Hydraulic executive device

Hydraulic executive device- This is a mechanism that transforms the energy of hydraulic fluid into mechanical work. They are widely used in various industries, including construction, mechanical engineering and agriculture, due to its high power, accuracy and reliability. In this article, we will consider in detail the principle of work, types, application and maintenancehydraulic executive devices.

The principle of workhydraulic executive device

The basic principle of workhydraulic executive deviceIt consists in the use of fluid under pressure to create movement. Hydraulic fluid, usually oil, is supplied with a pump into a cylinder. The pressure of the fluid affects the piston, which moves inside the cylinder, creating mechanical power. This force can be used to perform various tasks, such as lifting cargo, moving objects or performing other mechanical operations.

The main componentshydraulic executive device:

  • Cylinder:A sealed container in which the piston moves.
  • Piston:A part that transforms the pressure of the fluid into mechanical movement.
  • Stock:Connects the piston with the external mechanism, transmitting the force.
  • Pump:Creates fluid pressure and supplies it into the cylinder.
  • Hydraulic fluid:The working environment transmitting energy.
  • Valves:The fluid flow and pressure in the system are regulated.

Typeshydraulic executive devices

There are several typeshydraulic executive devices, each of which is designed to perform certain tasks. The most common types include hydraulic cylinders and hydraulic motors.

Hydraulic cylinders

Hydraulic cylinders convert hydraulic energy into linear motion. They are unilateral and double -sided.

Unilateral hydraulic cylinders

In unilateral cylinders, the movement of the piston in one direction is carried out under the action of fluid pressure, and in the other direction - under the influence of a spring or gravity.

Bilateral hydraulic cylinders

In double -sided cylinders, the piston movement in both directions is carried out under the action of fluid pressure. LLC Internal Mongolia Zhitsyan Construction equipment offers a wide range of bilateral hydraulic cylinders for various fields of application. The company’s specialists will help to choose the optimal solution by phone or on the sitehttps://www.nmgrq.ru/.

Hydraulic motors

Hydraulic motors convert hydraulic energy into rotational movement. They are used in various mechanisms where rotational effort is required.

Types of hydraulic motors:

  • Gear engines:Simple and reliable, used in moderate pressure applications.
  • Plastic engines:Provide higher speed and accuracy than gear.
  • Piston engines:The most effective and powerful are used in high -pressure applications.

Applicationhydraulic executive devices

Hydraulic executive deviceswidely used in various industries, including:

  • Construction:Excavators, bulldozers, taps and other construction equipment use hydraulic cylinders and motors to perform various operations.
  • Mechanical engineering:Machines, presses and other equipment use hydraulic systems to provide high accuracy and power.
  • Agriculture:Tractors, combines and other agricultural equipment use hydraulic systems to manage various mechanisms.
  • Aviation:Hydraulic systems are used to manage the flight of aircraft and helicopters.
  • Marine industry:Hydraulic systems are used in the management of steering mechanisms and other vehicles.

Servicehydraulic executive devices

Regular servicehydraulic executive devicesIt is necessary to ensure their reliable and durable work. The main aspects of the service include:

  • Checking the fluid level:Regularly check the level of hydraulic fluid and add it if necessary.
  • Liquid replacement:Replace hydraulic fluid in accordance with the recommendations of the manufacturer.
  • Filters check:Check and replace the filters of the hydraulic system regularly.
  • Seal verification:Regularly check the seals for leaks and replace them if necessary.
  • Checking hoses and connections:Regularly check the hoses and connections for damage and leaks.

Examples of application with technical characteristics

Hydraulic cylinder for an excavator

For example, consider the hydraulic cylinder used in the excavator. This cylinder is used to raise and lower the arrow of the excavator.

Parameter Meaning
The diameter of the piston 160 mm
The diameter of the rod 90 mm
The piston stroke 1200 mm
Maximum pressure 350 bar
The increase in the rise 70 tons

Table 1: Technical characteristics of the hydraulic cylinder for the excavator

This cylinder provides high carrying capacity and reliability necessary to carry out heavy work on the construction site.

Hydraulic motor for drilling installation

As an example of a hydraulic motor, we consider the model used in the drilling rig to rotate the drilling tool.

Parameter Meaning
Motor type Piston
Working volume 200 cm3
Maximum pressure 400 bar
Maximum torque 800 Nm
The maximum speed of rotation 500 rpm

Table 2: Technical characteristics of the hydraulic motor for the drilling rig

This motor provides the necessary power and torque for the effective drilling of various types of soils.

Conclusion

Hydraulic executive devicesare an important component of many industrial and mobile systems. Understanding their principle of work, types and methods of service allows us to ensure their reliable and effective work. Correct choice and timely maintenancehydraulic executive devicesThey allow you to increase productivity and reduce the costs of repair and replacement of equipment.

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