CN102878090A - Novel centrifugal pump - Google Patents
Novel centrifugal pump Download PDFInfo
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- CN102878090A CN102878090A CN2012103948168A CN201210394816A CN102878090A CN 102878090 A CN102878090 A CN 102878090A CN 2012103948168 A CN2012103948168 A CN 2012103948168A CN 201210394816 A CN201210394816 A CN 201210394816A CN 102878090 A CN102878090 A CN 102878090A
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Abstract
The invention discloses a novel centrifugal pump. A waterproof variable-frequency motor is directly connected with a main pump, and one to three intermediate pumps are arranged between a main pump suction port and a fence filter. As an improvement, each intermediate pump is divided into an upper pump shell and a lower pump shell; each upper pump shell is connected with an upper pump inner bracket through three to six supporting rib plates; an annular isolation seat is crosswise connected with the supporting rib plates between the upper pump inner bracket and each upper pump shell; the outer circle of an upper bearing is also fixedly arranged in an inner hole of the upper pump inner bracket; each lower pump shell is connected with a lower pump inner bracket through three to six water suction pipes; the outer circle of a lower bearing is also fixedly arranged in an inner hole of the lower pump inner bracket; a peripheral filter screen covers outer ports of the water suction pipes between the outer edge of a lower shell intermediate flange of each lower pump shell and the outer edge of a lower shell outer flange; an upper shell intermediate flange of each upper pump shell is fixedly connected with the lower shell intermediate flange in a matching way; an inner hole of the upper bearing and an inner hole of the lower bearing are fixed with a coupling shaft together; a square groove is arranged at the upper end of the coupling shaft; a square boss is arranged at the lower end of the coupling shaft; and an impeller is positioned between the upper pump inner bracket and the lower pump inner bracket and is fixedly arranged on the coupling shaft.
Description
Technical field
The invention belongs to the centrifugal pump in the fluid machinery, side by side a kind of New Centrifugal Pump of suction of cascaded structure is specifically related to work below liquid.
Background technique
Known each concrete centrifugal pump all is that its best lift, the intrinsic demarcation of flow are arranged, and can't meet an urgent need to change its flow temporarily.Metro grade separation facility is because the city flood accidents such as heavy rain cause casualties, the case of property loss is appeared in the newspapers repeatedly, be difficult to satisfy the urgent reply difficult problem of the city flood accidents such as Heavy Rain of Typhoon and become increasingly abundant, changeable living environment is required.
Summary of the invention
The purpose of this invention is to provide a kind of New Centrifugal Pump, be equipped with the waterproof variable-frequency motor, can as required with 1 to 3 line pump, be added between main pump suction inlet and the fence filter, reach be connected in series, the effect of suction in parallel, central drainage so that flow becomes many times of increases.
To achieve these goals, the invention provides following technological scheme:
A kind of New Centrifugal Pump, waterproof variable-frequency motor direct connection main pump has 1 to 3 line pump between main pump suction inlet and the fence filter, and as improvement: described line pump is divided into upper pump case and lower pump case; Described upper pump case is connecting by 3 to 6 bearing ribs goes up the pump internal frame, and annular isolation seat and described bearing rib interconnection are arranged between upper pump internal frame and the upper pump case, and upper pump internal frame endoporus also is fixed wtih the upper bearing (metal) cylindrical; Described lower pump case is connecting to descend the pump internal frame by 3 to 6 suction sleeves, and lower pump internal frame endoporus also is fixed wtih the lower bearing cylindrical, has peripheral filter screen that described suction sleeve collar extension is covered between flange outer rim and the described lower casing outward flange outer rim in the lower casing of lower pump case; Flange matches with flange in the described lower casing and is fixedly connected with in the upper casing of described upper pump case, and described annular isolation seat leave from office terrace and the described lower pump internal frame terrace of appearing on the stage is matched; Described upper bearing (metal) endoporus is fixed wtih the biography spindle with the lower bearing endoporus, and passing the spindle upper end has square groove, and passing the spindle lower end has square boss; Impeller is positioned between described upper pump internal frame and described lower pump internal frame and is fixed on the described biography spindle.
As further improvement: the lower casing outward flange of a upper line pump can match with the upper casing outward flange of next line pump and be fixedly connected with.
As further improvement: the square boss of the biography spindle lower end of a upper line pump can be in mating connection with the square groove of next line pump.
As further improvement: main pump impeller axle lower end square boss and described square groove are in mating connection.
As further improvement: the lower casing outward flange of line pump and the filtration flange of described fence filter are fixed.
As further improvement: described lower pump case had 3 to 6 pump case inclined holes, and each pump case inclined hole is fixed wtih the outer end of suction sleeve, and the inner of suction sleeve is being connected and fixed on the internal frame inclined hole of pump internal frame and is leading to the suction inlet chamber.
As further improvement: described fence filter comprises, filtering has 3 to 12 to support that insulated columns will filter flange and filtering bottom board fixes between flange and the filtering bottom board.
As further improvement: described fence filter comprises that also ring has 20 to 30 filtration fence annular configuration filtering between flange and the filtering bottom board in supporting insulated column.
The invention has the beneficial effects as follows; Can be according to emergency requirement between main pump and fence filter, insert 1 or 2 line pumps with cascaded structure, can insert at most 3 line pumps, side by side suction work under liquid, as long as switch different necessary electromotor power, just can realize quickly many times of effects of amplifying pumping loads, solved the urgent reply difficult problem of the city flood accidents such as Heavy Rain of Typhoon and become increasingly abundant, changeable living environment is required.The present invention is novel, and is simple in structure, the convenient manufacturing, and the market application potential is huge.
In conjunction with the accompanying drawings and embodiments, further structure of the present invention and working principle are elaborated:
Description of drawings
Fig. 1 is that the present invention inserts 2 External views behind the line pump 20;
Fig. 2 is that the present invention inserts 2 part sectioned views behind the line pump 20;
Fig. 3 is that the present invention inserts 3 part sectioned views behind the line pump 20;
Fig. 4 is that the present invention inserts 1 part sectioned view behind the line pump 20;
Fig. 5 is the sectional drawing of single line pump 20 among Fig. 4;
Fig. 6 be among Fig. 5 upper pump case 75 independent separated states sectional view;
Fig. 7 is the plan view of Fig. 6;
Fig. 8 be among Fig. 5 lower pump case 26 independent separated states sectional view;
Fig. 9 is the plan view of Fig. 8;
Figure 10 is the part sectioned view after the present invention lays down all line pumps 20;
Figure 11 is the sectional view in A-A cross section among Figure 10.
Embodiment
In Fig. 1, Fig. 2, Fig. 5, Fig. 6, Fig. 8 and Figure 10, a kind of New Centrifugal Pump, waterproof variable-frequency motor 18 direct connection main pumps 10 have 1 to 3 line pump 20 between main pump suction inlet 12 and the fence filter 60, as improvement: described line pump 20 is divided into upper pump case 75 and lower pump case 26; Described upper pump case 75 is connecting by 3 to 6 bearing ribs 88 goes up pump internal frame 29, and annular isolation seat 22 and described bearing rib 88 interconnections are arranged between upper pump internal frame 29 and the upper pump case 75, and upper pump internal frame 29 endoporus also are fixed wtih upper bearing (metal) 23 cylindricals; Described lower pump case 26 is connecting to descend pump internal frame 28 by 3 to 6 suction sleeves 27, lower pump internal frame 28 endoporus also are fixed wtih lower bearing 34 cylindricals, have peripheral filter screen 48 that described suction sleeve 27 collar extensions are covered between flange 42 outer rims and described lower casing outward flange 46 outer rims in the lower casing of lower pump case 26; Flange 24 matches with flange 42 in the described lower casing and is fixedly connected with in the upper casing of described upper pump case 75, and described annular isolation seat 22 leave from office terraces and described lower pump internal frame 28 terrace of appearing on the stage is matched; Described upper bearing (metal) 23 endoporus are fixed wtih with lower bearing 34 endoporus and pass spindle 39, and passing spindle 39 upper ends has square groove 31, and passing spindle 39 lower ends has square boss 36; Impeller 25 is fixed on the described biography spindle 39 between pump internal frame 29 and the described lower pump internal frame 28 on described.
As further improvement: the lower casing outward flange 46 of a upper line pump 20 can match with the upper casing outward flange 21 of next line pump 20 and be fixedly connected with.
As further improvement: the square boss 36 of biography spindle 39 lower ends of a upper line pump 20 can be in mating connection with the square groove 31 of next line pump 20.
As further improvement: main pump impeller axle lower end square boss 13 is in mating connection with described square groove 31.
As further improvement: the lower casing outward flange 46 of line pump 20 is fixed with the filtration flange 64 of described fence filter 60.
As further improvement: described fence filter 60 comprises, filtering has 3 to 12 to support that insulated columns 63 will filter flange 64 and filtering bottom board 61 fixes between flange 64 and the filtering bottom board 61.
As further improvement: described fence filter 60 also comprises, has 20 to 30 filtration fence 62 annular configuration filtering between flange 64 and the filtering bottom board 61 supporting insulated column 63 interior rings.
Embodiment's installation steps are take Under Water Pumps the present invention of inserting 2 line pumps 20 as example, and installation steps and working principle are described as follows:
In Fig. 2, waterproof variable-frequency motor 18 is fixed with main pump 10 straight connection types, the lower casing outward flange 46 that the main pump suction inlet 12 of main pump spiral case 14 end openings is being fixed 21, the second line pumps 20 of upper casing outward flange of first line pump 20 matches fixing with the filtration flange 64 of fence filter 60.
At Fig. 1, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, among Figure 10 and Figure 11, square boss 36 ends that pass spindle 39 are passed through upper bearing (metal) 23 and lower bearing 34 successively, allow upper bearing (metal) 23 inner rings lean against the shaft shoulder 32 places at square groove 31 back sides that pass spindle 39, again impeller 25 is fixed on the correct position that passes spindle 39, so that impeller 25 tool back planes and upper pump internal frame 29 lower planes keep 2 millimeters gaps, again flange 42 in the lower casing of flange 24 in the upper casing of upper pump case 75 and lower pump case 26 is matched and be fixedly connected with, so that cambered surface keeps 2 millimeters gaps, self-locking nut 33 to cooperate with male thread 38 tightly suppressing lower bearing 34 inner rings on impeller 25 positive cambered surfaces and the lower pump internal frame 28.First line pump 20 installs that rear to install second line pump 20 with same method stand-by again.
It is fixing that main pump suction inlet 12 is matched with the upper casing outward flange 21 of first line pump 20, makes the square groove 31 of main pump impeller axle lower end square boss 13 and first line pump 20 in mating connection.
The lower casing outward flange 46 of first line pump 20 matches with upper casing outward flange 21 on second line pump 20 and is fixedly connected with, and makes the square groove 31 of the square boss 36 of first line pump 20 and second line pump 20 in mating connection.
The lower casing outward flange 46 of second line pump 20 matches fixing with the filtration flange 64 of fence filter 60.
During use, the lifting rope is fixing at motor suspension ring 17, and the present invention is slowly dropped under the liquid, after the energising, in the time of the operation of waterproof variable-frequency motor 18 Host actuating pumps, by impeller shaft lower end square boss 13, also drives 20 rotations of two line pumps.
Main pump suction inlet 12 is successively through the upper casing external chennel 73 of first line pump 20 and upper casing external chennel 73 and the lower casing external chennel 71 of lower casing external chennel 71 and second line pump 20, from filtration flange 64 and 62 suctions of the filtration fence between the filtering bottom board 61 of fence filter 60.Be connected to specified place through main pump impeller 19 discharge flange 16 from discharge tube 15 after the 14 inner chamber superchargings of main pump spiral case.
In like manner, impeller 25 suction inlets of second line pump 20 suck from peripheral filter screen 48 through being positioned at 6 suction sleeves 27 of lower pump case 26 at the corresponding levels.After lower casing external chennel 71 superchargings of 25 first line pumps 20 of impeller, out be incorporated into the lower casing external chennel 71 of first line pump 20 from upper casing internal channel 74.Upper casing external chennel 73 through first line pump 20 is incorporated into main pump suction inlet 12 again.
Can be according to emergency requirement between main pump 10 and fence filter 60, insert 1 or 2 line pumps 20, can insert at most 3 line pumps 20, as long as switch different necessary electromotor power, just can realize quickly many times of effects of amplifying pumping loads, solved the urgent reply difficult problem of the city flood accidents such as Heavy Rain of Typhoon and become increasingly abundant, changeable living environment is required.
Fig. 3 is that the present invention inserts 3 part sectioned views behind the line pump 20; Fig. 4 is that the present invention inserts 1 part sectioned view behind the line pump 20; Figure 10 is the part sectioned view after the present invention lays down all line pumps 20.
In Figure 10 and Figure 11,8 support insulated columns 63 will filter flange 64 and fix with filtering bottom board 61, and 24 filtration fence 62 annular configuration are being filtered between flange 64 and the filtering bottom board 61.
Claims (8)
1. New Centrifugal Pump, waterproof variable-frequency motor (18) direct connection main pump (10), between main pump suction inlet (12) and the fence filter (60) 1 to 3 line pump (20) is arranged, it is characterized in that: described line pump (20) is divided into pump case (75) and lower pump case (26); Described upper pump case (75) is connecting by 3 to 6 bearing ribs (88) goes up pump internal frame (29), annular isolation seat (22) and described bearing rib (88) interconnection are arranged between upper pump internal frame (29) and the upper pump case (75), and upper pump internal frame (29) endoporus also is fixed wtih upper bearing (metal) (23) cylindrical; Lower pump case (26) is connecting to descend pump internal frame (28) by 3 to 6 suction sleeves (27), lower pump internal frame (28) endoporus also is fixed wtih lower bearing (34) cylindrical, has peripheral filter screen (48) that described suction sleeve (27) collar extension is covered in the lower casing of lower pump case (26) between flange (42) outer rim and described lower casing outward flange (46) outer rim; Flange (24) matches with flange (42) in the described lower casing and is fixedly connected with in the upper casing of described upper pump case (75), and described annular isolation seat (22) leave from office terrace and described lower pump internal frame (28) terrace of appearing on the stage is matched; Described upper bearing (metal) (23) endoporus is fixed wtih with lower bearing (34) endoporus and passes spindle (39), and passing spindle (39) upper end has square groove (31), and passing spindle (39) lower end has square boss (36); Impeller (25) is positioned between described upper pump internal frame (29) and the described lower pump internal frame (28) and is fixed on the described biography spindle (39).
2. a kind of New Centrifugal Pump according to claim 1, it is characterized in that: the lower casing outward flange (46) of a upper line pump (20) can match with the upper casing outward flange (21) of next line pump (20) and be fixedly connected with.
3. a kind of New Centrifugal Pump according to claim 1, it is characterized in that: the square boss (36) of biography spindle (39) lower end of a upper line pump (20) can be in mating connection with the square groove (31) of next line pump (20).
4. a kind of New Centrifugal Pump according to claim 1 is characterized in that: main pump impeller axle lower end square boss (13) is in mating connection with described square groove (31).
5. a kind of New Centrifugal Pump according to claim 1 is characterized in that: the lower casing outward flange (46) of line pump (20) is fixed with the filtration flange (64) of described fence filter (60).
6. a kind of New Centrifugal Pump according to claim 1, it is characterized in that: described lower pump case (26) had 3 to 6 pump case inclined holes (76), each pump case inclined hole (76) is fixed wtih the outer end of suction sleeve (27), and the inner of suction sleeve (27) is being connected and fixed the upper suction inlet chamber (79) that leads to of the internal frame inclined hole (78) of pump internal frame (28).
7. a kind of New Centrifugal Pump according to claim 1, it is characterized in that: described fence filter (60) comprises having 3 to 12 support insulated columns (63) will filter flange (64) between filtration flange (64) and the filtering bottom board (61) and fix with filtering bottom board (61).
8. a kind of New Centrifugal Pump according to claim 1, it is characterized in that: described fence filter (60) comprises that also ring has 20 to 30 filtration fence (62) annular configuration filtering between flange (64) and the filtering bottom board (61) in supporting insulated column (63).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN2012103948168A CN102878090A (en) | 2012-10-04 | 2012-10-04 | Novel centrifugal pump |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN2012103948168A CN102878090A (en) | 2012-10-04 | 2012-10-04 | Novel centrifugal pump |
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CN102878090A true CN102878090A (en) | 2013-01-16 |
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Family Applications (1)
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CN2012103948168A Pending CN102878090A (en) | 2012-10-04 | 2012-10-04 | Novel centrifugal pump |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112392729A (en) * | 2020-01-22 | 2021-02-23 | 陈科 | Chemical pump with shaft split middle-opening easy-to-disassemble structure |
CN108633434B (en) * | 2018-06-26 | 2023-09-12 | 石河子大学 | Hydraulic drive fertilization pump |
CN117869312A (en) * | 2024-03-11 | 2024-04-12 | 江苏科曼机械制造有限公司 | Special pump for pickling |
Citations (7)
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IL98439A (en) * | 1991-06-11 | 1994-06-24 | Electrical And Mechanical Serv | Vertical turbine pumps |
US6089823A (en) * | 1998-05-04 | 2000-07-18 | Ingersoll-Dresser Pump Company | Multi-stage vertical turbine pump with comminution |
CN2531140Y (en) * | 2001-07-11 | 2003-01-15 | 李天宝 | Pump for semisubmersible well |
CN101086262A (en) * | 2006-06-07 | 2007-12-12 | 世新泵浦有限公司 | Impeller module of pump |
CN101705943A (en) * | 2009-11-09 | 2010-05-12 | 山西天海泵业有限公司 | Novel submersible pump |
CN102182691A (en) * | 2011-05-09 | 2011-09-14 | 中国石油大学(华东) | Modular pump unit used in multi-stage pump |
CN202789585U (en) * | 2012-10-04 | 2013-03-13 | 宁波大红鹰学院 | Novel centrifugal pump |
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2012
- 2012-10-04 CN CN2012103948168A patent/CN102878090A/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IL98439A (en) * | 1991-06-11 | 1994-06-24 | Electrical And Mechanical Serv | Vertical turbine pumps |
US6089823A (en) * | 1998-05-04 | 2000-07-18 | Ingersoll-Dresser Pump Company | Multi-stage vertical turbine pump with comminution |
CN2531140Y (en) * | 2001-07-11 | 2003-01-15 | 李天宝 | Pump for semisubmersible well |
CN101086262A (en) * | 2006-06-07 | 2007-12-12 | 世新泵浦有限公司 | Impeller module of pump |
CN101705943A (en) * | 2009-11-09 | 2010-05-12 | 山西天海泵业有限公司 | Novel submersible pump |
CN102182691A (en) * | 2011-05-09 | 2011-09-14 | 中国石油大学(华东) | Modular pump unit used in multi-stage pump |
CN202789585U (en) * | 2012-10-04 | 2013-03-13 | 宁波大红鹰学院 | Novel centrifugal pump |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108633434B (en) * | 2018-06-26 | 2023-09-12 | 石河子大学 | Hydraulic drive fertilization pump |
CN112392729A (en) * | 2020-01-22 | 2021-02-23 | 陈科 | Chemical pump with shaft split middle-opening easy-to-disassemble structure |
CN112392730A (en) * | 2020-01-22 | 2021-02-23 | 陈科 | Chemical pump with shaft-split middle-opening conveniently-disassembled structure |
CN117869312A (en) * | 2024-03-11 | 2024-04-12 | 江苏科曼机械制造有限公司 | Special pump for pickling |
CN117869312B (en) * | 2024-03-11 | 2024-06-04 | 江苏科曼机械制造有限公司 | Special pump for pickling |
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SE01 | Entry into force of request for substantive examination | ||
AD01 | Patent right deemed abandoned | ||
AD01 | Patent right deemed abandoned |
Effective date of abandoning: 20170901 |