CN110762020A

CN110762020A - Novel anti-blocking sewage pump

Info

Publication number: CN110762020A
Application number: CN201911170192.XA
Authority: CN
Inventors: 丛小青; 袁丹青
Original assignee: Jiangsu Jiangda Fluid Technology Co Ltd
Current assignee: Jiangsu Jiangda Fluid Technology Co Ltd
Priority date: 2019-11-26
Filing date: 2019-11-26
Publication date: 2020-02-07

Abstract

The invention discloses a novel anti-blocking sewage pump, which comprises an outer shell, a crushing unit and a main body unit, wherein the outer shell is provided with a crushing unit; an outer shell: the pump cover and the motor sealing shell are sequentially arranged at the top end of the pump body shell, and are fastened with the pump body shell through bolts and nuts; a crushing unit: a first motor of the crushing unit is fixed inside the sealed cabin of the outer shell; a main body unit: the second motor fixed mounting of main part unit is in the inside of motor seal shell, smashes the crushing sword of unit and smashes the cooperation of sword two, with great rubbish, this neotype anti-blocking sewage pump, not only anti stifled good, the reliability is high moreover, and still area is little, long service life.

Description

Novel anti-blocking sewage pump

Technical Field

The invention relates to the technical field of novel anti-blocking sewage pumps, in particular to a novel anti-blocking sewage pump.

Background

With the development of urban construction, sewage treatment is not slow enough, and a sewage pump belongs to one of centrifugal impurity pumps, is mainly used for conveying media containing solid particles such as fiber, paper scrap and the like in urban sewage, excrement or liquid, and is usually not higher than 80 ℃;

the conveyed medium contains fiber matters which are easy to wind or bunch, so the flow passage of the pump is easy to block, once the pump is blocked, the pump can not work normally, even a motor is burnt, thereby causing unsmooth sewage discharge and bringing serious influence to urban life and environmental protection, therefore, the anti-blocking performance and the reliability are important factors of the quality of the sewage pump;

the existing sewage treatment pump usually adopts a filter screen for filtration, increases a pump body channel, increases the power of a motor, further achieves higher anti-blocking performance and reliability, is troublesome in road-net type cleaning and easy to block, increases the pump body channel, does not fundamentally solve the problem of increasing the power of the motor, is easy to block by garbage such as larger cleaning cloth and the like, and has short service life.

Disclosure of Invention

The invention aims to overcome the defects in the prior art, provides a novel anti-blocking sewage pump, has good anti-blocking performance, high reliability, small occupied area and long service life, and can effectively solve the problems in the background art.

In order to achieve the purpose, the invention provides the following technical scheme: a novel anti-blocking sewage pump comprises an outer shell, a crushing unit and a main body unit;

an outer shell: the pump cover and the motor sealing shell are sequentially arranged at the top end of the pump body shell, and are fastened with the pump body shell through bolts and nuts;

a crushing unit: a first motor of the crushing unit is fixed inside the sealed cabin of the outer shell;

a main body unit: and the second motor of the main body unit is fixedly arranged in the motor sealing shell.

Crushing knife one and crushing knife two cooperation of smashing the unit, with great rubbish, the stronger rubbish of winding nature is smashed the back and is carried the main part unit, has improved this neotype anti-blocking nature of preventing blocking the sewage pump, and the main part unit adopts vertical centrifugal mode to carry sewage, and this kind of centrifugal mode is difficult to the jam because centrifugal effect, and life is longer, has improved this neotype reliability of preventing blocking the sewage pump.

Furthermore, the crushing unit comprises a first crushing cutter, a second straight tooth, a first straight tooth, a speed reduction tooth and a first motor, the middle parts of the end parts of the first straight tooth, the second straight tooth and the speed reduction tooth are rotationally connected with the side surface of the fixed plate in the outer shell through a rotating shaft, the first straight tooth is meshed with the speed reduction tooth, the speed reduction tooth is meshed with the second straight tooth, the end part of a rotating shaft in the middle of the first straight tooth is fixedly connected with an output shaft of the first motor, one end of the first crushing cutter and one end of the second crushing cutter are rotatably connected with the inner side surface of the outer shell, the other ends of the first crushing cutter and the second crushing cutter are respectively fixedly connected with the centers of the end parts of the second straight teeth and the speed reduction teeth, crushing sword one and crushing sword two cooperate and use, the speed that the speed reduction tooth was with motor one slows down, makes the crushing power increase of crushing sword one and crushing sword two, great impurity rubbish can all smash, has improved this neotype anti-blocking nature of preventing blocking dirty pump.

Further, the main part unit contains motor two, pump shaft, spacing collar, impeller, end and takes off piece and impeller nut, the output shaft of motor two and the one end fixed connection of pump shaft, the other end side cover of pump shaft has the spacing collar, the side cover of the below pump shaft of spacing collar has the impeller, the side cover of the below pump shaft of impeller has the end and takes off the piece, the end screw thread department threaded connection of pump shaft has the impeller nut, and the motor two of main part unit is installed inside the motor seal shell, prevents that motor two from intaking inside the during operation.

Further, still include the water conservancy diversion mouth, the water inlet tip at the shell body is fixed to the water conservancy diversion mouth, and the effect of water conservancy diversion mouth mainly plays the effect of water conservancy diversion to sewage.

Further, still include sealed pipe, sealed pipe is fixed in the through-hole of the top surface of motor seal shell, and sealed pipe's effect mainly forms sealedly between the line that enters into motor seal shell to motor seal shell, prevents that plain water from entering into the inside of motor seal shell.

The motor pump further comprises a mechanical sealing ring, the mechanical sealing ring is installed in a through hole in the middle of the pump cover through a screw, the through hole in the middle of the mechanical sealing ring is rotatably connected with the side face of the pump shaft, and the mechanical sealing ring is mainly used for preventing sewage from entering the motor sealing shell along the pump shaft.

Further, the sealing device further comprises a first sealing gasket and a second sealing gasket, wherein the first sealing gasket is arranged between the mechanical sealing ring and the pump cover, the second sealing gasket is provided with two sealing gaskets and respectively arranged between the motor sealing shell and the pump cover and between the pump cover and the pump body shell, and the first sealing gasket and the second sealing gasket mainly play a sealing role.

Furthermore, the impeller anti-skidding device also comprises a fixed key, wherein the fixed key is arranged in a key groove of an inner hole between the side face of the pump shaft and the impeller, and the fixed key is mainly used for preventing the impeller from skidding on the side face of the pump shaft.

Furthermore, the impeller, the limiting ring, the anti-release sheet and the impeller nut are arranged below the mechanical sealing ring, and the impeller, the limiting ring, the anti-release sheet and the impeller nut can only play a role in conveying sewage below the mechanical sealing ring.

Compared with the prior art, the invention has the beneficial effects that: this novel prevent blocking sewage pump has following benefit:

1. according to the novel anti-blocking sewage pump, the provided crushing knife I and the crushing knife II of the crushing unit are matched, so that larger garbage and garbage with stronger winding performance are crushed and then conveyed to the main body unit, and the anti-blocking performance of the novel anti-blocking sewage pump is improved;

2. the novel anti-blocking sewage pump adopts a vertical centrifugal mode to convey sewage through the provided main body unit, and the centrifugal mode is not easy to block due to the centrifugal effect and has longer service life, so that the reliability of the novel anti-blocking sewage pump is improved;

3. the novel anti-blocking sewage pump has the advantages of good anti-blocking performance, high reliability, small occupied area and long service life.

Drawings

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

FIG. 2 is a schematic view of the structure of the pulverizing unit of the present invention;

FIG. 3 is a schematic structural diagram of a main unit according to the present invention.

In the figure: the device comprises a shell body 1, a crushing unit 2, a crushing cutter I21, a crushing cutter II 22, a crushing cutter II 23, a crushing cutter I24, a speed reduction gear 25, a motor I26, a motor I3, a motor II 31, a pump shaft 32, a limiting ring 33, an impeller 34, a disengagement prevention piece 35, an impeller nut 36, a flow guide port 4, a pump body shell 5, a pump cover 6, a motor seal shell 7, a seal guide pipe 8, a mechanical seal ring 9, a seal gasket I10, a seal gasket II 11 and a fixing key 12.

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. 1-3, the present invention provides a technical solution: a novel anti-blocking sewage pump comprises an outer shell 1, a crushing unit 2 and a main body unit 3;

outer housing 1: the device comprises a shell body 1, a fixing plate, a flow guide port 4, a pump cover 6, a motor seal shell 7, a seal conduit 8 and a sealing conduit 8, wherein the shell body is divided into a seal bin and a water inlet by the fixing plate in the shell body 1, the water outlet end of the shell body 1 is communicated with the water inlet end of a pump body shell 5, the pump cover 6 and the motor seal shell 7 are sequentially arranged at the top end of the pump body shell 5, the pump cover 6 and the motor seal shell 7 are fastened with the pump body shell 5 through bolts and nuts, the flow guide port 4 is fixed at the end part of the water inlet of the shell body 1, the flow guide port 4 mainly plays a role of guiding sewage, the sealing conduit 8 is fixed in a through hole in the top surface of the motor seal shell 7, the sealing conduit 8 mainly plays a role of sealing between the motor seal shell;

the crushing unit 2: the first motor 26 of the crushing unit 2 is fixed inside a sealed cabin of the outer shell 1, the crushing unit 2 comprises a first crushing cutter 21, a second crushing cutter 22, a second straight tooth 23, a first straight tooth 24, a speed reduction tooth 25 and a first motor 26, the middle of the end parts of the first straight tooth 24, the second straight tooth 23 and the speed reduction tooth 25 is rotatably connected with the side surface of a fixed plate inside the outer shell 1 through a rotating shaft, the first straight tooth 24 is meshed with the speed reduction tooth 25, the speed reduction tooth 25 is meshed with the second straight tooth 23, the end part of the rotating shaft in the middle of the first straight tooth 24 is fixedly connected with an output shaft of the first motor 26, one ends of the first crushing cutter 21 and the second crushing cutter 22 are rotatably connected with the inner side surface of the outer shell 1, the other ends of the first crushing cutter 21 and the second crushing cutter 22 are fixedly connected with the center of the end parts of the second straight tooth 23 and the speed reduction tooth 25 respectively, the first crushing cutter 21 and the second crushing cutter 22 are matched for use, the speed reduction tooth 25 slows, larger impurity garbage can be crushed, so that the anti-blocking performance of the novel anti-blocking sewage pump is improved;

the main body unit 3: the motor II 31 of the main body unit 3 is fixedly arranged inside the motor sealing shell 7, the main body unit 3 comprises the motor II 31, a pump shaft 32, a limiting ring 33, an impeller 34, a falling-off prevention piece 35 and an impeller nut 36, an output shaft of the motor II 31 is fixedly connected with one end of the pump shaft 32, the limiting ring 33 is sleeved on the side face of the other end of the pump shaft 32, the impeller 34 is sleeved on the side face of the pump shaft 32 below the limiting ring 33, the falling-off prevention piece 35 is sleeved on the side face of the pump shaft 32 below the impeller 34, the impeller nut 36 is connected with the end part of the pump shaft 32 in a threaded manner, the motor II 31 of the main body unit 3 is arranged inside the motor sealing shell 7 to prevent the motor II 31 from entering water during working, the mechanical sealing ring 9 is further included, the mechanical sealing ring 9 is arranged in a through hole in the middle of the pump cover 6 through a screw, the through hole in the middle of the mechanical sealing ring 9 is rotatably connected, still including sealed the first 10 and two 11 of sealed pad, sealed pad 10 sets up between mechanical seal 9 and pump cover 6, sealed pad two 11 is equipped with two, and set up respectively between motor seal shell 7 and pump cover 6 and between pump cover 6 and pump body shell 5, sealed pad 10 and sealed pad two 11 mainly play sealed effect, still include fixed key 12, fixed key 12 is installed in the keyway of the hole in the middle of pump shaft 32 side and impeller 34, the effect of fixed key 12 mainly prevents that impeller 34 from skidding in the side of pump shaft 32, impeller 34, spacing ring 33, only take off piece 35 and impeller nut 36 and set up the below at mechanical seal 9, impeller 34, spacing ring 33, only take off piece 35 and impeller nut 36 can play the effect of carrying sewage in mechanical seal 9's below.

Smash the cooperation of unit 2's crushing sword one 21 and crushing sword two 22, with great rubbish, the stronger rubbish of entwining nature carries main unit 3 after smashing, has improved this novel anti-blocking nature of preventing blocking the sewage pump, and main unit 3 adopts vertical centrifugal mode to carry sewage, and this kind of centrifugal mode is difficult to block up because centrifugal effect, and life is longer, has improved this novel reliability of preventing blocking the sewage pump.

When in use: when the impeller nut 36 is installed, the anti-slip sheet 35 needs to be tilted by a screwdriver, the anti-slip sheet 35 mainly has the function of preventing the impeller nut 36 from loosening, so that the impeller is separated from the pump shaft 32, when each component is installed, the diagonal screw is adopted for preventing installation, the gasket is not easy to be damaged in the mode, the stress is uniform, the sealing performance after installation is good, firstly, sewage enters the water inlet of the outer shell body 1 from the flow guide port, then, the outside is electrified towards the motor I26 in the sealed cabin in the outer shell body 1, the motor I26 rotates, then, the motor I26 drives the straight tooth I24 to rotate, then, the straight tooth I24 drives the speed reduction tooth 25 to rotate, then, the speed reduction tooth 25 drives the straight tooth II 23 to rotate, and then, the crushing knife II 22 and the crushing knife I21 which are fixed at the end parts of the speed reduction tooth 25 and the straight tooth II 23 are matched to rotate, so that larger impurities entering, the rubbish that the winding nature is stronger is smashed, improved this neotype anti-blocking sewage pump's anti-blocking nature, then the external circular telegram for motor two 31, motor two 31 rotates, motor two 31's output shaft drives the pump shaft 32 and rotates, then pump shaft 32 drives impeller 34 and rotates, make the inside kibbling impurity of entering sword pump body shell 5 and sewage be carried the export discharge of pump body shell another side, carry and accomplish, main unit 3 adopts vertical centrifugal mode to carry sewage, this kind of centrifugal mode is difficult to the jam because centrifugal effect, and life is longer, area is little, easy maintenance, improved this neotype anti-blocking sewage pump's reliability, this neotype anti-blocking sewage pump, not only anti-blocking nature is good, and the reliability is high, still area is little, long service life.

It should be noted that in the embodiment, the first motor 26 and the second motor 31 are Y-series three-phase asynchronous motors.

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. The utility model provides a novel prevent blocking sewage pump which characterized in that: comprises an outer shell (1), a crushing unit (2) and a main body unit (3);

outer housing (1): the pump cover is characterized in that the outer shell is divided into a sealed bin and a water inlet by a fixing plate in the outer shell (1), the water outlet end of the outer shell (1) is communicated with the water inlet end of the pump body outer shell (5), the top end of the pump body outer shell (5) is sequentially provided with a pump cover (6) and a motor sealed shell (7), and the pump cover (6) and the motor sealed shell (7) are fastened with the pump body outer shell (5) through bolts and nuts;

pulverization unit (2): a first motor (26) of the crushing unit (2) is fixed inside the sealed bin of the outer shell (1);

main unit (3): and a second motor (31) of the main body unit (3) is fixedly arranged in the motor sealing shell (7).

2. The new anti-clogging sewage pump of claim 1, wherein: the crushing unit (2) comprises a first crushing cutter (21), a second crushing cutter (22), a second straight gear (23), a first straight gear (24), a speed reduction gear (25) and a first motor (26), wherein the middle of the end parts of the first straight gear (24), the second straight gear (23) and the speed reduction gear (25) is rotatably connected with the side surface of a fixing plate inside the outer shell (1) through a rotating shaft, the first straight gear (24) is meshed with the speed reduction gear (25), the speed reduction gear (25) is meshed with the second straight gear (23), the end part of the rotating shaft in the middle of the first straight gear (24) is fixedly connected with an output shaft of the first motor (26), one ends of the first crushing cutter (21) and the second crushing cutter (22) are rotatably connected with the inner side surface of the outer shell (1), and the other ends of the first crushing cutter (21) and the second crushing cutter (22) are fixedly connected with the center of the end parts of the second straight gear (23) and the speed reduction gear (25), the first crushing cutter (21) and the second crushing cutter (22) are matched for use.

3. The new anti-clogging sewage pump of claim 1, wherein: the pump is characterized in that the main body unit (3) comprises a second motor (31), a pump shaft (32), a limiting ring (33), an impeller (34), a stop piece (35) and an impeller nut (36), an output shaft of the second motor (31) is fixedly connected with one end of the pump shaft (32), the limiting ring (33) is sleeved on the side face of the other end of the pump shaft (32), the impeller (34) is sleeved on the side face of the pump shaft (32) below the limiting ring (33), the stop piece (35) is sleeved on the side face of the pump shaft (32) below the impeller (34), and the impeller nut (36) is in threaded connection with the end part of the pump shaft (32).

4. The new anti-clogging sewage pump of claim 1, wherein: the water-saving water pump is characterized by further comprising a flow guide opening (4), wherein the flow guide opening (4) is fixed at the end part of the water inlet of the outer shell (1).

5. The new anti-clogging sewage pump of claim 1, wherein: the motor sealing structure further comprises a sealing guide pipe (8), and the sealing guide pipe (8) is fixed in a through hole in the top surface of the motor sealing shell (7).

6. The new anti-clogging sewage pump of claim 3, wherein: the pump cover is characterized by further comprising a mechanical sealing ring (9), wherein the mechanical sealing ring (9) is installed in a through hole in the middle of the pump cover (6) through a screw, and the through hole in the middle of the mechanical sealing ring (9) is rotatably connected with the side face of the pump shaft (32).

7. The new anti-clogging sewage pump of claim 3, wherein: still including sealed pad (10) and sealed pad two (11), sealed pad one (10) sets up between mechanical seal circle (9) and pump cover (6), sealed pad two (11) is equipped with two, and sets up respectively between motor seal shell (7) and pump cover (6) and between pump cover (6) and pump body shell (5).

8. The new anti-clogging sewage pump of claim 3, wherein: the centrifugal pump also comprises a fixed key (12), wherein the fixed key (12) is arranged in a key groove of an inner hole in the middle of the side face of the pump shaft (32) and the impeller (34).

9. The new anti-clogging sewage pump of claim 3, wherein: the impeller (34), the limiting ring (33), the anti-falling piece (35) and the impeller nut (36) are arranged below the mechanical sealing ring (9).