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Method and mechanism for producing elliptic motion trace by air wire

An elliptical motion and overhead line technology, applied in the direction of overhead lines/cable equipment, fault locations, etc., can solve the problems that cannot meet the requirements of the wire movement in an elliptical trajectory

Inactive Publication Date: 2008-06-18
SHANGHAI ELECTRIC CABLE RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] Regardless of any of the above-mentioned exciters, it cannot meet the requirement that the movement of the cross-section of the conductor assumes an elliptical trajectory when the conductor gallops

Method used

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  • Method and mechanism for producing elliptic motion trace by air wire
  • Method and mechanism for producing elliptic motion trace by air wire
  • Method and mechanism for producing elliptic motion trace by air wire

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Experimental program
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Embodiment Construction

[0024] The present invention will be further described now in conjunction with accompanying drawing.

[0025] The output shaft 1 of the motor M meshes with the rotating shaft 2 of the first set of crank connecting rod B and the input shaft gear 3 of the four-bar linkage mechanism C, and the output shaft gear 4 of the four-bar linkage mechanism C and the second set of crank connecting rods The rotating shaft 5 of A engages, and the round wheel of the second set of crank connecting rods A is placed on the base D that can move left and right, and the base D is flexibly connected to the fulcrum 6 with the connecting rod B9 of the first set of crank connecting rods B.

[0026] The second cover crank connecting rod A is by a slide block A8 that can move thereon by the chute A7 that passes through the center of the rotatable round wheel a, and a fulcrum A10 that is flexibly connected to the connecting rod A9 is arranged on the slide block.

[0027] The first set of crank connecting r...

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Abstract

The method includes following steps: the power is outputted by an output shaft of motor; the crank link mechanism is driven to implement a motion of sleeve spindle of elliptic motion locus and the second crank link mechanism is driven through power transmission system to make same direction rotation for implementing another sleeve spindle motion of elliptic motion locus; through connecting the motion of two crank link mechanisms, the locus of elliptic motion is composed; when adjusting the relative angle of two crank link mechanisms, the elliptic motion locus can be inclined.

Description

technical field [0001] The invention belongs to the technical field of mechanical motion synthesis. Background technique [0002] When the overhead guide and ground wire are running on the line, they are affected by the external environment, such as wind, snow and ice. The overhead wire vibrates due to the action of the wind, and when the snow or ice covering the overhead wire falls off, the overhead wire will cause galloping. The galloping amplitude of the overhead line is very large, and the trajectory of its cross section is elliptical. Under severe galloping, the conductor will break its strands, the whole wire will break, and even the tower of the line will collapse. In short, galloping can cause serious harm to the line. [0003] A wire galloping test machine designed to simulate how many times the wire can withstand galloping when the wire is running under the state of line erection. The core technology of the galloping test machine is the vibrator. When the vibra...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02G1/02G01R31/08
Inventor 黄豪士季世泽陆盛叶黄国飞徐睿刘斌
Owner SHANGHAI ELECTRIC CABLE RES INST