CN116495220A - Unmanned aerial vehicle multiaxis photoelectricity nacelle - Google Patents
Unmanned aerial vehicle multiaxis photoelectricity nacelle Download PDFInfo
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- CN116495220A CN116495220A CN202310753697.9A CN202310753697A CN116495220A CN 116495220 A CN116495220 A CN 116495220A CN 202310753697 A CN202310753697 A CN 202310753697A CN 116495220 A CN116495220 A CN 116495220A
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- 230000005622 photoelectricity Effects 0.000 title claims description 7
- 238000013016 damping Methods 0.000 claims abstract description 31
- 230000035939 shock Effects 0.000 claims abstract description 25
- 238000003384 imaging method Methods 0.000 claims abstract description 18
- 238000010521 absorption reaction Methods 0.000 claims abstract description 12
- 239000000758 substrate Substances 0.000 claims description 21
- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000005693 optoelectronics Effects 0.000 claims 3
- 238000000034 method Methods 0.000 abstract description 10
- 230000008569 process Effects 0.000 abstract description 9
- 230000000694 effects Effects 0.000 description 17
- 238000009434 installation Methods 0.000 description 10
- 230000003139 buffering effect Effects 0.000 description 6
- 239000006096 absorbing agent Substances 0.000 description 5
- 238000011835 investigation Methods 0.000 description 5
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 230000006872 improvement Effects 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000001931 thermography Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000015110 jellies Nutrition 0.000 description 1
- 239000008274 jelly Substances 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U20/00—Constructional aspects of UAVs
- B64U20/80—Arrangement of on-board electronics, e.g. avionics systems or wiring
- B64U20/87—Mounting of imaging devices, e.g. mounting of gimbals
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
- F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U2101/00—UAVs specially adapted for particular uses or applications
- B64U2101/30—UAVs specially adapted for particular uses or applications for imaging, photography or videography
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/40—Weight reduction
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Jib Cranes (AREA)
- Accessories Of Cameras (AREA)
Abstract
The invention belongs to the technical field of unmanned aerial vehicle-mounted imaging equipment, and discloses an unmanned aerial vehicle multi-axis photoelectric pod which comprises a damping connecting component, a shell component, an azimuth axis component, a pitching axis component and an imaging component, wherein the damping connecting component is used for being connected with a connecting part of an unmanned aerial vehicle; the connecting part is provided with a connecting surface, the connecting surface is provided with a nacelle connecting hole for connecting with the shock absorption connecting component, the inner wall of the nacelle connecting hole is at least provided with a positioning section along the axial direction of the hole, and the positioning section is provided with a plurality of spline grooves along the circumferential direction; the outer side of the nacelle connecting hole is provided with spaced threaded connecting grooves; the damping connecting component comprises a connecting seat, a buffer seat in telescopic connection with the connecting seat and a first damping spring arranged between the buffer seat and the connecting seat, wherein the diameter of the buffer seat is smaller than or equal to that of the connecting seat. The invention can ensure the stability of the photoelectric pod in the shock absorption process through the limit fit of three directions, and is convenient to assemble and disassemble.
Description
Technical Field
The invention belongs to the technical field of unmanned aerial vehicle-mounted imaging equipment, and particularly relates to an unmanned aerial vehicle multi-axis photoelectric pod.
Background
With the high-speed development of unmanned aerial vehicle technology, unmanned aerial vehicle investigation is gradually replacing manual investigation, so that the labor cost is reduced, and the investigation efficiency is improved. The photoelectric nacelle is a part of unmanned aerial vehicle mission load, and a thermal imaging device is arranged in the photoelectric nacelle, so that all-weather real-time thermal imaging investigation is realized.
The photoelectric pod is also a common mounting device of the unmanned aerial vehicle and is used for the unmanned aerial vehicle to execute the tasks of aerial photography, investigation, distance measurement, mapping and the like; the high-frequency vibration of the unmanned aerial vehicle propeller is transmitted to the photoelectric pod, so that the image jelly effect and the high-frequency vibration are easily caused, and the image effect of the photoelectric pod is directly influenced; in order to eliminate the adverse effect of flight platform transmission, often install the bumper shock absorber between photoelectric pod and the flight platform, and the bumper shock absorber has both increased the complexity of connection, also is inconvenient for photoelectric pod's dismouting and maintenance to current bumper shock absorber structure is although can realize the absorbing effect, and its photoelectric pod also reduces for unmanned aerial vehicle fuselage's stability is corresponding.
Disclosure of Invention
Therefore, the invention aims to provide the unmanned aerial vehicle multi-axis photoelectric pod which can realize a damping effect, is convenient to assemble and disassemble and has better stability.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the unmanned aerial vehicle multiaxis photoelectric pod comprises a damping connecting component, a shell component, an azimuth axis component, a pitching axis component and an imaging component, wherein the damping connecting component is used for being connected with a connecting part of an unmanned aerial vehicle;
the connecting part is provided with a connecting surface, the connecting surface is provided with a nacelle connecting hole for connecting with the shock absorption connecting component, the inner wall of the nacelle connecting hole is at least provided with a positioning section along the axial direction of the hole, and the positioning section is provided with a plurality of spline grooves along the circumferential direction; the outer side of the nacelle connecting hole is provided with spaced threaded connecting grooves; the damping connecting component comprises a connecting seat, a buffer seat in telescopic connection with the connecting seat and a first damping spring arranged between the buffer seat and the connecting seat, wherein the diameter of the buffer seat is smaller than or equal to that of the connecting seat, and a plurality of splines used for being in clamping fit with the spline grooves are arranged on the outer wall of the connecting seat along the circumferential direction so that the connecting seat and the connecting part can form a limiting relationship in the horizontal direction and the circumferential direction;
the buffer seat is provided with mounting grooves distributed along the circumferential direction, a supporting spiral cover is movably sleeved in the mounting grooves, the supporting spiral cover is provided with a threaded connection part extending upwards, and the threaded connection part is in threaded fit with the threaded connection grooves, so that the buffer seat and the supporting spiral cover form a limiting relationship in the longitudinal direction.
In a possible implementation manner, the shell assembly comprises a connecting substrate connected with the buffer seat, the bottom of the connecting substrate is connected with two mutually symmetrical side shells through a guide connecting seat, the side shells can rotate along the circumferential direction of the guide connecting seat, a main shell is arranged between the two side shells, the main shell is connected with the side shells on the two sides through a pitching shaft assembly, and an imaging assembly is arranged in the main shell;
the main shell is connected with the connecting base plate through the azimuth shaft assembly.
In a possible implementation manner, the azimuth shaft assembly comprises a rotating connecting sleeve penetrating through the connecting substrate and connected with the main shell, the rotating connecting sleeve is in rotating fit with the connecting substrate, and the rotating connecting sleeve is connected with a first driving motor through a transmission part so as to drive the rotating connecting sleeve to rotate around the axial direction through the first driving motor;
the inner side of the rotary connecting sleeve is in rotary fit with a guide main shaft with a relatively fixed position, and one end of the guide main shaft penetrates out of the rotary connecting sleeve and is in sliding fit with a connecting plate arranged in the connecting seat.
In a possible implementation manner, the buffer seat is penetrated up and down, the guide main shaft penetrates through the connecting plate, a sliding sleeve is arranged between the connecting plate and the guide main shaft, and the sliding sleeve is in sliding fit with the guide main shaft;
the two ends of the guide main shaft are respectively provided with a first limiting part and a second limiting part, the first limiting part and the sliding sleeve form a limiting relationship in the axial direction, and the second limiting part and the rotating connecting sleeve form a limiting relationship in the axial direction.
In a possible implementation manner, a limiting plate extending radially is arranged on the periphery of the top end of the supporting spiral cover, the limiting plate extending radially is arranged on the periphery of the top end of the supporting spiral cover, and at least one locking hole is distributed on the limiting plate along the circumferential direction; at least one first mounting hole is formed in the top of the threaded connecting groove along the circumferential direction, a lock shaft is slidably matched in the first mounting hole, a limiting convex part is arranged in the middle of the lock shaft, a limiting spring sleeved on the outer side of the lock shaft is arranged between the limiting convex part and the bottom end of the first mounting hole, a first pressing inclined plane is arranged at the top end of the lock shaft, and a sliding groove is formed in the first pressing inclined plane;
the side wall of the first mounting hole is also provided with a second mounting hole along the transverse direction, the second mounting hole is vertical to the first mounting hole, a pressing shaft and a screw rod are arranged in the first mounting hole, the screw rod is coaxially connected with the pressing shaft and can rotate relatively, one end of the pressing shaft, which is away from the screw rod, is provided with a second pressing inclined plane, the second pressing inclined plane is parallel to the first pressing inclined plane, and a guide protrusion which is in sliding fit with the chute is arranged on the second pressing inclined plane; the second mounting hole is in threaded fit with the screw rod, and the screw rod penetrates out of the second mounting hole and is connected with a knob.
In a possible implementation manner, a rotation support sleeve is arranged between the connection substrate and the rotation connection sleeve, and the rotation support sleeve is fixedly connected with the connection substrate and is rotationally connected with the rotation connection sleeve through a bearing.
In a possible implementation, the outer sidewall diameter of the screw connection groove is larger than the outer diameter of the support screw cap, so that an operating space for screwing operation is formed between the support screw cap and the outer sidewall of the screw connection groove.
In a possible implementation manner, when the supporting screw cap is locked with the connecting portion, the first damping spring is in a pressed state and makes the buffer seat abut against the supporting screw cap.
In a possible implementation, the connection part is a pod mount for fixing to the unmanned aerial vehicle, or the connection part is a fuselage portion of the unmanned aerial vehicle bottom.
In a possible implementation, the imaging assembly includes a visible light camera assembly, an infrared camera control circuit board, and a gyroscopic sensor disposed within the main housing.
Compared with the prior art, the invention has the following beneficial effects:
according to the unmanned aerial vehicle multi-axis photoelectric pod, the unmanned aerial vehicle multi-axis photoelectric pod has a damping function through the damping connecting component without additionally installing a damper, and the connecting seat and the pod connecting hole of the unmanned aerial vehicle connecting part are respectively provided with the spline and the Hua Jiancao, so that the spline and the spline groove can be convenient for connecting the connecting seat with the pod connecting hole, and also can realize the limiting in the horizontal direction and the circumferential direction, and simultaneously can realize the longitudinal limiting and supporting after the supporting rotating cover is locked with the connecting part, the stability of the photoelectric pod in the damping process can be ensured through the limiting cooperation of three directions, the photoelectric pod can be conveniently disassembled, the purposes of damping, convenient disassembly and stability improvement can be realized through the mutual cooperation of fewer parts, and the relatively complicated disassembly and assembly caused by the need of fastening connection such as bolts are avoided.
Moreover, the guide main shaft is arranged on the inner side of the rotary connecting sleeve, and the guide main shaft is simultaneously connected with the two connecting seats which can move relatively and the rotary connecting sleeve, so that the coaxial precision of the rotary connecting sleeve in rotation can be improved, the stable effect in the buffering process can be realized, the stability between the photoelectric pod and the unmanned aerial vehicle is better, and the imaging effect of the photoelectric pod can be improved.
Meanwhile, in some application scenes, the damping value between the connecting seat and the buffer seat is adjusted through the supporting screw cap, so that the damping effect is adjustable, the damping effect is greatly improved, the locking device is more practical, the supporting screw cap can be conveniently locked after being locked, the supporting screw cap is prevented from loosening due to high-frequency vibration of the unmanned aerial vehicle, the operation is convenient, and the locking effect is good.
In addition, unmanned aerial vehicle multiaxis photoelectricity nacelle overall structure reasonable in design, simple to operate, swift, easily installation and dismantlement have avoided the problem that can only install that needs to use fastener such as more bolts, have improved the convenience of installation, maintenance, dismantlement.
Drawings
FIG. 1 is a cross-sectional view of an embodiment of the present application;
FIG. 2 is an enlarged partial schematic view of FIG. 1;
FIG. 3 is a front view of an embodiment of the present application;
FIG. 4 is a cross-sectional view of an embodiment of the present application at installation;
FIG. 5 is an enlarged partial schematic view of FIG. 4;
fig. 6 is a schematic structural diagram of a pod mount at a connection portion according to an embodiment of the present application.
In the figure: 1-a shock absorbing connection assembly; 11-connecting seats; 12-a buffer seat; 13-a first shock-absorbing spring; 14-supporting the screw cap; 141-limiting plates; 142-lockholes; 15-mounting grooves; 16-guiding the main shaft; 17-connecting plates; 18-sliding sleeve; 19-spline; a 2-housing assembly; 21-connecting the substrate; 22-guiding connecting seats; 23-side housing; 24-a main housing; 3-pod mount; 31-a fixing plate; 32-connecting surfaces; 33-pod connection holes; 34-a threaded connection groove; 35-spline grooves; 36-a first mounting hole; 37-limit springs; 38-locking the shaft; 381-a limit head; 382-limit projection; 383-an abutting inclined plane; 4-pitch axis assembly; a 5-azimuth axis assembly; 51-rotating the connecting sleeve; 52-a first gear; 53-a second gear; 54-a first drive motor; 55-rotating the supporting sleeve; a 6-imaging assembly; 7-a screw; 8-a second mounting hole; 9-a second pressing inclined plane; 10-pressing the shaft.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
The invention is further described with reference to the drawings and specific examples.
Referring to fig. 1-6, an embodiment of the present application provides an unmanned aerial vehicle multiaxial photoelectric pod, which includes a shock absorbing connecting component 1 connected with a connecting portion of an unmanned aerial vehicle, a housing component 2 connected with the shock absorbing connecting component 1, and an azimuth axis component 5, a pitch axis component 4 and an imaging component 6 all disposed in the housing.
The connecting part is provided with a connecting surface 32, the connecting surface 32 is provided with a nacelle connecting hole 33 used for being connected with the shock absorption connecting assembly 1, the inner wall of the nacelle connecting hole 33 is at least provided with a positioning section along the axial direction of the hole, and the positioning section is provided with a plurality of spline grooves 35 along the circumferential direction; the outside of the nacelle connecting hole 33 is provided with spaced screw thread connecting grooves 34; the shock attenuation coupling assembling 1 includes connecting seat 11, with connecting seat 11 telescopic connection's buffering seat 12 and locate the first damping spring 13 between buffering seat 12 and connecting seat 11, and the diameter of buffering seat 12 is less than or equal to the diameter of connecting seat 11, and is equipped with a plurality of spline 19 that are used for with spline groove 35 inlay card complex along circumference at the outer wall of connecting seat 11 to in horizontal direction and circumference, make connecting seat 11 and connecting portion homoenergetic constitute spacing relation.
The connection part can be a connection part or a connection part of the unmanned aerial vehicle, which is suitable for installing the photoelectric pod. The pod connecting hole 33 of the connecting part can be used for loading the shock absorption connecting component 1 of the photoelectric pod, and the shock absorption connecting component can be in clamping fit with the spline 19 at the outer side of the connector base through the spline groove 35 of the positioning section, namely, the two can be mutually inserted in the circumferential direction to realize connection, after connection, the spline groove 35 is tightly matched with the spline 19, so that the limiting in the horizontal direction and the circumferential direction can be realized, namely, the shock absorption connecting component cannot rotate and can move in any direction on the horizontal plane, and only can longitudinally move, thereby being convenient for shock absorption action in the longitudinal direction. The first damper spring 13 between the connection seat 11 and the damper seat 12 may play a damping role. And the screw-coupling groove 34 provided in the pod coupling hole 33 facilitates the installation of the support screw 14.
Meanwhile, the buffer seat 12 has a mounting groove 15 distributed along the circumferential direction, a supporting screw cap 14 is movably sleeved in the mounting groove 15, the supporting screw cap 14 has a threaded connection portion extending upwards, and the threaded connection portion is in threaded fit with the threaded connection groove 34, so that the buffer seat 12 and the supporting screw cap 14 form a limiting relationship in the longitudinal direction.
The mounting groove 15 can be convenient for support the rotator of spiral cover 14 and provide the space that reciprocates to more nimble and convenient connect, and the limit structure who constitutes between mounting groove 15 and the support spiral cover 14 can make both mutually support when locking, makes first damping spring 13 cushion with certain compressed state or holds the power state, and the shock attenuation effect is better like this. The support screw cap 14 is screwed to the screw groove 34 by the screw connection portion, and is detachably and locked by the screw connection.
In some application scenarios, the locking length or locking distance of the threaded connection groove 34 in the axial direction can be prolonged, so that the force accumulation degree of the first damping spring 13 can be adjusted, and further, the damping adjustment can be realized.
Through foretell technical scheme, shock attenuation coupling assembling 1 and photoelectricity nacelle structure as an organic whole, make it possess shock-absorbing function, and do not need to install the bumper shock absorber additional, the structure is also simpler, and through set up spline 19 and Hua Jiancao respectively in the nacelle connecting hole 33 of connecting seat 11 and unmanned aerial vehicle connecting portion, spline 19 and spline groove 35 can be enough be convenient for connecting seat 11 and nacelle connecting hole 33's connection, also can realize spacing in horizontal direction and circumference, simultaneously after supporting spiral cover 14 and connecting portion locking, can realize fore-and-aft spacing and support, so can guarantee photoelectricity nacelle stability in the shock attenuation in-process through the spacing cooperation of three directions, also can be convenient for the dismouting, the purpose of shock attenuation has been realized with the mutual cooperation between less part and the part, be convenient for dismouting and stability improvement, the comparatively loaded down with trivial details problem of dismouting that needs to adopt fastener connection such as bolt to bring has been avoided.
In an embodiment, the housing assembly 2 includes a connection substrate 21 connected to the buffer seat 12, two symmetrical side housings 23 are connected to the bottom of the connection substrate 21 through a guide connection seat 22, the side housings 23 can rotate along the circumferential direction of the guide connection seat 22, a main housing 24 is disposed between the two side housings 23, the main housing 24 is connected to the side housings 23 on both sides through a pitch axis assembly 4, and an imaging assembly 6 is disposed in the main housing 24; the main housing 24 is connected to the connection board 21 via the azimuth axis assembly 5.
The connection base plate 21 can facilitate the connection between the housing assembly 2 and the shock-absorbing connection assembly 1, and the shock-absorbing connection assembly 1 is disposed on the connection base plate 21. The connecting base plate 21 is rotatably connected with the side shell 23 through the guide connecting seat 22, so that when the azimuth shaft assembly 5 drives the main shell 24 and the side shell 23 to rotate, the rotation of the main shell and the side shell is more stable. The imaging assembly 6 is mounted in the main housing 24 so that the imaging assembly can be driven by the pitch axis assembly 4 to perform angle adjustment to image images at different angles.
Further, the azimuth shaft assembly 5 includes a rotation connecting sleeve 51 penetrating through the connection substrate 21 and connected to the main housing 24, the rotation connecting sleeve 51 is in rotation fit with the connection substrate 21, and the rotation connecting sleeve 51 is connected with a first driving motor 54 through a transmission part, so as to drive the rotation connecting sleeve 51 to rotate around the axial direction through the first driving motor 54; the inner side of the rotary connecting sleeve 51 is rotatably matched with a guide main shaft 16 with a relatively fixed position, and one end of the guide main shaft 16 penetrates out of the rotary connecting sleeve 51 and is in sliding fit with a connecting plate 17 arranged in the connecting seat 11.
In this way, the guiding main shaft 16 is arranged at the inner side of the rotating connecting sleeve 51, and the guiding main shaft 16 is simultaneously connected with the two connecting seats 11 which can relatively move and the rotating connecting sleeve 51, so that the guiding main shaft 16 can improve the coaxial precision of the rotating connecting sleeve during rotation and can also stabilize in the buffering process, the stability between the photoelectric pod and the unmanned aerial vehicle is better, and the imaging effect of the photoelectric pod can also be improved. In a specific implementation process, the transmission component is in gear transmission, and may include a first gear 52 sleeved on the outer side of the rotary connecting sleeve 51 and a second gear 53 connected with an output shaft of the first driving motor 54, where the second gear 53 is meshed with the first gear 52, so that driving can be achieved, and the first driving motor 54 is fixedly disposed on the connecting substrate 21.
In order to realize the sliding fit between the guide main shaft 16 and the connecting plate 17 of the connecting seat 11, further, the buffer seat 12 is penetrated up and down, the guide main shaft 16 passes through the connecting plate 17, a sliding sleeve 18 is arranged between the connecting plate 17 and the guide main shaft 16, and the sliding sleeve 18 is in sliding fit with the guide main shaft 16; the two ends of the guiding spindle 16 are respectively provided with a first limiting part and a second limiting part, the first limiting part and the sliding sleeve 18 form a limiting relationship in the axial direction, and the second limiting part and the rotating connecting sleeve 51 form a limiting relationship in the axial direction. The sliding sleeve 18 can facilitate the relative movement between the connecting seat 11 and the buffer seat 12, and limit the movement range or the shock absorption buffer range to a certain range through the first limiting part and the second limiting part.
In some embodiments, a limiting plate 141 extending radially is disposed at the top periphery of the supporting screw cap 14, and at least one locking hole 142 is distributed on the limiting plate 141 along the circumferential direction; the top of the threaded connection groove 34 is provided with at least one first mounting hole 36 along the circumferential direction, the first mounting hole 36 is slidably matched with a lock shaft 38, the middle part of the lock shaft 38 is provided with a limit convex part 382, a limit spring 37 sleeved outside the lock shaft 38 is arranged between the limit convex part 382 and the bottom end of the first mounting hole 36, the top end of the lock shaft 38 is provided with a first pressing inclined surface 383, and the first pressing inclined surface 383 is provided with a chute; the side wall of the first mounting hole 36 is also provided with a second mounting hole 8 along the transverse direction, the second mounting hole 8 is vertical to the first mounting hole 36, a pressing shaft 10 and a screw rod 7 are arranged in the first mounting hole 36, the screw rod 7 is coaxially connected with the pressing shaft 10 and can rotate relatively, one end of the pressing shaft, which is away from the screw rod 7, is provided with a second pressing inclined plane 9, the second pressing inclined plane 9 is parallel to the first pressing inclined plane 383, and a guide protrusion which is in sliding fit with the chute is arranged on the second pressing inclined plane 9; the second mounting hole 8 is in threaded fit with the screw rod 7, and the screw rod 7 penetrates out of the second mounting hole 8 and is connected with a knob.
In this way, when the support screw cap 14 is connected with the threaded connection groove 34, the lock shaft 38 is located in the first installation hole 36 through the limit spring 37, and when the support screw cap 14 is locked in place, the screw 7 can be rotated by rotating the knob, the screw 7 can enable the pressing shaft 10 to move linearly towards the first installation hole 36 through the threaded connection effect of the screw 7 and the second installation hole 8, the pressing shaft 10 is guided by the guiding protrusion of the second pressing inclined surface 9 and the sliding groove of the first pressing inclined surface 383, when the first pressing shaft 10 moves inwards, the axial force is decomposed into a longitudinal force capable of enabling the lock shaft 38 to move longitudinally through the cooperation of the first pressing inclined surface 383 and the second pressing inclined surface 9, and then the lock shaft 38 can extend out of the first installation hole 36 against the force of the limit spring 37, and the limit head 381 of the lock shaft 38 extends into the lock hole 381 of the limit plate 141 of the support screw cap 14, so that locking limit is achieved. Through the threaded connection structure of the screw rod 7 and the second mounting hole 8, the supporting screw cap 14 can be locked under different screwing degrees, and the locking operation can be conveniently adjusted, so that the locking hole 142 is aligned with the first mounting hole 36 when the locking is needed.
To facilitate alignment of the lock hole 142 and the first mounting hole 36 by viewing when the support screw cap 14 is mounted, the diameters of the guide connection seat 22 and the connection substrate 21 are smaller than the diameter of the support screw cap 14.
In a specific implementation process, a rotation support sleeve 55 is further disposed between the connection substrate 21 and the rotation connection sleeve 51, and the rotation support sleeve 55 is fixedly connected with the connection substrate 21 and is rotatably connected with the rotation connection sleeve 51 through a bearing. The rotation support sleeve 55 enables a more stable rotation of the rotation connection sleeve 51. A control circuit board for controlling the first driving motor 54 may also be provided in the connection seat 11.
In the embodiment of the present application, the outer sidewall diameter of the screw connection groove 34 is larger than the outer diameter of the support screw cap 14, so that an operation space for screwing operation is formed between the support screw cap 14 and the outer sidewall of the screw connection groove 34.
In this way, the threaded connection groove 34 is convenient for supporting the connection of the screw cap 14, and is convenient for the installer to screw.
Of course, when the support screw cap 14 is locked to the connection portion, the first damper spring 13 is pressed and the damper base 12 is abutted against the support screw cap 14. This enables a better damping effect to be achieved by the first damper spring 13.
In a specific implementation process, the connection part may be a pod mounting seat 3 for fixing to the unmanned aerial vehicle, or may be a fuselage part of the bottom of the unmanned aerial vehicle, which is not limited. When the connection part is the nacelle mounting stand 3, it has the fixed plate 31 that is used for being connected with unmanned aerial vehicle in addition to having the connection structure that the connection part was described above, and the connecting hole has been seted up to the four corners of fixed plate 31, is convenient for connect fixedly like this.
Regarding the pitch axis drive assembly, it may include a second drive motor connected between the side housing 23 and the main housing 24, and a control circuit board controlling the second drive motor.
In the embodiment of the present application, the imaging assembly 6 includes a visible light camera assembly, an infrared camera control circuit board, and a gyro sensor disposed in the main housing 24.
In summary, the unmanned aerial vehicle multiaxial photoelectric pod of the embodiment of the application has the following advantages:
the shock-absorbing connecting assembly 1 has a shock-absorbing function without additionally installing a shock absorber, and the spline 19 and the spline groove 35 are respectively arranged in the connecting seat 11 and the nacelle connecting hole 33 of the unmanned aerial vehicle connecting part, so that the connecting seat 11 and the nacelle connecting hole 33 can be conveniently connected, the limit in the horizontal direction and the circumferential direction can be realized, and the longitudinal limit and the support can be realized after the supporting screw cap 14 and the connecting part are locked, so that the stability of the photoelectric nacelle in the shock absorption process can be ensured through the limit fit of three directions, the disassembly and the assembly can be conveniently realized, the purposes of shock absorption, convenience in disassembly and stability improvement can be realized through the mutual fit among fewer parts, and the relatively complex disassembly and assembly caused by the connection of fasteners such as bolts can be avoided.
Moreover, the guide main shaft 16 is arranged on the inner side of the rotary connecting sleeve 51, and the guide main shaft 16 is simultaneously connected with the two connecting seats 11 which can relatively move and the rotary connecting sleeve 51, so that the guide main shaft 16 can improve the coaxial precision of the rotary connecting sleeve during rotation and can also stabilize in the buffering process, the stability between the photoelectric pod and the unmanned aerial vehicle is better, and the imaging effect of the photoelectric pod can also be improved.
Meanwhile, in some application scenes, the damping value between the connecting seat 11 and the buffer seat 12 can be adjusted through the supporting screw cap 14, so that the damping effect is adjustable, the damping effect is greatly improved, and the device is more practical.
In addition, unmanned aerial vehicle multiaxis photoelectricity nacelle overall structure reasonable in design, simple to operate, swift, easily installation and dismantlement have avoided the problem that can only install that needs to use fastener such as more bolts, have improved the convenience of installation, maintenance, dismantlement.
Finally, it should be noted that: the foregoing description is only of the preferred embodiments of the invention and is not intended to limit the scope of the invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. An unmanned aerial vehicle multiaxis photoelectricity nacelle, its characterized in that: the unmanned aerial vehicle comprises a damping connecting component (1) connected with a connecting part of the unmanned aerial vehicle, a shell component (2) connected with the damping connecting component (1), and an azimuth shaft component (5), a pitching shaft component (4) and an imaging component (6) which are all arranged in the shell;
the connecting part is provided with a connecting surface (32), the connecting surface (32) is provided with a nacelle connecting hole (33) for connecting with the shock absorption connecting assembly (1), the inner wall of the nacelle connecting hole (33) is at least provided with a positioning section along the axial direction of the hole, and the positioning section is provided with a plurality of spline grooves (35) along the circumferential direction; the outer side of the nacelle connecting hole (33) is provided with spaced threaded connecting grooves (34); the damping connecting assembly (1) comprises a connecting seat (11), a buffer seat (12) in telescopic connection with the connecting seat (11) and a first damping spring (13) arranged between the buffer seat (12) and the connecting seat (11), wherein the diameter of the buffer seat (12) is smaller than or equal to that of the connecting seat (11), and a plurality of splines (19) used for being in clamping fit with the spline grooves (35) are arranged on the outer wall of the connecting seat (11) along the circumferential direction so that the connecting seat (11) and the connecting part can form a limiting relationship in the horizontal direction and the circumferential direction;
the buffer seat (12) is provided with mounting grooves (15) distributed along the circumferential direction, a supporting spiral cover (14) is movably sleeved in the mounting grooves (15), the supporting spiral cover (14) is provided with a threaded connection part extending upwards, and the threaded connection part is in threaded fit with the threaded connection groove (34) so that the buffer seat (12) and the supporting spiral cover (14) form a limiting relationship in the longitudinal direction.
2. The unmanned aerial vehicle multiaxial optoelectronic pod of claim 1 wherein: the shell assembly (2) comprises a connecting substrate (21) connected with the buffer seat (12), two mutually symmetrical side shells (23) are connected to the bottom of the connecting substrate (21) through a guide connecting seat (22), the side shells (23) can rotate along the circumferential direction of the guide connecting seat (22), a main shell (24) is arranged between the two side shells (23), the main shell (24) is connected with the side shells (23) on the two sides through a pitching shaft assembly (4), and an imaging assembly (6) is arranged in the main shell (24);
the main housing (24) is connected to the connection board (21) via the azimuth axis assembly (5).
3. A multi-axis electro-optic pod for an unmanned aerial vehicle as claimed in claim 2, wherein: the azimuth shaft assembly (5) comprises a rotating connecting sleeve (51) penetrating through the connecting substrate (21) and connected with the main shell (24), the rotating connecting sleeve (51) is in rotating fit with the connecting substrate (21), and the rotating connecting sleeve (51) is connected with a first driving motor (54) through a transmission part so as to drive the rotating connecting sleeve (51) to rotate around the axial direction through the first driving motor (54);
the inner side of the rotary connecting sleeve (51) is in rotary fit with a guide main shaft (16) with a relatively fixed position, and one end of the guide main shaft (16) penetrates out of the rotary connecting sleeve (51) and is in sliding fit with a connecting plate (17) arranged in the connecting seat (11).
4. A multi-axis electro-optic pod for an unmanned aerial vehicle as claimed in claim 3, wherein: the buffer seat (12) is vertically communicated, the guide main shaft (16) passes through the connecting plate (17), a sliding sleeve (18) is arranged between the connecting plate (17) and the guide main shaft (16), and the sliding sleeve (18) is in sliding fit with the guide main shaft (16);
the two ends of the guide main shaft (16) are respectively provided with a first limiting part and a second limiting part, the first limiting part and the sliding sleeve (18) form a limiting relationship in the axial direction, and the second limiting part and the rotary connecting sleeve (51) form a limiting relationship in the axial direction.
5. A multi-axis electro-optic pod for an unmanned aerial vehicle as claimed in claim 3, wherein: a rotary supporting sleeve (55) is arranged between the connecting substrate (21) and the rotary connecting sleeve (51), and the rotary supporting sleeve (55) is fixedly connected with the connecting substrate (21) and is rotationally connected with the rotary connecting sleeve (51) through a bearing.
6. The unmanned aerial vehicle multiaxial optoelectronic pod of claim 1 wherein: a limiting plate (141) extending radially is arranged on the periphery of the top end of the supporting spiral cover (14), and at least one lock hole (142) is distributed on the limiting plate (141) along the circumferential direction; at least one first mounting hole (36) is formed in the top of the threaded connecting groove (34) along the circumferential direction, a lock shaft (38) is slidably matched in the first mounting hole (36), a limit convex part (382) is arranged in the middle of the lock shaft (38), a limit spring (37) sleeved outside the lock shaft (38) is arranged between the limit convex part (382) and the bottom end of the first mounting hole (36), a first pressing inclined surface (383) is arranged at the top end of the lock shaft (38), and a chute is formed in the first pressing inclined surface (383);
the side wall of the first mounting hole (36) is also provided with a second mounting hole (8) along the transverse direction, the second mounting hole (8) is perpendicular to the first mounting hole (36), a pressing shaft (10) and a screw rod (7) are arranged in the first mounting hole (36), the screw rod (7) is coaxially connected with the pressing shaft (10) and can rotate relatively, one end of the pressing shaft, which is far away from the screw rod (7), is provided with a second pressing inclined plane (9), the second pressing inclined plane (9) is parallel to the first pressing inclined plane (383), and a guide protrusion which is in sliding fit with the sliding groove is arranged on the second pressing inclined plane (9); the second mounting hole (8) is in threaded fit with the screw rod (7), and the screw rod (7) penetrates out of the second mounting hole (8) and is connected with a knob.
7. The unmanned aerial vehicle multiaxial optoelectronic pod of claim 1 wherein: the diameter of the outer side wall of the screw connection groove (34) is larger than the outer diameter of the support screw cap (14) so as to form an operation space for screwing operation between the support screw cap (14) and the outer side wall of the screw connection groove (34).
8. A multi-axis electro-optic pod for a drone according to any of claims 1-7, wherein: when the supporting spiral cover (14) is locked with the connecting part, the first damping spring (13) is in a pressed state, and the buffer seat (12) is abutted with the supporting spiral cover (14).
9. A multi-axis electro-optic pod for a drone according to any of claims 1-7, wherein: the connecting part is a nacelle mounting seat (3) for fixing on the unmanned aerial vehicle, or the connecting part is a fuselage part at the bottom of the unmanned aerial vehicle.
10. A multi-axis electro-optic pod for an unmanned aerial vehicle as claimed in claim 2, wherein: the imaging assembly (6) comprises a visible light camera assembly, an infrared camera control circuit board and a gyro sensor which are arranged in the main shell (24).
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| CN202310753697.9A CN116495220B (en) | 2023-06-26 | 2023-06-26 | Unmanned aerial vehicle multiaxis photoelectricity nacelle |
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| CN202310753697.9A CN116495220B (en) | 2023-06-26 | 2023-06-26 | Unmanned aerial vehicle multiaxis photoelectricity nacelle |
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