Slope stability monitoring device

Abstract

The present invention discloses a slope stability monitoring device, which relates to the technical field of slope monitoring equipment. The present invention includes a roadside pile and a pre-buried angle monitoring link; a connecting rod is fixedly connected to the bottom of the roadside pile, and a pre-buried angle monitoring link is hinged to the outer end of the connecting rod; the pre-buried angle monitoring link includes at least two hinged rods, and an angle sensor A for detecting the size of the included angle is installed between two adjacent hinged rods, and a soil moisture sensor is installed on the pre-buried angle monitoring link; the pre-buried angle monitoring link is also equipped with a plurality of displacement sensors A for detecting the size of the relative displacement change between the connecting rod and the hinged rod. The present invention monitors the moisture content and soil displacement data in the soil of the slope through the roadside pile and the pre-buried angle monitoring link, and issues timely warnings; it has the advantages of timely reminding passers-by to check and warn, timely eliminating hidden dangers and reducing serious threats to people's lives and property.

Description

Technical Field

[0001] The invention belongs to the technical field of slope monitoring equipment, and in particular relates to a slope stability monitoring device. Background Art

[0002] A side slope is a slope with a certain gradient created on both sides of a roadbed to ensure roadbed stability. It is generally used on rocky slopes with poor lithology, low strength, easily weathered rock layers, or weathered and broken hard rock layers with weathered and flaked surface layers. Its function is to prevent rainwater erosion, consolidate the soil and protect the slope, maintain water-soil balance, and maintain the stability of the roadbed and slope surface. Rainfall is also a key factor in inducing landslides. Slope instability is often closely related to the pore water pressure within the slope. To maintain slope stability, it is necessary to monitor the soil moisture content within the slope to prevent excessive moisture content from reducing the soil's shear strength and potentially leading to collapse. Therefore, water content is a major factor influencing slope instability. Rainfall infiltration increases the volumetric water content within the slope, leading to the emergence of transient saturated zones in localized areas. The shear strength parameters of the saturated soil decrease with increasing rainfall duration, resulting in the formation of slip surfaces within the slope, which constantly compromises the overall slope stability and poses a serious threat to people's lives and property.

[0003] When the slopes on both sides of the roadbed have a major landslide hazard, it is necessary to timely monitor the main data affecting the slope stability, such as the water content in the slope; therefore, the present invention designs a slope stability monitoring device. Summary of the Invention

[0004] The purpose of the present invention is to provide a slope stability monitoring device, which monitors the moisture content and soil displacement data in the soil of the slope through the action of roadside piles and pre-buried angle monitoring rods, and issues timely warnings; it has the advantages of timely reminding passers-by to check and warn, timely eliminating hidden dangers and reducing serious threats to people's lives and property, and solves the above-mentioned problem that the moisture content of the soil inside the slope is too high and endangers the stability of the slope but no timely warning can be issued.

[0005] To solve the above technical problems, the present invention is achieved through the following technical solutions:

[0006] The present invention relates to a slope stability monitoring device, comprising a roadside pile and a pre-buried angle monitoring connecting rod; a connecting rod is fixedly connected to the bottom of the roadside pile, and a pre-buried angle monitoring connecting rod is hinged to the outer end of the connecting rod; the pre-buried angle monitoring connecting rod comprises at least two hinged rods, and a rotation angle sensor A for detecting the size of the included angle is installed between two adjacent hinged rods, and a soil moisture sensor is installed on the pre-buried angle monitoring connecting rod; the pre-buried angle monitoring connecting rod is also equipped with a plurality of displacement sensors A for detecting the size of the relative displacement change between the connecting rod and the hinged rod.

[0007] Among them, multiple connecting rods in the embedded angle monitoring connecting rod are embedded in the soil of the slope in a W shape, and the embedded angle monitoring connecting rod is placed on the cross section of the slope; when soil settlement occurs at two adjacent bottom hinges in the embedded angle monitoring connecting rod or the soil of the slope is displaced outward to a certain extent, some of the connecting rods in the embedded angle monitoring connecting rod will also undergo displacement changes under the action of the soil displacement; thereby, the rotation angle data between some of the connecting rods and the displacement data of the displacement change of the position of the displacement sensor A on some of the connecting rods are monitored respectively by the rotation angle sensor A and the displacement sensor A; the soil moisture sensor is used to detect the moisture content data in the soil of the slope.

[0008] As a preferred technical solution of the present invention, a pneumatic piezometer A is fixedly installed on the hinged rod, and a counterweight A is installed at the hinge between two adjacent hinged rods; the pneumatic piezometer A detects liquid pressure data in the soil of the slope.

[0009] As a preferred technical solution of the present invention, at least one hinged support rod is evenly hinged on the circumference of the hinged rod, and an angle sensor B for detecting the size of the included angle is installed between the hinged end of the hinged rod and the hinged support rod; wherein, the angle sensor B between the hinged rod and the hinged support rod is relatively suitable for detecting small displacement changes in the soil of the slope; since the hinged end of the hinged support rod is hinged to the hinged rod, and the other end of the hinged support rod is a movable end; when there is a displacement change in the soil at its movable end, its movable end is easily pushed by the soil, and even when it is suspended in the air, its movable end vertically droops under the action of gravity, thereby rotating, The rotation data of the angle sensor B can be received; wherein, when the articulated support rod is pre-buried, the articulated support rod is in a non-vertical state, the purpose of which is that if the soil at that location undergoes displacement or other changes, it will rotate under the push of the soil or the action of gravity, and then the rotation data can be obtained; therefore, the angle sensor A between the two articulated rods is relatively suitable for detecting large displacement changes in the soil of the slope; therefore, when the angle sensor A in the pre-buried angle monitoring link generates rotation angle data, the change in displacement of the soil at that location is relatively large, and the more angle sensors A detect the data, the larger the range.

[0010] As a preferred technical solution of the present invention, the articulated support rod is in a non-vertical state, and a pneumatic piezometer B is fixedly installed on the side surface around the movable end of the articulated support rod. The articulated support rod is also equipped with a displacement sensor B for detecting the relative displacement change between the articulated support rod and the articulated rod; the pneumatic piezometer B is used to detect the liquid pressure data in the soil at that location; the displacement sensor B is used to detect the data information of the soil displacement change at that location.

[0011] As a preferred technical solution of the present invention, the movable end of the hinged support rod is slidably fitted with a sleeve around its side surface, and a spring is fitted between the movable end of the hinged support rod and the inner bottom wall of the sleeve; a counterweight block B is assembled at the bottom of the sleeve.

[0012] As a preferred technical solution of the present invention, the inner top wall of the sleeve and the movable end of the hinged support rod are equipped with a contact switch; when the displacement change of the soil reaches a certain level, the spring pushes the sleeve when gaps appear in the soil or the displacement changes until the contact switch is triggered. Then, when the displacement change of the soil reaches a certain level, the contact switch turns on a warning light, promptly reminding professionals that hidden dangers need to be eliminated or surrounding personnel to avoid risks.

[0013] As a preferred technical solution of the present invention, a warning light, a display screen, a solar panel for power supply, and a backup battery pack are fixedly installed on the top of the roadside pile; the warning light is electrically connected to a contact switch, and the contact switch controls the switching state of the warning light.

[0014] As a preferred technical solution of the present invention, it also includes a control panel, which is electrically connected to the angle sensor A, the angle sensor B, the displacement sensor A, the displacement sensor B, the pneumatic osmometer A, the pneumatic osmometer B, and the soil moisture sensor respectively. The control panel receives data information from the angle sensor A, the angle sensor B, the displacement sensor A, the displacement sensor B, the pneumatic osmometer A, the pneumatic osmometer B, and the soil moisture sensor through an A / D converter. The control panel stores the received information and displays the data information through a display screen.

[0015] As a preferred technical solution of the present invention, a limiting through hole is provided on the connecting rod, and a ground nail is fitted in the limiting through hole.

[0016] The present invention has the following beneficial effects:

[0017] 1. The present invention monitors the moisture content and soil displacement data in the slope soil through the action of roadside piles and pre-buried angle monitoring rods, and provides timely early warning; it has the advantages of promptly reminding passers-by to check and warn, eliminating hidden dangers in a timely manner and reducing serious threats to people's lives and property.

[0018] 2. The present invention, through the functions of the hinged rod and the hinged support rod in the embedded angle monitoring link, can be used to detect situations where the change in soil displacement is relatively large and situations where the change in soil displacement is relatively small; and can also detect the range of soil displacement within the range where the embedded angle monitoring link is placed.

[0019] 3. The present invention utilizes the functions of a contact switch and a warning light. When the displacement of the soil reaches a certain level, the spring pushes the sleeve when a gap appears in the soil or the displacement changes, until the contact switch is triggered. Then, when the displacement of the soil reaches a certain level, the contact switch turns on the warning light, promptly reminding professionals that hidden dangers need to be eliminated or nearby personnel to avoid danger.

[0020] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0022] Figure 1 Schematic diagram of the structure of a slope stability monitoring device of the present invention in Example 1;

[0023] Figure 2 This is a schematic structural diagram of the roadside pile and the connecting rod in Example 1;

[0024] Figure 3 Schematic diagram of the structure of a slope stability monitoring device of the present invention in Example 2;

[0025] Figure 4 This is a schematic structural diagram of the embedded angle monitoring connecting rod in Example 2;

[0026] Figure 5 It is a structural cross-sectional view of the hinged rod in the second embodiment;

[0027] Figure 6 This is a schematic diagram of a slope stability monitoring device of the present invention in Example 2, which is located in the soil and has a large displacement change;

[0028] In the accompanying drawings, the components represented by the reference numerals are as follows:

[0029] 1-Roadside pile, 2-Embedded angle monitoring connecting rod, 3-Slope, 101-Connecting rod, 102-Limiting through hole, 103-Ground nail, 104-Warning light, 105-Display screen, 106-Solar panel, 107-Backup battery pack, 201-Articulated rod, 202-Counterweight A, 2011-Articulated support rod, 2012-Casing, 2013-Spring, 2014-Counterweight B, 2015-Contact switch. DETAILED DESCRIPTION

[0030] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts shall fall within the scope of protection of the present invention.

[0031] Example 1

[0032] See also Figure 1-2 As shown, the present invention is a slope stability monitoring device, including a roadside pile 1 and a pre-buried angle monitoring link 2; a connecting rod 101 is fixedly connected to the bottom of the roadside pile 1, and the pre-buried angle monitoring link 2 is hinged to the outer end of the connecting rod 101; the pre-buried angle monitoring link 2 includes at least two hinged rods 201, and an angle sensor A for detecting the size of the angle is installed between two adjacent hinged rods 201, and a soil moisture sensor is installed on the pre-buried angle monitoring link 2; the pre-buried angle monitoring link 2 is also equipped with a plurality of displacement sensors A for detecting the size of the relative displacement change between the connecting rod 101 and the hinged rod 201.

[0033] Among them, multiple connecting rods 101 in the pre-embedded angle monitoring connecting rod 2 are pre-embedded in the soil of the slope in a W shape, and the pre-embedded angle monitoring connecting rod 2 is placed on the cross section of the slope; when soil settlement occurs at two adjacent bottom hinges in the pre-embedded angle monitoring connecting rod 2 or the soil of the slope is displaced outward to a certain extent, some of the connecting rods 101 in the pre-embedded angle monitoring connecting rod 2 will also undergo displacement changes under the action of the soil joint displacement; thereby, the rotation angle data between some of the connecting rods 101 and the displacement data of the displacement change of the position of the displacement sensor A on some of the connecting rods 101 are monitored respectively by the rotation angle sensor A and the displacement sensor A; the soil moisture sensor is used to detect the moisture content data in the soil of the slope.

[0034] Preferably, a pneumatic piezometer A is fixedly installed on the hinged rod 201, and a counterweight block A202 is installed at the hinge between two adjacent hinged rods 201; the pneumatic piezometer A detects the liquid pressure data in the soil of the slope; a limited through hole 102 is opened on the connecting rod 101, and a ground nail 103 is fitted in the limited through hole 102.

[0035] Example 2

[0036] A more preferred technical solution based on Example 1 is as follows: Figure 3-6As shown, it also includes a control panel, which is electrically connected to the angle sensor A, the angle sensor B, the displacement sensor A, the displacement sensor B, the pneumatic osmometer A, the pneumatic osmometer B, and the soil moisture sensor respectively. The control panel receives data information from the angle sensor A, the angle sensor B, the displacement sensor A, the displacement sensor B, the pneumatic osmometer A, the pneumatic osmometer B, and the soil moisture sensor through an A / D converter, stores the received information, and displays the data information through a display screen 105; at least one articulated support rod 2011 is evenly articulated on the circumference of the articulated rod 201, and an angle sensor B for detecting the size of the included angle is installed between the articulated rod 201 and the articulated end of the articulated support rod 2011; wherein, the angle sensor B between the articulated rod 201 and the articulated support rod 2011 is relatively suitable for detecting small displacement changes in the soil of the slope; due to the articulation of the articulated support rod 2011 The end is hinged on the hinged rod 201, and the other end of the hinged support rod 2011 is the movable end; when the soil at its movable end has displacement changes, its movable end is easily pushed by the soil, and even when it is suspended in the air, its movable end droops vertically under the action of gravity, thereby rotating, and the rotation data of the angle sensor B can be received; wherein, when the hinged support rod 2011 is pre-buried, the hinged support rod 2011 is in a non-vertical state, the purpose of which is that if the soil at that location has displacement or other changes, it will rotate under the push of the soil or the action of gravity, and then the rotation data can be obtained; therefore, the angle sensor A between the two hinged rods 201 is relatively suitable for detecting large displacement changes in the soil of the slope; therefore, when the angle sensor A in the pre-buried angle monitoring link 2 generates rotation angle data, the displacement change of the soil at that location is relatively large, and the more angle sensors A that detect data, the larger the range.

[0037] Preferably, the articulated support rod 2011 is in a non-vertical state, and a pneumatic piezometer B is fixedly installed on the side surface around the movable end of the articulated support rod 2011. The articulated support rod 2011 is also equipped with a displacement sensor B for detecting the relative displacement change between the articulated support rod 2011 and the articulated rod 201; the pneumatic piezometer B is used to detect the liquid pressure data in the soil at that location; the displacement sensor B is used to detect the data information of the soil displacement change at that location.

[0038] Preferably, a sleeve 2012 is slidably fitted around the side surface of the movable end of the hinged support rod 2011, and a spring 2013 is fitted between the movable end of the hinged support rod 2011 and the inner bottom wall of the sleeve 2012; a counterweight block B2014 is assembled at the bottom of the sleeve 2012; a contact switch 2015 is assembled between the inner top wall of the sleeve 2012 and the movable end of the hinged support rod 2011; when the displacement change of the soil reaches a certain extent, the spring 2013 pushes the sleeve 2012 during the process of gaps appearing in the soil or displacement changes until the contact switch 2015 is triggered, and then when the displacement change of the soil reaches a certain extent, the contact switch 2015 turns on the warning light 104, promptly reminding professionals that hidden dangers need to be eliminated or surrounding personnel to avoid risks.

[0039] Preferably, a warning light 104, a display screen 105, a solar panel 106 for power supply, and a backup battery pack 107 are fixedly installed on the top of the roadside pile 1; the warning light 104 is electrically connected to the contact switch 2015, and the contact switch 2015 controls the switching state of the warning light 104.

[0040] Throughout this specification, references to terms such as "one embodiment," "example," or "specific example" indicate that the specific features, structures, materials, or characteristics described in conjunction with that embodiment or example are included in at least one embodiment or example of the present invention. In this specification, schematic representations of these terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0041] The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. These preferred embodiments do not exhaustively describe all details, nor do they limit the present invention to the specific embodiments described. Obviously, many modifications and variations are possible based on the content of this specification. These embodiments are selected and described in detail in this specification to better explain the principles and practical applications of the present invention, thereby enabling those skilled in the art to better understand and utilize the present invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A slope stability monitoring device, characterized by: It includes a roadside pile (1) and a pre-buried angle monitoring connecting rod (2); The bottom of the roadside pile (1) is fixedly connected to a connecting rod (101), and the outer end of the connecting rod (101) is hingedly connected to a pre-buried angle monitoring connecting rod (2); The embedded angle monitoring connecting rod (2) comprises at least two hinged rods (201), a rotation angle sensor A for detecting the size of the included angle is installed between two adjacent hinged rods (201), and a soil moisture sensor is installed on the embedded angle monitoring connecting rod (2); the embedded angle monitoring connecting rod (2) is also equipped with a plurality of displacement sensors A for detecting the size of the relative displacement change between the connecting rod (101) and the hinged rod (201); A pneumatic osmometer A is fixedly mounted on the hinged rod (201), and a counterweight A (202) is mounted at the hinged joint between two adjacent hinged rods (201); At least one hinged support rod (2011) is evenly hinged on the circumference of the hinged rod (201), and a rotation angle sensor B for detecting the size of an included angle is installed between the hinged ends of the hinged rod (201) and the hinged support rod (2011).

2. A slope stability monitoring device according to claim 1, characterized in that: The hinged support rod (2011) is in a non-vertical state, and a pneumatic piezometer B is fixedly mounted on the side surface of the movable end of the hinged support rod (2011). The hinged support rod (2011) is also equipped with a displacement sensor B for detecting the relative displacement change between the hinged support rod (2011) and the hinged rod (201).

3. A slope stability monitoring device according to claim 2, characterized in that: The movable end of the hinged support rod (2011) is slidably fitted with a sleeve (2012) on its circumferential side, and a spring (2013) is fitted between the movable end of the hinged support rod (2011) and the inner bottom wall of the sleeve (2012); a counterweight block B (2014) is mounted on the bottom of the sleeve (2012).

4. A slope stability monitoring device according to claim 3, characterized in that: The inner top wall of the sleeve (2012) and the movable end of the hinged support rod (2011) are equipped with a contact switch (2015).

5. The slope stability monitoring device according to claim 4, characterized in that: A warning light (104), a display screen (105), a solar panel (106) for power supply, and a backup battery pack (107) are fixedly mounted on the top of the roadside pile (1); the warning light (104) is electrically connected to a contact switch (2015), and the contact switch (2015) controls the on / off state of the warning light (104).

6. The slope stability monitoring device according to claim 5, characterized in that: The device further comprises a control panel, wherein the control panel is electrically connected to the rotation angle sensor A, the rotation angle sensor B, the displacement sensor A, the displacement sensor B, the pneumatic osmometer A, the pneumatic osmometer B, and the soil moisture sensor, respectively. The control panel receives data information of the rotation angle sensor A, the rotation angle sensor B, the displacement sensor A, the displacement sensor B, the pneumatic osmometer A, the pneumatic osmometer B, and the soil moisture sensor via an A / D converter, and the control panel stores the received information and displays the data information via a display screen (105).

7. The slope stability monitoring device according to claim 1, characterized in that: A limiting through hole (102) is provided on the connecting rod (101), and a ground nail (103) is fitted in the limiting through hole (102).

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