CN107344614A - A kind of undercarriage buffer unit - Google Patents
A kind of undercarriage buffer unit Download PDFInfo
- Publication number
- CN107344614A CN107344614A CN201710588934.5A CN201710588934A CN107344614A CN 107344614 A CN107344614 A CN 107344614A CN 201710588934 A CN201710588934 A CN 201710588934A CN 107344614 A CN107344614 A CN 107344614A
- Authority
- CN
- China
- Prior art keywords
- dsah
- pot
- contiguous block
- fixedly connected
- buffer unit
- 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
- 230000035939 shock Effects 0.000 claims description 9
- 238000005096 rolling process Methods 0.000 claims description 6
- 230000003139 buffering effect Effects 0.000 abstract description 15
- 230000005484 gravity Effects 0.000 abstract description 8
- 238000013016 damping Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 8
- 239000006096 absorbing agent Substances 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000000630 rising effect Effects 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
- B64C25/58—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)
- Vibration Dampers (AREA)
Abstract
The invention discloses a kind of undercarriage buffer unit, including load pillar, the top of load pillar is fixedly connected with support frame, the right-hand member of support frame is fixedly connected with retraction jack, the bottom of load pillar is fixedly connected with the first dsah-pot, the inwall of first dsah-pot is connected with the first contiguous block, and the lower surface of contiguous block is fixedly connected with connecting pole, and the bottom of connecting pole through the lower surface of the first dsah-pot and is plugged with the second dsah-pot.The present invention is by setting the first dsah-pot, the second dsah-pot, the first contiguous block, the second contiguous block, connecting pole and buffer spring to cooperate; it is effectively protected damper; solves the flimsy problem of the excessive damper of the unexpected stress of undercarriage; by setting gag lever post and limiting plate to cooperate; the gravity of aircraft passes through the buffering of buffer spring; the setting of gag lever post and limiting plate, solves the problems, such as undercarriage buffer unit stress excessive deformation.
Description
Technical field
The present invention relates to aerospace equipment technical field, specially a kind of undercarriage buffer unit.
Background technology
With the development of society, the continuous improvement of people's economic level, aircraft turns into the common tool of people's trip, aircraft
Liked that the security of aircraft is high at present by people with its exclusive quick facility, risen and fallen to ensure aircraft flight
Normally, each flight terminates all carry out regular maintenance and maintenance, and undercarriage is exactly that aircraft is parked on ground, slides and taken off
It is used to support aircraft gravity when alightinging run, bears the device of respective loads, any artificial aircraft has what is lifted off
Process, and in addition to disposable rocket-powered missile and the spacecraft that need not be reclaimed, most aircraft have
Landing or recovery stage, for aircraft, realize this takeoff and anding（The taking-off and landing process of aircraft）The device master of function
It is exactly undercarriage.
Existing undercarriage mainly carries out damping by damper on undercarriage, flown typically when rising and falling sliding run
The pressure that machine is subject in the moment of landing becomes big, and damper is fragile.
The content of the invention
（One）The technical problem of solution
In view of the shortcomings of the prior art, the invention provides a kind of undercarriage buffer unit, solve on undercarriage
The flimsy problem of damper.
（Two）Technical scheme
To achieve the above object, the present invention provides following technical scheme：A kind of undercarriage buffer unit, including load branch
Post, the top of the load pillar are fixedly connected with support frame, and the right-hand member of support frame as described above is fixedly connected with retraction jack, institute
The bottom for stating load pillar is fixedly connected with the first dsah-pot, and the inwall of first dsah-pot is connected with the first connection
Block, the lower surface of contiguous block are fixedly connected with connecting pole, and the bottom of the connecting pole through the lower surface of the first dsah-pot and is inserted
The second dsah-pot is connected to, the end of the connecting pole is fixedly connected with the second contiguous block, and contiguous block is movably connected in the second buffering
The inwall of cylinder, the upper surface of first contiguous block and the lower surface centre position of the second contiguous block have been fixedly connected with buffering elastic
Spring, the other end of two buffer springs are respectively fixedly connected with the interior bottom of chamber of inner cavity top and the second dsah-pot in the first dsah-pot
Portion, the upper surface both sides of first contiguous block and the lower surface both sides of the second contiguous block are fixedly connected with limited location bar, described
The one end of gag lever post away from the first contiguous block and the second contiguous block is fixedly connected with limited location plate, the following table of second dsah-pot
Face is fixedly connected with shock structure, and damper is fixedly connected with by retaining collar between shock structure and the load pillar, described
The bottom of shock structure is fixedly connected with rolling wheel support, and the inner side of the rolling wheel support is fixedly connected with roller sheet by connection rotating shaft
Body.
Preferably, the gag lever post of the buffer spring both sides and limiting plate are symmetrical set on buffer spring.
Preferably, the damper is located at the left side of the first dsah-pot.
Preferably, the center of first dsah-pot and the second dsah-pot is on same vertical line.
Preferably, the shape of first contiguous block and the second contiguous block is cube, and the length and width of the first contiguous block are equal
Less than the length on the inside of the first dsah-pot and wide 2-3 millimeters, the length of the second contiguous block and the wide length being respectively less than on the inside of the second dsah-pot
With wide 2-3 millimeters.
Preferably, the connecting pole is connected with the bottom of the first dsah-pot and the top movable of the second dsah-pot.
（Three）Beneficial effect
The invention provides a kind of undercarriage buffer unit.Possesses following beneficial effect：
（1）The present invention is by setting the first dsah-pot, the second dsah-pot, the first contiguous block, the second contiguous block, connecting pole and buffering
Spring cooperates, and when aircraft is slided race and risen and fallen, the gravity of aircraft passes to buffer unit by load pillar, buffer unit
After buffer spring absorbs the brisance of part, then the damping by damper, damper is effectively protected, solves undercarriage
The flimsy problem of the unexpected excessive damper of stress.
（2）For the present invention by setting gag lever post and limiting plate to cooperate, the gravity of aircraft passes through the buffering of buffer spring,
The setting of gag lever post and limiting plate, when buffer spring is squeezed, the first buffering is respectively contacted at the top and bottom of limiting plate
After the inner cavity top and the second dsah-pot intracavity bottom of cylinder, damper carries out damping again, prevents buffer spring stress is excessive from causing
Deformation, simultaneous buffering spring absorb brisance, protect the use of landing gear absorber, solve undercarriage and delay to greatest extent
The problem of flushing device stress excessive deformation.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is enlarged drawing at A in Fig. 1.
In figure：1 load pillar, 2 support frames, 3 retraction jacks, 4 first dsah-pots, 5 first contiguous blocks, 6 buffer springs,
7 gag lever posts, 8 limiting plates, 9 connecting poles, 10 second dsah-pots, 11 second contiguous blocks, 13 retaining collars, 14 dampers, 15 rollers
Support, 16 roller bodies.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
As shown in Figure 1-2, the present invention provides a kind of technical scheme：A kind of undercarriage buffer unit, including load branch
Post 1, the top of load pillar 1 are fixedly connected with support frame 2, and the right-hand member of support frame 2 is fixedly connected with retraction jack 3, load
The bottom of pillar 1 is fixedly connected with the first dsah-pot 4, and the inwall of the first dsah-pot 4 is connected with the first contiguous block 5, connection
The lower surface of block 5 is fixedly connected with connecting pole 9, and the bottom of connecting pole 9 is through the lower surface of the first dsah-pot 4 and is plugged with second
Dsah-pot 10, the end of connecting pole 9 are fixedly connected with the second contiguous block 11, and contiguous block 11 is movably connected in the second dsah-pot 10
Inwall, connecting pole 9 are connected with the bottom of the first dsah-pot 4 and the top movable of the second dsah-pot 10, are easy to connecting pole 9 and first
Contiguous block 5 is fixedly connected with the second contiguous block 11, the center of the first dsah-pot 4 and the second dsah-pot 10 on same vertical line,
It is easy to the stable delivery of aircraft gravity, the shape of the first contiguous block 5 and the second contiguous block 11 is cube, the first contiguous block 5
Long and the wide length for being respectively less than the inner side of the first dsah-pot 4 and wide 2-3 millimeters, the length of the second contiguous block 11 and wide respectively less than the second buffering
The length of the inner side of cylinder 10 and wide 2-3 millimeters, the activity in the first dsah-pot 4 of the first contiguous block 5 are engaged damping with buffer spring 6,
The activity in the second dsah-pot 10 of second contiguous block 11 is engaged damping with buffer spring 6, the upper surface of the first contiguous block 5 and the
The lower surface centre position of two contiguous blocks 11 has been fixedly connected with buffer spring 6, and the other end of two buffer springs 6 is fixed respectively
The inner cavity top of the first dsah-pot 4 and the intracavity bottom of the second dsah-pot 10 are connected to, the gravity of aircraft passes by load pillar 1
Pass buffer unit, after the buffer spring 6 of buffer unit absorbs the brisance of part, then the damping by damper 14, effectively
The lower surface both sides of protection damper 14, the upper surface both sides of the first contiguous block 5 and the second contiguous block 11 are fixedly connected with limited
Position bar 7, the one end of gag lever post 7 away from the first contiguous block 5 and the second contiguous block 11 is fixedly connected with limited location plate 8, buffer spring 6
The gag lever post 7 and limiting plate 8 of both sides are symmetrical set on buffer spring 6, and gag lever post 7 and limiting plate 8 are symmetrical arranged just
In the pressure balance suffered by the first dsah-pot 4 and the second dsah-pot 10, the setting of gag lever post 7 and limiting plate 8, work as buffer spring
6 are squeezed, and the top and bottom of limiting plate 8 are respectively contacted in the inner cavity top and the second dsah-pot 10 of the first dsah-pot 4
Behind the portion of bottom of chamber, damper 14 carries out damping again, prevents the stress of buffer spring 6 is excessive from causing to deform, the maximum limit of simultaneous buffering spring 6
The absorption brisance of degree, the use of landing gear absorber 14 is protected, the lower surface of the second dsah-pot 10 is fixedly connected with shock structure 12,
Damper 14 is fixedly connected with by retaining collar 13 between shock structure 12 and load pillar 1, damper 14 is positioned at the first buffering
The left side of cylinder 4, the bottom of shock structure 12 are fixedly connected with rolling wheel support 15, and the inner side of rolling wheel support 15 is fixed by connection rotating shaft
It is connected with roller body 16.
In use, when buffer spring 6 is squeezed, the top and bottom of limiting plate 8 are respectively contacted the first dsah-pot 4
After inner cavity top and the intracavity bottom of the second dsah-pot 10, damper 14 carries out damping again, prevents the stress of buffer spring 6 is excessive from causing
Deformation, simultaneous buffering spring 6 absorb brisance to greatest extent, protect the use of landing gear absorber 14, the buffering of buffer unit
After spring 6 absorbs the brisance of part, then the damping by damper 14, it is effectively protected damper 14.
It can to sum up obtain, the present invention is by setting the first dsah-pot 4, the second dsah-pot 10, the first contiguous block 5, second to connect
Block 11, connecting pole 9 and buffer spring 6 cooperate, and when aircraft is slided race and risen and fallen, the gravity of aircraft transmits by load pillar 1
To buffer unit, after the buffer spring 6 of buffer unit absorbs the brisance of part, then the damping by damper 14, it is effective to protect
Damper 14 is protected, solves the excessive 14 flimsy problem of damper of the unexpected stress of undercarriage, by setting the He of gag lever post 7
Limiting plate 8 cooperates, and the gravity of aircraft passes through the buffering of buffer spring 6, the setting of gag lever post 7 and limiting plate 8, works as buffering elastic
Spring 6 is squeezed, and the top and bottom of limiting plate 8 are respectively contacted the inner cavity top and the second dsah-pot 10 of the first dsah-pot 4
After intracavity bottom, damper 14 carries out damping again, prevents the stress of buffer spring 6 is excessive from causing to deform, and simultaneous buffering spring 6 is maximum
The absorption brisance of limit, the use of landing gear absorber 14 is protected, solves undercarriage buffer unit stress excessive deformation
The problem of.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply and deposited between these entities or operation
In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Nonexcludability includes, so that process, method, article or equipment including a series of elements not only will including those
Element, but also the other element including being not expressly set out, or it is this process, method, article or equipment also to include
Intrinsic key element.In the absence of more restrictions, the key element limited by sentence " including a reference structure ", is not arranged
Except other identical element in the process including the key element, method, article or equipment being also present.
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 changes, modification can be carried out to these embodiments, replace 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 buffer unit, including load pillar（1）, it is characterised in that：The load pillar（1）Top
It is fixedly connected with support frame（2）, support frame as described above（2）Right-hand member be fixedly connected with retraction jack（3）, the load pillar
（1）Bottom be fixedly connected with the first dsah-pot（4）, first dsah-pot（4）Inwall be connected with the first contiguous block
（5）, contiguous block（5）Lower surface be fixedly connected with connecting pole（9）, the connecting pole（9）Bottom run through the first dsah-pot（4）
Lower surface and be plugged with the second dsah-pot（10）, the connecting pole（9）End be fixedly connected with the second contiguous block（11）, even
Connect block（11）It is movably connected in the second dsah-pot（10）Inwall, first contiguous block（5）Upper surface and the second contiguous block
（11）Lower surface centre position be fixedly connected with buffer spring（6）, two buffer springs（6）The other end fixed respectively connect
It is connected on the first dsah-pot（4）Inner cavity top and the second dsah-pot（10）Intracavity bottom, first contiguous block（5）Upper table
Face both sides and the second contiguous block（11）Lower surface both sides be fixedly connected with limited location bar（7）, the gag lever post（7）Away from first
Contiguous block（5）With the second contiguous block（11）One end be fixedly connected with limited location plate（8）, second dsah-pot（10）Following table
Face is fixedly connected with shock structure（12）, the shock structure（12）With load pillar（1）Between pass through retaining collar（13）It is fixed to connect
It is connected to damper（14）, the shock structure（12）Bottom be fixedly connected with rolling wheel support（15）, the rolling wheel support（15）'s
Inner side is fixedly connected with roller body by connection rotating shaft（16）.
A kind of 2. undercarriage buffer unit according to claim 1, it is characterised in that：The buffer spring（6）Two
The gag lever post of side（7）And limiting plate（8）On buffer spring（6）It is symmetrical set.
A kind of 3. undercarriage buffer unit according to claim 1, it is characterised in that：The damper（14）It is located at
First dsah-pot（4）Left side.
A kind of 4. undercarriage buffer unit according to claim 1, it is characterised in that：First dsah-pot（4）
With the second dsah-pot（10）Center on same vertical line.
A kind of 5. undercarriage buffer unit according to claim 1, it is characterised in that：First contiguous block（5）
With the second contiguous block（11）Shape be cube, the first contiguous block（5）Length and it is wide be respectively less than the first dsah-pot（4）Inner side
Long and wide 2-3 millimeters, the second contiguous block（11）Length and it is wide be respectively less than the second dsah-pot（10）The length of inner side and wide 2-3 millimeters.
A kind of 6. undercarriage buffer unit according to claim 1, it is characterised in that：The connecting pole（9）With
One dsah-pot（4）Bottom and the second dsah-pot（10）Top movable connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710588934.5A CN107344614B (en) | 2017-07-19 | 2017-07-19 | Undercarriage buffer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710588934.5A CN107344614B (en) | 2017-07-19 | 2017-07-19 | Undercarriage buffer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107344614A true CN107344614A (en) | 2017-11-14 |
| CN107344614B CN107344614B (en) | 2020-08-25 |
Family
ID=60258227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710588934.5A Active CN107344614B (en) | 2017-07-19 | 2017-07-19 | Undercarriage buffer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107344614B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN107985565A (en) * | 2017-12-07 | 2018-05-04 | 佛山市神风航空科技有限公司 | The unmanned plane undercarriage of taking photo by plane of dual shock absorption |
| CN108438212A (en) * | 2018-01-18 | 2018-08-24 | 倪惠芳 | A kind of UAV Landing auxiliary device |
| CN108860607A (en) * | 2018-06-19 | 2018-11-23 | 智飞智能装备科技东台有限公司 | It is a kind of from steady wind resistance unmanned plane |
| CN110217382A (en) * | 2019-06-28 | 2019-09-10 | 南京工业职业技术学院 | A kind of unmanned plane damping undercarriage |
| CN110667830A (en) * | 2019-08-30 | 2020-01-10 | 南京精微迅智能科技有限公司 | Many rotor unmanned aerial vehicle for aerial survey |
| CN113264185A (en) * | 2021-07-20 | 2021-08-17 | 江苏南瓯物联网科技有限公司 | Range finding aircraft |
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| CN202926940U (en) * | 2012-11-07 | 2013-05-08 | 西林钢铁集团有限公司 | Trolley-walking bidirectional spring buffer device for bridge crane |
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| CN206068141U (en) * | 2016-10-11 | 2017-04-05 | 四川建筑职业技术学院 | A kind of fixed-wing model plane preposition undercarriage of employing double damping structure |
| CN206087273U (en) * | 2016-10-12 | 2017-04-12 | 中交遥感载荷（北京）科技有限公司 | Unmanned aerial vehicle hydraulic pressure shock attenuation undercarriage |
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| US20050230201A1 (en) * | 2004-04-16 | 2005-10-20 | Takuhiro Kondou | Electromagnetic shock absorber for vehicle |
| CN202926940U (en) * | 2012-11-07 | 2013-05-08 | 西林钢铁集团有限公司 | Trolley-walking bidirectional spring buffer device for bridge crane |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN107985565A (en) * | 2017-12-07 | 2018-05-04 | 佛山市神风航空科技有限公司 | The unmanned plane undercarriage of taking photo by plane of dual shock absorption |
| CN108438212A (en) * | 2018-01-18 | 2018-08-24 | 倪惠芳 | A kind of UAV Landing auxiliary device |
| CN108860607A (en) * | 2018-06-19 | 2018-11-23 | 智飞智能装备科技东台有限公司 | It is a kind of from steady wind resistance unmanned plane |
| CN110217382A (en) * | 2019-06-28 | 2019-09-10 | 南京工业职业技术学院 | A kind of unmanned plane damping undercarriage |
| CN110667830A (en) * | 2019-08-30 | 2020-01-10 | 南京精微迅智能科技有限公司 | Many rotor unmanned aerial vehicle for aerial survey |
| CN113264185A (en) * | 2021-07-20 | 2021-08-17 | 江苏南瓯物联网科技有限公司 | Range finding aircraft |
| CN113264185B (en) * | 2021-07-20 | 2022-04-01 | 江苏南瓯物联网科技有限公司 | Range finding aircraft |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107344614B (en) | 2020-08-25 |
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Effective date of registration: 20200803 Address after: Room 216, 2 / F, building g, Wenzhou enlightenment future industrial park, 77 Jinyang Road, nanbaixiang street, Ouhai District, Wenzhou City, Zhejiang Province Applicant after: Wenzhou Xuerong Machinery Technology Co.,Ltd. Address before: Comprehensive Utilization Technology Co. Ltd. 241000 Anhui province Wuhu City Sanshan District Spring Chau Road Wuhu New Metallurgical Resources Applicant before: Hu Jun |
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