CN103129740A - Locking mechanism of engine compartment fairing - Google Patents

Locking mechanism of engine compartment fairing Download PDF

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Publication number
CN103129740A
CN103129740A CN2013100497556A CN201310049755A CN103129740A CN 103129740 A CN103129740 A CN 103129740A CN 2013100497556 A CN2013100497556 A CN 2013100497556A CN 201310049755 A CN201310049755 A CN 201310049755A CN 103129740 A CN103129740 A CN 103129740A
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China
Prior art keywords
handle
locking
sleeve
lock collar
swing arm
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Application number
CN2013100497556A
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Chinese (zh)
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CN103129740B (en
Inventor
林相平
陈进宏
许建平
彭宗梁
步鑫
陈先有
程璐军
孙皓天
林辉
王旭东
石龙龙
林添盈
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YUHUAN COUNTY TIANRUN AVIATION MACHINERY MANUFACTURING CO., LTD.
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YUHUAN COUNTY TIANRUN AVIATION MACHINERY MANUFACTURING PLANT
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Priority to CN201310049755.6A priority Critical patent/CN103129740B/en
Publication of CN103129740A publication Critical patent/CN103129740A/en
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Publication of CN103129740B publication Critical patent/CN103129740B/en
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Abstract

The invention provides a locking mechanism of an engine compartment fairing. The locking mechanism of the engine compartment fairing comprises a locking disk (10), a rotary mechanism (20) rotatably arranged on the locking disk (10), an elastic returning mechanism (30), a locking rod (40) and a locking mechanism (50). One end of the elastic returning mechanism (30) is fixedly connected onto the locking disk (10), the other end of the elastic returning mechanism (30) is fixedly connected onto the rotary mechanism (20), and the elastic returning mechanism (30) provides returning acting force. The locking rod (40) is connected onto the rotary mechanism (20) and extends out or retracts with the rotation of the rotary mechanism (20). The locking mechanism (50) is fixedly arranged on the locking disk (10) and provided with a first position for locking the rotary mechanism (20) and a second position for unlocking the rotary mechanism (20). By means of the locking mechanism, the engine compartment fairing can be effectively prevented from being opened in the flying process of an airplane due to vibration.

Description

The locking mechanism of piggyback pod fairing
Technical field
The present invention relates to aviation machine and make the field, in particular to a kind of locking mechanism of piggyback pod fairing.
Background technology
Safeguard for convenience of Helicopter body structure and power system, and keep coupling stiffness and the aerodynamic configuration of piggyback pod fairing and housing construction, piggyback pod fairing locking mechanism is indispensable important connection catch gear.Piggyback pod fairing locking mechanism generally is arranged on the movable guard of piggyback pod left and right, makes the piggyback pod fairing be in locking states when aircraft flight.
But in the aircraft flight process, can cause the aircraft vibration due to reasons such as flowing of air-flow, cause the piggyback pod fairing of aircraft automatically to be opened due to the aircraft vibration, the safety and stability of aircraft is caused adverse effect.
Summary of the invention
The present invention proposes and a kind ofly can prevent effectively that aircraft from causing the locking mechanism of the piggyback pod fairing that the piggyback pod fairing opens due to vibration in flight course.
In order to achieve the above object, technical scheme of the present invention is achieved in that
The locking mechanism of piggyback pod fairing comprises lock collar, be arranged on rotating mechanism on lock collar, elastic recoil mechanism, locking bar and lockout mechanism, when needs carry out locking to the piggyback pod fairing, elastic recoil effect by elastic recoil mechanism, can make rotating mechanism remain on initial position, making rotating mechanism drive locking bar stretches out, locking bar is inserted in body, realize being connected between body and piggyback pod fairing, prevent that the piggyback pod fairing from opening because aircraft vibrates.When needs are opened the piggyback pod fairing, can rotate rotating mechanism, make rotating mechanism drive the locking bar retraction, make locking mechanism be in opening.Thereby carry out the actions such as aircraft piggyback pod maintenance, simple to operation, safe and reliable.
Description of drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, the below will do one to the accompanying drawing of required use in embodiment or description of the Prior Art and introduce simply, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 shows the structural representation of the locking mechanism of piggyback pod fairing according to an embodiment of the invention;
Fig. 2 shows the main TV structure schematic diagram after locking mechanism is according to an embodiment of the invention removed locking bar;
Fig. 3 shows the plan structure schematic diagram after locking mechanism is according to an embodiment of the invention removed locking bar;
Fig. 4 shows the backsight structural representation after locking mechanism is according to an embodiment of the invention removed locking bar;
Fig. 5 shows locking mechanism according to an embodiment of the invention and removes the structural representation of looking up after locking bar;
Fig. 6 show according to the locking mechanism A-A of the embodiment of Fig. 3 to the sectional structure schematic diagram.
The specific embodiment
For the purpose, technical scheme and the advantage that make the embodiment of the present invention clearer, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment in the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
To shown in Figure 6, according to embodiments of the invention, the locking mechanism of piggyback pod fairing comprises lock collar 10, rotating mechanism 20, elastic recoil mechanism 30, locking bar 40 and lockout mechanism 50 as Fig. 1.Rotating mechanism 20 is arranged on lock collar 10 rotationally.One end of elastic recoil mechanism 30 is fixedly connected on lock collar 10, and the other end is fixedly connected on rotating mechanism 20, for rotating mechanism 20 provides the elastic recovery application force.Locking bar 40 is connected on rotating mechanism 20, stretches out or retracts with the rotation of rotating mechanism 20.Lockout mechanism 50 is fixedly installed on lock collar 10, has the primary importance of locking rotating mechanism 20 and the second place of release rotating mechanism 20.
When needs carry out locking to the piggyback pod fairing, elastic recoil effect by elastic recoil mechanism, can make rotating mechanism remain on initial position, making rotating mechanism drive locking bar stretches out, locking bar is inserted in body, realize being connected between body and piggyback pod fairing, prevent that the piggyback pod fairing is because the aircraft vibration is opened.When needs are opened the piggyback pod fairing, can handle rotating mechanism, make rotating mechanism drive the locking bar retraction, make locking mechanism be in opening.Thereby carry out the actions such as aircraft piggyback pod maintenance, simple to operation, safe and reliable.
rotating mechanism 20 comprises the sleeve 21 that is arranged on rotationally on lock collar 10 and is arranged on sleeve 21 and synchronizes the handle 22 that rotates with sleeve 21, handle 22 and sleeve 21 lay respectively at the two opposite sides of lock collar 10, when mounted, can make sleeve and all be positioned at the piggyback pod fairing with sleeve 21 and locking bar 40, and handle 22 is positioned at outside the piggyback pod fairing, not only can avoid locking bar and sleeve etc. to take up room, make locking mechanism compacter, being connected between sleeve 21 and locking bar 40 and body is more stable, and more be convenient to open the piggyback pod fairing by operating handle 22, structure is more reasonable, simple to operation.
Rotating mechanism 20 also comprises the handle axle 23 that is arranged in sleeve 21, and is fixedly connected on the outer swing arm 26 of sleeve 21.Handle 22 is fixedly connected on handle axle 23.One end opening of sleeve 21, the other end is provided with shrouding, handle axle 23 is arranged on an end of sleeve 21 openings, be provided with Compress Spring 24 between the shrouding of handle axle 23 and sleeve 21, be provided with the axially extended sliding tray along sleeve 21 on handle axle 23 and sleeve 21, on handle axle 23, the position of corresponding sliding tray radially is fixedly installed locking pin 25, and this locking pin 25 passes sliding tray and is arranged on handle axle 23, and handle axle 23 is slidably disposed in sleeve 21 vertically.In addition, sliding tray can also limit the height that handle 22 is upspring, and prevents that handle 22 breaks away from from sleeve 21.
Locking pin 25 radially links together sleeve 21 and handle axle 23, make between sleeve 21 and handle axle 23 and be merely able to relatively moving along sliding tray generation axial direction, and relatively rotating of circumferential direction can not occur, therefore, when operating by 22 pairs of handle axle 23 of handle, can be with moving sleeve 21 with handle axle 23 motion, and then drive the swing arm 26 that is fixedly connected on sleeve 21 with handle 22 motions, complete release or the locking action of locking bar 40.When the piggyback pod fairing is in locking states, just can prevent that by lockout mechanism 50 handle 22 from rotating, therefore can prevent correspondingly that also swing arm 26 from rotating, guarantee that the piggyback pod fairing stably is locked on body.
On lock collar 10, a side of mounting knob 22 is provided with the standing groove 11 that embeds handle 22, and handle 22 is embedded in standing groove 11 by hook-type swing arm 51.When not needing handle 22 is operated, only need to regulate hook-type swing arm 51, it is pressed on handle 22 in standing groove 11, just can form restriction by the rotation of 11 pairs of handles 22 of standing groove, effectively prevent handle 22 rotating opening locking mechanisms, so safety is better.In fact, hook-type swing arm 51 also can be pressed on handle 22 in standing groove 11 as required with other, perhaps remove the thrust to handle 22, make handle 22 eject standing groove 11 under the elastic force effect of Compress Spring 24, thereby can operate handle 22, make locking mechanism remove locking states.
Locking bar 40 is hinged on an end of swing arm 26, also be provided with near a side of elastic recoil mechanism 30 on swing arm 26 and connect otic placode 27, one end of elastic recoil mechanism 30 is fixedly connected on lock collar 10, and the other end of elastic recoil mechanism 30 is hinged on and connects on otic placode 27.Elastic recoil mechanism 30 can make swing arm 26 in the state Regression original position that handle 22 is not operated, and makes locking bar 40 stretch out, and body and piggyback pod fairing are locked in together.Preferably, locking bar 40 is two, and two locking bars 40 are separately positioned on the two ends of swing arm 26, and flexible along opposite direction, carries out locking thereby make between piggyback pod fairing and body from both direction, and locking states is more reliable and more stable.
Elastic recoil mechanism 30 comprises pivot shaft 31, mount pad 32 and elastic spacing pull bar 33, pivot shaft 31 is fixedly installed on lock collar 10, mount pad 32 is arranged on pivot shaft 31 rotationally, one end of elastic spacing pull bar 33 is hinged on and connects on otic placode 27, and the other end is connected on mount pad 32 by spiro rod length adjustablely.
Lockout mechanism 50 comprises and is arranged on handle 22 away from the hook-type swing arm 51 of sleeve 21 1 ends, and hook-type swing arm 51 selectively is hooked on handle 22.Lockout mechanism 50 also comprises the axle bed 52 that is fixedly installed on lock collar 10, axle bed 52 is arranged on the same side with sleeve 21, hook-type swing arm 51 is arranged on axle bed 52 rotationally by bearing pin, and hook-type swing arm 51 comprises the hooking end that is hooked on handle 22 and drives the drive end that hooking end moves to separate lock handle 22.When hook-type swing arm 51 is in normal working, be pressed on handle 22, and handle 22 is pressed in standing groove 11.When needs can move handle, adjust drive end, make drive end drive hooking end and break away from handle 22, thereby make handle 22 not be subjected to the constraint of hook-type swing arm 51 and upspring under the elastic force effect of Compress Spring 24.
An end near pivot shaft 31 on lock collar 10 is provided with groove, is provided with button 53 in groove, is used for driving the drive end of hook-type swing arm 51, makes its locking or separates lock handle 22.Button 53 axially is mounted slidably along sleeve 21, and the first end of button 53 stretches out after the groove diapire of lock collar 10 with the drive end of the hook-type swing arm 51 of handle 22 hinged, and the second end of button 53 is connected on lock collar 10 by retracing spring 54.When not being subjected to External Force Acting, button 53 drives the drive end of hook-type swing arm 51 to the lateral movement near lock collar 10, thereby drives hooking end to the lateral movement near handle 22 under the elastic force effect of retracing spring 54, and be hooked on handle 22, handle 22 is embedded in standing groove 11.Therefore, after being placed on piggyback pod fairing correspondence on body, under the effect of elastic recoil mechanism 30, locking bar 40 can be realized locking states automatically.Then be located in standing groove 11 by squeeze grip 22, then hook-type swing arm 51 be hooked on handle 22, just can prevent easily that handle 22 from freely rotating, guarantee that the piggyback pod fairing is locked on body.
Can find out by foregoing description: the locking mechanism of piggyback pod fairing comprises lock collar, be arranged on rotating mechanism on lock collar, elastic recoil mechanism, locking bar and lockout mechanism, when needs carry out locking to the piggyback pod fairing, elastic recoil effect by elastic recoil mechanism, can make rotating mechanism remain on initial position, making rotating mechanism drive locking bar stretches out, locking bar is inserted in body, realize being connected between body and piggyback pod fairing, prevent that the piggyback pod fairing is because the aircraft vibration is opened.When needs are opened the piggyback pod fairing, can rotate rotating mechanism, make rotating mechanism drive the locking bar retraction, make locking mechanism be in opening.Thereby carry out the actions such as aircraft piggyback pod maintenance, simple to operation, safe and reliable.Lockout mechanism comprises the hook-type swing arm of locked hand and controls the button of hook-type swing arm campaign, can limit by the motion of hook-type swing arm to handle, further guarantee the structural stability of piggyback pod fairing when aircraft is in state of flight, preventing that the piggyback pod fairing is improper opens, and can operating handle be opened by locking mechanism by pressing button when needs turn on the power the cabin fairing, and unblank flexibly, fast response time, effectively reduce labour intensity, improve safety rate.
It should be noted that at last: above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment, the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme that aforementioned each embodiment puts down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of various embodiments of the present invention technical scheme.

Claims (9)

1. the locking mechanism of a piggyback pod fairing, is characterized in that, comprising:
Lock collar (10);
Rotating mechanism (20) is arranged on described lock collar (10) rotationally;
Elastic recoil mechanism (30), an end of described elastic recoil mechanism (30) is fixedly connected on described lock collar (10), and the other end is fixedly connected on described rotating mechanism (20), for described rotating mechanism (20) provides the elastic recovery application force;
Locking bar (40) is connected on described rotating mechanism (20), stretches out or retracts with the rotation of described rotating mechanism (20);
Lockout mechanism (50) is fixedly installed on described lock collar (10), has the primary importance of the described rotating mechanism of locking (20) and the second place of the described rotating mechanism of release (20).
2. the locking mechanism of piggyback pod fairing according to claim 1, it is characterized in that, described rotating mechanism (20) comprises the sleeve (21) that is arranged on rotationally on described lock collar (10) and is arranged on described sleeve (21) and synchronizes the handle (22) that rotates with described sleeve (21), described handle (22) and described sleeve (21) lay respectively at the two opposite sides of described lock collar (10), described lockout mechanism (50) comprises and is arranged on described handle (22) away from the hook-type swing arm (51) of described sleeve (21) one ends, described hook-type swing arm (51) selectively is hooked on described handle (22).
3. the locking mechanism of piggyback pod fairing according to claim 2, it is characterized in that, described rotating mechanism (20) also comprises the handle axle (23) that is arranged in described sleeve (21), and described handle (22) is fixedly connected on described handle axle (23).
4. the locking mechanism of piggyback pod fairing according to claim 3, it is characterized in that, the upper side that described handle (22) is installed of described lock collar (10) is provided with the standing groove (11) that embeds described handle (22), and described handle (22) is embedded in described standing groove (11) by described hook-type swing arm (51).
5. the locking mechanism of piggyback pod fairing according to claim 4, it is characterized in that, one end opening of described sleeve (21), the other end is provided with shrouding, described handle axle (23) is arranged on an end of described sleeve (21) opening, be provided with Compress Spring (24) between the shrouding of described handle axle (23) and described sleeve (21), be provided with on described sleeve (21) along the axially extended sliding tray of described sleeve (21), locking pin (25) is arranged on described handle axle (23) after passing sliding tray.
6. the locking mechanism of piggyback pod fairing according to claim 5, it is characterized in that, described rotating mechanism (20) comprises that also fixed cover is located at the outer swing arm (26) of described sleeve (21), described locking pin (24) is arranged on described sleeve (21) after passing described swing arm (26), described locking bar (40) is hinged on an end of described swing arm (26), also be provided with in the upper side near described elastic recoil mechanism (30) of described swing arm (26) and connect otic placode (27), one end of described elastic recoil mechanism (30) is fixedly connected on described lock collar (10), the other end of described elastic recoil mechanism (30) is hinged on described connection otic placode (27).
7. the locking mechanism of piggyback pod fairing according to claim 6, it is characterized in that, described elastic recoil mechanism (30) comprises pivot shaft (31), mount pad (32) and elastic spacing pull bar (33), described pivot shaft (31) is fixedly installed on described lock collar (10), described mount pad (32) is arranged on described pivot shaft (31) rotationally, one end of described elastic spacing pull bar (33) is hinged on described connection otic placode (27), and the other end is connected on described mount pad (32) by spiro rod length adjustablely.
8. the locking mechanism of the described piggyback pod fairing of any one according to claim 2 to 7, it is characterized in that, described lockout mechanism (50) also comprises the axle bed (52) that is fixedly installed on described lock collar (10), described axle bed (52) is arranged on the same side with described sleeve (21), described hook-type swing arm (51) is arranged on described axle bed (52) rotationally, and described hook-type swing arm (51) comprises the hooking end that is hooked on described handle (22) and drives described hooking end motion with the drive end of the described handle of release (22).
9. the locking mechanism of piggyback pod fairing according to claim 8, it is characterized in that, described lock collar (10) is upper axially has been mounted slidably button (53) along described sleeve (21), the first end of described button (53) stretches out after described lock collar (10) with the drive end of the hook-type swing arm (51) of described handle (22) hinged, and the second end of described button (53) is connected on described lock collar (10) by retracing spring (54).
CN201310049755.6A 2013-02-07 2013-02-07 Locking mechanism of engine compartment fairing Active CN103129740B (en)

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Application Number Priority Date Filing Date Title
CN201310049755.6A CN103129740B (en) 2013-02-07 2013-02-07 Locking mechanism of engine compartment fairing

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Application Number Priority Date Filing Date Title
CN201310049755.6A CN103129740B (en) 2013-02-07 2013-02-07 Locking mechanism of engine compartment fairing

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CN103129740A true CN103129740A (en) 2013-06-05
CN103129740B CN103129740B (en) 2015-07-15

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106516093A (en) * 2016-11-30 2017-03-22 中国直升机设计研究所 Locking limit protection device
CN111661313A (en) * 2020-06-04 2020-09-15 北京爱思达航天科技有限公司 Quick separation mechanism for aircraft fairing and aircraft
WO2024055507A1 (en) * 2022-09-16 2024-03-21 玉环天润航空机械制造有限公司 Two-handed rotary handle mechanism, locking apparatus, and cargo hold door locking system

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201362366Y (en) * 2009-01-08 2009-12-16 江西昌河航空工业有限公司 Cowling lock mechanism of helicopter nacelle
CN201362365Y (en) * 2009-01-08 2009-12-16 江西昌河航空工业有限公司 Handle mechanism of cowling lock of helicopter nacelle
US20100059634A1 (en) * 2006-08-31 2010-03-11 Aircelle Locking system for a movable nacelle cowl
US20110227350A1 (en) * 2010-03-18 2011-09-22 Thai Do Latch with adjustable handle
US20120107109A1 (en) * 2009-05-28 2012-05-03 Aircelle Aircraft engine nacelle comprising a mobile cowl moved by electric motors

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100059634A1 (en) * 2006-08-31 2010-03-11 Aircelle Locking system for a movable nacelle cowl
CN201362366Y (en) * 2009-01-08 2009-12-16 江西昌河航空工业有限公司 Cowling lock mechanism of helicopter nacelle
CN201362365Y (en) * 2009-01-08 2009-12-16 江西昌河航空工业有限公司 Handle mechanism of cowling lock of helicopter nacelle
US20120107109A1 (en) * 2009-05-28 2012-05-03 Aircelle Aircraft engine nacelle comprising a mobile cowl moved by electric motors
US20110227350A1 (en) * 2010-03-18 2011-09-22 Thai Do Latch with adjustable handle

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106516093A (en) * 2016-11-30 2017-03-22 中国直升机设计研究所 Locking limit protection device
CN111661313A (en) * 2020-06-04 2020-09-15 北京爱思达航天科技有限公司 Quick separation mechanism for aircraft fairing and aircraft
CN111661313B (en) * 2020-06-04 2022-06-14 北京爱思达航天科技有限公司 Quick separation mechanism for aircraft fairing and aircraft
WO2024055507A1 (en) * 2022-09-16 2024-03-21 玉环天润航空机械制造有限公司 Two-handed rotary handle mechanism, locking apparatus, and cargo hold door locking system

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Denomination of invention: Locking mechanism of power cabin fairing

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Pledgee: Agricultural Bank of China Limited by Share Ltd. Yuhuan branch

Pledgor: YUHUAN TIANRUN AVIATION MACHINERY MANUFACTURING Co.,Ltd.

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