WO2018076822A1

WO2018076822A1 - Counterweight rotary support and pan-tilt device consisting of same, and counterweight method

Info

Publication number: WO2018076822A1
Application number: PCT/CN2017/093649
Authority: WO
Inventors: 周继双; 温勇; 王健; 周杰凌
Original assignee: 深圳市随拍科技有限公司
Priority date: 2016-10-31
Filing date: 2017-07-20
Publication date: 2018-05-03
Also published as: CN106439425A; CN106439425B

Abstract

Disclosed are a counterweight rotary support and a pan-tilt device consisting of same, and a counterweight method. The counterweight rotary support comprises a support and a movable arm (2) rotatably coupled to the support. A middle section of the movable arm (2) is rotatably coupled to the support, one end of the movable arm (2) is provided with a clamping portion (3) for installing an image collecting apparatus (311), and the other end of the movable arm (2) is provided with a counterweight mechanism (21). By adjusting the counterweight mechanism (21), the movable arm (2) and the support can reach a balance of centre of gravity, and at the same time, a battery, a circuit board and electronic elements of the pan-tilt device can serve as a part of or the whole of the counterweight mechanism (21), achieving an object with multiple functions. In addition, an image collecting apparatus (311) is arranged at one end of the movable arm (2) via the clamping portion (3), and can rotate 360 degrees, thereby increasing the photographic range and at the same time, avoiding the blocking of a photographic line of sight.

Description

Counterweight rotating bracket and cloud platform and weight method thereof

Technical field

The present invention relates to a gimbal, and more particularly to a counterweight rotating bracket and a pan and counterweight method constructed therefrom.

Background technique

At present, most of the pan/tilt on the market is a three-axis gimbal. For example, a hand-held three-axis pan/tilt with patent number (CN201410612517), the structure of the three-axis pan/tilt is three motors orthogonally distributed in space. The three motors respectively control the pitching X-axis motor, the roll-controlled Y-axis motor, and the heading motion control Z-axis motor. The weight of the pan/tilt is the weight weight or the weight is manually installed. The gimbal comes up to meet the balance of gravity of the gimbal. The way of counterweight relies on manually adding weights. In addition, the three motors provide power and control through the same wire. As the motor rotates, the wires are dragged. It will affect the normal operation of the motor and reduce the stability of the gimbal. Since the rotating axes of the three motors pass through the equipment on the gimbal equipment rack, when moving to a specific state, it is easy to cause the line of sight of the equipment and the equipment and Collisions between power mechanisms.

Summary of the invention

The object of the present invention is to overcome the deficiencies of the prior art, and to provide a counterweight rotating bracket and a pan and counterweight method formed by the same, and the center of gravity of the rotating bracket and the pan/tilt is balanced by an additional weighting mechanism. And there is more room for activity.

In order to achieve the above object, the present invention adopts the following technical solution: a counterweight rotating bracket, comprising a bracket, and a movable arm rotatably coupled with the bracket; a middle section of the movable arm is rotatably coupled with the bracket, and one end of the movable arm is provided There is a clamping portion for mounting the image capturing device, and the other end of the movable arm is provided with a weighting mechanism.

A further technical solution is that the weight mechanism is a fixed structure, including a circuit board, an electronic component and a battery fixed in the movable arm; or the weight mechanism is an adjustable structure or a detachable structure. The utility model comprises a weight and/or a battery slidingly coupled with the movable arm, and a locking mechanism for locking the weight and/or the battery; the detachable structure comprises a weight and a detachable coupling with the movable arm and / or battery, when loading image acquisition equipment of different volume and weight, select the corresponding weight and / or battery to connect with the movable arm.

A further technical solution is that a pitching power mechanism is provided at a rotating joint of the movable arm and the bracket.

A further technical solution is that the pitching power mechanism is a pitching motion electromagnetic component, comprising a pitching motion rotor disposed on the bracket, and a pitching motion stator disposed on the movable arm, and driving the movable arm to perform a pitching motion by an electrical signal.

A further technical solution is that the bracket comprises a fixed end and a coupling portion; the coupling portion is a single-sided structure that is rotatably coupled to the movable arm on one side, or a fork-shaped structure that is rotationally coupled to the movable arm on both sides.

A further technical solution is that one end of the movable arm is rotatably coupled to the clamping portion by a heading dynamic mechanism provided.

A further technical solution is that the heading power mechanism is a heading motion electromagnetic component, comprising a navigational motion rotor connected to the clamping portion, and a navigational motion stator disposed in the movable arm, and driving the clamping portion to perform a heading motion by an electrical signal.

A further technical solution is that the coupling portion and the fixed end are rotatably coupled, and the coupling portion and the fixed end rotary joint are provided with a horizontal rolling force mechanism.

A further technical solution is that the horizontal rolling force mechanism is a roll motion electromagnetic component, including a roll motion stator disposed on the coupling portion, and a roll motion rotor disposed at the fixed end.

A further technical solution is that the fixed end and the connecting portion are telescopically coupled.

A further technical solution is that the clamping portion is a folded structure, including a clamping bottom that is rotatably coupled to the movable arm, and a clamping body coupled to the clamping bottom hinge.

A pan/tilt head for fixing an image capturing device, comprising a fixed base, wherein the fixed base is further provided with the bracket; one end of the bracket is rotatably coupled with the movable arm, and the other end is fixedly coupled with the fixed base .

A method for weighting a counterweight rotating bracket includes the following steps:

Step 1: Install the image acquisition device on the clamping portion so that the center of gravity of the image acquisition device is at the center of the clamping portion;

The second step: using an adjustable weight mechanism or a detachable weight mechanism, by adjusting the weight mechanism, the center of gravity of the movable arm and the article fixedly coupled thereto is located at the center of rotation of the movable arm and the bracket.

A further technical solution is: when the adjustable weight mechanism is adopted, the adjustable weight mechanism is a weight or a battery with a locking mechanism; and the image collecting device mounted on the clamping portion is rotated to a horizontal position When you let go, if the lower end of the movable arm moves downward, slide the weight or battery toward the image acquisition device. If the lower end of the movable arm moves upward, move the weight or battery away from the image acquisition device. The sliding direction is such that the movable arm body and the image collecting device reach the center of gravity balance, and the weight is locked by the locking mechanism; when the detachable weight mechanism is adopted, the detachable weight mechanism is detachably coupled with the movable arm For weights or batteries, when loading image acquisition equipment of different volumes and weights, select the corresponding weight or battery to connect with the movable arm.

The beneficial effect of the invention compared with the prior art is that the other end of the movable arm is provided with a weighting mechanism, and the weight of the movable arm and the bracket can be balanced by adjusting the weight structure, and the battery, the circuit board and the electronic element of the cloud platform The device can be used as part or all of the weight mechanism to play a multi-purpose role. In addition, the image acquisition device is disposed at one end of the movable arm through the clamping portion, and can be rotated 360°, thereby increasing the shooting range and avoiding the shooting range. Shoot the occlusion of the line of sight.

The above description is only an overview of the technical solutions of the present invention, and the above-described and other objects, features and advantages of the present invention will become more apparent and obvious. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments will be described in detail with reference to the accompanying drawings.

DRAWINGS

Figure 1 is a perspective view showing the structure of a counterweight rotating bracket of the present invention;

2 is a perspective view showing the structure of another counterweight rotating bracket of the present invention;

Figure 3 is a side view of a counterweight rotating bracket of the present invention;

4 is a side view of a counterweight rotating bracket according to another embodiment of the present invention.

Reference numeral

1 fork bracket 11 joint

12 fixed end 2 movable arm

21 Counterweight Mechanism 211 Battery

212 counterweight 3 gripping section

31 clamping body 311 image acquisition device

32 clamping bottom 4 pitching power mechanism

41 pitch motion rotor 42 pitch motion stator

5 heading power mechanism 51 heading motion rotor

52 heading motion stator 6 horizontal rolling force mechanism

61 Rolling motion rotor 62 Rolling motion stator

detailed description

In order to more fully understand the technical content of the present invention, the technical solutions of the present invention are further described and illustrated in conjunction with the specific embodiments, but are not limited thereto.

As shown in FIG. 1 , a weight type rotating bracket of the present invention comprises a bracket and a movable arm 2 rotatably coupled with the bracket; a middle section of the movable arm 2 is rotatably coupled with the bracket, and one end of the movable arm 2 is provided for mounting image acquisition. The clamping portion 3 of the device 311 and the other end of the movable arm 2 are provided with a weighting mechanism 21. In this embodiment, the clamping portion 3 is disposed at the upper end of the movable arm 2, and the weighting mechanism 21 is disposed at the lower end of the movable arm 2; The image capture device 311 includes a mobile phone, a camera, a video camera, and a scanner type device.

As shown in FIG. 1 and FIG. 2, in this embodiment, the weight mechanism 21 is of an adjustable structure, including a battery 211 and a weight 212 coupled to the movable arm 2, and the weight 212 is fixedly connected to the lower end of the battery 211. A slider is fixed on the battery 211, and the slider can slide up and down. The slider interacts with the blocking portion provided on the movable arm 2 to fix the weight 212 and the battery 211 at different positions.

As shown in FIG. 1 to FIG. 4, a pitching power mechanism 4 is provided at a rotational joint of the movable arm 2 and the bracket, and the pitching power mechanism 4 is a pitching motion electromagnetic component, including a pitching motion rotor 41 disposed on the bracket, and is disposed at the activity. The pitching motion of the stator 42 on the arm 2 drives the movable arm 2 to perform a pitching motion by an electrical signal. The electromagnetic component in this embodiment refers to a motor embedded in the product structure. Since it does not have a casing itself, it is called an electromagnetic component, and the received electrical signal is converted into rotational power by electromagnetic.

As shown in FIG. 1 to FIG. 4, in the embodiment, the bracket includes a fixed end 12 and a coupling portion 11; the fork portion of the coupling portion 11 and the movable arm 2 are rotatably coupled on both sides, and the upper ends of the fork-shaped structure bracket are respectively The pitching motion rotor 41 is coupled with a cavity for accommodating the movable arm 2 between the two sides of the upper end, and the movable arm 2 can be placed in the cavity to save space and facilitate carrying.

As shown in FIG. 1 to FIG. 4, the upper end of the movable arm 2 is rotatably coupled to the clamping portion 3 through a heading power mechanism 5, and the heading power mechanism 5 is a heading motion electromagnetic component, including a heading motion connected to the clamping portion 3. The rotor 51 and the heading moving stator 52 disposed in the movable arm 2 drive the clamping portion 3 to perform a heading movement by an electric signal. Since the clamping portion 3 is disposed above the movable arm 2, other objects do not block the clamping portion 3 Therefore, the image capturing device 311 of different sizes can be installed. At the same time, the image capturing device 311 can be rotated by 360° in the heading driven by the heading power mechanism 5, and the angle of view is expanded without the viewing angle.

As shown in FIG. 1 to FIG. 4, the coupling portion 11 and the fixed end 12 are rotatably coupled, and the rotating joint portion of the coupling portion 11 and the fixed end 12 is provided with a horizontal rolling force mechanism 6, and the horizontal rolling force mechanism 6 is a rolling motion electromagnetic assembly, including A roll motion stator 62 provided on the coupling portion 11 and a roll motion rotor 61 provided at the fixed end 12.

Specifically, the power mechanisms of the pitching power mechanism 4, the heading power mechanism 5, and the horizontal rolling force mechanism 6 can be adapted to different angles of shooting, and the shooting range is increased, and at the same time, the pitching power mechanism 4 and the heading power mechanism 5 are And the wires provided by the horizontal rolling force mechanism 6 are electrically connected to the pitching motion stator 42, the heading motion stator 52, and the roll motion stator 62, respectively, and avoiding the dragging of the wires and affecting the power mechanism when shooting at different angles. Turn.

As shown in FIG. 1 to FIG. 4, the fixed end 12 and the coupling portion 11 are telescopically coupled, and the fixed end 12 is fixed to the outer periphery of the coupling portion 11 and can slide up and down. When the device is not in use, the movable arm 2 can be Rotating between the fork brackets 1 and sliding the fixed end 12 upwards, the movable arm 2 is sleeved inside the fixed end 12, which reduces the occupied space of the bracket and is convenient to carry. Further, a screw hole is provided at the bottom of the fixed end 12, and the telescopic rod can be connected with the threaded hole to meet the needs of different photographers.

As shown in FIG. 1 to FIG. 4, the clamping portion 3 is of a folded structure, including a clamping bottom 32 rotatably coupled to the movable arm 2, and a clamping body 31 hingedly coupled to the clamping bottom 32, above the clamping body 31. The utility model is provided with a telescopic clamping member, which can meet different sizes of mobile phones; the clamping body 31 can be folded downwards, which reduces the occupied space, and prevents the clamping body 31 from colliding with other objects to damage the clamping portion 3.

A bracket is arranged on the fixed base of the pan/tilt. The upper end of the bracket is rotatably coupled with the movable arm 2, and the lower end is fixedly coupled with the fixed base. The pan/tilt can be a hand-held pan/tilt or can be fixed on other objects. Fixed gimbal.

As shown in FIG. 1 to FIG. 4, the weighting method of the weight type rotating bracket includes the following steps:

First step: mounting the image capturing device 311 of claim 1 on the clamping portion, so that the center of gravity of the image capturing device 311 is at the center of the clamping portion 3;

The second step: using the adjustable weight mechanism 21 or the detachable weight mechanism 21, by adjusting the weight mechanism 21, the center of gravity of the movable arm 2 and the article fixedly coupled thereto is located at the center of rotation of the movable arm 2 and the bracket.

Specifically, when the adjustable counterweight 21 is used, the adjustable weight mechanism 21 is a weight 212 or a battery 211 with a locking mechanism; when the image capturing device 311 mounted on the clamping portion is rotated to a horizontal position, After the hand is released, if the lower end of the movable arm 2 moves downward, the weight 212 or the battery 211 is slid in the direction of the image capturing device 311, and if the lower end of the movable arm 2 is moved upward, the weight 212 or the battery 211 is directed Sliding away from the direction of the image capturing device 311, the center of the movable arm 2 and the image collecting device 311 are balanced, and the weight 212 is locked by the locking mechanism; when the detachable weight mechanism is used, the detachable weight is The mechanism is a weight 212 or a battery 211 detachably coupled to the movable arm 2, and when loaded with an image collecting device of different volume and weight, the corresponding weight or battery is selected to be coupled with the movable arm.

As shown in FIG. 1 , FIG. 2 and FIG. 3 , in the present embodiment, the pitching power mechanism 4 is disposed above the heading power mechanism 5 , and since the heading power mechanism 5 has a certain weight, the weight can be reduced when the center of gravity is balanced. The weight of the block 212 or the weight block 212 is not used, and the weight center of gravity is directly adopted by the object such as the battery 211 provided in the movable arm 2, which greatly reduces the weight of the entire bracket.

As another embodiment shown in FIG. 4, the heading power mechanism 5 can also be disposed above the pitching power mechanism 4.

In other embodiments, the clamping portion may be disposed at a lower end of the movable arm, and the weighting mechanism is disposed at an upper end of the movable arm.

In other embodiments, the weight mechanism can adopt a fixed structure, and the circuit board, the electronic component and the battery in the movable arm can be used as a weight mechanism to save material; the detachable structure can also be adopted, and the movable arm is detachably mounted. The loaded weights and/or batteries 1 are selected to be coupled to the movable arm according to the weight collection block and/or the battery when loading the image capturing device of different volume and weight.

In other embodiments, a single-sided structure that is unilaterally coupled in rotation may be employed between the coupling portion and the movable arm.

In other embodiments, the movable arm is provided with a module for detecting the balance of the center of gravity, and the deviation data is transmitted to the monitoring device according to the deviation of the center of gravity of the movable arm and the article fixedly coupled thereto, and the monitoring device adjusts the weight sliding according to the data of the deviation. Block to achieve balance of gravity balance.

In summary, the other end of the movable arm 2 is provided with a weighting mechanism 21, and the weight of the movable arm 2 and the bracket can be balanced by adjusting the weight structure, and the battery 211, the circuit board and the electronic components of the pan/tilt can be used as the counterweight. Part or all of the mechanism 21 functions as a multi-purpose; in addition, the image capturing device 311 is disposed at one end of the movable arm 2 through the clamping portion 3, and can be rotated 360°, thereby increasing the shooting range while avoiding the shooting line of sight. Occlusion.

The above technical description of the present invention is further described by way of example only, and is not to be understood by the reader, but the embodiments of the present invention are not limited thereto, and any technology extending or re-creating according to the present invention is subject to the present invention. protection of. The scope of the invention is defined by the claims.

Claims

A counterweight rotating bracket characterized by comprising a bracket and a movable arm rotatably coupled with the bracket; a middle portion of the movable arm is rotatably coupled with the bracket, and one end of the movable arm is provided with a clip for mounting an image capturing device The holding portion has a weight mechanism at the other end of the movable arm.
The counterweight rotating bracket according to claim 1, wherein the weight mechanism is a fixed structure, comprising a circuit board, an electronic component and a battery fixed in the movable arm; or The weight mechanism is an adjustable structure or a detachable structure, and the adjustable structure includes a weight and/or a battery that is slidably coupled to the movable arm, and a locking mechanism for locking the weight and/or the battery; The detachable structure includes a weight and/or a battery that is detachably coupled to the movable arm. When loading image storage devices of different volumes and weights, the corresponding weights and/or batteries are coupled to the movable arm.
A counterweight rotating bracket according to claim 1, wherein a pitching mechanism is provided at a rotational joint of the movable arm and the bracket.
A counterweight rotating bracket according to claim 3, wherein said pitching power mechanism is a pitching motion electromagnetic component, comprising a pitching motion rotor disposed on the bracket, and a pitching motion provided on the movable arm The stator drives the movable arm to perform a pitching motion by an electrical signal.
A counterweight rotating bracket according to claim 1, wherein the bracket comprises a fixed end and a coupling portion; the coupling portion is a single-sided structure rotably coupled to the movable arm on one side, or with a movable arm A fork-shaped structure that is rotated on both sides.
A counterweight rotary bracket according to claim 1, wherein one end of the movable arm is rotatably coupled to the clamping portion by a heading power mechanism provided.
A counterweight rotary bracket according to claim 6, wherein the heading power mechanism is a heading motion electromagnetic component, comprising a navigational motion rotor coupled to the clamping portion, and a navigational motion disposed in the movable arm The stator drives the clamping portion to perform the heading movement by an electric signal.
A counterweight rotary bracket according to claim 5, wherein the coupling portion and the fixed end are rotatably coupled, and the coupling portion and the fixed end rotary joint are provided with a horizontal rolling force mechanism.
A counterweight rotary bracket according to claim 8, wherein said horizontal rolling force mechanism is a roll motion electromagnetic component, comprising a roll motion stator provided on the coupling portion, and a horizontal portion disposed at the fixed end Roll the rotor.
A counterweight rotary bracket according to claim 5, wherein the fixed end and the coupling portion are telescopically coupled.
A counterweight rotary bracket according to claim 1, wherein the clamping portion is of a folded structure, comprising a clamping bottom rotatably coupled to the movable arm, and a clamping coupled to the clamping bottom hinge. Ontology.
A gimbal for fixing an image capturing device, comprising: a fixing base, wherein the fixing base further comprises the bracket according to any one of claims 1-11; The movable arm is rotatably coupled, and the other end is fixedly coupled to the fixed base.
A weighting method for a counterweight rotating bracket, characterized in that it comprises the following steps:

a first step: mounting the image capturing device of claim 1 on the clamping portion, so that the center of gravity of the image capturing device is at the center of the clamping portion;

The second step: using an adjustable weight mechanism or a detachable weight mechanism, by adjusting the weight mechanism, the center of gravity of the movable arm and the article fixedly coupled thereto is located at the center of rotation of the movable arm and the bracket.
A weighting method for a counterweight rotary bracket according to claim 13, wherein when the adjustable weight mechanism is used, the adjustable weight mechanism is a weight or battery with a locking mechanism When the image capturing device mounted on the clamping portion is rotated to the horizontal position, after the hand is released, if the lower end of the movable arm moves downward, the weight or the battery is slid in the direction of the image capturing device, if the movable arm When the lower end moves upward, the weight or battery is slid away from the image capturing device, so that the movable arm body and the image collecting device reach the center of gravity balance, and the weight is locked by the locking mechanism; when the detachable weight mechanism is used The detachable weight mechanism is a weight or a battery that is detachably coupled to the movable arm. When loading an image capturing device of different volume and weight, the corresponding weight or battery and the movable arm are selected. Join.