Cylinder principle and structure diagram

Cylinder working principle is as follows:

1, single-acting cylinder:

Single-acting cylinder has only one chamber, can be imported into the compressed air body, and its piston rod can only be pushed back by external force.

2, double-acting cylinder:

Double-acting cylinder refers to the two chambers can be input compressed air body to realize the two-way movement of the cylinder.

Cylinder to have the performance

The working conditions of the cylinder body is very harsh. It must withstand sharp changes in pressure and temperature during combustion as well as strong friction from piston movement. Therefore, it should have the following properties:

1, sufficient strength and stiffness, small deformation, to ensure that the moving parts are well-positioned, normal rotation, low vibration noise.

2, good cooling performance. Cylinder barrel around the cooling water jacket, so that the cooling water to take away the heat.

3, abrasion resistance, to ensure that the cylinder block has sufficient service life.

4, most of the cylinder block by cast iron or aluminum alloy casting. Aluminum alloy cylinder block is more and more widely used because of its high cost, light weight and good cooling performance.

Basic structure and role of the cylinder block

Cylinder block has one or more for the piston in which the movement of the cylindrical cavity for the guide, known as the cylinder, the lower part is to support the crankshaft crankcase. Cylinder block materials are usually high-quality gray cast iron, ductile cast iron, alloy cast iron and aluminum alloy.

The cylinder block is the basic assembly of each engine mechanism or system, and it is to maintain the accurate positional relationship between the various moving parts of the engine, the cylinder block has water-cooled and air-cooled two kinds.