CN116592100B - Transmission device and method based on helicopter landing assisting device - Google Patents

Transmission device and method based on helicopter landing assisting device Download PDF

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Publication number
CN116592100B
CN116592100B CN202310523555.3A CN202310523555A CN116592100B CN 116592100 B CN116592100 B CN 116592100B CN 202310523555 A CN202310523555 A CN 202310523555A CN 116592100 B CN116592100 B CN 116592100B
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China
Prior art keywords
helicopter
transmission
rotating
rotating plate
outer side
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CN202310523555.3A
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Chinese (zh)
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CN116592100A (en
Inventor
赵德满
彭玲
刘波
汤依哲
文欢
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Changsha Zt Aero Transimission Co ltd
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Changsha Zt Aero Transimission Co ltd
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Priority to CN202310523555.3A priority Critical patent/CN116592100B/en
Publication of CN116592100A publication Critical patent/CN116592100A/en
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Classifications

    • 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
    • B64D1/00—Dropping, ejecting, releasing, or receiving articles, liquids, or the like, in flight
    • B64D1/02—Dropping, ejecting, or releasing articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
    • B66D1/02—Driving gear
    • B66D1/12—Driving gear incorporating electric motors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
    • B66D1/60—Rope, cable, or chain winding mechanisms; Capstans adapted for special purposes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
    • F16H37/02—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings
    • F16H37/04—Combinations of toothed gearings only
    • F16H37/041—Combinations of toothed gearings only for conveying rotary motion with constant gear ratio
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H7/00—Gearings for conveying rotary motion by endless flexible members
    • F16H7/06—Gearings for conveying rotary motion by endless flexible members with chains
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T50/00—Aeronautics or air transport
    • Y02T50/40—Weight reduction

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Toys (AREA)

Abstract

The invention discloses a transmission device and a transmission method based on a helicopter landing assisting device, wherein the transmission device comprises a transmission connecting rope arranged in the helicopter, a first telescopic device for driving the transmission connecting rope to stretch out and draw back is arranged in the helicopter, an auxiliary connecting rope is arranged on the outer side of the transmission connecting rope, a second telescopic device is arranged in the helicopter, the second telescopic device can drive the auxiliary connecting rope to stretch out and draw back, the second telescopic device drives the auxiliary connecting rope to assist in descending of the transmission connecting rope.

Description

Transmission device and method based on helicopter landing assisting device
Technical Field
The invention relates to the technical field of helicopter landing assistance, in particular to a transmission device and a transmission method based on a helicopter landing assistance device.
Background
Because the helicopter has low requirements on the landing site, the helicopter can safely land anywhere without intentional preparation in most film and television works; however, when the helicopter is lifted off and lowered on the marine vessel, the lifting area on the vessel is limited, wind waves on the sea are larger, and the safety of the helicopter faces more danger, so that the helicopter is difficult to lift off and lowered on the vessel and is required to be lifted off and lowered by a lifting assisting device, and the lifting assisting mode of the helicopter mainly comprises a fish fork-grid type landing assisting device and a pull-down type landing assisting device;
the landing device is also called landing traction equipment and consists of a rope, a winch, a main probe pipe, a tail probe pipe, a rope, a winch, a clamping mechanism, a rope, a winch, an operating console and the like which are arranged on a helicopter, wherein when the helicopter is ready to land on a ship, the rope is put down by the winch on the helicopter, a flight deck personnel on the ship fixes the rope on a connecting device on the deck, once the connection is completed, the rope is tightened on the descending surface of the helicopter, so that the rope is kept in a tensioning state until the helicopter contacts the deck, and the tension born by the rope is nearly 4000 kilowatts;
however, when the conventional pull-down rope is used in transmission, the pull-down rope is beneficial to the ship to be located at sea, so that the wave on the sea is relatively large, and therefore, when the pull-down rope descends, workers cannot grasp the pull-down rope well due to the fact that the wave on the sea swings back and forth, the pull-down rope is relatively hard, and when one end of the pull-down rope is thrown onto the body of the workers on the ship, the workers are injured. For this purpose, we propose a transmission device and method based on a helicopter landing gear.
Disclosure of Invention
The invention aims to provide a transmission device and a transmission method based on a lifting device of a helicopter, so as to solve the problems in the background art.
In order to achieve the above purpose, the present invention provides the following technical solutions: the transmission device and the method based on the helicopter landing assisting device comprise a transmission connecting rope arranged in the helicopter, wherein an outlet is arranged at the bottom of the helicopter, and a first telescopic device for driving the transmission connecting rope to stretch out and draw back is arranged in the helicopter;
an auxiliary connecting rope is arranged on the outer side of the transmission connecting rope;
the helicopter is characterized in that a second telescopic device is arranged in the helicopter, the second telescopic device can drive the auxiliary connecting rope to stretch out and draw back, and the second telescopic device drives the auxiliary connecting rope to assist in driving the descending of the connecting rope.
Preferably, the first telescopic device comprises a first driving motor arranged at the bottom of the helicopter, a rotating plate is arranged at the output end of the first driving motor, and the outer side of the rotating plate is connected with one end of a transmission connecting rope;
the outside of the outlet is provided with a positioning pulley, the outside of the transmission connecting rope is in sliding connection with the outside of the positioning pulley, and two ends of the positioning pulley are rotationally connected with the bottom of the helicopter.
Preferably, the auxiliary connecting cable consists of a plurality of rotating wheels, a connecting component is arranged between every two rotating wheels, and the second telescopic device can drive the connecting component to move;
one end of the rotating wheel is connected with the outer side of the telescopic device, an auxiliary wheel I is arranged on the outer side of the outlet, two ends of the auxiliary wheel I are rotatably connected with the bottom of the helicopter, and a plurality of grooves I attached to the rotating wheel are formed in the auxiliary wheel I;
the bottom of the rotating wheel is provided with a first connecting device which is connected with the bottom of the transmission connecting rope.
Preferably, the connecting component comprises a first rotating plate and a second rotating plate which are arranged between every two rotating wheels, and the top of the first rotating plate and the bottom of the second rotating plate are respectively connected with the centers of the two rotating wheels which are close to each other in a rotating way;
the bottom of the rotating plate II is rotationally connected with the top of the rotating plate I, the rotating plate II is positioned at the outer side of the rotating plate I, the bottom of the rotating plate I is rotationally connected with the top of the rotating plate II through a rotating shaft, connecting grooves are respectively formed in two ends of the rotating plate I, and an electromagnet I is arranged in the connecting grooves;
the two ends of the second rotating plate are respectively provided with a fixed groove, a sliding rod is arranged in the fixed groove, one end of the sliding rod is provided with a second electromagnet, the other end of the sliding rod is provided with a pressing plate, and the pressing plate is provided with an inductor;
the sliding rod outside is connected with auxiliary spring, and auxiliary spring's one end and fixed slot internal connection.
Preferably, the first connecting device comprises a fixed clamping rod arranged at the bottom of the bottom rotating wheel, a fixed block is arranged at the bottom of the transmission connecting rope, a first clamping groove which is clamped with the bottom of the fixed clamping rod is formed in the fixed block, a first lantern ring is arranged on the outer side of the fixed clamping rod, and the first lantern ring is in sliding sleeve joint with the outer side of the transmission connecting rope.
Preferably, the second telescopic device comprises a second driving motor arranged at the bottom of the helicopter, the output end of the second driving motor is connected with a rotating frame, and the outer side of the rotating frame is connected with one end of an auxiliary connecting rope;
the other end of the rotating frame is connected with a first driving gear, the bottom of the first driving gear is connected with a worm, both ends of the worm are rotationally connected with the bottom of the helicopter, one end of the worm is connected with a second driving gear, the outer side of the driving gear is connected with a first connecting gear in a meshed manner, the outer side of the first connecting gear is connected with a second connecting gear in a meshed manner, and the centers of the first connecting gear and the second connecting gear are rotationally connected with the bottom of the helicopter;
the center of connecting gear one and connecting gear two do not is connected with the connecting rod, connecting rod one end is connected with the pinch roller, the pinch roller is connected with the laminating of clamp plate outside.
Preferably, the auxiliary connecting rope comprises a transmission rope connected with one end of the second telescopic device, and a plurality of fixed wheels are connected to the bottom of the transmission rope;
the inside of the helicopter is rotationally connected with an auxiliary wheel II through a bearing, a plurality of grooves II connected with the fixed wheels are formed in the auxiliary wheel II, and grooves III connected with the transmission rope are formed in the auxiliary wheel;
a connecting component is connected between every two fixed wheels;
the connecting component comprises a first rotating plate and a second rotating plate which are arranged between every two fixed wheels, and the top of the first rotating plate and the bottom of the second rotating plate are respectively connected with the centers of the two fixed wheels which are close to each other in a rotating way;
the bottom of the rotating plate II is rotationally connected with the top of the rotating plate I, the rotating plate II is positioned at the outer side of the rotating plate I, the bottom of the rotating plate I is rotationally connected with the top of the rotating plate II through a rotating shaft, connecting grooves are respectively formed in two ends of the rotating plate I, and an electromagnet I is arranged in the connecting grooves;
the two ends of the second rotating plate are respectively provided with a fixed groove, a sliding rod is arranged in the fixed groove, one end of the sliding rod is provided with a second electromagnet, the other end of the sliding rod is provided with a pressing plate, and the pressing plate is provided with an inductor;
an auxiliary spring is connected to the outer side of the sliding rod, and one end of the auxiliary spring is connected with the inside of the fixed groove;
the connecting groove at the top is internally provided with a first fixer, and the outer side of one end of the sliding rod at the top is connected with a second fixer connected with the first fixer;
the bottom of the fixed wheel is provided with a second connecting device which is connected with the bottom of the transmission connecting cable, and the connection of the first fixer and the second fixer controls the second connecting device to open and close.
Preferably, the second connecting device comprises a vertical rod arranged at the bottom of the fixed wheel, the bottom of the transmission connecting cable is provided with a second clamping groove clamped with the bottom of the vertical rod, the outer side of the vertical rod is provided with a second lantern ring, and the second lantern ring is in sliding connection with the outer side of the transmission connecting cable;
the outside of the vertical rod is connected with a supporting shell through a bolt, and an auxiliary air bag device is arranged inside the supporting shell.
Preferably, the auxiliary airbag device comprises an igniter arranged inside a supporting shell, an inflating agent is arranged inside the supporting shell, an airbag is arranged outside the inflating agent, and a fixing opening connected with the airbag is arranged outside the supporting shell.
Preferably, the method comprises the following steps:
step one: a worker on the helicopter opens the first telescopic device and the second telescopic device which are arranged at first, and the first telescopic device and the second telescopic device can respectively drive the transmission connecting rope and the auxiliary connecting rope to descend to a certain position;
step two: a worker on the naval vessel pulls the bottom of the transmission connecting rope and the bottom of the auxiliary connecting rope, and releases the connection relation of the bottom of the auxiliary connecting rope and the transmission connecting rope;
step three: then, a worker on the helicopter opens the second telescopic device, the second telescopic device drives the auxiliary connecting cable to ascend, and meanwhile, the worker on the naval vessel connects and fixes the bottom of the transmission connecting cable with the pull-down cable on the naval vessel to realize the landing assistance of the helicopter.
The invention has at least the following beneficial effects:
the first telescopic device and the second telescopic device can drive the transmission connecting rope and the auxiliary connecting rope to lift, and the auxiliary connecting rope can be changed into a vertical state under the action of the second telescopic device when the auxiliary connecting rope descends together with the rotating connecting rope, so that the descending transmission rod connecting rope is limited, and the phenomenon that the transmission connecting rope is driven to swing back and forth by wind waves on the sea to influence the injury of workers is avoided;
and simultaneously, the auxiliary connecting rope can be unfolded in the shape of an air bag at the bottom when descending, so that the auxiliary connecting rope is convenient for a worker to grasp, and the auxiliary connecting rope is prevented from being injured when being beaten on the body of the worker during swinging of the transmission connecting rope.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic top view of the structure of the present invention;
FIG. 3 is a schematic top view of a portion of the auxiliary connecting cable of the present invention;
FIG. 4 is a schematic diagram showing the positional relationship between the pinch roller and the auxiliary connecting cable according to the present invention;
FIG. 5 is a schematic cross-sectional view of a structural connection assembly of the present invention;
FIG. 6 is a schematic diagram of a structure of the present invention showing a second front view;
FIG. 7 is a schematic diagram of a front view of an embodiment of the second auxiliary connecting cable;
FIG. 8 is a schematic diagram of a cross-sectional structure of a structural connection assembly according to the present invention;
FIG. 9 is a schematic view of the internal structure of the support shell in cross section of the structure of the present invention;
FIG. 10 is a schematic cross-sectional side view of a structural support shell of the present invention;
fig. 11 is a schematic diagram of a second principle of the structural connection device of the present invention.
In the figure: 1-a transmission connecting rope; 2-outlet; 3-telescoping device one; 4-auxiliary connecting ropes; 5-a second telescopic device; 30-driving a first motor; 31-rotating plate; 32-positioning a pulley; 40-rotating wheels; 41-a connection assembly; 42-auxiliary wheel I; 43-groove one; 44-first connection means; 410-rotating plate one; 411-rotating plate two; 412-a connecting slot; 413—electromagnet one; 414-a fixed slot; 415-a sliding bar; 416-electromagnet two; 417-platen; 418-an inductor; 419-auxiliary springs; 440-fixing the clamping rod; 441-fixed blocks; 442-clamping groove I; 443-collar one; 50-driving a second motor; 51-rotating frame; 52-driving gear one; 53-worm; 54-a second driving gear; 55-connecting a first gear; 56-connecting a second gear; 57-connecting rod; 58-pressing wheel; 45-driving rope; 46-fixed wheels; 47-auxiliary wheel two; 470-groove two; 471-groove three; 48-first anchor; 480-a second fixer; 6-a second connecting device; 60-vertical rod; 61-a clamping groove II; 62-a second sleeve ring; 63-a support shell; 64-auxiliary balloon means; 65-igniter; 66-an inflator; 67-air bags; 68-fixed orifice.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-11, the present invention provides a technical solution:
embodiment one:
the transmission device and the method based on the helicopter landing assisting device comprise a transmission connecting rope 1 arranged in the helicopter, an outlet 2 is arranged at the bottom of the helicopter, a main probe tube is fixed at the outer side of the outlet 2, and a first telescopic device 3 for driving the transmission connecting rope 1 to stretch is arranged in the helicopter;
an auxiliary connecting rope 4 is arranged on the outer side of the transmission connecting rope 1;
a second telescopic device 5 is arranged in the helicopter, the second telescopic device 5 can drive the auxiliary connecting rope 4 to stretch and retract, and the second telescopic device 5 drives the auxiliary connecting rope 4 to assist in driving the connecting rope 1 to descend;
when the helicopter is used, a worker on the helicopter firstly opens the first telescopic device 3 and the second telescopic device 5, the first telescopic device 3 and the second telescopic device 5 can respectively drive the transmission connecting rope 1 and the auxiliary connecting rope 4 to descend to a certain position, and when the helicopter descends, the auxiliary connecting rope 4 is controlled by the second telescopic device 5 and can be in a vertical state, so that when the helicopter descends together with the transmission connecting rope 1, the swing of the transmission connecting rope 1 can be reduced, the wind wave on a ship is avoided to be too large, and the worker on the ship is inconvenient to pull and fix the transmission rope 45;
the personnel on the naval vessel pull the bottom of the transmission connecting rope 1 and the bottom of the auxiliary connecting rope 4, and release the connection relationship of the bottom of the auxiliary connecting rope 4 and the transmission connecting rope 1;
then staff on the helicopter opens telescoping device two 5, and telescoping device two 5 drive supplementary connecting rope 4 rises, and the in-process that rises supplementary connecting rope 4 can become the state that can bend again under the drive of telescoping device two 5 to realize the rolling, and simultaneously the staff on the naval vessel is with the transmission connecting rope 1 bottom and the pull-down rope on the naval vessel connect fixedly on realizing the help of helicopter and descend.
The first telescopic device 3 comprises a first driving motor 30 fixed at the bottom of the helicopter through a motor frame, a rotating plate 31 is fixed at the output end of the first driving motor 30, and the outer side of the rotating plate 31 is fixedly connected with one end of the transmission connecting cable 1;
a positioning pulley 32 is fixed on the outer side of the outlet 2, the outer side of the transmission connecting rope 1 is connected with the outer side of the positioning pulley 32 in a sliding manner, and two ends of the positioning pulley 32 are rotatably connected with the bottom of the helicopter through bearings;
when the pulley is used, the first driving motor 30 is turned on, the first driving motor 30 drives the rotating plate 31 to rotate, the rotating plate 31 rotates and can realize the winding and unwinding of the transmission connecting rope 1, so that the lifting of the transmission connecting rope 1 is controlled, and the pulley can guide and position the lifting of the transmission connecting rope 1.
The auxiliary connecting rope 4 consists of a plurality of rotating wheels 40, a connecting component 41 is arranged between every two rotating wheels 40, and the second telescopic device 5 can drive the connecting component 41 to move;
one end of the rotating wheel 40 is connected with the outer side of the second telescopic device 5, an auxiliary wheel I42 is arranged on the outer side of the outlet 2, two ends of the auxiliary wheel I42 are rotatably connected with the bottom of the helicopter through bearings, and a plurality of grooves I43 attached to the rotating wheel 40 are formed in the auxiliary wheel I42;
the bottom of the bottom rotating wheel 40 is provided with a first connecting device 44, and the first connecting device 44 is connected with the bottom of the transmission connecting rope 1;
the connecting component 41 comprises a first rotating plate 410 and a second rotating plate 411 which are arranged between every two rotating wheels 40, and the top of the first rotating plate 410 and the bottom of the second rotating plate 411 are respectively and rotatably connected with the centers of the two rotating wheels 40 which are close to each other through rotating shafts;
the bottom of the rotating plate II 411 is rotationally connected with the top of the rotating plate I410 through a rotating shaft, the rotating plate II 411 is positioned on the outer side of the rotating plate I410, the bottom of the rotating plate I410 is rotationally connected with the top of the rotating plate II 411 through the rotating shaft, connecting grooves 412 are respectively formed in the two ends of the rotating plate I410, and an electromagnet I413 is fixed in the connecting grooves 412;
the two ends of the second rotating plate 411 are respectively provided with a fixed groove 414, a sliding rod 415 is connected inside the fixed groove 414 in a sliding way, an electromagnet second 416 is fixed at one end of the sliding rod 415, a pressing plate 417 is fixed at the other end of the sliding rod 415, the pressing plate 417 is arc-shaped, and an inductor 418 is fixed on the pressing plate 417;
an auxiliary spring 419 is sleeved on the outer side of the sliding rod 415 in a sliding manner, one end of the auxiliary spring 419 is fixedly connected with the inside of the fixed groove 414, and the other end of the auxiliary spring 419 is fixedly connected with the outer side of the sliding rod 415;
the first connecting device 44 comprises a fixed clamping rod 440 fixed at the bottom of the bottom rotating wheel 40, a fixed block 441 is fixed at the bottom of the transmission connecting rope 1, a clamping groove I442 clamped with the bottom of the fixed clamping rod 440 is arranged on the fixed block 441, a lantern ring I443 is fixed at the outer side of the fixed clamping rod 440, and the lantern ring I443 is in sliding sleeve connection with the outer side of the transmission connecting rope 1;
the second telescopic device 5 comprises a second driving motor 50 fixed at the bottom of the helicopter through a motor frame, the output end of the second driving motor 50 is fixedly connected with a rotating frame 51, and the outer side of the rotating frame 51 is fixedly connected with one end of the auxiliary connecting cable 4;
the other end of the rotating frame 51 is fixedly connected with a first driving gear 52, the bottom of the first driving gear 52 is in meshed connection with a worm 53, both ends of the worm 53 are in rotary connection with the bottom of the helicopter through bearings, one end of the worm 53 is fixedly connected with a second driving gear 54, the outer side of the second driving gear 54 is in meshed connection with a first connecting gear 55, the outer side of the first connecting gear 55 is in meshed connection with a second connecting gear 56, and the centers of the first connecting gear 55 and the second connecting gear 56 are in rotary connection with the bottom of the helicopter through bearings;
the centers of the first connecting gear 55 and the second connecting gear 56 are respectively fixedly connected with a connecting rod 57, one end of the connecting rod 57 is connected with a pressing wheel 58, and the pressing wheel 58 is in fit connection with the outer side of the pressing plate 417;
when the first driving motor 30 is opened, the second driving motor 50 is simultaneously opened, the second driving motor 50 drives the second rotating frame 51 to rotate, and meanwhile, the fixed clamping rod 440 at the bottom is clamped with the first clamping groove 442, so that when the first driving motor 30 and the second driving motor 50 are simultaneously opened, the transmission connecting rope 1 and the auxiliary connecting rope 4 can synchronously descend from the outlet 2 on the helicopter;
when the auxiliary connecting cable 4 descends, the rotating wheel 40 slides on the first auxiliary wheel 42 to descend, meanwhile, when the first rotating plate 410 and the second rotating plate 411 on two sides of the rotating wheel 40 are in contact with the pinch roller 58, the rotating frame 51 rotates to drive the first driving gear 52, the worm 53 and the second driving gear 54 to rotate, the second driving gear 54 drives the first connecting gear 55 and the second connecting gear 56 to rotate, the first connecting gear 55 and the second connecting gear 56 drive the two connecting rods 57 to rotate, and the two connecting rods 57 drive the pinch roller 58 to rotate;
therefore, the pinch roller 58 can guide the rotating wheel 40 to descend, the pressing plate 417 outside the rotating plate 410 and the rotating plate 411 is pressed while descending, the sensor 418 on the pressing plate 417 is pressed by the pinch roller 58, the electromagnet 413 contacts with the electromagnet 416 to attract the rotating plate 410 and the rotating plate 411 to be fixed and not bent, so that the rotating wheel 40, the rotating plate 410 and the rotating plate 411 can form a state of a vertical rod 60 to descend together with the transmission connecting cable 1;
when the ship falls to a certain height, the auxiliary connecting rope 4 is in a state of a vertical rod 60, so that the phenomenon that the transmission connecting rope 1 swings when the wind and waves on the ship are too large is avoided, and the transmission connecting rope is inconvenient for workers to grasp;
when a worker on the ship mainly grabs the bottom of the transmission connecting cable 1, the second driving motor 50 is started, the second driving motor 50 drives the auxiliary connecting cable 4 to ascend, and the inductor 418 on the pressing plate 417 is extruded by the pressing wheel 58 for the second time in the ascending process, so that the electromagnet I413 and the electromagnet II 416 are separated, and the sliding rod 415 is returned to the initial position under the action of the auxiliary spring 419, so that the rolling of the rotating wheel 40 is not influenced;
and when the auxiliary connecting rope 4 is wound into the outlet 2, the winding is stopped, the bottom of the auxiliary connecting rope belongs to a vertical state, when the helicopter is completely descended, the transmission connecting rope 1 is retracted, the transmission connecting rope 1 is slidingly lifted in the first 443 of the lantern ring, and when the first 442 of the clamping groove is contacted and clamped with the fixed clamping rod 440, the first 30 of the driving motor can be closed, so that the landing assisting is completed.
Embodiment two:
the auxiliary connecting rope 4 comprises a transmission rope 45 fixedly connected with one end of the second telescopic device 5, and a plurality of fixed wheels 46 are fixedly connected to the bottom of the transmission rope 45;
the inside of the helicopter is rotatably connected with an auxiliary wheel II 47 through a bearing, a plurality of grooves II 470 connected with the fixed wheel 46 are formed in the auxiliary wheel II 47, and grooves III 471 connected with the transmission rope 45 are formed in the auxiliary wheel;
a connecting component 41 is connected between every two fixed wheels 46;
the connecting component 41 comprises a first rotating plate 410 and a second rotating plate 411 which are arranged between every two fixed wheels 46, and the top of the first rotating plate 410 and the bottom of the second rotating plate 411 are respectively and rotatably connected with the centers of the two fixed wheels 46 which are close to each other through bearings;
the bottom of the rotating plate II 411 is rotationally connected with the top of the rotating plate I410 through a rotating shaft, the rotating plate II 411 is positioned on the outer side of the rotating plate I410, the bottom of the rotating plate I410 is rotationally connected with the top of the rotating plate II 411 through the rotating shaft, connecting grooves 412 are respectively formed in the two ends of the rotating plate I410, and an electromagnet I413 is fixed in the connecting grooves 412;
the two ends of the second rotating plate 411 are respectively provided with a fixed groove 414, a sliding rod 415 is connected inside the fixed groove 414 in a sliding way, an electromagnet second 416 is fixed at one end of the sliding rod 415, a pressing plate 417 is fixed at the other end of the sliding rod 415, an inductor 418 is fixed on the pressing plate 417, and the pressing plate 417 is arc-shaped;
an auxiliary spring 419 is sleeved on the outer side of the sliding rod 415 in a sliding manner, one end of the auxiliary spring 419 is fixedly connected with the inside of the fixing groove 414, and the other end of the auxiliary spring 419 is fixedly connected with the outer side of one end of the sliding rod 415;
a first fixer 48 is fixed in the connecting groove 412 at the top, and a second fixer 480 connected with the first fixer 48 is fixedly connected to the outer side of one end of the sliding rod 415 at the top;
the bottom of the fixed wheel 46 is provided with a second connecting device 6, the second connecting device 6 is connected with the bottom of the transmission connecting rope 1, the connection of the first fixer 48 and the second fixer 480 controls the second connecting device 6 to open and close, and the principle of the second connecting device 6 is the same as that of an automobile safety airbag;
the second connecting device 6 comprises a vertical rod 60 fixed at the bottom of the fixed wheel 46, a second clamping groove 61 which is clamped with the bottom of the vertical rod 60 is formed in the bottom of the transmission connecting cable 1, a second lantern ring 62 is fixed on the vertical rod 60, and the second lantern ring 62 is in sliding connection with the outer side of the transmission connecting cable 1;
the outer side of the vertical rod 60 is connected with a supporting shell 63 through bolts, and an auxiliary air bag device 64 is arranged in the supporting shell 63;
the auxiliary airbag device 64 includes an igniter 65 fixed inside the support case 63, an inflator 66 is fixed inside the support case 63, an airbag 67 is fixed inside the support case 63, and a fixing port 68 connected with the airbag 67 is provided outside the support case 63;
when the auxiliary connecting rope 4 and the transmission connecting rope 1 are lowered together in use, the pressing plate 417 on the auxiliary connecting rope 4 is extruded, so that the first rotating plate 410 and the second rotating plate 411 can be connected into a vertical state, and when the pressing plate 417 on the top is extruded, the first fixing device 48 is contacted with the second fixing device 480, so that the opening of the igniter 65 is controlled, the inflating agent 66 reacts to generate gas, and the air bag 67 is opened;
therefore, the air bag 67 forms a small air bag at the bottom of the rotary connecting rope, and when the transmission connecting rope 1 and the auxiliary connecting rope 4 descend to a certain position, a worker on the ship can grasp the small air bag 67 and then detach the supporting shell 63;
when the second driving motor 50 is started, the second driving motor 50 drives the transmission rope 45 and the fixed wheel 46 to rise to a certain position and are extruded and fixed by the pressing wheel 58, when the lifting of the helicopter is completed, the transmission rope 45 rises in a state that the second lantern ring 62 is positioned until the second lantern ring is vertically clamped and positioned with the second clamping groove 61;
and the supporting shell 63 can be replaced, can replace new reuse during the use, and can avoid the bottom of the transmission connecting cable 1 to be thrown to the body of the personnel of the naval vessel under the action of wind and waves under the action of the air bag, thereby causing the injury of the personnel.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (4)

1. Transmission based on helicopter helps device that falls, including setting up at the inside transmission connecting cable (1) of helicopter, the helicopter bottom is provided with export (2), its characterized in that: a first telescopic device (3) for driving the transmission connecting rope (1) to stretch is arranged in the helicopter;
an auxiliary connecting rope (4) is arranged on the outer side of the transmission connecting rope (1);
a second telescopic device (5) is arranged in the helicopter, the second telescopic device (5) can drive the auxiliary connecting rope (4) to stretch and retract, and the second telescopic device (5) drives the auxiliary connecting rope (4) to assist in descending of the transmission connecting rope (1);
the auxiliary connecting rope (4) consists of a plurality of rotating wheels (40), a connecting component (41) is arranged between every two rotating wheels (40), and the second telescopic device (5) can drive the connecting component (41) to move;
one end of the rotating wheel (40) is connected with the outer side of the second telescopic device (5), an auxiliary wheel I (42) is arranged on the outer side of the outlet (2), two ends of the auxiliary wheel I (42) are rotationally connected with the bottom of the helicopter, and a plurality of grooves I (43) attached to the rotating wheel (40) are formed in the auxiliary wheel I (42);
the bottom of the rotating wheel (40) is provided with a first connecting device (44), and the first connecting device (44) is connected with the bottom of the transmission connecting cable (1);
the connecting component (41) comprises a first rotating plate (410) and a second rotating plate (411) which are arranged between every two rotating wheels (40), and the top of the first rotating plate (410) and the bottom of the second rotating plate (411) are respectively connected with the centers of the two rotating wheels (40) which are close to each other in a rotating way;
the bottom of the rotating plate II (411) is rotationally connected with the top of the rotating plate I (410), the rotating plate II (411) is positioned at the outer side of the rotating plate I (410), the bottom of the rotating plate I (410) is rotationally connected with the top of the rotating plate II (411) through a rotating shaft, connecting grooves (412) are respectively formed in two ends of the rotating plate I (410), and an electromagnet I (413) is arranged in the connecting grooves (412);
the two ends of the second rotating plate (411) are respectively provided with a fixed groove (414), a sliding rod (415) is arranged in the fixed grooves (414), one end of the sliding rod (415) is provided with a second electromagnet (416), the other end of the sliding rod (415) is provided with a pressing plate (417), and an inductor (418) is arranged on the pressing plate (417);
an auxiliary spring (419) is connected to the outer side of the sliding rod (415), and one end of the auxiliary spring (419) is connected with the inside of the fixing groove (414);
the second telescopic device (5) comprises a second driving motor (50) arranged at the bottom of the helicopter, the output end of the second driving motor (50) is connected with a rotating frame (51), and the outer side of the rotating frame (51) is connected with one end of an auxiliary connecting cable (4);
the novel helicopter is characterized in that the other end of the rotating frame (51) is connected with a first driving gear (52), the bottom of the first driving gear (52) is connected with a worm (53), two ends of the worm (53) are rotationally connected with the bottom of the helicopter, one end of the worm (53) is connected with a second driving gear (54), the outer side of the second driving gear (54) is in meshed connection with a first connecting gear (55), the outer side of the first connecting gear (55) is in meshed connection with a second connecting gear (56), and the centers of the first connecting gear (55) and the second connecting gear (56) are rotationally connected with the bottom of the helicopter;
the center of the first connecting gear (55) and the center of the second connecting gear (56) are respectively connected with a connecting rod (57), one end of each connecting rod (57) is connected with a pressing wheel (58), and the pressing wheels (58) are connected with the outer sides of the pressing plates (417) in a fitting mode.
2. The helicopter landing aid based transmission according to claim 1, wherein: the first telescopic device (3) comprises a first driving motor (30) arranged at the bottom of the helicopter, a rotating plate (31) is arranged at the output end of the first driving motor (30), and the outer side of the rotating plate (31) is connected with one end of a transmission connecting cable (1);
the outer side of the outlet (2) is provided with a positioning pulley (32), the outer side of the transmission connecting rope (1) is in sliding connection with the outer side of the positioning pulley (32), and two ends of the positioning pulley (32) are rotationally connected with the bottom of the helicopter.
3. The helicopter landing aid based transmission according to claim 1, wherein: the first connecting device (44) comprises a fixed clamping rod (440) arranged at the bottom of the bottom rotating wheel (40), a fixed block (441) is arranged at the bottom of the transmission connecting rope (1), a first clamping groove (442) which is clamped with the bottom of the fixed clamping rod (440) is arranged on the fixed block (441), a first lantern ring (443) is arranged on the outer side of the fixed clamping rod (440), and the first lantern ring (443) is in sliding sleeving connection with the outer side of the transmission connecting rope (1).
4. A transmission method of a transmission based on a helicopter landing gear according to claim 1, characterized in that: the method comprises the following steps:
step one: a worker on the helicopter opens the first telescopic device (3) and the second telescopic device (5), and the first telescopic device (3) and the second telescopic device (5) can respectively drive the transmission connecting cable (1) and the auxiliary connecting cable (4) to descend to a certain position;
step two: a worker on the naval vessel pulls the bottom of the transmission connecting rope (1) and the bottom of the auxiliary connecting rope (4), and releases the connection relation of the bottom of the auxiliary connecting rope (4) and the transmission connecting rope (1);
step three: then, a worker on the helicopter opens the second telescopic device (5), the second telescopic device (5) drives the auxiliary connecting cable (4) to ascend, and meanwhile, the worker on the naval vessel connects and fixes the bottom of the transmission connecting cable (1) and the pull-down cable on the naval vessel to realize the landing assistance of the helicopter.
CN202310523555.3A 2023-05-10 2023-05-10 Transmission device and method based on helicopter landing assisting device Active CN116592100B (en)

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CN202310523555.3A CN116592100B (en) 2023-05-10 2023-05-10 Transmission device and method based on helicopter landing assisting device

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Application Number Priority Date Filing Date Title
CN202310523555.3A CN116592100B (en) 2023-05-10 2023-05-10 Transmission device and method based on helicopter landing assisting device

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CN116592100B true CN116592100B (en) 2024-01-09

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52118167A (en) * 1976-03-29 1977-10-04 Keisuke Shimizu Chain system which performs in succession vertical elevation and horizontal movement without changing its posture
CH603393A5 (en) * 1975-11-21 1978-08-15 Alfatech Ag Winch and rope launcher for gliders
US4529152A (en) * 1982-09-13 1985-07-16 Societe Nationale Industrielle Aerospatiale Devices for maneuvering helicopters on a ship's deck
DE68909931D1 (en) * 1989-07-28 1993-11-18 United Technologies Corp Helicopter and guide assembly cables.
CN108082508A (en) * 2017-11-29 2018-05-29 中国直升机设计研究所 A kind of electronic landing aid device of unmanned helicopter
CN217100507U (en) * 2022-03-24 2022-08-02 丰翼科技(深圳)有限公司 Unmanned aerial vehicle carrier-borne auxiliary recovery device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH603393A5 (en) * 1975-11-21 1978-08-15 Alfatech Ag Winch and rope launcher for gliders
JPS52118167A (en) * 1976-03-29 1977-10-04 Keisuke Shimizu Chain system which performs in succession vertical elevation and horizontal movement without changing its posture
US4529152A (en) * 1982-09-13 1985-07-16 Societe Nationale Industrielle Aerospatiale Devices for maneuvering helicopters on a ship's deck
DE68909931D1 (en) * 1989-07-28 1993-11-18 United Technologies Corp Helicopter and guide assembly cables.
CN108082508A (en) * 2017-11-29 2018-05-29 中国直升机设计研究所 A kind of electronic landing aid device of unmanned helicopter
CN217100507U (en) * 2022-03-24 2022-08-02 丰翼科技(深圳)有限公司 Unmanned aerial vehicle carrier-borne auxiliary recovery device

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