A seamless rail track automatic monitoring device

By setting a combination of diffuse reflector and laser rangefinder on the seamless line rail, automatic monitoring of rail displacement is achieved, the problems of large manual measurement error and low efficiency are solved, detection accuracy and efficiency are improved, and driving safety is ensured.

CN222719706UActive Publication Date: 2025-04-04HARBIN RAILWAY BUREAU IND GENERAL CORP INTERNAL COMBUSTI
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Patent Information

Application Number
CN202420047180.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-01-09
Publication Date
2025-04-04
Estimated Expiration
2034-01-09

AI Technical Summary

Technical Problem

In the prior art, manual measurement of rail displacement has problems such as large errors, low efficiency, large workload, and operational safety hazards, and it is impossible to effectively monitor the status of seamless rails.

Method used

An automatic monitoring device for the state of seamless rails is designed, using a combination of a laser rangefinder and a diffuse reflector to measure the displacement of the rails through the reflection of the laser beam, and automatic monitoring is achieved using solar power supply and remote data transmission modules.

Benefits of technology

High-precision automatic detection of rail displacement is achieved, detection efficiency is improved, labor intensity of staff is reduced, and driving safety is ensured.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides an automatic monitoring device for the state of seamless rails, including a laser rangefinder, a control box, a main body bracket, a power supply and a diffuse reflection plate. The laser rangefinder is electrically connected to the power supply, and the power supply is a solar power supply. The main body bracket is fixed on the shoulder of the side of the rail, and the diffuse reflection plate is attached to the waist of the rail. A control unit electrically connected to the laser rangefinder is provided in the control box. The main body bracket includes a fixed clamp and a longitudinal connecting rod connected to the fixed clamp. The laser rangefinder includes a plurality of laser heads, and a fixing piece is provided between each laser head and the longitudinal connecting rod. The fixing piece is provided with an adjustment mechanism for adjusting the irradiation direction of the laser head. The utility model can realize automatic detection of the displacement of the rail by arranging a diffuse reflection plate on the rail and arranging a laser rangefinder used in conjunction with the diffuse reflection plate on the shoulder of one side of the rail, thereby greatly improving the detection accuracy, improving the detection efficiency, and reducing the labor intensity of the staff.
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Description

Technical Field

[0001] The utility model relates to the field of rail state monitoring, in particular to an automatic monitoring device for seamless line rail state. Background Art

[0002] During the large-scale construction of railways in my country, seamless lines have been widely used in railway lines because they eliminate rail joints, greatly improve track structure and reduce vibration. However, due to the disappearance of rail joints, the rails cannot expand and contract freely when the temperature changes, so that temperature stress accumulates inside the rails. When the fastener pressure is not enough to offset the temperature stress, the rails will move. When the temperature rises, it causes rail expansion, and when the temperature drops, it is easy to break the rails, which seriously affects driving safety.

[0003] At present, the domestic railway maintenance system mainly uses collimators to measure rail displacement manually, which has problems such as large errors, heavy workload, low efficiency, and hidden dangers in operation safety. Therefore, seamless rail lines need a set of intelligent, integrated, and efficient monitoring equipment that can provide real-time feedback on the rail status. Utility Model Content

[0004] In order to solve the technical problems of large error and low efficiency of manual measurement in the prior art, the utility model provides an automatic monitoring device for the state of seamless line rails.

[0005] The utility model provides an automatic monitoring device for the state of a seamless line rail, comprising a laser rangefinder, a control box, a main body bracket, a power supply and a diffuse reflection plate, wherein the laser rangefinder, the control box and the power supply are all fixed on the main body bracket, the laser rangefinder is electrically connected to the power supply, the power supply is a solar power supply, the main body bracket is fixed on the shoulder of the side of the rail, the diffuse reflection plate is pasted on the waist of the rail, and corresponds to the direction of the laser beam emitted by the laser rangefinder, so that the laser beam irradiated by it can be reflected back along the original path, a control unit electrically connected to the laser rangefinder is arranged in the control box, the control unit is provided with a remote data transmission module, the main body bracket comprises a fixing clamp and a longitudinal connecting rod connected to the fixing clamp, the laser rangefinder comprises a plurality of laser heads, a fixing piece is arranged between each of the laser heads and the longitudinal connecting rod, the fixing piece is provided with an adjusting mechanism for adjusting the irradiation direction of the laser head, the diffuse reflection plate is the same in number as the laser heads, and the reflection direction corresponds to the light emitting directions of the plurality of lasers respectively.

[0006] As a further improvement of the utility model, the fixing clamp includes two connecting plates arranged opposite to each other, and the two ends of the two connecting plates are respectively connected by bolts, and the longitudinal connecting rod is fixed to one of the connecting plates by a locking screw.

[0007] As a further improvement of the present invention, one end of the fixing member is connected to the longitudinal connecting rod by a fixing screw, and the adjustment mechanism includes an arc-shaped mounting hole and an adjusting bolt arranged at the other end of the fixing member, and the laser head is installed in the arc-shaped mounting hole by the adjusting bolt.

[0008] As a further improvement of the present invention, there are two fixing clamps which are arranged up and down, and the upper and lower ends of the longitudinal connecting rod are respectively connected to the two fixing clamps.

[0009] As a further improvement of the utility model, the fixing clamp includes two correspondingly arranged connecting plates, and one end of the two connecting plates is connected by bolts, and the other end of the two connecting plates is respectively provided with a bending portion, and the bending portion is provided with a plurality of threaded holes, and the threaded holes are installed with clamping bolts.

[0010] As a further improvement of the utility model, the solar power supply includes a solar panel and a panel bracket, one end of the panel bracket is fixed to one side of the fixing clamp, and the solar panel is fixed to the other end of the panel bracket.

[0011] As a further improvement of the present invention, the control box is fixed on one side of the fixing clamp.

[0012] As a further improvement of the present invention, the number of the laser heads and the number of the diffuse reflection plates are four, and each diffuse reflection plate corresponds to a rail.

[0013] The beneficial effect of the utility model is that the utility model can realize automatic detection of rail displacement by arranging a diffuse reflection plate on the rail and arranging a laser rangefinder used in conjunction with the diffuse reflection plate on the shoulder on one side of the rail, thereby greatly improving the detection accuracy, improving the detection efficiency, and reducing the labor intensity of the staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a partial structural schematic diagram of a seamless railway rail state automatic monitoring device of the utility model;

[0015] Figure 2 yes Figure 1 A schematic diagram of the structure from another angle;

[0016] Figure 3 yes Figure 1 Schematic diagram of the structure from another angle.

[0017] Figure numerals: 1-laser head; 2-control box; 3-fixing clamp; 4-longitudinal connecting rod; 5-solar panel; 6-fixing piece; 7-solar panel bracket; 8-telephone pole. Implementation

[0018] In the description of the present invention, it should be understood that if there are descriptions involving orientation, such as up, down, front, back, left, right, etc., the orientation description may be based on the orientation or position relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it cannot be understood as a limitation on the present invention.

[0019] In the description of the utility model, if there is a description of quantity, "several" means one or more, "more" means more than two, "greater than", "less than", "exceed" etc. are understood to exclude the number itself, and "above", "below", "within" etc. are understood to include the number itself. If there is a description of first or second, it is only used to distinguish the technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0020] In the description of the present utility model, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present utility model based on the specific content of the technical solution.

[0021] like Figures 1 to 3 As shown, the utility model discloses an automatic monitoring device for the state of seamless railway rails, including a laser rangefinder, a control box 2, a main body bracket, a power supply and a diffuse reflection plate. The laser rangefinder, the control box 2 and the power supply are all fixed on the main body bracket. The laser rangefinder is electrically connected to the power supply, and the power supply is a solar power supply. The main body bracket is fixed on the shoulder of the side of the rail. The diffuse reflection plate is pasted on the waist of the rail and corresponds to the direction of the laser beam emitted by the laser rangefinder so that the laser beam irradiated by it can be reflected back along the original path. A control unit electrically connected to the laser rangefinder is provided in the control box 2. The control The unit is provided with a remote data transmission module for transmitting data to a server in the control room. The main support includes a fixing clamp 3 and a longitudinal connecting rod 4 connected to the fixing clamp 3. The main support is fixed to an existing electric pole 8 on the shoulder of the road through the fixing clamp 3. The fixing clamp 3 can be selected according to the shape of the electric pole 8. The laser rangefinder includes a plurality of laser heads 1. A fixing part 6 is provided between each of the laser heads 1 and the longitudinal connecting rod 4. The fixing part 6 is provided with an adjusting mechanism for adjusting the irradiation direction of the laser head 1. The number of the diffuse reflection plates is the same as that of the laser heads 1, and the reflection directions correspond to the light emitting directions of the plurality of lasers.

[0022] When working, the laser rangefinder emits a laser beam to the diffuse reflection plate stuck on the waist of the rail. At this time, part of the laser beam can be reflected back by the original path, so that the distance to the fixed position of the rail can be measured. Multiple measurements can be performed within a certain period of time, so as to achieve real-time collection of the longitudinal and lateral displacement of the rail, and through relevant calculations, the rail temperature can be calculated according to the displacement. In addition, a group of monitoring devices can be set at a certain distance in the length direction of the rail as needed, so that the displacement and rail temperature of the rail can be automatically monitored. Once a value is detected that exceeds the rated value, an early warning notification will be issued.

[0023] The utility model can realize automatic detection of rail displacement by arranging a diffuse reflection plate on the rail and arranging a laser rangefinder used in conjunction with the diffuse reflection plate on the shoulder on one side of the rail, thereby greatly improving detection accuracy, improving detection efficiency, and reducing the labor intensity of staff.

[0024] In the present technical solution, the fixing clamp 3 includes two connecting plates arranged opposite to each other, and the two ends of the two connecting plates are connected by bolts respectively, so that the fixing clamp 3 can be conveniently fixed on electric poles 8 of various shapes, and its disassembly and assembly are convenient and quick, and its versatility is good. The longitudinal connecting rod 4 is fixed to one of the connecting plates by a locking screw.

[0025] In the present technical solution, one end of the fixing member 6 is connected to the longitudinal connecting rod 4 by a fixing screw, which is convenient for assembly and later maintenance. The adjustment mechanism includes an arc-shaped mounting hole and an adjusting bolt provided at the other end of the fixing member 6. The laser head 1 is installed in the arc-shaped mounting hole by the adjusting bolt. In this way, the irradiation of the laser head 1 can be adjusted as needed, so that the irradiation angle corresponds to the position of the diffuse reflection plate.

[0026] In this technical solution, the fixing clamps 3 are two and arranged up and down, and the upper and lower ends of the longitudinal connecting rod 4 are respectively connected to the two fixing clamps 3. The fixing effect can be strengthened, making it more stable, not easy to fall off or shake, and ensuring the accuracy of measurement.

[0027] In some embodiments, the fixing clamp includes two correspondingly arranged connecting plates, and one end of the two connecting plates is connected by bolts, and the other end of the two connecting plates is respectively provided with a bending portion, and the bending portion is provided with a plurality of threaded holes, and the threaded holes are installed with clamping bolts. In this way, the fixing clamp can be fixed to the plate-like structure of the electric box pole through the bending portion and the clamping bolts, and clamped and fixed by the clamping bolts.

[0028] In the present technical solution, the solar power supply includes a solar panel 5 and a panel bracket 7, one end of the panel bracket 7 is fixed to one side of the fixing clamp 3, and the solar panel 5 is fixed to the other end of the panel bracket 7. The solar panel 5 is provided with a certain inclination angle so that it can correspond to the irradiation angle of sunlight.

[0029] In this technical solution, the control box 2 is fixed to one side of the fixing clamp 3 .

[0030] In the technical solution, there are four laser heads 1 and four diffuse reflection plates, and each diffuse reflection plate corresponds to one rail, so that multiple rails can be monitored simultaneously.

[0031] The utility model has a simple structure and low manufacturing cost, can automatically monitor the displacement of the rail, saves a lot of human resources, and improves the detection accuracy accordingly.

[0032] The above contents are further detailed descriptions of the present invention in combination with specific preferred implementations, and the specific implementation of the present invention cannot be considered to be limited to these descriptions. For ordinary technicians in the technical field to which the present invention belongs, several simple deductions or substitutions can be made without departing from the concept of the present invention, which should be regarded as falling within the protection scope of the present invention.

Claims

1. A seamless rail track automatic monitoring device, characterized in that: It includes a laser rangefinder, a control box, a main body bracket, a power supply and a diffuse reflection plate. The laser rangefinder, the control box and the power supply are all fixed on the main body bracket. The laser rangefinder is electrically connected to the power supply. The power supply is a solar power supply. The main body bracket is fixed on the shoulder of the side of the rail. The diffuse reflection plate is pasted on the waist of the rail and corresponds to the direction of the laser beam emitted by the laser rangefinder, so that the laser beam irradiated by it can be reflected back along the original path. A control unit electrically connected to the laser rangefinder is provided in the control box, and the control unit is provided with a remote data transmission module. The main body bracket includes a fixing clamp and a longitudinal connecting rod connected to the fixing clamp. The laser rangefinder includes a plurality of laser heads. A fixing piece is provided between each of the laser heads and the longitudinal connecting rod. The fixing piece is provided with an adjusting mechanism for adjusting the irradiation direction of the laser head. The diffuse reflection plates are the same in number as the laser heads, and the reflection directions correspond to the light emitting directions of the plurality of lasers respectively.

2. The automatic monitoring device for seamless railway rail status according to claim 1 is characterized in that: The fixing clamp comprises two connecting plates which are arranged opposite to each other, and two ends of the two connecting plates are respectively connected by bolts, and the longitudinal connecting rod is fixed to one of the connecting plates by a locking screw.

3. The automatic monitoring device for seamless railway rail status according to claim 2 is characterized in that: One end of the fixing member is connected to the longitudinal connecting rod through a fixing screw, and the adjusting mechanism includes an arc-shaped mounting hole and an adjusting bolt arranged at the other end of the fixing member, and the laser head is installed in the arc-shaped mounting hole through the adjusting bolt.

4. The automatic monitoring device for seamless railway rail status according to claim 2 is characterized in that: There are two fixing clamps arranged up and down, and the upper and lower ends of the longitudinal connecting rod are respectively connected to the two fixing clamps.

5. The automatic monitoring device for seamless railway rail status according to claim 1 is characterized in that: The fixing clamp includes two correspondingly arranged connecting plates, and one end of the two connecting plates is connected by bolts, and the other end of the two connecting plates is respectively provided with a bending portion, and the bending portion is provided with a plurality of threaded holes, and the threaded holes are installed with clamping bolts.

6. The automatic monitoring device for seamless railway rail status according to claim 1 is characterized in that: The solar power supply comprises a solar panel and a panel bracket, one end of the panel bracket is fixed to one side of the fixing clamp, and the solar panel is fixed to the other end of the panel bracket.

7. The automatic monitoring device for seamless railway rail status according to claim 1 is characterized in that: The control box is fixed on one side of the fixing clamp.

8. The automatic monitoring device for seamless railway rail status according to claim 1 is characterized in that: There are four laser heads and four diffuse reflection plates, and each diffuse reflection plate corresponds to a rail.