Experiment of Shift Quality for Integrated Transmission Systemof Tracked Vehicle in Turning Conditions
[1]CAO Fu-yi,GUO Guang-lin,ZHOU Zhi-li,et al.Experiment of Shift Quality for Integrated Transmission Systemof Tracked Vehicle in Turning Conditions[J].Journal of Zhengzhou University (Engineering Science),2015,36(03):49-53.[doi:10.3969/ j. issn.1671 - 6833.2015.03.011]
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Journal of Zhengzhou University (Engineering Science)[ISSN
1671-6833/CN
41-1339/T] Volume:
36
Number of periods:
2015 03
Page number:
49-53
Column:
Public date:
2015-06-30
- Title:
- Experiment of Shift Quality for Integrated Transmission Systemof Tracked Vehicle in Turning Conditions
- CLC:
- S219.032.3
- DOI:
- 10.3969/ j. issn.1671 - 6833.2015.03.011
- Abstract:
- The shift quality is always the important research and development content of variable transmission sys-tem for vehicle.With the research object being integrated transmission system of tracked vehicle composed ofhydro-mechanical continuously variable transmission and hydro-mechanic differential turning mechanism,after an a-nalysis of the evaluating indicators of shift quality,and in consideration of the working characteristic of farm trackedvehicle,it is put forward that the dynamic load coefficient and shift time are as the evaluating indicators of shiftquality test.The test bench is made up of driving system,measured system,load simulation system and observingand controlling system etc.The LR6105ZT10 diesel engine acts as driving system.The CW150 electric eddy currentdynamometer electro-hydraulic proportional control disc brake act as the load simulation system.The observing andcontrolling system is mainly made up of industrial control computers. The calculation models of engine and load ofintegrated transmission system are established.The turning load coefficient is adopted to express the two side loadchange relationship of integrated transmission system of tracked vehicle. The controlling method of engine and reali-zing method of load on test bench are given. As the example for F4 switching F5,the test research of shift processof tracked vehicle based on integrated transmission in turning conditions was carried out.
- References:
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