CN113788152A - Active traction anti-impact system for falling of unmanned aerial vehicle - Google Patents
Active traction anti-impact system for falling of unmanned aerial vehicle Download PDFInfo
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- CN113788152A CN113788152A CN202111004412.9A CN202111004412A CN113788152A CN 113788152 A CN113788152 A CN 113788152A CN 202111004412 A CN202111004412 A CN 202111004412A CN 113788152 A CN113788152 A CN 113788152A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D45/00—Aircraft indicators or protectors not otherwise provided for
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C39/00—Aircraft not otherwise provided for
- B64C39/02—Aircraft not otherwise provided for characterised by special use
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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
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- 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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Abstract
This application belongs to unmanned aerial vehicle corollary equipment technical field, especially relates to an unmanned aerial vehicle initiatively pulls protecting against shock system when falling. The ejection trigger assembly comprises a mounting box at the bottom, a mounting plate at the top and an ejection trigger assembly in the mounting box; the ejection trigger component comprises: the lower magnetic ring, the middle magnetic ring, the graphite barrel, the swing rod, the rectangular pressing plate, the clamping block and the ejection door; this device utilizes the centrifugal force that upset and rotation that the unusual action leads to provided and the self-interacting of structure self gravity realization angle and direction, make the ejection door by the unblock towards unmanned aerial vehicle upside or oblique upside all the time, the throw distance of couple has been increased and the probability that links with, pure mechanical drive structure does not need outside power supply or controls simultaneously, need install at any time and use, require lowly to unmanned aerial vehicle, be suitable for the basic unit and do not possess stronger automated control performance in a large number, the unmanned aerial vehicle's that intelligent degree is low on the one side protection of falling, its mode that adopts initiative to trigger, trigger based on the unusual gesture of unmanned aerial vehicle, the reaction rate is fast.
Description
Technical Field
This application belongs to unmanned aerial vehicle corollary equipment technical field, especially relates to an unmanned aerial vehicle initiatively pulls protecting against shock system when falling.
Background
With the continuous development of unmanned aerial vehicle control technology and intelligent level, unmanned aerial vehicles are widely used in the fields of agricultural production, regional cruise monitoring, quick delivery and the like. In a national power grid, in order to improve the power grid inspection efficiency and reduce the effective means of labor cost, the unmanned aerial vehicle is being applied in the aspects of power grid region GIS information updating, power transmission line inspection, foreign matter cleaning along the line, and the like, because the power transmission line of the power grid is large in scale, the length of a path needing inspection is often calculated by tens of hundreds of kilometers, and the area needing inspection is far beyond the traditional industry, so that the cruising distance, the dead time and the like of the unmanned aerial vehicle have higher requirements in the application process, but the farther cruising distance and the longer time are accompanied by more unstable factors, including the influence of natural condition change on the working environment, the probability of failure possibly occurring in the long-time communication process and the like are increased, the factors can cause the unmanned aerial vehicle to fall out of control, the loss of the unmanned aerial vehicle can be avoided through airborne positioning components, and the single bend can not avoid the unmanned aerial vehicle from directly impacting the ground after falling from high altitude, to above-mentioned problem, the high-end unmanned aerial vehicle of part still can steadily descend or even independently return safely when guaranteeing out of control through being equipped with modules such as autonomic attitude correction, but because module cost and stability problem, can not effectually be used in all unmanned aerial vehicle systems in fact, a large amount of unmanned aerial vehicle equipment of using in basic unit, it is intelligent lower, the structure is relatively simple, do not possess corresponding service condition, but in actual basic unit work, when using unmanned aerial vehicle necessarily, often involve the waters top, specific areas such as large-scale ravine, in case unmanned aerial vehicle takes place to fall often can lead to comparatively serious consequence.
Disclosure of Invention
The utility model provides an aim at of this application provides one kind and requires lowly to unmanned aerial vehicle system, does not need complicated control mechanism, can prevent unmanned aerial vehicle directly to weigh down ground through launching the traction structure to unmanned aerial vehicle upper portion when unmanned aerial vehicle takes place the rotation out of control, upset and stall in the short time, initiatively pulls the protecting against shock system when making its unmanned aerial vehicle that can retrieve safely fall.
In order to achieve the purpose, the following technical scheme is adopted in the application.
An active traction anti-impact system for falling of an unmanned aerial vehicle comprises a mounting box 1 at the bottom, a mounting plate 2 at the top and an ejection trigger assembly inside the mounting box 1;
the mounting box 1 includes: the structure comprises a regular polygonal bottom plate 10, a plurality of peripheral plates 11 arranged on the edge of the upper side of the bottom plate 10, and a plurality of inner coamings 12 which are parallel to and opposite to the peripheral plates 11 and are positioned on the inner side;
the peripheral boards 11 are connected with each other to form an outer shell board structure, and the inner shell boards 12 are connected with each other to form an inner shell board structure;
the middle of the outer surrounding plate 11 is provided with an ejection port 11a, and the middle of the inner surrounding plate 12 is provided with a through port 12 a;
a rotating shaft hole 11b is arranged at two sides of the ejection port 11 a; the through opening 12a is dug out from top to bottom and penetrates through the inner coaming 12 to be directly abutted to the upper surface of the bottom plate 10;
on the upper surface of the bottom plate 10, the peripheral plates 11 are opposite to the inner peripheral plates 12 one by one;
a guide block 10a is arranged between the outer surrounding plate 11 and the inner surrounding plate 12, a guide hole 10b is arranged on the guide block 10a, and the opening of the guide hole 10b faces to the through opening 12 a;
a reset operation port 10c is arranged at the bottom of the bottom plate 10 opposite to the guide block 10a, and the reset operation port 10c is dug out from bottom to top and is communicated with the guide hole 10 b;
a positioning column 10d is arranged at the center of the bottom plate 10, and an annular positioning strip 10e is arranged at the periphery of the positioning column;
the ejection trigger component comprises: the lower magnetic ring 30, the middle magnetic ring 31, the graphite barrel 32, the swing rod 33, the rectangular pressing plate 34, the fixture block 35 and the ejection door 36;
the lower magnetic ring 31 is fixedly embedded inside the annular positioning strip 10e, the graphite cylinder 32 is rotatably sleeved on the positioning column 10d, the middle magnetic ring 32 is slidably sleeved outside the graphite cylinder 32, and the middle magnetic ring 32 and the lower magnetic ring 31 are homopolar and opposite to each other so that the middle magnetic ring 32 rotates in a suspended manner;
the swing rod 33 comprises an annular connecting part 330 in the middle, and a guide arm 331 and a support arm 332 which are respectively arranged on one side of the annular connecting part 330, the annular connecting part 330 is sleeved on the middle magnetic ring 32, and the swing rod 33 rotates together with the middle magnetic ring 32;
a guide groove 331a is formed in the upper side of the guide arm 331, and a support groove 332a is formed in the upper side of the support arm 332;
the rectangular pressing plate 34 has a rectangular frame-shaped structure, the front end of the rectangular pressing plate 34 is provided with a guide part 340 capable of sliding in the guide groove 331a, and the rear end is provided with a support part 341 capable of sliding in the support groove 332 a; the front end of the guide part 340 is also provided with an inverted L-shaped contact part 342;
a sliding hole 341a is formed in the middle of the supporting portion 341, and a metal counterweight rod 4 is sleeved in the sliding hole 341 a; the metal balance weight rod 4 is strip-shaped, one end of the metal balance weight rod points to the axis of the positioning column 10d, and the diameter of the end is increased so as to be capable of abutting against the opening of the sliding hole 341 a;
the plural fixture blocks 35 are respectively disposed at the respective through holes 12a, and include: the flat plate connecting part 350 in the middle part, the contact plate 351 which is arranged at the rear side of the flat plate connecting part 350 and protrudes upwards, the strip-shaped limiting part 352 which is arranged at the left side and the right side of the flat plate connecting part 350 and extends, and the control part 353 which is arranged at the front side of the strip-shaped limiting part 352, wherein the front end of the control part 353 is provided with an operation hole 353 a;
the flat plate connecting part 350 is slidably clamped at the bottom of the through hole 12a, the control part 353 extends into the guide hole 10b, and the operation hole 353a is opposite to the reset operation hole 10 c;
the eject door 36 is installed at each eject port 11a, and the eject door 36 includes: a door panel 360 buckled at the ejection opening 11a, and control arms 361 arranged at two sides of the large end surface of the door panel;
the two sides of the door plate 360 are provided with rotating shafts 362, the ejection door 36 is installed in the ejection port 11a in a turnover manner through the rotating shafts 362 and the rotating shaft holes 11b on the two sides, the inner side surface of the ejection door 36 is provided with a connecting buckle 363, and a torsion spring is arranged between the ejection door 36 and the installation box 1, so that the door plate 360 has a tendency of opening outwards;
the two ends of the strip-shaped limiting part 352 can press the upper surfaces of the two control arms 361 to close the door panel 360, meanwhile, the control arms 361 point to the through opening 12a, and the contact plate 351 extends to the rear side of the contact part 342;
the hanging and carrying plate 2 is buckled at an opening at the upper end of the mounting box 1 and is connected through a bolt, a vertical limiting pressing plate 20 is arranged at the position of the lower side of the hanging and carrying plate 2, which is opposite to each through opening 12a, and the vertical limiting pressing plate 20 is clamped in from the upper part of the through opening 12a from top to bottom; the hanging and supporting plate 2 is provided with a plurality of unmanned aerial vehicle hanging and supporting holes 20 a;
also comprises a metal hook movably hung on the connecting buckle 363;
the wire drawing machine further comprises a rotary drum fixed between the outer surrounding plate 11 and the inner surrounding plate 12, a high-strength soft silk thread is wound on the rotary drum, and one end of the high-strength soft silk thread is connected with the metal hook, and the other end of the high-strength soft silk thread is fixed on the rotary drum.
The further improvement and optimization of the active traction anti-impact system when the unmanned aerial vehicle falls further include that the contact plates 351 are arc-shaped structures and extend towards two sides, and each contact plate 351 is surrounded into a circular structure, so that the contact portion 342 is opposite to one contact plate 351 all the time in the rotating process.
The further improvement and optimization of the active traction anti-impact system when the unmanned aerial vehicle falls further comprise an upper magnetic ring 37, a positioning cylinder structure is arranged on the lower side of the hanging support plate 2, the upper magnetic ring 37 is embedded in the positioning cylinder structure, and the upper magnetic ring 37 and the middle magnetic ring 31 are arranged just opposite to each other and are arranged in opposite polarity.
The further improvement and optimization of the active traction anti-impact system when the unmanned aerial vehicle falls further include that the swing rod 33 and the rectangular pressing plate 34 are made of light plastic materials, and the metal counterweight rod 4 is made of high-density metal materials.
The further improvement and optimization of the active traction anti-impact system when the unmanned aerial vehicle falls further comprise a locking block which can pass through the reset operation port 10c and then be clamped in the operation hole 353 a.
Further improvements and optimizations to the aforementioned active traction impact protection system when the drone falls also include, still include the compression spring disposed between the metal counterweight rod 4 and the end of the support arm 332.
The beneficial effects are that:
the active traction anti-impact system is mainly used for protecting the unmanned aerial vehicle of various line patrol tasks of a power grid, and is used as an optional accessory, the accessory can be mounted on the lower side of the unmanned aerial vehicle body in a hanging manner, when the unmanned aerial vehicle keeps cruising normally and deflects or inclines along a straight line or a small angle, a suspended low-resistance swing rod is under the action of gravity of a high-density metal counterweight rod, a supporting arm of the swing rod and a supporting part of a rectangular pressing plate always point to one side of the ground, a guide arm of the opposite swing rod and a guide part of the rectangular pressing plate point to the upper side or the oblique upper side of the unmanned aerial vehicle away from the ground, when the unmanned aerial vehicle is out of control to cause the body to turn over or rotate, the metal counterweight scale can move outwards under the action of centrifugal force after the turning over or rotation starts, and extrudes the rectangular pressing plate to enable the rectangular pressing plate to move towards the ground direction, the fixture block 35 can be moved when the centrifugal force is enough, the ejection door is loosened, the ejection door can be rapidly ejected under the action of the torsion spring, meanwhile, a metal hook movably hung on the ejection door is thrown upwards towards one side with a higher body when the unmanned aerial vehicle inclines, and the high-strength soft silk thread connected by the rotary drum and the hook are hooked with structures such as a power transmission line, so that the unmanned aerial vehicle can be dragged and hung without directly falling or entering water by virtue of nearby structures when falling, the device can be hung at the bottom of the unmanned aerial vehicle, the unmanned aerial vehicle can be overturned when being dragged, the bottom of the device faces upwards, and the collision of the high-strength soft silk thread with a rotor wing of the unmanned aerial vehicle is avoided;
this device utilizes the centrifugal force that upset and rotation that the abnormal action leads to provided and structure self gravity to realize the self-interacting of angle and direction, make the ejection door by the unblock towards unmanned aerial vehicle upside or oblique upside all the time, the throw distance of couple has been increased and the probability that links with, pure mechanical drive structure does not need external power supply or controls simultaneously, need install at any time and use, require lowly to unmanned aerial vehicle, as long as have the carry capacity and take off the quality and satisfy the requirement can, consequently, be suitable for the basic unit and do not possess stronger automated control performance in a large number, the unmanned aerial vehicle's that intelligent degree is low protection that falls, it adopts the mode of initiative trigger, trigger based on the unusual gesture of unmanned aerial vehicle, the reaction rate is fast.
Drawings
Fig. 1 is a cross-sectional view of an active traction anti-shock system when an unmanned aerial vehicle is dropped;
fig. 2 is an assembly view of the active traction anti-shock system when the drone is dropped;
fig. 3 is a schematic diagram of the internal structure of the active traction anti-impact system when the unmanned aerial vehicle falls;
FIG. 4 is a schematic structural view of the mounting box;
FIG. 5 is a schematic structural diagram of a swing link;
FIG. 6 is a schematic view of a rectangular platen;
FIG. 7 is a schematic diagram of a cartridge;
FIG. 8 is a schematic view of the configuration of the projectile door;
wherein the reference numerals include:
the mounting box 1, a bottom plate 10, a guide block 10a, a guide hole 10b, a reset operation port 10c, a positioning column 10d, an annular positioning strip 10e, a peripheral plate 11, an ejection port 11a, a rotating shaft hole 11b, an inner peripheral plate 12, a through port 12a, a mounting plate 2, a vertical limiting pressing plate 20, an unmanned aerial vehicle mounting hole 20a, a lower magnetic ring 30, a middle magnetic ring 31, a graphite cylinder 32, a swing rod 33, an annular connecting part 330, a guide arm 331, a guide groove 331a, a support arm 332, a support groove 332a, a rectangular pressing plate 34, a guide part 340, a support part 341, a sliding hole 341a, a contact part 342, a fixture block 35, a flat plate connecting part 350, a contact plate 351, a strip-shaped limiting part 352, a control part 353, an operation hole 353a, an ejection door 36, a door panel 360, a control arm 361, a rotating shaft 362, a connecting buckle 363 and an upper magnetic ring 37.
Detailed Description
The present application will be described in detail with reference to specific examples.
This application mainly as a middle-size and small-size unmanned aerial vehicle's supplementary protection system, as can dismantle the mount accessory and install on supporting unmanned aerial vehicle. This device is mainly applicable to the unmanned aerial vehicle who carries out relevant operation such as electric wire netting line patrol, its mechanism is considered that unmanned aerial vehicle mainly concentrates on the power transmission line in this kind of work, and the flight path generally is located the transmission line cable top, when unmanned aerial vehicle is out of control, the stall and the angle change through unmanned aerial vehicle trigger the system action, when triggering, the system is to the transmission of unmanned aerial vehicle upper portion traction cable, utilize structures such as cable tip couple or magnet to articulate near the power transmission line, the tower pole, shrub isotructure, prevent that unmanned aerial vehicle direct impact from falling to the ground or fall into the aquatic, because unmanned aerial vehicle is generally all located near transmission line cable when out of control, and can launch a plurality of cables to the equidirectional transmission along with unmanned aerial vehicle upset stall when triggering in succession, therefore validity is better, can be in the occasion such as waters operation, the forest zone, gully district operation is used.
As shown in fig. 1, the active traction anti-impact system adopts a detachable module design when the unmanned aerial vehicle falls, and the basic structure of the active traction anti-impact system comprises a mounting box 1 at the bottom, a mounting plate 2 at the top and an ejection trigger assembly inside the mounting box 1;
as shown in fig. 4, the mounting box 1 includes: the structure comprises a regular polygonal bottom plate 10, a plurality of peripheral plates 11 arranged on the edge of the upper side of the bottom plate 10, and a plurality of inner coamings 12 which are parallel to and opposite to the peripheral plates 11 and are positioned on the inner side;
the peripheral boards 11 are connected with each other to form an outer shell board structure, and the inner shell boards 12 are connected with each other to form an inner shell board structure;
the middle of the outer surrounding plate 11 is provided with an ejection port 11a, and the middle of the inner surrounding plate 12 is provided with a through port 12 a;
a rotating shaft hole 11b is arranged at two sides of the ejection port 11 a; the through opening 12a is dug out from top to bottom and penetrates through the inner coaming 12 to be directly abutted to the upper surface of the bottom plate 10;
on the upper surface of the bottom plate 10, the peripheral plates 11 are opposite to the inner peripheral plates 12 one by one;
the shell plate structure and the inner shell plate structure are integrally of a multi-face shell structure corresponding to the bottom plate 10, so that ejection, openings and the like are aligned one by one and are consistent with the edge straight line of the bottom plate, and the orientation can be conveniently determined during processing, design and use.
When concrete implementation, in order to reduce unmanned aerial vehicle burden, lighten the quality, each spare part in this system preferentially adopts material processing preparation such as polymer that has high strength low density except that metal counter weight stick and torsion spring.
A guide block 10a is arranged between the outer surrounding plate 11 and the inner surrounding plate 12, a guide hole 10b is arranged on the guide block 10a, and the opening of the guide hole 10b faces to the through opening 12 a; in this embodiment, openings are formed on both sides of the guide block 10a so that the strip-shaped limiting portion 352 of the clamping block can move freely along the hole direction;
the guide block is used for controlling the motion direction of a fixture block in the following text, is used as a guide control structure and is generally directly processed on the bottom plate;
a reset operation port 10c is arranged at the bottom of the bottom plate 10 opposite to the guide block 10a, and the reset operation port 10c is dug out from bottom to top and is communicated with the guide hole 10 b;
particularly, in order to ensure that the unmanned aerial vehicle cannot be ejected due to accidental triggering such as collision when not in use, the locking block which can pass through the reset operation port 10c and then be clamped in the operation hole 353a is further included in the embodiment.
A positioning column 10d is arranged at the center of the bottom plate 10, and an annular positioning strip 10e is arranged at the periphery of the positioning column;
the ejection trigger component comprises: the lower magnetic ring 30, the middle magnetic ring 31, the graphite barrel 32, the swing rod 33, the rectangular pressing plate 34, the fixture block 35 and the ejection door 36;
the lower magnetic ring 31 is fixedly embedded inside the annular positioning strip 10e, the graphite cylinder 32 is rotatably sleeved on the positioning column 10d, the middle magnetic ring 32 is slidably sleeved outside the graphite cylinder 32, and the middle magnetic ring 32 and the lower magnetic ring 31 are homopolar and opposite to each other so that the middle magnetic ring 32 rotates in a suspended manner;
the swing rod 33 comprises an annular connecting part 330 in the middle, and a guide arm 331 and a support arm 332 which are respectively arranged on one side of the annular connecting part 330, the annular connecting part 330 is sleeved on the middle magnetic ring 32, and the swing rod 33 rotates together with the middle magnetic ring 32;
a guide groove 331a is formed in the upper side of the guide arm 331, and a support groove 332a is formed in the upper side of the support arm 332;
the rectangular pressing plate 34 has a rectangular frame-shaped structure, the front end of the rectangular pressing plate 34 is provided with a guide part 340 capable of sliding in the guide groove 331a, and the rear end is provided with a support part 341 capable of sliding in the support groove 332 a; the front end of the guide part 340 is also provided with an inverted L-shaped contact part 342;
a sliding hole 341a is formed in the middle of the supporting portion 341, and a metal weight bar 4 is sleeved in the sliding hole 341 a; the metal balance weight rod 4 is strip-shaped, one end of the metal balance weight rod points to the axis of the positioning column 10d, and the diameter of the end is increased so as to be capable of abutting against the opening of the sliding hole 341 a; and a compression spring disposed between the metal weighted bar 4 and the end of the support arm 332.
In this embodiment, in order to improve the sensitivity, the swing link 33 and the rectangular pressing plate 34 are made of a light plastic material, and the metal weight bar 4 is made of a high-density metal material.
The plural fixture blocks 35 are respectively disposed at the respective through holes 12a, and include: the flat plate connecting part 350 in the middle part, the contact plate 351 which is arranged at the rear side of the flat plate connecting part 350 and protrudes upwards, the strip-shaped limiting part 352 which is arranged at the left side and the right side of the flat plate connecting part 350 and extends, and the control part 353 which is arranged at the front side of the strip-shaped limiting part 352, wherein the front end of the control part 353 is provided with an operation hole 353 a;
the flat plate connecting part 350 is slidably clamped at the bottom of the through hole 12a, the control part 353 extends into the guide hole 10b, and the operation hole 353a is opposite to the reset operation hole 10 c;
the eject door 36 is installed at each eject port 11a, and the eject door 36 includes: a door panel 360 buckled at the ejection opening 11a, and control arms 361 arranged at two sides of the large end surface of the door panel;
the two sides of the door plate 360 are provided with rotating shafts 362, the ejection door 36 is installed in the ejection port 11a in a turnover manner through the rotating shafts 362 and the rotating shaft holes 11b on the two sides, the inner side surface of the ejection door 36 is provided with a connecting buckle 363, and a torsion spring is arranged between the ejection door 36 and the installation box 1, so that the door plate 360 has a tendency of opening outwards;
the two ends of the strip-shaped limiting part 352 can press the upper surfaces of the two control arms 361 to close the door panel 360, meanwhile, the control arms 361 point to the through opening 12a, and the contact plate 351 extends to the rear side of the contact part 342;
the hanging and carrying plate 2 is buckled at an opening at the upper end of the mounting box 1 and is connected through a bolt, a vertical limiting pressing plate 20 is arranged at the position of the lower side of the hanging and carrying plate 2, which is opposite to each through opening 12a, and the vertical limiting pressing plate 20 is clamped in from the upper part of the through opening 12a from top to bottom; the hanging and supporting plate 2 is provided with a plurality of unmanned aerial vehicle hanging and supporting holes 20 a;
also comprises a metal hook movably hung on the connecting buckle 363;
the wire drawing machine further comprises a rotary drum fixed between the outer surrounding plate 11 and the inner surrounding plate 12, a high-strength soft silk thread is wound on the rotary drum, and one end of the high-strength soft silk thread is connected with the metal hook, and the other end of the high-strength soft silk thread is fixed on the rotary drum.
The contact plates 351 have an arc-shaped structure and extend to both sides, and each contact plate 351 is surrounded by a circular structure so that the contact portion 342 is always opposite to one contact plate 351 during rotation.
The magnetic suspension device is characterized by further comprising an upper magnetic ring 37, a positioning cylinder structure is arranged on the lower side of the mounting plate 2, the upper magnetic ring 37 is embedded in the positioning cylinder structure, and the upper magnetic ring 37 is opposite to the middle magnetic ring 31 in polarity.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the protection scope of the present application, and although the present application is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present application without departing from the spirit and scope of the technical solutions of the present application.
Claims (6)
1. An active traction anti-impact system when an unmanned aerial vehicle falls is characterized by comprising a mounting box (1) at the bottom, a mounting plate (2) at the top and an ejection trigger assembly inside the mounting box (1);
the mounting box (1) comprises: the square-polygonal bottom plate (10), a plurality of peripheral plates (11) arranged on the edge of the upper side of the bottom plate (10), and a plurality of inner coamings (12) which are opposite to the peripheral plates (11) in parallel and are positioned at the inner side;
the peripheral boards (11) are connected with each other to form an outer shell board structure, and the inner shell boards (12) are connected with each other to form an inner shell board structure;
the middle of the peripheral plate (11) is provided with an ejection opening (11a), and the middle of the inner enclosing plate (12) is provided with a through opening (12 a);
rotating shaft holes (11b) are arranged at two sides of the ejection port (11 a); the through opening (12a) is dug out from top to bottom to penetrate through the inner coaming (12) and directly abut against the upper surface of the bottom plate (10);
on the upper surface of the bottom plate (10), the peripheral plates (11) are opposite to the inner peripheral plates (12) one by one;
a guide block (10a) is arranged between the outer surrounding plate (11) and the inner surrounding plate (12), a guide hole (10b) is arranged on the guide block (10a), and the opening of the guide hole (10b) faces to the through hole (12 a);
a reset operation port (10c) is arranged at the position, opposite to the guide block (10a), of the bottom plate (10), and the reset operation port (10c) is dug out from bottom to top and is communicated with the guide hole (10 b);
a positioning column (10d) is arranged at the center of the bottom plate (10), and an annular positioning strip (10e) is arranged at the periphery of the positioning column;
the ejection trigger component comprises: the device comprises a lower magnetic ring (30), a middle magnetic ring (31), a graphite cylinder (32), a swing rod (33), a rectangular pressing plate (34), a clamping block (35) and an ejection door (36);
the lower magnetic ring (31) is fixedly embedded inside the annular positioning strip (10e), the graphite barrel (32) is rotatably sleeved on the positioning column (10d), the middle magnetic ring (32) is slidably sleeved outside the graphite barrel (32), and the middle magnetic ring (32) and the lower magnetic ring (31) are homopolar and opposite to each other so that the middle magnetic ring (32) rotates in a suspending way;
the swing rod (33) comprises an annular connecting part (330) in the middle, a guide arm (331) and a supporting arm (332) which are respectively arranged on one side of the annular connecting part (330), the annular connecting part (330) is sleeved on the middle magnetic ring (32), and the swing rod (33) rotates along with the middle magnetic ring (32);
a guide groove (331a) is formed in the upper side of the guide arm (331), and a support groove (332a) is formed in the upper side of the support arm (332);
the rectangular pressing plate (34) is of a rectangular frame-shaped structure, the front end of the rectangular pressing plate (34) is provided with a guide part (340) capable of sliding in the guide groove (331a), and the rear end is provided with a support part (341) capable of sliding in the support groove (332 a); the front end of the guide part (340) is also provided with an inverted L-shaped contact part (342);
a sliding hole (341a) is formed in the middle of the supporting part (341), and a metal counterweight rod (4) is sleeved in the sliding hole (341 a); the metal counterweight rod (4) is strip-shaped, one end of the metal counterweight rod points to the axis of the positioning column (10d), and the diameter of the end is increased so as to be capable of abutting against the opening of the sliding hole (341 a);
the fixture blocks (35) are multiple and respectively arranged at the positions of the through holes (12a), and comprise: the plate connecting part (350) in the middle part, the contact plate (351) which is arranged at the rear side of the plate connecting part (350) and protrudes upwards, the strip-shaped limiting part (352) which is arranged at the left side and the right side of the plate connecting part (350) and extends, and the control part (353) which is arranged at the front side of the strip-shaped limiting part (352), wherein the front end of the control part (353) is provided with an operation hole (353 a);
the flat plate connecting part (350) can be clamped at the bottom of the through hole (12a) in a sliding way, the control part (353) extends into the guide hole (10b), and the operation hole (353a) is opposite to the reset operation hole (10 c);
a shoot gate (36) is installed at each shoot port (11a), the shoot gate (36) including: a door panel (360) buckled at the ejection opening (11a), and control arms (361) arranged at two sides of the large end surface of the door panel;
rotating shafts (362) are arranged on two sides of the door plate (360), the ejection door (36) is installed in the ejection opening (11a) in a turnover mode through the rotating shafts (362) and the rotating shaft holes (11b) on the two sides, a connecting buckle (363) is arranged on the inner side face of the ejection door (36), and a torsion spring is arranged between the ejection door (36) and the installation box (1) so that the door plate (360) has a tendency of being opened outwards;
the two ends of the strip-shaped limiting part (352) can press the upper surfaces of the two control arms (361) to close the door panel (360), meanwhile, the control arms (361) point to the through opening (12a), and the contact plate (351) extends to the rear side of the contact part (342);
the hanging support plate (2) is buckled at an opening at the upper end of the mounting box (1) and connected through a bolt, a vertical limiting pressure plate (20) is arranged at the position, opposite to each through opening (12a), of the lower side of the hanging support plate (2), and the vertical limiting pressure plate (20) is clamped into the mounting box from the upper part of the through opening (12a) from top to bottom; the hanging and carrying plate (2) is provided with a plurality of unmanned aerial vehicle hanging and carrying holes (20 a);
also comprises a metal hook movably hung on the connecting buckle (363);
the wire drawing machine is characterized by further comprising a rotary drum fixed between the outer surrounding plate (11) and the inner surrounding plate (12), wherein a high-strength soft silk thread is wound on the rotary drum, and one end of the high-strength soft silk thread is connected with the metal hook and the other end of the high-strength soft silk thread is fixed on the rotary drum.
2. An active traction anti-impact system when an unmanned aerial vehicle falls as claimed in claim 1, wherein the contact plates (351) are arc-shaped and extend to two sides, and each contact plate (351) is enclosed into a circular structure, so that the contact portion (342) is always opposite to one contact plate (351) during rotation.
3. The active traction anti-impact system for the unmanned aerial vehicle falling as claimed in claim 1, further comprising an upper magnetic ring (37), wherein a positioning cylinder structure is disposed on the lower side of the hanging support plate (2), the upper magnetic ring (37) is embedded in the positioning cylinder structure, and the upper magnetic ring (37) and the middle magnetic ring (31) are disposed opposite to each other and opposite in polarity.
4. The active traction anti-impact system for the unmanned aerial vehicle falling process according to claim 1, wherein the swing rod (33) and the rectangular pressing plate (34) are made of light plastic materials, and the metal counterweight rod (4) is made of high-density metal materials.
5. An active traction anti-impact system when an unmanned aerial vehicle falls down according to claim 1, further comprising a locking block which can pass through the reset operation port (10c) and then be clamped in the operation hole (353 a).
6. An active traction anti-impact system when the unmanned aerial vehicle falls according to claim 1, further comprising a compression spring disposed between the metal counterweight rod (4) and the end of the support arm (332).
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| CN202111004412.9A CN113788152B (en) | 2021-08-30 | 2021-08-30 | Active traction anti-impact system for unmanned aerial vehicle falling |
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| CN202111004412.9A CN113788152B (en) | 2021-08-30 | 2021-08-30 | Active traction anti-impact system for unmanned aerial vehicle falling |
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| CN113788152B CN113788152B (en) | 2023-08-04 |
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