Sensor fixing device and sensing monitoring system with same

Abstract

The utility model discloses a sensor fixing device and a sensing monitoring system with the same. Belongs to the technical field of measurement, the sensor fixing device comprises a protection assembly, a clamping assembly and a supporting assembly, the protection assembly comprises a protection cover plate and a protection sleeve, the protection cover plate and the protection sleeve are detachably connected and jointly define a mounting cavity, and at least one of the protection cover plate and the protection sleeve is connected with the clamping assembly; the clamping assembly is used for clamping and fixing the sensor in the mounting cavity, the supporting assembly comprises a supporting piece and a driving piece, the supporting piece is arranged outside the mounting cavity and connected with the protective sleeve through the driving piece, and the driving piece is used for driving the supporting piece to move in the radial direction of the protective sleeve; according to the sensor fixing device, the sensor is fixed in a clamping mode through the clamping assembly of the sensor fixing device, the sensor can be stably and reliably fixed, accurate signal acquisition of the sensor is facilitated, disassembly and recovery of the sensor can be achieved, secondary use of the sensor is facilitated, and reduction of construction cost is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of measurement, specifically, relate to a kind of sensor fixing device and the sensor monitoring system with it. BACKGROUND

[0002] Sensor plays an important role in real-time monitoring deformation, displacement, stress and strain of engineering structure, and provides important technical support and protection for construction, in order to achieve accurate signal acquisition effect, it must be ensured that sensor can be effectively installed.

[0003] In the related art, the sensor rock stratum internal fixing method mainly relies on artificial at the mouth of the borehole of rock stratum to push sensor to the specified installation position by pipe material, and then fix sensor by grouting, in the grouting process, it needs to rely on manpower to stabilize pipe material, the operation difficulty is extremely great, once shaking deviation occurs, it will lead to error in signal acquisition effect, and sensor cannot be recycled for secondary use, and the cost is higher. UTILITY MODEL CONTENT

[0004] The utility model aims at at least one of the above technical problems in the prior art to some extent. Therefore, the utility model provides a sensor fixing device, which is beneficial to accurate signal acquisition of sensor, and can realize disassembly and recycling of sensor, so as to facilitate secondary use of sensor.

[0005] The utility model further provides a sensor monitoring system with the above-mentioned sensor fixing device.

[0006] According to the sensor fixing device provided by the embodiment of the utility model, the protection assembly includes a protection cover plate and a protection sleeve, the protection cover plate and the protection sleeve are detachably connected and jointly define an installation cavity, at least one of the protection cover plate and the protection sleeve is connected with the clamping assembly, the clamping assembly is used for clamping and fixing the sensor in the installation cavity, the support assembly includes a support and a driving part, the support is arranged outside the installation cavity, the support is connected with the protection sleeve through the driving part, and the driving part is used for driving the support to move in the radial direction of the protection sleeve.

[0007] According to the sensor fixing device provided by the embodiment of the utility model, the sensor is fixed in the borehole of rock stratum by the clamping assembly of the sensor fixing device, the sensor can be stably and reliably fixed, which is beneficial to accurate signal acquisition of sensor, and the sensor can be disassembled and recycled, so as to facilitate secondary use of sensor, and construction cost can be reduced.

[0008] According to some embodiments of the present application, the sensor fixing device further comprises a conveying rod, which is connected with the protective cover plate.

[0009] According to some embodiments of the present application, the conveying rod has a wire hole, which is communicated with the mounting cavity.

[0010] According to some embodiments of the present application, the conveying rod comprises a plurality of conveying sub-rods, which are coaxially connected in a detachable manner.

[0011] According to some embodiments of the present application, the sensor fixing device further comprises a hole sealing plate, which is adapted to be connected with the rock wall in a fixed manner, and the conveying rod is arranged in the hole sealing plate and threadedly connected with the hole sealing plate.

[0012] According to some embodiments of the present application, the sensor fixing device further comprises a handle, which is connected with the conveying rod in a fixed manner on the side of the hole sealing plate away from the protective assembly.

[0013] According to some embodiments of the present application, the clamping assembly comprises an adjusting screw and a clamping piece, the adjusting screw is arranged in the protective sleeve and threadedly connected with the protective sleeve, and the clamping piece is arranged in the mounting cavity and rotatably connected with the adjusting screw.

[0014] According to some embodiments of the present application, the sensor fixing device further comprises a guide head, which is connected with the end of the protective sleeve away from the protective cover plate.

[0015] According to some embodiments of the present application, the sensor fixing device further comprises a buffer pad, which is filled in the mounting cavity.

[0016] According to another aspect of the present application, the sensor monitoring system comprises a sensor fixing device and a sensor, the sensor fixing device is the above-mentioned sensor fixing device, and the sensor is arranged in the mounting cavity.

[0017] According to the sensor monitoring system of the present application, the sensor fixing device is adapted to fix the sensor in the drill hole of the rock stratum in a stable and reliable manner through the clamping of the clamping assembly of the sensor fixing device, which is conducive to the accurate signal collection of the sensor and the disassembly and recycling of the sensor for secondary use, thereby reducing the construction cost.

[0018] Additional aspects and advantages of the present application will be given in part in the following description, will become apparent from the following description, or will be learned from the practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is a perspective view of a sensor fixing device according to an embodiment of the present application;

[0020] Figure 2 is a schematic view of an internal part of a sensor monitoring system according to an embodiment of the present application;

[0021] Figure 3 is a sectional view of a protection assembly, a clamping assembly and a supporting assembly according to an embodiment of the present application;

[0022] Figure 4 is a schematic view of a protection sleeve, a guide head, a supporting plate and a clamping piece according to an embodiment of the present application;

[0023] Figure 5 is a perspective view of a clamping assembly in some embodiments;

[0024] Figure 6 is a perspective view of a clamping assembly in some other embodiments.

[0025] Reference signs:

[0026] Protection assembly 1; protection cover plate 11; communication hole 111; protection sleeve 12; installation groove 121; installation cavity 13;

[0027] Clamping assembly 2; adjusting screw 21; first mark 211; clamping piece 22;

[0028] Supporting assembly 3; supporting piece 31; supporting plate 311; supporting rod 312;

[0029] Conveying rod 4; wire running hole 41;

[0030] Hole sealing plate 5; threaded hole 51; handle 6; second mark 61; guide head 7; buffer pad 8; fastening stud 91; fastening nut 92; fastening screw 93; sensor fixing device 10; sensor 20; sensor monitoring system 100. DETAILED DESCRIPTION

[0031] Embodiments of the present application are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference signs represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary and are intended to explain the present application, and cannot be understood as limiting the present application.

[0032] In the description of the utility model, it is understood that the terms "front", "back", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and thus cannot be understood as indicating or implying that the devices or elements indicated must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be understood as limiting the utility model.

[0033] In addition, the terms "first" and "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features.

[0034] In the utility model, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected or can communicate with each other; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication or interaction relationship between two elements inside two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0035] The sensor fixing device 10 and the sensing monitoring system 100 according to the embodiments of the utility model are described in detail below. Figures 1-6 Detailed description of the sensor fixing device 10 and the sensing monitoring system 100 according to the embodiments of the utility model.

[0036] Referring to Figures 1-3 As shown in the drawings, the sensor fixing device 10 according to the embodiments of the utility model comprises: a protection assembly 1, a clamping assembly 2 and a supporting assembly 3, the protection assembly 1 comprises: a protection cover plate 11 and a protection sleeve 12, the protection cover plate 11 is detachably connected with the protection sleeve 12 and jointly defines an installation cavity 13, at least one of the protection cover plate 11 and the protection sleeve 12 is connected with the clamping assembly 2, the clamping assembly 2 is used for clamping and fixing the sensor 20 in the installation cavity 13, the supporting assembly 3 comprises: a supporting piece 31 and a driving piece, the supporting piece 31 is arranged outside the installation cavity 13, the supporting piece 31 is connected with the protection sleeve 12 through the driving piece, and the driving piece is used for driving the supporting piece 31 to move in the radial direction of the protection sleeve 12.

[0037] It should be noted that the sensor fixing device 10 can fix the sensor 20 in the drill hole of the rock stratum, the sensor 20 is suitable for real-time detection of the deformation, displacement, stress and strain and other parameters of the rock stratum, which provides important technical support and guarantee for construction, and is conducive to ensuring the safety during construction.

[0038] Specifically, when the sensor 20 is installed and fixed, the sensor 20 can be first placed into the protection sleeve 12, and the clamping assembly 2 is used to clamp and fix the sensor 20, and then the protection cover plate 11 is installed to the protection sleeve 12, at this time, the protection assembly 1, the clamping assembly 2, the supporting assembly 3 and the sensor 20 form an integral whole, and then the integral whole is sent into the drill hole on the rock stratum, and then, in the radial direction of the protection sleeve 12, the driving member can drive the supporting member 31 to move away from the protection sleeve 12, so that the supporting member 31 moves towards the inner wall of the drill hole, and the supporting member 31 can abut against the inner wall of the drill hole, so that the installation and fixation of the sensor fixing device 10 can be realized, and the sensor 20 can be reliably fixed in the drill hole, and the sensor 20 can detect the deformation, displacement, stress and strain of the rock stratum in real time in the drill hole.

[0039] After the construction is completed, in the radial direction of the protection sleeve 12, the driving member can drive the supporting member 31 to move towards the protection sleeve 12, so that the supporting member 31 moves away from the inner wall of the drill hole, and the supporting member 31 can be separated from the inner wall of the drill hole, so as to facilitate the integral whole of the protection assembly 1, the clamping assembly 2, the supporting assembly 3 and the sensor 20 to be taken out of the drill hole, and after the integral whole of the protection assembly 1, the clamping assembly 2, the supporting assembly 3 and the sensor 20 is taken out of the drill hole, since the protection cover plate 11 and the protection sleeve 12 are detachably connected, the protection cover plate 11 can be detached from the protection sleeve 12, and the clamping assembly 2 is loosened from the sensor 20, so that the sensor 20 can be detached from the sensor fixing device 10, so that the sensor 20 can be recycled, so as to facilitate the secondary use of the sensor 20, and thus the construction cost can be reduced.

[0040] It can be understood that the protection cover plate 11 and the protection sleeve 12 can prevent impurities such as rocks and soil from entering the installation cavity 13, so as to protect the sensor 20 in the installation cavity 13, and at least one of the protection cover plate 11 and the protection sleeve 12 is connected with the clamping assembly 2, that is, the protection cover plate 11 is connected with the clamping assembly 2, or the protection sleeve 12 is connected with the clamping assembly 2, or the protection cover plate 11 and the protection sleeve 12 are both connected with the clamping assembly 2, and the sensor 20 is fixed in the installation cavity 13 by the clamping of the clamping assembly 2, so that the sensor 20 can be stably and reliably fixed, which is conducive to the accurate collection of signals by the sensor 20, and the sensor 20 can also be detached and recycled, so as to facilitate the secondary use of the sensor 20, and thus the construction cost can be reduced.

[0041] In the embodiment, reference is made to Figure 1As shown, the protective cover plate 11 and the protective sleeve 12 can be detachably connected through fasteners, which can be screws, or fastening studs 91 and fastening nuts 92, the fastening studs 91 are suitable for being threadedly connected with the fastening nuts 92, the fastening nuts 92 can be fixedly connected with the protective cover plate 11, the fastening studs 91 can pass through the fastening nuts 92 and be threadedly connected with the protective sleeve 12, so as to achieve detachable connection of the protective cover plate 11 and the protective sleeve 12 through the fasteners, and the number of the fasteners can be multiple, which is beneficial to improving the connection strength of the protective cover plate 11 and the protective sleeve 12.

[0042] The driving member can be a driving motor, the support member 31 can include a support plate 311 and an extendable support rod 312, the driving motor is connected with the protective sleeve 12, one end of the support rod 312 is connected with the support plate 311, and the other end of the support rod 312 is connected with the driving motor, the driving motor can drive the support rod 312 to extend or retract, so as to drive the support plate 311 to move in the radial direction of the protective sleeve 12, when the sensor fixing device 10 is fixed in the borehole on the rock stratum, the driving motor can drive the support rod 312 to extend, so that the support plate 311 abuts against the inner wall of the borehole, thereby achieving installation and fixation of the sensor fixing device 10.

[0043] In some embodiments, referring to Figure 2 As shown, the peripheral wall of the protective sleeve is provided with a mounting groove 121, the driving member can be fixed in the mounting groove 121, the support rod 312 can be made of elastic material, and the support rod 312 can play a buffering role, so as to absorb the impact force generated when the support plate 311 contacts the inner wall of the borehole, thereby reducing the risk of damage to the support plate 311, and the elastic force of the support rod 312 can make the support plate 311 tightly adhere to the hole wall of the borehole, so as to firmly fix the protective assembly 1 in the borehole, and the support plate 311 can be configured as an arc-shaped plate in a semi-circular ring shape, which is beneficial to increasing the contact area of the support plate 311 and the inner wall of the borehole, thereby stably and reliably supporting the support plate 311 by the inner wall of the borehole.

[0044] In some embodiments, referring to Figures 1-3 As shown, the number of the support assemblies 3 is two, the two support assemblies 3 are oppositely arranged in the radial direction of the protective sleeve 12, and the two support plates 311 in the two support assemblies 3 can form a circular ring with a break in the middle, and the driving members in the two support assemblies 3 can simultaneously drive the two corresponding telescopic rods to extend, so that the two oppositely arranged support plates 311 abut against the inner wall of the borehole, thereby achieving installation and fixation of the sensor fixing device 10.

[0045] In some embodiments not shown in the figures, the number of support assemblies 3 is one, and when the telescopic rod is driven to extend by the driving motor, one side of the protective sleeve 12 indirectly abuts against the inner wall of the borehole through the support assembly 3, and the other side of the protective sleeve 12 directly abuts against the inner wall of the borehole, thereby achieving the fixation of the sensor fixing device 10.

[0046] The sensor fixing device 10 according to the embodiments of the present application is suitable for fixing the sensor 20 in the borehole of the rock stratum, wherein the sensor 20 is fixed in a clamping manner by the clamping assembly 2 of the sensor fixing device 10, and the sensor 20 can be stably and reliably fixed, which is conducive to the accurate signal collection of the sensor 20, and the sensor 20 can also be disassembled and recycled, so as to facilitate the secondary use of the sensor 20 and reduce the construction cost.

[0047] In some embodiments of the present application, as shown in Figure 1 and Figure 2 , the sensor fixing device 10 further comprises a conveying rod 4, the conveying rod 4 is connected with the protective cover plate 11, and the conveying rod 4 is suitable for conveying the protective assembly 1, the clamping assembly 2 and the support assembly 3 as a whole into the borehole of the rock stratum, wherein the conveying rod 4 and the protective cover plate 11 can be connected by welding.

[0048] In some embodiments of the present application, as shown in Figure 2 , the conveying rod 4 has a wire hole 41, the wire hole 41 is in communication with the mounting cavity 13, the wire hole 41 can lead the wire harness of the sensor 20 out of the mounting cavity 13, so as to connect the wire harness of the sensor 20 with the signal collection equipment outside the mounting cavity 13, and the wire hole 41 can lead the wire harness of the driving member out of the mounting cavity 13, so as to connect the wire harness of the driving member with the power supply equipment outside the mounting cavity 13.

[0049] As shown in Figure 1 , the protective cover plate 11 is provided with a communication hole 111, one end of the communication hole 111 is in communication with the mounting cavity 13, and the other end of the communication hole 111 is in communication with the wire hole 41, thereby indirectly connecting the wire hole 41 with the mounting cavity 13.

[0050] In the present embodiment, the conveying rod 4 has two wire holes 41, one of which is used to lead the wire harness of the sensor 20, and the other of which is used to lead the wire harness of the driving member, thereby realizing the separate leading of the wire harness of the sensor 20 and the wire harness of the driving member, which is conducive to reducing the mutual interference of the signals transmitted by the wire harness of the sensor 20 and the wire harness of the driving member.

[0051] In some embodiments of the utility model, the conveying rod 4 comprises: a plurality of conveying sub-rod, a plurality of conveying sub-rod is detachably coaxially connected, the length of conveying rod 4 can be flexibly adjusted by adjusting the number of conveying sub-rod, so as to facilitate the sensor 20 to be pushed to the designated installation position, and the conveying rod 4 can be suitable for different depth drill hole, which is favorable to improve the versatility of conveying rod 4.

[0052] In some other embodiments, the conveying rod 4 can be configured as a telescopic rod, which can quickly adjust the length of the conveying rod 4 through simple extension or shortening operation, which is favorable to the installation efficiency of the sensor fixing device 10.

[0053] In some embodiments of the utility model, referring to Figure 1 and Figure 2 , the sensor fixing device 10 further comprises: a hole sealing plate 5, the hole sealing plate 5 is adapted to be connected with the rock wall fixedly, and the conveying rod 4 is arranged in the hole sealing plate 5 and threadedly matched with the hole sealing plate 5, that is, the conveying rod 4 is indirectly connected with the rock wall fixedly through the hole sealing plate 5, and the rock wall can reliably support the conveying rod 4 through the hole sealing plate 5, thereby being favorable to supporting the overall structure composed of the protection assembly 1, the clamping assembly 2, the supporting assembly 3 and the sensor 20, and being favorable to improving the stability of the sensor 20 in the rock stratum.

[0054] Referring to Figure 1 , a threaded hole 51 is formed in the central part of the hole sealing plate 5, and the outer peripheral wall of the conveying rod 4 is processed with threads, the conveying rod 4 is adapted to be arranged in the threaded hole 51 and threadedly matched with the threaded hole 51, and the length of the conveying rod 4 in front of the hole sealing plate 5 can be adjusted by rotating the conveying rod 4, so as to adjust the length of the conveying rod 4 in the drill hole of the rock stratum, and the adjustment operation is simple, thereby facilitating the sensor 20 to be installed to the designated installation position.

[0055] The diameter of the hole sealing plate 5 is greater than the hole diameter of the drill hole, so as to block the hole of the drill hole and avoid the sundries entering the drill hole, so as to protect the part of the sensor fixing device 10 in the drill hole, the hole sealing plate 5 can be connected with the rock wall fixedly through the fastening screw 93, the connection mode is simple, which is favorable to the installation of the sensor fixing device 10, and when the sensor 20 needs to be disassembled, the fastening screw 93 can be disassembled, so that the hole sealing plate 5 is separated from the rock wall, thereby facilitating the sensor 20 to be taken out from the drill hole and facilitating the disassembly of the sensor 20.

[0056] In some embodiments of the utility model, referring to Figure 1 , the sensor fixing device 10 further comprises: a handle 6, the handle 6 is fixedly connected with the conveying rod 4 on the side of the hole sealing plate 5 away from the protection assembly 1, and the handle 6 can provide a holding point for the operator during the installation of the sensor fixing device 10, so as to facilitate the sensor 20 to be pushed into the drill hole of the rock stratum, wherein the handle 6 can be a "cross" handle 6.

[0057] In some embodiments of the utility model, refer to Figure 1 、 Figure 3 and Figure 4 , clamping assembly 2 includes: adjusting screw 21 and clamping piece 22, adjusting screw 21 is threaded with the protection sleeve 12 and is cooperated with the protection sleeve 12, clamping piece 22 is located in the installation cavity 13 and is rotatably connected with adjusting screw 21, by rotating adjusting screw 21, adjusting screw 21 can drive clamping piece 22 to move along the axial direction of adjusting screw 21, can make clamping piece 22 clamp or loosen sensor 20.

[0058] It can be understood that clamping piece 22 is rotatably connected with adjusting screw 21, when rotating adjusting screw 21, the rotation of clamping piece 22 can be avoided, thereby the risk of scratching sensor 20 by clamping piece 22 can be reduced.

[0059] Wherein, clamping piece 22 has a ball head seat inside, the end of adjusting screw 21 close to clamping piece 22 can be configured as a spherical protrusion, the spherical protrusion is suitable for inserting into the ball head seat, realizing the rotatable connection of adjusting screw 21 and clamping piece 22.

[0060] Refer to Figure 2 , the number of clamping assembly 2 is two, two clamping assemblies 2 are oppositely arranged in the radial direction of protection sleeve 12, when installing sensor 20, two adjusting screws 21 in two clamping assemblies 2 can be rotated clockwise, so that two opposite clamping pieces 22 move towards the direction close to sensor 20, two clamping pieces 22 can clamp sensor 20 together, to realize the fixation of sensor 20, when disassembling sensor 20, two adjusting screws 21 can be rotated counterclockwise, so that two opposite clamping pieces 22 move away from sensor 20, thereby two clamping pieces 22 are separated from sensor 20, to loosen sensor 20, realizing the disassembly of sensor 20.

[0061] Wherein, clamping piece 22 can be flat plate, arc plate and the like structure, can be set according to the shape of sensor 20, for example, when the shape of sensor 20 is cuboid or square, refer to Figure 5 , clamping piece 22 can be flat plate structure, when the shape of sensor 20 is cylinder, refer to Figure 3 、 Figure 4 and Figure 6 , clamping piece 22 can be arc plate.

[0062] In some other embodiments of the utility model, clamping piece 22 includes rotatably connected first clamping plate and second clamping plate, first clamping plate is suitable for clamping sensor 20, second clamping plate is threaded with adjusting screw 21.

[0063] Specifically, one side of the second clamping plate close to the adjusting screw 21 has a tubular threaded joint, the adjusting screw 21 is adapted to be inserted into the threaded joint and threadedly connected with the threaded joint to achieve the threaded connection of the clamping piece 22 and the adjusting screw 21, the clamping piece 22 and the adjusting screw 21 are easy to disassemble and assemble according to the shape of the sensor 20, the first clamping plate can have a ball head seat, and the second clamping plate has a spherical protrusion at one end facing the first clamping plate, the spherical protrusion is adapted to be inserted into the ball head seat to achieve the rotatable connection of the first clamping plate and the second clamping plate, and when the adjusting screw 21 is rotated, the first clamping plate can be prevented from rotating, thereby reducing the risk of scratching the sensor 20 by the first clamping plate.

[0064] It should be noted that when the adjusting screw 21 is tightened, the end face of the adjusting screw 21 located outside the mounting cavity 13 is adapted to be in close contact with the outer peripheral wall of the protective sleeve 12, so that the adjusting screw 21 is located on the radial inner side of the support plate 311 in the radial direction of the protective sleeve 12, thereby avoiding the adjusting screw 21 from touching the hole wall of the borehole of the rock stratum.

[0065] In some embodiments of the utility model, referring to Figure 1 and Figure 2 As shown, the sensor fixing device 10 further comprises a guide head 7 connected to one end of the protective sleeve 12 away from the protective cover plate 11, when the sensor 20 is sent into the borehole of the rock stratum, the guide head 7 is located in front of the protective sleeve 12, the guide head 7 can reduce the risk of the end of the protective sleeve 12 close to the guide head 7 contacting the debris in the borehole, thereby playing a role of protecting the head of the protective sleeve 12 and reducing the risk of damage to the protective sleeve 12. Wherein, the guide head 7 can be a conical structure, which is convenient for dredging the blockage of debris in the borehole and is conducive to improving the smoothness of pushing the sensor fixing device 10 into the borehole of the rock stratum.

[0066] In some embodiments, the guide head 7 and the protective sleeve 12 can be integrally formed, and the guide head 7 and the protective sleeve 12 do not need to be connected by fasteners or welded, which is conducive to reducing the assembly steps of the guide head 7 and the protective sleeve 12, thereby improving the production efficiency of the sensor fixing device 10, and at the same time, it is also conducive to reducing the number of parts of the sensor fixing device 10 and reducing the production cost of the sensor fixing device 10.

[0067] In other embodiments, the guide head 7 and the protective sleeve 12 are separately formed, which is conducive to reducing the manufacturing difficulty of the guide head 7 and the protective sleeve 12 and facilitating the production and manufacturing of the sensor fixing device 10.

[0068] In some embodiments of the utility model, referring to Figure 3As shown, the sensor fixing device 10 further comprises a buffer pad 8 filled in the mounting cavity 13, which can avoid the sensor 20 from colliding with the inner wall of the mounting cavity 13 during the process of mounting the sensor 20 into the mounting cavity 13, thereby protecting the sensor 20 and reducing the risk of damaging the sensor 20, wherein the buffer pad 8 can be a sponge pad, and the buffer pad 8 can be bonded to the inner wall of the mounting cavity 13.

[0069] According to the sensor fixing device 10 of the embodiment of the present application, the mutual cooperation of the support plate 311, the support rod 312, the conveying rod 4, the hole sealing plate 5, the protective cover plate 11 and the protective sleeve 12 improves the stability of the sensor 20 in the rock stratum, ensures that the sensor 20 is completely fixed with the hole wall of the drill hole after being pushed to the designated mounting position in the drill hole of the rock stratum, thereby achieving accurate signal acquisition effect, and compared with the grouting method in the related art, the sensor fixing device 10 of the embodiment of the present application can realize the recycling of the sensor 20, so as to facilitate the secondary use of the sensor 20, which is beneficial to saving cost, and the operation of the sensor fixing device 10 is simple and convenient.

[0070] Referring to Figures 1-6 As shown, according to the sensor monitoring system 100 of another aspect of the embodiment of the present application, the sensor monitoring system 100 comprises the sensor fixing device 10 and the sensor 20, the sensor fixing device 10 is the sensor fixing device 10 of the above-mentioned embodiment, the sensor 20 is arranged in the mounting cavity 13, and the protection assembly 1 of the sensor fixing device 10 is adapted to protect the sensor 20 in the mounting cavity 13.

[0071] According to the sensor monitoring system 100 of the embodiment of the present application, the sensor fixing device 10 is adapted to mount and fix the sensor 20 in the drill hole of the rock stratum, wherein the sensor 20 is fixed in a clamping manner by the clamping assembly 2 of the sensor fixing device 10, the sensor 20 can be stably and reliably fixed, which is beneficial to the accurate signal acquisition of the sensor 20, and the sensor 20 can also be disassembled and recycled, so as to facilitate the secondary use of the sensor 20, which is beneficial to reducing construction cost.

[0072] In some embodiments of the present application, the use method of the sensor 20 monitoring system comprises:

[0073] Step S1: horizontally place the sensor into the protective sleeve, tightly fix the sensor in the protective sleeve by rotating the adjusting screw, at this time, the adjusting screw is tightly attached to the outer wall of the protective sleeve, then cover the protective cover plate, tighten the fastening stud and the fastening nut, and lead the wire harness of the sensor and the wire harness of the driving member out through the conveying rod, and complete the assembly of the protective sleeve and the sensor.

[0074] Step S2: assuming X is the tunneling direction, Y is the horizontal direction perpendicular to X, and Z is the vertical upward direction, in order to ensure that the direction on the sensor is consistent with it, the first mark on the adjusting screw is located in the vertical upward Z direction, and at the same time, the second mark on the handle is located in the vertical upward Z direction.

[0075] Wherein, the plane where X and Y are together is parallel to the ground of the tunnel, and Z is perpendicular to the ground of the tunnel, referring to Figure 1 As shown in the figure, the first mark 211 can be located on the end face of the end of the adjusting screw 21 away from the clamping piece 22, and the second mark 61 can be located on the end face of any end of the "cross" handle 6. The first mark 211 and the second mark 61 can both be patterns, for example, the first mark 211 and the second mark 61 can be dots, straight lines, arrows, etc.

[0076] Step S3: adjust the length of the support rod to the shortest, adjust the length of the conveying rod, push the assembled protection assembly and the sensor into the designated installation position in the drill hole in the rock layer by rotating the conveying rod, at this time, open the button for controlling the extension of the support rod, and the support rod makes the support plate tightly adhere to the hole wall of the drill hole through the elastic force, so that the protection assembly is firmly fixed in the drill hole.

[0077] Step S4: after the sensor reaches the designated installation position in the drill hole, again confirm that the second mark on the handle is located in the vertical upward Z direction, and fix the hole sealing plate at the hole opening of the drill hole with the fastening screw.

[0078] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" and the like means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or examples described in the present specification.

[0079] Although the embodiments of the present application have been shown and described above, it should be understood that the above embodiments are exemplary and cannot be understood as limiting the present application, and those skilled in the art can make changes, modifications, replacements and variations to the above embodiments within the scope of the present application.

Claims

1. A sensor fixation device, characterized in that, The sensor fixing device comprises: a protection assembly (1), the protection assembly (1) comprises a protection cover plate (11) and a protection sleeve (12), the protection cover plate (11) is detachably connected with the protection sleeve (12) and jointly defines a mounting cavity (13); a clamping assembly (2), at least one of the protection cover plate (11) and the protection sleeve (12) is connected with the clamping assembly (2), the clamping assembly (2) is used for clamping and fixing a sensor (20) in the mounting cavity (13); a support assembly (3), the support assembly (3) comprises a support (31) and a driving member, the support (31) is arranged outside the mounting cavity (13), the support (31) is connected with the protection sleeve (12) through the driving member, and the driving member is used for driving the support (31) to move in the radial direction of the protection sleeve (12).

2. The sensor fixation device of claim 1, wherein, The sensor fixing device further comprises a conveying rod (4), the conveying rod (4) is connected with the protection cover plate (11).

3. The sensor fixation device of claim 2, wherein, The conveying rod (4) has a wire hole (41), and the wire hole (41) communicates with the mounting cavity (13).

4. The sensor fixation device of claim 2, wherein, The conveying rod (4) comprises a plurality of conveying sub-rods, and the plurality of conveying sub-rods are detachably coaxially connected.

5. The sensor fixation device of any one of claims 2-4, wherein, The sensor fixing device further comprises a hole sealing plate (5), the hole sealing plate (5) is adapted to be fixedly connected with a rock wall, the conveying rod (4) is arranged in the hole sealing plate (5) and is in threaded cooperation with the hole sealing plate (5).

6. The sensor fixation device of claim 5, wherein, The sensor fixing device further comprises a handle (6), the handle (6) is fixedly connected with the conveying rod (4) on the side, away from the protection assembly (1), of the hole sealing plate (5).

7. The sensor fixation device of claim 1, wherein, The clamping assembly (2) comprises: an adjusting screw (21), the adjusting screw (21) is arranged in the protection sleeve (12) and is in threaded cooperation with the protection sleeve (12); a clamping member (22), the clamping member (22) is arranged in the mounting cavity (13) and is rotatably connected with the adjusting screw (21).

8. The sensor fixation device of claim 1, wherein, The sensor fixing device further comprises a guide head (7), the guide head (7) is connected with the end of the protection sleeve (12), away from the protection cover plate (11).

9. The sensor fixation device of claim 1, wherein, The sensor fixing device further comprises a buffer pad (8), the buffer pad (8) is filled in the mounting cavity (13).

10. A sensory monitoring system characterized in that, The sensor fixing device comprises: a sensor fixing device, the sensor fixing device is the sensor fixing device according to any one of claims 1-9; a sensor (20), the sensor (20) is arranged in the mounting cavity (13).

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