阅读说明：本技术 一种可调式系留气球托球架结构 (Adjustable tethered balloon support structure ) 是由 黄祖兴 厉彦峰 于 2021-06-08 设计创作，主要内容包括：本发明提出了一种可调式系留气球托球架结构,包括驱动装置、摆动装置、伸缩装置和托球架体；摆动装置包括摆动臂体和摆动臂驱动丝杆,摆动臂驱动丝杆通过转动调整摆动臂体；伸缩装置包括伸缩臂体和伸缩臂驱动丝杆,伸缩臂驱动丝杆通过转动调整伸缩臂体；驱动装置包括摆动驱动电机和伸缩驱动电机,摆动驱动电机用于带动摆动臂驱动丝杆转动,伸缩驱动电机用于带动伸缩臂驱动丝杆转动；托球架体固定设置于伸缩臂体的顶部,借此,本发明具有能够使托球架适用于多种系留气球的优点。(The invention provides an adjustable captive balloon ball support frame structure, which comprises a driving device, a swinging device, a telescopic device and a ball support frame body, wherein the driving device is connected with the swinging device; the swing device comprises a swing arm body and a swing arm driving screw rod, and the swing arm driving screw rod adjusts the swing arm body through rotation; the telescopic device comprises a telescopic arm body and a telescopic arm driving screw rod, and the telescopic arm driving screw rod adjusts the telescopic arm body through rotation; the driving device comprises a swing driving motor and a telescopic driving motor, the swing driving motor is used for driving the swing arm to drive the screw rod to rotate, and the telescopic driving motor is used for driving the telescopic arm to drive the screw rod to rotate; the ball support frame body is fixedly arranged at the top of the telescopic arm body, so that the invention has the advantage that the ball support frame is suitable for various captive balloons.)

1. An adjustable captive balloon ball support frame structure is characterized by comprising a driving device, a swinging device, a telescopic device and a ball support frame body;

the swing device comprises a swing arm body and a swing arm driving screw rod, and the swing arm driving screw rod adjusts the swing arm body through rotation;

the telescopic device comprises a telescopic arm body and a telescopic arm driving screw rod, and the telescopic arm driving screw rod adjusts the telescopic arm body through rotation;

the driving device comprises a swing driving motor and a telescopic driving motor, the swing driving motor is used for driving a swing arm to drive a screw rod to rotate, and the telescopic driving motor is used for driving a telescopic arm to drive the screw rod to rotate;

the ball support body is fixedly arranged at the top of the telescopic arm body.

2. The adjustable captive balloon ball-holding rack structure of claim 1, wherein the swing device further comprises a fixing plate, the fixing plate is disposed on one side of the swing arm, a first fixing frame is fixedly disposed on one side of a top end of the fixing plate, the swing arm is hinged to the first fixing frame, a second fixing frame is fixedly disposed on one side of a bottom end of the fixing plate, the swing arm drives the screw rod to be hinged to the second fixing frame, and the first fixing frame and the second fixing frame are disposed on the same side of the fixing plate.

3. The adjustable captive balloon cradle structure of claim 2, wherein the swing arm drive screw has a threaded outer surface on a sidewall;

the outer side sleeve of swing arm drive lead screw is equipped with first rotation seat, and threaded connection sets up between the inner wall of first rotation seat and the swing arm drive lead screw, and first rotation seat reciprocates along with the rotation of swing arm drive lead screw, and the outside of first rotation seat is provided with the third mount, and is articulated mutually between first rotation seat and the third mount, the third mount with fixed connection sets up between the swing arm body.

4. The adjustable captive balloon cradle structure of claim 3, wherein the top end of the swing arm drive screw penetrates through the swing arm body, the bottom of the swing arm drive screw is fixedly connected with the swing drive motor, a second rotating seat is sleeved on the outer side of the bottom end of the swing arm drive screw, the inner wall of the second rotating seat is connected with the swing arm drive screw through a bearing, and the outer wall of the second rotating seat is hinged to the second fixed frame.

5. The adjustable captive balloon cradle structure of claim 3, wherein a support is fixedly mounted to one side of the telescoping device, and the swing arm body includes a first swing arm connection portion and a second swing arm connection portion;

the first swing arm connecting part is arranged in a hollow manner, first rotating shafts are arranged at two ends of the first swing arm connecting part, one end of the first swing arm connecting part is hinged with the supporting frame through the first rotating shaft, and the other end of the first swing arm connecting part is hinged with the first fixing frame through the first rotating shaft;

the second swing arm connecting portion is arranged below the first swing arm connecting portion, the second rotating shafts are arranged at two ends of the second swing arm connecting portion, one end of the second swing arm connecting portion is hinged to the supporting frame through the second rotating shafts, and the other end of the second swing arm connecting portion is hinged to the first fixing frame through the second rotating shafts.

6. The adjustable captive balloon ball-holding rack structure of claim 5, wherein a sliding opening is formed in a middle portion of the second swing arm connecting portion, the sliding opening is formed along a length direction of the second swing arm connecting portion, a top end of the swing arm driving screw penetrates through the sliding opening, and the third fixing frame is fixedly arranged on a bottom surface of the second swing arm connecting portion.

7. The adjustable captive balloon cradle structure of claim 5, wherein the telescoping device further comprises a telescopic arm mount, the telescopic arm mount is rectangular, a cavity with an upward opening is formed in the telescopic arm mount, the telescopic arm body and the telescopic arm driving screw are both disposed in the cavity, and the support frame is fixedly disposed on one side of the telescopic arm mount.

8. The adjustable captive balloon cradle according to claim 7, wherein the telescopic boom is sleeved on an outer side of the telescopic boom drive screw, an inner wall of the telescopic boom and the telescopic boom drive screw are in threaded connection, and an outer wall of the telescopic boom and an inner wall of the telescopic boom fixing frame are in sliding connection.

9. The adjustable captive balloon ball-holding stand structure of claim 8, wherein the telescopic driving motor is fixedly disposed at a bottom of the telescopic arm fixing frame, and the telescopic driving motor is configured to drive the telescopic arm driving screw to rotate.

10. The adjustable captive balloon cradle structure of claim 9, wherein a third rotating seat is provided at a bottom end of the telescopic arm driving screw, an inner wall of the third rotating seat is connected to the telescopic arm driving screw through a bearing, and an outer wall of the third rotating seat is fixedly connected to the telescopic arm fixing frame.

Technical Field

The invention belongs to the technical field of captive balloons, and particularly relates to an adjustable captive balloon support frame structure.

Background

Currently, captive balloons belong to one type of aerostats, and realize air buoyancy by using the buoyancy of gas (helium) in the balloon. The captive balloon load can be used in civil fields such as AI S monitoring, atmospheric environment monitoring, public security and fire monitoring, wide-area Internet of things coverage and military fields such as air early warning, electronic countermeasure, technical investigation and monitoring. In both the air mooring and ground anchoring states, the buoyancy and wind disturbance of the balloon need to be balanced by cables, ball supporting frames and the like in order to enable the captive balloon to stay in the air.

However, most of the existing ball support frame structures are fixed, and the height and the size of the ball support frame cannot be adjusted, so that one ball support frame can only be suitable for one tethered balloon.

Disclosure of Invention

The invention provides an adjustable captive balloon ball support frame structure, which can enable the ball support frame to be suitable for various captive balloons.

The technical scheme of the invention is realized as follows: an adjustable captive balloon ball support frame structure comprises a driving device, a swinging device, a telescopic device and a ball support frame body;

the swing device comprises a swing arm body and a swing arm driving screw rod, and the swing arm driving screw rod adjusts the swing arm body through rotation;

the telescopic device comprises a telescopic arm body and a telescopic arm driving screw rod, and the telescopic arm driving screw rod adjusts the telescopic arm body through rotation;

the driving device comprises a swing driving motor and a telescopic driving motor, the swing driving motor is used for driving the swing arm to drive the screw rod to rotate, and the telescopic driving motor is used for driving the telescopic arm to drive the screw rod to rotate;

the ball supporting frame body is fixedly arranged at the top of the telescopic arm body.

As a preferred embodiment, the swing device further includes a fixing plate, the fixing plate is disposed on one side of the swing arm body, a first fixing frame is fixedly disposed on one side of the top end of the fixing plate, the swing arm body is hinged to the first fixing frame, a second fixing frame is fixedly disposed on one side of the bottom end of the fixing plate, the swing arm drives the lead screw to be hinged to the second fixing frame, and the first fixing frame and the second fixing frame are disposed on the same side of the fixing plate.

As a preferred embodiment, the outer surface of the side wall of the swing arm driving screw rod is in a threaded arrangement;

the outer side sleeve of swing arm drive lead screw is equipped with first rotation seat, and threaded connection sets up between the inner wall of first rotation seat and the swing arm drive lead screw, and first rotation seat reciprocates along with the rotation of swing arm drive lead screw, and the outside of first rotation seat is provided with the third mount, and is articulated mutually between first rotation seat and the third mount, the third mount with fixed connection sets up between the swing arm body.

As a preferable embodiment, the top end of the swing arm driving screw rod penetrates through the swing arm body, the bottom of the swing arm driving screw rod is fixedly connected with the swing driving motor, a second rotating seat is sleeved on the outer side of the bottom end of the swing arm driving screw rod, the inner wall of the second rotating seat is connected with the swing arm driving screw rod through a bearing, and the outer wall of the second rotating seat is hinged with the second fixing frame.

As a preferred embodiment, a support frame is fixedly arranged on one side of the telescopic device, and the swing arm body comprises a first swing arm connecting part and a second swing arm connecting part;

the first swing arm connecting part is arranged in a hollow manner, first rotating shafts are arranged at two ends of the first swing arm connecting part, one end of the first swing arm connecting part is hinged with the supporting frame through the first rotating shaft, and the other end of the first swing arm connecting part is hinged with the first fixing frame through the first rotating shaft;

the second swing arm connecting portion is arranged below the first swing arm connecting portion, the second rotating shafts are arranged at two ends of the second swing arm connecting portion, one end of the second swing arm connecting portion is hinged to the supporting frame through the second rotating shafts, and the other end of the second swing arm connecting portion is hinged to the first fixing frame through the second rotating shafts.

In a preferred embodiment, a sliding opening is formed in a middle portion of the second swing arm connecting portion, the sliding opening is formed along a longitudinal direction of the second swing arm connecting portion, a tip end of the swing arm driving screw penetrates through the sliding opening, and the third fixing frame is fixedly arranged on a bottom surface of the second swing arm connecting portion.

As a preferred embodiment, the telescopic device further comprises a telescopic arm fixing frame, the telescopic arm fixing frame is arranged in a rectangular mode, a cavity with an upward opening is formed in the telescopic arm fixing frame, the telescopic arm body and the telescopic arm driving screw rod are arranged in the cavity, and the supporting frame is fixedly arranged on one side of the telescopic arm fixing frame.

In a preferred embodiment, the telescopic arm is sleeved outside the telescopic arm driving screw rod, the inner wall of the telescopic arm and the telescopic arm driving screw rod are in threaded connection, and the outer wall of the telescopic arm and the inner wall of the telescopic arm fixing frame are in sliding connection.

As a preferred embodiment, the telescopic driving motor is fixedly arranged at the bottom of the telescopic arm fixing frame, and the telescopic driving motor is used for driving the telescopic arm to drive the screw rod to rotate.

As a preferred embodiment, a third rotating seat is arranged at the bottom end of the telescopic arm driving screw rod, the inner wall of the third rotating seat is in bearing connection with the telescopic arm driving screw rod, and the outer wall of the third rotating seat is fixedly connected with the telescopic arm fixing frame.

After the technical scheme is adopted, the invention has the beneficial effects that:

1. according to the invention, by starting the swing drive motor, the swing arm drives the screw rod to start rotating, the first rotating seat moves upwards or downwards on the swing arm driving screw rod, when the first rotating seat moves upwards, the swing arm body lifts upwards along with the third fixing frame, the top end of the swing arm driving screw rod deflects to the left side in the sliding port under the action of force, the bottom end of the swing arm driving screw rod deflects to the right side under the action of force, and the position of the first rotating seat moving upwards determines the lifting amplitude of the swing arm body; when the first rotating seat moves downwards, the swinging arm body moves downwards along with the third fixing frame, the top end of the swinging arm driving screw rod deviates to the right side in the sliding opening under the action of force, the bottom end of the swinging arm driving screw rod deviates to the left side under the action of force, namely deviates towards the direction of the telescopic device, the downward moving position of the first rotating seat determines the downward placing amplitude of the swinging arm body, and the upward or downward movement of the first rotating seat is determined by the rotating direction of the swinging arm driving screw rod.

2. According to the invention, the telescopic arm drives the screw rod to start rotating by starting the telescopic driving motor, the telescopic arm body moves up and down or downwards relative to the telescopic arm fixing frame, the telescopic arm body drives the ball support body to move up or down, and the telescopic arm body moves up or down according to the rotating direction of the telescopic arm driving screw rod.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of the present invention in its contracted configuration;

FIG. 2 is another schematic view of the present invention in a collapsed configuration;

FIG. 3 is a front view of the present invention as it is collapsed;

FIG. 4 is a schematic view of the present invention in its expanded configuration;

FIG. 5 is a front elevational view of the present invention as deployed;

FIG. 6 is a schematic structural view of a side arm;

FIG. 7 is a schematic side view taken along direction A of FIG. 6;

FIG. 8 is a schematic top view of the side arm;

FIG. 9 is another schematic side arm configuration;

FIG. 10 is a schematic structural view of the fixing base;

fig. 11 is another schematic structural diagram of the fixing base.

In the figure, 1 — the drive; 2-a swing device; 3-a telescopic device; 4-ball support body; 5-a side arm; 6-a connecting frame; 7-a fixed seat; 8-side arm guide wheels; 9-side capstan; 10-a swing drive motor; 11-a telescopic driving motor; 20-a swing arm body; 21-swing arm drive lead screw; 23-fixing the plate; 24-a first rotating seat; 25-a second rotating seat; 26-a first mount; 27-a second mount; 28-a third mount; 200-a first swing arm connection; 201-a second swing arm connection; 202-sliding port; 203-a first rotating shaft; 204-a second rotating shaft; 30-a telescopic arm body; 31-a telescopic arm driving screw rod; 32-telescopic arm fixing frame; 33-a support frame; 34-a third rotating seat; a 50-side arm oscillating body; 51-a side arm extension; 52-side arm platform; 53-a platform telescopic body; 510-a slider; 70-a limiting plate; 71-a first fixed seat; 72-a second fixed seat; 73-a third fixed seat; 74-a fourth fixed seat; 75-a fixed seat support frame; 76-a permanent seat connecting plate; 77-a slide; 78-a rotating shaft; 79-a limiting block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 11, an adjustable captive balloon ball-supporting frame structure includes a driving device 1, a swinging device 2, a telescopic device 3 and a ball-supporting frame body 4;

the swinging device 2 comprises a swinging arm body 20 and a swinging arm driving screw rod 21, wherein the swinging arm driving screw rod 21 adjusts the swinging arm body 20 through rotation;

the telescopic device 3 comprises a telescopic arm body 30 and a telescopic arm driving screw rod 31, and the telescopic arm driving screw rod 31 adjusts the telescopic arm body 30 through rotation;

the driving device 1 comprises a swing driving motor 10 and a telescopic driving motor 11, wherein the swing driving motor 10 is used for driving a swing arm driving screw rod 21 to rotate, and the telescopic driving motor 11 is used for driving a telescopic arm driving screw rod 31 to rotate;

the ball support body 4 is fixedly arranged on the top of the telescopic arm body 30.

The swing device 2 further comprises a fixing plate 23, the fixing plate 23 is arranged on one side of the swing arm body 20, a first fixing frame 26 is fixedly arranged on one side of the top end of the fixing plate 23, the swing arm body 20 is hinged to the first fixing frame 26, a second fixing frame 27 is fixedly arranged on one side of the bottom end of the fixing plate 23, the swing arm driving screw rod 21 is hinged to the second fixing frame 27, and the first fixing frame 26 and the second fixing frame 27 are arranged on the same side of the fixing plate 23.

The outer surface of the side wall of the swing arm driving screw rod 21 is in threaded arrangement;

the outer side of the swing arm driving screw rod 21 is sleeved with a first rotating seat 24, the inner wall of the first rotating seat 24 is in threaded connection with the swing arm driving screw rod 21, the first rotating seat 24 moves up and down along with the rotation of the swing arm driving screw rod 21, a third fixing frame 28 is arranged on the outer side of the first rotating seat 24, the first rotating seat 24 is hinged to the third fixing frame 28, and the third fixing frame 28 is fixedly connected with the swing arm body 20.

The top end of the swing arm driving screw rod 21 penetrates through the swing arm body 20, the bottom of the swing arm driving screw rod 21 is fixedly connected with the swing driving motor 10, a second rotating seat 25 is sleeved on the outer side of the bottom end of the swing arm driving screw rod 21, the inner wall of the second rotating seat 25 is connected with the swing arm driving screw rod 21 through a bearing, and the outer wall of the second rotating seat 25 is hinged to the second fixing frame 27.

A support frame 33 is fixedly arranged on one side of the telescopic device 3, and the swing arm body 20 comprises a first swing arm connecting part 200 and a second swing arm connecting part 201;

the first swing arm connecting part 200 is hollow, the first rotating shaft 203 is arranged at each of the two ends of the first swing arm connecting part 200, one end of the first swing arm connecting part 200 is hinged to the supporting frame 33 through the first rotating shaft 203, and the other end of the first swing arm connecting part 200 is hinged to the first fixing frame 26 through the first rotating shaft 203;

the second swing arm connecting portion 201 is disposed below the first swing arm connecting portion 200, the second rotating shaft 204 is disposed at each of two ends of the second swing arm connecting portion 201, one end of the second swing arm connecting portion 201 is hinged to the supporting frame 33 through the second rotating shaft 204, and the other end of the second swing arm connecting portion 201 is hinged to the first fixing frame 26 through the second rotating shaft 204.

A sliding opening 202 is formed in the middle of the second swing arm connecting portion 201, the sliding opening 202 is formed in the length direction of the second swing arm connecting portion 201, the top end of the swing arm driving screw 21 penetrates through the sliding opening 202, and the third fixing frame 28 is fixedly arranged on the bottom surface of the second swing arm connecting portion 201.

The telescopic device 3 further comprises a telescopic arm fixing frame 32, the telescopic arm fixing frame 32 is rectangular, a cavity with an upward opening is formed in the telescopic arm fixing frame 32, the telescopic arm body 30 and the telescopic arm driving screw rod 31 are both arranged in the cavity, and the supporting frame 33 is fixedly arranged on one side of the telescopic arm fixing frame 32.

The telescopic arm is sleeved on the outer side of the telescopic arm driving screw rod 31, the inner wall of the telescopic arm and the telescopic arm driving screw rod 31 are in threaded connection, and the outer wall of the telescopic arm and the inner wall of the telescopic arm fixing frame 32 are in sliding connection.

The telescopic driving motor 11 is fixedly arranged at the bottom of the telescopic arm fixing frame 32, and the telescopic driving motor 11 is used for driving the telescopic arm driving screw rod 31 to rotate.

The bottom end of the telescopic boom driving screw rod 31 is provided with a third rotating seat 34, the inner wall of the third rotating seat 34 is connected with the telescopic boom driving screw rod 31 through a bearing, and the outer wall of the third rotating seat 34 is fixedly connected with the telescopic boom fixing frame 32.

According to the invention, by starting the swing driving motor 10, the swing arm drives the screw rod 21 to rotate, the first rotating seat 24 moves upwards or downwards on the swing arm driving screw rod 21, when the first rotating seat 24 moves upwards, the swing arm body 20 is lifted upwards along with the third fixing frame 28, the top end of the swing arm driving screw rod 21 is deviated to the left side in the sliding opening 202 under the action of force, the bottom end of the swing arm driving screw rod 21 is deviated to the right side under the action of force, and the position of the first rotating seat 24 moving upwards determines the lifting amplitude of the swing arm body 20; when the first rotating base 24 moves downwards, the swing arm 20 moves downwards along with the third fixing frame 28, the top end of the swing arm driving screw 21 is biased to the right side in the sliding opening 202 by force, the bottom end of the swing arm driving screw 21 is biased to the left side by force, i.e. biased to the direction of the telescopic device 3, the position of the first rotating base 24 moving downwards determines the range of the swing arm 20, and the upward or downward movement of the first rotating base 24 is determined by the rotating direction of the swing arm driving screw 21.

According to the invention, the telescopic driving motor 11 is started, the telescopic arm drives the screw rod 31 to rotate, the telescopic arm body 30 moves up and down or downwards relative to the telescopic arm fixing frame 32, the telescopic arm body 30 drives the ball support body 4 to move up or down, and the telescopic arm body 30 moves up or down depending on the rotation direction of the telescopic arm driving screw rod 31.

A side arm structure is arranged on one side of the fixed plate 23, and comprises a side arm swinging body 50, a side arm telescopic body 51 and a fixed seat;

the side arm swinging body 50 is sleeved outside the side arm telescopic body 51, and the side arm swinging body 50 and the side arm telescopic body 51 are connected in a sliding manner;

the fixing seat is arranged on the inner side of the side arm swinging body 50, one end of the fixing seat is fixedly connected with the side arm swinging body 50, the other end of the fixing seat is fixedly connected with the fixing plate 23, a rotating shaft 78 is arranged in the fixing seat, and the fixing shaft rotates through the rotating shaft 78 to adjust the position of the fixing plate 23.

The inner wall of the side arm swinging body 50 is provided with a sliding chute, the outer wall of the side arm telescopic body 51 is fixedly provided with a sliding block 510, and the sliding block 510 is arranged in the sliding chute and is in sliding connection with the sliding chute.

One end of the side arm telescopic body 51 is inserted into the side arm swinging body 50, the other end of the side arm telescopic body 51 is arranged outside the side arm swinging body 50, and the top of the side arm telescopic body 51 arranged at one end outside the side arm swinging body 50 is fixedly provided with a side arm guide wheel 8.

Along with the increase of the volume of the captive balloon on the balloon support body, the side arm telescopic body 51 moves relative to the side arm swinging body 50, so that the overall length of the side arm is improved, and a main cable of the captive balloon is easier to fix on the side arm guide wheel 8. The side arm telescopic body 51 is telescopic, so that the side arm can adapt to captive balloons with multiple sizes, and the practicability is improved.

A side winch 9 is fixedly provided inside the side arm swing body 50.

The fixing base further includes a limiting plate 70, a first fixing base 71, a second fixing base 72, a third fixing base 73 and a fourth fixing base 74, wherein the limiting plate 70, the first fixing base 71, the third fixing base 73 and the fixing plate 23 are fixedly connected, and the second fixing base 72, the fourth fixing base 74 and the side arm swinging body 50 are fixedly connected.

The second fixed seat 72 is disposed at the bottom of the position-limiting plate 70, the first fixed seat 71 is disposed at the bottom of the second fixed seat 72, the third fixed seat 73 is correspondingly disposed below the first fixed seat 71, and the fourth fixed seat 74 is disposed at the bottom of the third fixed seat 73.

The rotating shaft 78 sequentially penetrates through the limiting plate 70, the second fixing seat 72, the first fixing seat 71, the third fixing seat 73 and the fourth fixing seat 74 from top to bottom, the rotating shaft 78 is fixedly connected with the limiting plate 70, the first fixing seat 71 and the third fixing seat 73, and the rotating shaft 78 is connected with the second fixing seat 72 and the fourth fixing seat 74 through bearings.

A fixing seat connecting plate 76 is fixedly arranged on one side of the rotating shaft 78, the fixing seat connecting plate 76 is fixedly connected with the fixing plate 23, and the fixing seat connecting plate 76 is arranged between the first fixing seat body 71 and the third fixing seat body 73.

A fixing seat support 75 is connected between the second fixing seat 72 and the fourth fixing seat 74.

The limiting plate 70 is provided with a slide 77 which is vertically through, the slide 77 is arranged in an arc shape, a limiting block 79 is arranged in the slide 77 in a penetrating manner, the limiting block 79 and the slide 77 are arranged in a sliding connection manner, and the limiting block 79 and the second fixing seat 72 are fixedly connected.

A side arm platform 52 is arranged on one side of the side arm, a platform telescopic body 53 is arranged in the side arm platform 52 in a sliding way, the side arm platform 52 is fixedly connected with the side arm swinging body 50, and the platform telescopic body 53 is fixedly connected with the side arm telescopic body 51 through a connecting frame 6.

The invention rotates through the rotating shaft 78, is used for driving the fixing plate 23 to rotate, is used for enabling the fixing plate 23 to be suitable for captive balloons with various volume structures, and improves the lifting performance and adaptability of the captive balloons with various volume structures. Meanwhile, the invention also uses the swinging device and the telescopic device of the fixing plate 23 to further adapt the ball support body to the captive balloons with various volume structures, thereby further improving the lifting performance and the adaptability of the captive balloons with various volume structures.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.