Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Shift control device, shift control method, gear box and engineering machinery

A technology of a control device and a control method, applied in mechanical equipment, transmission control, components with teeth, etc., can solve problems such as reduced power transmission performance, achieve smooth power transfer, fast shift response, and reduce wear and tear.

Active Publication Date: 2012-10-10
SANY HEAVY IND CO LTD (CN)
View PDF5 Cites 3 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The technical problem to be solved by the present invention is to provide a new technical solution for shift control, which can overcome the problem of reduced power transmission performance caused by clutch manufacturing errors or wear and tear, and ensure fast shift response and power handover at any time. Smooth, but also able to reduce the slip friction generated in the clutch to reduce the wear of the clutch

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Shift control device, shift control method, gear box and engineering machinery
  • Shift control device, shift control method, gear box and engineering machinery
  • Shift control device, shift control method, gear box and engineering machinery

Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach 1

[0087] Such as Figure 8 As shown, the shift expert control device 800 provided in this embodiment includes:

[0088] The rotational speed detection unit 802 detects the rotational speeds of multiple shafts in the gearbox. The rotation speed detection unit 802 includes a rotation speed sensor 8022 arranged on each shaft of the gearbox, wherein the shaft A is connected to the engine, and the rotation speed of the shaft A can be obtained directly from the engine rotation speed (the sensor 8022 can be used to detect the rotation speed of the engine shaft, or the equivalent reading The engine detection unit 8024 of the interface reads the engine speed from the construction machinery system), and the other four axes obtain signals through the speed sensor 8022 to realize the monitoring of multi-axis speed, and the control unit 804 can obtain the speed of each shaft through analysis and calculation .

[0089] The control unit 804 is connected to the rotation speed detection unit 8...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention provides a shift control device, a shift control method, a gear box and engineering machinery. The shift control device can comprise a rotational speed detection unit which is used for detecting the rotational speed of a plurality of shafts in the gear box in real time; a control unit which is connected to the rotational speed detection unit and notifies an adjustment execution unit to adjust operating pressure of fraction elements in a clutch; and the adjustment execution unit which is connected to the control unit and is used for adjusting the operating pressure of the fraction elements. By adopting the technical scheme of the invention, shift requirements such as rapid shift response, and smooth power transition can be satisfied.

Description

technical field [0001] The invention relates to the field of construction machinery transmission, in particular, to a shift control device, a shift control method, a gearbox and construction machinery. Background technique [0002] In the transmission system of construction machinery, a power shift gearbox is usually set up, mainly through hydraulically controlling the engagement and disengagement of the multi-disc clutch under load, and selecting different meshing relationship gear trains, so that the transmission ratio of the gearbox and The direction of rotation of the output shaft changes, thereby changing the speed and direction of travel (forward or reverse). [0003] The working environment of construction machinery is relatively complex, especially for equipment driven by gearboxes such as motor graders, loaders, and mechanical road rollers. The gear shifting performance is highly dependent on the power transmission performance of the clutch. [0004] Secondly, due...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): F16H59/46F16H61/02
Inventor 马娇李志勇符溪
Owner SANY HEAVY IND CO LTD (CN)
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com