CN215663979U - Movie & TV unmanned aerial vehicle that takes photo by plane slowly falls device - Google Patents
Movie & TV unmanned aerial vehicle that takes photo by plane slowly falls device Download PDFInfo
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- CN215663979U CN215663979U CN202122307830.7U CN202122307830U CN215663979U CN 215663979 U CN215663979 U CN 215663979U CN 202122307830 U CN202122307830 U CN 202122307830U CN 215663979 U CN215663979 U CN 215663979U
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- 230000007246 mechanism Effects 0.000 claims abstract description 32
- 230000006835 compression Effects 0.000 claims abstract description 15
- 238000007906 compression Methods 0.000 claims abstract description 15
- 239000004744 fabric Substances 0.000 claims description 14
- 230000008878 coupling Effects 0.000 claims description 10
- 238000010168 coupling process Methods 0.000 claims description 10
- 238000005859 coupling reaction Methods 0.000 claims description 10
- 230000008602 contraction Effects 0.000 claims description 7
- 238000013016 damping Methods 0.000 claims description 3
- 238000007664 blowing Methods 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
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Abstract
The utility model discloses a slow descending device of a movie and television aerial photography unmanned aerial vehicle, and belongs to the technical field of unmanned aerial vehicles. A slow descending device of a film and television aerial photography unmanned aerial vehicle comprises a body, four groups of primary slow descending main parts and secondary slow descending main parts; the four groups of the first-stage slow-descending main parts and the second-stage slow-descending main parts are all arranged in the machine body; the first-stage slow descending main part comprises an electromagnet, a spring groove, a sliding block, a contact pad, a compression spring and a connecting mechanism; the spring groove is formed in the machine body, the electromagnet is fixedly arranged on the top wall of the spring groove, the sliding block is slidably arranged in the spring groove, one end of the compression spring is fixedly connected with the electromagnet, the other end of the compression spring is fixedly connected with the sliding block, one end of the connecting mechanism is rotatably arranged on the lower side of the sliding block, and the other end of the connecting mechanism is rotatably arranged on the upper side of the contact pad; through the characteristic that cross universal joint can the arbitrary angle slope, the problem that the organism appears inclining behind the contact pad contact ground, then cross universal joint can take place to incline earlier, then supports.
Description
Technical Field
The utility model relates to the field of unmanned aerial vehicles, in particular to a slow descending device of a film and television aerial photography unmanned aerial vehicle.
Background
An unmanned aerial vehicle, abbreviated as "unmanned aerial vehicle" ("UAV"), is an unmanned aerial vehicle that is operated using a radio remote control device and a self-contained program control device. Unmanned aerial vehicles are in fact a general term for unmanned aerial vehicles, and can be defined from a technical perspective as follows: unmanned fixed wing aircraft, unmanned VTOL aircraft, unmanned dirigible airship, unmanned helicopter, unmanned many rotor crafts, unmanned umbrella wing machine etc, unmanned aerial vehicle is being used to the especially important on taking photo by plane, because the structure in the unmanned aerial vehicle is comparatively fragile, so need steady and buffering when descending, traditional buffering mode is not convenient for form the buffering of multi-angle in the buffering, because unmanned aerial vehicle has skew and the slope of different degrees after descending, so need compensate to inclination, only one slowly falls the share compensation and is not convenient for carry out more accurate protection to unmanned aerial vehicle simultaneously.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems in the prior art, the utility model aims to provide a slow descending device of a film and television aerial photography unmanned aerial vehicle, which can realize the characteristic that the cross universal coupling can incline at any angle, the contact pad is contacted with the ground, then the body inclines, then the cross universal coupling inclines firstly and supports, the inclination does not influence the unmanned aerial vehicle greatly through a damped rotary connection mode, the unmanned aerial vehicle blows up and expands cloth when descending through a pump body, then the cloth descends in a matched mode, the splashing speed is slowed down, the unmanned aerial vehicle stops blowing after descending stably, the rotation of a propeller is prevented from being interfered, and the descending is more stable.
In order to solve the above problems, the present invention adopts the following technical solutions.
A slow descending device of a film and television aerial photography unmanned aerial vehicle comprises a body, four groups of primary slow descending main parts and secondary slow descending main parts; the four groups of the first-stage slow-descending main parts and the second-stage slow-descending main parts are all arranged in the machine body; the first-stage slow descending main part comprises an electromagnet, a spring groove, a sliding block, a contact pad, a compression spring and a connecting mechanism; the spring groove is formed in the machine body, the electromagnet is fixedly arranged on the top wall of the spring groove, the sliding block is slidably arranged in the spring groove, one end of the compression spring is fixedly connected with the electromagnet, the other end of the compression spring is fixedly connected with the sliding block, one end of the connecting mechanism is rotatably arranged on the lower side of the sliding block, and the other end of the connecting mechanism is rotatably arranged on the upper side of the contact pad; the second grade main part that slowly falls is located between four groups one-level main parts that slowly falls, a body falling speed is slowed down in advance, give the outage signals of electro-magnet in advance, can arbitrary angle slope's characteristic through cross universal joint, the problem of slope appears in the organism behind the contact pad contact ground, then cross universal joint can take place the slope earlier, then support, through the damped rotation connected mode, make the slope can not too big influence unmanned aerial vehicle, blow up the expansion with unmanned aerial vehicle when descending through the pump body, then the cooperation descends, make the splash down speed slow down, steady after unmanned aerial vehicle descends and stops blowing, prevent to disturb the screw and rotate, make the descending more stable.
Further, the secondary slow-descending main part comprises a pump body, a material distribution body, an opening and closing cover, at least two groups of limiting mechanisms, an air guide channel and a placing groove; the cloth is fixed on the bottom wall of the placing groove through four ropes, the opening and closing cover is rotatably installed in the placing groove through a torsional spring, the pump body is installed in the machine body and is positioned at the lower side of the placing groove and communicated with the lower side of the placing groove, and the air guide channel is communicated with the pump body and the outside of the machine body; two sets of stop gear uses the standing groove to install in the organism as central symmetry for the restriction is opened and shut and is covered opening and shutting, carries out the descending speed reduction to unmanned aerial vehicle through the form of cloth with the parachute, makes unmanned family's descending more gentle.
Furthermore, the limiting mechanism comprises an electric control magnet, a groove, a slope block, a return spring and a contraction groove; the recess is seted up in the lid that opens and shuts, and the shrink groove is seted up in the organism and is communicated with the recess, and automatically controlled magnet fixed mounting is on the shrink groove diapire, and inclined plane piece slidable mounting is in the shrink groove to can extend to in the recess, reset spring one end and inclined plane piece fixed connection, the other end and automatically controlled magnet fixed connection make the lid that opens and shuts close more convenient through the inclined plane piece, and electromagnet control is more convenient simultaneously.
Furthermore, coupling mechanism is cross universal joint for contact pad can have the compensation of arbitrary angle in advance according to unmanned aerial vehicle's slope when contacting ground, accomplishes slowly falling.
Furthermore, the position of the contact pad contacting the ground is made of rubber, so that the friction force is increased while the shock is absorbed.
Furthermore, coupling mechanism and sliding block and contact pad's connected mode are the damping formula and rotate to be connected, make coupling mechanism stretch out the back through damped mode and can not rock the influence unmanned aerial vehicle and descend when descending.
Compared with the prior art, the utility model has the advantages that:
(1) this scheme passes through the characteristic that cross universal joint can arbitrary angle slope, and the problem of slope appears in the organism behind the contact pad contact ground, then cross universal joint can take place the slope earlier, then supports, through damped rotation connected mode for the slope can not too big influence unmanned aerial vehicle.
(2) This scheme blows the cloth with unmanned aerial vehicle when descending through the pump body and expands, then the cooperation descends for the speed that splashes becomes slow, is stopping blowing after unmanned aerial vehicle descends steadily, prevents to disturb the screw rotation, makes the descending more stable.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a schematic structural diagram of the first-stage descent control main component shown in FIG. 2 according to the present invention;
FIG. 4 is a schematic structural diagram of the second-level descent control main component shown in FIG. 2 according to the present invention;
fig. 5 is a schematic structural view of the limiting mechanism in fig. 4 according to the present invention.
The reference numbers in the figures illustrate:
the device comprises a machine body 1, a primary slow descending main part 2, an electromagnet 21, a spring groove 22, a sliding block 23, a contact pad 24, a compression spring 25, a connecting mechanism 26, a secondary slow descending main part 3, a pump body 31, cloth 32, an opening and closing cover 33, a limiting mechanism 34, an electric control magnet 341, a groove 342, an inclined plane block 343, a return spring 344, a contraction groove 345, an air guide channel 35 and a placing groove 36.
Detailed Description
Please refer to fig. 1-5, which is a slow descending device of a film and television aerial photography unmanned aerial vehicle, comprising a body 1, four groups of primary slow descending main parts 2 and secondary slow descending main parts 3; the four groups of first-stage slow-falling main parts 2 and second-stage slow-falling main parts 3 are all arranged in the machine body 1; the first-stage slow descending main part 2 comprises an electromagnet 21, a spring groove 22, a sliding block 23, a contact pad 24, a compression spring 25 and a connecting mechanism 26; the spring groove 22 is arranged in the machine body 1, the electromagnet 21 is fixedly arranged on the top wall of the spring groove 22, the sliding block 23 is slidably arranged in the spring groove 22, one end of the compression spring 25 is fixedly connected with the electromagnet 21, the other end of the compression spring is fixedly connected with the sliding block 23, one end of the connecting mechanism 26 is rotatably arranged on the lower side of the sliding block 23, and the other end of the connecting mechanism is rotatably arranged on the upper side of the contact pad 24; the second grade falls main part 3 slowly and is located between four sets of one-level main parts 2 that slowly, be used for slowing down 1 falling speed of organism in advance, give electromagnet 21's outage signals in advance, can arbitrary angle slope's characteristic through cross universal joint, the problem of slope appears in the organism behind the contact pad contact ground, then cross universal joint can take place the slope earlier, then support, through the damped rotation connected mode, make the slope can not too big influence unmanned aerial vehicle, blow out the expansion with unmanned aerial vehicle when descending through the pump body, then the cooperation descends, make the speed of splashing slow down, descend steady back at unmanned aerial vehicle and stop blowing, prevent to disturb the screw and rotate, make the descending more stable.
As shown in fig. 3, the secondary slow-descending main part 3 includes a pump body 31, a cloth 32, an opening and closing cover 33, at least two sets of limiting mechanisms 34, an air guide channel 35 and a placing groove 36; the placing groove 36 is formed in the machine body 1, the cloth 32 is fixed on the bottom wall of the placing groove 36 through four ropes, the opening and closing cover 33 is rotatably installed in the placing groove 36 through a torsion spring, the pump body 31 is installed in the machine body 1 and is positioned at the lower side of the placing groove 36 and communicated with the placing groove, and the air guide channel 35 is communicated with the pump body 31 and the outside of the machine body 1; two sets of stop gear 34 use standing groove 36 to install in organism 1 as central symmetry for the restriction is opened and shut and is covered 33 and open and shut, carries out the descending speed reduction to unmanned aerial vehicle through cloth 32 with the form of parachute, makes unmanned family's landing more gentle.
As shown in fig. 4-5, the limiting mechanism 34 includes an electrically controlled magnet 341, a groove 342, a ramp block 343, a return spring 344 and a contraction groove 345; recess 342 is seted up in the lid 33 that opens and shuts, shrink groove 345 is seted up in organism 1 and is communicated with recess 342, automatically controlled magnet 341 fixed mounting is on shrink groove 345 diapire, inclined plane piece 343 slidable mounting is in shrink groove 345 to can extend to in the recess 342, reset spring 344 one end and inclined plane piece 343 fixed connection, the other end and automatically controlled magnet 341 fixed connection, it is more convenient to make the lid 33 that opens and shuts close through inclined plane piece 343, electromagnet control is more convenient simultaneously. Coupling mechanism 26 is a cross universal coupling for contact pad 24 can have the compensation of arbitrary angle in advance according to unmanned aerial vehicle's slope when contacting ground, accomplishes slowly to descend. The contact pad 24 is made of rubber, so that the friction force is increased while the shock is absorbed. The connection mode of the connecting mechanism 26, the sliding block 23 and the contact pad 24 is damping type rotation connection, and the connecting mechanism 26 does not shake after extending out when descending to affect the landing of the unmanned aerial vehicle.
When the unmanned aerial vehicle needs to land, as shown in fig. 4-5, the electric control magnet 341 is powered on, then the inclined plane block 343 is adsorbed, the return spring 344 is compressed, then the inclined plane block 343 is separated from the groove 342, the opening and closing cover 33 rotates out of the placing groove 36 through the torsion spring, the pump body 31 is started, gas is sucked from the gas guide channel 35 and then is sprayed out of the placing groove 36, the cloth 32 is blown up, the appearance of a parachute is formed, a reaction force is generated on the unmanned aerial vehicle, and the landing speed of the unmanned aerial vehicle is reduced.
As shown in fig. 3, then electromagnet 21 cuts off the power supply for compression spring 25 resets, pushes sliding block 23, then coupling mechanism 26 slips out spring groove 22, then after contact pad 24 contacts ground, four coupling mechanism 26 take place to rotate, compensate the slight slope after the unmanned aerial vehicle falls, reduce vibrations through compression spring 25, pump body 31 blows to cloth 32 always before the unmanned aerial vehicle screw stops this moment, prevents to influence the screw.
Claims (6)
1. The utility model provides a movie & TV unmanned aerial vehicle that takes photo by plane slowly falls device which characterized in that: comprises a machine body (1), four groups of first-level slow-falling main parts (2) and second-level slow-falling main parts (3);
the four groups of the first-stage slow-falling main parts (2) and the second-stage slow-falling main parts (3) are arranged in the machine body (1);
the primary slow-descending main part (2) comprises an electromagnet (21), a spring groove (22), a sliding block (23), a contact pad (24), a compression spring (25) and a connecting mechanism (26);
the spring groove (22) is formed in the machine body (1), the electromagnet (21) is fixedly installed on the top wall of the spring groove (22), the sliding block (23) is installed in the spring groove (22) in a sliding mode, one end of the compression spring (25) is fixedly connected with the electromagnet (21), the other end of the compression spring is fixedly connected with the sliding block (23), one end of the connecting mechanism (26) is rotatably installed on the lower side of the sliding block (23), and the other end of the connecting mechanism is rotatably installed on the upper side of the contact pad (24);
the secondary slow-falling main parts (3) are positioned among the four groups of primary slow-falling main parts (2) and are used for slowing down the falling speed of the machine body (1) in advance and sending a signal for the power failure of the electromagnet (21) in advance.
2. The slow descending device of the film aerial photography unmanned aerial vehicle according to claim 1, characterized in that: the secondary slow-descending main part (3) comprises a pump body (31), cloth (32), an opening and closing cover (33), at least two groups of limiting mechanisms (34), an air guide channel (35) and a placing groove (36);
the cloth feeding device is characterized in that the placing groove (36) is formed in the machine body (1), cloth (32) is fixed to the bottom wall of the placing groove (36) through four ropes, the opening and closing cover (33) is rotatably installed in the placing groove (36) through a torsion spring, the pump body (31) is installed in the machine body (1) and located at the lower side of the placing groove (36) and communicated with the lower side of the placing groove (36), and the air guide channel (35) is communicated with the pump body (31) and the outside of the machine body (1);
the two groups of limiting mechanisms (34) are symmetrically arranged in the machine body (1) by taking the placing groove (36) as a center and are used for limiting the opening and closing of the opening and closing cover (33).
3. The slow descending device of the film aerial photography unmanned aerial vehicle according to claim 2, characterized in that: the limiting mechanism (34) comprises an electric control magnet (341), a groove (342), an inclined block (343), a return spring (344) and a contraction groove (345);
the groove (342) is formed in the opening and closing cover (33), the contraction groove (345) is formed in the machine body (1) and communicated with the groove (342), the electric control magnet (341) is fixedly installed on the bottom wall of the contraction groove (345), the inclined plane block (343) is slidably installed in the contraction groove (345) and can extend into the groove (342), one end of the reset spring (344) is fixedly connected with the inclined plane block (343), and the other end of the reset spring is fixedly connected with the electric control magnet (341).
4. The slow descending device of the film aerial photography unmanned aerial vehicle according to claim 1, characterized in that: the connecting mechanism (26) is a cross universal coupling.
5. The slow descending device of the film aerial photography unmanned aerial vehicle according to claim 1, characterized in that: the contact pad (24) is made of rubber at the position contacting the ground.
6. The slow descending device of the film aerial photography unmanned aerial vehicle according to claim 1, characterized in that: the connecting mechanism (26) is connected with the sliding block (23) and the contact pad (24) in a damping type rotating mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122307830.7U CN215663979U (en) | 2021-09-23 | 2021-09-23 | Movie & TV unmanned aerial vehicle that takes photo by plane slowly falls device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122307830.7U CN215663979U (en) | 2021-09-23 | 2021-09-23 | Movie & TV unmanned aerial vehicle that takes photo by plane slowly falls device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215663979U true CN215663979U (en) | 2022-01-28 |
Family
ID=79965818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122307830.7U Expired - Fee Related CN215663979U (en) | 2021-09-23 | 2021-09-23 | Movie & TV unmanned aerial vehicle that takes photo by plane slowly falls device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215663979U (en) |
-
2021
- 2021-09-23 CN CN202122307830.7U patent/CN215663979U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220128 |