11 junio, 2024

Hydraulic plan: what it is, types, symbols, elements, examples

What is a hydraulic plan?

A hydraulic plane It is a map of the circuit of pipes, valves, keys, pumps, hoses, hydraulic cylinders, tanks, power sources of a system that works with a fluid.

For example, in a house there are several hydraulic circuits: the cold water circuit, the hot water circuit, the gas circuit and the sewage circuit.

In hydraulic machinery, such as backhoe loaders and tractors, there is one or more hydraulic circuits, whose operating fluid is usually oil. By means of this system, movement and force are provided to the arm and blade of the tractor.

In the pneumatic systems that operate all kinds of tools, such as concrete breaking hammers, nut wrenches, presses, tire mounting and demounting systems, there is a hydraulic circuit. In this case the operating fluid is compressed air.

The hydraulic plan is an extraordinary tool in the design, maintenance and repair of any hydraulic circuit.

Types of hydraulic plane

There are four types of hydraulic drawing: block diagram, sectional diagram, diagrams with figures, and graphical diagram.

block diagram

The block diagram shows the hydraulic circuit components as boxes connected with lines. It is useful to have a global view of the system and to know how its parts are connected and related.

cutting diagram

The usefulness of this diagram is that it shows the internal construction of some of the components of the circuit, as well as their connections. This results in a greater understanding of the operation and usefulness of each of the parts.

This diagram is generally colored, or with a pattern that allows you to quickly identify the flow direction and the pressure difference.

pictorial diagram

This diagram uses realistic illustrations, drawings or photographs of the external or visible parts of the piping and fittings in the circuit, which allows for quick recognition of the parts when the actual circuit is being inspected.

graphic diagram

It is a standardized system where symbols, with simple geometric shapes, are used to represent the different components of a hydraulic circuit.

It is the most widely used and preferred diagram both for design and for repair and maintenance of a hydraulic system.

The two rules that are usually used in this type of diagrams are:

The ANSI standard of “American National Standardization Institute”.
The ISO standard of the «International Organization for Standardization».

This type of diagram shows the path and route that the fluid follows in the hydraulic system and shows its parts with symbolic shapes; For this reason, it is the most indicated to identify failures and their solutions in hydraulic systems.

Most used symbols in a hydraulic plan

Pipe: _____________

Pilot line: – – – – – – – –

Connected lines: 丄

Tank or reservoir: ப

Examples of hydraulic plan

Hydraulic plan of a house

In a house there is generally a drinking water circuit and a sewage circuit.

To represent these circuits in plans, the following views are used:

plant
Isometric, when the house has several levels.
Lifting of toilets, sinks and sinks.

References

cadbull. Hydraulic installation view of house. Retrieved from: cadbull.com
Machinery lubrication. The true value of hydraulic circuit diagrams. Retrieved from: machinaylubrication.com
Valmet. Reading fluid circuits. Recovered from: valmet.com
Wikiwand. Hydraulic machinery. Retrieved from: wikiwand.com
Wikipedia. Hydraulic circuit. Recovered from: wikipedia.es.

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