Independent drowning person autonomous identification system based on visual perception

Abstract

The invention discloses a visual perception-based independent drowning person autonomous identification system, which comprises a mounting bottom frame, the top of the mounting bottom frame is fixedly connected with an anti-seismic protection plate, and the top of the anti-seismic protection plate is fixedly provided with an identification storage box with a standby storage battery. The front side of the recognition storage box is rotationally connected with an access door through a hinge, the side face of the recognition storage box is rotationally connected with a side opening door through a driving end, the inner wall of the recognition storage box is fixedly connected with a stabilizing frame, a cavity is formed in the stabilizing frame, and a driving motor is fixedly installed on the inner wall of the cavity. Through cooperation of the above structures, the wide-angle camera in the storage state is moved out by arranging an internal driving control structure of the recognition storage box, rapid recognition and calling rescue of people falling into water are achieved, and the efficiency and safety of water rescue are improved; and the large-range irradiation safety camera shooting sensing effect of people falling into water in rivers and the like is ensured.

Description

Technical Field

[0001] The present invention relates to the technical field of rescue for drowning persons, and specifically to an independent autonomous recognition system for drowning persons based on visual perception. Background Art

[0003] Since most people accidentally fall into the water at existing waterways such as riversides and cannot be detected and rescued in time, they will be in danger. Therefore, it is necessary to set up visual perception vigilant devices at positions such as river channels to monitor the riverside and remind pedestrians to stay away from the river. If pedestrians who are not paying attention cannot be reminded in time, it may cause adverse consequences, bringing certain adverse effects to actual use. Therefore, improvements are needed. Summary of the Invention

[0004] The purpose of the present invention is to provide an independent autonomous recognition system for drowning persons based on visual perception, which has the advantages of moving out a wide-angle camera in the storage state by setting an internal drive control structure of the recognition storage box, realizing rapid recognition and calling for rescue of drowning persons, and improving the efficiency and safety of water rescue, bringing certain favorable effects to actual use, and solving the problems raised in the above background art.

[0005] To achieve the above purpose, the present invention provides the following technical solution: An independent autonomous recognition system for drowning persons based on visual perception, including a mounting chassis, the top of the mounting chassis is fixedly connected with a seismic protection plate, the top of the seismic protection plate is fixedly installed with a recognition storage box with a backup battery, the front side of the recognition storage box is rotatably connected with a maintenance door through a hinge, the side of the recognition storage box is rotatably connected with a side door through a drive end, the inner wall of the recognition storage box is fixedly connected with a stabilizing frame, a cavity is opened inside the stabilizing frame, a drive motor is fixedly installed on the inner wall of the cavity, the output end of the drive motor is fixedly connected with a driving bevel gear, the inner wall of the cavity is rotatably connected with a threaded rotating rod through a bearing, one end of the threaded rotating rod is fixedly connected with a driven bevel gear, the surface of the driven bevel gear is meshed and connected with the surface of the driving bevel gear, a threaded sleeve plate is threadedly connected to the surface of the threaded rotating rod, one end of the threaded sleeve plate is fixedly connected with a pushing plate, a limiting telescopic rod is fixedly connected between the surface of the pushing plate and the side of the stabilizing frame, the side of the pushing plate is fixedly connected with a rear frame plate, an electric cylinder is fixedly installed on the rear side of the rear frame plate through a bracket, the output end of the electric cylinder is fixedly connected with a pushing clamping plate, the surface of the pushing clamping plate is clamped with an anti-vibration connecting frame, and a wide-angle camera with an intelligent recognition module is rotatably connected to the inside of the anti-vibration connecting frame through a drive end, and a far spotlight is fixedly installed on the top of the wide-angle camera.

[0006] Preferably, the main body of the installation chassis is an L-shaped frame plate. A bidirectional threaded rod is rotatably connected to the inside of the installation chassis through a bearing. Different threaded surfaces of the bidirectional threaded rod are respectively threadedly connected with adapted moving threaded sleeve plates. A limiting component is connected to the top of the moving threaded sleeve plate. A connection card slot is opened at the bottom of the moving threaded sleeve plate. A fitting clamping seat is clamped on the inner wall of the connection card slot, and the surface of the fitting clamping seat and the inner wall of the connection card slot are connected by a screw.

[0007] Preferably, the limiting component includes a limiting plate and a limiting groove. The limiting plate is fixedly connected to the top of the moving threaded sleeve plate. The limiting groove is opened on the top inner wall of the installation chassis. The inner wall of the limiting groove and the surface of the limiting plate are slidably connected.

[0008] Preferably, an inner groove is opened at the rear side of the installation chassis, and a magnetic adsorption backing plate is fixedly installed on the inner wall of the inner groove.

[0009] Preferably, a shock-absorbing telescopic rod with a shock-absorbing spring is fixedly installed on the top of the identification storage box. A magnetic adsorption card slot is opened at the top of the shock-absorbing telescopic rod. An outer cover frame plate is clamped on the inner wall of the magnetic adsorption card slot.

[0010] Preferably, a buffer cushion plate is fixedly connected to the top of the outer cover frame plate, and a rain and sun protection plate is fixedly connected to the top of the buffer cushion plate.

[0011] Preferably, the number of wide-angle cameras on a single push plate is two, and the two wide-angle cameras are connected in the up-and-down direction on the side surface of the push plate.

[0012] Preferably, a bottom support plate is fixedly connected to the bottom of the inner wall of the identification storage box. A T-shaped sliding groove is opened at the bottom of the inner wall of the bottom support plate. A constraint moving plate is fixedly connected to the bottom of the push plate. A T-shaped sliding plate is fixedly connected to the bottom of the constraint moving plate. The surface of the T-shaped sliding plate and the inner wall of the T-shaped sliding groove are slidably connected.

[0013] Preferably, a support guiding plate is fixedly connected to the side surface of the stabilizing frame near its bottom. A support guiding groove is opened on the left side of the constraint moving plate. The inner wall of the support guiding groove and the surface of the support guiding plate are slidably connected.

[0014] Compared with the prior art, the beneficial effects of the present invention are:

[0015] 1. In the present invention, the installed mounting chassis can be applied near the high places of rivers such as bridges. The bidirectional threaded rod on the mounting chassis can be rotated. Under the limiting setting of the limiting component, the rotation of the bidirectional threaded rod can drive the moving threaded sleeve plate thereon to move, and the two moving threaded sleeve plates can move in opposite directions, so as to realize the moving of the fitting clamping seats on the two moving threaded sleeve plates in the opposite direction, and the magnetic attraction clamping restraint of the external connection structure can be controlled for the two fitting clamping seats. Through the connection card slot, fitting clamping seats of different sizes can be replaced to achieve the fitting positioning effect. And a magnetic attraction back plate is arranged at the rear side of the mounting chassis for fitting attachment, so that multi-sided and multi-point restraint of the mounting chassis on the external connection structure can be realized;

[0016] 2. In the present invention, the wide-angle camera is stored inside the set identification storage box. The opened side door can be opened backward under the control of the driving end. Then, when the driving motor operates, it can drive the active bevel gear to rotate. The rotation of the active bevel gear can drive the driven bevel gear to rotate. The rotation of the driven bevel gear can drive the threaded rotating rod to rotate. Under the restraint of the limiting telescopic rod, the movement track of the pushing plate can be limited, so that the pushing plate can move in the left and right directions. Because a bottom support plate is arranged at the bottom of the inner wall of the identification storage box to support the bottom of the pushing plate, the pushed pushing plate can use the T-shaped sliding plate under the restraint moving plate to move in the T-shaped sliding groove, playing the role of supporting, guiding and preventing tilting. Through the setting of the support guiding plate and the support guiding groove, the smooth connection of the lower wide surface of the pushing plate for moving in and out is enhanced. The electric cylinder on the rear frame plate of the moved-out pushing plate can drive the pushing clamping plate. The pushing clamping plate can be connected to the anti-shake connection frame and the wide-angle camera thereon. The four wide-angle cameras in the up, down, left and right directions can be used for large-range personnel identification and viewing. Under the action of the far spotlight, it can be irradiated at night to ensure clarity, ensuring the large-range irradiation and safety camera perception effect of the fallen personnel in rivers and other places;

[0017] 3. In the present invention, a shock-absorbing telescopic rod is arranged at the top of the set identification storage box for relieving the impact of falling objects and rainwater from above. The outer cover frame plate is installed in the magnetic attraction card slot at the top of the shock-absorbing telescopic rod, which can protect the top of the identification storage box. And the buffer cushion plate arranged at the top of the outer cover frame plate can perform pre-unloading of force, and the rain and sunshade plate can cope with the weather above, so as to extend the service life of the autonomous identification system. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a schematic structural view of the present invention;

[0019] Figure 2 is a front sectional view of the present invention;

[0020] Figure 3It is the front elevation sectional view of the mounting chassis in the present invention;

[0021] Figure 4 It is the front elevation sectional view of the outer cover frame plate in the present invention;

[0022] Figure 5 It is the structural schematic diagram of the wide-angle camera in the present invention;

[0023] Figure 6 It is the enlarged view of part A in the present invention;

[0024] Figure 7 It is the enlarged view of part B in the present invention.

[0025] In the figure: 1, mounting chassis; 2, earthquake-resistant protection plate; 3, identification storage box; 4, inspection door; 5, side opening door; 6, stabilizing frame; 7, drive motor; 8, driving bevel gear; 9, threaded rotating rod; 10, driven bevel gear; 11, threaded sleeve plate; 12, pushing plate; 13, limit telescopic rod; 14, rear frame plate; 15, electric cylinder; 16, pushing clamping plate; 17, anti-sway connecting frame; 18, wide-angle camera; 19, far spotlight; 20, bidirectional threaded rod; 21, moving threaded sleeve plate; 22, connecting card slot; 23, fitting clamping seat; 24, limiting plate; 25, limiting groove; 26, magnetic attraction backing plate; 27, shock-absorbing telescopic rod; 28, magnetic attraction card slot outer cover frame plate; 29, outer cover frame plate; 30, buffer backing plate; 31, rain and sun protection plate; 32, bottom support plate; 33, T-shaped sliding groove; 34, constraint moving plate; 35, T-shaped sliding plate; 36, support guiding plate; 37, support guiding groove. Detailed implementation manners

[0026] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0027] Example 1 Please refer to Figures 1-7, the present invention provides a technical solution: an independent self-identifying system for drowning persons based on visual perception, including an installation chassis 1. A seismic protection plate 2 is fixedly connected to the top of the installation chassis 1. An identification storage box 3 with a backup battery is fixedly installed on the top of the seismic protection plate 2. A maintenance door 4 is rotatably connected to the front side of the identification storage box 3 through a hinge. A side door 5 is rotatably connected to the side of the identification storage box 3 through a driving end. A stabilizing frame 6 is fixedly connected to the inner wall of the identification storage box 3. A cavity is formed inside the stabilizing frame 6. A driving motor 7 is fixedly installed on the inner wall of the cavity. The output end of the driving motor 7 is fixedly connected to a driving bevel gear 8. A threaded rotating rod 9 is rotatably connected to the inner wall of the cavity through a bearing. One end of the threaded rotating rod 9 is fixedly connected to a driven bevel gear 10. The surface of the driven bevel gear 10 is meshed and connected with the surface of the driving bevel gear 8. A threaded sleeve plate 11 is threadedly connected to the surface of the threaded rotating rod 9. One end of the threaded sleeve plate 11 is fixedly connected to a pushing plate 12. A limiting telescopic rod 13 is fixedly connected between the surface of the pushing plate 12 and the side of the stabilizing frame 6. A rear frame plate 14 is fixedly connected to the side of the pushing plate 12. An electric cylinder 15 is fixedly installed on the rear side of the rear frame plate 14 through a bracket. The output end of the electric cylinder 15 is fixedly connected to a pushing clamping plate 16. A wide-angle camera 18 with an intelligent identification module is clamped on the surface of the pushing clamping plate 16. A far spotlight 19 is fixedly installed on the top of the wide-angle camera 18.

[0028] Embodiment 2: Please refer to Figures 1-7, the difference between this embodiment and Embodiment 1 is that the main body of the installation chassis 1 is an L-shaped frame plate. A bidirectional threaded rod 20 is rotatably connected to the inside of the installation chassis 1 through a bearing. Movable threaded sleeve plates 21 adapted to each other are respectively threadedly connected to different threaded surfaces of the bidirectional threaded rod 20. A limiting component is connected to the top of the movable threaded sleeve plate 21. A connection slot 22 is opened at the bottom of the movable threaded sleeve plate 21. A fitting clamping seat 23 is clamped to the inner wall of the connection slot 22, and the surface of the fitting clamping seat 23 and the inner wall of the connection slot 22 are connected by a screw. The limiting component includes a limiting plate 24 and a limiting groove 25. The limiting plate 24 is fixedly connected to the top of the movable threaded sleeve plate 21. The limiting groove 25 is opened at the top of the inner wall of the installation chassis 1. The inner wall of the limiting groove 25 and the surface of the limiting plate 24 are slidably connected. By operating the rotation of the bidirectional threaded rod 20 on the installation chassis 1, through the settings of the limiting plate 24 and the limiting groove 25, the movement track of the movable threaded sleeve plate 21 is limited, so that the rotation of the bidirectional threaded rod 20 can drive the movable threaded sleeve plate 21 thereon to move, and the two movable threaded sleeve plates 21 can move in opposite directions, realizing the opposite movement of the fitting clamping seats 23 on the two movable threaded sleeve plates 21, and the magnetic attraction clamping restraint of the external connection structure can be controlled. Different sizes of fitting clamping seats 23 can be replaced through the connection slot 22 to achieve the fitting positioning effect.

[0029] Furthermore, an inner groove is opened at the rear side of the installation chassis 1. A magnetic attraction backing plate 26 is fixedly installed on the inner wall of the inner groove. By adding a magnetic attraction backing plate 26 at the rear side of the installation chassis 1 for fitting and attachment, multi-sided and multi-point restraint of the installation chassis 1 on the external connection structure can be realized.

[0030] Embodiment 3: Please refer to Figures 1-7 , the difference between this embodiment and Embodiment 1 is that the number of wide-angle cameras 18 on a single push plate 12 is two, and the two wide-angle cameras 18 are connected to the side of the push plate 12 in the up-and-down direction. The four wide-angle cameras 18 in the up-down-left-right directions can be used for large-range personnel identification and viewing.

[0031] Embodiment 4: Please refer to Figures 1-7, the difference between this embodiment and Embodiment 1 lies in that: a shock-absorbing telescopic rod 27 with shock-absorbing springs is fixedly installed at the top of the identification storage box 3. A magnetic attraction card slot 28 is opened at the top of the shock-absorbing telescopic rod 27, and an outer cover frame plate 29 is clamped to the inner wall of the magnetic attraction card slot 28. A buffer backing plate 30 is fixedly connected to the top of the outer cover frame plate 29, and a rain and sun protection plate 31 is fixedly connected to the top of the buffer backing plate 30. A shock-absorbing telescopic rod 27 is provided at the top of the identification storage box 3 to relieve the impact of falling objects and rainwater from above. The outer cover frame plate 29 is installed in the magnetic attraction card slot 28 at the top of the shock-absorbing telescopic rod 27, which can protect the top of the identification storage box 3. In addition, the buffer backing plate 30 provided at the top of the outer cover frame plate 29 can perform pre-loading to relieve the force, and the rain and sun protection plate 31 can cope with the weather above to extend the service life.

[0032] Furthermore, a bottom support plate 32 is fixedly connected to the bottom of the inner wall of the identification storage box 3. A T-shaped sliding groove 33 is opened at the bottom of the inner wall of the bottom support plate 32. A restraint moving plate 34 is fixedly connected to the bottom of the pushing plate 12, and a T-shaped sliding plate 35 is fixedly connected to the bottom of the restraint moving plate 34. The surface of the T-shaped sliding plate 35 is slidably connected to the inner wall of the T-shaped sliding groove 33. A support guiding plate 36 is fixedly connected to the side of the stabilizing frame 6 near its bottom. A support guiding groove 37 is opened on the left side of the restraint moving plate 34, and the surface of the support guiding plate 36 is slidably connected to the inner wall of the support guiding groove 37. Since the bottom support plate 32 is provided at the bottom of the inner wall of the identification storage box 3 to support the bottom of the pushing plate 12, the pushed pushing plate 12 can use the T-shaped sliding plate 35 below the restraint moving plate 34 to move in the T-shaped sliding groove 33, achieving the effect of supporting, guiding and preventing tilting. Through the arrangement of the support guiding plate 36 and the support guiding groove 37, the smooth connection and movement of the lower wide surface of the pushing plate 12 are enhanced.

[0033] Working principle: When this independent type of autonomous recognition system for fallen personnel based on visual perception is in use, an installation chassis 1 is provided, which can be applied to high positions near river channels such as bridges. The bidirectional threaded rod 20 on the installation chassis 1 can be rotated. Through the settings of the limit plate 24 and the limit groove 25, the movement trajectory of the moving threaded sleeve plate 21 is limited, so that the rotation of the bidirectional threaded rod 20 can drive the moving threaded sleeve plate 21 thereon to move, and the two moving threaded sleeve plates 21 can move in opposite directions, realizing the opposite movement of the fitting clamping seats 23 on the two moving threaded sleeve plates 21. The magnetic attraction clamping restraint of the external connection structure can be controlled for the two fitting clamping seats 23. Through the connection slot 22, the fitting clamping seats 23 of different sizes can be replaced to achieve the fitting positioning effect. And a magnetic attraction backing plate 26 is provided at the rear side of the installation chassis 1 for fitting attachment, which can realize the multi-sided and multi-point restraint of the installation chassis 1 on the external connection structure. When the wide-angle camera 18 needs to be used, the wide-angle camera 18 normally stored can be stored inside the recognition storage box 3. The opened side door 5 can be opened backward under the control of the driving end. Then, the driving motor 7 operates to drive the active bevel gear 8 to rotate. The rotation of the active bevel gear 8 can drive the driven bevel gear 10 to rotate. The rotation of the driven bevel gear 10 can drive the threaded rotating rod 9 to rotate. Under the restraint of the limit telescopic rod 13, the movement trajectory of the push plate 12 is limited, so that the push plate 12 can move in the left and right directions. Since a bottom support plate 32 is provided at the bottom of the inner wall of the recognition storage box 3 to support the bottom of the push plate 12, the pushed push plate 12 can move the T-shaped slide plate 35 below the restraint moving plate 34 in the T-shaped chute 33, playing the role of support, guiding and anti-tilting. Through the settings of the support guiding plate 36 and the support guiding groove 37, the smooth connection of the lower wide surface of the push plate 12 moving in and out is enhanced. A shock-absorbing telescopic rod 27 is provided at the top of the recognition storage box 3 for unloading the impact of falling objects and rainwater from above. The outer cover frame plate 29 is installed in the magnetic attraction card slot 28 at the top of the shock-absorbing telescopic rod 27 to protect the top of the recognition storage box 3. And the buffer cushion plate 30 provided at the top of the outer cover frame plate 29 can perform pre-unloading of force. The rain and sunshade plate 31 can respond to the weather above to extend the service life. When the electric cylinder 15 operates at the rear frame plate 14 of the moved push plate 12, it can drive the push card plate 16. The push card plate 16 can be connected to the anti-shake connection frame 17 and the wide-angle camera 18 thereon. The four wide-angle cameras 18 in the up, down, left and right directions can perform large-range personnel recognition and viewing. Under the action of the far spotlight 19, it can be irradiated at night to ensure clarity, ensuring the large-range irradiation and safety camera perception effect of fallen personnel in river channels and other places.

[0034] Although embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An independent autonomous recognition system for drowning persons based on visual perception, comprising a mounting chassis (1), the top of the mounting chassis (1) is fixedly connected with a seismic protection plate (2), and the top of the seismic protection plate (2) is fixedly installed with an identification storage box (3) with a backup battery, characterized in that: The front side of the identification storage box (3) is rotatably connected with a maintenance door (4) through a hinge. The side of the identification storage box (3) is rotatably connected with a side opening door (5) through a driving end. The inner wall of the identification storage box (3) is fixedly connected with a stabilizing frame (6). A cavity is formed inside the stabilizing frame (6). A driving motor (7) is fixedly installed on the inner wall of the cavity. The output end of the driving motor (7) is fixedly connected with a driving bevel gear (8). The inner wall of the cavity is rotatably connected with a threaded rotating rod (9) through a bearing. One end of the threaded rotating rod (9) is fixedly connected with a driven bevel gear (10). The surface of the driven bevel gear (10) is meshed and connected with the surface of the driving bevel gear (8). A threaded sleeve plate (11) is threadedly connected to the surface of the threaded rotating rod (9). One end of the threaded sleeve plate (11) is fixedly connected with a pushing plate (12). A limiting telescopic rod (13) is fixedly connected between the surface of the pushing plate (12) and the side of the stabilizing frame (6). The side of the pushing plate (12) is fixedly connected with a rear frame plate (14). An electric cylinder (15) is fixedly installed on the rear side of the rear frame plate (14) through a bracket. The output end of the electric cylinder (15) is fixedly connected with a pushing clamping plate (16). A non-slip connecting frame (17) is clamped on the surface of the pushing clamping plate (16). A wide-angle camera (18) with an intelligent identification module is rotatably connected inside the non-slip connecting frame (17) through a driving end. A far spotlight (19) is fixedly installed on the top of the wide-angle camera (18).

2. The independent type of drowning person autonomous recognition system based on visual perception according to claim 1, wherein: The main body of the installation base frame (1) is an L-shaped frame plate. A bidirectional threaded rod (20) is rotatably connected inside the installation base frame (1) through a bearing. Movable threaded sleeve plates (21) adapted to each other are respectively threadedly connected to different threaded surfaces of the bidirectional threaded rod (20). A limiting component is connected to the top of the movable threaded sleeve plate (21). A connecting card slot (22) is formed at the bottom of the movable threaded sleeve plate (21). A fitting clamping seat (23) is clamped on the inner wall of the connecting card slot (22), and the surface of the fitting clamping seat (23) and the inner wall of the connecting card slot (22) are connected by a screw.

3. The independent type of autonomous recognition system for fallen personnel based on visual perception according to claim 2, characterized in that: The limiting component includes a limiting plate (24) and a limiting groove (25). The limiting plate (24) is fixedly connected to the top of the movable threaded sleeve plate (21). The limiting groove (25) is formed on the top inner wall of the installation base frame (1). The inner wall of the limiting groove (25) is slidably connected to the surface of the limiting plate (24).

4. The independent type of drowning person autonomous recognition system based on visual perception according to claim 1, characterized in that: An inner groove is formed at the rear side of the installation base frame (1). A magnetic absorption backing plate (26) is fixedly installed on the inner wall of the inner groove.

5. The independent type of drowning person autonomous recognition system based on visual perception according to claim 1, characterized in that: A shock-absorbing telescopic rod (27) with a shock-absorbing spring is fixedly installed on the top of the identification storage box (3). A magnetic absorption card slot (28) is formed at the top of the shock-absorbing telescopic rod (27). An outer cover frame plate (29) is clamped on the inner wall of the magnetic absorption card slot (28).

6. The independent type of drowning person autonomous recognition system based on visual perception according to claim 5, characterized in that: The top of the outer cover frame plate (29) is fixedly connected with a buffer cushion plate (30). The top of the buffer cushion plate (30) is fixedly connected with a rain and sun protection plate (31).

7. An independent type of autonomous recognition system for fallen personnel based on visual perception according to claim 1, characterized in that: The number of wide-angle cameras (18) on a single push plate (12) is two, and the two wide-angle cameras (18) are connected vertically on the side surface of the push plate (12).

8. An independent drowning person autonomous recognition system based on visual perception according to claim 1, characterized in that: A bottom support plate (32) is fixedly connected to the bottom of the inner wall of the identification storage box (3). A T-shaped sliding groove (33) is formed in the bottom of the inner wall of the bottom support plate (32). A constraint moving plate (34) is fixedly connected to the bottom of the push plate (12). A T-shaped sliding plate (35) is fixedly connected to the bottom of the constraint moving plate (34). The surface of the T-shaped sliding plate (35) is slidably connected to the inner wall of the T-shaped sliding groove (33).

9. The independent type of drowning person autonomous recognition system based on visual perception according to claim 8, characterized in that: A support guiding plate (36) is fixedly connected to the side surface of the stabilizing frame (6) near its bottom. A support guiding groove (37) is formed in the left side of the constraint moving plate (34). The inner wall of the support guiding groove (37) is slidably connected to the surface of the support guiding plate (36).

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