A fire helmet detection device

Abstract

The utility model discloses a fire helmet detection device, including a workbench, second support columns are fixedly connected at the positions of the four end corners of the lower end of the workbench, first support columns are arranged on both sides of the upper end of the workbench, and a detection mechanism is arranged at the upper end of the workbench and in the middle of the two first support columns. The fire helmet detection device provided by the utility model is designed by the structural coordination of the two first support columns, the moving mechanism and the connecting mechanism, so that when the position of the detection mechanism needs to be moved, the positions of the two first support columns can be moved by the coordination of the moving mechanism and the connecting mechanism, the position of the detection mechanism can be driven to move by the movement of the two first support columns, and the quality detection of different positions on the fire helmet can be performed by the movement of the connecting mechanism, thereby improving the practicality of the overall device.

Description

Technical Field

[0001] The utility model relates to the technical field of fire detection devices, in particular to a fire helmet detection device. Background Art

[0002] Firefighters often encounter various dangers during firefighting, so they need various firefighting equipment to protect themselves and avoid dangers during firefighting. Among them, firefighting helmets are extremely important firefighting protective equipment for firefighters. They must be quality inspected before use to prevent unqualified quality, which will endanger the lives of firefighters.

[0003] Referring to a fire-fighting equipment detection device with announcement number CN217716857U, the patent records as follows: After the helmet is replaced, the impact force of the downward movement of the downward pressure head also needs to be adjusted to a certain extent. The card plate is pushed to move the movable rod upward. After the movable rod moves upward, it can extend the counterweight block out of the counterweight slot, and then the counterweight block on the movable rod can be removed, or the counterweight block can be installed on the movable rod, and then the spring resets to move the movable rod and the counterweight block downward, and then the impact force of the downward movement of the downward pressure head is adjusted, so that it can adapt to different helmet detection.

[0004] However, during the implementation process, the applicant found that the patent had the following problems:

[0005] The detection device in this patent cannot adjust the position of the fire helmet quality inspection during use, and cannot be moved when it is necessary to inspect the helmet at different angles, thereby reducing the practicality of the overall device.

[0006] Therefore, it is necessary to propose a fire helmet detection device to solve the above-mentioned technical problems and provide a new technical solution. Utility Model Content

[0007] Based on this, it is necessary to provide a fire helmet detection device to address the above technical problems. Through the structural coordination design of the two first support columns, the moving mechanism and the connecting mechanism, when the position of the detection mechanism needs to be moved, the positions of the two first support columns can be moved through the coordination of the moving mechanism and the connecting mechanism. The movement of the two first support columns can drive the position of the detection mechanism to move. The movement of the connecting mechanism can perform quality inspections on different positions on the fire helmet, thereby improving the practicability of the overall device.

[0008] In order to solve the above technical problems, the utility model adopts the following technical solutions.

[0009] The fire helmet detection device specifically includes a protective plate and a workbench. Second support columns are fixedly connected at the four end corners of the lower end of the workbench, first support columns are arranged on both sides of the upper end of the workbench, a detection mechanism is arranged at the upper end of the workbench and in the middle of the two first support columns, second slide grooves corresponding to the first support columns are opened on both sides of the workbench, a moving mechanism is arranged in the middle of the lower end of the workbench, a connecting mechanism is arranged at the lower end of the workbench and at a position corresponding to the detection mechanism, and a fixing mechanism is arranged in the middle of the upper end of the workbench.

[0010] As a preferred embodiment of the fire helmet detection device provided by the utility model, the moving mechanism includes a first motor, which is fixedly connected to the middle part of one end of the lower end of the workbench, and the output end of the first motor is fixedly connected to a first screw, and the end of the first screw away from the first motor is rotatably connected to a first bearing, and the end of the first bearing away from the first screw is fixedly connected to a fixed block, and the fixed block is fixedly connected to the workbench.

[0011] As a preferred embodiment of the fire helmet detection device provided by the utility model, the connecting mechanism includes a first connecting column, the first connecting column is at the lower end position of the workbench, the first connecting column is threadedly connected to the first screw, both sides of the upper end of the first connecting column are fixedly connected with a first slider, both sides of the lower end of the workbench and at the position corresponding to the first slider are provided with a third slide groove, the first slide groove is slidably connected to the third slide groove, both sides of the first connecting column are fixedly connected with a first connecting block, the first connecting block corresponds to the position of the second slide groove, the first connecting block is slidably connected to the second slide groove, the upper end of the first connecting block extends from the position of the second slide groove to the upper end of the workbench and is fixedly connected to the first supporting column, the first connecting block is fixedly connected with the second slider on both sides located inside the second slide groove, the first slide groove is provided at both sides inside the second slide groove and at the position corresponding to the second slider, and the second slider is slidably connected to the first slide groove.

[0012] As a preferred embodiment of the fire helmet detection device provided by the utility model, the detection mechanism includes a second connecting column, a middle part of the second connecting column is fixedly connected to an impact resistance detection component, a middle part of one side of the second connecting column is fixedly connected to a first round rod, the first round rod is rotatably connected to the first support column on the same side, and a second round rod is fixedly connected to the middle part of the other side of the second connecting column, an end of the second round rod away from the second connecting column passes through the first support column on the same side and extends to the outer side of the first support column away from the second connecting column and is fixedly connected to a second gear, the second gear is rotatably connected to the first support column on the same side, the lower end of the second gear is meshed with a third gear, a second motor is arranged on the side of the third gear close to the first support column, an installation groove is opened at the position of the first support column corresponding to the second motor, the second motor is fixedly connected to the installation groove, and the output end of the second motor is fixedly connected to the third gear.

[0013] As a preferred embodiment of the fire helmet detection device provided by the utility model, the fixing mechanism includes a base, a first notch is opened in the middle of the base, a third motor is fixedly connected to the middle of the first notch, the output ends on both sides of the third motor are fixedly connected to the second screw, the end of the second screw away from the third motor is rotatably connected to the second bearing, the second bearing is fixedly connected to the inside of the first notch, a second connecting block is arranged inside the first notch and located on the outside of the second screw, the second connecting block is slidably connected to the inside of the socket, the second connecting block is threadedly connected to the second screw, the third connecting blocks are fixedly connected to both sides of the second connecting block, a fourth sliding groove is opened on both sides of the first notch and at the position corresponding to the third connecting block, the two third connecting blocks extend from the position of the fourth sliding groove to the outside of the base and are fixedly connected to the extrusion block, and the third connecting block is slidably connected to the fourth sliding groove.

[0014] As a preferred embodiment of the fire helmet detection device provided by the utility model, a connecting disk is fixedly connected to the middle part of the lower end of the base, a cavity corresponding to the connecting disk is opened at the upper end of the workbench, and a circular ring is fixedly connected to the outer side of the connecting disk located inside the cavity, and a second notch is opened at the circumferential side of the cavity and at a position corresponding to the circular ring, and the circular ring is rotatably connected to the second notch, a third round rod is fixedly connected to the middle part of the lower end of the connecting disk, and one end of the third round rod away from the connecting disk is rotatably connected to the bottom of the cavity, a fourth gear is fixedly connected to the outer side of the third round rod, and one side of the fourth gear is meshed with the first gear, a fourth motor is arranged at the lower end of the first gear, the fourth motor is fixedly connected to the bottom of the cavity, and the output end of the fourth motor is fixedly connected to the first gear.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] The utility model provides a fire helmet detection device, which is designed through the structural cooperation of two first support columns, a moving mechanism and a connecting mechanism. When the position of the detection mechanism needs to be moved, the positions of the two first support columns can be moved through the cooperation of the moving mechanism and the connecting mechanism. The position of the detection mechanism can be moved by the movement of the two first support columns. The quality of different positions on the fire helmet can be detected by the movement of the connecting mechanism, thereby improving the practicality of the overall device.

[0017] The utility model provides a fire helmet detection device, which, through the structural design of the fixing mechanism, enables helmets of different sizes to be fixed through the fixing mechanism when quality inspection of the helmet is required, thereby improving the practicability of the overall device. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the scheme in the utility model, a brief introduction is given below to the drawings required for use in the description of the embodiments. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 A schematic diagram of the overall structure of a fire helmet detection device provided by the utility model;

[0020] Figure 2 A schematic diagram of the structure of the third slideway of a fire helmet detection device provided by the utility model;

[0021] Figure 3 A schematic diagram of the structure of a moving mechanism of a fire helmet detection device provided by the utility model;

[0022] Figure 4 A structural schematic diagram of a connection mechanism of a fire helmet detection device provided by the utility model;

[0023] Figure 5 A structural schematic diagram of a detection mechanism of a fire helmet detection device provided by the utility model;

[0024] Figure 6 A structural schematic diagram of a fixing mechanism of a fire helmet detection device provided by the utility model;

[0025] Figure 7 A schematic structural diagram of a first gear, a connecting plate, a circular ring, a third circular rod, a fourth gear and a fourth motor of a fire helmet detection device provided by the utility model.

[0026] The markings in the figure are as follows:

[0027] 1. workbench; 2. second slide; 3. first support column; 4. detection mechanism; 5. fixing mechanism; 6. first gear; 7. moving mechanism; 8. second support column; 9. connecting mechanism; 10. third slide; 11. first motor; 12. first screw; 13. fixing block; 14. first bearing; 15. first connecting column; 16. first slider; 17. first connecting block; 18. second slider; 19. second connecting column; 20. first round rod; 21. second round rod; 22. second gear; 23. second motor; 24. third gear; 25. impact resistance detection component; 26. base; 27. third motor; 28. second screw; 29. ​​second bearing; 30. second connecting block; 31. extrusion block; 32. third connecting block; 33. fourth slide; 34. connecting plate; 35. ring; 36. third round rod; 37. fourth gear; 38. fourth motor. DETAILED DESCRIPTION

[0028] In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.

[0029] As described in the background technology, the detection device in this patent cannot adjust the position of the fire helmet quality inspection during use, and cannot move the position of the detection device when it is necessary to inspect the helmet at different angles, thereby reducing the practicality of the overall device.

[0030] In order to solve this technical problem, the utility model provides a fire helmet detection device.

[0031] Specifically, please refer to Figure 1 , Figure 2 A fire helmet detection device specifically includes a workbench 1, second support columns 8 are fixedly connected at the positions of the four end corners of the lower end of the workbench 1, first support columns 3 are arranged on both sides of the upper end of the workbench 1, a detection mechanism 4 is arranged at the upper end of the workbench 1 and in the middle of the two first support columns 3, second slide grooves 2 corresponding to the first support columns 3 are opened on both sides of the workbench 1, a moving mechanism 7 is arranged in the middle of the lower end of the workbench 1, a connecting mechanism 9 is arranged at the lower end of the workbench 1 and at a position corresponding to the detection mechanism 4, and a fixing mechanism 5 is arranged in the middle of the upper end of the workbench 1.

[0032] The utility model provides a fire helmet detection device, which is designed through the structural cooperation of two first support columns 3 and a moving mechanism 7 and a connecting mechanism 9. When it is necessary to move the position of the detection mechanism 4, the positions of the two first support columns 3 can be moved through the cooperation of the moving mechanism 7 and the connecting mechanism 9. The position of the detection mechanism 4 can be driven to move through the movement of the two first support columns 3. The quality of different positions on the fire helmet can be detected through the movement of the connecting mechanism 9, thereby improving the practicality of the overall device.

[0033] In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiments of the utility model will be clearly and completely described below in conjunction with the accompanying drawings.

[0034] Embodiment 1:

[0035] Please refer to Figure 1-Figure 5 A fire helmet detection device comprises a workbench 1, wherein, in order to support the workbench 1, second support columns 8 are fixedly connected at the positions of the four end corners of the lower end of the workbench 1, first support columns 3 are arranged on both sides of the upper end of the workbench 1, a detection mechanism 4 is arranged at the upper end of the workbench 1 and located in the middle position of the two first support columns 3, second slide grooves 2 corresponding to the first support columns 3 are opened on both sides of the workbench 1, a moving mechanism 7 is arranged in the middle of the lower end of the workbench 1, a connecting mechanism 9 is arranged at the lower end of the workbench 1 and at the position corresponding to the detection mechanism 4, and a fixing mechanism 5 is arranged in the middle of the upper end of the workbench 1.

[0036] Through the above structural design, it can be known that helmets of different sizes can be fixed through the fixing mechanism 5, the quality of the helmet fixed on the fixing mechanism 5 can be inspected through the detection mechanism 4, and the position of the detection mechanism 4 can be moved and adjusted through the structural coordination design of the two first support columns 3 and the moving mechanism 7 and the connecting mechanism 9.

[0037] Specifically, the moving mechanism 7 includes a first motor 11, which is fixedly connected to the middle part of the lower end of the workbench 1, and the output end of the first motor 11 is fixedly connected to a first screw 12, and the end of the first screw 12 away from the first motor 11 is rotatably connected to a first bearing 14, and the end of the first bearing 14 away from the first screw 12 is fixedly connected to a fixed block 13, and the fixed block 13 is fixedly connected to the workbench 1.

[0038] Specifically, the connecting mechanism 9 includes a first connecting column 15, and the first connecting column 15 is located at the lower end of the workbench 1. The first connecting column 15 is threadedly connected to the first screw 12. Both sides of the upper end of the first connecting column 15 are fixedly connected with a first slider 16. Both sides of the lower end of the workbench 1 and at a position corresponding to the first slider 16 are provided with a third slide groove 10. The first slider 16 is slidably connected to the third slide groove 10. Both sides of the first connecting column 15 are fixedly connected with a first connecting block 17. The first connecting block 17 corresponds to the position of the second slide groove 2. The first connecting block 17 is slidably connected to the second slide groove 2. The upper end of the first connecting block 17 extends from the position of the second slide groove 2 to the upper end of the workbench 1 and is fixedly connected to the first supporting column 3. Both sides of the first connecting block 17 located inside the second slide groove 2 are fixedly connected with a second slider 18. Both sides of the second slide groove 2 and at a position corresponding to the second slider 18 are provided with a first slide groove. The second slider 18 is slidably connected to the first slide groove.

[0039] Through the above structural design, it can be known that when the position of the detection mechanism 4 needs to be moved, the first motor 11 can be started, and then after the first motor 11 is started, the output end of the first motor 11 drives the first screw 12 to rotate on the first bearing 14, and the rotation of the first screw 12 can drive the first connecting column 15 to move at the lower end of the workbench 1, and the movement of the first connecting column 15 can drive the first connecting blocks 17 on both sides to move inside the second slide groove 2 on the same side, and the movement of the first connecting block 17 can drive the first supporting column 3 on the same side to move at the upper end of the workbench 1, and the movement of the two first supporting columns 3 can drive the detection mechanism 4 to move at the upper end of the workbench 1, and the quality of the helmet can be detected at different positions through the movement of the detection mechanism 4.

[0040] Specifically, the detection mechanism 4 includes a second connecting column 19, a middle part of which is fixedly connected to an impact resistance detection component 25, a middle part of one side of the second connecting column 19 is fixedly connected to a first round rod 20, the first round rod 20 is rotatably connected to the first support column 3 on the same side, a middle part of the other side of the second connecting column 19 is fixedly connected to a second round rod 21, an end of the second round rod 21 away from the second connecting column 19 passes through the first support column 3 on the same side and extends to the outer side of the first support column 3 away from the second connecting column 19 and is fixedly connected to a second gear 22, the second gear 22 is rotatably connected to the first support column 3 on the same side, the lower end of the second gear 22 is meshedly connected to a third gear 24, a second motor 23 is provided on the side of the third gear 24 close to the first support column 3, an installation groove is opened at the position corresponding to the first support column 3 and the second motor 23, the second motor 23 is fixedly connected to the installation groove, and the output end of the second motor 23 is fixedly connected to the third gear 24.

[0041] Through the above structural design, it can be known that when the angle of the helmet quality inspection needs to be adjusted, the second motor 23 can be started, and then the start of the second motor 23 can drive the third gear 24 to rotate with the center of the circle of the output end of the second motor 23 as the axis, and the rotation of the third gear 24 can drive the second gear 22 to rotate, and the rotation of the second gear 22 can drive the second round rod 21 to rotate on the first support column 3, and the rotation of the second round rod 21 can drive the second connecting column 19 to rotate with the center of the circle of the second round rod 21 as the axis, and the angle of the anti-impact performance detection component 25 can be adjusted through the rotation of the second connecting column 19, and the quality of the helmet can be inspected by the anti-impact performance detection component 25.

[0042] Embodiment 2:

[0043] The fire helmet detection device provided in Example 1 is further optimized. Specifically, Figure 6 , Figure 7 As shown, the fixing mechanism 5 includes a base 26, a first notch is provided in the middle of the base 26, a third motor 27 is fixedly connected to the middle of the first notch, second screws 28 are fixedly connected to the output ends on both sides of the third motor 27, a second bearing 29 is rotatably connected to the end of the second screw 28 away from the third motor 27, the second bearing 29 is fixedly connected to the inside of the first notch, a second connecting block 30 is provided inside the first notch and located on the outside of the second screw 28, the second connecting block 30 is slidably connected to the inside of the socket, the second connecting block 30 is threadedly connected to the second screw 28, third connecting blocks 32 are fixedly connected to both sides of the second connecting block 30, fourth sliding grooves 33 are provided on both sides of the first notch and at positions corresponding to the third connecting blocks 32, two third connecting blocks 32 extend from the positions of the fourth sliding grooves 33 to the outside of the base 26 and are fixedly connected to extrusion blocks 31, and the third connecting blocks 32 are slidably connected to the fourth sliding grooves 33.

[0044] Through the above structural design, it can be known that when the helmet needs to be fixed, the base 26 can be wrapped by placing the mouth of the helmet on the base 26, and the third motor 27 inside the first slot is started. After the third motor 27 is started, the third motor 27 drives the second screws 28 on both sides to rotate on the second bearings 29 on the same side, and the rotation of the second screws 28 drives the two second connecting blocks 30 to move closer to the second bearings 29 on the same side inside the first slot. The movement of the second connecting block 30 can drive the third connecting block 32 to drive the extrusion block 31 to extrude the two sides of the inside of the helmet, and the position of the helmet can be fixed by the extrusion of the two extrusion blocks 31 on both sides of the inner side of the helmet.

[0045] Specifically, a connecting disk 34 is fixedly connected to the middle part of the lower end of the base 26, wherein, in order to improve the stability of the connecting disk 34, a cavity corresponding to the connecting disk 34 is opened at the upper end of the workbench 1, and a circular ring 35 is fixedly connected to the outer side of the connecting disk 34 located inside the cavity, and a second notch is opened on the circumferential side of the cavity and at a position corresponding to the circular ring 35, and the circular ring 35 is rotatably connected to the second notch, and a third round rod 36 is fixedly connected to the middle part of the lower end of the connecting disk 34, and one end of the third circular rod 36 away from the connecting disk 34 is rotatably connected to the bottom of the cavity, and a fourth gear 37 is fixedly connected to the outer side of the third circular rod 36, and one side of the fourth gear 37 is meshedly connected to the first gear 6, and a fourth motor 38 is provided at the lower end of the first gear 6, and the fourth motor 38 is fixedly connected to the bottom of the cavity, and the output end of the fourth motor 38 is fixedly connected to the first gear 6.

[0046] Through the above structural design, it can be known that when quality inspection of other positions of the helmet is required, the fourth motor 38 can be started, and then the output end of the fourth motor 38 drives the first gear 6 to rotate with the center of the circle of the output end of the fourth motor 38 as the axis, and the rotation of the first gear 6 can drive the fourth gear 37 to rotate, and the rotation of the fourth gear 37 can drive the third round rod 36 to rotate, and the rotation of the third round rod 36 can drive the connecting disk 34 to rotate, and the rotation of the connecting disk 34 can drive the base 26 to rotate, and the rotation position of the helmet can be adjusted by the rotation of the base 26, and then the quality inspection of different positions of the helmet can be carried out.

Claims

1. A fire helmet detection device, characterized in that: The invention comprises a workbench (1), wherein second support columns (8) are fixedly connected at the positions of the four end corners of the lower end of the workbench (1), first support columns (3) are arranged on both sides of the upper end of the workbench (1), a detection mechanism (4) is arranged at the upper end of the workbench (1) and at the middle position between the two first support columns (3), second slide grooves (2) corresponding to the first support columns (3) are opened on both sides of the workbench (1), a moving mechanism (7) is arranged in the middle of the lower end of the workbench (1), a connecting mechanism (9) is arranged at the lower end of the workbench (1) and at a position corresponding to the detection mechanism (4), and a fixing mechanism (5) is arranged in the middle of the upper end of the workbench (1).

2. A fire helmet detection device according to claim 1, characterized in that: The moving mechanism (7) comprises a first motor (11), the first motor (11) being fixedly connected to the middle of one end of the lower end of the workbench (1), the output end of the first motor (11) being fixedly connected to a first screw rod (12), the end of the first screw rod (12) away from the first motor (11) being rotatably connected to a first bearing (14), the end of the first bearing (14) away from the first screw rod (12) being fixedly connected to a fixing block (13), and the fixing block (13) being fixedly connected to the workbench (1).

3. A fire helmet detection device according to claim 2, characterized in that: The connecting mechanism (9) comprises a first connecting column (15), the first connecting column (15) is located at the lower end of the workbench (1), the first connecting column (15) is threadedly connected to the first screw rod (12), both sides of the upper end of the first connecting column (15) are fixedly connected with a first slider (16), both sides of the lower end of the workbench (1) and at a position corresponding to the first slider (16) are provided with a third slide groove (10), the first slider (16) is slidably connected to the third slide groove (10), both sides of the first connecting column (15) are fixedly connected with a first connecting block (17), The first connecting block (17) corresponds to the position of the second slide groove (2), the first connecting block (17) is slidably connected to the second slide groove (2), the upper end of the first connecting block (17) extends from the position of the second slide groove (2) to the upper end of the workbench (1) and is fixedly connected to the first support column (3), the first connecting block (17) is located in the second slide groove (2) The two sides are fixedly connected with the second slider (18), the two sides of the second slide groove (2) and the position corresponding to the second slider (18) are provided with a first slide groove, and the second slider (18) is slidably connected to the first slide groove.

4. A fire helmet detection device according to claim 3, characterized in that: The detection mechanism (4) comprises a second connecting column (19), the middle part of which is fixedly connected to an impact resistance detection assembly (25), the middle part of one side of the second connecting column (19) is fixedly connected to a first round rod (20), the first round rod (20) is rotatably connected to a first support column (3) on the same side, the middle part of the other side of the second connecting column (19) is fixedly connected to a second round rod (21), an end of the second round rod (21) away from the second connecting column (19) passes through the first support column (3) on the same side and extends to the first support column (3) away from the second connecting column (19). A second gear (22) is fixedly connected to the outer side of one side of the connecting column (19); the second gear (22) is rotatably connected to the first supporting column (3) on the same side; a third gear (24) is meshingly connected to the lower end of the second gear (22); a second motor (23) is arranged on the side of the third gear (24) close to the first supporting column (3); a mounting groove is provided at a position of the first supporting column (3) corresponding to the second motor (23); the second motor (23) is fixedly connected to the mounting groove; and an output end of the second motor (23) is fixedly connected to the third gear (24).

5. A fire helmet detection device according to claim 1, characterized in that: The fixing mechanism (5) comprises a base (26), a first notch is provided in the middle of the base (26), a third motor (27) is fixedly connected to the middle of the first notch, second screws (28) are fixedly connected to the output ends on both sides of the third motor (27), a second bearing (29) is rotatably connected to one end of the second screw (28) away from the third motor (27), the second bearing (29) is fixedly connected to the inside of the first notch, a second connecting block (30) is provided inside the first notch and on the outside of the second screw (28), the The second connecting block (30) is slidably connected to the inside of the socket, the second connecting block (30) is threadedly connected to the second screw rod (28), the second connecting block (30) is fixedly connected to the third connecting blocks (32) on both sides, and the fourth sliding grooves (33) are provided on both sides of the first notch and at positions corresponding to the third connecting blocks (32), the two third connecting blocks (32) extend from the positions of the fourth sliding grooves (33) to the outside of the base (26) and are fixedly connected to the extrusion blocks (31), and the third connecting blocks (32) are slidably connected to the fourth sliding grooves (33).

6. A fire helmet detection device according to claim 5, characterized in that: A connecting plate (34) is fixedly connected to the middle of the lower end of the base (26); a cavity corresponding to the connecting plate (34) is provided at the upper end of the workbench (1); a circular ring (35) is fixedly connected to the outer side of the connecting plate (34) located inside the cavity; a second notch is provided on the circumferential side of the cavity and at a position corresponding to the circular ring (35); the circular ring (35) is rotatably connected to the second notch; a third round rod (36) is fixedly connected to the middle of the lower end of the connecting plate (34); one end of the third round rod (36) away from the connecting plate (34) is rotatably connected to the bottom of the cavity; a fourth gear (37) is fixedly connected to the outer side of the third round rod (36); one side of the fourth gear (37) is meshedly connected to the first gear (6); a fourth motor (38) is provided at the lower end of the first gear (6); the fourth motor (38) is fixedly connected to the bottom of the cavity; and the output end of the fourth motor (38) is fixedly connected to the first gear (6).

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