CN214577925U

CN214577925U - Centrifugal compressor return device

Info

Publication number: CN214577925U
Application number: CN202120762669.XU
Authority: CN
Inventors: 石峰
Original assignee: Hisbit Fluid Technology Shenzhen Co ltd
Current assignee: Hisbit Fluid Technology Shenzhen Co ltd
Priority date: 2021-04-14
Filing date: 2021-04-14
Publication date: 2021-11-02
Anticipated expiration: 2031-04-14

Abstract

The utility model provides a centrifugal compressor backward flow ware, which comprises a housin, be provided with the center pin in the casing, the vent has been seted up to the centre of casing link up, the equidistance is fixed with a plurality of first blades on the center pin, the outside that lies in first blade on the casing is still equidistance and is provided with a plurality of second blades, the second blade rotates through pivot and casing to be connected, be connected with adjusting part in the pivot, adjusting part is used for driving the pivot and rotates the angle in order to adjust the second blade, adjusting part includes driven gear and ring gear, driven gear overlaps and establishes in the pivot, the ring gear meshes with driven gear mutually, the utility model discloses the water conservancy diversion angle that can convenient adjustment blade to the problem of the adjustment of the water conservancy diversion blade of solving current centrifugal compressor is not convenient for.

Description

Centrifugal compressor return device

Technical Field

The utility model relates to a centrifugal compressor technical field especially relates to a centrifugal compressor backward flow ware.

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 function of the return device is to make the airflow enter the next stage uniformly according to the required direction, and the guide vanes in the return device are usually fixed and cast for installation.

In the prior art, the guide direction needs to be changed when the flow is guided according to the flow velocity of the compressed gas due to the flow guiding requirement, but the guide vanes of the existing reflux device are generally of a fixed casting structure, and the guide direction of the gas is invariable, so the guide angle of the guide vanes cannot be timely adjusted according to the flow velocity.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a centrifugal compressor backward flow ware, the water conservancy diversion angle that can convenient adjustment blade to solve the problem of the adjustment of not being convenient for of current centrifugal compressor's water conservancy diversion blade.

In order to achieve the above purpose, the present invention is realized by the following technical solution: the utility model provides a centrifugal compressor backward flow ware, includes the casing, be provided with the center pin in the casing, the middle of casing link up and has seted up the vent, the equidistance is fixed with a plurality of first blades on the center pin, the outside that lies in first blade on the casing is still equidistance and is provided with a plurality of second blades, the second blade rotates through pivot and casing to be connected, be connected with adjusting part in the pivot, adjusting part is used for driving the pivot and rotates the angle in order to adjust the second blade.

Further, the adjusting component comprises a driven gear and a gear ring, the driven gear is sleeved on the rotating shaft, and the gear ring is meshed with the driven gear.

Furthermore, the adjusting assembly further comprises a micro motor and a driving gear, an output shaft of the micro motor is connected with the driving gear, a plurality of teeth are arranged on the inner ring and the outer ring of the toothed ring at equal intervals respectively, the driving gear is meshed with the outer ring teeth of the toothed ring, and the driven gear is meshed with the inner ring teeth of the toothed ring.

Further, casing one side is provided with solid fixed ring, the pivot is connected with solid fixed ring rotation.

Furthermore, one side of the fixing ring, which is close to the shell, is provided with a ring groove, and the ring groove is used for the toothed ring to move.

Further, one side of the shell, which is far away from the fixing ring, is provided with a mounting plate, the mounting plate is fixed on a vent of the shell, and a gap is arranged between the mounting plate and the shell.

The utility model has the advantages that: the utility model discloses a be connected with adjusting part on the second blade, through the angle that adjusting part can convenient adjustment second blade, among the adjusting part, through setting up micromotor, micromotor can drive the ring gear through the driving gear and rotate, can drive driven gear when the ring gear rotates and rotate, and driven gear rotates and can drive the pivot and rotate, and the pivot rotates and drives the second blade and carries out angular adjustment, realizes the angle of convenient quick adjustment second blade, can satisfy not equidirectional water conservancy diversion demand.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic structural view of the present invention;

fig. 2 is a side view of the present invention;

fig. 3 is a cross-sectional view of the present invention;

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

In the figure: 1. a housing; 2. a vent; 3. a central shaft; 31. a first blade; 4. mounting a plate; 5. a fixing ring; 51. a ring groove; 52. a toothed ring; 6. a micro-motor; 61. a driving gear; 7. a second blade; 71. a rotating shaft; 711. a driven gear.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Please refer to fig. 1, a centrifugal compressor reflux device, which comprises a housing 1, a central shaft 3 is arranged in the housing 1, a ventilation opening 2 is opened in the middle of the housing 1, a plurality of first blades 31 are equidistantly fixed on the central shaft 3, a plurality of second blades 7 are equidistantly arranged on the housing 1 and outside the first blades 31, the second blades 7 are rotatably connected with the housing 1 through a rotating shaft 71, an adjusting assembly is connected on the rotating shaft 71, the adjusting assembly is used for driving the rotating shaft 71 to rotate so as to adjust the angle of the second blades 7, the gas is guided out according to a certain direction after being guided through the first blades 31 and the second blades 7, the guiding direction of the second blades 7 can be conveniently adjusted through the adjusting assembly, and thus the guiding requirements under different conditions can be met.

One side that solid fixed ring 5 was kept away from to casing 1 is provided with mounting panel 4, and mounting panel 4 is fixed on the vent 2 of casing 1, is provided with the interval between mounting panel 4 and the casing 1, can install this device convenient in the assigned position through the interval between mounting panel 4 and the casing 1.

Referring to fig. 2 to 4, the adjusting assembly includes a driven gear 711 and a toothed ring 52, the driven gear 711 is sleeved on the rotating shaft 71, the toothed ring 52 is engaged with the driven gear 711, and the plurality of groups of driven gears 711 can be driven to rotate uniformly by the rotation of the toothed ring 52, so as to drive the plurality of groups of second blades 7 to adjust the angle uniformly.

The adjusting assembly further comprises a micro motor 6 and a driving gear 61, an output shaft of the micro motor 6 is connected with the driving gear 61, the micro motor 6 is fixed on one side of the shell, a plurality of teeth are respectively arranged on an inner ring and an outer ring of the toothed ring 52 at equal intervals, the driving gear 61 is meshed with outer ring teeth of the toothed ring 52, the driven gear 711 is meshed with inner ring teeth of the toothed ring 52, the driving gear 61 is driven to rotate when the micro motor 6 is started, the driving gear 61 drives the toothed ring 52 to rotate, the toothed ring 52 drives the driven gear 711 to rotate, the driven gear 711 drives the rotating shaft 71 to rotate, and the rotating shaft 71 drives the second blade 7 to rotate.

Casing 1 one side is provided with solid fixed ring 5, and pivot 71 rotates with solid fixed ring 5 to be connected, and solid fixed ring 5 is close to one side of casing 1 and is provided with annular 51, and annular 51 is used for the ring gear 52 to move about, can make the steady internal rotation of casing 1 of ring gear 52 through setting up solid fixed ring 5 and annular 51.

The working principle is as follows: when the water conservancy diversion angle of second blade 7 needs to be adjusted, start micromotor 6 and drive driving gear 61 and rotate, driving gear 61 rotates and drives ring gear 52 at annular 51 internal rotation, ring gear 52 rotates and to drive driven gear 711 and rotate, driven gear 711 rotates and drives pivot 71 and rotate, pivot 71 rotates and drives second blade 7 and rotate, through setting up ring gear 52, can drive a plurality of groups of second blades 7 simultaneously and rotate, guarantee that a plurality of second blades 7 can mutually support and carry out gaseous water conservancy diversion, realize the convenient adjustment of water conservancy diversion direction.

Finally, it should be noted that: the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the technical solution of the present invention, and the protection scope of the present invention is not limited thereto, although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: those skilled in the art can still modify or easily conceive of changes in the technical solutions described in the foregoing embodiments or make equivalent substitutions for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a centrifugal compressor backward flow ware, includes casing (1), its characterized in that, be provided with center pin (3) in casing (1), vent (2) have been seted up to the centre of casing (1) link up, equidistant a plurality of first blade (31) of being fixed with on center pin (3), the outside that lies in first blade (31) on casing (1) still equidistance is provided with a plurality of second blade (7), second blade (7) rotate with casing (1) through pivot (71) and are connected, be connected with adjusting part on pivot (71), adjusting part is used for driving pivot (71) and rotates the angle in order to adjust second blade (7).

2. The centrifugal compressor return flow of claim 1, wherein the adjustment assembly includes a driven gear (711) and a toothed ring (52), the driven gear (711) is sleeved on the rotating shaft (71), and the toothed ring (52) is meshed with the driven gear (711).

3. The centrifugal compressor reflux device as claimed in claim 2, wherein the adjusting assembly further comprises a micro motor (6) and a driving gear (61), an output shaft of the micro motor (6) is connected with the driving gear (61), a plurality of teeth are respectively arranged on the inner ring and the outer ring of the toothed ring (52) at equal intervals, the driving gear (61) is meshed with the outer ring teeth of the toothed ring (52), and the driven gear (711) is meshed with the inner ring teeth of the toothed ring (52).

4. A centrifugal compressor return flow according to claim 3, characterized in that the housing (1) is provided with a fixing ring (5) on one side, and the rotating shaft (71) is rotatably connected to the fixing ring (5).

5. A centrifugal compressor return flow according to claim 4, characterized in that the side of the fixing ring (5) adjacent to the housing (1) is provided with a ring groove (51), said ring groove (51) being provided for the movement of a toothed ring (52).

6. A centrifugal compressor reflux condenser as claimed in claim 5, characterized in that the side of the casing (1) remote from the fixing ring (5) is provided with a mounting plate (4), which mounting plate (4) is fixed to the ventilation opening (2) of the casing (1), a space being provided between the mounting plate (4) and the casing (1).