement monitoring system of the embodiment of the utility model can continuously work without external power supply.
In an alternative implementation, the mounting bracket 12 is provided with a strip-shaped mounting frame 23 on the first fixing frame 121, and the strip-shaped mounting frame 23 is located on the side facing the steel rail. In an alternative implementation, the displacement monitoring system of the embodiment of the present utility model is provided with a plurality of said laser rangefinders 13. Each of the laser rangefinders 13 is disposed in sequence on the strip mount 23. Each laser range finder 13 corresponds to one reflecting plate 11 so as to realize the simultaneous detection of displacement data of a plurality of steel rails. In an alternative implementation, the displacement monitoring system of the embodiments of the present utility model is provided with a plurality of light shielding shells. The light shielding shell is arranged on each laser range finder 13 and is used for shielding interference light rays in the environment. The light shielding shell can shield the upper side, the left side and the right side of the laser range finder 13 so as to prevent direct sunlight and enable the measurement result of the laser range finder 13 to be accurate.
FIG. 3 is a top view of the field environment of a displacement monitoring system according to an embodiment of the present utility model. In an alternative implementation, as shown in fig. 3, the first mount 121 includes a first female connector 31 and a second female connector 32. The first concave connecting piece 31 is formed in a concave shape, two sides of the first concave connecting piece respectively protrude a fixing lug, and connecting holes are formed in the fixing lugs. The second concave connecting piece 32 is formed in a concave shape, two sides of the second concave connecting piece respectively protrude a fixing lug, and connecting holes are formed in the fixing lugs. The first female connector 31 and the second female connector 32 may be relatively fixedly connected by screws through the connection holes.
Likewise, in an alternative implementation, the second mount 122 includes a third female connector and a fourth female connector that are fixedly connected with respect to each other. The third concave connecting piece is formed into a concave shape, two sides of the third concave connecting piece respectively protrude out of a fixing lug, and connecting holes are formed in the fixing lugs. The fourth concave connecting piece is formed into a concave shape, two sides of the fourth concave connecting piece respectively protrude out of a fixing lug, and connecting holes are formed in the fixing lugs. The third concave connecting piece and the fourth concave connecting piece can be relatively and fixedly connected through the connecting holes by screws.
Fig. 4 is a schematic structural diagram of a reflector of a displacement monitoring system according to an embodiment of the utility model. In an alternative implementation, as shown in fig. 4, the reflector 11 is shaped as a wedge with a bevel. The inclined surface of the wedge-shaped body is a reflecting surface 41 for reflecting laser light. In an alternative implementation, a positioning line 42 is disposed on the reflecting surface 41 of the reflecting plate 11, and an intersection point of the positioning lines 42 is a center of the reflecting surface 41, so as to determine an installation direction of the laser range finder. In an alternative implementation, the calibration of the initial position is performed before the displacement monitoring system according to the embodiment of the present utility model performs the monitoring. When the initial position is marked, the laser of the laser range finder is perpendicular to the horizontal azimuth angle of the reflecting surface 41 of the reflecting plate 11. Meanwhile, the laser beam of the laser range finder coincides with the center line of the reflecting surface 41, and at this time, the measured data is calibrated as the initial position. In an alternative implementation, the laser direction of the laser rangefinder 13 is perpendicular to the horizontal azimuth of the reflecting surface of the reflector 11. When the steel rail is displaced transversely and longitudinally, the reflecting plate 11 on the steel rail web 21 is driven to displace. When the reflecting plate 11 is displaced, the distance from the reflecting plate 11 measured by the laser range finder 13 is changed. According to the measured distance before and after the change, the longitudinal displacement and the transverse displacement of the steel rail can be calculated through trigonometric function operation. In an alternative implementation, the reflector 11 is made of polyphthalamide. The polyphthalamide material has high reflectivity and can maintain good strength, rigidity and dimensional stability under the conditions of high temperature and high humidity. Therefore, the polyphthalamide is selected as the material of the reflecting plate 11, so that the displacement monitoring system provided by the embodiment of the utility model has higher precision and longer service life. In an alternative implementation, the reflector 11 is provided with a ribbed structure 43. The rib structure 43 is disposed inside the reflecting plate 11 and connected to a side 45 perpendicular to the reflecting surface 41. The reinforcement structures 43 are arranged in a grid-like staggered manner, so that stress can be dispersed, and the strength and stability of the reflecting plate 11 are improved. By providing the reinforcement structure 43, the strength and rigidity of the reflecting plate 11 can be improved without increasing the weight and size of the reflecting plate 11, thereby making the service life of the reflecting plate longer.
In an alternative implementation, the reflector 11 is provided with drainage holes 44. The drain hole 44 penetrates the reinforcement structure 43 and the side surface 45 to avoid water accumulation and icing, so that the service life of the reflector is longer.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and various modifications and variations may be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (10)

1. A displacement monitoring system, the system comprising:
the reflecting plate is fixedly arranged on the rail web of the steel rail and moves along with the steel rail;
the mounting bracket is fixedly arranged on the upright rod at the side of the steel rail and is provided with a first surface facing the steel rail and a second surface positioned at one side of the first surface;
the laser range finder is arranged on the first surface of the mounting bracket and is used for measuring the distance between the laser range finder and the reflecting plate; and
and the data processing device is arranged on the second surface of the mounting bracket, is connected with the laser range finder and is used for uploading displacement data.
2. The displacement monitoring system of claim 1, wherein the mounting bracket comprises:
the first fixing frame is provided with a first concave connecting piece and a second concave connecting piece which are fixedly connected relatively;
the second fixing frame is provided with a third concave connecting piece and a fourth concave connecting piece which are fixedly connected relatively; and
the mounting piece is connected between the first fixing frame and the second fixing frame.
3. The displacement monitoring system of claim 1, wherein the mounting bracket has a third face opposite the first face;
the displacement monitoring system further comprises:
and the solar power supply device is arranged on the third surface of the mounting bracket, is linked with the laser range finder and the data processing device and is used for providing power.
4. The displacement monitoring system of claim 1, further comprising at least one light shielding housing disposed on each of the laser rangefinders, the light shielding housing configured to shield interfering light.
5. The displacement monitoring system of claim 1, wherein the reflector is formed as a wedge with a bevel.
6. The displacement monitoring system according to claim 1, wherein the reflector is made of polyphthalamide.
7. The displacement monitoring system of claim 1, wherein the reflective surface of the reflective plate is provided with a positioning line for determining the mounting direction of the laser rangefinder.
8. The displacement monitoring system of claim 5, wherein the reflector is provided with a ribbed structure.
9. The displacement monitoring system of claim 8, wherein the reflector is provided with drainage holes extending through the ribbed structure and perpendicular to the sides of the incline.
10. The displacement monitoring system of claim 1, wherein the data processing device is connected to a monitoring management system via a wireless network.
CN202321679338.5U 2023-06-28 2023-06-28 Displacement monitoring system Active CN220018457U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321679338.5U CN220018457U (en) 2023-06-28 2023-06-28 Displacement monitoring system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321679338.5U CN220018457U (en) 2023-06-28 2023-06-28 Displacement monitoring system

Publications (1)

Publication Number Publication Date
CN220018457U true CN220018457U (en) 2023-11-14

Family

ID=88691749

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321679338.5U Active CN220018457U (en) 2023-06-28 2023-06-28 Displacement monitoring system

Country Status (1)

Country Link
CN (1) CN220018457U (en)

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