CN217632987U

CN217632987U - Centrifugal compressor rotor

Info

Publication number: CN217632987U
Application number: CN202220789957.9U
Authority: CN
Inventors: 白晨
Original assignee: Shenyang Ruiheng Blower Co ltd
Current assignee: Shenyang Ruiheng Blower Co ltd
Priority date: 2022-04-07
Filing date: 2022-04-07
Publication date: 2022-10-21
Anticipated expiration: 2032-04-07

Abstract

The utility model discloses a centrifugal compressor rotor, which comprises a shell, a driving machine, multistage impellers and a rotor, wherein the driving machine is arranged on one side of the shell, the rotor is movably arranged on the shell, the multistage impellers are sleeved on the rotor, the driving machine is linked with the rotor, the rotor is provided with a multistage series assembly structure, and the multistage impellers are matched with the multistage series assembly structure; the utility model relates to a centrifugal compressor technical field, this centrifugal compressor rotor adopt the structure of multistage series connection, and multistage series connection package assembly can carry out multistage series connection package assembly's equipment according to multistage impeller's progression to change the length and the progression of rotor, improvement centrifugal compressor's that can be very big dismouting convenience improves the commonality of rotor operation, avoids the application in-process, and the application of rotor is limited.

Description

Centrifugal compressor rotor

Technical Field

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

Background

The centrifugal compressor is also called as a "vortex-type compressor". The structure and the operation principle are similar to those of a centrifugal blower, but the centrifugal blower is always multi-stage, so that the gas can obtain higher pressure, the treatment capacity is higher, and the efficiency is higher. The centrifugal compressor generally comprises a shell, a driving machine, a rotor and an impeller, wherein the rotor is an important component for connecting the impeller and the driving machine, and the conventional rotor generally adopts an integrated structure in an application process, so that the application of only one compressor can be met, and the problem that the centrifugal compressor using the same main shaft cannot be compatible due to different impeller stages is limited.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a centrifugal compressor rotor has solved current background technical problem.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a centrifugal compressor rotor comprises a shell, a driving machine, a multi-stage impeller and a rotor, wherein the driving machine is installed on one side of the shell, the rotor is movably installed on the shell, the multi-stage impeller is sleeved on the rotor, the driving machine is linked with the rotor, a multi-stage series assembly structure is arranged on the rotor, and the multi-stage impeller is matched with the multi-stage series assembly structure;

the multistage series assembly structure includes: the connecting device comprises a rotating shaft, a plurality of inserting blocks, a plurality of inserting grooves, a plurality of connecting holes and a plurality of connecting bolts;

the rotor divide into both ends, and rotor front end and rotor rear end components of a whole that can function independently are connected, be provided with the axis of rotation between rotor front end and the rotor rear end, the both ends of axis of rotation are provided with a plurality of inserted blocks and a plurality of slots respectively, set up a plurality of slots with the specification on the rotor front end, the rotor rear end is provided with a plurality of inserted blocks with the specification, and is a plurality of be provided with a plurality of connecting holes on the slot and link up to the outside of rotor front end and axis of rotation, and is a plurality of be provided with a plurality of connecting bolt in the connecting hole and connect on a plurality of inserted blocks, be provided with a plurality of coupling assembling between axis of rotation and the multistage impeller.

Preferably, the plurality of insertion blocks are inserted into the plurality of insertion slots to sequentially connect the front end of the rotor, the rotating shaft and the rear end of the rotor.

Preferably, the connecting holes are grooves with a plurality of bell-mouth-shaped structures.

Preferably, the plurality of inserting blocks are plates with a plurality of sector structures, and the plurality of inserting grooves are sector grooves matched with the inserting blocks.

Preferably, the connection assembly includes: the clamping grooves, the clamping blocks and the positioning bolts are arranged on the base;

the multistage impeller is characterized in that a plurality of clamping grooves are formed in the outer side of the rotating shaft, a plurality of clamping blocks are arranged on the inner ring of the multistage impeller, the clamping blocks are inserted into the clamping grooves, and a plurality of positioning bolts are arranged on the clamping grooves and connected to the clamping blocks.

Preferably, both ends of the rotor are respectively provided with a sealing ring.

Advantageous effects

The utility model provides a centrifugal compressor rotor. The method has the following beneficial effects: this centrifugal compressor rotor adopts the structure of multistage series connection, and multistage series connection package assembly can carry out multistage series connection package assembly's equipment according to multistage impeller's progression to change the length and the progression of rotor, improvement centrifugal compressor's that can be very big dismouting convenience improves the commonality of rotor operation, avoids the application in-process, and the application of rotor is limited.

Drawings

Fig. 1 is a schematic front view of a centrifugal compressor rotor according to the present invention.

Fig. 2 is a schematic view of a partial side view of a centrifugal compressor rotor according to the present invention.

Fig. 3 is a schematic view of a partial cross-sectional structure of a centrifugal compressor rotor according to the present invention.

In the figure: 1. a housing; 2. a driver; 3. a multi-stage impeller; 4. a rotor; 5. a rotating shaft; 6. inserting a block; 7. a slot; 8. connecting holes; 9. a connecting bolt; 10. a card slot; 11. a clamping block; 12. positioning the bolt; 13. and (6) sealing rings.

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.

All the electrical components in the present application are connected with the power supply adapted to the electrical components through a wire, and an appropriate controller and an appropriate encoder should be selected according to actual conditions to meet control requirements, and specific connection and control sequences should be obtained.

Example 1: according to the attached figures 1-3 of the specification, the centrifugal compressor rotor 4 comprises a shell 1, a driving machine 2, a multistage impeller 3 and a rotor 4, wherein the driving machine 2 is arranged on one side of the shell 1, the rotor 4 is movably arranged on the shell 1, the multistage impeller 3 is sleeved on the rotor 4, the driving machine 2 is linked with the rotor 4, a multistage series assembly structure is arranged on the rotor 4, the multistage impeller 3 is matched with the multistage series assembly structure, in the specific implementation process, the driving motor is used for driving the rotor 4 to rotate on the shell 1, the multistage series assembly structures arranged on the rotor 4 can be axially overlapped, the number of stages is changed as required, and the multistage impeller 3 is matched with the multistage series assembly structure in number;

as can be seen from fig. 1 to 3 of the specification, the multistage series assembly structure includes: the connecting structure comprises a rotating shaft 5, a plurality of inserting blocks 6, a plurality of inserting grooves 7, a plurality of connecting holes 8 and a plurality of connecting bolts 9, wherein the connecting relation and the position relation are as follows;

the rotor 4 is divided into two ends, the front end of the rotor 4 is connected with the rear end of the rotor 4 in a split manner, a rotating shaft 5 is arranged between the front end of the rotor 4 and the rear end of the rotor 4, a plurality of inserting blocks 6 and a plurality of inserting slots 7 are respectively arranged at the two ends of the rotating shaft 5, a plurality of inserting slots 7 with the same specification are arranged at the front end of the rotor 4, a plurality of inserting blocks 6 with the same specification are arranged at the rear end of the rotor 4, a plurality of connecting holes 8 are formed in the plurality of inserting slots 7 and penetrate to the front end of the rotor 4 and the outer side of the rotating shaft 5, a plurality of connecting bolts 9 are arranged in the plurality of connecting holes 8 and connected to the plurality of inserting blocks 6, and a plurality of connecting assemblies are arranged between the rotating shaft 5 and the multistage impeller 3;

in the specific implementation in-process, rotor 4 front end and 4 rear ends of rotor grasp middle a plurality of levels axis of rotation 5, a plurality of levels 5 end to end connections of axis of rotation, can change the progression as required, insert 6 and slot 7 through 5 both ends of axis of rotation match, can carry out series connection with axial axis of rotation 5, through adopting connecting bolt 9 through connection hole 8, can be connected insert 6 and slot 7, thereby when playing the multistage connecting axle of connection, play fixed connection's effect through a plurality of connecting bolt 9, and coupling assembling can be connected multistage impeller 3 with axis of rotation 5, play synchronous drive's effect.

Example 2: the plurality of inserting blocks 6 are inserted into the plurality of inserting grooves 7 to sequentially connect the front end of the rotor 4, the rotating shaft 5 and the rear end of the rotor 4 to form the whole body of the rotor 4.

Example 3: the connecting holes 8 are grooves with a plurality of bell mouth-shaped structures, so that the connecting bolts 9 are prevented from being exposed.

Example 4: the plurality of inserting blocks 6 are plates with a plurality of fan-shaped structures, and the plurality of inserting grooves 7 are fan-shaped grooves matched with the inserting blocks, so that the structure is simple and the connection is stable.

Example 5: as can be seen from fig. 1 to 3 of the specification, the connecting assembly comprises: the clamping grooves 10, the clamping blocks 11 and the positioning bolts 12 are connected in the following manner and in the following position relationship;

a plurality of clamping grooves 10 are formed in the outer side of the rotating shaft 5, a plurality of clamping blocks 11 are arranged on the inner ring of the multistage impeller 3, the clamping blocks 11 are inserted into the clamping grooves 10, and a plurality of positioning bolts 12 are arranged on the clamping grooves 10 and connected to the clamping blocks 11;

in the specific implementation process, a plurality of clamping grooves 10 are formed in the outer side of the rotating shaft 5 and can clamp the outer side of the multistage impeller 3, and the clamping grooves 10 and the clamping blocks 11 can be connected through the positioning bolts 12.

Example 6: and sealing rings 13 are respectively arranged at two ends of the rotor 4, so that the sealing performance is improved.

In summary, the centrifugal compressor rotor 4 adopts a multistage series structure, and the multistage series assembly structure can be assembled according to the stage number of the multistage impeller 3, so as to change the length and the stage number of the rotor 4, greatly improve the convenience of disassembly and assembly of the centrifugal compressor, improve the universality of the operation of the rotor 4, and avoid the limitation of the application of the rotor 4 in the application process.

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. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

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 centrifugal compressor rotor comprises a shell (1), a driving machine (2), a multi-stage impeller (3) and a rotor (4), wherein the driving machine (2) is installed on one side of the shell (1), the rotor (4) is movably installed on the shell (1), the multi-stage impeller (3) is sleeved on the rotor (4), the driving machine (2) is linked with the rotor (4), and the centrifugal compressor rotor is characterized in that a multi-stage series assembly structure is arranged on the rotor (4), and the multi-stage impeller (3) is matched with the multi-stage series assembly structure;

the multistage series assembly structure includes: the device comprises a rotating shaft (5), a plurality of inserting blocks (6), a plurality of inserting grooves (7), a plurality of connecting holes (8) and a plurality of connecting bolts (9);

rotor (4) divide into both ends, rotor (4) front end and rotor (4) rear end components of a whole that can function independently connection, be provided with axis of rotation (5) between rotor (4) front end and rotor (4) rear end, the both ends of axis of rotation (5) are provided with a plurality of inserted blocks (6) and a plurality of slot (7) respectively, set up a plurality of slots (7) with the specification on rotor (4) front end, rotor (4) rear end is provided with a plurality of inserted blocks (6) with the specification, and is a plurality of be provided with a plurality of connecting holes (8) on slot (7) and link up to the outside of rotor (4) front end and axis of rotation (5), and is a plurality of be provided with a plurality of connecting bolt (9) in connecting hole (8) and connect on a plurality of inserted blocks (6), be provided with a plurality of coupling assembling between axis of rotation (5) and multistage impeller (3).

2. A centrifugal compressor rotor according to claim 1, characterized in that a plurality of said inserts (6) are inserted into a plurality of said slots (7) to connect the front end of the rotor (4), the rotating shaft (5) and the rear end of the rotor (4) in sequence.

3. A centrifugal compressor rotor according to claim 1, characterized in that the attachment holes (8) are recesses of a bell-mouth type construction.

4. -rotor according to claim 1, characterised in that several of the inserts (6) are plates of a sector structure and several of the slots (7) are sector grooves matching them.

5. A centrifugal compressor rotor according to claim 1, wherein the connection assembly comprises: a plurality of clamping grooves (10), a plurality of clamping blocks (11) and a plurality of positioning bolts (12);

the multi-stage impeller is characterized in that a plurality of clamping grooves (10) are formed in the outer side of the rotating shaft (5), a plurality of clamping blocks (11) are arranged on the inner ring of the multi-stage impeller (3), the clamping blocks (11) are inserted into the clamping grooves (10), and a plurality of positioning bolts (12) are arranged on the clamping grooves (10) and connected to the clamping blocks (11).

6. A centrifugal compressor rotor according to claim 1, characterized in that the rotor (4) is provided with sealing rings (13) at both ends, respectively.