High-load compact electric steering engine transmission mechanism

A technology of electric steering gear and transmission mechanism, which is applied in the direction of aircraft transmission, aircraft power transmission, aircraft power device, etc. Small size and compact structure

Inactive Publication Date: 2018-10-16
BEIJING AUTOMATION CONTROL EQUIP INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The technical problem to be solved in the present invention is: the existing electric steering gear transmissio

Method used

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  • High-load compact electric steering engine transmission mechanism

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Embodiment Construction

[0022] The high-load compact electric steering gear transmission mechanism of the present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.

[0023] Such as figure 1 As shown, the high-load compact electric steering gear transmission mechanism of the present invention includes a casing, which is used to support and protect other components installed inside it.

[0024] The servo motor 1 is fixedly installed inside the housing. The servo motor 1 has a rotating shaft, and a motor gear 2 is installed at the end of the rotating shaft. The rotating shaft can drive the motor gear 2 to rotate synchronously.

[0025] On the end that motor gear 2 is installed on servo motor 1, also be provided with 8 pairs of idler bearings, idler 3 is installed on a pair of idler bearings 8, a pair of idler bearings 8 pairs of idler 3 forms support.

[0026] The idler gear 3 meshes with the motor gear 2, and the idler gear 3 can rotate synchron...

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Abstract

The invention belongs to the technical field of electro-mechanical actuators and in particular relates to a high-load compact electric steering engine transmission mechanism. The high-load compact electric steering engine transmission mechanism comprises a shell, a servo motor, a motor gear, an idle wheel, a ball screw, a lead-screw gear, a connecting rod, an output shaft, an idle wheel bearing, alead-screw bearing, a lead-screw nut and a nut sleeve. According to the high-load compact electric steering engine transmission mechanism, the technical problem that a high-speed small-sized aircraftdimension requirement and a loading capacity requirement cannot be both taken into consideration in the existing electric steering engine transmission mechanism is solved; and as the ball screw is used as a main transmission part of a steering engine, the layout of the spatial position of each part is reasonably, the structure is compact, the volume and dimension are smaller, and the higher loading capacity is realized.

Description

technical field [0001] The invention belongs to the technical field of electromechanical actuators, and in particular relates to a high-load compact electric steering gear transmission mechanism. Background technique [0002] Electromechanical actuators are widely used in the control fields of launch vehicles, high-speed aircraft, and satellites due to their advantages of good craftsmanship and easy control, and have become the main actuators for thrust vector control of rockets and aircraft wings. [0003] In order to ensure the performance of the existing high-speed small aircraft, the axial dimension becomes smaller, so that the installation space of each device on the aircraft is also smaller. In order to adapt to the installation space, without reducing the load capacity, it is necessary to fully compress the size of the steering gear in the width direction and length direction to provide available space for other equipment on the aircraft. However, the existing electr...

Claims

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Application Information

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IPC IPC(8): B64C13/28B64C13/34
CPCB64C13/28B64C13/34
Inventor 王瑛琦李四保王怀张秀林卢红波
Owner BEIJING AUTOMATION CONTROL EQUIP INST
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