A mobile subway line and viaduct dynamic displacement monitoring device

Abstract

The application discloses a kind of mobile subway line and viaduct dynamic displacement monitoring devices, including support frame, laser emission mechanism, temperature measuring mechanism and control system;Laser emission mechanism is used to the observation reference point of target line emits laser line bundle;Temperature measuring mechanism is used to detect the temperature of target, including temperature sensor, temperature sensor is installed in the end side of support rod by mounting bracket;Control system includes programmable controller.The application can measure the dynamic phase error amount of steel rail and the rail waist temperature of steel rail simultaneously by laser emitter and temperature sensor, improve work efficiency;By insulation wheel group, it can move quickly on the track, reduce the demand for artificial, can carry out general survey to the whole line, also can be quickly positioned to suspected section of disease (section of phase error value exceeds reasonable range) to carry out encryption monitoring or long-term control, greatly improve the flexibility and efficiency of monitoring work.

Description

Technical Field

[0001] This invention relates to the field of rail transit infrastructure inspection technology, and in particular to a dynamic displacement monitoring device for mobile subway lines and elevated bridges. Background Technology

[0002] As an important component of urban rail transit systems, the long-term structural stability and operational safety of subway lines and elevated bridges are of paramount importance.

[0003] Seamless track is a key track equipment to ensure the safe and stable operation of subway trains. Compared with traditional track, the rails of seamless track are subjected to greater temperature forces and train braking forces. Uneven stress inside the rails may cause rail bulging and runaway in high-temperature seasons or rail breakage, double folding of the rail joints, and severe track swaying in low-temperature seasons, which seriously affect operational safety.

[0004] The dynamic relative displacement (phase displacement) between two rails is a key indicator reflecting the condition of the track, the health of the bridge structure, and the smoothness of the track. Real-time and accurate monitoring of the dynamic displacement and temperature of the rails is a fundamental task for preventing accidents, guiding maintenance, and ensuring operational safety.

[0005] Currently, the inspection of seamless circuits is mostly done manually, measuring each one individually, which is costly and inefficient. Summary of the Invention

[0006] To address the shortcomings of existing technologies, this invention provides a mobile dynamic displacement monitoring device for subway lines and elevated bridges, which solves the problems of high labor costs and low detection efficiency caused by manually measuring seamless lines one by one in existing technologies.

[0007] The technical solution adopted by the present invention to solve the above-mentioned technical problems is as follows: A mobile dynamic displacement monitoring device for subway lines and elevated bridges, comprising: The support frame is horizontally arranged and includes a horizontally arranged support rod and a mounting rod that is perpendicularly intersecting the support rod. The mounting rod is located at one end of the support rod. Insulating wheels are respectively provided at the bottom of the end of the support rod away from the mounting rod and at the bottom of both ends of the mounting rod. The laser emitting mechanism is used to emit laser beams to the observation reference point of the target line. It includes two sets of cross laser emitters and adjustable linkage brackets. The cross laser emitters are respectively installed at both ends of the support rod through the adjustable linkage brackets. The laser emission angle of the cross laser emitters can be adjusted by adjusting the angle of the adjustable linkage brackets. A temperature measuring mechanism for detecting the temperature of a target includes a temperature sensor and a mounting bracket. The temperature sensor is mounted on one side of the end of a support rod via the mounting bracket. By controlling the connection angle between the mounting bracket and the support frame, the orientation of the sensing end of the temperature sensor can be controlled. The control system includes a control cabinet and a programmable controller. The control cabinet is mounted on the upper part of the support frame, and the programmable controller is installed inside the control cabinet. The cross laser emitter, temperature sensor and programmable controller are electrically connected.

[0008] Furthermore, the insulating wheel is a lightweight nylon insulating single-sided track wheel, and the insulating wheel is connected to the support rod and the mounting rod through a wheel bracket.

[0009] Furthermore, each end of the support rod is provided with a mounting base for mounting an adjustable connecting rod bracket; the adjustable connecting bracket includes a first connecting rod, a fixed clamping plate, and a second connecting rod. The first connecting rod is fixedly connected to the mounting base, and the second connecting rod is connected to the housing of the laser emitter. The fixed clamping plate is used to connect the first connecting rod and the second connecting rod, and the first connecting rod and the second connecting rod can swing at multiple angles relative to the fixed clamping plate.

[0010] Furthermore, a push rod is provided on the upper part of the support rod, and the push rod is connected to the support rod through an adjustable connecting seat.

[0011] Furthermore, the adjustable connecting seat includes a fixed seat, a connecting column, a connecting frame, and a fixing pin. The lower end of the fixed seat is fixedly connected to the support rod, and the connecting column is rotatably mounted on the fixed seat. The upper end of the connecting frame is fixedly connected to the push rod, and the connecting frame is sway-connected to the upper end of the connecting column. A positioning pin is horizontally arranged on the connecting frame, and a positioning plate is arranged on the connecting column. The positioning plate has multiple positioning slots that can be adapted to the positioning pin.

[0012] Furthermore, the temperature sensor is equipped with a display, which is mounted on the cabinet door panel of the control cabinet. The display is electrically connected to the programmable controller and is used to display the measurement results of the temperature sensor in real time.

[0013] Furthermore, the temperature sensor is an infrared temperature sensor.

[0014] Furthermore, pull rings are provided at both ends of the support rod.

[0015] Furthermore, the control cabinet door panel is equipped with a laser switch and a temperature measuring switch, which are electrically connected to the programmable controller; a power supply is installed inside the control cabinet.

[0016] Furthermore, the power supply is equipped with a low battery alarm, which is electrically connected to the programmable controller.

[0017] Compared with the prior art, the beneficial effects of the present invention are as follows: This invention, through a laser emitter and temperature sensor, can simultaneously measure the dynamic phase misalignment and rail web temperature of the rail, improving work efficiency. It allows for independent operation by a single person, enabling one-time displacement and rail temperature detection. The insulated wheel assembly allows for rapid movement along the track, reducing manual labor requirements. It can conduct comprehensive surveys of the entire line or quickly locate sections suspected of defects (sections with phase misalignment values ​​exceeding reasonable ranges) for intensive monitoring or long-term surveillance, greatly improving the flexibility and efficiency of monitoring work. Equipped with a low-battery alarm, it prevents monitoring interruptions due to power depletion, improving the reliability and continuity of the equipment. This invention features a simple and easy-to-operate design; low manufacturing cost; robust and durable; and convenient for construction and transport. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of the present invention; Figure 2 This is a schematic diagram illustrating the usage state of the present invention; Figure 3 for Figure 1 Enlarged diagram of point A in the diagram; Figure 4 for Figure 2 Enlarged diagram of point B in the image; Figure 5 This is a block diagram of the control circuit of the present invention.

[0019] In the diagram: 100 Support frame; 110 Support rod; 111 Mounting seat; 112 Pull ring; 120 Mounting rod; 130 Insulating wheel; 131 Rotary wheel bracket; 140 Push rod; 150 Adjustable connecting seat; 151 Fixed seat; 152 Connecting column; 153 Connecting frame; 154 Fixing pin; 155 Positioning pin; 156 Positioning plate; 156A Positioning bayonet; 200. Laser emitting mechanism; 210. Laser emitter; 211. Laser switch; 220. Adjustable linkage bracket; 221. First connecting rod; 222. Fixed clamp; 223. Second connecting rod; 300. Temperature measuring mechanism; 310. Temperature sensor; 311. Display; 312. Temperature measuring switch; 320. Mounting bracket; 400. Control system; 410. Control cabinet; 411. Cabinet door; 412. Power supply; 413. Low battery alarm; 420. Programmable controller; 510. Track; 520. Observation benchmark; 530. Displacement scale. Detailed Implementation

[0020] The technical solution of the present invention will be further described in a non-limiting manner below with reference to the accompanying drawings and specific embodiments.

[0021] like Figures 1-5 As shown, the present invention provides a mobile dynamic displacement monitoring device for subway lines and elevated bridges, comprising: The support frame 100 is horizontally arranged and includes a horizontally arranged support rod 110 and a mounting rod 120 that is perpendicularly intersecting the support rod 110. The mounting rod 120 is located at one end of the support rod 110. Insulating wheels 130 are respectively provided at the bottom of the end of the support rod 110 away from the mounting rod 120 and at the bottom of both ends of the mounting rod 120. The support frame 100 can move on the two steel rails 510 via the insulating wheels 130; the three insulating wheels 130 form a triangle to keep the device moving stably.

[0022] The laser emitting mechanism 200 is used to emit laser beams to the observation reference point of the target line. It includes two sets of cross laser emitters 210 and adjustable linkage brackets 220. The cross laser emitters 210 are respectively installed at both ends of the support rod 110 through the adjustable linkage brackets 220. The laser emission angle of the cross laser emitters 210 can be adjusted by adjusting the angle of the adjustable linkage brackets 220. When the cross laser emitter 210 emits a cross laser at the correct laser emission angle, the center point of the cross laser is aligned with the reference point of the rail displacement observation reference 520. One laser line in the cross laser is aligned with the horizontal groove at the top of the rail displacement observation reference 520. Another laser line in the cross laser extends to the rail displacement scale 530 on the rail. At this time, the staff reads the rail displacement scale 530 indicated by the laser line to obtain the displacement of the rail 510. Through the displacement of the two rails 510, the misalignment of the two rails 510 can be calculated. The temperature measuring mechanism 300, used to detect the temperature of a target, includes a temperature sensor 310 and a mounting bracket 320. The temperature sensor 310 is mounted on one end of a support rod 110 via the mounting bracket 320, and the mounting bracket 320 is connected to the support rod 110 by bolts. By controlling the connection angle between the mounting bracket 320 and the support frame 100, the orientation of the detection end of the temperature sensor 310 can be controlled. By adjusting the probe end of the temperature sensor 310 toward the web of the rail, the temperature of the rail web can be detected. The control system 400 includes a control cabinet 410 and a programmable controller 420. The control cabinet 410 is installed on the upper part of the support frame 100, and the programmable controller 420 is installed inside the control cabinet 410. The cross laser emitter 210, the temperature sensor 310 and the programmable controller are electrically connected. The wiring of the cross laser emitter 210 and the temperature sensor 310 can enter the control cabinet 410 from inside the support frame to prevent them from being exposed to sun and rain. The drive part of the laser emitter 210 is installed inside the control cabinet 410 and is protected by the control cabinet 410.

[0023] Furthermore, the insulating wheel 130 is a lightweight nylon insulating single-sided track wheel, which facilitates movement on the steel rail 510 of this device; the insulating wheel 130 is connected to the support rod 110 and the mounting rod 120 through the wheel bracket 131.

[0024] Furthermore, the support rod 110 is provided with mounting seats 111 at both ends for mounting the adjustable connecting rod bracket 220. The adjustable connecting bracket 220 includes a first connecting rod 221, a fixed clamping plate 222, and a second connecting rod 223. The first connecting rod 221 is fixedly connected to the mounting seat 111, and the second connecting rod 223 is connected to the housing of the laser emitter 210. The fixed clamping plate 222 is used to connect the first connecting rod 221 and the second connecting rod 223, and the first connecting rod 221 and the second connecting rod 223 can swing at multiple angles relative to the fixed clamping plate 222. The first connecting rod 221, the second connecting rod 223 and the fixed clamping plate 222 can be connected by a ball joint structure. By adjusting the angle between the first connecting rod 221, the second connecting rod 223 and the fixed clamping plate 222, the laser emission angle of the laser emitter 210 can be adjusted.

[0025] Furthermore, a push rod 140 is provided on the upper part of the support rod 110, and the push rod 140 is connected to the support rod 110 through an adjustable connecting seat 150. The push rod 140 facilitates the movement of the device on the rail 510 by the operator.

[0026] Furthermore, the adjustable connecting seat 150 includes a fixed seat 151, a connecting column 152, a connecting frame 153, and a fixing pin 154. The lower end of the fixed seat 151 is fixedly connected to the support rod 110, and the connecting column 152 is rotatably mounted on the fixed seat 151. The upper end of the connecting frame 153 is fixedly connected to the push rod, and the connecting frame 153 is sway-connected to the upper end of the connecting column 152. A positioning pin 155 is horizontally arranged on the connecting frame 153, and a positioning plate 156 is arranged on the connecting column 152. The positioning plate 156 has multiple positioning slots 156A that can be adapted to the positioning pin 155.

[0027] By adjusting the positioning pin 155 in conjunction with different positioning slots 156A, the tilt angle of the push rod 140 can be adjusted to suit workers of different heights.

[0028] Furthermore, the temperature sensor 310 is equipped with a display 311, which is mounted on the cabinet door panel 411 of the control cabinet 410. The display 311 is electrically connected to the programmable controller 420 and is used to display the measurement results of the temperature sensor 310 in real time.

[0029] Furthermore, the temperature sensor 310 is an infrared temperature sensor.

[0030] Furthermore, pull rings 112 are provided at both ends of the support rod 110; the pull rings 112 facilitate the lifting of the device by the staff.

[0031] Furthermore, the control cabinet 410 is equipped with a laser switch 211 and a temperature switch 312 on its cabinet door panel 411. The laser switch 211 and the temperature switch 312 are electrically connected to the programmable controller. The laser switch 211 is used to control the cross emitter 210 to open or close, and the temperature switch 312 is used to control the temperature sensor 310 to open or close. The control cabinet 410 is equipped with a power supply 412, which provides energy to various electrical components.

[0032] Furthermore, the power supply 412 is equipped with a low battery alarm 413, which is electrically connected to the programmable controller 420.

[0033] Working principle: When using this invention, the operator lifts the device by pulling the ring 112, and after aligning the insulating wheel 130 with the rail 510, places the device on the rail 510.

[0034] Afterwards, a worker can push the device on the rail 510 using push rod 140. Upon reaching the observation point, the rail phase misalignment can be detected via laser emission mechanism 200. When laser switch 211 is turned on, cross laser emitter 210 emits a cross laser beam. The position of cross laser emitter 210 is adjusted via adjustable connecting rod bracket 220 to ensure that the horizontal beam of the cross laser beam coincides with the center point of rail displacement observation benchmark pile 520, and the vertical beam coincides with the vertical mark of rail displacement scale 530. At this time, the reading of rail displacement scale 530 pointed to by the horizontal beam is the amount of rail movement. A simple calculation of the rail displacement scale 530 readings of the two rails gives the amount of misalignment between the two rails.

[0035] In addition, when it is necessary to detect the temperature of the rail, the staff turns on the temperature measuring switch 312, the temperature sensor 310 works, the observation point of the temperature sensor 310 is the web of the rail, and the measured temperature is displayed in real time through the temperature display 311.

[0036] The above tasks can be completed independently by one staff member.

[0037] Furthermore, by using the adjustable connecting seat 150 to engage the fixing pin 154 with different positioning slots 156A, the tilt angle of the push rod 140 can be adjusted to accommodate workers of different heights.

[0038] Although preferred embodiments of the invention have been shown and described, those skilled in the art can make various modifications or substitutions to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A mobile dynamic displacement monitoring device for subway lines and elevated bridges, characterized in that, include: The support frame (100) is horizontally arranged and includes a support rod (110) arranged horizontally and an installation rod (120) arranged perpendicularly to the support rod (110). The installation rod (120) is located at one end of the support rod (110). Insulating wheels (130) are respectively provided at the bottom of the end of the support rod (110) away from the installation rod (120) and at the bottom of both ends of the installation rod (120). The laser emitting mechanism (200) is used to emit laser beams to the observation reference point of the target line. It includes two sets of cross laser emitters (210) and adjustable linkage brackets (220). The cross laser emitters (210) are respectively installed at both ends of the support rod (110) through the adjustable linkage brackets (220). The laser emission angle of the cross laser emitters (210) can be adjusted by adjusting the angle of the adjustable linkage brackets (220). The temperature measuring mechanism (300) is used to detect the temperature of the target, including a temperature sensor (310) and a mounting bracket (320). The temperature sensor (310) is mounted on one side of the end of the support rod (110) through the mounting bracket (320). By controlling the connection angle between the mounting bracket (320) and the support frame (100), the orientation of the detection end of the temperature sensor (310) can be controlled. The control system (400) includes a control cabinet (410) and a programmable controller (420). The control cabinet (410) is installed on the upper part of the support frame (100), and the programmable controller (420) is installed inside the control cabinet (410). The cross laser emitter (210), the temperature sensor (310) and the programmable controller (420) are electrically connected.

2. The mobile subway line and elevated bridge dynamic displacement monitoring device according to claim 1, characterized in that: The insulating wheel (130) is a lightweight nylon insulating single-sided track wheel. The insulating wheel (130) is connected to the support rod (110) and the mounting rod (120) through the wheel bracket (131).

3. The mobile subway line and elevated bridge dynamic displacement monitoring device according to claim 1, characterized in that: The support rod (110) has mounting seats (111) at both ends for mounting the adjustable connecting rod bracket (220); the adjustable connecting bracket (220) includes a first connecting rod (221), a fixed clamp (222) and a second connecting rod (223). The first connecting rod (221) is fixedly connected to the mounting seat (111), and the second connecting rod (223) is connected to the housing of the laser emitter (210). The fixed clamp (222) is used to connect the first connecting rod (221) and the second connecting rod (223), and the first connecting rod (221) and the second connecting rod (223) can swing at multiple angles relative to the fixed clamp (222).

4. The mobile subway line and elevated bridge dynamic displacement monitoring device according to claim 1, characterized in that: A push rod (140) is provided on the upper part of the support rod (110), and the push rod (140) is connected to the support rod (110) through an adjustable connecting seat (150).

5. The mobile subway line and elevated bridge dynamic displacement monitoring device according to claim 4, characterized in that: The adjustable connecting seat (150) includes a fixed seat (151), a connecting column (152), a connecting frame (153), and a fixing pin (154). The lower end of the fixed seat (151) is fixedly connected to the support rod (110), and the connecting column (152) is rotatably mounted on the fixed seat (151). The upper end of the connecting frame (153) is fixedly connected to the push rod (140), and the connecting frame (153) is sway-connected to the upper end of the connecting column (152). A positioning pin (155) is horizontally arranged on the connecting frame (153), and a positioning plate (156) is arranged on the connecting column (152). The positioning plate (156) has multiple positioning slots (156A) that can be adapted to the positioning pin (155).

6. The mobile subway line and elevated bridge dynamic displacement monitoring device according to claim 1, characterized in that: The temperature sensor (310) is equipped with a display (311), which is mounted on the cabinet door (411) of the control cabinet (410). The display (311) is electrically connected to the programmable controller (420) and is used to display the measurement results of the temperature sensor (310) in real time.

7. The mobile subway line and elevated bridge dynamic displacement monitoring device according to claim 6, characterized in that: The temperature sensor (310) is an infrared temperature sensor.

8. The mobile subway line and elevated bridge dynamic displacement monitoring device according to claim 1, characterized in that: Pull rings (112) are provided at both ends of the support rod (110).

9. The mobile subway line and elevated bridge dynamic displacement monitoring device according to claim 1, characterized in that: The control cabinet (410) has a laser switch (211) and a temperature switch (312) installed on its door panel (411). The laser switch (211) and the temperature switch (312) are electrically connected to the programmable controller (420). The control cabinet (410) is equipped with a power supply (412).

10. The mobile subway line and elevated bridge dynamic displacement monitoring device according to claim 9, characterized in that: The power supply (412) is equipped with a low battery alarm (413), which is electrically connected to the programmable controller (420).

Images