CN218559213U - Unmanned aerial vehicle and variable-direction stretching mechanism thereof - Google Patents

Abstract

The utility model discloses an unmanned aerial vehicle and but diversion is visited and is stretched mechanism thereof, include the unmanned aerial vehicle body and arrange the spy arm on the unmanned aerial vehicle body, still including turning to the subassembly, spy arm arranges on turning to the subassembly, turns to rotatable the arranging on the unmanned aerial vehicle body of subassembly, and turns to the subassembly and can drive spy arm and rotate on the level is to the face. The utility model discloses an unmanned aerial vehicle, the steering table passes through the rotatable arrangement of steering spindle on the unmanned aerial vehicle body, and the steering spindle is connected with the transmission of rotation driving piece, therefore under the drive of steering driving piece, the steering table can rotate on the level is to the face, drives to visit the arm and rotate on the level is to the face, realizes the level to the reversible regulation of face.

Description

Unmanned aerial vehicle and variable-direction stretching mechanism thereof

Technical Field

The utility model relates to an unmanned air vehicle technique field, especially an unmanned aerial vehicle with but diversion is visited and is stretched mechanism.

Background

Along with unmanned aerial vehicle technical development, its range of application is more and more extensive, if detect and maintain etc. to the building, need dispose on rotor unmanned aerial vehicle body and visit the stretching arm, dispose sucker structure at the stretching arm front end even, stretch out to adsorb to fix on the building surface and detect the operation.

The utility model discloses a crack detection unmanned aerial vehicle in the Chinese utility model patent with the publication number of CN216509120U, which comprises a flying machine body, a swing mechanism, a stretching mechanism and a crack detection mechanism carried on the stretching mechanism, wherein the swing mechanism is used for adjusting the angle of the stretching mechanism, the swing mechanism is arranged in the middle of the flying machine body, the stretching mechanism is connected to the swing mechanism, the crack detection mechanism is connected to the stretching mechanism, and the crack detection mechanism is driven to slide by the stretching mechanism; this unmanned aerial vehicle can be applicable to and spy stretching the regulation of a plurality of angles of mechanism, does benefit to the detection work of wall crackle. However, this unmanned aerial vehicle surveys and stretches mechanism can only adjust the angle of elevation angle on the vertical plane and can't turn directions on the horizontal plane alone, wants to turn directions on the horizontal plane and needs the adjustment flying object orientation.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an invention purpose is, to above-mentioned problem, provides an unmanned aerial vehicle, possesses the changeable direction and surveys and stretch the mechanism, can realize the diversion and visit and stretch the operation under the flying organism orientation situation of not changeing.

In order to achieve the above purpose, the utility model adopts the technical proposal that:

unmanned aerial vehicle, including the unmanned aerial vehicle body and arrange the spy arm on the unmanned aerial vehicle body, still including turning to the subassembly, spy arm arranges on turning to the subassembly, turns to rotatable the arranging on the unmanned aerial vehicle body of subassembly, and turns to the subassembly and can drive to visit the arm and rotate on the level is to the face.

Wherein, turn to the subassembly including turning to the platform, steering spindle and turning to the driving piece, the arm is stretched in exploring arranges and turns to the bench, steering spindle I end sets up in turning to the bench, and steering spindle II holds rotatable arrangement on the unmanned aerial vehicle body, turns to the driving piece and is connected with the steering spindle transmission, turns to the driving piece and can fix for the unmanned aerial vehicle body and arrange for the arm is stretched in exploring can rotate on the horizontal face under turning to the driving piece drive.

As above-mentioned, will visit the arm and arrange in turning to the bench, turn to the bench and pass through the rotatable arrangement of steering spindle on the unmanned aerial vehicle body, turn to the driving piece and drive down, turn to the bench and can rotate on the level is to the face, drive and visit the arm and rotate on the level is to the face, realize the level to the adjustable of face and adjust.

Based on the foregoing example, as preferably, in order to solve the angle of elevation angle regulation problem of exploring arm, this unmanned aerial vehicle still includes the swing subassembly, and exploring arm sets up on the swing subassembly, and the swing subassembly sets up on the turn to the bench, and the swing subassembly can drive exploring arm and rotate in order to adjust exploring arm angle of elevation angle on the vertical plane.

Preferably, the swing assembly includes the support frame, the swinging bracket and the swing driving piece, the support frame sets up on the bogie, and this support frame can be for the outside protrusion of bogie in order to form the evagination section, the swinging bracket is rotatable to set up on the evagination section of this support frame, the swing driving piece is connected with the swinging bracket transmission, the swing driving piece can be for bogie fixed arrangement, it sets up on the swinging bracket to visit the arm fixed for visit the arm and can rotate on the vertical plane under the swing driving piece drives. The swing frame comprises a support and a rack seat, the rack seat is of a semicircular structure, a tooth part is arranged on the inner wall surface of the rack seat, the support is connected to the open end of the rack seat, the extension arm is fixedly arranged on the support, the middle part of the support is rotatably arranged on the convex section of the support frame through a swing shaft, the swing driving part is arranged on the steering table, and the swing driving part is in gear transmission connection with the tooth part of the rack seat; the swing driving piece is a swing stepping motor, the steering driving piece is a steering stepping motor, and the steering stepping motor is in transmission connection with the steering shaft gear. Therefore, the support and the rack seat are utilized to form a semicircular frame, the rotation center is arranged at the middle position of the support, the swing driving piece is utilized to drive the rack seat, the rack seat is enabled to have a longer force arm, the driving can be realized by using a smaller swing driving piece, and the control of load bearing is facilitated.

Due to the adoption of the technical scheme, the utility model discloses following beneficial effect has:

1. the utility model discloses an unmanned aerial vehicle, the steering table passes through the rotatable arrangement of steering spindle on the unmanned aerial vehicle body, and the steering spindle is connected with the transmission of rotation driving piece, therefore under the drive of steering driving piece, the steering table can rotate on the level is to the face, drives to visit the arm and rotate on the level is to the face, realizes the level to the reversible regulation of face.

2. The extension arm is arranged on the swing assembly, the swing assembly can drive the extension arm to rotate on the vertical surface, the extension arm rotates along with the swing assembly to adjust the elevation angle of the extension arm, the swing assembly is arranged on the steering table, and the horizontal direction-variable adjustment is realized simultaneously by the elevation angle adjusting function, so that the extension operation range is effectively expanded.

Drawings

Figure 1 is the utility model discloses an unmanned aerial vehicle example 1 looks sideways at the schematic structure diagram.

Fig. 2 is a partially enlarged view of fig. 1.

Fig. 3 is a schematic structural diagram of the drone body of fig. 1.

Fig. 4 is a schematic structural view of the probing mechanism of fig. 1.

Fig. 5 is a partially enlarged view of fig. 4.

Fig. 6 is a partially enlarged view of fig. 5.

Fig. 7 is still another partially enlarged view of fig. 5.

Fig. 8 is a schematic view of another perspective structure of fig. 4.

Fig. 9 is a partially enlarged view of fig. 8.

Fig. 10 is still another partially enlarged view of fig. 8.

Fig. 11 is a schematic view of the structure of fig. 4 from yet another perspective.

Fig. 12 is a partially enlarged view of fig. 11.

Fig. 13 is still another partial enlarged view of fig. 11.

Fig. 14 is a schematic view of the structure of fig. 4 from yet another perspective.

Fig. 15 is a partially enlarged view of fig. 14.

Fig. 16 is a partial structural view from yet another perspective of fig. 4.

Fig. 17 is a partial structural view from yet another perspective of fig. 4.

Fig. 18 is a partial internal structural view from yet another perspective of fig. 4.

Fig. 19 is a partial structure view from another perspective of fig. 18.

Fig. 20 is a schematic view of a side view of a part of example 2 of the unmanned aerial vehicle of the present invention.

Fig. 21 is a schematic diagram of a side view of a part of example 3 of the unmanned aerial vehicle of the present invention.

In the attached drawing, the device comprises a machine body 1, a machine body 2, a steering assembly 3, a swinging assembly 4 and a stretching arm.

Detailed Description

Example 1

Referring to fig. 3, it has horizontal x and vertical y to define on the unmanned aerial vehicle body, and z is vertical, and xy is the horizontal to the face, is the vertical plane through the xy normal plane of z.

Referring to fig. 1-19, the unmanned aerial vehicle of this embodiment includes the unmanned aerial vehicle body and arranges the spy stretching arm 4 on the unmanned aerial vehicle body, still includes to turn to the subassembly 2, spy stretching arm 4 arranges on turning to the subassembly 2, turns to rotatable the arranging on the unmanned aerial vehicle body of subassembly 2, and turns to the subassembly 2 and can drive spy stretching arm 4 and rotate on the horizontal surface.

Wherein, the unmanned aerial vehicle body includes organism 1, frame 11, foot rest 12, trailing arm 13 and rotor 14 etc. disposes the circuit board etc. of lithium cell group and controller in the organism 1, opens via cable connection and control rotor 14 and stops. The unmanned aerial vehicle body is exploring the operation of stretching and need dispose and is exploring boom 2 and carry out the operation equipment, see chinese patent document "a crack detection unmanned aerial vehicle, notice No. CN216509120U", explain to four rotor unmanned aerial vehicle carry out the crack detection scheme to the building as the example, arranged on the unmanned aerial vehicle body and visited boom and crack detection mechanism, crack detection mechanism includes mechanical working arm and crack detector etc. can follow and visit and stretch the boom and slide and reach overhanging around, and then realize the crack detection through the crack detector. This application explains with exploring to stretch the arm and install the position on the unmanned aerial vehicle body as the example, and it typically is electric putter or arm to visit to stretch for stretching the arm (only rolling over in a plane and outwards exploring), etc. and unmanned aerial vehicle body and visit and stretch the arm etc. and be existing technique, give unnecessary detail here.

Turn to subassembly 2 including turning to platform 21, steering spindle 22 and turning to the driving piece, spy stretch arm 4 arranges on turning to platform 21, the I end of steering spindle 22 sets up on turning to platform 21, the rotatable arrangement in unmanned aerial vehicle body of II end of steering spindle 22 turns to the driving piece and is connected with the transmission of steering spindle 22, it can be for unmanned aerial vehicle body fixed arrangement to turn to the driving piece for spy stretch arm 4 can rotate on the horizontal face under turning to the driving piece and driving.

The steering driving piece is a steering motor, preferably a steering stepping motor 25, a steering gear I24 is arranged on the steering shaft 22, a steering gear II241 meshed with the steering gear I is arranged on a driving shaft of the steering stepping motor 25, and the steering stepping motor 25 is in gear transmission connection with the steering shaft 22. Turn to step motor and pass through driver drive operation, turn to step motor and this body coupling of unmanned aerial vehicle and control technology and be existing technique, no longer give unnecessary details here.

In order to furthest keep the original structure of the unmanned aerial vehicle body and the independence of the stretching mechanism, the steering assembly and the unmanned aerial vehicle body connecting structure can be realized by configuring the limiting platform 26. At this time, the end II of the steering shaft 22 is rotatably connected to the limiting table 26 through the steering bearing 23 and the steering sleeve 231, the steering sleeve 231 is fixedly connected to the limiting table 26 by welding or integral molding, the steering sleeve 231 is connected to the end II of the steering shaft 22 through the steering bearing 23, and the end I of the steering shaft is fixedly connected to the center of the steering table 21 by welding or integral molding. The steering stepping motor 25 is fixedly connected to the limiting table 26 through a Z-shaped frame I251, and is fixed in a threaded connection mode. Thus, a relatively independent extension mechanism can be formed, and the rotation of the extension mechanism relative to the limiting table on the horizontal surface can be realized. Then, the limiting table 26 is fixedly connected to the unmanned aerial vehicle body in a threaded connection mode, the mounting hole 112 is formed in the upper plate 111 of the rack 11, the fixing hole is formed in the corresponding position of the limiting table, and then the steering shaft is fixedly connected to the unmanned aerial vehicle body in a matched mode through the bolts and the nuts, so that the steering shaft can be rotatably arranged on the unmanned aerial vehicle body.

Wherein the stiff end of exploring the arm is fixed on turning to the platform, can adopt modes such as screwed connection, and the flexible end of exploring the arm can stretch out and contract in for turning to the platform for the realization will visit the arm and arrange on turning to the platform. The steering table and the limiting table can be respectively of a plate-shaped structure such as a circular plate or a rectangular plate, hollow holes can be formed in the steering table and the limiting table to reduce weight, a frame structure can be formed by connecting a square tube and the like in a transverse and longitudinal mode, the illustration is given by taking the circular plate without the hollow holes as an example, and the description is not repeated.

As above-mentioned, will visit the arm and arrange in turning to the bench, turn to the bench and pass through the steering spindle rotatable arrange on the unmanned aerial vehicle body, and the steering spindle is connected with the transmission of rotation driving piece, therefore turn to the driving piece and drive down, turn to the bench and can rotate on the level is to the face, drive and visit the arm and rotate on the level is to the face, realize visiting the arm and can turn to the regulation to the face at the level.

Example 2

In addition to embodiment 1, preferably, embodiment 2 further includes an elevation angle adjusting structure to solve the problem of adjusting the elevation angle of the probe arm, and the other descriptions are not repeated with reference to embodiment 1.

Referring to fig. 1-19, the unmanned aerial vehicle further includes a swing assembly 3, the stretching arm 4 is disposed on the swing assembly 3, the swing assembly 3 is disposed on the steering table 21, and the swing assembly 3 can drive the stretching arm 4 to rotate on a vertical plane, and the stretching arm 4 rotates along with the swing assembly 3 to adjust the angle of elevation of the stretching arm 4.

The swing assembly can be driven by a motor or a push rod, and preferably, the embodiment 2 adopts a motor-driven swing assembly.

Swing subassembly 3 includes support frame 32, swing span and swing driving piece, support frame 32 sets up on bogie 21, and this support frame 32 can be for the bogie outwards protrusion in order to form the evagination section, the swing span is rotatable to be set up on the evagination section of this support frame 32, the swing driving piece is connected with the swing span transmission, the swing driving piece can be for bogie 21 fixed arrangement, it sets up on the swing span to visit arm 4 fixed, make and visit arm 4 can rotate on the vertical face under the swing driving piece drives.

The swing span includes support 31 and rack seat 33, rack seat 33 is half circular ring structure, can set up to major arc form, half circular arc form or minor arc form as required according to the angle, and the internal face of rack seat 33 is provided with tooth portion, support 31 is connected in the open end of rack seat 33, it sets up on support 31 to visit arm 4 fixed, the middle part of support 31 passes through the rotatable setting of oscillating axle 313 on the evagination section of this support frame, the swing driving piece sets up on the bogie table, and the swing driving piece is connected with the tooth portion gear drive of rack seat.

The two ends and the middle position of the support 31 are respectively provided with an end seat 41 and a center seat 311, and the fixed ends of the probing arms are fixed on the end seats and the center seat, and can adopt screw connection and other modes to arrange the probing arms on the steering table.

Two support frames 32 are selected and arranged oppositely, the support frames are in a trapezoidal structure from side view, two ends of the support frames are fixedly connected to the steering table 21 through frame body fasteners 321 respectively, and the middle parts of the support frames form an outward convex section; a swing shaft 313 is connected between the two convex sections through a shaft fastening member 322, the end of the swing shaft 313 is inserted into a shaft hole at one end of the shaft fastening member and is screwed and fixed by a bolt, the other end of the shaft fastening member is screwed and fixed on the convex section through a bolt, and the swing shaft 313 is rotatably connected to the support 31 through a swing bearing 312, typically rotatably connected to the center base 311. Of course, a single support frame may also be used.

The swing driving part is a swing motor, preferably a swing stepping motor 34, and a driving shaft of the swing stepping motor 34 is provided with a swing gear 331 meshed and connected with the tooth part of the rack seat 33, so as to realize gear transmission connection. The swing gear 331 is fixed on the motor shaft 344, the motor shaft 344 is fixed on two oppositely arranged motor fasteners 341 through a motor bearing 343, the swing stepping motor is connected on the steering table 21 through a Z-shaped frame II342 in a threaded manner, and the motor shaft 344 and a driving shaft of the swing stepping motor can be connected through a coupling 345. Swing step motor passes through driver drive operation, and swing step motor is existing technique with this body coupling of unmanned aerial vehicle and control technology, no longer gives unnecessary details here.

Wherein spare parts such as turn to platform, support frame and swing span all adopt and make with the same existing material of unmanned aerial vehicle body frame, like carbon fiber plate, carbon fiber tube etc. or adopt conventional materials such as stainless steel, aluminum alloy to make, no longer expand the explanation here.

As above-mentioned, will visit the stretching arm and set up on the swing subassembly, the swing subassembly can drive and visit the stretching arm and rotate on vertical face, and it rotates along with the swing subassembly to visit the stretching arm angle of elevation angle to adjust, swing subassembly sets up in the steering table moreover, and the level can change to the regulation to the face when possessing angle of elevation angle regulatory function simultaneously, and effective extension is visited and is stretched the operation range.

Simultaneously, for the swing shaft rotation scheme of swing stepper motor direct drive, this swing subassembly utilizes support and rack seat to constitute semicircular frame, arranges the center of rotation in support middle part position, recycles the swing driving piece and drives the rack seat, makes it have longer arm of force, uses less swing driving piece can realize the drive, does benefit to the control heavy burden.

Example 3

The difference between the embodiment 3 and the foregoing embodiments 1 and 2 lies in the connection structure between the extending mechanism and the main body of the unmanned aerial vehicle, and please refer to the foregoing embodiments 1 and 2 for other descriptions.

Referring to fig. 20, in the present embodiment 3, a fence is provided outside the limiting platform 26 along the edge, so that it forms a circular or rectangular box structure, which can play a role of protection.

Example 4

The difference between the embodiment 4 and the foregoing embodiments 1 to 3 lies in the connection structure between the extending mechanism and the main body of the unmanned aerial vehicle, and please refer to the foregoing embodiments 1 and 2 unless otherwise stated.

Referring to fig. 21, in embodiment 4, the limiting table 26 is removed, and the Z-frame I251 and the steering sleeve 231 are directly mounted on the upper plate 111 of the frame 11. At this time, if the unmanned aerial vehicle body frame adopts a two-petal upper plate as shown in fig. 3, the installation can be staggered at the interval position of the middle part; alternatively, the frame adopts a unitary plate-shaped upper plate structure to be mounted at a central position thereof. The structures can realize that the steering shaft can be rotatably arranged on the unmanned aerial vehicle body, and the description is not provided.

Example 5

This embodiment 5 is a single example of the stretching mechanism of the unmanned aerial vehicle according to embodiments 1 to 4, where the stretching mechanism is mainly applied to the unmanned aerial vehicle, and is also suitable for other devices to be used in the same/equivalent scenarios, and reference is made to embodiments 1 to 4 without a description, which is specifically as follows:

this embodiment 5's unmanned aerial vehicle's changeable orientation is visited and is stretched mechanism, including visiting the arm, still including turning to the subassembly, still including turning to subassembly 2, visit arm 4 and arrange on turning to subassembly 2, turn to subassembly 2 can rotatable arrange on the unmanned aerial vehicle body, and turn to subassembly 2 and can drive and visit arm 4 and rotate on the horizontal is to the face.

Wherein, turn to subassembly 2 including turning to platform 21, steering spindle 22 and turn to the driving piece, spy stretch arm 4 arranges on turning to platform 21, the I end of steering spindle 22 sets up on turning to platform 21, the II end of steering spindle 22 can be rotatable arrange on the unmanned aerial vehicle body, turn to the driving piece and be connected with the 22 transmission of steering spindle, turn to the driving piece and can arrange for unmanned aerial vehicle body fixed for spy stretch arm 4 can rotate on the horizontal face under turning to the driving piece drive.

Like this, spy stretch the arm and arrange in the steering table, the steering table passes through the rotatable arranging of steering spindle on the unmanned aerial vehicle body, under the driving of steering drive spare, the steering table can rotate on the level is to the face, drives to spy stretch the arm and rotates on the level is to the face, realizes the level to the adjustable of face and adjusts.

Based on the foregoing example, in a preferred embodiment, in order to solve the problem of adjusting the elevation angle of the probing arm, the direction-variable probing mechanism of this example further includes a swing assembly 3, the probing arm 4 is disposed on the swing assembly 3, the swing assembly 3 is disposed on the steering table 21, and the swing assembly 3 can drive the probing arm 4 to rotate on the vertical plane, and the probing arm 4 rotates along with the swing assembly 3 to adjust the elevation angle of the probing arm 4. Wherein, swing subassembly 3 includes support frame 32, swing span and swing driving piece, support frame 32 sets up on bogie 21, and this support frame 32 can outwards bulge for bogie in order to form the evagination section, the swing span is rotatable to be set up on the evagination section of this support frame 32, the swing driving piece is connected with the swing span transmission, the swing driving piece can be for bogie 21 fixed arrangement, it sets up on the swing span to visit arm 4 fixed, make and visit arm 4 and can rotate on the vertical face under the swing driving piece drives. The swing span includes support 31 and rack seat 33, rack seat 33 is half circular structure, can set up to excellent arcuation, half arcuation or minor arc form as required according to the angle, and the internal face of rack seat 33 is provided with tooth portion, support 31 is connected in the open end of rack seat 33, it sets up on support 31 to visit arm 4 fixed, the middle part of support 31 passes through that the oscillating axle 313 is rotatable to be set up on the evagination section of this support frame, the swing driving piece sets up on the bogie table, and the swing driving piece is connected with the tooth portion gear drive of rack seat. The swing driving piece is a swing stepping motor, the steering driving piece is a steering stepping motor, and the steering stepping motor is in transmission connection with the steering shaft gear. So, will visit the stretching arm and set up on the swing subassembly, the swing subassembly can drive and visit the stretching arm and rotate on vertical face, and it rotates along with the swing subassembly to visit the stretching arm angle of elevation angle to adjust, swing subassembly sets up in the steering table moreover, realizes the changeable of level to the face and adjusts when possessing angle of elevation angle regulatory function, and effective extension is visited and is stretched the operation range. Simultaneously, for the swing shaft rotation scheme of swing stepper motor direct drive, this swing subassembly utilizes support and rack seat to constitute semi-circular frame, arranges the rotation center in support middle part position, recycles the swing driving piece and drives the rack seat, makes it have longer arm of force, uses less swing driving piece can realize the drive, does benefit to the control and bears a burden.

It should be noted that, the above embodiments may be combined with one another or two or more embodiments according to actual needs, and a plurality of embodiments are illustrated by a set of drawings with combined technical features, and bolt and nut connections of various parts can also be illustrated by a countersunk structure, which is not necessarily described herein.

It should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like, when referring to the orientation or positional relationship shown in the drawings, are only used for convenience of description and simplicity of description, and do not indicate or imply that the referred device or element must have a particular orientation, be constructed in a particular orientation, and be operated.

The above description is intended to illustrate and describe the preferred embodiments of the invention, but not to limit the scope of the invention, and all equivalent changes and modifications made in accordance with the teachings of the present invention are intended to be covered by the present invention.

Claims (10)

1. The utility model provides an unmanned aerial vehicle's variable direction is visited and is stretched mechanism, includes to visit and stretch the arm, its characterized in that: still including turning to the subassembly, the arm is stretched in exploring arranges on turning to the subassembly, turn to the subassembly and can be rotatable arrange on the unmanned aerial vehicle body, and turn to the subassembly and can drive the arm is stretched in the level and rotate to the face.

2. The unmanned aerial vehicle's variable direction probe extension mechanism of claim 1, characterized in that: the steering assembly comprises a steering table, a steering shaft and a steering driving piece, the stretching arm is arranged on the steering table, the I end of the steering shaft is arranged on the steering table, the II end of the steering shaft can be rotatably arranged on the unmanned aerial vehicle body, the steering driving piece is connected with the steering shaft in a transmission mode, the steering driving piece can be fixedly arranged relative to the unmanned aerial vehicle body, and the stretching arm can rotate on the horizontal plane under the driving of the steering driving piece.

3. The unmanned aerial vehicle's variable direction probe extension mechanism of claim 2, characterized in that: still include the swing subassembly, spy stretch the arm and set up on the swing subassembly, the swing subassembly sets up on the turn table, and the swing subassembly can drive and spy stretch the arm and rotate in order to adjust and spy stretch arm angle of elevation angle on the vertical plane.

4. The unmanned aerial vehicle's variable direction probe extension mechanism of claim 3, characterized in that: the swing assembly comprises a support frame, a swing frame and a swing driving piece, the support frame is arranged on the steering table, the support frame can be outwards protruded to form an outward convex section relative to the steering table, the swing frame is rotatably arranged on the outward convex section of the support frame, the swing driving piece is connected with the swing frame in a transmission mode, the swing driving piece can be fixedly arranged relative to the steering table, the stretching arm is fixedly arranged on the swing frame, and the stretching arm can rotate on a vertical surface under the driving of the swing driving piece.

5. The unmanned aerial vehicle's variable direction probe extension mechanism of claim 4, characterized in that: the swing frame comprises a support and a rack seat, the rack seat is of a semicircular structure, the inner wall surface of the rack seat is provided with a tooth part, the support is connected to the opening end of the rack seat, the probing arm is fixedly arranged on the support, the middle part of the support is rotatably arranged on the convex section of the support frame through a swing shaft, the swing driving part is arranged on the steering table, and the swing driving part is in gear transmission connection with the tooth part of the rack seat; the swing driving piece is a swing stepping motor, the steering driving piece is a steering stepping motor, and the steering stepping motor is in transmission connection with the steering shaft gear.

6. The utility model provides an unmanned aerial vehicle, includes the unmanned aerial vehicle body and arranges the spy arm on the unmanned aerial vehicle body, its characterized in that: still including turning to the subassembly, the arm is stretched in exploring arranges on turning to the subassembly, the rotatable arrangement in unmanned aerial vehicle body that turns to the subassembly, and turn to the subassembly and can drive the arm is stretched in the level and rotate to the face.

7. A drone according to claim 6, characterised in that: the steering assembly comprises a steering table, a steering shaft and a steering driving piece, the stretching arm is arranged on the steering table, the I end of the steering shaft is arranged on the steering table, the II end of the steering shaft is rotatably arranged on the unmanned aerial vehicle body, the steering driving piece is in transmission connection with the steering shaft, the steering driving piece can be fixedly arranged relative to the unmanned aerial vehicle body, and the stretching arm can rotate on the horizontal plane under the driving of the steering driving piece.

8. A drone according to claim 7, characterized in that: still include the swing subassembly, spy stretch the arm and set up on the swing subassembly, the swing subassembly sets up on the steering table, and the swing subassembly can drive spy stretch the arm and rotate in order to adjust spy stretch the arm angle of elevation angle on vertical.

9. A drone according to claim 8, characterized in that: the swing assembly comprises a support frame, a swing frame and a swing driving piece, the support frame is arranged on the steering table, the support frame can be outwards protruded to form an outward convex section relative to the steering table, the swing frame is rotatably arranged on the outward convex section of the support frame, the swing driving piece is connected with the swing frame in a transmission mode, the swing driving piece can be fixedly arranged relative to the steering table, the stretching arm is fixedly arranged on the swing frame, and the stretching arm can rotate on a vertical surface under the driving of the swing driving piece.

10. A drone according to claim 9, characterized in that: the swing frame comprises a support and a rack seat, the rack seat is of a semicircular structure, the inner wall surface of the rack seat is provided with a tooth part, the support is connected to the opening end of the rack seat, the probing arm is fixedly arranged on the support, the middle part of the support is rotatably arranged on the convex section of the support frame through a swing shaft, the swing driving part is arranged on the steering table, and the swing driving part is in gear transmission connection with the tooth part of the rack seat; the swing driving piece is a swing stepping motor, the steering driving piece is a steering stepping motor, and the steering stepping motor is in transmission connection with the steering shaft gear.

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