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Split line precision gear transmission mechanism

A gear transmission mechanism and line-splitting technology, which is applied to transmission devices, friction transmission devices, belts/chains/gears, etc., can solve the problems of high manufacturing precision, complex transmission structure, and tooth backlash, etc. Simple, high transmission precision, stable transmission effect

Active Publication Date: 2019-04-02
南京南传智能技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The structure of high-power high-speed gear transmission is relatively complex, and the manufacturing precision is high; the tooth surface is relatively slippery, which is prone to wear; there is backlash on the tooth side, which affects the transmission accuracy

Method used

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  • Split line precision gear transmission mechanism
  • Split line precision gear transmission mechanism
  • Split line precision gear transmission mechanism

Examples

Experimental program
Comparison scheme
Effect test

specific Embodiment 1

[0039] figure 1 It is a specific embodiment of the outer split line precision gear transmission mechanism disclosed by the present invention, which is characterized in that the base circle of the gear I13 is 40 mm, the tooth width is 20 mm, the outer cylindrical surface is uniformly processed with 10 teeth in the circumferential direction, and the base circle of the cylindrical wheel I4 is 80 mm. There are 20 rollers I9 evenly installed in the circumferential direction of the cylindrical wheel I4. The diameter of the rollers I9 is ​​4mm. The needle roller I1 is evenly distributed in the circumferential direction, the baffle I12 is installed on the end face of the cylindrical wheel I4 through the bolt I10, the gear I13 is installed on the small shaft I6, the cylindrical wheel I4 is installed on the large shaft I3, and the large shaft I3 is parallel to the rotation center of the small shaft I6 , the distance is 60mm, the gear I13 tooth surface is tangent to the roller I9, and th...

specific Embodiment 2

[0045] image 3 It is a specific embodiment of the precision gear transmission mechanism of inner-inner splitting disclosed by the present invention. It is characterized in that the base circle of gear II19 is 200 mm, the tooth width is 20 mm, and the inner cylindrical surface is uniformly processed with 50 teeth in the circumferential direction, and the base circle of cylindrical wheel II17 is 80 mm. , Cylindrical wheel II17 is evenly installed with 20 rollers II24 in the circumferential direction, the diameter of roller II24 is 4mm, the geometric center line of roller II24 is on the base circle of cylindrical wheel II17, and 8 needle rollers II16 are respectively installed at both ends , The needle roller II16 is evenly distributed in the circumferential direction, and the baffle II28 is installed on the end face of the cylindrical wheel II17 through the bolt II25. The gear II19 is installed on the major shaft II22, the cylindrical wheel II17 is installed on the minor axis I...

specific Embodiment 3

[0050] Figure 5 It is a specific embodiment of the precision gear transmission mechanism with inner and outer splitting lines disclosed by the present invention. It is characterized in that the base circle of gear III35 is 80 mm, the tooth width is 20 mm, and the outer cylindrical surface is uniformly processed with 20 teeth in the circumferential direction, and the base circle of cylindrical wheel III39 is 200 mm. 50 rollers III32 are evenly installed on the circumference of the cylindrical wheel III39. The diameter of the rollers III32 is 4mm. The needle rollers III31 are evenly distributed in the circumferential direction, and the baffle plate III40 is installed on the end face of the cylindrical wheel III39 through bolts III42. The gear III35 is installed on the small shaft III43, and the cylindrical wheel III39 is installed on the large shaft III37. The center of rotation of the large shaft III37 is parallel to the center of rotation of the small shaft III43 with a dista...

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Abstract

The invention relates to a split precision gear transmission mechanism and belongs to the field of precision gear transmission mechanisms. The split precision gear transmission mechanism comprises a cylindrical wheel and a gear which are arranged in a cavity, the cavity is composed of an end cover and a housing, and the cylindrical wheel is connected with the gear in an engaged transmission mode. The split precision gear transmission mechanism is characterized in that the cylindrical wheel comprises pin rollers arranged around the axis of the cylindrical wheel, the geometric center lines of the pin rollers are located on the base circle of the cylindrical wheel, and through engagement of the multiple pin rollers and the gear, transfer of the rotation speed and torque is achieved; roller needles are installed at the two ends of the pin rollers, pure rolling of the pin rollers on the gear surface is achieved, the transmission efficiency is high, the degree of abrasion is low, and the service life of the transmission mechanism is long; the number of teeth in engagement is large, and transmission is stable; the mechanism is provided with no gear side back lash, thereby having high transmission precision; and the mechanism is easy to machine and manufacture.

Description

technical field [0001] The invention belongs to the field of precision gear transmission mechanisms, and in particular relates to a split-line precision gear transmission mechanism. Background technique [0002] The gear transmission mechanism is mainly composed of gears, etc. As an important part of the transmission machinery, the gear transmission mechanism has been widely used in industrial production. The structure of high-power high-speed gear transmission is relatively complex, and the manufacturing precision is high; the tooth surface is relatively slippery, which is prone to wear; there is backlash on the tooth side, which affects the transmission precision. Contents of the invention [0003] In order to solve the deficiencies in the above technologies, the present invention provides a split-line precision gear transmission mechanism. A new type of tooth shape is designed according to the principle of gear envelope, and the rolling mesh of the gear is realized by ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16H13/08
CPCF16H13/08
Inventor 杨荣刚徐宝文
Owner 南京南传智能技术有限公司