CN212921969U - Unmanned aerial vehicle is used in survey and drawing - Google Patents
Unmanned aerial vehicle is used in survey and drawing Download PDFInfo
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- CN212921969U CN212921969U CN202021925019.4U CN202021925019U CN212921969U CN 212921969 U CN212921969 U CN 212921969U CN 202021925019 U CN202021925019 U CN 202021925019U CN 212921969 U CN212921969 U CN 212921969U
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Abstract
The application relates to an unmanned aerial vehicle for surveying and mapping, which comprises a body, a driving rod, a first rotor system, a second rotor system, a first rotating ring, a second rotating ring, a supporting frame and a surveying and mapping device, wherein the driving rod is arranged on the body; the aircraft body is provided with a rotor wing opening, a steering mechanism is arranged in the rotor wing opening, a first placing table is fixedly connected onto the steering mechanism, a driving rod is rotatably connected onto the first placing table, a loop bar is sleeved outside the driving rod, and the driving rod and the loop bar are in transmission connection through a bevel gear and coaxially and reversely rotate; and the driving rod and the loop bar are provided with fixing pieces for preventing the driving rod and the loop bar from sliding relatively. The method and the device have the effect of improving the cruising ability.
Description
Technical Field
The application relates to the technical field of unmanned aerial vehicles, in particular to an unmanned aerial vehicle for surveying and mapping.
Background
The unmanned aerial vehicle is a remote sensing control aircraft which does not need a driver to board and drive and can be divided into three types of military use, civil use and consumption level. Unmanned aerial vehicle for survey and drawing belongs to civilian class, generally comprises aircraft and surveying instrument that carries on.
The utility model discloses an unmanned aerial vehicle is used in survey and drawing, including the fuselage body, set up in the camera of fuselage body bottom and set up the horn subassembly on the fuselage body, the draw-in groove around the fuselage body is seted up at fuselage body top, and the four corners of draw-in groove is provided with first connecting piece respectively, and the horn subassembly includes that four groups rotate the horn pole of connection on first connecting piece respectively, and the one end that the fuselage body was kept away from to the horn pole is provided with drive assembly.
For the related art described above: be provided with four drive assembly that have driving motor respectively on the fuselage body, and survey and drawing is less with unmanned aerial vehicle's fuselage normal size, can't bear the great battery of electric capacity, is provided with a plurality of driving motor after, and unmanned aerial vehicle power consumption is big in the unit interval, has the not enough problem of duration.
Disclosure of Invention
In order to solve the problem that the endurance of the multi-drive unmanned aerial vehicle is not enough, the application provides an unmanned aerial vehicle for surveying and mapping.
The application provides a pair of unmanned aerial vehicle for survey and drawing adopts following technical scheme:
an unmanned aerial vehicle for surveying and mapping comprises a body, two support frames and a surveying and mapping device; the aircraft body is provided with a rotor wing opening penetrating through the aircraft body in the thickness direction, a lifting mechanism used for controlling the flying height and a steering mechanism used for changing the flying direction are arranged in the rotor wing opening, a first placing table is fixedly arranged on the end face, close to the supporting frame, of the steering mechanism, the lifting mechanism is arranged on the first placing table, and the lifting mechanism comprises a driving motor, a driving rod, a loop bar, a first rotor wing system, a second rotor wing system, a driving bevel gear, a first driven bevel gear and a second driven bevel gear; the driving motor is fixedly connected to the first placing table, the driving rod is rotatably connected to the first placing table, the loop bar is sleeved outside the driving rod, and a fixing piece for preventing the loop bar from sliding in the length direction of the driving rod is arranged on the driving motor; the first rotor wing system is fixedly arranged at one end, far away from the first placing table, of the driving rod, and the second rotor wing system is fixedly arranged at one end, far away from the first placing table, of the loop bar; the driving bevel gear is fixedly connected to an output shaft of the driving motor, the first driven bevel gear and the second driven bevel gear are fixedly connected with the driving rod and the sleeve rod respectively, the driving bevel gear is meshed with the first driven bevel gear and the second driven bevel gear respectively, and the gear portion of the first driven bevel gear and the gear portion of the second driven bevel gear are arranged oppositely.
By adopting the technical scheme, under the working state of the unmanned aerial vehicle, the driving motor operates to drive the first rotor system and the second rotor system to coaxially rotate, so that the lift force required by the flight of the unmanned aerial vehicle is provided; under unmanned aerial vehicle operating condition, through the coaxial antiport of two rotor systems of bevel gear transmission system, the counter torque who produces when making rotor system rotatory offsets each other, reduces the possibility that takes place fuselage body rotation when unmanned aerial vehicle moves.
Preferably, the second blade and the first blade are arranged in a blade angle direction opposite to each other.
Through adopting above-mentioned technical scheme, first rotor system and the coaxial antiport of second rotor system, when the direction of the blade angle of second paddle and the opposite direction setting of the blade angle of first paddle, the effort direction of second rotor system to the fuselage body is the same with the effort direction of first rotor system to the fuselage body, improves driving motor's output efficiency.
Preferably, the number of the first blades is the same as the number of the second blades; the length of the first blade is the same as the length of the second blade.
Through adopting above-mentioned technical scheme, first rotor system and second rotor system include the paddle of the same figure and the same length, and at unmanned aerial vehicle during operation, first rotor system and second rotor system produce the counter-torque force of the same size, and both offset completely, further reduce the rotatory possibility of fuselage body.
Preferably, the driving motor is provided with a fixing piece for preventing the loop bar from sliding in the length direction of the fixing rod; the mounting includes the solid fixed ring of first solid fixed ring, second and linking arm, the solid fixed ring of first solid fixed ring and second sets up respectively in the both ends of linking arm, first solid fixed ring passes through the bearing with the actuating lever and rotates and be connected, and with first driven bevel gear butt, the solid fixed ring of second passes through the bearing with the loop bar and rotates to be connected, and with the driven bevel gear butt of second. And an output shaft of the driving motor penetrates through a connecting arm to be connected with the driving bevel gear, and the connecting arm is fixedly connected with the driving motor.
Through adopting above-mentioned technical scheme, under the unmanned aerial vehicle operating condition, driving motor rotates and connects through the bevel gear transmission and drive the loop bar and rotate, and at this moment, the loop bar can receive the component force along its length direction. By arranging the fixing pieces which are rotatably clamped with the driving rod and the sleeve rod respectively, on one hand, the sleeve rod can be prevented from sliding in the length direction of the driving rod, the first rotor system and the second rotor system are prevented from colliding, and the safety of the unmanned aerial vehicle is improved; on the other hand, the driving bevel gear can be tightly meshed with the driven bevel gear, the output efficiency of the driving motor is improved, and the effect of improving the cruising ability is achieved.
Preferably, a fixing block is fixedly arranged between the driving motor and the first placing table, a clamping groove used for limiting the position of the fixing piece is formed in the fixing block, and the connecting arm is embedded in the clamping groove.
Through taking above-mentioned technical scheme, the linking arm part of mounting inlays in the draw-in groove of locating the fixed block, and then fixed mounting, realizes preventing that the mounting from taking place the purpose of the displacement of relative actuating lever, reaches the effect of reinforcing stability.
Preferably, the steering mechanism comprises a first rotating ring arranged in the rotor port and a second rotating ring arranged in the first rotating ring, the first rotating ring is rotatably connected to the airframe body through two first connecting columns which are oppositely arranged, and a first control motor for driving the first connecting columns to rotate is fixedly arranged on the airframe body; the second rotating ring is rotatably connected to the first rotating ring through two second connecting columns which are arranged oppositely, a second control motor for driving the second connecting columns to rotate is fixedly arranged on the first rotating ring, the straight line where the first connecting columns are located is perpendicular to the straight lines where the two second connecting columns are located, and the first placing table is fixedly connected to the lower end face of the second rotating ring.
Through adopting above-mentioned technical scheme, under unmanned aerial vehicle operating condition, first rotating ring and second rotating ring combined action, first rotor system and second rotor system make first rotor system and second rotor system can deflect arbitrary angle to arbitrary direction along with the rotation of first rotating ring and second rotating ring, realize the effect that unmanned aerial vehicle flies to the horizontal direction of difference.
Preferably, the first control motor and the second control motor are both servo band-type brake motors.
By adopting the technical scheme, on one hand, the servo band-type brake motor can drive the connecting part connected with the servo band-type brake motor to rotate in different directions, and the connecting part drives the rotating ring fixed with the connecting part to deflect in different directions, so that the steering operation of the unmanned aerial vehicle is more convenient and faster, and the flexibility of the unmanned aerial vehicle is improved; on the other hand, servo band-type brake motor can stop rather than the connecting portion of being connected at a certain rotation gesture, and the connecting portion will stop rather than the swivel becket of fixing at a certain gesture that deflects, makes unmanned aerial vehicle can follow certain direction and be linear motion.
Preferably, the supporting frame is provided with a buffer device; the buffering device comprises a first connecting plate fixedly connected to the body of the machine body, a second connecting plate fixedly connected to the end of the supporting frame, a piston fixedly connected between the first connecting plate and the second connecting plate, and a spring sleeved outside the piston.
Through adopting above-mentioned technical scheme, when unmanned aerial vehicle descends, ground is to unmanned aerial vehicle's powerful effect, and buffer can reduce the impulsive force influence that unmanned aerial vehicle received, protects the organism.
In summary, the present application includes at least one of the following beneficial technical effects:
1. by arranging the first rotor system and the second rotor system which coaxially and reversely rotate, the effects of improving the output efficiency of the driving motor, reducing the energy consumption of the unmanned aerial vehicle and improving the cruising ability of the unmanned aerial vehicle are achieved;
2. the first rotating ring and the second rotating ring controlled by the servo band-type brake motor are arranged to control the deflection postures of the first rotor system and the second rotor system on the plane where the first rotor system and the second rotor system are located, so that the unmanned aerial vehicle can fly towards different directions, and the effect of improving the flexibility of the unmanned aerial vehicle is achieved;
3. by arranging the fixing piece, the loop bar is prevented from sliding in the length direction of the driving rod, so that on one hand, the second rotor system is prevented from colliding with the first rotor system, and the effect of improving the safety of the unmanned aerial vehicle is achieved; on the other hand, the first driven bevel gear and the second driven bevel gear are ensured to be tightly meshed with the driving bevel gear, the output efficiency of the driving motor is improved, and the effect of improving the cruising ability of the unmanned aerial vehicle is achieved;
4. through setting up buffer, the impulsive force that produces when reducing unmanned aerial vehicle descending reaches the effect that promotes unmanned aerial vehicle wholeness to the influence of fuselage body.
Drawings
FIG. 1 is a schematic structural view of the present embodiment;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;
fig. 4 is a schematic structural view of a fixing block, a fixing member and a part of the elevating mechanism.
Description of reference numerals: 1. a body; 11. a rotor port; 2. a first rotating ring; 21. a first connecting column; 22. a first control motor; 3. a second rotating ring; 31. a second connecting column; 32. a second control motor; 4. a first placing table; 41. a drive motor; 411. a drive bevel gear; 42. a drive rod; 421. a first driven bevel gear; 43. a loop bar; 431. a second driven bevel gear; 44. a fixing member; 441. a first retaining ring; 442. a second retaining ring; 443. a connecting arm; 45. a fixed block; 451. a card slot; 5. a second placing table; 6. a first rotor system; 61. a first rotating table; 62. a first blade; 7. a second rotor system; 71. a second rotating table; 72. a second blade; 8. a support frame; 81. a buffer device; 811. a first connecting plate; 812. a second connecting plate; 813. a piston; 814. a spring; 9. a surveying and mapping device.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses unmanned aerial vehicle is used in survey and drawing. Referring to fig. 1, it includes a body 1 and two support frames 8 for supporting the body 1. The fuselage body 1 is the setting of cuboid, and two support frames 8 are the relative both sides of lower terminal surface of vertical fixation in fuselage body 1 respectively. A second placing table 5 is fixedly arranged on one side of the machine body 1 close to the first placing table 4, and a surveying and mapping device 9 (see fig. 3) is fixedly arranged on one side of the second placing table 5 far away from the machine body 1.
The fuselage body 1 is provided with a circular rotor wing opening 11, and the rotor wing opening 11 penetrates through the thickness direction of the chassis body. A steering mechanism for adjusting the flight direction and a lifting mechanism for controlling the flight height are arranged in the rotor wing opening 11.
Referring to fig. 2, the steering structure includes a first rotating ring 2 and a second rotating ring 3, the first rotating ring 2 is rotatably connected with the body 1 through two first connecting posts 21 which are oppositely arranged, one end of each first connecting post 21 is rotatably connected with the body 1, the other end of each first connecting post is fixedly connected with the first rotating ring 2, and a first control motor 22 for driving the first connecting posts 21 to rotate is fixedly arranged on the body 1. The second rotating ring 3 is arranged in the first rotating ring 2, the second rotating ring 3 is rotatably connected with the first rotating ring 2 through two second connecting columns 31 which are oppositely arranged, one end of each second connecting column 31 is rotatably connected with the first rotating ring 2, the other end of each second connecting column is fixedly connected with the second rotating ring 3, and a second control motor 32 for driving the second connecting columns 31 to rotate is fixedly arranged on the outer wall surface of the first rotating ring 2.
Referring to fig. 2 and 3, the elevating structure includes a driving motor 41, a driving rod 42, a loop bar 43, a fixing member 44, a fixing block 45, a first rotor system 6, a second rotor system 7, a driving bevel gear 411, a first driven bevel gear 421, and a second driven bevel gear 431.
The end face of the second rotating ring 3 close to the support frame 8 is fixedly provided with a first placing table 4, one side of the first placing table 4 close to the machine body 1 is vertically inserted with a driving rod 42, and the driving rod 42 is rotatably connected with the first placing table 4. The end of the driving rod 42 far away from the first placing table 4 is fixedly connected with a first rotor system 6, and the end of the loop bar 43 far away from the first placing table 4 is fixedly connected with a second rotor system 7.
The first rotor system 6 comprises a first rotary table 61 fixed to the drive rod 42 and six first blades 62 uniformly fixed to the first rotary table 61, and the second rotor system 7 comprises a second rotary table 71 fixed to the stem 43 and six second blades 72 uniformly fixed to the second rotary table 71.
The length of the first paddle 62 is the same as the length of the second paddle 72, and the blade angle of the first paddle 62 is opposite to the blade angle of the second paddle 72.
Referring to fig. 4, a fixing block 45 is fixedly arranged on one side of the first placing table 4 close to the body 1, a clamping groove 451 is vertically formed in the end surface of the fixing block 45 close to the driving rod 42, the driving motor 41 is fixedly arranged on one side of the fixing block 45 close to the body 1, the driving bevel gear 411 is fixedly connected to an output shaft of the driving motor 41, a first driven bevel gear 421 is fixedly arranged at one end of the driving rod 42 close to the first placing table 4, a second driven bevel gear 431 is fixedly arranged at one end of the loop bar 43 close to the first placing table 4, the first driven bevel gear 421 and the second driven bevel gear 431 are arranged in a gear tooth position, and the first driven bevel gear 421 is arranged above the second driven bevel gear 431. The drive bevel gear 411 is engaged with both the first driven bevel gear 421 and the second driven bevel gear 431.
The driving motor 41 is fixedly provided with a fixing member 44, and the fixing member 44 includes a first fixing ring 441, a second fixing ring 442, and a connecting arm 443. The connecting arm 443 is fixedly connected to the body of the driving motor 41, and the output shaft of the driving motor 41 passes through the connecting arm 443 to be fixedly connected to the drive bevel gear 411. The first fixing ring 441 is rotatably coupled to the drive rod 42 via a bearing and abuts against the first driven bevel gear 421, and the second fixing ring 442 is rotatably coupled to the sleeve rod 43 via a bearing and abuts against the second driven bevel gear 431. The first fixing ring 441 and the second fixing ring 442 are respectively fixed at two ends of the connecting arm 443 in the length direction through a horizontal plate, and the connecting arm 443 is clamped in the clamping groove 451.
Referring to fig. 3, two support frames 8 are respectively disposed at both sides of the second placing table 5, and each support frame 8 is connected to the body 1 through two buffering devices 81. The buffering device 81 includes a first connecting plate 811 fixedly connected to the body 1, a second connecting plate 812 fixedly connected to the end surface of the supporting frame 8, a piston 813 fixedly disposed between the first connecting plate 811 and the second connecting plate 812, and a spring 814 sleeved outside the piston 813, wherein two ends of the spring 814 are respectively and fixedly connected to the first connecting plate 811 and the second connecting plate 812.
The unmanned aerial vehicle's of this application embodiment survey and drawing usefulness implementation principle does: the battery is mounted on the first placing table 4, and is electrically and mechanically connected to the driving motor 41, the first control motor 22, and the second control motor 32. When unmanned aerial vehicle flies, driving motor 41 works, it rotates to drive bevel gear 411, drive bevel gear 411 passes through gear drive and drives first driven bevel gear 421 and second driven bevel gear 431 and rotate, first driven bevel gear 421 and second driven bevel gear 431 drive the coaxial antiport of actuating lever 42 and loop bar 43 respectively, and then drive the coaxial antiport of first rotor system 6 and second rotor system 7, the counter torque that first rotor system 6 produced and second rotor system 7 produced offsets each other, avoid unmanned aerial vehicle rotation. When unmanned aerial vehicle need turn to, first control motor 22 and the work of second control motor 32 drive first spliced pole 21 and second spliced pole 31 respectively and rotate, and first spliced pole 21 and second spliced pole 31 drive first rotating ring 2 and the rotation of second rotating ring 3 respectively to first rotor system 6 takes place to deflect with second rotor system 7 during, reaches the purpose that changes unmanned aerial vehicle's direction of motion. During the survey and drawing, unmanned aerial vehicle can keep hovering the state, also can keep first rotor system 6 and second rotor system 7 in specific gesture of deflecting through the control motor of servo band-type brake, makes unmanned aerial vehicle fly along formulating the movement track. When unmanned aerial vehicle descends, buffer 81 arranged on support frame 8 can effectively reduce the damage of ground impulsive force to unmanned aerial vehicle.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides an unmanned aerial vehicle is used in survey and drawing, includes fuselage body (1), two support frames (8) and mapping device (9), its characterized in that: the aircraft body (1) is provided with a rotor wing opening (11) penetrating through the aircraft body in the thickness direction, and a lifting mechanism for controlling the flying height and a steering mechanism for controlling the flying direction are arranged in the rotor wing opening (11); a first placing table (4) is fixedly arranged on the end face, close to the support frame (8), of the steering mechanism, the lifting mechanism is arranged on the first placing table (4), and the lifting mechanism comprises a driving motor (41), a driving rod (42), a loop bar (43), a first rotor system (6), a second rotor system (7), a driving bevel gear (411), a first driven bevel gear (421) and a second driven bevel gear (431); the driving motor (41) is fixedly connected to the first placing table (4), the driving rod (42) is rotatably connected to the first placing table (4), and the sleeve rod (43) is sleeved outside the driving rod (42); the driving motor (41) is provided with a fixing piece (44) for preventing the sleeve rod (43) from sliding in the length direction of the driving rod (42); the first rotor system (6) is fixedly arranged at one end, far away from the first placing table (4), of the driving rod (42), and the second rotor system (7) is fixedly arranged at one end, far away from the first placing table (4), of the loop bar (43); the driving bevel gear (411) is fixedly connected to an output shaft of the driving motor (41), the first driven bevel gear (421) and the second driven bevel gear (431) are fixedly connected with the driving rod (42) and the sleeve rod (43) respectively, the driving bevel gear (411) is meshed with the first driven bevel gear (421) and the second driven bevel gear (431) respectively, and the gear part of the first driven bevel gear (421) and the gear part of the second driven bevel gear (431) are arranged oppositely; the first rotor system (6) comprises a first rotating platform (61) fixed with the driving rod (42) and six first blades (62) uniformly fixed on the first rotating platform (61), and the second rotor system (7) comprises a second rotating platform (71) fixed with the loop bar (43) and six second blades (72) uniformly fixed on the second rotating platform (71).
2. Unmanned aerial vehicle for surveying and mapping of claim 1, characterized in that: the blade angle of the first blade (62) is opposite to the blade angle of the second blade (72).
3. Unmanned aerial vehicle for surveying and mapping according to claim 2, wherein: the number of first paddles (62) is the same as the number of second paddles (72); the first paddle (62) has a length that is the same as a length of the second paddle (72).
4. Unmanned aerial vehicle for surveying and mapping of claim 1, characterized in that: the fixing part (44) comprises a first fixing ring (441), a second fixing ring (442) and a connecting arm (443), the connecting arm (443) is fixedly connected with the body of the driving motor (41), and the output shaft of the driving motor (41) passes through the connecting arm (443) to be connected with the driving bevel gear (411); the first fixing ring (441) and the second fixing ring (442) are respectively arranged at two ends of the connecting arm (443), the first fixing ring (441) is rotatably connected with the driving rod (42) through a bearing and abutted against the first driven bevel gear (421), and the second fixing ring (442) is rotatably connected with the sleeve rod (43) through a bearing and abutted against the second driven bevel gear (431).
5. Unmanned aerial vehicle for surveying and mapping according to claim 4, wherein: a fixed block (45) is fixedly arranged between the driving motor (41) and the first placing table (4), and a clamping groove (451) for fixing a fixed part (44) is formed in the fixed block (45); the connecting arm (443) is embedded in the clamping groove (451).
6. Unmanned aerial vehicle for surveying and mapping of claim 1, characterized in that: the steering mechanism comprises a first rotating ring (2) arranged in the rotor wing opening (11) and a second rotating ring (3) arranged in the first rotating ring (2), the first rotating ring (2) is rotatably connected to the machine body (1) through two first connecting columns (21) which are oppositely arranged, and a first control motor (22) for driving the first connecting columns (21) to rotate is fixedly arranged on the machine body (1); the second rotating ring (3) is rotatably connected to the first rotating ring (2) through two second connecting columns (31) which are arranged oppositely, a second control motor (32) for driving the second connecting columns (31) to rotate is fixedly arranged on the first rotating ring (2), and a straight line where the two first connecting columns (21) are located is perpendicular to a straight line where the two second connecting columns (31) are located; the first placing table (4) is fixedly arranged on the lower end face of the second rotating ring (3).
7. Unmanned aerial vehicle for surveying and mapping according to claim 6, wherein: the first control motor (22) and the second control motor (32) are both servo band-type brake motors.
8. Unmanned aerial vehicle for surveying and mapping of claim 1, characterized in that: a buffer device (81) is arranged on the support frame (8); the buffer device (81) comprises a first connecting plate (811) fixedly connected to the body (1), a second connecting plate (812) fixedly connected to the end of the support frame (8), a piston (813) fixedly connected between the first connecting plate (811) and the second connecting plate (812), and a spring (814) sleeved outside the piston (813).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021925019.4U CN212921969U (en) | 2020-09-05 | 2020-09-05 | Unmanned aerial vehicle is used in survey and drawing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021925019.4U CN212921969U (en) | 2020-09-05 | 2020-09-05 | Unmanned aerial vehicle is used in survey and drawing |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113022845A (en) * | 2021-05-27 | 2021-06-25 | 北京航空航天大学 | Coaxial tilt rotor aircraft and thin-film aircraft combined with same |
| CN114735218A (en) * | 2022-04-12 | 2022-07-12 | 江苏信博建设项目管理有限公司 | Three-dimensional topography mapping device based on unmanned aerial vehicle |
-
2020
- 2020-09-05 CN CN202021925019.4U patent/CN212921969U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113022845A (en) * | 2021-05-27 | 2021-06-25 | 北京航空航天大学 | Coaxial tilt rotor aircraft and thin-film aircraft combined with same |
| CN114735218A (en) * | 2022-04-12 | 2022-07-12 | 江苏信博建设项目管理有限公司 | Three-dimensional topography mapping device based on unmanned aerial vehicle |
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