CN105501452A - Cargo hook device for helicopter as well as usage method and control method of cargo hook device - Google Patents
Cargo hook device for helicopter as well as usage method and control method of cargo hook device Download PDFInfo
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- CN105501452A CN105501452A CN201510929154.3A CN201510929154A CN105501452A CN 105501452 A CN105501452 A CN 105501452A CN 201510929154 A CN201510929154 A CN 201510929154A CN 105501452 A CN105501452 A CN 105501452A
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- 238000000034 method Methods 0.000 title claims abstract description 17
- 230000007246 mechanism Effects 0.000 claims abstract description 41
- 238000012544 monitoring process Methods 0.000 claims abstract description 9
- 238000005303 weighing Methods 0.000 claims abstract description 7
- 239000000725 suspension Substances 0.000 claims description 23
- 230000000694 effects Effects 0.000 claims description 14
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- 239000000203 mixture Substances 0.000 claims description 2
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- 230000005540 biological transmission Effects 0.000 description 2
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- 230000000052 comparative effect Effects 0.000 description 1
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- 238000007906 compression Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
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Classifications
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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
- B64D47/00—Equipment not otherwise provided for
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Abstract
The invention discloses a cargo hook device for a helicopter as well as a usage method and a control method of the cargo hook device. The device comprises a hanging monitoring box, a hanging releasing device and a sling, wherein the hanging monitoring box controls the hanging releasing device to hang, monitor and release cargos; the sling is connected with the hanging releasing device and used for directly hanging the cargos; the hanging releasing device comprises a hanging releasing mechanism, a normal electromagnetic releasing controller for controlling normal releasing of the hanging releasing mechanism and a cartridge emergency releasing controller for controlling emergency releasing of the hanging releasing mechanism, and the hanging releasing mechanism comprises a hook for hanging the sling or the cargos. Meanwhile, the device has functions of hanging, monitoring, releasing and weighing the cargos and is small in size, light in weight, convenient to monitor, test and operate, high in reliability and safety, good in environmental adaptability and high in anti-electromagnetic interference capability.
Description
[technical field]
The invention belongs to helicopter and hang transport field outward, be specially a kind of helicopter goods hooking device and method thereof and control method.
[background technology]
Outer hangar system abroad early there is application and development in market, and as far back as eighties of last century sixties Mo, early seventies, along with application, the development of the medium and heavy helicopter of Vietnam War, helicopter hanger transports in war is planned strategies for, plays more and more important effect.The research of domestic hanging flight originates in the eighties in last century, is also in the initial stage at present, does not have the product of comparative maturity in the research and development application of this series products.
Along with the utilization of helicopter hanger transport tactics in war, and the continuous developing of helicopter hanger transport field in every civilian economy construction project, it have stowage without the need to considering helicopter itself and with mating, not by the advantage such as traffic and geographical conditions restriction between goods profile, people are more and more recognized: helicopter is with its manoevreability flexibly, hanging transport bulkload, plays a part more and more important in every field.
Airborne goods transport positive function variation, specialize, the future development of flexibility, no matter current a kind of helicopter goods hooking device is in tactics, or all seem very urgent in civilian economy construction, the Application and Development of this series products can promote the development of domestic helicopter hanger transport field.
[summary of the invention]
The object of this invention is to provide a kind of helicopter goods hooking device and method thereof and control method, this device has Under-Slung Loads, monitoring goods, release goods simultaneously and weighs the function of cargo weight, volume is little, lightweight, monitoring, test, control comfort, reliability, safety are high, good environmental adaptability, anti-electromagnetic interference capability is strong.
For achieving the above object, the present invention adopts following technological means:
A kind of helicopter goods hooking device, comprises hanging monitor cartridge, hanging release gear and hoist cable; Hanging monitor cartridge controls hanging release gear and realizes Under-Slung Loads, monitoring goods and release goods, and hoist cable is connected with hanging release gear and is used for direct Suspended Cargo; Described hanging release gear comprises hanging releasing mechanism, control the hanging normal electromagnetism release control device that normally discharges of releasing mechanism and control the meet an urgent need cartridge of release of hanging releasing mechanism meets an urgent need release control device, and hanging releasing mechanism comprises the hook for hanging hoist cable or goods.
As a further improvement on the present invention, described hanging releasing mechanism also comprises the autobiography bar, boatswain chair and the rocking bar that are all hinged on housing; Described hook is hinged on housing by the first axle, and hook one end is crook and this crook stretches out outside for Suspended Cargo, and the other end is hook plectrum; Described autobiography bar one end is catch, and the other end is autobiography bar plectrum, and the deep-slotted chip breaker on catch contacts with hook plectrum, and autobiography bar and hook mutually drive under external force and rotate around its corresponding axle; Described autobiography bar plectrum and the roller contact of boatswain chair side, autobiography bar and boatswain chair mutually drive under external force and rotate around its corresponding axle; Described boatswain chair is provided with near autobiography bar side the pin preventing boatswain chair from rotating counterclockwise; Described rocking bar one end and boatswain chair opposite side hinged, boatswain chair and rocking bar mutually drive under external force and rotate around its corresponding axle; Normal electromagnetism release control device and cartridge meet an urgent need release control device all control rocking bar rotate.
As a further improvement on the present invention, described boatswain chair is equilateral triangle structure, and its drift angle is hinged on housing by the 3rd axle, and a base angle arranges roller, another base angle and rocking bar hinged.
As a further improvement on the present invention, described hook is crescent structure, links up with and is hinged on housing by the first axle, and the crook linked up with during Suspended Cargo produces conter clockwise torque.
As a further improvement on the present invention, described autobiography bar is hinged on housing by the second axle, catch is also provided with and prevents from linking up with the convex body that plectrum skids off deep-slotted chip breaker; The hook formation that the autobiography bar plectrum of autobiography bar is formed by the arcuate structure that two vary in size, roller is arranged in hook formation.
As a further improvement on the present invention, described hanging releasing mechanism is also provided with and links up with the safety catch coordinated; Described hanging releasing mechanism is also provided with hand gear trigger bar.
As a further improvement on the present invention, described hanging release gear also comprises the LOAD CELLS for weighing cargo weight, the elastic body of LOAD CELLS and the rear carrier bar of hook are integral type structure, be pasted on multiple strain gage sensitive grid composition Wheatstone bridges of elastic body different parts, Wheatstone bridge exports a voltage signal linear with cargo weight, amplify through weighing-up wave conditioner one-level and after second-order low-pass filter, export volt magnitude voltage signals, exporting hanging weight.
As a further improvement on the present invention, described hoist cable comprises for being hanging to suspension ring on hook, connecting the lifting rope of suspension ring and suspension hook and for direct Suspended Cargo suspension hook, described suspension hook being also provided with the spring buckle that goods can be allowed to enter suspension hook, can prevent goods from skidding off again.
As a further improvement on the present invention, described hanging monitor cartridge is provided with indicator lamp region, cartridge emergent release test section and release-push region; Release-push region comprises the emergent release of cartridge and normal electromagnetism release-push.
A using method for helicopter goods hooking device, comprises the following steps:
When after the upper Under-Slung Loads of hook, under goods Action of Gravity Field, produce conter clockwise torque, link up with by the first transmission of torque to self-lock rod, produce cw second torque, self-lock rod again by the second transmission of torque to boatswain chair, produce conter clockwise the 3rd torque, pin just produces cw the 4th torque to boatswain chair, and the 4th torque is equal with the 3rd level of torque, direction is contrary, and boatswain chair is in state of equilibrium; Meanwhile, boatswain chair transmits conter clockwise the 5th torque to self-lock rod, the 5th torque and the second torque b equal and opposite in direction, and direction is contrary, and self-lock rod is in state of equilibrium; Self-lock rod transmits cw the 6th torque to hook, and the 6th torque is equal with the first level of torque, and direction is contrary, and hook is in state of equilibrium;
When needs release institute's Under-Slung Loads, releasing mechanism drive rocker, produce the 7th torque, 7th torque is under mechanism's effect, pass to boatswain chair, produce cw the 8th torque, boatswain chair just under the effect of the 8th torque, can rotate clockwise around the 3rd axle, after roller rolls out self-lock rod, 5th torque disappears, and self-lock rod, just under the effect of the second torque, rotates clockwise around the second axle, 6th torque is also disappeared, hook, just under the effect of the first torque, rotates counterclockwise around the first axle, release Under-Slung Loads.
A control method for helicopter goods hooking device, comprises ground manual releasing, normal electromagnetic releasing and emergent release totally three kinds of delivery modes; Wherein,
The concrete steps of normal electromagnetic releasing are: press normal electromagnetism release-push, normal electromagnetism release control device drive rocker is rotated, opening of hook indicator cock is connected, opening of hook indicator lamp is bright, normal electromagnetic releasing power cut-out switch is connected, and boatswain chair assembly rotates, and drives self-lock rod to rotate, opening of hook, goods discharges; Hook resets, and self-lock rod resets, and boatswain chair assembly resets, and rocking bar resets, and opening of hook indicator lamp goes out;
Emergent release comprises the emergent release of cartridge and manual-operated emergent release; Cartridge emergent release concrete steps are: press cartridge and to meet an urgent need release-push, and press cartridge and to meet an urgent need the work of release control device, drive rocker is rotated, opening of hook indicator cock is connected, and opening of hook indicator lamp is bright, and boatswain chair assembly rotates, drive self-lock rod rotates, opening of hook, and goods discharges; Change cartridge to meet an urgent need release control device, hook resets, and self-lock rod resets, and boatswain chair assembly resets, and rocking bar resets, and opening of hook indicator lamp goes out;
Manual-operated emergent release steps is: the safety catch opening goods hook, moves manual lever, and rocking bar rotates, and opening of hook indicator cock is connected, and opening of hook indicator lamp is bright, and boatswain chair assembly rotates, and self-lock rod rotates, opening of hook, and goods discharges; Change cartridge to meet an urgent need release control device, hook resets, and self-lock rod resets, and boatswain chair assembly resets, and rocking bar resets, and opening of hook indicator lamp goes out;
Ground manual releasing step is specially: move manual lever, and rocker assembly rotates, and self-lock rod rotates, opening of hook, and goods discharges; Hook resets, and self-lock rod resets, and boatswain chair assembly resets, and rocking bar resets, and opening of hook indicator lamp goes out.
Compared with prior art, the present invention has following useful technique effect:
Goods hooking device of the present invention forms by hanging monitor cartridge, goods hook and hoist cable.Goods hook comprises hanging releasing mechanism, normally electromagnetism release control device, cartridge meets an urgent need release control device, LOAD CELLS, weighing-up wave conditioner.Integrated level is high, powerful, and volume is little, lightweight, and monitoring, test, control comfort, reliability, safety are high, and good environmental adaptability, anti-electromagnetic interference capability is strong.
Further, safety catch is as locking mechanism in hanging releasing mechanism, and reliably can maintain goods, goods there will not be unexpected release conditions in transportation.
Further, hand gear trigger bar is utilized to open locking mechanism, release Under-Slung Loads.Normal electromagnetism release control device and cartridge release control device of meeting an urgent need is utilized to open locking mechanism, release Under-Slung Loads.A kind of mechanical delivery mode and two kinds of quick release manner, ensure reliably effectively to discharge Under-Slung Loads.
Further, utilize hanging monitor cartridge to merge multi-way control signals, monitor, control, test goods hook.
Further, LOAD CELLS and weighing-up wave conditioner is utilized can to weigh the weight of goods, output weight signal.
Further, hoist cable convenient operation personnel are utilized to hang unloaded of cargo, when preventing that in flight course, goods waves and helicopter crash.
Using method of the present invention, simple to operate, easy to use, by torque and lever principle, ensure that balance during Suspended Cargo, and release goods is accurate.
Control method of the present invention, comprise ground manual releasing, normally electromagnetic releasing and emergent release totally three kinds of delivery modes, solve daily automatic release by electromagnetic control, adopt cartridge to meet an urgent need and discharge the release of solution emergency situation, adopt the operation of ground hand lever, Artificial Release goods putting thing.Precise control, rapidly, actv. solves the generation of various unforeseen circumstances in response.
[accompanying drawing explanation]
fig. 1for hanging the signal of release gear
figure;
fig. 2for hanging the inner structure of release gear
figure;
fig. 3for hanging releasing mechanism principle
figure;
in figuredotted line position is release Hou Ge mechanism present position;
fig. 4for LOAD CELLS signal of the present invention
figure;
fig. 5for hoist cable signal of the present invention
figure;
fig. 6for the present invention hangs monitor cartridge signal
figure;
fig. 7for LOAD CELLS principle of the present invention
figure;
fig. 8for weighing system principle of work frame of the present invention
figure;
fig. 9for the present invention discharges principle of work frame
figure.
Wherein, 1 is hook, and 2 is hanging releasing mechanism, and 3 is LOAD CELLS, 4 is weighing-up wave conditioner, and 5 to meet an urgent need release control device for cartridge, and 6 is normal release control device, 7 is safety catch, and 8 is hoist cable, and 9 is hanging monitor cartridge, 1-1 is the first axle, and 1-2 is the second axle, and 1-3 is autobiography bar, 1-4 roller, 1-5 is pinning, and 1-6 is the 3rd axle, 1-7 is boatswain chair, and 1-8 is rocking bar, and 1-9 is the 4th axle; 1-10 is crook; 1-11 is hook plectrum; 1-12 is catch; 1-13 is convex body; 1-14 is autobiography bar plectrum; 3-1 is LOAD CELLS body; 3-2 is for claiming conduit; 8-1 is suspension ring, and 8-2 is lifting rope, and 8-3 is suspension hook; 9-1 is indicator lamp region; 9-2 is cartridge emergent release test section; 9-3 is release-push; A, b, c, d, e, f, g, h are respectively torque.
[detailed description of the invention]
Below in conjunction with
accompanying drawingthe present invention will be further described with specific embodiment, the invention is not restricted to following examples.
A kind of helicopter goods hooking device forms by hanging monitor cartridge 9, hanging release gear and hoist cable 8.
as Fig. 2shown hanging release gear comprises hanging releasing mechanism 2, normally electromagnetism release control device 6, cartridge meets an urgent need release control device 5, LOAD CELLS 3, weighing-up wave conditioner 4 and hook 1.The present invention can realize Under-Slung Loads, monitoring goods, release goods and weigh cargo weight.
as Fig. 1shown in, hanging releasing mechanism 2 is designed with hook 1 and safety catch 7, and normal circumstances lower draw-bar 1 is in locking state, only the suspension ring 8-1 of hoist cable 8 need be hung on hook 1, and under the protection of safety catch 7, can ensure that hoist cable 8 can not deviate from hook 1;
as Fig. 3shown in, hanging releasing mechanism 2 comprises the hook 1 be all hinged on housing, autobiography bar 1-3, boatswain chair 1-7 and rocking bar 1-8; Described hook 1 is hinged on housing by the first axle 1-1, links up with 1 one end and is crook 1-10 and this crook stretches out outside for Suspended Cargo, and the other end is hook plectrum 1-11; Hook 1 is crescent structure, and hook 1 is hinged on housing by the first axle 1-1, and the crook linking up with 1 during Suspended Cargo produces conter clockwise torque.Autobiography bar 1-3 one end is catch 1-12, and the other end is autobiography bar plectrum 1-14, and the deep-slotted chip breaker on catch 1-12 contacts with hook plectrum 1-11, and autobiography bar 1-3 and hook 1 mutually drive under external force and rotate around its corresponding axle; Autobiography bar 1-3 is hinged on housing by the second axle 1-2, catch 1-12 is also provided with and prevents from linking up with the convex body 1-13 that plectrum 1-11 skids off deep-slotted chip breaker; The hook formation that the autobiography bar plectrum 1-14 of autobiography bar 1-3 is formed by the arcuate structure that two vary in size, roller 1-4 is arranged in hook formation.Autobiography bar plectrum 1-14 contacts with the roller 1-4 of boatswain chair 1-7 side, and boatswain chair 1-7 is equilateral triangle structure, and its drift angle is hinged on housing by the 3rd axle 1-6, and a base angle arranges roller 1-4, another base angle and rocking bar 1-8 hinged.Autobiography bar 1-3 and boatswain chair 1-7 mutually drive under external force and rotate around its corresponding axle; Rocking bar 1-8 one end and boatswain chair 1-7 opposite side hinged, boatswain chair 1-7 and rocking bar 1-8 mutually drive under external force and rotate around its corresponding axle; Normal electromagnetism release control device 6 and cartridge release control device 5 of meeting an urgent need all controls rocking bar 1-8 and rotates.
Hanging releasing mechanism 2 is also provided with and links up with 1 safety catch coordinated 7; Described hanging releasing mechanism 2 is also provided with hand gear trigger bar.
The principle of work of hanging releasing mechanism 2: when after Under-Slung Loads on hook 1, under goods Action of Gravity Field, produces conter clockwise torque a, torque a is passed to self-lock rod 1-3 by hook 1, produce clockwise torque b, torque b is passed to boatswain chair 1-7 by self-lock rod 1-3 again, produces conter clockwise torque c, now, pin 1-5 just produces clockwise torque d to boatswain chair 1-7, when ensureing structural strength, and torque d and torque c equal and opposite in direction, direction is contrary, and boatswain chair 1-7 is in state of equilibrium; Meanwhile, boatswain chair 1-7 transmits conter clockwise torque e to self-lock rod 1-3, torque e and torque b equal and opposite in direction, and direction is contrary, and self-lock rod 1-3 is in state of equilibrium; Equally, self-lock rod 1-7 transmits clockwise torque f to hook 1, torque f and torque a equal and opposite in direction, and direction is contrary, and hook 1 is in state of equilibrium.So, hanging releasing mechanism is in balance locking state, and reliably can maintain goods, goods there will not be unexpected release conditions in transportation.
When needs release institute's Under-Slung Loads, drive rocker 1-8, produce torque g, torque g is under mechanism's effect, pass to boatswain chair 1-7, produce clockwise torque h, boatswain chair just can under the effect of torque h, rotate clockwise around the 3rd axle 1-6, after roller 1-4 rolls out self-lock rod 1-3, torque e disappears, and self-lock rod 1-3 is just under the effect of torque b, rotate clockwise around the second axle 1-2, torque f is also disappeared, and hook 1, just under the effect of torque a, rotates counterclockwise around the first axle 1-1, now, ensure reliably effectively to discharge Under-Slung Loads.
Further, the present invention when not changing goods hook original structure and not newly increasing parts, can realize the weighing to Under-Slung Loads weight.
Concrete,
as Fig. 4shown in, the elastic body of LOAD CELLS body 3-1 is the rear carrier bar of goods hook 1, namely links up with 1 unitary design with goods, and when goods hook Under-Slung Loads, just can realize weighing, structure is tightly urged, safe and reliable;
Its principle of work
as Fig. 7with
fig. 8shown in, on the hook 1 of goods hook after Under-Slung Loads, the weight transmitting of goods is to rear carrier bar, i.e. LOAD CELLS 3, the elastic body of LOAD CELLS 3 is caused to produce tension and compression strain, form Wheatstone bridge by four the strain gage sensitive grids being pasted on elastic body different parts, Wheatstone bridge exports a voltage signal linear with cargo weight, so just can realize the measurement to Under-Slung Loads weight.
as Fig. 5shown in, hoist cable 8 comprises suspension ring 8-1, lifting rope 8-2 and suspension hook 8-3, and suspension ring 8-1 is used for being hanging to hook 1, and suspension hook 8-3 is used for Suspended Cargo.Suspension hook 8-3 is also provided with the spring buckle that goods can be allowed to enter suspension hook, can prevent goods from skidding off again.
as Fig. 6shown in, be hanging monitor cartridge 9 panel of the present invention, panel be provided with indicator lamp region 9-1, cartridge emergent release test section 9-2 and release-push region 9-3.Indicator lamp region 9-1 comprises power supply instruction and opening of hook instruction.Cartridge emergent release test section 9-2 comprises test instruction, short circuit, short circuit, normal switch.Release-push region 9-3 comprises the emergent release of cartridge and normal electromagnetism release-push.
as Fig. 9shown in, be release principle of work frame of the present invention
figure, comprise ground manual releasing, normal electromagnetic releasing and emergent release totally three kinds of delivery modes; Wherein,
Normal electromagnetic releasing comprises self-checking and normal work two kinds, concrete steps are: press normal electromagnetism release-push, normal electromagnetism release control device 6 is ordered to work, rocking bar 1-8 rotates, opening of hook indicator cock is connected, opening of hook indicator lamp is bright, and normal electromagnetic releasing power cut-out switch is connected, and boatswain chair 1-7 assembly rotates, self-lock rod 1-3 rotates, hook 1 is opened, and goods discharges, and hook 1 resets, self-lock rod 1-3 resets, boatswain chair 1-7 assembly resets, and rocking bar 1-8 resets, and opening of hook indicator lamp goes out.
Emergent release comprises the emergent release of cartridge and manual-operated emergent release; Cartridge release of meeting an urgent need comprises self-checking and normal work two kinds, and the meet an urgent need self-checking of release of cartridge comprises short circuit and open circuit two kinds, and concrete steps are: press cartridge and to meet an urgent need release-push, test lamp is bright; The meet an urgent need normal operation Step of release of cartridge to be met an urgent need release-push for pressing cartridge, and press cartridge release control device 5 of meeting an urgent need and work, rocking bar 1-8 rotates, opening of hook indicator cock is connected, and opening of hook indicator lamp is bright, and boatswain chair 1-7 assembly rotates, self-lock rod 1-3 rotates, and hook 1 is opened, and goods discharges, change cartridge to meet an urgent need release control device, hook 1 resets, and self-lock rod 1-3 resets, and boatswain chair 1-7 assembly resets, rocking bar 1-8 resets, and opening of hook indicator lamp goes out.
Manual-operated emergent release steps is: open goods hook cover plate, move manual lever, rocking bar 1-8 rotates, opening of hook indicator cock is connected, and opening of hook indicator lamp is bright, and boatswain chair 1-7 assembly rotates, self-lock rod 1-3 rotates, and hook 1 is opened, and goods discharges, change cartridge to meet an urgent need release control device, hook 1 resets, and self-lock rod 1-3 resets, and boatswain chair 1-7 assembly resets, rocking bar 1-8 resets, and opening of hook indicator lamp goes out.
Ground manual releasing, comprises self test and normal work, moves manual lever, rocking bar 1-8 rotates, and opening of hook indicator cock is connected, and opening of hook indicator lamp is bright, boatswain chair 1-7 assembly rotates, and self-lock rod 1-3 rotates, and hook 1 is opened, goods discharges, hook 1 resets, and self-lock rod 1-3 resets, and boatswain chair 1-7 assembly resets, rocking bar 1-8 resets, and opening of hook indicator lamp goes out.
Substep is described principle of work of the present invention below:
1, Under-Slung Loads
When self-lock rod 7 in hanging releasing mechanism is in locking state, hook 1 is also locked.Be hooked on goods with the suspension hook 8-3 in hoist cable 8, on the hook 1 suspension ring 8-1 in hoist cable 8 being suspended on hanging releasing mechanism, just realize reliable Under-Slung Loads.
2, goods is monitored
Hanging monitor cartridge 9 can monitor the locking states of hook 1 moment, and shows on panel, locking states signal is sent to helicopter simultaneously, realizes the supervision to goods.
When needs manipulation release, press meet an urgent need release-push or hanging monitor cartridge of normal electromagnetism release-push in hanging monitor cartridge 9 or cartridge and receive helicopter when sending signal, hanging monitor cartridge 9 sends corresponding release signal, and receive hook locking signal and the rotary magnet ct-off signal of goods hook feedback, power-off after 0.5s, prevent that rotary magnet is overheated to be burnt out, realize the control to goods.
3, goods is discharged
For ensureing reliably effectively to discharge Under-Slung Loads, the present invention has armstrong's patent release, normal electromagnetic releasing and the emergent release of cartridge totally three kinds of delivery modes, and for preventing release to lose efficacy, the present invention also has test macro, concrete release work and test
as Fig. 8shown in.
4, cargo weight is weighed
After Under-Slung Loads, the hook of hanging releasing mechanism is stressed, just power is reached the LOAD CELLS 3 of integrated design, utilize Hook's law and Wheatstone bridge test philosophy, the strain gage resistance variations be pasted on LOAD CELLS 3 elastomer is converted into a millivolt magnitude voltage signals, amplify through weighing-up wave conditioner 4 one-level and after second-order low-pass filter, export volt magnitude voltage signals, realizing the weighing to hanging weight.
Claims (10)
1. a helicopter goods hooking device, is characterized in that, comprises hanging monitor cartridge (9), hanging release gear and hoist cable (8); Hanging monitor cartridge (9) controls hanging release gear and realizes Under-Slung Loads, monitoring goods and release goods, and hoist cable (8) is connected with hanging release gear and is used for direct Suspended Cargo; Described hanging release gear comprises hanging releasing mechanism (2), control hanging releasing mechanism (2) normally the normal electromagnetism release control device (6) of release and the cartridge that controls the emergent release of hanging releasing mechanism (2) to meet an urgent need release control device (5), hang releasing mechanism (2) and comprise hook (1) for hanging hoist cable (8) or goods.
2. a kind of helicopter goods hooking device according to claim 1, it is characterized in that, described hanging releasing mechanism (2) also comprises the autobiography bar (1-3) be all hinged on housing, boatswain chair (1-7) and rocking bar (1-8); Described hook (1) is by being hinged on housing, and hook (1) one end is crook (1-10) and this crook stretches out outside for Suspended Cargo, and the other end is hook plectrum (1-11); Described autobiography bar (1-3) one end is catch (1-12), the other end is autobiography bar plectrum (1-14), deep-slotted chip breaker on catch (1-12) contacts with hook plectrum (1-11), and autobiography bar (1-3) and hook (1) mutually drive under external force and rotate around its corresponding axle; Described autobiography bar plectrum (1-14) contacts with the roller (1-4) of boatswain chair (1-7) side, and autobiography bar (1-3) and boatswain chair (1-7) mutually drive under external force and rotate around its corresponding axle; Described boatswain chair (1-7) is provided with near autobiography bar (1-3) side the pin (1-5) preventing boatswain chair (1-7) from rotating counterclockwise; Described rocking bar (1-8) one end and boatswain chair (1-7) opposite side hinged, boatswain chair (1-7) and rocking bar (1-8) mutually drive under external force and rotate around its corresponding axle; Normal electromagnetism release control device (6) and cartridge meet an urgent need release control device (5) all control rocking bar (1-8) rotate.
3. a kind of helicopter goods hooking device according to claim 2, it is characterized in that, described boatswain chair (1-7) is equilateral triangle structure, its drift angle is hinged on housing by the 3rd axle (1-6), a base angle is arranged roller (1-4), another base angle and rocking bar (1-8) hinged.
4. a kind of helicopter goods hooking device according to claim 2, it is characterized in that, described hook (1) is crescent structure, hook (1) is hinged on housing by the first axle (1-1), and the crook linking up with (1) during Suspended Cargo produces conter clockwise torque.
5. a kind of helicopter goods hooking device according to claim 2, it is characterized in that, described autobiography bar (1-3) is hinged on housing by the second axle (1-2), catch (1-12) is also provided with and prevents from linking up with the convex body (1-13) that plectrum (1-11) skids off deep-slotted chip breaker; The hook formation that the autobiography bar plectrum (1-14) of autobiography bar (1-3) is formed by the arcuate structure that two vary in size, roller (1-4) is arranged in hook formation.
6. a kind of helicopter goods hooking device according to claim 2, is characterized in that, described hanging releasing mechanism (2) is also provided with and the safety catch (7) linked up with (1) and coordinate; Described hanging releasing mechanism (2) is also provided with hand gear trigger bar.
7. a kind of helicopter goods hooking device according to claim 1, it is characterized in that, described hanging release gear also comprises the LOAD CELLS (3) for weighing cargo weight, the elastic body of LOAD CELLS (3) and the rear carrier bar of hook (1) are integral type structure, be pasted on multiple strain gage sensitive grid composition Wheatstone bridges of elastic body different parts, Wheatstone bridge exports a voltage signal linear with cargo weight, amplify through weighing-up wave conditioner (4) one-level and after second-order low-pass filter, export volt magnitude voltage signals, export hanging weight.
8. a kind of helicopter goods hooking device according to claim 1, it is characterized in that, described hoist cable (8) comprises for being hanging to suspension ring (8-1) on hook (1), connecting suspension ring (8-1) with the lifting rope (8-2) of suspension hook (8-3) with for direct Suspended Cargo suspension hook (8-3), and described suspension hook (8-3) is also provided with the spring buckle that goods can be allowed to enter suspension hook, can prevent goods from skidding off again.
9. a helicopter using method for goods hooking device, is characterized in that, comprise the following steps:
When after the upper Under-Slung Loads of hook (1), under goods Action of Gravity Field, produce conter clockwise torque, first torque (a) is passed to self-lock rod (1-3) by hook (1), produce cw second torque (b), second torque (b) is passed to boatswain chair (1-7) by self-lock rod (1-3) again, produce conter clockwise the 3rd torque (c), pin (1-5) just produces cw the 4th torque (d) to boatswain chair (1-7), 4th torque (d) and the 3rd torque (c) equal and opposite in direction, direction is contrary, boatswain chair (1-7) is in state of equilibrium, meanwhile, boatswain chair (1-7) transmits conter clockwise the 5th torque (e) to self-lock rod (1-3), the 5th torque (e) and the second torque b equal and opposite in direction, and direction is contrary, and self-lock rod (1-3) is in state of equilibrium, self-lock rod (1-7) transmits cw the 6th torque (f) to hook (1), the 6th torque (f) and the first torque (a) equal and opposite in direction, and direction is contrary, and hook (1) is in state of equilibrium,
When needs release institute's Under-Slung Loads, releasing mechanism drive rocker (1-8), produce the 7th torque (g), 7th torque (g) is under mechanism's effect, pass to boatswain chair (1-7), produce cw the 8th torque (h), boatswain chair just can under the effect of the 8th torque (h), rotate clockwise around the 3rd axle (1-6), after roller (1-4) rolls out self-lock rod (1-3), 5th torque (e) disappears, self-lock rod (1-3) is just under the effect of the second torque (b), rotate clockwise around the second axle (1-2), 6th torque (f) is also disappeared, hook (1) is just under the effect of the first torque (a), rotate counterclockwise around the first axle (1-1), release Under-Slung Loads.
10. a helicopter control method for goods hooking device, is characterized in that, comprises ground manual releasing, normal electromagnetic releasing and emergent release totally three kinds of delivery modes; Wherein,
The concrete steps of normal electromagnetic releasing are: press normal electromagnetism release-push, normal electromagnetism release control device (6) drive rocker (1-8) is rotated, opening of hook indicator cock is connected, opening of hook indicator lamp is bright, normal electromagnetic releasing power cut-out switch is connected, and boatswain chair (1-7) assembly rotates, and drives self-lock rod (1-3) to rotate, hook (1) is opened, and goods discharges; Hook (1) resets, and self-lock rod (1-3) resets, and boatswain chair (1-7) assembly resets, and rocking bar (1-8) resets, and opening of hook indicator lamp goes out;
Emergent release comprises the emergent release of cartridge and manual-operated emergent release; Cartridge emergent release concrete steps are: press cartridge and to meet an urgent need release-push, press cartridge meet an urgent need release control device (5) work, drive rocker (1-8) is rotated, opening of hook indicator cock is connected, opening of hook indicator lamp is bright, and boatswain chair (1-7) assembly rotates, and drives self-lock rod (1-3) to rotate, hook (1) is opened, and goods discharges; Change cartridge to meet an urgent need release control device, hook (1) resets, and self-lock rod (1-3) resets, and boatswain chair (1-7) assembly resets, and rocking bar (1-8) resets, and opening of hook indicator lamp goes out;
Manual-operated emergent release steps is: the safety catch (7) opening goods hook, move manual lever, rocking bar (1-8) rotates, opening of hook indicator cock is connected, opening of hook indicator lamp is bright, and boatswain chair (1-7) assembly rotates, and self-lock rod (1-3) rotates, hook (1) is opened, and goods discharges; Change cartridge to meet an urgent need release control device, hook (1) resets, and self-lock rod (1-3) resets, and boatswain chair (1-7) assembly resets, and rocking bar (1-8) resets, and opening of hook indicator lamp goes out;
Ground manual releasing step is specially: move manual lever, and (1-8 rotates rocking bar, and opening of hook indicator cock is connected, opening of hook indicator lamp is bright, and boatswain chair (1-7) assembly rotates, and self-lock rod (1-3) rotates, hook (1) is opened, and goods discharges; Hook 1 resets, and self-lock rod (1-3) resets, and boatswain chair (1-7) assembly resets, and rocking bar (1-8) resets, and opening of hook indicator lamp goes out.
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| CN114506454A (en) * | 2021-12-10 | 2022-05-17 | 武汉航空仪表有限责任公司 | Loading and unloading system and method for airborne suspended object |
| CN114313267A (en) * | 2021-12-15 | 2022-04-12 | 哈尔滨哈飞航空工业有限责任公司 | Mechanical control box with double-spring action mechanism |
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