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Damping device

A damping device and damping system technology, applied in the field of damping devices, can solve problems such as inability to effectively solve technical problems, and achieve the effect of maintaining stable damping performance parameters

Inactive Publication Date: 2020-07-31
COMAC +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0013] Obviously, above-mentioned existing literature all can't effectively solve the technical difficult problem existing at present

Method used

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Embodiment Construction

[0057] Specific implementations of the present invention will be described below. It should be noted that in the process of specific descriptions of these implementations, for the sake of concise description, it is impossible for this specification to describe all the features of the actual implementations in detail. It should be understood that, in the actual implementation process of any embodiment, just like in the process of any engineering project or design project, in order to achieve the developer's specific goals and to meet system-related or business-related constraints, Often a variety of specific decisions are made, and this can vary from one implementation to another. In addition, it will be appreciated that while such development efforts may be complex and lengthy, the technology disclosed in this disclosure will be Some design, manufacturing or production changes based on the content are just conventional technical means, and should not be interpreted as insuffic...

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Abstract

The invention provides a damping device. The damping device comprises an equal-thickness cylindrical oil needle, a floating oil hole baffle, an oil separating pan and a limiting nut end; the outer surface of the oil needle is equiangularly provided with flow grooves in the longitudinal axis of the oil needle; the oil hole baffle is an open circular ring shape and is centrally provided with an inner hole; the diameter of the outer surface of the oil needle is equal to the that of the inner hole of the oil hole baffle; the oil separating pan is centrally provided with an inner hole, a circular groove and a clamping groove; the limiting nut end is centrally provided with an inner hole; the oil hole baffle is installed inside the circular groove of the oil separating pan; and the limiting nutend is connected inside the clamping groove of the oil separating pan so that the oil hole baffle is limited between the oil separating pan and the limiting nut end, thus the oil hole baffle has a flotation space in both axial direction and radial direction. The damping device provided by the invention realizes that the cross section shape where flow passes is not affected by installation and use,thus the buffering performance parameters of a landing gear buffer are kept stable, and the requirements on the installation of the oil needle are also reduced, thereby not only saving the installation time, but also significantly improving the economic efficiency.

Description

technical field [0001] The invention relates to the design field of the landing gear buffer system, in particular to a damping device used in the landing gear buffer. Background technique [0002] The landing gear device is an important load-bearing and manoeuvrable part of the aircraft, which plays an extremely important role in the safe take-off and landing of the aircraft. Landing gear is a necessary support system for aircraft takeoff, landing, taxiing, ground movement and parking. It is one of the main components of the aircraft, and its performance is directly related to the use and safety of the aircraft. [0003] Typically the landing gear arrangement includes a bumper. The buffer plays an extremely important role in the safe landing process of the aircraft and can guarantee the comfort of the people on board. The landing gear of modern aircraft mostly adopts oil-pneumatic buffer devices, which can well absorb the vertical kinetic energy during landing. [0004] T...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16F9/32F16F9/348B64C25/60
CPCB64C25/60F16F9/3207F16F9/348F16F2222/12F16F2228/066
Inventor 方威于秀伟刘文斌尤颖
Owner COMAC
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