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Upper torque link central latch mechanism

A technology of connecting rods and latches, applied in the direction of connecting components, mechanical equipment, aircraft maintenance, etc., can solve the problems of increasing the number of parts, weight and cost

Active Publication Date: 2019-02-12
SAFRAN LANDING SYST CANADA INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Known mechanisms for holding the upper torque link in the stowed position increase parts count, weight and cost

Method used

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  • Upper torque link central latch mechanism
  • Upper torque link central latch mechanism
  • Upper torque link central latch mechanism

Examples

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Embodiment Construction

[0021] figure 1 An isometric view of a landing gear assembly 40 having a shock strut 46 , a torque link assembly 70 and a latch mechanism 100 is shown in accordance with a representative embodiment of the present invention. In the illustrated embodiment, the landing gear assembly 40 is an aircraft landing gear assembly; however, alternative embodiments are envisioned for other types of landing gear, such as for a helicopter, or for use with shock struts / torque Any other suitable application of a linkage combination.

[0022] Landing gear assembly 40 includes one or more wheels 42 rotatably mounted to an axle 44 . Shaft 44 is coupled to one end of a shock strut 46 that is coupled to an aircraft (not shown) through a main fitting, which may include trunnions 54 and side brackets 56, and / or any other suitable structure. When coupled to an aircraft and in the deployed position, landing gear assembly 40 supports the aircraft and allows the aircraft to maneuver on the tarmac under...

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Abstract

A torque link assembly for a shock strut includes an upper torque link that is selectively retained in a stowed position when uncoupled from a lower torque link. The upper torque link includes first and second coaxial lugs that rotatably couple the upper torque link to an alignment feature. A latch mechanism includes a latch fitting rotatably coupled to either the upper torque link or the alignment feature. The latch mechanism further includes a stop fitting fixedly coupled to the other of the upper torque link and the alignment feature. The latch fitting engages the stop fitting to maintain the upper torque link in the stowed position. At least one of the latch fitting and stop fitting is positioned between the first and second lugs of the upper torque link.

Description

Background technique [0001] Deployable shock absorbing vehicle struts or shock struts are used in vehicles such as aircraft. Typical shock struts such as "oil struts" [0002] (air-oil absorber), including a piston slidably arranged in a cylinder. Shock struts use a fluid to convert kinetic energy into heat and provide damping, and a gas to provide elastic spring characteristics. In aircraft, shock struts cushion landing shocks and collision disturbances, and also dampen vertical oscillations. Bounces are undesirable when an aircraft is landing, as bounces can cause loss of directional control. [0003] Shock struts typically include a torque link assembly to prevent rotation of the piston and thus the landing gear wheel relative to the cylinder about the common (longitudinal) axis of the piston and cylinder. A known torque link assembly includes an upper torque link rotatably coupled to a steering collar (outside the cylinder) or a turn tube (inside the cylinder); and a l...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B64C25/60
CPCB64C25/60B64C25/58B64F5/40B64C25/10F16B2/20F16F9/06F16F9/18F16F9/3207F16F9/3271
Inventor 弗拉迪米尔·杜布罗夫斯基皮特·游克里斯·布赖恩特
Owner SAFRAN LANDING SYST CANADA INC