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A two-speed reducer

A technology of reducer and power mechanism, applied in mechanical equipment, transmission device, gear transmission device, etc., can solve the problems of increasing the radius of the intermediate shaft, increasing the mechanical strength, increasing the width of the reducer, etc., to shorten the length, reduce the diameter, The effect of reducing the width

Active Publication Date: 2018-12-14
WUHAN MARINE MACHINERY PLANT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, since two clutch gears and one countershaft gear need to be arranged on one countershaft at the same time, the length of the countershaft needs to be designed longer, which leads to an increase in the width of the reducer, so that the installation of the reducer may be limited, and at the same time Due to the increase in the length of the intermediate shaft, the radius of the intermediate shaft has to be increased to increase its mechanical strength, resulting in an increase in the size and production cost of the reducer

Method used

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  • A two-speed reducer
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  • A two-speed reducer

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Embodiment Construction

[0023] In order to make the object, technical solution and advantages of the present invention clearer, the implementation manner of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0024] figure 1 It is a schematic structural diagram of a two-speed reducer provided by an embodiment of the present invention, as shown in figure 1 As shown, the reducer includes a case 10, an input shaft 20, a first intermediate shaft 30, a second intermediate shaft 40, a third intermediate shaft 50, an output shaft 70, a first clutch 91 and a second clutch 92, and the input shaft 20. The first intermediate shaft 30 , the second intermediate shaft 40 , the third intermediate shaft 50 and the output shaft 70 are arranged in the box body 10 at intervals in parallel, figure 2 yes figure 1 A-A sectional view in, such as figure 2 As shown, the first gear 211 is coaxially fixed on the input shaft 20, the second gear 321 is coaxially f...

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Abstract

The invention discloses a double-speed reducer and belongs to the field of reducers. The double-speed reducer comprises a box, an input shaft, a first intermediate shaft, a second intermediate shaft, a third intermediate shaft, an output shaft, a first clutch and a second clutch, wherein a first gear is arranged on the input shaft; a second gear is arranged on the first intermediate shaft; the input shaft is in transmission connection with the first intermediate shaft; a first clutch gear is arranged on the first intermediate shaft; a fifth gear is arranged on the output shaft and is meshed with the first clutch gear; a reduction ratio is obtained through controlling connection of the first clutch gear and the first intermediate shaft by the first clutch; a third gear is arranged on the second intermediate shaft and is meshed with the second gear; a fourth gear is arranged on the third intermediate shaft and is meshed with the third gear; a second clutch gear is arranged on the third intermediate shaft and is meshed with the fifth gear; and another reduction ratio is obtained through controlling connection of the second clutch gear and the third intermediate shaft by the second clutch.

Description

technical field [0001] The invention relates to the field of reducers, in particular to a two-speed reducer. Background technique [0002] The reducer is a very common device used to reduce the speed of mechanical equipment, and it has been widely used in various mechanical equipment. [0003] Common reducers are mainly gear reducers. The gear reducer mainly includes a box body and an input shaft and an output shaft arranged in the box body. Due to the difference in the number of teeth of the gears on the input shaft and the output shaft, the input shaft and the output shaft pass through A series of gear transmission connections can get a lower speed on the output shaft. For the reducer with two or more stages, there are several intermediate shafts between the input shaft and the output shaft, and the intermediate shafts are all set There are gears, the gears on the input shaft and the gears on the output shaft are connected through the gear transmission on the intermediate...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16H3/093F16H57/023
CPCF16H3/093F16H57/023
Inventor 许有良张勇勇徐锡锋白宗
Owner WUHAN MARINE MACHINERY PLANT