Locking and unlocking method and system of hydraulic torque converter and construction machine used for hauling
A hydraulic torque converter, unlocking technology, applied to mechanical equipment, components with teeth, belts/chains/gears, etc., can solve problems such as low transmission efficiency of hydraulic torque converters, increased fuel consumption and emission pollution
Active Publication Date: 2015-04-01
SHANTUI CONSTR MASCH CO LTD
View PDF7 Cites 0 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
[0003] However, the transmission efficiency of the hydraulic torque converter is low, especially in the case of high construction machinery speed, the transmission efficiency drops sharply, which will cause a significant increase in fuel consumption and emission pollution
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 moreImage
Smart Image Click on the blue labels to locate them in the text.
Smart ImageViewing Examples
Examples
Experimental program
Comparison scheme
Effect test
Embodiment Construction
[0042] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0043] The embodiment of the invention discloses a hydraulic torque converter closing and unlocking method, system and engineering machinery used for traction work, so as to be suitable for the closing and unlocking control of the hydraulic torque converter of the engineering machinery used for traction work.
[0044] A method for closing and unlocking a hydraulic torque converter disclosed in this embodiment, such as figure 1 shown, including steps:
[0045] S101...
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
Login to View More Abstract
The invention discloses a locking and unlocking method of a hydraulic torque converter. The method comprises the following steps of: obtaining a turbine rotation speed and an engine rotation speed under the current throttle state; calculating to obtain rotation speed ratio, wherein the rotation speed ratio is a specific value of the turbine rotation speed to the engine rotation speed; if the rotation speed ratio is in a preset rotation speed ratio range, keeping the current working state of the hydraulic torque converter; when the rotation speed ratio is judged to be higher than a locking rotation speed ratio in the preset rotation speed ratio range, locking the hydraulic torque converter; when the rotation speed ratio is judged to be lower than the unlocking rotation speed ratio in the preset rotation speed ratio range, unlocking the hydraulic torque converter. According to the method, system and the construction machine provided by the invention, the working state of the current construction machine is determined according to the specific value of the turbine rotation speed to the engine rotation speed, thereby realizing locking and unlocking of the hydraulic torque converter; and the problems that the transmission efficiency is low and the oil consumption and the pollution are increased caused by the fact that the hydraulic torque converter works under the condition that the working efficiency of the construction machine is lower can be solved.
Description
technical field [0001] The invention relates to the technical field of construction machinery, and more specifically, to a hydraulic torque converter closing and unlocking method, system and construction machinery for traction work. Background technique [0002] The hydraulic torque converter is widely used in construction machinery due to its ability to automatically change the traction force or speed according to the change of the external load. It can reduce the dynamic load and vibration of the transmission system, prolong the service life of the transmission system, and improve the driving safety and passability of the vehicle. [0003] However, the transmission efficiency of the hydraulic torque converter is low, especially in the case of high construction machinery speed, the transmission efficiency drops sharply, which will cause a significant increase in fuel consumption and emission pollution. In order to improve the transmission efficiency of the hydraulic torque...
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
Login to View More Patent Type & Authority Patents(China)
IPC IPC(8): F16H59/46F16H59/68F16H59/70
Inventor 张立银宋文龙侯文军田铁军张明月李宣秋张亮宋润州冯西友李乃柱吕文彬
Owner SHANTUI CONSTR MASCH CO LTD