CN108891581A - A kind of wheel-steering mechanism - Google Patents
A kind of wheel-steering mechanism Download PDFInfo
- Publication number
- CN108891581A CN108891581A CN201810918142.4A CN201810918142A CN108891581A CN 108891581 A CN108891581 A CN 108891581A CN 201810918142 A CN201810918142 A CN 201810918142A CN 108891581 A CN108891581 A CN 108891581A
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- CN
- China
- Prior art keywords
- wheel
- steering
- axis
- spring steel
- positioning
- 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.)
- Pending
Links
- 230000007246 mechanism Effects 0.000 title claims abstract description 28
- 229910000639 Spring steel Inorganic materials 0.000 claims abstract description 26
- 238000009434 installation Methods 0.000 claims description 7
- 238000005555 metalworking Methods 0.000 claims description 4
- 238000013461 design Methods 0.000 claims description 2
- 238000005242 forging Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 5
- 230000008859 change Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C25/00—Alighting gear
- B64C25/32—Alighting gear characterised by elements which contact the ground or similar surface
- B64C25/34—Alighting gear characterised by elements which contact the ground or similar surface wheeled type, e.g. multi-wheeled bogies
- B64C25/36—Arrangements or adaptations of wheels, tyres or axles in general
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C25/00—Alighting gear
- B64C25/32—Alighting gear characterised by elements which contact the ground or similar surface
- B64C25/50—Steerable undercarriages; Shimmy-damping
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C25/00—Alighting gear
- B64C25/32—Alighting gear characterised by elements which contact the ground or similar surface
- B64C25/58—Arrangements or adaptations of shock-absorbers or springs
- B64C25/62—Spring shock-absorbers; Springs
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Steering Controls (AREA)
Abstract
The invention discloses a kind of wheel-steering mechanisms, including turning to wheel, hub unit is nested in the middle part of the steering wheel, the middle part fixing bolt of the hub unit is connected to positioning shaft sleeve, steering link is socketed in the middle part of the positioning shaft sleeve, the end of the steering link is socketed with main embedded axis, the master embeds axis outer surface and is nested with main outer shaft, tell that main outer shaft two sides are welded with the first positioning mould board, the front and rear sides of the main outer shaft are welded with the second positioning mould board, the top outer end face that the master embeds axis is equipped with helical spring steel, the side of first positioning mould board is chimeric auxiliary stopper axis.In the present invention, use new structure, it is U-shaped, synchronism, the accuracy of wheel steering are realized, while being provided with disc spring, the portion of energy generated in steering procedure can be absorbed, it avoids turning to and enormous impact is generated to mechanism, self-return is being realized to a certain degree, is provided with two groups of positioning mould boards, is entirely limited steering freedom degree.
Description
Technical field
The present invention relates to field of aviation machinery more particularly to a kind of wheel-steering mechanisms.
Background technique
Airplane design generally requires the cornering ability to turn around on the airfield runway of given grade also to want big aircraft
Ask has good maneuverability in the runway of one fixed width, is taking off and landing phases, and the ground of aircraft is turned fortune
It is dynamic to be manipulated by differential brake, change motor power difference or rotation aircraft nose landing gear, wherein differential brake is general
For rear bikini aircraft and light aerocraft, by using brake weight of different sizes to make left and right wheel on left and right wheel
The speed of rotation is different, realizes the steering requirement of aircraft, but differential brake can make the runway surface without paving generate corrosion, meeting
Lead to wheel overheat or wheel failure, changes engine pressure difference method and seldom use, because it is in the actual operation process
Not easy to control, as modern aircraft is using the ground controlling technical requirements of aircraft are increasingly improved, nose-gear manipulation can because of it
With improve brake service life, the landing of anti-side wind, tire accidentally blow out in accident can in terms of with significantly
Advantage, wider application has been obtained on modern aircraft.
Existing wheel-steering mechanism mostly uses greatly complicated hydraulic system, turns to wheel itself, to realize
The steering of entire aircraft, but since hydraulic system was affected by the problems such as temperature change, stability is insufficient, while light-duty
The higher cost that sport plane or baby plane use hydraulic system to be turned to.
Summary of the invention
The purpose of the present invention is to solve disadvantages existing in the prior art, and a kind of wheel-steering mechanism proposed.
To achieve the goals above, present invention employs following technical solutions：A kind of wheel-steering mechanism, including turning machine
It takes turns, is nested with hub unit in the middle part of the steering wheel, the middle part fixing bolt of the hub unit is connected to positioning shaft sleeve, described
Steering link is socketed in the middle part of positioning shaft sleeve, the end of the steering link is socketed with main embedded axis, and the master embeds outside axis
Surface is nested with main outer shaft, tells that main outer shaft two sides are welded with the first positioning mould board, the front and rear sides of the main outer shaft
It is welded with the second positioning mould board, the top outer end face that the master embeds axis is equipped with helical spring steel, first positioning mould board
Side is chimeric auxiliary stopper axis.
It is as above-mentioned technical proposal to further describe：
The shape of the helical spring steel is space plane spiral, and helical spring steel uses and forges and presses the disk that spring steel produces
Shape spring.
It is as above-mentioned technical proposal to further describe：
The hub unit is designed using web-type, and six groups of through-holes are offered between hub unit outer and positioning shaft sleeve.
It is as above-mentioned technical proposal to further describe：
The steering link end pass through hub unit middle part after from positioning shaft sleeve be pierced by after metal working at round end shape.
It is as above-mentioned technical proposal to further describe：
The other end of the steering link is entrenched in the inside of main embedded axis, and the other end of steering link bends to U-shaped, described
Rectangle blind slot is offered in the middle part of main embedded axis bottom, and the end U of the steering link other end is entrenched in main embedded axis bottom and opens up
Rectangular channel among.
It is as above-mentioned technical proposal to further describe：
The helical spring steel is mounted on the upper surface of main embedded axis, and the center end of helical spring steel bends to right angle, is fitted into
Into the middle part of main embedded axis, the other end of helical spring steel bends to right angle and is fitted into the center of auxiliary stopper axis.
It is as above-mentioned technical proposal to further describe：
Perpendicular to horizontal plane, the space installation site of the second positioning mould board is parallel for the spatial position of the first positioning mould board installation
In horizontal plane.
It in the present invention, using new structure, is designed using diagonal control arm U-shaped, realizes the synchronism, accurate of wheel steering
Property, while it being provided with disc spring on the surface of wheel-steering mechanism, the portion of energy generated in steering procedure can be absorbed, avoid machine
Rotate to when to mechanism generate enormous impact force, while using disc spring can realize to a certain extent wheel turn to after
Self-return is provided with two groups of positioning mould boards in the outside of steering mechanism, steering mechanism is avoided to produce except rotating around vertical axes
Raw extra freedom degree, the present invention is safe and practical, is worthy to be popularized.
Detailed description of the invention
Fig. 1 is a kind of main structure figure of wheel-steering mechanism proposed by the present invention；
Fig. 2 is a kind of side view of wheel-steering mechanism proposed by the present invention；
Fig. 3 is a kind of top view of wheel-steering mechanism proposed by the present invention；
Fig. 4 is Fig. 2 B-B direction cross-sectional view.
Marginal data：
1, wheel is turned to；2, hub unit；3, steering link；4, main embedded axis；5, main outer shaft；6, the first positioning mould board；7,
Helical spring steel；8, the second positioning mould board；9, auxiliary stopper axis；10, positioning shaft sleeve.
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.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention；Term " first ", " second ", " third "
It is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance；In addition, unless otherwise specific regulation and limit
Fixed, term " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, be also possible to detachably connect
It connects, or is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, intermediate matchmaker can also be passed through
Jie is indirectly connected, and can be the connection inside two elements.It for the ordinary skill in the art, can be with concrete condition
Understand the concrete meaning of above-mentioned term in the present invention.
Referring to Fig.1-4, a kind of wheel-steering mechanism, including wheel 1 is turned to, the middle part for turning to wheel 1 is nested with wheel hub set
Part 2, the middle part fixing bolt of hub unit 2 are connected to positioning shaft sleeve 10, and the middle part of positioning shaft sleeve 10 is socketed with steering link 3, turn to
The end of connecting rod 3 is socketed with main embedded axis 4, and main embedded 4 outer surface of axis is nested with main outer shaft 5, tells main 5 two sides of outer shaft weldering
It is connected to the first positioning mould board 6, the front and rear sides of main outer shaft 5 are welded with the second positioning mould board 8, the top outer end of main embedded axis 4
Face is equipped with helical spring steel 7, and the side of the first positioning mould board 6 is chimeric auxiliary stopper axis 9.
The shape of helical spring steel 7 is space plane spiral, and helical spring steel 7 uses and forges and presses the circle that spring steel produces
Disc spring avoids lateral deflection after disc spring stress, disc spring is caused to fail, and hub unit 2 is designed using web-type, in wheel hub
Six groups of through-holes are offered between 2 outer of component and positioning shaft sleeve 10, reduce the weight of entire steering mechanism, it is whole after reduction general assembly
The quality of machine, increases the utilization rate of overall mass, and 3 end of steering link passes through the middle part of hub unit 2 later from positioning shaft sleeve
10 be pierced by after metal working at round end shape, rigid connection both after metal working processing avoids steering mechanism from causing an accident, steering link
3 other end is entrenched in the inside of main embedded axis 4, and the other end of steering link 3 bends to U-shaped, main embedded 4 bottom of axis middle part
Rectangle blind slot is offered, and the end U of 3 other end of steering link is entrenched among the rectangular channel that main embedded 4 bottom of axis opens up, U
Shape structure absorbs part and turns to energy, while avoiding leading to understeer when pure shaft, and shaft turns to the generation in gap, spiral bullet
Spring steel 7 is mounted on the upper surface of main embedded axis 4, and the center end of helical spring steel 7 bends to right angle, is fitted into main embedded axis 4
Middle part, the other end of helical spring steel 7 bends to right angle and is fitted into the center of auxiliary stopper axis 9, and helical spring steel 7 is complete
It is fixed on the inside of main embedded axis 4, avoids the play of spring steel, the spatial position of the first positioning mould board 6 installation is perpendicular to level
Face, the space installation site of the second positioning mould board 8 are parallel to horizontal plane, and the orthogonal positioning mould board in spatial position can guarantee
Five freedom degrees of the steering mechanism itself in addition to rotation direction are completely restricted, and guarantee the steering accuracy of steering mechanism.
Working principle：When using the wheel-steering mechanism, user passes through driver by control control handle
Structure transfers force on helical spring steel 7, rear coil springs steel 7 due to completely fixed by auxiliary stopper axis 9 and main embedded axis 4
Position, therefore entire first positioning mould board 6, the second positioning mould board 8, main embedded axis 4 and main outer shaft 5 is driven to rotate synchronously, simultaneously
It is nested in the steering link 3 in the middle part of main embedded 4 bottom of axis to rotate, drives steering wheel 1 to rotate, realize the steering of wheel.
Finally it should be noted that：The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features,
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (7)
1. a kind of wheel-steering mechanism, including turn to wheel（1）, which is characterized in that the steering wheel（1）Middle part be nested with
Hub unit（2）, the hub unit（2）Middle part fixing bolt be connected to positioning shaft sleeve（10）, the positioning shaft sleeve（10）In
Portion is socketed with steering link（3）, the steering link（3）End be socketed with main embedded axis（4）, the master embeds axis（4）Outside
Surface is nested with main outer shaft（5）, tell main outer shaft（5）Two sides are welded with the first positioning mould board（6）, the main outer shaft
（5）Front and rear sides be welded with the second positioning mould board（8）, the master embeds axis（4）Top outer end face be equipped with helical spring steel
（7）, first positioning mould board（6）Side chimeric have auxiliary stopper axis（9）.
2. a kind of wheel-steering mechanism according to claim 1, which is characterized in that the helical spring steel（7）Shape
For space plane spiral, and helical spring steel（7）The disc spring produced using forging and stamping spring steel.
3. a kind of wheel-steering mechanism according to claim 1, which is characterized in that the hub unit（2）Using web
Formula design, in hub unit（2）Outer and positioning shaft sleeve（10）Between offer six groups of through-holes.
4. a kind of wheel-steering mechanism according to claim 1, which is characterized in that the steering link（3）End passes through
Hub unit（2）Middle part after from positioning shaft sleeve（10）Metal working is at round end shape after being pierced by.
5. a kind of wheel-steering mechanism according to claim 1, which is characterized in that the steering link（3）The other end
It is entrenched in main embedded axis（4）Inside, and steering link（3）The other end bend to U-shaped, the master embeds axis（4）In bottom
Portion offers rectangle blind slot, and steering link（3）The end U of the other end is entrenched in main embedded axis（4）The rectangular channel that bottom opens up
Among.
6. a kind of wheel-steering mechanism according to claim 1, which is characterized in that the helical spring steel（7）It is mounted on
Main embedded axis（4）Upper surface, helical spring steel（7）Center end bend to right angle, be fitted into main embedded axis（4）In
Portion, helical spring steel（7）The other end bend to right angle and be fitted into auxiliary stopper axis（9）Center.
7. a kind of wheel-steering mechanism according to claim 1, which is characterized in that first positioning mould board（6）Installation
Spatial position perpendicular to horizontal plane, the second positioning mould board（8）Space installation site be parallel to horizontal plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810918142.4A CN108891581A (en) | 2018-08-13 | 2018-08-13 | A kind of wheel-steering mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810918142.4A CN108891581A (en) | 2018-08-13 | 2018-08-13 | A kind of wheel-steering mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108891581A true CN108891581A (en) | 2018-11-27 |
Family
ID=64353754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810918142.4A Pending CN108891581A (en) | 2018-08-13 | 2018-08-13 | A kind of wheel-steering mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108891581A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB542648A (en) * | 1940-07-16 | 1942-01-21 | Maclaren Undercarriage Company | Improvements in aircraft steerable wheel mountings |
| CA1098420A (en) * | 1978-01-16 | 1981-03-31 | Frederick J. Adams | Steering gear assemblies |
| CN2915631Y (en) * | 2006-05-10 | 2007-06-27 | 杨九思 | Single wheel controlled two-wheeled steering mechanism for vehicle |
-
2018
- 2018-08-13 CN CN201810918142.4A patent/CN108891581A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB542648A (en) * | 1940-07-16 | 1942-01-21 | Maclaren Undercarriage Company | Improvements in aircraft steerable wheel mountings |
| CA1098420A (en) * | 1978-01-16 | 1981-03-31 | Frederick J. Adams | Steering gear assemblies |
| CN2915631Y (en) * | 2006-05-10 | 2007-06-27 | 杨九思 | Single wheel controlled two-wheeled steering mechanism for vehicle |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181127 |