CN114524098A - Helicopter hanging and throwing device and method - Google Patents
Helicopter hanging and throwing device and method Download PDFInfo
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- CN114524098A CN114524098A CN202210181813.XA CN202210181813A CN114524098A CN 114524098 A CN114524098 A CN 114524098A CN 202210181813 A CN202210181813 A CN 202210181813A CN 114524098 A CN114524098 A CN 114524098A
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- 230000005484 gravity Effects 0.000 claims abstract description 7
- 230000009471 action Effects 0.000 claims description 8
- 230000008569 process Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
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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 helicopter hanging, releasing and transporting device and method, belongs to the field of helicopter hanging, releasing and transporting, and effectively reduces driving torque during releasing goods and size and weight of a goods hook under the condition that reliable releasing of goods is ensured by mutual matching of a lock catch, a cam, the hook and a limiting block. In a locking state, the reset spring enables the cam to have the tendency of anticlockwise rotating around the cam shaft, and the movement of the cam is limited by the limiting block; the gravity of the goods enables the hook to push the large roller to drive the lock catch to have the tendency of anticlockwise rotation, and the lock catch is supported at the top end of the cam; when the goods are put in, the cam rotates clockwise, the goods gravity drives the hook to rotate clockwise, the lock catch rotates in the counterclockwise direction, the hook is separated from the large roller, the goods slide off the hook, the distance between the hanging point of the goods and the rotating center of the hook is gradually increased, the moment is increased, the goods can be smoothly put in, and the purposes of small size and light weight of the device under the same condition of the maximum hanging load are achieved.
Description
Technical Field
The invention belongs to the field of helicopter hanging, throwing and transporting, and particularly relates to a helicopter hanging and throwing device and a method.
Background
The cargo hook structure of the present helicopter 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 of a hook for hanging the cargo and the hook, in order to ensure that the cargo moves in the hanging flight process, one end of the hook is tilted generally in the cargo hanging state, the hanging point of the cargo is always at the lowest point of the hook, the hook shaft is the cargo hook above the hook opening, and the hook shaft is arranged at the upper end of the hook opening, the structure has the advantages that the cargo hanging point is closer to a rotating shaft of the hook, so the generated moment is smaller, the driving moment required for opening the hook when the cargo is thrown is smaller, but when the cargo is thrown, the cargo drives the hook to rotate clockwise, the moment generated by the cargo is smaller and smaller, when the cargo hanging point and the hook shaft are at the same position, if the left end of the hook is higher than the hanging point of the cargo, it is possible that the goods cannot come off the hook. The advantage of the cargo hook of hook shaft at the side of the hook opening lies in that the cargo can be put in no matter how the cargo rotates, but the moment of the cargo generated relative to the rotating shaft is large, the putting moment required during putting is large, and finally the cargo hook is increased in volume and is heavy.
A small, lightweight cargo hook device with the same maximum hanging load is highly desirable in practical use.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a helicopter hanging and releasing device and a helicopter hanging and releasing method, so as to solve the problems that the releasing moment is small, goods cannot be released from a hook, or the releasing moment is large, the volume of a goods hook is increased, and the weight is large in the prior art, and realize the purposes of small volume and light weight under the condition that the maximum hanging loads are the same.
In order to achieve the purpose, the invention adopts the following technical scheme to realize the purpose:
the invention discloses a helicopter hanging and throwing device, which comprises: the device comprises a shell, a lock catch, a return spring needle bearing, a pin shaft, a cam, a large roller, a hook and a limiting block;
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 the bearing and is articulated the cam contact on the shell, and reset spring one end is connected the cam upper 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, 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 in contact 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 cargo hook by the helicopter, which comprises the following steps:
the method comprises the following steps: the lifting ring is placed in the hook, the hook is rotated anticlockwise, the hook drives the cam to rotate clockwise, the upper end of the hook pushes the large roller to drive the lock catch to rotate anticlockwise, the cam is enabled to rotate anticlockwise under the action of the reset spring until the cam is contacted with the limiting block, the pin shaft is supported at the top end of the cam, and the upper end of the hook is supported on the large roller;
step two: the drive cam is clockwise rotatory, and the round pin axle rolls the left side below of cam, and the gravity of goods drives couple clockwise rotation to it is rotatory to drive the lock catch counterclockwise direction needle, makes the couple deviate from big gyro wheel, and the goods landing from the couple.
Preferably, in the first step, the hook is provided with a shifting block, an outer arc and an inner arc, the cam crosses the highest point of the shifting block along the outer arc and then enters the inner arc on the hook, and the cam rotates anticlockwise under the action of the return spring until the cam is contacted with the limiting block.
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 circular arc of the hook.
Preferably, in the second step, the hook is hinged to the shell through the hook shaft, along with the rotation of the hook, the distance between the hanging point of the goods and the hook shaft is gradually increased, the moment is increased until the lower edge of the hook inclines downwards, and the goods slide off the hook.
Compared with the prior art, the invention has the following beneficial effects:
according to the helicopter hanging and releasing device disclosed by the invention, under the condition that reliable releasing of goods is ensured through mutual matching of the lock catch, the cam, the hook and the limiting block, the driving torque during releasing the goods is effectively reduced, and the size and the weight of the goods hook are reduced. In the locking state, the return spring enables the cam to have the tendency of rotating anticlockwise around the cam shaft, and the movement of the cam in the anticlockwise direction is limited through the limiting block. Under the action of goods, the hook tends to rotate clockwise, the large roller is pushed to drive the lock catch to rotate anticlockwise, the lock catch is supported at the top end of the cam through the needle bearing and the pin shaft, and the locking is completed by utilizing the interaction force of the lock catch and the cam; 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, and the upper end of the hook pushes the large roller to drive the lock catch to rotate anticlockwise until the locking is completed; when the goods are put in, the driving cam rotates clockwise, the gravity of the goods drives the hook to rotate clockwise, so that the lock catch is driven to rotate in the counterclockwise direction, the hook is separated from the large roller, the goods slide off the hook, the distance between the hanging point of the goods and the rotating center of the hook is gradually increased, the moment is increased, the goods can be smoothly put in, and the purposes of small size and light weight of the device under the condition that the maximum hanging load is the same are achieved. The hook is hinged on the shell through the hook shaft, the hook shaft is located on 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 shaft center of the hook shaft and the downward vertical direction of the hanging point, so that the putting driving moment is reduced.
Furthermore, the cam is hinged to the shell through a cam shaft, the cam can rotate around the cam shaft, a small roller shaft and a small roller are mounted on the cam, and the small roller rotates around the small roller shaft when rotating along the hook, so that the cam and the hook are matched conveniently.
Furthermore, the hook is provided with a shifting block, an outer arc and an inner arc, which is beneficial to matching with a cam to complete the opening and closing of the device.
Furthermore, the lock catch is hinged to the shell through the lock catch shaft, and the large roller is hinged to 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 a cargo hook by a helicopter, wherein the hook drives the cam to rotate by rotating the hook, so that the large roller is pushed to drive the lock catch to rotate, the cam rotates counterclockwise under the action of the return spring until the cam is contacted with the limiting block, and locking is realized; through the rotation of the driving cam, the gravity of the goods drives the hook to rotate, so that the lock catch is driven to rotate, the hook is separated from the large roller, the goods slide off the hook, and the aims of small size and light weight are fulfilled under the condition that the maximum hanging load is the same.
Drawings
FIG. 1 is a schematic view of the hook locking state of the present invention;
FIG. 2 is a schematic view of the hook opening process of the present invention;
FIG. 3 is a schematic diagram of the hook locking process of the present invention.
Wherein: 1-a housing; 2, locking and buckling; 3-a latch shaft; 4-a return spring; 5-needle roller bearing; 6-a pin shaft; 7-a cam; 8-a camshaft; 9-small roller shaft; 10-small rollers; 11-a shifting block; 12-outer circular arc; 13-large roller; 14-large roller shaft; 15-hanging hooks; 16-inner circular arc; 17-a hook shaft; 18-a limiting block.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or 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 accompanying drawings:
referring to fig. 1, which is a schematic view of a locking state of a hook of the present invention, the present invention mainly comprises a housing 1, a latch 2, a latch shaft 3, a cam 7 installed on the housing 1, a cam shaft 8 installed on the housing 1, a hook 15 and a hook shaft 17, a needle bearing 5 is installed in the latch 2, a pin 6 is installed in a hole of the needle bearing 5, a large roller 13 and a large roller shaft 14 are installed at the other end of the latch 2, a small roller shaft 9 and a small roller 10 are installed on the cam 7, a return spring 4 is hung at the upper end of the cam 7, the latch 2 is hinged on the housing 1, the needle bearing 5 and the large roller 13 are respectively installed at both ends of the latch 2, the pin 6 is embedded in the needle bearing 5 and is in contact with the cam 7 hinged on the housing 1, one end of the return spring 4 is connected with the upper end of the cam 7, the other end is connected with the latch 2, the large roller 13 is in contact with the hook 15 installed on the housing 1, a limiting block 18 is arranged on the shell 1 and used for limiting the position of the cam 7; the cam 7 is hinged to the shell 1 through the cam shaft 8, a shifting block 11, an outer arc 12 and an inner arc 16 are arranged on the hook 15, the shifting block 11 receives the outer arc 12 and the inner arc 16 and contacts with the cam 7, the hook 15 is hinged to the shell 1 through a hook shaft 17, the hook shaft 17 is located on the lower side of the opening direction of the hook 15, and the lock catch 2 is hinged to the shell 1 through the lock catch shaft 3.
In the locked state, the return spring 4 gives the cam 7 a tendency to rotate counterclockwise about the cam shaft 8, the counterclockwise movement of the cam 7 being limited by the stop 18. Under the action of goods, the hook 15 tends to rotate clockwise, 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 the goods can be reduced by shortening the distance between the axis of the hook shaft 17 and the downward vertical direction of the hanging point, so that the throwing driving moment is reduced.
The method for hanging the cargo hook by the helicopter disclosed by the invention is described by combining the drawings 2 and 3, and comprises the following steps:
referring to fig. 2, which is a schematic diagram of the opening process of the hook of the present invention, when a cargo is dropped, the cam 7 is driven to rotate clockwise, the pin shaft 6 slides to the left side of the cam 7 to cause the latch 2 to lose support, the gravity of the cargo drives the hook 15 to rotate clockwise, the large roller 13 is pushed to drive the latch 2 to rotate in the counterclockwise direction, meanwhile, the upper right end of the hook drives the large roller 13 to rotate to cause the hook to be disengaged from the large roller 13, the distance between the hanging point of the cargo and the hook shaft 17 is gradually increased along with the rotation of the hook 15, the moment is increased until the lower edge of the hook inclines downwards, the cargo slides from the hook 15, the distance between the hanging point of the cargo and the rotation center of the hook shaft is increased during the rotation of the hook 15, and the cargo can be smoothly dropped.
The latch 2 is rotatable about a latch axis 3, the pin 6 is rotatable within the needle bearing 5, and when the cam 7 is rotated, the pin 6 rotates within the needle bearing 6 while rolling on top of the cam 7. The large roller 13 can rotate around a large roller shaft 14. The hook 15 can rotate about a hook axis 17.
Referring to fig. 3, which is a schematic diagram of the locking process of the hook of the present invention, when a cargo is hung, a hanging ring is placed in a hook 15, the hook 15 is rotated counterclockwise, a small roller 10 on a cam 7 rolls on the outer arc of the hook 15 and rotates around a small roller shaft 9, a shifting block 11 on the hook 15 shifts the small roller 10 on the cam 7 to drive the cam 7 to rotate clockwise, the latch 2 loses support, the upper end of the hook 15 pushes a large roller 13 to drive the latch 3 to rotate counterclockwise, so that the upper end of the hook 15 enters the left side of the large roller 13 on the latch 2, then the small roller 10 crosses the highest point of the shifting block 11 to enter the inner arc 16 on the hook 15, the cam 7 rotates counterclockwise under the action of a return spring 4 until contacting with a limit block 18, meanwhile, the cam 7 shifts a pin shaft 6 to drive the latch 3 to rotate clockwise, and the pin shaft 6 is supported at the top end of the cam 7 when the cam 7 contacts with the limit block 18, the right upper end of the hook 15 is supported on the large roller 14 to complete locking.
The above-mentioned contents are only for illustrating the technical idea of the present invention, and the protection scope of the present invention is not limited thereby, and any modification made on the basis of the technical idea of the present invention falls within the protection scope of the claims of the present invention.
Claims (9)
1. A helicopter hanging and releasing device is characterized by comprising: the device comprises a shell (1), a lock catch (2), a return 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);
hasp (2) articulate on shell (1), the both ends of hasp (2) set up bearing (5) and big gyro wheel (13) respectively, round pin axle (6) are embedded in bearing (5) and articulate cam (7) contact on shell (1), cam (7) upper end is connected to reset spring (4) one end, hasp (2) is connected to the other end, big gyro wheel (13) and couple (15) contact of setting on shell (1), stopper (18) set up the position that is used for restricting cam (7) on shell (1), couple (15) articulate on shell (1) through couple axle (17), couple axle (17) are located the downside of couple (15) opening direction.
2. A helicopter hanger drop arrangement according to claim 1, wherein said cam (7) is hinged to the housing (1) by means of a cam shaft (8), the cam (7) having a small roller shaft (9) and a small roller (10) mounted thereon, the small roller (10) being in contact with the hook (15).
3. A helicopter hanger drop arrangement according to claim 1, wherein said hook (15) is provided with a paddle (11), an outer arc (12) and an inner arc (16), said paddle (11) receiving said outer arc (12) and said inner arc (16) and being in contact with said cam (7).
4. A helicopter hanging and throwing apparatus according to claim 1, wherein said latch (2) is hinged to the housing (1) by a latch shaft (3).
5. A helicopter hanging and throwing apparatus according to claim 1, wherein said large roller (13) is hinged to the lock catch (2) by a large roller shaft (14).
6. A helicopter hanging cargo hooking method of the helicopter hanging cargo hooking device according to any one of claims 1 to 5, comprising:
the method comprises the following steps: the hanging ring is placed in the hook (15), the hook (15) is rotated anticlockwise, the hook (15) drives the cam (7) to rotate clockwise, the upper end of the hook (15) pushes the large roller (13) to drive the lock catch (2) to rotate anticlockwise, the cam (7) is enabled to rotate anticlockwise under the action of the reset spring (4) until the cam is contacted with the limiting block (18), the pin shaft (6) is supported at the top end of the cam (7), and the upper end of the hook (15) is supported on the large roller (14);
step two: drive cam (7) clockwise rotation, round pin axle (6) roll to the left side below of cam (7), and the gravity of goods drives couple (15) clockwise rotation to it is rotatory to drive hasp (2) counterclockwise direction needle, makes couple (15) deviate from big gyro wheel (13), and the goods landing from couple (15).
7. A helicopter cargo hanging hook method according to claim 6, characterized in that in step one, the hook (15) is provided with a shifting block (11), an outer arc (12) and an inner arc (16), the cam (7) enters the inner arc (16) on the hook (15) after the outer arc (12) crosses the highest point of the shifting block (11), and the cam (7) rotates counterclockwise under the action of the return spring (4) until contacting the limit block (18).
8. A helicopter cargo hanging hook method according to claim 6, characterized in that in step one, the cam (7) is provided with a small roller shaft (9) and a small roller (10), and the small roller (10) rolls on the outer arc (12) of the hook (15) and simultaneously rotates around the small roller shaft (9).
9. A helicopter hoisting cargo hooking method according to claim 6, characterized in that in step two, the hook (15) is hinged to the housing (1) through the hook shaft (17), and with the rotation of the hook (15), the distance between the cargo hoisting point and the hook shaft (17) is gradually increased, and the moment is increased until the lower edge of the hook is inclined downward, and the cargo slides off the hook (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210181813.XA CN114524098A (en) | 2022-02-25 | 2022-02-25 | Helicopter hanging and throwing device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210181813.XA CN114524098A (en) | 2022-02-25 | 2022-02-25 | Helicopter hanging and throwing device and method |
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| Publication Number | Publication Date |
|---|---|
| CN114524098A true CN114524098A (en) | 2022-05-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210181813.XA Pending CN114524098A (en) | 2022-02-25 | 2022-02-25 | Helicopter hanging and throwing device and method |
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| Country | Link |
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| CN (1) | CN114524098A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115593631A (en) * | 2022-12-13 | 2023-01-13 | 四川腾盾科技有限公司（Cn） | Double-redundancy unmanned aerial vehicle hanging and throwing device and working method thereof |
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|---|---|---|---|---|
| GB1044762A (en) * | 1962-05-08 | 1966-10-05 | Harley Patents Int | Improvements relating to parachute connectors |
| 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 |
| FR3077811A1 (en) * | 2018-02-14 | 2019-08-16 | Indraero-Siren | LOAD HOOK LOCKING CAM AND HOOKING DEVICE COMPRISING SUCH A CAME |
| CN210032988U (en) * | 2019-03-26 | 2020-02-07 | 宁波硕一电子有限公司 | Locking mechanism of safe |
| CN111017217A (en) * | 2019-12-30 | 2020-04-17 | 中航电测仪器(西安)有限公司 | Automatic cargo grabbing device for helicopter |
| CN216805829U (en) * | 2022-02-25 | 2022-06-24 | 中航电测仪器股份有限公司 | Helicopter hanging and throwing device |
-
2022
- 2022-02-25 CN CN202210181813.XA patent/CN114524098A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1044762A (en) * | 1962-05-08 | 1966-10-05 | Harley Patents Int | Improvements relating to parachute connectors |
| FR3077811A1 (en) * | 2018-02-14 | 2019-08-16 | Indraero-Siren | LOAD HOOK LOCKING CAM AND HOOKING DEVICE COMPRISING SUCH A CAME |
| 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 |
| CN111017217A (en) * | 2019-12-30 | 2020-04-17 | 中航电测仪器(西安)有限公司 | Automatic cargo grabbing device for helicopter |
| CN216805829U (en) * | 2022-02-25 | 2022-06-24 | 中航电测仪器股份有限公司 | Helicopter hanging and throwing device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115593631A (en) * | 2022-12-13 | 2023-01-13 | 四川腾盾科技有限公司（Cn） | Double-redundancy unmanned aerial vehicle hanging and throwing device and working method thereof |
| 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 |
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