阅读说明：本技术 一种无人机桨叶组件及无人机机身组件 (Unmanned aerial vehicle paddle subassembly and unmanned aerial vehicle fuselage subassembly ) 是由 金国强 金祚顺 辛华翔 丁晓俐 于 2020-07-24 设计创作，主要内容包括：本发明公开了一种无人机桨叶组件,包括杆状结构的桨臂；驱动机座；安装在所述驱动机座上,且由旋转驱动装置驱动旋转的桨叶；所述驱动机座上方设置有第一调节管和第二调节管。本发明将每个桨叶设置成两块对称的桨叶本体,桨叶本体通过连接体转动连接在驱动机座的第二调节管上,正常使用时,两个桨叶本体成水平设置,驱动机座上的动力输出装置通过第一调节管和第二调节管带动两个桨叶本体做旋转运动,当降落着地时,第一滑块在第二滑槽中向下运动解除其对连接体的限位,两个连接体在弹簧的作用下向外运动,使得桨叶本体以及连接体绕第二调节管上的转动轴做旋转运动,至桨叶本体呈竖直设置,放置桨叶在降落到地面时与地面接触而损坏。(The invention discloses an unmanned aerial vehicle paddle assembly, which comprises a paddle arm with a rod-shaped structure; a drive base; the paddle is arranged on the driving base and driven to rotate by the rotary driving device; a first adjusting pipe and a second adjusting pipe are arranged above the driving base. When the landing is performed, the first sliding block moves downwards in the second sliding groove to relieve the limit of the connecting body, the two connecting bodies move outwards under the action of the spring, so that the paddle bodies and the connecting bodies rotate around the rotating shaft on the second adjusting pipe until the paddle bodies are vertically arranged, and the paddle bodies are placed to be in contact with the ground and damaged when the paddle lands on the ground.)

1. An unmanned aerial vehicle blade assembly comprising:

a paddle arm (1) of rod-like construction;

the driving base (3) is connected to one end of the paddle arm (1), and a rotary driving device is installed in the driving base (3);

the paddle (5) is arranged on the driving base (3) and is driven to rotate by a rotary driving device;

it is characterized in that the preparation method is characterized in that,

a first adjusting pipe (302) and a second adjusting pipe (304) with the upper end part inserted into the first adjusting pipe (302) and fixedly connected with the first adjusting pipe (302) are arranged above the driving base (3), the second adjusting pipe (304) is provided with two first sliding grooves (306) symmetrically arranged along the central axis thereof, the first sliding grooves (306) penetrate through the inner wall and the outer wall as well as the upper end surface and the lower end surface of the first adjusting pipe, two first sliding blocks (308) capable of being respectively inserted into the first sliding grooves (306) are arranged in the first adjusting pipe (302), and the first sliding blocks (308) are driven by a lifting mechanism to slide in the first sliding grooves (306);

each paddle (5) is provided with two paddle bodies (502) and a connecting body (504) fixed at one end of each paddle body (502), each connecting body (504) penetrates through the corresponding first sliding groove (306) and is rotatably connected into the corresponding second adjusting pipe (304), the free end of each connecting body (504) is in contact with the free end of each connecting body (504) when the corresponding first sliding block (308) is located at the top stroke of the corresponding first sliding groove (306), the connecting bodies are limited in the corresponding second adjusting pipes (304) through the corresponding first sliding blocks (308), when the corresponding first sliding blocks (308) are located at the bottom stroke of the corresponding first sliding grooves (306), the free ends of the connecting bodies (504) can pass through the corresponding first sliding grooves (306), and the free ends of two adjacent connecting bodies (504) are connected through springs (506).

2. The unmanned aerial vehicle paddle assembly of claim 1, wherein a limiting groove (508) is further formed in a side wall of the free end of the connecting body (504), the limiting groove (508) is communicated with the side wall and the bottom wall of the free end of the connecting body (504), a rotating block (510) is rotatably connected in the limiting groove (508), the rotating block (510) is limited by the side wall of the limiting groove (508) when being located in the limiting groove (508), the rotating block (510) is limited by the bottom wall of the limiting groove (508) when rotating out of the limiting groove (508) and forming an angle of 90 degrees with the limiting groove, and two ends of the spring (506) are respectively connected to the side walls of the two rotating blocks (510).

3. The unmanned aerial vehicle blade assembly of claim 2, wherein two vertical second sliding grooves (310) are formed in the first adjusting pipe (302), second sliding blocks (312) capable of sliding in the second sliding grooves (310) are formed in the second adjusting pipe, the two second sliding blocks (312) are fixedly connected with a horizontally arranged cross rod (314), and the bottom of the first sliding block (308) is fixed on the upper surface of the cross rod (314).

4. The drone blade assembly of claim 3, wherein the lifting mechanism is a cylinder that drives one of the cross bars (314) up and down.

5. The unmanned aerial vehicle blade assembly of claim 4, wherein the connecting body (504) comprises a first split body (512) arranged at an obtuse angle with the blade body (502), a second split body (514) fixed on the first split body (512) and arranged perpendicular to the first split body, and a third split body (516) connected to the second split body (514) and arranged at an obtuse angle with the second split body, the rotational connection between the connecting body (504) and the first sliding groove (306) is located at the connection between the first split body (512) and the second split body (514), and the limiting groove (508) and the rotating block (510) are located on the third split body (516).

6. An unmanned aerial vehicle fuselage assembly, characterized in that, includes unmanned aerial vehicle paddle subassembly and fuselage (7) of claim 1-5, unmanned aerial vehicle fuselage assembly is provided with at least three groups, be provided with linking bridge (702) on fuselage (7), oar arm (1) is connected on linking bridge (702).

Technical Field

The invention relates to an unmanned aerial vehicle paddle and a unmanned aerial vehicle body, and belongs to the field of unmanned aerial vehicles.

Background

In recent years, the unmanned aerial vehicle technology is rapidly developed, various types of unmanned aerial vehicles continuously emerge, and a multi-rotor unmanned aerial vehicle has the advantages of being flexible, light, capable of hovering, capable of taking off and landing at any place and the like, can be carried with detection equipment such as a visible light sensor, an infrared imager and a camera, can conveniently and quickly execute tasks such as reconnaissance and aerial photography, and is widely applied to the fields of public safety, electric power line patrol, traffic surveillance, fire fighting, ocean and water conservancy monitoring, military reconnaissance and the like.

The paddle is one of the important component parts of the unmanned aerial vehicle, and the commonly used materials of the paddle are wood, carbon fiber and nylon at present. Because the nylon oar cost is lower, do more accurate appearance easily, widely used in unmanned aerial vehicle. In the using process, the unmanned aerial vehicle is found to be in a normal landing or forced landing process, and the unmanned aerial vehicle is turned over due to unstable landing or other reasons, so that the blades are smashed on the ground and broken, and therefore the problem of falling resistance of the blades is urgently solved.

Disclosure of Invention

The invention aims to provide an unmanned aerial vehicle blade assembly for preventing blades from being broken due to the fact that an unmanned aerial vehicle is prevented from turning over.

In order to solve the above problems, the present invention provides an unmanned aerial vehicle blade assembly, comprising:

a paddle arm of rod-like construction;

the driving machine base is connected to one end of the paddle arm, and a rotary driving device is installed in the driving machine base;

the paddle is arranged on the driving base and driven to rotate by the rotary driving device;

it is characterized in that the preparation method is characterized in that,

a first adjusting pipe and a second adjusting pipe are arranged above the driving machine base, the upper end part of the second adjusting pipe is inserted into the first adjusting pipe and is fixedly connected with the first adjusting pipe, the second adjusting pipe is provided with two first sliding grooves which are symmetrically arranged along the central axis of the second adjusting pipe, the first sliding grooves penetrate through the inner wall and the outer wall of the second adjusting pipe and the upper end surface and the lower end surface of the second adjusting pipe, two first sliding blocks which can be respectively inserted into the first sliding grooves are arranged in the first adjusting pipe, and the first sliding blocks are driven by a lifting mechanism to slide in the first sliding grooves;

every the paddle is provided with two paddle bodies and fixes the connector in paddle body one end, the connector passes first spout and swivelling joint and is in the second is adjusted intraductal, the free end of connector is in first slider is located when the top stroke of first spout with the free end contact of connector, and by first slider is with it is spacing in the second is adjusted intraductal, works as first slider is located when the bottom stroke of first spout, the free end of connector can pass through first spout, and two adjacent the free end of connector passes through spring coupling.

As a further improvement of the invention, a limiting groove is further arranged on the side wall of the free end of the connecting body, the limiting groove is communicated with the side wall and the bottom wall of the free end of the connecting body, a rotating block is rotatably connected in the limiting groove, the rotating block is limited by the side wall of the limiting groove when being positioned in the limiting groove, the rotating block is limited by the bottom wall of the limiting groove when rotating out of the limiting groove and forming an angle of 90 degrees with the limiting groove, and two ends of the spring are respectively connected to the side walls of the two rotating blocks.

As a further improvement of the invention, two vertical second sliding grooves are arranged in the first adjusting pipe, second sliding blocks capable of sliding in the second sliding grooves are arranged in the second sliding grooves, the two second sliding blocks are fixedly connected with a horizontally arranged cross bar, and the bottom of the first sliding block is fixed on the upper surface of the cross bar.

As a further improvement of the invention, the lifting mechanism is an air cylinder for driving the cross rod to lift.

As a further improvement of the invention, the connecting body comprises a first split body arranged at an obtuse angle with the blade body, a second split body fixed on the first split body and arranged perpendicular to the first split body, and a third split body connected to the second split body and arranged at an obtuse angle with the second split body, the rotating connection position of the connecting body and the first sliding groove is located at the connection position of the first split body and the second split body, and the limiting groove and the rotating block are located on the third split body.

An unmanned aerial vehicle fuselage assembly, comprising the unmanned aerial vehicle paddle assembly of claim and a fuselage, the unmanned aerial vehicle fuselage assembly being provided with at least three sets, the fuselage being provided with a linking bridge on which the paddle arm is connected.

The invention has the beneficial effects that each blade is arranged into two symmetrical blade bodies, the blade bodies are rotatably connected to the second adjusting pipe of the driving base through the connecting body, when the driving base is normally used, the two blade bodies are horizontally arranged, the power output device on the driving base drives the two blade bodies to rotate through the first adjusting pipe and the second adjusting pipe, when the driving base lands, the first sliding block moves downwards in the second sliding groove to relieve the limit of the first sliding block on the connecting body, the two connecting bodies move outwards under the action of the spring, so that the blade bodies and the connecting bodies rotate around the rotating shaft on the second adjusting pipe until the blade bodies are vertically arranged, and the blades are placed to be in contact with the ground and damaged when the blades land on the ground.

Drawings

Fig. 1 is a schematic structural view of the fuselage assembly of the drone of the present invention;

FIG. 2 is a schematic view of the blade in a horizontal position;

FIG. 3 is a schematic structural view of the blade in an upright position;

in the figure: 1-paddle arm; 3-driving the engine base; 302-a first conditioning tube; 304-a second conditioning tube; 306-a first runner; 308-a first slider; 310-a second runner; 312-a second slider; 314-a crossbar; 5-a blade; 502-a blade body; 504-a linker; 506-a spring; 508-a limit groove; 510-a turning block; 512-first split; 514-a second body; 516-third division; 7-a fuselage; 702-connecting the stent.

Detailed Description

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.

As shown in fig. 1-3, the present invention comprises:

a paddle arm 1 of rod-like construction;

the driving machine base 3 is connected to one end of the paddle arm 1, and a rotary driving device is installed in the driving machine base 3;

a paddle 5 which is arranged on the driving base 3 and is driven to rotate by a rotary driving device;

it is characterized in that the preparation method is characterized in that,

a first adjusting pipe 302 and a second adjusting pipe 304, the upper end portion of which is inserted into the first adjusting pipe 302 and is fixedly connected with the first adjusting pipe 302, are arranged above the driving base 3, the second adjusting pipe 304 is provided with two first sliding grooves 306 symmetrically arranged along the central axis thereof, the first sliding grooves 306 penetrate through the inner wall and the outer wall thereof and the upper end surface and the lower end surface, two first sliding blocks 308 capable of being respectively inserted into the first sliding grooves 306 are arranged in the first adjusting pipe 302, and the first sliding blocks 308 are driven by a lifting mechanism to slide in the first sliding grooves 306;

each blade 5 is provided with two blade bodies 502 and a connecting body 504 fixed at one end of each blade body 502, each connecting body 504 passes through the corresponding first sliding groove 306 and is rotatably connected in the corresponding second adjusting pipe 304, the free end of each connecting body 504 is in contact with the free end of each connecting body 504 when the corresponding first sliding block 308 is located at the top stroke of the corresponding first sliding groove 306, the connecting bodies are limited in the corresponding second adjusting pipes 304 by the corresponding first sliding blocks 308, when the corresponding first sliding blocks 308 are located at the bottom stroke of the corresponding first sliding grooves 306, the free ends of the connecting bodies 504 can pass through the corresponding first sliding grooves 306, and the free ends of two adjacent connecting bodies 504 are connected through springs 506.

As a further improvement of the present invention, a limiting groove 508 is further disposed on a sidewall of the free end of the connecting body 504, the limiting groove 508 is communicated with a sidewall and a bottom wall of the free end of the connecting body 504, a rotating block 510 is rotatably connected in the limiting groove 508, the rotating block 510 is limited by the sidewall of the limiting groove 508 when being located in the limiting groove 508, the rotating block 510 is limited by a bottom wall of the limiting groove 508 when rotating out of the limiting groove 508 and forming an angle of 90 ° with the limiting groove 508, and two ends of the spring 506 are respectively connected to the sidewalls of the two rotating blocks 510.

As a further improvement of the present invention, two vertical second sliding grooves 310 are disposed in the first adjusting tube 302, a second sliding block 312 capable of sliding in the second sliding grooves 310 is disposed in the second sliding grooves 310, the two second sliding blocks 312 are fixedly connected to a horizontally disposed cross bar 314, and the bottom of the first sliding block 308 is fixed on the upper surface of the cross bar 314.

As a further improvement of the present invention, the lifting mechanism is a cylinder driving the cross bar 314 to lift.

As a further improvement of the present invention, the connecting body 504 includes a first sub-body 512 disposed at an obtuse angle with respect to the blade body 502, a second sub-body 514 fixed to the first sub-body 512 and disposed perpendicular thereto, and a third sub-body 516 connected to the second sub-body 514 and disposed at an obtuse angle therewith, the rotational connection position of the connecting body 504 and the first sliding groove 306 is located at the connection position of the first sub-body 512 and the second sub-body 514, and the limiting groove 508 and the rotating block 510 are located on the third sub-body 516.

An unmanned aerial vehicle fuselage 7 assembly, characterized by, including claim-unmanned aerial vehicle paddle 5 assembly and fuselage 7, unmanned aerial vehicle fuselage 7 assembly is provided with at least three groups, be provided with linking bridge 702 on fuselage 7, oar arm 1 connects on linking bridge 702.

The specific principle of the invention is as follows:

(1) during normal use, the cylinder drives the cross rod 314 to move upwards, so that the first sliding block 308 is on the top stroke of the first sliding groove 306, at the moment, the side surface of the first sliding block 308 is in contact with the third split 516 on the connecting body 504 and limits the third split 516 in the second adjusting pipe 304, meanwhile, the spring 506 compresses, deforms and stores the force of the spring 506, at the moment, the two blade bodies 502 are horizontally arranged, and the power output device on the driving base 3 drives the two blade bodies 502 to rotate through the first adjusting pipe 302 and the second adjusting pipe 304;

(2) when unmanned aerial vehicle descends, the cylinder drives horizontal pole 314 downstream, make first slider 308 be located its bottom stroke of playing, at this moment, third components of a whole that can function independently 516 on the connector 504 loses the limiting displacement of first slider 308, spring 506 releases spring 506 power and makes the connector 504 outwards strut, connector 504 is rotary motion around the pivot in the second regulating tube 304, thereby make 5 components of a whole that can function independently of paddle rotate to vertical position just, this vertical position is realized by turning block 510 and spacing groove 508, because spacing groove 508 has the spacing of two positions to turning block 510, when the lateral wall contact of turning block 510 and spacing groove 508, 5 components of a whole that can function independently of paddle was horizontal setting this moment, when the top wall contact of turning block 510 and spacing groove 508, paddle 5 is vertical setting.

The technical principle of the present invention is described above in connection with specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive effort, which would fall within the scope of the present invention.