Cultivated land soil monitoring device based on Internet of Things

Abstract

The invention discloses a cultivated land soil monitoring device based on the Internet of Things, and relates to the technical field of monitoring devices.The cultivated land soil monitoring device comprises a fixing mechanism arranged in a fixing frame and used for fixing the monitoring device and preventing the monitoring device from shaking in the using process; the fixing plate is arranged in the fixing frame and is in sliding connection with the fixing frame; the plurality of fixing nails are uniformly arranged on the fixing plate, and are fixedly connected with the fixing plate; the rotating mechanism is arranged on the supporting plate; the moving mechanism is arranged in the supporting nail; by arranging a fixing mechanism, universal wheels, a fixing plate and fixing nails, the monitoring device is moved and fixed, so that the monitoring device is more flexible to use; by arranging the rotating mechanism and the moving mechanism, rotation and movement of the monitor are achieved, comprehensive monitoring of soil is achieved, monitoring of the soil is more accurate, and accurate analysis of the soil is facilitated.

Description

Technical Field

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

[0002] IoT-based farmland soil monitoring devices primarily include soil moisture monitoring systems, multi-factor automatic field meteorological monitoring systems, integrated automatic field seedling and pest monitoring systems, and automatic field insect monitoring systems. These devices utilize sensors, data collectors, and communication interfaces to enable real-time monitoring and data transmission of soil moisture, temperature, nutrient content, and meteorological factors. Monitoring soil moisture requires testing at different depths to determine the soil's moisture content.

[0003] When using the existing moisture monitoring device for cultivated land soil monitoring, it is necessary to first place the monitoring device at the soil location that needs to be monitored, and then transport the moisture monitoring device to the soil at different depths, so as to realize the monitoring of soil moisture; however, the existing soil moisture monitoring device is not easy to move when in use, making the use of the monitoring device more difficult and increasing the difficulty of soil monitoring, so there is a need for improvement. Summary of the Invention

[0004] In view of the shortcomings of the existing technology, the purpose of the present invention is to provide a farmland soil monitoring device based on the Internet of Things, aiming to solve the above technical problems.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions: A farmland soil monitoring device based on the Internet of Things includes a support frame, a fixing frame, and support pins, wherein the fixing frame is fixedly connected to the support frame; and further includes: A supporting cylinder is disposed in the supporting frame and fixedly connected to the supporting frame; A support groove is provided in the support frame; A support plate is disposed in the support groove, is slidably connected to the support groove, and is fixedly connected to the output end of the support cylinder; Universal wheels are provided on the fixed frame and fixedly connected to the fixed frame, and are used to move the monitoring device; Monitor, used to monitor soil moisture in real time; A fixing mechanism is provided in the fixing frame and is used to fix the monitoring device to prevent the monitoring device from shaking during use; A fixing plate is disposed in the fixing frame and is slidably connected to the fixing frame; There are multiple fixing nails, and the multiple fixing nails are evenly arranged on the fixing plate and fixedly connected to the fixing plate; A rotating mechanism, provided on the support plate, for rotating the support pins; The moving mechanism is arranged in the supporting nail and is used to move the monitor to facilitate monitoring of soil at different depths.

[0006] Preferably, the fixing mechanism comprises: There are two fixing blocks, and the two fixing blocks are symmetrically arranged on the fixing frame and fixedly connected to the fixing frame; a motor frame, fixedly connected to the fixing block; A fixed motor, fixedly connected to the motor frame; A fixed shaft, fixedly connected to the output end of the fixed motor and rotatably connected to the fixed block; The sliding component is arranged on the fixed block.

[0007] Preferably, the sliding component includes: There are two sliding rods, and the two sliding rods are symmetrically arranged on the fixed block and fixedly connected to the fixed block; There are two sliding blocks, and the two sliding blocks are symmetrically arranged on the sliding rod, and are slidably connected to the sliding rod and are also threadedly connected to the fixed shaft; A sliding frame, fixedly connected to the sliding block; The rotating component is arranged on the sliding frame.

[0008] Preferably, the rotating component includes: A first rotating shaft is provided on the sliding frame and is fixedly connected to the sliding frame; a rotating plate, rotatably connected to the first rotating shaft; a second rotating shaft, rotatably connected to the rotating plate; The rotating frame is arranged on the second rotating shaft, fixedly connected to the second rotating shaft, and fixedly connected to the fixing plate.

[0009] Preferably, the rotating mechanism comprises: A rotating frame is provided on the support plate and is fixedly connected to the support plate; A rotating motor, fixedly connected to the rotating frame; a rotating shaft, fixedly connected to the output end of the rotating motor and rotatably connected to the support plate; The transmission component is arranged in the support plate.

[0010] Preferably, the transmission component includes: A transmission groove is provided in the support plate; a transmission block, disposed in the transmission groove, slidably connected to the transmission groove, and threadedly connected to the rotating shaft; There are two transmission frames, and the two transmission frames are symmetrically arranged on the transmission block and fixedly connected to the transmission block; The connecting component is arranged on the supporting nail.

[0011] Preferably, the connecting component includes: A connecting shaft is provided on the supporting nail, is fixedly connected to the supporting nail, and is rotatably connected to the supporting plate; A connecting disk, fixedly connected to the connecting shaft; The connecting rod is eccentrically arranged on the connecting disk, fixedly connected to the connecting disk, and slidably connected to the transmission frame.

[0012] Preferably, the moving mechanism comprises: A movable groove is provided in the supporting pin; A movable frame is disposed in the movable groove and fixedly connected to the supporting pin; A moving motor, fixedly connected to the moving frame; A movable shaft, fixedly connected to the output end of the movable motor and rotatably connected to the supporting pin; The driving component is arranged in the supporting nail.

[0013] Preferably, the driving component includes: A driving groove is provided in the supporting nail; The driving block is arranged in the driving groove, is slidably connected to the driving groove, is threadedly connected to the moving shaft, and is fixedly connected to the monitor.

[0014] In summary, due to the adoption of the above technical solution, the beneficial effects of the present invention are: By setting up a fixing mechanism, universal wheels, fixing plates and fixing nails, the monitoring device can be moved and fixed, making the use of the monitoring device more flexible; by setting up a rotating mechanism and a moving mechanism, the monitor can be rotated and moved, and comprehensive monitoring of the soil can be achieved, making soil monitoring more accurate and facilitating accurate analysis of the soil. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for use in describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0016] Figure 1 A schematic diagram of the three-dimensional structure of a cultivated land soil monitoring device based on the Internet of Things is shown.

[0017] Figure 2 A schematic diagram of the three-dimensional cross-sectional structure of a cultivated land soil monitoring device based on the Internet of Things is shown.

[0018] Figure 3 A schematic diagram of the three-dimensional cross-sectional structure of a cultivated land soil monitoring device based on the Internet of Things is shown.

[0019] Figure 4 A three-dimensional exploded diagram of a cultivated land soil monitoring device based on the Internet of Things is shown.

[0020] Figure 5 An exploded diagram of the fixing mechanism of an IoT-based cultivated land soil monitoring device is shown.

[0021] Figure 6 An exploded diagram of the rotating mechanism of an IoT-based cultivated land soil monitoring device is shown.

[0022] Figure 7 An exploded diagram of the mobile mechanism of a cultivated land soil monitoring device based on the Internet of Things is shown.

[0023] Figure 8 Shown Figure 2 Enlarged view of point A in the middle.

[0024] Figure 9 Shown Figure 3 Enlarged view of point B in the middle.

[0025] Legend: 1. Support frame; 2. Fixed frame; 3. Support pin; 4. Support cylinder; 5. Support slot; 6. Support plate; 7. Universal wheel; 8. Monitor; 9. Fixed plate; 10. Fixed pin; 11. Fixed block; 12. Motor frame; 13. Fixed motor; 14. Fixed shaft; 15. Sliding rod; 16. Sliding block; 17. Sliding frame; 18. First rotating shaft; 19. Rotating plate; 20. Second rotating shaft; 21. Rotating frame; 22. Rotating frame; 23. Rotating motor; 24. Rotating shaft; 25. Transmission slot; 26. Transmission block; 27. Transmission frame; 28. Connecting shaft; 29. ​​Connecting plate; 30. Connecting rod; 31. Moving slot; 32. Moving frame; 33. Moving motor; 34. Moving shaft; 35. Drive slot; 36. Drive block. DETAILED DESCRIPTION

[0026] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts shall fall within the scope of protection of the present invention.

[0027] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention.

[0028] It should be noted that when a component is referred to as being "fixed to" another component, it may be directly on the other component or there may also be a central component. When a component is considered to be "connected to" another component, it may be directly connected to the other component or there may also be a central component. When a component is considered to be "set on" another component, it may be directly set on the other component or there may also be a central component. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0029] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature identified as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, "plurality" means two or more, unless otherwise specifically defined.

[0030] Reference Figures 1 to 9 An embodiment of the cultivated land soil monitoring device based on the Internet of Things of the present invention is further described.

[0031] A farmland soil monitoring device based on the Internet of Things includes a support frame 1, a fixed frame 2 and a support nail 3, wherein the fixed frame 2 is fixedly connected to the support frame 1; further comprising: a support cylinder 4, which is arranged in the support frame 1 and fixedly connected to the support frame 1; a support groove 5, which is opened in the support frame 1; a support plate 6, which is arranged in the support groove 5, is slidably connected to the support groove 5, and is fixedly connected to the output end of the support cylinder 4; a universal wheel 7, which is arranged on the fixed frame 2 and fixedly connected to the fixed frame 2, and is used to move the monitoring device; a monitor 8, which is used to measure the moisture content of the soil. Real-time monitoring is carried out; a fixing mechanism is arranged in the fixing frame 2, for fixing the monitoring device to prevent the monitoring device from shaking during use; a fixing plate 9 is arranged in the fixing frame 2, and is slidingly connected to the fixing frame 2; there are multiple fixing nails 10, and the multiple fixing nails 10 are evenly arranged on the fixing plate 9 and fixedly connected to the fixing plate 9; a rotating mechanism is arranged on the supporting plate 6, for rotating the supporting nail 3; a moving mechanism is arranged in the supporting nail 3, for moving the monitor 8, so as to facilitate monitoring of soil at different depths.

[0032] Reference Figure 5 As a preferred embodiment, the fixing mechanism includes: two fixed blocks 11, which are symmetrically arranged on the fixed frame 2 and fixedly connected to the fixed frame 2; a motor frame 12, which is fixedly connected to the fixed block 11; a fixed motor 13, which is fixedly connected to the motor frame 12; a fixed shaft 14, which is fixedly connected to the output end of the fixed motor 13 and is rotatably connected to the fixed block 11; and a sliding component, which is arranged on the fixed block 11.

[0033] During operation, the fixed motor 13 is started to drive the fixed shaft 14 fixedly connected to the output end of the fixed motor 13 to rotate on the fixed block 11, thereby providing power for the operation of the sliding component.

[0034] Reference Figure 5 As a preferred embodiment, the sliding component includes: two sliding rods 15, and the two sliding rods 15 are symmetrically arranged on the fixed block 11 and fixedly connected to the fixed block 11; two sliding blocks 16, and the two sliding blocks 16 are symmetrically arranged on the sliding rod 15, and are slidably connected to the sliding rod 15, and are also threadedly connected to the fixed shaft 14; a sliding frame 17, fixedly connected to the sliding block 16; and a rotating component is arranged on the sliding frame 17.

[0035] During operation, the sliding block 16 threadedly connected to the fixed shaft 14 rotates, driving the sliding block 16 to slide on the sliding rod 15, so that the sliding blocks 16 approach each other, thereby driving the sliding frame 17 to move, transmitting power for the operation of the rotating component.

[0036] Reference Figure 5As a preferred embodiment, the rotating component includes: a first rotating shaft 18, which is arranged on the sliding frame 17 and fixedly connected to the sliding frame 17; a rotating plate 19, which is rotatably connected to the first rotating shaft 18; a second rotating shaft 20, which is rotatably connected to the rotating plate 19; a rotating frame 21, which is arranged on the second rotating shaft 20, fixedly connected to the second rotating shaft 20, and fixedly connected to the fixed plate 9.

[0037] During operation, the rotating plate 19 fixedly connected to the first rotating shaft 18 rotates, so that the rotating frame 21 fixedly connected to the second rotating shaft 20 moves in a direction away from the support frame 1, driving the fixed plate 9 of the fixed frame 2 fixed to the rotating frame 21 to slide in the fixed frame 2, so that the fixing nail 10 fixedly connected to the fixing plate 9 moves until the fixing nail 10 is inserted into the soil.

[0038] Reference Figure 6 and Figure 9 As a preferred embodiment, the rotating mechanism includes: a rotating frame 22, which is arranged on the support plate 6 and fixedly connected to the support plate 6; a rotating motor 23, which is fixedly connected to the rotating frame 22; a rotating shaft 24, which is fixedly connected to the output end of the rotating motor 23 and is rotatably connected to the support plate 6; and a transmission component, which is arranged inside the support plate 6.

[0039] During operation, the rotating motor 23 is started to drive the rotating shaft 24 fixedly connected to the output end of the rotating motor 23 to rotate on the support plate 6, thereby providing power for the operation of the transmission component.

[0040] Reference Figure 6 and Figure 9 As a preferred embodiment, the transmission component includes: a transmission groove 25, which is opened in the support plate 6; a transmission block 26, which is arranged in the transmission groove 25, is slidably connected to the transmission groove 25, and is threadedly connected to the rotating shaft 24; there are two transmission frames 27, and the two transmission frames 27 are symmetrically arranged on the transmission block 26 and fixedly connected to the transmission block 26; a connecting component is arranged on the support nail 3.

[0041] During operation, the transmission block 26 threadedly connected to the rotating shaft 24 rotates, driving the transmission block 26 to slide in the transmission groove 25, so that the transmission frame 27 fixedly connected to the transmission block 26 moves, driving the connecting parts to operate.

[0042] Reference Figure 6 As a preferred embodiment, the connecting components include: a connecting shaft 28, which is arranged on the support nail 3, fixedly connected to the support nail 3, and rotatably connected to the support plate 6; a connecting disk 29, which is fixedly connected to the connecting shaft 28; a connecting rod 30, which is eccentrically arranged on the connecting disk 29, fixedly connected to the connecting disk 29, and slidably connected to the transmission frame 27.

[0043] During operation, the connecting rod 30 that is slidably connected to the transmission frame 27 is driven to slide in the transmission frame 27, so that the connecting plate 29 fixedly connected to the connecting rod 30 rotates, driving the supporting nail 3 fixedly connected to the connecting shaft 28 to rotate, so that the monitor 8 rotates.

[0044] Reference Figure 7 and Figure 8 As a preferred embodiment, the moving mechanism includes: a moving groove 31, which is opened in the support nail 3; a moving frame 32, which is arranged in the moving groove 31 and is fixedly connected to the support nail 3; a moving motor 33, which is fixedly connected to the moving frame 32; a moving shaft 34, which is fixedly connected to the output end of the moving motor 33 and is rotationally connected to the support nail 3; and a driving component, which is arranged in the support nail 3.

[0045] During operation, the moving motor 33 is driven, and the moving shaft 34 fixedly connected to the output end of the moving motor 33 is driven to rotate inside the supporting nail 3, thereby providing power for the operation of the driving component.

[0046] Reference Figure 7 and Figure 8 As a preferred embodiment, the driving component includes: a driving groove 35, which is opened in the supporting nail 3; a driving block 36, which is arranged in the driving groove 35, is slidingly connected to the driving groove 35, and is threadedly connected to the movable shaft 34, and is also fixedly connected to the monitor 8.

[0047] During operation, the driving block 36 threadedly connected to the movable shaft 34 rotates, driving the driving block 36 to slide in the driving slot 35 , so that the monitor 8 fixedly connected to the driving block 36 moves, driving the monitor 8 to move on the supporting nail 3 .

[0048] Working principle: When in use, first move the monitoring device to a suitable position by using the handle, and then start the fixed motor 13, driving the fixed shaft 14 fixedly connected to the output end of the fixed motor 13 to rotate on the fixed block 11, so that the sliding block 16 threadedly connected to the fixed shaft 14 rotates, driving the sliding block 16 to slide on the sliding rod 15, so that the sliding blocks 16 approach each other, thereby driving the sliding frame 17 to move, so that the rotating plate 19 fixedly connected to the first rotating shaft 18 rotates, so that the rotating frame 21 fixedly connected to the second rotating shaft 20 moves in the direction away from the supporting frame 1, driving the fixed plate 9 of the fixed frame 2 of the rotating frame 21 to slide in the fixed frame 2, so that the fixing nail 10 fixedly connected to the fixing plate 9 moves until the fixing nail 10 is inserted into the soil, thereby achieving support and fixation of the monitoring device to prevent the monitoring device from shaking; Then, the supporting cylinder 4 is started, driving the supporting plate 6 fixedly connected to the output end of the supporting cylinder 4 to slide in the supporting groove 5, so that the supporting plate 6 moves toward the bottom of the supporting frame 1, driving the supporting nail 3 to be inserted into the soil. When the supporting nail 3 is inserted into the soil, the moving motor 33 is started, driving the moving shaft 34 fixedly connected to the output end of the moving motor 33 to rotate in the supporting nail 3, so that the driving block 36 threadedly connected to the moving shaft 34 rotates, driving the driving block 36 to slide in the driving groove 35, so that the monitor 8 fixedly connected to the driving block 36 moves, and drives the monitor 8 to move on the supporting nail 3, thereby realizing soil of different depths. Monitoring is carried out; during the movement of the monitor 8, the rotating motor 23 is started, driving the rotating shaft 24 fixedly connected to the output end of the rotating motor 23 to rotate on the support plate 6, so that the transmission block 26 threadedly connected to the rotating shaft 24 rotates, driving the transmission block 26 to slide in the transmission groove 25, so that the transmission frame 27 fixedly connected to the transmission block 26 moves, driving the connecting rod 30 slidingly connected to the transmission frame 27 to slide in the transmission frame 27, so that the connecting disk 29 fixedly connected to the connecting rod 30 rotates, driving the support nail 3 fixedly connected to the connecting shaft 28 to rotate, so that the monitor 8 rotates, thereby performing more comprehensive monitoring of the soil.

[0049] The above description of the embodiments is intended to enable one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not limited to the embodiments shown herein but is intended to conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A farmland soil monitoring device based on the Internet of Things, comprising a support frame (1), a fixing frame (2) and support pins (3), wherein the fixing frame (2) is fixedly connected to the support frame (1); characterized in that: Also includes: A supporting cylinder (4) fixedly connected to the supporting frame (1); A support groove (5) is provided in the support frame (1); A support plate (6) is slidably connected to the support groove (5) and fixedly connected to the output end of the support cylinder (4); Universal wheels (7), fixedly connected to the fixed frame (2), for moving the monitoring device; A monitor (8) for real-time monitoring of soil moisture; A fixing mechanism is provided in the fixing frame (2) and is used to fix the monitoring device to prevent the monitoring device from shaking during use; A fixed plate (9) slidably connected to the fixed frame (2); There are multiple fixing nails (10), and the multiple fixing nails (10) are evenly arranged on the fixing plate (9) and fixedly connected to the fixing plate (9); A rotating mechanism, provided on the support plate (6), for rotating the supporting pin (3); The moving mechanism is arranged in the supporting nail (3) and is used to move the monitor (8) to facilitate monitoring of soil at different depths.

2. The cultivated land soil monitoring device based on the Internet of Things according to claim 1, characterized in that: The fixing mechanism comprises: There are two fixed blocks (11), and the two fixed blocks (11) are symmetrically arranged on the fixed frame (2) and fixedly connected to the fixed frame (2); A motor frame (12) is fixedly connected to the fixing block (11); A fixed motor (13) fixedly connected to the motor frame (12); A fixed shaft (14) fixedly connected to the output end of the fixed motor (13) and rotatably connected to the fixed block (11); A sliding component is arranged on the fixed block (11).

3. The cultivated land soil monitoring device based on the Internet of Things according to claim 2, characterized in that: The sliding component includes: There are two sliding rods (15), and the two sliding rods (15) are symmetrically arranged on the fixed block (11) and fixedly connected to the fixed block (11); There are two sliding blocks (16), and the two sliding blocks (16) are symmetrically arranged on the sliding rod (15), and are slidably connected to the sliding rod (15) and are also threadedly connected to the fixed shaft (14); A sliding frame (17) is fixedly connected to the sliding block (16); The rotating component is arranged on the sliding frame (17).

4. The cultivated land soil monitoring device based on the Internet of Things according to claim 3 is characterized in that: The rotating component includes: A first rotating shaft (18) is provided on the sliding frame (17) and is fixedly connected to the sliding frame (17); a rotating plate (19) rotatably connected to the first rotating shaft (18); A second rotating shaft (20) is rotatably connected to the rotating plate (19); The rotating frame (21) is arranged on the second rotating shaft (20), is fixedly connected to the second rotating shaft (20), and is also fixedly connected to the fixing plate (9).

5. The cultivated land soil monitoring device based on the Internet of Things according to claim 4, characterized in that: The rotating mechanism comprises: A rotating frame (22) is disposed on the support plate (6) and is fixedly connected to the support plate (6); A rotating motor (23) fixedly connected to the rotating frame (22); A rotating shaft (24) is fixedly connected to the output end of the rotating motor (23) and is rotationally connected to the support plate (6); The transmission component is arranged in the support plate (6).

6. The cultivated land soil monitoring device based on the Internet of Things according to claim 5, characterized in that: The transmission components include: A transmission groove (25) is provided in the support plate (6); A transmission block (26) is disposed in the transmission groove (25), is slidably connected to the transmission groove (25), and is threadedly connected to the rotating shaft (24); There are two transmission frames (27), and the two transmission frames (27) are symmetrically arranged on the transmission block (26) and fixedly connected to the transmission block (26); A connecting component is provided on the supporting nail (3).

7. The cultivated land soil monitoring device based on the Internet of Things according to claim 6, characterized in that: The connecting component includes: A connecting shaft (28) is provided on the supporting nail (3), fixedly connected to the supporting nail (3), and rotatably connected to the supporting plate (6); A connecting disk (29) fixedly connected to the connecting shaft (28); A connecting rod (30) is eccentrically arranged on the connecting disk (29), fixedly connected to the connecting disk (29), and slidably connected to the transmission frame (27).

8. The cultivated land soil monitoring device based on the Internet of Things according to claim 7, characterized in that: The moving mechanism comprises: A movable groove (31) is provided in the supporting pin (3); A movable frame (32) is disposed in the movable groove (31) and is fixedly connected to the supporting pin (3); A moving motor (33) fixedly connected to the moving frame (32); A movable shaft (34) is fixedly connected to the output end of the movable motor (33) and is rotationally connected to the supporting pin (3); A driving component is arranged in the supporting nail (3).

9. The cultivated land soil monitoring device based on the Internet of Things according to claim 8, characterized in that: The driving component includes: A driving groove (35) is provided in the supporting pin (3); The driving block (36) is disposed in the driving groove (35), is slidably connected to the driving groove (35), is threadedly connected to the moving shaft (34), and is also fixedly connected to the monitor (8).

Images