A fixing mechanism of a duct mounting beam and a UAV

Abstract

The application discloses a fixing mechanism of a duct mounting beam and a UAV, and is convenient for adjusting the distance and deflection between the duct and the body. The fixing mechanism comprises a first mounting seat, the first mounting seat comprises a fastening part, a fastener and a mounting part fixed relative to the fastening part, the fastening part is provided with a first hole for sleeving the duct mounting beam, the fastener is used for fixedly connecting the fastening part and the duct mounting beam, and the mounting part is provided with a mounting position; a second mounting seat sleeved with the first mounting seat, the second mounting seat comprises two body mounting beams oppositely arranged, the body mounting beams are used for detachably connecting with the body of the UAV, a first connecting part and a second connecting part mounted between the two body mounting beams, and the first connecting part and the second connecting part are arranged in the length direction of the body mounting beam and are spaced apart, wherein the first connecting part is sleeved with the mounting part and is fixedly mounted on the mounting position, and the second connecting part is used for fixedly connecting with the duct mounting beam.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of unmanned aerial vehicle, in particular to a duct mounting beam fixing mechanism and unmanned aerial vehicle. BACKGROUND

[0002] The general classification of unmanned aerial vehicles includes three categories: rotary-wing unmanned aerial vehicles, unmanned helicopter and fixed-wing unmanned aerial vehicles. In addition to the three categories, there is another type of unmanned aerial vehicle, which is a ducted unmanned aerial vehicle.

[0003] The ducted unmanned aerial vehicle uses a duct fan propulsion unit as a propulsion component of the unmanned aerial vehicle platform. Compared with the open propeller, the ducted unmanned aerial vehicle has the unique advantages of small size, large thrust, good safety and low noise. As a key part of connecting the body and the duct, the duct mounting beam needs to be conveniently and flexibly adjusted in distance and deflection between the duct and the body. SUMMARY

[0004] The present application aims to provide a duct mounting beam fixing mechanism and unmanned aerial vehicle to solve the problems existing in the prior art. The technical problems to be solved by the present application are solved by the following technical solutions.

[0005] The duct mounting beam fixing mechanism provided by the present application comprises:

[0006] The first mounting seat comprises a fastening part, a fastener and a mounting part fixed relative to the fastening part. The fastening part is provided with a first hole for sleeving the duct mounting beam. The fastener is used to fixedly connect the fastening part and the duct mounting beam. The mounting part is provided with a mounting position.

[0007] The second mounting seat sleeved on the first mounting seat comprises two body mounting beams arranged opposite to each other, a first connecting part and a second connecting part mounted between the two body mounting beams. The first connecting part and the second connecting part are arranged in the length direction of the body mounting beam. The first connecting part is sleeved on the mounting part and fixedly mounted on the mounting position. The second connecting part is used to fixedly connect with the duct mounting beam.

[0008] In some optional embodiments, the fastening part is a one-side opening hoop structure.

[0009] In some optional embodiments, the mounting part is fixedly connected with one end of the fastening part along the axis direction of the first hole.

[0010] In some optional embodiments, the mounting part has a second hole allowing the duct mounting beam to pass through and at least one mounting ear forming the mounting position.

[0011] In some optional embodiments, the first connecting part comprises two first hoop plates arranged oppositely, each of the first hoop plates has two first wing plates, the two first wing plates are connected with the two body mounting beams respectively, each of the first wing plates is provided with a first mounting hole, the shape of an opening surrounded by the two first hoop plates and the four first wing plates is the same as the shape of the mounting part, and each of the mounting parts is provided with a second mounting hole matched with the first mounting hole.

[0012] In some optional embodiments, the second connecting part comprises two second hoop plates arranged oppositely, each of the second hoop plates has two second wing plates, the two second wing plates are connected with the two body mounting beams respectively, the two second hoop plates surround a third hole for the passage of the duct mounting beam, and the second wing plates are fixedly connected with each other to adjust the diameter of the third hole, so that the second connecting part is fixedly connected with the duct mounting beam.

[0013] In some optional embodiments, the first connecting part further comprises a first connecting block for connecting two first wing plates located on the same side, and / or,

[0014] the second connecting part further comprises a second connecting block for connecting two second wing plates located on the same side.

[0015] In some optional embodiments, the body mounting beam comprises a first plate and a second plate arranged oppositely, a side plate connecting the first plate and the second plate, the first plate, the second plate and the side plate surround an I-shaped structure, and the first plate and the second plate are provided with third mounting holes for connecting with the body.

[0016] In some optional embodiments, the side plate is provided with a weight-reducing through hole.

[0017] The application further provides an unmanned aerial vehicle, comprising a body, a duct and a duct mounting beam, wherein one end of the duct mounting beam is provided with a duct seat for mounting the duct, and further comprising the fixing mechanism of the duct mounting beam according to any one of the above.

[0018] Compared with the prior art, the application at least has the following technical effects:

[0019] 1. By adjusting the relative position and angle of the first mounting seat and the duct seat, the distance and deflection between the duct and the body can be adjusted.

[0020] 2. Through the setting of the fastening part of the clamp structure, the fastening part is convenient to install with the duct installation beam and convenient to adjust the distance and angle between the fastening part and the duct seat;

[0021] 3. Through the structural design of the first connecting part and the second connecting part, the second installation seat is convenient to fix, disassemble and install relative to the first installation seat and the duct installation beam;

[0022] 4. Through the setting of the I-shaped machine body installation beam, the overall weight and volume of the second installation seat are simplified, and the structure is stable.

[0023] 5. The duct installation beam is convenient to disassemble and connect with the machine body of the unmanned aerial vehicle, and when the duct installation beam is disassembled, the duct can be disassembled together. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 The fixing mechanism of the duct installation beam provided by the present application is combined with the structure diagram of the duct installation beam;

[0025] Figure 2 The structure diagram of the first installation seat provided by the present application;

[0026] Figure 3 The structure diagram of the machine body installation beam provided by the present application;

[0027] Figure 4 The structure diagram of the first connecting part provided by the present application;

[0028] Figure 5 The structure diagram of the second connecting part provided by the present application;

[0029] Figure 6 The partial structure diagram of the unmanned aerial vehicle provided by the present application.

[0030] The reference signs in the drawings are as follows:

[0031] 1-first installation seat

[0032] 11-fastening part 111-first hole

[0033] 12-installation part 121-second hole 122-mounting ear 1221-second installation hole

[0034] 2-duct installation beam

[0035] 3-second installation seat

[0036] 31-machine body installation beam 311-first plate 312-second plate 313-side plate 3131-weight reduction through hole 3132-first connecting hole 314-third installation hole

[0037] 32 - first connecting part 321 - first hoop plate 322 - first wing plate 3221 - first mounting hole 323 - mouth 324 - first connecting block 325 - avoiding surface

[0038] 33 - second connecting part 331 - second hoop plate 332 - second wing plate 333 - third hole 334 - second connecting block

[0039] 34 - second connecting hole

[0040] 35 - third connecting hole

[0041] 4 - duct seat

[0042] 5 - body

[0043] 6 - duct

[0044] 7 - fixing mechanism of duct mounting beam. DETAILED DESCRIPTION

[0045] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0046] The duct mounting beam is used to connect the body and the duct. Generally, one end of the duct mounting beam is fixedly provided with a duct seat, the duct seat is used to mount the duct, and the other end of the duct is used to connect the body of the unmanned aerial vehicle. The present application provides a fixing mechanism for fixedly connecting the body and the duct mounting beam. When it is necessary to adjust the distance and deflection between the duct and the unmanned aerial vehicle, it is only necessary to adjust the distance and angle between the first mounting seat and the duct seat in the fixing mechanism.

[0047] As shown in Figure 1 , Figure 3 The fixing mechanism of the duct mounting beam provided by the present application comprises:

[0048] The first mounting seat 1 comprises a fastening part 11, a fastener and a mounting part 12 fixed relative to the fastening part 11. The fastening part 11 is provided with a first hole 111 for sleeving the duct mounting beam 2. The fastener is used to fixedly connect the fastening part 11 and the duct mounting beam 2. The mounting part 12 is further provided with a mounting position.

[0049] The second mounting base 3 is sleeved on the first mounting base 1, and the second mounting base 3 comprises: two body mounting beams 31 oppositely arranged and used for detachable connection with the body 5 of the unmanned aerial vehicle, a first connecting part 32 and a second connecting part 33 mounted between the two body mounting beams 31 and spaced along the length direction of the body mounting beam 31, wherein: the first connecting part 32 is sleeved on the mounting part 12 and fixedly mounted on the mounting position; and the second connecting part 33 is used for fixed connection with the duct mounting beam 2 (generally, one end of the duct mounting beam is provided with a duct seat, and the second connecting part is generally fixedly connected with the other end of the duct mounting beam).

[0050] The fixing mechanism of the duct mounting beam provided by the application is used in cooperation with the unmanned aerial vehicle, the duct is fixed on the duct seat 4 provided at one end of the duct mounting beam 2, the two body mounting beams 31 of the second mounting base 3 are used for connection with the body 5 of the unmanned aerial vehicle, if it is necessary to adjust the distance and deflection of the duct from the body 5, it is only necessary to adjust the distance and angle between the fastening part 11 of the first mounting base 1 and the duct seat 4 to meet the set requirements, after adjustment, the fastening part 11 is fixed with the duct mounting beam 2 by using the fastener, at this time, the distance and angle between the mounting position of the mounting part 12 and the duct seat 4 are fixed, the first connecting part 32 of the second mounting base 3 is fixed on the mounting position of the mounting part 12 of the first mounting base 1, at this time, after the two body mounting beams 31 of the second mounting base 3 are connected with the body 5 of the unmanned aerial vehicle, the distance and deflection of the body 5 from the duct meet the requirements.

[0051] It can be seen that, by adjusting the relative position and angle between the first mounting base 1 and the duct seat, the distance and deflection between the duct and the body 5 can be adjusted, the adjustment and mounting are relatively convenient, and the structure is simple. In addition, since the body mounting beam 31 is detachably connected with the body 5 of the unmanned aerial vehicle, the duct mounting beam 2 can be detached together with the duct.

[0052] The detachable connection between the body mounting beam 31 and the body 5 of the unmanned aerial vehicle can be in various modes, for example, clamping connection, screw or bolt connection, etc.

[0053] The specific structure of the above fastening part 11 can be various, in an optional embodiment, the fastening part 11 is in a cylindrical structure, a first adjusting hole is arranged on the peripheral wall of the cylinder, the fastening part 11 is fixed with the duct mounting beam 2 by passing the fastener (which can be a screw) through the adjusting hole and abutting against the duct mounting beam 2, or a plurality of second adjusting holes are arranged on the duct mounting beam 2, the fastening part 11 is fixed with the duct mounting beam 2 by passing the screw through the first adjusting hole and the second adjusting hole.

[0054] In another optional embodiment, the fastening part 11 is a clamp structure with an opening on one side. By locking the opening of the clamp structure with fasteners, the fastening part 11 is fixedly connected to the culvert installation beam 2. This structure is convenient to adjust and connect, and has a simple structure.

[0055] The specific structure of the aforementioned fasteners can also vary, including screws, locating pins, etc., which will not be elaborated here.

[0056] like Figure 2 As shown, the specific structure of the body mounting beam 31 provided by the present invention can be varied. In one optional embodiment, the body mounting beam 31 includes: a first plate 311 and a second plate 312 disposed opposite to each other, and a side plate 313 connecting the first plate 311 and the second plate 312. The first plate 311, the second plate 312, and the side plate 313 form an I-beam structure. The first plate 311 and the second plate 312 are provided with third mounting holes 314 for connecting with the body 5. The third mounting holes 314 allow the body 5 and the body mounting beam 31 to be connected by screws or bolts.

[0057] In order to reduce the overall weight of the mounting beam 31 and reduce the load on the UAV, a weight reduction through hole 3131 is provided on the side plate 313.

[0058] The mounting part 12 and the fastening part 11 can be an integral structure or a separate structure. The position of the mounting part 12 fixed to the fastening part 11 is not limited. It can be located at any position in the diameter direction of the first hole 111 of the fastening part 11, that is, the fastening part 11 extends along the diameter direction of the first hole 111 and the fastening part 11 is not connected to the duct mounting beam 2; the mounting part 12 can also be fixedly connected to one end of the fastening part 11 along the axial direction of the first hole 111.

[0059] like Figure 3 As shown, in one embodiment of the present invention, the mounting part 12 is fixedly connected to one end of the fastening part 11. The mounting part 12 has a second hole 121 that allows the duct mounting beam 2 to pass through and at least one mounting ear 122, the mounting ear 122 forming a mounting position. At this time, the mounting part 12 accommodates the duct mounting beam 2 through the second hole 121.

[0060] To facilitate the mating of the first connecting part 32 and the mounting part 12, such as Figure 4As shown, the first connecting part 32 comprises two first hoop plates 321 arranged oppositely, each of the first hoop plates 321 has two first wing plates 322 connected with the two body mounting beams 31 respectively, each of the first wing plates 322 is provided with a first mounting hole 3221, the shape of a mouth 323 surrounded by the two first hoop plates 321 and the four first wing plates 322 is the same as that of the mounting part 12, and each mounting position of the mounting part 12 is provided with a second mounting hole 1221 matched with the first mounting hole 3221. When the first connecting part 32 is connected with the mounting part 12, the mounting part 12 is embedded in the mouth 323 of the first connecting part 32, and the first connecting part 32 is connected with the mounting part 12 through the cooperation of the first mounting hole 3221 on the first wing plate 322 and the second mounting hole 1221 on the mounting position, so that the first connecting part 32 is fixed relative to the mounting part 12.

[0061] As shown in the drawings, Figure 4 In order to prevent the fixing mechanism of the duct mounting beam from interfering with other components on the unmanned aerial vehicle when cooperating with the unmanned aerial vehicle, the first hoop plate 321 is provided with an avoiding surface 325.

[0062] As shown in the drawings, Figure 5 The specific structure of the second connecting part 33 provided by the application can also be various, and in an optional embodiment of the application, the second connecting part 33 comprises two second hoop plates 331 arranged oppositely, each of the second hoop plates 331 has two second wing plates 332 connected with the two body mounting beams 31 respectively, the two second hoop plates 331 surround a third hole 333 for the duct mounting beam 2 to pass through, and the two second wing plates 332 are fixedly connected with each other to adjust the diameter of the third hole 333, so that the second connecting part 33 is fixedly connected with the duct mounting beam 2. The structure of the second connecting part 33 is also similar to a hoop, the two second wing plates 332 on the two sides are connected with each other, the diameter of the third hole 333 can be adjusted, and the second connecting part 33 is fixedly connected with the duct mounting beam 2.

[0063] In order to facilitate the connection of the first connecting part 32 with the body mounting beam 31 and improve the strength of the connection between the first connecting part 32 and the body mounting beam 31, the first connecting part 32 further comprises a first connecting block 324, the first connecting block 324 is used for connecting two first wing plates 322 located on the same side, and the two first wing plates 322 located on the same side are connected with the corresponding body mounting beam 31 through the first connecting block 324.

[0064] Further, the first connecting block 324 can be provided with a second connecting hole 34, and the side plate 313 of the body mounting beam 31 is provided with a first connecting hole 3132, the first connecting block 324 and the body mounting beam 31 are fixed through the cooperation of the first connecting hole 3132 and the second connecting hole 34.

[0065] Similarly, the second connecting part 33 also includes a second connecting block 334, which is used to connect two second wing plates 332 located on the same side. The two second wing plates 332 located on the same side are connected to the corresponding fuselage mounting beam 31 through the second connecting block 334.

[0066] Furthermore, the first connecting block 324 may be provided with a second connecting hole 34, and the side plate 313 of the body mounting beam 31 is provided with a first connecting hole 3132. The first connecting block 324 and the body mounting beam 31 are fixed by the cooperation of the first connecting hole 3132 and the second connecting hole 34.

[0067] To further improve the connection stability between the mounting beam 31 and the body 5 of the UAV, a third connecting hole 35 is provided on the first connecting block 324 and the second connecting block 334. The third mounting hole 314 is used to achieve a fixed connection between the mounting beam 31 and the UAV.

[0068] like Figure 6 As shown, the present invention also provides an unmanned aerial vehicle (UAV), including: a body 5, a duct 6 and a duct mounting beam 2, wherein one end of the duct mounting beam 2 is provided with a duct seat 4 for mounting the duct 6; and further including: a fixing mechanism 7 for the duct mounting beam as described in any of the above claims.

[0069] The UAV provided by this invention, due to the use of the above-mentioned duct mounting beam fixing mechanism, has the advantages of conveniently adjusting the distance and deflection between the duct and the fuselage, and also facilitates the later maintenance and debugging of the duct.

[0070] It should be noted that the above detailed descriptions are exemplary and intended to provide further explanation of this application. Unless otherwise specified, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains.

[0071] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0072] It should be noted that the terms "first," "second," etc., used in the specification, claims, and accompanying drawings of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such terms can be used interchangeably where appropriate so that the embodiments of this application described herein can be implemented in sequences other than those illustrated or described herein.

[0073] Furthermore, the terms “comprising” and “having”, and any variations thereof, are intended to cover non-exclusive inclusion. For example, a process, method, system, product, or apparatus that includes a series of steps or units is not necessarily limited to those steps or units that are explicitly listed, but may include other steps or units that are not explicitly listed or that are inherent to such process, method, product, or apparatus.

[0074] For ease of description, spatial relative terms such as "above," "on top of," "on the upper surface of," "above," etc., are used herein to describe the spatial positional relationship of a device or feature as shown in the figures to other devices or features. It should be understood that spatial relative terms are intended to encompass different orientations in use or operation beyond the orientation of the device as described in the figures. For example, if the device in the figures were inverted, a device described as "above" or "on top of" other devices or structures would subsequently be positioned as "below" or "under" other devices or structures. Thus, the exemplary term "above" can include both "above" and "below." The device may also be positioned in other different ways, such as rotated 90 degrees or in other orientations, and the spatial relative descriptions used herein will be interpreted accordingly.

[0075] In the detailed description above, reference has been made to the accompanying drawings, which form part of this document. In the drawings, similar symbols typically identify similar parts unless the context otherwise indicates otherwise. The illustrated embodiments described in the detailed specification, drawings, and claims are not intended to be limiting. Other embodiments may be used and other changes may be made without departing from the spirit or scope of the subject matter presented herein.

[0076] The above are merely preferred embodiments of the present invention and are not intended to limit the present invention. Various modifications and variations can be made to the present invention by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the scope of protection of the present invention.

Claims

1. A fixing mechanism for a culvert installation beam, characterized in that, include: A first mounting base includes: a fastening part, a fastener, and a mounting part fixed relative to the fastening part. The fastening part has a first hole for fitting the duct mounting beam. The fastener is used to fix the fastening part to the duct mounting beam. The mounting part also has a mounting position. The distance and angle between the fastening part and a duct seat at one end of the duct mounting beam are adjustable. The mounting part has a second hole that allows the duct mounting beam to pass through and at least one mounting ear, the mounting ear forming the mounting position. A second mounting base fitted onto the first mounting base, the second mounting base comprising: two opposing body mounting beams, the body mounting beams being detachably connected to the body of the UAV; a first connecting portion and a second connecting portion installed between the two body mounting beams; the first connecting portion and the second connecting portion being spaced apart along the length direction of the body mounting beams; wherein: the first connecting portion is fitted onto the mounting portion and fixedly installed at the mounting position; the second connecting portion is used for fixed connection with the duct mounting beam; wherein: the first connecting portion comprises: two opposing first clamps, each first clamp having two first wing plates, the two first wing plates being respectively connected to the two body mounting beams; each first wing plate having a first mounting hole; the shape of the opening formed by the two first clamps and the four first wing plates being the same as the shape of the mounting portion; each mounting position of the mounting portion having a second mounting hole that mates with the first mounting hole; the first connecting portion further comprises: a first connecting block, the first connecting block being used to connect two first wing plates located on the same side; the two first wing plates located on the same side being connected to the corresponding body mounting beams through the first connecting block; The fastening part is a clamp structure with an opening on one side; Along the axial direction of the first hole, one end of the mounting part is fixedly connected to the fastening part, and the mounting part and the fastening part are integrally formed structures; The second connecting part includes: two second hoop plates arranged opposite to each other, each second hoop plate having two second wing plates, the two second wing plates being respectively connected to the two body mounting beams, the two second hoop plates forming a third hole for the duct mounting beam to pass through, and the second wing plates being fixedly connected to each other to adjust the diameter of the third hole so that the second connecting part is fixedly connected to the duct mounting beam; The second connecting part further includes: a second connecting block, which is used to connect two second wing plates located on the same side, and the two second wing plates located on the same side are connected to the corresponding fuselage mounting beam through the second connecting block; The mounting beam of the machine body includes: a first plate and a second plate arranged opposite to each other, a side plate connecting the first plate and the second plate, the first plate, the second plate and the side plate forming an I-beam structure, and the first plate and the second plate are provided with third mounting holes for connecting to the machine body.

2. The fixing mechanism for the culvert installation beam according to claim 1, characterized in that, The side plate is provided with weight reduction through holes.

3. An unmanned aerial vehicle (UAV), comprising: The duct body, the duct, and the duct mounting beam, wherein one end of the duct mounting beam is provided with a duct seat, the duct seat being used to mount the duct; characterized in that it further includes: a fixing mechanism for the duct mounting beam as described in any one of claims 1 to 2.

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