CN203111500U - Helicopter skid landing gear with buffers - Google Patents
Helicopter skid landing gear with buffers Download PDFInfo
- Publication number
- CN203111500U CN203111500U CN201220608589.XU CN201220608589U CN203111500U CN 203111500 U CN203111500 U CN 203111500U CN 201220608589 U CN201220608589 U CN 201220608589U CN 203111500 U CN203111500 U CN 203111500U
- Authority
- CN
- China
- Prior art keywords
- skid
- helicopter
- landing gear
- energy disperser
- sled
- 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.)
- Expired - Fee Related
Links
- 239000000872 buffer Substances 0.000 title abstract description 9
- 238000010521 absorption reaction Methods 0.000 abstract description 3
- 230000003139 buffering effect Effects 0.000 abstract description 3
- 238000005299 abrasion Methods 0.000 abstract 1
- 238000013016 damping Methods 0.000 description 4
- 230000035939 shock Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- Gears, Cams (AREA)
Abstract
The utility model belongs to the field of helicopter landing gears, and in particular relates to a helicopter skid landing gear. The skid landing gear comprises skid parts (1), supporting rods (3), connection clamping hoops (4) and anti-abrasion sheets (5), wherein the supporting rods (3) are connected with the skid parts (1) and a machine body and can realize a supporting function; buffers (2) are movably connected with the machine body and the skid parts (1); each buffer (2), the corresponding supporting rod (3) and the machine body form a triangular structure; and each buffer is taken as a main supporting and energy absorption component. According to the utility mode, a skid landing gear structure is combined with the core buffers of a buffering and energy absorption system; due to the skid structure, a helicopter can land steadily; and landing impact load can work on the buffers to the maximum extent, and thus the buffers can absorb the landing impact load.
Description
Technical field
The utility model belongs to the helicopter landing gear field, particularly relates to a kind of helicopter skid landing gear.
Background technology
The utility model is the novel skid landing gear for helicopter takes off, park on landing and ground.At present, general skid landing gear, usually be connected in vertical sled that the lateral member bottom is used for kiss the earth by two lateral member that are connected in fuselage one in front and one in back and two and form, this alighting gear is extensively adopted by light helicopter because structure is simple relatively, in light weight, cost is low.Such skid landing gear generally has metal tube to constitute, and relies on the elastic deformation (substantially with beam mode work) of transversary during landing, absorbs the impact energy when landing, and efficient is lower, and damping effect is also undesirable; Simultaneously, this landing system has big rigidity, has caused high overload factor during landing, easily produces " ground resonance " phenomenon simultaneously, so need the anti-resonance vibration bumper of additional designs machinery usually.
Summary of the invention
The technical problem to be solved in the present invention:
The purpose of this utility model is the shortcoming that overcomes prior art, a kind of skid landing gear of high bumper and absorbing shock performance is provided, kept that skid landing gear is simple in structure, in light weight, in the low cost and other advantages, increased professional energy disperser, the damping energy-absorbing effect is better, and the impact load when having reduced helicopter landing has improved stability and the traveling comfort of helicopter landing, the rigidity that system is less and the shock damping action of energy disperser can effectively be avoided " ground resonance ".
Technical scheme of the present invention:
The utility model is a kind of helicopter skid landing gear with energy disperser, comprise sled 1, energy disperser 2, strut 3, jointing clip 4 and anti-abrasive disc 5, wherein, sled 1 is used for kiss the earth, anti-abrasive disc 5 is installed on the sled 1 with bolt, jointing clip 4 connects strut 3, energy disperser 2 and sled 1, strut 3 is connected between sled 1 and the fuselage, play a supporting role, energy disperser 2 is installed between fuselage and the sled 1 in the mode of loose joint, energy disperser 2, strut 3 are formed three-legged structure with fuselage, are main carrying energy-absorbing parts with the energy disperser.
Beneficial effect of the present invention:
The utility model adopts the skid landing gear structure, incorporate the core energy disperser of buffering energy-absorbing system, make the helicopter grease it in by ski structure, and make landing impact load act on energy disperser to the full extent, make energy disperser absorb landing impact load, reduced the caused big overload factor of common skid landing gear, reduced the load of other members in airframe structure and the Landing Gear System, can reduce the weight of this class formation greatly, buffering effect is better than common sled alighting gear greatly, and simultaneously energy-absorbing and the shock damping action of energy disperser can high efficiency absorption landing energies, make the landing of helicopter quick and stable, and avoid the generation of ground resonance.This novel skid landing gear has had the advantage that common skid landing gear structure is simple relatively, in light weight, cost is low, and it is big to have solved its landing impact simultaneously, easily the shortcoming of ground resonance.Simultaneously select corresponding energy disperser according to different helicopters.
Description of drawings
Fig. 1 is scheme drawing of the present utility model, and wherein, 1 is that sled, 2 is that energy disperser, 3 is that strut, 4 is that jointing clip, 5 is anti-abrasive disc.
Fig. 2 is sled 1, energy disperser 2, strut 3, jointing clip 4 junction scheme drawings.
Fig. 3 is sled 1, energy disperser 2, strut 3, jointing clip 4 junction A-A generalized sections.
The specific embodiment
A kind of helicopter skid landing gear with energy disperser comprises sled 1, energy disperser 2, strut 3, jointing clip 4 and anti-abrasive disc 5, and wherein, sled 1 is used for kiss the earth, and anti-abrasive disc 5 is installed on the sled 1 with bolt, prevents the sledge body undue wear of aluminium tube material.Jointing clip 4 connects strut 3, energy disperser 2 and sled 1, strut 3 is connected between sled 1 and the fuselage, plays a supporting role, and energy disperser 2 is installed between fuselage and the sled 1 in the mode of loose joint, energy disperser 2, strut 3 are formed three-legged structure with fuselage, are main carrying energy-absorbing parts with the energy disperser.
Core institution of the present utility model is energy disperser, the particular type need of this energy disperser are taken all factors into consideration according to weight, purposes and the cost of helicopter and are selected, energy disperser is divided into 2 types usually, and a kind of solid spring bumper of being made by steel or rubber mainly is applicable to light helicopter; Another kind of hydraulic spring energy disperser and the oil-pneumatic buffer of being made up of fluid is applicable to medium-sized and following helicopter.Wherein the solid spring bumper has the low advantage of simplification, reliability, maintainability and cost, merge with ski structure, the Landing Gear System that constitutes has been developed the advantage of traditional skid landing gear, solved its shortcoming simultaneously, be used for the landing data that light helicopter can improve light helicopter greatly, more comfortable safety.For the bigger Medium Helicopter of weight, the big landing energy that its bigger weight is brought requires energy disperser must have higher efficient, so need select a kind of oil-pneumatic buffer in back for use, this alighting gear can absorb very big landing energy, considerably beyond common skid landing gear, field of application is wider.
Claims (1)
1. helicopter skid landing gear with energy disperser, comprise sled (1), strut (3), jointing clip (4) and anti-abrasive disc (5), it is characterized in that, this alighting gear also comprises energy disperser (2), wherein, sled (1) is used for kiss the earth, anti-abrasive disc (5) is installed on the sled (1) with bolt, jointing clip (4) connects strut (3), energy disperser (2) and sled (1), strut (3) is connected between sled (1) and the fuselage, play a supporting role, energy disperser (2) is installed between fuselage and the sled (1) in the mode of loose joint, energy disperser (2), strut (3) is formed three-legged structure with fuselage, is main carrying energy-absorbing parts with the energy disperser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220608589.XU CN203111500U (en) | 2012-11-16 | 2012-11-16 | Helicopter skid landing gear with buffers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220608589.XU CN203111500U (en) | 2012-11-16 | 2012-11-16 | Helicopter skid landing gear with buffers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203111500U true CN203111500U (en) | 2013-08-07 |
Family
ID=48891870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220608589.XU Expired - Fee Related CN203111500U (en) | 2012-11-16 | 2012-11-16 | Helicopter skid landing gear with buffers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203111500U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104443412A (en) * | 2014-12-15 | 2015-03-25 | 青岛欧森系统技术有限公司 | Carrier landing mechanism of unmanned helicopter |
| CN106114830A (en) * | 2015-05-07 | 2016-11-16 | 哈尔滨飞机工业集团有限责任公司 | A kind of sled of band pooling feature |
| CN106477031A (en) * | 2016-11-30 | 2017-03-08 | 江西洪都航空工业集团有限责任公司 | A kind of SUAV landing buffer system |
| CN109795678A (en) * | 2019-03-20 | 2019-05-24 | 西北工业大学 | A rocker arm type unmanned aerial vehicle skid buffer device |
| CN109941449A (en) * | 2019-03-18 | 2019-06-28 | 西安爱生技术集团公司 | A landing energy-absorbing device for unmanned aerial vehicles |
| CN110296171A (en) * | 2019-05-24 | 2019-10-01 | 南京航空航天大学 | A kind of Helicopter Main with helical structure subtracts period strut |
| CN110834721A (en) * | 2018-08-17 | 2020-02-25 | 中国飞机强度研究所 | Leg sledge combined landing device of vertical take-off and landing aircraft |
| CN112758311A (en) * | 2019-11-05 | 2021-05-07 | 北京吾天科技有限公司 | Pod landing buffer device |
| CN113682492A (en) * | 2021-07-05 | 2021-11-23 | 中国人民解放军总参谋部第六十研究所 | Helicopter landing gear stiffness and damping test fixture and test method |
| US12060148B2 (en) | 2022-08-16 | 2024-08-13 | Honeywell International Inc. | Ground resonance detection and warning system and method |
-
2012
- 2012-11-16 CN CN201220608589.XU patent/CN203111500U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104443412A (en) * | 2014-12-15 | 2015-03-25 | 青岛欧森系统技术有限公司 | Carrier landing mechanism of unmanned helicopter |
| CN106114830A (en) * | 2015-05-07 | 2016-11-16 | 哈尔滨飞机工业集团有限责任公司 | A kind of sled of band pooling feature |
| CN106477031A (en) * | 2016-11-30 | 2017-03-08 | 江西洪都航空工业集团有限责任公司 | A kind of SUAV landing buffer system |
| CN110834721A (en) * | 2018-08-17 | 2020-02-25 | 中国飞机强度研究所 | Leg sledge combined landing device of vertical take-off and landing aircraft |
| CN109941449A (en) * | 2019-03-18 | 2019-06-28 | 西安爱生技术集团公司 | A landing energy-absorbing device for unmanned aerial vehicles |
| CN109795678A (en) * | 2019-03-20 | 2019-05-24 | 西北工业大学 | A rocker arm type unmanned aerial vehicle skid buffer device |
| CN110296171A (en) * | 2019-05-24 | 2019-10-01 | 南京航空航天大学 | A kind of Helicopter Main with helical structure subtracts period strut |
| CN112758311A (en) * | 2019-11-05 | 2021-05-07 | 北京吾天科技有限公司 | Pod landing buffer device |
| CN113682492A (en) * | 2021-07-05 | 2021-11-23 | 中国人民解放军总参谋部第六十研究所 | Helicopter landing gear stiffness and damping test fixture and test method |
| US12060148B2 (en) | 2022-08-16 | 2024-08-13 | Honeywell International Inc. | Ground resonance detection and warning system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130807 Termination date: 20161116 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |