CN202226068U - Quick demounting port cover for frame segment counterweight cabin of aerofoil flutter model - Google Patents
Quick demounting port cover for frame segment counterweight cabin of aerofoil flutter model Download PDFInfo
- Publication number
- CN202226068U CN202226068U CN201120294947XU CN201120294947U CN202226068U CN 202226068 U CN202226068 U CN 202226068U CN 201120294947X U CN201120294947X U CN 201120294947XU CN 201120294947 U CN201120294947 U CN 201120294947U CN 202226068 U CN202226068 U CN 202226068U
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- cover plate
- side muscle
- plate side
- edge
- latch hook
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Abstract
The utility model belongs to a structural design technique for aerofoil flutter models, and relates to a structural improvement of a frame segment counterweight cabin of an aerofoil flutter model. A quick demounting port cover 7 for the frame segment counterweight cabin of the aerofoil flutter model comprises two cover plate side ribs 7a, a cover plate 7b, two lock hook carriers 7c, two barbs 7d and two lock spring components 9. The cover plate 7b is inset onto an upper port of a front counterweight cabin, the front edge of the cover plate 7b is attached to the rear lateral side of a first edge strip 3, the rear edge of the cover plate 7b is attached to the front lateral side of a partition plate 4, the two lateral edges of the cover plate 7b are attached to an aerofoil rib plate 1, the outer surface of the cover plate 7b is coplanar with the profile of an upper skin of the aerofoil, and the cover plate side ribs 7a are ribs with rectangular cross sections. By the aid of the quick demounting port cover, counterweights can be replaced without replacing the skin, and thereby the testing progress is quickened, and testing cost is reduced.
Description
Technical field
The utility model belongs to flutter of aerofoil model structure designing technique, relates to the improvement to flutter of aerofoil model frame section counterweight chamber structure.
Background technology
Flutter of aerofoil model frame section counterweight storehouse is used to install counterweight; Existing flutter of aerofoil model frame section counterweight storehouse is referring to Fig. 1 and Fig. 2; It is made up of the adjacent floor of arranging along spanwise 1, last covering, following covering and leading edge 2, trailing edge 5 and edge strip usually; From leading edge 2 edge strip number consecutivelies; 7 edge strips are arranged among Fig. 1,2, and wherein No. 1 edge strip is adjacent with leading edge 2, and No. 7 edge strip is adjacent with trailing edge 5.The last covering in existing flutter of aerofoil model frame section counterweight storehouse covers on the model frame section through stickup with following covering; Flap is not set; Install, dismantle counterweight and all need change covering or following covering, use inconvenience, the model counterweight is changed more frequent test; Need the frequent covering that tears, again covering is repaired after installing counterweight; Each test all will be waited until new repairing could begin test after good covering parches, and has had a strong impact on the progress of test, has improved experimentation cost.
Summary of the invention
The purpose of the utility model is: propose a kind of flutter of aerofoil model frame section counterweight storehouse quick-release flap that covering just can be dismantled counterweight that need not to change, to accelerate the progress of test, reduce experimentation cost.
The technical solution of the utility model is: flutter of aerofoil model frame section counterweight storehouse quick-release flap; Counterweight storehouse and counterweight storehouse, back before flutter of aerofoil model frame section counterweight storehouse is divided into; Before the preceding border in counterweight storehouse be No. 1 edge strip 3 adjacent with flutter of aerofoil model leading edge 2; Back border is a dividing plate 4, is adjacent wing floor 1 along the left and right border of spanwise, and lower boundary is a covering under the wing; Preceding border, back counterweight storehouse is No. 6 edge strips 6, and back border is a dividing plate 4, is adjacent wing floor 1 along the left and right border of spanwise, and the coboundary is a covering on the wing, and lower boundary is a covering under the wing; It is characterized in that,
(1) quick-release flap 7 is made up of two cover plate side muscle 7a, cover plate 7b, two latch hook carrier 7c, two barb 7d and two snap assemblies 9 before the flutter of aerofoil model frame section counterweight storehouse; The port in counterweight storehouse before cover plate 7b is embedded in, the trailing flank of the front edge of cover plate 7b and No. 1 edge strip 3 is fitted, and the leading flank of the lagging dege of cover plate 7b and dividing plate 4 is fitted; The both sides of the edge of cover plate 7b and wing floor 1 are fitted, and the profile coplane of covering on the outside face of cover plate 7b and the wing, cover plate side muscle 7a are that cross-sectional plane is the rib of rectangle; Cover plate side muscle 7a is positioned at the both sides of the edge of cover plate 7b; Cover plate side muscle 7a and cover plate 7b one shape, and the front end of cover plate side muscle 7a flushes with the front edge of cover plate 7b, and the rear end of cover plate side muscle 7a flushes with the lagging dege of cover plate 7b; Front edge at each cover plate side muscle 7a has a barb 7d; The lower surface of the root of barb 7d and cover plate side muscle 7a front edge is connected to integral body, the bill of barb 7d forward, the upper surface of barb 7d bill and the lower surface of No. 1 edge strip 3 are fitted; At the antemarginal lower surface of each cover plate side muscle 7a a latch hook carrier 7c is arranged; Latch hook carrier 7c and cover plate 7a one shape; The back surface of latch hook carrier 7c flushes with the lagging dege of cover plate 7a, and the lateral surface coplane of the lateral surface of latch hook carrier 7c and cover plate side muscle 7a has a stepped hole that connects cover plate 7a on latch hook carrier 7c; The large diameter hole of this stepped hole is opened on the upper surface of cover plate 7a, and the small diameter bore of this stepped hole is opened on the lower surface of cover plate side muscle 7a; A snap assembly 9 is installed in each stepped hole; Snap assembly 9 is made up of rotating shaft 9a, stage clip 9b and screw 9c; The rotating shaft 9a of step axle shape is installed in the stepped hole on the latch hook carrier 7c, and the center tapped blind hole is arranged on the lower surface of rotating shaft 9a, and the end of stage clip 9b has through hole; Screw 9c is fixed on the end of stage clip 9b on the lower surface of rotating shaft 9a; When snap assembly 9 was positioned at locked position, the other end of stage clip 9b was pushed down the lower surface of dividing plate fixture block 4a, and dividing plate fixture block 4a is fixed on the front surface of dividing plate 4;
(2) quick-release flap 8 is made up of two cover plate side muscle 8a, cover plate 8b, two latch hook carrier 8c, two barb 8d and two snap assemblies 9 behind the flutter of aerofoil model frame section counterweight storehouse; Cover plate 8b is embedded in the port in counterweight storehouse, back, and the leading flank of the lagging dege of cover plate 8b and No. 6 edge strips 3 is fitted, and the trailing flank of the front edge of cover plate 8b and dividing plate 4 is fitted; The both sides of the edge of cover plate 8b and wing floor 1 are fitted, and the profile coplane of covering on the outside face of cover plate 8b and the wing, cover plate side muscle 8a are that cross-sectional plane is the rib of rectangle; Cover plate side muscle 8a is positioned at the both sides of the edge of cover plate 8b; Cover plate side muscle 8a and cover plate 8b one shape, and the front end of cover plate side muscle 8a flushes with the front edge of cover plate 8b, and the rear end of cover plate side muscle 8a flushes with the lagging dege of cover plate 8b; Lagging dege at each cover plate side muscle 8a has a barb 8d; The root of barb 8d and the antemarginal lower surface of cover plate side muscle 8a are connected to integral body, the bill of barb 8d backward, the upper surface of barb 8d bill and the lower surface of No. 6 edge strips 3 are fitted; Lower surface at each cover plate side muscle 8a front edge has a latch hook carrier 8c; Latch hook carrier 8c and cover plate 8a one shape; The front surface of latch hook carrier 8c flushes with the front edge of cover plate 8a, and the lateral surface coplane of the lateral surface of latch hook carrier 8c and cover plate side muscle 8a has a stepped hole that connects cover plate 8a on latch hook carrier 8c; The large diameter hole of this stepped hole is opened on the upper surface of cover plate 8a, and the small diameter bore of this stepped hole is opened on the lower surface of cover plate side muscle 8a; A snap assembly 9 is installed in each stepped hole, and when snap assembly 9 was positioned at locked position, the other end of stage clip 9b was pushed down the lower surface of dividing plate fixture block 4a, and dividing plate fixture block 4a is fixed on the back surface of dividing plate 4.
The utility model has the advantages that: need not to change covering just can the dismounting and change counterweight, has accelerated the progress of test, has reduced experimentation cost.An embodiment evidence of the utility model, the time ratio existing structure of dismounting and change counterweight has shortened more than 60%.
Description of drawings
Fig. 1 is the situation that the quick-release flap of the utility model is installed in flutter of aerofoil model frame section counterweight storehouse port, has omitted covering up and down among the figure.
Fig. 2 is Fig. 1 backsight shaft side figure.
Fig. 3 is the axle side structure scheme drawing of preceding quick-release flap in the utility model.
Fig. 4 is the structural representation of snap assembly in the utility model.
Fig. 5 is the axle side structure scheme drawing of back quick-release flap in the utility model.
The specific embodiment
Explain further details in the face of the utility model down.Referring to Fig. 1～5; Flutter of aerofoil model frame section counterweight storehouse quick-release flap; Counterweight storehouse and counterweight storehouse, back before flutter of aerofoil model frame section counterweight storehouse is divided into, the preceding border in preceding counterweight storehouse are No. 1 edge strip 3 adjacent with flutter of aerofoil model leading edge 2, and back border is a dividing plate 4; Left and right border along spanwise is adjacent wing floor 1, and lower boundary is a covering under the wing; Preceding border, back counterweight storehouse is No. 6 edge strips 6, and back border is a dividing plate 4, is adjacent wing floor 1 along the left and right border of spanwise, and the coboundary is a covering on the wing, and lower boundary is a covering under the wing; It is characterized in that,
(1) quick-release flap 7 is made up of two cover plate side muscle 7a, cover plate 7b, two latch hook carrier 7c, two barb 7d and two snap assemblies 9 before the flutter of aerofoil model frame section counterweight storehouse; The port in counterweight storehouse before cover plate 7b is embedded in, the trailing flank of the front edge of cover plate 7b and No. 1 edge strip 3 is fitted, and the leading flank of the lagging dege of cover plate 7b and dividing plate 4 is fitted; The both sides of the edge of cover plate 7b and wing floor 1 are fitted, and the profile coplane of covering on the outside face of cover plate 7b and the wing, cover plate side muscle 7a are that cross-sectional plane is the rib of rectangle; Cover plate side muscle 7a is positioned at the both sides of the edge of cover plate 7b; Cover plate side muscle 7a and cover plate 7b one shape, and the front end of cover plate side muscle 7a flushes with the front edge of cover plate 7b, and the rear end of cover plate side muscle 7a flushes with the lagging dege of cover plate 7b; Front edge at each cover plate side muscle 7a has a barb 7d; The lower surface of the root of barb 7d and cover plate side muscle 7a front edge is connected to integral body, the bill of barb 7d forward, the upper surface of barb 7d bill and the lower surface of No. 1 edge strip 3 are fitted; At the antemarginal lower surface of each cover plate side muscle 7a a latch hook carrier 7c is arranged; Latch hook carrier 7c and cover plate 7a one shape; The back surface of latch hook carrier 7c flushes with the lagging dege of cover plate 7a, and the lateral surface coplane of the lateral surface of latch hook carrier 7c and cover plate side muscle 7a has a stepped hole that connects cover plate 7a on latch hook carrier 7c; The large diameter hole of this stepped hole is opened on the upper surface of cover plate 7a, and the small diameter bore of this stepped hole is opened on the lower surface of cover plate side muscle 7a; A snap assembly 9 is installed in each stepped hole; Snap assembly 9 is made up of rotating shaft 9a, stage clip 9b and screw 9c; The rotating shaft 9a of step axle shape is installed in the stepped hole on the latch hook carrier 7c, and the center tapped blind hole is arranged on the lower surface of rotating shaft 9a, and the end of stage clip 9b has through hole; Screw 9c is fixed on the end of stage clip 9b on the lower surface of rotating shaft 9a; When snap assembly 9 was positioned at locked position, the other end of stage clip 9b was pushed down the lower surface of dividing plate fixture block 4a, and dividing plate fixture block 4a is fixed on the front surface of dividing plate 4;
(2) quick-release flap 8 is made up of two cover plate side muscle 8a, cover plate 8b, two latch hook carrier 8c, two barb 8d and two snap assemblies 9 behind the flutter of aerofoil model frame section counterweight storehouse; Cover plate 8b is embedded in the port in counterweight storehouse, back, and the leading flank of the lagging dege of cover plate 8b and No. 6 edge strips 3 is fitted, and the trailing flank of the front edge of cover plate 8b and dividing plate 4 is fitted; The both sides of the edge of cover plate 8b and wing floor 1 are fitted, and the profile coplane of covering on the outside face of cover plate 8b and the wing, cover plate side muscle 8a are that cross-sectional plane is the rib of rectangle; Cover plate side muscle 8a is positioned at the both sides of the edge of cover plate 8b; Cover plate side muscle 8a and cover plate 8b one shape, and the front end of cover plate side muscle 8a flushes with the front edge of cover plate 8b, and the rear end of cover plate side muscle 8a flushes with the lagging dege of cover plate 8b; Lagging dege at each cover plate side muscle 8a has a barb 8d; The root of barb 8d and the antemarginal lower surface of cover plate side muscle 8a are connected to integral body, the bill of barb 8d backward, the upper surface of barb 8d bill and the lower surface of No. 6 edge strips 3 are fitted; Lower surface at each cover plate side muscle 8a front edge has a latch hook carrier 8c; Latch hook carrier 8c and cover plate 8a one shape; The front surface of latch hook carrier 8c flushes with the front edge of cover plate 8a, and the lateral surface coplane of the lateral surface of latch hook carrier 8c and cover plate side muscle 8a has a stepped hole that connects cover plate 8a on latch hook carrier 8c; The large diameter hole of this stepped hole is opened on the upper surface of cover plate 8a, and the small diameter bore of this stepped hole is opened on the lower surface of cover plate side muscle 8a; A snap assembly 9 is installed in each stepped hole, and when snap assembly 9 was positioned at locked position, the other end of stage clip 9b was pushed down the lower surface of dividing plate fixture block 4a, and dividing plate fixture block 4a is fixed on the back surface of dividing plate 4.
The method of application of the utility model is:
(1) at first on the wing floor, fixes two rectangular quick-release flap collets 10; Quick-release flap collet 10 is positioned at wing floor top; Arrange respectively along tangential 30%, 70% erect-position; The cover plate side muscle lower surface of its upper surface and quick-release flap is fitted, and makes each quick-release flap receive the support of 4 flap collets 10 on the floor of both sides;
(2) on the dividing plate 4, with the quick-release flap on each fixing dividing plate fixture block 4a of two cooresponding positions of snap assembly as the locating part of stage clip, the cross section of dividing plate fixture block 4a is a rectangle;
(3) wing flutter model frame section counterweight storehouse quick-release flap is installed: barb 7d is stuck in edge strip 3 lower surfaces No. 1; The upper surface of quick-release flap side muscle lower surface and flap collet 10 is fitted; Turn snap assembly 9 upper surface of stage clip 9b and the lower surface of dividing plate fixture block 4a are fitted, the quick-release flap is locked;
(4) dismounting wing flutter model frame section counterweight storehouse quick-release flap: turn snap assembly 9 upper surface of stage clip 9b is left the lower surface of dividing plate fixture block 4a, can take off the quick-release flap.
Claims (1)
1. flutter of aerofoil model frame section counterweight storehouse quick-release flap; Counterweight storehouse and counterweight storehouse, back before flutter of aerofoil model frame section counterweight storehouse is divided into; The preceding border in preceding counterweight storehouse is No. 1 edge strip [3] adjacent with flutter of aerofoil model leading edge [2]; Back border is dividing plate [4], is adjacent wing floor [1] along the left and right border of spanwise, and lower boundary is a covering under the wing; Preceding border, back counterweight storehouse is No. 6 edge strips [6], and back border is dividing plate [4], is adjacent wing floor [1] along the left and right border of spanwise, and the coboundary is a covering on the wing, and lower boundary is a covering under the wing; It is characterized in that,
(1) quick-release flap [7] is made up of two cover plate side muscle [7a], cover plate [7b], two latch hook carriers [7c], two barbs [7d] and two snap assemblies [9] before the flutter of aerofoil model frame section counterweight storehouse; The port in counterweight storehouse before cover plate [7b] is embedded in; The trailing flank of the front edge of cover plate [7b] and No. 1 edge strip [3] is fitted, and the leading flank of the lagging dege of cover plate [7b] and dividing plate [4] is fitted, and the both sides of the edge of cover plate [7b] and wing floor [1] are fitted; The profile coplane of covering on the outside face of cover plate [7b] and the wing; Cover plate side muscle [7a] is that cross-sectional plane is the rib of rectangle, and cover plate side muscle [7a] is positioned at the both sides of the edge of cover plate [7b], and cover plate side muscle [7a] shapes with cover plate [7b] one; The front end of cover plate side muscle [7a] flushes with the front edge of cover plate [7b]; The rear end of cover plate side muscle [7a] flushes with the lagging dege of cover plate [7b], at the front edge of each cover plate side muscle [7a] barb [7d] is arranged, and the lower surface of the root of barb [7d] and cover plate side muscle [7a] front edge is connected to integral body; The bill of barb [7d] forward, the upper surface of barb [7d] bill and the lower surface of No. 1 edge strip [3] are fitted; At the antemarginal lower surface of each cover plate side muscle [7a] a latch hook carrier [7c] is arranged; Latch hook carrier [7c] shapes with cover plate [7a] one; The back surface of latch hook carrier [7c] flushes with the lagging dege of cover plate [7a]; The lateral surface coplane of the lateral surface of latch hook carrier [7c] and cover plate side muscle [7a]; A stepped hole that connects cover plate [7a] is arranged on latch hook carrier [7c], and the large diameter hole of this stepped hole is opened on the upper surface of cover plate [7a], and the small diameter bore of this stepped hole is opened on the lower surface of cover plate side muscle [7a]; A snap assembly [9] is installed in each stepped hole; Snap assembly [9] is made up of rotating shaft [9a], stage clip [9b] and screw [9c]; The rotating shaft [9a] of step axle shape is installed in the stepped hole on the latch hook carrier [7c], and the center tapped blind hole is arranged on the lower surface of rotating shaft [9a], and an end of stage clip [9b] has through hole; Screw [9c] is fixed on an end of stage clip [9b] on the lower surface of rotating shaft [9a]; When snap assembly [9] when being positioned at locked position, the other end of stage clip [9b] is pushed down the lower surface of dividing plate fixture block [4a], and dividing plate fixture block [4a] is fixed on the front surface of dividing plate [4];
(2) quick-release flap [8] is made up of two cover plate side muscle [8a], cover plate [8b], two latch hook carriers [8c], two barbs [8d] and two snap assemblies [9] behind the flutter of aerofoil model frame section counterweight storehouse; Cover plate [8b] is embedded in the port in counterweight storehouse, back; The leading flank of the lagging dege of cover plate [8b] and No. 6 edge strips [3] is fitted, and the trailing flank of the front edge of cover plate [8b] and dividing plate [4] is fitted, and the both sides of the edge of cover plate [8b] and wing floor [1] are fitted; The profile coplane of covering on the outside face of cover plate [8b] and the wing; Cover plate side muscle [8a] is that cross-sectional plane is the rib of rectangle, and cover plate side muscle [8a] is positioned at the both sides of the edge of cover plate [8b], and cover plate side muscle [8a] shapes with cover plate [8b] one; The front end of cover plate side muscle [8a] flushes with the front edge of cover plate [8b]; The rear end of cover plate side muscle [8a] flushes with the lagging dege of cover plate [8b], at the lagging dege of each cover plate side muscle [8a] barb [8d] is arranged, and the root of barb [8d] and the antemarginal lower surface of cover plate side muscle [8a] are connected to integral body; The bill of barb [8d] backward, the upper surface of barb [8d] bill and the lower surface of No. 6 edge strips [3] are fitted; Lower surface at each cover plate side muscle [8a] front edge has a latch hook carrier [8c]; Latch hook carrier [8c] shapes with cover plate [8a] one; The front surface of latch hook carrier [8c] flushes with the front edge of cover plate [8a]; The lateral surface coplane of the lateral surface of latch hook carrier [8c] and cover plate side muscle [8a]; A stepped hole that connects cover plate [8a] is arranged on latch hook carrier [8c], and the large diameter hole of this stepped hole is opened on the upper surface of cover plate [8a], and the small diameter bore of this stepped hole is opened on the lower surface of cover plate side muscle [8a]; A snap assembly [9] is installed in each stepped hole, and when snap assembly [9] when being positioned at locked position, the other end of stage clip [9b] is pushed down the lower surface of dividing plate fixture block [4a], and dividing plate fixture block [4a] is fixed on the back surface of dividing plate [4].
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120294947XU CN202226068U (en) | 2011-08-15 | 2011-08-15 | Quick demounting port cover for frame segment counterweight cabin of aerofoil flutter model |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120294947XU CN202226068U (en) | 2011-08-15 | 2011-08-15 | Quick demounting port cover for frame segment counterweight cabin of aerofoil flutter model |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202226068U true CN202226068U (en) | 2012-05-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120294947XU Expired - Lifetime CN202226068U (en) | 2011-08-15 | 2011-08-15 | Quick demounting port cover for frame segment counterweight cabin of aerofoil flutter model |
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| Country | Link |
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| CN (1) | CN202226068U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105571816A (en) * | 2014-10-11 | 2016-05-11 | 中国航空工业集团公司西安飞机设计研究所 | Combined flutter model with adjustable gap |
| CN113428378A (en) * | 2021-08-12 | 2021-09-24 | 中航西安飞机工业集团股份有限公司 | Wing rib positioning and inspection method |
-
2011
- 2011-08-15 CN CN201120294947XU patent/CN202226068U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105571816A (en) * | 2014-10-11 | 2016-05-11 | 中国航空工业集团公司西安飞机设计研究所 | Combined flutter model with adjustable gap |
| CN105571816B (en) * | 2014-10-11 | 2018-01-16 | 中国航空工业集团公司西安飞机设计研究所 | A kind of combined type flutter model of adjustable clearance |
| CN113428378A (en) * | 2021-08-12 | 2021-09-24 | 中航西安飞机工业集团股份有限公司 | Wing rib positioning and inspection method |
| CN113428378B (en) * | 2021-08-12 | 2023-10-20 | 中航西安飞机工业集团股份有限公司 | Wing rib positioning and checking method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120523 |
|
| CX01 | Expiry of patent term |