CN105508262B - A kind of multistage cutting grinds dredge pump - Google Patents
A kind of multistage cutting grinds dredge pump Download PDFInfo
- Publication number
- CN105508262B CN105508262B CN201610036433.1A CN201610036433A CN105508262B CN 105508262 B CN105508262 B CN 105508262B CN 201610036433 A CN201610036433 A CN 201610036433A CN 105508262 B CN105508262 B CN 105508262B
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- CN
- China
- Prior art keywords
- pump
- cutting
- blade
- grinds
- blade holder
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- 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
-
- 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
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/669—Combating cavitation, whirls, noise, vibration or the like; Balancing 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
- 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 present invention relates to a kind of multistage cutting to grind dredge pump, and it includes pump body（1）And it is arranged on pump body（1）The pump case of downside（2）, described pump body（1）Upper axial direction is fixed with pump shaft（3）, described pump shaft（3）Lower end stretches out in pump body（1）And pump shaft（3）Lower end is fixed with impeller（4）, described pump case（2）Lower end is fixed with blade holder（6）, described blade holder（6）On be provided with cutting blade A（7）, and blade holder（6）On be also equipped with cutting blade B（8）, described blade holder（6）Lower end be provided with water inlet end（9）, water inlet end（9）Place is provided with cutting grind dish（10）, described cutting grind dish（10）Outside be additionally provided with cutting blade C（12）.The dredge pump of the present invention is reasonable in design, novel, has multistage cutting function, can effectively improve the service life of dredge pump.
Description
Technical field
The present invention relates to water pump technology, particularly a kind of multistage cutting grinds dredge pump.
Background technology
Dredge pump has the spy that can convey the liquid containing rigid solid, fibre object and the material such as dirty, viscous, sliding because of it
Point, and it is widely used in mine, papermaking, printing and dyeing, environmental protection, oil refining, oil, chemical industry, farm, dyeization, wine brewing, food, change
Fertilizer, coking are selected in the sewage disposals of numerous industries such as factory, building, marble factory, mud, drift sand, mire, the dirty pool.Existing row
Dirty pump, debris is generally cut and grinds by way of in entrance point setting cutter device or by blade circumgyration incision,
But only single-stage cutting function, cutting effect are poor mostly.When in the wastewater media of conveying contain more impurity, mud, polybag,
During the impurity such as long fibre, blade or main shaft are easy to be wound, cause motor stall, burn or pipeline and pump it is stifled
Plug, have a strong impact on the normal work and use life-span of dredge pump.
The content of the invention
A kind of the shortcomings that it is an object of the invention to overcome prior art, there is provided blowdown that there is multistage cutting to grind function
Pump, the dredge pump is reasonable in design, to debris good cutting effect, can effectively improve the service life of dredge pump.
The purpose of the present invention is achieved through the following technical solutions：A kind of multistage cutting grinds dredge pump, and it includes pump sheet
Body and the pump case being arranged on the downside of pump body, pump shaft is axially fixed with described pump body, and described pump shaft lower end is stretched out
Impeller is fixed with described pump body and described pump shaft lower end, described impeller is located in the cavity of described pump case, institute
Water side is provided with the pump case stated, described pump case lower end is fixed with blade holder, the connection of pump case and blade holder
Place is provided with sealing device, and cutting blade A is provided with described blade holder, is also equipped with described blade holder
Cutting blade B, the lower end of described blade holder are provided with water inlet end, cutting grind dish are provided with described water inlet end,
Water passage is provided with described cutting grind dish, cutting blade C is additionally provided with the outside of described cutting grind dish, it is described
Cutting blade C be arranged on the lower end of described pump shaft.Impeller, cutting blade A, cutting blade B, cutting blade C are using height
High-abrasive material is made, improve its shear grinding property while can the extended period its service life.
Preferably, grease chamber is additionally provided between described pump body and pump case, the side of grease chamber is provided with oil inlet, described
The upper and lower side of grease chamber be fixedly connected respectively with pump body and pump case, described grease chamber is also arranged on pump shaft by bearing, and
Grease chamber at the cooperation of pump body, pump case and pump shaft with being provided with sealing device.It is preferable that the setting of grease chamber make it that pump shaft has
Lubricant effect, make the rotation of pump shaft more smooth.
Preferably, described blade holder lower end is also fixed with base, and described cutting grind dish are fixed on base.
Preferably, described water passage is the bar hole of involute in form.
Preferably, the lower end of described pump shaft is additionally provided with axle sleeve, and described cutting blade C is arranged on the lower end of axle sleeve.
Preferably, described impeller is arranged on pump shaft by key connection.
Preferably, described cutting blade A is involute in form.Involute in form can effectively strengthen blade cutting effect.
Preferably, the edge of described cutting grind dish is set jagged.Breach can the debris such as reinforcing fiber discharge energy
Power, avoid the generation of swaging clamp phenomenon；Meanwhile grind dish are cut with cutting blade C generations during relative cutting, breach, which can also play, to be subtracted
The effect of few cutting blade C abrasions.
Preferably, the edge of described water passage is provided with dentation cutting knife.Dentation cutting knife can be used for enhancing cutting mill
The cutting power of broken disk.
The present invention has advantages below：
1st, dredge pump of the invention is reasonable in design, novel, sets multiple cutting blade, good cutting effect, can be effective
Improve the operating efficiency and service life of dredge pump：During specific works, sewage and debris are after water inlet end entrance, first, cutting
With cutting grind dish relative shear occurs blade C for rotation at a high speed, and one-level cutting is carried out to debris and is ground；Then, water and debris enter
Enter in pump case, with cutting blade B relative shear occurs for impeller, to the further shearing such as remnants fiber debris；Meanwhile impeller with
The cutting blade A of involute in form in blade holder can also be sheared, and remnants fiber debris etc. can be carried out again
Shearing；More than triple shear constitutions cooperate, the cutting grinding property of dredge pump can be effectively improved, prevent debris winding with
And the phenomenon that the pump housing blocks occurs, and improves dredge pump operating efficiency and service life.
2nd, the water passage for cutting grind dish is arranged to the bar hole of involute in form, can effectively less resistance, be advantageous to dirt
Water and debris smoothly enter in pump case, reduce the live load of pump；And the edge of water passage is additionally provided with dentation cutting knife, energy
The effectively cutting power of enhancing cutting grind dish, improve cutting and grind quality.
3rd, cut grind dish edge and be provided with the breach that ability is discharged for debris such as reinforcing fibers, can effectively prevent card
The generation of knife phenomenon, and cutting blade C abrasion is reduced, ensure that equipment is safe and reliable to operation, that improves cutting blade C uses the longevity
Life.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is that the master of blade holder in the present invention cuts open structural representation；
Fig. 3 is the overlooking the structure diagram of blade holder in the present invention；
The master that Fig. 4 is cutting blade B in the present invention cuts open structural representation；
Fig. 5 is the overlooking the structure diagram of cutting blade B in the present invention；
Fig. 6 is the B-B direction cross section structure diagram of cutting blade B in the present invention；
Fig. 7 is that grind dish and cutting blade C structural representation are cut in the present invention；
In figure：1- pump bodies, 2- pump cases, 3- pump shafts, 4- impellers, 5- water sides, 6- blade holders, 7- cutting blade A,
8- cutting blades B, 9- water inlet end, 10- cutting grind dish, 11- water passages, 12- cutting blades C, 13- grease chamber, 14- bearings,
15- bases, 16- axle sleeves, 17- breach, 18- dentation cutting knifes.
Embodiment
The present invention will be further described below in conjunction with the accompanying drawings, but protection scope of the present invention is not limited to following institute
State.
As shown in figure 1, a kind of multistage cutting grinds dredge pump, it includes pump body 1 and is arranged on the downside of pump body 1
Pump case 2, is axially fixed with pump shaft 3 on described pump body 1, and the described lower end of pump shaft 3 stretches out in described pump body 1 and described
The lower end of pump shaft 3 be fixed with impeller 4, herein, the type of attachment of impeller 4 and pump shaft 3 is key connection, and described impeller 4 is located at institute
In the cavity for the pump case 2 stated, the side of described pump case 2 is provided with water side 5.
The lower end of described pump case 2 is fixed with blade holder 6, passes through sunk screw between blade holder 6 and pump case 2
It is fixedly connected, pump case 2 and the junction of blade holder 6 are provided with sealing device.It is provided with and cuts in described blade holder 6
Cutting blade A7, cutting blade A7 are involute in form, and blade holder 6 and cutting blade A7 structure are as shown in Figures 2 and 3.
Cutting blade B8 is also equipped with described blade holder 6, cutting blade B8 is arranged on blade holder 6 by sunk screw
On, cutting blade B8 structure is as shown in Fig. 4 ~ Fig. 6.
The lower end of described blade holder 6 is provided with water inlet end 9, and cutting grind dish 10 are provided with water inlet end 9, described
The lower end of blade holder 6 base 15 is also fixed with by the form of clamping, and cut grind dish 10 and fixed by sunk screw
On base 15, cut and water passage 11 is provided with grind dish 10, water passage 11 is arranged to effective less resistance gradually
The bar hole for the form that bursts at the seams, and the dentation cutting knife 18 of enhancing cutting power, the number of dentation cutting knife 18 are provided with the edge in bar hole
It can be arranged as required to as one or more.The outside of described cutting grind dish 10 is additionally provided with cutting blade C12, described
The lower end of pump shaft 3 is additionally provided with axle sleeve 16, and cutting blade C12 is arranged on the lower end of axle sleeve 16 by bolt.In addition, cutting is ground
The edge of disk 10 is additionally provided with for the debris such as reinforcing fiber discharge ability, prevents swaging clamp phenomenon from occurring, reduction cutting blade
The arc notch 17 of C12 abrasions, three arc notch 17 are evenly distributed on the edge of cutting grind dish 10.Cut the He of grind dish 10
Cutting blade C structure is as shown in Figure 7.
Grease chamber 13 is additionally provided between described pump body 1 and pump case 2, the upper and lower side of described grease chamber 13 passes through spiral shell respectively
Bolt is fixedly connected with pump body 1 and pump case 2, and described grease chamber 13 is also arranged on pump shaft 3 by bearing 14.The side of grease chamber 13
Oil inlet is provided with, grease chamber 13 at the cooperation of pump body 1, pump case 2 and pump shaft 3 with being provided with sealing device.
The course of work of the present invention is as follows：Pump shaft 3 rotates under motor driven, and the impeller 4 of pump shaft 3 rotates, by sewage and
Debris sucks at water inlet end 9, and first, with cutting grind dish 10 relative shear occurs for the cutting blade C12 of rotation at a high speed, to miscellaneous
Thing carries out one-level cutting and ground；Then, water and debris enter in pump case 2, and relative shear occurs for impeller 4 and cutting blade B8, right
The further shearing such as remaining fiber debris；Meanwhile the cutting blade A7 of impeller 4 and the involute in form in blade holder 6
Also it can shear, remnants fiber debris etc. can be sheared again；Finally, the water after multistage shear and debris by
Discharge water side 5.Above-mentioned triple shear constitutions cooperate in the present invention, and the cutting that can effectively improve dredge pump grinds energy
Power, prevent the phenomenon that debris is wound and the pump housing blocks from occurring, improve dredge pump operating efficiency and service life.
Claims (7)
1. a kind of multistage cutting grinds dredge pump, it includes pump body（1）And it is arranged on pump body（1）The pump case of downside（2）,
Described pump body（1）Upper axial direction is fixed with pump shaft（3）, described pump shaft（3）Lower end stretches out in described pump body（1）And institute
The pump shaft stated（3）Lower end is fixed with impeller（4）, described impeller（4）Positioned at described pump case（2）Cavity in, described pump
Shell（2）On be provided with water side（5）, it is characterised in that：Described pump case（2）Lower end is fixed with blade holder（6）, it is described
Blade holder（6）On be provided with cutting blade A（7）, cutting blade A（7）Blade holder is arranged at involute in form（6）
Top surface, cutting blade A（7）With impeller（4）Lower axial end face coordinate, blade holder（6）Top be installed with
Cutting blade B（8）, cutting blade B（8）With impeller（4）Radial inner end face coordinates, described blade holder（6）Lower end set
It is equipped with water inlet end（9）, described water inlet end（9）Place is provided with cutting grind dish（10）, described cutting grind dish（10）On set
It is equipped with water passage（11）, described cutting grind dish（10）Outside be additionally provided with cutting blade C（12）, described pump shaft
（3）Lower end be additionally provided with axle sleeve（16）, described cutting blade C（12）Installed in axle sleeve（16）Lower end.
2. a kind of multistage cutting according to claim 1 grinds dredge pump, it is characterised in that：Described pump body（1）With
Pump case（2）Between be additionally provided with grease chamber（13）, described grease chamber（13）Upper and lower side respectively with pump body（1）And pump case（2）Gu
Fixed connection, described grease chamber（13）Also pass through bearing（14）Installed in pump shaft（3）On.
3. a kind of multistage cutting according to claim 1 grinds dredge pump, it is characterised in that：Described blade holder
（6）Lower end is also fixed with base（15）, described cutting grind dish（10）It is fixed on base（15）On.
4. a kind of multistage cutting according to claim 1 grinds dredge pump, it is characterised in that：Described water passage（11）
For the bar hole of involute in form.
5. a kind of multistage cutting according to claim 1 grinds dredge pump, it is characterised in that：Described impeller（4）Pass through
Key connection is arranged on pump shaft（3）On.
6. a kind of multistage cutting according to claim 1 grinds dredge pump, it is characterised in that：Described cutting grind dish
（10）Edge set it is jagged（17）.
7. a kind of multistage cutting according to claim 1 grinds dredge pump, it is characterised in that：Described water passage（11）
Edge be provided with dentation cutting knife（18）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610036433.1A CN105508262B (en) | 2016-01-20 | 2016-01-20 | A kind of multistage cutting grinds dredge pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610036433.1A CN105508262B (en) | 2016-01-20 | 2016-01-20 | A kind of multistage cutting grinds dredge pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105508262A CN105508262A (en) | 2016-04-20 |
| CN105508262B true CN105508262B (en) | 2017-12-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610036433.1A Active CN105508262B (en) | 2016-01-20 | 2016-01-20 | A kind of multistage cutting grinds dredge pump |
Country Status (1)
| Country | Link |
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| CN (1) | CN105508262B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106438388A (en) * | 2016-11-23 | 2017-02-22 | 文成县简创科技有限公司 | Anti-blocking sewage pump |
| CN107322291A (en) * | 2017-07-27 | 2017-11-07 | 苏州杰纳机器人科技有限公司 | A kind of automatic assembly of oil pump casing |
| KR102287743B1 (en) * | 2021-01-14 | 2021-08-06 | 백선주 | Underwater pump |
| CN112855556A (en) * | 2021-02-08 | 2021-05-28 | 杭州正昇安全科技有限公司 | Multistage cutting and grinding sewage pump |
| CN113819062A (en) * | 2021-09-15 | 2021-12-21 | 尚宝罗江苏节能科技股份有限公司 | Centrifugal conveying pump |
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|---|---|---|---|---|
| US7159806B1 (en) * | 2005-01-18 | 2007-01-09 | Ritsema Stephen T | Cutter assembly for a grinder pump |
| CN102374187A (en) * | 2010-08-24 | 2012-03-14 | 开利泵业(集团)有限公司 | Cutting device for sewage submersible pump |
| CN102828986A (en) * | 2012-09-20 | 2012-12-19 | 台州豪贝泵业有限公司 | Cutting assembly for stainless steel cutting submersible pump |
| CN202690499U (en) * | 2012-06-26 | 2013-01-23 | 方子林 | Two-reamer cutting type submersible sewage pump |
| CN203272197U (en) * | 2013-04-02 | 2013-11-06 | 江苏凯泉泵业制造有限公司 | Submersible sewage pump with dirt cutting function |
| CN204961372U (en) * | 2015-08-19 | 2016-01-13 | 台州新宏基泵业有限公司 | Sewage filth submerged motor pump filth cutting device |
| CN205533291U (en) * | 2016-01-20 | 2016-08-31 | 四川嘉能机电有限公司 | Multistage cutting grinding dredge pump |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8109714B2 (en) * | 2007-09-06 | 2012-02-07 | Keener Robert M | Sewage pump |
| KR100918876B1 (en) * | 2009-01-30 | 2009-09-28 | (주)지천펌프공업 | Water grinder pump |
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2016
- 2016-01-20 CN CN201610036433.1A patent/CN105508262B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7159806B1 (en) * | 2005-01-18 | 2007-01-09 | Ritsema Stephen T | Cutter assembly for a grinder pump |
| CN102374187A (en) * | 2010-08-24 | 2012-03-14 | 开利泵业(集团)有限公司 | Cutting device for sewage submersible pump |
| CN202690499U (en) * | 2012-06-26 | 2013-01-23 | 方子林 | Two-reamer cutting type submersible sewage pump |
| CN102828986A (en) * | 2012-09-20 | 2012-12-19 | 台州豪贝泵业有限公司 | Cutting assembly for stainless steel cutting submersible pump |
| CN203272197U (en) * | 2013-04-02 | 2013-11-06 | 江苏凯泉泵业制造有限公司 | Submersible sewage pump with dirt cutting function |
| CN204961372U (en) * | 2015-08-19 | 2016-01-13 | 台州新宏基泵业有限公司 | Sewage filth submerged motor pump filth cutting device |
| CN205533291U (en) * | 2016-01-20 | 2016-08-31 | 四川嘉能机电有限公司 | Multistage cutting grinding dredge pump |
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| Publication number | Publication date |
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| CN105508262A (en) | 2016-04-20 |
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