Dynamic gear shifting transmission-gear box suitable for engineering machinery

A technology for power shifting and construction machinery, applied in the field of power shifting gearboxes, it can solve problems such as complex and multi-part transmission routes, and achieve the effects of reduced parts loss, compact gearbox structure, and effective power transmission

Inactive Publication Date: 2008-08-13
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

Examples

Experimental program
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Embodiment Construction

[0012] As shown in Figure 1 and Figure 2, the present invention consists of 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 gears 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, and the input shaft 16 and some intermediate shafts 17, 18, 22 and above Gears 2, 3, 4, 5, 6, 9, 10 form a reversing gear set, and the intermediate shafts 19, 20, 21, 23 and the gears 7, 8, 11, 12, 13, 14, 15 form one Transmission gear set, the fixed gear 2 on the input shaft 16 is simultaneously permanently meshed with the three movable gears 4, 6, 10 on the first intermediate shaft 17, the second intermediate shaft 18, and the sixth intermediate shaft 22, and the second intermediate shaft The fixed gear 5 on the shaft 18 is permanently meshed with the fixed gear 9 on the sixth intermediate shaft 22, and the fixed gear 7 on the third intermediate shaft 19 is simultaneously with the two fixed gears on the first intermediat...

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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 quadrilateral arrangement, 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 construction machinery, in particular to a power shift gearbox for loaders and graders. Background technique [0002] At present, gearboxes on construction machinery, such as wheel loaders, graders, dump trucks, and excavators usually have planetary and fixed-shaft gearboxes. Planetary gearboxes are used, which are complex in processing, require high precision, and have fewer gears. , The transmission efficiency is low, and the manufacturing cost is high. Another fixed-shaft gearbox, such as a multi-speed reverse vehicle gearbox that can shift under load, is disclosed in the Chinese Patent Application Publication CN1068939C. Gears require two clutches, ten gears and six meshes to achieve power output. However, the forward first gear is generally used at a higher rate of about 30%. The greater the number of gears and the number of meshing during the transmission process, it will directly lead to the...

Claims

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Application Information

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Patent Type & Authority Applications(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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