Slope multi-point disaster early warning system

Abstract

A slope multi-point disaster early warning system comprises a host and a plurality of slope detection devices in communication connection with the host, each slope detection device comprises a plurality of linearly-arranged optical fiber clinometers, a connecting rod is connected between every two adjacent optical fiber clinometers, and the ends, away from the connecting rods, of the optical fiber clinometers at the two ends are provided with a fixing base and a plug respectively; the connecting rod comprises an outer cylinder and an inner cylinder, one end of the outer cylinder and one end of the inner cylinder are connected in a sliding and sleeved mode, the other end of the outer cylinder and the other end of the inner cylinder are connected with the optical fiber clinometers, and a driving device capable of driving the inner cylinder to move telescopically is further arranged in the outer cylinder. The slope detection device can also adjust the distance between two adjacent optical fiber clinometers as required, so that the detection effect of the stability of the open pit coal mine slope is remarkably improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to open -pit coal mine safety monitoring equipment technical field, concretely is a kind of side slope multi-point disaster early warning system. BACKGROUND

[0002] Open -pit coal mine refers to the coal layer deposited on the surface or shallow layer due to geographical changes, can be directly open -pit mined, to ensure the safety of mining process, usually will set up side slope detector to detect the stability of side slope.

[0003] For example, the application file with the application number 202321095664.1 disclosed in the patent library a kind of open -pit coal mine side slope monitor, and the application file with the application number 202322501995.7 disclosed in the patent library a kind of open -pit coal mine side slope stability monitoring device, both are used to monitor the stability of side slope of open -pit coal mine, but like the existing side slope monitor, whether it is through radar monitoring, or GNSS or video monitoring, these monitoring means can only monitor the surface deformation of side slope, that is, according to the displacement (deformation) information of side slope surface, to feedback the stability of side slope, the monitoring mode of this kind, there is big monitoring deviation, once side slope instability phenomenon begins to produce from inside, will not be able to make early warning in time, serious time can even cause serious production accident. UTILITY MODEL CONTENT

[0004] To solve the technical problems in the above background art, the utility model provides a kind of side slope multi-point disaster early warning system.

[0005] The utility model technical scheme is as follows:

[0006] A kind of side slope multi-point disaster early warning system, including host computer and the communication connection of several side slope detection devices, through several side slope detection devices, the control of multiple points can be realized, through host computer, the feedback information of several side slope detection devices can be received in real time, finally realize the safety detection work of side slope and disaster early warning work.

[0007] As the core technical concept of the utility model, the slope detection device comprises a plurality of linearly arranged optical fiber inclinometers, and connecting rods are connected between adjacent two optical fiber inclinometers, and one end of the optical fiber inclinometer away from the connecting rod is respectively provided with a fixing seat and a plug; the connecting rod comprises an outer cylinder and an inner cylinder connected with the optical fiber inclinometer at one end and slidingly sleeved at the other end, wherein the inner part of the outer cylinder is further provided with a driving device capable of driving the inner cylinder to extend and retract, when the slope detection device is laid, vertical holes can be punched in advance at the laying points, and the slope detection device is inserted into the punched holes with the plug downward, and finally the fixing seat can be fixed with the surface layer of the slope, on the basis of the above, on the one hand, the full-range monitoring of the inner layer of the slope is realized through the plurality of optical fiber inclinometers arranged in series, the accuracy of the detection result is improved, on the other hand, the spacing between the adjacent two optical fiber inclinometers can be adjusted as required to improve the applicability and ensure the use effect in different environments, and since the fixing seat is fixed with the surface of the slope, the position of the optical fiber inclinometer can be dynamically adjusted through the driving device to obtain the dynamic displacement variation of the upper / lower soil layer (rock layer) at the position of the optical fiber inclinometer, and finally the instability depth of the inner layer of the slope is determined, and the detection effect of the open-pit coal mine slope stability is further improved.

[0008] The slope multi-point disaster early warning system as described above, in terms of the structure of the driving device, comprises a connecting disc, a motor fixedly connected to one side of the connecting disc, a threaded rod in transmission connection with the motor on the other side of the connecting disc, the connecting disc being threadedly fixed in the inner part of one end of the outer cylinder away from the inner cylinder, the threaded rod being coaxial with the outer cylinder, a rotation-stopping structure being arranged between the inner cylinder and the outer cylinder and capable of preventing the relative rotation of the inner cylinder and the outer cylinder, and the end of the inner cylinder in the outer cylinder being in screw connection with the threaded rod, on the basis of the above structure, the motor can drive the threaded rod to rotate, thereby driving the inner cylinder to extend and retract, and the threaded connection of the connecting disc and the outer cylinder makes the disassembly and maintenance of the driving device more convenient.

[0009] As a preferred embodiment, the connecting disc away from the fixed motor is further provided with a displacement sensor capable of detecting the extension and retraction amount of the inner cylinder, so that when the slope detection device is used, the position of the uppermost end optical fiber inclinometer can be taken as the origin, and the spacing between the adjacent two optical fiber inclinometers or the position of the single optical fiber inclinometer can be more easily controlled, thereby further ensuring the accuracy of the detection result.

[0010] As a further preferred, the connecting disc is provided with a fiber passing hole, so that the optical fiber connected with the plurality of optical fiber inclinometers can be arranged in the connecting rod and pass through the fiber passing hole, thereby protecting the optical fiber from being damaged.

[0011] Preferably, a ring-shaped retaining platform is further arranged on the inner wall of the outer cylinder, the outer ring of the connecting disc is attached to the retaining platform, and a pressing ring is further spirally arranged in the inner part of the end of the outer cylinder away from the inner cylinder and attached to the connecting disc, so that the motor rotation does not drive the connecting disc to rotate, and the connection between the connecting disc and the outer cylinder is more stable.

[0012] The slope multi-point disaster early warning system has the advantages that in order to ensure the service life of the connecting rod and prevent rust in a high-humidity environment, the outer cylinder and the inner cylinder are made of stainless steel.

[0013] In order to facilitate the disassembly and assembly of the connecting rod and the fiber inclinometer and to facilitate the selection of the number of fiber inclinometers connected in series, the outer cylinder and the inner cylinder are spirally connected with the fiber inclinometer.

[0014] In order to protect the driving device and the internal fiber of the connecting rod from the influence of a humid environment, sealing rubber pads are arranged at the positions where the outer cylinder and the inner cylinder are spirally connected with the fiber inclinometer, so as to ensure the sealing of the connecting rod.

[0015] The slope multi-point disaster early warning system has the advantages that in order to ensure the service life of the connecting rod and prevent rust in a high-humidity environment, the outer cylinder and the inner cylinder are made of stainless steel. BRIEF DESCRIPTION OF DRAWINGS

[0016] The scheme and advantages of the present application will become clear to those skilled in the art from the following detailed description of the preferred embodiments. The accompanying drawings are only for the purpose of illustrating the preferred embodiments and are not considered to be a limitation of the present application.

[0017] In the drawings:

[0018] Figure 1 The structure schematic view of the slope detection device in the embodiment;

[0019] Figure 2 The structure schematic view of the connecting rod in the embodiment;

[0020] The structure schematic view of the connecting rod in the embodiment;Figure 3 Structure diagram of driving device in the embodiment;

[0021] Figure 4 Structure diagram of internal structure of connecting rod in the embodiment;

[0022] Figure 5 Structure diagram of pressure ring in the embodiment;

[0023] The components represented by the reference numerals in the drawings are:

[0024] 1, fiber inclinometer; 2, connecting rod; 21, outer cylinder; 22, inner cylinder; 23, driving device; 231, connecting disc; 232, motor; 233, threaded rod; 24, pressure ring; 3, fixing seat; 4, plug. DETAILED DESCRIPTION

[0025] Exemplary embodiments of the present disclosure will be described in greater detail below with reference to the accompanying drawings.

[0026] Embodiment

[0027] The embodiment provides a slope multi-point disaster early warning system, referring to Figure 1 , comprising a host computer and a plurality of slope detection devices in communication with the host computer. The plurality of slope detection devices can be used to control and monitor the multi-point of the open-pit coal mine slope. The host computer can receive feedback information from the plurality of slope detection devices in real time, thereby realizing the safety detection and disaster early warning of the slope. The structure of the slope detection device will be described in detail below.

[0028] In the embodiment, the slope detection device comprises a plurality of linearly arranged fiber inclinometers 1. The fiber inclinometer 1 is a universal inclination detector disclosed in the application file with the application number CN202321563911.6 previously applied by the applicant. The structure of the fiber inclinometer 1 will not be described again. A connecting rod 2 is connected between two adjacent fiber inclinometers 1. The fiber inclinometers 1 at both ends are respectively provided with a fixing seat 3 and a plug 4. When the slope detection device is arranged, a vertical hole can be pre-punched at the arrangement point, and the plug 4 is inserted into the hole with the downward direction. Finally, the fixing seat 3 can be fixed to the surface layer of the slope. Through the plurality of fiber inclinometers 1 arranged in series, the surface layer and the inner layer of the slope are monitored in all directions, and the accuracy of the detection result is improved.

[0029] As to the structure of the fixing seat 3, it is a disc-shaped structure, and a plurality of fixing holes capable of being fixed to the surface layer of the slope are arranged in the circumferential direction. The fiber inclinometer 1 is connected to the middle part of one side of the fixing seat 3. The plug 4 is a conical structure.

[0030] As the core technical concept of the utility model, combined withFigure 2 In terms of the structure of the connecting rod 2, the connecting rod 2 comprises an outer cylinder 21 and an inner cylinder 22 which are connected in a sliding sleeve manner, and one end of the connecting rod 2 is connected with the fiber inclinometer 1, and the inner part of the outer cylinder 21 is further provided with a driving device 23 which can drive the inner cylinder 22 to move in an extending and retracting manner. On the basis of the above, the slope detection device can adjust the interval between the two adjacent fiber inclinometers 1 according to the requirement, so as to improve the applicability and ensure the use effect in different environments. In addition, since the fixing base 3 is fixed to the slope surface, the position of the fiber inclinometer 1 can be dynamically adjusted by the driving device 23, so as to obtain the dynamic displacement change of the upper / lower soil layer (rock layer) at the position of the fiber inclinometer 1, and finally determine the instability depth of the inner layer of the slope, and further improve the detection effect of the slope stability of the open-pit coal mine.

[0031] In the embodiment, the connecting rod 2 is connected with the fiber inclinometer 1 in a sliding sleeve manner. Figure 3 In addition, the connecting rod 2 is connected with the fiber inclinometer 1 in a sliding sleeve manner. Figure 4 In terms of the structure of the driving device 23, the driving device 23 comprises a connecting disc 231 and a motor 232 which is fixedly connected to one side of the connecting disc 231, the other side of the connecting disc 231 is provided with a threaded rod 233 which is in transmission connection with the motor 232, the connecting disc 231 is threadedly fixed to the inner part of one end of the outer cylinder 21 which is away from the inner cylinder 22, the threaded rod 233 is coaxial with the outer cylinder 21, the inner cylinder 22 and the outer cylinder 21 are provided with a rotation-stopping structure which can prevent the relative rotation between the inner cylinder 22 and the outer cylinder 21, the main brick structure can be a figure-jumping groove structure which is arranged on the inner cylinder 22 and the outer cylinder 21 and can be slidably matched with each other, and the inner end of the inner cylinder 22 which is located in the outer cylinder 21 is in screw connection with the threaded rod 233. On the basis of the above structure, the motor 232 can drive the threaded rod 233 to rotate, and then drive the inner cylinder 22 to move in an extending and retracting manner. Meanwhile, the threaded connection between the connecting disc 231 and the outer cylinder 21 makes the disassembly and maintenance of the driving device 23 more convenient.

[0032] As a preferred embodiment, the connecting rod 2 is connected with the fiber inclinometer 1 in a sliding sleeve manner. Figure 5 In addition, the connecting rod 2 is connected with the fiber inclinometer 1 in a sliding sleeve manner.

[0033] In the embodiment, the connecting disc 231 is provided with a displacement sensor capable of detecting the extension and retraction amount of the inner cylinder 22 at the side away from the fixed motor 232, so that the position of the uppermost fiber inclinometer 1 can be used as the origin when the slope detection device is in use, the distance between the adjacent two fiber inclinometers 1 or the position of the single fiber inclinometer 1 can be more easily controlled, and the accuracy of the detection result is further ensured.

[0034] As a preferred embodiment, the connecting disc 231 is provided with a fiber passing hole, so that the fibers connected with the plurality of fiber inclinometers 1 can be arranged in the connecting rod 2 through the fiber passing hole to protect the fibers from being damaged.

[0035] As a further preferred embodiment, in order to ensure the service life of the connecting rod 2 and prevent it from rusting in a high humidity environment, the outer cylinder 21 and the inner cylinder 22 are made of stainless steel.

[0036] In the embodiment, in order to facilitate the disassembly and assembly between the connecting rod 2 and the fiber inclinometer 1, and between the plug 4, the fixed seat 3 and the fiber inclinometer 1, and to facilitate the selection of the number of fiber inclinometers 1 connected according to the needs, the fixed seat 3, the plug 4, the outer cylinder 21 and the inner cylinder 22 are all screw-connected with the fiber inclinometer 1.

[0037] In order to further protect the driving device 23 and the internal fibers of the connecting rod 2 from the influence of the humid environment, the outer cylinder 21 and the inner cylinder 22 are provided with sealing rubber pads at the positions screw-connected with the fiber inclinometer 1, so as to ensure the sealing of the inside of the connecting rod 2.

Claims

1. A slope multi-point disaster early warning system, comprising a host computer and a plurality of slope detection devices in communication with the host computer, the slope detection device comprising a plurality of linearly arranged fiber inclinometers (1), and a connecting rod (2) connected between two adjacent fiber inclinometers (1), characterized in that: the two ends of the fiber inclinometers (1) away from the connecting rod (2) are respectively provided with a fixing seat (3) and a plug (4); the connecting rod (2) comprises an outer cylinder (21) and an inner cylinder (22) connected with the fiber inclinometer (1), wherein the inner cylinder (22) is capable of driving the outer cylinder (21) to move telescopically; the driving device (23) comprises a connecting disc (231) and a motor (232) fixedly connected to one side of the connecting disc (231), and the other side of the connecting disc (231) is provided with a threaded rod (233) in transmission connection with the motor (232); the connecting disc (231) is threadedly fixed to the inner end of the outer cylinder (21) away from the inner cylinder (22), the inner cylinder (22) and the outer cylinder (21) are provided with a rotation stopping structure capable of preventing the relative rotation of the inner cylinder (22) and the outer cylinder (21), and the inner end of the inner cylinder (22) located in the outer cylinder (21) is screw-connected with the threaded rod (233); the side of the connecting disc (231) away from the motor (232) is further provided with a displacement sensor capable of detecting the telescopic amount of the inner cylinder (22); the connecting disc (231) is provided with a fiber penetrating hole; the outer wall of the outer cylinder (21) is further provided with an annular retaining table, and the outer ring of the connecting disc (231) is attached to the retaining table; the inner end of the outer cylinder (21) away from the inner cylinder (22) is further provided with a compression ring (24) attached to the connecting disc (231); the outer cylinder (21) and the inner cylinder (22) are screw-connected with the fiber inclinometer (1); and the screw-connection position of the outer cylinder (21) and the inner cylinder (22) with the fiber inclinometer (1) is provided with a sealing rubber gasket. ​ ​ 2. The slope multi-point disaster early warning system according to claim 1, characterized in that, ​ ​ 3. The slope multi-point disaster early warning system according to claim 2, characterized in that, ​ 4. The slope multi-point disaster early warning system according to claim 3, characterized in that, ​ 5. The slope multi-point disaster early warning system according to claim 2, characterized in that, ​ ​ 6. The slope multi-point disaster early warning system according to any one of claims 1-5, characterized in that, ​ 7. The slope multi-point disaster early warning system according to claim 6, characterized in that, ​

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