Urban rail switch square infrared measuring instrument

Abstract

The utility model provides a kind of urban rail switch square infrared measuring instrument, including mutually perpendicular connection horizontal extension cross bar and longitudinal extension long plate, the front end upper surface of longitudinal extension long plate is vertically connected with limiting plate, limiting plate is used to fix infrared line projector, the bottom two ends of horizontal extension cross bar of support main body are respectively connected with a limiting column, and the bottom of longitudinal extension long plate of support main body is embedded with magnet;Longitudinal extension long plate is adsorbed on steel rail, and ensure that two limiting columns are tightly in steel rail side wall, to ensure that support main body keeps perpendicular with steel rail, start infrared line projector, move switch square infrared measuring instrument parallel with the direction of steel rail, ensure that the line projected is close to the side of this steel rail and located on the corner of switch installation device, use steel ruler to test the distance between the line projected and the corner of switch installation device at the other side of steel rail, it is the deviation value that switch installation device installs squareness;The utility model has the advantages of simple structure, convenient to carry and efficient and accurate measurement.

Description

Technical Field

[0001] This utility model relates to the field of railway track inspection technology, specifically to an infrared measuring instrument for square turnouts in urban rail transit, used for rapid and accurate detection of geometric position deviations of railway turnouts. Background Technology

[0002] The squareness of turnouts is crucial to railway operational safety. Current methods for measuring turnout squareness largely rely on manual measurement using tools such as squares and steel tape measures. This method is highly susceptible to human error and has low efficiency. While some advanced measuring equipment offers improved accuracy, its complex structure and high cost limit its widespread application. Summary of the Invention

[0003] To overcome the shortcomings of the existing technology, the purpose of this utility model is to provide an infrared measuring instrument for the squareness of urban rail turnouts. Utilizing infrared projection technology, the infrared projector is mounted on a magnetically attached bracket with limiting posts and quickly attached to the rail. Moving the infrared projector parallel to the rail allows the projected infrared rays to be directly projected onto the corners of the turnout installation device, which are inaccessible to the original turnout ruler. This allows for a very intuitive measurement using a steel ruler, solving the problem of the original ruler measurement method where a certain distance exists between the ruler placed on the rail surface and the turnout installation device, making direct and accurate measurement impossible. This utility model can efficiently and accurately measure the squareness of turnouts, and has the advantages of simple structure, portability, and high efficiency and accuracy.

[0004] This addresses the problems of low efficiency, large errors, and inconvenient reading in traditional methods in existing technologies.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows: An infrared measuring instrument for the squareness of urban rail turnouts includes a support body 1, which has a cross-shaped structure and includes horizontally extending crossbars 11 and longitudinally extending long plates 12 that are perpendicularly connected to each other. The upper surface of the front end of the longitudinally extending long plate 12 is perpendicularly connected to a limiting plate 3, which is used to fix an infrared projector 5. A limiting post 4 is connected to each end of the bottom of the horizontally extending crossbars 11 of the support body 1. A magnet 2 is embedded in the bottom of the longitudinally extending long plate 12 of the support body 1.

[0006] The horizontally extending crossbar 11 of the support body 1 is parallel to the rail 6, and the longitudinally extending long plate 12 of the support body 1 is perpendicular to the rail 6.

[0007] The limiting plate 3 includes a first plate 31 and a second plate 32 that are perpendicularly connected to each other and form an L-shaped structure. The opening of the L-shaped structure of the limiting plate 3 is located away from the rear end of the longitudinally extending long plate 12. An infrared projector 5 is installed between the first plate 31 and the second plate 32.

[0008] There are two limiting posts 4, which are cylindrical. The sidewalls of the two limiting posts 4 are in contact with the sidewalls of the rail 6, and the lower surface of the longitudinally extending plate 12 is in contact with the upper surface of the rail 6.

[0009] The magnet 2 is embedded at the bottom of the rear end of the longitudinally extending plate 12 of the support body 1, and is made of neodymium iron boron strong magnetic material.

[0010] Compared with the prior art, the beneficial effects of this utility model are as follows: 1. This utility model uses the longitudinally extending plate 12 of the support body 1 to adhere to the rail 6, and two limiting posts 4 to the side wall of the rail 6 to ensure that the support body 1 and the rail 6 remain perpendicular. This ensures that the infrared rays projected by the infrared projector 5 are perpendicular to the rail 6. The infrared projector 5 is fixed to the limiting plate 3 at the front end of the horizontally extending crossbar 11. The infrared projector 5 projects infrared rays to the turnout installation device 7. The projected line is located on the corner of the turnout installation device 7 near the side of the rail. The distance between the projected line and the corner of the turnout installation device 7 on the other side of the rail is measured with a steel ruler. This distance is the deviation value of the squareness of the turnout installation device 7, which provides a direct and accurate measurement reading. This solves the problem that the original square ruler measurement method could not directly and accurately measure the turnout installation device because there was a certain distance between the square ruler placed on the rail surface and the turnout installation device.

[0011] 2. This utility model can be directly attached to the upper surface of the rail 6 by the magnet 2 for fixation, and then the limiting post 4 is tightly attached to the side of the rail 6 to achieve quick positioning and installation.

[0012] 3. In this utility model, the upper front surface of the longitudinally extending long plate 12 of the support body 1 is perpendicularly connected to the limiting plate 3, and the infrared projector 5 is fixed by the first plate 31 and the second plate 32 that are perpendicularly connected to each other of the limiting plate 3. The projection line of the infrared projector 5 replaces the original square foot of about 1.5 meters long pole, making it small and portable. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0014] Figure 2 This is a partial structural schematic diagram of the present invention.

[0015] Figure 3 This is a schematic diagram of the installation of this utility model.

[0016] Figure 4This is a front view of the working principle diagram of this utility model.

[0017] Figure 5 This is a top view of the working principle of this utility model.

[0018] In the diagram: 1. Support body; 11. Horizontally extending crossbar; 12. Longitudinally extending plate; 2. Magnet; 3. Limiting plate; 31. First plate; 32. Second plate; 4. Limiting post; 5. Infrared projector; 6. Rail; 7. Turnout installation device. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0020] like Figure 1 , Figure 2 As shown, this utility model provides a square infrared measuring instrument for urban rail turnouts, including a support body 1. The support body 1 has a "+" shaped structure, including horizontally extending crossbars 11 and longitudinally extending long plates 12 that are perpendicularly connected to each other. The upper surface of the front end of the longitudinally extending long plate 12 is perpendicularly connected to a limiting plate 3, which is used to fix the infrared projector 5. Two limiting posts 4 are installed at the bottom ends of the horizontally extending crossbars 11 of the support body 1 by threaded fasteners. After the limiting posts 4 are tightly attached to the rail 6, they restrict the support body 1 from being perpendicular to the rail 6. Magnets 2 are embedded in the bottom of the longitudinally extending long plate 12 of the support body 1 to ensure that the support body 1 can be stably attached to the rail 6.

[0021] like Figure 2 As shown, the main body 1 of the support is made of stainless steel. The horizontally extending crossbar 11 of the main body 1 is parallel to the rail 6, and the longitudinally extending long plate 12 of the main body 1 is perpendicular to the rail 6.

[0022] The limiting plate 3 includes a first plate 31 and a second plate 32 that are perpendicularly connected to each other and form an L-shaped structure. The opening of the L-shaped structure of the limiting plate 3 is located away from the rear end of the longitudinally extending long plate 12. An infrared projector 5 is installed between the first plate 31 and the second plate 32 to ensure that the infrared projector 5 is parallel to the support body 1.

[0023] like Figure 3 As shown, there are two limiting posts 4, which are cylindrical. The sidewalls of the two limiting posts 4 are in contact with the sidewalls of the rail 6, and the lower surface of the longitudinally extending plate 12 is in contact with the upper surface of the rail 6.

[0024] The magnet 2 is embedded in the bottom of the longitudinally extending plate 12 of the bracket body 1, and uses neodymium iron boron strong magnetic material (adsorption force ≥50N) to directly adsorb onto the surface of the rail 6, achieving rapid fixation.

[0025] This utility model discloses an infrared measuring instrument for the squareness of urban rail turnouts, used for rapid and accurate detection of the squareness of turnout geometry. The infrared beam projector 5 measures the squareness of key turnout components and installation devices in a non-contact manner. Magnets are embedded in the bottom of the longitudinally extending plate 12 of the support body 1, achieving rapid adsorption and positioning through strong magnets (adsorption force ≥50N). The adjustable support body 1 adopts a three-point limiting structure to ensure the perpendicularity of the support body 1 to the rail 6. This utility model solves the problems of low efficiency, large errors, and inconvenient measurement readings associated with traditional manual measurement by using magnetic "one-click fixing." The measurement time is shortened to within 30 seconds, with an accuracy error ≤±1mm, significantly improving the efficiency and reliability of railway turnout detection.

[0026] The working principle of this utility model is as follows: like Figure 4 , Figure 5 As shown, during use, the longitudinally extending plate 12 of the support body 1 is attached to the rail 6, and the two limiting posts 4 are kept close to the side wall of the rail 6 to ensure that the support body 1 is perpendicular to the rail 6. Then, the infrared projector 5 is activated, and the turnout square infrared measuring instrument is moved parallel to the rail 6 to ensure that the projected line is close to the side of the rail and located on the corner of the turnout installation device 7. The distance between the projected line and the corner of the turnout installation device 7 on the other side of the rail is measured with a steel ruler, which is the deviation value of the squareness of the turnout installation device 7.

[0027] The above description is merely a preferred embodiment of this utility model; however, the protection scope of this utility model is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the technical scope disclosed in this utility model, based on the technical solution and its improved concept, should be included within the protection scope of this utility model.

Claims

1. A square infrared measuring instrument for urban rail turnouts, characterized in that, The bracket includes a support body (1), which is a cross-shaped structure, including a horizontally extending crossbar (11) and a longitudinally extending long plate (12) that are perpendicularly connected to each other. The upper surface of the front end of the longitudinally extending long plate (12) is perpendicularly connected to the limiting plate (3). The limiting plate (3) is used to fix the infrared projector (5). The bottom ends of the horizontally extending crossbar (11) of the support body (1) are respectively connected to a limiting post (4). The bottom of the longitudinally extending long plate (12) of the support body (1) is inlaid with a magnet (2).

2. The infrared measuring instrument for the squareness of urban rail turnouts according to claim 1, characterized in that, The horizontally extending crossbar (11) of the support body (1) is parallel to the rail (6), and the longitudinally extending long plate (12) of the support body (1) is perpendicular to the rail (6).

3. The infrared measuring instrument for the squareness of urban rail turnouts according to claim 1, characterized in that, The limiting plate (3) includes a first plate (31) and a second plate (32) that are perpendicularly connected to each other and form an L-shaped structure. The opening of the L-shaped structure of the limiting plate (3) is set away from the rear end of the longitudinally extending long plate (12). An infrared projector (5) is installed between the first plate (31) and the second plate (32).

4. The infrared measuring instrument for the squareness of urban rail turnouts according to claim 1, characterized in that, There are two limiting posts (4), which are cylindrical. The side walls of the two limiting posts (4) are in contact with the side walls of the rail (6), and the lower surface of the longitudinally extending plate (12) is in contact with the upper surface of the rail (6).

5. The infrared measuring instrument for the squareness of urban rail turnouts according to claim 1, characterized in that, The magnet (2) is embedded at the bottom of the rear end of the longitudinally extending plate (12) of the support body (1) and is made of neodymium iron boron strong magnetic material.

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