CN115573918A

CN115573918A - Self-cleaning sewage pump

Info

Publication number: CN115573918A
Application number: CN202211328592.0A
Authority: CN
Inventors: 翟大旺; 刘鑫; 冀鹏; 邓须良
Original assignee: Zhenjiang Port Group Co Ltd
Current assignee: Zhenjiang Port Group Co Ltd
Priority date: 2022-10-27
Filing date: 2022-10-27
Publication date: 2023-01-06

Abstract

The invention discloses a self-cleaning sewage pump which comprises a sewage pump shell, wherein a sewage discharge outlet is formed in the right end of the sewage pump shell, a cleaning device is arranged in the sewage discharge outlet, and the cleaning device comprises a fixed clamping ring, a cleaning rod and a cleaning scraper. This sewage pump of automatically cleaning, through being provided with cleaning device, when the impact force of rivers drives rotatory paddle and rotates, it strikes off to drive the dirty of clean scraper blade on the drain inner wall, realize self-cleaning, be provided with stop device, protect the air pump, the safety is improved, through being provided with adjusting device, can adjust the inner wall clearance of clean scraper blade and drain, make clean scraper blade no longer laminate with the drain inner wall, reduce friction, improve the life of clean scraper blade, it cuts debris and the fibre thing in the sewage to be provided with the cutting wheel, can effectually avoid the sewage pump to be blockked up by the debris in the sewage, improve the life and the blowdown efficiency of sewage pump.

Description

Self-cleaning sewage pump

Technical Field

The invention relates to the technical field of sewage pumps, in particular to a self-cleaning sewage pump.

Background

The sewage pump belongs to one of centrifugal impurity pumps, and has various forms: such as both submersible type and dry type, the most common submersible type is the QW type submersible sewage pump at present, and the most common dry type is the W type horizontal sewage pump and the WL type vertical sewage pump. The device is mainly used for conveying urban sewage, excrement or liquid containing fibers. The temperature of the medium of solid particles such as paper scraps is usually not higher than 80 ℃, and in order to prevent sewage from overflowing the sewage pit, the sewage in the pit needs to be discharged irregularly when the sewage is accumulated to a certain depth.

The current sewage pump is at carrying sewage in-process, because contain the fibre thing of easy winding or bunching in the sewage of quilt conveying, very easily cause the jam, the sewage pump can not carry out normal work in case by the jam messenger pump, even burn out the motor, and carry out long-time blowdown in-process, the drain and the sewage pump casing formula as an organic whole of sewage pump are connected, after the blowdown, the pipe that leads to the drain has dirty in, dirty not clear up for a long time will be hardened and the adhesion on the inner wall of drain, the inner wall sectional area that diminishes that leads to the drain, the sewage disposal efficiency of sewage pump when having reduced follow-up blowdown.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a self-cleaning sewage pump, which solves the problems that conveyed sewage contains fiber matters which are easy to wind or bunch, the blockage is easy to cause, and when a sewage discharge outlet is not cleaned for a long time, internal dirt is firmly adhered to the inner wall of the sewage discharge outlet, so that the sectional area of the inner wall of the sewage discharge outlet is reduced, and the sewage discharge efficiency of the sewage pump is influenced.

(II) technical scheme

In order to realize the purpose, the invention is realized by the following technical scheme: the utility model provides a sewage pump of automatically cleaning, includes sewage pump housing, the water inlet has been seted up to sewage pump housing lower extreme, the drain has been seted up to sewage pump housing right-hand member, the inside cleaning device that is provided with of drain, cleaning device includes:

the outer wall of the fixed clamping ring is fixedly arranged on the inner wall of the sewage draining outlet;

the cleaning rod penetrates through the fixed clamping ring and is rotationally connected with the fixed clamping ring;

the cleaning scraper is connected with the cleaning rod through an adjusting device, and one end of the cleaning scraper, which is far away from the adjusting device, is attached to the inner wall of the sewage draining outlet.

Preferably, the sewage draining outlet is communicated with an exhaust pipe at the upper end, and the exhaust pipe is fixedly connected with an air pump at the upper end.

Preferably, the inside stop device that is provided with of blast pipe, stop device include spacing axle, limiting plate and stopper, spacing axle fixed mounting is on the inner wall of blast pipe, the one end and the limiting plate fixed connection of blast pipe inner wall are kept away from to spacing axle, spacing axle can drive the limiting plate and rotate inside the blast pipe and connect, the right side upper end of limiting plate is provided with the stopper, stopper right-hand member fixed mounting is on the inner wall of blast pipe.

Preferably, the sewage pump housing is fixedly connected with a pump shaft at the upper end through a bolt, and the pump shaft is fixedly connected with a driving motor at the upper end through a bolt assembly.

Preferably, the output end of the driving motor is fixedly connected with the rotating shaft, the lower end of the rotating shaft penetrates through the sewage pump shell and is rotatably connected with the sewage pump shell, the rotating shaft is fixedly connected with an impeller on the outer wall of the inner part of the sewage pump shell, and the lower end of the bottom of the rotating shaft is fixedly provided with a cutting wheel.

Preferably, a filter plate is fixedly arranged at the water inlet of the sewage pump shell.

Preferably, adjusting device includes threaded rod and fixation nut, the upper end and the cleaning blade of threaded rod rotate to be connected, the lower extreme of threaded rod run through the cleaning rod and with cleaning rod threaded connection, fixation nut threaded connection on threaded rod and the outer wall.

Preferably, the left end of the cleaning rod penetrates through the fixed clamping ring, the left end of the fixed clamping ring is provided with a rotating paddle, and the rotating paddle is fixedly installed on the outer wall of the cleaning rod.

Preferably, a plurality of groups of sewage discharging holes are formed in the fixed clamping ring, the sewage discharging holes are fan-shaped, and the plurality of groups of sewage discharging holes are arranged on the fixed clamping ring in a circular array.

(III) advantageous effects

The invention provides a self-cleaning sewage pump. The method has the following beneficial effects:

(1) This sewage pump of automatically cleaning, through being provided with cleaning device, when driving motor drives the axis of rotation and rotates, make the impeller rotate, under the effect of impeller, sewage inhales the pump body and gets rid of through the drain, when sewage is through the left rotating paddle of clean pole, the impact force of rivers drives rotating paddle and rotates, thereby make clean pole rotate on the retainer plate, it strikes off to drive the dirty dirt of clean scraper blade on to the drain inner wall, prevent that dirty hard adhesion from influencing sewage pump's blowdown efficiency on the inner wall of drain, realize self-cleaning.

(2) This sewage pump of automatically cleaning, there is the blast pipe through the top intercommunication at the drain, the blast pipe communicates with the air pump each other, after the blowdown to sewage, inflate the blast pipe inside through the air pump, make gaseous through the drain, wash out the dirty dirt in inside, keep the cleanness of drain inner wall, be provided with stop device at the blast pipe inner wall simultaneously, through spacing axle and limiting plate fixed connection, make the limiting plate can be at the blast pipe internal rotation, block up the blast pipe, prevent that sewage from being at the emission in-process, enter into inside the air pump through the blast pipe, lead to the air to damage, the security is improved.

(3) This sewage pump of automatically cleaning through being provided with adjusting device, when need not use clean scraper blade to clean the inner wall of drain, rotates the screw, and the threaded rod is connected for rotating with clean scraper blade, when rotating through the threaded rod to on the clean pole, can adjust the inner wall clearance of clean scraper blade and drain, makes clean scraper blade no longer laminate with the drain inner wall mutually, reduces the friction, improves the life of clean scraper blade.

(4) This sewage pump of automatically cleaning, there is the filter at water inlet department fixed mounting, filters comparatively hard large-scale object to existence in the sewage, prevents to cause inside card shell phenomenon, influences sewage pump's normal use, cuts debris and the fibre thing in the sewage through the cutting wheel, and rotatory paddle also has certain sharp-edged nature simultaneously, can effectually avoid sewage pump to be blockked up by the debris in the sewage, improves sewage pump's life and blowdown efficiency.

Drawings

FIG. 1 is a schematic perspective view of an integrated device according to the present invention;

FIG. 2 is a schematic front sectional structural view of the present invention;

FIG. 3 is a schematic perspective view of the cleaning device of the present invention;

FIG. 4 is an enlarged schematic view of the portion A in FIG. 2 according to the present invention.

In the figure: 1. a sewage pump housing; 101. a water inlet; 102. a sewage draining port; 2. a cleaning device; 201. fixing the snap ring; 2011. a sewage draining hole; 202. a cleaning rod; 203. a cleaning blade; 3. an adjustment device; 301. a threaded rod; 302. fixing a nut; 4. an air pump; 401. an exhaust pipe; 5. a limiting device; 501. a limiting shaft; 502. a limiting plate; 503. a limiting block; 6. a pump shaft; 7. a drive motor; 8. a rotating shaft; 9. an impeller; 10. a cutting wheel; 11. a filter plate; 12. the paddle is rotated.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a sewage pump of automatically cleaning, including sewage pump casing 1, water inlet 101 has been seted up to 1 lower extreme of sewage pump casing, sewage outlet 102 has been seted up to 1 right-hand member of sewage pump casing, the inside cleaning device 2 that is provided with of sewage outlet 102, cleaning device 2 includes fixed snap ring 201, the outer wall fixed mounting of fixed snap ring 201 is on the inner wall of sewage outlet 102, the middle part of fixed snap ring 201 runs through there is clean pole 202, clean pole 202 rotates with fixed snap ring 201 to be connected, clean pole 202 is connected with clean scraper blade 203 through adjusting device 3, the one end that adjusting device 3 was kept away from to clean scraper blade 203 is laminated with the inner wall of sewage outlet 102 each other.

Specifically, the cleaning device 2 according to the technical scheme of the invention comprises a fixed clamping ring 201, a cleaning rod 202 and a cleaning scraper blade 203, wherein the fixed clamping ring 201 supports the cleaning rod 202, and the cleaning scraper blade 203 is triangular and made of metal, is hard in material and can better scrape off dirt adhered to the sewage outlet 102.

In an embodiment of the present invention, a torsion spring is fixedly installed inside the limiting shaft 501, one end of the torsion spring penetrates through the limiting shaft 501 and is fixedly connected to the limiting plate 502, the limiting plate 502 automatically blocks the exhaust pipe 401 through elastic potential energy of the torsion spring, so that sewage is prevented from entering the air pump 4 through the exhaust pipe 401 and damaging the air pump 4, and in addition, the exhaust pipe 401 is rectangular, so that the limiting plate 502 can normally rotate inside the exhaust pipe 401.

In this embodiment, the exhaust pipe 401 of the sewage outlet 102 is communicated with the exhaust pipe 401 at the upper end, the exhaust pipe 401 is fixedly connected with the air pump 4 at the upper end, the air pump 4 is connected with the driving motor 7 through a fixed clamping plate, the limiting device 5 is arranged inside the exhaust pipe 401, the limiting device 5 comprises a limiting shaft 501, a limiting plate 502 and a limiting block 503, the limiting shaft 501 is fixedly arranged on the inner wall of the exhaust pipe 401, one end of the limiting shaft 501, which is far away from the inner wall of the exhaust pipe 401, is fixedly connected with the limiting plate 502, the limiting shaft 501 can drive the limiting plate 502 to rotate inside the exhaust pipe 401, the limiting block 503 is arranged at the upper end of the right side of the limiting plate 502, the right end of the limiting block 503 is fixedly arranged on the inner wall of the exhaust pipe 401, the sewage pump housing 1 is fixedly connected with the pump shaft 6 at the upper end through a bolt, the pump shaft 6 is fixedly connected with the driving motor 7 at the upper end through a bolt assembly, and the output end of the driving motor 7 is fixedly connected with the rotating shaft 8, the lower end of a rotating shaft 8 penetrates through the sewage pump shell 1 and is rotationally connected with the sewage pump shell 1, the rotating shaft 8 is fixedly connected with an impeller 9 on the outer wall in the sewage pump shell 1, the lower end of the bottom of the rotating shaft 8 is fixedly provided with a cutting wheel 10, a filter plate 11 is fixedly arranged at the water inlet 101 of the sewage pump shell 1, an adjusting device 3 comprises a threaded rod 301 and a fixing nut 302, the upper end of the threaded rod 301 is rotationally connected with a cleaning scraper 203, the lower end of the threaded rod 301 penetrates through a cleaning rod 202 and is in threaded connection with the cleaning rod 202, the threaded rod 301 is in threaded connection with the fixing nut 302 on the outer wall, the left end of the cleaning rod 202 penetrates through a fixing snap ring 201, the left end of the fixing snap ring 201 is provided with a rotating paddle 12, the rotating paddle 12 is fixedly arranged on the outer wall of the cleaning rod 202, the fixing snap ring 201 is provided with a plurality of groups of sewage discharging holes 2011 which are in a fan shape, the multiple groups of sewage draining holes 2011 are arranged on the fixing clasp 201 in a circular ring array.

In order to prevent driving motor 7 when rotating, it flows into drain 102 from water inlet 101 to drive sewage through impeller 9, sewage has certain impact force, make sewage enter into air pump 4 through blast pipe 401 that drain 102 top is linked together, cause the damage to air pump 4, be provided with stop device 5 in the inside of blast pipe 401, block up blast pipe 401 through limiting plate 502, make sewage can not flow into in air pump 4, simultaneously when air pump 4 during operation, the inside gaseous impact force of blast pipe 401 can directly be opened limiting plate 502, wash out the dirty inside drain 102, guarantee the cleanliness factor of drain 102 inner wall.

In order to prevent when using the sewage pump to carry out the during operation, lead to water inlet 101 to have got into large-scale hard object and lead to inside card shell phenomenon to appear, influence the normal use of sewage pump, there is filter 11 through fixed mounting 101 department at water inlet, impurity to in the sewage carries out the prefiltering, when driving motor 7 drives axis of rotation 8 and rotates, make axis of rotation 8 drive impeller 9 on the outer wall and cutting wheel 10 of lower extreme rotate, impurity to in the sewage cuts, the impact force of sewage drives rotatory paddle 12 and rotates simultaneously, rotatory paddle 12 also has certain cutting edge nature, cut once more, can effectually avoid the sewage pump to be blockked up by the impurity in the sewage, improve the efficiency of blowdown and the life of sewage pump.

In the embodiment of the invention, in order to facilitate the use of the cleaning scraper 203, the cleaning scraper 203 is rotatably connected with the threaded rod 301, when the cleaning scraper 203 is not required to scrape off dirt on the inner wall of the sewage outlet 102, the fixing nut 302 is rotated from the threaded rod 301, and the threaded rod 301 is rotated from the cleaning rod 202, so that the cleaning scraper 203 does not limit the rotation of the threaded rod 301, the gap between the cleaning scraper 203 and the inner wall of the sewage outlet 102 is conveniently adjusted, the cleaning scraper 203 is not attached to the inner wall of the sewage outlet 102, the friction is reduced, and the service life of the cleaning scraper 203 is prolonged.

When the sewage pump works (or is used), when sewage needs to be extracted, after a hose is connected to the sewage outlet 102, the sewage pump is placed in a sewage pool, the driving motor 7 is started, the driving motor 7 drives the rotating shaft 8 to rotate, the impeller 9 and the cutting wheel 10 on the outer wall of the rotating shaft 8 rotate, when the impeller 9 rotates, pressure difference is generated in the sewage pump shell 1, the sewage flows to the sewage outlet 102 through the water inlet 101 to be extracted, the filtering plate 11 is arranged at the water inlet 101, large hard materials in the sewage can be filtered, internal jamming is prevented, when the cutting wheel 10 rotates, fine impurities and fibers in the sewage are cut, the internal blockage of the sewage pump is prevented, and the use is influenced;

when sewage flows into the sewage outlet 102, the sewage has certain impact force, the rotating paddle 12 is driven to rotate, the rotating paddle 12 rotates, the cleaning rod 202 is driven to rotate, the cleaning scraper 203 arranged on the cleaning rod 202 is made to rotate, the cleaning scraper 203 is attached to the inner wall of the sewage outlet 102, dirt adhered to the inner wall of the sewage outlet 102 is scraped, the dirt is prevented from being adhered to the outer wall, the sewage discharge efficiency of the sewage pump is influenced, when the sewage enters the sewage outlet 102, the sewage outlet 102 is communicated with the exhaust pipe 401, the sewage can also flow upwards, the limiting plate 502 blocks the sewage in the exhaust pipe 401, the air pump 4 is protected, after the sewage discharge is finished, gas is generated in the exhaust pipe 401 and flows into the sewage outlet 102 through the exhaust pipe 401, the dirt in the sewage outlet 102 is flushed out, the inner wall of the sewage outlet 102 is kept clean, and after the air pump 4 is closed, the device can be taken out.

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 sewage pump of self-cleaning, comprising a sewage pump housing (1), characterized in that: the water inlet (101) has been seted up to sewage pump casing (1) lower extreme, sewage pump casing (1) right-hand member has been seted up drain (102), inside cleaning device (2) that are provided with of drain (102), cleaning device (2) include:

the outer wall of the fixed clamping ring (201) is fixedly arranged on the inner wall of the sewage draining outlet (102);

the cleaning rod (202) penetrates through the fixed clamping ring (201) and is rotatably connected with the fixed clamping ring (201);

cleaning blade (203), cleaning blade (203) are connected with cleaning rod (202) through adjusting device (3), the one end that adjusting device (3) were kept away from in cleaning blade (203) is laminated with the inner wall of drain (102) each other.

2. A self-cleaning sewage pump of claim 1 further comprising: the sewage draining outlet (102) is communicated with an exhaust pipe (401) at the upper end, and the exhaust pipe (401) is fixedly connected with an air pump (4) at the upper end.

3. A self-cleaning sewage pump of claim 1 further comprising: blast pipe (401) is inside to be provided with stop device (5), and stop device (5) are including spacing axle (501), limiting plate (502) and limiting block (503), spacing axle (501) fixed mounting is on the inner wall of blast pipe (401), the one end and limiting plate (502) fixed connection of blast pipe (401) inner wall are kept away from in spacing axle (501), spacing axle (501) can drive limiting plate (502) and connect in blast pipe (401) internal rotation, the right side upper end of limiting plate (502) is provided with limiting block (503), limiting block (503) right-hand member fixed mounting is on the inner wall of blast pipe (401).

4. A self-cleaning sewage pump of claim 1 further comprising: the sewage pump is characterized in that the sewage pump shell (1) is fixedly connected with a pump shaft (6) at the upper end through a bolt, and the pump shaft (6) is fixedly connected with a driving motor (7) at the upper end through a bolt assembly.

5. A self-cleaning sewage pump of claim 4 further comprising: the sewage pump is characterized in that the output end of the driving motor (7) is fixedly connected with the rotating shaft (8), the lower end of the rotating shaft (8) penetrates through the sewage pump shell (1) and is rotatably connected with the sewage pump shell (1), the rotating shaft (8) is fixedly connected with an impeller (9) on the outer wall inside the sewage pump shell (1), and the lower end of the bottom of the rotating shaft (8) is fixedly provided with a cutting wheel (10).

6. A self-cleaning sewage pump of claim 1 further comprising: a filter plate (11) is fixedly arranged at a water inlet (101) of the sewage pump shell (1).

7. A self-cleaning sewage pump of claim 1 further comprising: adjusting device (3) are including threaded rod (301) and fixation nut (302), the upper end and the cleaning scraper blade (203) of threaded rod (301) are rotated and are connected, the lower extreme of threaded rod (301) run through cleaning rod (202) and with cleaning rod (202) threaded connection, fixation nut (302) threaded connection on threaded rod (301) and the outer wall.

8. A self-cleaning sewage pump of claim 1 further comprising: the left end of clean pole (202) runs through fixed snap ring (201), the left end of fixed snap ring (201) is provided with rotating blade (12), rotating blade (12) fixed mounting is on the outer wall of clean pole (202).

9. A self-cleaning sewage pump of claim 1 further comprising: the fixed snap ring (201) is provided with a plurality of groups of sewage discharging holes (2011), the sewage discharging holes (2011) are fan-shaped, and the plurality of groups of the sewage discharging holes (2011) are arranged on the fixed snap ring (201) in a circular array manner.