CN113819883B

CN113819883B - Automatic monitoring device for land settlement

Info

Publication number: CN113819883B
Application number: CN202111114012.3A
Authority: CN
Inventors: 张雪松; 任威; 罗懿珊
Original assignee: Central China Normal University
Current assignee: Central China Normal University
Priority date: 2021-09-23
Filing date: 2021-09-23
Publication date: 2023-08-01
Anticipated expiration: 2041-09-23
Also published as: CN113819883A

Abstract

The invention discloses an automatic land subsidence monitoring device which comprises a vertical pipe, wherein the bottom of the vertical pipe is fixedly connected with a shell, two sides of the shell are fixedly connected with guide plates, the top of the surface of the vertical pipe is sleeved with a fixed plate, the surface of the vertical pipe is movably sleeved with a movable plate, the right side of the bottom of the fixed plate is fixedly connected with an infrared emitter, the right side of the top of the movable plate is fixedly connected with an infrared receiver, the left side of the top of the movable plate is fixedly connected with a graduated scale, and the top of the graduated scale penetrates through the top of the fixed plate. The invention has the advantages of high measurement precision, full coverage, automatic and intelligent settlement monitoring, and solves the problems that the existing land settlement monitoring device usually adopts an inverted T-shaped settlement plate to observe the settlement height by visual observation, has a certain influence on the measurement precision, can not realize full coverage, automatic and intelligent settlement monitoring and can not meet the land settlement monitoring requirement.

Description

Automatic monitoring device for land settlement

Technical Field

The invention relates to the technical field of land settlement monitoring, in particular to an automatic land settlement monitoring device.

Background

The soft soil foundation has high compressibility, low permeability and long consolidation deformation duration, the foundation bears larger and larger pressure due to the load generated by continuously filling soil, so that the settlement change of the foundation is necessarily caused, if the loading process cannot be effectively controlled, the settlement amount and the settlement rate cannot be effectively controlled, when the settlement rate reaches or exceeds a certain limit, the foundation is possibly instable, destructive change is caused, the damage of the foundation causes the change of the internal force state of an overlying soil body, the soil body generates larger lateral displacement and landslide and collapse of the soil body, the settlement amount and the speed of the soft soil foundation are estimated as a main problem in engineering design, but the existing soil settlement monitoring device usually adopts an inverted T-shaped settlement plate for visual observation to observe the settlement height, the measurement precision cannot be effectively controlled, and meanwhile, the whole-coverage, automatic and intelligent settlement monitoring cannot be realized, and the requirement of soil settlement monitoring cannot be met.

Disclosure of Invention

The invention aims to provide an automatic land settlement monitoring device which has the advantages of high measurement precision, full coverage and automatic and intelligent settlement monitoring, and solves the problems that the existing land settlement monitoring device usually adopts an inverted T-shaped settlement plate to observe the settlement height by visual observation, has a certain influence on the measurement precision, and can not realize full coverage, automatic and intelligent settlement monitoring and can not meet the land settlement monitoring requirement.

In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides an automatic monitoring device falls on soil, includes the standpipe, the bottom fixedly connected with casing of standpipe, the equal fixedly connected with deflector in both sides of casing, the fixed plate is established to the top cover on standpipe surface, the surface active cover of standpipe is equipped with the fly leaf, the right side fixedly connected with infrared emitter of fixed plate bottom, the right side fixedly connected with infrared receiver at fly leaf top, the left side fixedly connected with scale at fly leaf top, the top of scale runs through to the top of fixed plate, the top of fixed plate is by controlling fixedly connected with camera, wireless transceiver and the box respectively, the bottom fixedly connected with battery of box inner chamber, the back of box inner chamber is installed positioning module and treater respectively by controlling to the right side, the top of standpipe is through the support mounting solar cell panel, the top of fly leaf runs through and is provided with the bull stick, the bottom of bull stick runs through the inner chamber and the fixedly connected with plectrum of standpipe to the casing, the surface of plectrum is through swing joint has the connecting plate, the connecting plate is kept away from the side by controlling fixedly connected with scale, the top of a perpendicular plate is equipped with the top of a perpendicular to the top of a casing, the extension spring is kept away from the top of a perpendicular plate and is equipped with one side of the long-range connection of a perpendicular plate respectively, the top of a perpendicular plate has one end of a perpendicular electric connection to the top of the casing, the extension spring is connected with one side of the extension spring.

Preferably, the output end of the solar panel is electrically connected with the input end of the storage battery, the output ends of the storage battery, the infrared transmitter, the infrared receiver and the camera are electrically connected with the input end of the processor, and the processor is respectively and bidirectionally electrically connected with the positioning module and the wireless transceiver.

Preferably, the bottom movable sleeve on standpipe surface is equipped with the annular plate, the surface of annular plate has the long board through pivot swing joint, the one end that the long board kept away from the standpipe has the baffle through pivot swing joint.

Preferably, the front fixedly connected with framework of fixed plate, the draw-in groove has been seted up in the front of standpipe, the front of framework runs through and is provided with the draw-in lever, the rear end of draw-in lever runs through framework and fixed plate and extends to the inner chamber of draw-in groove, the surface of draw-in lever corresponds fixed cover respectively and establishes and movable cover is equipped with square board and second spring, the both ends of second spring correspond respectively with one side of square board and one side fixed connection of framework inner chamber.

Preferably, the left side fixedly connected with U template of solar cell panel, the back fixedly connected with motor of U template, the front end of motor pivot runs through to the inner chamber of U template and fixedly connected with threaded rod, the front end of threaded rod passes through the front swing joint of bearing and U template inner chamber, the surface thread bush of threaded rod is equipped with the movable block, the right side fixedly connected with brush cleaner of movable block.

Preferably, the spirit level is installed in the left side at fixed plate top, all be provided with the bearing between bull stick and standpipe and the casing respectively, the surface at the bull stick is established to the bearing housing.

Preferably, the front of box has the chamber door through bolt swing joint, the top and the bottom of casing inner chamber are all fixedly connected with stopper, the bottom fixedly connected with fixed cone of casing.

Preferably, the use method of the land settlement automatic monitoring device comprises the following steps:

a) The bottom of the shell is firstly arranged on the upper part of the hard soil layer to position, the fixed cone is inserted into the hard soil layer, the long plate and the baffle are unfolded and arranged in soft soil on the upper layer of the hard soil layer, the hand wheel is rotated to enable the rotating rod and the circular plate to rotate, the connecting plate enables the short plate and the inserting plate to move under the action of the circular plate, the first spring retracts, the inserting plate is inserted into soil to fix the shell and the vertical pipe, the bottom of the movable plate is contacted with the top of the soil, and a plurality of monitoring devices are arranged in each soil to cover the whole area.

B) The clamping rod and the square plate are driven to move by pulling the pull plate, the second spring compresses, the clamping rod is separated from the original clamping groove, the position of the fixing plate is adjusted, the distance between the infrared emitter and the infrared receiver is adjusted, the pull plate is loosened, the clamping rod is inserted into the clamping groove under the action of the second spring, and the fixing plate is fixed.

C) Along with subsidence of the land, under the accurate cooperation of infrared transmitter signal emission and infrared receiver signal reception, measure the data that the land subsided, upload data transmission and monitoring devices code to the remote terminal through treater, positioning module and wireless transceiver, simultaneously remote terminal can observe the scale through wireless transceiver and treater control camera, compare with last recorded scale mark, obtain corresponding data and the data of feedback and compare.

D) The processor controls the operation of the motor regularly, so that the threaded rod rotates to drive the movable block and the cleaning brush to move, the surface of the solar cell panel is cleaned, and the long-time dust accumulation is prevented from affecting the light energy conversion efficiency of the solar cell panel.

Compared with the prior art, the invention has the following beneficial effects:

1. according to the invention, through matching of the vertical pipe, the shell, the guide plate, the fixed plate, the movable plate, the infrared emitter, the infrared receiver, the graduated scale, the camera, the wireless transceiver, the box body, the storage battery, the positioning module, the processor, the solar cell panel, the rotating rod, the circular plate, the connecting plate, the short plate, the plugboard, the first spring, the hand wheel and the remote terminal, the land subsidence monitoring device has the advantages of high measurement precision, full coverage area, automatic and intelligent subsidence monitoring, solves the problems that the existing land subsidence monitoring device usually adopts an inverted T-shaped subsidence plate to observe the subsidence height in a visual observation manner, has a certain influence on the measurement precision, and can not realize full coverage area, automatic and intelligent subsidence monitoring and can not meet the land subsidence monitoring requirement.

2. According to the invention, the solar cell panel and the storage battery are arranged, solar energy is converted into electric energy to be stored in the storage battery, electric power is provided for a power supply component, environmental protection and energy saving are realized, the positions of the fixed plates are convenient to install, fix and adjust, the settlement monitoring of the lands with different depths is convenient to carry out in the installation operation, the surfaces of the solar cell panel are convenient to clean at regular time by arranging the U-shaped plate, the motor, the threaded rod, the movable block and the cleaning brush, the efficiency of the solar cell panel for light energy conversion is prevented from being influenced by long-time dust accumulation, and the maintenance of the components in the box body is convenient by arranging the box door.

Drawings

FIG. 1 is a schematic diagram of the structure of the present invention;

FIG. 2 is a schematic cross-sectional perspective view of a standpipe of the present invention;

FIG. 3 is an enlarged perspective view of the web and disk assembly of the present invention;

FIG. 4 is a schematic perspective view of the long plate and annular plate components of the present invention;

FIG. 5 is a first enlarged perspective view of the fixed and movable plates of the present invention;

FIG. 6 is a second enlarged perspective view of the fixed and movable plates of the present invention;

FIG. 7 is an enlarged perspective view of the frame and clamping bar components of the present invention;

FIG. 8 is a cross-sectional, perspective, enlarged schematic view of the case of the present invention;

FIG. 9 is an enlarged perspective view of the U-shaped plate and threaded rod assembly of the present invention;

fig. 10 is a schematic diagram of the system of the present invention.

In the figure: 1 vertical tube, 2 shell, 3 deflector, 4 fixed plates, 5 movable plates, 6 infrared emitters, 7 infrared receivers, 8 graduated scales, 9 cameras, 10 wireless transceivers, 11 boxes, 12 storage batteries, 13 positioning modules, 14 processors, 15 solar panels, 16 rotating rods, 17 circular plates, 18 connecting plates, 19 short plates, 20 inserting plates, 21 first springs, 22 annular plates, 23 long plates, 24 baffles, 25 frames, 26 clamping rods, 27 square plates, 28 second springs, 29U-shaped plates, 30 motors, 31 threaded rods, 32 movable blocks, 33 cleaning brushes, 34 level gauges, 35 clamping grooves, 36 hand wheels and 37 remote terminals.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1-10, an automatic land subsidence monitoring device comprises a vertical pipe 1, a shell 2 is fixedly connected to the bottom of the vertical pipe 1, guide plates 3 are fixedly connected to two sides of the shell 2, a fixed plate 4 is sleeved on the top of the surface of the vertical pipe 1, a movable plate 5 is movably sleeved on the surface of the vertical pipe 1, an infrared emitter 6 is fixedly connected to the right side of the bottom of the fixed plate 4, an infrared receiver 7 is fixedly connected to the right side of the top of the movable plate 5, a graduated scale 8 is fixedly connected to the left side of the top of the movable plate 5, the top of the graduated scale 8 penetrates through the top of the fixed plate 4, a camera 9, a wireless transceiver 10 and a box 11 are respectively and fixedly connected from left to right at the top of the fixed plate 4, a storage battery 12 is fixedly connected to the bottom of an inner cavity of the box 11, a positioning module 13 and a processor 14 are respectively arranged on the back of the inner cavity of the box 11 from left to right, the solar cell panel 15 is arranged at the top of the vertical pipe 1 through a bracket, the rotating rod 16 is arranged at the top of the vertical pipe 1 in a penetrating way, the bottom of the rotating rod 16 extends to the inner cavity of the shell 2 through the vertical pipe 1 and is fixedly connected with the circular plate 17, the surface of the circular plate 17 is movably connected with the connecting plate 18 through a rotating shaft, one end of the connecting plate 18, far away from the circular plate 17, is movably connected with the short plate 19 through the rotating shaft, one side of the short plate 19, far away from the connecting plate 18, is fixedly connected with the inserting plate 20, one end of the inserting plate 20, far away from the short plate 19, penetrates to the outside of the shell 2, a first spring 21 is movably sleeved on the surface of the inserting plate 20, two ends of the first spring 21 are respectively and fixedly connected with one side of the short plate 19 and the inner wall of the shell 2, the wireless transceiver 10 is electrically connected with the remote terminal 37 in a bidirectional way, the top of the rotating rod 16 is fixedly connected with the hand wheel 36, and the processor 14, the storage battery 12 and the positioning module 13 are protected through the box 11, by providing the hand wheel 36, the turning bar 16 is more convenient and labor-saving when turning.

The output of solar cell panel 15 is connected with the input electric connection of battery 12, infrared transmitter 6, infrared receiver 7 and camera 9's output all is connected with the input electric connection of treater 14, treater 14 respectively with positioning module 13 and wireless transceiver 10 two-way electric connection, through setting up solar cell panel 15 and battery 12, with solar energy conversion electric energy storage in battery 12, for power supply component provides electric power, environmental protection and energy saving.

The bottom movable sleeve on the surface of the vertical pipe 1 is provided with an annular plate 22, the surface of the annular plate 22 is movably connected with a long plate 23 through a rotating shaft, one end, far away from the vertical pipe 1, of the long plate 23 is movably connected with a baffle 24 through the rotating shaft, the annular plate 22, the long plate 23 and the baffle 24 are buried into the ground, the vertical pipe 1 is fixed and prevented from being inclined by external impact force, and meanwhile, the vertical pipe can descend along with the vertical pipe when the ground subsides, so that normal detection cannot be influenced.

The positive fixedly connected with framework 25 of fixed plate 4, draw-in groove 35 has been seted up in the front of standpipe 1, the front of framework 25 runs through and is provided with draw-in lever 26, the rear end of draw-in lever 26 runs through framework 25 and fixed plate 4 and extends to the inner chamber of draw-in groove 35, the surface of draw-in lever 26 corresponds the fixed cover respectively and establishes and the movable cover is equipped with square plate 27 and second spring 28, the both ends of second spring 28 correspond respectively with one side of square plate 27 and one side fixed connection of framework 25 inner chamber, through setting up framework 25, draw-in lever 26, square plate 27, second spring 28 and draw-in groove 35, the fixed regulation of position to fixed plate 4 is convenient for install the convenience and subsides the monitoring to the soil of different degree of depth in the installation operation.

The left side fixedly connected with U template 29 of solar cell panel 15, the back fixedly connected with motor 30 of U template 29, the front end of motor 30 pivot runs through to the inner chamber of U template 29 and fixedly connected with threaded rod 31, the front end of threaded rod 31 passes through the front swing joint of bearing and U template 29 inner chamber, the surperficial screw thread cover of threaded rod 31 is equipped with movable block 32, the right side fixedly connected with brush cleaner 33 of movable block 32, through setting up U template 29, motor 30, threaded rod 31, movable block 32 and brush cleaner 33, the convenience is regularly cleared up the surface of solar cell panel 15, prevent the accumulation of long-time dust influence solar cell panel 15 light energy conversion's efficiency.

The spirit level 34 is installed in the left side at fixed plate 4 top, all is provided with the bearing between bull stick 16 and standpipe 1 and the casing 2 respectively, and the bearing housing is established on the surface of bull stick 16, through setting up the spirit level, is convenient for observe whether monitoring devices preserve vertical level, through setting up the bearing, fixes bull stick 16, makes it can not take place to remove when rotating.

The front of box 11 is through bolt swing joint has the chamber door, and the top and the equal fixedly connected with stopper of bottom of casing 2 inner chamber, the fixed awl of bottom fixedly connected with of casing 2, through setting up the chamber door, is convenient for overhaul the component in the box 11.

One end of the clamping rod 26 far away from the vertical pipe 1 is fixedly connected with a pulling plate, the pulling plate is circular in shape, and the clamping rod 26 is convenient to drive to move by pulling the pulling plate.

The application method of the automatic land subsidence monitoring device comprises the following steps:

a) The bottom of the shell 2 is firstly installed on the upper part of a hard soil layer to be positioned, the fixed cone is inserted into the hard soil layer, the long plate 23 and the baffle 24 are unfolded and installed in soft soil on the upper layer of the hard soil layer, the hand wheel 36 is rotated to enable the rotating rod 16 and the circular plate 17 to rotate, the connecting plate 18 is enabled to enable the short plate 19 and the inserting plate 20 to move under the action of the circular plate 17, the first spring 21 is retracted, the inserting plate 20 is enabled to be inserted into soil to fix the shell 2 and the vertical pipe 1, the bottom of the movable plate 5 is enabled to be in contact with the top of the soil, and a plurality of monitoring devices are installed in each soil to cover the whole area.

B) The clamping rod 26 and the square plate 27 are driven to move by pulling the pull plate, the second spring 28 compresses, the clamping rod 26 is separated from the original clamping groove 35, the position of the fixing plate 4 is adjusted, the distance between the infrared emitter 6 and the infrared receiver 7 is adjusted, the pull plate is loosened, and the clamping rod 26 is inserted into the clamping groove 35 under the action of the second spring 28 to fix the fixing plate 4.

C) With the subsidence of the land, under the accurate cooperation of the signal transmission of the infrared transmitter 6 and the signal reception of the infrared receiver 7, the data of the subsidence of the land are measured, the codes of the data transmission and monitoring devices are uploaded to the remote terminal 37 through the processor 14, the positioning module 13 and the wireless transceiver 10, meanwhile, the remote terminal 37 can control the camera 9 to observe the graduated scale 8 through the wireless transceiver 10 and the processor 14, the corresponding data are obtained by comparing with the last recorded graduated marks, and the fed-back data are compared.

D) The processor 14 controls the operation of the motor 30 at regular time, so that the threaded rod 31 rotates to drive the movable block 32 and the cleaning brush 33 to move, the surface of the solar panel 15 is cleaned, and long-time dust accumulation is prevented from affecting the light energy conversion efficiency of the solar panel 15.

The various components used in the application document are standard components, the standard components can be purchased from the market, the specific connection modes of the components adopt conventional means such as mature bolts, rivets and welding in the prior art, the machinery, the components and the electrical equipment adopt conventional models in the prior art, and the circuit connection adopts conventional connection modes in the prior art, so that specific description is not made.

To sum up: this automatic monitoring device that land subsides, through standpipe 1, casing 2, deflector 3, fixed plate 4, fly leaf 5, infrared emitter 6, infrared receiver 7, scale 8, camera 9, wireless transceiver 10, box 11, battery 12, positioning module 13, processor 14, solar cell panel 15, bull stick 16, round plate 17, connecting plate 18, short plate 19, picture peg 20, first spring 21, hand wheel 36 and remote terminal 37 cooperate, the subsidence height is observed to the subsidence board visual observation that has solved current land subsidence monitoring device and has certain influence to measuring precision, can 'T realize covering full region simultaneously, automatic and intelligent subsidence monitoring, can' T satisfy the problem that land subsidence monitoring needs.

Claims

1. The utility model provides an automatic monitoring device of land subsidence, includes standpipe (1), its characterized in that: the utility model discloses a solar energy storage device, including riser (1), fixed plate (4), wireless transceiver (10) and box (11) are installed to the bottom fixedly connected with casing (2) of riser (1), the equal fixedly connected with deflector (3) in both sides of casing (2), fixed plate (4) are installed to the top cover on riser (1) surface, the surface movable sleeve of riser (1) is equipped with fly leaf (5), the right side fixedly connected with infrared emitter (6) of fixed plate (4) bottom, the right side fixedly connected with infrared receiver (7) at fly leaf (5) top, the left side fixedly connected with scale (8) at fly leaf (5) top, the top of scale (8) runs through to the top of fixed plate (4), the top of fixed plate (4) is by a left side to right fixedly connected with camera (9), wireless transceiver (10) and box (11) respectively, the bottom fixedly connected with battery (12) of box (11) inner chamber, the back of box (11) inner chamber is by a left side to right side installs location module (13) and treater (14) respectively, the top of riser (1) has through cell support (16) top (16) that riser (1) can run through to the top of riser (16) and riser (1) is fixed through the top (16), the surface of plectane (17) is through pivot swing joint there being connecting plate (18), the one end that plectane (17) was kept away from to connecting plate (18) is through pivot swing joint there being short board (19), one side fixedly connected with picture peg (20) that short board (19) were kept away from to short board (18), the one end that short board (19) was kept away from to picture peg (20) runs through to the outside of casing (2), the surface movable sleeve of picture peg (20) is equipped with first spring (21), the both ends of first spring (21) correspond respectively with one side of short board (19) and the inner wall fixed connection of casing (2), wireless transceiver (10) two-way electric connection has remote terminal (37), the top fixedly connected with hand wheel (36) of bull stick (16).

2. An automatic land subsidence monitoring apparatus as set forth in claim 1, wherein: the output end of the solar cell panel (15) is electrically connected with the input end of the storage battery (12), the output ends of the storage battery (12), the infrared emitter (6), the infrared receiver (7) and the camera (9) are electrically connected with the input end of the processor (14), and the processor (14) is respectively and bidirectionally electrically connected with the positioning module (13) and the wireless transceiver (10).

3. An automatic land subsidence monitoring apparatus as set forth in claim 1, wherein: the bottom movable sleeve on the surface of the vertical pipe (1) is provided with an annular plate (22), the surface of the annular plate (22) is movably connected with a long plate (23) through a rotating shaft, and one end, far away from the vertical pipe (1), of the long plate (23) is movably connected with a baffle (24) through the rotating shaft.

4. An automatic land subsidence monitoring apparatus as set forth in claim 1, wherein: the front fixedly connected with framework (25) of fixed plate (4), draw-in groove (35) have been seted up in the front of standpipe (1), the front of framework (25) runs through and is provided with draw-in bar (26), the rear end of draw-in bar (26) runs through the inner chamber of framework (25) and fixed plate (4) and extension to draw-in groove (35), the surface of draw-in bar (26) corresponds fixed cover respectively and establishes and movable cover is equipped with square board (27) and second spring (28), the both ends of second spring (28) correspond respectively with one side of square board (27) and one side fixed connection of framework (25) inner chamber.

5. An automatic land subsidence monitoring apparatus as set forth in claim 1, wherein: the solar cell panel (15) is characterized in that a U-shaped plate (29) is fixedly connected to the left side of the solar cell panel (15), a motor (30) is fixedly connected to the back of the U-shaped plate (29), the front end of a rotating shaft of the motor (30) penetrates through an inner cavity of the U-shaped plate (29) and is fixedly connected with a threaded rod (31), the front end of the threaded rod (31) is movably connected with the front side of the inner cavity of the U-shaped plate (29) through a bearing, a movable block (32) is sleeved on the surface thread of the threaded rod (31), and a cleaning brush (33) is fixedly connected to the right side of the movable block (32).

6. An automatic land subsidence monitoring apparatus as set forth in claim 1, wherein: the level gauge (34) is installed on the left side at the top of the fixed plate (4), bearings are arranged between the rotating rod (16) and the vertical pipe (1) and between the rotating rod and the shell (2), and the bearings are sleeved on the surface of the rotating rod (16).

7. An automatic land subsidence monitoring apparatus as set forth in claim 1, wherein: the front of box (11) has the chamber door through bolt swing joint, the top and the bottom of casing (2) inner chamber are all fixedly connected with stopper, the bottom fixedly connected with of casing (2) is fixed with the awl.

8. The land subsidence automatic monitoring apparatus as set forth in claim 4, wherein: one end of the clamping rod (26) far away from the vertical pipe (1) is fixedly connected with a pulling plate, and the pulling plate is circular in shape.

9. A method of using an automatic land subsidence monitoring apparatus as set forth in any one of claims 1-8 wherein: the method comprises the following steps:

a) Firstly, the bottom of a shell (2) is installed on the upper part of a hard soil layer to be positioned, a fixed cone is inserted into the hard soil layer, a long plate (23) and a baffle plate (24) are unfolded and installed in soft soil on the upper layer of the hard soil layer, a hand wheel (36) is rotated to enable a rotating rod (16) and a circular plate (17) to rotate, a connecting plate (18) enables a short plate (19) and an inserting plate (20) to move under the action of the circular plate (17), and a first spring (21) retracts to enable the inserting plate (20) to be inserted into soil to fix the shell (2) and a vertical pipe (1), the bottom of a movable plate (5) is contacted with the top of the soil, and a plurality of monitoring devices are installed in each soil to cover a whole area;

b) The clamping rod (26) and the square plate (27) are driven to move by pulling the pull plate, the second spring (28) compresses, the clamping rod (26) is separated from the original clamping groove (35), the position of the fixing plate (4) is adjusted, the distance between the infrared emitter (6) and the infrared receiver (7) is adjusted, the pull plate is loosened, the clamping rod (26) is inserted into the clamping groove (35) under the action of the second spring (28), and the fixing plate (4) is fixed;

c) With the subsidence of the land, under the accurate coordination of the signal emission of the infrared emitter (6) and the signal reception of the infrared receiver (7), measuring the data of the subsidence of the land, uploading the codes of the data transmission and monitoring devices to a remote terminal (37) through a processor (14), a positioning module (13) and a wireless transceiver (10), and simultaneously, the remote terminal (37) can control a camera (9) to observe a graduated scale (8) through the wireless transceiver (10) and the processor (14), compare with the last recorded graduated mark, and obtain corresponding data to compare with the fed-back data;

d) The processor (14) controls the operation of the motor (30) at regular time, so that the threaded rod (31) rotates to drive the movable block (32) and the cleaning brush (33) to move, the surface of the solar cell panel (15) is cleaned, and the long-time dust accumulation is prevented from affecting the light energy conversion efficiency of the solar cell panel (15).