Dynamic characteristics analysis of triangular damping groove in port plate of double compound axial piston pump

2021 ◽  
Author(s):  
Zhiyuan Sun ◽  
Qingliang Zeng ◽  
Lirong Wan ◽  
Jinying Jiang
Keyword(s):  
Dynamic Characteristics ◽  
Piston Pump ◽  
Axial Piston Pump ◽  
Characteristics Analysis ◽  
Axial Piston ◽  
Dynamic Characteristics Analysis

The direct measurement of the cylinder block dynamic characteristics based on a non-contact method in an axial piston pump

Measurement ◽  
2021 ◽  
Vol 167 ◽  
pp. 108279
Author(s):  
Haogong Xu ◽  
Junhui Zhang ◽  
Guangmin Sun ◽  
Weidi Huang ◽  
Xiaochen Huang ◽  
...  
Keyword(s):  
Direct Measurement ◽  
Dynamic Characteristics ◽  
Piston Pump ◽  
Cylinder Block ◽  
Contact Method ◽  
Axial Piston Pump ◽  
Axial Piston ◽  
Block Dynamic

Study on Dynamic Characteristics of Negative Flow Control Variable Axial Piston Pump for Hydraulic Excavator

2021 ◽  
Author(s):  
Jin-yan Sh ◽  
Ke-chang Zhang
Keyword(s):  
Flow Control ◽  
Dynamic Characteristics ◽  
Control Mechanism ◽  
Simulation Analysis ◽  
Control Variable ◽  
Piston Pump ◽  
Mechanical Equipment ◽  
Hydraulic Excavator ◽  
Axial Piston Pump ◽  
Axial Piston

Hydraulic excavator is important mechanical equipment in engineering construction, which is widely used in mining enterprises, construction industry, etc. Variable axial piston pump is the main power component of hydraulic excavator. The negative flow control variable axial piston pump is deduced and the mathematical model is established. The dynamic simulation model of negative flow control variable axial piston pump is built by using SIMULINK in MATLAB software, and the simulation analysis is carried out. The influence of the main parameters of negative flow control mechanism on the dynamic characteristics of negative flow control variable axial piston pump is obtained, which provides a reference for the parameter design of negative flow control mechanism.

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