Installation sliding bush device being suitable for control steel cable of power device
The technology of a power unit and a sliding sleeve is applied in the directions of the power unit, the aircraft transmission, and the power transmission of the aircraft. Achieve the effect of reducing bending deformation, preventing motion jam, and reducing motion idle travel
Active Publication Date: 2014-07-09
XIAN AIRCRAFT DESIGN INST OF AVIATION IND OF CHINA
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- Application Information
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Problems solved by technology
With the traditional bracket fixing method, the curvature of the cable cannot be controlled, so that the cable will produce empty travel due to bending deformation during telescopic movement
The existence of idle travel will reduce the control sensitivity of the control system, affect the pilot's normal control of the aircraft power plant, and seriously affect flight safety
Method used
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Embodiment Construction
[0012] Embodiments of the present invention will be described below in conjunction with the accompanying drawings.
[0013] Please also see figure 1 and figure 2 . in, figure 1 It is a structural schematic diagram of the installation sliding sleeve device suitable for the power plant to manipulate the steel cable of the present invention, figure 2 It is an enlarged schematic diagram of the local structure at the end of the present invention.
[0014] The present invention is applicable to the installation sliding sleeve device of power plant manipulation steel cable, comprises installation sliding sleeve 4, sliding sleeve inner pad 2, fixed baffle plate 3 and installation support 5.
[0015] The installation sliding sleeve 4 is a semi-closed guide chute with three sides closed and one side open, which is used to house the steering cable 1 in the installation sliding sleeve 4 . The opening side of the guiding chute of the installation sliding sleeve 4 always points outwa...
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The invention belongs to a mechanical connection technology, and relates to an installation sliding bush device being suitable for a control steel cable of a power device. The installation sliding bush device comprises an installation sliding bush, an inner pad of the sliding bush, a fixed baffle and an installation support, wherein the installation sliding bush is a guide chute which has three closed sides and one opened side and is used for accommodating the control steel cable; the inner pad of the sliding bush is installed along the guide chute, and a radial clearance is kept between an internal profile of the inner pad and the control steel cable; and the fixed baffle and the installation support are arranged at the two ends of the installation sliding bush and matched to fix the guide sliding bush device. The installation sliding bush device adopts the installation sliding bush to locate and guide the control steel cable, the flexural deformation which is produced during the movement process of the control steel cable can be effectively reduced, accordingly, the movement idle stroke is reduced, and the control precision of the control steel cable is improved. Moreover, the semi-closed guide chute structure of the installation sliding bush can ensure the free radial displacement when the steel cable stretches, so the steel cable is prevented from being blocked to move in the sliding bush.
Description
technical field [0001] The invention belongs to the mechanical connection technology, and relates to a sliding sleeve device suitable for operating a steel cable by a power device. Background technique [0002] The push-pull control cable is a general technology of the mechanical control system of the aircraft power plant. During the arrangement of the cables from the flight console in the cockpit to the actuators of the engine, there are inevitably various forms of bending. With the traditional bracket fixing form, the curvature of the cable cannot be controlled, so that the cable produces an empty stroke due to bending deformation during the telescopic movement. The existence of idle travel will reduce the control sensitivity of the control system, affect the pilot's normal control of the aircraft power plant, and seriously affect flight safety. Contents of the invention [0003] The purpose of the present invention is to provide a sliding sleeve device suitable for th...
Claims
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IPC IPC(8): B64C13/30
Inventor 李龙姚鹏涛闫伟伟王代君
Owner XIAN AIRCRAFT DESIGN INST OF AVIATION IND OF CHINA