Device for monitoring deep displacement of rock-soil body

Abstract

The utility model provides a device for monitoring the deep displacement of rock-soil mass, and relates to the technical field of rock-soil mass displacement monitoring and measuring tests, the device comprises an insertion rod structure and an early warning structure, one end of the insertion rod structure is used for being inserted into a drill hole of the rock-soil mass, and the insertion rod structure comprises a plurality of groups of metal resistor conductive assemblies; the plurality of groups of metal resistor conductive assemblies are arranged in the insertion rod structure along the extension direction of the insertion rod structure, and are electrically connected with the early warning structure; the corresponding metal resistor conductive assembly is used for monitoring the deformation position of the inserted rod structure after extrusion and transmitting an electric signal to the early warning structure. According to the utility model, the technical problem of inaccurate evaluation of deformation and stability of the geotechnical structure caused by insufficient monitoring and measurement of displacement of rock-soil bodies of different geotechnical structures in the prior art is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of rock-soil mass displacement monitoring quantity test, especially to a device for monitoring deep displacement of rock-soil mass. BACKGROUND

[0002] In traditional geotechnical engineering, the deformation of different soil structures is mainly measured by surface or near-surface methods.

[0003] The traditional method is disturbed by surface deformation, construction environment and other factors, and the measurement results have a certain degree of error. As an important indicator of soil structure stability, deformation needs to be monitored for deep displacement of rock-soil mass in order to accurately determine the position and development process of the rock-soil mass failure surface inside the structure.

[0004] However, with the continuous development of urbanization, the restriction of complex engineering environment on soil structure deformation is further improved, and the traditional displacement measurement method cannot meet the needs of today's engineering practice. In view of the engineering effects generated during the construction of soil structures, and the influence of extreme weather conditions in recent years, it is necessary to monitor the construction influence range and natural disaster risk sources of different soil structures, and further to solve the problems of soil structure deformation and stability. CONTENT OF THE UTILITY MODEL

[0005] The utility model aims to provide a device for monitoring deep displacement of rock-soil mass to alleviate the technical problem of inaccurate evaluation of soil structure deformation and stability caused by insufficient monitoring and measurement of rock-soil mass displacement of different soil structures in the prior art.

[0006] To achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

[0007] In the first aspect, the utility model provides a device for monitoring deep displacement of rock-soil mass, which comprises a plug rod structure and an early warning structure. One end of the plug rod structure is used for inserting into a drill hole of rock-soil mass, and the plug rod structure comprises a plurality of metal resistance conductive components. The plurality of metal resistance conductive components are arranged in the plug rod structure along the extension direction of the plug rod structure, and the plurality of metal resistance conductive components are electrically connected with the early warning structure.

[0008] The metal resistance conductive component is used for monitoring the deformation position of the plug rod structure after being extruded, and transmitting the electrical signal to the early warning structure.

[0009] Further, the insertion rod structure comprises an insulating rod body, the insulating rod body is used for being inserted into the drill hole, and a plurality of groups of the metal resistance conductive components are arranged in the insulating rod body and spaced apart along the extension direction of the insulating rod body, and one end of each of the plurality of groups of the metal resistance conductive components is arranged in the insulating rod body, and the other end penetrates through the insulating rod body and is electrically connected with the early warning structure.

[0010] Further, the metal resistance conductive component comprises a metal resistance sheet and an insulating wire, the metal resistance sheet is in a U-shaped structure, and both ends of the metal resistance sheet are connected with the corresponding insulating wires.

[0011] The end of the insulating wire, which is away from the metal resistance sheet, penetrates through the insulating rod body and is connected with the early warning structure.

[0012] Further, a plurality of groups of the U-shaped metal resistance sheets are distributed along the extension direction of the insulating rod body and are spaced apart along the circumferential direction of the insulating rod body in a clockwise manner.

[0013] Further, the insertion rod structure further comprises an expansion anchor head, the expansion anchor head is connected with the end of the insulating rod body, which is away from the early warning structure, and the expansion anchor head is used for abutting against the inner cavity wall of the drill hole, so that the insertion rod structure is fixed relative to the drill hole.

[0014] Further, the insertion rod structure further comprises a fastening screw, the fastening screw is connected with the end of the insulating rod body, which is away from the expansion anchor head.

[0015] The fastening screw is provided with a hole along the extension direction of the fastening screw, and the insulating wire penetrates through the hole and is connected with the early warning structure.

[0016] Further, the device for monitoring deep displacement of rock-soil mass further comprises a fastening support plate, the fastening support plate is provided with a threaded hole, the fastening support plate is connected with the fastening screw through the threaded hole, and the fastening support plate is used for abutting against the rock-soil mass.

[0017] Further, the early warning structure comprises a resistance sheet power supply and an electromagnetic relay, the resistance sheet power supply is connected with the metal resistance sheet through a wire, and the resistance sheet power supply, the metal resistance sheet and the low-voltage component of the electromagnetic relay are electrically connected.

[0018] Further, the early warning structure further comprises an early warning indicator lamp and an early warning lamp power supply, the early warning indicator lamp and the early warning lamp power supply are electrically connected with the high-voltage component of the electromagnetic relay.

[0019] Further, the device for monitoring deep displacement of rock-soil mass further comprises a filler, the filler is used for filling between the insertion rod structure and the hole wall of the drill hole.

[0020] The device for monitoring deep displacement of rock-soil mass has the following beneficial effects:

[0021] In a first aspect, the device for monitoring deep displacement of rock-soil mass comprises a plug rod structure and a warning structure, one end of the plug rod structure is used for being inserted into a drill hole of the rock-soil mass, the plug rod structure comprises a plurality of metal resistance conductive assemblies, the plurality of metal resistance conductive assemblies are arranged in the plug rod structure along the extension direction of the plug rod structure, and the plurality of metal resistance conductive assemblies are electrically connected with the warning structure; and the corresponding metal resistance conductive assembly is used for monitoring the deformation position of the plug rod structure after being extruded and transmitting an electric signal to the warning structure.

[0022] In the device for monitoring deep displacement of rock-soil mass, the plurality of metal resistance conductive assemblies are arranged in the plug rod structure and are spaced apart along the plug rod structure, and the plurality of metal resistance conductive assemblies are electrically connected with the warning structure; in use, the plug rod structure is first placed in the drill hole of the rock-soil mass and is fixed, and when the rock-soil mass is displaced, the plug rod structure is extruded, and then the plurality of metal resistance conductive assemblies receive the deformation conditions of different positions of different plug rod structures and transmit signals to the warning structure.

[0023] Compared with the prior art, the device for monitoring deep displacement of rock-soil mass is used by inserting the plug rod structure into the drill hole of the rock-soil mass, and after the plug rod structure is extruded due to displacement of the rock-soil mass, the plurality of metal resistance conductive assemblies receive the deformation conditions of different positions of different plug rod structures and transmit signals to the warning structure, so that the situation that the displacement monitoring and measurement of the rock-soil mass is insufficient is ensured.

[0024] In summary, the device for monitoring deep displacement of rock-soil mass at least alleviates the technical problem that the displacement monitoring and measurement of different geotechnical structures of the rock-soil mass is insufficient, and the deformation and stability evaluation of the geotechnical structure is inaccurate. BRIEF DESCRIPTION OF DRAWINGS

[0025] In order to more clearly illustrate the specific embodiments of the utility model or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiments or the prior art description, and obviously, the drawings in the following description are some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0026] Figure 1 The side view structure schematic diagram of the device for monitoring deep displacement of rock-soil mass provided by the utility model embodiment is shown in the figure.

[0027] Figure 2 The structure schematic diagram of the plug rod part of the device for monitoring deep displacement of rock-soil mass provided by the utility model embodiment is shown in the figure.

[0028] Figure 3 An internal structure schematic view of the inserted rod part of the device for monitoring deep displacement of rock-soil mass provided by the embodiment of the present application;

[0029] Figure 4 An enlarged schematic view of the A part structure in Figure 3

[0030] Figure 5 A sectional structure schematic view of the inserted rod part of the device for monitoring deep displacement of rock-soil mass provided by the embodiment of the present application;

[0031] Figure 6 A structure schematic view of the early warning part of the device for monitoring deep displacement of rock-soil mass provided by the embodiment of the present application.

[0032] Icon: 1-inserted rod structure; 11-insulating rod body; 111-metallic resistance conductive component; 1111-metallic resistance sheet; 1112-insulating wire; 12-expansion anchor head; 13-fastening screw; 131-hole; 2-fastening supporting plate; 3-early warning structure; 4-filler; 5-rock-soil mass. DETAILED DESCRIPTION

[0033] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations.

[0034] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0035] It should be noted that: similar reference numerals and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.

[0036] ​In the description of the utility model, it needs to be explained that the terms "upper", "lower", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the utility model product is usually placed during use, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second", "third" and the like are only used for differentiation in description and cannot be understood as indicating or implying relative importance.

[0037] In addition, the terms "horizontal", "vertical" and the like do not mean that the components must be absolutely horizontal or vertical, but can be slightly inclined. For example, "horizontal" only means that it is more horizontal relative to "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0038] In the description of the utility model, it also needs to be explained that, unless otherwise explicitly specified and limited, the terms "arrangement", "installation", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be connected internally between two elements. For ordinary skilled persons in the art, the specific meanings of the above terms in the utility model can be understood according to the specific circumstances.

[0039] Some embodiments of the utility model will be described in detail below with reference to the drawings. In the case of no conflict, the following examples and features in the examples can be combined with each other.

[0040] Example one

[0041] The embodiment provides a device for monitoring deep displacement of rock-soil mass, referring to Figure 1 The device for monitoring deep displacement of rock-soil mass comprises a plug rod structure 1 and a warning structure 3, one end of the plug rod structure 1 is used for being inserted into a drill hole of the rock-soil mass 5, and the plug rod structure 1 comprises a plurality of groups of metal resistance conductive assemblies 111, the plurality of groups of metal resistance conductive assemblies 111 are arranged in the plug rod structure 1 along the extension direction of the plug rod structure 1, and the plurality of groups of metal resistance conductive assemblies 111 are all electrically connected with the warning structure 3; the corresponding metal resistance conductive assembly 111 is used for monitoring the deformation position of the plug rod structure 1 after being extruded, and transmitting an electric signal to the warning structure 3.

[0042] The embodiment of the utility model at least alleviates the technical problem that the displacement monitoring and measurement of the rock-soil mass 5 of different geotechnical structures are insufficient in the prior art, and the deformation and stability evaluation of the geotechnical structure is inaccurate.

[0043] In the embodiment of the utility model, a plurality of metal resistance conductive components 111 are arranged in the plug rod structure 1, and the plurality of metal resistance conductive components 111 are distributed at intervals along the plug rod structure 1, and the plurality of metal resistance conductive components 111 are electrically connected with the early warning structure 3; in use, first, the plug rod structure 1 is placed in the drill hole of the rock-soil body 5 and fixed, and when the rock-soil body 5 is displaced, the plug rod structure 1 is extruded, and then the plurality of metal resistance conductive components 111 receive the deformation conditions of different positions of different plug rod structures 1 and transmit signals to the early warning structure 3.

[0044] Compared with the prior art, the device for monitoring the deep displacement of the rock-soil body provided in the embodiment of the utility model can ensure that the displacement monitoring and measurement of the rock-soil body 5 are sufficient.

[0045] In the optional implementation of the embodiment, referring to Figure 2 and Figure 3 , the plug rod structure 1 comprises an insulating rod body 11, the insulating rod body 11 is used for being inserted into the drill hole, a plurality of metal resistance conductive components 111 are arranged at intervals in the insulating rod body 11 along the extension direction of the insulating rod body 11, and one end of each of the plurality of metal resistance conductive components 111 is arranged in the insulating rod body 11, and the other end of each of the plurality of metal resistance conductive components 111 penetrates through the insulating rod body 11 and is electrically connected with the early warning structure 3.

[0046] Specifically, the plurality of metal resistance conductive components 111 are arranged in the insulating rod body 11, and the insulating rod body 11 is preferably made of elastic plastic material, that is, the insulating rod body 11 is combined by organic compounds and inorganic ionic compounds, so that the insulating rod body 11 has the deformation, flexibility and elasticity of polymers, so that the insulating rod body 11 has strong deformation coordination ability; and the metal resistance conductive components 111 are electrically connected with the early warning structure 3 after penetrating through the insulating rod body 11.

[0047] Further, referring to Figure 3 and Figure 4 , the metal resistance conductive component 111 comprises a metal resistance sheet 1111 and an insulating wire 1112, the metal resistance sheet 1111 is in a U-shaped structure, and both ends of the metal resistance sheet 1111 are connected with the corresponding insulating wire 1112; one end of the insulating wire 1112, which is away from the metal resistance sheet 1111, penetrates out of the insulating rod body 11 and is connected with the early warning structure 3.

[0048] Specifically, the metal resistance sheet 1111 is in a U-shaped structure, and the metal resistance sheet 1111 is arranged in the insulating rod body 11. The U-shaped metal resistance sheet 1111 is distributed along the extension direction of the insulating rod body 11, and both ends thereof are arranged to pass through one end of the insulating rod body 11 and connected with the early warning structure 3.

[0049] Further, referring to Figure 4 and Figure 5 , a plurality of U-shaped metal resistance sheets 1111 are distributed along the extension direction of the insulating rod body 11, and the plurality of metal resistance sheets 1111 are distributed along the circumferential direction of the insulating rod body 11 in a clockwise manner.

[0050] Specifically, a plurality of metal resistance sheets 1111 are arranged, and the plurality of metal resistance sheets 1111 are distributed along the circumferential direction of the insulating rod body 11 in a clockwise or counterclockwise manner. Adjacent metal resistance sheets 1111 are sequentially shortened and reduced in width.

[0051] In an optional embodiment of the present embodiment, referring to Figure 1 and Figure 2 , the plug rod structure 1 further comprises an expansion anchor head 12, the expansion anchor head 12 is connected with one end of the insulating rod body 11 away from the early warning structure 3, and the expansion anchor head 12 is used to abut against the inner cavity wall of the drill hole, so as to fix the plug rod structure 1 relative to the drill hole.

[0052] Specifically, the expansion anchor head 12 is connected with one end of the insulating rod body 11 away from the early warning structure 3, and the expansion anchor head 12 is preferably made of a pressure self-expanding material, which is in contact with the surrounding rock and soil body under the action of rock pressure (or soil pressure), so as to fix the insulating rod body 11 relative to the rock and soil body 5.

[0053] Further, referring to Figure 2 and Figure 6 , the plug rod structure 1 further comprises a fastening screw 13, the fastening screw 13 is connected with one end of the insulating rod body 11 away from the expansion anchor head 12; the fastening screw 13 is provided with a hole 131 along the extension direction thereof, and the insulating wire 1112 passes through the hole 131 and is connected with the early warning structure 3.

[0054] Specifically, the insulating rod body 11 is provided with the fastening screw 13 at one end thereof away from the expansion anchor head 12, and the fastening screw 13 is preferably integrally formed with the insulating rod body 11. The hole 131 is formed in the fastening screw 13 along the extension direction thereof, and the hole 131 is used to pass the insulating wire 1112 and connect with the external early warning structure 3.

[0055] Further, referring to Figure 1 and Figure 6 , the device for monitoring the deep displacement of the rock and soil body further comprises a fastening support plate 2, the fastening support plate 2 is provided with a threaded hole, the fastening support plate 2 is connected with the fastening screw 13 through the threaded hole, and the fastening support plate 2 is used to abut against the rock and soil body 5.

[0056] Specifically, the fastening support plate 2 is provided with a threaded hole, the fastening support plate 2 is connected with the external thread of the fastening screw 13 through the threaded hole, and after the fastening support plate 2 is screwed, the fastening support plate 2 abuts against the rock-soil body 5.

[0057] In the optional implementation of the embodiment, referring to Figure 6 , the early warning structure 3 comprises a resistance sheet power supply and an electromagnetic relay, the resistance sheet power supply is connected with the metal resistance sheet 1111 through a wire, and the resistance sheet power supply, the metal resistance sheet 1111 and a low-voltage component of the electromagnetic relay are electrically connected.

[0058] Specifically, the resistance sheet power supply is connected with the metal resistance sheet 1111 through a wire, and the resistance sheet power supply, the metal resistance sheet 1111 and a low-voltage component of the electromagnetic relay are electrically connected, so as to realize that the metal resistance sheet 1111, the resistance sheet power supply and the low-voltage component of the electromagnetic relay form a low-voltage control loop.

[0059] It should be particularly pointed out that in the low-voltage control loop, the resistance of the metal resistance sheet 1111 at the x i position is R 2i-1 , R 2i (i is the group serial number of the metal resistance sheet), the lengths of the two branches are L 2i-1 , L 2i , and the length change values are ΔL 2i-1 , ΔL 2i ; the voltage of the resistance sheet power supply is U0; the voltage of the metal resistance sheet at the x i position in the wire of the early warning component is:

[0060]

[0061] (wherein, α i is the weight coefficient of the metal resistance sheet at the x i position, and K is a calibration coefficient of the early warning component).

[0062] Further, referring to Figure 6 , the early warning structure 3 further comprises an early warning indicator lamp and an early warning lamp power supply, and the early warning indicator lamp and the early warning lamp power supply are electrically connected with a high-voltage component of the electromagnetic relay.

[0063] Specifically, the early warning indicator lamp and the early warning lamp power supply are electrically connected with the high-voltage component of the electromagnetic relay to form a high-voltage working loop; and the early warning structure 3 is preferably installed on the fastening support plate 2.

[0064] In the implementation not mentioned, referring to Figure 1 , the device for monitoring the deep displacement of the rock-soil body further comprises a filler 4, and the filler 4 is used to fill between the plug rod structure 1 and the hole wall of the drill hole.

[0065] Specifically, the filler 4 is used to fill between the insertion rod structure 1 and the hole wall of the drilled hole; and preferably, the filler 4 is cement mortar or resin or other cementing material.

[0066] Finally, it should be noted that: each embodiment in the specification is described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between each embodiment can be referred to each other. The above embodiments in the specification are only used to illustrate the technical solutions of the utility model, but not to limit them. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can still be modified, or some or all of the technical features can be replaced equivalently. The modification or replacement does not make the essence of the corresponding technical solution deviate from the scope of the technical solutions of the embodiments of the utility model.

Claims

1. A device for monitoring deep displacement of rock and soil masses, characterized in that, It includes a rod structure (1) and an early warning structure (3). One end of the rod structure (1) is used to be inserted into a borehole in the rock and soil mass (5). The rod structure (1) includes multiple sets of metal resistive conductive components (111). The multiple sets of metal resistive conductive components (111) are arranged inside the rod structure (1) along the extension direction of the rod structure (1), and the multiple sets of metal resistive conductive components (111) are electrically connected to the early warning structure (3). The corresponding metal resistive conductive component (111) is used to monitor the deformation position of the plug structure (1) after being squeezed, and transmits the electrical signal to the warning structure (3).

2. The device for monitoring deep displacement of rock and soil mass according to claim 1, characterized in that, The insertion rod structure (1) includes an insulating rod body (11), which is used to be inserted into the drill hole. Multiple sets of the metal resistive conductive components (111) are spaced apart in the insulating rod body (11) along its extension direction. One end of each set of the metal resistive conductive components (111) is located in the insulating rod body (11), and the other end passes through the insulating rod body (11) and is electrically connected to the warning structure (3).

3. The device for monitoring deep displacement of rock and soil mass according to claim 2, characterized in that, The metal resistor conductive component (111) includes a metal resistor sheet (1111) and an insulating wire (1112). The metal resistor sheet (1111) has a U-shaped structure, and both ends of the metal resistor sheet (1111) are connected to the corresponding insulating wire (1112). The end of the insulated wire (1112) away from the metal resistor (1111) passes through the insulated rod (11) and is connected to the warning structure (3).

4. The device for monitoring deep displacement of rock and soil mass according to claim 3, characterized in that, Multiple sets of U-shaped metal resistors (1111) are spaced apart along the extension direction of the insulating rod (11), and the multiple sets of metal resistors (1111) are spaced apart clockwise along the circumference of the insulating rod (11).

5. The device for monitoring deep displacement of rock and soil mass according to claim 3, characterized in that, The insertion rod structure (1) further includes an expansion anchor head (12), which is connected to the end of the insulating rod body (11) away from the warning structure (3), and the expansion anchor head (12) is used to abut against the inner wall of the borehole so that the insertion rod structure (1) is fixed relative to the borehole.

6. The device for monitoring deep displacement of rock and soil mass according to claim 5, characterized in that, The insertion rod structure (1) further includes a fastening screw (13), which is connected to the end of the insulating rod body (11) away from the expansion anchor head (12); The fastening screw (13) has a channel (131) along its extension direction, and the insulated wire (1112) passes through the channel (131) and is connected to the warning structure (3).

7. The device for monitoring deep displacement of rock and soil mass according to claim 6, characterized in that, It also includes a fastening plate (2), which has a threaded hole. The fastening plate (2) is connected to the fastening screw (13) through the threaded hole, and the fastening plate (2) is used to abut against the rock and soil mass (5).

8. The device for monitoring deep displacement of rock and soil mass according to claim 3, characterized in that, The warning structure (3) includes a resistor power supply and an electromagnetic relay. The resistor power supply is connected to the metal resistor (1111) via a wire, and the low-voltage components of the resistor power supply, the metal resistor (1111), and the electromagnetic relay are electrically connected.

9. The device for monitoring deep displacement of rock and soil mass according to claim 8, characterized in that, The warning structure (3) also includes a warning indicator light and a warning light power supply, wherein the warning indicator light and the warning light power supply are electrically connected to the high-voltage component of the electromagnetic relay.

10. The device for monitoring deep displacement of rock and soil mass according to claim 1, characterized in that, It also includes a filler (4) for filling the space between the insert structure (1) and the borehole wall.

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