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Dynamic gear shifting transmission-gear box suitable for engineering machinery

A technology of power shifting and construction machinery, applied in the field of power shifting gearbox, can solve the problems of complexity and multiple transmission routes of parts, and achieve the effects of reduced loss of parts, compact gearbox structure, and effective power transmission.

Inactive Publication Date: 2010-06-02
SICHUAN CHENGDU CHENGGONG CONSTR MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The present invention aims at the problem of many gearbox parts and complicated transmission routes at present, and provides a power shift gearbox suitable for construction machinery with few parts and compact structure

Method used

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  • Dynamic gear shifting transmission-gear box suitable for engineering machinery
  • Dynamic gear shifting transmission-gear box suitable for engineering machinery
  • Dynamic gear shifting transmission-gear box suitable for engineering machinery

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Experimental program
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Embodiment Construction

[0012] Depend on figure 1 and figure 2 Shown, the present invention is by an input shaft 16, an output shaft 23, some intermediate shafts 17,18,19,20,21,22 and some clutches 24,25,26,27,28,29 and gear 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, wherein the input shaft 16 and some intermediate shafts 17, 18, 22 and the gears 2, 3, 4 on them . The fixed gear 2 on the input shaft 16 is in permanent mesh with the three movable gears 4, 6, 10 on the first countershaft 17, the second countershaft 18, and the sixth countershaft 22 at the same time, and the fixed gear on the second countershaft 18 5 is permanently meshed with the fixed gear 9 on the sixth countershaft 22, the fixed gear 7 on the third countershaft 19 is simultaneously engaged with the two fixed gears 3, 9 on the first countershaft 17, the sixth countershaft 22 and the fourth The two movable gears 13 and 11 on the intermediate shaft 20 and the fifth intermediate shaft 21 are permanently meshed, and the fixed g...

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PUM

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Abstract

The present invention provides a power shift gearbox fit for engineering plant, mainly resolving complex problem of many gearbox spares and transmission route for present engineering plant. The invention is composed of an input shaft, an output shaft, some center shafts and some clutches and gears, wherein some gears form a reversing gear set, the other gears form a driver gear set, the input shaft and the second, sixth center shafts seen from end show triangle arrangement according to the transmission route of axes, the input shaft and the first, second, sixth middle shafts show quadrilateralarrangement, the output shaft and the third, fouth, fifth center shafts show quadrilateral arrangement. The transmission route of the structure is more compact, using less spares, high transmission efficiency.

Description

technical field [0001] The invention relates to a power shift gearbox suitable for engineering machinery, in particular to a power shift gearbox for loaders and graders. Background technique [0002] At present, the gearboxes on construction machinery, such as wheel loaders, graders, dump trucks, and excavators, usually have two types: planetary and fixed-axis. The planetary gearbox has complex processing, high precision requirements, and few gears. , the transmission efficiency is low, and the manufacturing cost is high. Another kind of fixed-shaft gearbox, such as the Chinese invention patent application publication specification CN1068939C, discloses a multi-speed reversing gearbox that can shift gears under load. A gear requires two clutches, ten gears, and six meshes to achieve power output. However, the first gear forward generally has a higher usage rate, about 30%. The more gears and the number of meshes in the transmission process, the more the transmission efficien...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16H3/08
CPCF16H3/093F16H2003/0935
Inventor 吴水深李华张孟霞姚进梁建宗
Owner SICHUAN CHENGDU CHENGGONG CONSTR MACHINERY
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