Camera fixer and fixing method thereof

Abstract

The invention discloses a camera fixer and a fixing method thereof, and relates to the technical field of marine camera shooting equipment, the camera fixer comprises a triangular bottom plate and a triangular top plate, the top surface of the triangular bottom plate is provided with second connecting rods, the bottom surface of the triangular top plate is provided with first connecting rods, and the first connecting rods are connected with the corresponding second connecting rods through hinge mechanisms; a fixing ring is fixedly arranged in the middle of the top face of the triangular top plate, a fixing disc is installed in the fixing ring, three arc-shaped clamping plates are arranged between the fixing ring and the fixing disc, the triangular top plate is connected with the three arc-shaped clamping plates through a clamping mechanism, and a camera is installed on the top face of the fixing disc. According to the invention, rapid installation and fixation of the camera are facilitated, rapid horizontal adjustment can be carried out according to conditions, the shooting stability of the camera is ensured, and the shooting effect of the camera is also ensured.

Description

Technical Field

[0001] The invention relates to the technical field of marine camera equipment, and in particular to a camera fixer and a fixing method thereof. Background Art

[0002] The Chinese utility model patent discloses a fixing bracket for marine camera equipment (publication number: CN215259080U), which includes a support seat and a fixing block, wherein the support seat and the fixing block are rotatably connected, and a clamping component is provided at the lower end of the fixing block; a support plate is rotatably mounted on the upper side of the support seat, and a baffle is installed on the upper side of the support plate.

[0003] 1. Cameras are usually installed on the walls of ships. It is not convenient to install cameras on open decks. Only partial angles can be captured, and the operation on the deck cannot be effectively monitored. 2. After the camera is installed, the ship will shake during navigation, causing the camera to be unable to remain in a horizontal position and unable to be adjusted in time according to the situation, affecting the actual camera effect. Summary of the invention

[0004] The purpose of the present invention is to solve the shortcomings of the prior art that the camera is not firmly installed and the horizontal adjustment is inconvenient, and to propose a camera fixer and a fixing method thereof.

[0005] In order to solve the problems of the existing technology that the camera is not firmly installed and the horizontal adjustment is inconvenient, the present invention adopts the following technical solutions:

[0006] A maritime camera holder, comprising a triangular bottom plate, a triangular top plate is arranged directly above the triangular bottom plate, first U-shaped seats with openings facing upwards are fixedly arranged at three corners of the top surface of the triangular bottom plate, a second link with an active hinge is arranged in the opening of each of the first U-shaped seats, second U-shaped seats with openings facing downwards are fixedly arranged at three corners of the bottom surface of the triangular top plate, a first link with an active hinge is arranged in the opening of each of the second U-shaped seats, and each of the first link is connected to the corresponding second link through a hinge mechanism;

[0007] A fixing ring is fixedly provided in the middle of the top surface of the triangular top plate, and a fixing plate with a snap-connected connection is installed inside the fixing ring. Three arc-shaped clamping plates arranged in a circle around the fixing plate are provided between the fixing ring and the fixing plate. The triangular top plate is connected to the three arc-shaped clamping plates through a clamping mechanism, and a flange is installed on the top surface of the fixing plate. A vertically fixed fixing bracket is provided in the middle of the top surface of the flange, and a camera is installed in the middle of the fixing bracket.

[0008] Preferably, the hinge mechanism includes a T-shaped ear seat and a U-shaped ear seat, the bottom end of the first connecting rod is inserted with a first connecting shaft for rotational connection, the bottom end of the first connecting shaft is fixed with a T-shaped ear seat, the top end of the second connecting rod is inserted with a second connecting shaft for rotational connection, the top end of the second connecting shaft is fixed with a U-shaped ear seat, and the opening of the U-shaped ear seat is movably hinged to the T-shaped ear seat through a pin shaft.

[0009] Preferably, three circularly arranged micro-control motors are fixedly provided on the top surface of the triangular base plate, a crank is fixedly provided on the end of the motor shaft of each micro-control motor, a third connecting rod with a movably hinged connection is provided on the outer end of each crank, a rectangular through hole is opened in the middle part of each second connecting rod, the outer end of each third connecting rod extends into the corresponding rectangular through hole, and the outer end of each third connecting rod is movably hinged to the rectangular through hole through a pin shaft.

[0010] Preferably, a suspended triangular bracket is provided in the middle of the bottom surface of the triangular top plate, connecting rods are fixed at the three corners of the top surface of the triangular bracket, the top end of each connecting rod is fixedly connected to the bottom surface of the triangular top plate, and an electric-controlled level is installed in the middle of the bottom surface of the triangular bracket.

[0011] Preferably, a first through hole is opened in the middle of the top surface of the triangular base plate, and a single-chip microcomputer is arranged inside the first through hole. The signal output end of the electric level is electrically connected to the signal receiving end of the single-chip microcomputer through a wired manner, and the control output end of the single-chip microcomputer is electrically connected to the control receiving ends of the three micro-controlled motors through a wired manner.

[0012] Preferably, the clamping mechanism includes a translation plate, the outer ring surface of the fixing ring is provided with three circularly arranged limit through holes, a first ear seat is fixedly provided at the rear end of the top surface of the triangular top plate, an electric-controlled telescopic cylinder with the output end facing forward is fixedly provided in the middle of the first ear seat, a translation plate is fixedly provided at the end of the telescopic rod of the electric-controlled telescopic cylinder, and the front end of the translation plate slides through the corresponding limit through holes and is fixedly connected to the arc-shaped clamping plate.

[0013] Preferably, a pair of symmetrically distributed second ear seats are fixedly provided at the rear middle of the two side walls of the triangular top plate, a third connecting shaft for rotational connection is inserted in the middle of each of the second ear seats, an L-shaped swing arm is fixedly provided at the top end of each of the third connecting shafts, and the front end portion of each of the L-shaped swing arms slides through the corresponding limiting through hole and is fixedly connected to the arc-shaped clamping plate.

[0014] Preferably, a pair of symmetrically distributed racks are fixed on the two side surfaces of the translation plate, and a pair of symmetrically distributed sector gears are fixed on the rear ends of a pair of L-shaped swing arms. A linkage shaft is provided between each of the racks and the corresponding sector gears, and the bottom end of each linkage shaft is rotatably connected to the top surface of the triangular top plate. The top end of each linkage shaft is sleeved with a concentrically fixed linkage gear, and each of the linkage gears is respectively meshed and connected with the corresponding sector gear and rack.

[0015] Preferably, a second through hole is provided in the middle of the top surface of the triangular top plate, and a concentrically fixed positioning plate is provided in the middle of the bottom surface of the fixed plate, and the positioning plate is inserted in the second through hole; three circularly arranged arc-shaped notches are provided on the outer ring surface of the fixed plate, and each of the arc-shaped clamping plates is abutted against the corresponding arc-shaped notch; a number of circularly arranged bolts are inserted on the outer edge of the top surface of the flange plate, and the bottom end of each of the bolts is threadedly locked with the fixed plate.

[0016] The present invention also proposes a method for fixing a maritime camera fixer, comprising the following steps:

[0017] Step 1: The camera is fixedly mounted on the fixing bracket, the flange is mounted on the fixing plate, and the fixing plate and the positioning plate are mounted in the fixing ring, so that the positioning plate is inserted into the second through hole;

[0018] Step 2: Start the electric telescopic cylinder, and the telescopic rod of the electric telescopic cylinder slowly extends, driving the translation plate, a pair of racks and the corresponding arc-shaped splints to translate forward, the meshing of the racks drives the corresponding linkage gears to rotate, the meshing of the linkage gears drives the corresponding sector gears and the L-shaped swing arm to rotate, and the front end of the L-shaped swing arm drives the corresponding arc-shaped splints to close inward, so that the three arc-shaped splints are all against the corresponding arc-shaped notches;

[0019] Step 3: Use an electric level to measure the horizontal angles of the triangle top plate and the camera in real time, and transmit the measured data to the single-chip microcomputer, which then analyzes and judges the horizontal conditions of each corner of the triangle top plate.

[0020] Step 4: The microcontroller controls the motor shaft of the corresponding micro-control motor to perform fine-tuning rotation, and the motor shaft of the micro-control motor drives the crank to perform fine-tuning rotation, and the corresponding second connecting rod is driven to swing through the third connecting rod. Due to the hinged effect of the U-shaped ear seat and the T-shaped ear seat, the first connecting rod drives the corresponding corner of the triangular top plate to perform fine-tuning;

[0021] Step five, with the cooperation of the single chip microcomputer and three micro-control motors, the triangular top plate and the camera are kept in a horizontal state, and the maritime situation is filmed and photographed through the camera.

[0022] Compared with the prior art, the present invention has the following beneficial effects:

[0023] 1. In the present invention, through the use of the clamping mechanism, the translation plate drives the corresponding arc-shaped clamping plate to translate forward, while a pair of L-shaped swing arms are relatively hinged and swing, and the front end of the L-shaped swing arm drives the corresponding arc-shaped clamping plate to close inward, so that the three arc-shaped clamping plates are all against the corresponding arc-shaped notches, and the camera can be quickly clamped and fixed, thereby enhancing the stability of the camera during installation and preventing it from shaking violently and affecting the stability of shooting;

[0024] 2. In the present invention, through the coordinated use of the articulated mechanism, the horizontal angles of the triangular top plate and the camera are measured in real time by an electric-controlled level meter, and the measured data are transmitted to the single-chip microcomputer, and the single-chip microcomputer judges and analyzes the data, and judges the horizontal conditions of each corner of the triangular top plate. Under the joint cooperation of the single-chip microcomputer and the three micro-controlled motors, the triangular top plate and the camera are kept in a horizontal state;

[0025] In summary, the present invention solves the problems of loose installation and inconvenient horizontal adjustment of the camera, and the overall structural design is compact, which facilitates the rapid installation and fixation of the camera and can be quickly adjusted horizontally according to the situation, which not only ensures the stability of the camera shooting, but also ensures the shooting effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of this application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0027] Figure 1 It is a schematic diagram of the main structure of the present invention;

[0028] Figure 2 It is a bottom view structural schematic diagram of the present invention;

[0029] Figure 3 It is an explosion schematic diagram of the present invention;

[0030] Figure 4 It is a structural schematic diagram of the clamping mechanism of the present invention;

[0031] Figure 5 It is a structural schematic diagram of the hinge mechanism of the present invention;

[0032] Figure 6 It is a schematic diagram of the connection between the fixing plate and the camera of the present invention;

[0033] Serial numbers in the figure: 1. triangular top plate; 2. triangular bottom plate; 3. single-chip microcomputer; 4. triangular bracket; 5. electric level; 6. translation plate; 7. arc clamping plate; 8. fixing ring; 9. L-shaped swing arm; 10. electric telescopic cylinder; 12. rack; 13. linkage gear; 14. sector gear; 15. first connecting rod; 16. T-shaped ear seat; 17. U-shaped ear seat; 18. second connecting rod; 19. third connecting rod; 20. crank; 21. micro-control motor; 22. camera; 23. fixing bracket; 24. flange; 25. fixing plate; 26. positioning plate. DETAILED DESCRIPTION

[0034] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0035] Embodiment 1: This embodiment provides a maritime camera holder, see Figure 1-6 Specifically, it includes a triangular bottom plate 2, a triangular top plate 1 is arranged directly above the triangular bottom plate 2, first U-shaped seats with openings facing upward are fixedly arranged at the three corners of the top surface of the triangular bottom plate 2, and a second link 18 with an active hinge is arranged in the opening of each first U-shaped seat, and second U-shaped seats with openings facing downward are fixedly arranged at the three corners of the bottom surface of the triangular top plate 1, and a first link 15 with an active hinge is arranged in the opening of each second U-shaped seat, and each first link 15 is connected to the corresponding second link 18 through a hinge mechanism;

[0036] A fixing ring 8 is fixedly provided in the middle of the top surface of the triangular top plate 1, and a fixing plate 25 is installed inside the fixing ring 8 for snap-fit ​​connection. Three arc-shaped clamping plates 7 arranged in a circle around the fixing plate 25 are provided between the fixing ring 8 and the fixing plate 25. The triangular top plate 1 is connected to the three arc-shaped clamping plates 7 through a clamping mechanism. A flange 24 is installed on the top surface of the fixing plate 25. A vertically fixed fixing bracket 23 is provided in the middle of the top surface of the flange 24, and a camera 22 is installed in the middle of the fixing bracket 23.

[0037] In the specific implementation process, Figure 2 and Figure 3 As shown, a suspended triangular bracket 4 is provided in the middle of the bottom surface of the triangular top plate 1, and connecting rods are fixed at the three corners of the top surface of the triangular bracket 4, and the top end of each connecting rod is fixedly connected to the bottom surface of the triangular top plate 1, and an electric level 5 is installed in the middle of the bottom surface of the triangular bracket 4;

[0038] A first through hole is provided in the middle of the top surface of the triangular bottom plate 2, and a single-chip microcomputer 3 is provided inside the first through hole. The signal output end of the electric level 5 is electrically connected to the signal receiving end of the single-chip microcomputer 3 by wire, and the control output end of the single-chip microcomputer 3 is electrically connected to the control receiving ends of the three micro-control motors 21 by wire.

[0039] The horizontal angles of the triangular top plate 1 and the camera 22 are measured in real time by the electric level 5, and the measured data are transmitted to the single chip microcomputer 3, and the single chip microcomputer 3 judges and analyzes the data and judges the horizontal conditions of each corner of the triangular top plate 1.

[0040] In the specific implementation process, Figure 3 and Figure 4 As shown, the clamping mechanism includes a translation plate 6, the outer ring surface of the fixing ring 8 is provided with three circularly arranged limiting through holes, a first ear seat is fixedly provided at the rear end of the top surface of the triangular top plate 1, an electric-controlled telescopic cylinder 10 with the output end facing forward is fixedly provided in the middle of the first ear seat, a translation plate 6 is fixedly provided at the end of the telescopic rod of the electric-controlled telescopic cylinder 10, and the front end of the translation plate 6 slides through the corresponding limiting through holes and is fixedly connected to the arc clamping plate 7;

[0041] A pair of symmetrically distributed second ear seats are fixedly provided at the middle and rear of the two side walls of the triangular top plate 1, and a third connecting shaft for rotational connection is inserted in the middle of each second ear seat, and an L-shaped swing arm 9 is fixedly provided at the top end of each third connecting shaft, and the front end of each L-shaped swing arm 9 slides through the corresponding limiting through hole and is fixedly connected to the arc clamping plate 7;

[0042] The telescopic rod of the electric telescopic cylinder 10 slowly extends, driving the translation plate 6, a pair of racks 12 and the corresponding arc-shaped clamping plates 7 to translate forward, and the front end of the L-shaped swing arm 9 drives the corresponding arc-shaped clamping plates 7 to close inward, so that the three arc-shaped clamping plates 7 are all against the corresponding arc-shaped notches.

[0043] It should be noted that: in this embodiment, a second through hole is provided in the middle of the top surface of the triangular top plate 1, and a concentrically fixed positioning plate 26 is provided in the middle of the bottom surface of the fixing plate 25, and the positioning plate 26 is inserted into the second through hole; three circularly arranged arc-shaped notches are provided on the outer ring surface of the fixing plate 25, and each arc-shaped clamping plate 7 is abutted against the corresponding arc-shaped notch; a plurality of circularly arranged bolts are inserted on the outer edge of the top surface of the flange 24, and the bottom end of each bolt is threadedly locked with the fixing plate 25;

[0044] The camera 22 is fixedly mounted on the fixing bracket 23, the flange 24 is mounted on the fixing plate 25, and then the fixing plate 25 and the positioning plate 26 are installed in the fixing ring 8, so that the positioning plate 26 is inserted into the second through hole.

[0045] Embodiment 2: In embodiment 1, there is still the problem that the connection flexibility between the first connecting rod 15 and the second connecting rod 18 is not high. Therefore, based on embodiment 1, this embodiment further includes:

[0046] In the specific implementation process, Figure 3 and Figure 5As shown, the hinge mechanism includes a T-shaped ear seat 16 and a U-shaped ear seat 17. The bottom end of the first connecting rod 15 is inserted with a first connecting shaft for rotational connection, and the bottom end of the first connecting shaft is fixed with the T-shaped ear seat 16. The top end of the second connecting rod 18 is inserted with a second connecting shaft for rotational connection, and the top end of the second connecting shaft is fixed with the U-shaped ear seat 17. The opening of the U-shaped ear seat 17 is movably hinged with the T-shaped ear seat 16 through a pin shaft.

[0047] The T-shaped ear seat 16 is rotatably connected to the bottom end of the first connecting rod 15 through the first connecting shaft, and the U-shaped ear seat 17 is rotatably connected to the top end of the second connecting rod 18 through the second connecting shaft. The T-shaped ear seat 16 and the U-shaped ear seat 17 are in a movable hinge, which greatly improves the connection flexibility between the first connecting rod 15 and the second connecting rod 18.

[0048] Embodiment 3: In embodiment 1, there is still a problem that the second connecting rod 18 cannot drive the first connecting rod 15 to perform hinged swing. Therefore, based on embodiment 1, this embodiment also includes:

[0049] In the specific implementation process, Figure 3 and Figure 5 As shown, three circularly arranged micro-control motors 21 are fixedly arranged on the top surface of the triangular bottom plate 2, a crank 20 is fixedly arranged at the motor shaft end of each micro-control motor 21, and a third connecting rod 19 is movably hinged at the outer end of each crank 20, and a rectangular through hole is opened in the middle of each second connecting rod 18, and the outer end of each third connecting rod 19 extends into the corresponding rectangular through hole, and the outer end of each third connecting rod 19 is movably hinged to the rectangular through hole through a pin shaft;

[0050] The motor shaft of the micro-control motor 21 drives the crank 20 to rotate for fine adjustment, and drives the corresponding second connecting rod 18 to swing through the third connecting rod 19. Due to the hinge effect of the U-shaped ear seat 17 and the T-shaped ear seat 16, the corresponding corner of the triangular top plate 1 is fine-tuned through the first connecting rod 15.

[0051] Embodiment 4: In Embodiment 1, there is still a problem that the pair of L-shaped swing arms 9 cannot swing relative to each other. Therefore, based on Embodiment 1, this embodiment further includes:

[0052] In the specific implementation process, Figure 3 and Figure 4 As shown, a pair of symmetrically distributed racks 12 are fixedly arranged on both sides of the translation plate 6, and a pair of symmetrically distributed sector gears 14 are fixedly arranged at the rear ends of a pair of L-shaped swing arms 9. A linkage shaft is arranged between each rack 12 and the corresponding sector gear 14, and the bottom end of each linkage shaft is rotatably connected to the top surface of the triangular top plate 1, and the top end of each linkage shaft is sleeved with a concentrically fixed linkage gear 13, and each linkage gear 13 is respectively meshed and connected with the corresponding sector gear 14 and the rack 12;

[0053] When the translation plate 6 translates forward, it drives a pair of racks 12 to rotate synchronously, the meshing of the racks 12 drives the linkage gear 13 to rotate, the meshing of the linkage gear 13 drives the corresponding sector gear 14 and the L-shaped swing arm 9 to rotate, and the front end of the L-shaped swing arm 9 drives the corresponding arc-shaped clamping plate 7 to close inward, which can synchronously drive the pair of L-shaped swing arms 9 to swing relative to each other.

[0054] Embodiment 5: Specifically, the working principle and operation method of the present invention are as follows:

[0055] Step 1: The camera 22 is fixedly mounted on the fixing bracket 23, the flange 24 is mounted on the fixing plate 25, and then the fixing plate 25 and the positioning plate 26 are mounted in the fixing ring 8, so that the positioning plate 26 is inserted into the second through hole;

[0056] Step 2: Start the electric telescopic cylinder 10, and the telescopic rod of the electric telescopic cylinder 10 slowly extends, driving the translation plate 6, a pair of racks 12 and the corresponding arc-shaped clamping plate 7 to translate forward, the rack 12 engages to drive the corresponding linkage gear 13 to rotate, the linkage gear 13 engages to drive the corresponding sector gear 14 and the L-shaped swing arm 9 to rotate, and the front end of the L-shaped swing arm 9 drives the corresponding arc-shaped clamping plate 7 to close inward, so that the three arc-shaped clamping plates 7 are all against the corresponding arc-shaped notches;

[0057] Step 3: Use the electric level meter 5 to measure the horizontal angles of the triangular top plate 1 and the camera 22 in real time, and transmit the measured data to the single chip microcomputer 3, and use the single chip microcomputer 3 to judge and analyze the data and judge the horizontal conditions of each corner of the triangular top plate 1;

[0058] Step 4: The motor shaft of the corresponding micro-control motor 21 is controlled by the single chip computer 3 to perform fine-tuning rotation. The motor shaft of the micro-control motor 21 drives the crank 20 to perform fine-tuning rotation. The corresponding second connecting rod 18 is driven to swing by the third connecting rod 19. Due to the hinged effect of the U-shaped ear seat 17 and the T-shaped ear seat 16, the corresponding corner of the triangular top plate 1 is driven to perform fine-tuning by the first connecting rod 15.

[0059] Step 5: Under the cooperation of the single chip microcomputer 3 and the three micro-control motors 21, the triangular top plate 1 and the camera 22 are kept in a horizontal state, and the maritime situation is filmed and photographed by the camera 22.

[0060] The present invention solves the problems of unstable installation and inconvenient horizontal adjustment of the camera, and the overall structure is compactly designed, which facilitates the rapid installation and fixation of the camera and can be quickly adjusted horizontally according to the situation, thus ensuring not only the stability of the camera shooting but also the shooting effect.

[0061] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A maritime camera holder, comprising a triangular base plate (2), characterized in that: A triangular top plate (1) is arranged directly above the triangular bottom plate (2); first U-shaped seats with openings facing upward are fixedly arranged at three corners of the top surface of the triangular bottom plate (2); a second U-shaped seat with openings facing downward is fixedly arranged at three corners of the bottom surface of the triangular top plate (1); a first connecting rod (15) with openings facing upward is fixedly arranged in the opening of each of the first U-shaped seats; each of the first connecting rods (15) is connected to a corresponding second connecting rod (18) via a hinge mechanism; A fixing ring (8) is fixedly provided in the middle of the top surface of the triangular top plate (1), a fixing plate (25) connected in a snap-fitting manner is installed inside the fixing ring (8), three arc-shaped clamping plates (7) arranged in a circle around the fixing plate (25) are provided between the fixing ring (8) and the fixing plate (25), the triangular top plate (1) is connected to the three arc-shaped clamping plates (7) through a clamping mechanism, a flange plate (24) is installed on the top surface of the fixing plate (25), a fixing bracket (23) fixed vertically is provided in the middle of the top surface of the flange plate (24), and a camera (22) is installed in the middle of the fixing bracket (23).

2. A maritime camera holder according to claim 1, characterized in that: The hinge mechanism comprises a T-shaped ear seat (16) and a U-shaped ear seat (17); a first connecting shaft for rotational connection is inserted into the bottom end of the first connecting rod (15); a T-shaped ear seat (16) is fixedly provided at the bottom end of the first connecting shaft; a second connecting shaft for rotational connection is inserted into the top end of the second connecting rod (18); a U-shaped ear seat (17) is fixedly provided at the top end of the second connecting shaft; an opening of the U-shaped ear seat (17) is movably hinged to the T-shaped ear seat (16) via a pin.

3. A maritime camera holder according to claim 2, characterized in that: The top surface of the triangular base plate (2) is fixedly provided with three circularly arranged micro-control motors (21), the motor shaft end of each micro-control motor (21) is fixedly provided with a crank (20), the outer end of each crank (20) is provided with a third connecting rod (19) that is movably hinged, the middle part of each second connecting rod (18) is provided with a rectangular through hole, the outer end of each third connecting rod (19) extends into the corresponding rectangular through hole, and the outer end of each third connecting rod (19) is movably hinged to the rectangular through hole via a pin shaft.

4. A maritime camera holder according to claim 3, characterized in that: A suspended triangular bracket (4) is provided in the middle of the bottom surface of the triangular top plate (1), connecting rods are fixed at three corners of the top surface of the triangular bracket (4), and the top end of each connecting rod is fixedly connected to the bottom surface of the triangular top plate (1), and an electric-controlled level (5) is installed in the middle of the bottom surface of the triangular bracket (4).

5. A maritime camera holder according to claim 4, characterized in that: A first through hole is provided in the middle of the top surface of the triangular base plate (2), a single chip microcomputer (3) is provided inside the first through hole, a signal output end of the electric level (5) is electrically connected to a signal receiving end of the single chip microcomputer (3) by wire, and a control output end of the single chip microcomputer (3) is electrically connected to control receiving ends of three micro-control motors (21) by wire.

6. A maritime camera holder according to claim 5, characterized in that: The clamping mechanism comprises a translation plate (6), the outer ring surface of the fixing ring (8) is provided with three circularly arranged limiting through holes, a first ear seat is fixedly provided at the rear end of the top surface of the triangular top plate (1), an electric telescopic cylinder (10) with an output end facing forward is fixedly provided in the middle of the first ear seat, a translation plate (6) is fixedly provided at the end of the telescopic rod of the electric telescopic cylinder (10), and the front end of the translation plate (6) slides through the corresponding limiting through holes and is fixedly connected to the arc clamping plate (7).

7. A maritime camera holder according to claim 6, characterized in that: A pair of symmetrically distributed second ear seats are fixedly provided at the rear of the two side walls of the triangular top plate (1), a rotatably connected third connecting shaft is inserted into the middle of each of the second ear seats, an L-shaped swing arm (9) is fixedly provided at the top end of each of the third connecting shafts, and the front end of each of the L-shaped swing arms (9) slides through the corresponding limiting through hole and is fixedly connected to the arc-shaped clamping plate (7).

8. A maritime camera holder according to claim 7, characterized in that: A second through hole is provided in the middle of the top surface of the triangular top plate (1), and a concentrically fixed positioning plate (26) is provided in the middle of the bottom surface of the fixing plate (25), and the positioning plate (26) is inserted into the second through hole; three circularly arranged arc-shaped notches are provided on the outer ring surface of the fixing plate (25), and each of the arc-shaped clamping plates (7) is abutted against the corresponding arc-shaped notch; a plurality of circularly arranged bolts are inserted into the outer edge of the top surface of the flange plate (24), and the bottom end of each of the bolts is threadedly locked with the fixing plate (25).

9. A method for fixing a maritime camera fixture according to any one of claims 1 to 8, characterized in that: The following steps are involved: Step 1: The camera (22) is fixedly mounted on the fixing bracket (23), the flange (24) is mounted on the fixing plate (25), and then the fixing plate (25) and the positioning plate (26) are mounted in the fixing ring (8), so that the positioning plate (26) is inserted into the second through hole; Step 2: Start the electric telescopic cylinder (10), the telescopic rod of the electric telescopic cylinder (10) slowly extends, driving the translation plate (6), a pair of racks (12) and the corresponding arc-shaped clamping plate (7) to translate forward, the racks (12) mesh and drive the corresponding linkage gear (13) to rotate, the linkage gear (13) meshes and drives the corresponding sector gear (14) and the L-shaped swing arm (9) to rotate, the front end of the L-shaped swing arm (9) drives the corresponding arc-shaped clamping plate (7) to close inward, so that the three arc-shaped clamping plates (7) are all against the corresponding arc-shaped notches; Step 3: Use the electric level meter (5) to measure the horizontal angles of the triangular top plate (1) and the camera (22) in real time, and transmit the measured data to the single chip microcomputer (3). The single chip microcomputer (3) judges and analyzes the data and judges the horizontal conditions of each corner of the triangular top plate (1); Step 4: The motor shaft of the corresponding micro-control motor (21) is controlled by the single chip microcomputer (3) to perform fine-tuning rotation. The motor shaft of the micro-control motor (21) drives the crank (20) to perform fine-tuning rotation. The corresponding second connecting rod (18) is driven to swing by the third connecting rod (19). Due to the hinged effect of the U-shaped ear seat (17) and the T-shaped ear seat (16), the corresponding corner of the triangular top plate (1) is driven to perform fine-tuning by the first connecting rod (15); Step 5: Under the cooperation of the single chip microcomputer (3) and the three micro-control motors (21), the triangular top plate (1) and the camera (22) are kept in a horizontal state, and the maritime situation is filmed and photographed through the camera (22).

Images