CN104590542A - Low-RCS embedded cabin door mechanism - Google Patents
Low-RCS embedded cabin door mechanism Download PDFInfo
- Publication number
- CN104590542A CN104590542A CN201410799897.9A CN201410799897A CN104590542A CN 104590542 A CN104590542 A CN 104590542A CN 201410799897 A CN201410799897 A CN 201410799897A CN 104590542 A CN104590542 A CN 104590542A
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- hinged
- link rod
- slide rail
- hatch door
- rocking arm
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Abstract
The invention belongs to structure design technologies, and relates to a cabin door receiving-releasing mechanism. A low-RCS embedded cabin door mechanism disclosed by the invention comprises a cabin door and a drive mechanism, wherein the drive mechanism comprises a left slide rail and a right slide rail which are parallel and fixed on a body respectively; a front link rod and a rear link rod sleeve the middle parts of the left slide rail and the right slide rail, and capable of sliding along the slide rails; one end of an action barrel is hinged with the body, and the other end is hinged with the hinged part of a first pull rod and a second pull rod; the other end of the first pull rod is hinged to the middle part of a corker arm; one end of the corker arm is hinged to the body, and the other end of the corker arm is hinged with a third pull rod; the other end of the third pull rod is hinged with a rotary rocker arm through a joint bearing; the rotary rocker arm is hinged with a link rod and capable of rotating around the link rod; the lower end of the rotary rocker arm is hinged with the joint of the cabin door; rear-end joints at the both sides of the cabin door are hinged with the rear link rod respectively. The low-RCS embedded cabin door mechanism disclosed by the invention adopts an embedded receiving-releasing mechanism, and solves the problems of too high RCS, too high flight resistance and the like caused by that a conventional cabin door is exposed to the outer surface of the body while being opened.
Description
Technical field
The invention belongs to structure-design technique, relate to the embedded hatch door mechanism of a kind of low RCS.
Background technology
Due to the needs of new aircraft, some equipment will protrude body surface to obtain the good visual field, and as electro-optic radar etc., but protrusion body surface can increase aerodynamic drag simultaneously, and increase RCS (radar area), greatly reduce the airworthiness of aircraft.Therefore the mode that the equipment such as many radars, antenna protrudes body surface is replaced by built-in type mounting means gradually.The equipment such as radar, antenna is fixed on internal body, hatch door draining provisions can be opened when needed, realize the airworthiness of opportunity of combat.But current this hatch door is normally routed up outside body, is similar to the form of undercarriage door, to turning up after this form needs to open, and can stop radar or aerial signal in some orientation, affecting it and normally working.The jack of this hatch door takes up room comparatively large simultaneously, is unfavorable for installing.
Summary of the invention
Goal of the invention
The present invention is that the internal body of the opening and closing of hatch door completes for telescopic radar or antenna provide a kind of low RCS embedded hatch door mechanism, does not affect the normal work of the equipment such as radar or antenna, does not increase aircraft aerodynamic drag, does not increase aircraft RCS.
Technical scheme
Technical scheme of the present invention is: the embedded hatch door mechanism of a kind of low RCS, comprise hatch door 1 and driver train 2, described driver train 2 comprises two and walks abreast and the left slide rail 201 be individually fixed on body and right slide rail 202, left slide rail 201 and right slide rail 202 intermediate sleeve have front link rod 203, rear link rod 204, 203, 204 can along slide rail 201, 202 slide, pressurized strut 205 one end is hinged on body, the other end is hinged with the first pull bar 206 and the hinged place of the second pull bar 207, the other end of the first pull bar 206 is articulated with on body, the other end of the second pull bar 207 is articulated with the middle part of rocking arm 208, rocking arm 208 one end is articulated with on body, the other end and the 3rd pull bar 209 hinged, 3rd pull bar 209 other end is hinged by oscillating bearing with rotation rocking arm 210, described rotation rocking arm 210 is hinged and can rotate around link rod 203 with link rod 203, the joint 101 rotating the lower end of rocking arm 210 and hatch door 1 is hinged, the rear tab 102 of hatch door 1 both sides, 103 is hinged with rear link rod 204 respectively.
Described pressurized strut 204 is electric actuating cylinder or hydraulic actuator.
Described second pull bar 206 adjustable with the hinge-point in the middle part of rocking arm 207.
Beneficial effect
The present invention solves equipment when being arranged on internal body, realizes the folding and unfolding of hatch door, have and have advantage as follows in narrow and small inner space:
1. the folding and unfolding of hatch door completes at internal body, realizes low RCS, low aerodynamic drag;
2. hatch door mechanism space hold is little, adopts slip folding and unfolding hatch door, low to the requirement of spatial altitude;
3. mechanism is simple and practical, much little relative to the aerodynamic loading of the hatch door that turns up, can simplified design expendable weight.
Accompanying drawing explanation
Fig. 1 is hatch door closing structure schematic diagram of the present invention
Fig. 2 is hatch door Unclosing structure schematic diagram of the present invention
Fig. 3 is body structural scheme of mechanism of the present invention
Fig. 4 is cabin door structure schematic diagram of the present invention
Wherein, hatch door 1, joint 101, rear tab 102, rear tab 103, driver train 2, left slide rail 201, right slide rail 202, front link rod 203, rear link rod 204, pressurized strut 205, first pull bar 206, second pull bar 207, rocking arm 208, the 3rd pull bar 209, rotation rocking arm 210, hatch door 3.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
Please refer to Fig. 1 to Fig. 4, wherein Fig. 1 is hatch door closing structure schematic diagram of the present invention, Fig. 2 is hatch door Unclosing structure schematic diagram of the present invention, Fig. 3 is body structural scheme of mechanism of the present invention, Fig. 4 is cabin door structure schematic diagram of the present invention, a kind of embedded hatch door mechanism of low RCS of the present invention, comprise hatch door 1 and driver train 2, described driver train 2 comprises two and walks abreast and the left slide rail 201 be individually fixed on body and right slide rail 202, left slide rail 201 and right slide rail 202 intermediate sleeve have front link rod 203, rear link rod 204, 203, 204 can along slide rail 201, 202 slide, pressurized strut 205 one end is hinged on body, the other end is hinged with the first pull bar 206 and the hinged place of the second pull bar 207, the other end of the first pull bar 206 is articulated with on body, the other end of the second pull bar 207 is articulated with the middle part of rocking arm 208, rocking arm 208 one end is articulated with on body, the other end and the 3rd pull bar 209 hinged, 3rd pull bar 209 other end is hinged by oscillating bearing with rotation rocking arm 210, described rotation rocking arm 210 is hinged and can rotate around link rod 203 with link rod 203, the joint 101 rotating the lower end of rocking arm 210 and hatch door 1 is hinged, the rear tab 102 of hatch door 1 both sides, 103 is hinged with rear link rod 204 respectively.
The embedded hatch door mechanism of described a kind of RCS, described pressurized strut 204 is electric actuating cylinder or hydraulic actuator.
The embedded hatch door mechanism of described a kind of RCS, described second pull bar 206 adjustable with the hinge-point in the middle part of rocking arm 207.
Provide the detailed operation of the embedded hatch door mechanism of a kind of low RCS of the present invention below:
Hatch door opening action: now hatch door mechanism status as shown in Figure 1, be in closed condition, when opening, pressurized strut 205 is shortened, rocking arm 208 is driven to rotate by the first pull bar 206 and the second pull bar 207, rocking arm 208 drives rotation rocking arm 210 to move by the 3rd pull bar 209, just start to rotate rocking arm 210 can only do under guide rail 301 limits and rotate around link rod 203, hatch door 1 is lifted simultaneously, make it higher than housing construction to move along guide rail, after rotation rocking arm 210 turns an angle, guide rail 301 loses the restriction to rotating rocking arm 210, rotate rocking arm 210 and promote front link rod 203 along left slide rail 201, right slide rail 202 moves forward, rotate rocking arm 210 drives the joint 101 of hatch door 1 first to move simultaneously, when hatch door 1 is lifted, the rear tab 102 of hatch door 1, rear tab 103 is rotated around link rod 204, then link rod 204 is along left slide rail 201, right slide rail 202 moves forward, until hatch door 1 is opened completely, state as shown in Figure 2.
Hatch door closing movement: now hatch door mechanism status as shown in Figure 2, be in open mode, during closedown, pressurized strut 205 is extended, rocking arm 208 is driven to rotate by the first pull bar 206 and the second pull bar 207, rocking arm 208 drives rotation rocking arm 210 to move by the 3rd pull bar 209, just start to rotate rocking arm 210 to move along left slide rail 201 under guide rail 301 limits, after rotation rocking arm 210 moves to certain displacement, guide rail 301 loses the limit rotation effect to rotating rocking arm 210, rotate rocking arm 210 to rotate around link rod 203, rotate rocking arm 210 drives the joint 101 of hatch door 1 to rotate simultaneously, hatch door 1 is reduced to and body outside face phase co-altitude, the rear tab 102 of hatch door 1 simultaneously, rear tab 103 is rotated around link rod 204, until hatch door 1 is closed completely, state as shown in Figure 1.
Claims (3)
1. the embedded hatch door mechanism of low RCS, it is characterized in that, comprise hatch door [1] and driver train [2], described driver train [2] comprises two and walks abreast and the left slide rail [201] be individually fixed on body and right slide rail [202], left slide rail [201] and right slide rail [202] intermediate sleeve have front link rod [203], rear link rod [204], front link rod [203], rear link rod [204] can slide along left slide rail [201] and right slide rail [202], pressurized strut [205] one end is hinged on body, the other end is hinged with the first pull bar [206] and the hinged place of the second pull bar [207], the other end of the first pull bar [206] is articulated with on body, the other end of the second pull bar [207] is articulated with the middle part of rocking arm [208], rocking arm [208] one end is articulated with on body, the other end and the 3rd pull bar [209] hinged, 3rd pull bar [209] other end is hinged by oscillating bearing with rotation rocking arm [210], described rotation rocking arm [210] and link rod [203] are hinged and can rotate around link rod [203], the lower end and the joint [101] of hatch door [1] that rotate rocking arm [210] are hinged, the rear tab [102] of hatch door [1] both sides, [103] hinged with rear link rod [204] respectively.
2. the embedded hatch door mechanism of a kind of RCS according to claim 1, is characterized in that, described pressurized strut [204] is electric actuating cylinder or hydraulic actuator.
3. the embedded hatch door mechanism of a kind of RCS according to claim 2, is characterized in that, described second pull bar [206] with rocking arm [207] middle part hinge-point adjustable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410799897.9A CN104590542A (en) | 2014-12-19 | 2014-12-19 | Low-RCS embedded cabin door mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410799897.9A CN104590542A (en) | 2014-12-19 | 2014-12-19 | Low-RCS embedded cabin door mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104590542A true CN104590542A (en) | 2015-05-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410799897.9A Pending CN104590542A (en) | 2014-12-19 | 2014-12-19 | Low-RCS embedded cabin door mechanism |
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| Country | Link |
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| CN (1) | CN104590542A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104948059A (en) * | 2015-05-13 | 2015-09-30 | 上海宇航系统工程研究所 | Arch cabin door opening and closing device |
| CN112158324A (en) * | 2020-09-25 | 2021-01-01 | 中国直升机设计研究所 | Connecting rod throwing device |
| CN112173063A (en) * | 2020-09-25 | 2021-01-05 | 中国直升机设计研究所 | Emergency window sealed with helicopter cabin door |
| CN112208770A (en) * | 2020-10-10 | 2021-01-12 | 江西洪都航空工业集团有限责任公司 | Linkage retraction device for cabin door of exposed equipment of airplane |
| CN112498665A (en) * | 2020-12-04 | 2021-03-16 | 中国航空工业集团公司成都飞机设计研究所 | Undercarriage retracting mechanism |
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| WO1998017529A1 (en) * | 1996-10-22 | 1998-04-30 | The Boeing Company | Airplane with unswept slotted cruise wing airfoil |
| DE102006034862A1 (en) * | 2006-07-25 | 2008-01-31 | Airbus Deutschland Gmbh | Vehicle cabin i.e. passenger aircraft, reconfiguring method, involves inserting cabin module through vehicle opening into vehicle cabin, fastening inserted module to vehicle cabin, and moving module from driven rollers to vehicle cabin |
| CN201136592Y (en) * | 2007-12-13 | 2008-10-22 | 陕西飞机工业（集团）有限公司 | Opener for multi-stage port |
| CN202624641U (en) * | 2012-06-12 | 2012-12-26 | 河南师范大学 | Deployment equipment for escape |
| CN103212170A (en) * | 2013-04-03 | 2013-07-24 | 哈尔滨工程大学 | Forest fire fighting bomb launching device |
| CN103895853A (en) * | 2014-04-11 | 2014-07-02 | 北京理工大学 | Design method for opening embedded cabin |
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2014
- 2014-12-19 CN CN201410799897.9A patent/CN104590542A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998017529A1 (en) * | 1996-10-22 | 1998-04-30 | The Boeing Company | Airplane with unswept slotted cruise wing airfoil |
| DE102006034862A1 (en) * | 2006-07-25 | 2008-01-31 | Airbus Deutschland Gmbh | Vehicle cabin i.e. passenger aircraft, reconfiguring method, involves inserting cabin module through vehicle opening into vehicle cabin, fastening inserted module to vehicle cabin, and moving module from driven rollers to vehicle cabin |
| CN201136592Y (en) * | 2007-12-13 | 2008-10-22 | 陕西飞机工业（集团）有限公司 | Opener for multi-stage port |
| CN202624641U (en) * | 2012-06-12 | 2012-12-26 | 河南师范大学 | Deployment equipment for escape |
| CN103212170A (en) * | 2013-04-03 | 2013-07-24 | 哈尔滨工程大学 | Forest fire fighting bomb launching device |
| CN103895853A (en) * | 2014-04-11 | 2014-07-02 | 北京理工大学 | Design method for opening embedded cabin |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104948059A (en) * | 2015-05-13 | 2015-09-30 | 上海宇航系统工程研究所 | Arch cabin door opening and closing device |
| CN112158324A (en) * | 2020-09-25 | 2021-01-01 | 中国直升机设计研究所 | Connecting rod throwing device |
| CN112173063A (en) * | 2020-09-25 | 2021-01-05 | 中国直升机设计研究所 | Emergency window sealed with helicopter cabin door |
| CN112158324B (en) * | 2020-09-25 | 2022-05-06 | 中国直升机设计研究所 | Connecting rod throwing device |
| CN112208770A (en) * | 2020-10-10 | 2021-01-12 | 江西洪都航空工业集团有限责任公司 | Linkage retraction device for cabin door of exposed equipment of airplane |
| CN112208770B (en) * | 2020-10-10 | 2022-08-26 | 江西洪都航空工业集团有限责任公司 | Cabin door linkage retracting and releasing device for exposed equipment of airplane |
| CN112498665A (en) * | 2020-12-04 | 2021-03-16 | 中国航空工业集团公司成都飞机设计研究所 | Undercarriage retracting mechanism |
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Application publication date: 20150506 |