Construction site multi-degree-of-freedom video monitoring equipment

Abstract

The utility model discloses a multi-degree-of-freedom video monitoring device for a construction site, which comprises an installation holder, a camera is movably clamped in the installation holder, and a multi-degree-of-freedom adjusting mechanism for driving the camera to move in a large range is arranged on one side of the surface of the installation holder. The multi-degree-of-freedom adjusting mechanism comprises a mounting frame, a first rotating arm, a second rotating arm and a fixing plate, the mounting frame is arranged on one side of the mounting holder, the first rotating arm is movably arranged on one side of the interior of the mounting frame through a rotating shaft, and the second rotating arm is movably arranged at the end, away from the mounting frame, of the first rotating arm through a rotating shaft; a fixing plate is fixedly arranged at the end, away from the first rotating arm, of the second rotating arm, and the fixing plate is fixedly connected with the mounting holder. According to the utility model, the use effect is good, and the shooting degree of freedom and the shooting effect of the camera can be further improved through the multi-degree-of-freedom adjusting mechanism; and the camera can perform shooting by bypassing the mounting stand column.

Description

Technical Field

[0001] The utility model relates to the technical field of video monitoring equipment, in particular to a multi-degree-of-freedom video monitoring equipment for a construction site. Background Art

[0002] Surveillance cameras are usually installed at construction sites, which capture and transmit information from the images. With the development of the Internet, cameras can transmit surveillance images through the Internet, and supervisors can intuitively understand the construction progress and construction standards of the construction site through the images. At the same time, monitoring is also a means to restrain workers, so as to improve construction quality and safety. At the same time, capturing and retaining construction images is also a form of evidence retention.

[0003] However, the most basic angle adjustment function of the video surveillance equipment in the existing technology is already very mature; the pitch angle of the pan / tilt can be adjusted 360 degrees; the rotation angle can be adjusted 360 degrees; these are the most basic adjustment functions that are already very mature in the existing technology; but these adjustments are all based on angle adjustments performed at a fixed installation position; however, they are still insufficient in use in the face of complex construction sites; the camera cannot be driven to change its installation position for shooting; therefore, to address this issue, a multi-degree-of-freedom video surveillance device for construction sites needs to be improved. Utility Model Content

[0004] The utility model aims to provide a multi-degree-of-freedom video monitoring device for a construction site to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a multi-degree-of-freedom video monitoring device for a construction site, comprising a mounting pan-tilt head, a camera is movably arranged inside the mounting pan-tilt head, a multi-degree-of-freedom adjustment mechanism for driving the camera to move over a large range is arranged on one side of the surface of the mounting pan-tilt head, the multi-degree-of-freedom adjustment mechanism comprises a mounting frame, a first rotating arm, a second rotating arm, and a fixed plate, a mounting frame is arranged on one side of the mounting pan-tilt head, a first rotating arm is movably arranged on one side of the mounting frame through a rotating shaft, a second rotating arm is movably arranged on an end of the first rotating arm away from the mounting frame through a rotating shaft; a fixing plate is fixedly arranged on an end of the second rotating arm away from the first rotating arm, and the fixing plate is fixedly connected to the mounting pan-tilt head.

[0006] Preferably, a first servo motor is fixedly provided on one side of the surface of the mounting frame through a mounting seat; a first pulley is fixedly provided on the output shaft end of the first servo motor through a coupling; a second pulley is fixedly provided on the middle part of the rotating shaft where the first rotating arm is located; a first transmission belt is sleeved between the first pulley and the second pulley; the first servo motor can drive the first rotating arm to rotate around the rotating shaft through the first pulley, the second pulley and the first transmission belt.

[0007] Preferably, a second servo motor is fixedly provided on the upper end of the first rotating arm via a mounting seat; a third pulley is fixedly provided on the output shaft end of the second servo motor via a coupling; a fourth pulley is fixedly provided on the middle part of the rotating shaft where the second rotating arm is located; a second transmission belt is sleeved between the third pulley and the fourth pulley; the second servo motor can drive the second rotating arm to rotate around the rotating shaft via the third pulley, the fourth pulley and the second transmission belt.

[0008] Preferably, a wireless signal antenna is fixedly arranged on the surface of the mounting platform; the wireless signal antenna can facilitate the wireless transmission of the captured images by the camera.

[0009] Preferably, a mounting plate is fixedly provided on one side of the surface of the mounting frame, and a column is provided on one side of the surface of the mounting plate; the device as a whole can be conveniently fixedly installed on the upper end of the column through the mounting plate.

[0010] Preferably, mounting holes are provided at the four corners of the outer surface of the mounting plate; the entire device can be conveniently fixed on the column by using the mounting holes in conjunction with expansion screws.

[0011] Preferably, a reinforcing plate is provided between the mounting frame and the mounting plate; the reinforcing plate can improve the overall structural strength between the mounting frame and the mounting plate.

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

[0013] 1. The utility model can further improve the shooting angle and shooting effect of the camera through the multi-degree-of-freedom adjustment mechanism; and give the camera the function of bypassing the installation column to shoot.

[0014] 2. When the utility model is used, it is aimed at the situation of photographing and retaining evidence. When the traditional camera can only photograph the back of the target person, the device can be extended and stretched by rotating the first rotating arm and the second rotating arm to maximize the shooting angle and photograph the side face of the target person, thereby providing assistance for the situation of retaining evidence during the construction process. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1This is a schematic diagram of the overall structure of a multi-degree-of-freedom video monitoring device for a construction site according to the utility model;

[0016] Figure 2 This is a bottom view of a multi-degree-of-freedom video monitoring device for a construction site according to the utility model;

[0017] Figure 3 This is an installation view of a multi-degree-of-freedom video monitoring device and a column at a construction site according to the utility model;

[0018] Figure 4 The utility model is a camera working status video in a multi-degree-of-freedom video monitoring device for a construction site. Figure 1 ;

[0019] Figure 5 The utility model is a camera working status video in a multi-degree-of-freedom video monitoring device for a construction site. Figure 2 ;

[0020] Figure 6 The utility model is a camera working status video in a multi-degree-of-freedom video monitoring device for a construction site. Figure 3 .

[0021] In the figure: 1. Install the pan / tilt; 2. Camera; 3. Install the frame; 4. First rotating arm; 5. Second rotating arm; 6. Fixed plate; 7. First servo motor; 8. First pulley; 9. Second pulley; 10. First transmission belt; 11. Second servo motor; 12. Third pulley; 13. Fourth pulley; 14. Second transmission belt; 15. Wireless signal antenna; 16. Installing plate; 17. Column; 18. Reinforcement plate. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-6The utility model provides a technical solution: a multi-degree-of-freedom video monitoring device for a construction site, comprising a mounting platform 1, a camera 2 is movably engaged inside the mounting platform 1, a multi-degree-of-freedom adjustment mechanism that drives the camera 2 to move over a large range is arranged on one side of the surface of the mounting platform 1, and the multi-degree-of-freedom adjustment mechanism comprises a mounting frame 3, a first rotating arm 4, a second rotating arm 5, and a fixed plate 6. A mounting frame 3 is arranged on one side of the mounting platform 1, a first rotating arm 4 is movably arranged on one side of the mounting frame 3 through a rotating shaft, and a second rotating arm 5 is movably arranged on one end of the first rotating arm 4 away from the mounting frame 3 through a rotating shaft; a fixing plate 6 is fixedly arranged on one end of the second rotating arm 5 away from the first rotating arm 4, and the fixing plate 6 is fixedly connected to the mounting platform 1.

[0024] A first servo motor 7 is fixedly arranged on one side of the surface of the mounting frame 3 through a mounting seat; a first pulley 8 is fixedly arranged on the output shaft end of the first servo motor 7 through a coupling; a second pulley 9 is fixedly arranged in the middle of the rotating shaft where the first rotating arm 4 is located; a first transmission belt 10 is sleeved between the first pulley 8 and the second pulley 9; the first servo motor 7 can drive the first rotating arm 4 to rotate around the rotating shaft through the first pulley 8, the second pulley 9 and the first transmission belt 10;

[0025] A second servo motor 11 is fixedly provided at the upper end of the first rotating arm 4 through a mounting seat; a third pulley 12 is fixedly provided at the output shaft end of the second servo motor 11 through a coupling; a fourth pulley 13 is fixedly provided at the middle of the rotating shaft where the second rotating arm 5 is located; a second transmission belt 14 is sleeved between the third pulley 12 and the fourth pulley 13; the second servo motor 11 can drive the second rotating arm 5 to rotate around the rotating shaft through the third pulley 12, the fourth pulley 13 and the second transmission belt 14;

[0026] A wireless signal antenna 15 is fixedly arranged on the surface of the mounting platform 1; the wireless signal antenna 15 can facilitate the wireless transmission of the captured images by the camera 2;

[0027] A mounting plate 16 is fixedly provided on one side of the surface of the mounting frame 3, and a column 17 is provided on one side of the surface of the mounting plate 16; the mounting plate 16 can be used to conveniently fix the entire device on the upper end of the column 17;

[0028] The four corners of the outer surface of the mounting plate 16 are provided with mounting holes; the device can be conveniently fixed on the column 17 by using the mounting holes and expansion screws;

[0029] A reinforcing plate 18 is provided between the mounting frame 3 and the mounting plate 16 ; the reinforcing plate 18 can improve the overall structural strength between the mounting frame 3 and the mounting plate 16 .

[0030] Working principle: In order to help understand the beneficial effects of the device, an example of a practical scenario of the device is given below. In a factory building, there is only a column 17 supporting the ceiling. After the device is fixed to the upper end of the column 17, as the construction progresses, the construction position gradually shifts from the front of the column 17 to the rear of the construction. No matter how the camera 2 in the prior art is adjusted, it is impossible to capture the situation behind the installation column 17. However, the application document of the present invention is as follows: Figure 4 , Figure 5 As shown, the shooting position can be changed and quickly transferred to the rear of the column 17; thereby, the use effect of the device can be greatly improved;

[0031] The specific rotation process can be that the first servo motor 7 drives the first rotating arm 4 to rotate toward the column 17; then the second servo motor 11 drives the second rotating arm 5 to rotate toward the column 17; thereby, the need to shoot behind the column 17 can be achieved without disassembling and reinstalling the device; so that the supervisor can check the construction conditions in front of the column 17 or behind the column 17 at any time as needed;

[0032] It should be noted that the camera 2 in this application document is installed with the mounting platform 1; the mounting platform 1 itself can drive the camera 2 to rotate in situ and adjust the pitch angle; and the control of the servo motor; are all very mature technologies in the prior art; therefore, this application document will not elaborate on them in detail;

[0033] And when the device is used, it is aimed at the situation of photographing and preserving evidence; when the traditional camera 2 can only photograph the back of the target person; the device can be unfolded and straightened by rotating the first rotating arm 4 and the second rotating arm 5; Figure 6 state to maximize the shooting angle; the side face of the target person can be photographed; thereby improving the auxiliary effect for preserving evidence during the construction process.

[0034] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A multi-degree-of-freedom video monitoring device for a construction site, comprising a pan / tilt platform (1), characterized in that: The mounting platform (1) is provided with a camera (2) in a movable engagement therewith. A multi-degree-of-freedom adjustment mechanism for driving the camera (2) to move over a large range is provided on one side of the surface of the mounting platform (1). The multi-degree-of-freedom adjustment mechanism comprises a mounting frame (3), a first rotating arm (4), a second rotating arm (5), and a fixed plate (6). The mounting platform (1) is provided with a mounting frame (3) on one side. A first rotating arm (4) is movably provided on one side of the mounting frame (3) via a rotating shaft. A second rotating arm (5) is movably provided on one end of the first rotating arm (4) away from the mounting frame (3) via a rotating shaft. A fixed plate (6) is fixedly provided on one end of the second rotating arm (5) away from the first rotating arm (4). The fixed plate (6) is fixedly connected to the mounting platform (1).

2. A construction site multi-degree-of-freedom video monitoring device according to claim 1, characterized in that: A first servo motor (7) is fixedly arranged on one side of the surface of the mounting frame (3) via a mounting seat; a first belt pulley (8) is fixedly arranged on the output shaft end of the first servo motor (7) via a coupling; a second belt pulley (9) is fixedly arranged in the middle of the rotating shaft where the first rotating arm (4) is located; and a first transmission belt (10) is sleeved between the first belt pulley (8) and the second belt pulley (9).

3. The multi-degree-of-freedom video monitoring device for a construction site according to claim 1, characterized in that: A second servo motor (11) is fixedly arranged at the upper end of the first rotating arm (4) via a mounting seat; a third belt pulley (12) is fixedly arranged at the output shaft end of the second servo motor (11) via a coupling; a fourth belt pulley (13) is fixedly arranged at the middle of the rotating shaft where the second rotating arm (5) is located; and a second transmission belt (14) is sleeved between the third belt pulley (12) and the fourth belt pulley (13).

4. The multi-degree-of-freedom video monitoring device for a construction site according to claim 1, characterized in that: A wireless signal antenna (15) is fixedly arranged on the surface of the mounting platform (1).

5. The multi-degree-of-freedom video monitoring device for a construction site according to claim 1, characterized in that: A mounting plate (16) is fixedly arranged on one side of the surface of the mounting frame (3), and a column (17) is arranged on one side of the surface of the mounting plate (16).

6. The multi-degree-of-freedom video monitoring device for a construction site according to claim 5, characterized in that: The four corners of the outer surface of the mounting plate (16) are provided with mounting holes.

7. The multi-degree-of-freedom video monitoring device for a construction site according to claim 5, characterized in that: A reinforcing plate (18) is provided between the mounting frame (3) and the mounting plate (16).

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