CN116659445A - Device for continuously monitoring deformation of floor heave of roadway in real time - Google Patents

Device for continuously monitoring deformation of floor heave of roadway in real time Download PDF

Info

Publication number
CN116659445A
CN116659445A CN202310480766.3A CN202310480766A CN116659445A CN 116659445 A CN116659445 A CN 116659445A CN 202310480766 A CN202310480766 A CN 202310480766A CN 116659445 A CN116659445 A CN 116659445A
Authority
CN
China
Prior art keywords
roadway
controller
deformation
floor heave
rod
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202310480766.3A
Other languages
Chinese (zh)
Inventor
梁振敏
李怀宾
向阳
刘纪良
叶茂林
陈诚
谢益盛
杨洋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huaibei Mining Co Ltd
Original Assignee
Huaibei Mining Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huaibei Mining Co Ltd filed Critical Huaibei Mining Co Ltd
Priority to CN202310480766.3A priority Critical patent/CN116659445A/en
Publication of CN116659445A publication Critical patent/CN116659445A/en
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B21/00Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
    • G01B21/32Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring the deformation in a solid

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)

Abstract

The invention provides a device for continuously monitoring roadway floor heave deformation in real time, which comprises a measuring box, wherein a controller is arranged in the measuring box, and two displacement measuring mechanisms are electrically connected to the controller; the displacement measuring mechanism comprises a stay-supported displacement sensor, one side of the stay-supported displacement sensor is connected with an outer rod, the other end of the outer rod is internally connected with an inner rod, one end of the stay-supported displacement sensor is connected with a steel wire, the steel wire penetrates through the outer rod and the inner rod respectively, and an angle sensor is arranged on one end, close to the stay-supported displacement sensor, of the outer rod. The invention realizes real-time continuous and automatic measurement of the deformation of the floor heave of the roadway, has high precision, the stay wire type displacement sensor transmits the detected displacement change signal and the angle sensor transmits the angle change data of the outer rod and the inner rod to the controller, the controller brings related measurement data into the controller, the deformation data of the floor heave of the roadway is calculated, and the calculation data is uploaded periodically.

Description

Device for continuously monitoring deformation of floor heave of roadway in real time
Technical Field
The invention relates to the field of coal mine roadways, in particular to a device for continuously monitoring roadway floor heave deformation in real time.
Background
Along with the increase of the coal mining depth, partial mine roadways show remarkable plastic deformation damage characteristics of large deformation, large ground pressure and difficult support, and many roadway roof and floor strata show soft rock characteristics, so that serious floor heave of the roadways is often caused, and the convergence rate of the roadways is increased. In the deep roadway with the bottom plate not supported, the field investigation shows that 2/3-3/4 of the approaching amount of the top plate and the bottom plate is caused by floor heave, and the roadway maintenance amount caused by the floor heave accounts for about 50% of the total maintenance amount. Therefore, the effective control of deep coal roadway floor heave becomes one of the difficulties in the deep well surrounding rock stability research. At present, monitoring of floor heave is generally carried out by manual measurement and recording, and measurement and recording are carried out by specific workers at intervals by using a measuring device, so that a large amount of manpower and material resources are wasted, and the measurement result is inaccurate.
At present, the monitoring of the floor heave of the roadway is mainly mechanical scale measurement, a great deal of manual labor is needed, the manual measurement error is large, the real-time monitoring is difficult to realize, and the whole deformation and damage process of the floor heave of the roadway cannot be effectively obtained. Therefore, the study on the process and the formation mechanism of the floor heave of the roadway is not carried out, and an effective real-time continuous monitoring device for the deformation of the floor heave of the roadway is not available.
Disclosure of Invention
In order to make up for the defects, the invention provides a device for continuously monitoring the deformation of the floor heave of a roadway in real time, which aims to solve the problems that the monitoring of the floor heave of the roadway is mostly mechanical scale measurement, a large amount of manual labor is needed, the manual measurement error is large, the real-time monitoring is difficult to realize, the whole process of deformation and damage of the floor heave of the roadway cannot be effectively obtained, and the like.
The embodiment of the invention provides a device for continuously monitoring roadway floor heave deformation in real time, which comprises a measuring box, wherein a controller is fixedly arranged in the measuring box, two displacement measuring mechanisms are electrically connected to the controller, the two displacement measuring mechanisms are respectively and fixedly arranged at two sides of the bottom of the measuring box, and stay wire holes are formed in two sides of the measuring box;
the displacement measuring mechanism comprises a stay wire type displacement sensor, one side of the stay wire type displacement sensor is fixedly connected with an outer rod, the other end of the outer rod is movably connected with an inner rod, one end of the stay wire type displacement sensor is connected with a steel wire, the steel wire penetrates through the outer rod and the inner rod respectively, the other end of the steel wire is connected with one end of the inner rod, and an angle sensor is installed on one end of the outer rod, which is close to the stay wire type displacement sensor.
In the implementation process, the invention can realize real-time continuous and automatic measurement of the floor heave deformation of the roadway, the accuracy is high, a plurality of sections are arranged in the underground roadway and are monitoring surfaces, each monitoring surface bottom plate is provided with a floor heave deformation monitoring device, the floor heave deformation monitoring devices regularly transmit signals to a data memory of a controller through data lines, the controller regularly uploads data to a ground database through an underground server, a measuring component in the real-time continuous monitoring device of the floor heave deformation of the roadway is composed of a stay wire type displacement sensor and an angle sensor, the stay wire type displacement sensor transmits detected displacement change signals to the controller, the angle sensor transmits angle change data of an outer rod and an inner rod to the controller, the controller carries related measurement data through programming codes, calculates the floor heave deformation data of the roadway, and the floor heave continuous deformation process can be obtained by regularly uploading calculation data.
In a specific embodiment, two measuring boxes are arranged in the roadway, five fixing points are arranged in the roadway, the five fixing points are A, B, C, D and E respectively, and the measuring boxes are fixedly arranged on the point B and the point D.
In the implementation process, the measurement box is convenient to install through setting of five fixed points, and continuous deformation of floor heave of the roadway bottom plate is convenient to monitor.
In a specific embodiment, connecting rods are fixedly installed on other fixed points outside the fixed points of the two measuring box positions respectively, pull ropes are fixedly connected to the connecting rods respectively, a fixing seat is fixedly installed on the outer side of one end of the inner rod, and the pull ropes penetrate through the pull rope holes and are connected to the fixing seat.
In the implementation process, the connecting rod is arranged on the fixed point, so that when the floor heave of the roadway of the fixed point is continuously deformed, the stay wire type displacement sensor can be driven to move through the stay wire, and deformation data are obtained.
In a specific embodiment, the outer rod and the inner rod are hollow tubes, the outer diameter of the inner rod is smaller than the inner diameter of the outer rod, and one end of the inner rod is movably connected inside the outer rod.
In the implementation process, the diameters of the inner rod and the outer rod are set, so that the inner rod can be movably connected in the outer rod.
In a specific embodiment, the controller comprises a single chip microcomputer, the single chip microcomputer is used for receiving the data information of the displacement measuring mechanism, and the controller further comprises a communication module, and the communication module is in communication connection with a data transmitter fixed on the roadway side.
In the implementation process, the singlechip is used for realizing the calculation processing of the acquired data information, and transmitting the data information through the communication module, so that the data information is conveniently arranged, and the floor heave continuous deformation process is obtained.
In a specific implementation mode, the controller further comprises a power supply module, the power supply module is electrically connected with the roadway floor buried line, the power supply module comprises a voltage reduction circuit, a rectifying circuit, a voltage stabilizing circuit and a filtering circuit, and the controller further comprises a memory, and the memory comprises a ROM memory and a RAM memory.
In the implementation process, the power supply module is connected with the roadway bottom plate buried line, so that the system is effectively powered and operated, the stability of voltage is maintained, the operation safety of the system is realized, and the memory is used for storing data information.
The application method of the device for continuously monitoring the deformation of the floor heave of the roadway in real time comprises the following steps:
s1, arranging a plurality of sections serving as monitoring surfaces in an underground roadway, symmetrically arranging five fixed points on the detection surface of a roadway bottom plate, and arranging two measurement boxes on one monitoring surface;
s2, a displacement measuring mechanism is arranged in the measuring box and consists of a stay wire type displacement sensor and an angle sensor, the fixed point is connected with the measuring box through a connecting rod and a stay rope, and the connecting rod comprises a steel wire, an outer rod and an inner rod;
s3, in the measuring box, a displacement measuring mechanism and a controller are arranged, a steel wire of the stay wire type displacement sensor penetrates through the outer rod and the inner rod and is connected with one end of the inner rod, a fixed point is fixed through a connecting rod, the connecting rod penetrates through a stay wire hole through a stay wire and is connected with one end of the inner rod, and then measurement data of the displacement measuring mechanism are stored in the controller;
s4, when the floor heave deformation is destroyed to a certain condition, different displacement changes and angle changes are generated among all fixed points, and the displacement changes and angle changes among the five fixed points at the moment are obtained through real-time monitoring of the measuring box, and the following is a calculation process,
in the formula, t is E (0, i), two end points are positioned at the low angle of the roadway, and the deformation of the low angle of the roadway is smaller, so the roadway is assumed to be a stationary point, wherein (A) xt ,A yt )=(P,0);(E xt ,E yt )=(5P,0)。
In a specific embodiment, the setting of five of said fixed points is as follows:
the positions of the five fixing points are respectively marked as A, B, C, D and E points, A and E are arranged at the roadway low corner, a fixing point C is arranged at the roadway central line, a fixing point B is arranged between A and C, a fixing point D is arranged between C and E, and the measuring box is arranged at the fixing points B and D.
In the implementation process, in order to effectively monitor the floor heave continuous deformation of the roadway section, five fixed points are set for determination, so that real-time monitoring is facilitated.
In a specific embodiment, the measuring box and the five fixing points are fixed at the set monitoring position through the positioning seat, and the five fixing points are equidistant from each other and have a distance P.
In the implementation process, the distances among the five fixed points are the same, so that errors are reduced, and the continuous deformation process of the floor heave can be effectively obtained.
In a specific embodiment, the angle sensor is embedded on the outer rod, the angle sensor is connected with the controller in the measuring box through a data wire, and the controller utilizes a data wire and a power supply wire to carry out power supply and communication transmission with a data transmitter of a roadway side part through a roadway bottom plate buried wire;
the stay wire type displacement sensor transmits the detected displacement change signal to the controller, the angle sensor transmits the angle change data of the outer rod and the inner rod to the controller, and the controller carries relevant measurement data into the controller through programming codes to calculate roadway floor heave deformation data, and the floor heave continuous deformation process can be obtained by periodically uploading the calculation data.
In the implementation process, the measuring box transmits the monitored data information through the data transmitter, so that the continuous deformation process of the obtained floor heave is convenient to realize.
Compared with the prior art, the invention has the beneficial effects that:
the invention can realize real-time continuous and automatic measurement of the floor heave deformation of the roadway, the accuracy is high, a plurality of sections are arranged in the underground roadway and are monitoring surfaces, each monitoring surface bottom plate is provided with a floor heave deformation monitoring device, the floor heave deformation monitoring devices regularly transmit signals to a data memory of a controller through data wires, the controller regularly uploads the data to a ground database through an underground server, a measuring part in the real-time continuous monitoring device of the floor heave deformation of the roadway is composed of a stay wire type displacement sensor and an angle sensor, the stay wire type displacement sensor transmits detected displacement change signals to the controller, the angle sensor transmits angle change data of an outer rod and an inner rod to the controller, and the controller carries related measurement data through programming codes to calculate the floor heave deformation data of the roadway, and the continuous deformation process of the floor heave can be obtained by regularly uploading calculation data.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a structure provided by an embodiment of the present invention;
fig. 2 is a schematic diagram of a displacement measuring mechanism according to an embodiment of the present invention.
In the figure: 1-a measurement box; 2-a controller; 3-a displacement measuring mechanism; 301-a pull-wire displacement sensor; 302-an angle sensor; 303-an outer rod; 304-an inner rod; 305-a steel wire; 306-a fixing seat.
Detailed Description
The technical solutions in the embodiments of the present invention will be described below with reference to the accompanying drawings in the embodiments of the present invention.
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, based on the embodiments of the invention, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the invention.
The invention can realize real-time continuous and automatic measurement of the floor heave deformation of the roadway, the accuracy is high, a plurality of sections are arranged in the underground roadway and are monitoring surfaces, each monitoring surface bottom plate is provided with a floor heave deformation monitoring device, the floor heave deformation monitoring devices regularly transmit signals to a data memory of the controller 2 through data wires, the controller 2 regularly uploads the data to a ground database through an underground server, a measuring component in the real-time continuous monitoring device of the floor heave deformation of the roadway consists of a stay wire type displacement sensor 301 and an angle sensor 302, the stay wire type displacement sensor 301 transmits detected displacement change signals to the controller 2, the angle sensor 302 transmits angle change data of an outer rod 303 and an inner rod 304 to the controller 2, the controller 2 carries related measurement data through programming codes, calculates the floor heave deformation data of the roadway, and the floor heave continuous deformation process can be obtained by regularly uploading calculation data; the method aims at improving the problems that the monitoring of the floor heave of the roadway is mainly mechanical scale measurement, a large amount of manual labor is needed, the manual measurement error is large, the real-time monitoring is difficult to realize, the whole process of deformation and damage of the floor heave of the roadway cannot be effectively obtained, and the like.
Referring to fig. 1-2, the invention provides a device for continuously monitoring roadway floor heave deformation in real time, which comprises a measuring box 1, wherein a controller 2 is fixedly arranged in the measuring box 1, two displacement measuring mechanisms 3 are electrically connected to the controller 2, the two displacement measuring mechanisms 3 are respectively and fixedly arranged at two sides of the bottom of the measuring box 1, and stay wire holes are formed at two sides of the measuring box 1;
the displacement measuring mechanism 3 comprises a pull-wire type displacement sensor 301, one side of the pull-wire type displacement sensor 301 is fixedly connected with an outer rod 303, the other end of the outer rod 303 is internally and movably connected with an inner rod 304, one end of the pull-wire type displacement sensor 301 is connected with a steel wire 305, the steel wire 305 penetrates through the outer rod 303 and the inner rod 304 respectively, the other end of the steel wire 305 is connected with one end of the inner rod 304, and the outer rod 303 is provided with an angle sensor 302 at one end close to the pull-wire type displacement sensor 301.
In other embodiments, two measuring boxes 1 are arranged in the roadway, five fixing points are arranged in the roadway, the five fixing points are A, B, C, D and E respectively, the measuring boxes 1 are fixedly arranged on the point B and the point D, the measuring boxes 1 are conveniently arranged through setting of the five fixing points, and monitoring of continuous deformation of floor heave of the roadway bottom plate is conveniently realized.
In the invention, connecting rods are fixedly arranged on other fixed points outside the fixed points of the two measuring boxes 1, pull ropes are fixedly connected to the connecting rods, a fixed seat 306 is fixedly arranged outside one end of an inner rod 304, the pull ropes penetrate through the pull rope holes and are connected to the fixed seat 306, and the connecting rods are arranged on the fixed points, so that when the roadway of the fixed points is continuously deformed, the pull rope type displacement sensor 301 can be driven to move through the pull ropes, and deformation data can be obtained.
It will be appreciated that in other embodiments, the outer rod 303 and the inner rod 304 are hollow tubes, the outer diameter of the inner rod 304 is smaller than the inner diameter of the outer rod 303, one end of the inner rod 304 is movably connected to the inside of the outer rod 303, and the diameters of the inner rod 304 and the outer rod 303 are set so that the inner rod 304 can be movably connected to the outer rod 303.
In this embodiment, the controller 2 includes a single-chip microcomputer, the single-chip microcomputer is configured to receive data information of the displacement measurement mechanism 3, the controller 2 further includes a communication module, the communication module is connected with a data transmitter fixed to a roadway side, the single-chip microcomputer is configured to implement calculation processing on collected data information, and implement transmission on the data information through the communication module, so that the data information is conveniently sorted, and a floor heave continuous deformation process is obtained.
Optionally, the controller 2 further includes a power supply module, the power supply module is electrically connected with the buried line of the roadway floor, the power supply module includes a voltage reduction circuit, a rectifying circuit, a voltage stabilizing circuit and a filtering circuit, the controller 2 further includes a memory, the memory includes a ROM memory and a RAM memory, the power supply module is connected with the buried line of the roadway floor, so that the system is effectively powered and operated, the stability of voltage is maintained, the operation safety of the system is realized, and the memory is used for storing data information.
The working principle of the device for continuously monitoring the deformation of the floor heave of the roadway in real time is as follows:
the method comprises the steps that a plurality of sections are arranged in an underground roadway to be monitoring surfaces, five fixed points are symmetrically arranged on a detection surface of a roadway bottom plate, two measurement boxes 1 are arranged on one monitoring surface, the positions of the five fixed points are respectively marked as A, B, C, D points and E points, A and E are arranged at the low angle of the roadway, a fixed point C is arranged at the central line of the roadway, a fixed point B is arranged between A and C, a fixed point D is arranged between C and E, and the measurement boxes 1 are arranged at the fixed points B and D.
Secondly, a displacement measuring mechanism 3 is arranged in the measuring box 1, the displacement measuring mechanism 3 consists of a stay wire type displacement sensor 301 and an angle sensor 302, a fixed point is connected with the measuring box 1 through a connecting rod and a stay rope, and the connecting rod comprises a steel wire 305, an outer rod 303 and an inner rod 304;
thirdly, in the measuring box 1, a displacement measuring mechanism 3 and a controller 2 are arranged, a steel wire 305 of a stay wire type displacement sensor 301 penetrates through an outer rod 303 and an inner rod 304 and is connected with one end of the inner rod 304, a fixed point is fixed through a connecting rod, the connecting rod penetrates through a stay wire hole through a stay wire to be connected with one end of the inner rod 304, and then measurement data of the displacement measuring mechanism 3 are stored in the controller 2;
fourth, the angle sensor 302 is embedded on the outer rod 303, the angle sensor 302 is connected with the controller 2 in the measuring box 1 by a data line, the stay-supported displacement sensor 301 transmits the detected displacement change signal to the controller 2, and the angle sensor 302 transmits the angle change data of the outer rod 303 and the inner rod 304 to the controller 2;
fifthly, when the floor heave deformation is destroyed to a certain condition, different displacement changes and angle changes are generated among all fixed points, and the displacement changes and the angle changes among the five fixed points at the moment are obtained through real-time monitoring of the measuring box 1, and the following is a calculation process,
in the formula, t is 0, i, two end points are positioned at the low angle of the roadway, and the deformation of the low angle of the roadway is smaller, so the low angle of the roadway is assumed to be a stationary point, wherein A is xt ,A yt =(P,0);E xt ,E yt =(5P,0)。
And step six, the controller 2 utilizes a data line and a power supply line to carry out power supply and communication transmission through a data transmitter of the roadway bottom plate buried line and the roadway side part, the controller 2 carries related measurement data into the data through a programming code, calculates roadway floor heave deformation data, and periodically uploads the calculation data to obtain a floor heave continuous deformation process, and the measuring box 1 transmits monitored data information through the data transmitter so as to be convenient for realizing the process of obtaining the floor heave continuous deformation.
The above description is only an example of the present invention and is not intended to limit the scope of the present invention, and various modifications and variations will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. The device for continuously monitoring roadway floor heave deformation in real time is characterized by comprising a measuring box (1), wherein a controller (2) is fixedly arranged in the measuring box (1), two displacement measuring mechanisms (3) are electrically connected to the controller (2), the two displacement measuring mechanisms (3) are respectively and fixedly arranged at two sides of the bottom of the measuring box (1), and stay wire holes are formed in two sides of the measuring box (1);
the displacement measuring mechanism (3) comprises a stay wire type displacement sensor (301), one side of the stay wire type displacement sensor (301) is fixedly connected with an outer rod (303), the other end of the outer rod (303) is movably connected with an inner rod (304), one end of the stay wire type displacement sensor (301) is connected with a steel wire (305), the steel wire (305) penetrates through the outer rod (303) and the inner rod (304) respectively, the other end of the steel wire (305) is connected with one end of the inner rod (304), and the outer rod (303) is close to one end of the stay wire type displacement sensor (301) and is provided with an angle sensor (302).
2. Device for the continuous monitoring of the deformation of floor heave in real time according to claim 1, characterized in that the measuring box (1) is provided with two inside the tunnel, the inside of the tunnel is provided with five fixing points, which are A, B, C, D and E respectively, and the measuring box (1) is fixedly mounted on points B and D.
3. The device for continuously monitoring roadway floor heave deformation in real time according to claim 2, wherein connecting rods are fixedly arranged on other fixed points outside the fixed points of the two measuring boxes (1), pull ropes are fixedly connected to the connecting rods respectively, a fixing seat (306) is fixedly arranged on the outer side of one end of each inner rod (304), and the pull ropes penetrate through the pull rope holes and are connected to the fixing seat (306).
4. The device for continuously monitoring roadway floor heave deformation in real time according to claim 1, wherein the outer rod (303) and the inner rod (304) are hollow pipes, the outer diameter of the inner rod (304) is smaller than the inner diameter of the outer rod (303), and one end of the inner rod (304) is movably connected inside the outer rod (303).
5. The device for continuously monitoring roadway floor heave deformation in real time according to claim 1, wherein the controller (2) comprises a single chip microcomputer, the single chip microcomputer is used for receiving data information of the displacement measuring mechanism (3), and the controller (2) further comprises a communication module which is in communication connection with a data transmitter fixed on the roadway side.
6. The device for continuously monitoring roadway floor heave deformation in real time according to claim 5, wherein the controller (2) further comprises a power supply module, the power supply module is electrically connected with a roadway floor burying wire, the power supply module comprises a voltage reducing circuit, a rectifying circuit, a voltage stabilizing circuit and a filtering circuit, and the controller (2) further comprises a memory, and the memory comprises a ROM memory and a RAM memory.
7. The application method of the device for continuously monitoring the deformation of the floor heave of the roadway in real time is characterized by comprising the following steps of:
s1, arranging a plurality of sections serving as monitoring surfaces in an underground roadway, symmetrically arranging five fixed points on the detection surface of a roadway bottom plate, and arranging two measurement boxes (1) in total on one monitoring surface;
s2, a displacement measuring mechanism (3) is arranged in the measuring box (1), the displacement measuring mechanism (3) consists of a stay wire type displacement sensor (301) and an angle sensor (302), a fixed point is connected with the measuring box (1) through a connecting rod and a pull rope, and the connecting rod comprises a steel wire (305), an outer rod (303) and an inner rod (304);
s3, in the measuring box (1), a displacement measuring mechanism (3) and a controller (2) are arranged, a steel wire (305) of a stay wire type displacement sensor (301) penetrates through an outer rod (303) and an inner rod (304) and is connected with one end of the inner rod (304), a fixed point is fixed through a connecting rod, the connecting rod penetrates through a stay wire hole through a stay wire and is connected with one end of the inner rod (304), and then measurement data of the displacement measuring mechanism (3) are stored in the controller (2);
s4, when the floor heave deformation is destroyed to a certain condition, different displacement changes and angle changes are generated among all fixed points, and the displacement changes and angle changes among the five fixed points at the moment are obtained through real-time monitoring of the measuring box, and the following is a calculation process,
in the formula, t is E (0, i), two end points are positioned at the low angle of the roadway, and the deformation of the low angle of the roadway is smaller, so the roadway is assumed to be a stationary point, wherein (A) xt ,A yt )=(P,0);(E xt ,E yt )=(5P,0)。
8. The method for using the device for continuously monitoring the deformation of the floor heave of the roadway in real time according to claim 7, wherein the five fixed points are set as follows:
the positions of the five fixing points are respectively marked as A, B, C, D and E points, A and E are arranged at the roadway low corner, a fixing point C is arranged at the roadway central line, a fixing point B is arranged between A and C, a fixing point D is arranged between C and E, and the measuring box (1) is arranged at the fixing points B and D.
9. The method for using the device for continuously monitoring roadway floor heave deformation in real time according to claim 7, wherein the measuring box (1) and the five fixed points are fixed at the set monitoring position through the positioning seat, and the five fixed points are equidistant from each other and have a distance P.
10. The method for using the device for continuously monitoring the deformation of the floor heave of the roadway in real time according to claim 7, wherein the angle sensor (302) is embedded on the outer rod (303), the angle sensor (302) is connected with the controller (2) in the measuring box (1) through a data line, and the controller (2) is in power supply and communication transmission with a data transmitter of the roadway side part through a roadway bottom plate buried line by utilizing a data line and a power supply line;
the stay-supported displacement sensor (301) transmits detected displacement change signals to the controller (2), the angle sensor (302) transmits angle change data of the outer rod (303) and the inner rod (304) to the controller (2), and the controller (2) brings relevant measurement data into the controller through programming codes to calculate roadway floor heave deformation data, and the floor heave continuous deformation process can be obtained by periodically uploading the calculation data.
CN202310480766.3A 2023-04-28 2023-04-28 Device for continuously monitoring deformation of floor heave of roadway in real time Pending CN116659445A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310480766.3A CN116659445A (en) 2023-04-28 2023-04-28 Device for continuously monitoring deformation of floor heave of roadway in real time

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310480766.3A CN116659445A (en) 2023-04-28 2023-04-28 Device for continuously monitoring deformation of floor heave of roadway in real time

Publications (1)

Publication Number Publication Date
CN116659445A true CN116659445A (en) 2023-08-29

Family

ID=87718037

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310480766.3A Pending CN116659445A (en) 2023-04-28 2023-04-28 Device for continuously monitoring deformation of floor heave of roadway in real time

Country Status (1)

Country Link
CN (1) CN116659445A (en)

Similar Documents

Publication Publication Date Title
CN111577392B (en) Multi-parameter comprehensive intelligent monitoring method for stoping roadway
CN104833328B (en) Flexible intelligent inclination measuring rope
CN103791805A (en) Landslide deep position displacement monitoring system
CN103727911B (en) Assembly type deep soils equipment and system based on MEMS array
CN112253083B (en) Automatic positioning device and method for drilling
CN106323223B (en) Highway cutting slope deformation monitoring and early warning system
CN109268072B (en) Big data cloud platform for intelligent and real-time prediction and early warning of water inrush disaster of coal mine floor
CN102691520A (en) Monitoring system for heading face
CN111691921A (en) Rock burst online monitoring system and method based on support resistance monitoring
CN106194262A (en) Mine floor Austria limestone gushing water on-line monitoring intelligent early-warning system
CN100494636C (en) Remote monitoring predicting method of empty zone hard top plate
CN110648504B (en) Landslide disaster monitoring device and method
CN110985125A (en) Deep well soft coal rock burst disaster monitoring and early warning system and early warning method thereof
CN106482707A (en) Self-propelled tracking inclination measurement device and method
CN102691521A (en) Installation method for driving working face monitoring system
CN116659445A (en) Device for continuously monitoring deformation of floor heave of roadway in real time
CN206529812U (en) A kind of direct burial test system
CN203672311U (en) Landslide deep displacement monitoring system
CN105735972A (en) System for measuring, recording and processing depth of downhole tool for resource exploration and development
CN205977278U (en) Judge device of tunnel stability
CN214787474U (en) Four-base-point surrounding rock moving sensor
CN112302634B (en) Method for judging and identifying positions and accumulation degree of rock debris bed
CN111486781A (en) GNSS technology-based deep layer displacement monitoring device and method
CN111006742B (en) Underground mine main draw shaft material level real-time monitoring system and method
CN211855198U (en) Deep layer displacement monitoring device based on GNSS technique

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication