Variable-Frequency Pump Controlled Piston System for Box Jacking

Liu Ping Pan; Zhi Nan Mi

doi:10.4028/www.scientific.net/AMM.365-366.959

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 365-366Variable-Frequency Pump Controlled Piston System...

Variable-Frequency Pump Controlled Piston System for Box Jacking

Abstract:

In Shanghai Beihong Vehicular Undercrossing Tunnel project, a new type of hydraulic speed-regulating system, which is variable-frequency pump controlled piston system, was used. It uses variable-frequency technology to adjust rotary speed of driving motor. It can fulfill stepless speed-regulating and has good characteristic of power adaptation and energy-saving. The composition of system and working principle are stated, and mathematical model is derived. Digital simulation results show that the system has good controllability.

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Periodical:

Applied Mechanics and Materials (Volumes 365-366)

Pages:

959-962

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.365-366.959

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Online since:

August 2013

Authors:

Liu Ping Pan, Zhi Nan Mi

Keywords:

Box Jacking, Pump Controlled by Variable-Frequency, Saving-Energy

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References

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