CN114524098B - Helicopter hanging delivery device and method - Google Patents
Helicopter hanging delivery device and method Download PDFInfo
- Publication number
- CN114524098B CN114524098B CN202210181813.XA CN202210181813A CN114524098B CN 114524098 B CN114524098 B CN 114524098B CN 202210181813 A CN202210181813 A CN 202210181813A CN 114524098 B CN114524098 B CN 114524098B
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- hook
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- shaft
- lock catch
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- 238000000034 method Methods 0.000 title claims abstract description 22
- 230000005484 gravity Effects 0.000 claims abstract description 7
- 230000002035 prolonged effect Effects 0.000 claims abstract description 5
- 230000009471 action Effects 0.000 claims description 8
- 238000005096 rolling process Methods 0.000 claims description 4
- 230000008569 process Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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
- B64D1/00—Dropping, ejecting, releasing or receiving articles, liquids, or the like, in flight
- B64D1/02—Dropping, ejecting, or releasing articles
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- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Hooks, Suction Cups, And Attachment By Adhesive Means (AREA)
Abstract
The invention discloses a hanging and throwing device and a hanging and throwing method for a helicopter, which belong to the field of hanging, throwing and transporting of helicopters, and effectively reduce driving moment when goods are thrown and size and weight of a goods hook under the condition that reliable goods throwing is ensured by mutual coordination of a lock catch, a cam, the hook and a limiting block. In a locking state, the reset spring enables the cam to have a tendency of rotating anticlockwise around the cam shaft, the cam is limited to move through the limiting block, the gravity of goods enables the hook to push the large roller to drive the lock catch to have a tendency of rotating anticlockwise, the lock catch is supported at the top end of the cam, when goods are put in, the cam rotates clockwise, the gravity of the goods drives the hook to rotate clockwise, the lock catch rotates against a needle, the hook is separated from the large roller, the goods slide off from the hook, at the moment, the distance between a hanging point of the goods and the rotating center of the hook is gradually prolonged, the moment is increased, the goods can be ensured to be smoothly put off, and the purposes of small size and light weight of the device are achieved under the condition that the maximum hanging load is the same.
Description
Technical Field
The invention belongs to the field of hanging, throwing and transporting of helicopters, and particularly relates to a hanging, throwing device and a hanging, throwing and transporting method of helicopters.
Background
The cargo hook structure of the helicopter at present can be basically summarized into two modes of a hook shaft above a hook opening and a hook opening side according to the position relation between a hook rotating shaft and the hook of a hanging cargo hook, in order to ensure that the cargo is in serial motion in the hanging flight process, one end of the hook is tilted in a hanging cargo state, the hanging point of the cargo is always at the lowest point of the hook, the hook shaft is arranged on the cargo hook above the hook opening, and the hook shaft is arranged at the upper end of the hook opening. The advantage of the hook shaft on the side of the hook opening is that the cargo hook can be put out no matter how the cargo rotates, but the moment generated by the cargo relative to the rotating shaft is larger, the required putting moment is larger during putting, and finally the volume of the cargo hook is increased, and the weight is larger.
In practical use, a small and lightweight cargo hook device with the same maximum hanging load is highly desirable.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a hanging and throwing device and a hanging and throwing method for a helicopter, which are used for solving the problems that in the prior art, throwing moment is small, goods cannot be separated from a hanger, or throwing moment is large, the size of the goods hanger is increased, and the weight is large, and achieving the purposes of small size and light weight under the condition of the same maximum hanging load.
In order to achieve the above purpose, the invention is realized by adopting the following technical scheme:
The invention discloses a hanging and throwing device of a helicopter, which comprises a shell, a lock catch, a reset spring needle bearing, a pin shaft, a cam, a large roller, a hook and a limiting block, wherein the lock catch is arranged on the shell;
The hasp articulates on the shell, and the both ends of hasp set up bearing and big gyro wheel respectively, and the round pin axle is embedded in bearing and articulates the cam contact on the shell, and cam upper end is connected to reset spring one end, and the hasp is connected to the other end, and big gyro wheel contacts with the couple that sets up on the shell, and the stopper setting is used for restricting the position of cam on the shell.
Preferably, the cam is hinged on the shell through a cam shaft, and a small roller shaft and a small roller are mounted on the cam, and the small roller is in contact with the hook.
Preferably, the hook is provided with a shifting block, an outer arc and an inner arc, and the shifting block is used for bearing the outer arc and the inner arc and is contacted with the cam.
Preferably, the latch is hinged to the housing by a latch shaft.
Preferably, the large roller is hinged on the lock catch through a large roller shaft.
The invention also discloses a method for hanging the goods by the helicopter, which comprises the following steps:
the hanging ring is placed in the hanging hook, the hanging hook rotates anticlockwise, the hanging hook drives the cam to rotate anticlockwise, the upper end of the hanging hook pushes the large roller to drive the lock catch to rotate anticlockwise, the cam rotates anticlockwise until contacting with the limiting block under the action of the reset spring, the pin shaft is supported at the top end of the cam, and the upper end of the hanging hook is supported on the large roller;
And secondly, driving the cam to rotate clockwise, enabling the pin shaft to roll to the left lower part of the cam, and enabling the gravity of the goods to drive the hook to rotate clockwise, so that the lock catch is driven to rotate against the needle, the hook is separated from the large roller, and the goods slide from the hook.
Preferably, in the first step, the hook is provided with a shifting block, an outer arc and an inner arc, and the cam enters the inner arc on the hook after passing through the highest point of the shifting block along the outer arc, and rotates anticlockwise until contacting with the limiting block under the action of the reset spring.
Preferably, in the first step, the cam is provided with a small roller shaft and a small roller, and the small roller rotates around the small roller shaft while rolling on the outer arc of the hook.
Preferably, in the second step, the hook is hinged on the shell through a hook shaft, and the distance between the hanging point of the goods and the hook shaft is gradually increased along with the rotation of the hook, so that the moment is increased until the lower edge of the hook is inclined downwards, and the goods slide from the hook.
Compared with the prior art, the invention has the following beneficial effects:
According to the hanging and throwing device of the helicopter, disclosed by the invention, under the condition that reliable throwing of goods is ensured by mutually matching the lock catch, the cam, the hook and the limiting block, the driving moment during throwing of the goods is effectively reduced, and the size and the weight of the goods hook are reduced. In the locked state, the return spring causes the cam to have a tendency to rotate counterclockwise about the cam shaft, and the movement of the cam in the counterclockwise direction is restricted by the stopper. The hook has a clockwise rotating trend under the action of goods, the large roller is pushed to drive the lock catch to have a counterclockwise rotating trend, the lock catch is supported at the top end of the cam through the needle bearing and the pin shaft, locking is completed by means of interaction force of the lock catch, when the goods are hung, the hanging ring is placed in the hook, the hook is rotated anticlockwise, the hook drives the cam to rotate clockwise, the large roller is pushed to drive the lock catch to rotate anticlockwise until locking is completed, when the goods are put in, the cam is driven to rotate clockwise, gravity of the goods drives the hook to rotate anticlockwise, the hook is separated from the large roller, the goods slide from the hook, at the moment, the distance between a hanging point of the goods and the rotating center of the hook is gradually prolonged, the moment is increased, the goods can be smoothly put down, and the purposes of small size and light weight of the device are achieved under the condition that the maximum hanging load is the same. The hook is hinged on the shell through a hook shaft, the hook shaft is positioned at the lower side of the opening direction of the hook, and the moment caused by the weight of the goods can be reduced by shortening the distance between the axis of the hook shaft and the downward vertical direction of the hanging point, so that the throwing driving moment is reduced.
Further, the cam is hinged on the shell through the cam shaft, the cam can rotate around the cam shaft, the small roller shaft and the small roller are arranged on the cam, and the small roller also rotates around the small roller shaft when rotating along the hook, so that the cam is beneficial to matching with the hook.
Further, the shifting block, the outer arc and the inner arc are arranged on the hook, so that the device can be matched with the cam to complete switching and locking of the device.
Further, the lock catch is hinged on the shell through the lock catch shaft, and the large roller is hinged on the lock catch through the large roller shaft, so that friction is reduced, and the service life of the device is prolonged.
The invention also discloses a method for hanging the goods by the helicopter, which comprises the steps of rotating the hanging hook, driving the cam to rotate by the hanging hook, further pushing the large roller to drive the lock catch to rotate, enabling the cam to rotate anticlockwise until contacting with the limiting block under the action of the reset spring, realizing locking, and driving the hook to rotate by the gravity of the goods by driving the cam to rotate, thereby driving the lock catch to rotate, enabling the hanging hook to be separated from the large roller, enabling the goods to slide off from the hanging hook, and realizing the purposes of small volume and light weight under the condition of the same maximum hanging load.
Drawings
FIG. 1 is a schematic view of a latch hook according to the present invention;
FIG. 2 is a schematic diagram of the hook opening process of the present invention;
FIG. 3 is a schematic diagram of the latch hook locking process of the present invention.
The novel high-speed brake device comprises a 1-shell, a 2-lock catch, a 3-lock catch shaft, a 4-reset spring, a 5-needle bearing, a 6-pin shaft, a 7-cam, an 8-cam shaft, a 9-small roller shaft, a 10-small roller, an 11-shifting block, a 12-outer arc, a 13-large roller, a 14-large roller shaft, a 15-hook, a 16-inner arc, a 17-hook shaft and a 18-limiting block.
Detailed Description
In order that those skilled in the art will better understand the present invention, a technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present invention and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the invention described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The invention is described in further detail below with reference to the attached drawing figures:
Referring to fig. 1, the invention is a schematic diagram of a locking state of a hook, which mainly comprises a shell 1, a lock catch 2, a lock catch shaft 3 and a cam 7, wherein the lock catch shaft 3 and the cam 7 are arranged on the shell 1, a cam shaft 8 is arranged on the shell 1, a hook 15 and a hook shaft 17 are arranged on the hook, a needle bearing 5 is arranged in the lock catch 2, a pin shaft 6 is arranged in a hole of the needle bearing 5, a large roller 13 and a large roller shaft 14 are arranged at the other end of the lock catch 2, a small roller shaft 9 and a small roller 10 are arranged on the cam 7, a reset spring 4 is hung at the upper end of the cam 7, the lock catch 2 is hinged on the shell 1, two ends of the lock catch 2 are respectively provided with the needle bearing 5 and the large roller 13, the pin shaft 6 is embedded in the needle bearing 5 to be in contact with the cam 7 hinged on the shell 1, one end of the reset spring 4 is connected with the upper end of the cam 7, the other end of the lock catch 2 is connected with the hook 13 to be in contact with the hook 15 arranged on the shell 1, a limiting block 18 is arranged on the shell 1 and is used for limiting the position of the cam 7, the cam 7 is hinged on the shell 1 through the cam shaft 8, a shifting block 11, an outer shifting block 12 and an inner circular arc 16 are arranged on the hook 15, the inner shifting block 11 and an inner circular arc 16 are arranged on the inner circular arc 16 and an inner arc 17 through the hook 11 and the hook 11 is hinged on the hook 1 through the hook 17 and the hook 2 in the direction of the hook 2 and the hook 2 is connected with the hook 3 through the circular arc 17.
In the locked state, the return spring 4 causes the cam 7 to have a tendency to rotate counterclockwise about the cam shaft 8, and the movement of the cam 7 in the counterclockwise direction is restricted by the stopper 18. Under the action of the goods, the hook 15 has a clockwise rotation trend, the large roller 13 is pushed to drive the lock catch 2 to rotate anticlockwise, and the lock catch 2 is supported at the top end of the cam 7 through the needle bearing 5 and the pin shaft 6.
The position of the hook shaft 17 is positioned at the lower side of the opening direction of the hook 15, the hanging point is positioned at the right side of the hook shaft 17, and the moment caused by the weight of goods can be reduced by shortening the distance between the axis of the hook shaft 17 and the hanging point in the downward vertical direction, so that the throwing driving moment is reduced.
The invention discloses a method for hanging cargo by a helicopter, which is described by referring to fig. 2 and 3, and comprises the following steps:
Referring to fig. 2, the opening process of the hook is schematically shown in the invention, when goods are put in, the driving cam 7 rotates clockwise, the pin shaft 6 slides to the left side of the cam 7 to enable the lock catch 2 to lose support, the gravity of the goods drives the hook 15 to rotate clockwise, the large roller 13 is pushed to drive the lock catch 2 to rotate in the reverse time direction, meanwhile, the right upper end of the hook drives the large roller 13 to rotate to enable the hook to be separated from the large roller 13, the distance between a hanging point of the goods and the hook shaft 17 is gradually prolonged along with the rotation of the hook 15, the moment is increased until the lower edge of the hook inclines downwards, the goods slide from the hook 15, and the distance between the hanging point of the goods and the rotation center of the hook shaft is increased in the rotation process of the hook 15, so that the goods can be put in smoothly.
The latch 2 can rotate around the latch shaft 3, the pin shaft 6 can rotate in the needle bearing 5, and when the cam 7 rotates, the pin shaft 6 rotates in the needle bearing 6 while rolling on the top of the cam 7. The large roller 13 is rotatable about a large roller shaft 14. The hook 15 is rotatable about a hook axis 17.
Referring to fig. 3, a schematic diagram of a locking process of a hook of the present invention is shown, when a cargo is hung, a hanging ring is placed in the hook 15, the hook 15 is rotated anticlockwise, a small roller 10 on a cam 7 rotates around a small roller shaft 9 while rolling on an outer circular arc of the hook 15, a shifting block 11 on the hook 15, the small roller 10 on the cam 7 is shifted to drive the cam 7 to rotate clockwise, a lock catch 2 loses support, the upper end of the hook 15 pushes a large roller 13 to drive the lock catch 3 to rotate anticlockwise, the upper end of the hook 15 enters the left side of the large roller 13 on the lock catch 2, then the small roller 10 passes through the highest point of the shifting block 11 and enters an inner circular arc 16 on the hook 15, the cam 7 rotates anticlockwise until contacting with a limiting block 18 under the action of a reset spring 4, meanwhile, the cam 7 shifts a pin 6 to drive the lock catch 3 to rotate clockwise, the pin 6 is supported on the top end of the cam 7 when the cam 7 contacts with the limiting block 18, and the upper right end of the hook 15 is supported on the large roller 14, so as to complete locking.
The above is only for illustrating the technical idea of the present invention, and the protection scope of the present invention is not limited by this, and any modification made on the basis of the technical scheme according to the technical idea of the present invention falls within the protection scope of the claims of the present invention.
Claims (9)
1. The hanging and throwing device of the helicopter is characterized by comprising a shell (1), a lock catch (2), a reset spring (4), a needle bearing (5), a pin shaft (6), a cam (7), a large roller (13), a hook (15) and a limiting block (18);
The lock catch (2) is hinged on the shell (1), needle roller bearings (5) and large rollers (13) are respectively arranged at two ends of the lock catch (2), a pin shaft (6) is embedded in the needle roller bearings (5) and is contacted with a cam (7) hinged on the shell (1), one end of a reset spring (4) is connected with the upper end of the cam (7), the other end of the reset spring is connected with the lock catch (2), the large rollers (13) are contacted with a hook (15) arranged on the shell (1), a limiting block (18) is arranged on the shell (1) and used for limiting the position of the cam (7), the hook (15) is hinged on the shell (1) through a hook shaft (17), and the hook shaft (17) is positioned at the lower side of the opening direction of the hook (15).
2. The hanging and throwing device of the helicopter according to claim 1, wherein the cam (7) is hinged on the shell (1) through a cam shaft (8), a small roller shaft (9) and a small roller (10) are arranged on the cam (7), and the small roller (10) is in contact with the hook (15).
3. The hanging and throwing device of the helicopter according to claim 1, wherein a shifting block (11), an outer circular arc (12) and an inner circular arc (16) are arranged on the hook (15), and the shifting block (11) receives the outer circular arc (12) and the inner circular arc (16) and is contacted with the cam (7).
4. A hanging and throwing device for a helicopter according to claim 1 characterized in that the lock catch (2) is hinged on the housing (1) by a lock catch shaft (3).
5. A hanging and throwing device of a helicopter according to claim 1 characterized in that the large roller (13) is hinged on the lock catch (2) through a large roller shaft (14).
6. A method of hanging cargo by a helicopter according to any one of claims 1 to 5, comprising:
The hanging ring is placed in a hanging hook (15), the hanging hook (15) rotates anticlockwise, the hanging hook (15) drives a cam (7) to rotate anticlockwise, the upper end of the hanging hook (15) pushes a large roller (13) to drive a lock catch (2) to rotate anticlockwise, the cam (7) rotates anticlockwise under the action of a reset spring (4) until contacting with a limiting block (18), a pin shaft (6) is supported at the top end of the cam (7), and the upper end of the hanging hook (15) is supported on the large roller (14);
And secondly, driving the cam (7) to rotate clockwise, enabling the pin shaft (6) to roll to the left lower part of the cam (7), enabling the gravity of the goods to drive the hook (15) to rotate clockwise, driving the lock catch (2) to rotate against the time direction needle, enabling the hook (15) to deviate from the large roller (13), and enabling the goods to slide off from the hook (15).
7. The method for hanging cargo hooks of a helicopter according to claim 6, wherein in the first step, a shifting block (11), an outer circular arc (12) and an inner circular arc (16) are arranged on a hook (15), a cam (7) enters the inner circular arc (16) on the hook (15) after passing through the highest point of the shifting block (11) along the outer circular arc (12), and the cam (7) rotates anticlockwise until contacting with a limiting block (18) under the action of a reset spring (4).
8. The method for hanging cargo hooks of a helicopter according to claim 6, wherein in the first step, a small roller shaft (9) and a small roller (10) are arranged on the cam (7), and the small roller (10) rotates around the small roller shaft (9) while rolling on an outer circular arc (12) of the hook (15).
9. The method for hanging cargoes by a helicopter according to claim 6, characterized in that in the second step, the hanging hook (15) is hinged on the shell (1) through the hanging hook shaft (17), and as the hanging hook (15) rotates, the distance between the hanging point of cargoes and the hanging hook shaft (17) is gradually prolonged, the moment is increased until the lower edge of the hanging hook is inclined downwards, and the cargoes slide off from the hanging hook (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210181813.XA CN114524098B (en) | 2022-02-25 | 2022-02-25 | Helicopter hanging delivery device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210181813.XA CN114524098B (en) | 2022-02-25 | 2022-02-25 | Helicopter hanging delivery device and method |
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| Publication Number | Publication Date |
|---|---|
| CN114524098A CN114524098A (en) | 2022-05-24 |
| CN114524098B true CN114524098B (en) | 2024-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210181813.XA Active CN114524098B (en) | 2022-02-25 | 2022-02-25 | Helicopter hanging delivery device and method |
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| CN (1) | CN114524098B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115593631B (en) * | 2022-12-13 | 2023-04-25 | 四川腾盾科技有限公司 | Dual-redundancy unmanned aerial vehicle hanging and throwing device and working method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN216805829U (en) * | 2022-02-25 | 2022-06-24 | 中航电测仪器股份有限公司 | A helicopter hoisting device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1044762A (en) * | 1962-05-08 | 1966-10-05 | Harley Patents Int | Improvements relating to parachute connectors |
| FR3077811B1 (en) * | 2018-02-14 | 2020-02-28 | Lace | LOAD HOOK LOCKING CAM AND HANGING DEVICE COMPRISING SUCH A CAM |
| CN109625270A (en) * | 2018-12-29 | 2019-04-16 | 中航电测仪器股份有限公司 | A kind of helicopter handling carry device and its operation method |
| CN210032988U (en) * | 2019-03-26 | 2020-02-07 | 宁波硕一电子有限公司 | Locking mechanism of safe |
| CN111017217B (en) * | 2019-12-30 | 2021-07-27 | 中航电测仪器(西安)有限公司 | Automatic cargo grabbing device for helicopter |
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2022
- 2022-02-25 CN CN202210181813.XA patent/CN114524098B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN216805829U (en) * | 2022-02-25 | 2022-06-24 | 中航电测仪器股份有限公司 | A helicopter hoisting device |
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| CN114524098A (en) | 2022-05-24 |
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