Wheel type undercarriage of unmanned aerial vehicle

Abstract

The utility model relates to the technical field of unmanned aerial vehicles, and discloses an unmanned aerial vehicle wheel type undercarriage which comprises a fixed inclined rod, a damping shell is hinged to the middle of the outer surface of the fixed inclined rod, a damping frame is slidably connected to the inner surface of the damping shell, and a damping fin is inserted into the inner surface of the damping frame. The outer surface of the damping fin is slidably connected with the inner surface of the damping shell, the bottom end of the inner surface of the damping shell is elastically connected with a damping ring through a spring A, the top end of the outer surface of the damping ring is fixedly connected with a damping rod, and the outer surface of the damping ring is slidably connected with the inner surface of the damping fin. According to the utility model, the damping fin is provided with a detachable structure, so that when the damping fin needs to be replaced, only the damping frame needs to be upwards pulled out of the damping shell, and then the damping fin is replaced, thereby avoiding a complicated disassembly process, enabling the replacement process to be quick and simple, and saving time and energy.

Description

TECHNICAL FIELD

[0001] The utility model relates to unmanned plane technical field especially relates to unmanned plane wheel type landing gear. BACKGROUND

[0002] Usually unmanned plane needs to use wheel type landing gear when taking off and moving on the ground to increase stability and adaptability, so that unmanned plane can take off and land smoothly under various ground conditions, and the wheel type landing gear also has a damping device to absorb impact force when landing, protect the fuselage and internal electronic equipment of unmanned plane and prolong the service life.

[0003] Usually in the damping device of unmanned plane, the damper will gradually wear out due to long time friction and stress, resulting in the decline of damping effect, especially when operating in complex terrain or harsh environment, in order to ensure the stability and safety of unmanned plane during landing, it is generally necessary to regularly check and replace the damper to avoid potential risks caused by failure of the damping device.

[0004] And considering that when replacing the damper, the parts connecting the damper in the whole damping device are usually removed, and then the damper is replaced, not only the process of removing and replacing the damper is usually complex and time-consuming, but also professional knowledge and skills are required when installing the damper, improper operation may cause device failure or improper installation, therefore, the unmanned plane wheel type landing gear is proposed to solve the above problems. SUMMARY

[0005] In order to make up for the above shortcomings, the utility model provides unmanned plane wheel type landing gear, aiming at improving the problem that the damper needs to be removed when replacing the damper in the prior art, which not only is complex and time-consuming, but also requires operators to have professional knowledge and skills, and improper operation may cause device failure.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme: unmanned plane wheel type landing gear, including fixed inclined rod, the outer surface middle part of fixed inclined rod is hinged with damping shell, the inner surface of damping shell is slidingly connected with damping frame, the inner surface of damping frame is inserted with damping sheet, the outer surface of damping sheet is slidingly connected with the inner surface of damping shell, the inner surface bottom end of damping shell is elastically connected with damping ring through spring A, the outer surface top end of damping ring is fixedly connected with damping rod, the outer surface top end of damping rod is hinged with fixed vertical rod, and the top end of fixed vertical rod is provided with mounting assembly.

[0007] As a further description of the above technical scheme:

[0008] The mounting assembly comprises a mounting seat, the bottom end of the mounting seat is hingedly connected to the top end of the inner surface of the fixed vertical rod, the inner surface of the mounting seat is threadedly connected with a bolt, and the bolt is provided with four groups.

[0009] As a further description of the above technical scheme:

[0010] The outer surface of the damping ring is slidably connected with the inner surface of the damping sheet, the outer surface of the damping rod is slidably connected with the inner surface of the damping frame, and the bottom end of the inner surface of the fixed vertical rod is hingedly connected with the top end of the outer surface of the fixed inclined rod.

[0011] As a further description of the above technical scheme:

[0012] The top end of the inner surface of the damping housing is elastically connected with an inclined block through a spring B, the top end of the outer surface of the damping frame is provided with a clamping groove, the outer surface of the inclined block is clamped with the inner surface of the clamping groove, and the outer surface of the inclined block is slidably connected with the top end of the inner surface of the damping housing.

[0013] As a further description of the above technical scheme:

[0014] One end of the spring A is fixedly connected with the bottom end of the inner surface of the damping housing, and the other end of the spring A is fixedly connected with the bottom end of the outer surface of the damping ring.

[0015] As a further description of the above technical scheme:

[0016] One end of the spring B is fixedly connected with the top end of the inner surface of the damping housing, and the other end of the spring B is fixedly connected with the outer surface of the inclined block.

[0017] As a further description of the above technical scheme:

[0018] The inner surface of the damping housing is fixedly connected with a guide column, the outer surface of the guide column is slidably connected with the bottom end of the inner surface of the damping frame, the outer surface of the inclined block is fixedly connected with a pushing block on the left side, the outer surface of the pushing block is inserted into the top end of the inner surface of the damping housing, and the top end of the outer surface of the damping housing is provided with a notch.

[0019] As a further description of the above technical scheme:

[0020] The outer surface of the fixed inclined rod is rotatably connected with a landing wheel, the inner surface of the damping sheet and the outer surface of the damping ring are both provided with damping, and the damping sheet is provided with two groups.

[0021] The utility model has the advantages of:

[0022] 1. The utility model discloses a damping piece is provided with detachable structure, makes when needing to replace the damping piece, only need to pull out the damping shell in the damping frame upwards to the damping piece is replaced again, avoids complicated dismounting process, makes the replacement process fast and simple, saves time and energy effect.

[0023] 2. The utility model discloses a bevel, when the damping frame is inserted into the damping shell, the damping frame can extrude the bevel, the bevel moves outward first, and then the damping frame is clamped in the damping, to improve the efficiency when assembling. DRAWINGS

[0024] Figure 1 The utility model provides a main body structure schematic diagram of unmanned plane wheel type landing gear;

[0025] Figure 2 The utility model provides a damping piece removal structure schematic diagram of unmanned plane wheel type landing gear;

[0026] Figure 3 The utility model provides a damping shell section structure schematic diagram of unmanned plane wheel type landing gear;

[0027] Figure 4 The utility model provides a guide column structure schematic diagram of unmanned plane wheel type landing gear;

[0028] Figure 5 The utility model provides a bevel structure schematic diagram of unmanned plane wheel type landing gear.

[0029] Legend:

[0030] 1, fixed slope rod, 2, fixed vertical rod, 3, landing wheel, 4, damping shell, 5, damping rod, 6, damping piece, 7, damping frame, 8, clamping groove, 9, knob, 10, damping ring, 11, spring A, 12, guide column, 13, spring B, 14, bevel, 15, connecting seat, 16, bolt. DETAILED DESCRIPTION

[0031] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0032] REFERENCE Figure 1 - Figure 3The utility model provides an embodiment: unmanned aerial vehicle wheel type landing gear, the outer surface middle part of fixed inclined pole 1 is hinged with damping shell 4, can make the bottom of damping shell 4 along the outer surface middle part of fixed inclined pole 1 the effect of circular arc motion, the inner surface sliding connection of damping shell 4 has damping frame 7, makes damping frame 7 can along the inner surface vertical movement of damping shell 4 the effect, the inner surface of damping frame 7 inserts and connects with damping sheet 6, when damping sheet 6 is inserted with the inner surface of damping frame 7, can be driven to move vertically, the outer surface of damping sheet 6 is connected with the inner surface of damping shell 4 slidingly, when damping sheet 6 is driven by damping frame 7 and moves vertically, the outer surface of damping sheet 6 can be attached to the inner surface of damping shell 4 and move vertically to prevent damping sheet 6 from shaking, the inner surface bottom of damping shell 4 is elastically connected with damping ring 10 through spring A11, makes damping ring 10 can always keep moving upwards under the influence of external force, the outer surface top of damping ring 10 is fixedly connected with damping rod 5, makes damping ring 10 when moving vertically, can drive damping rod 5 to move together, the outer surface top of damping rod 5 is hinged with fixed vertical rod 2, makes fixed vertical rod 2 when circular arc motion, can drive damping rod 5 to move vertically, the top of fixed vertical rod 2 is provided with mounting assembly, makes fixed vertical rod 2 can along the outer surface bottom of mounting assembly circular arc motion effect, and makes the whole device can be fixed on the bottom of unmanned aerial vehicle through mounting assembly effect.

[0033] Referring to Figure 1 , the mounting assembly comprises a mounting seat 15, the bottom of the mounting seat 15 is hinged with the inner surface top of the fixed vertical rod 2, so that the fixed vertical rod 2 can move circularly along the outer surface bottom of the mounting seat 15, the inner surface of the mounting seat 15 is threadedly connected with a bolt 16, so that the mounting seat 15 can be fixed on the bottom of the unmanned aerial vehicle through the bolt 16, and the bolt 16 is provided with four groups, so that the mounting seat 15 can be stably fixed on the bottom of the unmanned aerial vehicle through the four bolts.

[0034] Referring to Figure 1 - Figure 3 , the outer surface of the damping ring 10 is slidingly connected with the inner surface of the damping sheet 6, so that the damping ring 10 can move while being attached to the damping sheet 6 when moving vertically, the outer surface of the damping rod 5 is slidingly connected with the inner surface of the damping frame 7, so that the damping rod 5 can move vertically along the inner surface of the damping frame 7, and the damping frame 7 can move vertically along the outer surface of the damping rod 5, and the inner surface bottom of the fixed vertical rod 2 is hinged with the outer surface top of the fixed inclined pole 1, so that the fixed vertical rod 2 and the fixed inclined pole 1 can move circularly relative to each other.

[0035] Referring to Figure 2 - Figure 3 , Figure 5The inner surface top end of the damping shell 4 is elastically connected with the inclined block 14 through the spring B13, so that the inclined block 14 can always keep the effect of moving inward without being affected by external force; the outer surface top end of the damping frame 7 is provided with the clamping groove 8, so that the inclined block 14 can be clamped with the outer surface top end of the damping frame 7; the outer surface of the inclined block 14 is clamped with the inner surface of the clamping groove 8, so that the damping frame 7 can be clamped with the clamping groove 8 through the inclined block 14, and the effect of being fixed at a specified position is achieved; the outer surface of the inclined block 14 is slidingly connected with the inner surface top end of the damping shell 4, so that the inclined block 14 can move transversely along the inner surface top end of the damping shell 4; one end of the spring A11 is fixedly connected with the inner surface bottom end of the damping shell 4, and the other end of the spring A11 is fixedly connected with the outer surface bottom end of the damping ring 10, so that when the damping rod 5 is stopped from being pressed, the damping ring 10 can be driven to move upward by the elastic force of the spring A11; one end of the spring B13 is fixedly connected with the inner surface top end of the damping shell 4, and the other end of the spring B13 is fixedly connected with the outer surface of the inclined block 14, so that when the inclined surface of the inclined block 14 is stopped from being pressed, the inclined block 14 can move inward due to the elastic force of the spring B13.

[0036] With reference to Figure 1 , Figure 3 - Figure 4 The inner surface of the damping shell 4 is fixedly connected with the guide column 12, which is provided with fixed support through the inner surface of the damping shell 4; the outer surface of the guide column 12 is penetratingly and slidingly connected with the inner surface bottom end of the damping frame 7, so that the damping frame 7 can always keep the effect of moving along a specified position; the outer surface left side of the inclined block 14 is fixedly connected with the pushing block 9, so that when the pushing block 9 is pushed, the inclined block 14 can be driven to move transversely; the outer surface of the pushing block 9 is inserted with the inner surface top end of the damping shell 4, so that the pushing block 9 can be embedded in the inner surface top end of the damping shell 4, thereby preventing accidental touch; the outer surface top end of the damping shell 4 is provided with the slot, so that when the pushing block 9 is pushed, it can be more labor-saving and convenient; the outer surface bottom end of the fixed inclined rod 1 is rotatably connected with the landing wheel 3, so that the landing wheel 3 can rotate along the outer surface bottom end of the fixed inclined rod 1; the inner surface of the damping piece 6 and the outer surface of the damping ring 10 are both provided with damping, so that when the damping ring 10 moves vertically along the inner surface of the damping piece 6, the friction force can be increased to slow down the impact force when the unmanned aerial vehicle lands; the damping piece 6 is provided with two groups, so that the two groups of damping pieces 6 can wrap the damping ring 10.

[0037] Working principle: when using the device, first fix the device through the connecting seat 15 on the bottom end of the unmanned aerial vehicle effect, then when the unmanned aerial vehicle lands, the landing wheel 3 will contact the ground first, then the fixed inclined rod 1 and the fixed vertical rod 2 will be shrunk and articulated due to the impact of landing, while the damping rod 5 moves downward along the inner surface of the damping shell 4, and when the damping rod 5 moves downward, the damping ring 10 and the damping piece 6 will be rubbed to reduce the impact force when the unmanned aerial vehicle lands, when the impact force is reduced, the damping ring 10 will drive the damping rod 5 to move upward due to the elastic force of the spring A11, and at the same time drive the fixed inclined rod 1 and the fixed vertical rod 2 to expand outward, thereby achieving the effect of buffering the unmanned aerial vehicle when landing.

[0038] When it is necessary to replace the damping piece 6, first push the push block 9 outward to drive the inclined block 14 to move outward and release the effect of clamping the damping frame 7, then pull out the damping frame 7 upward to drive the two groups of damping pieces 6 to separate from the damping shell 4, then replace the two groups of damping pieces 6, then press the damping frame 7 with the replaced damping pieces 6 downward, when the damping frame 7 moves downward, it will first press the inclined surface of the inclined block 14, so that the inclined block 14 moves outward, when the damping frame 7 moves to the specified position, the inclined block 14 will move inward due to the elastic force of the spring B13 and be clamped in the clamping groove 8 opened at the top of the damping frame 7, so that the damping frame 7 is fixed inside the damping shell 4.

[0039] Finally, it should be pointed out that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. Unmanned aerial vehicle wheeled landing gear, comprising a fixed diagonal bar (1), characterized in that: The middle part of the outer surface of the fixed inclined rod (1) is hingedly connected with a damping shell (4), the inner surface of the damping shell (4) is slidably connected with a damping frame (7), the inner surface of the damping frame (7) is inserted with a damping sheet (6), the outer surface of the damping sheet (6) is slidably connected with the inner surface of the damping shell (4), the bottom end of the inner surface of the damping shell (4) is elastically connected with a damping ring (10) through a spring A (11), the top end of the outer surface of the damping ring (10) is fixedly connected with a damping rod (5), the top end of the outer surface of the damping rod (5) is hingedly connected with a fixed vertical rod (2), and the top end of the fixed vertical rod (2) is provided with a mounting assembly.

2. The UAV wheeled landing gear of claim 1, wherein: The mounting assembly comprises a mounting seat (15), the bottom end of the mounting seat (15) is hingedly connected with the inner surface of the top end of the fixed vertical rod (2), and the inner surface of the mounting seat (15) is threadedly connected with a bolt (16), and the bolt (16) is provided with four groups.

3. The UAV wheeled landing gear of claim 1, wherein: The outer surface of the damping ring (10) is slidably connected with the inner surface of the damping sheet (6), the outer surface of the damping rod (5) is slidably connected with the inner surface of the damping frame (7), and the bottom end of the inner surface of the fixed vertical rod (2) is hingedly connected with the top end of the outer surface of the fixed inclined rod (1).

4. The UAV wheeled landing gear of claim 1, wherein: The top end of the inner surface of the damping shell (4) is elastically connected with an inclined block (14) through a spring B (13), the top end of the outer surface of the damping frame (7) is provided with a clamping groove (8), the outer surface of the inclined block (14) is clamped with the inner surface of the clamping groove (8), and the outer surface of the inclined block (14) is slidably connected with the top end of the inner surface of the damping shell (4).

5. The UAV wheeled landing gear of claim 1, wherein: One end of the spring A (11) is fixedly connected with the bottom end of the inner surface of the damping shell (4), and the other end of the spring A (11) is fixedly connected with the bottom end of the outer surface of the damping ring (10).

6. The UAV wheeled landing gear of claim 4, wherein: One end of the spring B (13) is fixedly connected with the top end of the inner surface of the damping shell (4), and the other end of the spring B (13) is fixedly connected with the outer surface of the inclined block (14).

7. The UAV wheeled landing gear of claim 4, wherein: The inner surface of the damping shell (4) is fixedly connected with a guide column (12), the outer surface of the guide column (12) penetrates and slidably connects with the bottom end of the inner surface of the damping frame (7), the outer surface of the inclined block (14) is fixedly connected with a pushing block (9) on the left side, the outer surface of the pushing block (9) is inserted with the top end of the inner surface of the damping shell (4), and the top end of the outer surface of the damping shell (4) is provided with a notch.

8. The drone wheeled landing gear of claim 1, wherein: The bottom end of the outer surface of the fixed inclined rod (1) is rotatably connected with a landing wheel (3), the inner surface of the damping sheet (6) and the outer surface of the damping ring (10) are both provided with damping, and the damping sheet (6) is provided with two groups.

Images