CN112113482B - Geological landslide monitoring sensor based on NB-IOT network and use method thereof - Google Patents
Geological landslide monitoring sensor based on NB-IOT network and use method thereof Download PDFInfo
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- CN112113482B CN112113482B CN202010904679.2A CN202010904679A CN112113482B CN 112113482 B CN112113482 B CN 112113482B CN 202010904679 A CN202010904679 A CN 202010904679A CN 112113482 B CN112113482 B CN 112113482B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/02—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/0002—Arrangements for supporting, fixing or guiding the measuring instrument or the object to be measured
- G01B5/0004—Supports
Abstract
The invention discloses a geological landslide monitoring sensor based on an NB-IOT network and a use method thereof, wherein the sensor comprises a base, a displacement sensing part and an NB-IoT module, the lower surface of the base is provided with plug-in parts inserted into landslide bodies of different depths, the sensing part of the displacement sensing part is connected with a traction wire, one end of the traction wire far away from the displacement sensing part is fixedly connected with a balancing weight, the plug-in parts comprise disconnectable connecting blocks, the inner walls of the connecting blocks are provided with sliding grooves for the sliding-in of the balancing weight, the connecting blocks are provided with locking parts for locking the balancing weight, the connecting blocks are connected through a connecting mechanism, and the plug-in parts further comprise a regulating and controlling mechanism for controlling the operation of. The invention has the advantages that the breakable rigid connecting blocks are inserted into the landslide body, the phenomenon of breakage in the insertion process is avoided, and meanwhile, after the connection is inserted, when soil is loosened, the connecting blocks can be automatically broken, so that the landslide body at different depths can be monitored.
Description
Technical Field
The invention relates to the technical field of landslide monitoring, in particular to a geological landslide monitoring sensor based on an NB-IOT network and a using method thereof.
Background
Landslide (landslides) refers to the action and phenomenon that a part of rock soil on a mountain slope generates shear displacement along a certain soft structural surface (belt) under the action of gravity (including the gravity of the rock soil and the dynamic and static pressure of underground water) to integrally move towards the lower part of the slope, and is commonly called as 'mountain walking', 'mountain caving', 'ground sliding', 'soil sliding', and the like, and is one of common geological disasters.
For example, the landslide deep displacement monitoring system and method disclosed in chinese patent CN201210324451.1, the invention includes a base, a measuring device installed on the base, at least one displacement sensor installed in the measuring device, a traction wire having one end passing through the base to be connected with the displacement sensor and the other end fixedly connected with an anchor head embedded in a sliding bed. Excavating a drill hole on the landslide body; placing the anchor head into the drilled hole, and when a plurality of traction wires are arranged, respectively arranging the anchor head at different depths; arranging a brittle casing pipe to the anchor head; pouring cement mortar between the drill hole and the brittle casing pipe; fixedly mounting a measuring device; the deep multi-point displacement monitoring of the large-deformation landslide is realized through the steps. By adopting the structure, the large displacement of the deep part of the landslide can be measured, and the anchor heads of the plurality of traction ropes are arranged at different depths according to the specific depth of the landslide body, so that the traction ropes are pulled out by different lengths to obtain displacement signals of the landslide body at different depths.
However, in the scheme, the displacement information of the landslide body at different depths is monitored by utilizing the brittleness of the brittle casing pipe, so that the brittle casing pipe is easy to break in the process of being inserted into the landslide body, and the installation progress is influenced.
Disclosure of Invention
The invention aims to provide a geological landslide monitoring sensor based on an NB-IOT network and a use method thereof, which are characterized in that the sensor is inserted into a landslide body through breakable rigid connecting blocks, so that the phenomenon of breakage in the insertion process is avoided, and meanwhile, after the sensor is inserted, when soil is loosened, the connecting blocks can be automatically broken so as to monitor landslide bodies at different depths, so that the problem that the displacement information of the landslide bodies at different depths is monitored by utilizing the brittleness of a brittle sleeve is solved, and the problem that the mounting progress is influenced by the breakage phenomenon easily generated in the process of inserting the brittle sleeve into the landslide body is solved.
In order to achieve the purpose, the invention provides the following technical scheme: geological landslide monitoring sensor based on NB-IOT network, including base, displacement sensing part and NB-IOT module, the lower surface of base is provided with the grafting portion that inserts different degree of depth landslide body department, the bottom of grafting portion is provided with the anchor head that inserts to the sliding bed in, the sensing part of displacement sensing part is connected with the pull wire, the pull wire is kept away from the one end fixedly connected with balancing weight of displacement sensing part.
The inserting part comprises connecting blocks which can be disconnected, sliding grooves used for sliding the balancing weights into are formed in the inner walls of the connecting blocks, locking parts used for locking the balancing weights are arranged on the connecting blocks, and the connecting blocks are connected through connecting mechanisms.
The plug part also comprises a regulating mechanism for controlling the operation of the connecting mechanism and the locking part.
Preferably, the adjusting and controlling mechanism comprises a groove formed in the side face of the connecting block, two rotating arms arranged in parallel are hinged in the groove of the groove, one ends, far away from the groove, of the two rotating arms are hinged to a pressing plate together, and a first resetting mechanism used for resetting the pressing plate is arranged on the inner wall of the connecting block.
Preferably, the connection mechanism is connected including rotating the inner wall pivot of connecting block bottom, the fixed surface of pivot is connected with the connecting plate, the connecting plate is kept away from the tip fixedly connected with inserted block of pivot, the upper surface of connecting block is seted up and is used for inserted block male slot, the inner wall of connecting block is provided with and is used for the canceling release mechanical system two that the inserted block resets.
Preferably, the locking component comprises an opening formed in the side face of the connecting block, the opening is communicated with the sliding groove, and the connecting block is slidably connected with a locking column through the opening.
Preferably, the surface of the pressing plate is provided with a through groove which is communicated up and down, and the pressing plate is inserted with an inserting rod through the through groove.
Preferably, the first resetting mechanism comprises a first spring fixedly connected to the inner wall of the connecting block, a rack plate is fixedly connected to the upper end of the first spring, a gear is fixedly connected to the hinged position of the rotating arm and the groove wall of the groove, and the gear is meshed with the rack plate.
Preferably, the second reset mechanism comprises a second spring fixedly connected to the inner wall of the connecting block, and the end of the second spring is fixedly connected with the surface of the connecting plate.
Preferably, the upper end of the inserted link is fixedly connected with a handle.
The invention provides the following methods of use: a use method of a geological landslide monitoring sensor based on an NB-IOT network comprises the following steps:
s1: excavating and drilling on the landslide body and the sliding bed;
s2: inserting the entire monitoring sensor into the hole of the drilled hole in step S1;
s3: when soil in any layer of landslide is loosened, the connection of the connecting mechanism can be automatically controlled to be released through the regulating mechanism, so that the two connecting blocks can be disconnected, and meanwhile, the locking component is automatically controlled to lock the balancing weight through the regulating mechanism;
s4: when any layer of landslide body has a landslide, the connecting block can be driven to slide downwards together, the length of the pulling wire is further increased, so that displacement signals of the landslide bodies at different depths can be obtained, and information is transmitted to the monitoring end of the background through the NB-IOT module.
Compared with the prior art, the invention has the following beneficial effects:
firstly, when soil in the first layer of landslide body in the graph 4 is loosened, the rack plate is driven to move upwards by utilizing upward elastic force of the spring, the gear is driven to rotate through the upward movement of the rack plate and through meshing transmission between the rack plate and the gear, the rotating arms are driven to rotate through the rotation of the gear, the pressing plate is driven to translate along a circumferential track through the rotation of the rotating arms, the pressing plate is driven to translate along the circumferential track through the pressing plate, the side face of the insert block is separated from the state shown in the graph 2 to the graph 6, at the moment, the rotating shaft is driven to rotate anticlockwise through the elastic restoring force of the second spring in the graph 6, the insert block is driven to separate from the slot through the anticlockwise rotation of the rotating shaft and through the connecting plate, and therefore the effect of separation between the connecting block in the first layer of landslide body and the connecting block.
When the first layer of landslide body is in a landslide, the connecting blocks in the first landslide body can be driven to slide downwards together, so that displacement signals of the landslide body at different depths can be obtained through the length of the pull wire pulled out, and information is transmitted to the monitoring end of the background through the NB-IOT module.
Thirdly, when the pressure plate is translated along the circumferential track and is in the state shown in fig. 6, the pressure plate is pressed against the locking column, so that the end part of the locking column extends into the sliding groove, and the phenomenon that the balancing weight is separated from the sliding groove is avoided.
Drawings
FIG. 1 is a front view of the structure of the present invention;
FIG. 2 is a front view of the present invention corresponding to the partial structure of FIG. 1;
FIG. 3 is a first state diagram of the structure of the present invention;
FIG. 4 is a second state diagram of the structure of the present invention;
FIG. 5 is a third state diagram of the structure of the present invention;
fig. 6 is a front view of the invention corresponding to the partial structure of fig. 5.
In the figure: 1-base, 2-displacement sensing component, 3-landslide body, 4-sliding bed, 5-anchor head, 6-traction line, 7-counterweight block, 8-connecting block, 9-sliding groove, 10-rotating arm, 11-pressing plate, 12-rotating shaft, 13-connecting plate, 14-inserting block, 15-inserting groove, 16-through groove, 17-inserting rod, 18-spring I, 19-rack plate, 20-gear, 21-spring II, 22-handle and 23-locking column.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 6, the present invention provides a technical solution: the geological landslide monitoring sensor based on the NB-IOT network comprises a base 1, a displacement sensing component 2 and an NB-IOT module, wherein the lower surface of the base 1 is provided with an inserting part inserted into landslide bodies 3 with different depths, the bottom of the inserting part is provided with an anchor head 5 inserted into a sliding bed 4, the whole inserting part is supported by fixedly inserting the anchor head 5 into the bottom of the sliding bed 4, the sensing component of the displacement sensing component 2 is connected with a traction wire 6, one end of the traction wire 6, far away from the displacement sensing component 2, is fixedly connected with a balancing weight 7, the inserting part comprises connecting blocks 8 which can be disconnected, the inner wall of each connecting block 8 is provided with a sliding groove 9 for the balancing weight 7 to slide in, the connecting block 8 is provided with a locking component for locking the balancing weight 7, and the connecting blocks 8 are connected through a connecting mechanism, the plug part also comprises a regulating mechanism for controlling the operation of the connecting mechanism and the locking part, and when in use, firstly, excavation and drilling are carried out on the sliding slope body 3 and the sliding bed 4 so that the whole monitoring sensor is inserted and reaches the state shown in figure 3; starting from the state shown in fig. 3, when the soil in the first-layer slip mass 3 in fig. 4 becomes loose, the connection of the connection mechanism can be automatically controlled to be released through the regulating mechanism, so that the effect of disconnection between the connection block 8 in the first slip mass 3 and the connection block 8 in the second slip mass 3 is realized, and meanwhile, the locking component is automatically controlled to lock the counterweight 7, so that the counterweight 7 is prevented from sliding out of the chute 9; when the first layer of landslide body 3 is in a landslide, the connecting block 8 in the first landslide body 3 can be driven to slide downwards together, and further the displacement signals of the landslide bodies 3 at different depths can be obtained through the length of the pull wire 6 which is pulled out, the principle of obtaining the displacement signals of the landslide bodies 3 at different depths can refer to the content disclosed in the fourth section in the specific implementation mode of the document cited in the background technology, and information is transmitted to the monitoring end of the background through the NB-IOT module.
Further, regulation and control mechanism is including seting up the recess of 8 sides of connecting block, the inslot of recess articulates there are two rocking arms 10 that are parallel arrangement, two rocking arm 10 keeps away from the one end of recess articulates jointly has clamp plate 11, the inner wall of connecting block 8 is provided with and is used for the canceling release mechanical system one that clamp plate 11 resets appears not hard up when the soil in the first layer landslide body 3 in figure 4, can utilize canceling release mechanical system one, drives clamp plate 11 and carries out the translation with the circumference orbit.
Further, coupling mechanism is connected including rotating the inner wall pivot 12 of connecting block 8 bottom, the fixed surface of pivot 12 is connected with connecting plate 13, connecting plate 13 is kept away from the tip fixedly connected with inserted block 14 of pivot 12, the upper surface of connecting block 8 is offered and is used for inserted block 14 male slot 15, the inner wall of connecting block 8 is provided with and is used for the canceling release mechanical system two that inserted block 14 resets translates with the circumference orbit through clamp plate 11, will break away from the side of inserted block 14 and by the state shown in fig. 2 to 6, utilizes canceling release mechanical system two this moment, drives pivot 12 anticlockwise rotation, through pivot 12 anticlockwise rotation and through connecting plate 13, drives inserted block 14 and breaks away from slot 15 to can realize the effect of disconnection between the connecting block 8 in the first landslide body 3 and the connecting block 8 in the second landslide body 3.
Further, the locking part is including seting up the opening of 8 sides of connecting block, the opening with spout 9 is linked together, connecting block 8 passes through opening sliding connection has locking post 23, when carrying out the translation with the circumference orbit through clamp plate 11 and arriving the state shown in fig. 6, will support and press locking post 23 for the tip of locking post 23 stretches into in the spout 9, can avoid balancing weight 7 to take place the phenomenon that breaks away from spout 9.
Furthermore, a through groove 16 which is communicated up and down is formed in the surface of the pressing plate 11, the pressing plate 11 is inserted with an inserting rod 17 through the through groove 16, the inserting rod 17 is pulled out to be in a state shown in fig. 4, at the moment, as shown in fig. 2, after the inserting rod 17 is pulled out, the movement of the pressing plate 11 can be not limited, so that before the pressing plate is pulled out, as shown in fig. 2, the pressing plate 11 can be abutted against the inserting block 14, the inserting block 14 is kept to be inserted into the inserting groove 15, and the connection among the connecting blocks 8 can be realized, so that the connecting blocks 8 are inserted into the pit together.
Further, one of the canceling release mechanical system includes fixed connection and is in a spring 18 of the 8 inner walls of connecting block, the upper end fixedly connected with rack plate 19 of a spring 18, arbitrary one the rocking arm 10 with the articulated department fixedly connected with gear 20 of groove wall, gear 20 with rack plate 19 meshes, utilizes the ascending elastic force of a spring 18, drives rack plate 19 and moves up, shifts up and through the meshing transmission between rack plate 19 and the gear 20 through rack plate 19, drives gear 20 and rotates, rotates through gear 20, can drive rocking arm 10 and rotate.
Further, the second reset mechanism comprises a second spring 21 fixedly connected to the inner wall of the connecting block 8, the end of the second spring 21 is fixedly connected to the surface of the connecting plate 13, and the second spring 21 provides an elastic force for the connecting plate 13, so that the insertion block 14 can be kept in a state of being separated from the slot 15 without any external force, as shown in fig. 6.
Further, the upper end of the insert rod 17 is fixedly connected with a handle 22, and through the arranged handle 22, an operator can conveniently cover the handle 22 and apply upward pulling force, so that the insert rod 17 is pulled out.
Referring to fig. 1 to 6, the present invention provides a method of using: a use method of a geological landslide monitoring sensor based on an NB-IOT network comprises the following steps:
s1: excavating and drilling holes on the sliding mass 3 and the sliding bed 4;
s2: inserting the entire monitoring sensor into the hole of the drilled hole in step S1;
s3: when the soil in any layer of the landslide body 3 is loosened, the connection of the connecting mechanism can be automatically controlled to be released through the regulating mechanism, so that the two connecting blocks 8 can be disconnected, and meanwhile, the locking component is automatically controlled to lock the balancing weight 7 through the regulating mechanism;
s4: when any layer of landslide body 3 has a landslide, the connecting block 8 can be driven to slide downwards together, and then the length of the pulling wire 6 is pulled out, so that displacement signals of the landslide body 3 at different depths can be obtained, and information is transmitted to a background monitoring end through the NB-IOT module.
The working principle is as follows: when the geological landslide monitoring sensor based on the NB-IOT network is used, firstly, excavation and drilling are carried out on a landslide body 3 and a sliding bed 4, so that the whole monitoring sensor is inserted and is in a state shown in figure 3;
starting from the state shown in fig. 3, by covering the handle 22, the plug rod 17 is pulled out to the state shown in fig. 4, and at this time, in combination with fig. 2, when the plug rod 17 is pulled out, the movement of the pressing plate 11 is not limited;
when the soil in the first layer of landslide body 3 in the figure 4 is loosened, the rack plate 19 is driven to move upwards by the upward elastic force of the first spring 18, the gear 20 is driven to rotate by the upward movement of the rack plate 19 and the meshing transmission between the rack plate 19 and the gear 20, the rotating arm 10 is driven to rotate by the rotation of the gear 20, because the two rotating arms 10 are arranged in parallel, the rotating arms 10 rotate to drive the pressure plate 11 to translate along a circular track, the pressing plate 11 is translated along a circular track to be separated from the side surface of the insertion block 14 from the state shown in fig. 2 to fig. 6, at this time, the elastic restoring force of the second spring 21 in fig. 6 is utilized to drive the rotating shaft 12 to rotate counterclockwise, the rotating shaft 12 rotates anticlockwise and drives the inserting block 14 to be separated from the slot 15 through the connecting plate 13, thereby realizing the effect of disconnection between the connecting block 8 in the first sliding mass 3 and the connecting block 8 in the second sliding mass 3;
when the first layer of landslide body 3 is in a landslide, the connecting block 8 in the first landslide body 3 can be driven to slide downwards together, so that displacement signals of the landslide body 3 at different depths can be obtained through the length of the pull wire 6 which is pulled out, and information is transmitted to a monitoring end of a background through the NB-IOT module;
when the pressing plate 11 is translated along the circumferential track and reaches the state shown in fig. 6, the locking column 23 is pressed against the pressing plate, so that the end of the locking column 23 extends into the sliding groove 9, and the counterweight 7 is prevented from being separated from the sliding groove 9.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. Geological landslide monitoring sensor based on NB-IOT network, including base (1), displacement sensing part (2) and NB-IOT module, its characterized in that: the lower surface of the base (1) is provided with an inserting part inserted into the sliding mass (3) with different depths, the bottom of the inserting part is provided with an anchor head (5) inserted into the sliding bed (4), the sensing part of the displacement sensing part (2) is connected with a traction wire (6), and one end of the traction wire (6) far away from the displacement sensing part (2) is fixedly connected with a balancing weight (7);
the inserting part comprises connecting blocks (8) which can be disconnected, sliding grooves (9) for sliding the balancing weights (7) into are formed in the inner walls of the connecting blocks (8), locking parts for locking the balancing weights (7) are arranged on the connecting blocks (8), and the connecting blocks (8) are connected through connecting mechanisms;
the inserting part also comprises a regulating mechanism for controlling the operation of the connecting mechanism and the locking part;
the adjusting and controlling mechanism comprises a groove formed in the side face of the connecting block (8), two rotating arms (10) which are arranged in parallel are hinged in the groove of the groove, one ends, far away from the groove, of the two rotating arms (10) are hinged to a pressing plate (11) together, and a first resetting mechanism for resetting the pressing plate (11) is arranged on the inner wall of the connecting block (8);
coupling mechanism is connected including rotating inner wall pivot (12) of connecting block (8) bottom, the fixed surface of pivot (12) is connected with connecting plate (13), connecting plate (13) are kept away from the tip fixedly connected with inserted block (14) of pivot (12), the upper surface of connecting block (8) is seted up and is used for inserted block (14) male slot (15), the inner wall of connecting block (8) is provided with and is used for the canceling release mechanical system two that inserted block (14) reset.
2. The NB-IOT network-based landslide monitoring sensor of claim 1, wherein: the locking part comprises an opening formed in the side face of the connecting block (8), the opening is communicated with the sliding groove (9), and the connecting block (8) is connected with a locking column (23) through the opening in a sliding mode.
3. The NB-IOT network-based landslide monitoring sensor of claim 2, wherein: the surface of the pressing plate (11) is provided with a through groove (16) which is communicated up and down, and the pressing plate (11) is inserted with an inserting rod (17) through the through groove (16).
4. The NB-IOT network-based landslide monitoring sensor according to any one of claims 1-3, wherein: the first resetting mechanism comprises a first spring (18) fixedly connected to the inner wall of the connecting block (8), a rack plate (19) fixedly connected to the upper end of the first spring (18), any one of the rotating arm (10) and a gear (20) fixedly connected to the hinged portion of the groove wall, and the gear (20) is meshed with the rack plate (19).
5. The NB-IOT network-based landslide monitoring sensor of claim 4, wherein: the second reset mechanism comprises a second spring (21) fixedly connected to the inner wall of the connecting block (8), and the end part of the second spring (21) is fixedly connected with the surface of the connecting plate (13).
6. The NB-IOT network-based landslide monitoring sensor of claim 3, wherein: the upper end of the inserted bar (17) is fixedly connected with a handle (22).
7. Use of NB-IOT network-based landslide monitoring sensors according to claim 1, comprising the steps of:
s1: excavating and drilling holes on the sliding mass (3) and the sliding bed (4);
s2: inserting the entire monitoring sensor into the hole of the drilled hole in step S1;
s3: when soil in any layer of the landslide body (3) is loosened, the connection of the connecting mechanism can be automatically controlled to be released through the regulating mechanism, so that the two connecting blocks (8) can be disconnected, and meanwhile, the locking component is automatically controlled to lock the balancing weight (7) through the regulating mechanism;
s4: when any layer of landslide body (3) landslide appears, the connecting block (8) can be driven to slide downwards together, and then the length of the pulling wire (6) pulled out is used for obtaining displacement signals of the landslide body (3) at different depths, and information is transmitted to the monitoring end of the background through the NB-IOT module.
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| CN114894242B (en) * | 2022-04-08 | 2024-03-12 | 中国电建集团贵阳勘测设计研究院有限公司 | Displacement amplification equipment for slope protection early warning |
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| JP4636217B2 (en) * | 2001-02-05 | 2011-02-23 | エルメック電子工業株式会社 | Landslide detection system |
| CN202119418U (en) * | 2011-04-23 | 2012-01-18 | 重庆大学 | Real-time monitoring system of landslide |
| CN102878893B (en) * | 2012-09-05 | 2015-12-02 | 三峡大学 | Landslide depth displacement monitoring system and method |
| CN103791805B (en) * | 2014-01-15 | 2018-07-27 | 重庆市高新工程勘察设计院有限公司 | Landslide depth displacement monitors system |
| CN107764192A (en) * | 2017-11-30 | 2018-03-06 | 中国地质调查局水文地质环境地质调查中心 | One kind landslide multi-point displacement intelligent monitoring device and monitoring method |
| CN110796830A (en) * | 2019-08-24 | 2020-02-14 | 深圳市正杰智能工程有限公司 | River levee side slope landslide detection device |
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