A hydraulic transmission unit with a coupling and a brake
A technology of hydraulic transmission and coupling, which is applied in the field of rail cars, can solve the problem that high-speed rail cars cannot be satisfied, and achieve the effects of rapid and reliable braking mode, stable braking mode, and improving safety and reliability.
Active Publication Date: 2018-09-11
CRRC DALIAN INST CO LTD
View PDF7 Cites 0 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
At present, most of the existing hydraulic transmission internal combustion locomotive braking systems in China use traditional friction plate or wheel rim tread structure for vehicle braking. This single braking mode can no longer meet the needs of high-speed rail vehicles and internal combustion EMUs. A hydraulic transmission device with large braking force, small size, compact structure, reliable performance, and smooth braking, to adapt to the field of high-speed rail cars and internal combustion EMUs with higher speed, high reliability, and high safety
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
[0012] The technical solutions in the embodiments of the present invention are clearly and completely described below in conjunction with the drawings in the embodiments of the present invention.
[0013] Such as figure 1 A hydraulic transmission unit with a coupling and a brake is shown, including a power input shaft 6, an output shaft 7, a hydraulic coupling, a hydraulic brake, a shaft sleeve 1, a housing 14, an oil inlet sleeve 5, and an oil seal i -9, oil seal ii-12, output gear 13. The hydraulic coupling includes a coupling pump wheel 3 , a coupling turbine wheel 4 , and a coupling back shell 2 . The hydraulic brake includes a brake rotor 10, a brake stator 8, a brake cover 11, and an oil seal. Input shaft 6 and output shaft 7 are supported on the same axis by bearing i-16, bearing ii-17, bearing iii-18, bearing iv-19 and bearing v-20 in housing 14 respectively. There is a sliding fit gap between the cavity of the input shaft 6 and the output shaft 7 . The input shaft...
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
A hydraulic transmission unit provided with a coupler and a brake is characterized in that an input shaft of a hollow structure, wherein one end of the input shaft is provided with input gears which are supported into a housing through bearings; one side of a solid output shaft passes through an empty cavity of the input shaft, and a shaft sleeve is fixed to the head part of the solid output shaft; one end of the shaft sleeve is supported through a bearing v while the other end of the shaft sleeve is fixedly connected with hydraulic coupler turbines; the hydraulic coupler turbines are fixedly connected with a rear housing; the other side of the output shaft is provided with brake rotors and output gears, and the brake rotors and the output gears are supported through bearings. According to the hydraulic transmission unit provided with the coupler and the brake, a hydraulic traction unit of the coupler and a hydraulic braking unit of the brake are arranged on the same shaft; the input shaft is in noncontact connection with the output shaft; the power transmission is performed in a hydraulic manner. Therefore, the hydraulic transmission unit is long in service life and high in efficiency, and is applicable to a high-gear traction condition of a hydraulic transmission case for a rail car or a diesel multiple unit as well as a braking condition, thus the speed scope is expanded, and the operation stability, safety and reliability can be improved, and as a result, the requirement of a higher-speed rail car and a hydraulic transmission diesel multiple unit can be met.
Description
technical field [0001] The invention relates to transmission systems in the field of rail cars. Background technique [0002] Because hydraulic transmission has obvious advantages such as stable operation, reliability, vibration isolation, overload protection, and low maintenance cost, it is very popular with railway application departments. At present, the hydraulic transmission devices of domestic rail vehicles mostly adopt the structure of hydraulic torque converter plus hydraulic torque converter, and the hydraulic transmission devices for high-speed rail vehicles with small and medium power levels adopt the structure of hydraulic torque converter and hydraulic coupling. The transmission efficiency of the hydraulic transmission device is significantly improved and can reach more than 93%. [0003] At present, due to the continuous development of railways, the running speed of rail cars and internal combustion EMUs will continue to increase. The existing domestic hydraul...
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): F16H47/06B61C9/00
CPCB61C9/00F16H47/06
Inventor 高恩芹庞洁孙志新
Owner CRRC DALIAN INST CO LTD