RU63458U1 - AIR-COOLED VIBRATION-FREE BLOCK OF CYLINDERS OF THE INTERNAL COMBUSTION ENGINE - Google Patents

Abstract

Usage: multi-cylinder piston ICE and air-cooled compressors. The essence of the invention: the periodic appearance of a disturbing force at the moment of shifting the piston near the top dead center causes vibration of the cylinders. The high-tensile wire connection of adjacent cylinders with an interference fit limits their displacement from the vertical axis and relative to each other, which leads to increased vibration resistance of both individual cylinders and the block as a whole. The device comprises: A vibration-proof block of cylinders of an internal combustion engine with air cooling contains separately located finned cylinders 1, 2 and 3 having ends 4, while adjacent cylinders 2 and 1, 2 and 3 are tightened by a high-strength wire 5 with a diameter not exceeding the size in height between adjacent edges of the cylinder, in a certain sequence. The plane of the wire 5 is parallel to the longitudinal axis 6 of the block. After tightening the wire, it is soldered, welded or glued in places of contact with the fin surface of the cylinders. The geometric dimensions and material of the wire are chosen in such a way as to ensure maximum structural rigidity in the plane of the piston. EFFECT: increased vibration resistance of ICE cylinders and reduced wear of the piston-cylinder group. 1 n.p. f-ly, 1 ill.

Description

The invention relates to engine building, in particular to piston air-cooled internal combustion engines, and can be used in various power plants of automobiles, tractors, as well as reciprocating compressors.

Known cylinder block of an internal combustion engine with air cooling, containing separately located ribbed cylinders having ends [1].

The disadvantages of the unit include low vibration resistance, which results in increased wear of the working surfaces of the cylinders in contact with the piston rings.

The closest in technical essence to the claimed invention is a vibration-resistant cylinder block of an internal combustion engine with air cooling [2] with reduced wear due to damping of acoustic vibrations, containing cylinders having ends, and at least one of the ends of the cylinders is made with a slope inclined to the longitudinal cylinder axis.

The disadvantages of the block include the difficulty of making inclined chamfers and grooves on the inner surface of the cylinders, as well as their ends, the cross section of which does not lie in one plane. In addition, the specified technical solution reduces the level of vibrations, but does not completely eliminate them.

The claimed invention is aimed at eliminating the noted drawbacks and from its application the following result was obtained: increasing the vibration resistance of the cylinders and reducing the wear of parts of the piston-cylinder group.

The specified technical result is achieved through the use of a vibration-resistant cylinder block of an internal combustion engine with air cooling, containing separately located ribbed cylinders,

having ends, while adjacent interference cylinders are connected by a high-strength wire with a diameter not exceeding a height dimension between adjacent cylinder ribs, in sequence from middle cylinders to extreme ones or from extreme cylinder to extreme loop-like.

New distinctive features of the vibration-proof cylinder block of an air-cooled internal combustion engine are that the separately located cylinders are interconnected by interference with a wire.

Figure 1 shows the layout of the individual cylinders of a single-row air-cooled internal combustion engine connected by a wire in a sequence from the middle cylinders to the extreme cylinders.

The vibration-resistant cylinder block of an air-cooled internal combustion engine contains separately located finned cylinders 1, 2, 3 (Fig. 1) having ends 4, while adjacent cylinders 2 and 1, 2 and 3 are tightened by a high-strength wire 5 with a diameter not exceeding the size between adjacent edges of the cylinder, in sequence from the middle cylinders to the extreme in pairs, while the plane of the wire 5 is parallel to the longitudinal axis 6 of the block. After tightening the wire, it is soldered, welded or glued in places of contact with the fin surface of the cylinders.

Periodic shifting of the piston at the top or bottom dead center causes vibrations of separately located cylinders 1, 2 and 3. Connection of adjacent cylinders, for example, in a paired sequence of 2 and 1, 2 and 3 (from mid to extreme) limits their displacement from the vertical axis and relative to each other, which leads to increased vibration resistance of both individual cylinders and the unit as a whole.

The geometric dimensions and material of the wire are chosen in such a way as to ensure maximum structural rigidity in the plane of the piston.

INFORMATION SOURCES

1. Arkhangelsk B.E. Tractor T-40 / B.E. Arkhangelsky, A.S. Balaev, K.N. Vinogradov, etc. - M .: Kolos, 1964. - P.11-17.

2. Patent No. 2230920 Russia, IPC F02B 77/13, F02F 1/18. The cylinder block of the internal combustion engine / B.P. Gritsenko, V.V. Bespalov .; Publ. 2002.

Claims (1)

Vibration-resistant cylinder block of an internal combustion engine with air cooling containing separately located finned cylinders having ends, characterized in that the adjacent cylinders are tightened by a high-strength wire with a diameter not exceeding the height dimension between adjacent cylinder ribs, in a sequence from middle cylinders to extreme in pairs or from the extreme cylinder to the extreme loop-shaped, while the geometric dimensions and material of the wire are chosen in such a way as to ensure maximum stkost structure in the plane rudder piston.