CN212149279U

CN212149279U - Unmanned aerial vehicle undercarriage shock-absorbing structure

Info

Publication number: CN212149279U
Application number: CN202020735515.7U
Authority: CN
Inventors: 孙洪喜
Original assignee: Zhongke Yuantuo Technology Co ltd
Current assignee: Zhongke Yuantuo Technology Co ltd
Priority date: 2020-05-07
Filing date: 2020-05-07
Publication date: 2020-12-15
Anticipated expiration: 2030-05-07

Abstract

The utility model discloses an unmanned aerial vehicle undercarriage shock-absorbing structure, including fixing the base on the undercarriage, fixed mounting has the sill bar on the base, install the pole setting through stop gear and two block mechanisms on the sill bar, there are two loop bars through surge tank fixed mounting in the pole setting, the upper end fixed mounting of sill bar has two spring arms, and the upper end of two spring arms is located corresponding loop bar respectively, install two slide mechanism between base and the surge tank, there is the atress board through two supporting box fixed mounting in the surge tank, two atress boards all have the clamp plate through two snubber blocks and shock attenuation sponge fixed mounting, and the one end that the snubber block was kept away from to two clamp plates is fixed mutually with two spring arms respectively. Has the advantages that: reasonable in design, simple structure can turn into the vibrations of the vertical direction that receives into the effort of horizontal direction and offset through multiple shock attenuation, can effectually alleviate the injury that vibrations brought, play the effect of protection unmanned aerial vehicle undercarriage.

Description

Unmanned aerial vehicle undercarriage shock-absorbing structure

Technical Field

The utility model relates to an unmanned aerial vehicle absorbing technical field especially relates to an unmanned aerial vehicle undercarriage shock-absorbing structure.

Background

An unmanned aerial vehicle is a flying machine controlled by a computer, and is widely applied to the fields of military, agriculture, weather, civil use and the like, the unmanned aerial vehicle can generate vibration when finishing work and landing, and a certain damping structure is usually installed to offset the vibration, so that the damage of the vibration to the unmanned aerial vehicle is reduced;

current damper installs the bottom at unmanned aerial vehicle additional usually, and this kind of shock attenuation mode is emphatically gone on the unmanned aerial vehicle fuselage, but is limited to the protection effect of unmanned aerial vehicle undercarriage, only carries out simple spring shock attenuation to the undercarriage, and does not handle the counter-force after the shock attenuation, has great limitation, consequently needs to design an unmanned aerial vehicle undercarriage shock-absorbing structure and solves above-mentioned problem urgently.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the shock attenuation effect is not good among the prior art, the counter-force is not handled, and the unmanned aerial vehicle undercarriage shock-absorbing structure who provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an unmanned aerial vehicle undercarriage shock-absorbing structure, including fixing the base on the undercarriage, fixed mounting has the sill bar on the base, install the pole setting through stop gear and two block mechanisms on the sill bar, there are two loop bars through surge tank fixed mounting in the pole setting, the upper end fixed mounting of sill bar has two spring arms, and the upper end of two spring arms is located corresponding loop bar respectively, install two slide mechanism between base and the surge tank, there is the atress board through two supporting box fixed mounting in the surge tank, two atress boards all have the clamp plate through two snubber blocks and shock attenuation sponge fixed mounting, and the one end that the snubber block was kept away from to two clamp plates is fixed mutually with two spring arms respectively.

In foretell undercarriage shock-absorbing structure of unmanned aerial vehicle, slide mechanism includes fixed block of fixed mounting in the surge tank bottom, fixed mounting has two springs on the lateral wall of fixed block, rotate through two pivots on the base and install two carriage release levers, the upper end of carriage release lever is rotated and is installed a movable block, and the movable block passes through the cooperation slidable mounting of stopper and spacing groove on the fixed block, and the both ends of movable block are fixed mutually with two springs respectively, the equal fixed mounting in one side that contacts with the diapire of fixed block has a rubber pad on the movable block.

In foretell an unmanned aerial vehicle undercarriage shock-absorbing structure, stop gear is including seting up the spout in the pole setting, and fixed mounting has one and spout matched with slider on the sill bar, and the terminal surface shape of spout and slider is trapezoidal.

In foretell unmanned aerial vehicle undercarriage shock-absorbing structure, block mechanism includes the lower briquetting of fixed mounting on the sill bar, has a moving member that has the through-hole through the cooperation slidable mounting of shifting chute and saddle in the pole setting, and has placed the bayonet lock on the moving member, installs a bull stick through replying the spring rotation on the moving member, and fixed mounting has a limiting plate on the moving member, and the limiting plate is located the below of replying the spring, installs fixed establishment between pole setting and the moving member.

In foretell unmanned aerial vehicle undercarriage shock-absorbing structure, fixed establishment is including seting up a plurality of draw-in grooves in the pole setting, and the bayonet lock is placed in one of them draw-in groove, and equal fixed mounting has a buckle in every draw-in groove, and bayonet lock and buckle cooperate.

In foretell unmanned aerial vehicle undercarriage shock-absorbing structure, the pole setting internal fixation has two rubber layers, and two rubber layers laminate with two spring levers respectively mutually.

Compared with the prior art, the utility model discloses the advantage lies in:

1: through setting up slide mechanism, when receiving vibrations, the carriage release lever can drive the movable block and slide on the fixed block, and the spring that sets up about can interact and offset power when the movable block removes, utilizes the rubber pad on movable block and the fixed block can the mutual friction further to slowing down vibrations simultaneously, can effectually play absorbing effect.

2: through setting up block mechanism, the base can extrude the sill bar and drive the sill bar and rise when unmanned aerial vehicle descends, and the sill bar can drive down the briquetting and rise simultaneously, and the limiting plate can carry on spacingly to the lower briquetting, can force the inside of conducting to the pole setting with the vibrations that receive to reducible injury to the undercarriage.

3: through setting up snubber block and clamp plate, fixed mounting has the shock attenuation sponge in the snubber block, and the lower part block of clamp plate on the shock attenuation sponge, can offset the vibrations that the spring beam conduction came through the shock attenuation sponge.

To sum up, the utility model relates to a rationally, simple structure, can turn into the vibrations of the vertical direction that receives the effort of horizontal direction and offset through multiple shock attenuation, can effectually alleviate the injury that vibrations brought, play the effect of protection unmanned aerial vehicle undercarriage.

Drawings

Fig. 1 is a schematic structural view of a shock-absorbing structure of an undercarriage of an unmanned aerial vehicle according to the present invention;

FIG. 2 is an enlarged view of a node at the point A in FIG. 1;

FIG. 3 is an enlarged view of a node at B in FIG. 1;

figure 4 is a schematic view of the connection between the present structure and the landing gear.

In the figure: the damping device comprises a base 1, a rotating shaft 2, a moving rod 3, a moving block 4, a fixed block 5, a spring 6, a damping box 7, a bottom rod 8, a vertical rod 9, a spring rod 10, a loop rod 11, a supporting box 12, a pressing plate 13, a damping block 14, a stress plate 15, a rubber layer 16, a moving piece 17, a rotating rod 18, a return spring 19, a limiting plate 20, a lower pressing block 21, a bayonet 22, a buckle 23 and a rubber pad 24.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, an unmanned aerial vehicle undercarriage shock-absorbing structure, including fixing base 1 on the undercarriage, fixed mounting has sill bar 8 on base 1, install pole setting 9 through stop gear and two block mechanisms on the sill bar 8, there are two loop bars 11 through damper box 7 fixed mounting on pole setting 9, the upper end fixed mounting of sill bar 8 has two spring arms 10, and the upper end of two spring arms 10 is located corresponding loop bar 11 respectively, install two slide mechanism between base 1 and the damper box 7, there are stress plate 15 through two supporting box 12 fixed mounting in the damper box 7, two stress plate 15 all have clamp plate 13 through two snubber blocks 14 and shock attenuation sponge fixed mounting, and the one end that snubber block 14 was kept away from to two clamp plates 13 is fixed mutually with two spring arms 10 respectively.

The following points are notable:

1. the clamp plate 13 comprises a montant and two horizontal poles, and one side fixed mounting that the montant was kept away from to the bottom of two horizontal poles has two archs, two bellied bottoms respectively with two snubber blocks 14 in shock attenuation sponge fixed connection, and two protruding blocks make the two can not separate in corresponding snubber block 14, can effectually carry out the absorption of certain degree with the vibrations that spring beam 10 conducted.

2. The two loop bars 11 are both arranged in a 7 shape, so that the vertical force applied to the spring rod 10 can be converted into the horizontal force, and the horizontal force can be offset by the damping block 14, and the vibration can be effectively reduced.

3. The sliding mechanism comprises a fixed block 5 fixedly mounted at the bottom of the shock absorption box 7, two springs 6 are fixedly mounted on the side wall of the fixed block 5, two moving rods 3 are rotatably mounted on the base 1 through two rotating shafts 2, a moving block 4 is rotatably mounted at the upper end of each moving rod 3, the moving block 4 is slidably mounted on the fixed block 5 through the matching of a limiting block and a limiting groove, and two ends of the moving block 4 are fixed with the two springs 6 respectively.

4. One side of the moving block 4, which is in contact with the bottom wall of the fixed block 5, is fixedly provided with a rubber pad 24; the moving block 4 and the rubber pad 24 on the fixed block 5 can rub against each other to eliminate the force caused by vibration, thereby effectively playing a role of shock absorption

5. Stop gear is including seting up the spout in pole setting 9, and fixed mounting has a slider with spout matched with on sill bar 8, and the terminal surface shape of spout and slider is trapezoidal, can make sill bar 8 slide in pole setting 9 when the effect of received force, and can not separate with pole setting 9.

6. Clamping mechanism includes lower briquetting 21 of fixed mounting on the sill bar 8, there is a moving member 17 that has the through-hole in pole setting 9 through the cooperation slidable mounting of shifting chute and saddle, and bayonet lock 22 has been placed on moving member 17, it installs a bull stick 18 to rotate through return spring 19 on the moving member 17, fixed mounting has a limiting plate 20 on the moving member 17, and limiting plate 20 is located return spring 19's below, install fixed establishment between pole setting 9 and the moving member 17, clamping mechanism can fix the sill bar 8 that moves up after receiving vibrations, can stop vibrations and eliminate in pole setting 9 and surge tank 7, and can not produce the counter-force of using on the sill bar 8, thereby play the effect of protection undercarriage.

7. The fixed establishment is including seting up a plurality of draw-in grooves in pole setting 9, and bayonet lock 22 places in one of them draw-in groove, equal fixed mounting has a buckle 23 in every draw-in groove, and bayonet lock 22 cooperatees with buckle 23, after once descending the completion, the rotatable bayonet lock 22 of operating personnel makes separation between bayonet lock 22 and the buckle 23 to take out bayonet lock 22 from the draw-in groove, can remove moving member 17, thereby can separate briquetting 21 and limiting plate 20 down, can make the sill bar 8 get back to the normal position.

8. A plurality of clamping grooves fixedly provided with a buckle 23 are formed in the vertical rod 9, the bayonet 22 is placed in one clamping groove, the bayonet 22 is matched with the buckle 23, two rubber layers 16 are fixedly arranged in the vertical rod 9, the two rubber layers 16 are respectively attached to the two spring rods 10, the rubber layers 16 can rub against the spring rods 10, and vibration is counteracted through generated friction force.

In the utility model, when the unmanned aerial vehicle lands, the undercarriage can receive a vertical upward vibration, and a part of the vibration can be transmitted to the moving block 4 along the two moving rods 3 to push the moving block 4 to slide on the fixed block 5, and can stretch and extrude the springs 6 at two sides, and can rub against the rubber pad 24 at the bottom of the fixed block 5, and the part of the vibration can be counteracted through the friction force and the interaction force between the two springs 6; the other part of vibration can push the bottom rod 8 to rise, meanwhile, the lower pressing block 21 can extrude the rotating rod 18 and continue to move downwards, the rotating rod 18 returns to the original position under the action of the return spring 19, the lower pressing block 21 is limited, the bottom rod 8 is prevented from returning to the original position, the bottom rod 8 rises and can extrude the spring rod 10 to move, the spring rod 10 moves and can push the pressing plate 13 to extrude the damping sponge, the part of longitudinal acting force can be converted into transverse force, and the part of vibration can be counteracted.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The damping structure of the undercarriage of the unmanned aerial vehicle comprises a base (1) fixed on the undercarriage, and is characterized in that a bottom rod (8) is fixedly mounted on the base (1), a vertical rod (9) is mounted on the bottom rod (8) through a limiting mechanism and two clamping mechanisms, two loop bars (11) are fixedly mounted on the vertical rod (9) through a damping box (7), two spring rods (10) are fixedly mounted at the upper end of the bottom rod (8), the upper ends of the two spring rods (10) are respectively located in the corresponding loop bars (11), two sliding mechanisms are mounted between the base (1) and the damping box (7), stress plates (15) are fixedly mounted in the damping box (7) through two supporting boxes (12), and pressing plates (13) are fixedly mounted on the two stress plates (15) through two damping blocks (14) and damping sponge, and one ends of the two pressure plates (13) far away from the damping block (14) are respectively fixed with the two spring rods (10).

2. The unmanned aerial vehicle landing gear shock-absorbing structure of claim 1, wherein the sliding mechanism comprises a fixed block (5) fixedly mounted at the bottom of a shock-absorbing box (7), two springs (6) are fixedly mounted on the side wall of the fixed block (5), two moving rods (3) are rotatably mounted on the base (1) through two rotating shafts (2), a moving block (4) is rotatably mounted at the upper end of each moving rod (3), the moving block (4) is slidably mounted on the fixed block (5) through the matching of a limiting block and a limiting groove, the two ends of the moving block (4) are respectively fixed with the two springs (6), and a rubber pad (24) is fixedly mounted on one side of the moving block (4) which is in contact with the bottom wall of the fixed block (5).

3. The unmanned aerial vehicle undercarriage shock-absorbing structure of claim 1, wherein the limiting mechanism comprises a sliding groove formed in the vertical rod (9), a sliding block matched with the sliding groove is fixedly mounted on the bottom rod (8), and the shapes of the end surfaces of the sliding groove and the sliding block are trapezoidal.

4. The unmanned aerial vehicle undercarriage shock-absorbing structure of claim 1, wherein the clamping mechanism comprises a lower pressing block (21) fixedly mounted on the bottom rod (8), a moving member (17) with a through hole is slidably mounted on the vertical rod (9) through matching of a moving groove and a sliding member, a bayonet (22) is placed on the moving member (17), a rotating rod (18) is rotatably mounted on the moving member (17) through a return spring (19), a limiting plate (20) is fixedly mounted on the moving member (17), the limiting plate (20) is located below the return spring (19), and a fixing mechanism is mounted between the vertical rod (9) and the moving member (17).

5. The unmanned aerial vehicle landing gear shock-absorbing structure of claim 4, wherein the fixing mechanism comprises a plurality of clamping grooves formed in the vertical rod (9), the clamping pin (22) is placed in one of the clamping grooves, a buckle (23) is fixedly installed in each clamping groove, and the clamping pin (22) is matched with the buckle (23).

6. The unmanned aerial vehicle landing gear shock-absorbing structure of claim 1, wherein two rubber layers (16) are fixedly mounted in the vertical rod (9), and the two rubber layers (16) are respectively attached to the two spring rods (10).