Unmanned aerial vehicle landing buffer device

Abstract

The utility model discloses an unmanned aerial vehicle landing buffer device which comprises a mounting plate, a mounting shell is arranged below the mounting plate, a buffer structure is mounted in the mounting shell, and the buffer structure comprises a supporting rod mounted at the bottom of the mounting plate and inserted into the top of the mounting shell; the top block is fixedly connected to the end, extending into the mounting shell, of the supporting rod; and the spring is propped between the top block and the mounting shell. The unmanned aerial vehicle landing buffering device relates to the technical field of unmanned aerial vehicle landing buffering devices, through cooperation of a supporting rod, a top block and a spring, when an unmanned aerial vehicle lands, the supporting rod drives the top block to extrude the spring, the gravity of the unmanned aerial vehicle is counteracted through the spring, and when the spring is extruded, a rack drives a gear to rotate, so that the gravity of the unmanned aerial vehicle is counteracted. And under the action of a limiting structure, the gear is fixed, and the situation that the unmanned aerial vehicle is unstable due to springback of a spring is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to unmanned plane landing buffer device technical field, concretely is a kind of unmanned plane landing buffer device. BACKGROUND

[0002] Unmanned plane is the aircraft without people that is manipulated using radio remote control equipment and self-provided program control device, or by vehicle-mounted computer completely or intermittently autonomously operated, current in aerial photography, agriculture, plant protection, miniature self-portrait, express delivery, disaster rescue, observe wild animal, monitor infectious disease, survey, news report, power patrol, disaster relief, film and television shooting, manufacture romance and so on field's application, greatly expand the purpose of unmanned plane itself, developed country is also actively expanding industry application and development unmanned plane technology.

[0003] Prior art when using, pesticide box is installed at the bottom of large unmanned plane, is driven to spray pesticide device to crop by unmanned plane flight, improves the work efficiency of staff.

[0004] But in actual use, since the agricultural unmanned plane when landing, the pesticide remaining in the bottom tank can cause the weight of unmanned plane to be larger, so that the unmanned plane when landing, such as improper operation causes landing speed to be faster, the force of the bracket at the bottom is larger, so that the unmanned plane falls down and is damaged. UTILITY MODEL CONTENT

[0005] In view of the deficiencies of prior art, the utility model provides a kind of unmanned plane landing buffer device, solve the problem that, in actual use, since the agricultural unmanned plane when landing, the pesticide remaining in the bottom tank can cause the weight of unmanned plane to be larger, so that the unmanned plane when landing, such as improper operation causes landing speed to be faster, the force of the bracket at the bottom is larger, so that the unmanned plane falls down and is damaged.

[0006] In order to achieve the above object, the utility model discloses a unmanned aerial vehicle landing buffer device through the following technical schemes: a unmanned aerial vehicle landing buffer device, including the mounting plate, the bottom of mounting plate is provided with the installation shell, the inside installation of installation shell has the buffer structure, the buffer structure includes: support rod, is installed in the bottom of mounting plate and is inserted in the top of installation shell, top block is fixedly connected to one end of support rod and extends to the inside of installation shell, and is movably connected to the inner wall of installation shell 12, spring is abutting between top block and installation shell, mounting rod is inserted in the inner wall of spring and is fixedly connected to the bottom of top block, and the inner wall of installation shell is movably connected to the side away from top block, rack is fixedly connected to the bottom of mounting rod, gear is meshedly connected to the outer wall of rack and is rotatably connected to the inner wall of installation shell through bearing, limiting structure is installed on the outer wall of gear, wherein, through the cooperation of support rod and top block, the spring is extruded, the mounting rod drives rack to move, the gear rotates, and the limiting structure fixes the gear.

[0007] Preferably, the limiting structure includes: ratchet, fixedly connected to the back of gear and rotatably connected to the inner wall of installation shell through bearing, buckle, rotatably connected to the inner wall of installation shell through pin shaft and clamped to the outer wall of ratchet, tension spring, installed between buckle and installation shell, pull rope, installed above the outer wall of buckle and penetrates the side wall of installation shell, wherein, through the cooperation of tension spring and pull rope, the buckle is clamped on the outer wall of ratchet.

[0008] Preferably, the bottom of rack is inserted into limiting column, the bottom of limiting column is fixedly connected with fixed plate, and the top of fixed plate is fixedly connected to the bottom of installation shell through bolt.

[0009] Preferably, the top of support rod is provided with protection structure, the protection structure includes: fixed shell, fixedly connected to the bottom of mounting plate, sliding rod, fixedly connected to the inner wall of fixed shell, sliding block, fixedly connected to the top of support rod and movably connected to the outer wall of sliding rod, protection spring, sleeved on the outer wall of sliding rod and abutting between sliding block and fixed shell, wherein, through the cooperation of fixed shell and protection spring, the sliding block moves on the outer wall of sliding rod.

[0010] Preferably, the top of mounting plate is provided with connecting piece.

[0011] Beneficial effects

[0012] The utility model provides a kind of unmanned aerial vehicle landing buffer device.It has the following beneficial effects: the unmanned aerial vehicle landing buffer device is extruded to spring by support rod, top block and spring cooperation, when unmanned aerial vehicle is landing, support rod will drive top block, utilize spring to offset the gravity of unmanned aerial vehicle, and when spring is extruded, rack will drive gear rotation, and under the action of limiting structure, gear is fixed, avoid spring rebound, make unmanned aerial vehicle unstable.

[0013] By the cooperation of fixed shell, slide rod and sliding block, since support rod has a certain angle when it is placed, when it extrudes spring, sliding block will move on the outer wall of slide rod, and extrude protection spring, make support rod stable when moving, utilize protection spring to offset kinetic energy, make unmanned aerial vehicle stable when landing. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the structure schematic view of the utility model;

[0015] Figure 2 It is the appearance schematic view of the utility model;

[0016] Figure 3 It is Figure 1 The structure schematic view of installation shell, fixed plate and ratchet in;

[0017] Figure 4 It is Figure 1 The structure schematic view of installation plate, support rod and fixed shell in.

[0018] In the drawing: 1, installation plate;2, buffer structure;21, support rod;22, top block;23, spring;24, mounting rod;25, rack;26, gear;27, limiting structure;271, ratchet;272, buckle;273, tension spring;274, pull rope;3, protection structure;31, fixed shell;32, slide rod;33, sliding block;34, protection spring;11, connecting piece;12, installation shell;13, fixed plate;14, limiting column. DETAILED DESCRIPTION

[0019] The technical scheme in the utility model embodiment will be described clearly and completely in combination with the drawings in the utility model embodiment, obviously, the described embodiment is only a part of the embodiment of the utility model, not all the embodiment. Based on the embodiment in the utility model, all other embodiments obtained by the person skilled in the art without creative labor are within the protection scope of the utility model.

[0020] In actual use, because the agricultural unmanned aerial vehicle is heavy due to the pesticide remaining in the bottom pesticide tank when landing, the unmanned aerial vehicle is damaged due to the improper operation and the large stress on the bottom support when landing.

[0021] Therefore, the unmanned aerial vehicle landing buffer device is provided, which solves the problem that the unmanned aerial vehicle is damaged due to the improper operation and the large stress on the bottom support when landing.

[0022] Through the connection of the parts in the case by the person skilled in the art, the specific connection and operation sequence should be referred to the working principle described below, and the detailed connection means is the known technology in the art, and the working principle and process are mainly introduced below.

[0023] Embodiment one: by Figures 1-4 It can be seen that the unmanned aerial vehicle landing buffer device comprises a mounting plate 1, a mounting shell 12 is arranged below the mounting plate 1, a buffer structure 2 is arranged in the mounting shell 12, the buffer structure 2 comprises a support rod 21, the support rod 21 is arranged at the bottom of the mounting plate 1 and is inserted into the top of the mounting shell 12, a top block 22 is fixedly connected to one end of the support rod 21 extending into the mounting shell 12 and movably connected to the inner wall of the mounting shell 12, a spring 23 is abutted between the top block 22 and the mounting shell 12, a mounting rod 24 is inserted into the inner wall of the spring 23 and fixedly connected to the bottom of the top block 22, and the side away from the top block 22 is movably connected to the inner wall of the mounting shell 12, a rack 25 is fixedly connected to the bottom of the mounting rod 24, a gear 26 is meshingly connected to the outer wall of the rack 25 and rotatably connected to the inner wall of the mounting shell 12 through a bearing, and a limiting structure 27 is arranged on the outer wall of the gear 26; through the cooperation of the support rod 21 and the top block 22, the spring 23 is extruded, the mounting rod 24 drives the rack 25 to move, the gear 26 rotates, and the limiting structure 27 fixes the gear 26.

[0024] In the specific implementation process, it is particularly worth pointing out that the mounting plate 1 is mounted at the bottom of the unmanned aerial vehicle, and when the unmanned aerial vehicle lands, the support rod 21 drives the top block 22 to extrude the spring 23, the mounting rod 24 drives the rack 25 to move, the meshing between the rack 25 and the gear 26 drives the gear 26 to rotate, and the limiting structure 27 fixes the gear 26 to avoid the reverse rotation of the gear 26 driven by the rack 25 under the extrusion of the spring 23, and the mounting plate 1 rebounds to the unmanned aerial vehicle;

[0025] Further, the limiting structure 27 comprises: a ratchet wheel 271 fixedly connected to the back of the gear 26 and rotatably connected to the inner wall of the mounting shell 12 through a bearing; a buckle 272 rotatably connected to the inner wall of the mounting shell 12 through a pin shaft and clamped to the outer wall of the ratchet wheel 271; a tension spring 273 installed between the buckle 272 and the mounting shell 12; and a pull rope 274 installed above the outer wall of the buckle 272 and penetrating through the side wall of the mounting shell 12; wherein the buckle 272 is clamped to the outer wall of the ratchet wheel 271 through cooperation of the tension spring 273 and the pull rope 274.

[0026] In the specific implementation process, it is worth pointing out that when the ratchet wheel 271 rotates, the buckle 272 moves on the outer wall of the ratchet wheel 271, and when the rotation stops, the buckle 272 is clamped in the ratchet teeth of the ratchet wheel 271 under the action of the tension spring 273, thereby preventing the ratchet wheel 271 from rotating in the reverse direction; conversely, pulling the pull rope 274 separates the buckle 272 from the ratchet wheel 271, so that the ratchet wheel 271 can rotate in the reverse direction.

[0027] Further, the bottom of the rack 25 is inserted into the limiting column 14, the bottom of the limiting column 14 is fixedly connected with the fixed plate 13, and the top of the fixed plate 13 is fixedly connected to the bottom of the mounting shell 12 through a bolt.

[0028] In the specific implementation process, it is worth pointing out that when the rack 25 is lifted, the limiting column 14 moves in the interior of the rack 25, thereby stabilizing the rack 25 during movement.

[0029] Specifically, when the unmanned aerial vehicle landing buffer device is used, the mounting plate 1 is installed at the bottom of the unmanned aerial vehicle, when landing, the supporting rod 21 drives the top block 22 to press the spring 23, the mounting rod 24 drives the rack 25 to move, and the rack 25 meshes with the gear 26 to drive the gear 26 to rotate; when the gear 26 rotates, the ratchet wheel 271 rotates synchronously, and when the ratchet wheel 271 does not rotate, the buckle 272 is clamped to the outer wall of the ratchet wheel 271 under the action of the tension spring 273, thereby preventing the ratchet wheel 271 from rotating in the reverse direction; conversely, pulling the pull rope 274 separates the buckle 272 from the ratchet wheel 271, so that the ratchet wheel 271 can rotate in the reverse direction; when the rack 25 is lifted, the limiting column 14 moves in the interior of the rack 25, thereby stabilizing the rack 25 during movement.

[0030] Embodiment two: by Figures 1-4It can be known that the top of the supporting rod 21 is provided with the protection structure 3, the protection structure 3 comprises: the fixed shell 31 fixedly connected to the bottom of the mounting plate 1; the sliding rod 32 fixedly connected to the inner wall of the fixed shell 31; the sliding block 33 fixedly connected to the top of the supporting rod 21 and movably connected to the outer wall of the sliding rod 32; the protection spring 34 sleeved to the outer wall of the sliding rod 32 and abutting between the sliding block 33 and the fixed shell 31; wherein the sliding block 33 moves on the outer wall of the sliding rod 32 through the cooperation of the fixed shell 31 and the protection spring 34;

[0031] In the specific implementation process, it is worth pointing out that, since the supporting rod 21 has a certain angle when it is placed, when it extrudes the spring 23, the sliding block 33 will move on the outer wall of the sliding rod 32 and extrude the protection spring 34, so that the supporting rod 21 is stable when moving, and when the gravity disappears, the sliding block 33 is reset under the extrusion of the protection spring 34;

[0032] Further, the top of the mounting plate 1 is provided with the connecting piece 11;

[0033] In the specific implementation process, it is worth pointing out that the connecting piece 11 is installed on the top of the mounting plate 1, and the buffer device is installed at the bottom of the unmanned aerial vehicle by using the connecting piece 11, and the connecting piece 11 can be a clamping plate clamped on the cross rod at the bottom of the unmanned aerial vehicle and clamped by bolts, or any structure matched with the main body of the unmanned aerial vehicle, as long as the buffer device can be installed at the bottom of the unmanned aerial vehicle, and the present embodiment only provides one implementation manner, not all embodiments;

[0034] Specifically, on the basis of the above embodiment, when the buffer device is installed, the connecting piece 11 is used to fix it at the bottom of the unmanned aerial vehicle, and when the buffer is used, the sliding block 33 extrudes the protection spring 34, so that the supporting rod 21 is stable when extruded.

[0035] It should be noted that, in the present text, relational terms such as first and second and the like are used merely to differentiate one entity or action from another, without necessarily requiring or implying any actual such relationship or order between or among the entities or actions. Also, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, so that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without more limitations, the statement "comprises a limited element" does not exclude the presence of additional identical elements in the process, method, article, or apparatus that includes the stated element.

[0036] In the utility model, unless another definite provision and limitation, the term "installation", "arrangement", "connection", "fixation", "screw connection" and so on term should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electrical connection;Can be direct connection, also can indirectly connect through intermediate medium, can be two element inside's intercommunication or two element's mutual action relation, unless another definite limitation, for the ordinary skill of the art, can understand the above-mentioned term in the utility model specific meaning according to specific circumstances.

[0037] Although the embodiments of the utility model have been shown and described, it will be appreciated by those of ordinary skill in the art that various changes, modifications, alternatives, and variations can be made thereto without departing from the principles and spirit of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An unmanned aerial vehicle landing cushioning device comprising a mounting plate (1), characterized in that: The lower part of the mounting plate (1) is provided with a mounting shell (12), the inside of the mounting shell (12) is provided with a buffering structure (2), the buffering structure (2) comprises: A supporting rod (21) is mounted at the bottom of the mounting plate (1) and is inserted into the top of the mounting shell (12); A top block (22) is fixedly connected to one end of the supporting rod (21) extending into the inside of the mounting shell (12) and is movably connected to the inner wall of the mounting shell (12); A spring (23) is abutted between the top block (22) and the mounting shell (12); A mounting rod (24) is inserted into the inner wall of the spring (23) and is fixedly connected to the bottom of the top block (22), and the side away from the top block (22) is movably connected to the inner wall of the mounting shell (12); A rack (25) is fixedly connected to the bottom of the mounting rod (24); A gear (26) is meshingly connected to the outer wall of the rack (25) and is rotatably connected to the inner wall of the mounting shell (12) through a bearing; A limiting structure (27) is mounted on the outer wall of the gear (26); The spring (23) is extruded by the cooperation of the supporting rod (21) and the top block (22), the mounting rod (24) drives the rack (25) to move, and the gear (26) rotates, and the limiting structure (27) fixes the gear (26).

2. The unmanned aerial vehicle landing cushioning device of claim 1, wherein: The limiting structure (27) comprises: A ratchet wheel (271) is fixedly connected to the back of the gear (26) and is rotatably connected to the inner wall of the mounting shell (12) through a bearing; A buckle (272) is rotatably connected to the inner wall of the mounting shell (12) through a pin shaft and is clamped to the outer wall of the ratchet wheel (271); A tension spring (273) is mounted between the buckle (272) and the mounting shell (12); A pull rope (274) is mounted above the outer wall of the buckle (272) and penetrates through the side wall of the mounting shell (12); The buckle (272) is clamped to the outer wall of the ratchet wheel (271) by the cooperation of the tension spring (273) and the pull rope (274).

3. The unmanned aerial vehicle landing cushioning device of claim 1, wherein: The bottom of the rack (25) is inserted into a limiting column (14), the bottom of the limiting column (14) is fixedly connected with a fixed plate (13), and the top of the fixed plate (13) is fixedly connected to the bottom of the mounting shell (12) through a bolt.

4. The unmanned aerial vehicle landing cushioning device of claim 1, wherein: The top of the supporting rod (21) is provided with a protection structure (3), and the protection structure (3) comprises: A fixed shell (31) is fixedly connected to the bottom of the mounting plate (1); A sliding rod (32) is fixedly connected to the inner wall of the fixed shell (31); A sliding block (33) is fixedly connected to the top of the supporting rod (21) and is movably connected to the outer wall of the sliding rod (32); A protection spring (34) is sleeved on the outer wall of the sliding rod (32) and is abutted between the sliding block (33) and the fixed shell (31); The sliding block (33) moves on the outer wall of the sliding rod (32) by the cooperation of the fixed shell (31) and the protection spring (34).

5. The unmanned aerial vehicle landing cushioning device of claim 1, wherein: The top of the mounting plate (1) is provided with a connecting piece (11).

Images