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Screw compressor

A screw compressor and screw lock technology, applied in the field of compressors, can solve problems such as damage to bearings and other components, vibration or displacement, etc., and achieve the effect of stable operation of the shaft

Active Publication Date: 2012-12-12
SHANGHAI HANBELL PRECISE MASCH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this way, when the motor rotates, there will inevitably be vibration or displacement between the shaft and the motor rotor, which will become more serious if it is operated at a higher speed, which will cause damage to components such as bearings

Method used

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Embodiment Construction

[0023] A preferred embodiment will be given below, and the present invention will be described more clearly and completely in conjunction with the accompanying drawings.

[0024] Such as figure 2 and image 3 As shown, the screw compressor of the present invention includes a shell 10 and a compressor assembly disposed inside the shell 10 . The casing 10 is mainly composed of a main body 11 and an end cover 12 , wherein the end cover 12 can be combined with the main body 11 to close the port of the main body 11 . The above-mentioned compressor assembly includes a motor, a screw rotor 30 , a motor rotor block 23 , a screw lock 24 , a first bearing 41 , a second bearing 42 and a third bearing 43 .

[0025] The motor includes a motor stator 21 and a motor rotor 22 , the motor stator 21 surrounds the motor rotor 22 , and the position of the motor is closer to the side of the end cover 12 than the position of the screw rotor 30 . The motor rotor 22 includes an effective inductio...

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PUM

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Abstract

The invention discloses a screw compressor. The screw compressor comprises a shell, a motor rotor, a motor stator, a screw swivel and the like; the screw swivel also comprises an extension section which is an effective sensing section extending from a motor connection section and exceeding the motor rotor; the extension section is provided with a screw hole; the screw compressor also comprises a motor rotor baffle plate, a screw lock piece and a third bearing; the motor rotor baffle plate comprises a base and a first flange part and a second flange part which extend from the two opposite sides of the base; the first flange part is sleeved on the extension section and is pressed against the effective sensing section in an axis direction; the screw lock piece and the screw hole are spirallylocked; the screw lock piece presses the base in the axis direction; and the third bearing is sandwiched between the second flange part and an end cover. In the screw compressor, the motor rotor and the screw swivel are effectively fixed and a revolving shaft of the compressor can be kept rotating stably.

Description

technical field [0001] The invention relates to a compressor, in particular to a screw compressor, the motor rotor and the screw rotating body of the screw compressor can be effectively fixed, and the rotation shaft of the compressor can be kept stable. Background technique [0002] Such as figure 1 As shown, the existing compressor mainly includes a motor 91 and a screw rotor 92 . The motor 91 has a motor stator 93 and a motor rotor 94 . The casing 90 includes a main body 901 and an end cover 902. The assembly sequence of the compressor is to first install the motor 91 and the screw rotor 92 in the main body 901 of the casing 90, and then axially cover the end cover 902 on the port of the main body 901. to close. [0003] The spiral rotor 92 can be sequentially divided into a motor connection section 921 , a first support section 922 , a spiral section 923 and a second support section 924 from the side close to the motor 91 . The first supporting section 922 and the seco...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F04D17/06F04D29/28F04D29/056F04D29/053
Inventor 刘明信
Owner SHANGHAI HANBELL PRECISE MASCH CO LTD