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Transmission

A technology of speed changer and speed changer ring, applied in friction transmission, belt/chain/gear, mechanical equipment, etc., can solve the problems of inability to obtain speed change and the difficulty of the speed changer ring sliding smoothly.

Inactive Publication Date: 2007-02-28
NIDEC SHIMPO CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] According to the sliding mechanism of the speed change ring in the transmission described in the past, in the engaging part of the cylindrical member and the guide shaft, in case the lubrication of the lubricant does not work, or when there is abrasive powder (abrasion powder) entering it, the speed will be changed. If the ring does not slide smoothly, it may not be possible to obtain the desired speed change

Method used

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Embodiment Construction

[0023] Next, an embodiment of the transmission of the present invention will be described with reference to the drawings. Fig. 1 is a sectional view showing the overall structure of the speed changer that has used the present embodiment; Fig. 2 is a partial sectional view of the speed changer of the above-mentioned embodiment seen from the arrow A direction in Fig. 1; Fig. 3 is a sectional view showing the above-mentioned embodiment A cross-sectional view of a sliding mechanism of a retainer in a transmission; FIG. 4 is an explanatory diagram illustrating a shifting operation in the transmission of the above-mentioned embodiment.

[0024] As shown in FIG. 1, the transmission 1 has in the housing 2: an input shaft 4 that is rotated by a driving force of a driving motor (that is, a so-called driving source) not shown in the figure; The output shaft 5 on the same axis; a plurality of conical rotors 6 are arranged at intervals on the outer circumference of the input shaft 4 and th...

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Abstract

The present invention provided a transmission which smoothly slides a shifting ring, improved durability of its sliding mechanism and to perform desired shifting with high accuracy, in the transmission constituted to change a rotating speed of an output shaft by changing a revolving speed of a conical rotor by changing the frictional engagement position of the shifting ring and the conical rotor. The shifting ring sliding mechanism 8 comprises a holder 9 for holding the shifting ring 7, and a guide shaft 10 mounted along the sliding direction to slidably support the holder 9. A rotating element 11 is engaged on an inner periphery of a through hole of the holder 9 rollably in the sliding direction, and the holder 9 is slid along the guide shaft 10 through the rolling element 11.

Description

technical field [0001] The present invention relates to a transmission whose rotational speed is changed by a rotational driving force of a driving source. Background technique [0002] Conventionally, as a power transmission mechanism for changing the rotational driving force of a drive motor, a transmission having a structure having a plurality of conical rotors arranged at intervals on the outer peripheries of an input shaft and an output shaft, with its center The axis rotates on the axis, and at the same time, performs revolution motion centered on the input shaft and the output shaft; and the speed change ring is formed in a ring shape around a plurality of conical rotors, and the inner peripheral surface and the cone of the plurality of conical rotors Surface friction engagement: by moving the transmission ring from the apex of the cone to the peripheral direction, the frictional engagement position between the transmission ring and the conical surface is changed to c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16H15/00F16H15/52
Inventor 若松俊男
Owner NIDEC SHIMPO CORP
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