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Double-screw four-star-wheel compressor

A four-star wheel and compressor technology, which is applied to mechanical equipment, machines/engines, liquid fuel engines, etc., can solve the problems of reduced working efficiency, leakage, and increased gap between screw grooves and star gear teeth of compressors, etc., and achieves improvement Efficiency reduction, compression effect improvement, gap avoidance effect

Active Publication Date: 2022-08-09
HAOMI POWER EQUIP CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In view of the related art mentioned above, the inventor found that after the compressor in the related art has been used for a period of time, there will be friction between the screw groove and the star gear teeth, resulting in an increase in the gap between the screw groove and the star gear teeth, so that When the screw and the star wheel cooperate to compress the gas, the gas will leak from the gap between the screw groove and the star wheel teeth, resulting in a decrease in the working efficiency of the compressor

Method used

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Embodiment Construction

[0035] Attached to the following Figure 1-5 This application will be described in further detail.

[0036] The embodiment of the present application discloses a twin-screw four-star-wheel compressor.

[0037] refer to figure 1 and figure 2 , a twin-screw four-star-wheel compressor comprises a casing 1, the casing 1 is made of metal material, two screws 2 are rotatably installed in the casing 1, the two screws 2 are coaxially arranged, and the junction of the two screws 2 shafts A collar is sleeved and installed, and the rotation directions are the same. A sealing ring is sleeved and installed at the end of any screw 2 , and the sealing ring is located at the ends of the screw 2 that are close to each other.

[0038] Both sides of any screw 2 are provided with star wheels 3, the number of star wheels 3 is set to 4, and the two are located on both sides of different screws 2 respectively, the axis of the star wheel 3 and the axial direction of the screw 2 are set. perpendi...

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Abstract

The invention relates to a double-screw four-star-wheel compressor, and relates to the technical field of screw compressors, the double-screw four-star-wheel compressor comprises a machine shell, screws rotationally mounted in the machine shell and star wheels meshed with the screws, and the star wheels are rotationally mounted on the machine shell; the star wheel comprises a star wheel base fixedly installed on the machine shell, a plurality of trapezoidal star wheel tooth pieces installed on the star wheel base in a sliding mode and a compensation assembly driving the star wheel tooth pieces to move in the radial direction of the star wheel base, and the star wheel tooth pieces abut against the interior of a screw groove of the screw. By arranging the compensation assembly, when a gap is generated between the star wheel tooth piece and the screw groove of the screw rod, the star wheel tooth piece is driven by the compensation assembly to slide in the direction away from the center of the star wheel seat, so that the star wheel tooth piece abuts against the interior of the screw groove of the screw rod again, and gap compensation between the star wheel tooth and the screw groove is achieved; the sealing effect between the star wheel teeth and the spiral groove is improved, and the problem that the efficiency of the compressor is reduced due to abrasion is solved.

Description

technical field [0001] The present application relates to the technical field of screw compressors, in particular to a twin-screw four-star-wheel compressor. Background technique [0002] The screw compressor consists of a cylindrical screw and two symmetrically arranged plane star wheels to form a meshing pair, which is installed in the casing. The screw groove, the inner wall of the casing and the star gear teeth form a closed volume. The power is transmitted to the screw shaft, and the screw drives the star wheel to rotate. The gas enters the screw groove from the suction cavity, and is discharged through the exhaust port and the exhaust cavity after being compressed. The role of the star wheel is equivalent to the piston of the reciprocating piston compressor. When the teeth of the star wheel move relatively in the screw groove, the closed volume gradually decreases to realize the compression of the gas. [0003] In the related art, the screw shaft and the star wheel ...

Claims

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Application Information

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IPC IPC(8): F04C18/16F04C27/00
CPCF04C18/16F04C27/00
Inventor 张兆恒杨小平
Owner HAOMI POWER EQUIP CO LTD
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