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Differential speed reducer

A technology of reducer and speed difference, which is applied in the field of speed difference reducer, which can solve the problems of large volume, waste of manpower, material resources, financial resources, large reducer, etc., and achieve the effect of small size and simple structure

Inactive Publication Date: 2006-04-12
ZHEJIANG HENGFENGTAI REDUCER MFG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, traditional reduction devices such as planetary reducers, cycloidal pinwheel reducers, and harmonic reducers, etc., are limited by their deceleration principles. If a large transmission ratio is to be obtained, especially a high-power transmission ratio, the overall volume is very large. Large, resulting in the strange phenomenon that the reducer is larger than the prime mover, which not only causes a great waste of manpower, material resources and financial resources, but also seriously affects the development pace of my country's industrial and agricultural mechanization and the progress of science and technology.

Method used

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  • Differential speed reducer
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Comparison scheme
Effect test

specific Embodiment 1

[0009] Specific embodiment 1: as figure 1 As shown, the casing 11 of the differential speed reducer has a rectangular inner cavity, one end of the driven shaft 4 is rotatably supported on one side of the inner wall, and the other end passes through the opposite wall as an output shaft, and the driving shaft 1 is from the The other shell wall perpendicular to it penetrates into the inner cavity and is vertically aligned with the driven shaft 4. The end of the driving shaft 1 is provided with two bevel gears, one small and one large, respectively, forming a second gear with a smaller diameter. The active bevel gear 3 and the first active bevel gear 2 with a larger diameter are slidingly sleeved on the driven shaft 4 with a large double bevel sliding gear 5 and a small double bevel sliding gear 6 with different relative diameters on the tooth surface. The bevel tooth sliding gear 5 and the small double bevel tooth sliding gear 6 are equipped with an outer ring gear 10 and an inne...

specific Embodiment 2

[0010] Specific embodiment 2: as figure 2 As shown, the second active bevel gear 3 and the first active bevel gear 2 can also be provided with a double bevel gear at the end of the drive shaft 1, and the sides of the double bevel gear are provided with a small bevel gear and a large bevel gear with two rings one behind the other. The second active bevel gear 3 with a smaller diameter and the first active bevel gear 2 with a larger diameter are respectively formed, and the other parts are the same as in the specific embodiment 1.

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Abstract

A differential speed reducer using speed difference to transfer force to obtain big drive ratio is composed of the mutually perpendicular drive axle and driven axle, the first and second drive bevel gears, the big and small gears with dual-conic teeth and sliding on driven axle, and a planetary gear between the internal toothed rings of said big and small gears and engaged with them. Regulating the difference between the diameters of said big and small gears can obtain needed drive ratio up to thousands or ten thousands.

Description

technical field [0001] The invention relates to a mechanical transmission device, specifically a speed difference speed reducer with a large transmission ratio that completes force transmission with a speed difference of non-uniform motion. Background technique [0002] The reducer is an important part of mechanical transmission, and its application scope involves various fields of national economic construction and all walks of life. Internationally and domestically, all power machinery transmission devices are developing in the direction of miniaturization, high speed, low noise and high reliability, and the reducer is developing in the direction of miniaturization and large transmission ratio (thousands to tens of thousands). However, traditional reduction devices such as planetary reducers, cycloidal pinwheel reducers and harmonic reducers, etc., are limited by their deceleration principles. If they want to obtain a large transmission ratio, especially a large transmissi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16H3/50
CPCF16H1/2854
Inventor 吴师桂
Owner ZHEJIANG HENGFENGTAI REDUCER MFG