Automatic monitoring device for tunnel settlement

Abstract

The utility model discloses an automatic tunnel settlement monitoring device which comprises an automatic settlement monitoring device body movably arranged between the inner wall of the top and the inner wall of the bottom of a tunnel, the automatic settlement monitoring device body comprises a base, the top of the base is fixedly connected with a transparent shell, and the bottom of the transparent shell is provided with an opening. The right side of the transparent shell is fixedly connected with a PLC and an audible and visual alarm electrically connected with the PLC. And a lifting plate is arranged in the transparent shell. According to the utility model, a series of structures are arranged, so that up-and-down back shore monitoring work can be directly carried out in the tunnel through lifting adjustment, independent installation and fixation in the tunnel are not needed, the device can be used only by being placed in the tunnel and adjusted, the effect of convenient monitoring and early warning without installation in the tunnel is realized, the use convenience is improved, and the cost is reduced. In addition, the mode that the laser distance measuring sensor is located inside for monitoring is not interfered and influenced by external dust, disintegrating slag falling and other environmental factors, and the monitoring and early warning stability is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a tunnel monitoring equipment technical field, concretely is a tunnel settlement automatic monitoring device. BACKGROUND

[0002] At present, in tunnel construction, the problem of the top wall subsidence of the tunnel exists universally, and the subsidence of the top wall in the tunnel can cause major safety risks or accidents of the tunnel and surrounding building facilities, since the excavation of the tunnel will inevitably affect the stability of the ground, therefore, it is of great significance to monitor the ground subsidence in real time during the tunnel construction process;

[0003] For this, according to the search and retrieval report of the new structure, the announcement number CN218865073U discloses a tunnel settlement automatic monitoring device, which mainly aims at the problem that the existing products cannot perform real-time automatic monitoring on the tunnel, and proposes the following technical scheme, including a monitoring device composed of a monitoring mark and a monitoring structure, the monitoring structure includes a supporting mechanism, and a level for observing the monitoring mark is installed on the supporting mechanism; through the two split type loading components provided on the clamping frame and the infrared sensor main body provided thereon, the automatic monitoring of the tunnel can be realized after the initial manual monitoring adjustment is completed when the settlement of the tunnel is monitored, and the alarm main body is used to give a warning when the tunnel appears to be subsiding, which not only avoids the trouble of the manual time monitoring required by the existing monitoring device, but also can monitor the tunnel in real time, avoids the phenomenon of monitoring delay, and improves the practicability of the product.

[0004] The tunnel settlement automatic monitoring device disclosed by the above-mentioned technology is installed with a fixed monitoring mark on the inner wall of the top of the tunnel, and a level and an infrared sensor main body are erected on one side through a supporting mechanism to perform settlement monitoring work, but there are the following disadvantages in actual use:

[0005] 1. The monitoring mode of directly exposing the monitoring mark on one side by using the level is greatly affected by the dust and debris in the tunnel, and the dust and debris in the field environment can easily interfere with the monitoring work, and the stability of the settlement monitoring and early warning is not ideal; 2. The fixed monitoring mark is installed on the inner wall of the top of the tunnel, which needs to be installed and fixed separately on site, and cannot be directly monitored conveniently without installation, so the convenience is not ideal; in view of this, the tunnel settlement automatic monitoring device is proposed to solve the above-mentioned problems. INVENTION CONTENTS

[0006] The utility model aims at providing a tunnel settlement automatic monitoring device to solve the problems in the background art.

[0007] To achieve the above object, the utility model provides following technical scheme: a tunnel settlement automatic monitoring device, including the settlement automatic monitoring device body of movable setting between the tunnel top inner wall and bottom inner wall, the settlement automatic monitoring device body includes the base, the top of base is fixedly connected with the transparent shell that the bottom is provided with the opening, the right side of transparent shell is fixedly connected with PLC controller and the audible -visual alarm that is electric connection with it,

[0008] The transparent shell is provided with lifting plate, the top of lifting plate is installed with telescopic screw thread lifting assembly, the top end of telescopic screw thread lifting assembly extends to the top of transparent shell and is fixedly connected with top block, the top of base is fixedly installed with the drive motor that output shaft is fixedly connected with telescopic screw thread lifting assembly, drive motor is electric connection with PLC controller, telescopic screw thread lifting assembly is used for driving top block to move up and extrude tightly with tunnel top inner wall,

[0009] The transparent shell is provided with lifting plate, the top of lifting plate is installed with telescopic screw thread lifting assembly, the top end of telescopic screw thread lifting assembly extends to the top of transparent shell and is fixedly connected with top block, the top of base is fixedly installed with the drive motor that output shaft is fixedly connected with telescopic screw thread lifting assembly, drive motor is electric connection with PLC controller, telescopic screw thread lifting assembly is used for driving top block to move up and extrude tightly with tunnel top inner wall,

[0010] Preferably, the telescopic screw thread lifting assembly includes a rectangular outer tube fixedly connected to the top of the lifting plate, the top end of the rectangular outer tube slides out to the top of the transparent shell, a rectangular rod is slidably sleeved in the rectangular outer tube, the top end of the rectangular rod is fixedly connected to the bottom of the top block, a screw rod is rotatably embedded in the top of the lifting plate, the rectangular rod is threadedly sleeved on the screw rod, the top end of the output shaft of the drive motor is fixedly connected with a square turning rod, and the screw rod is slidably sleeved on the square turning rod.

[0011] Preferably, the vertical elastic support and distance measuring assembly includes two vertical guide rods fixedly connected to the top inner wall of the transparent shell, the bottom ends of the two vertical guide rods are fixedly connected with the same back-shaped support plate, the outer side of the back-shaped support plate is fixedly connected with the inner wall of the transparent shell, the square turning rod is located in the back-shaped support plate and does not contact the inner side of the back-shaped support plate, the lifting plate is slidably sleeved on the two vertical guide rods, two springs are fixedly connected between the top of the back-shaped support plate and the bottom of the lifting plate, the springs are movably sleeved on the corresponding vertical guide rods, a laser distance measuring sensor electrically connected with the PLC controller is fixedly installed on the top of the back-shaped support plate, and a reference sheet fixedly connected to the bottom of the lifting plate is provided above the laser distance measuring sensor.

[0012] Preferably, the right side of the transparent shell is fixedly connected with a U-shaped handle, and the PLC controller and the audible and visual alarm are located in the U-shaped handle.

[0013] Preferably, the top of the base is fixedly installed with a storage battery located in the transparent shell, and the driving motor, the PLC controller and the audible and visual alarm are electrically connected with the storage battery.

[0014] Preferably, the bottom of the base is fixedly bonded with an antiskid rubber pad, the bottom of the antiskid rubber pad is in movable contact with the inner wall of the bottom of the tunnel, and the top of the top block is in movable contact with the inner wall of the top of the tunnel.

[0015] Preferably, the bottom end of the rectangular rod is provided with a threaded hole threadedly connected with a screw rod, and the bottom end of the screw rod is provided with a square sliding groove slidably sleeved with the outer side of the square rotating rod.

[0016] Compared with the prior art, the utility model has the beneficial effects that:

[0017] 1. The transparent shell, the base, the top block, the driving motor, the PLC controller, the audible and visual alarm, the telescopic screw thread lifting assembly and the vertical guide missile distance measuring assembly are cooperated, so that the up and down jacking monitoring work can be directly adjusted in the tunnel, the automatic alarm reminding can be realized when the settlement occurs in the inner wall of the top of the tunnel, and the tunnel settlement automatic monitoring and early warning effect is realized.

[0018] 2. The laser ranging sensor cooperated with the reference sheet is located in the transparent shell for the switching monitoring mode, is not influenced by the external dust, the falling debris and other environmental factors, and the monitoring and early warning stability is improved.

[0019] 3. In addition, the up and down jacking monitoring mode is adjusted in the tunnel, the separate installation and fixation in the tunnel are not needed, the use can be realized after being placed and adjusted in the tunnel, the installation-free convenient monitoring effect is realized, and the use convenience is improved.

[0020] The utility model is provided with a series of structures, the up and down jacking monitoring work can be directly adjusted in the tunnel, the separate installation and fixation in the tunnel are not needed, the use can be realized after being placed and adjusted in the tunnel, the installation-free convenient monitoring and early warning effect in the tunnel is realized, the use convenience is improved, the laser ranging sensor is located in the interior for the monitoring mode, is not influenced by the external dust, the falling debris and other environmental factors, and the monitoring and early warning stability is improved. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a structural schematic view of a tunnel settlement automatic monitoring device of the utility model;

[0022] Figure 2The utility model provides a kind of tunnel settlement automatic monitoring device's settlement automatic monitoring device body three-dimensional structure schematic view is proposed in the utility model;

[0023] Figure 3 The utility model provides a kind of tunnel settlement automatic monitoring device's settlement automatic monitoring device body main view cross section structure schematic view is proposed in the utility model;

[0024] Figure 4 For Figure 3 The utility model provides a kind of tunnel settlement automatic monitoring device's settlement automatic monitoring device body three-dimensional structure schematic view is proposed in the utility model;

[0025] In the drawing: 1, base; 2, transparent shell; 201, PLC controller; 202, audible and visual alarm; 3, vertical guide rod; 301, spring; 302, back-shaped support plate; 303, laser ranging sensor; 304, reference sheet; 4, driving motor; 401, square rotating rod; 402, screw rod; 403, rectangular rod; 404, rectangular outer tube; 405, square slide; 5, top block; 6, lifting plate. DETAILED DESCRIPTION

[0026] The technical scheme in the embodiments of the utility model will be described below in a clear and complete manner with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0027] As Figures 1 to 4 Indicated, the utility model discloses a kind of tunnel settlement automatic monitoring device, including the settlement automatic monitoring device body being movably arranged between tunnel top inner wall and bottom inner wall, settlement automatic monitoring device body includes base 1, the top of base 1 is fixedly connected with the transparent shell 2 of the bottom being open, the right side of transparent shell 2 is fixedly connected with PLC controller 201 and the audible and visual alarm 202 electrically connected with it, the right side of transparent shell 2 is fixedly connected with U-shaped handle, and PLC controller 201 and audible and visual alarm 202 are all located in U-shaped handle;

[0028] The lifting plate 6 is arranged in the transparent shell 2, the top of the lifting plate 6 is provided with a telescopic screw lifting assembly, the top end of the telescopic screw lifting assembly extends above the transparent shell 2 and is fixedly connected with a top block 5, the bottom of the base 1 is adhesively fixed with an antiskid rubber pad, the bottom of the antiskid rubber pad is in movable contact with the bottom inner wall of the tunnel, the top of the top block 5 is in movable contact with the top inner wall of the tunnel, the top of the base 1 is fixedly provided with a driving motor 4 connected with the telescopic screw lifting assembly, the driving motor 4 is electrically connected with a PLC controller 201, the top of the base 1 is fixedly provided with a storage battery in the transparent shell 2, the driving motor 4, the PLC controller 201 and a sound-light alarm 202 are electrically connected with the storage battery; the telescopic screw lifting assembly is used for driving the top block 5 to move upward and be pressed against the top inner wall of the tunnel;

[0029] A vertical elastic supporting and distance measuring assembly is arranged in the transparent shell 2 and is used for elastically supporting the lifting plate 6 and measuring distance when the lifting plate 6 is lifted, the vertical elastic supporting and distance measuring assembly is electrically connected with the PLC controller 201; the vertical elastic supporting and distance measuring assembly is used for vertically guiding the lifting plate 6, elastically supporting and tightly supporting the lifting plate 6 at the bottom of the lifting plate 6 when the top block 5 is pressed against the top inner wall of the tunnel, and is used for measuring the height distance of the lifting plate 6 in real time, transmitting the distance value to the PLC controller 201, and controlling the sound-light alarm 202 to alarm and remind work by the PLC controller 201 when the distance is shortened due to the upper settlement and the driving of the lifting plate 6 by the top block 5, wherein the PLC controller 201 is a networked programming controller, and is also used for transmitting an alarm signal to a background terminal by reciprocation when the distance is shortened in the monitoring work.

[0030] Specifically, the telescopic screw lifting assembly comprises a rectangular outer tube 404 fixedly connected to the top of the lifting plate 6, the top end of the rectangular outer tube 404 slidingly penetrates out of the top of the transparent shell 2, wherein a rectangular guide hole is formed in the inner wall of the top of the transparent shell 2 and slidingly sleeved with the outer side of the rectangular outer tube 404, which serves as a guide for the vertical sliding of the rectangular outer tube 404, a rectangular rod 403 is slidingly sleeved in the rectangular outer tube 404, the top end of the rectangular rod 403 is fixedly connected to the bottom of the top block 5, and the top of the lifting plate 6 is rotatably embedded with a screw rod 402, wherein a circular through hole is formed in the top of the lifting plate 6, a bearing is fixedly sleeved in the circular through hole, the inner side of the inner ring of the bearing is fixedly connected to the outer side of the screw rod 402, which serves as a guide for the rotation of the screw rod 402, the bottom end of the rectangular rod 403 is provided with a threaded hole in threaded connection with the screw rod 402, which serves as a guide for the upward and downward displacement of the rectangular rod 403 when the screw rod 402 rotates, and the downward displacement of the rectangular rod 403 when the screw rod 402 rotates, the top end of the output shaft of the driving motor 4 is fixedly connected with a square rotating rod 401, the screw rod 402 is slidingly sleeved on the square rotating rod 401, wherein the bottom end of the screw rod 402 is provided with a square sliding groove 405 slidingly sleeved with the outer side of the square rotating rod 401, which serves as a guide for the vertical sliding of the screw rod 402 on the square rotating rod 401 when the screw rod 402 moves up and down, and the integrated rotation of the screw rod 402 driven by the square sliding groove 405 when the square rotating rod 401 rotates; the rectangular outer tube 404, the rectangular rod 403, the screw rod 402 and the square rotating rod 401 are cooperated, the square rotating rod 401 is driven to rotate by the driving motor 4, the screw rod 402 is integrally rotated by the outer side corner of the square rotating rod 401, the screw rod 402 is driven to rotate and move upward, the rectangular rod 403 is driven to move upward and tightly press against the inner wall of the top of the tunnel, in the tightly pressed state, the screw rod 402 is rotated and displaced downward in the rectangular rod 403, and the lifting plate 6 is driven to move downward by the screw rod 402.

[0031] Furthermore, the vertical missile rangefinder assembly includes two vertical guide rods 3 fixedly connected to the inner wall of the top of the transparent shell 2. The bottom ends of the two vertical guide rods 3 are fixedly connected to the same U-shaped support plate 302. The outer side of the U-shaped support plate 302 is fixedly connected to the inner wall of the transparent shell 2. A square rotating rod 401 is located inside the U-shaped support plate 302 and does not contact the inner side of the U-shaped support plate 302. A lifting plate 6 is slidably fitted onto the two vertical guide rods 3. The top of the lifting plate 6 has two vertical guide holes that are respectively slidably fitted onto the outer side of the corresponding vertical guide rod 3, serving to guide the vertical sliding of the lifting plate 6. The top of the U-shaped support plate 302 is connected to... Two springs 301 are fixedly connected between the bottom of the lifting plate 6. The springs 301 are movably sleeved on the corresponding vertical guide rods 3. A laser rangefinder 303 electrically connected to the PLC controller 201 is fixedly installed on the top of the U-shaped support plate 302. A reference plate 304 fixedly connected to the bottom of the lifting plate 6 is set above the laser rangefinder 303. The vertical guide rods 3, U-shaped support plate 302, springs 301, laser rangefinder 303 and reference plate 304 cooperate to slide downward on the two vertical guide rods 3 when the lifting plate 6 moves down a part in the squeezed state, and press the two springs 301. The compression mechanism utilizes two springs 301 to maintain elastic tension on the upper part, ensuring stable and tight contact between the top block 5 and the inner wall of the tunnel top. When the lifting plate 6 moves downwards, it causes the reference plate 304 to move downwards as well. The laser distance sensor 303 measures the distance between itself and the reference plate 304 in real time and transmits the distance value to the PLC controller 201, setting the adjusted distance value as the initial distance value. During monitoring, when settlement and compression occur in the upper part of the tunnel, causing the top block 5 to move downwards, the top block 5, in turn, drives the lifting plate 6 downwards via the rectangular rod 403 and the screw 402, continuing the downward movement of the lifting plate 6. When spring 301 is compressed, the lifting plate 6 moves the reference plate 304 downward. At this time, the distance detected and transmitted by the laser ranging sensor 303 decreases. When the received distance value decreases, the PLC controller 201 controls the audible and visual alarm 202 to activate and provide an alarm reminder, thus achieving the effect of automatic monitoring and early warning of tunnel settlement. In addition, the laser ranging sensor 303 is located inside the tunnel for monitoring, which is not affected by external environmental factors such as dust and debris, improving monitoring stability. Furthermore, it does not require separate installation and fixation inside the tunnel; it can be used simply by placing it inside the tunnel and adjusting it, thus improving ease of use.

[0032] The use method of the embodiment is as follows: when the tunnel settlement automatic monitoring device is used, the device is directly placed on the inner wall at the bottom of the tunnel, then a person controls the driving motor 4 to start in the forward direction through the PLC controller 201, the driving motor 4 drives the square rotating rod 401 to rotate, the square rotating rod 401 is integrally rotated with the screw rod 402 through the engagement of the outer edges and corners of the square rotating rod 401 with the edges and corners of the square sliding groove 405, the screw rod 402 is rotated to drive the rectangular rod 403 to move upward, the rectangular rod 403 drives the top block 5 to be extruded against the inner wall at the top of the tunnel, in the extruded and tightly fitted state, the screw rod 402 is rotated in the threaded hole on the rectangular rod 403 and is displaced downward, the screw rod 402 drives the lifting plate 6 to move downward by a part, at this time, the lifting plate 6 slides downward on the two vertical guide rods 3 and compresses the two springs 301, the two springs 301 are in the compressed state during use to ensure the elastic tightening work on the upper part, thereby ensuring the stable extrusion and tight fitting work of the top block 5 with the inner wall at the top of the tunnel; when the lifting plate 6 moves downward, the datum sheet 304 moves downward, the laser ranging sensor 303 measures the distance between the datum sheet 304 in real time and transmits the distance value to the PLC controller 201, after the spring 301 is compressed by a part, the adjusted distance value is set as the initial distance value, when the upper part of the tunnel is subjected to settlement extrusion to drive the top block 5 to move downward during the monitoring work, at this time, the top block 5 drives the lifting plate 6 to move downward in sequence through the rectangular rod 403 and the screw rod 402, and continues to compress the spring 301, at this time, the lifting plate 6 drives the datum sheet 304 to move downward, at this time, the distance detected and transmitted by the laser ranging sensor 303 becomes smaller, the PLC controller 201 controls the sound and light alarm 202 to start the alarm reminding work when the received distance value becomes smaller, the PLC controller 201 is a networked programming controller and is also used for transmitting the alarm signal to the background terminal in a reciprocating manner to perform the alarm reminding work when the distance shortens during the monitoring work, the effect of automatic monitoring and early warning of the tunnel settlement is achieved, in addition, the laser ranging sensor 303 is located inside for monitoring, is not affected by external dust, debris falling and other environmental factors, the monitoring and early warning stability is improved, and the device only needs to be placed in the tunnel and adjusted, and then can be used, the effect of installation-free and convenient monitoring is achieved, and the use convenience is improved.

[0033] Finally, it should be noted that the above description is only a preferred embodiment of the present application and is not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent replacements to some technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A tunnel settlement automatic monitoring device, comprising a settlement automatic monitoring device body movably arranged between the inner wall of the top and the inner wall of the bottom of the tunnel, characterized in that: The body of the sediment automatic monitoring device comprises a base (1), the top of the base (1) is fixedly connected with a transparent shell (2) with an open bottom, the right side of the transparent shell (2) is fixedly connected with a PLC controller (201) and an audible and visual alarm (202) electrically connected therewith; The transparent shell (2) is provided with a lifting plate (6), the top of the lifting plate (6) is provided with a telescopic screw lifting assembly, the top end of the telescopic screw lifting assembly extends above the transparent shell (2) and is fixedly connected with a top block (5), the top of the base (1) is fixedly provided with a driving motor (4) with an output shaft fixedly connected with the telescopic screw lifting assembly, and the driving motor (4) is electrically connected with the PLC controller (201); The transparent shell (2) is provided with a vertical guide spring distance measuring assembly for elastically supporting the lifting plate (6) and measuring the distance when the lifting plate (6) is lifted, and the vertical guide spring distance measuring assembly is electrically connected with the PLC controller (201).

2. The automatic tunnel settlement monitoring device according to claim 1, characterized in that: The telescopic screw lifting assembly comprises a rectangular outer tube (404) fixedly connected to the top of the lifting plate (6), the top end of the rectangular outer tube (404) slides out of the transparent shell (2) to the top of the transparent shell (2), a rectangular rod (403) is slidably sleeved in the rectangular outer tube (404), the top end of the rectangular rod (403) is fixedly connected with the bottom of the top block (5), a screw rod (402) is rotatably embedded in the top of the lifting plate (6), the rectangular rod (403) is threadedly sleeved on the screw rod (402), and the top end of the output shaft of the driving motor (4) is fixedly connected with a square turning rod (401), and the screw rod (402) is slidably sleeved on the square turning rod (401).

3. The automatic tunnel settlement monitoring device according to claim 2, characterized in that: The vertical guide spring distance measuring assembly comprises two vertical guide rods (3) fixedly connected to the inner wall at the top of the transparent shell (2), the bottom ends of the two vertical guide rods (3) are fixedly connected with a same back-shaped supporting plate (302), the outer side of the back-shaped supporting plate (302) is fixedly connected with the inner wall of the transparent shell (2), the square turning rod (401) is located in the back-shaped supporting plate (302) and does not contact the inner side of the back-shaped supporting plate (302), the lifting plate (6) is slidably sleeved on the two vertical guide rods (3), two springs (301) are fixedly connected between the top of the back-shaped supporting plate (302) and the bottom of the lifting plate (6), the springs (301) are movably sleeved on the corresponding vertical guide rods (3), the top of the back-shaped supporting plate (302) is fixedly provided with a laser distance measuring sensor (303) electrically connected with the PLC controller (201), and a reference sheet (304) fixedly connected to the bottom of the lifting plate (6) is arranged above the laser distance measuring sensor (303).

4. The automatic tunnel settlement monitoring device according to claim 1, characterized in that: The right side of the transparent shell (2) is fixedly connected with a U-shaped handle, and the PLC controller (201) and the audible and visual alarm (202) are located in the U-shaped handle.

5. The automatic tunnel settlement monitoring device according to claim 1, characterized in that: The top of the base (1) is fixedly provided with a storage battery located in the transparent shell (2), and the driving motor (4), the PLC controller (201) and the audible and visual alarm (202) are electrically connected with the storage battery.

6. The automatic tunnel settlement monitoring device according to claim 1, characterized in that: The bottom of the base (1) is adhesively fixed with an antiskid rubber pad, the bottom of the antiskid rubber pad is movably contacted with the inner wall of the bottom of the tunnel, and the top of the top block (5) is movably contacted with the inner wall of the top of the tunnel.

7. The automatic tunnel settlement monitoring device according to claim 2, characterized in that: The bottom end of the rectangular rod (403) is provided with a threaded hole for threadedly connecting with a screw rod (402), and the bottom end of the screw rod (402) is provided with a square sliding groove (405) for slidingly sleeving the outer side of the square rotating rod (401).

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