CN109131846A - A kind of undercarriage hand steering gear - Google Patents
A kind of undercarriage hand steering gear Download PDFInfo
- Publication number
- CN109131846A CN109131846A CN201810824477.XA CN201810824477A CN109131846A CN 109131846 A CN109131846 A CN 109131846A CN 201810824477 A CN201810824477 A CN 201810824477A CN 109131846 A CN109131846 A CN 109131846A
- Authority
- CN
- China
- Prior art keywords
- undercarriage
- fixedly connected
- buffer pocket
- turns
- rotation axis
- 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
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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
- B64C25/18—Operating mechanisms
- B64C25/26—Control or locking systems therefor
- B64C25/30—Control or locking systems therefor emergency actuated
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Forklifts And Lifting Vehicles (AREA)
- Vibration Dampers (AREA)
Abstract
The invention discloses a kind of undercarriage hand steering gears, including undercarriage case, rotating base is fixedly connected on the left of the undercarriage chamber interior wall, rotation axis is rotatably connected at the top of the rotating base, the top of rotation axis runs through undercarriage case and extends to the top of undercarriage case, one end that rotation axis is located at undercarriage box top is fixedly connected with steering wheel disc, the surface of rotation axis is arranged with rotate gear, the side of rotate gear is engaged with undercarriage and turns to tooth plate, fixture block is fixedly connected on the right side of undercarriage chamber interior wall, undercarriage turns to the side of tooth plate and the inner wall of fixture block is rotatablely connected, the present invention relates to undercarriage technical fields.The undercarriage hand steering gear, it is impaired to solve undercarriage auto-steering function, the problem of aircraft has huge security risk in landing effectively raises safety coefficient of the aircraft when wheel electric powered steering function is impaired, reduces operation difficulty of the crew in face of failure when.
Description
Technical field
The present invention relates to undercarriage technical field, specially a kind of undercarriage hand steering gear.
Background technique
Aircraft refers to that the power device with a tool or more tool engines generates the thrust advanced or pulling force, by consolidating for fuselage
Determine wing and generate lift, in the aircraft for overweighting air of endoatmosphere flight.Aircraft is one of the most common type fixed-wing aviation
Device.The engine type used according to it can be divided into jet airplane and propeller aeroplane again.Take-off and landing device rises for aircraft
Fly, land and slide and supports aircraft.The front-wheel of aircraft is deflectable, for controlling direction when ground taxi.On the main wheel of aircraft
Equipped with brake gear independent.Undercarriage is aircraft lower part for taking off landing or when ground (water surface) slides supports aircraft
And the accessories apparatus mobile for ground (water surface).Undercarriage is a kind of unique component for supporting whole airplane, therefore it is winged
The inseparable scarce some of machine；Without it, aircraft just cannot be in ground moving.After taking off, flying quality can be regarded and
Withdraw undercarriage.With ground violent shock occurs for aircraft in touchdown moment or when high ski-running is run on uneven runway,
In addition to pneumatic tire can play fraction buffer function, most of Impact energy will lean on absorber.Using most on modern aircraft
Wide is oleo-pneumatic damper.When damper, which is impacted, to be compressed, air functions as spring, storing energy.
Traditional undercarriage is electronic manipulation, user of service operate it is very convenient, if people is overhauled on ground
For member because work carelessness causes undercarriage auto-steering function impaired, aircraft has huge security risk in landing.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of undercarriage hand steering gears, solve undercarriage certainly
The problem of dynamic turning function is impaired, and aircraft has huge security risk in landing.
In order to achieve the above object, the present invention is achieved by the following technical programs: a kind of undercarriage hand steering gear,
Including undercarriage case, rotating base, the top rotation of the rotating base are fixedly connected on the left of the undercarriage chamber interior wall
It is connected with rotation axis, the top of the rotation axis runs through undercarriage case and extends to the top of undercarriage case, the rotation axis
It is fixedly connected with steering wheel disc positioned at one end of undercarriage box top, the surface of the rotation axis is arranged with rotate gear, described
The side of rotate gear is engaged with undercarriage and turns to tooth plate, is fixedly connected with fixture block on the right side of the undercarriage chamber interior wall, described
Undercarriage turns to the side of tooth plate and the inner wall of fixture block is rotatablely connected, and the undercarriage turns to be fixedly connected on the left of tooth plate bottom
There is fixed block, the surface pivots of the fixed block are connected with the telescopic mast that rises and falls, and the right side that the undercarriage turns to tooth plate bottom turns
Dynamic to be connected with electric powered steering bar, the bottom end of the electric powered steering bar is fixedly connected with support telescopic column, the support telescopic column
Bottom end is fixedly connected with buffer pocket, and adjustable spring is fixedly connected at the top of the buffer pocket inner wall, and the adjustable spring is separate
One end of buffer pocket inner wall is fixedly connected with sliding panel.
Preferably, two sides of the two sides of the sliding panel respectively with buffer pocket inner wall are slidably connected, the bottom of the sliding panel
Portion is fixedly connected with support rod.
Preferably, the bottom end of the support rod runs through buffer pocket and extends to the bottom of buffer pocket, the support rod position
Movable pulley is fixedly connected in one end of buffer pocket bottom.
Preferably, the left pivot movement of one end of the telescopic mast that rises and falls and buffer pocket connects.
Preferably, connecting plate is fixedly connected on the right side of the buffer pocket, side of the connecting plate far from buffer pocket is solid
Surely it is connected with baffle.
Preferably, the undercarriage turns to and is fixedly connected with lifting post at the top of tooth plate, the top of the lifting post with rise
It falls at the top of frame chamber interior wall and is fixedly connected.
Beneficial effect
The present invention provides a kind of undercarriage hand steering gears.Have it is following the utility model has the advantages that
(1), undercarriage hand steering gear, by being rotatably connected to rotation axis, the top of rotation axis at the top of rotating base
Through undercarriage case and the top of undercarriage case is extended to, one end that rotation axis is located at undercarriage box top, which is fixedly connected with, to be turned
To wheel disc, the surface of rotation axis is arranged with rotate gear, and the side of rotate gear is engaged with undercarriage and turns to tooth plate, undercarriage case
Fixture block is fixedly connected on the right side of inner wall, undercarriage turns to the side of tooth plate and the inner wall of fixture block is rotatablely connected, and undercarriage turns to
Fixed block is fixedly connected on the left of tooth plate bottom, the surface pivots of fixed block are connected with the telescopic mast that rises and falls, rotation axis, rotation
Tooth, wheel undercarriage turn to the joint setting of tooth plate and fixture block, solve undercarriage auto-steering function and are damaged, aircraft is in landing
The problem of having huge security risk effectively raises safety coefficient of the aircraft when wheel electric powered steering function is impaired, drop
Low crew faces operation difficulty when failure.
(2), the undercarriage hand steering gear is turned to by undercarriage and is rotatably connected to electric rotating on the right side of tooth plate bottom
To bar, the bottom end of electric powered steering bar is fixedly connected with support telescopic column, and the bottom end of support telescopic column is fixedly connected with buffer pocket, delays
It rushes at the top of box inner wall and is fixedly connected with adjustable spring, adjustable spring is fixedly connected with sliding far from one end of buffer pocket inner wall
Plate, connecting plate are fixedly connected with baffle far from the side of buffer pocket, and telescopic mast improves after aircraft encounters impact in landing
Stability, buffer spring group ensure that wheel encounters the reliability of runway not usually in forced landing, and baffle can guarantee machine
Cabin is not influenced flow-disturbing by altitude air, and lifting post makes undercarriage more stable when turning to tooth plate rotation.
Detailed description of the invention
Fig. 1 is the structural schematic diagram inside the present invention；
Fig. 2 is the partial enlarged view in Fig. 1 of the present invention at A；
Fig. 3 is the top view that undercarriage of the present invention turns to toothed plate structure.
In figure: 1- undercarriage case, 2- rotating base, 3- rotation axis, 4- turn to wheel disc, 5- rotate gear, 6- undercarriage and turn
It is sliding to rise and fall telescopic mast, 10- support telescopic column, 11- buffer pocket, 12- adjustable spring, 13- of tooth plate, 7- fixture block, 8- fixed block, 9-
Movable plate, 14- support rod, 15- movable pulley, 16- connecting plate, 17- baffle, 18- lifting post, 19- electric powered steering bar.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-3 is please referred to, the present invention provides a kind of technical solution: a kind of undercarriage hand steering gear, including undercarriage
Case 1 is fixedly connected with rotating base 2 on the left of 1 inner wall of undercarriage case, and the top of rotating base 2 is rotatably connected to rotation axis 3,
The top of rotation axis 3 runs through undercarriage case 1 and extends to the top of undercarriage case 1, and rotation axis 3 is located at 1 top of undercarriage case
One end be fixedly connected with and turn to wheel disc 4, the surface of rotation axis 3 is arranged with rotate gear 5, and the side of rotate gear 5 is engaged with
Undercarriage turns to tooth plate 6, and it is circle that undercarriage, which turns to tooth plate 6, is fixedly connected with fixture block 7, fixture block on the right side of 1 inner wall of undercarriage case
7 are rotatably connected to pulley close to the side that undercarriage turns to tooth plate 6, guarantee that undercarriage steering tooth plate 6 is smooth in inner rotation, right
Undercarriage, which turns to tooth plate 6, has supporting role, and undercarriage turns to the side of tooth plate 6 and the inner wall of fixture block 7 is rotatablely connected, undercarriage
It turns to and is fixedly connected with fixed block 8 on the left of 6 bottom of tooth plate, the surface pivots of fixed block 8 are connected with the telescopic mast 9 that rises and falls, rise and fall
Frame turns to and is rotatably connected to electric powered steering bar 19 on the right side of 6 bottom of tooth plate, and electric powered steering bar 19 is electrically powered steering apparatus using same, electric rotating
It is fixedly connected with support telescopic column 10 to the bottom end of bar 19, the bottom end of support telescopic column 10 is fixedly connected with buffer pocket 11, buffering
Adjustable spring 12 is fixedly connected at the top of 11 inner wall of box, adjustable spring 12 is fixedly connected with far from one end of 11 inner wall of buffer pocket
Sliding panel 13, two sides of the two sides of sliding panel 13 respectively with 11 inner wall of buffer pocket are slidably connected, and the bottom of sliding panel 13 is fixed to be connected
It is connected to support rod 14, the bottom end of support rod 14 runs through buffer pocket 11 and extends to the bottom of buffer pocket 11, and support rod 14 is located at
One end of 11 bottom of buffer pocket is fixedly connected with movable pulley 15, and the one end for the telescopic mast 9 that rises and falls and the left pivot movement of buffer pocket 11 connect
It connects, the right side of buffer pocket 11 is fixedly connected with connecting plate 16, and connecting plate 16 is fixedly connected with baffle far from the side of buffer pocket 11
17, baffle 17 is expansion plate, after wheel withdraws cabin, has the function of nacelle cover, the top that undercarriage turns to tooth plate 6 is solid
Surely it is connected with lifting post 18, is fixedly connected at the top of the top of lifting post 18 and 1 inner wall of undercarriage case.
When work, crew opens the telescopic mast 9 that rises and falls when landing, and movable pulley 15 is ajusted in vertical drop posture, control
After personnel have found 19 failure of electric powered steering bar, the control for turning to wheel disc 4 can be taken over immediately, and rotation turns to according to the actual situation
Wheel disc 4, when turning to the left-hand rotation of wheel disc 4, rotation axis 3 drives rotate gear 5 to turn left along the top of rotating base 2, and undercarriage turns to
Tooth plate 6 is turned right around lifting post 18, and movable pulley 15 is turned right, and is similarly turned to movable pulley 15 when wheel disc 4 is turned right and is turned left, when wheel contacts
When runway, support telescopic column 10, which is compressed, buffers fuselage weight, and when runway surface contains minute asperities face, movable pulley 15 is pushed away
Dynamic support rod 14, while sliding panel 13 being made to squeeze the adjustable spring 12 inside buffer pocket 11.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of undercarriage hand steering gear, including undercarriage case (1), it is characterised in that: undercarriage case (1) inner wall
Left side is fixedly connected with rotating base (2), is rotatably connected to rotation axis (3), the rotation axis at the top of the rotating base (2)
(3) top runs through undercarriage case (1) and extends to the top of undercarriage case (1), and the rotation axis (3) is located at undercarriage case
(1) one end at the top of, which is fixedly connected with, turns to wheel disc (4), and the surface of the rotation axis (3) is arranged with rotate gear (5), described
The side of rotate gear (5) is engaged with undercarriage and turns to tooth plate (6), is fixedly connected on the right side of undercarriage case (1) inner wall
The inner wall of fixture block (7), side and fixture block (7) that the undercarriage turns to tooth plate (6) is rotatablely connected, and the undercarriage turns to tooth plate
(6) it being fixedly connected on the left of bottom fixed block (8), the surface pivots of the fixed block (8) are connected with the telescopic mast that rises and falls (9),
The undercarriage turns to be rotatably connected to electric powered steering bar (19) on the right side of tooth plate (6) bottom, the electric powered steering bar (19)
Bottom end is fixedly connected with support telescopic column (10), and the bottom end of the support telescopic column (10) is fixedly connected with buffer pocket (11), institute
It states and is fixedly connected with adjustable spring (12) at the top of buffer pocket (11) inner wall, the adjustable spring (12) is far from buffer pocket (11)
One end of wall is fixedly connected with sliding panel (13).
2. a kind of undercarriage hand steering gear according to claim 1, it is characterised in that: the two of the sliding panel (13)
Two sides of the side respectively with buffer pocket (11) inner wall are slidably connected, and the bottom of the sliding panel (13) is fixedly connected with support rod
(14).
3. a kind of undercarriage hand steering gear according to claim 2, it is characterised in that: the bottom of the support rod (14)
End runs through buffer pocket (11) and extends to the bottom of buffer pocket (11), and the support rod (14) is located at buffer pocket (11) bottom
One end is fixedly connected with movable pulley (15).
4. a kind of undercarriage hand steering gear according to claim 1, it is characterised in that: the telescopic mast that rises and falls (9)
One end connect with the left pivot movement of buffer pocket (11).
5. a kind of undercarriage hand steering gear according to claim 1, it is characterised in that: the right side of the buffer pocket (11)
Side is fixedly connected with connecting plate (16), and the connecting plate (16) is fixedly connected with baffle (17) far from the side of buffer pocket (11).
6. a kind of undercarriage hand steering gear according to claim 1, it is characterised in that: the undercarriage turns to tooth plate
(6) it is fixedly connected at the top of lifting post (18), the top of the lifting post (18) and the top of undercarriage case (1) inner wall are fixed
Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810824477.XA CN109131846B (en) | 2018-07-25 | 2018-07-25 | Manual steering device of undercarriage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810824477.XA CN109131846B (en) | 2018-07-25 | 2018-07-25 | Manual steering device of undercarriage |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109131846A true CN109131846A (en) | 2019-01-04 |
| CN109131846B CN109131846B (en) | 2022-05-10 |
Family
ID=64797696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810824477.XA Active CN109131846B (en) | 2018-07-25 | 2018-07-25 | Manual steering device of undercarriage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109131846B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112478143A (en) * | 2020-12-10 | 2021-03-12 | 江西瑞斯科救援科技有限公司 | Unmanned aerial vehicle adjusting support for landing in various terrains and using method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009100850A1 (en) * | 2008-02-13 | 2009-08-20 | Thyssenkrupp Presta Ag | Electrical power steering system with driven steering shaft |
| CN102390526A (en) * | 2011-10-19 | 2012-03-28 | 南京航空航天大学 | Rocker-arm-type bearable lock connecting rod emergency disengagement mechanism, system and method |
| CN106585706A (en) * | 2016-11-28 | 2017-04-26 | 施春燕 | Steering control device for pilotless automobile |
| CN107972853A (en) * | 2017-12-07 | 2018-05-01 | 佛山市神风航空科技有限公司 | Aerial photography aircraft undercarriage two level shock-damping structure |
| US10029642B2 (en) * | 2016-03-18 | 2018-07-24 | Hyundai America Technical Center, Inc | Enhanced steering system utilizing fixed dab for occupant protection in frontal impacts with laterial loading |
| CN108313118A (en) * | 2018-03-12 | 2018-07-24 | 刘柏城 | Steering assembly and vehicle |
-
2018
- 2018-07-25 CN CN201810824477.XA patent/CN109131846B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009100850A1 (en) * | 2008-02-13 | 2009-08-20 | Thyssenkrupp Presta Ag | Electrical power steering system with driven steering shaft |
| CN102390526A (en) * | 2011-10-19 | 2012-03-28 | 南京航空航天大学 | Rocker-arm-type bearable lock connecting rod emergency disengagement mechanism, system and method |
| US10029642B2 (en) * | 2016-03-18 | 2018-07-24 | Hyundai America Technical Center, Inc | Enhanced steering system utilizing fixed dab for occupant protection in frontal impacts with laterial loading |
| CN106585706A (en) * | 2016-11-28 | 2017-04-26 | 施春燕 | Steering control device for pilotless automobile |
| CN107972853A (en) * | 2017-12-07 | 2018-05-01 | 佛山市神风航空科技有限公司 | Aerial photography aircraft undercarriage two level shock-damping structure |
| CN108313118A (en) * | 2018-03-12 | 2018-07-24 | 刘柏城 | Steering assembly and vehicle |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112478143A (en) * | 2020-12-10 | 2021-03-12 | 江西瑞斯科救援科技有限公司 | Unmanned aerial vehicle adjusting support for landing in various terrains and using method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109131846B (en) | 2022-05-10 |
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