HaiZhuo, China

Hydraulic Parts Supplier

The Changsha Construction Machinery Exhibition has come to an end from May 12th to 15th, and in the past few days of display, Chinese manufacturers with full enthusiasm have shown high enthusiasm a...

The 4th Member Representative Conference of the 6th China Construction Machinery Industry Association and the 20th China Construction Machinery Development High Level Forum, with the theme of "New ...

Hydraulic sealing materials require good elasticity, stretchability, high pressure resistance, wear resistance, and low friction coefficient, all of which can be reflected by the mechanical propert...

Hydraulic technology is the use of oil to transmit power through pressurized flow in a closed space consisting of pipelines, pumps, cylinders, motors, control valves, etc. (rather than open channel...

1. Safety design of hydraulic systemThe taboo hydraulic system and components need to limit (set) the maximum pressure, that is, they need to be used at or below the rated pressure or the maximum w...

1.Generally speaking, low pilot pressure ratio valves have better motion control performance and stability, especially for spring like systems with large inertial loads. 2.For hydraulic motors, val...

Selection of reversing coupling: 1. Non differential pressure reducing valve, used for equipment without composite action. Constant pressure difference at the valve port is achieved through the flo...

1. Understand the requirements of equipment for hydraulic systems ① Understand the work tasks of the system; ② Understand the working requirements of the system; ③ Understand the action loop of the...

一、 Hydraulic system installation steps 1. Pre installation (trial assembly): bending pipes, assembling oil pipes and components, spot welding joints, positioning the entire pipeline; 2. First clean...

The development trend of threaded plug-in valves largely represents the development trend of hydraulic valves, but it also has its own characteristics.1. Continuous increase in pressure One of th...

（1） Instructions for use 1. Operating procedures: (1) Before starting, check all accessories and instruments and check if all connections are tight. (2) Unscrew the screw plug (provided by the user...

After the working medium is selected, if it is used improperly, it will cause the hydraulic system to work improperly due to the change in the nature of the liquid.① It is necessary to verify the v...

Hydraulic pump products and a wide variety, according to the current technical level and statistical data, the main performance comparison of commonly used hydraulic pumps, application scope and ma...

In some specific ultra-high pressure occasions, such as hydraulic support, hydraulic tools, powder metallurgy, ultra-high pressure jet, metal extrusion and ultra-high pressure pressure, blasting t...

1.What should be paid attention to when installing pipelines?① The maximum distance between the suction pipe and the return pipe should be selected, and the return liquid should not be directly suc...

1. The power to weight ratio is required to use hydraulic transmissionSince the working pressure of the hydraulic system can be higher (such as 32MPa or higher), the ratio of the corresponding tran...

Hydraulic transmission has been competing with electric transmission. There are several reasons for this.1) For fixed equipment, electrical energy can generally be directly obtained, and the use of...

There are two main ways for enterprises to eliminate waste:The first way is to promote a culture of thrift and eliminate wasteFirst of all, we should advocate the culture of saving within the enter...

(1) As a safety valve, the overflow valve used to prevent hydraulic system overload is normally closed, as shown in Figure a. When the pressure in front of the valve does not exceed a preset limit,...

1. Selection of hydraulic pumpThe specifications and models of hydraulic pump are selected according to the calculated value in the product sample, in order to make the hydraulic pump work safely a...

**** | Enterprise InternationalizationFrom the perspective of construction machinery exports in recent years: in 2020, China's construction machinery exports $20.969 billion; In 2021, China's const...

According to the statistics of the network data, the sales volume of the construction machinery industry in 2022 has declined significantly, mainly due to three major reasons: the Federal Reserve b...

1. Sales volume of construction machinery products: nearly 1.71 million units in 2022According to the statistics of China Construction Machinery Industry Association, the overall sales volume of Ch...

1. Accelerate the electric transformation and comprehensively promote the green development of the industryAs one of the major emission sources in the field of pollutant emission, construction mach...

1. Since June 2022, the decline has narrowed month by month, and some products have turned from negative to positive, showing a steady operation trend on the wholeFrom January to December, the sale...

一、Current situation of construction machinery industry1.Operating incomeConstruction machinery is an important part of equipment industry. Generally speaking, all the earth and rock construction pr...

Hydraulic and pneumatic technologies are two important energy conversion technologies widely used in modern industrial production. With the continuous progress of science and technology and the con...

Hydraulic system is according to the PASCAL principle of fluid mechanics, to the liquid as the working medium, to the liquid internal pressure can carry out power (or energy) transfer, conversion a...

Hydraulic plunger pump is by plunger in the cylinder for reciprocating motion caused by the change of sealing volume to achieve oil suction and pressure hydraulic pump, compared with gear pump and ...

Plunger PumpThe piston pump is divided into axial piston pump and radial piston pump two representative structural forms; Because the radial plunger pump belongs to a new type of high efficiency pu...

Hydraulic technology is one of the key technologies to realize modern transmission and control. All countries in the world attach great importance to the development of hydraulic industry. Worldwid...

1、Basic concept of hydraulic systemHydraulic system is according to the PASCAL principle of fluid mechanics, to the liquid as the working medium, to the liquid internal pressure can carry out pow...

The development of Chinese hydraulic technologyThe hydraulic technology of our country is developed with the establishment and development of new China. From 1952, Shanghai Machine Tool Factory tri...

The most important hydraulic components manufacturers in the world are Germany's Bosch Rexroth, the United States' Parker Hannifin, Eaton, Japan's Kawasaki Heavy Industries, KYB and so on. The abov...

With the continuous progress of technology, gear pump products will progress to the direction of intelligence, to monitor the pressure, flow, temperature and vibration parameters: to evaluate the p...

0 IntroductionDurability test, also known as durability test, fatigue test and life test, is the test to determine the durability of products.At present, the main gap between many domestic hydrauli...

In foreign countries, the hydraulic industry is developing faster than the mechanical industry. The value of hydraulic products in the world is about 20 billion dollars. In the comparison of the Un...

The hydraulic industry of our country began in the 1950s. At present, it is in the stage of rapid development and improvement.Its products were initially used only in machine tools and forging equi...

Hydraulic system is based on liquid as the working medium, the internal pressure of liquid can be used for power transmission, conversion and control of the transmission system. Hydraulic system is...

How is the hydraulic market developing? Since the 20th century, the equipment manufacturing industry which represents engineering machinery, metallurgical machinery, mining machinery, agricultural ...

Global hydraulic market demand shows a spiral increasing trend, our country hydraulic industry develops quickly: Developed countries 95% of engineering machinery, 90% of CNC machining center and mo...

Development history of global hydraulic industryThe earliest development of the global hydraulic industry can be traced back to 1795. Joseph Braman of Britain used water as the working medium in Lo...

There is still a big gap between Chinese local hydraulic enterprises and foreign advanced enterprises in terms of production technology. Most of the hydraulic products produced by local hydraulic e...

China's urbanization rate has been rising in recent years. According to the results of the seventh national population census in 2020, China's urbanization rate has reached 63.89%. More data points...

The "High tech technical report Conference" carefully prepared by China Hydraulic and Pneumatic Seal Industry Association for the exhibition was held online in a new form. It was carefully planned ...

The "High tech technical report Conference" carefully prepared by China Hydraulic and Pneumatic Seal Industry Association for the exhibition was held online in a new form. It was carefully planned ...

The conceptual scope of hydraulic technology is shown in Figure 1. It consists of four major application fields: energy, automation, transmission, and microfluidics. The automation field is current...

Hydraulic valve is an automated component operated by pressure oil, which is controlled by the pressure oil of the pressure distribution valve. It is usually used in combination with electromagneti...

Downstream dataAccording to the statistics of China Construction Machinery Industry Association, in December 2022, 26 excavator manufacturers sold 16869 excavators of all kinds, down 29.8% year on ...

1、Hydraulic OverviewHydraulic pressure is a term used in the mechanical and electromechanical industries. Hydraulic pressure can be transmitted through power transmission, becoming hydraulic transm...