CN109990178B

CN109990178B - Network security laboratory monitoring system based on local area network

Info

Publication number: CN109990178B
Application number: CN201910221923.2A
Authority: CN
Inventors: 滕鑫鹏; 周伟; 李明岩; 谭振江; 孙宏宇
Original assignee: Jilin Normal University
Current assignee: Jilin Normal University
Priority date: 2019-03-22
Filing date: 2019-03-22
Publication date: 2020-09-18
Anticipated expiration: 2039-03-22
Also published as: CN109990178A

Abstract

The invention relates to a monitoring system, in particular to a network security laboratory monitoring system based on a local area network. Four angles departments of the lower extreme of main seat all are provided with and remove the wheel subassembly, rotate the seat and rotate the upper end of connecting at the main seat, and the rotating turret articulates to be connected on the rotating seat, and the control subassembly rotates the front end of connecting at the rotating turret, and power transmission subassembly fixed connection is in the left side of rotating turret, and control subassembly and power transmission subassembly meshing transmission, drive assembly fixed connection are on the rotating turret, drive assembly and power transmission subassembly meshing transmission.

Description

Network security laboratory monitoring system based on local area network

Technical Field

The invention relates to a monitoring system, in particular to a network security laboratory monitoring system based on a local area network.

Background

A typical television monitoring system mainly comprises five major components, namely front-end monitoring equipment, transmission equipment, and back-end storage, control and display equipment, wherein the back-end equipment can be further divided into central control equipment and sub-control equipment. The front-end equipment and the back-end equipment have various forming modes, and the connection between the front-end equipment and the back-end equipment can be realized by various modes such as cables, optical fibers, microwaves and the like.

Disclosure of Invention

The invention provides a network security laboratory monitoring system based on a local area network, which has the advantages that a monitoring component in the network security laboratory monitoring system can rotate relative to a rotating frame, the rotating frame can rotate relative to a rotating seat, and further, under the condition that the monitoring component does not need to rotate relative to the rotating frame by too large angle, the monitoring component can rotate relative to the rotating seat by a large angle, the monitoring range is larger, and the risk that a connecting wire is easy to break due to the fact that the monitoring component rotates relative to the rotating frame by too large angle is avoided.

The invention relates to a monitoring system, in particular to a network security laboratory monitoring system based on a local area network, which comprises a main seat, a movable wheel assembly, a rotating seat, a rotating frame, a monitoring assembly, a power transmission assembly and a driving assembly.

Four angles departments of the lower extreme of main seat all are provided with and remove the wheel subassembly, rotate the seat and rotate the upper end of connecting at the main seat, and the rotating turret articulates to be connected on the rotating seat, and the control subassembly rotates the front end of connecting at the rotating turret, and power transmission subassembly fixed connection is in the left side of rotating turret, and control subassembly and power transmission subassembly meshing transmission, drive assembly fixed connection are on the rotating turret, drive assembly and power transmission subassembly meshing transmission.

The main seat comprises a seat plate, a limiting convex block, a cylindrical shaft, a gear I, a speed reducing motor I, a supporting plate and connecting columns, the cylindrical shaft is fixedly connected to the middle position of the upper end of the seat plate, the limiting convex block is fixedly connected to the cylindrical shaft, the speed reducing motor I is fixedly connected to the right side of the lower end of the seat plate, an output shaft of the speed reducing motor I penetrates through the seat plate, the gear I is fixedly connected to an output shaft of the speed reducing motor I, the two connecting columns are fixedly connected to the lower end of the seat plate, and the.

The movable wheel assembly comprises a wheel seat, a steering engine and wheels, the lower end of the wheel seat is fixedly connected with the steering engine, and the wheels are fixedly connected to an output shaft of the steering engine; the four wheel seats are respectively and fixedly connected with four corners at the lower end of the seat board.

The rotating seat comprises a lantern ring, a hinged seat, a toothed ring, an extension plate, a rope and a vertical rod, the lantern ring is connected to the cylindrical shaft in a rotating mode, the lantern ring is located at the lower end of the limiting convex block, the outer ring of the lantern ring is fixedly connected with the toothed ring, the gear I is in meshed transmission with the toothed ring, the hinged seat is fixedly connected to the left end and the right end of the upper end of the lantern ring, the extension plate is fixedly connected to the left end of the lantern ring, the vertical rod is fixedly connected to the upper end of the extension plate, and the.

The rotating frame comprises two arm rods, two connecting seat plates and two buckle covers, the two arm rods are arranged on the left and right sides, the connecting seat plates are fixedly connected between the two arm rods, the buckle covers are fixedly connected to the upper ends of the connecting seat plates, and one ends of the two arm rods are hinged to the two hinged seats respectively.

The monitoring component comprises a camera, a camera head seat, limiting rings, a gear II and a shaft rod, the upper end of the camera head seat is fixedly connected with the camera, the left end and the right end of the camera head seat are fixedly connected with the shaft rod, the outer ends of the two shaft rods are respectively connected with the front ends of the two arm rods in a rotating mode, the outer ends of the two shaft rods are fixedly connected with the limiting rings, the two limiting rings are respectively attached to the outer sides of the two arm rods, and the gear II is fixedly connected to the left end of the shaft rod at the left end.

The power transmission assembly comprises a horizontal sliding rod, an upper rack, a horizontal sliding rod sliding seat and a lower rack, the horizontal sliding rod sliding seat is fixedly connected to an arm rod located on the left side, the upper end of the horizontal sliding rod sliding seat is slidably connected with the horizontal sliding rod, the upper end of the horizontal sliding rod is fixedly connected with the upper rack, the lower end of the horizontal sliding rod is fixedly connected with the lower rack, and the gear II is in meshed transmission with the lower rack.

The drive assembly comprises a motor frame, a motor II, a gear III and a rope coiling disc, the motor frame is fixedly connected to the upper end of the connecting seat plate, the motor II is fixedly connected to the upper end of the motor frame, the rope coiling disc and the gear III are sequentially and fixedly connected to the output shaft of the motor II from left to right, the gear III is meshed with the upper rack for transmission, and the lower end of the rope is fixedly connected to the rope coiling disc.

The middle of the rope coiling disc is thin, and the two ends of the rope coiling disc are thick.

The network security laboratory monitoring system based on the local area network has the beneficial effects that:

the monitoring assembly can rotate relative to the rotating frame, and the rotating frame can rotate relative to the rotating seat, so that the monitoring assembly can rotate by a larger angle relative to the rotating seat under the condition that the monitoring assembly does not need to rotate by a larger angle relative to the rotating frame, the monitoring range is larger, and the risk that a connecting wire is easy to break due to the fact that the monitoring assembly rotates by a larger angle relative to the rotating frame is avoided.

Drawings

The invention is described in further detail below with reference to the accompanying drawings and specific embodiments.

FIG. 1 is a schematic diagram of an overall structure of a network security laboratory monitoring system based on a local area network according to the present invention;

FIG. 2 is a schematic diagram of the overall structure of a network security laboratory monitoring system based on a local area network according to the present invention;

FIG. 3 is a first schematic structural view of the main base;

FIG. 4 is a second schematic structural view of the main seat;

FIG. 5 is a schematic structural view of a moving wheel assembly;

FIG. 6 is a schematic structural view of the rotary base;

FIG. 7 is a schematic structural view of a turret;

FIG. 8 is a schematic structural diagram of a monitoring assembly;

FIG. 9 is a first schematic structural view of the power transmission assembly;

FIG. 10 is a second schematic structural view of the power transmission assembly;

fig. 11 is a schematic structural diagram of a driving assembly.

In the figure: a main base 1; a seat plate 1-1; 1-2 of a limiting bump; 1-3 of a cylindrical shaft; gear I1-4; a reduction motor I1-5; 1-6 of a supporting plate; 1-7 of connecting columns; a moving wheel assembly 2; 2-1 of a wheel seat; 2-2 of a steering engine; 2-3 of wheels; a rotating base 3; a lantern ring 3-1; a hinge base 3-2; 3-3 of a toothed ring; 3-4 of a lengthened plate; 3-5 of ropes; 3-6 parts of a vertical rod; a rotating frame 4; an arm 4-1; the connecting seat plate 4-2; 4-3 of a buckle cover; a monitoring component 5; 5-1 of a camera; a camera head seat 5-2; 5-3 of a limiting ring; gear II 5-4; 5-5 parts of a shaft lever; a power transmission assembly 6; a horizontal sliding rod 6-1; an upper rack 6-2; a horizontal sliding rod sliding seat 6-3; a lower rack 6-4; a drive assembly 7; a motor frame 7-1; motor II 7-2; gear III 7-3; and a rope coiling disc 7-4.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

The first embodiment is as follows:

the embodiment is described below with reference to fig. 1 to 11, and the invention relates to a monitoring system, and more specifically to a network security laboratory monitoring system based on a local area network, which includes a main base 1, a movable wheel assembly 2, a rotating base 3, a rotating frame 4, a monitoring assembly 5, a power transmission assembly 6 and a driving assembly 7, wherein the monitoring assembly 5 in the invention can rotate relative to the rotating frame 4, and the rotating frame 4 can rotate relative to the rotating base 3, so that under the condition that the monitoring assembly 5 does not need to rotate relative to the rotating frame 4 by too large angle, the monitoring assembly 5 can rotate relative to the rotating base 3 by a large angle, the monitoring range is larger, and the risk that a connection wire is easily broken due to the too large rotating angle of the monitoring assembly 5 relative to the rotating frame 4 is avoided.

Four angle departments of the lower extreme of main seat 1 all are provided with and remove wheel subassembly 2, rotate 3 upper ends of rotating the seat and connecting at main seat 1, the articulated connection of rotating turret 4 is on rotating seat 3, monitoring subassembly 5 rotates the front end of connecting at rotating

turret

4, 6 fixed connection of power transmission subassembly are in the left side of rotating turret 4, monitoring subassembly 5 and the transmission of 6 meshing of power transmission subassembly, 7 fixed connection of drive subassembly are on rotating turret 4, drive subassembly 7 and the transmission of 6 meshing of power transmission subassembly.

The second embodiment is as follows:

referring to fig. 1-11, the main seat 1 includes a seat plate 1-1, a limit protrusion 1-2, and a cylindrical shaft 1-3, the novel seat plate comprises a gear I1-4, a speed reducing motor I1-5, supporting plates 1-6 and connecting columns 1-7, a cylindrical shaft 1-3 is fixedly connected to the middle position of the upper end of a seat plate 1-1, a limiting bump 1-2 is fixedly connected to the cylindrical shaft 1-3, the speed reducing motor I1-5 is fixedly connected to the right side of the lower end of the seat plate 1-1, an output shaft of the speed reducing motor I1-5 penetrates through the seat plate 1-1, a gear I1-4 is fixedly connected to the output shaft of the speed reducing motor I1-5, two connecting columns 1-7 are fixedly connected to the lower end of the seat plate 1-1, and the supporting plates 1-6 are detachably connected between. The supporting plates 1-6 can be disassembled, and the upper ends of the supporting plates 1-6 are used for placing batteries and controlling a circuit control board of the four moving wheel assemblies 2. When the gear motor I1-5 rotates, the gear I1-4 can be driven to rotate.

The third concrete implementation mode:

the embodiment is described below with reference to fig. 1 to 11, wherein the moving wheel assembly 2 includes a wheel base 2-1, a steering gear 2-2 and wheels 2-3, the lower end of the wheel base 2-1 is fixedly connected with the steering gear 2-2, and the output shaft of the steering gear 2-2 is fixedly connected with the wheels 2-3; the four wheel seats 2-1 are respectively and fixedly connected with four corners at the lower end of the seat board 1-1. The steering engine 2-2 can drive the wheels 2-3 to rotate, and the main seat 1 can be controlled to move and turn by controlling the rotating directions of the four wheels 2-3 or controlling whether the four wheels 2-3 rotate.

The fourth concrete implementation mode:

in the following, referring to fig. 1-11, the rotary seat 3 comprises a collar 3-1, a hinge seat 3-2, a gear ring 3-3, the rope fixing device comprises lengthened plates 3-4, ropes 3-5 and vertical rods 3-6, a lantern ring 3-1 is rotatably connected to a cylindrical shaft 1-3, the lantern ring 3-1 is located at the lower end of a limiting bump 1-2, a toothed ring 3-3 is fixedly connected to the outer ring of the lantern ring 3-1, a gear I1-4 is in meshing transmission with the toothed ring 3-3, hinged seats 3-2 are fixedly connected to the left end and the right end of the upper end of the lantern ring 3-1, the lengthened plates 3-4 are fixedly connected to the left end of the lantern ring 3-1, the vertical rods 3-6 are fixedly connected to the upper ends of the lengthened plates 3-4, and one end of the rope 3-5 is fixedly connected to the upper ends of. When the gear I1-4 is driven by the speed reduction motor I1-5 to rotate, the gear ring 3-3 and the lantern ring 3-1 can be driven to rotate by taking the axis of the cylindrical shaft 1-3 as a shaft, and the rotating position of the monitoring assembly 5 is further controlled.

The fifth concrete implementation mode:

the embodiment is described below with reference to fig. 1-11, the rotating frame 4 includes two arm levers 4-1, two connecting seat boards 4-2 and two buckle covers 4-3, the two arm levers 4-1 are arranged on the left and right, the connecting seat board 4-2 is fixedly connected between the two arm levers 4-1, the buckle cover 4-3 is fixedly connected to the upper end of the connecting seat board 4-2, and one ends of the two arm levers 4-1 are respectively hinged on the two hinge seats 3-2. The two arm rods 4-1 can rotate on the two hinge seats 3-2 respectively, and the lower ends of the buckle covers 4-3 are used for placing a circuit control board and a power supply to provide power for the monitoring assembly 5.

The sixth specific implementation mode:

the embodiment is described below with reference to fig. 1 to 11, where the monitoring component 5 includes a camera 5-1, a camera head seat 5-2, a limiting ring 5-3, a gear II5-4, and a shaft rod 5-5, the upper end of the camera head seat 5-2 is fixedly connected with the camera 5-1, both left and right ends of the camera head seat 5-2 are fixedly connected with the shaft rod 5-5, outer ends of the two shaft rods 5-5 are respectively rotatably connected to front ends of the two arm rods 4-1, outer ends of the two shaft rods 5-5 are respectively fixedly connected with the limiting ring 5-3, the two limiting rings 5-3 are respectively attached to outer sides of the two arm rods 4-1, and the left end of the shaft rod 5-5 located at the left end is fixedly connected with the gear II 5-4. The two shaft levers 5-5 can rotate at the front ends of the two arm levers 4-1 respectively by taking the axes of the two shaft levers as axes, so that the camera 5-1 rotates by taking the axes of the two shaft levers 5-5 as axes, the direction of the camera 5-1 is changed, and different directions are monitored. The two arm rods 4-1 can rotate on the two hinged seats 3-2 respectively, the camera 5-1 can also rotate by taking the axes of the two shaft rods 5-5 as a shaft, and further, under the condition that the monitoring component 5 does not need to rotate relative to the rotating frame 4 by too large angle, the monitoring component 5 can rotate relative to the rotating seat 3 by a large angle, the monitoring range is larger, and the risk that the connecting lead is easy to break due to the fact that the monitoring component 5 rotates relative to the rotating frame 4 by too large angle is avoided.

The seventh embodiment:

the embodiment is described below with reference to fig. 1 to 11, the power transmission assembly 6 includes a horizontal sliding rod 6-1, an upper rack 6-2, a horizontal sliding rod sliding seat 6-3 and a lower rack 6-4, the horizontal sliding rod sliding seat 6-3 is fixedly connected to an arm 4-1 located on the left side, the upper end of the horizontal sliding rod sliding seat 6-3 is slidably connected with the horizontal sliding rod 6-1, the upper end of the horizontal sliding rod 6-1 is fixedly connected with the upper rack 6-2, the lower end of the horizontal sliding rod 6-1 is fixedly connected with the lower rack 6-4, and a gear II5-4 is in meshing transmission with the lower rack 6-4. The horizontal sliding rod 6-1 can slide back and forth at the upper end of the horizontal sliding rod sliding seat 6-3, and the upper rack 6-2 and the lower rack 6-4 can slide along with the horizontal sliding rod 6-1.

The specific implementation mode is eight:

the embodiment is described below with reference to fig. 1 to 11, the driving assembly 7 includes a motor frame 7-1, a motor II7-2, a gear III7-3 and a rope reel 7-4, the upper end of the connecting seat plate 4-2 is fixedly connected with the motor frame 7-1, the upper end of the motor frame 7-1 is fixedly connected with a motor II7-2, an output shaft of the motor II7-2 is fixedly connected with the rope reel 7-4 and the gear III7-3 sequentially from left to right, the gear III7-3 is in meshing transmission with the upper rack 6-2, and the lower end of the rope 3-5 is fixedly connected to the rope reel 7-4. When the motor II7-2 rotates, the gear III7-3 and the rope reel 7-4 can be driven to rotate by taking the axis of the output shaft of the motor II7-2 as an axis, when the gear III7-3 rotates, the gear II5-4 can be driven to rotate by the gear III 352-4 and the horizontal sliding rod 6-1, when the gear III7-3 slides, the gear II5-4 can be driven to rotate, the camera 5-1 is driven to rotate by taking the axes of the two shaft levers 5-5 as axes, the direction of the camera 5-1 is changed, and when the rope reel 7-4 rotates, the rope 3-5 can be wound or unwound; when the camera 5-1 rotates upwards and is lifted, the rope coiling disc 7-4 coils the rope 3-5, and the rotating frame 4 and the camera 5-1 can rotate and lift simultaneously; when the camera 5-1 rotates downwards to be put down, the rope coiling disc 7-4 releases the rope 3-5, the rotating frame 4 and the camera 5-1 can rotate simultaneously to be put down, and then the monitoring component 5 can rotate by a larger angle relative to the rotating seat 3 under the condition that the monitoring component 5 does not need to rotate by a larger angle relative to the rotating frame 4, so that the monitoring range is larger, and the risk that the connecting lead is easy to break due to the fact that the monitoring component 5 rotates by a larger angle relative to the rotating frame 4 is avoided.

The specific implementation method nine:

the present embodiment will be described with reference to fig. 1 to 11, wherein the rope reel 7 to 4 has a thin middle and thick ends. The rope 3-5 is prevented from being detached from the rope reel 7-4.

The working principle of the invention is as follows: the supporting plates 1-6 can be disassembled, and the upper ends of the supporting plates 1-6 are used for placing batteries and controlling a circuit control board of the four moving wheel assemblies 2. When the gear motor I1-5 rotates, the gear I1-4 can be driven to rotate. The steering engine 2-2 can drive the wheels 2-3 to rotate, and the main seat 1 can be controlled to move and turn by controlling the rotating directions of the four wheels 2-3 or controlling whether the four wheels 2-3 rotate. When the gear I1-4 is driven by the speed reduction motor I1-5 to rotate, the gear ring 3-3 and the lantern ring 3-1 can be driven to rotate by taking the axis of the cylindrical shaft 1-3 as a shaft, and the rotating position of the monitoring assembly 5 is further controlled. The two arm rods 4-1 can rotate on the two hinge seats 3-2 respectively, and the lower ends of the buckle covers 4-3 are used for placing a circuit control board and a power supply to provide power for the monitoring assembly 5. The two shaft levers 5-5 can rotate at the front ends of the two arm levers 4-1 respectively by taking the axes of the two shaft levers as axes, so that the camera 5-1 rotates by taking the axes of the two shaft levers 5-5 as axes, the direction of the camera 5-1 is changed, and different directions are monitored. The two arm rods 4-1 can rotate on the two hinged seats 3-2 respectively, the camera 5-1 can also rotate by taking the axes of the two shaft rods 5-5 as a shaft, and further, under the condition that the monitoring component 5 does not need to rotate relative to the rotating frame 4 by too large angle, the monitoring component 5 can rotate relative to the rotating seat 3 by a large angle, the monitoring range is larger, and the risk that the connecting lead is easy to break due to the fact that the monitoring component 5 rotates relative to the rotating frame 4 by too large angle is avoided. The horizontal sliding rod 6-1 can slide back and forth at the upper end of the horizontal sliding rod sliding seat 6-3, and the upper rack 6-2 and the lower rack 6-4 can slide along with the horizontal sliding rod 6-1. When the motor II7-2 rotates, the gear III7-3 and the rope reel 7-4 can be driven to rotate by taking the axis of the output shaft of the motor II7-2 as an axis, when the gear III7-3 rotates, the gear II5-4 can be driven to rotate by the gear III 352-4 and the horizontal sliding rod 6-1, when the gear III7-3 slides, the gear II5-4 can be driven to rotate, the camera 5-1 is driven to rotate by taking the axes of the two shaft levers 5-5 as axes, the direction of the camera 5-1 is changed, and when the rope reel 7-4 rotates, the rope 3-5 can be wound or unwound; when the camera 5-1 rotates upwards and is lifted, the rope coiling disc 7-4 coils the rope 3-5, and the rotating frame 4 and the camera 5-1 can rotate and lift simultaneously; when the camera 5-1 rotates downwards to be put down, the rope coiling disc 7-4 releases the rope 3-5, the rotating frame 4 and the camera 5-1 can rotate simultaneously to be put down, and then the monitoring component 5 can rotate by a larger angle relative to the rotating seat 3 under the condition that the monitoring component 5 does not need to rotate by a larger angle relative to the rotating frame 4, so that the monitoring range is larger, and the risk that the connecting lead is easy to break due to the fact that the monitoring component 5 rotates by a larger angle relative to the rotating frame 4 is avoided.

It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and that various changes, modifications, additions and substitutions which are within the spirit and scope of the present invention and which may be made by those skilled in the art are also within the scope of the present invention.

Claims

1. The utility model provides a network security laboratory monitored control system based on LAN, includes main seat (1), removes round subassembly (2), rotates seat (3), rotating turret (4), control subassembly (5), power transmission subassembly (6) and drive assembly (7), its characterized in that: the four corners of the lower end of the main seat (1) are respectively provided with a movable wheel assembly (2), the rotating seat (3) is rotatably connected to the upper end of the main seat (1), the rotating frame (4) is hinged to the rotating seat (3), the monitoring assembly (5) is rotatably connected to the front end of the rotating frame (4), the power transmission assembly (6) is fixedly connected to the left side of the rotating frame (4), the monitoring assembly (5) is in meshing transmission with the power transmission assembly (6), the driving assembly (7) is fixedly connected to the rotating frame (4), and the driving assembly (7) is in meshing transmission with the power transmission assembly (6);

the rotating frame (4) comprises an arm rod (4-1), a connecting seat plate (4-2) and a buckle cover (4-3); the monitoring component (5) comprises a camera (5-1) and a camera head seat (5-2), the camera comprises limiting rings (5-3), gears II (5-4) and shaft levers (5-5), cameras (5-1) are fixedly connected to the upper ends of the camera head bases (5-2), the shaft levers (5-5) are fixedly connected to the left end and the right end of the camera head bases (5-2), the outer ends of the two shaft levers (5-5) are rotatably connected to the front ends of the two arm levers (4-1) respectively, the limiting rings (5-3) are fixedly connected to the outer ends of the two shaft levers (5-5), the two limiting rings (5-3) are attached to the outer sides of the two arm levers (4-1) respectively, and the gear II (5-4) is fixedly connected to the left end of the shaft lever (5-5) located at the left end.

2. The local area network-based network security laboratory monitoring system according to claim 1, characterized in that: the main seat (1) comprises a seat plate (1-1), a limiting bump (1-2), a cylindrical shaft (1-3), a gear I (1-4), a speed reducing motor I (1-5), a supporting plate (1-6) and connecting columns (1-7), the cylindrical shaft (1-3) is fixedly connected at the middle position of the upper end of the seat plate (1-1), the limiting bump (1-2) is fixedly connected on the cylindrical shaft (1-3), the speed reducing motor I (1-5) is fixedly connected on the right side of the lower end of the seat plate (1-1), an output shaft of the speed reducing motor I (1-5) penetrates through the seat plate (1-1), the gear I (1-4) is fixedly connected on an output shaft of the speed reducing motor I (1-5), and the two connecting columns (1-7) are fixedly connected at the lower end of the seat plate (1, a supporting plate (1-6) is detachably connected between the two connecting columns (1-7).

3. The local area network-based network security laboratory monitoring system according to claim 2, characterized in that: the movable wheel assembly (2) comprises a wheel seat (2-1), a steering engine (2-2) and wheels (2-3), the steering engine (2-2) is fixedly connected to the lower end of the wheel seat (2-1), and the wheels (2-3) are fixedly connected to an output shaft of the steering engine (2-2); the four wheel seats (2-1) are respectively and fixedly connected with four corners at the lower end of the seat board (1-1).

4. The local area network-based network security laboratory monitoring system of claim 3, wherein: the rotating seat (3) comprises a lantern ring (3-1), a hinged seat (3-2), a gear ring (3-3), a lengthened plate (3-4), a rope (3-5) and a vertical rod (3-6), the lantern ring (3-1) is rotatably connected to the cylindrical shaft (1-3), the lantern ring (3-1) is located at the lower end of the limiting bump (1-2), the outer ring of the lantern ring (3-1) is fixedly connected with the gear ring (3-3), a gear I (1-4) is in meshing transmission with the gear ring (3-3), the left end and the right end of the upper end of the lantern ring (3-1) are fixedly connected with the hinged seat (3-2), the left end of the lantern ring (3-1) is fixedly connected with the lengthened plate (3-4), the upper end of the lengthened plate (3-4) is fixedly connected with the vertical rod (3-6), one end of the rope (3-5) is fixedly connected with the upper end of the vertical rod (3-6).

5. The local area network-based network security laboratory monitoring system according to claim 4, characterized in that: the left arm rod (4-1) and the right arm rod (4-1) are provided with two, a connecting seat plate (4-2) is fixedly connected between the two arm rods (4-1), the upper end of the connecting seat plate (4-2) is fixedly connected with a buckle cover (4-3), and one end of each of the two arm rods (4-1) is hinged to the two hinged seats (3-2) respectively.

6. The local area network-based network security laboratory monitoring system according to claim 5, characterized in that: the power transmission assembly (6) comprises a horizontal sliding rod (6-1), an upper rack (6-2), a horizontal sliding rod sliding seat (6-3) and a lower rack (6-4), the horizontal sliding rod sliding seat (6-3) is fixedly connected to an arm rod (4-1) on the left side, the upper end of the horizontal sliding rod sliding seat (6-3) is slidably connected with the horizontal sliding rod (6-1), the upper end of the horizontal sliding rod (6-1) is fixedly connected with the upper rack (6-2), the lower end of the horizontal sliding rod (6-1) is fixedly connected with the lower rack (6-4), and a gear II (5-4) is in meshing transmission with the lower rack (6-4).

7. The local area network-based network security laboratory monitoring system of claim 6, wherein: the driving assembly (7) comprises a motor frame (7-1), a motor II (7-2), a gear III (7-3) and a rope coiling disc (7-4), the upper end of the connecting seat plate (4-2) is fixedly connected with the motor frame (7-1), the upper end of the motor frame (7-1) is fixedly connected with the motor II (7-2), an output shaft of the motor II (7-2) is sequentially and fixedly connected with the rope coiling disc (7-4) and the gear III (7-3) from left to right, the gear III (7-3) is meshed with the upper rack (6-2) for transmission, and the lower end of the rope (3-5) is fixedly connected onto the rope coiling disc (7-4).

8. The local area network-based network security laboratory monitoring system of claim 7, wherein: the middle of the rope coiling disc (7-4) is thin, and the two ends are thick.