CN117842405B - Camera hanging device for surveying and mapping aerial photography - Google Patents

Camera hanging device for surveying and mapping aerial photography Download PDF

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Publication number
CN117842405B
CN117842405B CN202410259107.1A CN202410259107A CN117842405B CN 117842405 B CN117842405 B CN 117842405B CN 202410259107 A CN202410259107 A CN 202410259107A CN 117842405 B CN117842405 B CN 117842405B
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China
Prior art keywords
plate
side guard
camera
guard plate
shaft
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CN202410259107.1A
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Chinese (zh)
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CN117842405A (en
Inventor
吉星
韦燕燕
栗兴涛
燕愿
孙文旭
李大卫
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Henan Dejiu Construction Engineering Co ltd
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Henan Dejiu Construction Engineering Co ltd
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Priority to CN202410259107.1A priority Critical patent/CN117842405B/en
Publication of CN117842405A publication Critical patent/CN117842405A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64UUNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
    • B64U20/00Constructional aspects of UAVs
    • B64U20/80Arrangement of on-board electronics, e.g. avionics systems or wiring
    • B64U20/87Mounting of imaging devices, e.g. mounting of gimbals
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64UUNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
    • B64U10/00Type of UAV
    • B64U10/10Rotorcrafts
    • B64U10/13Flying platforms
    • B64U10/14Flying platforms with four distinct rotor axes, e.g. quadcopters
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64UUNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
    • B64U2101/00UAVs specially adapted for particular uses or applications
    • B64U2101/30UAVs specially adapted for particular uses or applications for imaging, photography or videography

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Remote Sensing (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Accessories Of Cameras (AREA)

Abstract

The invention discloses a camera hanging device for surveying and mapping aerial photography, which relates to the technical field of aerial surveying and mapping equipment and comprises an unmanned aerial vehicle, a square mounting seat arranged at the bottom of the unmanned aerial vehicle, a shock absorbing plate and a triaxial holder, wherein the shock absorbing plate and the triaxial holder are arranged below the mounting seat, two folding assemblies which are symmetrically distributed are arranged on two sides of the lower surface of the mounting seat, a first side guard plate, a second side guard plate and a bottom guard plate can form a square protective box body, and a lens cleaning assembly and a replacement assembly are respectively arranged on the front surface of the second side guard plate at the rear part. The invention can lead the adjustable range and the shooting range of the surveying and mapping camera to be more flexible and wider, can play a certain role in protecting the surveying and mapping camera when shooting is not needed, can realize the aim of cleaning the lens of the surveying and mapping camera in the air, saves the time for cleaning the lens, can conveniently replace the surveying and mapping camera under the condition of dirt of the roller brush, and ensures the normal use of the cleaning function.

Description

Camera hanging device for surveying and mapping aerial photography
Technical Field
The invention relates to the technical field of aviation mapping equipment, in particular to a camera hanging device for mapping aviation photography.
Background
Along with the continuous development and maturity of unmanned aerial vehicle technology, unmanned aerial vehicles have been widely applied to industry and commercial applications such as aerial photography, remote sensing mapping, forest fire prevention, electric power line inspection, search and rescue, film and television advertising, and the like. In order to realize these functions, it is often necessary to install a hanging device that cooperates with the unmanned aerial vehicle cradle head on the unmanned aerial vehicle, so as to carry on photographing equipment and perform aerial mapping at various angles.
However, in order to guarantee that the camera can not contact with ground when unmanned aerial vehicle rises and falls, the hanging height of camera is higher than the bottom of unmanned aerial vehicle undercarriage, this kind of hanging mode prevents that ground from causing the collision to unmanned aerial vehicle when rising and falling, but the undercarriage that lies in the below part of camera can cause shielding to the shooting of camera more or less, can only adjust to specific some angles through the cloud platform camera for this reason and shoot, can only realize through the direction of flight of control unmanned aerial vehicle when needs shoot other angles, this certainly can make shooting scope and flexibility break down greatly, be difficult to realize carrying out panorama mapping to ground under the circumstances that does not change unmanned aerial vehicle direction of flight, and the camera is the bottom of naked dress at unmanned aerial vehicle that hangs, this can lead to the barrier propterty to the camera poor, and impurity such as external dust also easily adheres to on the camera lens, return to unmanned aerial vehicle then clean again when the camera impurity is more, the work efficiency of whole shooting can only be influenced easily under this circumstances, therefore hang the dress device has certain improvement space.
Disclosure of Invention
(One) solving the technical problems
Aiming at the defects of the prior art, the invention provides the camera hanging device for mapping aerial photography, which is provided with the camera hanging device capable of preventing the landing gear from shielding the view shooting of the mapping camera, and further enabling the adjustable range and the shooting range of the mapping camera to be more flexible and wider, realizing the panoramic shooting of three hundred and sixty degrees on the ground under the condition of not adjusting the flight direction, playing a certain protection role on the mapping camera when shooting is not needed, effectively preventing external impurities from adhering to the lens of the mapping camera, improving the protection capability of the mapping camera, realizing the aim of cleaning the lens of the mapping camera in air, avoiding returning, effectively saving the time required by cleaning the lens, further enabling the cleaning function to be conveniently replaced under the condition of dirt brushing by a roller, solving the problems in the background technology.
(II) technical scheme
In order to achieve the purposes that the landing gear can prevent the landing gear from shielding the view of the surveying and mapping camera, the adjustable range and the shooting range of the surveying and mapping camera are more flexible and wider, the ground can be subjected to three hundred sixty-degree panoramic shooting under the condition that the flying direction is not adjusted, a certain protection effect can be achieved on the surveying and mapping camera when shooting is not needed, external impurities are effectively prevented from adhering to the lens of the surveying and mapping camera, the protection capability of the surveying and mapping camera can be improved, the purpose that the lens of the surveying and mapping camera can be cleaned in the air can be achieved, the required time for cleaning the lens is not needed to return, the purpose that the lens can be conveniently replaced under the condition that the roller brushes are dirty is guaranteed, the normal use of the cleaning function is guaranteed, and the like, the invention provides the following technical scheme: the utility model provides a survey and drawing aerial photography is with camera hanging device, includes unmanned aerial vehicle, installs in square mount pad of unmanned aerial vehicle bottom and installs shock attenuation board and triaxial cloud platform in the mount pad below, the lower surface middle part fixed mounting of mount pad has a plurality of to be the reverse T type spliced pole that rectangular array distributes, the periphery fixed mounting of shock attenuation board has a plurality of sleeve that cup joints respectively on a plurality of spliced pole;
the two sides of the lower surface of the mounting seat are respectively provided with a T-shaped landing gear in a rotating way through a rotating shaft, the inner side of the landing gear is fixedly provided with a first connecting shaft, and the lower part of the landing gear is fixedly provided with a second connecting shaft;
Two symmetrically distributed folding assemblies are arranged on the two sides of the damping plate on the lower surface of the mounting seat, and the two folding assemblies are respectively connected with the first connecting shafts on the two sides;
The lower surfaces of the mounting seats are respectively positioned at the inner sides of the two landing gears and are respectively provided with first side guard plates which are symmetrically distributed left and right through rotating shafts, the lower ends of the two first side guard plates are respectively provided with a bottom guard plate through rotating shafts, the front part and the rear part of the lower surfaces of the mounting seats are respectively provided with a second side guard plate through rotating shafts, and the first side guard plates, the second side guard plates and the bottom guard plates can form a square protective box body;
The front face of the second side guard plate positioned at the rear part is respectively provided with a lens cleaning component and an exchange component.
Preferably, the four corners department of square mount pad has all seted up echelonment mounting hole along thickness direction, and peg graft in the inside of mounting hole has fastening bolt, the screw hole with fastening bolt looks adaptation is seted up to unmanned aerial vehicle's bottom surface, fastening bolt passes through the mounting hole and threaded mounting is at threaded hole.
Preferably, the shock attenuation board includes upper plate and the lower plate of square, the four corners department between upper plate and the lower plate all runs through and installs the connecting pin, and the outside cover of connecting pin is equipped with the hollow shock attenuation ball that is located between upper plate and the lower plate, sleeve fixed mounting is on the upper plate, and triaxial cloud platform installs in the lower part of lower plate, and installs the survey and drawing camera on the triaxial cloud platform.
Preferably, the folding assembly comprises an electric telescopic rod and a mounting rack fixedly mounted on the lower surface of the mounting seat, one end of the electric telescopic rod is fixedly provided with a linkage shaft, the electric telescopic rod is rotatably mounted on the lower portion of the mounting rack through the linkage shaft, the other end of the electric telescopic rod is rotatably connected with the first connecting shaft, the end part of the linkage shaft is fixedly provided with a linkage gear, and two sides of the upper plate are vertically and fixedly provided with first linkage racks meshed with the linkage gear.
Preferably, the first side guard plate is located between the landing gear and the mounting frame, a rectangular through groove matched with the electric telescopic rod is formed in the first side guard plate, the electric telescopic rod penetrates through the through groove, a limiting plate parallel to the first side guard plate is fixedly arranged at the joint of the first side guard plate and the bottom guard plate, and one end of the limiting plate outwards extends out of the first side guard plate.
Preferably, the sum of the widths of the two bottom guard plates is equal to the width of the second side guard plate, the lower surfaces of the two bottom guard plates are respectively provided with a first push-pull rod through rotating shafts, and one end of the first push-pull rod, which is far away from the bottom guard plate, is rotationally connected with the second connecting shaft.
Preferably, the extension rod is fixedly installed on the inner side of the second side guard plate, the second push-pull rod is rotatably installed at the end part of the extension rod through a rotating shaft, the connecting rod arranged in the vertical direction is fixedly installed on the front surface and the back surface of the upper plate, a guide groove is formed in one side, far away from the upper plate, of the connecting rod in the length direction, sliding grooves communicated with the guide groove are formed in two sides of the connecting rod in the length direction, one end, far away from the extension rod, of the second push-pull rod is inserted into the guide groove, and a bolt penetrating through the guide groove is fixedly installed at the end part of the second push-pull rod.
Preferably, the upper parts of the first side guard plate and the second side guard plate are fixedly provided with first magnets perpendicular to the first magnets, iron plates are fixedly embedded in the positions, close to the first magnets, of the lower surfaces of the mounting seats, the first magnets can be adsorbed on the lower surfaces of the iron plates, and the second magnets are fixedly embedded in the two lower side edges of the first side guard plate and the second side guard plate.
Preferably, the lens cleaning assembly comprises two roller brushes and a fixed plate fixedly mounted at the lower part of the front surface of a rear second side guard plate, the two roller brushes are vertically arranged in parallel, two through holes which are vertically parallel and matched with the roller brushes are formed in the fixed plate, one ends of the two roller brushes penetrate through the two through holes respectively, one end of the roller brushes, close to the fixed plate, is fixedly provided with a hexagonal prism type connecting plug coaxial with the same, the other ends of the two roller brushes are connected with the replacement assembly, the front surface of the second side guard plate is respectively provided with two transmission shafts in a rotating mode at the end parts of the two roller brushes, one end of each transmission shaft is provided with a connecting hole matched with the connecting plug, the connecting plug is inserted into the connecting hole, one transmission shaft is respectively and fixedly provided with a second transmission gear and a driven wheel, the other transmission shaft is fixedly provided with a third transmission gear meshed with the second transmission gear, the front surface of the second side guard plate is provided with a first transmission gear, the first transmission gear is fixedly mounted on the first transmission gear, the front surface of the second side guard plate is fixedly provided with a second transmission plate, the second transmission plate is fixedly mounted on the second transmission plate is vertically meshed with the second transmission plate, and the second transmission plate is vertically meshed with the second transmission plate.
Preferably, the replacement assembly comprises a pressing plate and a nut fixed on the front face of the rear second side guard plate, a bolt is installed on the nut in a threaded mode, the pressing plate is rotatably installed at the end portion of the bolt, two shaft sleeves which are arranged in parallel up and down are respectively rotatably installed on the pressing plate, one end of each shaft sleeve is closed, the other end of each shaft sleeve is open, and one ends, far away from the fixing plate, of the two roller brushes are respectively inserted into the two shaft sleeves.
(III) beneficial effects
Compared with the prior art, the invention provides a camera hanging device for surveying and mapping aerial photography, which has the following beneficial effects:
1. This survey and drawing aerial photography uses camera hanging device sets up through the cooperation of receive and release folding subassembly and first linkage rack, the accessible adjustment makes the height that survey and drawing camera can be less than the undercarriage completely when shooing for survey and drawing camera's lower part does not shelter from, thereby prevent that the undercarriage from leading to the fact the shielding to survey and drawing camera shooting, also consequently when the ground of survey and drawing camera in the below is shot, can be more nimble adjust survey and drawing camera's shooting angle through triaxial cloud platform, make adjustable scope and shooting range more nimble wide, realize carrying out three hundred sixty degrees panorama shooting to ground under the circumstances of not adjusting the direction of flight, make the simple of surveying and drawing more save worry easily control, and the cooperation of sleeve and spliced pole can make the landing gear receive and release the stability that slides more with the folding of survey and drawing camera, improve overall structure's stability.
2. This survey and drawing aerial photography uses camera to hang dress device sets up through the cooperation of first side backplate, bottom backplate, second side backplate and connecting rod, can receive the first side backplate of surveying and drawing camera when not needing to shoot, in the protective housing that bottom backplate and second side backplate constitute, thereby play certain guard action to the surveying and drawing camera, and can effectively prevent external impurity adhesion on the camera's of surveying and drawing camera's camera lens, can improve the protective capability to the surveying and drawing camera again simultaneously, prevent to cause the damage to the surveying and drawing camera under other special environment, and when needs are shot, can open above-mentioned protective housing again, and stretch out the surveying and drawing camera downwards, upwards expansion of first side backplate, bottom backplate and second side backplate can make can not cause the shielding to shooting sight simultaneously, guarantee the multi-angle of surveying and drawing camera and shoot in a flexible way.
3. This survey and drawing aerial photography uses camera hanging device sets up through the cooperation of the clean subassembly of camera lens and second linkage rack, can realize just can carry out clear purpose to the camera lens of survey and drawing camera in the sky, can continue to shoot again after the cleanness is accomplished for the cleanness to the camera lens need not return to the journey again, consequently can effectively save the required time of clean camera lens, improve the efficiency of shooting work, can make the more trouble-free of camera lens cleaning work again simultaneously.
4. This survey and drawing aerial photography uses camera hanging device through the setting of change subassembly, can make to change that can be convenient under the dirty circumstances of roller brush, guarantees clean function's normal use, avoids causing the influence to follow-up clear work of camera lens, and change simple convenient easy operation simultaneously, consequently can make the device use more convenient, improves its practicality and usability to a certain extent.
Drawings
FIG. 1 is a schematic front perspective view of the present invention;
FIG. 2 is a schematic side view of a three-dimensional partial structure of the present invention;
FIG. 3 is a schematic view of a bottom perspective partial structure of the present invention;
FIG. 4 is a schematic view of a partial structure with front cross-section of the present invention;
FIG. 5 is a schematic elevational cross-sectional view of a sleeve according to the present invention;
FIG. 6 is a schematic diagram of a side view and a three-axis cradle head of the present invention;
FIG. 7 is a schematic diagram showing a rear perspective view of a shock absorbing plate and a three-axis cradle head according to the present invention;
FIG. 8 is a schematic side sectional partial structure of the present invention;
FIG. 9 is a schematic view of a three-dimensional structure of a connecting rod of the present invention;
FIG. 10 is a schematic view of a partially exploded perspective view of a rear second side shield of the present invention;
FIG. 11 is a schematic perspective view of a rear second side guard of the present invention;
FIG. 12 is a schematic view of a perspective cross-sectional structure of a propeller shaft of the present invention;
FIG. 13 is a schematic front perspective view of the invention in its expanded state;
FIG. 14 is a schematic view of a partial structure in elevation cross-section in the unfolded state of the present invention;
Fig. 15 is a schematic view of a partial structure in side cross-section in the unfolded state of the present invention.
In the figure: 1. unmanned plane; 2. a mounting base; 201. a mounting hole; 202. a connecting column; 203. a sleeve; 3. a first side guard; 301. a through groove; 302. a limiting plate; 4. a bottom guard plate; 401. a first push-pull rod; 5. a second side guard; 501. an extension rod; 502. a second push-pull rod; 503. a plug pin; 6. landing gear; 601. a first connecting shaft; 602. a second connecting shaft; 7. folding and unfolding the folding component; 701. an electric telescopic rod; 702. a mounting frame; 703. a linkage gear; 704. a linkage shaft; 8. a lens cleaning assembly; 801. a fixing plate; 802. a roller brush; 803. a connection plug; 804. a transmission shaft; 805. driven wheel; 806. a first transmission gear; 807. a driving wheel; 808. a transmission belt; 809. a second transmission gear; 8010. a third transmission gear; 9. replacing the assembly; 901. a pressing plate; 902. a shaft sleeve; 903. a nut; 904. a bolt; 10. a shock absorbing plate; 1001. an upper plate; 1002. a lower plate; 1003. hollow shock-absorbing balls; 1004. a connecting pin; 11. the three-axis cradle head; 12. a mapping camera; 13. a first linked rack; 14. a connecting rod; 1401. a chute; 1402. a guide groove; 15. a second linkage rack; 16. a first magnet; 17. a second magnet; 20. an iron plate.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 7 and 13 to 14, an embodiment of the present invention is a camera hanging device for mapping and aerial photography, which comprises an unmanned aerial vehicle 1, a square mounting seat 2 mounted at the bottom of the unmanned aerial vehicle 1, a damping plate 10 and a triaxial holder 11 mounted below the mounting seat 2,
The four corners of the square mounting seat 2 are provided with stepped mounting holes 201 along the thickness direction, the inside of the mounting holes 201 is inserted with fastening bolts, the bottom surface of the unmanned aerial vehicle 1 is provided with threaded holes matched with the fastening bolts, and the fastening bolts are installed in the threaded holes in a threaded manner by penetrating through the mounting holes 201;
the middle part of the lower surface of the mounting seat 2 is fixedly provided with a plurality of inverted T-shaped connecting columns 202 distributed in a rectangular array, and the periphery of the shock absorption plate 10 is fixedly provided with a plurality of sleeves 203 which are respectively sleeved on the plurality of connecting columns 202;
The shock absorbing plate 10 comprises a square upper plate 1001 and a square lower plate 1002, connecting pins 1004 are arranged at four corners between the upper plate 1001 and the lower plate 1002 in a penetrating manner, hollow shock absorbing balls 1003 positioned between the upper plate 1001 and the lower plate 1002 are sleeved outside the connecting pins 1004, the sleeve 203 is fixedly arranged on the upper plate 1001, the triaxial holder 11 is arranged at the lower part of the lower plate 1002, and the mapping camera 12 is arranged on the triaxial holder 11;
The two sides of the lower surface of the mounting seat 2 are rotatably provided with T-shaped landing gears 6 through rotating shafts, the inner sides of the landing gears 6 are fixedly provided with first connecting shafts 601, and the lower parts of the landing gears 6 are fixedly provided with second connecting shafts 602;
Two symmetrically distributed folding assemblies 7 are arranged on the two sides of the lower surface of the mounting seat 2 on the shock absorption plate 10, and the two folding assemblies 7 are respectively connected with first connecting shafts 601 on the two sides;
The folding assembly 7 comprises an electric telescopic rod 701 and a mounting frame 702 fixedly mounted on the lower surface of the mounting seat 2, wherein a linkage shaft 704 is fixedly mounted at one end of the electric telescopic rod 701, the electric telescopic rod 701 is rotatably mounted on the lower part of the mounting frame 702 through the linkage shaft 704, the other end of the electric telescopic rod 701 is rotatably connected with the first connecting shaft 601, a linkage gear 703 is fixedly mounted at the end of the linkage shaft 704, and first linkage racks 13 meshed with the linkage gear 703 are vertically and fixedly mounted on two sides of the upper plate 1001;
when the unmanned aerial vehicle is particularly used, the device is fixedly arranged at the bottom of the unmanned aerial vehicle 1 through the mounting holes 201 on the mounting seat 2 and the fastening bolts matched with the mounting holes, the two landing gears 6 at the lower part of the mounting seat 2 can play a supporting role on the unmanned aerial vehicle 1, in an initial state, the two landing gears 6 are supported at two sides of the bottom of the mounting seat 2 in a splayed manner, the mapping camera 12 is positioned between the two landing gears 6, when the unmanned aerial vehicle 1 takes off and needs to carry out mapping shooting through the mapping camera 12, the telescopic ends of the two electric telescopic rods 701 are firstly controlled to extend outwards for a certain distance, at the moment, the first connecting shaft 601 can be pushed, so as to push the landing gears 6 outwards, the landing gears 6 are upwards rotated for a certain angle around the rotating shaft at the upper part of the first connecting shaft, the bottoms of the two landing gears 6 are rotated to two sides at the upper part, in the process, the electric telescopic rod 701 can also rotate upwards on the mounting frame 702 by a certain angle along with the landing gear 6 around the axis of the linkage shaft 704, in the process, the electric telescopic rod 701 can also drive the linkage gear 703 to synchronously rotate through the linkage shaft 704, the damping plate 10 can be pulled downwards through the first linkage rack 13 after rotating the linkage gear 703, so that the sleeve 203 is driven to slide downwards on the connecting column 202, and the triaxial holder 11 and the mapping camera 12 are synchronously driven to move downwards by a certain distance, so that the height of the mapping camera 12 can be completely lower than the height of the landing gear 6, the lower part of the mapping camera 12 is not shielded, thereby preventing the landing gear 6 from shielding the view of the mapping camera 12, and also being more flexible in adjusting the shooting angle of the mapping camera 12 through the triaxial holder 11 when the mapping camera 12 shoots the ground below, the adjustable range and the shooting range are more flexible and wider.
As an embodiment of the present invention, referring to fig. 2 to 9 and fig. 13 to 15, in a camera hanging device for mapping and aviation photography, the lower surfaces of the mounting seats 2 are respectively located at the inner sides of the two landing gears 6, and are respectively provided with first side guard plates 3 symmetrically distributed left and right through rotating shafts, the lower ends of the two first side guard plates 3 are respectively provided with a bottom guard plate 4 through rotating shafts, the front and rear parts of the lower surfaces of the mounting seats 2 are respectively provided with a second side guard plate 5 through rotating shafts, and the first side guard plates 3, the second side guard plates 5 and the bottom guard plates 4 can form a square protective box;
The first side guard plate 3 is positioned between the landing gear 6 and the mounting frame 702, a rectangular through groove 301 matched with the electric telescopic rod 701 is formed in the first side guard plate 3, the electric telescopic rod 701 penetrates through the groove 301, a limiting plate 302 parallel to the first side guard plate 3 is fixedly arranged on the outer surface of the first side guard plate 3 at the joint of the first side guard plate 3 and the bottom guard plate 4, and one end of the limiting plate 302 extends outwards to form the first side guard plate 3;
The sum of the widths of the two bottom guard plates 4 is equal to the width of the second side guard plate 5, the lower surfaces of the two bottom guard plates 4 are respectively provided with a first push-pull rod 401 through rotating shafts, and one end of the first push-pull rod 401, which is far away from the bottom guard plates 4, is rotationally connected with a second connecting shaft 602;
The inner side of the second side guard plate 5 is fixedly provided with an extension rod 501, the end part of the extension rod 501 is rotatably provided with a second push-pull rod 502 through a rotating shaft, the front surface and the back surface of the upper plate 1001 are fixedly provided with connecting rods 14 arranged along the vertical direction, one side of each connecting rod 14 far away from the upper plate 1001 is provided with a guide groove 1402 along the length direction, two sides of each connecting rod 14 are provided with a sliding groove 1401 communicated with the guide groove 1402 along the length direction, one end of each second push-pull rod 502 far away from the extension rod 501 is inserted into the corresponding guide groove 1402, and the end part of each second push-pull rod 502 is fixedly provided with a plug pin 503 which penetrates through and is inserted into the corresponding sliding groove 1401;
The upper parts of the first side guard plate 3 and the second side guard plate 5 are fixedly provided with first magnets 16 perpendicular to the first side guard plate, an iron plate 20 is fixedly embedded in the position, close to the first magnets 16, of the lower surface of the mounting seat 2, the first magnets 16 can be adsorbed on the lower surface of the iron plate 20, and second magnets 17 are fixedly embedded in the two lower side edges of the first side guard plate 3 and the second side guard plate 5.
In the initial state, the first side guard 3 and the second side guard 5 are kept vertical to the mounting seat 2, the bottom guard 4 is kept vertical to the first side guard 3, so that the first side guard 3 on both sides, the two second side guards 5 on the front and the back parts and the two bottom guards 4 on the bottom just form a rectangular protection box, and the bottom guard 4 and the first magnet 16 on the upper part of the first side guard 3 are adsorbed on the iron plate 20 on the mounting seat 2, the two adjacent second magnets 17 on the lower side of the second side guard 5 and the lower side of the first side guard 3 are adsorbed to each other, so that the stability of the connection between the first side guard 3, the second side guard 5 and the mounting seat 2 and between the first side guard 3 and the second side guard 5 is ensured, and the overall stability of the protection box is ensured, and the mapping camera 12 is also positioned in the protection box in the initial state (and the lens of the mapping camera 12 in the initial state faces the front), so that the mapping camera 12 can take off and take the mapping camera 12 into the protection box by taking the special case;
When shooting is required, the telescopic ends of the electric telescopic rods 701 on two sides are controlled to extend outwards for a certain distance, so that the landing gear 6 on two sides is rotated upwards to two sides on the upper part, in the process, the landing gear 6 can pull the first push-pull rod 401 through the second connecting shaft 602, so that the first push-pull rod 401 pulls the bottom guard plate 4 outwards, pulls the bottom guard plate 4 to rotate outwards at the bottom of the first side guard plate 3 until the bottom guard plate 4 is parallel to the first side guard plate 3 and on a vertical plane, at the moment, the limiting plate 302 is just abutted against the outer side of the bottom guard plate 4, then the landing gear 6 continues to rotate upwards to continuously pull the bottom guard plate 4 outwards and obliquely upwards, at the moment, the bottom guard plate 4 and the first side guard plate 3 can be kept parallel under the action of the limiting plate 302, and the bottom guard plate 4 and the first side guard plate 3 can be pulled outwards and obliquely upwards around the rotating shaft between the first side guard plate 3 and the mounting seat 2 at the same time under the pulling of the first push-pull rod 401, so that the bottom guard plate 4 and the first side guard plate 3 are opened;
In addition, in the process of opening the bottom guard plate 4 and the first side guard plate 3, the shock absorbing plate 10, the triaxial holder 11 and the mapping camera 12 are driven downwards under the action of the linkage gear 703 and the first linkage rack 13, meanwhile, the shock absorbing plate 10 also drives the two connecting rods 14 at the front and rear parts to move downwards synchronously, the length of the sliding groove 1401 is smaller than the total length of the shock absorbing plate 10 in the downward movement, in the initial state, the plug 503 is abutted with the lower end of the sliding groove 1401, therefore, after the lower end of the connecting rods 14 is moved downwards until the upper end of the sliding groove 1401 is contacted with the plug 503, the shock absorbing plate 10 also drives the connecting rods 14 to move downwards, and at the moment, the lower end of the sliding groove 1401 downwards presses the plug 503 through the upper end of the sliding groove 1401, so that the two second side guard plates 502 at the front and rear parts push the second side guard plates 5 at the front and the rear parts outwards, the second side guard plates 5 at the front and the mounting seat 2 rotate forwards by a certain angle around the rotating shaft between the second side guard plates 5 at the front and the mounting seat 2, the second side guard plates rotate backwards by a certain angle around the rotating backwards and until the upper end of the rotating shaft between the second side guard plates and the mounting seat 2, the second side guard plates and the second side guard plates contact with the plug 503, the second side guard plates 14 at the second side guard plates extend out of the mapping camera body 12, and the mapping guard plates 12 can extend out of the mapping guard plates 12, and the mapping device can be realized, and the protective case is needed is stretched in the camera protection is stretched in the bottom case, and the camera is in the case is stretched.
As an embodiment of the present invention, referring to fig. 8, 10 to 12, a camera hanging device for mapping and aviation photography is provided with a lens cleaning component 8 and an exchange component 9 on the front surface of a second side guard 5 at the rear part;
The lens cleaning assembly 8 comprises two roller brushes 802 and a fixed plate 801 fixedly arranged at the lower part of the front surface of the rear second side protection plate 5, the two roller brushes 802 are arranged in an up-down parallel mode, two through holes which are parallel up and down and matched with the roller brushes 802 are formed in the fixed plate 801, one ends of the two roller brushes 802 penetrate through the two through holes respectively, a hexagonal prism-shaped connecting plug 803 coaxial with the fixed plate 801 is fixedly arranged at one end of the roller brushes 802, the other ends of the two roller brushes 802 are connected with the replacement assembly 9, the front surface of the second side protection plate 5 is respectively arranged at the end parts of the two roller brushes 802 in a rotating mode, two transmission shafts 804 are arranged at one ends of the transmission shafts 804 in a matched mode, the connecting plugs are spliced in the connecting holes, a second transmission gear 809 and a driven wheel 804 are respectively fixedly arranged on one transmission shaft 804, a third transmission gear 8010 meshed with the second transmission gear 809 is fixedly arranged on the other transmission shaft 804, a first transmission gear 806 is rotatably arranged above the fixed plate 801, a first transmission gear is rotatably arranged on the front surface of the rear second side protection plate 802, a second transmission gear is fixedly arranged on the second transmission plate 803, a second transmission plate 805 is fixedly meshed with the second transmission plate 803, and is fixedly arranged on the second transmission plate 803, and is movably and is meshed with a rack, and is arranged on the second transmission plate 803.
In particular, when the lens of the mapping camera 12 is stuck and prone to be doped during shooting, the lens of the mapping camera 12 is controlled to be turned to the right behind by the three-axis holder 11, and then the telescopic end of the electric telescopic rod 701 is controlled to retract to the original position, so that the landing gear 6, the bottom guard 4, the first side guard 3 and the second side guard 5 are retracted to the initial state, and during this process, the three-axis holder 11 and the lens-backwards mapping camera 12 are retracted upwards along with the shock-absorbing plate 10 to form a protective body, the first side guard 3 and the second side guard 5 are retracted upwards, then the telescopic end of the electric telescopic rod 701 is controlled to extend outwards for the same length as before, and during this process, the electric telescopic rod 701 still drives the landing gear 6, the bottom guard 4, the first side guard 3 and the second side guard 5 to rotate upwards in sequence as in the above process, the shock absorbing plate 10, the triaxial holder 11 and the mapping camera 12 with the lens facing backward are driven to move downwards to extend, and due to the arrangement of the sliding groove 1401 and the contact of the bolt 503 with the lower end of the sliding groove 1401 in the initial state, during the first half of the downward movement of the shock absorbing plate 10, the triaxial holder 11 and the mapping camera 12 (the distance of the process is equal to the length of the sliding groove 1401), the bolt 503 slides relatively with the sliding groove 1401, so that the sliding groove 1401 does not press down the bolt 503 in the process, thereby keeping the second side guard 5 at the lower part of the mounting seat 2 in the vertical direction, and keeping the second side guard 5 fixed under the adsorption force of the first magnet 16 and the iron plate 20, and the lens cleaning component 8 arranged at the front of the rear second side guard 5 is also kept at the vertical state along with the second side guard 5, meanwhile, in the process, the second linkage rack 15 moving downwards along with the shock-absorbing plate 10 is meshed with the first transmission gear 806, and drives the first transmission gear 806 to rotate with the driving wheel 807, at this time, the driving wheel 807 drives the transmission shaft 804 on the upper part to rotate through the transmission belt 808 and the driven wheel 805, the transmission shaft 804 drives the transmission shaft 804 on the lower part to rotate through the second transmission gear 809 and the third transmission gear 8010, at this time, the two transmission shafts 804 can drive the roller brush 802 to rotate around the axis thereof through the connecting hole and the connecting plug 803, and in addition, the mapping camera 12 also moves downwards along with the shock-absorbing plate 10 and the triaxial holder 11, and the lens of the mapping camera 12 moves backwards towards the roller brush 802, so that the rotating roller brush 802 can rotate the lens of the mapping camera 12, and impurities on the lens can be removed until the upper end of the sliding groove 1401 contacts with the plug 503, the upper end of the sliding groove 1401 can start to press down the plug 503, and the second side 5 of the front and rear push-pull part is pushed by pushing the second side 5 around the second rod 502, the second side guard 5 is enabled to rotate around the axis of the second side guard 5, the front side guard 2 is enabled to rotate around the rotation angle of the second side guard 2, and the lens is enabled to be separated from the front side guard 2 and the rear side guard 2 can rotate along with the rotation of the rotation holder 2.
As an embodiment of the present invention, referring to fig. 10 to 12, a camera hanging device for mapping and aerophotography, a replacing assembly 9 includes a pressing plate 901 and a nut 903 fixed on the front surface of a rear second side guard 5, a bolt 904 is mounted on the nut 903 in a threaded manner, the pressing plate 901 is rotatably mounted on an end of the bolt 904, two shaft sleeves 902 disposed in parallel up and down are respectively rotatably mounted on the pressing plate 901, one end of the shaft sleeve 902 is closed, the other end is open, and one ends of the two roller brushes 802 far away from the fixing plate 801 are respectively inserted into the two shaft sleeves 902.
When the roller brush 802 is needed to be replaced, the bolts 904 on the nuts 903 can be screwed to pull the pressing plate 901 to slide in the direction away from the roller brush 802, so that the shaft sleeve 902 is separated from the roller brush 802, then the roller brush 802 is pulled in the direction of the pressing plate 901, the connecting plug 803 on the roller brush 802 is separated from the connecting hole on the transmission shaft 804, the roller brush 802 is pulled out of the fixing plate 801, the roller brush 802 can be detached, then a new roller brush 802 is inserted into the fixing plate 801, the connecting plug 803 on the new roller brush 802 is inserted into the connecting hole at the end part of the transmission shaft 804, finally the bolts 904 are reversely screwed to push the pressing plate 901 and the shaft sleeve 902 to slide, and the shaft sleeve 902 is sleeved at the end of the roller brush 802 away from the transmission shaft 804, and the roller brush 802 can be replaced, so that the roller brush 802 can be replaced conveniently under the dirty condition.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (4)

1. The utility model provides a survey and drawing aerial photography is with camera hanging dress device, includes unmanned aerial vehicle, installs in square mount pad of unmanned aerial vehicle bottom and installs shock attenuation board and triaxial cloud platform in the mount pad below, its characterized in that: the middle part of the lower surface of the mounting seat is fixedly provided with a plurality of inverted T-shaped connecting columns distributed in a rectangular array, the periphery of the shock absorption plate is fixedly provided with a plurality of sleeves which are respectively sleeved on the plurality of connecting columns, and the shock absorption plate comprises a square upper layer plate and a square lower layer plate;
the two sides of the lower surface of the mounting seat are respectively provided with a T-shaped landing gear in a rotating way through a rotating shaft, the inner side of the landing gear is fixedly provided with a first connecting shaft, and the lower part of the landing gear is fixedly provided with a second connecting shaft;
Two symmetrically distributed folding assemblies are arranged on the two sides of the damping plate on the lower surface of the mounting seat, and the two folding assemblies are respectively connected with the first connecting shafts on the two sides;
The lower surfaces of the mounting seats are respectively positioned at the inner sides of the two landing gears and are respectively provided with first side guard plates which are symmetrically distributed left and right through rotating shafts, the lower ends of the two first side guard plates are respectively provided with a bottom guard plate through rotating shafts, the front part and the rear part of the lower surfaces of the mounting seats are respectively provided with a second side guard plate through rotating shafts, and the first side guard plates, the second side guard plates and the bottom guard plates can form a square protective box body;
The front surface of the second side guard plate positioned at the rear part is respectively provided with a lens cleaning component and an exchange component;
The folding assembly comprises an electric telescopic rod and a mounting rack fixedly mounted on the lower surface of the mounting seat, one end of the electric telescopic rod is fixedly provided with a linkage shaft, the electric telescopic rod is rotatably mounted on the lower portion of the mounting rack through the linkage shaft, the other end of the electric telescopic rod is rotatably connected with a first connecting shaft, the end of the linkage shaft is fixedly provided with a linkage gear, and two sides of the upper layer plate are vertically and fixedly provided with a first linkage rack meshed with the linkage gear;
The first side guard plate is positioned between the landing gear and the mounting frame, a rectangular through groove matched with the electric telescopic rod is formed in the first side guard plate, the electric telescopic rod penetrates through the through groove, a limiting plate parallel to the first side guard plate is fixedly arranged on the outer surface of the first side guard plate at the joint of the first side guard plate and the bottom guard plate, and one end of the limiting plate extends out of the first side guard plate;
The sum of the widths of the two bottom guard plates is equal to the width of the second side guard plate, the lower surfaces of the two bottom guard plates are respectively provided with a first push-pull rod through rotating shafts, and one end of the first push-pull rod, which is far away from the bottom guard plate, is rotationally connected with a second connecting shaft;
The inner side of the second side guard plate is fixedly provided with an extension rod, the end part of the extension rod is rotatably provided with a second push-pull rod through a rotating shaft, the front surface and the back surface of the upper plate are fixedly provided with connecting rods arranged along the vertical direction, one side of the connecting rod, which is far away from the upper plate, is provided with a guide groove along the length direction, two sides of the connecting rod are provided with sliding grooves communicated with the guide groove along the length direction, one end of the second push-pull rod, which is far away from the extension rod, is inserted into the guide groove, and the end part of the second push-pull rod is fixedly provided with a bolt which penetrates through and is inserted into the sliding grooves;
the upper parts of the first side guard plate and the second side guard plate are fixedly provided with first magnets perpendicular to the first magnets, iron plates are fixedly embedded in the positions, close to the first magnets, of the lower surfaces of the mounting seats, the first magnets can be adsorbed on the lower surfaces of the iron plates, and second magnets are fixedly embedded in the two lower side edges of the first side guard plate and the second side guard plate;
The lens cleaning assembly comprises two roller brushes and a fixed plate fixedly mounted on the lower portion of the front face of a rear second side protection plate, the two roller brushes are vertically arranged in parallel, two through holes which are vertically parallel and matched with the roller brushes are formed in the fixed plate, one ends of the two roller brushes penetrate through the two through holes respectively, one end of the roller brushes, which is close to the fixed plate, is fixedly provided with a hexagonal prism type connecting plug coaxial with the roller brushes, the other ends of the two roller brushes are connected with the replacement assembly, the front face of the second side protection plate is respectively provided with two transmission shafts in a rotating mode, one end of each transmission shaft is provided with a connecting hole matched with the connecting plug, the connecting plug is inserted into the connecting hole, one transmission shaft is respectively provided with a second transmission gear and a driven wheel, the other transmission shaft is fixedly provided with a third transmission gear meshed with the second transmission gear, the front face of the second side protection plate is provided with a first transmission gear in a rotating mode, the first transmission gear is fixedly mounted on the first transmission gear, the front face of the second side protection plate is provided with a first transmission gear in a rotating mode, the front face of the second side protection plate is fixedly mounted with a second transmission gear, and the second transmission plate is fixedly mounted on the second transmission plate and is in a vertically connected with a vertically connected layer plate.
2. The camera hitch apparatus for mapping aerial photography of claim 1, wherein: the four corners department of mount pad has all seted up echelonment mounting hole along thickness direction, and peg graft in the inside of mounting hole has fastening bolt, the screw hole with fastening bolt looks adaptation has been seted up to unmanned aerial vehicle's bottom surface, fastening bolt is through running through the mounting hole and threaded mounting at screw hole.
3. The camera hitch apparatus for mapping aerial photography of claim 1, wherein: the four corners department between upper plate and the lower plate all runs through and installs the connecting pin, and the outside cover of connecting pin is equipped with the hollow shock attenuation ball that is located between upper plate and the lower plate, sleeve fixed mounting is on the upper plate, and the triaxial tripod head is installed in the lower part of lower plate, and installs the survey and drawing camera on the triaxial tripod head.
4. The camera hitch apparatus for mapping aerial photography of claim 1, wherein: the replacement assembly comprises a pressing plate and a nut fixed on the front face of the rear second side guard plate, a bolt is installed on the nut in a threaded mode, the pressing plate is rotatably installed at the end portion of the bolt, two shaft sleeves which are arranged in parallel up and down are respectively rotatably installed on the pressing plate, one end of each shaft sleeve is in a closed shape, the other end of each shaft sleeve is in an open shape, and one ends, far away from the fixing plate, of each roller brush are respectively inserted into the two shaft sleeves.
CN202410259107.1A 2024-03-07 2024-03-07 Camera hanging device for surveying and mapping aerial photography Active CN117842405B (en)

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Application Number Priority Date Filing Date Title
CN202410259107.1A CN117842405B (en) 2024-03-07 2024-03-07 Camera hanging device for surveying and mapping aerial photography

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Application Number Priority Date Filing Date Title
CN202410259107.1A CN117842405B (en) 2024-03-07 2024-03-07 Camera hanging device for surveying and mapping aerial photography

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CN117842405B true CN117842405B (en) 2024-05-17

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Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106628211A (en) * 2017-03-16 2017-05-10 山东大学 Ground guiding type unmanned aerial vehicle flying landing system and method based on LED dot matrix
CN112550746A (en) * 2020-12-01 2021-03-26 吴昊 Unmanned aerial vehicle's survey and drawing specialty camera protector
CN214608054U (en) * 2021-03-19 2021-11-05 深圳星时空工程勘测有限公司 Aircraft for surveying and mapping aerial photography
CN214875641U (en) * 2021-06-09 2021-11-26 泸州合达源电子科技有限公司 Adjustable positioning device for surveying and mapping unmanned aerial vehicle camera
WO2022040904A1 (en) * 2020-08-25 2022-03-03 唐山哈船科技有限公司 Unmanned aerial vehicle cruise device for port safety monitoring
CN218022218U (en) * 2022-07-29 2022-12-13 河南天绘信息技术有限公司 Unmanned aerial vehicle for surveying and mapping photography
CN218907639U (en) * 2022-12-07 2023-04-25 袁渊 Survey and drawing unmanned aerial vehicle
CN116022376A (en) * 2023-02-03 2023-04-28 广西华遥空间信息科技有限公司 Cradle head anti-shake unmanned aerial vehicle that takes photo by plane
CN219077508U (en) * 2022-12-16 2023-05-26 甘肃省自然资源规划研究院 Surveying and mapping device based on unmanned aerial vehicle
CN117262275A (en) * 2023-10-08 2023-12-22 河南建材地质工程勘察院有限公司 Unmanned aerial vehicle surveying instrument based on GPS and using method thereof

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106628211A (en) * 2017-03-16 2017-05-10 山东大学 Ground guiding type unmanned aerial vehicle flying landing system and method based on LED dot matrix
WO2022040904A1 (en) * 2020-08-25 2022-03-03 唐山哈船科技有限公司 Unmanned aerial vehicle cruise device for port safety monitoring
CN112550746A (en) * 2020-12-01 2021-03-26 吴昊 Unmanned aerial vehicle's survey and drawing specialty camera protector
CN214608054U (en) * 2021-03-19 2021-11-05 深圳星时空工程勘测有限公司 Aircraft for surveying and mapping aerial photography
CN214875641U (en) * 2021-06-09 2021-11-26 泸州合达源电子科技有限公司 Adjustable positioning device for surveying and mapping unmanned aerial vehicle camera
CN218022218U (en) * 2022-07-29 2022-12-13 河南天绘信息技术有限公司 Unmanned aerial vehicle for surveying and mapping photography
CN218907639U (en) * 2022-12-07 2023-04-25 袁渊 Survey and drawing unmanned aerial vehicle
CN219077508U (en) * 2022-12-16 2023-05-26 甘肃省自然资源规划研究院 Surveying and mapping device based on unmanned aerial vehicle
CN116022376A (en) * 2023-02-03 2023-04-28 广西华遥空间信息科技有限公司 Cradle head anti-shake unmanned aerial vehicle that takes photo by plane
CN117262275A (en) * 2023-10-08 2023-12-22 河南建材地质工程勘察院有限公司 Unmanned aerial vehicle surveying instrument based on GPS and using method thereof

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