Tunnel monitoring practical training model

Abstract

The application discloses a tunnel monitoring practical training model, which comprises a main frame, a control system and a monitoring system, wherein the monitoring system and the control system are installed on the main frame. The control system controls the electric control mechanism through a computer upper computer program and a programmable logic controller, so that the main frame of the model is deformed to simulate the changes of the tunnel building in the use process. The arch waist lifting of the main frame is adjusted to simulate the convergence of the tunnel waist and the settlement change of the tunnel vault. The distance between the inner wall panels of the tunnel is adjusted to simulate the crack change of the tunnel. The monitoring system continuously monitors the changes and feeds back to the user. The main frame adopts a modular design, the main frame unit can be easily disassembled and installed, and the foot wheels are arranged to facilitate movement. The platform integrates two types of mechanisms for tunnel vault settlement and crack monitoring, and can synchronously demonstrate various engineering safety monitoring scenes. The design effectively solves the problem that the traditional test conditions are limited, has technical advantages of adjustable structure, modular function and intuitive display, and provides a standardized demonstration solution for engineering safety testing.

Description

Technical Field

[0001] This invention relates to the field of civil engineering technology, and in particular to a tunnel monitoring training model. Background Technology

[0002] In order to implement the national green development requirements, respond to the needs of the construction industry for intelligent construction transformation and upgrading, further improve the teaching quality of civil engineering and related majors, supplement and improve the existing experimental equipment conditions, solve the problems of backward experimental conditions and insufficient teaching resources for students, improve teaching quality, promote the construction of the college's intelligent construction practice curriculum system, and serve the training of intelligent construction professional skills talents.

[0003] This paper focuses on the teaching pain points of "Internet of Things monitoring technology for intelligent construction" and proposes a tunnel monitoring training model. Summary of the Invention

[0004] Based on the above description, this invention proposes a tunnel monitoring training model that changes the tunnel settlement, crack size, and earth pressure on the main frame to simulate the actual tunnel structure and conduct tests.

[0005] The technical solution of the present invention is implemented as follows: The present invention provides a tunnel monitoring training model, including a main frame, a control system and a monitoring system.

[0006] The main frame includes the right side panel, tunnel entrance slope, rear panel, upper panel, left side panel, main model frame, tunnel construction phase section, operation phase section section, and operation phase main body; The control system includes: tunnel settlement control system, crack control system, earth pressure control system, and operating terminal; The monitoring system includes: earth pressure monitoring system, arch waist convergence and arch crown settlement monitoring system, settlement monitoring system, crack monitoring system, steel reinforcement stress monitoring system, and monitoring and acquisition terminal; The tunnel settlement control system is installed on the main model frame and part of the main structure during operation. The tunnel settlement control system includes an upper guide rail chute, an upper fixing block, a lower guide rail chute, a lower fixing block, a settlement control motor, and a settlement plate. The upper and lower guide rail slides are installed on the main body of the model frame, and are connected to the settlement plate located on the main body of the operational phase through the upper and lower fixing blocks respectively on the upper and lower sides to guide the settlement plate. The settlement control motor is directly connected to the settlement plate to control its up and down movement. The crack control system is installed on the main model frame and part of the main structure during operation. The crack control system includes a crack control motor, a crack connection plate, and a crack pusher plate. The crack control motor is installed on the main body of the model frame. A crack connection plate is fixed on the other side of the motor to control its left and right movement. The crack push plate is fixed on the crack connection plate. By adjusting the rotation angle between the two, the crack push plate can be made to fit with the main body of the operational phase. The earth pressure control system includes an earth pressure connection plate, an earth pressure control motor, an earth pressure motor bracket, and a spring plunger. The earth pressure connection plate is installed on the main body of the model frame. The earth pressure control motor is connected and fastened to the earth pressure connection plate through the earth pressure motor bracket. The spring plunger is installed on the top of the earth pressure control motor. The earth pressure monitoring system is installed inside the tunnel during the construction phase and is in contact with the earth pressure control system. The earth pressure monitoring system includes: earth pressure gauges and earth pressure gauge mounting blocks. When the earth pressure control system generates pressure changes, the earth pressure gauge monitoring data changes in real time, simulating a real soil pressure change monitoring scenario. The arch waist convergence and arch crown settlement monitoring system is installed inside the main structure during the operation period and the tunnel construction period. The arch waist convergence and arch crown settlement monitoring system includes: a laser rangefinder, a universal joint, and a laser rangefinder bracket; The settlement monitoring system is installed above part of the main structure during the operational phase, among which, The settlement monitoring system includes: a storage tank, a storage tank support, a hydrostatic level, a hydrostatic level support, and a liquid inlet pipe; The crack monitoring system is installed above the main structure during the operational phase, among which, The crack monitoring system includes: a crack gauge, a crack gauge bracket, and a crack measuring plate; The steel reinforcement stress monitoring system is installed above the tunnel during the tunnel construction phase, among which, The rebar stress monitoring system includes: a rebar gauge and a rebar gauge connecting anchor rod.

[0007] The tunnel monitoring training model of the present invention has the following advantages over the prior art: (1) By setting up tunnel settlement control, crack control and earth pressure change to simulate the geological changes that occur in actual engineering, the test is conducted, which effectively solves the problem of lack of test conditions and facilitates testing and demonstration. (2) The sensor data is collected and analyzed by the linkage control system of various monitoring sensors. It can also simulate various types of on-site environmental changes from the construction process to actual use, and collect corresponding data using the corresponding sensors. (3) By simulating the actual tunnel style and defect situation, users can adjust according to the actual situation, flexibly add or remove test and use accessories, which is convenient for teaching and demonstration. Attached Figure Description

[0008] Figure 1 This is a three-dimensional view of the overall structure of a tunnel monitoring training model according to an embodiment of the present invention.

[0009] Figure 2 An exploded view of the tunnel monitoring training model.

[0010] Figure 3 This is a schematic diagram of part of the tunnel settlement control system.

[0011] Figure 4 This is a schematic diagram of part of the tunnel crack control system.

[0012] Figure 5 This is a schematic diagram of part of the tunnel earth pressure control system.

[0013] Figure 6 This is a schematic diagram of a partial cross-sectional structure of the tunnel monitoring system.

[0014] The attached diagram lists the components represented by each number as follows: 1-Right side panel, 2-Tunnel entrance slope, 3-Rear panel, 4-Upper panel, 5-Left side panel, 6-Main model frame, 7-Tunnel construction phase section, 8-Operation phase section section, 9-Operation phase section main body, 10-Tunnel settlement control system, 1001-Upper guide rail chute, 1002-Upper fixing block, 1003-Lower guide rail chute, 1004-Lower fixing block, 1005-Settlement control motor, 1006-Settlement plate, 11-Crack control system, 1101-Crack control motor, 1102-Crack connecting plate, 1103-Crack pushing plate, 12-Earth pressure control system, 1201-Earth pressure connecting plate, 1202-Earth pressure control motor, 1203 - Earth pressure motor bracket, 1204-Spring plunger, 13-Earth pressure monitoring system, 1301-Earth pressure gauge, 1302-Earth pressure gauge mounting block, 14-Arch waist convergence and arch crown settlement monitoring system, 1401-Laser rangefinder, 1402-Universal joint, 1403-Laser rangefinder bracket, 15-Settlement monitoring system, 1501-Storage tank, 1502-Storage tank bracket, 1503-Hydrostatic level, 1504-Hydrostatic level bracket, 1505-Liquid pipe, 16-Crack monitoring system, 1601-Crack gauge, 1602-Crack gauge bracket, 1603-Crack plate, 17-Reinforcing steel stress monitoring system, 1701-Reinforcing steel gauge, 1702-Reinforcing steel gauge connecting anchor, 18-Operating terminal, 19-Monitoring and acquisition terminal. Detailed Implementation

[0015] To facilitate understanding of this application, a more complete description will be provided below with reference to the accompanying drawings, which illustrate embodiments of the present application. However, the present application can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that the disclosure of this application will be thorough and complete.

[0016] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.

[0017] To address the shortcomings of the aforementioned technologies, the present invention aims to provide a tunnel monitoring training model to solve problems such as the difficulty of conducting teaching at construction sites, the difficulty of simulating actual geological changes in tunnels, and the poor effectiveness of purely video-based explanations.

[0018] like Figure 1-6 As shown, a tunnel monitoring training model includes a main frame, a control system, and a monitoring system, characterized in that: like Figure 1 The main frame shown includes the right side baffle 1, the tunnel entrance slope 2, the rear baffle 3, the upper baffle 4, the left side baffle 5, the main body of the model frame 6, the tunnel construction phase section 7, the operation phase section section 8, and the operation phase section main body 9. like Figure 3-5 The control system shown includes: a tunnel settlement control system 10, a crack control system 11, an earth pressure control system 12, and an operating terminal 18. like Figure 2 The monitoring system shown includes: earth pressure monitoring system 13, arch waist convergence and arch crown settlement monitoring system 14, settlement monitoring system 15, crack monitoring system 16, steel reinforcement stress monitoring system 17, and monitoring acquisition terminal 19. like Figure 3 The tunnel settlement control system 10 shown is installed on the main body 6 of the model frame and the main body 9 of the operation period. The tunnel settlement control system 10 includes an upper guide rail chute 1001, an upper fixing block 1002, a lower guide rail chute 1003, a lower fixing block 1004, a settlement control motor 1005, and a settlement plate 1006. The upper guide rail chute 1001 and the lower guide rail chute 1003 are installed on the main body 6 of the model frame and are connected to the settlement plate 1006 located on the main body 9 of the operation period through the upper fixing block 1002 and the lower fixing block 1004 on the upper and lower sides respectively, guiding the settlement plate 1006. The settlement control motor 1005 is directly connected to the settlement plate 1006 to control its up and down movement. The settlement control motor 1005 has built-in upper and lower limit switches to limit the extreme positions of the settlement plate 1006.

[0019] like Figure 4 The crack control system 11 is installed on the main body 6 of the model frame and the main body 9 of the operation period. The crack control system 11 includes a crack control motor 1101, a crack connecting plate 1102, and a crack push plate 1103. The crack control motor 1101 is installed on the main body 6 of the model frame, and the crack connecting plate 1102 is fixed on the other side of the motor to control its left and right movement. The crack control motor 1101 has built-in upper and lower limit switches to limit the extreme positions of the crack connecting plate 1102. The crack push plate 1103 is fixed on the crack connecting plate 1102, and the crack push plate 1103 is made to fit with the main body 9 of the operation period by adjusting the rotation angle between the two.

[0020] like Figure 3 The earth pressure control system 12 shown includes an earth pressure connecting plate 1201, an earth pressure control motor 1202, an earth pressure motor bracket 1203, and a spring plunger 1204. The earth pressure connecting plate 1201 is installed on the main body of the model frame 6. The earth pressure control motor 1202 is connected and fastened to the earth pressure connecting plate 1201 through the earth pressure motor bracket 1203. The spring plunger 124 is installed on the top of the earth pressure control motor 1202. The earth pressure control motor 1202 has built-in upper and lower limit switches. When it runs to the limit position, the spring plunger 1204 contacts the earth pressure gauge 1301 of the earth pressure monitoring system 13 to generate pressure.

[0021] like Figure 5 The earth pressure monitoring system 13 shown is installed inside the tunnel construction section 7 and is in contact with the earth pressure control system 12. The earth pressure monitoring system 13 includes an earth pressure gauge 1301 and an earth pressure gauge mounting block 1302.

[0022] like Figure 6 The arch waist convergence and arch crown settlement monitoring system 14 shown is installed inside the main body 9 during the operation period and the tunnel construction period section 7. The arch waist convergence and arch crown settlement monitoring system 14 includes: a laser rangefinder 1401, a universal joint 1402, and a laser rangefinder bracket 1403. Adjusting the angle of the universal joint, the horizontal direction is used for arch waist convergence monitoring, and tilting it to point towards the arch crown is used for arch crown settlement monitoring. When the tunnel settlement control system 10 undergoes displacement changes, the laser rangefinder 1401 measures the distance, and the monitoring data changes in real time, simulating the real arch waist convergence and arch crown settlement change monitoring scenario.

[0023] like Figure 6The settlement monitoring system 15 shown is installed above the main structure 9 during the operation period. The settlement monitoring system 4 includes: a liquid storage tank 1501, a liquid storage tank support 1502, a static level 1503, a static level support 1504, and a liquid passage pipe 1505. When the tunnel settlement control system 10 undergoes displacement changes, the static level 1503 installed on the settlement plate 1006 will simultaneously undergo displacement changes, creating a height difference with the static level 1503 at the benchmark point. The monitoring data changes in real time, simulating a real settlement change monitoring scenario. like Figure 6 The crack monitoring system 16 shown is installed above the main body 9 during the operation period. The crack monitoring system 16 includes: crack gauge 1601, crack gauge bracket 1602, and crack measuring plate 1603. When the crack control system 11 undergoes displacement change, the crack measuring plate 1603 will also undergo displacement change synchronously. The crack gauge 1601 records the distance change between itself and the crack measuring plate 1603. The monitoring data changes in real time, simulating a real crack change monitoring scenario. like Figure 6 The reinforcement stress monitoring system 17 shown is installed above the tunnel construction section 7. The reinforcement stress monitoring system 17 includes: reinforcement gauge 1701 and reinforcement gauge connecting anchor rod 1702. The connection method between reinforcement gauge 1701 and reinforcement gauge connecting anchor rod 1702 is used to simulate the actual installation scenario of reinforcement gauge. All of the above monitoring data are fed back to the cloud platform on the operation terminal 9 for display.

[0024] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A tunnel monitoring training model, comprising a main frame, a control system, and a monitoring system, characterized in that: The main frame includes a right side panel (1), a tunnel entrance slope (2), a rear panel (3), an upper panel (4), a left side panel (5), a main body of the model frame (6), a tunnel construction phase section (7), an operational phase section section (8), and an operational phase main body (9). The control system includes: a tunnel settlement control system (10), a crack control system (11), an earth pressure control system (12), and an operating terminal (18). The monitoring system includes: an earth pressure monitoring system (13), an arch waist convergence and arch crown settlement monitoring system (14), a settlement monitoring system (15), a crack monitoring system (16), a steel reinforcement stress monitoring system (17), and a monitoring and acquisition terminal (19).

2. The tunnel monitoring training model according to claim 1, characterized in that, The tunnel settlement control system (10) is installed on the main body of the model frame (6) and the main body of the operation period (9), wherein, The tunnel settlement control system (10) includes an upper guide rail chute (1001), an upper fixing block (1002), a lower guide rail chute (1003), a lower fixing block (1004), a settlement control motor (1005), and a settlement plate (1006). The upper guide rail slide (1001) and the lower guide rail slide (1003) are installed on the main body of the model frame (6), and are connected to the settlement plate (1006) located on the main body (9) during the operation period through the upper fixing block (1002) and the lower fixing block (1004) respectively on the upper and lower sides, guiding the settlement plate (1006). The settlement control motor (1005) is directly connected to the settlement plate (1006) to control its up and down movement.

3. The tunnel monitoring training model according to claim 1, characterized in that, The crack control system (11) is installed on the main body of the model frame (6) and the main body of the operational phase (9), wherein, The crack control system (11) includes a crack control motor (1101), a crack connection plate (1102), and a crack push plate (1103). The crack control motor (1101) is installed on the main body of the model frame (6). The crack connection plate (1102) is fixed on the other side of the motor to control its left and right movement. The crack push plate (1103) is fixed on the crack connection plate (1102). By adjusting the rotation angle between the two, the crack push plate (1103) is made to fit with the main body (9) of the operation period.

4. The tunnel monitoring training model according to claim 1, characterized in that, The earth pressure control system (12) includes an earth pressure connecting plate (1201), an earth pressure control motor (1202), an earth pressure motor bracket (1203), and a spring plunger (1204). The earth pressure connection plate (1201) is installed on the main body of the model frame (6). The earth pressure control motor (1202) is connected and fastened to the earth pressure connection plate (1201) through the earth pressure motor bracket (1203). The spring plunger (1204) is installed on the top of the earth pressure control motor (1202).

5. The tunnel monitoring training model according to claim 1, characterized in that, The earth pressure monitoring system (13) is installed inside the tunnel construction section (7) and is in contact with the earth pressure control system (12). The earth pressure monitoring system (13) includes: earth pressure gauge (1301) and earth pressure gauge mounting block (1302).

6. The tunnel monitoring training model according to claim 1, characterized in that, The arch waist convergence and arch crown settlement monitoring system (14) is installed inside the main structure (9) during the operation period and the tunnel construction period section (7), wherein, The arch waist convergence and arch crown settlement monitoring system (14) includes: a laser rangefinder (1401), a universal joint (1402), and a laser rangefinder bracket (1403). Adjusting the angle of the universal joint, the horizontal direction is for arch waist convergence monitoring, and tilting it to the direction pointing to the arch crown is for arch crown settlement monitoring.

7. The tunnel monitoring training model according to claim 1, characterized in that, The settlement monitoring system (15) is installed above the main structure (9) during the operation period, wherein, The sedimentation monitoring system (4) includes: a storage tank (1501), a storage tank support (1502), a static level (1503), a static level support (1504), and a liquid inlet pipe (1505).

8. The tunnel monitoring training model according to claim 1, characterized in that, The crack monitoring system (16) is installed above the main body (9) during the operation period, wherein, The crack monitoring system (16) includes: a crack gauge (1601), a crack gauge bracket (1602), and a crack gauge plate (1603).

9. A tunnel monitoring training model according to claim 1, characterized in that, The steel reinforcement stress monitoring system (17) is installed above the section (7) during tunnel construction, wherein, The rebar stress monitoring system (17) includes: a rebar gauge (1701) and a rebar gauge connecting anchor rod (1702).

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