CN115626520B - Unmanned aerial vehicle pay-off rack and use method - Google Patents
Unmanned aerial vehicle pay-off rack and use method Download PDFInfo
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- CN115626520B CN115626520B CN202211412916.9A CN202211412916A CN115626520B CN 115626520 B CN115626520 B CN 115626520B CN 202211412916 A CN202211412916 A CN 202211412916A CN 115626520 B CN115626520 B CN 115626520B
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- damping value
- unmanned aerial
- aerial vehicle
- end plate
- swing rod
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H49/00—Unwinding or paying-out filamentary material; Supporting, storing or transporting packages from which filamentary material is to be withdrawn or paid-out
- B65H49/18—Methods or apparatus in which packages rotate
- B65H49/20—Package-supporting devices
- B65H49/24—Rollers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H49/00—Unwinding or paying-out filamentary material; Supporting, storing or transporting packages from which filamentary material is to be withdrawn or paid-out
- B65H49/18—Methods or apparatus in which packages rotate
- B65H49/20—Package-supporting devices
- B65H49/32—Stands or frameworks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H57/00—Guides for filamentary materials; Supports therefor
- B65H57/14—Pulleys, rollers, or rotary bars
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H59/00—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators
- B65H59/10—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators by devices acting on running material and not associated with supply or take-up devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H63/00—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/46—Processes or apparatus adapted for installing or repairing optical fibres or optical cables
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/46—Processes or apparatus adapted for installing or repairing optical fibres or optical cables
- G02B6/48—Overhead installation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/30—Handled filamentary material
- B65H2701/32—Optical fibres or optical cables
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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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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Quality & Reliability (AREA)
- Tension Adjustment In Filamentary Materials (AREA)
Abstract
The invention discloses an unmanned aerial vehicle pay-off rack and a use method thereof, which belong to the technical field of communication equipment, and comprise a hanging bracket connected with an unmanned aerial vehicle landing gear, and are characterized by comprising the unmanned aerial vehicle pay-off rack, and the invention has the beneficial effects that: the electronic control unlocking device is provided for triggering, the left cross beam and the right cross beam are sprung out through the compression spring and the guide rail in the hanging frame, the square center at the end part of the adjusting rotating shaft of the left end plate and the right end plate is separated from the left shaft hole and the right shaft hole of the fixed optical cable disc, the load of the unmanned aerial vehicle is lightened, the safe return of the unmanned aerial vehicle is ensured, the damping value of the rotating shaft of the magnetic tension controller is introduced, the logic judgment of the first positive damping value, the second positive damping value, the first negative damping value and the second negative damping value is utilized, the adjustment of the optical cable laying speed and the buffer error-preventing collision during the adjustment of the optical cable laying speed are realized, and the unmanned aerial vehicle pay-off rack is automatically thrown by utilizing the damping value.
Description
Technical field:
the invention belongs to the technical field of communication equipment, and particularly relates to an unmanned aerial vehicle pay-off rack and a use method thereof.
The background technology is as follows:
in the optical cable laying process, special geographical environments such as vehicles, personnel and the like which cannot pass through the ground quickly can be met, a certain difficulty is brought to optical cable laying, and paying-off of unmanned aerial vehicles is achieved.
The unmanned aerial vehicle paying-off has flexible system maneuver, can overcome the influence of the terrain environment, can rapidly complete the deployment of a safe and reliable high-capacity communication link, provides communication guarantee for communication services such as voice, data, images, audios and videos and the interconnection and intercommunication, information sharing and collaborative linkage among the systems, and improves high remote command and on-site scheduling capability.
The existing unmanned aerial vehicle paying-off technology cannot control the tensile force applied to the optical cable in the optical cable paying-off process, and the phenomena of cable stranding, scattering, optical cable breaking and the like are easy to occur in the paying-off process; once the problem occurs, the pay-off rack needs to be manually found in time and thrown down through the remote controller, and due to the fact that the observation distance is far, and subjectivity of people is added, specific conditions cannot be objectively reflected, and misoperation is easy to occur.
The invention comprises the following steps:
in order to solve the problems and overcome the defects in the prior art, the invention provides an unmanned aerial vehicle pay-off rack and a use method thereof,
the first technical problem to be solved is: the unmanned aerial vehicle paying-off technology can not control the tensile force born by the optical cable in the optical cable paying-off process, and the phenomena of cable stranding, scattering, optical cable breaking and the like easily occur in the paying-off process.
The second technical problem to be solved is: because the observation distance is far, and the subjectivity of a person is added, the situation of specific conditions cannot be objectively reflected, and misoperation is easy to occur.
The specific technical scheme for solving the technical problems is as follows: the unmanned aerial vehicle pay-off rack comprises a hanging bracket connected with an unmanned aerial vehicle landing gear, and is characterized in that a guide rail is arranged on the lower end face of the hanging bracket, a left cross beam and a right cross beam are connected to the two sides of the guide rail in a sliding mode, the outer side ends of the left cross beam and the right cross beam are fixed on a side end plate, and the side end plate comprises a left end plate and a right end plate; compression springs are arranged at the inner side ends of the left cross beam and the right cross beam in a matched mode, an electric control unlocking device connecting plate is fixedly arranged on the inner side walls of the left cross beam and the right cross beam, and the electric control unlocking device connecting plate is matched with the electric control unlocking device;
the inner side walls of the left end plate and the right end plate are rotatably connected with an adjusting rotating shaft, square tips at the ends of the adjusting rotating shafts of the left end plate and the right end plate are detachably inserted into left and right shaft holes for clamping and fixing the optical cable tray,
swing rods are rotationally connected to the outer side walls of the left end plate and the right end plate,
and a damping adjusting structure is sleeved outside at least one adjusting rotating shaft of the left end plate or the right end plate.
Further, the damping adjusting structure comprises a large synchronous pulley, a synchronous belt, a small synchronous pulley and a magnetic tension controller.
Further, the large synchronous pulley is arranged at the outer side of the adjusting rotating shaft through a key connecting sleeve, the large synchronous pulley drives the small synchronous pulley to rotate through a synchronous belt, the small synchronous pulley is fixed through the rotating shaft and penetrates through the side end plate, the end part of the rotating shaft of the small synchronous pulley is connected with the input end of the magnetic tension controller, and the output end of the magnetic tension controller is fixed with the inner wall of the swing rod.
Further, the middle part of the swing rod is connected with an extension spring; an upper site throwing touch switch and a lower site throwing touch switch are further arranged in the side walls of the left end plate and the right end plate which are positioned above and below the swing rod, the upper site throwing touch switch and the lower site throwing touch switch are respectively provided with a buffer sliding groove, a sliding block is arranged in each buffer sliding groove, and the tail end of each buffer sliding groove is provided with a throwing touch switch; the side wall of the sliding block is provided with a touch needle matched with the throwing touch switch.
Further, the upper site throwing touch switch and the lower site throwing touch switch are both arranged at the end part of the buffer chute.
Further, a guide wheel for preventing the optical cable from falling off is arranged in the middle of the swing rod.
Further, a buffer spring matched with the sliding block is further arranged in the buffer sliding groove.
The unmanned aerial vehicle pay-off rack is adopted, and a first positive damping value, a second positive damping value, a first negative damping value and a second negative damping value are arranged according to the damping value of the magnetic tension controller;
when the damping value of the magnetic tension controller is between the first positive damping value and the first negative damping value, the left swing rod and the right swing rod are pulled to swing up and down through cable tension, and the damping of the rotating shaft of the magnetic tension controller is regulated to be maintained between the first positive damping value and the first negative damping value through the magnetic tension controller connected with the swing rod, so that the optical cable drum is ensured to rotate at a constant speed;
when the damping value of the magnetic tension controller is positioned between the first positive damping value and the second positive damping value or between the first negative damping value and the second negative damping value, the left swing rod and the right swing rod are pulled to swing up and down through cable tension, the relative state of the magnet of the magnetic tension controller is further changed through the swing rod, the damping of the rotating shaft of the magnetic tension controller is regulated to be maintained between the first positive damping value and the first negative damping value, the optical cable tray is ensured to rotate at a constant speed, the swing rod drives the sliding of the sliding block, and the touch needle does not touch the throwing touch switch due to the fact that the second positive damping value or the second negative damping value is not reached, and the unmanned aerial vehicle pay-off rack is prevented from being thrown due to misoperation;
when the damping value of the magnetic tension controller reaches the second positive damping value or the second negative damping value; the swing rod drives the sliding block to slide in the buffer sliding groove, so that damping of the magnetic tension controller is overcome, the touch needle touches the throwing touch switch, and the unmanned aerial vehicle pay-off rack is thrown down.
The unmanned aerial vehicle pay-off rack is adopted, and a first positive damping value, a second positive damping value, a first negative damping value and a second negative damping value are set according to the damping value of the magnetic tension controller;
when the damping value of the magnetic tension controller is between the first positive damping value and the first negative damping value, the left swing rod and the right swing rod are pulled to swing up and down through cable tension, and the damping of the rotating shaft of the magnetic tension controller is regulated to be maintained between the first positive damping value and the first negative damping value through the magnetic tension controller connected with the swing rod, so that the optical cable drum is ensured to rotate at a constant speed;
when the damping value of the magnetic tension controller is between the first positive damping value and the second positive damping value or between the first negative damping value and the second negative damping value, the left swing rod and the right swing rod are pulled by cable tension to swing up and down and are combined with a buffer spring matched with the sliding block, the relative state of the magnet of the magnetic tension controller is further changed through the swing rod, the damping of the magnetic tension controller and the restoring force combined with the buffer spring are overcome, the damping of the rotating shaft of the magnetic tension controller is regulated to be maintained between the first positive damping value and the first negative damping value, the optical cable tray is ensured to rotate at a constant speed, the swing rod drives the sliding block to slide, and the touch needle does not touch the throwing touch switch because the second positive damping value or the second negative damping value is not reached, so that the unmanned aerial vehicle pay-off frame is prevented from being thrown down due to misoperation;
when the damping value of the magnetic tension controller is positioned at the second positive damping value or the second negative damping value; the swing rod drives the sliding block to slide, so that the damping of the magnetic tension controller and the restoring force of the combined buffer spring are overcome, the touch needle touches the throwing touch switch, and the unmanned aerial vehicle pay-off rack is thrown down.
The beneficial effects of the invention are as follows:
the invention has the advantages that the matching of the optical cable paying-off speed is realized by matching the magnetic tension controller with the swing rod and adjusting the rotating shaft resistance of the optical cable reel by utilizing the optical cable tension in cooperation with the rotating speed of the adjusting rotating shaft of the optical cable reel, so that the situation of cable stranding and scattering in the paying-off process is avoided;
the invention has the advantages that the electronic control unlocking device is provided for triggering, the left cross beam and the right cross beam are sprung out through the compression springs and the guide rails in the hanging frame, the square tips at the end parts of the adjusting rotating shafts of the left end plate and the right end plate are separated from the left shaft hole and the right shaft hole of the fixed optical cable disc, the rest optical cable and the cable disc are thrown down simultaneously, the load of the unmanned aerial vehicle is reduced, and the safe return of the unmanned aerial vehicle is ensured.
The invention has the advantages that the damping value of the rotating shaft of the magnetic tension controller is introduced, and the adjustment of the cable laying speed of the optical cable, the buffer error collision prevention during the adjustment of the cable laying speed of the optical cable and the automatic throwing of the unmanned aerial vehicle pay-off rack by utilizing the damping value are realized by utilizing the logic judgment of the first positive damping value, the second positive damping value, the first negative damping value and the second negative damping value.
Description of the drawings:
FIG. 1 is a schematic diagram of the front view structure of the present invention;
FIG. 2 is a schematic perspective view of the present invention;
FIG. 3 is a schematic diagram of an upper-position throwing touch switch of the present invention;
FIG. 4 is a schematic view of a first embodiment of the present invention;
FIG. 5 is a schematic view of a second embodiment of the present invention;
FIG. 6 is a schematic view of a third embodiment of the present invention; in the accompanying drawings:
1. a hanging bracket; 2. an electric control unlocking device; 3. a left cross beam; 4. a right cross beam; 5. a left end plate; 6. a right end plate; 7. a guide rail; 8. a compression spring; 9. an electric control unlocking device connecting plate; 10. adjusting the rotating shaft; 11. an optical cable reel; 12. a magnetic tension controller; 13. a small synchronous pulley; 14. a synchronous belt; 15. a large synchronous pulley; 16. swing rod; 17. a tension spring; 18. the upper position is thrown to touch the switch; 19. throwing a touch switch at the lower position; 20. a guide wheel; 21. buffering sliding grooves; 22. a slide block; 23. and throwing the touch switch.
The specific embodiment is as follows:
specific details are set forth in the description of the invention in order to provide a thorough understanding of embodiments of the invention, it will be apparent to those skilled in the art that the invention is not limited to these details. In other instances, well-known structures and functions have not been shown or described in detail to avoid obscuring aspects of embodiments of the invention. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Specific embodiments of the invention:
for better understanding of the present invention, specific examples are given, and it should be emphasized that the effects of the examples are not substantially different from those of the various examples within the scope of the present invention, including the respective reagents and the content ratios of the reagents, and that other combinations are not described here;
it should be noted that, an unmanned aerial vehicle pay off rack, during specific work
1. The hanging bracket 1 is arranged in the lower space of the landing gear of the unmanned aerial vehicle, the top of the hanging bracket 1 is connected with the landing gear, the middle of the hanging bracket is provided with an electric control unlocking device 2, a left cross beam 3 and a right cross beam 4 which are connected with a left end plate 5 and a right end plate 6,
the hanger 1 connects the cross beams 3 and 4 together through the guide rail 7, when a force is applied to push the left end plate 5 and the right end plate 6, the guide rail 7 can compress the spring 8 to slide, and the optical cable tray 11 is clamped and fixed left and right through the square center of the rotating adjusting rotating shaft 10, and at the moment, the electric control unlocking device 2 can also lock the electric control unlocking device connecting plate 9.
2. The damping adjusting structure is sleeved outside at least one adjusting rotating shaft 10 of the left end plate 5 or the right end plate 6 and comprises a large synchronous pulley 15, a synchronous belt 14, a small synchronous pulley 13 and a magnetic tension controller 12, wherein the large synchronous pulley 15 is arranged outside the adjusting rotating shaft 10 through a key connecting sleeve, the large synchronous pulley 15 drives the small synchronous pulley 13 to rotate through the synchronous belt 14, the small synchronous pulley 13 is fixed through the rotating shaft and penetrates through a side end plate, the end part of the rotating shaft of the small synchronous pulley 13 is connected with the input end of the magnetic tension controller 12, and the output end of the magnetic tension controller 12 is fixed with the inner wall of the swing rod 16;
the output shaft of the magnetic tension controller 12 drives the swing rod 16 to swing up and down, and the front end of the swing rod 16 is provided with an optical cable anti-drop guide wheel 20.
Working principle:
1. supplying power to the electric control unlocking device 2, loosening the left end plate 5 and the right end plate 6, and putting the optical cable drum 11 into the left end plate 5 and the right end plate 6;
2. the square centers of the rotating shafts of the left end plate 5 and the right end plate 6 are inserted into the left square hole and the right square hole of the optical cable tray, and the left end plate 5 and the right end plate 6 are locked by utilizing the electric control unlocking device 2;
3. one end of the optical cable is clamped in a guide wheel 20 which is arranged at the front end of the swing rod 16 and used for preventing the optical cable from falling off;
4. after the unmanned aerial vehicle takes off, the optical cable is laid out by driving the optical cable reel to rotate through the gravity of the sagging optical cable;
5. in order to ensure that the optical cable on the optical cable reel does not generate strand pressing and scattering in the paying-off process, the optical cable always maintains a certain cable tension, the left swing rod 16 and the right swing rod 16 are pulled to swing up and down through the cable tension, the damping of the rotating shaft of the magnetic tension controller is regulated through the magnetic tension controller 12 connected with the swing rod 16,
when the two magnets in the magnetic tension controller are different in polarity, larger damping is generated due to the fact that the polarities of the two magnets are opposite, paying-off is decelerated at the moment, when the polarities of the two magnets are identical, mutual repulsion is performed, the damping is minimum, the paying-off is in an acceleration state at the moment, the damping is transmitted to a rotating shaft of a right end plate through a synchronous pulley group, and a rotating resistance which can be adjusted along with the tension of a cable is applied to the rotation of the optical cable tray 11;
embodiment one:
(1) When the damping value of the magnetic tension controller 12 is between the first positive damping value and the first negative damping value, the left swing rod 16 and the right swing rod 16 are pulled to swing up and down through cable tension, and the damping of the rotating shaft of the magnetic tension controller 12 is adjusted to be maintained between the first positive damping value and the first negative damping value through the magnetic tension controller 12 connected with the swing rod 16, so that the optical cable drum is ensured to rotate at a constant speed;
specifically, when the tensile force of the optical cable is increased, the swing rod 16 is pressed down, the damping at the position of the adjusting rotating shaft 10 of the optical cable tray 11 is continuously reduced, the optical cable tray is guaranteed to rotate at a constant speed, the swing rod is positioned at a balance position between upper limit and lower limit in the constant speed flight process of the unmanned plane, when the plane accelerates or decelerates, the damping of the adjusting rotating shaft 10 is adjusted according to the up-and-down movement of the swing rod 16, and finally the purpose of controlling the rotating speed of the optical cable tray is achieved; as in fig. 4;
(2) When an emergency situation occurs in the paying-off process of the unmanned aerial vehicle, if the unmanned aerial vehicle cannot stabilize the self-flight attitude, the cable pulls the swing rod 16, so that the swing rod 16 exceeds the first positive damping value and the first negative damping value, and the first positive damping value and the second positive damping value are reached; or between the first negative damping value and the second negative damping value;
the left swing rod 16 and the right swing rod 16 are pulled to swing up and down through the cable tension, the damping of the rotating shaft of the magnetic tension controller 12 is regulated to be maintained between a first positive damping value and a first negative damping value through the magnetic tension controller 12 connected with the swing rod 16, so that the unmanned aerial vehicle is regulated to stabilize the self-flying gesture,
at this time, the swing rod 16 swings further, the driving slide block slides in the buffer slide groove 21, and the relative motion makes the damping of the rotating shaft of the magnetic tension controller 12 more beneficial to tending to be adjusted between a first positive damping value and a first negative damping value under the action of the magnet, so that the unmanned aerial vehicle is adjusted to stabilize the self-flying attitude; particularly, the buffer sliding groove 21 can buffer and prevent the unmanned aerial vehicle pay-off rack from being thrown down due to false collision, so that loss is generated; as in fig. 5 or 6;
(3) When the unmanned aerial vehicle still cannot stabilize the self-flying gesture, the slide block 22 is driven by the swing rod 16 to buffer the end part of the sliding chute 21, the damping of the rotating shaft of the magnetic tension controller 12 is adjusted to reach a third positive damping value or a third negative damping value,
the touch needle of the side wall of the sliding block 22 is contacted with the throwing touch switch 23, the throwing touch switch 23 is opened, the electric control unlocking device 2 is powered, the left cross beam 3 and the right cross beam 4 are sprung out through the compression spring 8 and the guide rail 7 in the hanging frame 1, square tips at the end parts of the adjusting rotating shafts 10 of the left end plate 5 and the right end plate 6 are separated from left and right shaft holes of the fixed optical cable tray 11, the rest optical cables and the cable tray are thrown down simultaneously, the load of the unmanned aerial vehicle is lightened, and the safe return of the unmanned aerial vehicle is ensured.
Embodiment two: the first embodiment is different in that a buffer spring matched with the sliding block is also arranged in the buffer sliding groove,
in addition to the effects described in the first embodiment, the swing rod 16 swings the driving slider further, and the driving slider slides in the buffer sliding groove 21, and this relative motion makes the damping of the rotating shaft of the magnetic tension controller 12 under the action of the magnet and cooperate with the restoring force of the buffer spring, so that the damping of the magnetic tension controller 12 and the restoring force of the buffer spring are overcome, and the unmanned aerial vehicle tends to be adjusted between the first positive damping value and the first negative damping value, so that the unmanned aerial vehicle is adjusted to stabilize its own flight attitude.
To sum up: the invention has the advantages that the matching of the optical cable paying-off speed is realized by matching the magnetic tension controller with the swing rod and adjusting the rotating shaft resistance of the optical cable reel by utilizing the optical cable tension in cooperation with the rotating speed of the adjusting rotating shaft of the optical cable reel, so that the situation of cable stranding and scattering in the paying-off process is avoided;
the invention has the advantages that the electronic control unlocking device is provided for triggering, the left cross beam and the right cross beam are sprung out through the compression springs and the guide rails in the hanging frame, the square tips at the end parts of the adjusting rotating shafts of the left end plate and the right end plate are separated from the left shaft hole and the right shaft hole of the fixed optical cable disc, the rest optical cable and the cable disc are thrown down simultaneously, the load of the unmanned aerial vehicle is reduced, and the safe return of the unmanned aerial vehicle is ensured.
The invention has the advantages that the damping value of the rotating shaft of the magnetic tension controller is introduced, and the adjustment of the cable laying speed of the optical cable, the buffer error collision prevention during the adjustment of the cable laying speed of the optical cable and the automatic throwing of the unmanned aerial vehicle pay-off rack by utilizing the damping value are realized by utilizing the logic judgment of the first positive damping value, the second positive damping value, the first negative damping value and the second negative damping value.
Claims (4)
1. The unmanned aerial vehicle pay-off rack comprises a hanging frame (1) connected with an unmanned aerial vehicle landing gear, and is characterized in that a guide rail (7) is arranged on the lower end face of the hanging frame (1), a left cross beam (3) and a right cross beam (4) are connected to the two sides of the guide rail (7) in a sliding mode, the outer side ends of the left cross beam (3) and the right cross beam (4) are fixed to side end plates, and the side end plates comprise a left end plate (5) and a right end plate (6); compression springs (8) are arranged at the inner side ends of the left cross beam (3) and the right cross beam (4) in a matched mode, an electric control unlocking device connecting plate (9) is fixedly arranged on the inner side walls of the left cross beam (3) and the right cross beam (4), and the electric control unlocking device connecting plate (9) is matched with the electric control unlocking device (2);
the inner side walls of the left end plate (5) and the right end plate (6) are rotatably connected with an adjusting rotating shaft (10), square tips at the end parts of the adjusting rotating shafts (10) of the left end plate (5) and the right end plate (6) are detachably inserted into left and right shaft holes for clamping and fixing the optical cable reel (11),
swing rods (16) are rotationally connected to the outer side walls of the left end plate (5) and the right end plate (6),
a damping adjusting structure is sleeved outside at least one adjusting rotating shaft (10) of the left end plate (5) or the right end plate (6);
the damping adjusting structure comprises a large synchronous pulley (15), a synchronous belt (14), a small synchronous pulley (13) and a magnetic tension controller (12);
the large synchronous pulley (15) is arranged at the outer side of the adjusting rotating shaft (10) through a key connecting sleeve, the large synchronous pulley (15) drives the small synchronous pulley (13) to rotate through a synchronous belt (14), the small synchronous pulley (13) is fixed through the rotating shaft and penetrates through the side end plate, the rotating shaft end part of the small synchronous pulley (13) is connected with the input end of the magnetic tension controller (12), and the output end of the magnetic tension controller (12) is fixed with the inner wall of the swinging rod (16);
the middle part of the swing rod (16) is connected with an extension spring (17); an upper site throwing touch switch (18) and a lower site throwing touch switch (19) are further arranged in the side walls of the left end plate (5) and the right end plate (6) which are positioned above and below the swing rod (16), the upper site throwing touch switch (18) and the lower site throwing touch switch (19) are respectively provided with a buffer sliding groove (21), a sliding block (22) is arranged in the buffer sliding grooves (21), and the tail ends of the buffer sliding grooves (21) are provided with throwing touch switches (23); the side wall of the sliding block (22) is provided with a touch needle matched with the throwing touch switch (23).
2. The unmanned aerial vehicle pay-off rack according to claim 1, characterized in that the upper site throwing touch switch (18) and the lower site throwing touch switch (19) are both arranged at the end part of the buffer chute (21).
3. The unmanned aerial vehicle pay-off rack according to claim 1, characterized in that the middle part of the swing rod (16) is provided with a guide wheel (20) for preventing the optical cable from falling off.
4. A method of using an unmanned aerial vehicle pay-off rack as defined in any one of claims 1 to 3, wherein: the using method of the unmanned aerial vehicle pay-off rack is characterized in that a first positive damping value, a second positive damping value, a first negative damping value and a second negative damping value are arranged according to the damping value of the magnetic tension controller (12);
when the damping value of the magnetic tension controller (12) is between the first positive damping value and the first negative damping value, the left swing rod (16) and the right swing rod (16) are pulled to swing up and down through cable tension, the damping of the rotating shaft of the magnetic tension controller (12) is regulated to be maintained between the first positive damping value and the first negative damping value through the magnetic tension controller (12) connected with the swing rod (16), and the optical cable disc (11) is ensured to rotate at a constant speed;
when the damping value of the magnetic tension controller (12) is between the first positive damping value and the second positive damping value or between the first negative damping value and the second negative damping value, the left swing rod (16) and the right swing rod (16) are pulled to swing up and down through cable tension, the relative state of the magnet of the magnetic tension controller (12) is further changed through the swing rod (16), the damping of the rotating shaft of the magnetic tension controller (12) is regulated to be maintained between the first positive damping value and the first negative damping value, the optical cable drum (11) is ensured to rotate at a constant speed, the swing rod (16) drives the sliding block (22) to slide, and the touch needle does not touch the throwing touch switch (23) due to the fact that the second positive damping value or the second negative damping value is not reached, and the drop of an unmanned aerial vehicle pay-off frame caused by misoperation is avoided;
when the damping value of the magnetic tension controller (12) reaches the second positive damping value or the second negative damping value; the swing rod (16) drives the sliding block (22) to slide in the buffer sliding groove (21), so that damping of the magnetic tension controller (12) is overcome, the touch needle touches the throwing touch switch (23), and the unmanned aerial vehicle pay-off rack is thrown down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211412916.9A CN115626520B (en) | 2022-11-11 | 2022-11-11 | Unmanned aerial vehicle pay-off rack and use method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211412916.9A CN115626520B (en) | 2022-11-11 | 2022-11-11 | Unmanned aerial vehicle pay-off rack and use method |
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