Multi-wheel landing gear with steered wheels and aircraft having multi-wheel landing gear
A landing gear and steering wheel technology, applied in landing gear, aircraft parts, wheeled and other directions, to avoid damage to the runway, reduce shear force, and have a simple structure
Pending Publication Date: 2022-04-12
COMAC +1
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- Application Information
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Problems solved by technology
[0007] However, the coordinated turning of the front steering wheel and the steering wheel of the main landing gear in the prior art requires real-time sensing of information such as the ground speed and steering angle of the aircraft and real-time control of the steering wheel of the main landing gear, so multiple sensing devices are required and actuating devices, complex and numerous devices and wiring arrangements bring challenges in terms of installation space, aircraft weight, post-maintenance, etc.
Method used
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[0045] The present invention will be further described below in conjunction with specific embodiment and accompanying drawing, set forth more details in the following description in order to fully understand the present invention, but the present invention can obviously be implemented in many other ways different from this description , those skilled in the art can make similar promotions and deductions based on actual application situations without violating the connotation of the present invention, so the content of this specific embodiment should not limit the protection scope of the present invention.
[0046] In each embodiment of the present invention, the "longitudinal direction" is defined as the direction of the x-axis, and "forward" is the negative direction of the x-axis; the "transverse direction" is defined as the direction of the y-axis, and the direction to the left is the negative direction of the y-axis; The "vertical direction" is the direction of the z-axis, ...
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The invention relates to a multi-wheel landing gear with steering wheels, comprising: a strut, and a frame coupled below the strut, the frame comprising: a frame beam; the first steering wheel and the second steering wheel are installed at the two ends of the frame beam, the first axle is installed on a pivot shaft of the frame beam in a pivoted mode, so that the first axle and the first steering wheel and the second steering wheel installed at the two ends of the first axle can conduct steering movement around the pivot shaft, and the first end of the first shock absorber is connected to the supporting column. The second end of the first shock absorber is connected to the first axle and is connected between the first steering wheel and the pivot shaft; and a second shock absorber, a first end of the second shock absorber being coupled to the strut, and a second end of the second shock absorber being coupled to the first axle and being coupled between the second steering wheel and the pivot shaft. The invention also relates to an aircraft having a multi-wheel landing gear.
Description
technical field [0001] The invention relates to a multi-wheel landing gear for a large aircraft, in particular to a multi-wheel landing gear with steerable wheels. In addition, the invention relates to an aircraft having a multi-wheel undercarriage with steering wheels. Background technique [0002] The main landing gear of a large aircraft usually adopts a multi-wheel landing gear with a frame, and even has more than two main landing gears. When an aircraft is taxiing on the ground, there is often a need for sharp turns, such as turning 180 degrees on a runway. In order to prevent the tires from rubbing against the ground and reduce tire wear and damage to the airport runway, one of the axles of the frame of the main landing gear is usually provided with some form of steering structure. [0003] For the main landing gear with more than 4 wheels (usually 6) in the prior art, the multi-wheel landing gear on some existing models integrates the turning function, and one of th...
Claims
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Login to View More IPC IPC(8): B64C25/34B64C25/62
Inventor 职光伸王伟达张瑜琦薛瀛王晓熠林诺
Owner COMAC