A monitoring device based on the Internet of Things

Abstract

The present invention discloses a monitoring device based on the Internet of Things, which relates to the technical field of monitoring devices, including a bottom plate, a fixing plate fixedly connected to the four corners of the side of the bottom plate, a mounting hole provided on the fixing plate, a pair of support plates fixedly connected to the bottom plate, a pair of light holes provided on the support plates, one side of the light holes fixedly connected to the sleeve plate, the bottom end of the sleeve plate fixedly connected to the bottom plate, a cavity provided inside the sleeve plate, a plug plate movably inserted inside the cavity, a top plate fixedly connected to the top of the plug plate, an arm plate provided on the top plate, and a pair of monitoring device bodies provided at the bottom of the other end of the arm plate. The present invention has a reasonable structure, the height of the plug plate is freely adjusted by an adjustment component, the angle of the arm plate is fixed by a limit component, and the shooting angle of the monitoring device body is synchronously adjusted by a control component.

Description

Technical Field

[0001] The present invention relates to the technical field of monitoring equipment, and in particular to a monitoring equipment based on the Internet of Things. Background Art

[0002] Monitoring equipment is widely used in modern society. They play an important role in improving security, management efficiency and convenience of life. The following are some specific roles to improve security. Monitoring equipment can monitor the surrounding environment in real time, record the situation on the scene, effectively prevent crimes such as theft and robbery, protect the safety of life and property, and remotely monitor. Through Internet technology, users can remotely access monitoring equipment anytime and anywhere to understand the situation at home or in the office, which is convenient for timely detection of abnormal situations and continuous monitoring. The monitoring system can monitor the target 24 hours a day, provide comprehensive security, and prevent crime. Through the monitoring system, abnormal situations can be detected and recorded in time, effectively preventing the occurrence of criminal acts.

[0003] However, most of the existing monitoring equipment is installed on the wall or the ground, and the monitoring equipment is installed by expansion bolts. However, most of the monitoring equipment installed on the ground is installed by fixing rods, and the height of the monitoring equipment cannot be adjusted according to different usage environments. In addition, the shooting angle of most monitoring equipment is adjusted manually, so the shooting angle is limited. Summary of the invention

[0004] The purpose of this application is to provide a monitoring device based on the Internet of Things, which realizes the free adjustment of the height of the plug board through the adjustment component, then fixes the angle of the arm plate through the limit component, and then synchronously adjusts the shooting angle of the monitoring device body through the control component.

[0005] To achieve the above-mentioned purpose, the present application provides the following technical solutions: a monitoring device based on the Internet of Things, comprising a base plate, a fixing plate fixedly connected to the four corners of the side of the base plate, a mounting hole being provided on the fixing plate, a pair of support plates fixedly connected to the base plate, a pair of support plates being provided with lightweight holes, one side of the lightweight holes being fixedly connected to a sleeve plate, the bottom end of the sleeve plate being fixedly connected to the base plate, a cavity being provided inside the sleeve plate, a plug-in plate being movably inserted inside the cavity, a top plate being fixedly connected to the top of the plug-in plate, an arm plate being provided on the top plate, and a pair of monitoring device bodies being provided at the bottom position of the other end of the arm plate; it also comprises an adjustment component, a limit component and a control component, the adjustment component being provided on the sleeve plate to fix the height of the plug-in plate, the limit component being installed on the top of the top plate to cooperate with the arm plate for use, and the control component being installed on the arm plate to adjust the shooting angle of the monitoring device body.

[0006] Preferably, the adjustment assembly includes a first shaft seat fixedly mounted on both sides of the top end of the plug plate, a driven rod is fixedly connected to the first shaft seat, a limiting ring is fixedly connected to the bottom end of the driven rod, a sliding seat is slidably connected to the driven rod, and one side of the sliding seat is fixedly connected to the side surface of the sleeve plate.

[0007] Preferably, the bottom end of the top plate is fixedly connected to a limiting plate, the bottom end of the limiting plate is fixedly connected to a baffle, a control seat is fixedly installed on the surface of the sleeve plate, a through groove is provided inside the control seat, the bottom end of the limiting plate is slidably connected inside the through groove, a pair of second shaft seats are fixedly connected to the top position of the control seat, and round holes are provided on the pair of second shaft seats.

[0008] Preferably, a movable groove is provided on the control seat, a slider is slidably connected inside the movable groove, one side of the slider is fixedly connected to a clamp, an arc groove is provided on the top surface of the clamp, an eccentric shaft is attached to the inner wall of the arc groove, a paddle is fixedly connected to the outer surface of the eccentric shaft, and both ends of the eccentric shaft are fixedly connected to rotating shafts, which are rotatably connected to the inside of the circular hole.

[0009] Preferably, the limiting assembly includes a main shaft fixedly installed in the middle position of the top surface of the top plate, a limiting plate is fixedly connected to the main shaft, a plurality of group slots are provided on the edge of the top surface of the limiting plate, and an arm plate is rotatably connected to the top position of the main shaft, and a accommodating groove is provided on the arm plate.

[0010] Preferably, a pair of sliding rods are fixedly connected to the inner wall of the accommodating groove, a moving block is slidably connected to the pair of sliding rods, a round piece is fixedly connected to one side of the moving block, a spring is sleeved on the pair of sliding rods, and two ends of the spring are respectively fixedly connected to the inner wall of the accommodating groove and one side of the round piece.

[0011] Preferably, a clamping column is fixedly connected to the middle position of the bottom surface of the movable block, and the bottom end of the clamping column is movably inserted into one of the slots. A connecting seat is fixedly connected to one side of the movable block, and a pull rod is fixedly connected to the connecting seat.

[0012] Preferably, the control component includes a docking column fixedly installed at the bottom position of the other end of the arm plate, the bottom end of the docking column is fixedly connected to a frame plate, the bottom of the frame plate is symmetrically rotatably connected to a pair of adjustment columns, a pair of the adjustment columns are fixedly connected to a gear disk, and the bottom ends of the pair of adjustment columns are fixedly connected to the monitoring device body.

[0013] Preferably, a movable plate is provided in the middle position of the bottom surface of the frame plate, a sliding groove is opened on the movable plate, a positioning block is slidably connected to the inner wall of the sliding groove, the top of the positioning block is fixedly connected to the middle position of the bottom surface of the frame plate, and latch teeth are provided on both sides of the movable plate, and the latch teeth are engaged with the toothed disc.

[0014] Preferably, one end of the movable plate is fixedly connected to a docking seat, a push rod is fixedly connected to the docking seat, a first ring is sleeved on the top position of the push rod, a linkage plate is fixedly connected to the outer surface of the frame plate, a second ring is fixedly connected to the other end of the linkage plate, the second ring is sleeved on a pin, the top end of the pin is fixedly connected to a turntable, a transmission shaft is fixedly connected to the middle axis position of the turntable, the top end of the transmission shaft is rotatably connected to the arm plate, the top end of the transmission shaft is fixedly connected to the output end of the drive motor, and the drive motor is fixedly installed at the top position of the arm plate.

[0015] In summary, the present invention has the following beneficial effects:

[0016] The structure of the present invention is reasonable. When the height of the monitoring device body needs to be adjusted, the paddle is firstly toggled, and the rotating shaft on the eccentric shaft rotates inside the circular hole through the toggling of the paddle. The rotation of the rotating shaft causes the eccentric shaft and the inner wall of the arc groove to loosen, and then the friction between the bottom of the clamping plate and the limiting plate is reduced, and then the plugging plate is pulled upward, and the driven rod slides inside the sliding seat through the pulling of the plugging plate, thereby increasing the stability of the movement of the plugging plate. After the position of the plugging plate is adjusted, the paddle is restored to its original position, so that the eccentric shaft is pressed on the clamping plate, so that the clamping plate clamps the limiting plate, and the height of the monitoring device body is fixed;

[0017] In the present invention, an arm plate is rotatably connected to the top position of the main shaft, a receiving groove is opened on the arm plate, and a sliding rod is fixedly connected inside the receiving groove, a moving block is slidably connected to the sliding rod, and a clamping column at the bottom end of the moving block is inserted into the inside of the clamping groove by the elastic force of a spring. When the arm plate is rotated, the pull rod is pulled, so that the moving block slides on the slide rod, so that the moving block squeezes the spring, so that the clamping column is easy to get out of the clamping groove, and then the arm plate is rotated to determine the direction, and the pull rod is released. The clamping column will move to the inside of the clamping groove by the elastic force of the spring, so that the position of the arm plate is fixed;

[0018] 3. In the present invention, when the monitoring device body is rotated, the driving motor is operated, and the operation of the driving motor facilitates the rotation of the transmission shaft, and the rotation of the transmission shaft facilitates the rotation of the turntable. A pin is fixedly connected to the turntable, and the rotation of the turntable drives the pin to rotate. The rotation of the pin pushes the push rod to move through the linkage plate, and the push rod is fixedly connected to the moving plate. The moving plate is made to slide by the movement of the push rod, so that the moving plate slides on the positioning block. The movement of the moving plate causes the latch teeth to drive the gear disk to rotate, so that the monitoring device body at the bottom of the adjustment column is rotated to adjust the shooting angle. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without paying any creative work.

[0020] Figure 1 It is a schematic diagram of the three-dimensional structure of the monitoring device body;

[0021] Figure 2 It is a schematic diagram of the three-dimensional structure of the monitoring device body;

[0022] Figure 3 It is a schematic diagram of the three-dimensional structure of a local section of the sleeve plate;

[0023] Figure 4 It is a schematic diagram of the three-dimensional structure of the control seat;

[0024] Figure 5 This is a schematic diagram of the three-dimensional structure of the top plate when viewed from above;

[0025] Figure 6 It is a schematic diagram of the three-dimensional structure of the arm plate from a top view;

[0026] Figure 7 This is a schematic diagram of the three-dimensional structure of the arm plate when viewed from above;

[0027] Figure 8 for Figure 6 Enlarged structural diagram at A in the middle.

[0028] In the figure: 1, bottom plate; 101, fixed plate; 102, mounting hole; 103, support plate; 104, lightweight hole; 105, sleeve plate; 106, cavity; 107, plug plate; 108, top plate; 109, arm plate; 110, monitoring device body; 2, first shaft seat; 201, driven rod; 202, limit ring; 203, slide seat; 204, limit plate; 205, baffle; 206, control seat; 207, through groove; 208, second shaft seat; 209, round hole; 3, movable groove; 301, slider; 302, clamping plate; 303, arc groove; 304, eccentric shaft; 305, paddle; 306, rotating Axis; 4, main shaft; 401, limit plate; 402, slot; 403, receiving groove; 404, slide rod; 405, moving block; 406, disc; 407, spring; 408, clamping column; 409, connecting seat; 410, pull rod; 5, docking column; 501, shelf; 502, adjusting column; 503, gear plate; 504, moving plate; 505, slide groove; 506, positioning block; 507, clamping teeth; 508, docking seat; 509, push rod; 510, first ring; 511, linkage plate; 512, second ring; 513, pin; 514, turntable; 515, transmission shaft; 516, driving motor. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0030] Example: Reference Figure 1 - Figure 8 The monitoring device based on the Internet of Things shown in the figure comprises a bottom plate 1, a fixing plate 101 is fixedly connected to the four corners of the side of the bottom plate 1, a mounting hole 102 is provided on the fixing plate 101, a pair of supporting plates 103 is fixedly connected to the bottom plate 1, a pair of supporting plates 103 is provided with a light hole 104, one side of the light hole 104 is fixedly connected to a sleeve plate 105, the bottom end of the sleeve plate 105 is fixedly connected to the bottom plate 1, a cavity 106 is provided inside the sleeve plate 105, and a plug plate 107 is movably inserted inside the cavity 106 The top of the plug plate 107 is fixedly connected to a top plate 108, an arm plate 109 is arranged on the top plate 108, and a pair of monitoring device bodies 110 are arranged at the bottom position of the other end of the arm plate 109; it also includes an adjustment component, a limit component and a control component. The adjustment component is arranged on the sleeve plate 105 to fix the height of the plug plate 107, the limit component is installed on the top of the top plate 108 to cooperate with the arm plate 109, and the control component is installed on the arm plate 109 to adjust the shooting angle of the monitoring device body 110.

[0031] Specifically, it should be noted that the monitoring device body 110 and the drive motor 516 are electrically connected to the control unit through wires, and the specific working principles therebetween are referenced through the existing technology and will not be elaborated on here. The operation of the monitoring device body 110 facilitates monitoring of the area, and the operation of the drive motor 516 facilitates free adjustment of the shooting angle of the monitoring device body 110.

[0032] As an implementation method in this embodiment, the adjustment component includes a first shaft seat 2 fixedly installed on both sides of the top of the plug plate 107, a driven rod 201 is fixedly connected to the first shaft seat 2, a limit ring 202 is fixedly connected to the bottom end of the driven rod 201, a slide seat 203 is slidably connected to the driven rod 201, one side of the slide seat 203 is fixedly connected to the side of the sleeve plate 105, a limit plate 204 is fixedly connected to the bottom end of the top plate 108, a baffle 205 is fixedly connected to the bottom end of the limit plate 204, a control seat 206 is fixedly installed on the surface of the sleeve plate 105, a through groove 207 is opened inside the control seat 206, and the bottom end of the limit plate 204 slides The control seat 206 is movably connected to the inside of the through groove 207, and a pair of second shaft seats 208 are fixedly connected to the top position of the control seat 206. A round hole 209 is opened on the pair of second shaft seats 208, and a movable groove 3 is opened on the control seat 206. A slider 301 is slidably connected to the inside of the movable groove 3. One side of the slider 301 is fixedly connected to the clamping plate 302. An arc groove 303 is opened on the top surface of the clamping plate 302. An eccentric shaft 304 is attached to the inner wall of the arc groove 303. A paddle 305 is fixedly connected to the outer surface of the eccentric shaft 304. The two ends of the eccentric shaft 304 are fixedly connected to the rotating shaft 306, and the rotating shaft 306 is rotatably connected to the inside of the round hole 209.

[0033] Specifically, when it is necessary to adjust the height of the monitoring device body 110, the paddle 305 is first moved, and the movement of the paddle 305 causes the rotating shaft 306 on the eccentric shaft 304 to rotate inside the circular hole 209. The rotation of the rotating shaft 306 causes the eccentric shaft 304 to loosen the inner wall of the arc groove 303, and then the friction between the bottom of the clamping plate 302 and the limit plate 204 is reduced, and then the plug plate 107 is pulled upward, and the pull of the plug plate 107 causes the driven rod 201 to slide inside the sliding seat 203, thereby increasing the stability of the movement of the plug plate 107. After adjusting the position of the plug plate 107, the paddle 305 is restored to its original position, thereby facilitating the eccentric shaft 304 to squeeze the clamping plate 302, so that the clamping plate 302 clamps the limit plate 204, and the height of the monitoring device body 110 is fixed.

[0034] As an implementation method in this embodiment, the limiting assembly includes a main shaft 4 fixedly installed at the middle position of the top surface of the top plate 108, a limiting plate 401 is fixedly connected to the main shaft 4, a plurality of groups of card slots 402 are provided on the edge of the top surface of the limiting plate 401, an arm plate 109 is rotatably connected to the top position of the main shaft 4, a receiving groove 403 is provided on the arm plate 109, a pair of slide bars 404 are fixedly connected to the inner wall of the receiving groove 403, and a moving block 405 is slidably connected to the pair of slide bars 404. A disc 406 is fixedly connected to one side of the moving block 405, a spring 407 is sleeved on a pair of sliding rods 404, and both ends of the spring 407 are fixedly connected to the inner wall of the accommodating groove 403 and one side of the disc 406 respectively. A clamping column 408 is fixedly connected to the middle position of the bottom surface of the moving block 405, and the bottom end of the clamping column 408 is movably inserted into one of the clamping grooves 402. A connecting seat 409 is fixedly connected to one side of the moving block 405, and a pull rod 410 is fixedly connected to the connecting seat 409.

[0035] Specifically, an arm plate 109 is rotatably connected to the top position of the main shaft 4, a receiving groove 403 is opened on the arm plate 109, and a slide rod 404 is fixedly connected inside the receiving groove 403, a moving block 405 is slidably connected to the slide rod 404, and a clamping column 408 at the bottom end of the moving block 405 is inserted into the inside of the clamping groove 402 by the elastic force of a spring 407. When the arm plate 109 is rotated, the pull rod 410 is pulled to facilitate the sliding of the moving block 405 on the slide rod 404, so that the moving block 405 squeezes the spring 407, thereby facilitating the clamping column 408 to disengage from the clamping groove 402, and then the arm plate 109 is rotated to determine the orientation, and then the pull rod 410 is released, and the clamping column 408 will move to the inside of the clamping groove 402 by the elastic force of the spring 407, thereby facilitating the position of the arm plate 109.

[0036] As an implementation method in this embodiment, the control component includes a docking column 5 fixedly installed at the bottom position of the other end of the arm plate 109, the bottom end of the docking column 5 is fixedly connected to a frame plate 501, the bottom of the frame plate 501 is symmetrically rotatably connected to a pair of adjusting columns 502, a pair of adjusting columns 502 are fixedly connected to a gear disk 503, the bottom ends of the pair of adjusting columns 502 are fixedly connected to a monitoring device body 110, a moving plate 504 is provided in the middle position of the bottom surface of the frame plate 501, a slide groove 505 is provided on the moving plate 504, a positioning block 506 is slidably connected to the inner wall of the slide groove 505, the top of the positioning block 506 is fixedly connected to the middle position of the bottom surface of the frame plate 501, and teeth 507 are provided on both sides of the moving plate 504, and the teeth 507 and the gear disk 503 are meshed with each other, one end of the movable plate 504 is fixedly connected with a docking seat 508, and a push rod 509 is fixedly connected to the docking seat 508, and a first ring 510 is sleeved on the top position of the push rod 509, and a linkage plate 511 is fixedly connected to the outer surface of the frame plate 501, and the other end of the linkage plate 511 is fixedly connected with a second ring 512, and the second ring 512 is sleeved on the pin 513, and the top of the pin 513 is fixedly connected to the turntable 514, and the middle axis position of the turntable 514 is fixedly connected with a transmission shaft 515, and the top end of the transmission shaft 515 is rotatably connected to the arm plate 109, and the top end of the transmission shaft 515 is fixedly connected to the output end of the drive motor 516, and the drive motor 516 is fixedly installed at the top position of the arm plate 109.

[0037] Specifically, when the monitoring device body 110 is rotated, the driving motor 516 is operated, and the operation of the driving motor 516 facilitates the rotation of the transmission shaft 515, and the rotation of the transmission shaft 515 facilitates the rotation of the turntable 514. The pin 513 is fixedly connected to the turntable 514, and the rotation of the turntable 514 drives the pin 513 to rotate. The rotation of the pin 513 pushes the push rod 509 to move through the linkage plate 511, and the push rod 509 is fixedly connected to the moving plate 504. The movement of the push rod 509 makes the moving plate 504 slide, so that the moving plate 504 slides on the positioning block 506. The movement of the moving plate 504 causes the latch tooth 507 to drive the toothed disc 503 to rotate, so that the monitoring device body 110 at the bottom of the adjustment column 502 is rotated to adjust the shooting angle.

[0038] Working principle of the present invention: when it is necessary to adjust the height of the monitoring device body 110, firstly, the paddle 305 is toggled, and the rotating shaft 306 on the eccentric shaft 304 is rotated inside the circular hole 209 by the toggling of the paddle 305, and the eccentric shaft 304 and the inner wall of the arc groove 303 are loosened by the rotation of the rotating shaft 306, and then the friction between the bottom of the clamping plate 302 and the limiting plate 204 is reduced, and then the plug plate 107 is pulled upward, and the driven rod 201 is made to slide inside the sliding seat 203 by the pulling of the plug plate 107, so as to increase the stability of the movement of the plug plate 107, and then the paddle 305 is restored to its original position after the position of the plug plate 107 is adjusted, so as to facilitate the eccentric shaft 304 to squeeze the clamping plate 302, so that the clamping plate 302 clamps the limiting plate 204, and the height of the monitoring device body 110 is fixed;

[0039] The arm plate 109 is rotatably connected to the top position of the main shaft 4, and a receiving groove 403 is opened on the arm plate 109, and a sliding rod 404 is fixedly connected inside the receiving groove 403, and a moving block 405 is slidably connected to the sliding rod 404, and a clamping column 408 at the bottom end of the moving block 405 is inserted into the inside of the clamping groove 402 by the elastic force of the spring 407. When the arm plate 109 is rotated, the pull rod 410 is pulled to facilitate the sliding of the moving block 405 on the sliding rod 404, so that the moving block 405 squeezes the spring 407, so that the clamping column 408 is convenient to be separated from the clamping groove 402, and then the arm plate 109 is rotated. After the orientation is determined, the pull rod 410 is released, and the clamping column 408 will move to the inside of the clamping groove 402 by the elastic force of the spring 407, so as to facilitate the position of the arm plate 109.

[0040] When the monitoring device body 110 is rotated, the driving motor 516 is operated. The operation of the driving motor 516 facilitates the rotation of the transmission shaft 515. The rotation of the transmission shaft 515 facilitates the rotation of the turntable 514. The pin 513 is fixedly connected to the turntable 514. The rotation of the turntable 514 drives the pin 513 to rotate. The rotation of the pin 513 pushes the push rod 509 to move through the linkage plate 511. The push rod 509 is fixedly connected to the moving plate 504. The moving plate 504 slides through the movement of the push rod 509, so that the moving plate 504 slides on the positioning block 506. The movement of the moving plate 504 causes the latch tooth 507 to drive the toothed disc 503 to rotate, so that the monitoring device body 110 at the bottom of the adjustment column 502 is rotated to adjust the shooting angle.

[0041] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments or to 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 should be included in the protection scope of the present invention.

Claims

1. A monitoring device based on the Internet of Things, comprising a base plate (1), characterized in that: The four corners of the side of the bottom plate (1) are fixedly connected to a fixing plate (101), the fixing plate (101) is provided with a mounting hole (102), the bottom plate (1) is fixedly connected to a pair of supporting plates (103), the pair of supporting plates (103) are provided with a lightweight hole (104), one side of the lightweight hole (104) is fixedly connected to a sleeve plate (105), the bottom end of the sleeve plate (105) is fixedly connected to the bottom plate (1), the sleeve plate (105) is provided with a cavity (106), an inserting plate (107) is movably inserted into the cavity (106), the top end of the inserting plate (107) is fixedly connected to a top plate (108), an arm plate (109) is provided on the top plate (108), and a pair of monitoring device bodies (110) are provided at the bottom of the other end of the arm plate (109); It also includes an adjustment component, a limit component and a control component, wherein the adjustment component is arranged on the sleeve plate (105) to fix the height of the plug plate (107), the limit component is installed on the top of the top plate (108) to cooperate with the arm plate (109), and the control component is installed on the arm plate (109) to adjust the shooting angle of the monitoring device body (110); The bottom end of the top plate (108) is fixedly connected to a limit plate (204), the bottom end of the limit plate (204) is fixedly connected to a baffle (205), a control seat (206) is fixedly mounted on the surface of the sleeve plate (105), a through groove (207) is provided inside the control seat (206), the bottom end of the limit plate (204) is slidably connected inside the through groove (207), a pair of second shaft seats (208) are fixedly connected at the top position of the control seat (206), and a round hole (209) is provided on the pair of second shaft seats (208); The control seat (206) is provided with a movable groove (3), a slider (301) is slidably connected inside the movable groove (3), one side of the slider (301) is fixedly connected to the clamping plate (302), the top surface of the clamping plate (302) is provided with an arc groove (303), an eccentric shaft (304) is attached to the inner wall of the arc groove (303), a paddle (305) is fixedly connected to the outer surface of the eccentric shaft (304), and both ends of the eccentric shaft (304) are fixedly connected to a rotating shaft (306), and the rotating shaft (306) is rotatably connected to the inside of the circular hole (209); The limiting assembly comprises a main shaft (4) fixedly mounted at a middle position of the top surface of the top plate (108); a limiting plate (401) is fixedly connected to the main shaft (4); a plurality of groups of slots (402) are provided at the edge of the top surface of the limiting plate (401); an arm plate (109) is rotatably connected to the top position of the main shaft (4); and a receiving slot (403) is provided on the arm plate (109); A pair of sliding rods (404) are fixedly connected to the inner wall of the accommodating groove (403), a moving block (405) is slidably connected to the pair of sliding rods (404), a round piece (406) is fixedly connected to one side of the moving block (405), a spring (407) is sleeved on the pair of sliding rods (404), and two ends of the spring (407) are respectively fixedly connected to the inner wall of the accommodating groove (403) and one side of the round piece (406); A clamping column (408) is fixedly connected to the middle of the bottom surface of the moving block (405), and the bottom end of the clamping column (408) is movably inserted into one of the clamping slots (402). A connecting seat (409) is fixedly connected to one side of the moving block (405), and a pull rod (410) is fixedly connected to the connecting seat (409); The control assembly comprises a docking column (5) fixedly mounted at the bottom position of the other end of the arm plate (109); the bottom end of the docking column (5) is fixedly connected to a frame plate (501); the bottom of the frame plate (501) is symmetrically rotatably connected to a pair of adjustment columns (502); a toothed disc (503) is fixedly connected to the pair of adjustment columns (502); and the bottom ends of the pair of adjustment columns (502) are fixedly connected to the monitoring device body (110); A movable plate (504) is arranged at the middle of the bottom surface of the frame plate (501), a slide groove (505) is provided on the movable plate (504), a positioning block (506) is slidably connected to the inner wall of the slide groove (505), the top of the positioning block (506) is fixedly connected to the middle of the bottom surface of the frame plate (501), and latch teeth (507) are arranged on both sides of the movable plate (504), and the latch teeth (507) are meshed with the toothed disc (503); One end of the movable plate (504) is fixedly connected to a docking seat (508), a push rod (509) is fixedly connected to the docking seat (508), a first ring (510) is sleeved on the top of the push rod (509), a linkage plate (511) is fixedly connected to the outer surface of the frame plate (501), a second ring (512) is fixedly connected to the other end of the linkage plate (511), the second ring (512) is sleeved on a pin (513), the top of the pin (513) is fixedly connected to a rotating disk (514), a transmission shaft (515) is fixedly connected to the middle axis of the rotating disk (514), the top of the transmission shaft (515) is rotatably connected to the arm plate (109), the top of the transmission shaft (515) is fixedly connected to the output end of a driving motor (516), and the driving motor (516) is fixedly mounted on the top of the arm plate (109).

2. The monitoring device based on the Internet of Things according to claim 1, characterized in that: The adjustment assembly comprises a first shaft seat (2) fixedly mounted on both sides of the top end of the plug plate (107), a driven rod (201) being fixedly connected to the first shaft seat (2), a limit ring (202) being fixedly connected to the bottom end of the driven rod (201), a slide seat (203) being slidably connected to the driven rod (201), and one side of the slide seat (203) being fixedly connected to a side surface of the sleeve plate (105).

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