CN111706515A - Immersible pump for hydraulic engineering with cutting grinds foreign matter - Google Patents
Immersible pump for hydraulic engineering with cutting grinds foreign matter Download PDFInfo
- Publication number
- CN111706515A CN111706515A CN202010592292.8A CN202010592292A CN111706515A CN 111706515 A CN111706515 A CN 111706515A CN 202010592292 A CN202010592292 A CN 202010592292A CN 111706515 A CN111706515 A CN 111706515A
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- China
- Prior art keywords
- submersible pump
- cutting
- grinding
- shell
- motor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D13/08—Units comprising pumps and their driving means the pump being electrically driven for submerged use
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/007—Details, component parts, or accessories especially adapted for liquid pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/708—Suction grids; Strainers; Dust separation; Cleaning specially for liquid pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D7/00—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts
- F04D7/02—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type
- F04D7/04—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type the fluids being viscous or non-homogenous
- F04D7/045—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type the fluids being viscous or non-homogenous with means for comminuting, mixing stirring or otherwise treating
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a submersible pump with foreign matter cutting and grinding functions for hydraulic engineering, which belongs to the technical field of hydraulic engineering equipment and comprises a submersible pump shell, a motor, a pump shaft, an impeller and a cutting and grinding assembly, wherein the motor is arranged inside the upper end of the submersible pump shell, a motor shaft of the motor is connected with the pump shaft through a coupling, the impeller is arranged on the pump shaft, the impeller is arranged in an annular cavity inside the submersible pump shell, a water outlet is communicated above the annular cavity, and a suction inlet is communicated below the annular cavity; through set up cutting grinding component in pump body bottom, utilize the filter screen to hold back the impurity in the inspiratory water to utilize the fixed cutting tooth of relative rotation and rotate the cutting tooth and smash the impurity cutting of holding back, and by the further abrasive treatment of grinding miller, guarantee that the immersible pump does not take place to block up when using for a long time.
Description
Technical Field
The invention relates to the technical field of hydraulic engineering equipment, in particular to a submersible pump with foreign matter cutting and grinding functions for hydraulic engineering.
Background
The submersible pump is an important device for pumping water from a deep well. When the water pumping unit is used, the whole unit is submerged to work, underground water is extracted to the ground surface, and the water pumping unit is used for domestic water, mine emergency rescue, industrial cooling, farmland irrigation, seawater lifting and ship load regulation, can also be used for fountain landscape, and can also be used for water pumping projects such as rivers, reservoirs, water channels and the like.
At present, when the existing submersible pump works, the widely applied submersible pump is suitable for various industries due to small volume, light weight and convenient movement and installation, but when the submersible pump is used for water lifting operation of hydraulic engineering, the submersible pump is frequently damaged due to the use environment and human factors, the service life is short, loss is caused to users, and normal use is influenced.
The most frequently occurring problem is that large particles or large-volume impurities in the water body are sucked into the submersible pump and wound on an impeller or blocked at a suction inlet, a water outlet and the like, so that the efficiency of the submersible pump is reduced and even the submersible pump is completely blocked, and finally the submersible pump is damaged.
Therefore, it is necessary to provide a submersible pump for hydraulic engineering with cutting and grinding foreign matters, aiming at solving the above problems.
Disclosure of Invention
Aiming at the defects in the prior art, the embodiment of the invention aims to provide a submersible pump for hydraulic engineering with the function of cutting and grinding foreign matters, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a submersible pump with foreign matter cutting and grinding functions for hydraulic engineering comprises a submersible pump shell, a motor, a pump shaft, an impeller and a cutting and grinding assembly, wherein the motor is installed inside the upper end of the submersible pump shell, a motor shaft of the motor is connected with the pump shaft through a coupler, the impeller is installed on the pump shaft and is arranged in an annular cavity inside the submersible pump shell, a water outlet is communicated with the upper part of the annular cavity, a suction inlet is communicated with the lower part of the annular cavity, and the cutting and grinding assembly comprises a lower shell, a fixed cutting disc, a rotary cutting disc, a filter screen and a grinding wheel;
the lower shell is fixed at the bottom of the submersible pump shell, the interior of the lower shell is communicated with a suction inlet at the bottom of the submersible pump shell, the bottom of the shell is fixedly connected with a fixed cutting disc, a plurality of fixed cutting teeth are arranged on the fixed cutting disc, and the fixed cutting teeth are meshed with the rotary cutting teeth on the rotary cutting disc; the filter screen is installed to the internal filter screen that installs of inferior valve, install the grinding miller on the pump shaft in the inferior valve body.
As a further aspect of the present invention, the method is described.
As a further scheme of the invention, the motor is connected with a power cable, the submersible pump shell is also provided with at least three lifting lugs, the lifting lugs are arranged on the side surface of the submersible pump shell at equal intervals in the same circumferential direction, the lifting lugs are connected with a rope for suspension, and a water outlet of the submersible pump shell is connected with a water outlet pipe.
As a further scheme of the invention, a threaded opening is formed in the top of the submersible pump shell, a locking nut is connected to the threaded opening in a threaded mode, the locking nut is sleeved on the upper shell and abuts against a stop block on the upper shell, a waterproof ring is arranged between the upper shell and the submersible pump shell, and the motor is installed in a motor installation groove of the submersible pump shell.
As a further scheme of the invention, the lower shell is fixed at the bottom of the submersible pump shell through bolts.
As a further scheme of the invention, a shaft through hole is formed in the middle of the rotary cutting disc, and the pump shaft extends into the lower shell and penetrates through the shaft through hole in the middle of the rotary cutting disc to be connected with a pump shaft locking nut.
As a further scheme of the invention, the filter screens are arranged on the lower shell at the inner sides of the fixed cutting disk and the rotary cutting disk, and are annularly distributed at the inner sides of the fixed cutting teeth and the rotary cutting teeth.
As a further scheme of the invention, a grinding groove is formed between the grinding wheel and the lower shell, and a spiral diversion groove is also arranged on the side wall of the grinding wheel.
In summary, compared with the prior art, the embodiment of the invention has the following beneficial effects:
according to the submersible pump with the function of cutting and grinding foreign matters for the hydraulic engineering, the cutting and grinding component is arranged at the bottom of the pump body, impurities in sucked water are intercepted by the filter screen, the intercepted impurities are cut and crushed by the fixed cutting teeth and the rotating cutting teeth which rotate relatively, and the submersible pump is further ground by the grinding wheel, so that the submersible pump is guaranteed not to be blocked when being used for a long time.
To more clearly illustrate the structural features and effects of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the invention.
Fig. 2 is a schematic structural diagram of a fixed cutting disk and a rotating cutting disk in the embodiment of the invention.
Fig. 3 is a schematic structural diagram of a threaded port on a submersible pump housing in an embodiment of the invention.
Reference numerals: 1-submersible pump shell, 2-lifting lug, 3-motor, 4-motor mounting groove, 5-upper shell, 6-stop block, 7-locking nut, 8-threaded port, 9-pump shaft, 10-impeller, 11-annular cavity, 12-water outlet, 13-lower shell, 14-bolt, 15-suction port, 16-fixed cutting disc, 17-fixed cutting tooth, 18-rotary cutting disc, 19-rotary cutting tooth, 20-filter screen, 21-grinding wheel and 22-pump shaft locking nut.
Detailed Description
To facilitate an understanding of the present application, the present application will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present application are shown in the drawings. This application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
The technical solution of the present invention is further described with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1 to 3, the submersible pump with foreign matter cutting and grinding functions for hydraulic engineering comprises a submersible pump housing 1, a motor 3, a pump shaft 9, an impeller 10 and a cutting and grinding assembly, wherein the motor 3 is installed inside the upper end of the submersible pump housing 1, a motor shaft of the motor 3 is connected with the pump shaft 9 through a coupling, the impeller 10 is installed on the pump shaft 9, the impeller 10 is arranged in an annular cavity 11 inside the submersible pump housing 1, a water outlet 12 is communicated above the annular cavity 11, and a suction inlet 15 is communicated below the annular cavity 11;
in one embodiment of the invention, the motor 3 is connected with a power cable, and the joint of the power cable and the motor 3 is subjected to waterproof treatment; the submersible pump is characterized in that the submersible pump shell 1 is also provided with a lifting lug 2, the lifting lug 2 suspends and suspends the submersible pump shell 1 in a water body through a rope, after the motor 3 is electrified and started, the motor 3 drives the pump shaft 9 and the impeller 10 to rotate, and when the impeller 10 rotates, a pressure difference is formed in the annular cavity 11, so that water outside the submersible pump shell 1 is conveniently sucked into the annular cavity 11 through the suction inlet 15 and is pumped out from the water outlet 12.
As a preferred embodiment of the present invention, the water outlet 12 is connected to a water outlet pipe, so that water can be directly pumped to the water outlet pipe and discharged.
In order to improve the stability of the submersible pump housing 1 suspended in water, preferably, at least three lifting lugs 2 are arranged on the side surface of the submersible pump housing 1 in the same circumferential direction, the three lifting lugs 2 are distributed at equal intervals, are connected through three ropes and are fixed on three different suspension points, the submersible pump housing 1 is kept to be vertically arranged without being inclined, and the submersible pump housing 1 is convenient to stably mount;
in one embodiment of the present invention, three ropes connecting the side lifting lugs 2 of the submersible pump housing 1 may also be connected to the same main traction rope, the main traction rope is located above the submersible pump housing 1, and the ropes connecting the lifting lugs 2 have the same length, which also ensures that the submersible pump housing 1 is stably installed.
In an embodiment of the present invention, in order to facilitate assembly of the motor 3, preferably, a threaded opening 8 is formed in a top of the submersible pump housing 1, a locking nut 7 is connected to the threaded opening 8 in a threaded manner, the locking nut 7 is sleeved on the upper housing 5 and abuts against the stop 6 on the upper housing 5, a waterproof ring is arranged between the upper housing 5 and the submersible pump housing 1, the motor 3 is installed in the motor installation groove 4 of the submersible pump housing 1, when the assembly is performed, the motor 3 is installed in the motor installation groove 4, after a motor shaft of the motor 3 is connected with the pump shaft 9, the upper housing 5 is connected to the top of the submersible pump housing 1, and the locking nut 7 is screwed and fastened to the threaded opening 8 of the submersible pump housing 1, so as to facilitate assembly and disassembly of the motor 3.
The cutting and grinding assembly comprises a lower shell 13, a fixed cutting disc 16, a rotary cutting disc 18, a filter screen 20 and a grinding wheel 21, wherein the lower shell 13 is fixed at the bottom of the submersible pump shell 1 through a bolt 14, the interior of the lower shell 13 is communicated with a suction inlet 15 at the bottom of the submersible pump shell 1, the bottom of the lower shell 13 is fixedly connected with the fixed cutting disc 16, a plurality of fixed cutting teeth 17 are arranged on the fixed cutting disc 16, and the fixed cutting teeth 17 are meshed and connected with rotary cutting teeth 19 on the rotary cutting disc 18;
in one embodiment of the present invention, a shaft through hole is formed in the middle of the rotary cutting disc 18, the pump shaft 9 extends into the lower housing 13 and penetrates through the shaft through hole in the middle of the rotary cutting disc 18 to connect with a pump shaft locking nut 22, so that the rotary cutting disc 18 is fixed on the pump shaft 9 through the pump shaft locking nut 22, and the rotary cutting disc 18 rotates along with the pump shaft 9;
the lower shell 13 on the inner sides of the fixed cutting disk 16 and the rotating cutting disk 18 is provided with a filter screen 20, the filter screen 20 is annularly distributed on the inner sides of the fixed cutting teeth 17 and the rotating cutting teeth 19, when external water flow is sucked into the lower shell 13 from gaps between the fixed cutting teeth 17 and the rotating cutting teeth 19, the filter screen 20 intercepts impurities in water, and the impurities are cut and crushed by the fixed cutting teeth 17 and the rotating cutting teeth 19 which rotate relatively;
in an embodiment of the present invention, the grinding wheel 21 is installed on the pump shaft 9 in the lower housing 13, a grinding groove with a gradually decreasing gap is formed between the grinding wheel 21 and the lower housing 13, the water flow entering from the filter screen 20 flows into the annular cavity 11 along the grinding groove between the grinding wheel 21 and the lower housing 13, and under the rotation of the grinding wheel 21 and the pump shaft 9, impurities in the water are ground, so that the water entering the annular cavity 11 does not contain large-particle impurities, and the submersible pump is prevented from being blocked.
In a preferred embodiment of the present invention, in order to facilitate the impurities to enter the grinding groove, a spiral diversion groove is further disposed on the side wall of the grinding wheel 21, so as to facilitate the impurities to be screwed into the grinding groove and to be ground.
The submersible pump provided by the invention can conveniently intercept, crush and grind impurities in water entering the submersible pump, and ensures that the submersible pump is not blocked when being used for a long time.
The technical principle of the present invention has been described above with reference to specific embodiments, which are merely preferred embodiments of the present invention. The protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. Other embodiments of the invention will occur to those skilled in the art without the exercise of inventive faculty, and such will fall within the scope of the invention.
Claims (7)
1. A submersible pump with foreign matter cutting and grinding functions for hydraulic engineering comprises a submersible pump shell (1), a motor (3), a pump shaft (9), an impeller (10) and a cutting and grinding assembly, wherein the motor (3) is installed inside the upper end of the submersible pump shell (1), a motor shaft of the motor (3) is connected with the pump shaft (9) through a coupling, the impeller (10) is installed on the pump shaft (9), the impeller (10) is arranged in an annular cavity (11) inside the submersible pump shell (1), a water outlet (12) is communicated above the annular cavity (11), and a suction inlet (15) is communicated below the annular cavity (11), and the submersible pump is characterized in that the cutting and grinding assembly comprises a lower shell (13), a fixed cutting disc (16), a rotary cutting disc (18), a filter screen (20) and a grinding wheel (21);
the lower shell (13) is fixed at the bottom of the submersible pump shell (1), the interior of the lower shell (13) is communicated with a suction inlet (15) at the bottom of the submersible pump shell (1), the bottom of the shell (13) is fixedly connected with a fixed cutting disk (16), a plurality of fixed cutting teeth (17) are arranged on the fixed cutting disk (16), and the fixed cutting teeth (17) are meshed and connected with rotating cutting teeth (19) on a rotating cutting disk (18); install filter screen (20) in lower casing (13), install grinding miller (21) on pump shaft (9) in lower casing (13).
2. The submersible pump with the functions of cutting and grinding foreign matters for the hydraulic engineering according to claim 1, wherein the motor (3) is connected with a power cable, lifting lugs (2) are further arranged on the submersible pump shell (1), the number of the lifting lugs (2) is at least three, the lifting lugs are arranged on the side surface of the submersible pump shell (1) at equal intervals in the same circumferential direction, the lifting lugs (2) are connected with a rope for suspension, and a water outlet pipe is connected with a water outlet (12) of the submersible pump shell (1).
3. The submersible pump with the functions of cutting and grinding foreign matters for the hydraulic engineering according to claim 1, wherein a threaded opening (8) is formed in the top of the submersible pump housing (1), a locking nut (7) is connected to the threaded opening (8) in a threaded manner, the locking nut (7) is sleeved on the upper housing (5) and abuts against a stop block (6) on the upper housing (5), a waterproof ring is arranged between the upper housing (5) and the submersible pump housing (1), and the motor (3) is installed in a motor installation groove (4) of the submersible pump housing (1).
4. The submersible pump for hydraulic engineering with cutting and grinding foreign matters according to any one of claims 1 to 3, wherein the lower housing (13) is fixed at the bottom of the submersible pump housing (1) by bolts (14).
5. The submersible pump for water conservancy engineering with cutting and grinding foreign matters according to claim 4, characterized in that a shaft through hole is formed in the middle of the rotary cutting disc (18), and the pump shaft (9) extends into the lower shell (13) and penetrates through the shaft through hole in the middle of the rotary cutting disc (18) to be connected with the pump shaft locking nut (22).
6. The submersible pump for hydraulic engineering with cutting and grinding foreign matter according to claim 1, characterized in that the screen (20) is mounted on the lower housing (13) inside the fixed cutting disc (16) and the rotating cutting disc (18), the screen (20) being distributed annularly inside the fixed cutting teeth (17) and the rotating cutting teeth (19).
7. The submersible pump with foreign matter cutting and grinding functions for hydraulic engineering according to claim 6, wherein a grinding groove is formed between the grinding wheel (21) and the lower shell (13), and a spiral diversion groove is further formed in the side wall of the grinding wheel (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010592292.8A CN111706515A (en) | 2020-06-24 | 2020-06-24 | Immersible pump for hydraulic engineering with cutting grinds foreign matter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010592292.8A CN111706515A (en) | 2020-06-24 | 2020-06-24 | Immersible pump for hydraulic engineering with cutting grinds foreign matter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111706515A true CN111706515A (en) | 2020-09-25 |
Family
ID=72543003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010592292.8A Withdrawn CN111706515A (en) | 2020-06-24 | 2020-06-24 | Immersible pump for hydraulic engineering with cutting grinds foreign matter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111706515A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112628150A (en) * | 2021-01-14 | 2021-04-09 | 南京义展德贸易有限公司 | Sewage pump with crushing and cutting functions |
-
2020
- 2020-06-24 CN CN202010592292.8A patent/CN111706515A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112628150A (en) * | 2021-01-14 | 2021-04-09 | 南京义展德贸易有限公司 | Sewage pump with crushing and cutting functions |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200925 |