DIC camera protection device

Abstract

A DIC camera protection device comprises a protection cover, a protection barrel and a vibration isolation base which are sequentially spliced from top to bottom, the protection cover is used for containing a camera lens and comprises a glass light-transmitting plate, a cover bottom steel plate and an upper annular steel plate, the cover bottom steel plate is fixed to the top face of the upper annular steel plate, and the glass light-transmitting plate is arranged on the cover bottom steel plate. A top face arc-shaped steel plate is fixed to one side of the glass light-transmitting plate, the glass light-transmitting plate is in sliding connection with the inner side face of the top face arc-shaped steel plate, the protection barrel is formed by splicing a plurality of annular steel plates, the vibration isolation base comprises a vibration isolation device and a lower annular steel plate, and the vibration isolation device is fixed in the lower annular steel plate. According to the device, the DIC camera is prevented from being affected by personnel, engineering instruments, construction disturbance, dust raising and the like, the monitoring precision is improved, safety guarantee is provided for major engineering, the angle of the glass light-transmitting plate can be adjusted, the glass light-transmitting plate is made to be perpendicular to the optical axis of the camera, and monitoring and measuring errors caused by optical distortion are reduced to the maximum extent.

Description

Technical Field

[0001] The present invention relates to the technical field of construction monitoring cameras, and in particular to a DIC camera protection device. Background Art

[0002] The DIC camera is a device that uses the digital image correlation method (DIC) for high-precision optical measurement. It can provide high-precision measurement and monitoring for the civil engineering construction process. This high-precision measurement and monitoring requires extremely high stability of the camera's posture. The construction site environment is complex, and interference from personnel and engineering machinery, dust, cement stains, and bottom surface vibration and settlement caused by construction disturbances can cause the DIC camera's posture to change or the lens to become dirty, thereby reducing the accuracy of monitoring and even damaging the DIC camera. Summary of the invention

[0003] The present invention aims to solve the deficiencies of the prior art and provide a DIC camera protection device capable of protecting the DIC camera from environmental influences.

[0004] In order to achieve the above object, the present invention adopts the following technical solutions:

[0005] A DIC camera protection device comprises a protection cover, a protection barrel and a vibration isolation base. The protection cover, the protection barrel and the vibration isolation base are spliced ​​in sequence from top to bottom. The protection cover is used to accommodate a camera lens. The protection cover comprises a glass light-transmitting plate, a cover bottom steel plate and an upper annular steel plate. The cover bottom steel plate is fixed on the top surface of the upper annular steel plate. The glass light-transmitting plate is arranged on the cover bottom steel plate. A top arc-shaped steel plate is fixed on one side of the glass light-transmitting plate. The glass light-transmitting plate is slidably connected to the inner side of the top arc-shaped steel plate. A side steel plate is fixed to each of the two side surfaces of the glass light-transmitting plate and the top arc-shaped steel plate. A notch is provided on the cover bottom steel plate on the inner side surrounded by the glass light-transmitting plate, the two side steel plates and the top arc-shaped steel plate. The protection barrel is assembled from a plurality of annular steel plates. The vibration isolation base comprises a vibration isolation device and a lower annular steel plate. The vibration isolation device is fixed in the lower annular steel plate.

[0006] The bottom end of the glass light-transmitting plate is connected to a rotating shaft, and the glass light-transmitting plate is connected to the cover bottom steel plate through the rotating shaft. One end of the rotating shaft is connected to an adjusting knob, and the adjusting knob is an adjusting gear. The upper part of the adjusting knob protrudes from the opening groove of the cover bottom steel plate. The adjusting knob adjusts the glass light-transmitting plate to be perpendicular to the optical axis of the camera.

[0007] The top arc steel plate and the two side steel plates are welded to the cover bottom steel plate, the cover bottom steel plate is welded to the upper edge of the upper annular steel plate, and the glass light-transmitting plate is tangent to the top arc steel plate when rotating.

[0008] The bottom edge of the upper annular steel plate is connected with a tenon connected to the protection barrel.

[0009] Four mortises are arranged on the top edge of the annular steel plate, and four tenons are arranged on the bottom edge of the annular steel plate. The upper and lower annular steel plates of the protection barrel are connected to each other through the tenons and the mortise and tenon grooves.

[0010] The vibration isolation device comprises an upper steel plate, a lower steel plate and a spring connected between the upper steel plate and the lower steel plate.

[0011] A bubble level is arranged at the center of the upper surface of the upper steel plate.

[0012] A bottom ring cutter is welded to the bottom edge of the lower annular steel plate.

[0013] The side wall of the lower annular steel plate is welded to a fixed steel plate through a side plate, and ground nail holes are reserved on the fixed steel plate.

[0014] Four tongues and grooves are arranged on the top edge of the lower annular steel plate, and the lower annular steel plate is connected with the tenons at the bottom of the annular steel plate through the tongue and grooves.

[0015] The beneficial effects of the present invention are as follows: the present invention provides a DIC camera protection device for engineering construction site monitoring, which prevents personnel, engineering equipment, construction disturbances, dust, etc. from affecting the DIC camera, improves monitoring accuracy, and provides safety protection for major projects. The glass light-transmitting plate can adjust the angle so that it is perpendicular to the camera optical axis, thereby minimizing monitoring and measurement errors caused by optical distortion. The protection device of the present invention has the advantages of simple installation and disassembly, and can be reused, and has environmental benefits and cost benefits. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the present invention;

[0017] Figure 2 It is a schematic diagram of the cross-sectional structure of the present invention;

[0018] Figure 3 It is a schematic diagram of the protective cover structure of the present invention;

[0019] Figure 4 This is a schematic diagram of the angle adjustment of the glass light-transmitting plate of the present invention;

[0020] Figure 5 This is a schematic diagram of the protection barrel and its disassembly structure of the present invention;

[0021] Figure 6 It is a schematic diagram of the vibration isolation base and its disassembled structure of the present invention;

[0022] In the figure: 1-protective cover; 11-top curved steel plate; 12-side steel plate; 13-glass light-transmitting plate; 14-rotating axis; 15-bottom steel plate of the cover; 16-adjusting knob; 17-upper annular steel plate; 18-tenon; 2-protective barrel; 21-annular steel plate; 22-tenon groove; 3-vibration isolation base; 31-vibration isolation device; 311-upper steel plate; 312-lower steel plate; 313-spring; 32-bubble level; 33-lower annular steel plate; 34-ground nail hole; 35-bottom ring knife; 36-side plate; 37-fixed steel plate; 4-camera;

[0023] The following is a detailed description of the embodiments of the invention with reference to the accompanying drawings. DETAILED DESCRIPTION

[0024] The present invention will be further described below in conjunction with the accompanying drawings and embodiments:

[0025] like Figure 1-Figure 6 As shown, a DIC camera protection device includes a protection cover 1, a protection barrel 2 and a vibration isolation base 3. The protection cover 1, the protection barrel 2 and the vibration isolation base 3 are spliced ​​in sequence from top to bottom. The protection cover 1 is used to accommodate the camera 4 lens. The protection cover 1 includes a glass light-transmitting plate 13, a cover bottom steel plate 15 and an upper annular steel plate 17. The cover bottom steel plate 15 is fixed on the top surface of the upper annular steel plate 17. The glass light-transmitting plate 13 is arranged on the cover bottom steel plate 15. One side of the glass light-transmitting plate 13 is fixed to the top surface of the arc-shaped steel plate 11. The glass light-transmitting plate 13 It is slidably connected to the inner side of the top curved steel plate 11, and a side steel plate 12 is fixed to each of the two side surfaces of the glass translucent plate 13 and the top curved steel plate 11. A notch is opened on the bottom steel plate 15 on the inner side surrounded by the glass translucent plate 13, the two side steel plates 12 and the top curved steel plate 11. The protective barrel 2 is assembled from a plurality of annular steel plates 21. The vibration isolation base 3 includes a vibration isolation device 31 and a lower annular steel plate 33. The vibration isolation device 31 is fixed in the lower annular steel plate 33, and the camera 4 is placed inside the protective device.

[0026] The bottom end of the glass light-transmitting plate 13 is connected to a rotating shaft 14, and the glass light-transmitting plate 13 is connected to the cover bottom steel plate 15 through the rotating shaft 14. One end of the rotating shaft 14 is connected to an adjusting knob 16, and the adjusting knob 16 is an adjusting gear. The upper part of the adjusting knob 16 protrudes from the opening groove of the cover bottom steel plate 15. The adjusting knob 16 adjusts the glass light-transmitting plate 13 to be perpendicular to the optical axis of the camera 4. The judgment basis is that the vertical deflection angle θ of the glass light-transmitting plate 13 is equal to the horizontal deflection angle α calculated by the posture of the camera 4.

[0027] The top arc steel plate 11 and the two side steel plates 12 are welded to the cover bottom steel plate 15, the cover bottom steel plate 15 is welded to the upper edge of the upper annular steel plate 17, and the glass transparent plate 13 is tangent to the top arc steel plate 11 when rotating.

[0028] The bottom edge of the upper annular steel plate 17 is connected with a tenon 18 connected to the protection barrel 2 .

[0029] Four mortises 22 are arranged on the top edge of the annular steel plate 21, and four tenons 18 are arranged on the bottom edge of the annular steel plate 21. The upper and lower annular steel plates 21 of the protective barrel 2 are interconnected through the tenons 18 and the mortise and tenon 22. The protective device can adjust the number of annular steel plates 17 according to the height of the camera 4 and the bracket to ensure the light transmittance requirements of the lens of the camera 4.

[0030] The vibration isolation device 31 includes an upper steel plate 311 , a lower steel plate 312 , and a spring 313 connected between the upper steel plate 311 and the lower steel plate 312 .

[0031] A bubble level 32 is provided at the center of the upper surface of the upper steel plate 311 to detect whether the upper steel plate 311 is level.

[0032] A bottom ring cutter 35 is welded to the bottom edge of the lower annular steel plate 33 to facilitate insertion into the ground.

[0033] A fixed steel plate 37 is welded to the side wall of the lower annular steel plate 33 via a side plate 36 , and ground nail holes 34 are reserved on the fixed steel plate 37 .

[0034] Four tongues and grooves 22 are arranged on the top edge of the lower annular steel plate 33 , and the lower annular steel plate 33 is connected to the tenon 18 at the bottom of the annular steel plate 21 through the tongue and groove 22 .

[0035] The installation and removal steps of the DIC camera protection device are as follows:

[0036] S1. Installation of vibration isolation base 3:

[0037] Clean the site where the DIC camera is to be set up, remove debris and level it, place the vibration isolation base 3, observe that the bubble level 32 is adjusted to a horizontal position, and drive ground nails into the ground nail holes 34 of the surrounding fixed steel plates 37 to fix the vibration isolation base 3;

[0038] S2, installation of protective barrel 2:

[0039] Preliminarily set up the camera 4 on the vibration isolation base 3, determine the appropriate height of the camera 4, and thus determine the number n of the annular steel plates 21, first install n / 2 rounded-down annular steel plates 21, set up the camera 4, and install the remaining number of annular steel plates 21 to form a protective barrel 2;

[0040] S3, installation of protective cover 1:

[0041] Adjust the posture of the camera 4, aim at the monitoring and measuring target, and place the side of the protective cover 1 with the glass transparent plate 13 in front of the camera 4; install it on the protective barrel 2;

[0042] S4, Angle adjustment of glass light-transmitting plate 13:

[0043] According to the horizontal deflection angle α of the camera 4 calculated from the posture of the camera 4, the adjustment knob 16 is adjusted so that the angle θ of the glass light-transmitting plate 13 is equal to α;

[0044] S5. Disassembly:

[0045] The disassembly sequence is to disassemble the protective cover 1, take out the camera 4, disassemble the protective barrel 2 and then disassemble the vibration isolation base 3.

[0046] In the description of the invention, it is to be understood that the terms “center”, “longitudinal”, “lateral”, “length”, “width”, “thickness”, “up”, “down”, “front”, “back”, “left”, “right”, “vertical”, “horizontal”, “top”, “bottom”, “inside”, “outside”, “clockwise”, “counterclockwise”, “axial”, “radial”, “circumferential”, etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, are only for the convenience of describing the invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the invention.

[0047] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0048] In the invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be fixedly connected, detachably connected, or integrated; it can be mechanically connected, electrically connected, or able to communicate with each other; it can be directly connected, or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the invention can be understood according to specific circumstances.

[0049] The invention is described above by way of example in conjunction with the accompanying drawings. It is obvious that the specific implementation of the invention is not limited to the above-mentioned method. As long as various improvements are made using the method concept and technical solution of the invention, or they are directly applied to other occasions without improvement, they are all within the scope of protection of the invention.

Claims

1. A DIC camera protection device, characterized in that: The invention comprises a protective cover (1), a protective barrel (2) and a vibration isolation base (3), wherein the protective cover (1), the protective barrel (2) and the vibration isolation base (3) are spliced ​​in sequence from top to bottom, the protective cover (1) is used to accommodate a camera (4) lens, the protective cover (1) comprises a glass light-transmitting plate (13), a cover bottom steel plate (15) and an upper annular steel plate (17), the cover bottom steel plate (15) is fixed on the top surface of the upper annular steel plate (17), the glass light-transmitting plate (13) is arranged on the cover bottom steel plate (15), a top arc-shaped steel plate (11) is fixed on one side of the glass light-transmitting plate (13), and the glass light-transmitting plate (13) is fixed on the top surface of the arc-shaped steel plate (11). (13) is slidably connected to the inner side of the top curved steel plate (11), a side steel plate (12) is fixed to each of the two side surfaces of the glass light-transmitting plate (13) and the top curved steel plate (11), a notch is opened on the cover bottom steel plate (15) on the inner side surrounded by the glass light-transmitting plate (13), the two side steel plates (12) and the top curved steel plate (11), the protection barrel (2) is assembled from a plurality of annular steel plates (21), the vibration isolation base (3) includes a vibration isolation device (31) and a lower annular steel plate (33), and the vibration isolation device (31) is fixed in the lower annular steel plate (33).

2. The DIC camera protection device according to claim 1, characterized in that: The bottom end of the glass light-transmitting plate (13) is connected to a rotating shaft (14), and the glass light-transmitting plate (13) is connected to a cover bottom steel plate (15) through the rotating shaft (14). One end of the rotating shaft (14) is connected to an adjusting knob (16), and the adjusting knob (16) is an adjusting gear. The upper part of the adjusting knob (16) protrudes from an opening groove of the cover bottom steel plate (15). The adjusting knob (16) adjusts the glass light-transmitting plate (13) to be perpendicular to the optical axis of the camera (4).

3. The DIC camera protection device according to claim 2, characterized in that: The top curved steel plate (11) and the two side steel plates (12) are welded to the cover bottom steel plate (15), the cover bottom steel plate (15) is welded to the upper edge of the upper annular steel plate (17), and the glass transparent plate (13) is tangent to the top curved steel plate (11) when rotating.

4. The DIC camera protection device according to claim 3, characterized in that: The bottom edge of the upper annular steel plate (17) is connected to a tenon (18) connected to the protection barrel (2).

5. The DIC camera protection device according to claim 4, characterized in that: The top edge of the annular steel plate (21) is provided with four tongues and grooves (22), the bottom edge of the annular steel plate (21) is provided with four tenons (18), and the upper and lower annular steel plates (21) of the protection barrel (2) are connected to each other through the tenons (18) and the tongues and grooves (22).

6. The DIC camera protection device according to claim 5, characterized in that: The vibration isolation device (31) comprises an upper steel plate (311), a lower steel plate (312), and a plurality of springs (313) connected between the upper steel plate (311) and the lower steel plate (312).

7. The DIC camera protection device according to claim 6, characterized in that: A bubble level (32) is arranged at the center of the upper surface of the upper steel plate (311).

8. The DIC camera protection device according to claim 7, characterized in that: A bottom ring cutter (35) is welded to the bottom edge of the lower annular steel plate (33).

9. The DIC camera protection device according to claim 8, characterized in that: A fixed steel plate (37) is welded to the side wall of the lower annular steel plate (33) via a side plate (36), and a ground nail hole (34) is reserved on the fixed steel plate (37).

10. The DIC camera protection device according to claim 9, characterized in that: Four tongues and grooves (22) are arranged on the top edge of the lower annular steel plate (33), and the lower annular steel plate (33) is connected to the tenon (18) at the bottom of the annular steel plate (21) through the tongue and groove (22).

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