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Barrel wall type sheave mechanism for three dimensional vertical axes rotation transmission

A sheave mechanism and vertical shaft technology, applied in the field of graded shifting structure, can solve the problems of low mechanical efficiency, inconvenient maintenance, complex switch structure, etc., and achieve the effects of accurate spatial position, improved mechanical efficiency, and reduced overall volume

Inactive Publication Date: 2005-09-07
任宏宇
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This kind of sheave mechanism can transmit the periodical intermittent movement of the rotating shaft in the vertical direction of three-dimensional space, but the bowl-shaped (ie spherical) sheave mechanism has two shortcomings: one is because the sheave is a bowl-shaped spherical surface, and the rotation on it The machining processes such as slots and positioning arcs must be completed on the bowl-shaped spherical surface, so the manufacturability is relatively difficult; secondly, the internal space of the bowl-shaped spherical sheave is relatively limited, that is, it is relatively narrow, and it is difficult to apply it to the structure of the transformer tap changer. It is inconvenient to reduce the volume of the switch as a whole
In this way, there are many motion transmission links, the switch structure is relatively complicated, the mechanical efficiency is low, and the cost is also high, so the reliability is reduced, and it is more inconvenient to maintain.

Method used

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  • Barrel wall type sheave mechanism for three dimensional vertical axes rotation transmission
  • Barrel wall type sheave mechanism for three dimensional vertical axes rotation transmission
  • Barrel wall type sheave mechanism for three dimensional vertical axes rotation transmission

Examples

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Embodiment Construction

[0021] See Figure 6-9 , the specific structure of the bucket wall type sheave mechanism is illustrated by an embodiment: the slotting part 1 (ie the driving wheel) in the mechanism is composed of a driving shaft 1-1, a positioning half arc 1-2, a rotating rocker arm 1-3, and a shift fork shaft 1-4 and axle sleeve 1-5 constitute, and wherein driving shaft 1-1, positioning semi-arc 1-2 and rotating rocker arm 1-3 are affixed together, shift fork shaft 1-4 and rotating rocker arm 1-3 also Fixedly connected together, the axle sleeves 1-5 are movably sleeved on the shift fork shaft 1-4 to form a shift fork. The sheave 2 (being the driven wheel) is in the shape of a barrel, and the turning groove U of the sheave 2 and the positioning half-arc groove are respectively distributed on the circumferential port of the barrel wall at intervals.

[0022] Drive axis 1-1 is O 1 -O 1 ' is the rotation of the axis, and the positioning half-arc 1-2 is based on R 2 ' is the radius, and the w...

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PUM

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Abstract

The invention relates to a three-dimensional vertical axis rotating driving barrel wall type grooved pulley mechanism that includes grooved component and grooved wheel. The stir groove component of the grooved wheel and the located half arc flute are distributed on the circle of the barrel wall. The diving shaft of the stir groove component, the located half arc and the rotating rocker are fixed together, shifting shaft and the rotating rocker are fixed together. Shaft sleeve is actively installed on the shifting shaft. The rotating axis lines of the stir groove component, the shifting shaft and the grooved wheel are joined at one point in the three-dimensional space. The invention is simple structure, good technical, easy to be machined and reduces the entire volume of the transformer tapping switch.

Description

technical field [0001] The invention relates to a mechanically driven sheave mechanism, specifically a sheave that converts the uniform continuous rotation of the driving shaft in three-dimensional space into the periodic intermittent motion of the driven shaft rotating perpendicularly to the three-dimensional space The mechanism is mainly used in the hierarchical shifting structure of the transformer tap changer. Background technique [0002] Generally, the grooved wheel mechanism is that the slotted part (driving wheel) and the grooved wheel (driven wheel) rotate in the same plane or in parallel planes, that is, the planes where the rotation axes of the two are located are the same plane and the axes are parallel, and the above basic types It can be divided into two types: external and internal: figure 1 Shown is an external sheave mechanism, where O 1 is the shaft center of the slotted part 1, A is the shift fork, and O 2 is the shaft center of the sheave 2, and the sl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16H27/06H01F29/04H01H3/00
Inventor 任宏宇
Owner 任宏宇
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