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A Quick Mechanism Applied in Combined On-Load Tap-Changer

An on-load tapping and combined technology, which is applied to the power device and contact drive mechanism inside the switch, can solve the problems of increased manufacturing cost, many friction components, mechanical failure, etc., and achieves low manufacturing cost and low operating force. , the effect of simple structure

Active Publication Date: 2018-05-22
SHANGHAI HUAMING POWER EQUIP CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] As can be seen from the above diagrams and descriptions, the existing reciprocating gunshot type fast mechanism has a complex structure, many friction components, and claw escapement, which is likely to cause mechanical failure and increase manufacturing costs; due to the many friction components, this fast The mechanism can only be used in an oil-lubricated environment

Method used

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  • A Quick Mechanism Applied in Combined On-Load Tap-Changer
  • A Quick Mechanism Applied in Combined On-Load Tap-Changer
  • A Quick Mechanism Applied in Combined On-Load Tap-Changer

Examples

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Embodiment Construction

[0038] The following examples further describe the present invention, but the examples are only for illustrating the present invention rather than limiting the present invention.

[0039] see image 3 and Figure 4 , the application of the fast mechanism shown in the figure in the combined on-load tap-changer, the fast mechanism includes a fixed plate 100, a triangular shaft 200, a driving gear 210, a countershaft 300, a driven gear 310, a crank arm 320, a spring 400 , lock wheel assembly 500 , sleeve shaft 600 and sheave 610 .

[0040] The fixing plate 100 is installed on the combined on-load tap-changer A (combined with see Figure 8 ), the triangular shaft 200 is set on the center of the fixed plate 100, and the triangular shaft 200 is driven by the electric mechanism (not shown in the figure) in the combined on-load tap changer A to rotate.

[0041] The driving gear 210 is fixed on the triangular shaft 200 and located above the fixing plate 100 . The auxiliary shaft 30...

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Abstract

The invention discloses an application of a quick mechanism in a combined on-load tap-changer. The quick mechanism is installed in the combined on-load tap-changer and comprises a fixed plate, a triangular shaft, a driving gear, a counter shaft, a driven gear, a crank arm, a spring, a locking wheel assembly, a sleeve spindle, a grooved wheel and the like. 360-degree stepping switching of a switch switching core is achieved through control on a transition vacuum tube through a grooved wheel mechanism, a radial cam and an axial cam; and reciprocating motion switching is avoided.

Description

Technical field: [0001] The invention relates to the technical field of transformer on-load tap-changers, in particular to a fast mechanism applied in combined on-load tap-changers. Background technique: [0002] The rapid switching action of the prior art on-load tap-changer, including the combined on-load tap-changer of the traditional mechanical contact and the combined vacuum on-load tap-changer, is provided by the reciprocating gun-type fast mechanism. [0003] Such as figure 1 , figure 2 Shown existing a kind of reciprocating gunshot type fast mechanism, it is made up of components such as crank, slide block, upper slide box, lower box, energy storage spring, guide rail, slide bar, cam disc, claw. Its working principle is: the switch electric mechanism drives the shaft 101 to rotate, thereby driving the eccentric wheel 102 to rotate with the shaft 101 as the center of rotation through the shaft 101, and the eccentric wheel 102 pushes the slider 103 and the upper sli...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01H3/26H01H3/40
CPCH01H3/26H01H3/40
Inventor 朱建锋
Owner SHANGHAI HUAMING POWER EQUIP CO LTD
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