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Method and system for controlling gear shifting process of multiple clutch packs

A multi-clutch, process control technology, applied in transmission control, toothed components, belts/chains/gears, etc., can solve the problem that multiple clutch packs are not involved in shifting oil pressure control, and achieve power interruption and power backflow problems, and the effect of improving the smoothness of shifting

Active Publication Date: 2022-08-09
JIANGSU ADVANCED CONSTR MASCH INNOVATION CENT LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The existing technology has the following defects: the above technology only studies the oil pressure switching control method between two clutch packs, and has not yet set foot in the shift oil pressure control of multiple clutch packs

Method used

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  • Method and system for controlling gear shifting process of multiple clutch packs
  • Method and system for controlling gear shifting process of multiple clutch packs
  • Method and system for controlling gear shifting process of multiple clutch packs

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] A method for controlling a multi-clutch package shifting process, comprising:

[0037] Gear according to demand Req , the current gear Gear Curr And whether the preset conditions for power shifting are met, and the type of transmission shifting is judged;

[0038] In response to the transmission shift type judging that the multi-clutch package has a power upshift, the four clutch package switching process is split into the current gear Gear Curr Corresponding directional clutch to the required gear Gear Req Corresponding to the power downshift of the directional clutch, and the current gear Gear Curr Corresponding gear clutch to the required gear Gear Req The power upshift process of the corresponding gear clutch;

[0039] When shifting, firstly control the required gear Gear Req The corresponding gear clutch is filled with oil and reaches the half-joint state; controls the current gear Gear Curr The corresponding gear clutch and directional clutch begin to drain o...

Embodiment 2

[0077] like figure 1 As shown, a multi-clutch packet shifting process control system includes a controller (ie, a transmission control unit), the controller includes a memory and a processor, the memory is used to store instructions, and the instructions are used to control the processing The controller operates to execute the above-mentioned multi-clutch package shift process control method.

[0078] In some embodiments, the memory also stores power shift preset conditions.

[0079] In some embodiments, the multi-clutch package shift process control system further includes: a shift handle, a transmission control unit, and a rotational speed sensor; the shift handle and the rotational speed sensor are all connected to the transmission control unit.

[0080] The shift handle is used for starting the whole machine, changing the driving direction and changing the gear of the transmission.

[0081] The rotational speed sensor is installed on the gearbox and is used to collect th...

Embodiment 3

[0084] A construction machine includes the above-mentioned multi-clutch package shift process control system.

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PUM

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Abstract

The present invention disclosed a multi -clutch package transition process control method and system, and Gear Req The current gear Gear Curr And whether to meet the preset conditions of the power shift, judge the type of gearbox shift; when the judgment result is a multi -clutch package with a power lifting mode, the shift process is decomposed intoIn the process of power lifting, performing a multi -clutch pack with power lift clutch torque switching process; when the judgment result is a multi -clutch package with power drop mode, the shift process is decomposed into the power lift between the gear clutch and the direction clutch between the clutch and the direction clutch.In the process of dynamic dynamics, the dynamic dynamic transmission clutch torque switching process is performed.It can effectively solve the problem of power interruption and power return during the multi -clutch pack transformation.

Description

technical field [0001] The invention belongs to the technical field of construction machinery, and relates to a multi-clutch package shifting process control method and system. Background technique [0002] The construction machinery power shift transmission forms different transmission gears through the mutual combination of multiple internal wet clutches. Typically, a gearbox includes a range clutch and a directional clutch. The gearbox gears are combined with a directional clutch and a gear clutch to form different gear ratios. When shifting the gearbox, only the torque is exchanged between the two gear clutches corresponding to the current combined gear and the required combined gear. With the advancement of the times, the modern whole machine technology requires more gears of the gearbox, so the number of clutches involved in the torque exchange during the shifting process has also changed from the original two to multiple. Compared with the multi-clutch package, the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16H61/02F16H61/06
CPCF16H61/0265F16H61/061F16H2061/062
Inventor 刘彦辉朱浩月赵文祥丁亚委
Owner JIANGSU ADVANCED CONSTR MASCH INNOVATION CENT LTD