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Micro electric linear driving servo steering engine

A technology of linear drive and servo steering gear, applied in the direction of electric components, electrical components, electromechanical devices, etc., can solve the problems of insufficient compact structure, enlargement, short stroke, etc., and achieve compact mechanism, large slider stroke, and reduced friction Effect

Pending Publication Date: 2019-06-21
TIANJIN GALAXY LEAP TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to overcome the problem that the structure of the existing linear servo steering gear (motor + transmission mechanism scheme) is not compact enough and the stroke is short, the present invention provides a miniature electric linear drive servo steering gear. The structure of the linear drive servo steering gear is optimized so that the servo steering gear The structure of the machine is more compact, and the ratio of stroke / axis size is increased at the same time

Method used

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  • Micro electric linear driving servo steering engine
  • Micro electric linear driving servo steering engine
  • Micro electric linear driving servo steering engine

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Example 1, see Figure 1 to Figure 3 As shown, a miniature electric linear drive servo steering gear includes a frame 2, a circuit board 9, a geared motor 1, a screw 4 and a slider 3, the circuit board 9 is fixed on the lower part of the frame 2 by screws, and one side of the circuit board 9 Carbon film resistors and copper sheets are printed, and the other side is provided with a drive circuit and a control circuit; the geared motor 1 is fixed on one side of the frame 2 by screws, the screw 4 is fixed in the frame 2 through the bearing 6 and the bearing 7, and the screw 4 is kept parallel to the geared motor 1, the slider 3 is connected to the screw 4, and the frame 2 is integrally provided with a guide rail for limiting the movement track of the slider 3, and one end of the geared motor 1 and the screw 4 are respectively provided with mutually engaging The gear 10 transmits the torque from the reduction motor 1 to the screw 4 through gear transmission, and the rotatio...

Embodiment 2

[0022] Example 2, see Figure 4 to Figure 6 shown, as Figure 4 to Figure 6 As shown, a miniature electric linear drive servo steering gear includes a frame 2, a circuit board 9, a motor 11, a screw 4 and a slider 3, the circuit board 9 is fixed on the lower part of the frame 2 by screws, and one side of the circuit board 9 is printed There are carbon film resistors and copper sheets, and the other side is provided with a drive circuit and a control circuit; the motor 11 is fixed on one side of the frame by glue, the screw 4 is fixed in the frame 2 through the bearing 6 and the bearing 7, and the screw 4 Keep parallel with the motor 11, the slider 3 is connected with the screw 4, and the frame is integrally provided with a guide rail for limiting the movement track of the slider 3, and the torque is transmitted from the motor 11 to the screw 4 through the reduction box 12 between the motor 11 and the screw 4 , the screw rotates to drive the slider 3 to slide along the guide r...

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PUM

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Abstract

The invention discloses a micro electric linear driving servo steering engine. The steering engine comprises a frame, a circuit board, a speed reducing motor, a screw rod and a slide block; the circuit board is fixed at the lower part of the frame through a screw; a carbon film resistor and a copper sheet are arranged on one surface of the circuit board, and a driving circuit and a control circuitare arranged on the other surface; the speed reducing motor is fixed on one side of the frame through a screw; the screw rod is fixed in the frame, and is maintained in parallel to the speed reducingmotor; the slide block is connected with the screw rod; the frame is provided with a guide rail for limiting a motion trajectory of the slide block; engaged gears are arranged at one ends of the speed reducing motor and the screw rod; torques are transferred to the screw rod by the speed reducing motor through transmission of the gears, so that the slide block is driven to slide along the guide rail; and an electric brush contacted with the carbon film resistor and the copper sheet is arranged at the bottom of the slide block. The driving servo steering engine is simple and compact in structure, low in cost, adjustable in speed reducing ratio and high in travel of the slide block.

Description

technical field [0001] The invention relates to a driving servo steering gear, in particular to a miniature electric linear driving servo steering gear. Background technique [0002] At present, electric linear drives are mainly divided into the following three types: special material deformation linear drive (piezoelectric material, Galfenol sheet), special structure linear motor and ordinary motor plus transmission mechanism. Among them, the special material deformation linear actuator relies on special materials, which has low maturity, high cost and poor practicability. The special structure of the linear motor has a small torque and is difficult to control. In the existing motor + transmission mechanism scheme, there are mainly two types: linear cylindrical series structure and L-shaped vertical structure. The linear cylindrical series structure aligns the motor and linear push rod on the same line, resulting in a large axial dimension and making miniaturization diffic...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16H25/24H02K7/06
Inventor 唐昭王星侯翼天张春松杨君仪
Owner TIANJIN GALAXY LEAP TECH CO LTD