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Braking system based on the new modular hydraulic power unit
Global container terminals are entering a new era, and a new round of comprehensive upgrading of automated and intelligent port machinery and equipment is gradually unfolding. The working mode of the automated terminal gradually develops to the industrial automation line, and the equipment is in the state of automatic perception and running, and the rhythm change of each link will have an impact on the overall productivity. Therefore, the intelligent perception of the equipment state and the modular exchange of components are of great significance.
Distributed compact hydraulic power unit with high-speed components
One obstacle to the use of electro-hydraulic actuators (EHA) on mobile machinery is the power density that can be achieved with the most advanced technology to date. Distributed hydraulic fuel supply combines the benefits of a user demand-oriented hydraulic power unit with less line pressure loss. To increase power density, ifas has developed a high speed internal gear pump for electro-hydraulic high speed drives. Fig.1 High Speed Drive Electro-hydraulic Actuator (EHA)
How to choose the right hydraulic valve?
As the control element of the hydraulic system, the hydraulic valve can control and adjust the start, stop, movement direction and movement speed of the hydraulic actuator. It is the most used component in the hydraulic system. Good quality hydraulic valve can make the design of the hydraulic system more reasonable, in the face of a wide variety of different specifications of the hydraulic valve, how to choose. General principles
Hydraulic system failure and elimination
With the development of science and technology, hydraulic technology is widely used in construction machinery, metallurgical machinery, transportation machinery and other fields, and has become an essential and important part. Therefore, it is very important to ensure the normal operation of the hydraulic system and increase the reliability of the work. In order to ensure the normal operation of the system, it is necessary to implement fault diagnosis and timely elimination of the equipment. 1 Hydraulic faul
hydraulic power station A, what is a hydraulic system from an application perspective: The hydraulic system is generally composed of this: -The power source is electric motors (including once luxurious permanent magnet motors), internal combustion engines (usually construction machinery or diesel engines on ships through PTO), manual, etc. -The power source drives the hydraulic pump, and the
Basic knowledge of hydraulic cylinder test bench
01 Classification of hydraulic cylinder test bench According to the breadth of use, the test bench is customarily divided into special test bench and general test bench. Most of the type test bench can only carry out one or several tests on the test object. Universal test bench, in fact, its versatility is relative, but the use of a wider range, can carry out more test items.
Why does the hydraulic system need pressure test? How to test the pressure?
There are many types of hydraulic testing, and the testing of hydraulic systems is roughly the following: Test during commissioning adjustment after assembly; Monitoring test during normal operation; Tests when diagnosing faults; Closed-loop system for the test of the controlled quantity. These tests are clos
The role of hydraulic is irreplaceable
The working principle of hydraulic jack 1 1 lever handle 2 a pump body (oil chamber) 3-oil discharge check valve 4 1 suction check valve 5 1 tank 6, 7, 9, 10 1 tubing 8-Drain valve 11 1 hydraulic c
Introduction to hydraulic technology In the manufacturing of various parts, there are high technical requirements for sealing and durability, and the rolling process has been widely used in the manufacturing of hydraulic parts, which solves the problems of roundness and roughness. Especially widely used in hydraulic cylinder manufacturing. Hydraulic tools can solve various problems in hydraulic manufacturing. What is hydraulic pressure
25, the unloading valve is a relief valve with a two-pass solenoid valve, usually the two-pass solenoid valve is closed, then it can be used as an relief valve; When unloading is required, the two-energy solenoid valve is opened, and the oil in the pipeline directly flows back into the tank, and the pressure in the pipeline is zero. Check valve is also called check valve or check valve. Used in hydraulic systems to prevent the reverse flow of oil. There are two kinds of one-way valves: straight through and right Angle. The straight-through check valve is installed
1, a complete hydraulic system is generally composed of power components, executive components, control components, auxiliary components and working media. The power component is hydraulic pump; The actuator is an oil cylinder or motor; The control elements are various valves; Auxiliary components are various pipelines, fuel tanks, etc. The working medium is hydraulic oil. At present, the power component is integrated with the control component and a part of the auxiliary component, which is the hydraulic pump station.
1. What are the main properties of hydraulic oil? Hydraulic oil is a working medium that transmits energy or power by means of liquid pressure energy in a closed volume. On the one hand, it is the working medium to achieve energy transfer, conversion and control, and on the other hand, it also plays the role of lubrication, rust prevention, cooling, shock absorption and so on. Suitable viscosity and good viscosity temperature excellent lubrication performance (w
Things you have to know about hydraulics
All along, our customers have encountered a series of problems in the process of using oil pump valves, most of which are internal wear caused by hydraulic oil pollution during use. Today, we take you to understand the characteristics of hydraulic transmission and how to choose and reduce the inconvenience caused by hydraulic oil pollution.
Hydraulic system installation guide
Installation preparation Industrial equipment with high technical requirements need to be adequately prepared before installation, and the installation of hydraulic systems is the same. First of all, we should review whether the current system design can achieve the expected purpose, and guess whether various performance indicators can be achieved through the information conveyed on the design drawing, which can be divided into five steps: First, review the overall desi
Common failure and treatment of hydraulic system sequence valve
As a pressure control valve in the hydraulic system has a wide range of applications, in the hydraulic transmission control system, the most common circuit is the sequence control circuit. In actual work, the system will fail due to various factors, and the system cannot work normally because of valve failure. Under normal circumstances, the parts of the sequence valve prone to failure are: spool, seat, pressure regulator ZE and valve spool and seat contact parts.
What are the characteristics of the hydraulic system of precision injection molding machine?
① The oil system needs to use proportional pressure valves, proportional flow valves or closed-loop variable pump systems. The hydraulic system of injection molding machine needs to adopt proportional pressure valve and proportional flow valve to achieve different working pressure and flow of the system. Whether it is a quantitative pump hydraulic system or a variable pump hydraulic system, there are proportional valves to control the working pressure and working flow output of the oil pump, and achieve lin
Installation of hydraulic system
Before installation, it is necessary to review whether the hydraulic system design can achieve the expected design objectives, whether the machine can achieve the action and achieve the performance indicators, whether the installation process is feasible, and at the same time, it is necessary to fully understand the composition of the overall parts of the design and deeply understand the role played by each part. The design quality of hydraulic system is the primary link directly related to the normal operation of hydraulic system.
Composition of hydraulic system of wind turbine
A fan has many rotating parts. The cabin rotates on a horizontal plane, always following the wind. The wind wheel rotates along a horizontal axis in order to generate power. In a variable torque fan, the blades that make up the wind wheel rotate around the central axis of the root in order to adapt to different wind conditions. During shutdown, the tip of the blade should be thrown out to form damping. The hydraulic system is used to adjust the blade blade torque, damping, stopping, braking and other states. 1. Drive sys
Daily maintenance of hydraulic system
Maintenance usually refers to the regular and irregular inspection and maintenance of equipment when it is not faulty. At present, the maintenance of hydraulic equipment is mostly the responsibility of the equipment user (operator). The goal of the maintenance work, the measure of the quality of the maintenance work, is the equipment availability (usable time). If well maintained, the equipment can be used (without failure) for a long time. Hydraulic equipment s
Discuss how to reduce the noise of hydraulic system
Quieter systems not only provide a higher sense of quality, but also improve the health, safety and productivity of machine operators. Original article: Michel Beyer, Chief Engineer, Danfoss Power Solutions The National Institutes of Health estimates that 15% of Americans between the ages of 20 and 69 suffer hearing loss (mostly permanent) as a result of exposure to noise at work or during leisure activities. In the workplace, the combination of quiet pumps, wel
Introduction to the use of 6 common hydraulic tools
Hydraulic wrench The conventional hydraulic torque wrench kit is generally composed of hydraulic torque wrench body, hydraulic torque wrench special pump station, double high-pressure hose and high-strength heavy-duty sleeve. Use: hydraulic wrench is widely used; In Marine engineering, petrochemical, wind power, hydropower, thermal power, mining, machinery, steel, rubber, pipeline and other industries in the construction, maintenance
Principles and skills of hydraulic system design for construction machinery
One: product design principles Reasonable design should ensure the necessary functions of the product under the premise of the lowest manufacturing costs. (l) Must meet customer requirements for product features and services. Construction machinery provides customers with not only the functions of the product, but also the after-sales service that supports these functions. Therefore, the design process should be based on the different functional characteristics
What are the power components of the hydraulic system
The power component of the hydraulic system is a part of the hydraulic system, the role of the power component is to convert the mechanical energy of the prime mover into the pressure energy of the liquid, which refers to the oil pump in the hydraulic system, which provides power to the entire hydraulic system. The structure of hydraulic pump generally has gear pump, vane pump and plunger pump. picture What is a hydraulic system?
Hydraulic power station maintenance should pay attention to
As an important part of hydraulic mechanical equipment, hydraulic power station needs regular maintenance or maintenance. If you do not pay attention to the daily maintenance operation during use, it will greatly reduce its service life and efficiency, affecting the stability of the overall equipment, if the hydraulic station is unstable, it will cause the overall equipment to increase the cost and loss during cutting processing, resulting in reduced operating efficiency, or reduce the service life of the equipment!
Huaian Yansheng Hydraulic Machinery Co., Ltd.
EMAIL : haysyy2023@163.com
ADD. : Huaian, Jiangsu China
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Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.