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Helical arc gear mechanism meshing transmission in parallel shafts

A circular arc gear, circular arc tooth technology, applied in the direction of transmission, gear transmission, belt/chain/gear, etc., can solve the problems of limited load, transmission failure, limited use range, etc. The effect of carrying capacity

Inactive Publication Date: 2015-04-29
CHINA UNIV OF GEOSCIENCES (WUHAN)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The biggest limitation of the above-mentioned transmission mechanisms is that they rely on the space slender hook rods on the main and driven wheels for meshing movement, and the load they can bear is very limited, so they can only realize the continuous transmission of small forces or motions in small spaces , but cannot realize the conventional power transmission necessary for industrial applications between two parallel shafts in the plane; moreover, there is a large gap between their hook rods. Large impact, or even breakage, causing transmission failure
Therefore, their scope of use is extremely limited

Method used

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  • Helical arc gear mechanism meshing transmission in parallel shafts

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Embodiment 1

[0048] Embodiment 1: The present invention provides a spiral arc gear mechanism for internal meshing transmission of parallel shafts, which is applied to deceleration transmission by adopting the internal meshing transmission mode of parallel shafts, such as figure 1 As shown, it includes the small wheel 3 and the large ring gear 7, the small wheel 3 and the large ring gear 7 form a pair of transmission pairs, the small wheel 3 is connected to the input shaft 4, the large ring gear 7 is connected to the output shaft 8 through the connecting sleeve, and the small wheel 3 and the axes of the large ring gear 7 are parallel to each other.

[0049] The structure of steamboat 3 sees figure 1 , 2 , 3, 4, the small wheel 3 is evenly distributed with spiral arc teeth 1 on the outer surface of the cylinder, the radius of the cylinder of the small wheel is the spiral radius of the center line 10 of the spiral arc teeth minus b, the spiral arc teeth and There is a transition fillet 2 be...

Embodiment 2

[0075] Embodiment 2: A helical arc gear mechanism for internal meshing transmission of parallel shafts according to the present invention is applied to speed-up transmission by adopting the internal meshing transmission mode of parallel shafts. like Figure 10 As shown, when the large ring gear 7 is installed, it is connected with the large central hole of the connecting sleeve 9 by an interference fit, and the small central hole of the input shaft 4 and the connecting sleeve 9 is also connected by an interference fit, that is, the large ring gear 7 passes through the connecting sleeve 9 The input shaft 4 is connected, and the small wheel 3 is connected to the output shaft 8, that is, the small wheel 3 is connected with the driven load through the output shaft 8; the axes of the small wheel 3 and the ring gear 7 are parallel to each other. In this embodiment, there are 32 spiral circular arc grooves 6 on the large ring gear 7, and there are 2 spiral circular arc teeth 1 on the...

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Abstract

The invention relates to a helical arc gear mechanism meshing transmission in parallel shafts. The helical arc gear mechanism comprises a pinion and a big gear ring which form a transmission pair, and axes of the pinion and the big gear ring are parallel to each other; helical arc teeth are arranged on the outer surface of a cylinder of the pinion, helical arc grooves are arranged in the inner surface of a hollow cylinder of the big gear ring, the helical arc teeth are matched with the helical arc grooves, and center lines of the helical arc teeth and the helical arc grooves are cylindrical helixes. When the pinion and the big gear ring are mounted, one pair of the helical arc grooves is meshed with the helical arc teeth firstly, a driver drives an input shaft, the pinion and the big gear ring to rotate, and internal meshing transmission between the two parallel shafts is realized. The shape of the helical arc teeth and the helical arc grooves can be determined according to parameters such as transmission ratio and a center line equation. The gear mechanism is compact in structure, small in size, lightweight, large in strength and rigidity, high in contact ratio, large in transmission ratio and applicable to the fields of mini and micro mechanics and conventional mechanics.

Description

technical field [0001] The invention relates to a helical arc gear mechanism for internal meshing transmission of parallel shafts, in particular to a helical arc gear mechanism based on a parallel shaft transmission space curve meshing method. The meshing method of this mechanism transmission is different from the curved surface meshing method of traditional arc gear transmission. Background technique [0002] As the basic transmission element in mechanical transmission, gears are widely used in the fields of industry, agriculture, medicine, national defense, military and aerospace to realize the function of motion or power transmission. The research on gear design theory and manufacturing technology has been developed for hundreds of years, and gradually established the basic theory of traditional gear meshing: curved surface meshing theory. The gear industry has become the largest industry in the mechanical infrastructure of most countries. The development trend of moder...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16H1/34
CPCF16H1/34
Inventor 陈祯李波赵权
Owner CHINA UNIV OF GEOSCIENCES (WUHAN)
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