CN221757750U - Parallel camera adjustment holder - Google Patents

Abstract

The utility model relates to the technical field of unmanned aerial vehicle accessories, in particular to a parallel camera adjusting cradle head. Including moving platform and quiet platform, it sets up the below at quiet platform to move the platform, the lower surface of quiet platform is provided with 3 at least branches of arranging along quiet platform central line circumference, and every branch includes lead screw, sleeve and hollow motor, the lead screw is articulated with quiet platform lower surface through first articulated seat, the sleeve articulates at the upper surface of moving the platform through the articulated seat of second to use with the lead screw cooperation, hollow motor coaxial setting is on telescopic top, hollow motor's output is provided with the nut, lead screw and nut threaded connection. According to the utility model, the branched chain is arranged between the static platform and the movable platform, and comprises the screw rod, the sleeve and the hollow motor, the screw rod is driven to rotate by the hollow motor, the telescopic length of the screw rod is adjusted, the movable platform is further adjusted to rotate, the cradle head has a focusing function, and the camera can rotate the visual angle according to requirements.

Description

Parallel camera adjustment holder

Technical Field

The utility model relates to the technical field of unmanned aerial vehicle accessories, in particular to a parallel camera adjusting cradle head.

Background

The unmanned plane is called as unmanned plane for short, and is a unmanned plane operated by radio remote control equipment and a self-contained program control device. The unmanned aerial vehicle has the characteristics of small volume, light weight, low cost, flexible operation and high safety, and is widely applied to the fields of aerial photography, detection, search and rescue, resource exploration and the like.

At present, most unmanned aerial vehicle's adjustment cloud platform is all that the camera is simple to be fixed in unmanned aerial vehicle bottom, changes the shooting angle of camera through the flight gesture of controlling unmanned aerial vehicle, under the circumstances of shooting the picture like this, has higher operation requirement to the technician who controls unmanned aerial vehicle, otherwise produces the shake when leading to the fact unmanned aerial vehicle to fly because of controlling unmanned aerial vehicle flight gesture or because of environmental factor influences, can cause the picture quality that the camera shot to decline, and is not steady smooth enough.

Disclosure of utility model

The utility model aims to solve the technical problem of providing a parallel camera adjusting cradle head which is used for adjusting the tilting angle of the cradle head in the shooting process of an unmanned aerial vehicle.

The technical scheme adopted by the utility model for solving the technical problems is that the parallel camera adjusting cradle head comprises a movable platform and a static platform, wherein the movable platform is arranged below the static platform, at least 3 branched chains circumferentially arranged along the center line of the static platform are arranged on the lower surface of the static platform, each branched chain comprises a screw rod, a sleeve and a hollow motor, the screw rod is hinged with the lower surface of the static platform through a first hinging seat, the sleeve is hinged with the upper surface of the movable platform through a second hinging seat and is matched with the screw rod for use, the hollow motor is coaxially arranged at the top end of the sleeve, a nut is arranged at the output end of the hollow motor, and the screw rod is in threaded connection with the nut.

Further, the hollow motor comprises a rotor and a stator, the rotor is arranged on a shoulder of an inner hole shaft of the motor stator through a bearing and a clamp spring, the nut is fixedly connected with the rotor, a spigot structure matched with a sleeve for use is arranged on the stator, and the sleeve is fixedly connected with the stator.

Further, the top of lead screw is provided with the spacing head, the spacing head sets up inside the sleeve, be provided with the stopper in the sleeve, be provided with between stator and the sleeve with the coaxial spacing ring of sleeve.

Further, still include control system, control system includes the controller and with the control panel of controller communication connection, be provided with the mounting groove on the stator, be provided with the sensor of being connected with the control panel communication in the mounting groove, be provided with the magnetism scale on the rotor.

Further, three branched chains are arranged on the static platform, and the screw rod on each branched chain is hollow.

Further, a constraint rod is arranged between the movable platform and the static platform, the constraint rod is coaxial with the second driving mechanism, the upper end of the constraint rod is hinged with the movable platform through a spherical hinge, and the lower end of the constraint rod is fixedly connected with the static platform.

The beneficial effects of the utility model are as follows: through setting up the branch chain between quiet platform and moving the platform, the branch chain includes lead screw, sleeve and cavity motor, drives the lead screw through the cavity motor and rotates, adjusts the flexible length of lead screw, and then adjusts moving the platform and rotate, finally makes the cloud platform have focusing function to let the camera rotate the visual angle as required.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of the structure of a branched chain;

FIG. 3 is a partial cross-sectional view of FIG. 1;

Fig. 4 is an enlarged view at a in fig. 3.

Reference numerals: 1-a static platform; 2-a movable platform; 3-branched; 301-a screw rod; 302-sleeve; 303-a first hinge base; 304-a second hinge mount; 305-nut; 4-a hollow motor; 401-rotor; 402-a stator; 403-bearings; 404-snap springs; 405-mounting groove; 5-a positioning head; 6-limiting blocks; 7-limiting rings; 8-restraining bar; 9-spherical hinge.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

As shown in fig. 1, the parallel camera adjustment cradle head comprises a movable platform 2 and a static platform 1, wherein the movable platform 2 is arranged below the static platform 1, at least 3 branched chains 3 circumferentially arranged along the central line of the static platform 1 are arranged on the lower surface of the static platform 1, each branched chain 3 comprises a screw rod 301, a sleeve 302 and a hollow motor 4, the screw rod 301 is hinged with the lower surface of the static platform 1 through a first hinging seat 303, the sleeve 302 is hinged with the upper surface of the movable platform 2 through a second hinging seat 304 and is matched with the screw rod 301 for use, the hollow motor 4 is coaxially arranged at the top end of the sleeve 302, a nut 305 is arranged at the output end of the hollow motor 4, and the screw rod 301 is in threaded connection with the nut 305.

The fixed platform 1 and the movable platform 2 are square, round or equilateral triangle, the fixed platform 1 is fixedly connected with an unmanned aerial vehicle body, the movable platform 2 is fixedly connected with camera equipment such as a camera or a video camera, the first hinging seat 303 is a Hooke hinging seat, the screw rod 301 is connected with the fixed platform 1 by a Hooke hinge, the second hinging seat 304 is also a Hooke hinging seat, the sleeve 302 is also connected with the movable platform 2 by a Hooke hinge, the upper end of the screw rod 301 stretches into the sleeve 302, the top end of the sleeve 302 is coaxially provided with a hollow motor 4, the hollow motor 4 can be connected with the sleeve 302 by a bolt, the middle part of the hollow motor 4 is provided with a cavity for the screw rod 301 to pass through, the cavity is coaxial with the cavity of the sleeve 302, the output end of the hollow motor 4 is provided with a nut 305, the nut 305 is coaxially arranged with the hollow motor 4 and is in threaded connection with the screw rod 301, and the screw rod 305 is driven to rotate by the rotation of the output end of the hollow motor 4, so that the screw rod 301 moves up and down relative to the sleeve 302, and finally the movable platform 2 tilts; the static platform 1 and the movable platform 2 are connected through at least 3 branched chains 3 to form a parallel structure, so that the movable platform 2 can tilt at multiple angles.

In order to better locate the sleeve 302, further, referring to fig. 2, the hollow motor 4 includes a rotor 401 and a stator 402, the rotor 401 is mounted on a shoulder of an inner hole shaft of the motor stator 402 through a bearing 403 and a clamp spring 404, the nut 305 is fixedly connected with the rotor 401, a spigot structure matched with the sleeve 302 is arranged on the stator 402, and the sleeve 302 is fixedly connected with the stator 402. A spigot structure is provided on the stator 402 of the hollow motor 4 to position the sleeve 302 so that the sleeve 302 is coaxial with the hollow motor 4, and then the sleeve 302 is connected with the stator 402 of the hollow motor 4 by bolts.

In order to control the moving distance of the screw rod 301, further, referring to fig. 4, a limit head 5 is disposed at the top end of the screw rod 301, the limit head 5 is disposed inside the sleeve 302, a limit block 6 is disposed in the sleeve 302, and a limit ring 7 coaxial with the sleeve 302 is disposed between the stator 402 and the sleeve 302. The limiting block 6 may be a circular ring or a circular column, the limiting ring 7 is a circular ring, and the limiting head 5 penetrates through the limiting ring 7 to enter a positioning space formed by the limiting ring 7, the limiting block 6 and the sleeve 302, so that the limiting head 5 can only move up and down in the limiting space, and the tilting angle of the movable platform 2 is easy to control.

In order to realize the accurate control of the moving distance of the screw rod 301, the motor further comprises a control system, the control system comprises a controller and a control panel in communication connection with the controller, a mounting groove 405 is formed in the stator 402, a sensor in communication connection with the control panel is arranged in the mounting groove 405, and a magnetic scale is arranged on the rotor 401. The rotating signal is transmitted to the controller through the control panel, the rotation of the hollow motor 4 is further controlled, the rotating angle signal is transmitted to the control panel through the sensor, the rotating angle of the hollow motor 4 is further controlled, the precise control of the movement of the screw rod 301 is realized, and the precise control of the focusing precision and the visual angle rotating precision of the movable platform 2 is finally realized.

In order to reduce the mass of the holder, further referring to fig. 3, three branched chains 3 are provided on the static platform 1, and the screw 301 on each branched chain 3 is hollow. Three lead screws 301 are circumferentially arranged along the central line of the static platform 1, the three lead screws 301 are arranged in an equilateral triangle, the inside of the lead screws 301 is arranged in a hollow state, and the weight of the branched chain 3 is reduced.

Further, referring to fig. 3, a constraint rod 8 is disposed between the movable platform 2 and the static platform 1, the constraint rod 8 is coaxial with the second driving mechanism, the upper end of the constraint rod 8 is hinged to the movable platform 2 through a spherical hinge 9, and the lower end of the constraint rod 8 is fixedly connected with the static platform 1. When the movable platform 2 tilts, the image pickup apparatus mounted on the movable platform 2 also rotates by the same angle. Because the center of the lower end of the movable platform 2 is connected with the upper end of the constraint rod 8 through the spherical hinge 9, the center of the movable platform 2 is unchanged all the time, and the camera equipment is more stable.

The embodiments of the present utility model are all preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model in this way, therefore: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims (6)

1. The utility model provides a parallel camera adjustment cloud platform, includes movable platform (2) and quiet platform (1), movable platform (2) set up in the below of quiet platform (1), its characterized in that: the lower surface of quiet platform (1) is provided with at least 3 branch chain (3) of arranging along quiet platform (1) central line circumference, and every branch chain (3) include lead screw (301), sleeve (302) and cavity motor (4), lead screw (301) are articulated with quiet platform (1) lower surface through first articulated seat (303), sleeve (302) are articulated at the upper surface of moving platform (2) through second articulated seat (304) and use with lead screw (301) cooperation, cavity motor (4) coaxial setting is on the top of sleeve (302), the output of cavity motor (4) is provided with nut (305), lead screw (301) and nut (305) threaded connection.

2. The parallel camera adjustment head of claim 1, wherein: the hollow motor (4) comprises a rotor (401) and a stator (402), the rotor (401) is mounted on a shoulder of an inner hole shaft of the motor stator (402) through a bearing (403) and a clamp spring (404), the nut (305) is fixedly connected with the rotor (401), a spigot structure matched with the sleeve (302) for use is arranged on the stator (402), and the sleeve (302) is fixedly connected with the stator (402).

3. The parallel camera adjustment head of claim 2, wherein: the top of lead screw (301) is provided with limit head (5), limit head (5) set up inside sleeve (302), be provided with stopper (6) in sleeve (302), be provided with between stator (402) and sleeve (302) with sleeve (302) coaxial spacing ring (7).

4. The parallel camera adjustment head of claim 2, wherein: the motor rotor is characterized by further comprising a control system, the control system comprises a controller and a control panel in communication connection with the controller, a mounting groove (405) is formed in the stator (402), a sensor in communication connection with the control panel is arranged in the mounting groove (405), and a magnetic scale is arranged on the rotor (401).

5. The parallel camera adjustment head of claim 1, wherein: three branched chains (3) are arranged on the static platform (1), and the screw rod (301) on each branched chain (3) is hollow.

6. The parallel camera adjustment head of claim 1, wherein: the novel movable platform is characterized in that a constraint rod (8) is arranged between the movable platform (2) and the static platform (1), the constraint rod (8) is coaxial with the second driving mechanism, the upper end of the constraint rod (8) is hinged with the movable platform (2) through a spherical hinge (9), and the lower end of the constraint rod (8) is fixedly connected with the static platform (1).