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Selection and installation of hydraulic tank for power unit of lifting platform

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Selection and installation of hydraulic tank for power unit of lifting platform

Date of release:2019-06-09 Author: Click:

Selection and installation of hydraulic oil tank

The main function of the hydraulic tank in the hydraulic system is to store oil, dissipate heat, separate air from the oil and eliminate foam.The capacity of the fuel tank should be considered first.Typically, mobile devices require two to three times the extreme flow of the pump, while stationary devices require three to four times.Secondly, considering the oil level of the tank, when all the hydraulic cylinders of the system out, the oil level of the tank should not be low.At ultra-low oil level, the oil level should not be higher than ultra-high oil level when the cylinder is retracted.After considering the structure of the oil tank, the baffle in the traditional oil tank should be installed vertically along the longitudinal axis of the oil tank.A gap is left between one end of the baffle and the end plate of the oil tank, so that the space between the two sides of the baffle is interconnected. The inlet and outlet of the hydraulic pump are arranged on the baffle.The two sides of the separator are not connected, so that the distance between the oil inlet and the oil regenerator is very far, and the hydraulic tank has more heat dissipation.

Hydraulic tank installation

According to the different installation position, can be divided into upper type, side type and bottom type.

The fuel tank mounted on the upper power unit of the lifting platform is equipped with hydraulic pumps, etc., on the upper cover plate, which has better rigidity, compact structure and super wide application.In addition, the heat sink can be cast on the fuel tank shell to enhance the heat dissipation effect and improve the service life of the hydraulic pump.

The side fuel tank is equipped with a hydraulic pump and other devices mounted next to the fuel tank.Large floor area, easy installation and maintenance.It is usually used when the system flow and tank capacity are large, especially when one tank is used for more than one hydraulic pump.Used for oil supply.Because the oil level of the side fuel tank is higher than the oil suction port of the hydraulic pump, it has better oil absorption effect.

Because the power unit hydraulic drive has the advantages of small size, light weight, smooth transmission, reliable operation, convenient operation, and easy realization of infinitely variable speed, drive system is adopted in many industrial fields.Due to the difference of application requirements, operating conditions and application environment, hydraulic transmission systems used in different industrial fields vary greatly.The correct choice of hydraulic oil type, to ensure the long-term stable and safe operation of the hydraulic system is an effective measure to ensure continuous production, save material consumption and improve economic benefits.Selection and installation of hydraulic oil tank

There are many sources of vibration and noise in hydraulic systems, including mechanical systems, hydraulic pumps, hydraulic valves and pipelines.Vibration and noise of mechanical system vibration and noise of mechanical system is mainly caused by the mechanical transmission system driving hydraulic pump, mainly manifested in the following aspects.

1.In practical applications, most motors work with hydraulic pumps through couplings.It is very difficult to achieve complete dynamic equilibrium of the body of rotation.If the unbalanced force is too great, it will rotate.Noise is produced when a large bending vibration of the rotating axis is generated.

2.Improper installation of hydraulic systems usually causes vibration and noise due to installation problems.If the system piping is not well supported and the foundation is defective or the hydraulic pump is different from the motor shaft and the coupling is loose, large vibration and noise will be generated.

3.When the hydraulic pump is working, if the resistance of the hydraulic oil suction pipe is too large, at this time, the hydraulic oil is too late to fill the pump suction chamber, resulting in a partial vacuum inside the suction chamber forming negative pressure.If the pressure has just reached the air of the oil, when the pressure separates, the air previously dissolved in the oil will precipitate in large quantities, forming free bubbles.As the pump moves, the bubbled oil is transferred to a high pressure zone, where the bubble is subjected to high pressure.The specific methods are as follows:

1.Pump suction pipe joint should be sealed to prevent air inhalation;

2.Reasonable design of fuel tank.The cavitation of hydraulic valve is mainly caused by minimizing the oil suction resistance of the pump.Common measures include the use of larger diameter suction pipes, large capacity suction filters, and the avoidance of clogged oil filters;Pump suction height should be as small as possible.

3.Prevent turbulence and swirls in the pipe.In the design of hydraulic system pipe, pipe section should avoid sudden expansion or contraction;If using elbows, the radius of curvature should be more than five times the diameter of the pipe.It can effectively prevent turbulence and vortex in the pipeline.

Power unit components are mainly used to supply energy to actuators (mainly hydraulic pumps), and liquid output through a control and regulating device (various hydraulic valves) can be used to perform certain actions on the actuators, such as hydraulic cylinders.Expansion or rotation of hydraulic motor!

液压油箱的选用及安装

  

  

  

  

  

液压油箱的选用及安装

  

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Contact information:

Contact:Cao jingshan

Phone:13586888865

Tel:0574-86301550

E-mail:cjs@nb-entiandi.com

Address:No. 6007, zhenpu road, xiepu town, zhenhai district, Ningbo


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