Building deformation monitoring device

Abstract

The utility model provides a building deformation monitoring device, which comprises an electric appliance box and a fixed seat, a reciprocating screw rod is arranged between the electric appliance box and the fixed seat, a movable monitoring probe is arranged on the screw rod, a motor is arranged in the electric appliance box, one end of the reciprocating screw rod is fixed with the output end of the motor, and the other end of the reciprocating screw rod is fixed with the fixed seat. The other end is rotationally mounted in the fixed seat; the movable monitoring probe comprises a movable seat which is in threaded connection with the reciprocating screw rod, a mounting cavity is formed in the movable seat, and a pressure sensor is fixedly connected to the bottom of the mounting cavity; an extrusion head matched with the installation cavity is installed on the upper portion of the installation cavity, a pressing block corresponding to the pressure sensor is arranged at the end, close to the pressure sensor, of the extrusion head, and a ball is arranged at the end, away from the pressure sensor, of the extrusion head. According to the utility model, the reciprocating lead screw rotates to drive the movable monitoring probe to move in a reciprocating manner, so that the deformation of the mounting position of the monitoring device is monitored.

Description

Technical Field

[0001] The utility model relates to the technical field of construction, in particular to a building deformation monitoring device. Background Art

[0002] With the rapid development of social economy, deformation monitoring is the use of special instruments and methods to continuously observe the deformation phenomenon of the deformable body, analyze the deformation form of the deformable body and predict the development trend of the deformation of the deformable body. Deformation monitoring includes the establishment of a deformation monitoring network to monitor horizontal displacement, settlement, inclination, cracks, deflection, swing and vibration. Building deformation monitoring refers to the device that monitors the surface deformation of the building.

[0003] Existing buildings will experience local deformation due to external factors or internal factors, resulting in a small deformation on the building surface, which is not easy to observe and monitor directly. By the time it is discovered, the deformation has become larger, posing a huge safety hazard. Therefore, it does not meet the existing needs, and it is necessary to provide a system that can detect small deformations on the building surface. Summary of the invention

[0004] In order to solve the above technical problems, the utility model provides a building deformation monitoring device, which can conveniently monitor small deformations on the surface of the building, facilitate the discovery of safety hazards, and facilitate the positioning of the deformation, allowing for rapid maintenance.

[0005] To achieve the above-mentioned purpose, the utility model provides a building deformation monitoring device, which includes an electrical box and a fixed seat, a reciprocating screw is provided between the electrical box and the fixed seat, a mobile monitoring probe is installed on the screw, a motor is provided in the electrical box, one end of the reciprocating screw is inserted into the electrical box and fixedly installed with the output end of the motor, and the other end is rotatably installed in the fixed seat; the mobile monitoring probe includes a mobile seat threadedly connected to the reciprocating screw, a mounting cavity is provided on the mobile seat, a pressure sensor is fixedly connected to the bottom of the mounting cavity, and the signal of the pressure sensor is output by wire or wirelessly; an extrusion head adapted to the mounting cavity is installed on the upper part of the mounting cavity, the bottom of the extrusion head is connected to the bottom of the mounting cavity by a second spring, a pressing block is provided at one end of the extrusion head adjacent to the pressure sensor, the pressing block is arranged corresponding to the pressure sensor and adapted to each other; one end of the extrusion head away from the pressure sensor extends out of the mounting cavity, and a spherical groove is provided at the end, and a ball adapted to the mounting cavity is provided in the spherical groove.

[0006] A further technical solution of the utility model is as follows: the monitoring device is fixed on the surface of the building through an electrical box and a fixing seat, the reciprocating screw is parallel to the surface of the building, and the ball of the extrusion head is in contact with the surface of the building.

[0007] The better technical solution of the utility model is as follows: the electrical box is also provided with a PLC controller, a wireless module, a power module and a positioning module; one side of the electrical box is provided with a wireless sensing transmitter, and the other side of the electrical box is provided with a wireless sensing receiver; the wireless module is wirelessly connected to an external terminal, and the external terminal has a built-in monitoring system; the pressure sensor is connected to the PLC controller signal.

[0008] The better technical solution of the utility model is as follows: an active cavity is provided at one end of the extrusion head adjacent to the pressure sensor, the pressing block is arranged through the active cavity, a slider is fixedly connected to the end of the pressing block located in the active cavity, the slider is slidably connected in the active cavity, and a first spring is provided between the slider and the bottom of the active cavity.

[0009] The better technical solution of the utility model is as follows: the end of the extrusion head extending out of the installation cavity is arranged to be conical, the spherical groove is opened at the tip of the cone, a threaded cover is provided on the outer side of the tip of the cone, a threaded connection seat matched with the threaded cover is provided at the opening of the installation cavity, and the threaded cover is threadedly connected to the threaded connection seat.

[0010] The better technical solution of the utility model is as follows: a guide rod parallel to the reciprocating screw is provided between the electrical box and the fixed seat, a guide hole is opened on one side of the movable seat, the guide hole is adapted to the guide rod, and the movable seat is slidably connected to the guide rod through the guide hole; a screw sleeve is correspondingly provided on the movable seat, and the screw sleeve is adapted to the reciprocating screw.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] (1) The utility model can be fixed on the surface of a building. The reciprocating screw can cause the movable seat to reciprocate during rotation, thereby monitoring the deformation of the installation position of the monitoring device. Furthermore, through the cooperation of the ball bearings on the surface of the extrusion head, it can monitor smaller deformations of the building surface and promptly discover potential safety hazards.

[0013] (2) The utility model determines deformation through the pressure-bearing condition of the pressure sensor, and cooperates with the wireless sensing transmitter and the wireless sensing receiver to monitor the longitudinal position alignment and determine the lateral deformation, so as to facilitate the discovery of safety hazards.

[0014] (3) The pressing block of the utility model can be in soft contact with the pressure sensor to avoid damage to the pressure sensor caused by rigid extrusion. At the same time, the deformation amount can be determined according to the force conditions; the threaded pressure cap is threadedly connected to the threaded connection seat, so that the extrusion head can be easily disassembled and the second spring can be replaced.

[0015] (4) When the utility model is in operation, the alarm unit makes a normal reminder when the pressure sensor is not exposed to pressure; the alarm unit makes a deformation reminder when the pressure sensor is subjected to pressure; the alarm unit makes a danger reminder when the pressure sensor is subjected to pressure within a safe range; the alarm unit makes an evacuation reminder when the pressure sensor is subjected to pressure beyond the safe range; and the alarm unit makes a danger reminder when the wireless sensing transmitter and the wireless sensing receiver cannot receive signals; when the alarm is triggered, the positioning unit marks the abnormal monitoring device on the building model, thereby facilitating the staff to promptly find the abnormal position for maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the utility model;

[0017] Figure 2 for Figure 1 Enlarged view of part A in the middle;

[0018] Figure 3 It is a cross-sectional view of the utility model;

[0019] Figure 4 This is a control principle block diagram of the utility model.

[0020] In the figure: 1. Mobile monitoring probe; 2. Wall; 3. Electrical box; 4. Fixed seat; 5. Guide rod; 6. Reciprocating screw; 7. Moving seat; 8. Motor; 9. PLC controller; 10. Wireless module; 11. Power module; 12. Positioning module; 13. Wireless induction transmitter; 14. Wireless induction receiver; 15. Guide hole; 16. Screw sleeve; 17. Pressure sensor; 18. Installation cavity; 19. Extrusion head; 20. Active cavity; 21. Pressing block; 22. Ball; 23. Threaded gland; 24. Threaded connection seat; 25. Slider; 26. First spring; 27. Second spring. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] The embodiment provides a building deformation monitoring device, such as Figures 1 to 3As shown, it includes an electrical box 3 and a fixed seat 4, between which a guide rod 5 and a reciprocating screw 6 are provided which are parallel to each other, and a mobile monitoring probe is installed on the guide rod 5 and the reciprocating screw 6, and the electrical box 3 is provided with a motor 8, one end of the reciprocating screw 6 is inserted into the electrical box 3 and fixedly installed with the output end of the motor 8, and the other end is rotatably installed in the fixed seat 4; the mobile monitoring probe includes a mobile seat 7 which is threadedly connected to the reciprocating screw 6, a guide hole 15 is opened on one side of the mobile seat 7, the guide hole 15 is adapted to the guide rod 5, and the mobile seat 7 is slidably connected to the guide rod 5 through the guide hole 15; a screw sleeve 16 is correspondingly provided on the mobile seat 7, the screw sleeve 16 is adapted to the reciprocating screw 6, and the mobile seat 7 is threadedly connected to the reciprocating screw 6 through the screw sleeve 16.

[0023] The embodiment provides a building deformation monitoring device, such as Figures 1 to 3 As shown, the movable seat 7 is provided with an installation cavity 18, and a pressure sensor 17 is fixedly connected to the cavity bottom of the installation cavity 18, and the signal of the pressure sensor 17 is output by wire or wireless. An extrusion head 19 adapted to the installation cavity 18 is installed on the upper part of the installation cavity 18, and the bottom of the extrusion head 19 is connected to the cavity bottom of the installation cavity 18 through a second spring 27, and a pressing block 21 is provided at one end of the extrusion head 19 adjacent to the pressure sensor 17, and the pressing block 21 is arranged corresponding to the pressure sensor 17 and adapted to each other; an active cavity 20 is provided at one end of the extrusion head 19 adjacent to the pressure sensor 17, and the pressing block 21 is arranged through the active cavity 20, and a slider 25 is fixedly connected to one end of the pressing block 21 located in the active cavity 20, and the slider 25 is slidably connected in the active cavity 20, and a first spring 26 is provided between the slider 25 and the cavity bottom of the active cavity 20, so that the pressing block 21 can be in soft contact with the pressure sensor 17, avoiding damage to the pressure sensor caused by rigid extrusion, and at the same time, the deformation amount can be determined by the force condition. The end of the extrusion head 19 away from the pressure sensor 17 extends out of the installation cavity 18. The end of the extrusion head 19 extending out of the installation cavity 18 is set to be conical, and a spherical groove is provided at the end of the conical part, and a ball 22 matched therewith is provided in the spherical groove; a threaded gland 23 is provided on the outer cover of the conical tip, and a threaded connection seat 24 matched with the threaded gland 23 is provided at the opening of the installation cavity 18. The threaded gland 23 is threadedly connected to the threaded connection seat 24, so as to facilitate the disassembly of the extrusion head 19 and the replacement of the second spring 27. The monitoring device is fixed to the surface of the building through the electrical box 3 and the fixing seat 4. The utility model can be fixedly installed with the wall 2 by bolts or structural adhesive. The reciprocating screw 6 is parallel to the surface of the building. The ball 22 of the extrusion head 19 contacts the surface of the building and contacts the wall 2 through the ball 22, so as to facilitate the sliding of the extrusion head 19 against the wall 2.

[0024] The embodiment provides a building deformation monitoring device, such as Figure 3 to Figure 4As shown, the electrical box 3 is also provided with a PLC controller 9, a wireless module 10, a power module 11 and a positioning module 12. A wireless induction transmitter 13 is provided on one side of the electrical box 3, and a wireless induction receiver 14 is provided on the other side of the electrical box 3. A guide hole 15 is provided on one side of the movable seat 7, and the guide hole 15 is adapted to the guide rod 5. A screw sleeve 16 is fixedly connected through the other side of the movable seat 7, and the screw sleeve 16 is adapted to the reciprocating screw 6. During the rotation of the reciprocating screw 6, the screw sleeve 16 adapted to it can be driven to reciprocate, thereby prompting the detection unit to reciprocate for monitoring. Please refer to Figure 4 The wireless module 10 is wirelessly connected to the external terminal, and the external terminal has a built-in monitoring system. The monitoring system includes a monitoring unit, a positioning unit, a calculation unit and an alarm unit. The monitoring unit is connected to the monitoring device 1. The positioning unit constructs an overall building model and positions the monitoring device 1 on the model. The calculation unit is used to calculate the data received by the monitoring unit, and the alarm unit is used to issue an alarm based on the calculation result obtained by the calculation unit. The alarm includes a normal reminder, a deformation reminder, a danger reminder, and an evacuation reminder.

[0025] The working principle of the utility model is as follows: when in use, the monitoring device 1 is first installed on the wall 2, so that each wireless induction transmitter 13 corresponds to the adjacent wireless induction receiver 14, the motor 8 drives the reciprocating screw 6, and the reciprocating screw 6 drives the movable block 7 to move through the screw sleeve 16, thereby driving the ball 22 at the tip of the extrusion head 19 to roll on the wall 2 for monitoring. At this time, each monitoring device 1 is positioned by the positioning module 12, and the positioning unit is used to build an overall building positioning model in the monitoring system. When the wall 2 has a convex deformation, the ball 22 reversely squeezes the extrusion head 19, thereby prompting the second spring 27 to contract, thereby driving the movable cavity 20 to approach the pressure sensor 17, thereby prompting the extrusion head 19 to squeeze on the pressure sensor 1 7, and squeezes the slider 25 through the first spring 26, so as to apply pressure to the pressure sensor 17 for monitoring. When the monitoring system is running, it is divided into: when the pressure sensor 17 is not exposed to pressure, the alarm unit makes a normal reminder; when the pressure sensor 17 is under pressure, the alarm unit makes a deformation reminder; when the pressure sensor is subjected to pressure within a safe range, the alarm unit makes a danger reminder; when the pressure sensor is subjected to pressure beyond the safe range, the alarm unit makes an evacuation reminder; at the same time, when the wireless induction transmitter 13 and the wireless induction receiver 14 cannot receive, the alarm unit makes a danger reminder. When the alarm is triggered, the positioning unit marks the abnormal monitoring device on the building model, so as to facilitate the staff to find the abnormal position in time for maintenance.

[0026] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A building deformation monitoring device, characterized in that: The monitoring device comprises an electrical box (3) and a fixed seat (4); a reciprocating screw (6) is provided between the electrical box (3) and the fixed seat (4); a mobile monitoring probe (1) is installed on the reciprocating screw (6); a motor (8) is provided in the electrical box (3); one end of the reciprocating screw (6) is inserted into the electrical box (3) and fixedly installed with the output end of the motor (8); the other end is rotatably installed in the fixed seat (4); the mobile monitoring probe (1) comprises a mobile seat (7) threadedly connected to the reciprocating screw (6); a mounting cavity (18) is provided on the mobile seat (7); a pressure sensor (1) is fixedly connected to the bottom of the mounting cavity (18); 7), the signal of the pressure sensor (17) is outputted via wired or wireless communication; an extrusion head (19) adapted thereto is installed on the upper part of the installation cavity (18), the bottom of the extrusion head (19) is connected to the bottom of the installation cavity (18) via a second spring (27), a pressing block (21) is provided at one end of the extrusion head (19) adjacent to the pressure sensor (17), the pressing block (21) and the pressure sensor (17) are arranged correspondingly and adapted to each other; one end of the extrusion head (19) away from the pressure sensor (17) extends out of the installation cavity (18), and a spherical groove is provided at the end, and a ball (22) adapted thereto is provided in the spherical groove.

2. A building deformation monitoring device according to claim 1, characterized in that: The monitoring device is fixed on the surface of the building via an electrical box (3) and a fixing seat (4), the reciprocating screw rod (6) is parallel to the surface of the building, and the ball (22) of the extrusion head (19) is in contact with the surface of the building.

3. A building deformation monitoring device according to claim 1 or 2, characterized in that: The electrical box (3) is further provided with a PLC controller (9), a wireless module (10), a power module (11) and a positioning module (12); a wireless induction transmitter (13) is provided on one side of the electrical box (3); a wireless induction receiver (14) is provided on the other side of the electrical box (3); the wireless module (10) is wirelessly connected to an external terminal, and a monitoring system is built into the external terminal; the pressure sensor (17) is signal-connected to the PLC controller (9).

4. A building deformation monitoring device according to claim 1 or 2, characterized in that: An active cavity (20) is provided at one end of the extrusion head (19) adjacent to the pressure sensor (17), the pressing block (21) is arranged to penetrate in the active cavity (20), a slider (25) is fixedly connected to one end of the pressing block (21) located in the active cavity (20), the slider (25) is slidably connected in the active cavity (20), and a first spring (26) is provided between the slider (25) and the cavity bottom of the active cavity (20).

5. A building deformation monitoring device according to claim 1 or 2, characterized in that: One end of the extrusion head (19) extending out of the installation cavity (18) is arranged in a conical shape, the spherical groove is provided at the tip of the conical portion, a threaded gland (23) is provided on the outer side of the tip of the conical portion, a threaded connection seat (24) adapted to the threaded gland (23) is provided at the opening of the installation cavity (18), and the threaded gland (23) is threadedly connected to the threaded connection seat (24).

6. A building deformation monitoring device according to claim 1 or 2, characterized in that: A guide rod (5) parallel to the reciprocating screw rod (6) is provided between the electrical box (3) and the fixed seat (4); a guide hole (15) is provided on one side of the movable seat (7); the guide hole (15) is matched with the guide rod (5); the movable seat (7) is slidably connected with the guide rod (5) through the guide hole (15); a screw rod sleeve (16) is correspondingly provided on the movable seat (7); the screw rod sleeve (16) is matched with the reciprocating screw rod (6).

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