Landing chassis structure of surveying unmanned aerial vehicle

Abstract

The landing chassis structure of the surveying unmanned aerial vehicle comprises an installation base, an unmanned aerial vehicle body is connected to the top of the installation base in an inserted mode, and supporting rods are fixedly connected to the front sides and the rear sides of the left side wall and the right side wall of the installation base. Top plates are arranged on the left side and the right side of the lower portion of the mounting base, connecting bases are fixedly connected to the front sides and the rear sides of the tops of the top plates on the left side and the right side, and the connecting bases on the left side and the right side are fixedly connected with the supporting rods on the left side and the right side; the unmanned aerial vehicle connecting mechanism comprises a mounting bin, a gear driven screw rod, a threaded sleeve, a mounting plate, a clamping tenon and a gear driving rod, the landing chassis structure for surveying the unmanned aerial vehicle is reasonable in structural design, the unmanned aerial vehicle can be quickly and conveniently mounted on the landing chassis, time and labor are saved, and the buffering performance of the landing chassis on landing impact force can be effectively improved; and the landing stability of the unmanned aerial vehicle is improved.

Description

TECHNICAL FIELD

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

[0002] Unmanned plane aerial survey is the powerful supplement of traditional aerial photogrammetry, with the characteristics of flexible, efficient, accurate, low operating cost, wide application range, short production cycle, etc., which has obvious advantages in small area and difficult flight area high-resolution image rapid acquisition.

[0003] The shock-absorbing mechanism of the existing landing chassis of the survey unmanned plane is relatively simple in structure, and most of them use springs to buffer the impact force received during the landing of the unmanned plane. However, the spring is prone to resonance after deformation, which affects the stability of the unmanned plane during landing. Moreover, the existing landing chassis of the survey unmanned plane is mostly connected to the unmanned plane by using multiple fixed bolts, which makes it inconvenient to install and disassemble the unmanned plane and the landing chassis. Therefore, we propose a landing chassis structure for survey unmanned plane. SUMMARY

[0004] The utility model aims at providing a landing chassis structure for survey unmanned plane to solve the problem of the existing landing chassis of the survey unmanned plane, which is relatively simple in structure, mostly uses springs to buffer the impact force received during the landing of the unmanned plane, but the spring is prone to resonance after deformation, which affects the stability of the unmanned plane during landing, and the existing landing chassis of the survey unmanned plane is mostly connected to the unmanned plane by using multiple fixed bolts, which makes it inconvenient to install and disassemble the unmanned plane and the landing chassis.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a landing chassis structure for survey unmanned plane, comprising a mounting seat, the top of the mounting seat is inserted with an unmanned plane body, the left and right side walls of the mounting seat are fixedly connected with support rods on the front and back sides, characterized in that the inside of the mounting seat is provided with an unmanned plane connecting mechanism, the lower left and right sides of the mounting seat are provided with a top plate, the top of the left and right sides of the top plate is fixedly connected with a connecting seat on the front and back sides, the left and right sides of the connecting seat are fixedly connected with the left and right sides of the support rod, and the lower side of the top plate is provided with a buffer mechanism.

[0006] Further description of the above technical scheme:

[0007] The unmanned plane connecting mechanism comprises a mounting bin, a gear-driven screw rod, a threaded sleeve, a mounting plate, a tenon, and a gear drive rod.

[0008] Further description of the above technical scheme:

[0009] The installation bin is arranged on the left and right sides of the interior of the mounting seat.

[0010] As a further description of the above technical solution:

[0011] The gear-driven screw rod is rotatably connected to the left and right side walls of the inner cavity of the mounting seat, the ends of the gear-driven screw rods on the left and right sides extend through the mounting seat and into the inner cavities of the installation bins on the left and right sides, and the outer side walls of the gear-driven screw rods on the left and right sides are threadedly connected with threaded sleeves.

[0012] As a further description of the above technical solution:

[0013] The mounting plate is fixedly connected to the ends of the threaded sleeves on the left and right sides, the outer side walls of the mounting plates on the left and right sides are fixedly connected with tenons on the front and back sides, the ends of the tenons on the left and right sides extend through the installation bins on the left and right sides and the unmanned aerial vehicle body and extend into the interior of the mounting seat.

[0014] As a further description of the above technical solution:

[0015] The gear-driven rod is rotatably connected to the rear side wall of the mounting seat, the front end of the gear-driven rod extends through the mounting seat and into the inner cavity of the mounting seat, and the front end of the gear-driven rod is meshingly connected with the gear-driven screw rods on the left and right sides.

[0016] As a further description of the above technical solution:

[0017] The buffer mechanism comprises a connecting plate, a mounting cylinder, a sealing rubber ring, damping oil, a sliding rod, a pressing plate, a liquid permeation hole, a support plate, and a buffer spring.

[0018] As a further description of the above technical solution:

[0019] The connecting plate is fixedly connected to the bottom of the top plate on the left and right sides, and the connecting plates are arranged in sequence from front to back, the bottom of the connecting plate is fixedly connected with a mounting cylinder, the bottom end of the mounting cylinder is bonded with a sealing rubber ring, and the inner cavity of the mounting cylinder is filled with damping oil.

[0020] As a further description of the above technical solution:

[0021] The bottom end of the mounting cylinder is inserted with a sliding rod, the outer side wall of the sliding rod is in contact with the sealing rubber ring, the top end of the sliding rod extends through the mounting cylinder and into the inner cavity of the mounting cylinder, the top end of the sliding rod is fixedly connected with a pressing plate, a liquid permeation hole is formed around the top of the pressing plate, the liquid permeation holes are uniformly distributed, and a support plate is fixedly connected between the bottom ends of the sliding rods in sequence from front to back.

[0022] As a further description of the above technical solution:

[0023] The buffer springs are fixedly connected around the bottom of the connecting plate and are uniformly distributed, and the bottom ends of the buffer springs are fixedly connected with the supporting plate.

[0024] Compared with the prior art, the utility model has the beneficial effects that:

[0025] 1. The landing chassis structure of the survey unmanned aerial vehicle, through the unmanned aerial vehicle body is installed to the clamping groove of the mounting seat, then the gear drive rod is rotated to drive the two side gear driven screws connected with the gear drive rod to rotate, the threaded sleeve installed on the two side gear driven screws is moved following the rotation of the two side gear driven screws, the mounting plate installed on the two side threaded sleeves is synchronously moved, the tenon installed on the two mounting plates penetrates the unmanned aerial vehicle body and extends to the inside of the mounting seat, the tenon fixes the unmanned aerial vehicle body on the mounting seat, the unmanned aerial vehicle body is connected with the landing chassis, and when the unmanned aerial vehicle body is disassembled, the gear drive rod is reversed, so that the unmanned aerial vehicle can be quickly and conveniently installed on the landing chassis, time and labor are saved.

[0026] 2. The landing chassis structure of the survey unmanned aerial vehicle, when the unmanned aerial vehicle lands, the supporting plate is contacted with multiple, the supporting plate absorbs the impact force contacted with the ground, then the slide rod connected with the supporting plate receives the impact force, the slide rod moves into the mounting cylinder, the pressing plate installed on the slide rod extrudes the damping oil liquid in the mounting cylinder, the damping oil liquid flows to the other side of the pressing plate through the liquid permeation hole on the pressing plate, the damping force is generated, and the spacing between the supporting plate and the top plate is shortened due to the movement of the slide rod, so that the shock absorbing spring between the supporting plate and the top plate is deformed, the pressing plate extruding the damping oil liquid buffers and offsets the impact force generated when the unmanned aerial vehicle lands, so that the buffering performance of the landing chassis to the landing impact force can be effectively improved, and the stability of the unmanned aerial vehicle during landing is improved. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 It is a front view of the landing chassis structure of the survey unmanned aerial vehicle;

[0028] Figure 2 It is a front view of the landing chassis structure of the survey unmanned aerial vehicle;

[0029] Figure 3 It is a front view of the landing chassis structure of the survey unmanned aerial vehicle;

[0030] Figure 4 It is a front view of the landing chassis structure of the survey unmanned aerial vehicle;

[0031] In the figure: 100, mounting seat; 110, unmanned aerial vehicle body; 120, support rod; 130, mounting bin; 140, gear driven screw; 141, threaded sleeve; 150, mounting plate; 151, tenon; 160, gear driving rod; 200, top plate; 210, connecting seat; 220, connecting plate; 230, mounting cylinder; 231, sealing rubber ring; 232, damping oil; 240, sliding rod; 241, pressing plate; 242, liquid permeation hole; 250, support plate; 260, buffer spring. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0033] In the description of the present application, it should be understood that the orientations or positional relationships indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the features limited as "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0034] In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounting", "connecting" and "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0035] The utility model provides a kind of survey unmanned plane's landing chassis structure, unmanned plane can be quickly and conveniently installed to landing chassis, save time and effort, can effectively improve the buffering performance of landing chassis to landing impact force, increase the stability when unmanned plane lands, please refer to Figures 1-4 , including mounting seat 100 and top plate 200;

[0036] Please refer to again Figures 1-3 , including mounting seat 100, the left and right sides below mounting seat 100 are provided with top plate 200, the top of mounting seat 100 is inserted with unmanned plane body 110, the left and right side walls of mounting seat 100 are fixedly connected with support rod 120, characterized by being provided with unmanned plane connecting mechanism in mounting seat 100, unmanned plane connecting mechanism includes installation bin 130, installation bin 130 is used to install main structure, gear driven screw rod 140, gear driven screw rod 140 is used to install threaded sleeve 141, threaded sleeve 141, threaded sleeve 141 is used to install mounting plate 150, mounting plate 150, mounting plate 150 is used to install mortise 151, mortise 151, mortise 151 is used to fix unmanned plane body 110, gear driving rod 160, gear driving rod 160 is used to drive gear driven screw rod 140 to rotate, installation bin 130 is opened in the left and right sides of the inside of mounting seat 100, gear driven screw rod 140 is rotatably connected in the left and right side walls of the inner cavity of mounting seat 100, the end of left and right gear driven screw rod 140 is installed in mounting seat 100 and extends to the inner cavity of left and right installation bin 130, and the outer side wall of left and right gear driven screw rod 140 is screwed with threaded sleeve 141, mounting plate 150 is fixedly connected at the end of left and right threaded sleeve 141, the outer side wall of left and right mounting plate 150 is fixedly connected with mortise 151 on the left and right sides, the end of left and right mortise 151 penetrates left and right installation bin 130 and unmanned plane body 110 and extends to the inside of mounting seat 100, gear driving rod 160 is rotatably connected in the rear side wall of mounting seat 100, the front end of gear driving rod 160 penetrates mounting seat 100 and extends to the inner cavity of mounting seat 100, and the front end of gear driving rod 160 is engagedly connected with left and right gear driven screw rod 140, by installing unmanned plane body 110 to the clamping groove of mounting seat 100, gear driving rod 160 is rotated subsequently, so that gear driving rod 160 drives the rotation of both sides gear driven screw rod 140 engagedly connected with it, so that threaded sleeve 141 installed on both sides gear driven screw rod 140 moves following the rotation of both sides gear driven screw rod 140, so that mounting plate 150 installed on both sides threaded sleeve 141 moves synchronously, so that mortise 151 installed on both sides mounting plate 150 penetrates unmanned plane body 110 and extends to the inside of mounting seat 100, so that mortise 151 fixes unmanned plane body 110 on mounting seat 100, so that unmanned plane body 110 is connected with landing chassis, when unmanned plane body 110 is disassembled, it can be reversed by gear driving rod 160.

[0037] Therefore, the unmanned aerial vehicle can be quickly and conveniently installed on the landing chassis, saving time and effort.

[0038] Please refer again to Figures 1-4 The top of the top plate 200 is fixedly connected with the connecting seat 210 on the front and rear sides, and the left and right connecting seats 210 are fixedly connected with the left and right supporting rods 120. The bottom of the top plate 200 is provided with a buffer mechanism, which comprises a connecting plate 220, the connecting plate 220 is used for installing an installation cylinder 230, the installation cylinder 230 is used for installing a main structure, a sealing rubber ring 231 is used for sealing the connection between the sliding rod 240 and the installation cylinder 230, damping oil 232, the sliding rod 240, a pressing plate 241 is used for extruding the damping oil 232, a liquid permeation hole 242, a supporting plate 250, and a buffer spring 260. The connecting plate 220 is fixedly connected to the bottom of the left and right top plates 200, and the connecting plates 220 are arranged from front to back. The bottom of the connecting plate 220 is fixedly connected with the installation cylinder 230, the bottom end of the installation cylinder 230 is bonded with the sealing rubber ring 231, the inner cavity of the installation cylinder 230 is filled with the damping oil 232, the bottom end of the installation cylinder 230 is inserted with the sliding rod 240, the outer side wall of the sliding rod 240 is in contact with the sealing rubber ring 231, the top end of the sliding rod 240 penetrates through the installation cylinder 230 and extends into the inner cavity of the installation cylinder 230, and the top end of the sliding rod 240 is fixedly connected with the pressing plate 241. The top of the pressing plate 241 is provided with a liquid permeation hole 242, and the liquid permeation holes 242 are uniformly distributed. The bottom end of the sliding rod 240 is fixedly connected with the supporting plate 250 from front to back, and the buffer spring 260 is fixedly connected around the bottom of the connecting plate 220, and the buffer spring 260 is uniformly distributed. The bottom end of the buffer spring 260 is fixedly connected with the supporting plate 250. When the unmanned aerial vehicle lands, the supporting plate 250 is in contact with multiple, so that the supporting plate 250 absorbs the impact force in contact with the ground, and then the sliding rod 240 connected with the supporting plate 250 receives the impact force, so that the sliding rod 240 moves into the installation cylinder 230, the pressing plate 241 installed on the sliding rod 240 extrudes the damping oil 232 in the installation cylinder 230, so that the damping oil 232 flows to the other side of the pressing plate 241 through the liquid permeation hole 242 on the pressing plate 241, and generates damping force. At the same time, due to the movement of the sliding rod 240, the distance between the supporting plate 250 and the top plate 200 is shortened, so that the shock-absorbing spring between the supporting plate 250 and the top plate 200 is deformed, and the pressing plate 241 extruding the damping oil 232 buffers and offsets the impact force generated when the unmanned aerial vehicle lands.

[0039] Therefore, the landing chassis can effectively improve the buffering performance of the impact force generated during landing, and increase the stability of the unmanned aerial vehicle during landing.

[0040] In specific use, the person skilled in the art installs the unmanned aerial vehicle body 110 into the clamping groove of the mounting seat 100, then rotates the gear driving rod 160 to drive the two side gear driven screws 140 connected with the gear driving rod 160 to rotate, drives the threaded sleeve 141 installed on the two side gear driven screws 140 to move, drives the mounting plate 150 installed on the two side threaded sleeves 141 to move synchronously, drives the tenon 151 installed on the two mounting plates 150 to penetrate the unmanned aerial vehicle body 110 and extend into the mounting seat 100, fixes the unmanned aerial vehicle body 110 on the mounting seat 100 through the tenon 151, connects the unmanned aerial vehicle body 110 with the landing chassis, and removes the unmanned aerial vehicle body 110 by reversing the gear driving rod 160. When the unmanned aerial vehicle lands, the support plate 250 is in contact with multiple pieces, the support plate 250 absorbs the impact force in contact with the ground, then the slide rod 240 connected with the support plate 250 receives the impact force, the slide rod 240 moves into the mounting cylinder 230, the pressing plate 241 installed on the slide rod 240 extrudes the damping oil 232 in the mounting cylinder 230, the damping oil 232 flows to the other side of the pressing plate 241 through the liquid permeation hole 242 on the pressing plate 241, generates damping force, and at the same time, the distance between the support plate 250 and the top plate 200 is shortened due to the movement of the slide rod 240, the shock-absorbing spring between the support plate 250 and the top plate 200 is deformed, and the pressing plate 241 extruding the damping oil 232 buffers and offsets the impact force generated when the unmanned aerial vehicle lands.

[0041] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "exemplary embodiment", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the exemplary description of the above terms does not necessarily mean the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0042] Although the embodiments of the present application have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and purposes of the present application, and the scope of the present application is defined by the claims and their equivalents.

Claims

1. A survey unmanned aerial vehicle landing chassis structure, comprising a mounting seat (100), the top of the mounting seat (100) is inserted with an unmanned aerial vehicle body (110), the left and right side walls of the mounting seat (100) are fixedly connected with support rods (120) on the front and back sides, characterized in that The inside of the mounting seat (100) is provided with a UAV connecting mechanism; The lower left and right sides of the mounting seat (100) are provided with a top plate (200), and the top front and rear sides of the left and right top plates (200) are fixedly connected with connecting seats (210), and the left and right connecting seats (210) are fixedly connected with the left and right supporting rods (120), and the lower side of the top plate (200) is provided with a buffer mechanism.

2. The landing chassis structure of a survey drone according to claim 1, wherein: The UAV connecting mechanism comprises a mounting bin (130), a gear driven screw (140), a threaded sleeve (141), a mounting plate (150), a tenon (151), and a gear driving rod (160).

3. The landing chassis structure of a survey drone according to claim 2, wherein: The mounting bin (130) is opened in the left and right sides of the inside of the mounting seat (100).

4. The landing chassis structure of a survey drone according to claim 3, wherein: The gear driven screw (140) is rotatably connected to the left and right side walls of the inner cavity of the mounting seat (100), the ends of the left and right gear driven screws (140) extend into the inner cavities of the left and right mounting bins (130) through the mounting seat (100), and the outer side walls of the left and right gear driven screws (140) are screwed with threaded sleeves (141).

5. The landing chassis structure of a survey drone according to claim 4, wherein: The mounting plate (150) is fixedly connected to the ends of the left and right threaded sleeves (141), the outer side walls of the left and right mounting plates (150) are fixedly connected with tenons (151) on the front and rear sides, and the ends of the left and right tenons (151) extend into the UAV body (110) through the left and right mounting bins (130) and extend into the inside of the mounting seat (100).

6. The landing chassis structure of a survey drone according to claim 5, wherein: The gear driving rod (160) is rotatably connected to the rear side wall of the mounting seat (100), the front end of the gear driving rod (160) extends into the inner cavity of the mounting seat (100) through the mounting seat (100), and the front end of the gear driving rod (160) is engaged with the left and right gear driven screws (140).

7. The landing chassis structure for a survey drone of claim 1, wherein: The buffer mechanism comprises a connecting plate (220), a mounting cylinder (230), a sealing rubber ring (231), a damping oil (232), a sliding rod (240), a pressing plate (241), a liquid permeation hole (242), a supporting plate (250), and a buffer spring (260).

8. The landing chassis structure of a survey drone according to claim 7, wherein: The connecting plate (220) is fixedly connected to the bottom of the left and right top plates (200), and the connecting plates (220) are arranged from front to back, the bottom of the connecting plate (220) is fixedly connected with a mounting cylinder (230), the bottom end of the mounting cylinder (230) is bonded with a sealing rubber ring (231), and the inner cavity of the mounting cylinder (230) is filled with a damping oil (232).

9. The landing chassis structure of a survey drone according to claim 7, wherein: The bottom end of the mounting cylinder (230) is inserted with a sliding rod (240), the outer side wall of the sliding rod (240) is in contact with the sealing rubber ring (231), the top end of the sliding rod (240) penetrates through the mounting cylinder (230) and extends to the inner cavity of the mounting cylinder (230), and the top end of the sliding rod (240) is fixedly connected with a pressing plate (241), the top of the pressing plate (241) is provided with a liquid seepage hole (242) around, and the liquid seepage holes (242) are uniformly distributed, and the bottom ends of the sliding rods (240) are fixedly connected with a support plate (250) from front to back.

10. The landing chassis structure of a survey drone according to claim 7, wherein: The bottom of the connecting plate (220) is fixedly connected with a buffer spring (260) around, and the buffer springs (260) are uniformly distributed, and the bottom end of the buffer spring (260) is fixedly connected with the support plate (250).

Images