CN209820414U - Monitoring equipment for tunnel clearance convergence and vault settlement monitoring - Google Patents
Monitoring equipment for tunnel clearance convergence and vault settlement monitoring Download PDFInfo
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- CN209820414U CN209820414U CN201920896858.9U CN201920896858U CN209820414U CN 209820414 U CN209820414 U CN 209820414U CN 201920896858 U CN201920896858 U CN 201920896858U CN 209820414 U CN209820414 U CN 209820414U
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Abstract
The utility model relates to a monitoring facilities that is used for tunnel headroom convergence and vault settlement monitoring belongs to tunnel safety monitoring technology category. The device comprises a magnetic base, a multifunctional laser range finder, a reflector plate, a communication optical fiber, a backpack type data acquisition platform and a data information editor; multifunctional laser range finder places on multifunctional laser range finder magnetism base, the mounted position of vault reflector plate and hunch waist reflector plate is confirmed to the multi-functional laser range finder angle of adjustment, the positional information of data information editor record reflector plate and send to knapsack formula data acquisition platform, knapsack formula data acquisition platform receives information back and sends the range finding instruction to multifunctional laser range finder, multifunctional laser range finder measures and the distance and the contained angle of reflector plate and sends and accomplish this monitoring to data acquisition platform. The utility model is simple in operation, equipment cost low, measurement accuracy is high, can carry out the deformation monitoring that tunnel headroom convergence and vault subsided simultaneously.
Description
Technical Field
The utility model relates to a monitoring facilities that is used for tunnel headroom convergence and vault settlement monitoring. Belongs to the technical field of tunnel safety monitoring and the application field of laser technology.
Background
In recent years, national transportation infrastructures are in a rapid construction period and are influenced by geographical environments of China, and a plurality of transportation lines relate to tunnel engineering. The tunnel engineering is a key difficult engineering of the transportation line, and whether the tunnel engineering can smoothly run through the whole transportation line is directly related to whether the whole transportation line can be put into operation. And control measurement (mainly comprising tunnel clearance convergence deformation monitoring and vault settlement deformation monitoring) in the tunnel is an important reference for judging whether tunnel engineering is in a safe construction state, so that how to quickly and efficiently master tunnel deformation becomes important.
At present, the tunnel clearance convergence deformation monitoring and vault settlement deformation monitoring in China mainly adopt a convergence meter and level instrument (total station) monitoring method, a total station automatic monitoring method, a three-dimensional laser scanning method and the like. The traditional monitoring method of the convergence gauge and the leveling instrument (total station) has the advantages of simple operation method, visual reading and the like, and is the most widely applied method at the present stage, but the method can cause heavy work tasks of measuring personnel, and meanwhile, the reading is not influenced by the convergence chord length of the tunnel and the reading is influenced by the work posture and the tension strength, so that the method has the defects of large artificial interference factor and low measurement precision. Compared with the traditional method, the total station automatic monitoring method and the three-dimensional laser scanning method reduce the labor cost to a certain extent, but the method cannot be effectively popularized due to high equipment cost, poor applicability to construction projects and easy generation of accumulated errors of measured data.
Since the first laser in the world emerged in 1960, laser technology has rapidly been used in various fields. The laser ranging technology is one of laser application technologies, has the characteristics of fast ranging, low energy consumption, reliable performance, high measurement precision and the like, and is greatly developed
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a realize tunnel headroom convergence deformation monitoring and vault settlement deformation monitoring's portable equipment simultaneously based on laser rangefinder technique.
A multifunctional monitoring device for tunnel clearance convergence and vault settlement monitoring comprises a multifunctional laser range finder magnetic base fixed on the arch waist of a tunnel, a multifunctional laser range finder (4) for monitoring vault settlement and clearance convergence of the tunnel, a vault reflector (8), a vault reflector (10), a communication optical fiber (5), a backpack type data acquisition platform (6), a data information editor (7) and a rectangular steel plate (9); multifunctional laser range finder (4) are placed on multifunctional laser range finder magnetic base, adjust multifunctional laser range finder (4) angle, confirm the mounted position of vault reflector plate (8) and hunch waist reflector plate (10) respectively, data information editor (7) record vault reflector plate (8) and the positional information of hunch waist reflector plate (10) and send to knapsack formula data acquisition platform (6), knapsack formula data acquisition platform (6) receive information back and send the range finding instruction to multifunctional laser range finder (4), multifunctional laser range finder (4) are measured and are accomplished this monitoring with the distance of vault reflector plate (8) and hunch waist reflector plate (10) and with data information and survey angle contained angle information transmission to knapsack formula data acquisition platform (6). The multifunctional laser range finder (4) and the data information editor (7) are powered by the backpack type data acquisition platform (6), the multifunctional laser range finder (4) is connected with the backpack type data acquisition platform (6) through the communication optical fiber (5), and the data information editor (7) is connected with the backpack type data acquisition platform (6) through the communication optical fiber (5).
The magnetic multifunctional laser range finder base comprises an expansion bolt (1), an L-shaped channel steel fixing support (2) and a self-locking magnetic anchor head (3); wherein the L-shaped channel steel fixing bracket (2) is fixed at the monitoring point position of the waist line of the detection section through the expansion bolt (1), the self-locking magnetic anchor head (3) is installed on the expansion bolt (1), and the multifunctional laser range finder (4) is placed on the L-shaped channel steel fixing bracket (2).
The multifunctional laser range finder (4) is provided with a magnetic base and two laser emitting ports, can simultaneously carry out tunnel clearance convergence and vault settlement deformation monitoring, automatically records monitoring distance data and two laser survey line included angle data, and transmits and stores the data to the backpack type data acquisition platform (6). In addition, the included angle of the two laser generating ports can be automatically adjusted.
The data information editor (7) can realize the input of engineering information and basic data, and transmit and store the engineering information and the basic data to the backpack type data acquisition platform (6) through the communication optical fiber (5).
The backpack type data acquisition platform (6) can realize the automatic storage function of engineering information, basic data, monitoring distance data and laser measuring line included angle data, automatically calculate the current deformation and the accumulated deformation of monitoring points, and realize the automatic alarm function of monitoring data.
Advantageous effects
In view of the problems that the traditional monitoring method is heavy in work task of measuring personnel, small in measurement precision, not capable of reading the converged chord length of the tunnel, influenced by factors such as the working posture and the tensile force strength, and the like, and in view of the problems that a total station automatic monitoring method and a three-dimensional laser scanning method are poor in applicability, measurement data are prone to generating accumulated errors, equipment cost is high and the like. The monitoring equipment is simple to operate, low in equipment cost, free of influence of external environmental factors and human factors, high in measurement precision, and capable of simultaneously monitoring deformation of tunnel clearance convergence and vault settlement.
Drawings
Fig. 1 is a schematic view of the present invention.
Fig. 2 is a partially enlarged view of fig. 1.
The method comprises the following steps of 1-expansion bolt, 2-L-shaped channel steel fixing support, 3-self-locking magnetic anchor head, 4-multifunctional laser range finder, 5-communication optical fiber, 6-backpack data acquisition platform, 7-data information editor, 8-dome reflector, 9-rectangular steel plate and 10-arch waist reflector.
Detailed Description
In order to make the above multifunctional monitoring device for tunnel clearance convergence and vault settlement monitoring more obvious and understandable, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments, but is not limited to the following embodiments. Utilize the utility model discloses carry out the deformation monitoring that headroom convergence and vault subsided, need lay through the monitoring point and go on with two stages of monitoring instrument data acquisition.
As shown in fig. 1 and 2, the utility model comprises 1-expansion bolt, 2- 'L' -shaped channel steel fixed support, 3-self-locking magnetic anchor head, 4-multifunctional laser range finder, 5-communication optical fiber, 6-backpack type data acquisition platform, 7-data information editor, 8-vault reflector, 9-rectangular steel plate, and 10-arch waist reflector.
In the monitoring point laying stage, the specific implementation steps comprise:
step a: and (3) arranging a monitoring section every 20m (required to meet the standard requirement) along the center line of the tunnel longitudinally, and sequentially arranging monitoring points at the waist line position of the monitoring section.
Step b: installing a magnetic base of the multifunctional laser range finder, firstly driving an expansion bolt (1) into the waist line position of a tunnel monitoring section, fixing an L-shaped channel steel fixing support (2), and finally installing a self-locking magnetic anchor head (3) on the expansion bolt (1) to finish the installation work of the magnetic base of the multifunctional laser range finder.
Step c: and (3) placing the multifunctional laser range finder (4) on the L-shaped channel steel fixing support (2) to complete the automatic magnetic connection between the multifunctional laser range finder (4) and the self-locking magnetic anchor head (3).
Step d: installing a reflector plate, turning on a positioning switch of the multifunctional laser range finder (4), and emitting laser beams to position the installation positions of the vault reflector plate (8) and the arch reflector plate (10). According to the positions of the positioning arch crown reflecting sheet (8) and the positioning arch waist reflecting sheet (10), expansion bolts (1) are respectively driven into opposite sides of the arch crown and the arch waist, a rectangular steel plate (9) is fixed, and finally the self-locking magnetic anchor head (3) is installed on the expansion bolts (1) and the adhering installation of the arch crown reflecting sheet (8) and the arch waist reflecting sheet (10) is completed. And after the vault reflector plate (8) and the arch reflector plate (10) are installed, the multifunctional laser range finder (4) is recovered. The dome reflecting sheet (8) and the corset reflecting sheet (10) are mounted in various ways, and this embodiment is only one way.
Step e: and d, according to the sequence from the step a to the step d, sequentially finishing the layout work of all monitoring points of the monitoring profile.
In the monitoring data acquisition stage, the specific implementation steps comprise:
step a: the joints at the two ends of the first communication optical fiber (5) are respectively inserted into the multifunctional laser range finder (4) and the backpack type data acquisition platform (6); and the joints at the two ends of the second communication optical fiber (5) are respectively inserted into the backpack type data acquisition platform (6) and the data information editor (7).
Step b: and opening switches of the backpack type data acquisition platform (6) and the data information editor (7) to complete the power supply of the backpack type data acquisition platform (6) to the multifunctional laser range finder (4) and the data information editor (7).
Step c: engineering information and basic data of the monitoring points are input through a data information editor (7). When the engineering information and the basic data of the first monitoring point are manually input, the engineering information and the basic data of the subsequent monitoring points can be automatically generated, wherein the engineering information and the basic data specifically comprise an engineering name, an engineering place, a construction unit, a supervision unit, a construction unit, a monitoring unit, monitoring personnel, a monitoring project, a monitoring section number and a monitoring date. And engineering information and basic data of each monitoring point can be manually input respectively. After the engineering information and the basic data of the monitoring points are edited, the engineering information and the basic data of the monitoring points can be manually transmitted and stored to the backpack type data acquisition platform (6).
Step d: the backpack type data acquisition platform (6) sends a monitoring instruction to the multifunctional laser range finder (4) after receiving the information, completes the deformation monitoring initial data acquisition work of clearance convergence and vault settlement, and stores the monitoring data in the data acquisition platform (6) through the communication optical fiber (5).
Step e: and moving the multifunctional laser range finder (4) to the next monitoring point to complete the initial data acquisition work of the next monitoring point until the initial data acquisition work of all the monitoring points is completed.
Step f: and (3) starting clearance convergence and vault settlement monitoring data acquisition the next day, repeating the steps a to e to complete data acquisition work of all monitoring points, and completing current deformation and accumulated deformation of each monitoring point by the data acquisition platform (6) according to the measurement data of each monitoring point, thereby realizing automatic processing and early warning functions of the monitoring data. It can be seen from the above example and fig. 1 that the monitoring device is simple in operation, low in cost, free from the influence of external environmental factors and human factors, high in measurement accuracy, and capable of simultaneously performing tunnel clearance convergence and vault settlement deformation monitoring.
Claims (5)
1. A monitoring device for tunnel clearance convergence and vault settlement monitoring comprises a multifunctional laser range finder magnetic base fixed on the arch waist of a tunnel, a multifunctional laser range finder (4), a communication optical fiber (5), a backpack type data acquisition platform (6), a data information editor (7), a vault reflector (8), a rectangular steel plate (9) and a vault reflector (10), wherein the multifunctional laser range finder (4) and the data information editor (7) are powered by the backpack type data acquisition platform (6), the multifunctional laser range finder (4) is connected with the backpack type data acquisition platform (6) by the communication optical fiber (5), the data information editor (7) is connected with the backpack type data acquisition platform (6) by the communication optical fiber (5), and the multifunctional laser range finder (4) is characterized by being provided with a magnetic base and two laser emission ports, the tunnel clearance convergence and vault settlement deformation monitoring can be carried out simultaneously, monitoring distance data and included angle data of two laser measuring lines are automatically recorded and stored to a backpack type data acquisition platform (6), a multifunctional laser range finder (4) is placed on a magnetic base of the multifunctional laser range finder, and the installation positions of a vault reflector (8) and a vault reflector (10) are respectively determined by adjusting the angle of the multifunctional laser range finder (4); the data information editor (7) records the position information of the vault reflector plate (8) and the arch reflector plate (10) and sends the position information to the backpack type data acquisition platform (6), the backpack type data acquisition platform (6) sends a distance measurement instruction to the multifunctional laser distance meter (4) after receiving the information, and the multifunctional laser distance meter (4) measures the distance between the vault reflector plate (8) and the arch reflector plate (10) and sends the data information and the angle measurement included angle information to the backpack type data acquisition platform (6) to complete the monitoring.
2. The monitoring device for tunnel clearance convergence and vault settlement monitoring of claim 1, wherein the magnetic multifunctional laser range finder base comprises an expansion bolt (1), an L-shaped channel steel fixing bracket (2) and a self-locking magnetic anchor head (3); wherein the L-shaped channel steel fixing bracket (2) is fixed at the monitoring point position of the waist line of the detection section through the expansion bolt (1), the self-locking magnetic anchor head (3) is installed on the expansion bolt (1), and the multifunctional laser range finder (4) is placed on the L-shaped channel steel fixing bracket (2).
3. A monitoring device for tunnel clearance convergence and vault settlement monitoring according to claim 1, characterized in that the angle between the two laser generating ports of said multifunctional laser range finder (4) is automatically adjustable.
4. The monitoring device for tunnel clearance convergence and vault crown settlement monitoring as claimed in claim 1, wherein the data information editor (7) is used for inputting engineering information and basic data, and transmitting and storing the engineering information and the basic data to the backpack type data acquisition platform (6) through the communication optical fiber (5).
5. The monitoring device for tunnel clearance convergence and vault settlement monitoring as claimed in claim 1, wherein the backpack type data acquisition platform (6) is used for automatic storage of engineering information, basic data, monitoring distance data and laser line-measuring included angle data, automatic calculation of current deformation and accumulated deformation of monitoring points, and automatic processing and early warning functions of monitoring data.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920896858.9U CN209820414U (en) | 2019-06-14 | 2019-06-14 | Monitoring equipment for tunnel clearance convergence and vault settlement monitoring |
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| CN201920896858.9U CN209820414U (en) | 2019-06-14 | 2019-06-14 | Monitoring equipment for tunnel clearance convergence and vault settlement monitoring |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111473734A (en) * | 2020-04-29 | 2020-07-31 | 同济大学 | System and method for monitoring stability of clamped rock in small-clear-distance tunnel |
| CN111964590A (en) * | 2020-08-24 | 2020-11-20 | 湖南致力工程科技有限公司 | Method for installing laser scanner in tunnel automatic monitoring and early warning process |
| CN112595286A (en) * | 2020-11-17 | 2021-04-02 | 贵州大学 | Device and method for monitoring vault settlement and tunnel convergence of tunnel in real time |
| CN113465527A (en) * | 2021-07-28 | 2021-10-01 | 招商局重庆交通科研设计院有限公司 | Tunnel surrounding rock stability monitoring device and method |
| CN113739752A (en) * | 2021-08-12 | 2021-12-03 | 北京大成国测科技有限公司 | Tunnel clearance convergence automatic monitoring method and device and electronic equipment |
| CN116379954A (en) * | 2023-06-05 | 2023-07-04 | 西昌学院 | Deformation condition monitoring device and tunnel main body monitoring system |
| CN117232422A (en) * | 2023-11-15 | 2023-12-15 | 中铁八局集团第二工程有限公司 | Tunnel deformation real-time detection device considering random excitation effect of vehicle |
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2019
- 2019-06-14 CN CN201920896858.9U patent/CN209820414U/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111473734A (en) * | 2020-04-29 | 2020-07-31 | 同济大学 | System and method for monitoring stability of clamped rock in small-clear-distance tunnel |
| CN111473734B (en) * | 2020-04-29 | 2021-12-07 | 同济大学 | System and method for monitoring stability of clamped rock in small-clear-distance tunnel |
| CN111964590A (en) * | 2020-08-24 | 2020-11-20 | 湖南致力工程科技有限公司 | Method for installing laser scanner in tunnel automatic monitoring and early warning process |
| CN112595286A (en) * | 2020-11-17 | 2021-04-02 | 贵州大学 | Device and method for monitoring vault settlement and tunnel convergence of tunnel in real time |
| CN113465527A (en) * | 2021-07-28 | 2021-10-01 | 招商局重庆交通科研设计院有限公司 | Tunnel surrounding rock stability monitoring device and method |
| CN113739752A (en) * | 2021-08-12 | 2021-12-03 | 北京大成国测科技有限公司 | Tunnel clearance convergence automatic monitoring method and device and electronic equipment |
| CN116379954A (en) * | 2023-06-05 | 2023-07-04 | 西昌学院 | Deformation condition monitoring device and tunnel main body monitoring system |
| CN116379954B (en) * | 2023-06-05 | 2023-08-01 | 西昌学院 | Deformation condition monitoring device and tunnel main body monitoring system |
| CN117232422A (en) * | 2023-11-15 | 2023-12-15 | 中铁八局集团第二工程有限公司 | Tunnel deformation real-time detection device considering random excitation effect of vehicle |
| CN117232422B (en) * | 2023-11-15 | 2024-01-23 | 中铁八局集团第二工程有限公司 | Tunnel deformation real-time detection device considering random excitation effect of vehicle |
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