Oblique photogrammetry equipment

Abstract

The utility model discloses oblique photogrammetry equipment which comprises an unmanned aerial vehicle, a mounting seat is fixedly mounted at the bottom of the unmanned aerial vehicle through bolts, a fixed seat is fixedly adjusted in the mounting seat, the fixed seat is in contact with the unmanned aerial vehicle, a rotating seat is rotatably connected in the fixed seat through a bearing, and the rotating seat is in contact with the unmanned aerial vehicle. And a main camera is fixedly mounted at the bottom of the rotating seat. Through the design of the main camera and the inclined camera, shooting measurement can be carried out, under the action of the rotating motor, the rotating motor can drive the rotating seat to rotate, then rotating adjustment of the position of the inclined camera can be achieved, the shooting position can be flexibly adjusted, and through cooperative work of a protruding block, a groove and a first spring, the shooting position can be flexibly adjusted. Certain resistance can be provided for rotation of the rotating seat, the unmanned aerial vehicle can only rotate under driving of the driving motor, even if the unmanned aerial vehicle shakes in the flying process, rotation of the rotating seat cannot be caused, and the adjusting stability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of oblique photogrammetry, in particular to an oblique photogrammetry device. Background Art

[0002] Oblique photography is a high-tech technology developed in the international surveying and mapping field in recent years. It uses multiple sensors on the same flight platform to collect images from five different angles, including one vertical, four oblique angles, etc., to introduce users to a real and intuitive world that conforms to human vision. Therefore, in today's real-life measurement, people mostly use oblique photography technology.

[0003] The utility model patent with patent authorization announcement number CN215767056U discloses a three-dimensional real-scene measurement device based on an oblique photography model, including a drone body, adjustment rods are provided on both sides of the drone body, a protective plate is provided on one side of the adjustment rod, a mounting frame is provided below the drone body, a camera is connected to the inside of the mounting frame, and a screw is threadedly connected to the mounting frame, and a protective block is provided on the top of the screw. The utility model can engage the camera through the mounting frame, and then rotate the screw clockwise so that the screw enters the mounting frame to perform secondary reinforcement on the camera. The protective block can prevent the screw from damaging the surface of the camera, thereby increasing the firmness of the camera and preventing the camera from falling due to vibration when the drone lands, resulting in damage to the camera.

[0004] In the above-mentioned prior art, the shooting position adjustment range of the shooting camera is limited, and during the shooting measurement process, multiple acquisitions may be required to complete the process, which is not convenient to use. Therefore, improvements are needed. Utility Model Content

[0005] The utility model aims to provide an oblique photogrammetry device, which solves the problem that the shooting position adjustment range of the shooting camera is limited.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an oblique photogrammetry device, comprising a drone, a mounting seat is fixedly installed on the bottom of the drone by bolts, a fixed seat is fixedly adjusted inside the mounting seat, the fixed seat is in contact with the drone, a rotating seat is rotatably connected to the inside of the fixed seat by a bearing, a main camera is fixedly installed on the bottom of the rotating seat, a tilt camera is hinged at the bottom of the rotating seat and located on the outside of the main camera, a rotating mechanism is arranged on the rotating seat, and an adjustment mechanism is arranged on the tilt camera.

[0007] Preferably, the number of the tilted cameras is four, and the four tilted cameras are evenly distributed at the lower end of the rotating base. By designing the tilted cameras, the environment can be photographed.

[0008] Preferably, the rotating mechanism includes an annular groove, an annular groove is provided inside the fixed seat, a slider is slidably connected inside the annular groove, a groove is provided inside the fixed seat, the groove is communicated with the annular groove, a convex block is slidably sleeved inside the groove, the convex block is slidably connected to the slider, a guide rod is slidably sleeved inside the convex block, the guide rod is fixedly connected to the slider, a first spring is provided on the outside of the guide rod, a driving motor is fixedly connected inside the fixed seat, and the output end of the driving motor is fixedly connected to the rotating seat. The rotation of the rotating seat is facilitated by designing the rotating mechanism.

[0009] Preferably, there are multiple grooves, and the multiple grooves are evenly distributed inside the fixing seat. By designing multiple grooves, the protrusion can slide into the grooves at different positions.

[0010] Preferably, one end of the first spring is fixedly connected to the projection, and the other end of the first spring is fixedly connected to the slider. The first spring is designed so that the force of the first spring can act on the projection.

[0011] Preferably, the adjustment mechanism includes an electric push rod, the inside of the rotating seat is fixedly connected with an electric push rod, the lower end of the output end of the electric push rod is fixedly connected with a pressure block, the bottom of the pressure block is fixedly connected with four pressure rods evenly distributed, the outer side of the pressure rod is slidably sleeved with a connecting block, the connecting block is fixedly connected to the tilt camera, the bottom of the connecting block contacts a sliding rod, the sliding rod is slidably connected to the rotating seat, a second spring is arranged on the outer side of the sliding rod, the bottom of the sliding rod is fixedly connected with a sponge block, and the sponge block is fixedly connected to the rotating seat. By designing the adjustment mechanism, it is convenient to adjust the angle of the tilt camera.

[0012] Preferably, one end of the second spring is fixedly connected to the rotating seat, and the other end of the second spring is in contact with the connecting block. By designing the second spring, the force of the second spring can act on the connecting block.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0014] 1. The utility model can perform shooting and measurement by designing the functions of the main camera and the tilt camera. Under the action of the rotating motor, the rotating motor can drive the rotating seat to rotate, thereby realizing the rotation adjustment of the tilt camera position, and the shooting position can be flexibly adjusted. The cooperation of the protrusion, the groove and the first spring can provide a certain resistance to the rotation of the rotating seat. The rotating seat can only rotate under the drive of the driving motor. Even if the drone shakes during flight, it will not cause the rotation of the rotating seat, thereby improving the adjustment stability.

[0015] 2. The utility model designs the function of the electric push rod. The output end of the electric push rod can drive the pressure block and the pressure rod to move downward. The downward movement of the pressure rod can squeeze the connecting block. With the hinge of the tilt camera and the rotating seat, the deflection of the tilt camera can be realized, thereby further adjusting the shooting position and further improving the shooting and measuring effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The overall structure of the utility model is three-dimensional Figure 1 ;

[0017] Figure 2 The overall structure of the utility model is three-dimensional Figure 2 ;

[0018] Figure 3 For this utility model Figure 2 A front cross-sectional view of a local structure of a fixing seat;

[0019] Figure 4 For this utility model Figure 3 A magnified image of point A;

[0020] Figure 5 For this utility model Figure 3 Enlarged view of point B.

[0021] In the figure: 1. UAV; 2. Mounting seat; 3. Fixed seat; 4. Rotating seat; 5. Main camera; 6. Tilt camera; 7. Rotating mechanism; 8. Adjusting mechanism; 71. Annular groove; 72. Sliding block; 73. Groove; 74. Bump; 75. Guide rod; 76. First spring; 77. Driving motor; 81. Electric push rod; 82. Pressure block; 83. Pressure rod; 84. Connecting block; 85. Sliding rod; 86. Second spring; 87. Sponge block. 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 , Figure 2 , Figure 3A tilted photogrammetry device comprises a drone 1, a mounting base 2 is fixedly installed on the bottom of the drone 1 by bolts, a fixing base 3 is fixedly adjusted inside the mounting base 2, the fixing base 3 contacts the drone 1, a rotating base 4 is rotatably connected to the inside of the fixing base 3 by a bearing, a main camera 5 is fixedly installed on the bottom of the rotating base 4, a tilted camera 6 is hinged at the bottom of the rotating base 4 and located on the outside of the main camera 5, the number of the tilted cameras 6 is four, and the four tilted cameras 6 are evenly distributed at the lower end of the rotating base 4. By designing the tilted cameras 6, the environment can be photographed, a rotating mechanism 7 is arranged on the rotating base 4, and an adjustment mechanism 8 is arranged on the tilted camera 6.

[0024] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 The rotating mechanism 7 includes an annular groove 71, an annular groove 71 is provided inside the fixed seat 3, a slider 72 is slidably connected inside the annular groove 71, a groove 73 is provided inside the fixed seat 3, the groove 73 is communicated with the annular groove 71, a convex block 74 is slidably sleeved inside the groove 73, the number of the grooves 73 is multiple, and the multiple grooves 73 are evenly distributed inside the fixed seat 3. By designing multiple grooves 73, the convex block 74 can slide into the grooves 73 at different positions, the convex block 74 is slidably connected with the slider 72, and a guide rod 75 is slidably sleeved inside the convex block 74, and the guide rod 75 is fixedly connected to the slider 72. A first spring 76 is provided on the outer side of the guide rod 75, one end of the first spring 76 is fixedly connected to the convex block 74, and the other end of the first spring 76 is fixedly connected to the slider 72. By designing the first spring 76, the force of the first spring 76 can act on the convex block 74, and a driving motor 77 is fixedly connected inside the fixed seat 3, and the output end of the driving motor 77 is fixedly connected to the rotating seat 4. By designing the rotating mechanism 7, the rotation of the rotating seat 4 is convenient.

[0025] See also Figure 1 , Figure 2 , Figure 3 , Figure 5The adjusting mechanism 8 includes an electric push rod 81, which is fixedly connected to the inside of the rotating seat 4, and a pressure block 82 is fixedly connected to the lower end of the output end of the electric push rod 81. Four evenly distributed pressure rods 83 are fixedly connected to the bottom of the pressure block 82. A connecting block 84 is slidably sleeved on the outer side of the pressure rod 83. The connecting block 84 is fixedly connected to the tilt camera 6. The bottom of the connecting block 84 contacts with a sliding rod 85, and the sliding rod 85 is slidably connected to the rotating seat 4. A second spring 86 is arranged on the outer side of the sliding rod 85, and one end of the second spring 86 is fixedly connected to the rotating seat 4, and the other end of the second spring 86 contacts with the connecting block 84. By designing the second spring 86, the force of the second spring 86 can act on the connecting block 84, and a sponge block 87 is fixedly connected to the bottom of the sliding rod 85. The sponge block 87 is fixedly connected to the rotating seat 4. By designing the adjusting mechanism 8, it is convenient to adjust the angle of the tilt camera 6.

[0026] The specific implementation process of the utility model is as follows: when in use, the main camera 5 and the tilt camera 6 can be used to perform shooting and measurement, and the drone 1 can perform flight measurement. When the shooting position needs to be adjusted, the drive motor 77 is started, and the output end of the drive motor 77 drives the rotating seat 4 to rotate. The rotating seat 4 will drive the slider 72 to slide along the annular groove 71, and the slider 72 drives the protrusion 74 to slide along the groove 73. The protrusion 74 will be squeezed and move horizontally. The protrusion 74 will slide along the guide rod 75, and the protrusion 74 squeezes the first spring 76, so that the protrusion 74 can slide out of the groove 73, and the protrusion 74 can be reset and inserted into the groove 73 at another position under the elastic action of the first spring 76. At this time, the rotating seat 4 can be rotated and adjusted, and the shooting position can be adjusted conveniently. Through the cooperation of the protrusion 74, the groove 73 and the first spring 76, a certain resistance can be provided to the rotation of the rotating seat 4, and it can only rotate under the drive of the drive motor 77. Even if the drone 1 shakes during flight, it will not cause the rotation of the rotating seat 4, thereby improving the adjustment stability.

[0027] When the angle of the tilt camera 6 needs to be adjusted, the electric push rod 81 is started, and the output end of the electric push rod 81 drives the pressure block 82 to move downward, and the pressure block 82 drives the pressure rod 83 to move downward, and the pressure block 82 squeezes the connecting block 84, and the connecting block 84 drives the tilt camera 6 to deviate and rotate. At the same time, the connecting block 84 drives the sliding rod 85 to move downward, and the sliding rod 85 squeezes the sponge block 87. At the same time, the connecting block 84 can squeeze the second spring 86, so as to realize the deflection of the tilt camera 6, so as to further adjust the shooting position and further improve the shooting and measurement effect.

[0028] 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. An oblique photogrammetry device, comprising a drone (1), characterized in that: The bottom of the drone (1) is fixedly mounted with a mounting seat (2) by means of bolts, a fixed seat (3) is fixedly and adjustedly mounted inside the mounting seat (2), the fixed seat (3) is in contact with the drone (1), the inside of the fixed seat (3) is rotatably connected with a rotating seat (4) via a bearing, a main camera (5) is fixedly mounted on the bottom of the rotating seat (4), a tilting camera (6) is hingedly mounted at the bottom of the rotating seat (4) and located outside the main camera (5), a rotating mechanism (7) is arranged on the rotating seat (4), and an adjusting mechanism (8) is arranged on the tilting camera (6).

2. The oblique photogrammetry device according to claim 1, characterized in that: The number of the tilting cameras (6) is four, and the four tilting cameras (6) are evenly distributed at the lower end of the rotating base (4).

3. The oblique photogrammetry device according to claim 1, characterized in that: The rotating mechanism (7) comprises an annular groove (71), an annular groove (71) is provided inside the fixed seat (3), a slider (72) is slidably connected inside the annular groove (71), a groove (73) is provided inside the fixed seat (3), the groove (73) is communicated with the annular groove (71), a convex block (74) is slidably sleeved inside the groove (73), the convex block (74) is slidably connected to the slider (72), a guide rod (75) is slidably sleeved inside the convex block (74), the guide rod (75) is fixedly connected to the slider (72), a first spring (76) is arranged on the outer side of the guide rod (75), a driving motor (77) is fixedly connected inside the fixed seat (3), and an output end of the driving motor (77) is fixedly connected to the rotating seat (4).

4. The oblique photogrammetry device according to claim 3, characterized in that: There are a plurality of grooves (73), and the plurality of grooves (73) are evenly distributed inside the fixing seat (3).

5. The oblique photogrammetry device according to claim 3, characterized in that: One end of the first spring (76) is fixedly connected to the protrusion (74), and the other end of the first spring (76) is fixedly connected to the slider (72).

6. The oblique photogrammetry device according to claim 1, characterized in that: The adjusting mechanism (8) comprises an electric push rod (81), the inside of the rotating seat (4) is fixedly connected with the electric push rod (81), the lower end of the output end of the electric push rod (81) is fixedly connected with a pressure block (82), the bottom of the pressure block (82) is fixedly connected with four pressure rods (83) which are evenly distributed, the outer side of the pressure rod (83) is slidably sleeved with a connecting block (84), the connecting block (84) is fixedly connected to the tilt camera (6), the bottom of the connecting block (84) contacts with a sliding rod (85), the sliding rod (85) is slidably connected to the rotating seat (4), the outer side of the sliding rod (85) is provided with a second spring (86), the bottom of the sliding rod (85) is fixedly connected with a sponge block (87), and the sponge block (87) is fixedly connected to the rotating seat (4).

7. The oblique photogrammetry device according to claim 6, characterized in that: One end of the second spring (86) is fixedly connected to the rotating seat (4), and the other end of the second spring (86) is in contact with the connecting block (84).

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