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Parallel six-star piston type compressor

A compressor and piston type technology, which is applied in the field of six-cylinder oil-free piston compressors, can solve problems such as poor inertia force, increased diameter of connecting rod disk, and large unbalanced moment, and achieve excellent balance performance, Effect of Structural Balance Performance Enhancement

Pending Publication Date: 2022-04-05
王汝君
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In the patent CN 104895757 A, a six-cylinder oil-free piston air compressor is disclosed, which adopts a double W structure to achieve high pressure and oil-free. Although the first-order inertial force is balanced, the second-order and above inertial forces and moments are unbalanced, and at the same time The crankshaft is divided into three parts with a complex structure. In order to ensure the installation of the bearings, the eccentricity of the crankshaft is small
[0006] In the patent CN 209414067 U, a six-cylinder oil-free piston air compressor is disclosed. The structure of three cylinders at both ends of the motor adopts the eccentric wheel sleeve shaft, and the single-end crankshaft is divided into at least 4 parts, and the structure is complicated.
Although the first-order inertia force can be balanced, the vibration is reduced to a certain extent, but the unbalanced moment is relatively large
[0007] A six-star high-pressure compressor is disclosed in the patent CN 210738753 U, which adopts a conventional main and auxiliary connecting structure, but there are inconsistencies in the movement rules of the main connecting rod piston and the auxiliary connecting rod piston, inconsistent strokes and poor balance of inertial forces At the same time, in the application of oil-free machines, bearings with sealed oil and grease will be used, which will lead to a sharp increase in the diameter of the connecting rod disc, and the imbalance problem will become more prominent

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  • Parallel six-star piston type compressor
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  • Parallel six-star piston type compressor

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Embodiment 1

[0032] This embodiment is a parallel six-star structure (or similar six-star structure) piston compressor. Different from the main and auxiliary connecting rod structure of the conventional radial engine, the present invention adopts a parallel connecting rod structure. The rotary reciprocating motion conversion device of the parallel six-star piston compressor in this embodiment is as follows: figure 1 As shown, the rotation-to-reciprocation conversion device in this embodiment will be described below.

[0033] The rotary reciprocating motion conversion device of parallel six-star piston compressors includes a single crankshaft 3, six pistons 1-1~1-6, and six connecting rods 2 connecting the single crankshaft 3 and the six pistons -1~2-6, wherein the connecting rods corresponding to the six pistons 1-1, 1-2, 1-3, 1-4, 1-5 and 1-6 are 2-1, 2-2, 2 -3, 2-4, 2-5 and 2-6. The arrangement of the piston and the connecting rod on the crank pin of the single crankshaft is as follo...

Embodiment 2

[0043] according to Figure 5 As shown, this embodiment provides a high-pressure compressor with a parallel hexagonal star structure, including an organic body 01, a cylinder 02, and a rotary reciprocating conversion device 03. The compressor uses a parallel hexagonal star structure to perform five-stage compression. The rotary reciprocating motion conversion device includes a piston 03-1, a connecting rod 03-2, and a single crank crankshaft 03-3, and the crankshaft 03-3 rotates through the connecting rod 03-2 to drive the piston 03-4 to perform in the cylinder 02. Reciprocating linear motion, the six rows of cylinders 02 are evenly arranged side by side around the rotation center of the crankshaft 03-3, and the angle between two adjacent rows of cylinders 5 is 60°; the centerlines of the six rows of cylinders 02 are located on different planes and perpendicular to the crankshaft 03 The center of -3 intersects the rotation axis of the crankshaft 03-3 at the same time. Cylinde...

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Abstract

A parallel six-star piston type compressor comprises a compressor body, an air cylinder, a rotary reciprocating motion conversion device and a driving device. The six columns of air cylinders are uniformly arranged around the rotation center of the rotary reciprocating motion conversion device at intervals of 60 degrees, and the center lines of the six columns of air cylinders are located on different planes and are perpendicular to and intersect with the axis of the rotation center; wherein the rotary reciprocating motion conversion device comprises a single-throw crankshaft, six connecting rods connected with a crank pin of the single-throw crankshaft and six pistons connected with the six connecting rods, the six connecting rods are arranged on the crank pin side by side, and the six pistons reciprocate in the six air cylinders; the air cylinder and a crankshaft of the rotary reciprocating motion conversion device are arranged on the machine body, and the crankshaft of the rotary reciprocating motion conversion device is connected with a driving shaft of the driving device. The engine is compact in structural layout, capable of saving energy and reducing weight, stable in stress, small in torque fluctuation, small in airflow pulsation, small in working vibration, low in noise and good in whole machine cooling effect.

Description

technical field [0001] The present invention relates to a parallel star arrangement of piston compressors, more specifically, the invention relates to a parallel star arrangement of six-cylinder oil-free piston compressors. Background technique [0002] Since there is no lubricating oil in the oil-free piston compressor, the lubricating and cooling effect of the lubricating oil is lost, and the thermal load problem of the compressor is particularly prominent. In practical applications, the wear-resistant material of the oil-free piston is limited by the pv value, p is the withstand specific pressure of the material, v is the linear velocity achieved by the material, and the material will soften at a certain temperature. Therefore, if the oil-free piston compressor meets the gas output requirements of the same displacement and pressure, if a large bore diameter is used, the speed of the machine must be reduced, and the increase of the bore diameter is also limited by the heat...

Claims

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Application Information

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IPC IPC(8): F04B27/053F04B35/04F04B39/00F04B39/06
Inventor 李宪彬
Owner 王汝君