Jing Baode

Design of Non-impact and Independent Exciting Chamber of Vibratory Roller

Vibrating wheel is an important part of vibratory roller. Basing on the analysis of butterfly plate and welding cylindrical vibrating wheels, improvement design of a new type of non-impact and independent exciting chamber is performed on vibratory roller. In this paper, mechanism of damping combined eccentric block is proposed to realize the conversion between high amplitude and low amplitude conveniently without shock. Lubrication system contamination of vibrating bearing is avoided which improves the element of hydraulic system and vibrating bearing service life of rollers.

Research of Internal Leakage Theory Model in the Exterior Meshing Gear Pump

The popularization and promotion of In high pressure and high gear pump is slowing, the reason is not eradicate pressure leakage problems. Based on the gear pump CBZB2 series for research object, through theoretical analysis of internal leakage mechanism, influencing factors and leak leakage ways Summarizes the theoretical model of internal leakage have a great significance In the design of In high pressure and high gear pump.

Basing on the Gear Pump's Radial Deformation to the Leakage Effects of Finite Element Analysis

To analyze the radial leakage effects of the gear pump radial deformation, this paper adopts Finite Element Method (FEM) to do static analysis between pump body and gear shaft, and then gets three deformation cases on typical temperature between them. According to the result of finite element static analysis, it discusses the effect of the pump body radial irrational deformation to the gear shaft working hours and offers references to the future structure design of gear pump.

Testing and debugging for main control valve applied in the hydraulic excavator

The company of excavator hydraulic components will provide universal components, valves for example. But the opening throttle area cannot suitable completely for all design requirements of the excavator. To the whole machine manufacturer, even if the excavator in the same weight may require individual parameters because of the different factors, such as the working device, pump, or engine. As a result, it is necessary to have test and debug some parameters to adept the target machine. To the hydraulic components, it may have a better cooperation with the whole machine after a little change of tiny parameters. A good energy saving effect and high manipulative performance may get.