CN216269911U

CN216269911U - Unmanned aerial vehicle for building surveying and mapping

Info

Publication number: CN216269911U
Application number: CN202122105849.3U
Authority: CN
Inventors: 王晓亮; 王永金; 王雷凯
Original assignee: Guizhou Dongying Measuring Instrument Co ltd
Current assignee: Guizhou Dongying Measuring Instrument Co ltd
Priority date: 2021-09-02
Filing date: 2021-09-02
Publication date: 2022-04-12
Anticipated expiration: 2031-09-02

Abstract

The utility model relates to the technical field of aerial photography surveying and mapping equipment, and discloses an unmanned aerial vehicle for building surveying and mapping, which comprises a machine body, wherein the front side surface of the machine body is fixedly connected with a camera, the circumferential side surface of the machine body is fixedly connected with a connecting rod, the connecting rod is fixedly connected with an annular cover, the inner wall of the annular cover is fixedly connected with a rectangular block, the rectangular block is fixedly connected with a fan sleeve, the upper surface of the connecting rod is provided with a through hole, the inner wall of the through hole is slidably connected with a first cylindrical rod, the lower surface of the first cylindrical rod is fixedly connected with a bottom plate, the upper surface of the first cylindrical rod is fixedly connected with a second cylindrical rod, the upper surface of the second cylindrical rod is fixedly connected with a cover plate, and the circumferential side surface of the second cylindrical rod is fixedly connected with a retaining ring in a penetrating manner; according to the utility model, through the arrangement of the baffle ring, the first spring and the limiting plate, the cylindrical cavity, the second spring and the balancing weight are matched, the working principle of the tuned mass damper is simulated, and the stability of aerial photography and mapping quality of equipment in a complex airflow environment between buildings is improved.

Description

Unmanned aerial vehicle for building surveying and mapping

Technical Field

The utility model relates to the technical field of aerial photography surveying and mapping equipment, in particular to an unmanned aerial vehicle for building surveying and mapping.

Background

The aerial survey of the unmanned aerial vehicle is a powerful supplement of the traditional aerial photogrammetry means, has the characteristics of flexibility, high efficiency, rapidness, fineness, accuracy, low operation cost, wide application range, short production period and the like, the method has obvious advantages in the aspect of fast obtaining of high-resolution images in small areas and areas with difficult flight, along with the development of unmanned aerial vehicles and digital camera technologies, the digital aerial photography technology based on an unmanned aerial vehicle platform has shown unique advantages, the combination of the unmanned aerial vehicles and aerial photogrammetry enables the 'unmanned aerial vehicle digital low-altitude remote sensing' to become a brand-new development direction in the field of aerial remote sensing, the aerial photography of the unmanned aerial vehicles can be widely applied to the aspects of national major engineering construction, disaster emergency and treatment, territorial supervision, resource development, new rural areas, small town construction and the like, and the method has wide prospects in the aspects of basic surveying and mapping, land resource investigation and monitoring, dynamic monitoring of land utilization, digital city construction, acquisition of emergency disaster relief surveying and mapping data and the like.

As disclosed in the chinese patent: an unmanned aerial vehicle for building surveying and mapping, patent number: CN202022719491.9, in this document, the positions of the level and the camera are optimized, so that they are set up on the same plane, thereby facilitating the subsequent image processing; but with the automatic folding design that contracts of undercarriage, avoid the undercarriage to shelter from the camera field of vision, but this equipment can't be in the environment of building room complicated air current operating mode, reliable and stable's regulation unmanned aerial vehicle's gesture and height are unfavorable for the operation quality of guarantee mapping of taking photo by plane. Therefore, the unmanned aerial vehicle for building surveying and mapping is provided.

SUMMERY OF THE UTILITY MODEL

The utility model mainly solves the technical problems in the prior art and provides the unmanned aerial vehicle for building surveying and mapping.

In order to achieve the purpose, the unmanned aerial vehicle for building surveying and mapping comprises a machine body, a camera is fixedly connected to the front side face of the machine body, a connecting rod is fixedly connected to the circumferential side face of the machine body, an annular cover is fixedly connected to the connecting rod, a rectangular block is fixedly connected to the inner wall of the annular cover, a fan sleeve is fixedly connected to the rectangular block, a through hole is formed in the upper surface of the connecting rod, a first cylindrical rod is slidably connected to the inner wall of the through hole, a bottom plate is fixedly connected to the lower surface of the first cylindrical rod, a second cylindrical rod is fixedly connected to the upper surface of the first cylindrical rod, and a cover plate is fixedly connected to the upper surface of the second cylindrical rod.

Preferably, the circumferential side face of the second cylindrical rod penetrates through a blocking ring, the upper surface and the lower surface of the blocking ring are fixedly connected with a first spring, the tail end of the first spring is fixedly connected with a limiting plate, and the side face of the limiting plate is fixedly connected to the inner wall of the through hole.

Preferably, the circular hole has been seted up in the upper surface center department of organism, the inner wall of circular hole rotates and is connected with the pivot, the last fixed surface of pivot is connected with the disc, the last fixed surface of disc is connected with the deep bead, the front and back side right-hand member edge fixedly connected with triangle wing of deep bead.

Preferably, a cylindrical cavity is formed in the wind shield, two ends of the inner wall of the cylindrical cavity are fixedly connected with a second spring, and a balancing weight is fixedly connected between the second springs.

Preferably, the lower surface of the cover plate is attached to the upper surface of the connecting rod, and the circumferential side surface of the baffle ring is in sliding connection with the inner wall of the through hole.

Preferably, the lower surface of the disc is rotatably connected with the upper surface of the machine body, and the circumferential side surface of the balancing weight is slidably connected with the inner wall of the cylindrical cavity.

Advantageous effects

The utility model provides an unmanned aerial vehicle for building surveying and mapping. The method has the following beneficial effects:

(1) this unmanned aerial vehicle for building survey and drawing, keep off the ring through the setting, spring one and limiting plate cooperation cylinder pole one, the structure and the function of harmonious mass damper have been simulated, when organism and camera meet with the influence of the perpendicular air current of upper and lower direction like this, can keep off the friction of ring circumference side and through hole inner wall through the deformation of spring one, play the buffering energy-absorbing effect, to reducing the adverse effect of vertical lift air current to equipment, be favorable to improving the precision and the effect of taking photo by plane survey and drawing, the same reason, the cylinder cavity, the setting of spring two and balancing weight, can offset the influence of horizontal direction crosswind to organism and camera gesture and altitude variation, the operation quality of equipment survey and drawing has further been improved.

(2) This unmanned aerial vehicle for building survey and drawing, at the quick in-process that rises to the height or equipment lift off of drawing of organism, cylinder pole one can be along the inner wall lapse of through hole with the circumference side that keeps off the ring, because the limiting plate is fixed at the inner wall of through hole, so at the gliding in-process of fender ring, the spring produces the deformation that corresponds the direction for a while, through setting up the apron, can restrict the distance that keeps off the ring and remove, prevent cylinder pole one and organism from breaking away from completely and disassembling, protect function is in the same place to the spring simultaneously, prevent that a spring atress from excessively taking place irreversible deformation, be favorable to the integrality of protective apparatus.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic diagram of the basic structure of the present invention;

FIG. 3 is a schematic view of a support and vertical cushioning structure according to the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 3 according to the present invention;

FIG. 5 is a schematic view of a horizontal buffer structure according to the present invention;

fig. 6 is a front side cross-sectional view of the windshield (118) of the present invention.

Illustration of the drawings:

101. a body 102, a camera; 103. a connecting rod; 104. an annular shroud; 105. a rectangular block; 106. a fan assembly; 107. a through hole; 108. a first cylindrical rod; 109. a base plate; 110. a second cylindrical rod; 111. a cover plate; 112. a baffle ring; 113. a first spring; 114. a limiting plate; 115. a circular hole; 116. a rotating shaft; 117. A disc; 118. a wind deflector; 119. a delta wing; 120. a cylindrical cavity; 121. a second spring; 122. and a balancing weight.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b): the utility model provides an unmanned aerial vehicle for building survey and drawing, as shown in fig. 1-6, including organism 101, the leading flank fixedly connected with camera 102 of organism 101, the circumference side fixedly connected with connecting rod 103 of organism 101, connecting rod 103 fixedly connected with annular cover 104, the inner wall fixedly connected with rectangular block 105 of annular cover 104, rectangular block 105 fixed connection has fan external member 106, through hole 107 has been seted up to the upper surface of connecting rod 103, the inner wall sliding connection of through hole 107 has cylinder pole one 108, the lower fixed surface of cylinder pole one 108 is connected with bottom plate 109, the upper surface fixed connection of cylinder pole one 108 has cylinder pole two 110, the upper surface fixed connection of cylinder pole two 110 has apron 111.

The circumference side of the second cylindrical rod 110 is fixedly connected with a baffle ring 112 in a penetrating way, the upper surface and the lower surface of the baffle ring 112 are fixedly connected with a first spring 113, the tail end of the first spring 113 is fixedly connected with a limit plate 114, the side of the limit plate 114 is fixedly connected with the inner wall of the through hole 107, the arrangement of the baffle ring 112, the first spring 113 and the limit plate 114 plays a role in adjusting the positions of the second cylindrical rod 110 and the first cylindrical rod 108 is realized, the center of the upper surface of the machine body 101 is provided with a circular hole 115, the inner wall of the circular hole 115 is rotatably connected with a rotating shaft 116, the upper surface of the rotating shaft 116 is fixedly connected with a disc 117, the upper surface of the disc 117 is fixedly connected with a baffle plate 118, the edges of the right end of the front side and the rear side of the baffle plate 118 are fixedly connected with triangular wings 119, through the arrangement of the baffle plate 118 and the triangular wings 119, when encountering cross wind, the orientation of the baffle plate 118 can be quickly adjusted, a cylindrical cavity 120 is formed inside the baffle plate 118, two ends fixedly connected with spring two 121 of cylinder cavity 120 inner wall, fixedly connected with balancing weight 122 between two spring two 121, setting through spring two 121 and balancing weight 122, can play adjusting device focus and stable effect, the upper surface of the lower surface laminating connecting rod 103 of apron 111, keep off the inner wall of the circumference side sliding connection through hole 107 of ring 112, setting through apron 111, the effect of spacing cylinder pole one 108 has been played, the upper surface of connecting organism 101 is rotated to the lower surface of disc 117, the inner wall of circumference side sliding connection cylinder cavity 120 of balancing weight 122, set up through cylinder cavity 120, spring two 121 and balancing weight 122 of easy to assemble.

The working principle of the utility model is as follows: after the power supply of the machine body 101 is connected, the camera 102 and the fan set 106 start to work, and the fan set 106 adopts a single independent power supply control mode, so that the flying posture of the equipment can be changed by controlling the rotating speeds of the four fan sets 106 to be different, when the equipment is required to be used for building surveying and mapping shooting, the machine body 101 is required to be controlled to spirally fly around a building, during the flying surveying and mapping, air turbulence and sudden wind direction change can be encountered, the machine body 101 and the camera 102 can be severely shaken, and therefore the quality of aerial surveying and mapping is adversely affected, the equipment adopts the arrangement of the baffle ring 112, the spring I113 and the limiting plate 114, when the machine body 101 is greatly impacted by airflow in the vertical direction, under the action of inertia, the circumferential side surface of the baffle ring 112 can slide along the inner wall of the through hole 107 in the opposite direction to the machine body 101 and can be friction-decelerated, the first spring 113 deforms synchronously, the shaking amplitude of the machine body 101 and the camera 102 is reduced, the mechanism is designed according to the working principle of a tuned mass damper, the problems of stabilizing the postures of the machine body 101 and the camera 102 and preventing shaking caused by rapid height change can be solved to a certain extent, similarly, when transverse wind in the horizontal direction occurs, airflow can blow the front side face of the wind shield 118, the left side and the right side of the front side face of the wind shield 118 are asymmetrical, the wind shield 118 can drive the disc 117 and the rotating shaft 116 to rotate, the transverse wind direction and the wind shield 118 are in a parallel state, therefore, under severe impact of transverse wind, the counterweight 122 can slide to the left side on the inner wall of the cylindrical cavity 120 due to inertia, the second springs 121 at the two ends of the counterweight 122 deform, and the purpose of absorbing and buffering transverse wind impact is achieved in the deformation of the second springs 121 and the friction process of the counterweight 122 and the cylindrical cavity 120, compare traditional unmanned aerial vehicle for building survey and drawing, the anti gust ability of this equipment is stronger, is fit for the aerial surveying and drawing operation of taking photo under the complicated air current operating mode between the building more.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an unmanned aerial vehicle for building survey and drawing, includes organism (101), leading flank fixedly connected with camera (102) of organism (101), circumference side fixedly connected with connecting rod (103) of organism (101), connecting rod (103) fixedly connected with annular cover (104), the inner wall fixedly connected with rectangular block (105) of annular cover (104), rectangular block (105) fixedly connected with fan external member (106), its characterized in that: a through hole (107) is formed in the upper surface of the connecting rod (103), a first cylindrical rod (108) is connected to the inner wall of the through hole (107) in a sliding mode, a bottom plate (109) is fixedly connected to the lower surface of the first cylindrical rod (108), a second cylindrical rod (110) is fixedly connected to the upper surface of the first cylindrical rod (108), and a cover plate (111) is fixedly connected to the upper surface of the second cylindrical rod (110).

2. The unmanned aerial vehicle for building surveying and mapping of claim 1, characterized in that: fixedly connected with fender ring (112) is run through to the circumference side of cylindric lock two (110), the equal fixedly connected with spring (113) in upper and lower surface of fender ring (112), the terminal fixedly connected with limiting plate (114) of spring (113), the side fixed connection of limiting plate (114) is at the inner wall of through-hole (107).

3. The unmanned aerial vehicle for building surveying and mapping of claim 1, characterized in that: circular port (115) have been seted up in the upper surface center department of organism (101), the inner wall of circular port (115) rotates and is connected with pivot (116), the last fixed surface of pivot (116) is connected with disc (117), the last fixed surface of disc (117) is connected with deep bead (118), side right-hand member edge fixedly connected with triangle wing (119) around deep bead (118).

4. The unmanned aerial vehicle for building surveying and mapping of claim 3, characterized in that: a cylindrical cavity (120) is formed in the wind shield (118), two ends of the inner wall of the cylindrical cavity (120) are fixedly connected with a second spring (121), and a balancing weight (122) is fixedly connected between the second springs (121).

5. The unmanned aerial vehicle for building surveying and mapping of claim 2, characterized in that: the lower surface of the cover plate (111) is attached to the upper surface of the connecting rod (103), and the circumferential side surface of the baffle ring (112) is connected with the inner wall of the through hole (107) in a sliding mode.

6. The unmanned aerial vehicle for building surveying and mapping of claim 4, wherein: the lower surface of the disc (117) is rotatably connected with the upper surface of the machine body (101), and the circumferential side surface of the balancing weight (122) is slidably connected with the inner wall of the cylindrical cavity (120).