CN215514093U

CN215514093U - Unmanned aerial vehicle undercarriage with automatic folding function

Info

Publication number: CN215514093U
Application number: CN202121415746.0U
Authority: CN
Inventors: 马学志
Original assignee: Zhiyang Tianjin Aviation Technology Co ltd
Current assignee: Zhiyang Tianjin Aviation Technology Co ltd
Priority date: 2021-06-24
Filing date: 2021-06-24
Publication date: 2022-01-14
Anticipated expiration: 2031-06-24

Abstract

The utility model discloses an unmanned aerial vehicle undercarriage with an automatic folding function, which comprises a shell, wherein four sides of the shell are respectively provided with four supporting arms, and the tops of the four supporting arms are respectively provided with a first motor through a motor shell; two box bodies are arranged on the front side and the rear side of the shell, mounting grooves are formed in the side walls of the box bodies, which are far away from one side of the shell, a second motor is mounted on the side wall of the box body, which is positioned at the tail end of one side of the mounting groove, a speed reducer is arranged at the output shaft end of the second motor, and a lead screw is connected to the output shaft end of the speed reducer; four backup pads are all installed in casing bottom four corners, all have the U template through pivot swing joint in the backup pad, and the undercarriage is installed to U template bottom, is equipped with the second pivot on the undercarriage, and the inside movable sleeve of second pivot is equipped with the second connecting rod. Make this unmanned aerial vehicle undercarriage with automatic folding function, can effectual automatic folding undercarriage, reduce the influence of unmanned aerial vehicle undercarriage to the equipment of carry, increase the mobility of undercarriage.

Description

Unmanned aerial vehicle undercarriage with automatic folding function

Technical Field

The utility model relates to the technical field of unmanned aerial vehicles, in particular to an unmanned aerial vehicle undercarriage with an automatic folding function.

Background

With the progress of society, the development of science and technology, unmanned aerial vehicle technique is more and more mature, is widely applied to multiple trade, includes: aerial photography, agriculture, plant protection, miniature autodyne, disaster rescue search etc. unmanned aerial vehicle need mount multiple equipment when using, like camera, atomizer, fertilization sprinkler etc..

Traditional for supporting unmanned aerial vehicle, most unmanned aerial vehicle opportunity sets up various undercarriage, and the unmanned aerial vehicle undercarriage on the existing market is comparatively fixed, exists the hindrance to the operation of some carry equipment, especially camera or sprinkler, and fixed undercarriage blocks its normal operation, reduces work quality. Therefore, we propose an unmanned aerial vehicle landing gear with an automatic folding function.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an unmanned aerial vehicle undercarriage with an automatic folding function, and aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

an unmanned aerial vehicle undercarriage with an automatic folding function is designed, and comprises a shell, wherein four support arms are arranged on four sides of the shell, a first motor is mounted at the tops of the four support arms through a motor shell, an output shaft of the first motor extends to the outside of the motor shell, a propeller is mounted at the end of the output shaft of the first motor, a storage battery is arranged at the bottom of the inner side of the shell, a wireless receiving module is mounted at the top of the inner side of the shell, a processing module is connected to the top of the inner side of the shell beside the wireless receiving module, and a controller is mounted at the top of the inner side of the shell far away from one side of the wireless receiving module;

the side walls of the front side and the rear side of the shell are respectively provided with two box bodies, the side wall of the box body far away from one side of the shell is provided with a mounting groove, the side wall of the box body at the tail end of one side of the mounting groove is provided with a second motor, the second motor extends into the mounting groove, the output shaft end of the second motor is provided with a speed reducer, the output shaft end of the speed reducer is connected with a lead screw, the lead screw penetrates through the side wall of the box body and is arranged, the lead screw is provided with a sliding block, the sliding block extends to the outside of the mounting groove, the side wall of the sliding block positioned outside the mounting groove is connected with a mounting block, the mounting block is connected with a first rotating shaft, and a first connecting rod is sleeved in the first rotating shaft;

four backup pads are all installed in casing bottom four corners, all there is the U template through pivot swing joint in the backup pad, the undercarriage is installed to U template bottom, be equipped with the second pivot on the undercarriage, the inside movable sleeve of second pivot is equipped with the second connecting rod, be connected through elastic connection spare between second connecting rod and the head rod.

Preferably, the height of the mounting groove is greater than that of the sliding block.

Preferably, a ball bearing is installed at the joint between the screw rod and the box body.

Preferably, the height of the two support plates on the left side is smaller than the height of the two support plates on the right side.

Preferably, the length of the landing gear on the left side is greater than the length of the landing gear on the right side.

Compared with the prior art, the utility model has the beneficial effects that: this unmanned aerial vehicle undercarriage with automatic folding function, through setting up the second motor, the lead screw, the slider, the installation piece, the head rod, the second connecting rod, can move on the lead screw through second motor drive slider, and then drive the installation piece and remove, through the pulling or promote the head rod, the second connecting rod, pull back folding or release expansion with the undercarriage, reach the effect of automatic folding unmanned aerial vehicle undercarriage, make this unmanned aerial vehicle undercarriage that has automatic folding function, can effectual automatic folding undercarriage, reduce the influence of unmanned aerial vehicle undercarriage to the carry equipment, increase the activity of undercarriage.

Drawings

Fig. 1 is a front view of a structure of an unmanned aerial vehicle landing gear with an automatic folding function, which is provided by the utility model;

fig. 2 is a structural rear view of an unmanned aerial vehicle undercarriage with an automatic folding function according to the present invention;

FIG. 3 is a side cross-sectional view of the structure of an unmanned aerial vehicle landing gear with an automatic folding function according to the present invention;

fig. 4 is a schematic perspective view of a sliding block structure of an unmanned aerial vehicle landing gear with an automatic folding function according to the present invention.

In the figure: the device comprises a shell 1, a supporting arm 2, a motor shell 3, a first motor 4, a propeller 5, a box body 6, a mounting groove 7, a second motor 8, a speed reducer 9, a screw rod 10, a ball bearing 11, a sliding block 12, a mounting block 13, a first rotating shaft 14, a first connecting rod 15, a supporting plate 16, a shaft pin 17, a U-shaped plate 18, an undercarriage 19, a second rotating shaft 20, a second connecting rod 21, an elastic connecting piece 22, a storage battery 23, a wireless receiving module 24, a processing module 25 and a controller 26.

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.

Referring to fig. 1-4, the present invention provides a technical solution: an unmanned aerial vehicle landing gear with an automatic folding function comprises a shell 1, four sides of the shell 1 are respectively provided with four supporting arms 2, the supporting arms 2 extend the area of the unmanned aerial vehicle, not only can support and fix a first motor 4, but also can enlarge the wind field area for the unmanned aerial vehicle to work, the tops of the four supporting arms 2 are respectively provided with the first motor 4 through a motor shell 3, the first motor 4 is a forward rotation motor, a wiring end of the first motor 4 is externally connected with a storage battery 23 and a controller 26 through a lead, the controller 26 is a PWM (pulse width modulation) controller, the start and stop of the first motor 4 are controlled through the PWM controller 26, an output shaft of the first motor 4 extends to the outside of the motor shell 3, the motor shell 3 can seal and fix the motor, the water in the first motor 4 is effectively prevented from entering the inside, the first motor 4 is damaged, a propeller 5 is arranged at the end head of the output shaft of the first motor 4, the bottom of the inner side of the shell 1 is provided with the storage battery 23, wireless receiving module 24 is installed at 1 inboard top of casing, 1 inboard top of casing that is located wireless receiving module 24 next door is connected with processing module 25, keep away from 1 inboard top of casing of 24 one sides of wireless receiving module and install controller 26, first motor 4, battery 23, wireless receiving module 24, processing module 25, equal electrical connection between the controller 26, give wireless receiving module 24 with control signal transmission through wireless remote controller, give processing module 25 after wireless receiving module 24 receives, give controller 26 after handling through processing module 25, open through the first motor 4 of controller 26 control, first motor 4 passes through motor shaft drive screw 5 high-speed rotatory, produce down air current wind field through four high-speed rotatory screws 5, take off unmanned aerial vehicle.

Two box bodies 6 are arranged on the side walls of the front side and the rear side of the shell 1, the exposure of a second motor 8 and a screw rod 10 can be reduced by arranging the box bodies 6, the dust pollution is reduced, the service life of the motor is prolonged, mounting grooves 7 are arranged on the side walls of the box bodies 6 far away from one side of the shell 1, the second motor 8 is arranged on the side wall of the box body 6 positioned at the tail end of one side of the mounting groove 7, the second motor 8 is a forward and reverse rotation speed reducing motor, a wiring terminal of the second motor 8 is externally connected with a storage battery 23 and a controller 26 through a wire, the controller 26 is a PWM controller, the start and stop of the second motor 8 are controlled by the PWM controller 26, the second motor 8 extends into the mounting groove 7, the output shaft end of the second motor 8 is provided with a speed reducer 9, the output shaft end of the speed reducer 9 is connected with a screw rod 10, the screw rod 10 penetrates through the side wall of the box body 6, a sliding block 12 is mounted on the screw rod 10, and the sliding block 12 extends to the outside of the mounting groove 7; a sliding block 12 is installed on the screw rod 10 through threads, the screw rod 10 is driven to rotate through a second motor 8, the fixed sliding block 12 is moved back and forth on the screw rod 10 by utilizing the screw rod principle, an installation block 13 is connected on the side wall of the sliding block 12 positioned outside the installation groove 7, a first rotating shaft 14 is connected on the installation block 13, a first connecting rod 15 is sleeved inside the first rotating shaft 14, the second motor 8, a storage battery 23, a wireless receiving module 24, a processing module 25 and a controller 26 are electrically connected, a control signal is transmitted to the wireless receiving module 24 through a wireless remote controller, the wireless receiving module 24 transmits the control signal to the processing module 25 after receiving the control signal, the control module 25 transmits the control signal to the controller 26, the controller 26 controls the second motor 8 to rotate forward and backward, the second motor 8 rotates slowly under the action of a speed reducer 9, the screw rod 10 is driven to rotate slowly, and the sliding block 12 fixed through threads on the screw rod 10 moves forward or backward, and then the mounting block 13 is driven to move forward or backward, and the landing gear 19 is folded backward or unfolded forward by combining the first connecting rod 15 and the second connecting rod 21.

Four supporting plates 16 are respectively arranged at four corners of the bottom of the shell 1, U-shaped plates 18 are movably connected to the supporting plates 16 through shaft pins 17, and undercarriage 19 is arranged at the bottoms of the U-shaped plates 18;

the opening of the U-shaped plate 18 is buckled on the supporting plate 16, a shaft pin 17 penetrates into the opening, the shaft pin plug-in is fixed, the U-shaped plate can be rotated and moved on the supporting plate 16 by the shaft pin 17, and then the undercarriage 19 at the bottom of the U-shaped plate 18 is driven to be folded or unfolded.

Be equipped with second pivot 20 on the undercarriage 19, the inside activity cover of second pivot 20 is equipped with second connecting rod 21, is connected through elastic connection spare 22 between second connecting rod 21 and the head rod 15, and elastic connection spare 22 is connected head rod 15 and second connecting rod 21, and when unmanned aerial vehicle fell to the ground, elastic connection spare 22 can cushion unmanned aerial vehicle, plays absorbing effect.

Specifically, this unmanned aerial vehicle undercarriage with automatic folding function in-process of using:

firstly, mounting equipment on a mounting platform at the bottom of an unmanned aerial vehicle, starting a first motor 4 through a wireless remote controller, and driving a propeller 5 to rotate at a high speed through the first motor 4 so as to fly the unmanned aerial vehicle;

then, the second motor 8 is started to rotate forwards slowly under the action of the speed reducer 9 through the wireless remote controller, the screw rod 10 is driven to rotate forwards slowly, the slide block 12 is driven to rotate backwards, the mounting block 13 is pulled backwards, the longer undercarriage 19 is pulled back and folded through the first connecting rod 15 and the second connecting rod 21, and the shorter undercarriage 19 is pulled back and folded in sequence;

finally, when unmanned aerial vehicle need descend and land to the ground, through wireless remote controller with the slow reversal of second motor 8, and then drive slider 12 reversal and advance, release installation piece 13 towards the direction that deviates from second motor 8, and then release the expansion with shorter undercarriage 19 through first connecting rod 15 and second connecting rod 21, it can to release the expansion with longer undercarriage 19 again in proper order, make this unmanned aerial vehicle undercarriage that has automatic folding function, can effectual automatic folding undercarriage, reduce the influence of unmanned aerial vehicle undercarriage to the equipment of mounting, increase the activity of undercarriage.

Further, the height of the mounting groove 7 is greater than the height of the slider 12, so that the slider 12 can slide inside the mounting groove 7.

Further, a ball bearing 11 is installed at the joint between the screw rod 10 and the box body 6, and the ball bearing 11 has small frictional resistance and can effectively support the rotation of the screw rod 10.

Further, the height of the two left supporting plates 16 is smaller than that of the two right supporting plates 16, and the supporting plates 16 are different in height, so that the height of the undercarriage 19 at the bottom is different, the undercarriage 19 which is short is folded first, and then the undercarriage 19 which is long is folded, and the problem that the undercarriage 19 which is consistent in length is poor in folding effect and not compact is avoided.

Further, the length of the left landing gear 19 is greater than the length of the right landing gear 19.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An unmanned aerial vehicle undercarriage with automatic folding function, includes casing (1), its characterized in that: four support arms (2) are arranged on four sides of the shell (1), a first motor (4) is mounted at the tops of the four support arms (2) through a motor shell (3), an output shaft of the first motor (4) extends to the outside of the motor shell (3) and is arranged, a propeller (5) is mounted at the end of the output shaft of the first motor (4), a storage battery (23) is arranged at the bottom of the inner side of the shell (1), a wireless receiving module (24) is mounted at the top of the inner side of the shell (1), a processing module (25) is connected to the top of the inner side of the shell (1) beside the wireless receiving module (24), and a controller (26) is mounted at the top of the inner side of the shell (1) on one side far away from the wireless receiving module (24);

the side walls of the front side and the rear side of the shell (1) are respectively provided with two box bodies (6), the side wall of the box body (6) far away from one side of the shell (1) is respectively provided with a mounting groove (7), the side wall of the box body (6) positioned at the tail end of one side of the mounting groove (7) is provided with a second motor (8), the second motor (8) extends into the mounting groove (7), the output shaft end of the second motor (8) is provided with a speed reducer (9), the output shaft end of the speed reducer (9) is connected with a screw rod (10), the screw rod (10) penetrates through the side wall of the box body (6) and is arranged, the screw rod (10) is provided with a slide block (12), the slide block (12) extends to the outside of the mounting groove (7), the side wall of the slide block (12) positioned outside the mounting groove (7) is connected with a mounting block (13), the mounting block (13) is connected with a first rotating shaft (14), a first connecting rod (15) is sleeved in the first rotating shaft (14);

four backup pads (16) are all installed in casing (1) bottom four corners, all there are U template (18) through pivot (17) swing joint on backup pad (16), undercarriage (19) are installed to U template (18) bottom, be equipped with second pivot (20) on undercarriage (19), the inside movable sleeve of second pivot (20) is equipped with second connecting rod (21), be connected through elastic connection spare (22) between second connecting rod (21) and head rod (15).

2. The unmanned aerial vehicle landing gear with automatic folding function of claim 1, wherein: the height of the mounting groove (7) is greater than that of the sliding block (12).

3. The unmanned aerial vehicle landing gear with automatic folding function of claim 1, wherein: and a ball bearing (11) is arranged at the joint between the screw rod (10) and the box body (6).

4. The unmanned aerial vehicle landing gear with automatic folding function of claim 1, wherein: the height of the two support plates (16) on the left side is smaller than the height of the two support plates (16) on the right side.

5. The unmanned aerial vehicle landing gear with automatic folding function of claim 1, wherein: the length of the landing gear (19) on the left side is greater than the length of the landing gear (19) on the right side.