CN209925228U

CN209925228U - Horizontal sewage pump

Info

Publication number: CN209925228U
Application number: CN201920791905.3U
Authority: CN
Inventors: 崔久春
Original assignee: Mike Engineering Design (tianjin) Co Ltd
Current assignee: Mike Engineering Design (tianjin) Co Ltd
Priority date: 2019-05-29
Filing date: 2019-05-29
Publication date: 2020-01-10
Anticipated expiration: 2029-05-29

Abstract

The utility model provides a horizontal dredge pump, belong to the sewage treatment technical field of mill, horizontal dredge pump, outer wall motor drive axle head and the coaxial rotation of driving gear, driven gear sets up in the driving gear below, the two meshing is connected, pump body shell and driven gear fixed connection, driven gear passes through outer wall motor drive pump body shell and rotates, pump body shell all sets up the opening near front end and rear end position, the pivot motor sets up in outer wall motor below, the drive axle head passes through the shaft coupling and is connected with the pivot, the pivot mid portion sets up in pump body shell, pivot mid portion outer lane is provided with the integral type impeller, the terminal surface that the pivot was kept away from the one end of pivot motor is equipped with the cylinder groove, the cylinder inslot is equipped with the through-hole, the inlet tube injects the cylinder inslot and communicates with each other with the through-hole and sets up. The utility model discloses novel structure improves impeller and velocity of water flow relatively, prevents the blowdown impurity refluence.

Description

Horizontal sewage pump

Technical Field

The utility model belongs to the technical field of the sewage treatment of mill, a horizontal dredge pump is related to.

Background

The centrifugal pump has various forms such as vertical type, horizontal type, single stage, multistage, single suction, double suction, self suction and the like. Centrifugal pumps operate by causing water to move centrifugally as a result of the rotation of an impeller. Before the water pump is started, a pump shell and a water suction pipe are filled with water, then a motor is started, a pump shaft drives an impeller and the water to rotate at a high speed, the water is thrown to the outer edge of the impeller and flows into a water pressing pipeline of the water pump through a flow channel of a volute pump shell, a sewage discharge outlet and a water discharge outlet of a traditional centrifugal pump are arranged on the same horizontal plane, backflow of sewage and impurities cannot be prevented, the water discharge outlet flows into the water discharge outlet, and the traditional centrifugal pump drives a rotating shaft and the impeller to rotate by virtue of the motor to generate centrifugation.

SUMMERY OF THE UTILITY MODEL

The to-be-solved problem of the utility model is to provide a prevent blowdown impurity refluence, improve the horizontal dredge pump that sewage flows.

In order to solve the technical problem, the utility model discloses a technical scheme is:

a horizontal sewage pump comprises an outer wall motor, a driving gear, a driven gear, a pump body shell, a rotating shaft motor, a rotating shaft and a water inlet pipe, wherein the outer wall motor drives a shaft end to rotate coaxially with the driving gear, the driven gear is arranged below the driving gear and meshed with the driving gear, the pump body shell is fixedly connected with the driven gear, the driven gear drives the pump body shell to rotate through the outer wall motor, openings are formed in the positions, close to the front end and the rear end, of the pump body shell, the rotating shaft motor is arranged below the outer wall motor, the driving shaft end is connected with the rotating shaft through a coupler, the middle part of the rotating shaft is arranged in the pump body shell, an integrated impeller is arranged on the outer ring of the middle part of, the water inlet pipe is arranged between the rotating shaft and the cover plate through the first boss.

Further, the pump body shell comprises an upper shell section and a lower shell section, the upper shell section and the lower shell section are fixedly connected through a flange, the driven gear is sleeved on the outer surface of the upper shell section and fixedly connected with a second boss on the outer surface, the front portion of the lower shell section is of a conical structure, and the rotating shaft penetrates through the upper shell section and the lower shell section.

Further, outer wall motor, pivot motor, pump body shell all set up on the support frame, be equipped with integral type ladder round platform on the support frame, shell upper segment front end passes through the bearing and is connected with ladder round platform rotation.

Furthermore, a plurality of sewage outlets are formed in the outer wall of the upper section of the shell close to the front end, the circle centers of the plurality of sewage outlets are arranged on the same circle of the upper section of the shell, a water outlet is formed in the rear end face of the lower section of the shell, the inner diameter of the joint of the lower section of the shell and the upper section of the shell is different, and the lower section of the shell is smaller than the upper section of the shell.

Furthermore, a sewage draining box is arranged below the upper section of the shell, and a water draining box is arranged below the lower section of the shell.

Furthermore, 4-6 through holes are formed in the rotating shaft, and a gap exists between the outermost surface of the impeller and the inner ratio of the upper section of the shell to the lower section of the shell.

Furthermore, the connecting end of the rotating shaft and the cover plate is provided with a circular groove, the first boss is arranged in the circular groove, the rotating shaft is fixedly connected with the cover plate through a screw, one end face of the first boss is rotatably connected with the circular groove, and the other end face of the first boss is rotatably connected with the cover plate.

Compared with the prior art, the utility model has the advantages and positive effect as follows.

1. The utility model discloses the pivot motor drives the pivot and rotates, and sewage gets into through the inlet tube, utilizes pivot and impeller rotation and makes sewage take place centrifugal motion, and impurity moves and discharges to the drain along pump body inner wall in the sewage, and the outer wall motor passes through driving gear and driven gear and drives pump body shell and rotate, and pump body shell rotates and accelerates sewage velocity.

2. The utility model discloses the shell hypomere is different with the internal diameter of shell upper segment junction, and shell hypomere internal diameter is less than shell upper segment internal diameter, and the outlet setting prevents the interior impurity refluence of sewage at the rear end face of shell hypomere.

3. The utility model discloses the cylinder inslot that inlet tube one end stretched into the pivot terminal surface communicates with each other with the through-hole and sets up, and sewage is internal through inlet tube and through-hole flow direction pump, and first boss setting is between pivot rear end face and apron on the inlet tube outward appearance terminal surface, and the leakproofness is good.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

FIG. 1 is a schematic view of a horizontal dredge pump of the present invention;

fig. 2 is a schematic structural view of the horizontal sewage pump of the present invention.

Description of reference numerals:

1. an outer wall motor; 2. a spindle motor; 3. a bearing; 4. a driving gear; 5. a driven gear; 6. an impeller; 7. an upper section of the housing; 8. a flange; 9. a lower section of the housing; 10. a rotating shaft; 11. a cover plate; 12. a water inlet pipe; 13. a circular groove; 14. a cylindrical groove; 15. a water outlet; 16. a drain tank; 17. a through hole; 18. a sewage draining outlet; 19. a sewage draining tank; 20. a support frame; 21. a pump body housing; 22. a first boss; 23. a second boss.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

As shown in fig. 1 and fig. 2, the horizontal sewage pump comprises an outer wall motor 1, a driving gear 4, a driven gear 5, a pump body shell 21, a rotating shaft motor 2, a rotating shaft 10 and a water inlet pipe 12, wherein the driving shaft end of the outer wall motor 1 and the driving gear 4 rotate coaxially, the driven gear 5 is arranged below the driving gear 4 and is meshed with the driving gear and the driving gear, the pump body shell 21 is fixedly connected with the driven gear 5, the driven gear 5 drives the pump body shell 21 to rotate through the outer wall motor 1, openings are arranged at positions, close to the front end and the rear end, of the pump body shell 21, the rotating shaft motor 2 is arranged below the outer wall motor 1, the driving shaft end is connected with the rotating shaft 10 through a coupler, the middle part of the rotating shaft 10 is arranged in the pump body shell 21, an integral impeller 6 is arranged on the outer ring of the middle part of the, the inlet tube 12 is inserted and is communicated with each other with through-hole 17 in the cylinder groove 14 and set up, inlet tube 12 sets up between pivot 10 and apron 11 through first boss 22, pivot motor 2 drives pivot 10 and rotates, sewage gets into through inlet tube 12, utilize pivot 10 and impeller 6 to rotate and make sewage take place centrifugal motion, impurity moves and discharges to the drain along pump body inner wall in the sewage, outer wall motor 1 drives pump body shell 21 through driving gear 4 and driven gear 5 and rotates, pump body shell 21 rotates and accelerates sewage velocity of flow, improve sewage discharging efficiency.

As shown in fig. 1 and 2, preferably, the pump body housing 21 includes a housing upper section 7 and a housing lower section 9, the housing upper section 7 and the housing lower section 9 are fixedly connected through a flange 8, the driven gear 5 is sleeved on the outer surface of the housing upper section 7 and is fixedly connected with an outer surface second boss 23, the front portion of the housing lower section 9 is of a conical structure, the rotating shaft 10 passes through the housing upper section 7 and the housing lower section 9, the rear end of the rotating shaft 10 is firstly installed and rotated on the housing lower section 9, and the housing upper section 7 is fixed with the housing lower section 9 through the flange 8, which is convenient for installation.

As shown in fig. 1 and 2, preferably, the outer wall motor 1, the rotating shaft motor 2, and the pump body housing 21 are all disposed on a support frame 20, an integral stepped circular truncated cone is disposed on the support frame 20, and the front end of the housing upper section 7 is rotatably connected with the stepped circular truncated cone through a bearing 3, so as to support the outer wall motor, the rotating shaft motor, and the pump body.

As shown in fig. 1 and 2, preferably, a plurality of sewage outlets 18 are arranged on the outer wall of the upper shell section 7 near the front end, the centers of circles of the plurality of sewage outlets 18 are arranged on the same circle of the upper shell section 7, a water outlet 15 is arranged on the rear end surface of the lower shell section 9, the inner diameters of the joints of the lower shell section 9 and the upper shell section 7 are different, the lower shell section 9 is smaller than the upper shell section 7, the inner diameters of the joints of the lower shell section 9 and the upper shell section 7 are different, the inner diameter of the lower shell section 9 is smaller than the inner diameter of the upper shell section 7, and the water outlet 15 is arranged on the rear end surface of the lower.

As shown in fig. 1 and 2, preferably, a sewage draining box 19 is arranged below the upper section 7 of the casing, a water draining box 16 is arranged below the lower section 9 of the casing, the sewage draining box 19 is used for receiving impurities drained from a sewage draining outlet 18, and the water draining outlet 15 is used for receiving water overflowing from the pump body.

As shown in figures 1 and 2, preferably, 4-6 through holes 17 are arranged on the rotating shaft 10, a gap exists between the outermost surface of the impeller 6 and the inner ratio of the upper section 7 of the casing and the lower section 9 of the casing, and impurities in the sewage are thrown to the inner wall of the pump body casing 21 through the rotation of the impeller 6 and flow to the sewage discharge port 18 along the inner wall.

As shown in fig. 1 and 2, preferably, a circular groove 13 is provided at the connection end of the rotating shaft 10 and the cover plate 11, the first boss 22 is disposed in the circular groove 13, the rotating shaft 10 and the cover plate 11 are fixedly connected by screws, one end surface of the first boss 22 is rotatably connected with the circular groove 13, and the other end surface is rotatably connected with the cover plate 11, so as to increase the sealing performance between the water inlet pipe 12 and the rotating shaft 10 as well as the cover plate 11 and avoid water leakage.

As shown in figures 1 and 2, the practical working process is that the outer wall motor 1 drives the shaft end to drive the driving gear 4 to rotate coaxially, the driving gear 4 is in meshing transmission with the driven gear 5 below, the driven gear 5 is sleeved on the outer surface of the upper shell section 7 to drive the upper shell section 7 to rotate, the upper shell section 7 and the lower shell section 9 are fixedly connected through the flange 8, the driving shaft end of the rotating shaft motor 2 is connected with the rotating shaft 10, the middle part of the rotating shaft 10 is arranged in the pump body shell 21, the middle part of the rotating shaft 10 is provided with the integrated impeller 6, the outermost end surface of the impeller 6 has a gap with the inner wall of the pump body shell 21, the front end of the upper shell section 7 is in a conical structure, 4 sewage discharge ports 18 are arranged near the front end, the centers of the 4 sewage discharge ports 18 are on the same circle, the rear end surface of the lower shell section 9 is a water, sewage is through inlet tube 12, in cylinder groove 14 and the 17 flow direction pumps of through-hole, the first boss 22 of inlet tube 12 sets up in 10 rear end face circular slots 13 of pivot, inlet tube 12 rear end face and apron 11 fixed connection, inlet tube 12 both ends face rotates with inlet tube 12 and apron 11 respectively and is connected, the internal diameter of shell hypomere 9 and shell upper segment 7 junction is different, shell hypomere 9 internal diameter is less than shell upper segment 7 internal diameter, outlet 15 sets up the rear end face at shell hypomere 9, prevent impurity refluence in the sewage, drain 18 below is provided with drain box 19, there is drain box 16 outlet 15 below, make things convenient for the water of blow off water impurity and spill over.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Horizontal dredge pump, its characterized in that: comprises an outer wall motor (1), a driving gear (4), a driven gear (5), a pump body shell (21), a rotating shaft motor (2), a rotating shaft (10) and a water inlet pipe (12), wherein the driving shaft end of the outer wall motor (1) is coaxially rotated with the driving gear (4), the driven gear (5) is arranged below the driving gear (4) and is meshed with the driving gear (4), the pump body shell (21) is fixedly connected with the driven gear (5), the driven gear (5) drives the pump body shell (21) to rotate through the outer wall motor (1), the pump body shell (21) is provided with openings close to the front end and the rear end, the rotating shaft motor (2) is arranged below the outer wall motor (1), the driving shaft end is connected with the rotating shaft (10) through a coupler, the middle part of the rotating shaft (10) is arranged in the pump body shell (21), the middle part of the rotating shaft (10) is provided with an impeller (6) in, the end face of one end, far away from the rotating shaft motor (2), of the rotating shaft (10) is provided with a cylindrical groove (14), a through hole (17) is formed in the cylindrical groove (14), the water inlet pipe (12) is inserted into the cylindrical groove (14) and communicated with the through hole (17), and the water inlet pipe (12) is arranged between the rotating shaft (10) and the cover plate (11) through a first boss (22).

2. The horizontal dredge pump of claim 1, characterized in that: the pump body shell (21) comprises a shell upper section (7) and a shell lower section (9), the shell upper section (7) and the shell lower section (9) are fixedly connected through a flange (8), the driven gear (5) is sleeved on the outer surface of the shell upper section (7) and fixedly connected with an outer surface second boss (23), the front portion of the shell lower section (9) is of a conical structure, and the rotating shaft (10) penetrates through the shell upper section (7) and the shell lower section (9).

3. The horizontal type dredge pump of any of claims 1-2, characterized in that: the pump body structure is characterized in that the outer wall motor (1), the rotating shaft motor (2) and the pump body shell (21) are all arranged on the support frame (20), an integrated step round table is arranged on the support frame (20), and the front end of the upper shell section (7) is rotatably connected with the step round table through a bearing (3).

4. The horizontal dredge pump of claim 2, characterized in that: the outer wall department that shell upper segment (7) are close to the front end is provided with a plurality of drain (18), and is a plurality of the centre of a circle of drain (18) sets up on the same circle of shell upper segment (7), shell hypomere (9) rear end face is provided with outlet (15), shell hypomere (9) is different with shell upper segment (7) junction internal diameter, and shell hypomere (9) are less than shell upper segment (7).

5. The horizontal dredge pump of claim 2, characterized in that: a sewage draining tank (19) is arranged below the upper section (7) of the shell, and a drainage tank (16) is arranged below the lower section (9) of the shell.

6. The horizontal dredge pump of claim 1, characterized in that: 4-6 through holes (17) are arranged on the rotating shaft (10), and a gap exists between the outermost surface of the impeller (6) and the inner ratio of the upper section (7) of the shell and the lower section (9) of the shell.

7. The horizontal dredge pump of claim 1, characterized in that: pivot (10) are equipped with circular slot (13) with apron (11) link, first boss (22) set up in circular slot (13), pivot (10) pass through screw fixed connection with apron (11), a boss (22) terminal surface rotates with circular slot (13) to be connected, and another terminal surface rotates with apron (11) to be connected.