Film and television shooting board positioning device

Abstract

The utility model relates to the technical field of film and television shooting, in particular to a film and television shooting board positioning device which comprises a mounting base, a fixing column fixedly connected to the top of the mounting base, an electric push rod fixedly connected to the bottom of an inner cavity of the fixing column, a lifting column fixedly connected to the top of the electric push rod, and a fixing plate fixedly connected to the top of the lifting column. A rotating plate is fixedly mounted on the front side of the fixed plate through a rotating shaft. The supporting force of equipment can be adjusted, during use, a user firstly stretches the supporting plate towards the outer side, then the user drives the supporting plate to move downwards through the connecting main plate, the supporting plate can support the equipment in a limited mode, and therefore the supporting area of the equipment is increased; and meanwhile, the user pulls the movable clamping frame firstly, then installs the billboard in the positioning main frame, and then loosens the movable clamping frame, so that the movable clamping frame can position and fix the billboard through the spring.

Description

Technical Field

[0001] The utility model relates to the technical field of film and television shooting, in particular to a film and television shooting billboard positioning device. Background Art

[0002] Film and television photography mainly studies the basic knowledge and skills in composition, photography, image editing, film and television production, etc. It performs photography, videography, post-production retouching, and film and television editing in film and television companies and crews. Billboard positioning devices are used in film and television shooting.

[0003] After searching, the announcement number is CN216210399U, and the name is a positioning device for film and television shooting billboards, including a fixed rod, a first bent rod and a second bent rod. Through research and analysis, it is found that the device can clamp and fix billboards of different heights during use through the first bent rod, connecting rod, radar rangefinder and electric telescopic rod. It has a wide range of applications, and can automatically adjust the height of the billboard according to the height of the actor during shooting as a background board, which can effectively improve the shooting work efficiency and has good practical value. However, the following disadvantages still exist to a certain extent.

[0004] For example, when the device is in use, the supporting area of ​​the device cannot be adjusted, so that the device can only be supported by limited supporting force. If the device is hit by external collision, it is easy to cause the device to topple over. In addition, when in use, the device cannot be adjusted according to the size of the billboard components, so that it can only be installed and used for billboards of fixed models. In order to solve the above technical problems, we have designed a billboard positioning device for film and television shooting. Utility Model Content

[0005] The purpose of the utility model is to provide a device for positioning a billboard for filming movies, which has the advantages of increasing the supporting area of ​​the equipment and being able to adjust the positioning components according to the size of the billboard components, thereby solving the problem that the supporting force of the equipment cannot be adjusted during use, and if the equipment is hit by an external impact, it is easy to cause the equipment to topple over, and the equipment cannot be adjusted according to the size of the billboard components.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a film and television shooting billboard positioning device, comprising a mounting base, the top of the mounting base is fixedly connected with a fixing column, the bottom of the inner cavity of the fixing column is fixedly connected with an electric push rod, the top of the electric push rod is fixedly connected with a lifting column, the top of the lifting column is fixedly connected with a fixing plate, the front side of the fixing plate is fixedly installed with a rotating plate through a rotating shaft, the left side of the fixing plate is fixedly connected with a motor, the front side of the rotating plate is provided with a positioning mechanism, the positioning mechanism includes a positioning main frame, the positioning main frame is fixedly installed on the front side of the rotating plate, both sides of the positioning main frame are movably installed with movable card frames, the surface of the mounting base is provided with a supporting mechanism, the supporting mechanism includes a movable hole, the movable hole is opened at the front and rear sides of the mounting base, the inner cavity of the movable hole is movably connected with an extension box, and the opposite sides of the two extension boxes are fixedly connected with a connecting main board.

[0007] Preferably, a fixing box is fixedly connected to the back side of the positioning main frame, a movable plate is movably connected to the inner cavity of the fixing box, a fixing block is fixedly connected to the rear side of the movable card frame, connecting rods are fixedly connected to the opposite sides of the two fixing blocks, one end of the connecting rod close to the movable plate is fixedly connected to the movable plate, springs are fixedly connected to the opposite sides of the two movable plates, a partition plate is movably installed on the front side of the positioning main frame, and mounting card plates are fixedly connected to the upper and lower sides of the partition plate.

[0008] Preferably, the inner cavity of the extension box is movably connected with an extension plate, the number of the extension boxes is four, the opposite sides of the two extension plates are fixedly connected with a support plate, and the opposite sides of the two main connection boards are fixedly installed with fixing bolts.

[0009] Preferably, universal wheels are fixedly connected to the four corners of the bottom of the mounting base, reinforcing plates are fixedly connected to the front and rear sides of the fixing column, and the bottom of the reinforcing plates is fixedly connected to the mounting base.

[0010] Preferably, through holes are provided on both the front and rear sides of the mounting base, and a positioning sleeve is provided on the surface of the lifting column.

[0011] Preferably, a pulling hole is opened on the surface of the partition plate, and pulling handles are fixedly connected to opposite sides of the two movable clamping frames, and limiting guide plates are fixedly connected to both sides of the mounting base.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] The utility model can adjust the supporting force of the equipment through the cooperation of the positioning main frame, the movable plate, the connecting rod, the fixing block, the spring, the movable card frame, the installation card plate, the partition plate, the extension box, the connecting main board, the fixing bolts, the extension plate and the supporting support plate. When in use, the user first stretches the supporting support plate outward, and then the user drives the supporting support plate to move downward through the connecting main board, so that the supporting support plate can support the equipment to a limited extent, thereby increasing the supporting area of ​​the equipment. At the same time, the user first pulls the movable card frame, and then installs the signboard into the positioning main frame, and then loosens the movable card frame, so that the movable card frame can position and fix the signboard through the spring. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional diagram of the structure of the utility model;

[0015] Figure 2 This is a rear perspective view of the structure of the utility model;

[0016] Figure 3 This is a rear exploded stereogram of the local structural positioning mechanism of the utility model;

[0017] Figure 4 It is an exploded stereogram of the local structural support mechanism of the utility model.

[0018] In the figure: 1. Mounting base; 2. Fixed column; 3. Electric push rod; 4. Lifting column; 5. Support mechanism; 6. Positioning mechanism; 7. Fixed plate; 8. Rotating plate; 9. Motor; 10. Positioning main frame; 11. Fixed box; 12. Movable plate; 13. Connecting rod; 14. Fixed block; 15. Spring; 16. Movable card frame; 17. Mounting card plate; 18. Partition plate; 19. Movable hole; 20. Extension box; 21. Connecting main board; 22. Fixed bolt; 23. Extension plate; 24. Support support plate. DETAILED DESCRIPTION

[0019] See also Figure 1-Figure 4A film and television shooting billboard positioning device includes a mounting base 1, a fixing column 2 is fixedly connected to the top of the mounting base 1, an electric push rod 3 is fixedly connected to the bottom of the inner cavity of the fixing column 2, a lifting column 4 is fixedly connected to the top of the electric push rod 3, a fixing plate 7 is fixedly connected to the top of the lifting column 4, a rotating plate 8 is fixedly installed on the front side of the fixing plate 7 through a rotating shaft, a motor 9 is fixedly connected to the left side of the fixing plate 7, a positioning mechanism 6 is arranged on the front side of the rotating plate 8, the positioning mechanism 6 includes a positioning main frame 10, the positioning main frame 10 is fixedly installed on the front side of the rotating plate 8, and both sides of the positioning main frame 10 are movably installed with movable card frames 1 6. A support mechanism 5 is provided on the surface of the mounting base 1. The support mechanism 5 includes a movable hole 19. The movable hole 19 is opened on the front and rear sides of the mounting base 1. The inner cavity of the movable hole 19 is movably connected with an extension box 20. The two extension boxes 20 are fixedly connected with a connecting main board 21 on the opposite sides. By providing the extension box 20, it is convenient to install the support support plate 24. By providing the mounting card plate 17, the partition plate 18 can be limited so that the partition plate 18 can be installed on the positioning main frame 10. By providing the rotating plate 8, it is convenient for the motor 9 to drive the positioning main frame 10 to rotate so as to adjust the angle of the device.

[0020] See also Figure 2 and Figure 3 A fixing box 11 is fixedly connected to the back of the positioning main frame 10, and a movable plate 12 is movably connected to the inner cavity of the fixing box 11. A fixing block 14 is fixedly connected to the rear side of the movable card frame 16. The two fixed blocks 14 are fixedly connected to connecting rods 13 on opposite sides. The end of the connecting rod 13 close to the movable plate 12 is fixedly connected to the movable plate 12, and the opposite sides of the two movable plates 12 are fixedly connected to springs 15. A partition plate 18 is movably installed on the front side of the positioning main frame 10, and the upper and lower sides of the partition plate 18 are fixedly connected to mounting card plates 17. By setting the movable plate 12, the connecting rod 13 can be guided to increase the stability of the connecting rod 13 when moving.

[0021] See also Figure 1 and Figure 4 The inner cavity of the extension box 20 is movably connected with an extension plate 23, and the number of extension boxes 20 is four. The opposite sides of the two extension plates 23 are fixedly connected with support plates 24, and the opposite sides of the two connecting main boards 21 are fixedly installed with fixing bolts 22. By setting the fixing bolts 22, the connecting main board 21 can be limited and fixed to prevent the connecting main board 21 from being unstable.

[0022] See also Figure 1 and Figure 4 The four corners of the bottom of the mounting base 1 are fixedly connected with universal wheels, the front and rear sides of the fixing column 2 are fixedly connected with reinforcing plates, and the bottom of the reinforcing plate is fixedly connected to the mounting base 1.

[0023] See also Figure 1 and Figure 2 Through holes are provided on both the front and rear sides of the mounting base 1, and a positioning plate is fixedly sleeved on the surface of the lifting column 4. By setting the positioning plate, the lifting column 4 can be guided and limited to prevent the lifting column 4 from shaking when moving.

[0024] See also Figure 1 , Figure 2 and Figure 3 A pulling hole is provided on the surface of the partition plate 18, and pulling handles are fixedly connected to the opposite sides of the two movable card frames 16. Limiting guide plates are fixedly connected to both sides of the mounting base 1. By setting the limiting guide plates, the main board 21 can be connected for guiding and limiting to prevent the main board 21 from shaking.

[0025] When in use, the user first adjusts the positioning mechanism 6 according to the size or number of billboards. If multiple billboards need to be installed, the user can install the partition plate 18 on the positioning main frame 10 by installing the card plate 17 to separate the positioning main frame 10. Then the user pulls the two movable card frames 16 so that the staff can install the billboards into the positioning main frame 10. Then, the movable card frame 16 is loosened, so that the movable plate 12 can pull the connecting rod 13 through the rebound force of the spring 15. At the same time, the connecting rod 13 drives the movable card frame 16 to position the billboard through the fixed block 14. During use, The user then pulls the extension plate 23 so that the extension plate 23 can be moved out of the extension box 20, thereby increasing the support area of ​​the support support plate 24, and then the user moves the connecting main board 21 downward, and then the connecting main board 21 drives the support support plate 24 to move downward through the extension box 20, so that the support support plate 24 can support the equipment, thereby increasing the stability of the equipment's support for the equipment, and then the user fixes the connecting main board 21 with the fixing bolts 22. At the same time, the user can also control the electric push rod 3 and the motor 9 through an external controller, so that the staff can automatically adjust the height and angle of the equipment.

[0026] To sum up: the film and television shooting billboard positioning device, through the installation base 1, fixed column 2, electric push rod 3, lifting column 4, support mechanism 5, positioning mechanism 6, fixed plate 7, rotating plate 8, motor 9 and positioning main frame 10, solves the problem that the supporting force of the equipment cannot be adjusted during use, if the equipment is hit by external factors, it is easy to cause the equipment to topple over, and the equipment cannot be adjusted according to the size of the billboard components.

Claims

1. A video shooting billboard positioning device, comprising a mounting base (1), characterized in that: The top of the mounting base (1) is fixedly connected to a fixing column (2), the bottom of the inner cavity of the fixing column (2) is fixedly connected to an electric push rod (3), the top of the electric push rod (3) is fixedly connected to a lifting column (4), the top of the lifting column (4) is fixedly connected to a fixing plate (7), a rotating plate (8) is fixedly installed on the front side of the fixing plate (7) via a rotating shaft, a motor (9) is fixedly connected to the left side of the fixing plate (7), and a positioning mechanism (6) is arranged on the front side of the rotating plate (8), and the positioning mechanism (6) includes a fixing A main positioning frame (10) is fixedly mounted on the front side of the rotating plate (8), and movable clamping frames (16) are movably mounted on both sides of the main positioning frame (10). A support mechanism (5) is arranged on the surface of the mounting base (1), and the support mechanism (5) comprises a movable hole (19). The movable hole (19) is arranged on the front and rear sides of the mounting base (1), and the inner cavity of the movable hole (19) is movably connected to an extension box (20), and the opposite sides of the two extension boxes (20) are fixedly connected to a connecting main board (21).

2. A video shooting billboard positioning device according to claim 1, characterized in that: The back side of the positioning main frame (10) is fixedly connected to a fixing box (11), the inner cavity of the fixing box (11) is movably connected to a movable plate (12), the rear side of the movable clamping frame (16) is fixedly connected to a fixing block (14), the opposite sides of the two fixing blocks (14) are fixedly connected to connecting rods (13), one end of the connecting rod (13) close to the movable plate (12) is fixedly connected to the movable plate (12), the opposite sides of the two movable plates (12) are fixedly connected to springs (15), the front side of the positioning main frame (10) is movably installed with a partition plate (18), and the upper and lower sides of the partition plate (18) are fixedly connected to mounting clamping plates (17).

3. A video shooting billboard positioning device according to claim 1, characterized in that: The inner cavity of the extension box (20) is movably connected to an extension plate (23), the number of the extension boxes (20) is four, the opposite sides of the two extension plates (23) are fixedly connected to support plates (24), and the opposite sides of the two connecting main boards (21) are fixedly installed with fixing bolts (22).

4. The device for positioning a video and filming billboard according to claim 1, characterized in that: Universal wheels are fixedly connected to the four corners of the bottom of the mounting base (1), and reinforcing plates are fixedly connected to the front and rear sides of the fixing column (2), and the bottom of the reinforcing plate is fixedly connected to the mounting base (1).

5. The device for positioning a video shooting billboard according to claim 1, characterized in that: Through holes are provided on both the front and rear sides of the installation base (1), and a positioning plate is fixedly sleeved on the surface of the lifting column (4).

6. A video shooting billboard positioning device according to claim 2, characterized in that: A pulling hole is provided on the surface of the partition plate (18), and pulling handles are fixedly connected to opposite sides of the two movable clamping frames (16), and limiting guide plates are fixedly connected to both sides of the mounting base (1).

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