CN212928199U

CN212928199U - Compressor exhaust rotor

Info

Publication number: CN212928199U
Application number: CN202021930700.8U
Authority: CN
Inventors: 郭五一
Original assignee: Chongqing Baoou Technology Co ltd
Current assignee: Chongqing Baoou Technology Co ltd
Priority date: 2020-09-07
Filing date: 2020-09-07
Publication date: 2021-04-09
Anticipated expiration: 2030-09-07

Abstract

The utility model discloses a compressor exhaust rotor, which comprises a rotor and a main shaft, wherein one end of the rotor is rotationally connected with a fixed pipe, the fixed pipe is detachably connected with the main shaft, and the other end of the rotor is fixedly connected with the main shaft through a bolt; the utility model discloses a be equipped with the lug, recess and fixed cover, through the inside with the lug injection recess, then rotate fixed pipe, will fix pipe and main shaft threaded connection, make fixed pipe and main shaft fixed connection, pass through bolt fixed connection with the other end of rotor and main shaft simultaneously, play further spacing effect to the rotor, when the main shaft drives the high-speed pivoted of rotor, can prevent that the rotor from taking place not hard up or skidding, produce the displacement when avoiding the operation, cause the friction, trouble such as striking, play the effect of protection to the rotor, ensure the normal work of compressor, thereby can ensure the normal operating of equipment, and it is all more convenient to dismantle and install, bring the convenience for the maintenance personal.

Description

Compressor exhaust rotor

Technical Field

The utility model relates to a rotor technical field specifically is a compressor exhaust rotor.

Background

The working principle of the centrifugal compressor is that after gas enters an impeller of the centrifugal compressor, the gas rotates at a high speed along with the impeller under the action of blades of the impeller, flows to an outlet of the impeller under the action of rotating centrifugal force, and is subjected to the diffusion effect of the impeller, the pressure energy and the kinetic energy of the gas are improved, after the gas enters a diffuser, the kinetic energy is further converted into pressure energy, the gas flows into a next-stage impeller through a curve and a reflux device to be further compressed, so that the gas pressure meets the requirements required by the process, a rotor is a working part of the compressor, the gas obtains the pressure energy and the speed energy by rotating to do work, the rotor mainly comprises elements such as a main shaft, the impeller, a balance disc, a thrust disc, a distance sleeve and the like, before the rotor is assembled, all the impellers are subjected to an overspeed test, and the rotor has enough strength and rigidity, but the existing rotor has some defects when being installed, such as:

when being connected with adapting unit, main shaft on the rotor among the prior art is through bolt fixed connection or threaded connection, but, actuating mechanism is in high-speed pivoted state driving rotor pivoted in-process, can take place to become flexible or skid if main epaxial connecting piece, produces the displacement during operation, causes trouble such as friction, striking, not only causes the damage to the rotor, makes the work that the compressor can not be normal moreover to influence the normal operating of equipment.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a compressor exhaust rotor to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a compressor exhaust rotor, includes rotor, main shaft, the one end of rotor is rotated and is connected with fixed pipe, fixed pipe with the connection can be dismantled to the main shaft, the other end of rotor with the main shaft passes through bolt fixed connection.

Preferably, the peripheral one end welding of rotor has the stopper, the inner wall of fixed pipe is close to one end department and has seted up the fluting, the stopper with the fluting is pegged graft, the stopper with fluting sliding connection.

Preferably, fixed cover has been cup jointed in the peripheral middle part of main shaft, fixed cover with the main shaft welding, the peripheral one end of fixed cover is provided with screw thread portion, the peripheral other end of fixed cover is provided with a plurality of lug, the peripheral one end of rotor is provided with a plurality of recess, the lug with the recess is pegged graft, the lug with recess sliding connection, the inner wall of fixed pipe is provided with the screw hole, screw thread portion with screw hole threaded connection.

Preferably, the lug with fixed cover welding, the lug is equipped with six altogether, six lug evenly distributed, the recess is equipped with six altogether, six recess evenly distributed, the lug with the recess phase-match.

Preferably, the length dimension of the bump is 1-3 CM.

Preferably, the limiting block is of a cylindrical structure.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model is provided with the convex block, the groove and the fixed sleeve, and when the utility model is installed, the convex block is inserted into the groove, then the fixed tube is rotated to be connected with the main shaft through threads, so that the fixed tube is fixedly connected with the main shaft, the other end of the rotor is fixedly connected with the main shaft through a bolt, the rotor is further limited, when the main shaft drives the rotor to rotate at high speed, the rotor can be prevented from loosening or slipping, the faults of friction, impact and the like caused by displacement in operation are avoided, the rotor is protected, the normal work of the compressor is ensured, the normal operation of the equipment can be ensured, when in disassembly, the bolts on the rotor and the main shaft are disassembled, then the fixed pipe and the main shaft are unscrewed, the rotor can be drawn out of the main shaft, and the dismounting and the mounting are both convenient, so that convenience is brought to maintenance personnel.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the main shaft connection structure of the present invention;

FIG. 3 is a schematic cross-sectional view of the rotor of the present invention;

fig. 4 is an enlarged schematic view of a portion a in fig. 3.

In the figure: 1-a main shaft; 11-fixing the sleeve; 12-a threaded portion; 13-a bump; 2-a connector; 21-a groove; 22-a limiting block; 3-fixing the tube; 31-a threaded hole; 32-slotting.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a compressor exhaust rotor comprises a rotor 2 and a main shaft 1, wherein the rotor 2 is the prior art, and for the technical personnel in the field, the specific structure and the working principle are familiar, one end of the rotor 2 is rotatably connected with a fixed pipe 3, the fixed pipe 3 is detachably connected with the main shaft 1, the rotor 2 and the main shaft 1 can be further fixed by arranging the fixed pipe 3, the rotor 2 is prevented from loosening in the rotating process, the other end of the rotor 2 is fixedly connected with the main shaft 1 through a bolt, a limit block 22 is welded at one peripheral end of the rotor 2, a notch 32 is arranged at a position, close to one end, of the inner wall of the fixed pipe 3, the limit block 22 is inserted into the notch 32, the limit block 22 is slidably connected with the notch 32, and the limit block 22 can rotate in the notch 32 by rotating the fixed pipe 3, therefore, the fixed pipe 3 can be rotatably connected with the rotor 2, the middle part of the periphery of the main shaft 1 is sleeved with the fixed sleeve 11, the fixed sleeve 11 is welded with the main shaft 1, one end of the periphery of the fixed sleeve 11 is provided with the threaded part 12, the other end of the periphery of the fixed sleeve 11 is provided with the plurality of convex blocks 13, the threaded part 12 and the fixed sleeve 11 are of an integrally cast structure, the convex blocks 13, the threaded part 12 and the fixed sleeve 11 are cast through a template, the structure of the template is matched with the structures of the convex blocks 13, the threaded part 12 and the fixed sleeve 11, one end of the periphery of the rotor 2 is provided with the plurality of grooves 21, the convex blocks 13 are spliced with the grooves 21, the convex blocks 13 are in sliding connection with the grooves 21, the inner wall of the fixed pipe 3 is provided with the threaded holes 31, lug 13 is equipped with six altogether, six lug 13 evenly distributed, recess 21 is equipped with six altogether, six recess 21 evenly distributed, lug 13 with recess 21 phase-match through the inside of injecting lug 13 into recess 21, plays further spacing effect to rotor 2, when main shaft 1 drives rotor 2 high-speed pivoted, can prevent that rotor 2 from taking place not hard up or skidding, produces the displacement when avoiding moving, causes trouble such as friction, striking, plays the effect of protection to rotor 2, ensures the normal work of compressor to can ensure the normal operating of equipment, lug 13's length dimension is 1-3CM, stopper 22 is cylindrical structure.

The working principle is as follows: in use, when installed, the fixing tube 3 is screwed with the main shaft 1 by inserting the projection 13 into the inside of the groove 21 and then rotating the fixing tube 3, so that the fixed tube 3 is fixedly connected with the main shaft 1, and the other end of the rotor 2 is fixedly connected with the main shaft 1 through a bolt, the rotor 2 is further limited, when the main shaft 1 drives the rotor 2 to rotate at a high speed, the rotor 2 can be prevented from loosening or slipping, the faults of friction, impact and the like caused by displacement in operation are avoided, the rotor 2 is protected, the normal work of the compressor is ensured, the normal operation of the equipment can be ensured, and when in disassembly, the rotor 2 is disassembled from the bolt on the main shaft 1, then the fixed pipe 3 is unscrewed from the main shaft 1, the rotor 2 can be taken out from the main shaft 1, the disassembly and the assembly are both convenient, and convenience is brought to maintenance personnel.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A compressor discharge rotor, comprising:

a rotor (2);

a main shaft (1);

wherein, the one end of rotor (2) is rotated and is connected with fixed pipe (3), fixed pipe (3) with main shaft (1) can be dismantled and be connected, the other end of rotor (2) with main shaft (1) passes through bolt fixed connection.

2. A compressor discharge rotor as set forth in claim 1, wherein: the welding of the peripheral one end of rotor (2) has stopper (22), fluting (32) have been seted up near one end department to the inner wall of fixed pipe (3), stopper (22) with fluting (32) are pegged graft, stopper (22) with fluting (32) sliding connection.

3. A compressor discharge rotor as set forth in claim 1, wherein: fixed cover (11) have been cup jointed in the peripheral middle part of main shaft (1), fixed cover (11) with main shaft (1) welding, the peripheral one end of fixed cover (11) is provided with screw thread portion (12), the peripheral other end of fixed cover (11) is provided with a plurality of lug (13), the peripheral one end of rotor (2) is provided with a plurality of recess (21), lug (13) with recess (21) are pegged graft, lug (13) with recess (21) sliding connection, the inner wall of fixed pipe (3) is provided with screw hole (31), screw thread portion (12) with screw hole (31) threaded connection.

4. A compressor discharge rotor as set forth in claim 3, wherein: lug (13) with fixed cover (11) welding, lug (13) are equipped with six altogether, six lug (13) evenly distributed, recess (21) are equipped with six altogether, six recess (21) evenly distributed, lug (13) with recess (21) phase-match.

5. A compressor discharge rotor as set forth in claim 3, wherein: the length dimension of the bump (13) is 1-3 CM.

6. A compressor discharge rotor as set forth in claim 2, wherein: the limiting block (22) is of a cylindrical structure.