WO2018119748A1

WO2018119748A1 - Ball head shaft arm structure and ball head structure having the ball head shaft arm structure

Info

Publication number: WO2018119748A1
Application number: PCT/CN2016/112648
Authority: WO
Inventors: 刘国尧
Original assignee: 深圳市大疆灵眸科技有限公司
Priority date: 2016-12-28
Filing date: 2016-12-28
Publication date: 2018-07-05
Also published as: CN107002938B; CN107002938A

Abstract

A ball head shaft arm structure and a ball head structure having the ball head shaft arm structure. The ball head shaft arm structure (1) comprises a first shaft arm (2), a second shaft arm (3), and a locking mechanism (10) capable of locking the first shaft arm (2) and the second shaft arm (3). The locking mechanism (10) comprises: a sliding component, a driving component, and a clamping element (151) provided on the second shaft arm (3). The driving component drives the sliding component to move from a first position to a second position so as to allow the clamping element (151) to clamp or release the first shaft arm (2), thus locking or unlocking the first shaft arm (2) and the second shaft arm (3). The ball head shaft arm structure of the present invention drives via the driving component the sliding component to move from the first position to the second position so as to allow the clamping element to clamp or release the first shaft arm, thus locking or unlocking the first shaft arm and the second shaft arm.

Description

PTZ arm axle structure and gimbal structure with the gimbal axle arm structure

Technical field

The invention relates to the technical field of cloud platform equipment, in particular to a cloud platform axle arm structure and a cloud platform structure having the cloud platform axle arm structure.

Background technique

Cameras (such as video cameras in the film industry) are shooting in motion, and in order to ensure the stability of the shooting picture, the stable pan/tilt is used. Usually, during the use of the PTZ, the PTZ needs to carry different heavy objects, such as cameras. Due to the wide variety of cameras and the large number of lenses, when the PTZ is installed, the PTZ needs to adjust the length of the arm. It is necessary to ensure that the center of gravity of the gimbal is on the axis of the pan-tilt axis to ensure the balance of the gimbal.

Therefore, when the gimbal is equipped with different weights, it is necessary to adjust the length of the axle arm to ensure the balance of the gimbal. Moreover, after the pan/tilt adjusts the length of the arm, the pan-tilt arm needs to be locked to ensure sufficient stability of the gimbal.

Summary of the invention

The invention provides a pan-tilt arm structure and a pan-tilt structure having the pan-tilt arm structure.

According to a first aspect of the embodiments of the present invention, a pan/tilt arm structure is provided, including a first axle arm, a second axle arm, and a locking capable of locking the first axle arm and the second axle arm The mechanism includes: a sliding assembly, a driving assembly, and a clamping member disposed on the second axle arm, the driving assembly driving the sliding assembly to move from the first position to the second position, Causing or detaching the clamping member to the first axle arm, and thereby the first axle arm and the first The two-axis arm is locked or unlocked.

According to a second aspect of the embodiments of the present invention, there is provided a pan/tilt structure comprising a motor assembly and a pan/tilt arm structure, the pan-tilt arm structure comprising a first axle arm, a second axle arm, and the a locking mechanism for locking the one axial arm and the second axial arm; wherein the locking mechanism comprises: a sliding assembly, a driving assembly and a clamping member disposed on the second axial arm, the driving assembly Driving the sliding assembly to move from the first position to the second position such that the clamping member clamps or releases the first axle arm, thereby locking the first axle arm and the second axle arm Or unlocking; the motor assembly includes a first motor and a second motor, the first motor drives the first axle arm to rotate, and the second motor is disposed on the second axle arm for driving the third axle The arm rotates.

According to a third aspect of the embodiments of the present invention, there is provided a pan/tilt arm structure including a first axle arm, a second axle arm, and a locking capable of locking the first axle arm and the second axle arm The locking mechanism includes: a linear drive assembly and a clamping member disposed on the second axial arm, the linear drive assembly directly driving or indirectly driving the clamping member to clamp or loosen The first axle arm further locks or unlocks the first axle arm and the second axle arm.

According to a fourth aspect of the embodiments of the present invention, there is provided a pan/tilt structure comprising a motor assembly and a pan/tilt arm structure, the pan-tilt arm structure comprising a first axle arm, a second axle arm, and the a locking mechanism for locking the first axle arm and the second axle arm; wherein the locking mechanism comprises: a linear drive assembly and a clamping member disposed on the second axle arm, the linear drive assembly Directly driving or indirectly driving the clamping member to clamp or release the first axle arm, thereby locking or unlocking the first axle arm and the second axle arm; the motor assembly includes a first motor And a second motor, the first motor drives the first axle arm to rotate, and the second motor is disposed on the second axle arm for driving the third axle arm to rotate.

In the pan/tilt arm structure of the present invention, the drive assembly of the locking mechanism drives the slide assembly to move from the first position to the second position, and the clamping is achieved by the mutual cooperation of the slide assembly and the clamp member The piece clamps or releases the first axle arm, thereby locking the first axle arm and the second axle arm. Alternatively, the clamping member is directly driven by the linear drive assembly to clamp or loosen Disengaging the first axle arm to lock or unlock the first axle arm and the second axle arm.

In the pan/tilt structure of the present invention, the driving assembly of the locking mechanism drives the sliding assembly to move from the first position to the second position, and the clamping member is clamped by the mutual cooperation of the sliding assembly and the clamping member The first axle arm is tightened or released, thereby locking the first axle arm and the second axle arm. Alternatively, the linear drive assembly directly drives the clamping member to clamp or release the first axle arm, thereby locking or unlocking the first axle arm and the second axle arm.

DRAWINGS

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the present invention. Other drawings may also be obtained from those of ordinary skill in the art in view of the drawings.

1 is a perspective view showing the structure of a pan/tilt arm according to an embodiment of the present invention.

Fig. 2 is an exploded perspective view showing the structure of the pan/tilt arm shown in Fig. 1.

Fig. 3 is a side view showing the structure of the pan/tilt arm shown in Fig. 1.

4 is a cross-sectional view of the pan-tilt arm structure shown in FIG. 3 taken along the A-A direction.

Figure 5 is a cross-sectional view of the pan-tilt arm structure shown in Figure 3 taken along the line B-B.

6 to 8 are schematic views showing the operation state of the drive assembly and the slide assembly of the pan/tilt arm structure shown in Fig. 1 in an embodiment.

9 to 11 are schematic views showing the operation state of the drive assembly and the slide assembly of the pan/tilt arm structure shown in Fig. 1 in another embodiment.

FIG. 12 is a schematic view showing the working state of a linear drive assembly of a pan/tilt arm structure according to an embodiment of the present invention.

FIG. 13 is a schematic view showing the working state of the linear drive assembly of the pan/tilt arm structure according to another embodiment of the present invention.

FIG. 14 is a perspective view of a gimbal structure according to an embodiment of the invention.

detailed description

The technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, but not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.

Exemplary embodiments will be described in detail herein, examples of which are illustrated in the accompanying drawings. The following description refers to the same or similar elements in the different figures unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Instead, they are merely examples of devices and methods consistent with aspects of the invention as detailed in the appended claims.

The terminology used in the present invention is for the purpose of describing particular embodiments, and is not intended to limit the invention. The singular forms "a", "the" and "the" It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

The pan-tilt arm structure of the present invention and the pan-tilt structure having the pan-tilt arm structure will be described in detail below with reference to the accompanying drawings. The features of the embodiments and embodiments described below may be combined with each other without conflict.

Referring to Figures 1 to 5, the present invention provides a pan/tilt arm structure 1, including a shaft arm 2, a second axle arm 3, a guiding mechanism 20 capable of adjusting movement of the second axle arm 3 relative to the first axle arm 2, and a first axle arm 2 and the second axle The locking mechanism 10 of the arm 3 is locked. Wherein, the locking mechanism 10 comprises: a sliding assembly, a driving assembly and a clamping member 151 disposed on the second axial arm 3, the driving assembly driving the sliding assembly to move from the first position to the second position The clamping member 151 is clamped or released from the first axle arm 2, thereby locking or unlocking the first axle arm 2 and the second axle arm 3.

As shown in FIG. 1 and FIG. 2, the second shaft arm 3 is provided with a mounting hole 30, and the clamping member 151 is installed in the mounting hole 30 and formed in the mounting hole 30 for the a through hole penetrating through the first axle arm 2, and the clamping member 151 is moved in a direction toward or away from the first axle arm 2 by the sliding assembly to reduce the aperture of the through hole or Expanding to cause the clamping member 151 to clamp or loosen the first axle arm 2, thereby locking or unlocking the first axle arm 2 and the second axle arm 3.

Further, the second shaft arm 3 is provided with a top cover 110 and a side cover 120 fixedly disposed at one end of the second shaft arm 3, and the top cover 110 is fixed to the side cover The mounting hole 30 is enclosed on the 120 and together with the end of the side cover 120 and the second shaft arm 3. Optionally, the top cover 110 and the clamping member 151 are respectively located at two sides of the first axle arm 2. In the embodiment shown in FIG. 2, the top cover 110 is located above the first axle arm 2, and the clamping member 151 is located below the first axle arm 2. The clamping member 151 is moved in a direction toward or away from the first axle arm 2 under the driving of the sliding assembly for clamping or releasing the first axle arm 2 in cooperation with the top cover 110, The first axle arm 2 and the second axle arm 3 are in turn locked or unlocked. Optionally, the top cover 110 and the side cover 120 are integrally formed with the second shaft arm 3.

Further, the first axial arm 2 is provided with a limiting guiding surface 130, and the top cover 110 is provided with a limiting bonding surface 140 adapted to the limiting guiding surface 130. Optionally, the limiting guiding surface 130 is a limiting inclined surface or a limiting circular arc surface, and the limiting bonding surface 140 is a limiting inclined surface or a limiting circular arc surface corresponding to the limiting guiding surface 130 . The limiting joint surface 140 disposed on the top cover 110 is matched with the limit guiding surface 130 on the first axle arm 2, which can ensure During the movement of the second axle arm 3 relative to the first axle arm 2, the first axle arm 2 does not rotate, thereby ensuring the stability of the platform armature structure 1. It should be noted that the limiting guiding surface 130 and the limiting bonding surface 140 are not limited thereto, and any of the first axial arms may be ensured during the movement of the second axial arm 3 relative to the first axial arm 2 2 The form of the limit guiding surface 130 and the limiting joint surface 140 which do not rotate should fall within the protection scope of the present invention.

Further, the clamping member 151 is provided with a plurality of pushing surfaces 154, and the sliding assembly is provided with a guiding surface that cooperates with the pushing surface 154. During the movement of the sliding assembly, the guiding surface pushes against the pushing surface 154 to move the clamping member 151 in a direction approaching or away from the first axle arm 2. It should be noted that the angle of the matching inclined surface of the pushing surface 154 disposed on the clamping member 151 and the guiding surface of the sliding assembly can be pushed into the sliding surface as long as the movement of the sliding assembly can be satisfied. The abutting surface 154 of the clamping member 151 moves the clamping member 151 in a direction toward or away from the first axial arm 2, and should fall within the protection scope of the present invention.

Optionally, as shown in FIG. 2, in an embodiment of the present application, the sliding assembly includes a connecting member 153 disposed on one side of the clamping member 151 and a coupling member 151 disposed on the other side of the clamping member 151. The engaging member 152 is provided with a first guiding surface 1551 of the guiding surface, and the engaging member 152 is provided with a second guiding surface 1552 of the guiding surface. The driving assembly drives the connecting member 153 to move from the first position to the second position, and drives the engaging member 152 to move toward or away from the connecting member 153, and the engaging member 152 and the connecting member 153 face each other. The second guiding surface 1552 of the engaging member 152 and the first guiding surface 1551 of the connecting member 153 jointly push against the pushing surface of the clamping member 151 during moving or reverse moving 154. Move the clamping member 151 in a direction toward or away from the first axle arm 2. It should be noted that the fitting member 152 may also be omitted, and the movement of the clamping member 151 is pushed by the movement of the connecting member 153.

Optionally, in another embodiment of the present application, the fitting member 152 may also be relatively fixed to the second shaft arm 3, and the driving assembly drives the connecting member 153 from the first position. During the moving to the second position, the second guiding surface 1552 of the fitting 152 and the first guiding surface 1551 of the connecting member 153 jointly push against the pushing of the clamping member 151 The face 154 moves the clamping member 151 in a direction toward or away from the first axle arm 2. It should be noted that the fitting member 152 may also be omitted, and the movement of the clamping member 151 is pushed by the movement of the connecting member 153.

Hereinafter, the driving assembly is a screw drive assembly and a rack and pinion drive assembly as an example, and the manner of cooperation between the drive assembly and the slide assembly will be described. However, it should be noted that the form of the driving assembly of the present invention is not limited to the above two forms, and any form of the driving assembly that can drive the sliding assembly to move from the first position to the second position should belong to the protection of the present invention. Within the scope.

Referring to FIG. 6, in the example shown in FIG. 6, the driving component is a screw drive assembly, and the sliding assembly is provided with a threaded connection portion, and the screw drive assembly includes: An adjustment rod 160 of the assembly, the adjustment rod 160 is provided with a first end thread 161, and the first end thread 161 is screwed with the threaded connection of the sliding assembly to drive the sliding assembly along the adjustment The axial direction of the rod 160 is moved from the first position to the second position. Further, as shown in FIG. 1 and FIG. 2, the second end of the adjusting rod 160 passes through the second shaft arm 3. The screw drive assembly further includes: a second end with the adjusting rod 160 The fixedly connected first driving member 170 is configured to drive the adjusting rod 160 to rotate in the axial direction to drive the sliding assembly to move from the first position to the second position along the axial direction of the adjusting rod 160.

Optionally, the connecting member 153 of the sliding assembly is provided with the threaded connecting portion, and the adjusting rod 160 is disposed in the connecting member 153 along the axial direction of the connecting member 153 and the fitting member 152. a fitting member 152, the first end thread 161 of the adjusting rod 160 is screwed with the threaded connecting portion of the connecting member 153, and the adjusting rod 160 is rotated to move the connecting member 153 from the first position to Second position. The adjusting rod 160 is provided with a pushing portion 162 for driving the fitting member 152 to move in the axial direction of the adjusting rod 160. Further, the first driving member 170 is a knob, and a spacer 171 is further disposed between the first driving member 170 and the first shaft arm 2, The first driving member 170 drives the adjusting rod 160 to rotate in the axial direction, so that the pushing portion 162 drives the fitting member 152 to move toward or away from the connecting member 153 along the axial direction of the adjusting rod 160. . It should be noted that the first driving component 170 may be disposed on one side of the second axial arm 3, or may be disposed on the other side of the second axial arm 3, or a second side of the second axial arm 3 may be respectively disposed. A drive member 170 should fall within the scope of the present invention.

In an operational state, the link 153 is moved from the first position to the second position in the axial direction of the adjustment lever 160, as shown in FIG. 7 from left to right. 2, 6 and 7, in the operating state, the adjustment lever 160 is rotated by the first driving member 170 in the direction indicated by the arrow in FIG. 7 (ie, from FIG. 7 The right-to-left viewing angle is rotated in the clockwise direction, so that the pushing portion 162 drives the fitting member 152 to move from the right to the left in the axial direction of the adjusting rod 160 to gradually approach the connecting member 153. The guiding surfaces of the engaging member 152 and the connecting member 153 are pushed together against the pushing surface 154 of the clamping member 151 to drive the clamping member 151 to move upward, so that the clamping member 151 fits the top. The cover 110 clamps the first axle arm 2, thereby locking the first axle arm 2 and the second axle arm 3.

In another operational state, the link 153 is moved from the first position to the second position in the axial direction of the adjustment lever 160, as shown in FIG. 8 from right to left. 2, 6 and 8, in this operating state, the adjustment lever 160 is rotated by the first driving member 170 in the direction indicated by the arrow in FIG. 8 (ie, from FIG. 8 The right-to-left viewing angle is rotated in the counterclockwise direction, so that the pushing portion 162 drives the fitting member 152 to move from left to right along the axial direction of the adjusting rod 160 to gradually move away from the connecting member 153. The guiding surfaces of the engaging member 152 and the connecting member 153 are pushed together against the pushing surface 154 of the clamping member 151 to drive the clamping member 151 to move downward, so that the clamping member 151 cooperates with the clamping member 151. The top cover 110 releases the first axle arm 2, thereby unlocking the first axle arm 2 and the second axle arm 3.

Referring to FIG. 9, in the example shown in FIG. 9, the drive assembly is a rack and pinion drive assembly, and the rack and pinion drive assembly includes: a gear member 181 and a drive coupled to the first end of the gear member 181 a tooth condition 182, the tooth condition 182 being fixedly coupled to the sliding assembly, The tooth condition 182 drives the slide assembly to move from the first position to the second position along the length of the tooth condition 182 under the drive of the gear member 181. Further, the second end of the gear member 181 passes through the second shaft arm 3, and the rack and pinion drive assembly further includes: a second driving member fixedly connected to the second end of the gear member 181, For driving the gear member 181 to rotate in the axial direction, the tooth condition 182 causes the sliding assembly to move from the first position to the second position along the length direction of the tooth condition 182.

Optionally, the tooth condition 182 is fixedly connected to the connecting member 153 along the axial direction of the fitting member 152 and the connecting member 153, and the engaging member 152 is oppositely fixed to the second shaft arm 3. The two driving members drive the gear member 181 to rotate in the axial direction, so that the tooth condition 182 drives the connecting member 153 to move from the first position to the second position along the length direction of the tooth condition 182.

In one operating state, the link 153 is moved from the first position to the second position along the length of the tooth condition 182, as shown in Figure 10 from right to left. 2, 9 and 10, in this operating state, the gear member 181 is rotated by the second driving member in the direction indicated by the arrow in Fig. 10 (i.e., clockwise in Fig. 10). Directional rotation), driving the tooth condition 182 to move from right to left to drive the connecting member 153 to move from right to left and gradually approach the fitting member 152, the connecting member 153 and the fitting member 152 respectively The guiding surface jointly pushes against the pushing surface 154 of the clamping member 151 to drive the clamping member 151 to move upward, so that the clamping member 151 cooperates with the top cover 110 to clamp the first shaft arm 2, thereby The first axle arm 2 and the second axle arm 3 are locked.

In another mode of operation, the connector 153 is moved from the first position to the second position along the length of the tooth condition 182, as shown in Figure 11 from left to right. 2, 9 and 11, in this operating state, the gear member 181 is rotated by the second driving member in the direction indicated by the arrow in Fig. 11 (i.e., counterclockwise in Fig. 11). In the direction of rotation, the tooth condition 182 is driven to move from left to right to drive the connecting member 153 to move from left to right and gradually away from the fitting member 152, and the connecting member 153 and the fitting member 152 are respectively The guiding surface jointly pushes against the pushing surface 154 of the clamping member 151 to drive the clamping member 151 to move downward, so that the clamping member 151 cooperates with the top cover 110 to release the first shaft arm 2, The first axle arm 2 and the second axle arm 3 are further unlocked.

As shown in FIG. 1 to FIG. 5 again, in an embodiment of the present application, the first shaft arm 2 is provided with a guiding passage 210. The guiding mechanism 20 includes a guiding shaft 220 and a transmission member 230 movably coupled to the guiding shaft 220 along an axial direction of the guiding shaft 220. The guiding shaft 220 is disposed in the guiding passage 210. The transmission member 230 is fixedly coupled to the second shaft arm 3. Further, the guiding mechanism 20 further includes a third driving member 240 connected to the guiding shaft 220 for driving the transmission member 230 to move relative to the guiding shaft 220 along the axial direction of the guiding shaft 220. Optionally, the guiding shaft 220 is a screw, and the guiding shaft 220 is disposed through the transmission member 230 and is screwed to the transmission member 230. The tail end of the guiding shaft 220 extends out of the guiding passage 210, and the third driving member 240 is coupled to the tail end of the guiding shaft 220 for driving the guiding shaft 220 to rotate in the axial direction, thereby The transmission member 230 moves relative to the guide shaft 220 in the axial direction of the guide shaft 220. Optionally, the second shaft arm 3 is provided with a guiding seat 31. The transmission member 230 is mounted on the guiding seat 31. The guiding seat 31 is provided with a through hole for the guiding shaft 220 to pass through. .

Further, the guiding mechanism 20 further includes: a positioning member 250 disposed between the third driving member 240 and the first shaft arm 2, the positioning member 250 is provided with a positioning hole 251, the guiding The trailing end of the shaft 220 passes through the positioning hole 251 to be connected to the third driving member 240. Optionally, a sidewall of the positioning member 250 adjacent to the side of the third driving member 240 is recessed inwardly to form a positioning cavity 252, and the third driving component 240 includes a positioning disposed in the positioning cavity 252. The block 241 and the knob block 242 fixedly connected to the positioning block 241 are fixedly connected to the positioning block 241.

As shown in FIG. 2, in actual operation, by rotating the knob block 242 clockwise, the transmission member 230 is moved to the left relative to the guide shaft 220, so that the transmission member 230 drives the first axle arm 2 to move to the left relative to the second axle arm 3. The purpose of shortening the length of the first axial arm 2 is achieved. When the first axle arm 2 After the length adjustment is completed, the clamping member 151 clamps the first shaft arm 2 through the mutual cooperation of the sliding assembly of the locking mechanism 10 and the clamping member 151, thereby the first shaft The arm 2 and the second axle arm 3 are locked. When the length of the first axle arm 2 needs to be adjusted again, the clamping member 151 is released from the first axle arm 2 by the mutual cooperation of the sliding assembly of the locking mechanism 10 and the clamping member 151. The first axle arm 2 and the second axle arm 3 may be unlocked.

By rotating the knob block 242 counterclockwise, the transmission member 230 is moved to the right relative to the guide shaft 220, so that the transmission member 230 drives the first axle arm 2 to move to the right relative to the second axle arm 3 to increase the length of the first axle arm 2. the goal of. After the length of the first axle arm 2 is adjusted, the clamping member 151 clamps the first axle arm 2 by the mutual cooperation of the sliding assembly of the locking mechanism 10 and the clamping member 151. The first axle arm 2 and the second axle arm 3 are locked. When the length of the first axle arm 2 needs to be adjusted again, the clamping member 151 is released from the first axle arm 2 by the mutual cooperation of the sliding assembly of the locking mechanism 10 and the clamping member 151. The first axle arm 2 and the second axle arm 3 may be unlocked.

In another embodiment of the present application, the present invention further provides a pan/tilt arm structure, including a first axle arm and a second axle arm, capable of adjusting movement of the second axle arm relative to the first axle arm a guiding mechanism and a locking mechanism capable of locking the first axle arm and the second axle arm. Wherein the locking mechanism comprises: a linear drive assembly and a clamping member disposed on the second axial arm, the linear drive assembly driving the clamping member to clamp or release the first axial arm, The first axle arm and the second axle arm are then locked or unlocked. It should be noted that the descriptions regarding the guide mechanism and the clamping member in the embodiments and embodiments as described above are equally applicable to the pan/tilt arm structure.

In an embodiment of the present application, the linear drive assembly directly drives the clamping member to clamp or release the first axle arm.

For example, the linear drive assembly is a screw drive assembly, a rack and pinion drive assembly, and a cylinder drive assembly, respectively, and the linear drive assembly directly drives the clamping member to clamp or release the first axial arm. The way to explain. However, it should be noted that the linear drive of the present invention The form in which the component directly drives the clamping member to clamp or release the first axle arm is not limited to the above three forms, and any of the clamping members may be directly driven to clamp or release the first axle arm. The form of the linear drive assembly should fall within the scope of the present invention.

a first way in which the linear drive assembly directly drives the clamping member to clamp or release the first axle arm: the linear drive assembly is a screw drive assembly, and the screw drive assembly includes: along the The axial direction of the two-axis arm is threaded to the screw of the second axial arm, and the first end of the screw is used to urge the clamping member to move in a direction toward or away from the first axial arm. Optionally, the second end of the screw passes through the second shaft arm, and the screw drive assembly further includes: a driving member fixedly coupled to the second end of the screw, for driving the screw to rotate And moving in the axial direction, thereby causing the first end of the screw to push the clamping member to move in a direction toward or away from the first axial arm.

A second way in which the linear drive assembly directly drives the clamping member to clamp or release the first axle arm: Referring to Figure 12, in the example of Figure 12, the linear drive assembly is a screw drive assembly The screw drive assembly includes: a screw 160 threadedly coupled to the second axial arm in an axial direction of the first axial arm, and a first end of the screw 160 is provided with an abutting slope 163 along a circumferential surface, The clamping member 151 is provided with an abutting mating surface 1511 adapted to the abutting slope 163 of the screw 160. During the movement of the screw 160, the abutting slope 163 of the screw 160 is pushed against the The abutting mating surface 1511 of the clamping member 151 further drives the clamping member 151 to move in a direction toward or away from the first axial arm. When the screw 160 moves to the left, the abutting slope 163 of the screw 160 pushes against the abutting mating surface 1511 of the clamping member 151, causing the clamping member 151 to move upward. When the screw 160 moves to the right, the abutting slope 163 of the screw 160 pushes against the abutting mating surface 1511 of the clamping member 151, causing the clamping member 151 to move downward. Optionally, the second end of the screw 160 passes through the second shaft arm, and the screw drive assembly further includes: a driving member fixedly coupled to the second end of the screw 160, for driving the The screw 160 rotates and moves in the axial direction.

The linear drive assembly directly drives the clamping member to clamp or release the third of the first axle arm The linear drive assembly is a rack and pinion drive assembly, and the rack and pinion drive assembly includes: a gear member and a tooth condition coupled to the first end of the gear member, the tooth condition along the second An axial direction of the shaft arm, the tooth condition being movable in a longitudinal direction driven by the gear member, the end of the tooth condition for pushing the clamping member toward or away from the first axle arm Move in direction. Optionally, the second end of the gear member passes through the second shaft arm, and the rack and pinion drive assembly further includes: a driving member fixedly coupled to the second end of the gear member, for driving the The gear member is rotated in the axial direction to move the tooth condition in the longitudinal direction, thereby causing the end of the tooth condition to urge the clamping member to move in a direction toward or away from the first arm.

A fourth way in which the linear drive assembly directly drives the clamping member to clamp or release the first axle arm: Referring to Figure 13, in the example shown in Figure 13, the linear drive assembly is a gear tooth a rack drive assembly, the gear rack drive assembly 181 includes a gear member 181 and a tooth condition 182 coupled to the first end of the gear member 181, the tooth condition 182 being disposed along an axial direction of the first shaft arm, The tooth condition 182 is moved in the longitudinal direction under the driving of the gear member 181, and the end of the tooth condition 182 is provided with an abutting slope 183, and the clamping member 151 is provided with the abutting slope 183. The abutting mating surface 1511, the abutting slope 183 of the tooth condition 182 is pushed against the abutting mating surface 1511 of the clamping member 151, thereby driving the clamping The piece 151 moves in a direction toward or away from the first axis arm. When the gear member 181 rotates clockwise, the driving tooth condition 182 moves to the left, and the abutting slope 183 of the tooth condition 182 pushes against the abutting mating surface 1511 of the clamping member 151 to move the clamping member 151 upward. . When the gear member 181 rotates counterclockwise, the driving tooth condition 182 moves to the right, and the abutting slope 183 of the tooth condition 182 pushes against the abutting mating surface 1511 of the clamping member 151, causing the clamping member 151 to be downward. motion. Optionally, the second end of the gear member 181 passes out the second shaft arm, and the rack and pinion drive assembly further includes: a driving member fixedly coupled to the second end of the gear member 181, The gear member 181 is driven to rotate in the axial direction to move the tooth condition 182 in the longitudinal direction.

a fifth way in which the linear drive assembly directly drives the clamping member to clamp or release the first axle arm: the linear drive assembly directly drives the clamping member to move, the linear drive assembly a cylinder drive assembly, the cylinder drive assembly including: a cylinder drive member coupled to the second axle arm in an axial direction of the second axle arm, the first end of the cylinder member for pushing the clamp The piece moves in a direction toward or away from the first axle arm. Optionally, the second end of the cylinder transmission member passes through the second shaft arm, and the cylinder transmission assembly further includes: a driving member fixedly connected to the second end of the cylinder transmission member, for driving the driving The cylinder transmission member is telescopically moved.

A sixth manner in which the linear drive assembly directly drives the clamping member to clamp or release the first axle arm: the linear drive assembly is a cylinder drive assembly, and the cylinder drive assembly includes: along the first shaft The axial direction of the arm is connected to the cylinder transmission member of the second axial arm, the first end of the cylinder member is provided with an abutting slope, and the clamping member is provided with abutting corresponding to the abutting slope Abutting surface of the cylinder transmission member, the abutting slope of the cylinder transmission member is pushed against the abutting mating surface of the clamping member, thereby driving the clamping member to be close to or away from the first axial arm. Move in direction. Optionally, the second end of the cylinder transmission member passes through the second shaft arm, and the cylinder transmission assembly further includes: a driving member fixedly connected to the second end of the cylinder transmission member, for driving the driving The cylinder transmission member is telescopically moved. In another embodiment of the present application, the linear drive assembly may drive the clamping member to clamp or release the first shaft arm through a conversion drive assembly, the conversion drive assembly being in the linear drive assembly The driving is driven, and the driving force of the linear driving assembly is converted into a driving force to the clamping member such that the clamping member moves in a direction toward or away from the first axial arm.

For example, the linear drive assembly is a screw drive assembly and a rack and pinion drive assembly, respectively, and the linear drive assembly drives the clamping member to clamp or release the first shaft through the conversion drive assembly. The way of the arm is explained. However, it should be noted that the linear drive assembly of the present invention drives the clamping member to clamp or release the first axial arm by the conversion drive assembly, and is not limited to the above two forms, and any The form of the linear drive assembly in which the shift drive assembly drives the clamp to clamp or release the first axle arm is within the scope of the present invention.

a linear drive assembly drives the clamping member to clamp or loosen by the conversion drive group The first mode of the first axle arm: the conversion drive assembly includes: a transmission wheel supported at the bottom of the clamping member and a transmission block disposed on the transmission wheel. The linear drive assembly is a screw drive assembly, and the lead screw drive assembly includes: a screw threadedly coupled to the second axial arm along an axial direction of the first axial arm, the first end of the screw being provided The driving block drives the driving block to rotate, and the driving block drives the driving wheel to rotate under the pushing of the pushing block, thereby driving the clamping member to move in a direction toward or away from the first axis arm. Optionally, the second end of the screw passes through the second shaft arm, and the screw drive assembly further includes: a driving member fixedly coupled to the second end of the screw, for driving the screw edge The axial movement causes the push block to push the transmission block.

When the screw moves to the left, the transmission block moves to the left under the pushing of the pushing block and drives the transmission wheel to rotate clockwise, thereby driving the clamping member to move upward. When the screw moves to the right, the transmission block moves to the right under the pushing of the pushing block and drives the transmission wheel to rotate counterclockwise, thereby driving the clamping member to move downward.

a second way in which the linear drive assembly drives the clamping member to clamp or release the first axle arm by the conversion drive group: the conversion drive assembly includes: a transmission wheel supported at the bottom of the clamping member And a transmission block disposed on the transmission wheel. The linear drive assembly is a rack and pinion drive assembly, the rack and pinion drive assembly includes: a gear member and a tooth condition coupled to the first end of the gear member, the tooth condition being along the first axle arm Arranging in an axial direction, the tooth condition is moved in a longitudinal direction under the driving of the gear member, the end of the tooth condition being provided for moving the clamping member in a direction of approaching or away from the first axial arm The driving block drives the transmission wheel to rotate under the pushing of the pushing block, thereby driving the clamping member to move in a direction close to or away from the first axis arm. Optionally, the second end of the gear member passes through the second shaft arm, and the rack and pinion drive assembly further includes: a driving member fixedly coupled to the second end of the gear member, for driving the The gear member rotates in the axial direction to move the tooth condition along the length direction, thereby driving the push block to push the transmission block.

Driving gear condition moves to the left when the gear member rotates clockwise, and the transmission block is in the push The pushing of the moving block moves to the left in the same direction and drives the driving wheel to rotate clockwise, thereby driving the clamping member to move upward. When the gear member rotates counterclockwise, the driving tooth condition moves to the right, and the transmission block moves to the right under the pushing of the pushing block and drives the transmission wheel to rotate counterclockwise, thereby driving the clamping member to move downward. .

The pan-tilt arm structure of the invention can provide a reliable locking mode, has a large locking force, and has a simple appearance structure and convenient operation. The pan/tilt can be leveled and locked tightly, and the gimbal stiffness is large enough to make the gimbal control better.

Referring to Fig. 14, the present invention also provides a pan/tilt structure 4 comprising a motor assembly and a pan/tilt arm structure as described in the above embodiments of the present invention. The pan/tilt arm structure includes a first axle arm 2, a second axle arm 3, and a third axle arm 5. The motor assembly includes a first motor 5 and a second motor 6, and the first motor 5 drives the first The shaft arm 2 rotates, and the second motor 6 is disposed on the second shaft arm 3 for driving the rotation of the third shaft arm 7. It should be noted that the description about the structure of the pan-tilt arm in the embodiments and embodiments as described above is equally applicable to the pan-tilt structure 4 of the present invention.

It should be noted that, in this context, relational terms such as first and second are used merely to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply such entities or operations. There is any such actual relationship or order between them. The terms "including", "comprising" or "comprising" or "comprising" are intended to include a non-exclusive inclusion, such that a process, method, article, or device that comprises a plurality of elements includes not only those elements but also other items not specifically listed Elements, or elements that are inherent to such a process, method, item, or device. An element that is defined by the phrase "comprising a ..." does not exclude the presence of additional equivalent elements in the process, method, item, or device that comprises the element.

The method and apparatus provided by the embodiments of the present invention are described in detail above. The principles and implementations of the present invention are described in the specific examples. The description of the above embodiments is only used to help understand the method of the present invention and Core idea; at the same time, one for the field The present invention is not limited by the scope of the present invention.

The disclosure of this patent document contains material that is subject to copyright protection. This copyright is the property of the copyright holder. The copyright owner has no objection to the reproduction of the patent document or the patent disclosure in the official records and files of the Patent and Trademark Office.

Claims

A gimbal axle arm structure, comprising: a first axle arm, a second axle arm, and a locking mechanism capable of locking the first axle arm and the second axle arm; wherein the lock Tight institutions include:

a sliding assembly, a driving assembly, and a clamping member disposed on the second axle arm, the driving assembly driving the sliding assembly to move from the first position to the second position such that the clamping member is clamped or loosened The first axle arm, in turn, locks or unlocks the first axle arm and the second axle arm.
The pan/tilt arm structure according to claim 1, wherein:

a mounting hole is formed in the second shaft arm, and the clamping member is installed in the mounting hole and forms a through hole for the first shaft arm to pass through in the mounting hole, the clamping Moving under the direction of the sliding assembly, moving in a direction toward or away from the first axial arm to reduce or enlarge the diameter of the through hole to clamp or loosen the first clamping member The axle arm, in turn, locks or unlocks the first axle arm and the second axle arm.
The pan/tilt arm structure according to claim 2, wherein the second axle arm is provided with a top cover, and the top cover is fixed to one end of the second axle arm and the second shaft The arms collectively enclose the mounting holes, and the top cover and the clamping member are respectively located on both sides of the first axle arm.
The pan-tilt arm structure according to claim 3, wherein the first axial arm is provided with a limiting guiding surface, and the top cover is provided with a limit combination adapted to the limiting guiding surface surface.
The pan-tilt arm structure according to claim 4, wherein the limit guiding surface is a limiting inclined surface or a limiting circular arc surface, and the limiting joint surface is corresponding to the limiting guiding surface Limit bevel or limit arc face.
The pan/tilt arm structure according to claim 1, wherein:

The clamping member is provided with a plurality of pushing surfaces;

The sliding assembly is provided with a guiding surface that cooperates with the pushing surface;

During the movement of the sliding assembly, the guiding surface pushes against the pushing surface to make the clamping The piece moves in a direction toward or away from the first axle arm.
The pan/tilt arm structure according to claim 6, wherein:

The sliding assembly includes a connecting member disposed on one side of the clamping member, the driving assembly drives the connecting member to move from a first position to a second position, and the connecting member is provided with the guiding surface a guiding surface;

During the movement of the sliding assembly, the first guiding surface of the connecting member pushes against the pushing surface of the clamping member, so that the clamping member is adjacent to or away from the first axial arm. Move in direction.
The pan/tilt arm structure according to claim 7, wherein the sliding assembly further comprises a fitting member disposed on the other side of the clamping member, the driving assembly driving the fitting member toward or away from The connecting member moves, and the second guiding surface of the guiding surface is disposed on the mating member;

During the movement of the sliding assembly, the second guiding surface of the fitting member and the first guiding surface of the connecting member jointly push against the pushing surface of the clamping member, so that the clip The tension member moves in a direction toward or away from the first axle arm.
The pan/tilt arm structure according to claim 1, wherein the drive assembly is a screw drive assembly, the slide assembly includes a connecting member, and the connecting member is provided with a threaded connection portion, the lead screw The transmission assembly includes: an adjustment rod disposed on the connecting member, the adjustment rod is provided with a first end thread, and the first end thread is screwed with the threaded connection portion of the connecting member to drive the The connector moves from the first position to the second position in the axial direction of the adjustment lever.
The pan/tilt arm structure according to claim 9, wherein the adjusting rod further comprises a pushing portion, the sliding assembly further comprises a fitting member, wherein the connecting member and the fitting member are located in the clip On both sides of the fastener, when the first end thread drives the connector to move from the first position to the second position, the pushing portion urges the fitting toward or away from the connector.
The pan/tilt arm structure according to claim 9, wherein the second end of the adjusting rod passes through the second shaft arm, and the screw drive assembly further includes: a first driving member fixedly connected at two ends, the first driving member for driving the adjusting rod along an axis Rotating to drive the slide assembly to move from the first position to the second position along the axial direction of the adjustment rod.
The pan/tilt arm structure according to claim 1, wherein the drive assembly is a rack and pinion drive assembly, and the rack and pinion drive assembly comprises: a gear member and a drive coupled to the first end of the gear member a tooth condition, the tooth condition being fixedly coupled to the sliding assembly, the tooth condition driving the sliding assembly to move from the first position to the second position along a length direction of the tooth condition under driving of the gear member .
The pan/tilt arm structure according to claim 12, wherein the second end of the gear member passes through the second shaft arm, and the rack and pinion drive assembly further includes: a second driving member fixedly connected to the second end, configured to drive the gear member to rotate in the axial direction, so that the tooth condition drives the sliding assembly to move from the first position to the second position along the length direction of the tooth condition .
The pan/tilt arm structure according to claim 1, wherein the first axle arm is provided with a guiding passage, and the pan/tilt arm structure further comprises an adjustable second arm relative to the first a guiding mechanism for moving an axial arm;

The guiding mechanism includes: a guiding shaft and a transmission member movably coupled to the guiding shaft along an axial direction of the guiding shaft, the guiding shaft is disposed in the guiding passage, the transmission member and the first The two-axis arm is fixedly connected.
The pan/tilt arm structure according to claim 14, wherein the guiding mechanism further comprises: a third driving member coupled to the guiding shaft for driving the shaft of the transmission member along the guiding shaft Moving toward the guide shaft.
The pan/tilt arm structure according to claim 15, wherein the guide shaft is a screw, the guide shaft is disposed through the transmission member and is screwed with the transmission member; The tail end protrudes from the guiding passage, and the third driving member is connected to the tail end of the guiding shaft for driving the guiding shaft to rotate in the axial direction, thereby making the transmission member along the axis of the guiding shaft Moving toward the guide shaft.
The pan/tilt arm structure according to claim 15, wherein the guide machine The structure further includes: a positioning member disposed between the third driving member and the first shaft arm, the positioning member is provided with a positioning hole, and the tail end of the guiding shaft passes through the positioning hole and is further The third drive member is connected.
The pan-tilt arm structure according to claim 17, wherein a side wall of the positioning member adjacent to a side of the third driving member is recessed inwardly to form a positioning cavity, and the third driving member comprises a positioning block in the positioning cavity and a knob block fixedly connected to the positioning block, the guiding shaft is fixedly connected with the positioning block.
A gimbal structure comprising a motor assembly, characterized in that:

The pan/tilt structure further includes a pan/tilt arm structure including a first axle arm, a second axle arm, and a lock capable of locking the first axle arm and the second axle arm a locking mechanism; wherein the locking mechanism comprises: a sliding assembly, a driving assembly, and a clamping member disposed on the second axial arm, the driving assembly driving the sliding assembly to move from the first position to the second position Causing or releasing the first axial arm to lock or unlock the first axial arm and the second axial arm;

The motor assembly includes a first motor that drives the first axle arm to rotate, and a second motor that is disposed on the second axle arm for driving the third axle arm to rotate.
The gimbal structure according to claim 19, wherein:

a mounting hole is formed in the second shaft arm, and the clamping member is installed in the mounting hole and forms a through hole for the first shaft arm to pass through in the mounting hole, the clamping Moving under the direction of the sliding assembly, moving in a direction toward or away from the first axial arm to reduce or enlarge the diameter of the through hole to clamp or loosen the first clamping member The axle arm, in turn, locks or unlocks the first axle arm and the second axle arm.
The gimbal structure according to claim 20, wherein the second axle arm is provided with a top cover, and the top cover is fixed to one end of the second axle arm and is common with the second axle arm The mounting hole is defined, and the top cover and the clamping member are respectively located at two sides of the first shaft arm.
The pan/tilt structure according to claim 21, wherein the first axial arm is provided with a limiting guiding surface, and the top cover is provided with a limiting joint surface adapted to the limiting guiding surface.
The pan/tilt structure according to claim 22, wherein the limit guiding surface is a limiting inclined surface or a limiting circular arc surface, and the limiting joint surface is a limit corresponding to the limiting guiding surface Bevel or limit arc surface.
The gimbal structure according to claim 19, wherein:

The clamping member is provided with a plurality of pushing surfaces;

The sliding assembly is provided with a guiding surface that cooperates with the pushing surface;

During the movement of the sliding assembly, the guiding surface pushes against the pushing surface to move the clamping member in a direction close to or away from the first axial arm.
The pan/tilt arm structure according to claim 24, wherein:

The sliding assembly includes a connecting member disposed on one side of the clamping member, the driving assembly drives the connecting member to move from a first position to a second position, and the connecting member is provided with the guiding surface a guiding surface;

During the movement of the sliding assembly, the first guiding surface of the connecting member pushes against the pushing surface of the clamping member, so that the clamping member is adjacent to or away from the first axial arm. Move in direction.
The pan/tilt arm structure according to claim 25, wherein the sliding assembly further comprises a fitting member disposed on the other side of the clamping member, the driving assembly driving the fitting member toward or away from The connecting member moves, and the second guiding surface of the guiding surface is disposed on the mating member;

During the movement of the sliding assembly, the second guiding surface of the fitting member and the first guiding surface of the connecting member jointly push against the pushing surface of the clamping member, so that the clip The tension member moves in a direction toward or away from the first axle arm.
The pan/tilt structure according to claim 19, wherein the drive assembly is a screw drive assembly, the slide assembly includes a connector, and the connector is provided with a threaded connection, the screw drive assembly The utility model comprises: an adjusting rod disposed on the connecting member, the adjusting rod is provided with a first end thread, and the first end thread is screwed with the threaded connection portion of the connecting member to drive the connecting member Moving from the first position to the second position along the axial direction of the adjustment rod.
The pan/tilt arm structure according to claim 27, wherein said adjustment lever Further provided with a pushing portion, the sliding assembly further includes a fitting member, the connecting member and the fitting member are located at two sides of the clamping member, the first end thread driving the connecting member from the first position When moved to the second position, the pushing portion urges the fitting toward or away from the connector.
The pan/tilt structure according to claim 27, wherein the second end of the adjustment rod passes through the second shaft arm, the screw drive assembly further comprising: a second end with the adjustment rod And a first driving member for driving the adjusting rod to rotate in the axial direction to drive the sliding assembly to move from the first position to the second position along the axial direction of the adjusting rod.
The pan/tilt structure according to claim 19, wherein the drive assembly is a rack and pinion drive assembly, and the rack and pinion drive assembly includes: a gear member and a tooth coupled to the first end of the gear member Conditionally, the tooth condition is fixedly coupled to the sliding assembly, and the tooth condition drives the sliding assembly to move from the first position to the second position along a length direction of the tooth condition under the driving of the gear member.
The pan/tilt structure according to claim 30, wherein the second end of the gear member passes through the second shaft arm, and the rack and pinion drive assembly further includes: a second portion with the gear member And a second driving member fixedly connected to drive the gear member to rotate in the axial direction, so that the tooth condition drives the sliding assembly to move from the first position to the second position along the length direction of the tooth condition.
The pan/tilt structure according to claim 19, wherein the first axle arm is provided with a guiding channel, and the pan-tilt arm structure further comprises an adjustable second arm arm relative to the first axis a guiding mechanism for moving the arm;

The guiding mechanism includes: a guiding shaft and a transmission member movably coupled to the guiding shaft along an axial direction of the guiding shaft, the guiding shaft is disposed in the guiding passage, the transmission member and the first The two-axis arm is fixedly connected.
A pan/tilt structure according to claim 32, wherein said guiding mechanism further comprises: a third driving member coupled to said guide shaft for driving said transmission member to be axially opposed to said guide shaft The guide shaft moves.
The gimbal structure according to claim 33, wherein the guide shaft is a screw, the guide shaft is threaded through the transmission member and is screwed to the transmission member; the tail end of the guide shaft Extending the guiding passage, the third driving member is connected to a tail end of the guiding shaft for driving the guiding shaft to rotate in the axial direction, thereby making the transmission member axially opposite to the guiding shaft The guide shaft moves.
The pan/tilt structure according to claim 33, wherein the guiding mechanism further comprises: a positioning member disposed between the third driving member and the first axle arm, wherein the positioning member is provided a positioning hole through which the trailing end of the guiding shaft is connected to the third driving member.
The platform structure according to claim 35, wherein a side wall of the positioning member adjacent to a side of the third driving member is recessed inwardly to form a positioning cavity, and the third driving member is disposed at the a positioning block in the positioning cavity and a knob block fixedly connected to the positioning block, the guiding shaft being fixedly connected with the positioning block.
A gimbal axle arm structure, comprising: a first axle arm, a second axle arm, and a locking mechanism capable of locking the first axle arm and the second axle arm; wherein the lock Tight institutions include:

a linear drive assembly and a clamping member disposed on the second axial arm, the linear drive assembly driving the clamping member to clamp or release the first axle arm, thereby the first axle arm and The second axle arm is locked or unlocked.
The pan/tilt arm structure according to claim 37, wherein:

a mounting hole is formed in the second shaft arm, and the clamping member is installed in the mounting hole and forms a through hole for the first shaft arm to pass through in the mounting hole, the clamping Moving under the direction of the sliding assembly, moving in a direction toward or away from the first axial arm to reduce or enlarge the diameter of the through hole to clamp or loosen the first clamping member The axle arm, in turn, locks or unlocks the first axle arm and the second axle arm.
The pan/tilt arm structure according to claim 38, wherein the second arm is provided with a top cover, and the top cover is fixed to one end of the second arm and to the second shaft Arm The mounting holes are collectively formed, and the top cover and the clamping member are respectively located at two sides of the first axle arm.
The pan-tilt arm structure according to claim 39, wherein the first axial arm is provided with a limiting guiding surface, and the top cover is provided with a limit combination adapted to the limiting guiding surface surface.
The pan-tilt arm structure according to claim 40, wherein the limit guiding surface is a limiting inclined surface or a limiting circular arc surface, and the limiting joint surface is corresponding to the limiting guiding surface Limit bevel or limit arc face.
The pan/tilt arm structure according to claim 37, wherein the linear drive assembly is a screw drive assembly, and the lead screw drive assembly includes: threadedly coupled to the axis of the second axial arm A screw of a second axle arm, the first end of the screw for urging the clamping member to move in a direction toward or away from the first axle arm.
The pan/tilt arm structure according to claim 37, wherein the linear drive assembly is a screw drive assembly, and the lead screw drive assembly includes: threadedly coupled to the first axial arm in an axial direction a screw of a second axial arm, wherein a first end of the screw is provided with an abutting slope along a circumferential surface, and the clamping member is provided with an abutting mating surface adapted to the abutting slope, the screw During the movement, the abutting ramp pushes against the abutment mating surface of the clamping member to move the clamping member in a direction toward or away from the first axle arm.
The pan/tilt arm structure according to claim 37, wherein the linear drive assembly is a rack and pinion drive assembly, and the rack and pinion drive assembly includes: a gear member and a drive coupled to the gear member. a tooth condition of the end, the tooth condition being disposed along an axial direction of the second axial arm, the tooth condition being moved in a length direction under driving of the gear member, the end of the tooth condition being used to push the tooth The clamping member moves in a direction toward or away from the first axle arm.
The pan/tilt arm structure according to claim 37, wherein the linear drive assembly is a rack and pinion drive assembly, and the rack and pinion drive assembly includes: a gear member and a drive coupled to the gear member. a tooth condition of the end, the tooth condition being disposed along an axial direction of the first arm, the tooth condition moving in a length direction under driving of the gear member, the tooth condition The end portion is provided with an abutting slope surface, and the clamping member is provided with an abutting mating surface adapted to the abutting slope surface, and the abutting slope surface pushes against the clip during the movement of the tooth condition The abutting mating surface of the fastener moves the clamping member in a direction toward or away from the first axle arm.
A gimbal structure comprising a motor assembly, characterized in that:

The pan/tilt structure further includes a pan/tilt arm structure including a first axle arm, a second axle arm, and a lock capable of locking the first axle arm and the second axle arm a tightening mechanism; wherein the locking mechanism comprises: a linear drive assembly and a clamping member disposed on the second axial arm, the linear drive assembly driving the clamping member to clamp or release the first a shaft arm, thereby locking or unlocking the first shaft arm and the second shaft arm;

The motor assembly includes a first motor that drives the first axle arm to rotate, and a second motor that is disposed on the second axle arm for driving the third axle arm to rotate.
A gimbal structure according to claim 46, wherein:

a mounting hole is formed in the second shaft arm, and the clamping member is installed in the mounting hole and forms a through hole for the first shaft arm to pass through in the mounting hole, the clamping Moving under the direction of the sliding assembly, moving in a direction toward or away from the first axial arm to reduce or enlarge the diameter of the through hole to clamp or loosen the first clamping member The axle arm, in turn, locks or unlocks the first axle arm and the second axle arm.
The gimbal structure according to claim 47, wherein said second axle arm is provided with a top cover, said top cover being fixed to one end of said second axle arm and being common to said second axle arm The mounting hole is defined, and the top cover and the clamping member are respectively located at two sides of the first shaft arm.
The gimbal structure according to claim 48, wherein the first axial arm is provided with a limiting guiding surface, and the top cover is provided with a limiting joint surface adapted to the limiting guiding surface.
The gimbal structure according to claim 49, wherein the limit guiding surface is a limiting inclined surface or a limiting circular arc surface, and the limiting joint surface is a limit corresponding to the limiting guiding surface Bevel or limit arc surface.
A pan/tilt structure according to claim 46, wherein said linear drive assembly is a screw drive assembly, said lead screw drive assembly comprising: an axial direction of said second axial arm A screw threadedly coupled to the second axle arm, the first end of the screw for urging the clamping member to move in a direction toward or away from the first axle arm.
The pan/tilt structure according to claim 46, wherein the linear drive assembly is a screw drive assembly, and the lead screw drive assembly includes: threadedly coupled to the first axial arm in an axial direction a screw of the two-axis arm, the first end of the screw is provided with an abutting slope along a circumferential surface, and the clamping member is provided with an abutting mating surface adapted to the abutting slope, the screw moving process The abutting ramp pushes against the abutment mating surface of the clamping member to move the clamping member in a direction toward or away from the first axle arm.
A pan/tilt structure according to claim 46, wherein said linear drive assembly is a rack and pinion drive assembly, said rack and pinion drive assembly comprising: a gear member and a drive coupled to said first end of said gear member a tooth condition, the tooth condition being disposed along an axial direction of the second axial arm, the tooth condition being moved in a length direction under driving of the gear member, the end of the tooth condition being used to push the clamping The piece moves in a direction toward or away from the first axle arm.
A pan/tilt structure according to claim 46, wherein said linear drive assembly is a rack and pinion drive assembly, said rack and pinion drive assembly comprising: a gear member and a drive coupled to said first end of said gear member a tooth condition, the tooth condition is disposed along an axial direction of the first axial arm, the tooth condition is moved in a longitudinal direction under driving of the gear member, and an end portion of the tooth condition is provided with an abutting slope surface, The clamping member is provided with an abutting mating surface adapted to the abutting slope surface, and the abutting ramp surface pushes against the abutting mating surface of the clamping member during the movement of the tooth condition, so that The clamping member moves in a direction toward or away from the first axial arm.