CN108058839A - A multi-axis freely adjustable UAV platform - Google Patents

Abstract

The invention discloses a multi-shaft free adjustment unmanned aerial vehicle pan-tilt, which comprises a connecting plate, wherein two rotating shafts are axially arranged on the lower surface of the connecting plate, one end of each rotating shaft is of a bevel gear structure, a transmission shaft is axially arranged on the lower surface of the connecting plate, two ends of each transmission shaft are respectively meshed with the bevel gear structures of the two rotating shafts, and a transmission motor is electrically arranged on the lower surface of the connecting plate. The second steering motor can drive the mounting frame to rotate in the vertical direction when rotating.

Description

A multi-axis freely adjustable UAV platform

technical field

The invention relates to the technical field of unmanned aerial vehicles, in particular to a multi-axis freely adjustable unmanned aerial vehicle platform.

Background technique

At present, the gimbal installation methods of traditional unmanned aerial vehicles are mostly fixed and quick-release. After installation, the position of the gimbal cannot be changed. The shooting and video recording device on the gimbal will be blocked by the aircraft support frame or even the aircraft body when it rotates with the gimbal to shoot video. The shooting effect and customer experience are not good. In order to solve this problem in the prior art, the gimbal is designed as a telescopic The gimbal, when the UAV flies into the air, the gimbal can be expanded through the telescopic bracket to expand the shooting range of the camera, but this telescopic bracket is lifted by a pull rope, and the telescopic bracket is a folding bracket, and the upper and lower ends are respectively connected to the unmanned The machine base and the pan/tilt are hingedly connected, so the elongation and shortening of the stretch can control the rise and fall of the camera, but because the two ends of the telescopic frame are hinged structures, the movement of the pan/tilt is not very stable, so we propose a The multi-axis free adjustment drone platform is used to solve the above problems.

Contents of the invention

The purpose of the present invention is to provide a multi-axis freely adjustable unmanned aerial vehicle platform to solve the problems raised in the above-mentioned background technology.

In order to achieve the above object, the present invention provides the following technical solutions: a multi-axis freely adjustable unmanned aerial vehicle platform, including a connecting plate, the lower surface of the connecting plate is axially equipped with two rotating shafts, and the two rotating shafts One end of the connecting plate is a bevel gear structure, and the lower surface of the connecting plate is equipped with a transmission shaft. A transmission motor is installed, the output shaft of the transmission motor is dynamically connected with the driving gear shaft, the driving gear is meshed with the driven gear, and the driven gear is fixed at the middle position of the transmission shaft, and the side of the transmission shaft is fixedly connected The upper end of the folding rod, and the lower end of the folding rod is hingedly connected to the upper surface of the cloud platform, the lower surface of the cloud platform is fixedly connected with a motor cavity, and the first steering motor is electrically installed in the motor cavity, and the first steering motor The output shaft of the rotating shaft is dynamically connected with the upper end of the rotating rod through a coupling, the lower end of the rotating rod passes through the motor cavity and is hingedly connected with the rotating shaft, one end of the rotating shaft is dynamically connected with the output shaft of the second steering motor, and the second The two steering motors are electrically installed on the side of the rotating shaft, the side of the rotating shaft is fixedly connected to the upper end of the connecting rod, and the connecting rod is fixedly connected to the upper surface of the mounting frame.

Preferably, there are two rotating shafts, the length direction of the two rotating shafts is perpendicular to the length direction of the connecting plate, and the two rotating shafts are axially mounted on both ends of the lower surface of the connecting plate respectively.

Preferably, the length direction of the transmission shaft is consistent with the length direction of the connecting plate, and both ends of the transmission shaft are bevel gear structures.

Preferably, the length direction of the rotating rod is perpendicular to the horizontal plane, and the axial direction of the rotating shaft is parallel to the horizontal plane.

Preferably, the folding rods include an upper folding rod and a lower folding rod, and the lower end of the upper folding rod is hingedly connected to the upper end of the lower folding rod, the number of the folding rods is four groups, and the upper ends of the four groups of the folding rods are connected to The sides at the two ends of the two rotating shafts are fixedly connected, and the planes where the four sets of folding rods are located are perpendicular to the horizontal plane.

Preferably, the motor cavity includes a side wall and a bottom plate, the upper end of the side wall is fixedly connected to the lower surface of the pan-tilt, and the lower end of the side wall is integrally formed with the bottom plate, and a perforation is formed on the bottom plate, and the rotating The lower end of the rod passes through the perforation, the diameter of the perforation is smaller than the diameter of the coupling, and the lower surface of the gas coupling and the upper surface of the bottom plate are locked with rolling balls.

Compared with prior art, the beneficial effect of the present invention is:

1. The present invention can drive the rotation of the driving gear when the transmission motor is turned on, the rotation of the driving gear drives the rotation of the driven gear, and the rotation of the rotation shaft is driven by the rotation of the driven gear. Connected, so the positive and negative rotation of the drive motor can control the camera's lifting;

2. The first steering motor of the present invention can drive the mounting frame to rotate in the horizontal direction when rotating, and the second steering motor can drive the mounting frame to rotate in the vertical direction when rotating to increase the shooting range of the camera.

Description of drawings

Fig. 1 is a structural representation of the present invention;

Fig. 2 is a schematic diagram of enlarged structure at A place in Fig. 1 of the present invention;

Fig. 3 is a schematic diagram of the installation structure of the rotating shaft of the present invention.

In the figure: 1 connecting plate, 2 rotating shaft, 3 transmission shaft, 4 transmission motor, 5 driving gear, 6 driven gear, 7 folding lever, 8 cloud platform, 9 motor chamber, 10 first steering motor, 11 rotating rod, 12 rotating shafts, 13 second steering motors, 14 balls.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Please refer to Figures 1-3, the present invention provides a technical solution: a multi-axis freely adjustable unmanned aerial vehicle platform, including a connecting plate 1, the lower surface of the connecting plate 1 is axially installed with two rotating shafts 2, two One end of the rotating shaft 2 is a bevel gear structure, and the lower surface of the connecting plate 1 is axially mounted with a transmission shaft 3. The length direction of the transmission shaft 3 is consistent with the length direction of the connecting plate 1, and both ends of the transmission shaft 2 are cones. The two ends of the transmission shaft 3 are meshed with the ends of the two rotating shafts 2 respectively, and the two ends of the transmission shaft 3 are meshed with the bevel gear structures of the two rotating shafts 2 respectively. The lower surface of the connecting plate 1 is electrically connected. A transmission motor 4 is permanently installed, the output shaft of the transmission motor 4 is dynamically connected with the driving gear 5, the driving gear 5 is meshed with the driven gear 6, and the driven gear 6 is fixed at the middle position of the transmission shaft 2, and the rotating shaft The number of 2 is two, the length direction of the two rotating shafts 2 is perpendicular to the length direction of the connecting plate 1, and the two rotating shafts 2 are installed on the two ends of the lower surface of the connecting plate 1 respectively, and the driving motor 4 starts to rotate Can drive the rotation of driving gear 5, the rotation of driving gear 5 drives the rotation of driven gear 6.

As shown in Figure 3, the side of transmission shaft 2 is fixedly connected to the upper end of folding rod 7, and the lower end of folding rod 7 is hingedly connected to the upper surface of cloud platform 8, and folding rod 7 comprises upper folding rod and lower folding rod, and upper folding rod The lower end of the lower end is hingedly connected with the upper end of the lower folding rod. The number of folding rods 7 is four groups. The upper ends of the four groups of folding rods 7 are fixedly connected with the sides of the two ends of the two rotating shafts 2, and the planes and horizontal planes of the four groups of folding rods 7 Vertically, the folding rod 7 includes two foldable upper folding rods and lower folding rods. When the rotating shaft 2 rotates, it can drive the rotation of the upper folding rod to realize the folding and unfolding of the folding rod 7, and the structure is stable.

As shown in Figure 2, a motor cavity 9 is fixedly connected to the lower surface of the cloud platform 8, and a first steering motor 10 is electrically installed in the motor cavity 9, and the output shaft of the first steering motor 10 is connected to the rotating rod 11 through a coupling. The upper end of the rotating shaft is dynamically connected, the length direction of the rotating rod 11 is perpendicular to the horizontal plane, the lower end of the rotating rod 11 runs through the motor chamber 9 and is hingedly connected with the rotating shaft 12, the axial direction of the rotating shaft 12 is parallel to the horizontal plane, and one end of the rotating shaft 12 is connected to the second steering motor The output shaft of 13 is dynamically connected, and the second steering motor 13 is electrically installed on the side of the rotating rod 11, the side of the rotating shaft 12 is fixedly connected to the upper end of the connecting rod, and the connecting rod is fixedly connected to the upper surface of the mounting frame. Camera is installed, and motor cavity 9 comprises side wall and base plate, and the upper end of side wall is fixedly connected with the lower surface of cloud platform 8, and the lower end of side wall is integrally formed with base plate, and perforation is provided on base plate, and the lower end of rotating rod 11 runs through this. Perforation, the hole diameter of the perforation is smaller than the diameter of the coupling, the lower surface of the gas coupling and the upper surface of the bottom plate are rollingly clamped with balls 14, and the bottom plate plays the role of supporting the coupling, reducing the suspension of the first steering motor 10. The weight, the coupling and the bottom plate are all embedded with ball grooves, and the balls 14 are rolled and locked in the ball grooves. When the first steering motor 10 rotates, it can drive the mounting frame to rotate in the horizontal direction, and the second steering motor 13 rotates It can drive the installation frame to rotate in the vertical direction.

Working principle: the present invention can drive the rotation of the driving gear 5 when the transmission motor 4 is turned on, the rotation of the driving gear 5 drives the rotation of the driven gear 6, and the driven gear 6 is fixedly sleeved on the rotating shaft 2, so the rotating shaft 2 is When rotating, it can drive the rotation of the upper folding rod to realize the folding and unfolding of the folding rod 7, thereby adjusting the rise and fall of the camera, and the structure is stable. The first steering motor 10 can drive the mounting frame to rotate in the horizontal direction when rotating, and the second Two steering motors 13 can drive the installation frame to rotate in the vertical direction when rotating.

In describing the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "side", "top ", "inner", "front", "central", "both ends" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and It is not to indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, or operate in a particular orientation, and thus should not be construed as limiting the invention.

In addition, the terms "first", "second", "third" and "fourth" are used for descriptive purposes only, and should not be understood as indicating or implying relative importance or implicitly specifying the number of indicated technical features, Thus, a feature defined as "first", "second", "third" and "fourth" may explicitly or implicitly include at least one of such features.

In the present invention, terms such as "installation", "installation", "connection", "fixation" and "rotation connection" should be interpreted in a broad sense unless otherwise clearly specified and limited, for example, it may be a fixed connection, or It can be a detachable connection or integrated; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediary; it can be the internal communication of two components or the interaction relationship between two components Unless otherwise clearly defined, those skilled in the art can understand the specific meanings of the above terms in the present invention according to specific situations.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes, modifications and substitutions can be made to these embodiments without departing from the principle and spirit of the present invention. and modifications, the scope of the invention is defined by the appended claims and their equivalents.

Claims (6)

1. a kind of multiaxis freely adjusts unmanned machine head, including connecting plate (1), it is characterised in that：The following table of the connecting plate (1) Face axis, which moves, is equipped with two rotation axis (2), and one end of two rotation axis (2) is bevel gear structure, the connecting plate (1) Lower surface axis, which moves, is equipped with transmission shaft (3), the both ends of the transmission shaft (3) the bevel gear structure with two rotation axis (2) respectively Engagement connection, the lower surface of the connecting plate (1) are electrically equipped with driving motor (4), the output shaft of the driving motor (4) and master Moving gear (5) axis moves connection, and the driving gear (5) engages connection with driven gear (6), and driven gear (6) fixation is located at The centre position of transmission shaft (2), the side of the transmission shaft (2) are fixedly connected with the upper end of folding rod (7), and folding rod (7) The upper surface of lower end articulated connection holder (8), the lower surface of the holder (8) is fixedly connected with motor cavity (9), the motor cavity (9) the first steering motor (10) is electrically installed, the output shaft of first steering motor (10) passes through shaft coupling and bull stick in (11) upper shaft moves connection, and the lower end of the bull stick (11) is articulated and connected through motor cavity (9) and with shaft (12), described turn One end of axis (12) is moved with the output shaft axis of the second steering motor (13) and is connected, and the second steering motor (13) is electrically mounted on and turns The side of bar (11), the side of the shaft (12) are fixedly connected with the upper end of connecting rod, the connecting rod and mounting bracket upper table Face is fixedly connected.

2. a kind of multiaxis according to claim 1 freely adjusts unmanned machine head, it is characterised in that：The rotation axis (2) Quantity for two, the length direction of two rotation axis (2) is vertical with the length direction of connecting plate (1), and two rotate Axis is moved mounted on the both ends of connecting plate (1) lower surface axis (2) respectively.

3. a kind of multiaxis according to claim 1 freely adjusts unmanned machine head, it is characterised in that：The transmission shaft (3) The length direction of length direction and connecting plate (1) be consistent, and the both ends of transmission shaft (2) are angular wheel structure.

4. a kind of multiaxis according to claim 1 freely adjusts unmanned machine head, it is characterised in that：The bull stick (11) For length direction perpendicular to horizontal plane, the axis direction of the shaft (12) is parallel with horizontal plane.

5. a kind of multiaxis according to claim 1 freely adjusts unmanned machine head, it is characterised in that：The folding rod (7) Including upper folding rod and lower folding rod, and the lower end of upper folding rod and the upper end of lower folding rod are articulated and connected, the folding rod (7) Quantity for four groups, the upper end of folding rod (7) described in four groups is fixedly connected with the side at two rotation axis (2) both ends, and four groups Plane and horizontal plane residing for folding rod (7).

6. a kind of multiaxis according to claim 1 freely adjusts unmanned machine head, it is characterised in that：The motor cavity (9) Including side wall and bottom plate, the upper end of the side wall is fixedly connected with the lower surface of holder (8), and the lower end of side wall and bottom plate one It is body formed, run through on the bottom plate and be equipped with perforation, through the perforation, the aperture of the perforation is less than for the lower end of the bull stick (11) The diameter of shaft coupling, the lower surface of gas shaft coupling and the upper surface of bottom plate, which roll, is arranged with ball (14).