Portable experimental operation terminal equipment

Abstract

The utility model discloses portable experimental operation terminal equipment, which belongs to the technical field of experimental equipment, and is characterized in that the portable experimental operation terminal equipment comprises a base, the top of the base is connected with a supporting column, the supporting column is connected with a display, a main camera and an auxiliary camera device, and the display, the main camera and the auxiliary camera device are all connected with a power supply; the displayer and the main camera are both located on the first side wall of the supporting column, the main camera is located above the displayer and used for shooting an experiment operation area from the front face, the auxiliary camera device can shoot the experiment operation area from the side face, and the displayer is used for displaying shot pictures of the main camera and the auxiliary camera device in real time; the auxiliary camera device comprises a rotating assembly and an auxiliary camera, one end of the rotating assembly is connected with the supporting column, the other end of the rotating assembly is connected with the auxiliary camera, the rotating assembly can enable the auxiliary camera to freely adjust the angle in the space, and the effect that the experiment operation terminal equipment is convenient to carry and rapid to deploy is achieved.

Description

Technical Field

[0001] The present application relates to the technical field of experimental equipment, and in particular to a portable experimental operation terminal device. Background Art

[0002] Currently, experimental operation terminal devices are widely used in scientific research, teaching and other fields. However, traditional experimental operation terminal devices are usually bulky, inconvenient to carry and quickly deploy, which limits their use scenarios. Utility Model Content

[0003] In order to make the experimental operation terminal device easy to carry and quickly deploy, the utility model provides a convenient experimental operation terminal device.

[0004] The utility model provides a portable experimental operation terminal device adopts the following technical solution:

[0005] A portable experiment operation terminal device comprises a base, the top of the base is connected to a support column, the support column is connected to a display, a main camera and an auxiliary camera device, the display, the main camera and the auxiliary camera device are all connected to a power supply, the display and the main camera are both located on the first side wall of the support column, the main camera is located above the display, the main camera is used to photograph the experiment operation area from the front, the auxiliary camera device can photograph the experiment operation area from the side, the display is used to display the shooting images of the main camera and the auxiliary camera device in real time; the auxiliary camera device comprises a rotating component and an auxiliary camera, one end of the rotating component is connected to the support column, and the other end is connected to the auxiliary camera, and the rotating component can enable the auxiliary camera to freely adjust its angle in space.

[0006] By adopting the above technical solution, the display, main camera and auxiliary camera device are integrated on the support column. The auxiliary camera device is adjustable, which can reduce the space occupied by the terminal device and facilitate the portability of the terminal device. After turning on the display and the main camera, the user can quickly adjust the auxiliary camera to extend for shooting by rotating the components, and the terminal device can be quickly deployed. The main camera shoots the experimental operation area from the front, and the auxiliary camera shoots the experimental operation area from the side, which is convenient for observing the experimental operation.

[0007] Preferably, an adjustment block is provided between the main camera and the support column, the adjustment block is slidably connected to the support column, and the adjustment block can drive the main camera to move in the vertical direction.

[0008] By adopting the above technical solution, the main camera can be driven to move in the vertical direction by sliding the adjustment block, thereby adjusting the shooting height of the main camera. This design allows the user to flexibly adjust the position of the main camera according to actual conditions to meet the shooting needs of different heights and angles.

[0009] Preferably, a slide groove and an active cavity are provided on the support column, the slide groove connects the active cavity with the outside world, the adjusting block is connected with a clamping assembly, and the clamping assembly is located in the slide groove and the active cavity; the clamping assembly includes a connecting block, an adjusting plate and a fixed plate, the connecting block matches the slide groove, the connecting block is arranged in the slide groove and is slidably connected to the support column, the first end of the connecting block is connected to the adjusting block, and the second end is connected to the adjusting plate, the fixed plate is connected to the support column, the fixed plate is in contact with the adjusting plate, the side wall of the adjusting plate close to the fixed plate is wavy, the side wall of the fixed plate close to the adjusting plate is wavy, and the fixed plate and the adjusting plate can slide relative to each other or be relatively fixed.

[0010] By adopting the above technical solution, the design of the wavy side wall enables the adjustment plate and the fixed plate to form a certain friction force when they contact each other, thereby achieving stable fixation of the adjustment block on the support column. At the same time, when the adjustment block needs to be moved, only a certain external force needs to be applied to make the adjustment plate and the fixed plate slide relative to each other, thereby driving the adjustment block to slide along the support column.

[0011] Preferably, the rotating assembly includes an extension rod, a first shaft rod and a second shaft rod, the first end of the extension rod is connected to the top end of the support column, the first shaft rod is horizontally arranged, the first shaft rod is rotatably connected to the second end of the extension rod, the second shaft rod is rotatably connected to the first shaft rod, the axis of the second shaft rod is perpendicular to the length direction of the first shaft rod, and the auxiliary camera is connected to the second shaft rod.

[0012] By adopting the above technical solution, the auxiliary camera can adjust the angle in the vertical direction through the first shaft rod, and can also rotate perpendicular to the vertical direction through the junction. The auxiliary camera can flexibly adjust the shooting angle, thereby meeting the user's multi-angle monitoring needs for the experimental operation process.

[0013] Preferably, the auxiliary camera includes a first connecting part and a first camera part, the first connecting part is half-covered in the first camera part, the first camera can rotate in the first connecting part, and the first connecting part is rotatably connected to the second shaft.

[0014] By adopting the above technical solution, when photographing the experimental operation area from the side, the angle of the first connecting part and the first camera part can be adjusted to further facilitate observation of the experiment.

[0015] Preferably, the support column is connected to a bird's-eye view camera device, which includes a rotating shaft, a support rod and a bird's-eye view camera. The rotating shaft is horizontally arranged, and the rotating shaft is rotatably connected to the top of the support column. The support rod is fixedly connected to the rotating shaft, and the support rod can rotate in a vertical plane. The bird's-eye view camera is connected to the support rod, and the bird's-eye view camera is connected to a power supply. The bird's-eye view camera is used to photograph the experimental operation area from above.

[0016] By adopting the above technical solution, the support rod can be rotated in the vertical direction through the rotating shaft. When it is necessary to shoot the experimental operation area from above, the support rod is adjusted so that the support rod drives the downward camera to shoot the experimental operation area from above. When the downward camera is not needed, the support rod can be rotated to keep the support rod in a vertical state. The support rod is close to the support column, which reduces the space occupied by the terminal device and further facilitates the portability of the terminal device.

[0017] Preferably, the overhead camera includes a second connecting portion and a second camera portion, the second connecting portion is half-covered in the second camera portion, the second camera portion can rotate in the second connecting portion, and the second connecting portion is rotatably connected to the support rod.

[0018] By adopting the above technical solution, when photographing the experimental operation area from above, the angle of the second connecting part and the second camera part can be adjusted to further facilitate observation of the experiment.

[0019] Preferably, a limiting cavity is provided on the support column, the rotating shaft passes through the support column and extends into the limiting cavity, a limiting assembly is arranged in the limiting cavity, the limiting assembly includes a protrusion and a first block, the protrusion is connected to the side wall of the rotating shaft, the first block is connected to the support column, and when the protrusion abuts against the side wall of the first block away from the first side wall of the support column, the support rod is arranged vertically.

[0020] By adopting the above technical solution, the convex block cooperates with the first block to limit the rotation range of the overhead camera, reduce the possibility of collision between the overhead camera and the display, reduce the possibility of damage to the display and the overhead camera, and ensure the safety of the rotation of the overhead camera.

[0021] Preferably, the limiting assembly also includes a second block, which is connected to the support column. The second block is located at a position where the first block rotates around the rotation axis in a direction away from the first side wall of the support column by a preset angle, and the preset angle is greater than 180 degrees.

[0022] By adopting the above technical solution, the second block also ensures that the overhead camera can shoot the experimental operation area from above, ensuring the stability of the rotation of the overhead camera.

[0023] Preferably, the display is hinged to the support column, and the display can rotate in a vertical direction.

[0024] By adopting the above technical solution, this design allows users to freely adjust the angle of the display according to viewing needs, thereby improving viewing comfort.

[0025] In summary, the utility model has the following beneficial effects:

[0026] 1. The display, main camera and auxiliary camera are integrated on the support column. The auxiliary camera is adjustable, which can reduce the space occupied by the terminal device and facilitate the portability of the terminal device. After turning on the display and main camera, the user can quickly adjust the auxiliary camera to extend for shooting by rotating the components. The terminal device can be deployed quickly. The main camera shoots the experimental operation area from the front, and the auxiliary camera shoots the experimental operation area from the side, which is convenient for observing the experimental operation.

[0027] 2. When it is necessary to shoot the experimental operation area from above, adjust the support rod so that the support rod drives the overlooking camera to shoot the experimental operation area from above. When the overlooking camera is not needed, the support rod can be rotated to keep the support rod in a vertical state, and the support rod is close to the support column, which reduces the space occupied by the terminal device and further facilitates the carrying of the terminal device. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a schematic diagram of the overall structure of a convenient experimental operation terminal device.

[0029] Figure 2 It is a side view of the experimental operation terminal equipment.

[0030] Figure 3 It is an exploded diagram of the adjustment block and the card-connecting assembly.

[0031] Figure 4 This is a top view of the support column.

[0032] Figure 5 yes Figure 4 Cross-sectional view along AA direction.

[0033] Figure 6 It is a schematic diagram of the structure of the auxiliary camera device.

[0034] Description of reference numerals:

[0035] 1. Base; 2. Support column; 21. Slide groove; 22. Active cavity; 23. Limit cavity; 3. Display; 4. Main camera; 5. Adjustment block; 6. Card assembly; 61. Connection block; 62. Adjustment plate; 63. Fixed plate; 7. Auxiliary camera device; 71. Rotation assembly; 711. Extension rod; 712. First shaft rod; 713. Second shaft rod; 72. Auxiliary camera; 721. First connection part; 722. First camera part; 8. Bird's-eye view camera device; 81. Rotation axis; 82. Support rod; 83. Bird's-eye view camera; 831. Second connection part; 832. Second camera part; 9. Limit assembly; 91. Bump; 92. First block; 93. Second block. DETAILED DESCRIPTION

[0036] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0037] A convenient experimental operation terminal device, referring to Figure 1 A support column 2 is connected to the top of the base 1, and a display 3, a main camera 4 and an auxiliary camera device 7 are connected to the support column 2. The display 3, the main camera 4 and the auxiliary camera device 7 are all connected to a power supply. The display 3 and the main camera 4 are all located on the first side wall of the support column 2, and the main camera 4 is located above the display 3. The main camera 4 is used to shoot the experimental operation area from the front, and the auxiliary camera device 7 can shoot the experimental operation area from the side. The display 3 is used to display the shooting pictures of the main camera 4 and the auxiliary camera device 7 in real time; the auxiliary camera device 7 includes a rotating component 71 and an auxiliary camera 72, one end of the rotating component 71 is connected to the support column 2, and the other end is connected to the auxiliary camera 72, and the rotating component 71 can enable the auxiliary camera 72 to freely adjust the angle in space.

[0038] The display 3, main camera 4 and auxiliary camera device 7 are all integrated on the support column 2. The auxiliary camera device 7 is adjustable, which can reduce the space occupied by the terminal device and facilitate the portability of the terminal device. After turning on the display 3 and the main camera 4, the user can quickly adjust the auxiliary camera 72 to extend for shooting by rotating the component 71, and the terminal device can be quickly deployed. The main camera 4 shoots the experimental operation area from the front, and the auxiliary camera 72 shoots the experimental operation area from the side, which is convenient for observing the experimental operation.

[0039] Reference Figure 2 The display 3 is hinged to the support column 2, and the display 3 can rotate in the vertical direction. The maximum angle of rotation of the display 3 around the hinge is 30 degrees. This design allows users to freely adjust the angle of the display 3 according to viewing needs, improving viewing comfort.

[0040] Reference Figure 1An adjustment block 5 is provided between the main camera 4 and the support column 2, and the adjustment block 5 is slidably connected to the support column 2.

[0041] By sliding the adjustment block 5, the main camera 4 can be driven to move in the vertical direction, thereby adjusting the shooting height of the main camera 4. This design allows the user to flexibly adjust the position of the main camera 4 according to actual conditions to meet shooting requirements at different heights and angles.

[0042] Reference Figure 3 , Figure 4 and Figure 5 The support column 2 is provided with a slide groove 21 and an active cavity 22. The slide groove 21 connects the active cavity 22 and the outside, and the length direction of the slide groove 21 is vertically arranged. The adjustment block 5 is connected with a clamping assembly 6, and the clamping assembly 6 includes a connecting block 61, an adjusting plate 62 and a fixing plate 63. The connecting block 61 matches the shape of the slide groove 21, and the connecting block 61 is arranged in the slide groove 21 and is slidably connected to the support column 2. The adjusting plate 62 and the fixing plate 63 are both arranged in the active cavity 22, and the first end of the connecting block 61 is fixedly connected to the adjustment block 5, and the second end is fixedly connected to the adjustment plate 62.

[0043] Reference Figure 3 and Figure 5 The fixing plate 63 is vertically arranged, fixedly connected to the support column 2, in contact with the adjusting plate 62, and the side wall of the fixing plate 63 close to the adjusting plate 62 is wavy, and the side wall of the adjusting plate 62 close to the fixing plate 63 is wavy. The fixing plate 63 and the adjusting plate 62 can move relative to each other or remain relatively still.

[0044] The design of the wavy sidewall enables the adjustment plate 62 and the fixing plate 63 to form a certain friction force when they contact each other, thereby achieving stable fixation of the adjustment block 5 on the support column 2. At the same time, when the adjustment block 5 needs to be moved, only a certain external force needs to be applied to make the adjustment plate 62 and the fixing plate 63 slide relative to each other, thereby driving the adjustment block 5 to slide along the support column 2.

[0045] Reference Figure 6 The support column 2 is columnar and vertically arranged. The auxiliary camera device 7 is located on the second side wall of the support column 2. The third side wall of the support column 2 is connected with a top view camera device 8. The auxiliary camera device 7 and the top view camera device 8 are both at the top of the support column 2. The second side wall of the support column 2 is perpendicular to the first side wall, and the third side wall of the support column 2 is parallel to the second side wall and perpendicular to the first side wall.

[0046] Reference Figure 6The rotating assembly 71 includes an extension rod 711, a first shaft rod 712 and a second shaft rod 713. The extension rod 711 is horizontally arranged, and the first end of the extension rod 711 is fixedly connected to the top of the support column 2. The first shaft rod 712 is horizontally arranged, and the first shaft rod 712 is rotatably connected to the second end of the extension rod 711, and the second shaft rod 713 is rotatably connected to the first shaft rod 712 through a rotating shaft. The length direction of the rotating shaft is perpendicular to the length direction of the first shaft rod 712, the first end of the rotating shaft is plugged into the first shaft rod 712, and the second end is plugged into the second shaft rod 713, the rotating shaft is rotatably connected to the first shaft rod 712, and is rotatably connected to the second shaft rod 713, the axis of the rotating shaft is the axis of the second shaft rod 713, and the axis of the rotating shaft is parallel to the length direction of the rotating shaft.

[0047] The extension rod 711 extends the length of the first shaft rod 712, so that the auxiliary camera 72 is close to one side of the display 3, reducing the possibility of the auxiliary camera 72 colliding with the display 3. The auxiliary camera 72 can adjust the angle in the vertical direction through the first shaft rod 712, and rotate in a direction perpendicular to the vertical direction through the junction. The auxiliary camera 72 can flexibly adjust the shooting angle, thereby meeting the user's multi-angle monitoring needs for the experimental operation process.

[0048] Reference Figure 6 The auxiliary camera 72 includes a first connection portion 721 and a first camera portion 722. The first connection portion 721 half covers the first camera portion 722. The first camera portion 722 can rotate in the first connection portion 721. The first connection portion 721 is rotatably connected to the second shaft 713. The auxiliary camera 72 is used to shoot the experimental operation area from the side.

[0049] When photographing the experimental operation area from the side, the angle of the first connecting portion 721 and the first camera portion 722 can be adjusted to further facilitate observation of the experiment.

[0050] Reference Figure 6 The overhead camera device 8 includes a rotating shaft 81, a support rod 82 and a overhead camera 83. The rotating shaft 81 is horizontally arranged, a first end of the rotating shaft 81 is rotatably connected to the support column 2, and a second end of the rotating shaft 81 is fixedly connected to the support rod 82. The overhead camera 83 is connected to a power source. The overhead camera 83 is used to shoot the experimental operation area from above.

[0051] The support rod 82 can be rotated in the vertical direction through the rotating shaft 81. When it is necessary to shoot the experimental operation area from above, the support rod 82 is adjusted so that the support rod 82 drives the overhead camera 83 to shoot the experimental operation area from above. When the overhead camera 83 is not needed, the support rod 82 can be rotated to keep the support rod 82 in a vertical state. The support rod 82 is close to the support column 2, which reduces the space occupied by the terminal device and further facilitates the carrying of the terminal device.

[0052] Reference Figure 6The overhead camera 83 includes a second connecting portion 831 and a second camera portion 832 . The second connecting portion 831 half covers the second camera portion 832 . The second camera portion 832 can rotate within the second connecting portion 831 . The second connecting portion 831 is rotatably connected to the support rod 82 .

[0053] When photographing the experimental operation area from above, the angle of the second connecting portion 831 and the second camera portion 832 can be adjusted to further facilitate observation of the experiment.

[0054] Reference Figure 5 , the support column 2 is provided with a limiting cavity 23, and a limiting component 9 is projected into the limiting cavity 23. The limiting component 9 includes a protrusion 91, a first block 92, and a second block 93. The first end of the rotating shaft 81 passes through the support column 2 and extends into the limiting cavity 23, and the protrusion 91 is fixedly connected to the side wall of the rotating shaft 81. The first block 92 and the second block 93 are both fixedly connected to the support column 2. When the second rod is in a vertical state, the protrusion 91 abuts against the side wall of the first block 92 away from the first side wall of the support column 2. The first block 92 and the second block 93 have the same shape and size, and the position of the second block 93 is that the first block 92 rotates around the rotating shaft 81 in a direction away from the first side wall of the support column 2 by a preset angle, and the preset angle is greater than 180 degrees. In this embodiment, the preset angle is 240 degrees.

[0055] The convex block 91 cooperates with the first block 92 or the convex block 91 cooperates with the second block 93 to limit the rotation range of the overhead camera 83. The first block 92 is used to reduce the possibility of collision between the overhead camera 83 and the display 3, reduce the possibility of damage to the display 3 and the overhead camera 83, and ensure the safety of the rotation of the overhead camera 83. The second block 93 also ensures that the overhead camera 83 can shoot the experimental operation area from above, ensuring the stability of the rotation of the overhead camera 83.

[0056] The use principle of the present application is as follows: when the terminal device is not used, the support rod 82 and the second shaft rod 713 are adjusted to a vertical setting, and the support rod 82 and the second shaft rod 713 are close to the support column 2, which reduces the space occupied by the terminal device and improves the portability of the device.

[0057] When using the terminal device, the user connects the display 3, the main camera 4, the auxiliary camera 72 and the overhead camera 83 to a power source. The display 3 can display the images captured by the main camera 4, the auxiliary camera 72 and the overhead camera 83 in real time, and adjust the display 3 to a suitable viewing angle.

[0058] The main camera 4 is used to shoot the experimental operation area from the front. The user can adjust the height of the main camera 4 by sliding the adjustment block 5 so that the user can observe the experimental operation process. When adjusting the auxiliary camera 72, the user holds the second shaft rod 713 and adjusts the auxiliary camera 72 in any direction. The auxiliary camera 72 shoots the experimental operation area from the side, and the first connecting part 721 and the first camera part 722 can further adjust the picture shot by the overhead camera 83.

[0059] When adjusting the top-view camera 83, hold the support rod 82 by hand and rotate the support rod 82 240 degrees away from the display 3. At this time, the protrusion 91 abuts against the second block 93, and the top-view camera 83 shoots the experimental operation area from above, and the second connection part 831 and the second camera part 832 can further adjust the picture shot by the top-view camera 83. The display 3, the main camera 4, the auxiliary camera 72 and the top-view camera 83 are quickly adjusted, realizing the rapid deployment of the terminal equipment.

[0060] The embodiments of this specific implementation method are all preferred embodiments of the utility model, and are not intended to limit the protection scope of the utility model. Therefore, all equivalent changes made based on the structure, shape, and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A portable experimental operation terminal device, characterized in that: The invention comprises a base (1), the top of the base (1) is connected to a support column (2), the support column (2) is connected to a display (3), a main camera (4) and an auxiliary camera device (7), the display (3), the main camera (4) and the auxiliary camera device (7) are all connected to a power supply, the display (3) and the main camera (4) are both located on a first side wall of the support column (2), the main camera (4) is located above the display (3), the main camera (4) is used to photograph an experimental operation area from the front, the auxiliary camera device (7) can photograph the experimental operation area from the side, and the display (3) is used to display the photographed images of the main camera (4) and the auxiliary camera device (7) in real time; The auxiliary camera device (7) comprises a rotating assembly (71) and an auxiliary camera (72); one end of the rotating assembly (71) is connected to the support column (2), and the other end is connected to the auxiliary camera (72); the rotating assembly (71) can enable the auxiliary camera (72) to freely adjust its angle in space.

2. A portable experimental operation terminal device according to claim 1, characterized in that: An adjustment block (5) is provided between the main camera (4) and the support column (2); the adjustment block (5) is slidably connected to the support column (2); and the adjustment block (5) can drive the main camera (4) to move in a vertical direction.

3. A portable experimental operation terminal device according to claim 2, characterized in that: The support column (2) is provided with a slide groove (21) and an active cavity (22), the slide groove (21) connects the active cavity (22) with the outside, the adjustment block (5) is connected with a clamping assembly (6), and the clamping assembly (6) is located in the slide groove (21) and the active cavity (22); The clamping assembly (6) comprises a connecting block (61), an adjusting plate (62) and a fixing plate (63); the connecting block (61) matches the sliding groove (21); the connecting block (61) is arranged in the sliding groove (21) and is slidably connected to the supporting column (2); a first end of the connecting block (61) is connected to the adjusting block (5) and a second end is connected to the adjusting plate (62); the fixing plate (63) is connected to the supporting column (2); the fixing plate (63) is in contact with the adjusting plate (62); a side wall of the adjusting plate (62) close to the fixing plate (63) is wavy; a side wall of the fixing plate (63) close to the adjusting plate (62) is wavy; the fixing plate (63) and the adjusting plate (62) can slide relative to each other or be relatively fixed.

4. A portable experimental operation terminal device according to claim 1, characterized in that: The rotating assembly (71) includes an extension rod (711), a first shaft rod (712) and a second shaft rod (713), wherein the first end of the extension rod (711) is connected to the top end of the support column (2), the first shaft rod (712) is horizontally arranged, the first shaft rod (712) is rotationally connected to the second end of the extension rod (711), the second shaft rod (713) is rotationally connected to the first shaft rod (712), the axis of the second shaft rod (713) is perpendicular to the length direction of the first shaft rod (712), and the auxiliary camera (72) is connected to the second shaft rod (713).

5. A portable experimental operation terminal device according to claim 4, characterized in that: The auxiliary camera (72) includes a first connecting portion (721) and a first camera portion (722), wherein the first connecting portion (721) is half-covered in the first camera portion (722), the first camera portion (722) is capable of rotating within the first connecting portion (721), and the first connecting portion (721) is rotationally connected to the second shaft (713).

6. A portable experimental operation terminal device according to claim 1, characterized in that: The support column (2) is connected to a bird's-eye view camera device (8), and the bird's-eye view camera device (8) includes a rotating shaft (81), a support rod (82) and a bird's-eye view camera (83). The rotating shaft (81) is horizontally arranged, and the rotating shaft (81) is rotatably connected to the top of the support column (2). The support rod (82) is fixedly connected to the rotating shaft (81), and the support rod (82) can rotate on a vertical plane. The bird's-eye view camera (83) is connected to the support rod (82), and the bird's-eye view camera (83) is connected to a power supply. The bird's-eye view camera (83) is used to photograph the experimental operation area from above.

7. A portable experimental operation terminal device according to claim 6, characterized in that: The overhead camera (83) comprises a second connecting portion (831) and a second camera portion (832), wherein the second connecting portion (831) is half-covered in the second camera portion (832), the second camera portion (832) is rotatable within the second connecting portion (831), and the second connecting portion (831) is rotatably connected to the support rod (82).

8. The portable experimental operation terminal device according to claim 6, characterized in that: A limiting cavity (23) is provided on the support column (2), the rotating shaft (81) passes through the support column (2) and extends into the limiting cavity (23), a limiting assembly (9) is arranged in the limiting cavity (23), the limiting assembly (9) comprises a protrusion (91) and a first block (92), the protrusion (91) is connected to the side wall of the rotating shaft (81), the first block (92) is connected to the support column (2), and when the protrusion (91) and the first block (92) are in contact with the side wall away from the first side wall of the support column (2), the support rod (82) is arranged vertically.

9. A portable experimental operation terminal device according to claim 8, characterized in that: The limiting assembly (9) further comprises a second block (93), wherein the second block (93) is connected to the support column (2), and the second block (93) is located at a position where the first block (92) rotates around the rotation axis (81) in a direction away from the first side wall of the support column (2) by a preset angle, and the preset angle is greater than 180 degrees.

10. The portable experimental operation terminal device according to claim 1, characterized in that: The display (3) is hinged to the support column (2), and the display (3) can rotate in a vertical direction.

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