Wing auxiliary mounting mechanism of fixed-wing unmanned aerial vehicle

Abstract

The invention relates to an auxiliary wing mounting mechanism for a fixed-wing unmanned aerial vehicle. The technical problems that in the prior art, the mounting process consumes long time, the efficiency is low, the labor cost is high, the labor requirement is high, and wings cannot be quickly mounted in emergency situations are solved. The device comprises one or more supporting assemblies, and the multiple supporting assemblies are connected through cross beams. The supporting assembly comprises a main body frame, a lifting mechanism and a tray; the main frame is used for supporting; the lifting mechanism is used for lifting the tray; the tray comprises a tray base, two tray racks and a tray body; a floating mechanism is arranged on the tray base; the output end of the lifting mechanism is connected with the tray base; a posture adjusting screw is arranged between the tray rack and the tray body; a buffer material is arranged on the tray body; the floating mechanism comprises a lower support, a middle support, an upper support and a rolling spherical hinge and is used for achieving rolling. The upper support is connected with the tray body through the tray supporting plate and the transverse moving spring set, and the transverse moving spring set achieves heading movement.

Description

Technical Field

[0001] The invention relates to a ground integrated support device for a medium or large-sized fixed-wing unmanned aerial vehicle, and in particular to an auxiliary mounting mechanism for a wing of a fixed-wing unmanned aerial vehicle. Background Art

[0002] With the development of science and technology, fixed-wing UAVs have been widely used in modern industrial fields. The wing shape of fixed-wing UAVs is complex, and multiple parameters need to be considered, which requires high installation accuracy.

[0003] The existing method of installing the wings of fixed-wing drones mainly relies on manual operation, which usually requires the use of a traditional lift to lift the wings to the installation position during installation, and then the installation is completed manually. This method has the following problems:

[0004] 1. The flexibility of using traditional lifts to lift wings is low, and the attitude adjustment process is complicated, making the entire installation process time-consuming and inefficient.

[0005] 2. The installation of the wing is complicated, and the entire installation process requires a lot of manual participation, resulting in high labor costs.

[0006] 3. Traditional elevators have low flexibility. To meet the installation accuracy requirements of the wings, workers need to have high professional skills and high labor requirements.

[0007] 4. It cannot meet the need for rapid installation of wings in emergency situations. Summary of the invention

[0008] The purpose of the present invention is to solve the technical problems in the prior art that the installation process is time-consuming, inefficient, has high labor costs and labor requirements, and cannot quickly install the wings in an emergency, and to provide a fixed-wing UAV wing auxiliary installation mechanism.

[0009] In order to achieve the above purpose, the technical solution provided by the present invention is as follows:

[0010] A fixed-wing UAV wing auxiliary mounting mechanism, which is special in that:

[0011] It includes one supporting assembly; or at least two supporting assemblies, and adjacent supporting assemblies are connected by a crossbeam;

[0012] The support assembly includes a main frame, a lifting mechanism installed in the main frame, and a tray arranged on the lifting mechanism;

[0013] A frame connecting plate is provided near the top of the main frame, and a universal wheel is provided at the bottom; the length direction of the main frame is the X axis, the width direction is the Y axis, and the height direction is the Z axis;

[0014] The lifting mechanism includes a screw lift arranged along the Z-axis direction, a coupling arranged at the input end of the screw lift, a lifting mechanism input shaft connected to the coupling, and symmetrically arranged and paired linear bearings and a lifting rod inserted in the linear bearings; the coupling and the linear bearings are arranged on a frame connecting plate; the screw lift converts the rotational motion of the lifting mechanism input shaft into the lifting motion of the output shaft along the Z-axis direction through the coupling;

[0015] The pallet includes a pallet base, two pallet racks respectively arranged at both ends of the pallet base, and a pallet body located on the two pallet racks; a floating mechanism is arranged at the center of the pallet base; the output shaft of the screw lifter is connected to the pallet base, and the lifting rods are respectively connected to the positions of the two pallet racks corresponding to the pallet base; an adjustment screw is arranged between the pallet rack and the pallet body for adjusting the posture of the pallet body; a buffer material is arranged on the upper surface of the pallet body;

[0016] The floating mechanism includes a lower support, an intermediate support, an upper support and a rolling ball joint; an intermediate support is provided in the middle of the lower support, and the intermediate support and the upper support are movably connected through a rolling ball joint;

[0017] The upper support is connected to the rolling ball joint so that the upper support can roll relative to the lower support; a tray support plate is provided on the upper support, and the tray support plate is connected to the tray body through at least two transverse spring groups. The transverse spring group allows the tray body to move along the Y-axis direction relative to the upper support.

[0018] Furthermore, a coupling mounting hole is provided at the center of the frame connecting plate, the screw elevator is installed on the frame connecting plate, and the output shaft of the screw elevator passes through the coupling mounting hole; the linear bearing is symmetrically arranged about the center of the coupling mounting hole.

[0019] Furthermore, two diagonal holes of the frame connecting plate are provided, and there are two linear bearings respectively inserted into the two lifting mounting holes; there are two lifting rods respectively connected to two diagonal holes corresponding to the tray base.

[0020] Furthermore, the transverse spring group includes a panning axis arranged along the Y-axis direction, and at least two pallet moving seats sleeved on the panning axis, and a pallet support block is sleeved between every two adjacent pallet moving seats on the panning axis; a spring is sleeved on the panning axis between the pallet moving seat and the pallet support block, for realizing automatic reset after movement along the Y-axis direction;

[0021] The tray moving seat is connected to the bottom of the tray body, and the tray supporting block is connected to the top of the tray supporting plate.

[0022] Furthermore, there are two transverse spring groups, which are symmetrically arranged between the pallet support plate and the pallet body along the X-axis direction; and there are two pallet moving seats in each transverse spring group.

[0023] Further, there are four posture adjustment screws;

[0024] The pallet rack is a Z-shaped plate, including an upper end plate, a connecting plate and a lower end plate connected in sequence, wherein the lower end plate is fixedly connected to the pallet base, and the upper end plate has two threaded holes evenly opened along the Y-axis direction, and the posture adjustment screws are arranged in the threaded holes.

[0025] Furthermore, handles are symmetrically provided at the lower ends of the tray body, and baffles are symmetrically provided at the upper ends;

[0026] The cushioning material is felt.

[0027] Furthermore, removable hand wheels are installed at both ends of the input shaft of the lifting mechanism;

[0028] There are four universal wheels, which are located at the four bottom corners of the main frame.

[0029] Further, the number of support assemblies is two;

[0030] The main frames of the two support assemblies are parallel to the XZ plane and four corresponding side corners are provided with beam mounting plates; two adjacent support assemblies are connected by at least two beams mounted on the beam mounting plates.

[0031] Furthermore, there are two crossbeams, both of which are mounted on two corresponding crossbeam mounting plates located below.

[0032] The beneficial effects of the present invention compared with the prior art are as follows:

[0033] 1. The invention provides a fixed-wing UAV wing auxiliary installation mechanism, which supports the wing through a support assembly, and the tray on each support assembly can independently perform lifting, heading and rolling movements, thereby achieving lifting and adjustment actions during wing installation. The structure of the invention has strong flexibility, effectively saves manpower, improves installation efficiency, and reduces the number of on-site operators.

[0034] 2. The fixed-wing UAV wing auxiliary installation mechanism provided by the present invention has a flexible structure and is easy to adjust, and can meet the needs of quickly installing the wing in an emergency. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] Figure 1 It is a structural schematic diagram of an embodiment of a wing auxiliary mounting mechanism for a fixed-wing UAV of the present invention;

[0036] Figure 2 is a schematic structural diagram of a single support assembly in an embodiment of the present invention;

[0037] Figure 3 is a schematic structural diagram of a tray in an embodiment of the present invention;

[0038] Figure 4 1 is a schematic diagram of the structure of the floating mechanism in an embodiment of the present invention (half-section of the middle support);

[0039] Figure 5 is a structural schematic diagram of a lifting mechanism in an embodiment of the present invention;

[0040] Figure 6 It is a structural schematic diagram of the main frame in an embodiment of the present invention;

[0041] Figure 7 It is a diagram showing the lifting effect of an embodiment of the present invention.

[0042] Figure Number:

[0043] 1-Support assembly, 2-Beam;

[0044] 11-tray, 12-floating mechanism, 13-lifting mechanism, 14-main frame;

[0045] 111-tray body, 112-tray handle, 113-attitude adjustment screw, 114-tray frame, 115-tray base, 116-tray moving seat, 117-tray support block, 118-tray support plate, 119-course axis;

[0046] 121-lower support, 122-middle support, 123-upper support, 124-rolling ball joint;

[0047] 131-screw lift, 132-lifting rod, 133-linear bearing, 134-hand wheel, 135-lifting mechanism input shaft, 136-coupling;

[0048] 141-Universal wheel. DETAILED DESCRIPTION

[0049] The specific technical solutions in the embodiments of the present invention will be further described below in conjunction with the accompanying drawings.

[0050] The present invention provides a wing auxiliary installation mechanism for a fixed-wing unmanned aerial vehicle, comprising a support assembly, each of which is composed of a tray, a floating mechanism, a lifting mechanism and a main frame, wherein the tray realizes support and protects the wing through felt, the floating mechanism realizes the rolling of the tray, and the lifting mechanism realizes lifting and is equipped with an auxiliary support rod to ensure the stability of the lifting process.

[0051] Figure 1 , Figure 7 The fixed-wing UAV wing auxiliary mounting mechanism provided in the embodiment of the present invention includes two supporting components 1.

[0052] refer to Figure 2The support assembly 1 includes a main frame 14, a lifting mechanism 13 installed in the main frame 14, and a tray 11 arranged on the lifting mechanism 13. The main frame 14 of each support assembly 1 is provided with a crossbeam mounting plate at the four corners of the two sides parallel to the XZ plane; the two support assemblies 1 are connected by two crossbeams 2 installed on the crossbeam mounting plates by bolts. The crossbeam 2 can be freely disassembled, and its length is adapted to the wing. For different wing lengths, the length of the crossbeam 2 can be replaced to adjust the distance between the two support assemblies so that the wing can be laid flat on the tray. In other embodiments of the present invention, the support assembly 1 can also be used alone.

[0053] refer to Figure 6 A frame connecting plate is provided near the top of the main frame 14 , and a universal wheel 141 is provided at the bottom; there are four universal wheels 141 , which are respectively located at the four corners of the bottom of the main frame 14 .

[0054] The length direction of the main frame 14 is the X-axis, the width direction is the Y-axis (heading), and the height direction is the Z-axis (up and down).

[0055] refer to Figure 5 The lifting mechanism 13 includes a screw lift 131 arranged along the Z-axis direction, a coupling 136 arranged at the input end of the screw lift 131, a lifting mechanism input shaft 135 connected to the coupling 136, and symmetrically arranged and paired linear bearings 133 and a lifting rod 132 penetrated through the linear bearings 133; the coupling 136 and the linear bearings 133 are arranged on the frame connecting plate; a coupling mounting hole is opened at the center of the frame connecting plate, the screw lift 131 is installed on the frame connecting plate, and the output shaft of the screw lift 131 passes through the coupling mounting hole; lifting mounting holes are opened at two diagonal angles of the frame connecting plate, and there are two linear bearings 133, which are respectively penetrated in the two lifting mounting holes; there are two lifting rods 132, which are respectively connected to the two diagonal angles corresponding to the tray base 115, so as to increase the lifting stability and prevent the center of gravity from being biased to high pressure bending the lifting mechanism 13 when lifting to a higher position, so as to play a role in straightening and stabilizing. The screw lift 131 converts the rotational motion of the lifting mechanism input shaft 135 into the lifting motion of the output shaft along the Z-axis direction through the coupling 136. (Realizing lifting)

[0056] Both ends of the lifting mechanism input shaft 135 are equipped with detachable hand wheels 134. The lifting mechanism input shaft 135 can be rotated by the hand wheel 134 or other electric tools to complete the lifting of the tray 11 by the lifting mechanism 13, thereby lifting the wing.

[0057] refer to Figure 3The pallet 11 includes a pallet base 115, two pallet racks 114 respectively arranged at both ends of the pallet base 115, and a pallet body 111 located on the two pallet racks 114; a floating mechanism 12 is provided at the center of the pallet base 115; the output shaft of the screw lift 131 is connected to the pallet base 115, and the lifting rod 132 is respectively connected to the positions of the two pallet racks 114 corresponding to the pallet base 115; two posture adjustment screws 113 are provided along the Y-axis direction between each pallet rack 114 and the pallet body 111, which are used to adjust the posture of the pallet body 111, and the principle is similar to that of the leveling screws; the upper surface of the pallet body 111 is provided with felt as a buffer material, and the felt is in direct contact with the wing to protect the outer surface of the wing. Handles 112 are symmetrically provided below the two ends of the pallet body 111, and baffles are symmetrically provided above. The setting of the handles 112 facilitates the operator to adjust the posture.

[0058] The tray frame 114 is a Z-shaped plate, including an upper end plate, a connecting plate and a lower end plate connected in sequence, wherein the lower end plate is fixedly connected to the tray base 115, and the upper end plate has two threaded holes evenly opened along the Y-axis direction, and the posture adjustment screws 113 are arranged in the threaded holes.

[0059] refer to Figure 4 The floating mechanism 12 includes a lower support 121, an intermediate support 122, an upper support 123 and a rolling ball joint 124; the center of the lower support 121 is provided with an intermediate support 122, and the intermediate support 122 and the upper support 123 are movably connected through the rolling ball joint 124. (To achieve rolling)

[0060] The upper support 123 is connected to the rolling ball joint 124, so that the upper support 123 can roll relative to the lower support 121; the upper support 123 is provided with a tray support plate 118, which is connected to the tray body 111 through a transverse spring group, and the transverse spring group allows the tray body 111 to move along the Y-axis relative to the upper support 123. (Achieve heading and automatic recovery)

[0061] There are two transverse spring groups, which are symmetrically arranged between the tray support plate 118 and the tray body 111 along the X-axis direction. The transverse spring group includes a panning axis 119 arranged along the Y-axis direction, and two tray moving seats 116 sleeved on the panning axis 119, and a tray support block 117 sleeved between the two tray moving seats 116 on the panning axis 119; springs are sleeved on the panning axis 119 between the tray moving seats 116 and the tray support block 117 to achieve automatic reset after movement along the Y-axis direction (i.e., panning movement); the tray moving seat 116 is connected to the bottom of the tray body 111, and the tray support block 117 is connected to the top of the tray support plate 118.

[0062] The method of using this embodiment is as follows:

[0063] When installing the wing, place the wing on the surface of the tray 11 of the support assembly 1, and the support assemblies 1 at both ends support the root and tail of the wing respectively, forming two supporting points.

[0064] Push the two support assemblies 1 to the designated installation position and lock the universal wheels 141 .

[0065] By using the hand wheel 134 or other electric tools, the lifting mechanism input shafts 135 on the two support assemblies 1 are rotated respectively to lift the wing, and after lifting to a suitable position, the wing is aligned with the wing installation position for preparation for installation.

[0066] In order to adjust the wing installation angle, the tilt angle of the tray 11 can be adjusted by the floating mechanism 12, and finally the wing installation angle can be fine-tuned and locked by the posture adjustment screw 113. The installation process can fine-tune the angle according to the actual situation.

[0067] The above content is only an embodiment of the present invention and is not intended to limit the protection scope of the present invention. Any equivalent structural transformations made using the contents of the present invention's specification and drawings, or directly or indirectly applied in other related technical fields, are included in the patent protection scope of the present invention.

Claims

1. A fixed-wing UAV wing auxiliary mounting mechanism, characterized in that: It comprises one support assembly (1); or at least two support assemblies (1), wherein adjacent support assemblies (1) are connected via a crossbeam (2); The support assembly (1) comprises a main frame (14), a lifting mechanism (13) installed in the main frame (14), and a tray (11) arranged on the lifting mechanism (13); The main frame (14) is provided with a frame connecting plate near the top, and a universal wheel (141) is provided at the bottom; the length direction of the main frame (14) is the X axis, the width direction is the Y axis, and the height direction is the Z axis; The lifting mechanism (13) comprises a screw lift (131) arranged along the Z-axis direction, a coupling (136) arranged at the input end of the screw lift (131), a lifting mechanism input shaft (135) connected to the coupling (136), and symmetrically arranged and paired linear bearings (133) and a lifting rod (132) inserted into the linear bearings (133); the coupling (136) and the linear bearings (133) are arranged on the frame connecting plate; the screw lift (131) converts the rotational motion of the lifting mechanism input shaft (135) into the lifting motion of the output shaft along the Z-axis direction through the coupling (136); The pallet (11) comprises a pallet base (115), two pallet racks (114) respectively arranged at both ends of the pallet base (115), and a pallet body (111) located on the two pallet racks (114); a floating mechanism (12) is provided at the center of the pallet base (115); the output shaft of the screw lift (131) is connected to the pallet base (115), and the lifting rod (132) is respectively connected to the positions of the pallet base (115) corresponding to the two pallet racks (114); a posture adjustment screw (113) is provided between the pallet rack (114) and the pallet body (111) for adjusting the posture of the pallet body (111); and a buffer material is provided on the upper surface of the pallet body (111); The floating mechanism (12) comprises a lower support (121), an intermediate support (122), an upper support (123) and a rolling ball joint (124); the lower support (121) is arranged at the center of the tray base (115), an intermediate support (122) is arranged in the middle of the lower support (121), and the intermediate support (122) and the upper support (123) are movably connected via the rolling ball joint (124); The upper support (123) is connected to the rolling ball joint (124), so that the upper support (123) can roll relative to the lower support (121); a tray support plate (118) is provided on the upper support (123), and the tray support plate (118) is connected to the tray body (111) through at least two transverse spring groups, and the transverse spring group enables the tray body (111) to move along the Y-axis direction relative to the upper support (123).

2. The fixed-wing UAV wing auxiliary mounting mechanism according to claim 1, characterized in that: A coupling mounting hole is provided at the center of the frame connecting plate, the screw elevator (131) is mounted on the frame connecting plate, and the output shaft of the screw elevator (131) passes through the coupling mounting hole; the linear bearing (133) is symmetrically arranged about the center of the coupling mounting hole.

3. The fixed-wing UAV wing auxiliary mounting mechanism according to claim 2, characterized in that: The two diagonal portions of the frame connecting plate are provided with lifting installation holes, and the two linear bearings (133) are respectively inserted into the two lifting installation holes; the two lifting rods (132) are respectively connected to the two diagonal portions corresponding to the tray base (115).

4. A fixed-wing UAV wing auxiliary mounting mechanism according to any one of claims 1 to 3, characterized in that: The transverse spring group comprises a panning axis (119) arranged along the Y-axis direction, and at least two pallet moving seats (116) sleeved on the panning axis (119), and a pallet supporting block (117) sleeved between every two adjacent pallet moving seats (116) on the panning axis (119); a spring sleeved on the panning axis (119) between the pallet moving seat (116) and the pallet supporting block (117) for realizing automatic reset after movement along the Y-axis direction; The tray moving seat (116) is connected to the bottom of the tray body (111), and the tray supporting block (117) is connected to the top of the tray supporting plate (118).

5. The fixed-wing UAV wing auxiliary mounting mechanism according to claim 4, characterized in that: There are two transverse spring groups, which are symmetrically arranged between the tray support plate (118) and the tray body (111) along the X-axis direction; and there are two tray moving seats (116) in each transverse spring group.

6. The fixed-wing UAV wing auxiliary mounting mechanism according to claim 1, characterized in that: There are four posture adjustment screws (113); The tray frame (114) is a Z-shaped plate, comprising an upper end plate, a connecting plate and a lower end plate connected in sequence, wherein the lower end plate is fixedly connected to the tray base (115), and the upper end plate is evenly provided with two threaded holes along the Y-axis direction, and the posture adjustment screws (113) are arranged in the threaded holes.

7. The fixed-wing UAV wing auxiliary installation mechanism according to claim 1, characterized in that: The tray body (111) is symmetrically provided with handles (112) at the lower sides of both ends and with baffles symmetrically provided at the upper sides; The buffer material is felt.

8. The fixed-wing UAV wing auxiliary mounting mechanism according to claim 1, characterized in that: Both ends of the lifting mechanism input shaft (135) are equipped with detachable hand wheels (134); There are four universal wheels (141), which are respectively located at the four bottom corners of the main frame (14).

9. The fixed-wing UAV wing auxiliary mounting mechanism according to claim 1, characterized in that: The number of the supporting components (1) is two; The main frames (14) of the two support assemblies (1) are parallel to the XZ plane and four corresponding side corners are provided with beam mounting plates; two adjacent support assemblies (1) are connected by at least two beams (2) mounted on the beam mounting plates.

10. The fixed-wing UAV wing auxiliary installation mechanism according to claim 9, characterized in that: There are two crossbeams (2), both of which are mounted on two corresponding crossbeam mounting plates located below.

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