CN218981342U

CN218981342U - Submersible flow impeller

Info

Publication number: CN218981342U
Application number: CN202222982976.6U
Authority: CN
Inventors: 桑学志; 王帅; 孔令岩
Original assignee: Zoucheng Public Water Co ltd
Current assignee: Zoucheng Public Water Co ltd
Priority date: 2022-11-09
Filing date: 2022-11-09
Publication date: 2023-05-09
Anticipated expiration: 2032-11-09

Abstract

The utility model discloses a submersible water impeller, which belongs to the technical field of sewage treatment equipment and comprises a shell, wherein a water impeller is arranged at the front part of the shell, and a sewage blocking sieve is arranged between a speed reducing motor and the shell; the method is characterized in that: a gear box, a cutting impeller and a cutting disc are also arranged in the shell; and a preset number of spoilers are arranged on the inner wall of the shell between the plug flow impeller and the gear box. The beneficial effects of the utility model are as follows: the cutting impeller and the cutting disc realize a good cutting effect, and sundries are prevented from entering; the gear box realizes speed reduction, solves the problem that the rotation speeds of the plug flow impeller and the semi-open type cutting impeller are inconsistent, and realizes the rotation of the semi-open type cutting impeller and the plug flow impeller which are driven by the same power structure and have different rotation speed requirements; the spoiler can change the fluid form with the rivers of whirl, has solved the problem that the impeller of the semi-open cutting changes rivers from radial to whirl state, influences the stability of impeller of pushing.

Description

Submersible flow impeller

Technical field:

the utility model belongs to the technical field of sewage treatment equipment, and particularly relates to a submersible water impeller.

The background technology is as follows:

at present, the submersible flow impeller is widely applied to the flow impeller of an oxidation ditch, is suitable for the reverse stirring of a hydrolysis tank in the water treatment process of various sewage treatment plants, ensures that sludge is fully mixed with sewage in the tank, and ensures that the sludge in the tank is not deposited.

Most of the existing submersible water impeller are provided with an open structure, so that the thrust force of the structure is strong, but the impeller is easy to wind sundries, particularly in the sewage treatment process, because of more floaters, the floaters are easy to wind on the impeller, in order to solve the problems, the submersible water impeller with a shell is arranged at present, and the tail part of the submersible water impeller is provided with a dirt blocking screen, so that the problem that floaters are easy to wind on the impeller can be well solved compared with the submersible water impeller with the open structure;

however, if the dirt blocking screen is too dense, the floaters can be adsorbed or wound on the dirt blocking screen, so that the flow speed of water flow can be influenced, and if the dirt blocking screen is too dense, some floaters still pass through the dirt blocking screen to enter the machine shell and are wound on the plug flow impeller.

The utility model comprises the following steps:

in order to solve the problems and overcome the defects in the prior art, the utility model provides a submersible propeller;

the first technical problem to be solved is: if the dirt blocking screen is too dense, the floaters can be adsorbed or wound on the dirt blocking screen, so that the flow speed of water flow can be influenced, and if the dirt blocking screen is too dense, some floaters still pass through the dirt blocking screen to enter the machine shell and are wound on the plug flow impeller.

The specific technical scheme for solving the technical problems is as follows: the submersible water impeller comprises a shell, wherein the shell is of a hollow barrel-shaped structure with two open ends, a water impeller is arranged at the front part of the shell, a speed reducing motor for driving the water impeller is arranged at the tail end of the shell, and a dirt blocking screen is arranged between the speed reducing motor and the shell; the method is characterized in that: a gear box, a cutting impeller and a cutting disc are also arranged in the shell;

the impeller is connected with a gear box through a first rotating shaft, the gear box is connected with a cutting impeller through a second rotating shaft, a cutting disc is arranged on the outer side of the cutting impeller and fixed on the inner wall of the shell, the second rotating shaft penetrates through the cutting disc and extends to the outer side, the end part of the second rotating shaft is connected with an output shaft of a speed reduction motor through a key,

the gear box is internally meshed with a large gear and a small gear, a first rotating shaft is connected with a rotating shaft key of the small gear, a second rotating shaft is connected with a rotating shaft key of the large gear, and the gear box is connected with the inner wall of the shell through a gear box bracket.

Further, the cutting impeller is a semi-open type cutting impeller.

Further, a preset number of spoilers are arranged on the inner wall of the shell between the plug flow impeller and the gear box.

Further, the front end of the shell is provided with a fixed support, and the first rotating shaft is rotationally connected with the fixed support.

Further, the shell is of a Z-shaped hollow barrel structure with two open ends.

Further, a shell frame is arranged at the top of the shell, and a gear motor shell frame is arranged at the top of the shell of the gear motor.

The beneficial effects of the utility model are as follows:

one advantage of the utility model is that the cutting impeller and the cutting disc are provided to achieve better cutting effect, and the entry of sundries is avoided;

the utility model has the advantages that the gearbox is provided to realize speed reduction, so that the working requirements of the impeller are adapted, the problem that the rotation speeds of the impeller and the semi-open type cutting impeller are inconsistent is solved, and the rotation of the semi-open type cutting impeller and the impeller with different rotation speed requirements driven by the same power structure is realized;

the vortex plate can change the fluid form of the swirling water flow, and the problem that the stability of the impeller is affected due to the fact that the semi-open type cutting impeller converts the water flow from the radial direction to the swirling state is solved.

Description of the drawings:

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of the internal structure of the present utility model;

FIG. 3 is a schematic view of the internal structure of the gearbox of the present utility model; in the accompanying drawings:

1. a fixed bracket; 2. a plug flow impeller; 3. a housing; 4. a housing frame; 5. a spoiler; 6. a first rotating shaft; 7. a gear box bracket; 8. a gear box; 9. cutting the impeller; 10. a cutting disc; 11. a dirt blocking screen; 12. a second rotating shaft; 13. a gear motor housing frame; 14. a speed reducing motor; 15. a pinion gear; 16. a large gear.

The specific embodiment is as follows:

in describing the present utility model, it should be understood that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "rear", "lower left", "upper right", "outer", etc., are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the scope of the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Specific embodiments of the utility model: the submersible water impeller comprises a shell 3, wherein the shell 3 is of a hollow barrel structure with two open ends, an impeller 2 is arranged at the front part of the shell 3, a speed reduction motor 14 for driving the impeller 2 is arranged at the tail end of the shell 3, and a dirt blocking screen 11 is arranged between the speed reduction motor 14 and the shell 3;

as an improvement point of the present utility model: a gear box 8, a cutting impeller 9 and a cutting disc 10 are also arranged in the shell 3;

the impeller 2 is connected with the gear box 8 through the first rotating shaft 6, the gear box 8 is connected with the cutting impeller 9 through the second rotating shaft 12, the outer side of the cutting impeller 9 is provided with the cutting disc 10, the cutting disc 10 is fixed on the inner wall of the shell 3, the second rotating shaft 12 penetrates through the cutting disc 10 and extends to the outer side, the end part is connected with the output shaft of the speed reducing motor 14 through a key,

the gear box 8 is internally meshed with a large gear 16 and a small gear 15, the first rotating shaft 6 is connected with the rotating shaft of the small gear 15 in a key manner, the second rotating shaft 12 is connected with the rotating shaft of the large gear 16 in a key manner, and the gear box 8 is connected with the inner wall of the shell 3 through the gear box bracket 7.

As the preferable scheme of the utility model, the cutting impeller 9 is a semi-open type cutting impeller which is a common structure of a self-priming pump, and can be matched with the cutting disc 10 to realize a better cutting and crushing effect.

As a preferred embodiment of the present utility model, a preset number of spoilers 5 are provided on the inner wall of the housing 3 between the impeller 2 and the gear case 8. Because the semi-open type cutting impeller is of a self-priming pump structure, water flow is converted into a rotational flow state from radial direction, so that the stability of the impeller 2 can be influenced, and in order to well solve the problem, the flow direction of the rotational flow can be changed by the spoiler 5, so that the operation of the impeller 2 is facilitated;

as a preferable scheme of the utility model, the front end of the shell 3 is provided with the fixed bracket 1, and the first rotating shaft 6 is rotationally connected with the fixed bracket 1, so that the stability of the plug-flow impeller 2 is improved;

as a preferable scheme of the utility model, the shell 3 is of a Z-shaped hollow barrel-shaped structure with two open ends, and the structure can enable the plug impeller 2 and the cutting impeller 9 to be positioned at the axle center of the shell 3, so that the problem that the output shafts of the large gear 16 and the small gear 15 which are arranged in the gear box 8 in a meshed manner are not on the same axis is solved, meanwhile, the structure is found through tests, the problem of partial rotational flow water flow can be relieved, and the effect of matching the spoiler 5 is better and more excellent;

as a preferable scheme of the utility model, the top of the shell 3 is provided with a shell frame 4, and the top of the shell of the gear motor 14 is provided with a gear motor shell frame 13 which is mainly used for fixing;

it is to be noted that the utility model relates to a submersible propeller, when in specific work,

1. the submersible flow impeller is fixed by the shell frame 4 and the gear motor shell frame 13, the gear motor 14 is started, the output shaft of the gear motor 14 drives the second rotating shaft 12 and the semi-open type cutting impeller to rotate, at the moment, water flows enter the shell 3 in a rotational flow state under the action of the semi-open type cutting impeller, meanwhile, sundries are crushed under the action of the traction and extrusion by the semi-open type cutting impeller matched with the cutting disc 10, and the principle is similar to that of a cutting impeller of a self-sucking pump;

2. the water flow entering the shell 3 in a swirling flow state can change the swirling flow into a fluid form under the action of the spoiler 5, thereby being more beneficial to the operation of the impeller 2;

3. at this time, the gear box 8 is internally meshed with the large gear 16 and the small gear 15, the large gear 16 and the small gear 15 are both connected with the rotation of the gear box 8 through a rotating shaft, the output shaft of the speed reducing motor 14 drives the rotation of the semi-open type cutting impeller, meanwhile, the small gear 15 is driven to rotate, and the large gear 16 is driven to rotate through a meshing relationship, so that the speed reduction is realized, the working requirements of the impeller 2 are adapted, the problem that the rotation speeds of the impeller 2 and the semi-open type cutting impeller are inconsistent is solved, and the rotation of the semi-open type cutting impeller and the impeller 2 with different rotation speed requirements driven by the same power structure is realized;

3. the turbulent water flow realizes the action of the impeller 2, and as a preferred embodiment of the present utility model, the impeller 2 is preferably in a three-blade sweepback structure.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The submersible water impeller comprises a shell (3), wherein the shell (3) is of a hollow barrel-shaped structure with two open ends, an impeller (2) is arranged at the front part of the shell (3), a speed reducing motor (14) for driving the impeller (2) is arranged at the tail end of the shell (3), and a dirt blocking screen (11) is arranged between the speed reducing motor (14) and the shell (3); the method is characterized in that: a gear box (8), a cutting impeller (9) and a cutting disc (10) are also arranged in the shell (3);

the impeller (2) is connected with a gear box (8) through a first rotating shaft (6), the gear box (8) is connected with a cutting impeller (9) through a second rotating shaft (12), a cutting disc (10) is arranged on the outer side of the cutting impeller (9), the cutting disc (10) is fixed on the inner wall of the shell (3), the second rotating shaft (12) penetrates through the cutting disc (10) and extends to the outer side, the end part of the second rotating shaft is connected with an output shaft of a gear motor (14) through a key,

the gear box (8) is internally meshed with a large gear (16) and a small gear (15), the first rotating shaft (6) is connected with the rotating shaft of the small gear (15) through a key, the second rotating shaft (12) is connected with the rotating shaft of the large gear (16) through a key, and the gear box (8) is connected with the inner wall of the shell (3) through a gear box bracket (7).

2. Submersible propeller according to claim 1, characterized in that the cutting impeller (9) is a semi-open cutting impeller.

3. Submersible power impeller according to claim 1, characterized in that a predetermined number of spoilers (5) are provided on the inner wall of the housing (3) between the impeller (2) and the gearbox (8).

4. Submersible power impeller according to claim 1, characterized in that the front end of the housing (3) is provided with a fixed support (1), the first rotation shaft (6) being in rotational connection with the fixed support (1).

5. Submersible power impeller according to claim 1, characterized in that the housing (3) is of a hollow barrel-type structure of the zigzag type with open ends.

6. Submersible power impeller according to claim 1, characterized in that the top of the housing (3) is provided with a housing frame (4), and the housing top of the gear motor (14) is provided with a gear motor housing frame (13).