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Rotating key ratchet clutching mechanism for coaxial transmission

A technology of clutch mechanism and transmission, which is applied in the direction of mutually meshing clutches, clutches, mechanical drive clutches, etc., can solve the problems of complex structure and operation, large volume, etc., and achieve the goal of compact structure, simplified complex structure, and simplified shifting operation Effect

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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If there is a requirement for speed change in machinery, various clutches are needed to change the meshing and transmission laws of different moving parts, making its structure and operation complex and bulky

Method used

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  • Rotating key ratchet clutching mechanism for coaxial transmission
  • Rotating key ratchet clutching mechanism for coaxial transmission
  • Rotating key ratchet clutching mechanism for coaxial transmission

Examples

Experimental program
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Embodiment Construction

[0012] The principle of the rotary key ratchet clutch mechanism is as follows: figure 1 shown. Taking the planetary gear reducer as an example, the motion mechanism connects the drive shaft (7) with the sun gear (4) in the planetary gear reducer through a rotary key clutch mechanism. The rotating key clutch mechanism is made up of working rotating key (5), matching key (6) and axle sleeve (9). Axle sleeve (9) is connected with sun gear (4) by common flat key (11), can drive sun gear (4) to rotate by axle sleeve (9). The working key (5) is installed in the semicircular keyway on the inner surface of the shaft sleeve (9), the matching key (6) is installed in the semicircular keyway on the outer surface of the drive shaft (7), and the shaft sleeve (9) is sleeved on the On the driving shaft (7), when the semicircular groove of the bushing (9) and the semicircular groove of the driving shaft (7) meet at a certain angle, a circular keyway can be formed. In the circular keyway, the...

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Abstract

The invention provides a rotating key ratchet clutching mechanism for a coaxial transmission; and taking a planetary reducer as an example, a motion mechanism connects a driving shaft with a sun gearin the planetary reducer through a rotating key clutching mechanism. An external control mechanism controls a work rotating key of the rotating key clutching mechanism, and drives a matching key to rotate to control the transmission connection and disconnection of the driving shaft and a shaft sleeve. One end is fixedly connected with a pallet. A planetary carrier is connected with an output shaftof a speed reducer through a common flat key; and one end of the output shaft is fixedly connected with an inner-engaged ratchet. When the external control mechanism rotates the work rotating key anddrives the matching key to rotate by a certain angle, the driving shaft is released from the shaft sleeve; and meanwhile, the matching key is rotated to drive the pallet to rotate to engage with theinner-engaged ratchet to realize direct connecting transmission of the driving shaft and the output shaft. When the external control mechanism rotates the work rotating key to another angle and drivesthe matching key to rotate, the driving shaft and the sun gear are in connecting transmission; and meanwhile, the matching key is rotated to drive the pallet to rotate to deviate from the ratchet, sothat the driving shaft and the output shaft are disconnected to realize another transmission ratio.

Description

technical field [0001] The invention is mainly used in the field of mechanical transmissions. Background technique [0002] The coaxial reducer is a reduction mechanism whose input shaft and output shaft are located on the same axis, such as planetary reducer, harmonic reducer and cycloid reducer. This type of reducer has some outstanding advantages such as compact structure, The characteristics of large speed ratio, high transmission efficiency, stable transmission, low noise and high precision are widely used in various mechanical equipment. For example, when the machine has a speed change requirement, various clutches are needed to change the meshing and transmission laws of different moving parts, making its structure and operation complex and bulky. Contents of the invention [0003] In order to reduce the structure and operation complexity of the clutch mechanism of the coaxial transmission and further make the structure more compact, the present invention provides ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16D11/00F16H3/70
CPCF16D11/00F16H3/70F16D2011/008
Inventor 马鑫李斌朱子环段娜敖春芳刘岳鹏宋绪勇
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