CN106218866A - A kind of backplate follower of undercarriage - Google Patents
A kind of backplate follower of undercarriage Download PDFInfo
- Publication number
- CN106218866A CN106218866A CN201610692930.7A CN201610692930A CN106218866A CN 106218866 A CN106218866 A CN 106218866A CN 201610692930 A CN201610692930 A CN 201610692930A CN 106218866 A CN106218866 A CN 106218866A
- Authority
- CN
- China
- Prior art keywords
- backplate
- toggle
- rocking arm
- undercarriage
- follower
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C25/00—Alighting gear
- B64C25/02—Undercarriages
- B64C25/08—Undercarriages non-fixed, e.g. jettisonable
- B64C25/10—Undercarriages non-fixed, e.g. jettisonable retractable, foldable, or the like
- B64C25/16—Fairings movable in conjunction with undercarriage elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C25/00—Alighting gear
- B64C25/02—Undercarriages
- B64C25/08—Undercarriages non-fixed, e.g. jettisonable
- B64C25/10—Undercarriages non-fixed, e.g. jettisonable retractable, foldable, or the like
- B64C25/18—Operating mechanisms
- B64C25/20—Operating mechanisms mechanical
Abstract
The invention discloses the backplate follower of a kind of undercarriage.The backplate follower of described undercarriage includes: the urceolus being vertically arranged, the fixing upper connecting shaft of its sidewall and lower connecting shaft；For the piston rod being fixedly linked with wheel hub, it is partially contained in described urceolus, and can move back and forth along the axis direction of urceolus and stretch out or retract；Upper toggle and lower toggle, on this, toggle and lower toggle are hinged and connected, and lower toggle is hinged and connected with described piston rod, and upper toggle is hinged and connected with described lower connecting shaft；And rocking arm, the middle part of this rocking arm is hinged and connected with the external part of described upper connecting shaft；Described rocking arm is flexibly connected by U-shaped pair with upper toggle, and described rocking arm is movably connected on backplate by U-shaped pair.The present invention solves after undercarriage lands with the damper leg compressed tires problem too small with protecting inter-plate gap, entirely ensure that simultaneously undercarriage stretch after backplate can fit tightly with fuselage mounted landing gear trousers.
Description
Technical field
The present invention relates to the backplate follower of a kind of undercarriage, belong to aircraft system field of structural design.
Background technology
Undercarriage backplate is a kind of form of hatch door, and the hatch door connected firmly with undercarriage when referring generally to folding and unfolding has been mainly used in
The pneumatic type of repairing at rear undercarriage collection position packed up by the frame that falls, and also undercarriage is had certain protective role simultaneously.
But, existing undercarriage backplate gap during undercarriage uses and between tire is too small, causes safeguarding
Get up very inconvenient.
Summary of the invention
It is desirable to provide the backplate follower of a kind of undercarriage, this backplate follower is ensureing the pneumatic of aircraft
On the premise of performance requirement, tire can be efficiently solved and during undercarriage uses, gap cross minor issue, and structure with backplate
Simply, dependable performance, easy maintenance, will be used widely at undercarriage design field.
To achieve these goals, the technical solution adopted in the present invention is:
A kind of backplate follower of undercarriage, it is structurally characterized in that, including:
The urceolus being vertically arranged, the fixing upper connecting shaft of its sidewall and lower connecting shaft；
For the piston rod being fixedly linked with wheel hub, it is partially contained in described urceolus, and can be past along the axis direction of urceolus
Move again and stretch out or retract；
Upper toggle and lower toggle, on this, one end of toggle and one end of lower toggle are hinged and connected, and lower toggle
The other end is hinged and connected with the lower end of described piston rod, the hinged phase of external part of the other end of upper toggle and described lower connecting shaft
Even；And
Rocking arm, the middle part of this rocking arm is hinged and connected with the external part of described upper connecting shaft；
One end of described rocking arm is flexibly connected by U-shaped pair with the middle part of upper toggle, and the other end of described rocking arm is by U-shaped pair
It is movably connected on backplate.
The present invention utilizes the straight line compression motion of damper leg self, the various pull bar of appropriate design and joint so that it is drive
Backplate follow-up motion.The present invention creatively utilizes ball pair secondary, U-shaped and the combination of revolute, achieves undercarriage dexterously and delays
Rush that pillar is flexible drives backplate follow-up motion, solve after undercarriage lands with damper leg compressed tires with protect inter-plate gap mistake
Little problem, ensure that simultaneously undercarriage entirely stretch after backplate can fit tightly with fuselage mounted landing gear trousers.
According to embodiments of the invention, it is also possible to the present invention is further optimized, below for the skill formed after optimizing
Art scheme:
Preferably, the U-shaped pair between described rocking arm and upper toggle includes lower link and lower contact；Live in one end of described lower link
Being automatically connected on described rocking arm, the other end of this lower link is flexibly connected with one end of lower contact, the other end of this lower contact with
Described upper toggle is flexibly connected.Further, ball is formed between described lower link and upper toggle secondary.
Preferably, the U-shaped secondary activity between described rocking arm and backplate includes upper connecting rod and top connection；The one of described upper connecting rod
End is movably connected on described rocking arm, and the other end of this upper connecting rod is flexibly connected with one end of top connection, another of this top connection
End is flexibly connected with described backplate.Further, ball is formed between described upper connecting rod and described rocking arm secondary.
Preferably, described backplate includes the upper guard board being fixedly linked with urceolus, the lower backplate being hinged and connected with upper guard board；Institute
State and be movably connected by U-shaped pair between lower backplate and rocking arm.
Compared with prior art, the invention has the beneficial effects as follows: the backplate follower of the present invention is ensureing the gas of aircraft
On the premise of dynamic performance requirement, solve tire and during undercarriage uses, gap cross minor issue, and simple in construction with backplate,
Dependable performance, easy maintenance, the feature such as applied range, it is particularly suitable for landing-gear-door mechanism design, will rise at aircraft
The frame design field that falls is used widely.
Accompanying drawing explanation
Fig. 1 is the kinematic sketch of an embodiment of the present invention；
Fig. 2 is the present invention structural representation when damper leg stretches entirely；
Fig. 3 is I position detailed view in Fig. 2；
Fig. 4 is the present invention structural representation when damper leg full compression.
In the drawings
1-piston rod；2-tire；Toggle under 3-；The upper toggle of 4-；Backplate under 5-；6-rocking arm；7-lower contact；8-lower link；
9-upper connecting rod；10-top connection；11-urceolus；Connecting shaft under 12-；The upper connecting shaft of 13-；14-upper guard board；Under A-, backplate does not moves it
Front position；B-upper guard board and the demarcation line of lower backplate；C-upper guard board and the hinge point of lower backplate.
Detailed description of the invention
Below with reference to accompanying drawing and describe the present invention in detail in conjunction with the embodiments.It should be noted that in the feelings do not conflicted
Under condition, the embodiment in the present invention and the feature in embodiment can be mutually combined.For sake of convenience, hereinafter as occurred
On " ", D score, "left", "right" printed words, only represent consistent with the direction, upper and lower, left and right of accompanying drawing itself, structure is not played limit
It is set for using.
A kind of backplate follower of undercarriage, as Figure 1-4, mainly have by urceolus, piston rod, toggle, under connect
Head, top connection, lower link, upper connecting rod, rocking arm and backplate etc. form, and urceolus 11 is fixed, and forms cylindrical pair, tire 3 with piston rod 1
By wheel hub and solid rod joint.
As it is shown in figure 1, piston rod 1 and lower toggle 3, lower toggle 3 and upper toggle 4, upper toggle 4 and urceolus 11 are equal
Composition revolute.Lower link 8 lower end realizes being connected with the ball pivot of upper toggle 4 by the bearing installed on it, connects under upper end
7 connecting rocker arms 6 form U-shaped pair.Rocking arm 6 utilizes the upper connecting shaft 12 stretched out on urceolus 11 to form revolute.Upper connecting rod 9 right-hand member
Forming ball pair with rocking arm 6, left end top connection 10 connects lower backplate 5 and forms U-shaped pair.Lower backplate 5 with connect firmly on urceolus 11
Upper guard board 14 forms revolute.
When gear tyre 2 stand under load compresses, piston rod 1 is driven to compress, then by upper toggle 4, lower toggle 3
Rotating, drive lower link 8 to pull rocking arm 6 to rotate, rocking arm 6 rotates and drives upper connecting rod 9 to move, so that lower backplate 11 outwards realizes
Opening movement.
In sum, the invention utilize ball pair secondary, U-shaped and the combination of revolute, it is achieved that undercarriage buffer
Pillar is flexible drives backplate follow-up motion, solves after undercarriage lands with damper leg compressed tires with to protect inter-plate gap too small
Problem, ensure that simultaneously undercarriage entirely stretch after backplate can fit tightly with fuselage mounted landing gear trousers.
The content that above-described embodiment illustrates should be understood to that these embodiments are only used for being illustrated more clearly that the present invention, and not
For limiting the scope of the present invention, after having read the present invention, the those skilled in the art's various equivalent form of values to the present invention
Amendment each fall within the application claims limited range.
Claims (6)
1. the backplate follower of a undercarriage, it is characterised in that including:
The urceolus (11) being vertically arranged, the fixing upper connecting shaft (12) of its sidewall and lower connecting shaft (13)；
For the piston rod (1) being fixedly linked with wheel hub, it is partially contained in described urceolus (11), and can be along urceolus (11)
Axis direction moves back and forth and stretches out or retract；
Upper toggle (4) and lower toggle (3), on this, one end of toggle (4) and one end of lower toggle (3) are hinged and connected,
And the lower other end of toggle (3) is hinged and connected with the lower end of described piston rod (1), the other end of upper toggle (4) is with described
The external part of lower connecting shaft (13) is hinged and connected；And
Rocking arm (6), the middle part of this rocking arm (6) is hinged and connected with the external part of described upper connecting shaft (12)；
One end of described rocking arm (6) is flexibly connected by U-shaped pair with the middle part of upper toggle (4), the other end of described rocking arm (6)
It is movably connected on backplate by U-shaped pair.
The backplate follower of undercarriage the most according to claim 1, it is characterised in that described rocking arm (6) and upper torsion
U-shaped pair between arm (4) includes lower link (8) and lower contact (7)；One end of described lower link (8) is shaken described in being movably connected in
On arm (6), the other end of this lower link (8) is flexibly connected with one end of lower contact (7), the other end of this lower contact (7) and institute
State toggle (4) to be flexibly connected.
The backplate follower of undercarriage the most according to claim 2, it is characterised in that described lower link (8) and upper torsion
Ball is formed secondary between the arm of force (4).
The backplate follower of undercarriage the most according to claim 1, it is characterised in that described rocking arm (6) and backplate it
Between U-shaped secondary activity include upper connecting rod (9) and top connection (10)；One end of described upper connecting rod (9) is movably connected in described rocking arm
(6) on, the other end of this upper connecting rod (9) is flexibly connected with one end of top connection (10), the other end of this top connection (10) and institute
State backplate to be flexibly connected.
The backplate follower of undercarriage the most according to claim 4, it is characterised in that described upper connecting rod (9) is with described
Ball is formed secondary between rocking arm (6).
6. according to the backplate follower of the undercarriage one of claim 1-5 Suo Shu, it is characterised in that described backplate include with
The upper guard board (14) that urceolus (11) is fixedly linked, the lower backplate (5) being hinged and connected with upper guard board (14)；Described lower backplate (5) with
Rocking arm is movably connected by U-shaped pair between (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610692930.7A CN106218866B (en) | 2016-08-19 | 2016-08-19 | A kind of backplate follower of undercarriage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610692930.7A CN106218866B (en) | 2016-08-19 | 2016-08-19 | A kind of backplate follower of undercarriage |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106218866A true CN106218866A (en) | 2016-12-14 |
| CN106218866B CN106218866B (en) | 2018-07-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610692930.7A Active CN106218866B (en) | 2016-08-19 | 2016-08-19 | A kind of backplate follower of undercarriage |
Country Status (1)
| Country | Link |
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| CN (1) | CN106218866B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107380406A (en) * | 2017-07-13 | 2017-11-24 | 江西洪都航空工业集团有限责任公司 | A kind of aircraft backplate joins breaking mechanism |
| CN108100237A (en) * | 2017-11-30 | 2018-06-01 | 江西洪都航空工业集团有限责任公司 | A kind of type aircraft backplate joins breaking mechanism |
| CN109720555A (en) * | 2018-11-12 | 2019-05-07 | 中航通飞研究院有限公司 | A kind of servo-actuated hatch door of large size undercarriage |
| CN109720538A (en) * | 2018-11-12 | 2019-05-07 | 中航通飞研究院有限公司 | A kind of airframe side is built-in to take turns cabin structure |
| CN109850132A (en) * | 2018-12-07 | 2019-06-07 | 中国航空工业集团公司成都飞机设计研究所 | A kind of detachable undercarriage contracting leg mechanism |
| CN110576966A (en) * | 2019-09-29 | 2019-12-17 | 中国直升机设计研究所 | Strut type undercarriage |
| CN114771810A (en) * | 2022-06-24 | 2022-07-22 | 西安羚控电子科技有限公司 | Undercarriage system and unmanned aerial vehicle on warship |
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| US20100032521A1 (en) * | 2005-11-21 | 2010-02-11 | Airbus France | Landing gear casing provided with a dissociated structure |
| US20120132742A1 (en) * | 2010-10-18 | 2012-05-31 | Honda Patents & Technologies North America, Llc | Quick release assembly for aircraft landing gear |
| CN102568874A (en) * | 2011-12-13 | 2012-07-11 | 江西洪都航空工业集团有限责任公司 | Electric switch trigger mechanism on actuating cylinder |
| CN104176244A (en) * | 2014-09-17 | 2014-12-03 | 江西洪都航空工业集团有限责任公司 | Linked landing gear cabin door folding and unfolding device |
| CN105056543A (en) * | 2015-08-03 | 2015-11-18 | 金剑 | Five-link nose landing gear |
| CN105584628A (en) * | 2015-10-27 | 2016-05-18 | 成都飞机工业（集团）有限责任公司 | Guard plate and landing gear linkage retracting device |
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2016
- 2016-08-19 CN CN201610692930.7A patent/CN106218866B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100032521A1 (en) * | 2005-11-21 | 2010-02-11 | Airbus France | Landing gear casing provided with a dissociated structure |
| US20120132742A1 (en) * | 2010-10-18 | 2012-05-31 | Honda Patents & Technologies North America, Llc | Quick release assembly for aircraft landing gear |
| CN102568874A (en) * | 2011-12-13 | 2012-07-11 | 江西洪都航空工业集团有限责任公司 | Electric switch trigger mechanism on actuating cylinder |
| CN104176244A (en) * | 2014-09-17 | 2014-12-03 | 江西洪都航空工业集团有限责任公司 | Linked landing gear cabin door folding and unfolding device |
| CN105056543A (en) * | 2015-08-03 | 2015-11-18 | 金剑 | Five-link nose landing gear |
| CN105584628A (en) * | 2015-10-27 | 2016-05-18 | 成都飞机工业（集团）有限责任公司 | Guard plate and landing gear linkage retracting device |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107380406A (en) * | 2017-07-13 | 2017-11-24 | 江西洪都航空工业集团有限责任公司 | A kind of aircraft backplate joins breaking mechanism |
| CN107380406B (en) * | 2017-07-13 | 2020-04-28 | 江西洪都航空工业集团有限责任公司 | Aircraft backplate allies oneself with disconnected mechanism |
| CN108100237A (en) * | 2017-11-30 | 2018-06-01 | 江西洪都航空工业集团有限责任公司 | A kind of type aircraft backplate joins breaking mechanism |
| CN108100237B (en) * | 2017-11-30 | 2021-01-05 | 江西洪都航空工业集团有限责任公司 | Novel aircraft backplate allies oneself with disconnected mechanism |
| CN109720555A (en) * | 2018-11-12 | 2019-05-07 | 中航通飞研究院有限公司 | A kind of servo-actuated hatch door of large size undercarriage |
| CN109720538A (en) * | 2018-11-12 | 2019-05-07 | 中航通飞研究院有限公司 | A kind of airframe side is built-in to take turns cabin structure |
| CN109850132A (en) * | 2018-12-07 | 2019-06-07 | 中国航空工业集团公司成都飞机设计研究所 | A kind of detachable undercarriage contracting leg mechanism |
| CN110576966A (en) * | 2019-09-29 | 2019-12-17 | 中国直升机设计研究所 | Strut type undercarriage |
| CN114771810A (en) * | 2022-06-24 | 2022-07-22 | 西安羚控电子科技有限公司 | Undercarriage system and unmanned aerial vehicle on warship |
| CN114771810B (en) * | 2022-06-24 | 2022-09-13 | 西安羚控电子科技有限公司 | Undercarriage system and unmanned aerial vehicle on warship |
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|---|---|
| CN106218866B (en) | 2018-07-27 |
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