CN116002049B - Survey and drawing unmanned aerial vehicle is with buffering leveling foot rest - Google Patents

Abstract

The invention discloses a buffering and leveling foot rest for a surveying and mapping unmanned aerial vehicle, which comprises a type fixing frame, wherein the type fixing frame is arranged at the bottom of the unmanned aerial vehicle, a surveying and mapping instrument is arranged on the unmanned aerial vehicle, a landing buffer mechanism is arranged on the type fixing frame, an inflatable floating mechanism is arranged on the landing buffer mechanism, and a leveling mechanism is arranged on the type fixing frame; the landing buffer mechanism comprises a buffer slide block, a hinge part and a buffer part; the leveling mechanism comprises a motor, a transmission part and a leveling part; the inflatable floating mechanism comprises an inflator pump, an inflatable airbag and a shielding part. The invention has the beneficial effects that the impact force of the unmanned aerial vehicle during landing is reduced, the leveling mechanism adjusts the heights of the buffer support legs at the four corners, the unmanned aerial vehicle can be leveled, the landing ground of the unmanned aerial vehicle is prevented from being unevenly toppled, the damage to mapping equipment is prevented, the unmanned aerial vehicle can float on the water surface, the unmanned aerial vehicle is prevented from falling into the water under special conditions, and the application range is improved.

Description

Survey and drawing unmanned aerial vehicle is with buffering leveling foot rest

Technical Field

The invention relates to the technical field of unmanned aerial vehicle foot frames, in particular to a buffering leveling foot frame for a unmanned aerial vehicle.

Background

The mapping is to measure and draw, based on computer technology, photoelectric technology, network communication technology, space science and information science, and global navigation satellite positioning system, remote sensing and geographic information system as the technical cores, and to obtain the graph and position information reflecting the ground current situation by measuring the existing characteristic points and boundaries of the ground for the planning design and administration management of engineering construction. Due to the topography factors and along with the progress of science and technology, unmanned aerial vehicle aerial mapping is carried out at present, and unmanned aerial vehicle aerial mapping is a powerful supplement of traditional aerial photogrammetry means, and has the characteristics of flexibility, high efficiency, rapidness, fineness, accuracy, low operation cost, wide application range, short production period and the like.

Most of the existing unmanned aerial vehicle foot frames are of fixed structures, no buffer mechanism is arranged to enable the unmanned aerial vehicle to be damaged easily when falling, surveying and mapping instruments on the unmanned aerial vehicle are precise, cost is high, and the surveying and mapping instruments are damaged easily when being subjected to vibration, impact force and collision.

The existing unmanned aerial vehicle foot rest, for example, the Chinese patent literature with the application number of CN202211211672.8, can only reduce the problem that the impact force of an engine body is too big when an unmanned aerial vehicle lands, however, the unmanned aerial vehicle for surveying and mapping is more in mountain areas, the ground in the mountain areas is uneven, the unmanned aerial vehicle is easy to topple over when lands, and the unmanned aerial vehicle is easy to damage surveying and mapping equipment and has a small application range.

Disclosure of Invention

Aiming at the defects, the invention provides a buffering and leveling foot rest for a surveying and mapping unmanned aerial vehicle, which solves the problems.

In order to achieve the above purpose, the present invention adopts the following technical scheme:

the utility model provides a survey and drawing unmanned aerial vehicle is with buffering leveling foot rest, includes type mount, type mount is installed in unmanned aerial vehicle bottom, install the surveying instrument on the unmanned aerial vehicle, be equipped with descending buffer gear on the type mount, be equipped with on the descending buffer gear and aerify floating mechanism, be equipped with leveling mechanism on the type mount;

the landing buffer mechanism comprises a buffer slide block, a hinge part and a buffer part, wherein the buffer part comprises buffer support legs, a buffer slide groove and a buffer spring, and the buffer slide block is used for buffering the unmanned aerial vehicle during landing through the buffer spring;

the leveling mechanism comprises a motor, a transmission part and a leveling part, wherein the motor drives the buffer support leg to adjust up and down through the transmission part and the leveling part;

the inflatable floating mechanism comprises an inflator pump, an inflatable air bag and a shielding part, wherein the inflatable air bag is inflated through the inflator pump, and the inflatable air bag stretches out of the buffering support legs while being inflated.

Further, the open end and the unmanned aerial vehicle bottom fixed connection of type mount, buffering slider and buffering spout sliding connection, articulated part is including installing the articulated elements at type mount vertical arm end, and the articulated elements rotates with type mount to be connected with the articulated head, rotates on type mount to be connected with the articulated head, and the articulated head is located the articulated elements below, installs articulated post one on the buffering slider, installs articulated post two on the buffering slider, and articulated post is located articulated post below, and articulated elements one end fixed mounting has the support arm, and articulated elements one end and articulated post one are kept away from to the support arm are articulated to be connected, installs the connecting rod on the articulated head, and articulated head one end and articulated post two are kept away from to the connecting rod and are articulated to be connected.

Further, the motor is installed on type mount, and the motor is located drive portion one side, drive portion is including installing two bearing frames on type mount, and threaded screw is installed to the bearing frame inner circle, and driven gear is installed to threaded screw center department, and driven gear is located two bearing frame centers, and fixed mounting has the driving gear on the output of motor, and driving gear and driven gear interlock.

Further, the leveling part comprises two sliding blocks which are connected onto the threaded screw rod in a threaded manner, the two sliding blocks are connected onto two sides of the threaded screw rod in a threaded manner respectively, the top of each sliding block is hinged with a leveling rod, and one end, far away from the sliding block, of each leveling rod is hinged with the center of the connecting rod.

Further, be equipped with on the buffering stabilizer blade and accomodate the recess, accomodate the recess and be located buffering spout rear end, accomodate the recess opening downwards, the pump is installed and is accomodating the recess roof, is accomodate and is installed the fixing base in the recess, and the gasbag is installed in the fixing base below, and the gas tube is installed to the output of pump, and gas tube one end runs through the fixing base and is connected with the gasbag, shelter from the portion including opening the fixed recess in buffering stabilizer blade bottom, fixed recess is located and accomodates the recess below, and fixed recess one side rotates and is connected with the dwang, installs the shielding plate on the dwang, and powerful magnet is installed to the fixed recess opposite side, and the shielding plate is connected with powerful magnet magnetic force.

Further, a distance sensor is arranged on the buffer support leg, the detection end of the distance sensor is downward, and a plurality of ventilation holes are formed in the type fixing frame.

Further, the buffer slide block, the hinge part and the buffer part are arranged in two groups, the first group is distributed on two sides of the vertical arm end at the front end of the type fixing frame, the second group is distributed on two sides of the vertical arm end at the rear end of the type fixing frame, the motor, the transmission part and the leveling part are arranged in two groups, the leveling rod of the first group is hinged with the connecting rod of the first group, and the leveling rod of the second group is hinged with the connecting rod of the second group.

Further, the buffering stabilizer blade is last to be equipped with spacing spout, and spacing spout is located buffering spout both sides, and spacing slider is installed to buffering slider both sides, and spacing slider stretches into spacing spout in with spacing spout sliding connection.

Further, the buffer spring is provided with two upper and lower ends which are distributed on the buffer sliding block, one end of the buffer spring is fixedly connected with the buffer sliding groove, and the other end of the buffer spring is fixedly connected with the buffer sliding block.

The beneficial effects of the invention are as follows: the buffer sliding block slides up and down in the buffer part, and the buffer spring buffers the impact force, so that the impact force when the unmanned aerial vehicle falls is reduced; the leveling mechanism adjusts the heights of the buffer support legs at four corners when the unmanned aerial vehicle falls, the buffer support legs are contacted with the ground to level the unmanned aerial vehicle, uneven falling of the ground of the unmanned aerial vehicle is prevented, and damage to mapping equipment is prevented;

the inflatable air bag is inflated through the inflator pump, the shielding plate is pushed open by the inflatable air bag and extends out of the storage groove, the unmanned aerial vehicle can float on the water surface through the inflatable air bag, the unmanned aerial vehicle is prevented from falling into the water under special conditions, and the application range is improved.

Drawings

FIG. 1 is a schematic structural view of a buffering leveling foot stand for a surveying and mapping unmanned aerial vehicle;

fig. 2 is a cross-sectional view of a type mount;

FIG. 3 is a schematic illustration of the adjustment of the leveling mechanism;

fig. 4 is an enlarged view at a in fig. 2;

fig. 5 is an enlarged view at B in fig. 2;

FIG. 6 is a top view of a leveling mechanism;

FIG. 7 is a schematic view of an inflatable flotation mechanism;

fig. 8 is an enlarged view at C in fig. 7;

in the figure, 1, an unmanned plane; 2. a mapping instrument; 3. fixing frame; 4. a buffer slider; 5. a hinge part; 6. a buffer section; 7. buffer support legs; 8. buffering sliding grooves; 9. a buffer spring; 10. a motor; 11. a transmission part; 12. a leveling section; 13. an inflator pump; 14. an inflatable airbag; 15. a shielding part; 16. a hinge; 17. a hinge joint; 18. a first hinge post; 19. a second hinge post; 20. a support arm; 21. a connecting rod; 22. a bearing seat; 23. a threaded screw rod; 24. a driven gear; 25. a drive gear; 26. a slide block; 27. leveling rod; 28. a receiving groove; 29. a fixing seat; 30. an inflation tube; 31. a fixing groove; 32. a rotating lever; 33. a shielding plate; 34. a strong magnet; 35. a distance sensor; 36. limiting sliding grooves; 37. a limit sliding block; 38. and (5) ventilation holes.

Detailed Description

In order that the above objects, features and advantages of the invention will be readily understood, a more particular description of the invention will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the invention, whereby the invention is not limited to the specific embodiments disclosed below.

The embodiment of the application provides a survey and drawing unmanned aerial vehicle is with buffering leveling foot rest, please refer to fig. 1-8: the unmanned aerial vehicle comprises a type fixing frame 3, wherein the type fixing frame 3 is arranged at the bottom of an unmanned aerial vehicle 1, a surveying instrument 2 is arranged on the unmanned aerial vehicle 1, a landing buffer mechanism is arranged on the type fixing frame 3, an inflatable floating mechanism is arranged on the landing buffer mechanism, and a leveling mechanism is arranged on the type fixing frame 3;

the landing buffer mechanism comprises a buffer slide block 4, a hinge part 5 and a buffer part 6, wherein the buffer part 6 comprises buffer support legs 7, buffer sliding grooves 8 and buffer springs 9, and the buffer slide block 4 buffers the unmanned aerial vehicle 1 during landing through the buffer springs 9;

the leveling mechanism comprises a motor 10, a transmission part 11 and a leveling part 12, wherein the motor 10 drives the buffer support leg 7 to adjust up and down through the transmission part 11 and the leveling part 12;

the inflatable floating mechanism comprises an inflator pump 13, an inflatable bag 14 and a shielding part 15, the inflatable bag 14 is inflated through the inflator pump 13, and the inflatable bag 14 stretches out of the buffering support legs 7 while being inflated.

Specifically in practical application, survey and drawing are carried out through surveying instrument 2 on unmanned aerial vehicle 1, type mount 3 and the buffering stabilizer blade 7 of unmanned aerial vehicle 1 bottom have increased unmanned aerial vehicle's height, unmanned aerial vehicle 1 can be in the meadow, the higher ground of weeds is fallen, and improved the suitability, unmanned aerial vehicle 1 can adjust the buffering stabilizer blade 7 of four corners department when descending, can adjust the height of four corners department buffering stabilizer blade 7 respectively, be in the horizontally position when making unmanned aerial vehicle 1 land to ground, be applicable to uneven ground, prevent that the uneven unmanned aerial vehicle 1 in ground from empting, buffer the impact force when descending through descending buffer gear, impact force and vibrations when reducing the descending, buffering stabilizer blade 7 can be in the vertically position all the time, shock attenuation buffering effect has been improved, can make unmanned aerial vehicle 1 land float on the surface of water through inflating floating mechanism, prevent unmanned aerial vehicle 1 from sinking to the aquatic, application scope has been improved.

Referring to the description of fig. 1, the description of fig. 2 and the description of fig. 3, the open end of type mount 3 is fixedly connected with unmanned aerial vehicle 1 bottom, buffering slider 4 and buffering spout 8 sliding connection, articulated part 5 is including installing articulated piece 16 at type mount 3 vertical arm end, articulated piece 16 and type mount 3 rotate to be connected, be connected with articulated joint 17 on type mount 3, articulated joint 17 is located articulated piece 16 below, install hinge post one 18 on buffering slider 4, install hinge post two 19 on buffering slider 4, hinge post two is located hinge post one 18 below, hinge piece 16 one end fixed mounting has support arm 20, support arm 20 keeps away from articulated piece 16 one end and is connected with hinge post one 18, install connecting rod 21 on the articulated joint 17, connecting rod 21 keeps away from articulated joint 17 one end and is connected with hinge post two 19 in a hinged manner.

Specifically in practical application, unmanned aerial vehicle 1 is when descending, buffering stabilizer blade 7 and ground contact, buffer slide 4 can slide in the buffering spout 8 on buffering stabilizer blade 7, impact force when descending is buffered through buffer spring 9, impact force and vibrations when reducing the descending protect surveying instrument 2 on unmanned aerial vehicle 1, prevent surveying instrument 2 from receiving vibrations, the too big damage of impact force, the life of surveying instrument 2 has been improved, through support arm 20 and connecting rod 21 of articulated setting, make buffering stabilizer blade 7 no matter how height is adjusted, buffering stabilizer blade 7 is in the vertically position all the time, the shock attenuation buffering effect has been improved.

Referring to fig. 2, fig. 3, fig. 4 and fig. 6 of the specification, the motor 10 is mounted on the type fixing frame 3, the motor 10 is located at one side of the transmission part 11, the transmission part 11 comprises two bearing seats 22 mounted on the type fixing frame 3, a threaded screw rod 23 is mounted on the inner ring of the bearing seats 22, a driven gear 24 is mounted at the center of the threaded screw rod 23, the driven gear 24 is located at the center of the two bearing seats 22, a driving gear 25 is fixedly mounted on the output end of the motor 10, and the driving gear 25 is meshed with the driven gear 24.

In practical application, the motor 10 drives the driving gear 25 to rotate, the driving gear 25 is meshed with the driven gear 24 to drive the driven gear 24 to rotate, and the driven gear 24 drives the threaded screw 23 to rotate on the bearing seat 22.

Referring to fig. 2 of the specification and fig. 3 of the specification, the leveling part 12 comprises two sliding blocks 26 which are connected to the threaded screw rod 23 in a threaded manner, the two sliding blocks 26 are respectively connected to two sides of the threaded screw rod 23 in a threaded manner, a leveling rod 27 is hinged to the top of each sliding block 26, and one end, far away from the sliding block 26, of each leveling rod 27 is hinged to the center of the connecting rod 21.

Specifically in practical application, when the screw thread lead screw 23 rotates, the driving slide block 26 moves along the screw thread groove on the screw thread lead screw 23, two slide blocks 26 on the screw thread lead screw 23 move simultaneously, the moving directions of two slide blocks 26 are the same, the left slide block 26 moves leftwards and makes the left buffer support leg 7 move upwards through the connecting rod 21, the right slide block 26 moves leftwards and makes the right buffer support leg 7 move downwards through the connecting rod 21, otherwise, the right slide block 26 moves rightwards and makes the right buffer support leg 7 move upwards through the connecting rod 21, the unmanned aerial vehicle 1 can adjust the height of the buffer support leg 7 at four corners according to the flatness of the ground during landing, can level, make the smooth landing of the unmanned aerial vehicle 1 on the ground, prevent the uneven toppling of the ground that the unmanned aerial vehicle lands, prevent to cause the damage to mapping equipment 2, and is applicable to different uneven ground landings.

Referring to fig. 7 of the specification and fig. 8 of the specification, a storage groove 28 is formed in the buffer support leg 7, the storage groove 28 is located at the rear end of the buffer slide groove 8, an opening of the storage groove 28 is downward, an inflator 13 is mounted on the top wall of the storage groove 28, a fixing seat 29 is mounted in the storage groove 28, an inflatable bag 14 is mounted below the fixing seat 29, an inflatable tube 30 is mounted at the output end of the inflator 13, one end of the inflatable tube 30 penetrates through the fixing seat 29 to be connected with the inflatable bag 14, the shielding part 15 comprises a fixing groove 31 which is formed in the bottom of the buffer support leg 7, the fixing groove 31 is located below the storage groove 28, a rotating rod 32 is connected to one side of the fixing groove 31 in a rotating mode, a shielding plate 33 is mounted on the rotating rod 32, a powerful magnet 34 is mounted on the other side of the fixing groove 31, and the shielding plate 33 is magnetically connected with the powerful magnet 34.

Specifically in practical application, when unmanned aerial vehicle 1 electric quantity is not enough, or meet the emergency and need to descend at the surface of water, pump 13 begins to work, pump 13 is inflated to the gasbag 14 through gas tube 30, the gasbag 14 that inflates after inflating, the gasbag 14 that inflates exerts pressure to shielding plate 33, shielding plate 33 and powerful magnet 34 disconnection magnetic force are connected, shielding plate 33 is opened through dwang 32 upset and is accomodate recess 28, the gasbag 14 stretches out after the inflation and accomodates recess 28, the gasbag 14 is in buffering stabilizer blade 7 below, can make unmanned aerial vehicle 1 descend through the gasbag 14 and float on the surface of water, prevent unmanned aerial vehicle 1 to sink to the aquatic, application scope has been improved.

Referring to fig. 1 and 7 of the specification, the buffer leg 7 is provided with a distance sensor 35, the detection end of the distance sensor 35 is downward, and the type fixing frame 3 is provided with a plurality of ventilation holes 38.

In practical application, the position away from the ground is detected by the distance sensor 35, the heights of the buffer support legs 7 at the four corners are adjusted in real time according to the heights at the four corners, air can circulate through the air holes 38, and the wind resistance of the type fixing frame 3 to the unmanned aerial vehicle 1 is reduced.

Referring to fig. 5 of the specification, the buffer leg 7 is provided with a limit chute 36, the limit chute 36 is positioned at two sides of the buffer chute 8, two sides of the buffer slider 4 are provided with limit sliders 37, and the limit sliders 37 extend into the limit chute 36 and are in sliding connection with the limit chute 36.

In practical application, when the buffer slide block 4 slides in the buffer slide groove 8, the buffer slide block 4 drives the limit slide block 37 to slide in the limit slide groove 36, the up-and-down movement of the buffer slide block 4 is limited through the limit slide block 37, and the buffer slide block 4 is prevented from falling off from the buffer slide groove 8, so that the safety is improved.

The buffer spring 9 is provided with two buffer sliding blocks 4 which are distributed at the upper end and the lower end, one end of the buffer spring 9 is fixedly connected with the buffer sliding groove 8, and the other end of the buffer spring 9 is fixedly connected with the buffer sliding block 4, and the buffer sliding block is provided with reference to the specification figure 1, the specification figure 2, the specification figure 3, the specification figure 5 and the specification figure 7.

In practical application, the two buffer springs 9 are arranged, so that the damping and buffering effects are improved, and the impact force during landing is reduced.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present invention, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

Claims (6)

1. The utility model provides a survey and drawing unmanned aerial vehicle is with buffering leveling foot rest, includes type mount (3), type mount (3) are installed in unmanned aerial vehicle (1) bottom, install surveying instrument (2) on unmanned aerial vehicle (1), its characterized in that, be equipped with descending buffer gear on type mount (3), be equipped with on the descending buffer gear and aerify floating mechanism, be equipped with leveling mechanism on type mount (3);

the landing buffer mechanism comprises a buffer slide block (4), a hinge part (5) and a buffer part (6), wherein the buffer part (6) comprises a buffer support leg (7), a buffer slide groove (8) and a buffer spring (9), and the buffer slide block (4) buffers the unmanned aerial vehicle (1) during landing through the buffer spring (9);

the leveling mechanism comprises a motor (10), a transmission part (11) and a leveling part (12), wherein the motor (10) drives the buffer support leg (7) to adjust up and down through the transmission part (11) and the leveling part (12);

the inflatable floating mechanism comprises an inflator pump (13), an inflatable air bag (14) and a shielding part (15), the inflatable air bag (14) is inflated through the inflator pump (13), and the inflatable air bag (14) stretches out of the buffering support legs (7) while being inflated;

the opening end of the type fixing frame (3) is fixedly connected with the bottom of the unmanned aerial vehicle (1), the buffering sliding block (4) is in sliding connection with the buffering sliding groove (8), the hinge part (5) comprises a hinge piece (16) arranged at the vertical arm end of the type fixing frame (3), the hinge piece (16) is rotationally connected with the type fixing frame (3), the type fixing frame (3) is rotationally connected with a hinge joint (17), the hinge joint (17) is arranged below the hinge piece (16), the buffering sliding block (4) is provided with a hinge post I (18), the buffering sliding block (4) is provided with a hinge post II (19), the hinge post II (19) is arranged below the hinge post I (18), one end of the hinge piece (16) is fixedly provided with a supporting arm (20), one end of the supporting arm (20) away from the hinge piece (16) is in hinged connection with the hinge post I (18), the hinge joint (17) is provided with a connecting rod (21), and one end of the connecting rod (21) away from the hinge joint (17) is in hinged connection with the hinge post II (19).

The motor (10) is arranged on a type fixing frame (3), the motor (10) is positioned on one side of a transmission part (11), the transmission part (11) comprises two bearing seats (22) arranged on the type fixing frame (3), a threaded screw (23) is arranged on the inner ring of each bearing seat (22), a driven gear (24) is arranged at the center of each threaded screw (23), the driven gear (24) is positioned at the center of each bearing seat (22), a driving gear (25) is fixedly arranged at the output end of the motor (10), and the driving gears (25) are meshed with the driven gears (24)

The leveling part (12) comprises two sliding blocks (26) which are connected onto the threaded screw rod (23) in a threaded manner, the two sliding blocks (26) are connected onto two sides of the threaded screw rod (23) in a threaded manner respectively, the top of each sliding block (26) is hinged with a leveling rod (27), and one end, far away from the sliding block (26), of each leveling rod (27) is hinged with the center of the connecting rod (21).

2. The buffering leveling foot rest for the unmanned aerial vehicle for surveying and mapping according to claim 1, wherein the buffering support leg (7) is provided with a storage groove (28), the storage groove (28) is located at the rear end of the buffering slide groove (8), an opening of the storage groove (28) is downward, the inflator pump (13) is installed on the top wall of the storage groove (28), a fixing seat (29) is installed in the storage groove (28), the inflatable bag (14) is installed below the fixing seat (29), an inflatable tube (30) is installed at the output end of the inflator pump (13), one end of the inflatable tube (30) penetrates through the fixing seat (29) to be connected with the inflatable bag (14), the shielding part (15) comprises a fixing groove (31) which is formed in the bottom of the buffering support leg (7), the fixing groove (31) is located below the storage groove (28), one side of the fixing groove (31) is rotationally connected with a rotating rod (32), a shielding plate (33) is installed on the rotating rod (32), a powerful magnet (34) is installed on the other side of the fixing groove (31), and the shielding plate (33) is magnetically connected with the powerful magnet (34).

3. The buffering and leveling foot rest for the unmanned aerial vehicle for surveying and mapping according to claim 1, wherein the buffering support leg (7) is provided with a distance sensor (35), the detection end of the distance sensor (35) is downward, and the type fixing frame (3) is provided with a plurality of ventilation holes (38).

4. The buffering and leveling foot rest for the unmanned aerial vehicle for surveying and mapping according to claim 1, wherein the buffering sliding blocks (4), the hinging parts (5) and the buffering parts (6) are arranged in two groups, the first group is distributed on two sides of the vertical arm end at the front end of the type fixing frame (3), the second group is distributed on two sides of the vertical arm end at the rear end of the type fixing frame (3), the motor (10), the transmission part (11) and the leveling part (12) are arranged in two groups, the leveling rods (27) of the first group are hinged with the connecting rods (21) of the first group, and the leveling rods (27) of the second group are hinged with the connecting rods (21) of the second group.

5. The buffering leveling foot rest for the unmanned aerial vehicle for surveying and mapping according to claim 1, wherein the buffering support legs (7) are provided with limiting sliding grooves (36), the limiting sliding grooves (36) are located on two sides of the buffering sliding grooves (8), limiting sliding blocks (37) are installed on two sides of the buffering sliding blocks (4), and the limiting sliding blocks (37) extend into the limiting sliding grooves (36) to be in sliding connection with the limiting sliding grooves (36).

6. The buffering and leveling foot rest for the unmanned aerial vehicle for surveying and mapping according to claim 1, wherein the buffering springs (9) are arranged at the upper end and the lower end of the buffering sliding block (4), one end of each buffering spring (9) is fixedly connected with the buffering sliding groove (8), and the other end of each buffering spring (9) is fixedly connected with the buffering sliding block (4).

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