CN107939896B8 - 一种带摩擦止转减摆功能的缓冲装置 - Google Patents

一种带摩擦止转减摆功能的缓冲装置 Download PDF

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Publication number
CN107939896B8
CN107939896B8 CN201711171721.9A CN201711171721A CN107939896B8 CN 107939896 B8 CN107939896 B8 CN 107939896B8 CN 201711171721 A CN201711171721 A CN 201711171721A CN 107939896 B8 CN107939896 B8 CN 107939896B8
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CN
China
Prior art keywords
flange
piston rod
inner cylinder
plunger
subtracts
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Active
Application number
CN201711171721.9A
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English (en)
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CN107939896A (zh
CN107939896B (zh
Inventor
张成亮
黄立新
金军
张健全
慕建全
吴林
李志栋
邓晓山
张航舟
刘庞轮
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China Helicopter Research and Development Institute
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China Helicopter Research and Development Institute
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Priority to CN201711171721.9A priority Critical patent/CN107939896B8/zh
Publication of CN107939896A publication Critical patent/CN107939896A/zh
Application granted granted Critical
Publication of CN107939896B publication Critical patent/CN107939896B/zh
Publication of CN107939896B8 publication Critical patent/CN107939896B8/zh
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F13/00—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
    • 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
    • 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
    • B64C25/505—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
    • 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 
    • B64C2025/325—Alighting gear characterised by elements which contact the ground or similar surface  specially adapted for helicopters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F2222/00—Special physical effects, e.g. nature of damping effects
    • F16F2222/04—Friction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F2222/00—Special physical effects, e.g. nature of damping effects
    • F16F2222/12—Fluid damping
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F2232/00—Nature of movement
    • F16F2232/08—Linear

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid-Damping Devices (AREA)
  • Vibration Dampers (AREA)

Abstract

本发明公开了一种带摩擦止转减摆功能的缓冲装置，包括外筒、内筒、活塞杆、防扭臂；在内筒中空腔内、位于活塞杆顶端上方设有柱塞；活塞杆和柱塞之间设有油路，该油路使得活塞杆受作用力并在内筒中空腔内移动时，可驱动柱塞随活塞杆移动；环绕外筒下端设有第一凸缘，第一凸缘下表面设有摩擦片；环绕内筒设有第二凸缘，第二凸缘位于第一凸缘正下方，且第二凸缘与摩擦片之间留有间隙X；内筒外表面的顶部与外筒内腔的顶部之间留有间隙Y，且X<Y。本发明能够有效减摆，适用性广，能提高飞机起落架***的可靠性和安全性，且维护简单成本低。
CN201711171721.9A 2017-11-22 2017-11-22 一种带摩擦止转减摆功能的缓冲装置 Active CN107939896B8 (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711171721.9A CN107939896B8 (zh) 2017-11-22 2017-11-22 一种带摩擦止转减摆功能的缓冲装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711171721.9A CN107939896B8 (zh) 2017-11-22 2017-11-22 一种带摩擦止转减摆功能的缓冲装置

Publications (3)

Publication Number Publication Date
CN107939896A CN107939896A (zh) 2018-04-20
CN107939896B CN107939896B (zh) 2019-06-25
CN107939896B8 true CN107939896B8 (zh) 2019-08-23

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CN (1) CN107939896B8 (zh)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108639315A (zh) * 2018-07-06 2018-10-12 安徽思源三轻智能制造有限公司 飞机起落架
CN109552603A (zh) * 2018-12-01 2019-04-02 江苏鸿鹄无人机应用科技有限公司 一种无人机落地缓冲装置
CN109774926B (zh) * 2019-01-22 2022-05-03 南京航空航天大学 高超飞行器轮撬组合起降装置
CN112407260B (zh) * 2020-11-05 2022-08-12 北京空间机电研究所 一种可预起转轻结构复材前起落架缓冲器
CN114750933B (zh) * 2022-05-07 2022-10-28 中国航空工业集团公司沈阳飞机设计研究所 一种不破坏飞机承载结构的小型化起落架收放机构

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB551971A (en) * 1942-02-25 1943-03-17 Automotive Prod Co Ltd Improvements in or relating to landing gear for aircraft
US2613649A (en) * 1948-10-22 1952-10-14 G G Bakewell Steering motor for airplane landing wheels
US2770832A (en) * 1953-02-11 1956-11-20 Houdaille Industries Inc Swivel wheel damper
US3430896A (en) * 1967-05-02 1969-03-04 United Aircraft Corp Shimmy damper
GB1416806A (en) * 1973-04-11 1975-12-10 Dowty Rotol Ltd Steerable undercarriages suitable for aircraft
CN101870358B (zh) * 2010-06-23 2012-12-26 南京航空航天大学 扭力臂式前轮转弯机构及工作方法
CN201800917U (zh) * 2010-09-30 2011-04-20 湖南山河科技股份有限公司 一种着陆轮防摆振机构
CN102602534B (zh) * 2012-04-05 2015-04-08 中航飞机起落架有限责任公司 一种起落架减摆装置
CN103523210A (zh) * 2012-07-06 2014-01-22 哈尔滨飞机工业集团有限责任公司 前起落架摩擦减摆装置
US9499261B2 (en) * 2015-01-20 2016-11-22 Goodrich Corporation Friction-based shimmy damper for landing gear
CN205554569U (zh) * 2016-04-04 2016-09-07 蓝灿玉 一种专用于航空航天的飞机起落架

Also Published As

Publication number Publication date
CN107939896A (zh) 2018-04-20
CN107939896B (zh) 2019-06-25

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Legal Events

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
GR01 Patent grant
GR01 Patent grant
TA01 Transfer of patent application right
TA01 Transfer of patent application right

Effective date of registration: 20190611

Address after: 333001 Jingdezhen Aviation Road 6-8, Jiangxi Province

Applicant after: China Helicopter Research and Development Institute

Address before: 410200 Airway of Wangcheng Economic Development Zone, Changsha City, Hunan Province

Applicant before: AVIC Landing Gear Advanced Manufacturing Corp.

CI03 Correction of invention patent
CI03 Correction of invention patent

Correction item: Patentee|Address|Agent

Correct: China Helicopter Research and Development Institute|333001, Jingdezhen, Jiangxi Airlines Road No. 6-8|Ma Qiang

False: AVIC Landing Gear Advanced Manufacturing Corp.|410200 Wangcheng Economic Development Zone, Hunan, Changsha|Ma Qiang|Zheng Junchao

Number: 26-01

Page: The title page

Volume: 35

Correct: China Helicopter Research and Development Institute|333001, Jingdezhen, Jiangxi Airlines Road No. 6-8|Ma Qiang

False: AVIC Landing Gear Advanced Manufacturing Corp.|410200 Wangcheng Economic Development Zone, Hunan, Changsha|Ma Qiang|Zheng Junchao

Number: 26-01

Volume: 35