Shield tunnel shallow soil covering section ground surface settlement real-time monitoring device

Abstract

The invention discloses a shield tunnel shallow soil covering section ground surface settlement real-time monitoring device, and relates to the technical field of ground surface settlement monitoring, the shield tunnel shallow soil covering section ground surface settlement real-time monitoring device comprises a measuring assembly used for monitoring shield tunnel shallow soil covering section ground surface settlement in real time and an infrared receiver, and the outer surface of one side of the measuring assembly is provided with a contraction assembly used for storage; the outer surface of the contraction assembly is provided with a supporting assembly used for keeping the measuring assembly stable. According to the shield tunnel shallow soil covering section ground surface settlement real-time monitoring device, adjustment in two directions is achieved through transmission of a turbine and a worm and meshing of a first tooth embedded tooth and a second tooth embedded tooth with a tooth embedded tooth ring, a motor drives the worm to rotate, a fixing shaft is driven by the turbine to rotate, the vertical monitoring angle of an infrared measuring instrument body is adjusted, and the measurement accuracy is improved. The second hydraulic rod pushes the moving frame, so that the jaw tooth ring is meshed with the first jaw tooth to drive the second supporting frame to rotate, and angle adjustment of the infrared measuring instrument body in the horizontal direction is achieved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of ground settlement monitoring, in particular to a shield tunnel shallow soil covering section ground settlement real-time monitoring device. BACKGROUND

[0002] The ground settlement monitoring device is a professional equipment system for real-time capturing, accurate quantification and system analysis of ground vertical displacement phenomena, and is widely used in geological disaster prevention and control, urban engineering construction, mineral resource development and other fields.

[0003] The core measuring components of the existing ground settlement monitoring device are mostly fixed installation design, that is, the monitoring direction and angle are fixed when the components are factory-finished and installed at the monitoring point, so that the monitoring range is limited in the fixed area from the beginning of installation. When applied to the shield tunnel shallow soil covering section, the ground slope in the shield tunnel shallow soil covering section changes greatly, the monitoring points are scattered, and the uneven monitoring blind area is prone to occur, so that the existing ground settlement monitoring device cannot collect complete settlement data of the ground surface of the shield tunnel shallow soil covering section.

[0004] Therefore, we propose a shield tunnel shallow soil covering section ground settlement real-time monitoring device to solve the problems raised in the above. SUMMARY

[0005] The purpose of the present application is to provide a shield tunnel shallow soil covering section ground settlement real-time monitoring device to solve the problem that the existing ground settlement monitoring device is applied to the shield tunnel shallow soil covering section with great changes in ground slope, the monitoring points are scattered and uneven monitoring blind area is prone to occur, resulting in incomplete settlement data collection of the ground surface of the shield tunnel shallow soil covering section.

[0006] To achieve the above purpose, the present application provides the following technical scheme: a shield tunnel shallow soil covering section ground settlement real-time monitoring device, comprising a measuring assembly for real-time monitoring of ground settlement of a shield tunnel shallow soil covering section and an infrared receiver, one side of the measuring assembly is provided with a retracting assembly for storage, an outer surface of the retracting assembly is provided with a supporting assembly for stabilizing the measuring assembly, the measuring assembly comprises a bottom plate and a first screw rod, one side of the bottom plate is fixedly connected with a first support frame, one side of the first support frame is rotatably connected with a second support frame, a vortex rod is movably embedded between opposite inner walls of one side of the second support frame, a fixed shaft is movably embedded between opposite inner walls of the other side of the second support frame, an infrared measuring instrument body is arranged on an outer surface of the fixed shaft, a turbine is fixedly sleeved on an outer surface of the fixed shaft, a first toothed gear is fixedly connected to one side of the second support frame, and a second toothed gear is fixedly sleeved on an outer surface of one end of the vortex rod.

[0007] Preferably, the outer surface of the vortex rod is engaged with the outer surface of the turbine, the outer surface of the first screw rod is fixedly sleeved with a first gear ring near one end, and the outer surface of one side of the bottom plate is provided with a hydraulic rod near the edge.

[0008] Preferably, the inner wall of one side of the moving frame is rotatably connected with a gear ring, the outer surface of the gear ring is fixedly sleeved with a first gear, the other inner wall of the moving frame is rotatably connected with a second gear ring, and the outer surface of the second gear ring is fixedly sleeved with a second gear.

[0009] Preferably, the outer surface of the output shaft of the motor is fixedly sleeved with a gear cylinder, the outer surface of the first gear is engaged with the outer surface of the gear cylinder, and the outer surface of the second gear is engaged with the outer surface of the gear cylinder.

[0010] Preferably, the inner wall of the third support frame is rotatably connected with the outer surface of the output shaft near one end, the contraction assembly comprises a first sliding cylinder, one end of the first sliding cylinder is fixedly connected with the outer surface of the other side of the bottom plate, and the outer surface of the first screw rod is rotatably connected with the inner wall of the first sliding cylinder.

[0011] Preferably, the outer surface of the first sliding cylinder is slidably connected with a second sliding cylinder, the inner wall of the second sliding cylinder is fixedly connected with a first moving cylinder, the inner wall of the first moving cylinder is threadedly connected with the outer surface of the first screw rod, and the outer surface of the first moving cylinder is rotatably connected with a second screw rod.

[0012] Preferably, the inner wall of the second screw rod is slidably connected with the outer surface of the first screw rod, the outer surface of the second sliding cylinder is slidably connected with a third sliding cylinder, the inner wall of the third sliding cylinder is fixedly connected with a second moving cylinder, and the inner wall of the second moving cylinder is threadedly connected with the outer surface of the second screw rod.

[0013] Preferably, the support assembly comprises a fixed plate, the inner wall of the fixed plate is fixedly connected with the outer surface of the third sliding cylinder near one end, the outer surface of the fixed plate is fixedly connected with a plurality of connecting plates, every two adjacent connecting plates of the plurality of connecting plates form a group, and the first rotating shaft is movably embedded between the opposite inner walls of the plurality of groups of connecting plates.

[0014] Preferably, the outer surface of the first rotating shaft is fixedly sleeved with a first rotating plate, the opposite inner walls of the plurality of first rotating plates are fixedly embedded with a second rotating shaft, the outer surface of the second rotating shaft is movably embedded with a second rotating plate, and the outer surface of the third sliding cylinder is threadedly connected with a sliding rail.

[0015] Preferably, the inner wall of the plurality of second rotating plates is movably embedded with a third rotating shaft near one side edge, the outer surface of the plurality of third rotating shafts is fixedly sleeved with a rotating frame between the two ends, the outer surface of the plurality of rotating frames is fixedly connected with a sliding block, and the outer surface of the plurality of sliding blocks is slidably connected with the inner wall of the sliding rail.

[0016] Compared with the prior art, the present application has the following advantages: 1、The device is provided with a measuring assembly, which can realize adjustment in two directions through turbine and worm gear transmission, meshing of the first toothed gear and the second toothed gear with the toothed gear ring, first, the motor drives the worm to rotate, the fixed shaft is driven to rotate through the turbine, and then the up-down monitoring angle of the infrared measuring instrument body is adjusted, covering the settlement monitoring requirements of different heights, second, the hydraulic rod pushes the moving frame, the toothed gear ring is meshed with the first toothed gear to drive the second support frame to rotate, the horizontal angle of the infrared measuring instrument body is adjusted, the monitoring coverage is expanded, and the monitoring blind area is avoided, solving the problem that the existing ground settlement monitoring device cannot collect complete settlement data of the ground surface of the shield tunnel shallow soil covering section due to large ground slope change and scattered monitoring points.

[0017] 2、The device is provided with a contraction assembly, which can push the second sliding cylinder out through the thread cooperation between the first screw rod and the first moving cylinder, and then push the third sliding cylinder out again through the cooperation between the second screw rod and the second moving cylinder, realizing step-by-step adjustment of the length of the device, and the contraction assembly adopts a multi-sliding-cylinder nesting and screw rod transmission design, which can realize flexible length expansion and contraction, adapt to different interval monitoring points and infrared receivers, and is convenient for storage and transportation, improving the practicality and portability of the device.

[0018] 3、The device is provided with a support assembly, when the support assembly needs to be unfolded, rotating the sliding rail can drive the sliding block and the rotating frame to link, so that the first rotating plate and the second rotating plate form a triangular support structure, and the plurality of connecting plates cooperate with the first rotating shaft, the second rotating shaft and the third rotating shaft, so that the support angle can be flexibly adjusted to adapt to different slopes and flatness of the ground surface, and the fixing reliability of the device in complex environments is further improved. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a perspective view of the real-time monitoring device for ground settlement of a shield tunnel shallow soil covering section.

[0020] Figure 2 It is a first support frame part perspective view of the real-time monitoring device for ground settlement of a shield tunnel shallow soil covering section.

[0021] Figure 3It is the infrared measuring instrument body part perspective view of the shield tunnel shallow earth covering section ground surface settlement real-time monitoring device.

[0022] Figure 4 It is the second toothed ring part structure section view perspective view of the shield tunnel shallow earth covering section ground surface settlement real-time monitoring device.

[0023] Figure 5 It is the motor part perspective view of the shield tunnel shallow earth covering section ground surface settlement real-time monitoring device.

[0024] Figure 6 It is the first sliding cylinder part structure section view perspective view of the shield tunnel shallow earth covering section ground surface settlement real-time monitoring device.

[0025] Figure 7 It is the third sliding cylinder part structure section view perspective view of the shield tunnel shallow earth covering section ground surface settlement real-time monitoring device.

[0026] Figure 8 It is the second screw part structure section view perspective view of the shield tunnel shallow earth covering section ground surface settlement real-time monitoring device.

[0027] Figure 9 It is the support assembly part perspective view of the shield tunnel shallow earth covering section ground surface settlement real-time monitoring device.

[0028] Figure 10 It is the sliding rail part structure section view perspective view of the shield tunnel shallow earth covering section ground surface settlement real-time monitoring device.

[0029] In the figure: 1, measuring assembly; 101, bottom plate; 102, first support frame; 103, second support frame; 104, worm gear; 105, fixed shaft; 106, infrared measuring instrument body; 107, turbine; 108, first toothed gear; 109, second toothed gear; 110, first screw; 111, first toothed ring; 112, hydraulic rod; 113, moving frame; 114, toothed gear ring; 115, first gear; 116, second toothed ring; 117, second gear; 118, motor; 119, output shaft; 120, gear cylinder; 121, third support frame; 2, contraction assembly; 201, first sliding cylinder; 202, second sliding cylinder; 203, first moving cylinder; 204, second screw; 205, third sliding cylinder; 206, second moving cylinder; 3, support assembly; 301, fixed plate; 302, connecting plate; 303, first rotating shaft; 304, first rotating plate; 305, second rotating shaft; 306, second rotating plate; 307, sliding rail; 308, sliding block; 309, rotating frame; 310, third rotating shaft; 4, infrared receiver. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of the present application.

[0031] Please refer to Figures 1-10 The present application provides a technical solution: a shield tunnel shallow soil covering section ground surface settlement real-time monitoring device, comprising a measuring assembly 1 for real-time monitoring of the ground surface settlement of the shield tunnel shallow soil covering section and an infrared receiver 4, a contraction assembly 2 is arranged on one side of the outer surface of the measuring assembly 1 for storage, a support assembly 3 is arranged on the outer surface of the contraction assembly 2 for keeping the measuring assembly 1 stable, the measuring assembly 1 comprises a bottom plate 101 and a first screw rod 110, a first support frame 102 is fixedly connected to one side of the outer surface of the bottom plate 101, a second support frame 103 is rotatably connected to one side of the outer surface of the first support frame 102, a vortex rod 104 is movably embedded between the opposite inner walls of one side of the second support frame 103, a fixed shaft 105 is movably embedded between the opposite inner walls of the other side of the second support frame 103, an infrared measuring instrument body 106 is arranged on the outer surface of the fixed shaft 105, a turbine 107 is fixedly sleeved on the outer surface of the fixed shaft 105, a first toothed gear 108 is fixedly connected to one side of the outer surface of the second support frame 103, a second toothed gear 109 is fixedly sleeved on the outer surface of the vortex rod 104 close to one end, the outer surface of the vortex rod 104 is engaged with the outer surface of the turbine 107, a first toothed ring 111 is fixedly sleeved on the outer surface of the first screw rod 110 close to one end, a hydraulic rod 112 is arranged on the outer surface of the bottom plate 101 close to the edge, a moving frame 113 is fixedly connected to one end of the hydraulic rod 112, a toothed gear ring 114 is rotatably connected to one side of the inner wall of the moving frame 113, the first toothed gear 115 is fixedly sleeved on the outer surface of the toothed gear ring 114, a second toothed ring 116 is rotatably connected to the other side of the inner wall of the moving frame 113, the second toothed ring 116 is fixedly sleeved on the outer surface of the second toothed gear 117, a motor 118 is arranged on the outer surface of the bottom plate 101 close to the edge, an output shaft 119 is fixedly connected to the output end of the motor 118, a gear cylinder 120 is fixedly sleeved on the outer surface of the output shaft 119, the outer surface of the first toothed gear 115 is engaged with the outer surface of the gear cylinder 120, and the outer surface of the second toothed gear 117 is engaged with the outer surface of the gear cylinder 120.

[0032] In this embodiment, when the shield tunnel shallow overburden section ground surface settlement real-time monitoring device is in use, until the contraction assembly 2 is adjusted in place and the support assembly 3 stably fixes the device on the ground surface of the monitoring point, the control hydraulic rod 112 drives the moving frame 113 to move, the moving frame 113 synchronously drives the gear ring 114 to move towards the direction of the second gear ring 109, until the gear ring 114 is engaged with the second gear ring 109, at this time the motor 118 drives the gear cylinder 120 to continuously rotate, through the meshing transmission with the first gear 115 to drive the first gear 115 to rotate, the first gear 115 drives the gear ring 114 to synchronously rotate, the gear ring 114 drives the second gear ring 109 to rotate, the second gear ring 109 drives the fixedly connected worm 104 to rotate, the outer surface of the worm 104 rotates on the inner wall of the second support frame 103, at the same time the worm 104 rotates to drive the turbine 107 to rotate, the turbine 107 drives the fixed shaft 105 to rotate, the infrared measuring instrument body 106 is fixedly arranged on the outer surface of the fixed shaft 105, thereby driving the infrared measuring instrument body 106 to rotate up and down, when the infrared measuring instrument body 106 is moved to the appropriate position, the hydraulic rod 112 is started again to drive the moving frame 113 to move reversely, the moving frame 113 synchronously drives the second gear ring 116 to mesh with the first gear ring 111 and then to disengage to drive the gear ring 114 to move towards the direction of the first gear ring 108, until the gear ring 114 is completely engaged with the first gear ring 108, the gear ring 114 drives the first gear ring 108 to rotate, the first gear ring 108 rotates to drive the second support frame 103 to rotate, the surface of the second support frame 103 rotates along the inner wall of the first support frame 102, at the same time the second support frame 103 drives the fixed shaft 105 to rotate and move, the fixed shaft 105 drives the infrared measuring instrument body 106 to rotate and move, at the same time the outer surface of the turbine 107 rotates and moves along the outer surface of the worm 104, until the rotation angle of the infrared measuring instrument body 106 is appropriate, the infrared measuring instrument body 106 continuously emits stable infrared signals to the infrared receiver 4, the infrared receiver 4 receives the signals in real time and records the distance parameters of the signal propagation, when the hydraulic rod 112 drives the moving frame 113 to move, the outer surfaces of the first gear 115 and the second gear 117 are always engaged with the outer surface of the gear cylinder 120, the device can realize two-direction adjustment through the meshing of the turbine 107 and the worm 104 transmission, the first gear ring 108 and the second gear ring 109 and the gear ring 114, first, the motor 118 drives the worm 104 to rotate, the fixed shaft 105 is driven to rotate through the turbine 107, thereby adjusting the up and down monitoring angle of the infrared measuring instrument body 106, covering the settlement monitoring requirements of different heights, second, the hydraulic rod 112 drives the moving frame 113 to make the gear ring 114 engage with the first gear ring 108 to drive the second support frame 103 to rotate, realizing the horizontal angle adjustment of the infrared measuring instrument body 106,The application enlarges the monitoring coverage, avoids the monitoring blind area, and solves the problem that the existing ground settlement monitoring device is not complete in collecting the settlement data of the shallow earth covering section of the shield tunnel due to the large ground slope change and the scattered monitoring points.

[0033] As shown in Figures 1-10 The outer surface of one side of the bottom plate 101 is fixedly connected with a third support frame 121, and the inner wall of the third support frame 121 is rotatably connected with the outer surface of the output shaft 119 near one end. The contraction assembly 2 comprises a first sliding cylinder 201, one end of which is fixedly connected with the outer surface of the other side of the bottom plate 101. The outer surface of the first screw rod 110 is rotatably connected with the inner wall of the first sliding cylinder 201. The outer surface of the first sliding cylinder 201 is slidably connected with a second sliding cylinder 202. The inner wall of the second sliding cylinder 202 is fixedly connected with a first moving cylinder 203. The inner wall of the first moving cylinder 203 is threadedly connected with the outer surface of the first screw rod 110. The outer surface of the first moving cylinder 203 is rotatably connected with a second screw rod 204. The inner wall of the second screw rod 204 is slidably connected with the outer surface of the first screw rod 110. The outer surface of the second sliding cylinder 202 is slidably connected with a third sliding cylinder 205. The inner wall of the third sliding cylinder 205 is fixedly connected with a second moving cylinder 206. The inner wall of the second moving cylinder 206 is threadedly connected with the outer surface of the second screw rod 204.

[0034] In this embodiment, when the support assembly 3 stably fixes the device on the ground surface of the monitoring point, the motor 118 is started at this time, the output end of the motor 118 drives the output shaft 119 to rotate, the output shaft 119 drives the gear cylinder 120 on the outer surface to rotate synchronously, the gear cylinder 120 is engaged with the second gear 117, so that the second gear 117 drives the second toothed ring 116 to rotate, the hydraulic rod 112 is started at this time, the hydraulic rod 112 drives the moving frame 113 to move, the moving frame 113 drives the second toothed ring 116 to move, until the second toothed ring 116 is engaged with the first toothed ring 111, at this time the first toothed ring 111 drives the first screw 110 to rotate, the first screw 110 rotates and drives the first moving cylinder 203 connected with the outer surface of the first screw 110 to move synchronously, because the inner wall of the first moving cylinder 203 is threadedly connected with the first screw 110, and the first moving cylinder 203 is fixedly embedded in the inner wall of the second sliding cylinder 202, the first moving cylinder 203 drives the second sliding cylinder 202 to slide along the outer surface of the first sliding cylinder 201 to extend, at this time the nested structure between the first sliding cylinder 201 and the second sliding cylinder 202 is gradually unfolded, with the continuous rotation of the first screw 110, because the inner wall of the second screw 204 is slidably connected with the outer surface of the first screw 110, and the second screw 204 is rotatably connected with the outer surface of the first moving cylinder 203, the first screw 110 drives the second screw 204 to rotate synchronously; the second moving cylinder 206 connected with the outer surface of the second screw 204 moves with the rotation of the second screw 204, and the second moving cylinder 206 is fixedly embedded in the inner wall of the third sliding cylinder 205, thereby driving the third sliding cylinder 205 to slide along the outer surface of the second sliding cylinder 202 to extend, completing the secondary adjustment of the length of the device. The contraction assembly 2 is provided, the first screw 110 and the first moving cylinder 203 are threadedly connected, the second sliding cylinder 202 is driven to extend, and the second screw 204 and the second moving cylinder 206 are connected, the third sliding cylinder 205 is driven to extend twice, realizing the step-by-step adjustment of the length of the device. The contraction assembly 2 adopts the design of multiple sliding cylinder nesting and screw transmission, can realize flexible length expansion and contraction, is suitable for different interval monitoring points and infrared receivers 4, is convenient to store and transport, and improves the practicability and portability of the device.

[0035] As Figures 1-10As shown, the support assembly 3 comprises a fixed plate 301, the inner wall of which is fixedly connected with the outer surface of the third sliding cylinder 205 near one end, the outer surface of the fixed plate 301 is fixedly connected with a plurality of connecting plates 302, every two adjacent connecting plates 302 form a group, the opposite inner walls between the plurality of groups of connecting plates 302 are movably embedded with first rotating shafts 303, the outer surfaces of the plurality of first rotating shafts 303 are fixedly sleeved with first rotating plates 304, the opposite inner walls between the plurality of first rotating plates 304 are fixedly embedded with second rotating shafts 305, the outer surfaces of the plurality of second rotating shafts 305 are movably embedded with second rotating plates 306, the outer surface of the third sliding cylinder 205 is threadedly connected with a sliding rail 307, the inner walls of the plurality of second rotating plates 306 near one side edge are movably embedded with third rotating shafts 310, the outer surfaces of the plurality of third rotating shafts 310 between the two ends are fixedly sleeved with rotating frames 309, one side of the outer surface of the plurality of rotating frames 309 is fixedly connected with sliding blocks 308, and the outer surfaces of the plurality of sliding blocks 308 are slidably connected with the inner walls of the sliding rail 307.

[0036] In the embodiment, when the shield tunnel shallow overburden surface settlement real-time monitoring device is in use, the staff needs to first expand the support assembly 3 to contact the ground outside to provide stable support for the measuring assembly 1 and the contraction assembly 2. First, rotate the sliding rail 307, the inner wall of the sliding rail 307 will slide and threadedly move along the outer surface of the third sliding cylinder 205, while the outer surface of the sliding block 308 will slide along the inner wall of the sliding rail 307 when the sliding rail 307 spirally moves. The sliding of the sliding rail 307 drives the movement of the sliding block 308, the sliding block 308 drives the movement of the rotating frame 309, the rotating frame 309 drives the movement of the third rotating shaft 310, the third rotating shaft 310 pulls the second rotating plate 306, one side of the inner wall of the second rotating plate 306 will rotate along the outer surface of the third rotating shaft 310, and the other side of the inner wall of the second rotating plate 306 will rotate around the second rotating shaft 305, while one side of the inner wall of the first rotating plate 304 will drive the first rotating shaft 303 to rotate and expand, until the plurality of first rotating plates 304 and the ground and the first rotating plate 304 and the second rotating plate 306 form a triangular support structure, stably fixing the device on the ground surface of the monitoring point. The device is provided with the support assembly 3, when the support assembly 3 needs to be expanded, rotating the sliding rail 307 can drive the sliding block 308 and the rotating frame 309 to link, so that the first rotating plate 304 and the second rotating plate 306 form a triangular support structure, the plurality of connecting plates 302 cooperate with the first rotating shaft 303, the second rotating shaft 305 and the third rotating shaft 310, so that the support angle can be flexibly adjusted, the device can adapt to different slope and flatness of the ground surface, and the fixing reliability of the device in complex environment is further improved.

[0037] The method for using the device and the working principle are as follows: when the shield tunnel shallow overburden surface settlement real-time monitoring device is in use, the staff needs to first expand the supporting assembly 3 and contact the external ground to provide stable support for the measuring assembly 1 and the retracting assembly 2. First, rotate the slide rail 307, the inner wall of the slide rail 307 will slide and move along the outer surface of the third slide cylinder 205, and at the same time, the outer surface of the sliding block 308 will slide along the inner wall of the slide rail 307 when the slide rail 307 moves spirally. The slide rail 307 drives the sliding block 308 to move, and the sliding block 308 drives the rotating frame 309 to move, and the rotating frame 309 drives the third rotating shaft 310 to move, and the third rotating shaft 310 pulls the second rotating plate 306. One side of the inner wall of the second rotating plate 306 will rotate along the outer surface of the third rotating shaft 310, and the other side of the inner wall of the second rotating plate 306 will rotate around the second rotating shaft 305, and at the same time, one side of the inner wall of the first rotating plate 304 will drive the first rotating shaft 303 to rotate and expand, until the triangular support structure is formed between the plurality of first rotating plates 304 and the ground and between the first rotating plate 304 and the second rotating plate 306, and the device is stably fixed on the ground surface of the monitoring point. At this time, the motor 118 is started, and the output shaft 119 driven by the output end of the motor 118 rotates, and the gear cylinder 120 on the outer surface of the output shaft 119 rotates synchronously, and the gear cylinder 120 rotates through the meshing with the second gear 117, so that the second gear 117 drives the second toothed ring 116 to rotate. At this time, the hydraulic rod 112 is started, and the moving frame 113 is pushed to move, and the moving frame 113 drives the second toothed ring 116 to move, until the second toothed ring 116 is meshed with the first toothed ring 111. At this time, the first toothed ring 111 drives the first screw rod 110 to rotate, and the first moving cylinder 203 connected with the outer surface of the first screw rod 110 moves synchronously when the first screw rod 110 rotates. Since the inner wall of the first moving cylinder 203 is threadedly connected with the first screw rod 110, and the first moving cylinder 203 is fixedly embedded in the inner wall of the second slide cylinder 202, the first moving cylinder 203 pushes the second slide cylinder 202 to slide and extend along the outer surface of the first slide cylinder 201. At this time, the nested structure between the first slide cylinder 201 and the second slide cylinder 202 is gradually expanded, and the first screw rod 110 drives the second screw rod 204 to rotate synchronously as the second screw rod 204 is slidably connected with the outer surface of the first screw rod 110 and the first screw rod 110 is rotationally connected with the outer surface of the first moving cylinder 203.When the second screw 204 rotates, the second moving cylinder 206 threadedly connected to the outer surface of the second screw 204 moves, the second moving cylinder 206 is fixedly embedded in the inner wall of the third sliding cylinder 205, thereby pushing the third sliding cylinder 205 to slide along the outer surface of the second sliding cylinder 202 to extend, completing the secondary adjustment of the length of the device, until the overall extension of the contraction assembly 2 is adapted to the distance from the monitoring point and the infrared receiver 4, after the contraction assembly 2 is adjusted in place, the control hydraulic rod 112 continues to drive the moving frame 113 to move, the moving frame 113 synchronously drives the second toothed ring 116 to disengage from the first toothed ring 111, drives the toothed ring 114 to move in the direction of the second tooth 109, until the toothed ring 114 engages with the second tooth 109, at this time the gear cylinder 120 continues to rotate, drives the first gear 115 to rotate through the meshing transmission with the first gear 115, the first gear 115 synchronously rotates the toothed ring 114, the toothed ring 114 drives the second tooth 109 to rotate, the second tooth 109 drives the fixedly connected worm 104 to rotate, the outer surface of the worm 104 rotates in the inner wall of the second support frame 103, at the same time, the worm 104 drives the turbine 107 to rotate, the turbine 107 drives the fixed shaft 105 to rotate, the infrared measuring instrument body 106 is fixedly arranged on the outer surface of the fixed shaft 105, thereby driving the infrared measuring instrument body 106 to rotate up and down to adjust the angle, after the up and down angle of the infrared measuring instrument body 106 is moved to the appropriate position, the hydraulic rod 112 is started again to drive the moving frame 113 to move reversely, the moving frame 113 synchronously drives the second toothed ring 116 to engage with the first toothed ring 111, drives the toothed ring 114 to move in the direction of the first tooth 108, until the toothed ring 114 completely engages with the first tooth 108, the toothed ring 114 drives the first tooth 108 to rotate, the first tooth 108 drives the second support frame 103 to rotate when rotating, the surface of the second support frame 103 rotates along the inner wall of the first support frame 102, at the same time, the second support frame 103 drives the fixed shaft 105 to rotate and move, the fixed shaft 105 drives the infrared measuring instrument body 106 to rotate and move, at the same time, the outer surface of the turbine 107 rotates and moves along the outer surface of the worm 104, until the rotation angle of the infrared measuring instrument body 106 is appropriate, the infrared measuring instrument body 106 continuously emits stable infrared signals to the infrared receiver 4, the infrared receiver 4 receives the signals in real time and records the distance parameters of the signal propagation, when the moving frame 113 is moved by the hydraulic rod 112, the outer surfaces of the first gear 115 and the second gear 117 are always engaged with the outer surface of the gear cylinder 120.

[0038] The wiring diagram of the infrared measuring instrument body 106, the hydraulic rod 112, the motor 118 and the infrared receiver 4 in the present application belongs to the common knowledge in the art, and the working principle is a known technology, and the model is selected according to the actual use, so the control mode and the wiring arrangement of the infrared measuring instrument body 106, the hydraulic rod 112, the motor 118 and the infrared receiver 4 are not explained in detail.

[0039] Although the present application has been described in detail with reference to the foregoing embodiments, technical solutions recorded in the foregoing embodiments can be modified or some technical features can be replaced by equivalent ones by those skilled in the art, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A real-time monitoring device for surface settlement in shallow overburden sections of shield tunnels, comprising a measuring component (1) for real-time monitoring of surface settlement in shallow overburden sections of shield tunnels and an infrared receiver (4), wherein a shrinkable component (2) for housing is provided on one outer surface of the measuring component (1), and a support component (3) for maintaining the stability of the measuring component (1) is provided on the outer surface of the shrinkable component (2), characterized in that: The measuring component (1) includes a base plate (101) and a first screw (110). A first support frame (102) is fixedly connected to one outer surface of the base plate (101). A second support frame (103) is rotatably connected to one outer surface of the first support frame (102). A worm gear (104) is movably embedded between one side of the second support frame (103) and the inner wall. A fixed shaft (105) is movably embedded between the other side of the second support frame (103) and the inner wall. An infrared measuring instrument body (106) is provided on the outer surface of the fixed shaft (105). A turbine (107) is fixedly sleeved on the outer surface of the fixed shaft (105). A first toothed insert (108) is fixedly connected to one outer surface of the second support frame (103). A second toothed insert (109) is fixedly sleeved near one end on the outer surface of the worm gear (104).

2. The real-time monitoring device for surface settlement in shallow overburden sections of shield tunnels according to claim 1, characterized in that: The outer surface of the worm gear (104) meshes with the outer surface of the turbine (107). A first toothed ring (111) is fixedly sleeved on the outer surface of the first screw (110) near one end. A hydraulic rod (112) is provided on one side of the outer surface of the base plate (101) near the edge. A movable frame (113) is fixedly connected to one end of the hydraulic rod (112).

3. The real-time monitoring device for surface settlement in shallow overburden sections of shield tunnels according to claim 2, characterized in that: A toothed ring (114) is rotatably connected to one side of the inner wall of the movable frame (113), and a first gear (115) is fixedly sleeved on the outer surface of the toothed ring (114). A second toothed ring (116) is rotatably connected to the other side of the inner wall of the movable frame (113), and a second gear (117) is fixedly sleeved on the outer surface of the second toothed ring (116).

4. The real-time monitoring device for surface settlement in shallow overburden sections of shield tunnels according to claim 3, characterized in that: A motor (118) is provided on one side of the outer surface of the base plate (101) near the edge. The output end of the motor (118) is fixedly connected to an output shaft (119). A gear cylinder (120) is fixedly sleeved on the outer surface of the output shaft (119). The outer surface of the first gear (115) meshes with the outer surface of the gear cylinder (120), and the outer surface of the second gear (117) meshes with the outer surface of the gear cylinder (120).

5. The real-time monitoring device for surface settlement in shallow overburden sections of shield tunnels according to claim 4, characterized in that: A third support frame (121) is fixedly connected to one side of the outer surface of the base plate (101). The inner wall of the third support frame (121) is rotatably connected to the outer surface of the output shaft (119) near one end. The shrinking assembly (2) includes a first slide cylinder (201). One end of the first slide cylinder (201) is fixedly connected to the other side of the outer surface of the base plate (101). The outer surface of the first screw (110) is rotatably connected to the inner wall of the first slide cylinder (201).

6. The real-time monitoring device for surface settlement in shallow overburden sections of shield tunnels according to claim 5, characterized in that: The outer surface of the first slide cylinder (201) is slidably connected to the second slide cylinder (202), the inner wall of the second slide cylinder (202) is fixedly connected to the first movable cylinder (203), the inner wall of the first movable cylinder (203) is threadedly connected to the outer surface of the first screw (110), and the outer surface of the first movable cylinder (203) is rotatably connected to the second screw (204).

7. The real-time monitoring device for surface settlement in shallow overburden sections of shield tunnels according to claim 6, characterized in that: The inner wall of the second screw (204) is slidably connected to the outer surface of the first screw (110), and the outer surface of the second slide cylinder (202) is slidably connected to the third slide cylinder (205). The inner wall of the third slide cylinder (205) is fixedly connected to the second movable cylinder (206), and the inner wall of the second movable cylinder (206) is threadedly connected to the outer surface of the second screw (204).

8. The real-time monitoring device for surface settlement in shallow overburden sections of shield tunnels according to claim 7, characterized in that: The support assembly (3) includes a fixing plate (301). The inner wall of the fixing plate (301) is fixedly connected to the outer surface of the third slide cylinder (205) near one end. Multiple connecting plates (302) are fixedly connected to the outer surface of the fixing plate (301). Each pair of adjacent connecting plates (302) forms a group. A first rotating shaft (303) is movably embedded between the relative inner walls of the multiple groups of connecting plates (302).

9. The real-time monitoring device for surface settlement in shallow overburden sections of shield tunnels according to claim 8, characterized in that: The outer surfaces of the plurality of first rotating shafts (303) are fixedly fitted with first rotating plates (304), and the inner walls of the plurality of first rotating plates (304) are fixedly embedded with second rotating shafts (305). The outer surfaces of the plurality of second rotating shafts (305) are movably embedded with second rotating plates (306), and the outer surface of the third slide cylinder (205) is threadedly connected with slide rails (307).

10. The real-time monitoring device for surface settlement in shallow overburden sections of shield tunnels according to claim 9, characterized in that: Each of the inner walls of the multiple second rotating plates (306) is movably fitted with a third rotating shaft (310) near one edge. Each of the outer surfaces of the multiple third rotating shafts (310) is fixedly fitted with a rotating frame (309) near both ends. Each of the outer surfaces of one side of the multiple rotating frames (309) is fixedly connected with a slider (308). The outer surfaces of the multiple sliders (308) are slidably connected to the inner wall of the slide rail (307).

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