CN102094833B - Submerged electric pump for well - Google Patents
Submerged electric pump for well Download PDFInfo
- Publication number
- CN102094833B CN102094833B CN 201110068235 CN201110068235A CN102094833B CN 102094833 B CN102094833 B CN 102094833B CN 201110068235 CN201110068235 CN 201110068235 CN 201110068235 A CN201110068235 A CN 201110068235A CN 102094833 B CN102094833 B CN 102094833B
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- CN
- China
- Prior art keywords
- mounting hole
- face
- connecting base
- submersible pump
- guide vane
- 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.)
- Expired - Fee Related
Links
- 229920000459 Nitrile rubber Polymers 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims abstract description 7
- 238000009434 installation Methods 0.000 claims description 7
- 238000004146 energy storage Methods 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 230000003014 reinforcing effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000005461 lubrication Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 238000007667 floating Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000003319 supportive effect Effects 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention provides a submerged electric pump for a well, and belongs to the technical field of machinery. The submerged electric pump provided by the invention is used for solving the problems of less bearing capacity, low efficiency and high production cost of the existing submerged electric pump for a well. The submerged electric pump for the well comprises a shell, a motor, a main shaft and a pump body, wherein the main shaft is connected with a motor rotary shaft; the pump body consists of a plurality of pump units, and a connecting seat is connected between the pump body and the shell; one end surface of the connecting seat is provided with bolt holes, and the side wall of the connecting seat is provided with first mounting holes which are corresponding to the bolt holes; third mounting holes are arranged between any two adjacent first mounting holes; each pump unit is composed of a guide blade shell of a tubular integral structure and a vane wheel which is placed in the guide blade shell; the guide blade shell is provided with a shaft sleeve which is made of a nitrile rubber buna material; and two long side edges of each first mounting hole and each third mounting hole are provided with reinforcing ribs which are bent toward the interior of the connecting seat. The submerged electric pump for the well has the advantages of great bearing capacity, high efficiency and low production cost.
Description
Technical field
The invention belongs to field of mechanical technique, relate to a kind of pump, particularly a kind of Submersible Pump.
Background technique
Existing large flow Submersible Pump is general all to be comprised of housing, the motor, main shaft and the pump housing that are installed in the housing, its middle pump body is connected to form by a plurality of pumps unit, and link together by connecting base between the pump housing and the housing, wherein the pump unit is comprised of impeller and guide vane shell, and impeller is placed in the guide vane shell.Existing connecting base just offers the first mounting hole and a plurality of the second mounting hole that passes through for the motor cable at its sidewall, offering the second mounting hole mainly is for the convenient bolt that is used for connecting connecting base and housing of installing, and in order to make things convenient for main shaft to pass through, connecting base inside is hollow, only play a supportive role by sidewall, Submersible Pump generally is under water buried simultaneously, under the weight effect of hydraulic pressure and motor, connecting base is easy to deform, particularly the connecting base wall portion between the first mounting hole and the second mounting hole easily deforms, thereby affects stability and the working life of whole electric pump.
Summary of the invention
The objective of the invention is to have the problems referred to above for existing technology, proposed a kind of simple in structure, long service life, bearing capacity is large, efficient is high Submersible Pump.
Purpose of the present invention can realize by following technical proposal: in a kind of Submersible Pump, comprise housing, be installed in the motor in the housing, main shaft and the pump housing form, described main shaft links to each other with machine shaft, the described pump housing connected to form by a plurality of pumps unit and the described pump housing and housing between be connected with tubular connecting base, offer several bolts hole on one of them end face of described connecting base and offer and bolt hole corresponding the first mounting hole one by one at the connecting base sidewall, and between the first mounting hole of any two-phase neighbour, offer the 3rd mounting hole, it is characterized in that, described each pump unit forms by the guide vane shell of tubular integral structure and the impeller that is placed in the guide vane shell, the axle sleeve that adopts the nitrile rubber material to make is installed on the described guide vane shell, and two long side edges on described the first mounting hole and the 3rd mounting hole all have to the stiffening rib of connecting base interior curve.
The first mounting hole mainly is for convenient the bolt that is used for connecting connecting base and housing to be installed, and the 3rd mounting hole is can stretch in housing for the electric wire that can make motor.The stiffening rib that two long sides by the first mounting hole and the 3rd mounting hole all arrange, can strengthen bearing capacity and the mechanical strength of connecting base integral body, particularly bearing capacity and the mechanical strength of the connecting base wall portion between the first mounting hole and the second mounting hole, thus can prevent effectively that connecting base from occuring bending and deformation under weight; Be the integral type structure by the housing design with guide vane shell, can reduce manufacturing procedure, reduce cost of production, the bearing wear resistance that adopts simultaneously the nitrile rubber material to make is better.
In above-mentioned Submersible Pump, also offer the second mounting hole that communicates with the first mounting hole on the described connecting base sidewall, offer first step between described the second mounting hole and the first mounting hole, two long sides of described the second mounting hole have extended to form symmetrically arranged turning edge to the connecting base inner inclination.Can further strengthen bearing capacity and the mechanical strength of connecting base integral body by turning edge of the second mounting hole two long sides formation.
In above-mentioned Submersible Pump, described connecting base comprises large end face and small end face, and the diameter of described large end face is greater than the diameter of small end face, and above-mentioned bolt hole is opened on the large end face, has the 3rd step on the described small end face.Can place easily guide vane shell by the 3rd step.
In above-mentioned Submersible Pump, described the first mounting hole is evenly distributed on the connecting base sidewall.
In above-mentioned Submersible Pump, fixed base, some splitters, dividing walls with axis hole are installed in the described guide vane shell and are fixed on the interior installation sleeve of fixed base, described splitter is connected between fixed base and the dividing walls, and above-mentioned axle sleeve is connected in the installation sleeve.
In above-mentioned Submersible Pump, described dividing walls is connected on the inner walls by the energy storage welding, and described splitter connects by energy storage and is connected between fixed base and the dividing walls.Dividing walls firmly is fixed on the inner walls, splitter firmly is fixed between fixed base and the dividing walls.
In above-mentioned Submersible Pump, has second step in the form of a ring on described guide vane shell one end face.By this step a plurality of guide vane shells are superimposed, play positioning action.
In above-mentioned Submersible Pump, radially offer several bypass channels on the described axle sleeve interior edge face.By being opened in the bypass channel on the end face, so that pump water in pump process can flow into end face of shaft bush on the guide vane shell and the space between the axle head end face on the impeller, thereby the lubrication of playing, so that significantly improve the working life of this Submersible Pump, the bearing wear resistance that adopts simultaneously the nitrile rubber material to make is better.
In above-mentioned Submersible Pump, described bypass channel is strip and is evenly distributed on the connecting base interior edge face.Can make like this end face of shaft bush and the lubrication effect between the axle head end face on the impeller on the guide vane shell better.
In above-mentioned Submersible Pump, be fixed with thread cap on the described impeller endoporus, described thread cap one end face has the outward extending flange of level and above-mentioned axle sleeve interior edge face is resisted against on the flange.Can play the axially locating effect like this, can prevent effectively that in use impeller shaft is to floating.
In above-mentioned Submersible Pump, described connecting base internal surface is interior hexagonal configuration.
Compared with prior art, this Submersible Pump has the following advantages:
1, two long sides of connecting base on the first mounting hole and the 3rd mounting hole are provided with stiffening rib, the second mounting hole two long sides are formed with and turn edge simultaneously, thereby bearing capacity and the mechanical strength of connecting base integral body have been strengthened, particularly bearing capacity and the mechanical strength of the connecting base wall portion between the first mounting hole and the second mounting hole, thereby can prevent effectively that connecting base from occuring bending and deformation under weight, good reliability, practical.
2, the housing design of guide vane shell is the integral type structure, and by the spot welding mode splitter, fixed base and dividing walls is fixed together, thereby has reduced manufacturing procedure, reduced cost of production, energy saving.
3, axle sleeve is by being opened in the bypass channel on the end face, so that pump water in pump process can flow into end face of shaft bush on the guide vane shell and the space between the axle head end face on the impeller, thereby the lubrication of playing, so that significantly improve the working life of this Submersible Pump, simultaneously cooperating between axle sleeve and the thread cap can be played the axially locating effect, can effectively prevent in use impeller floating.
4, the bearing wear resistance that adopts the nitrile rubber material to make is better.
Description of drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is the perspective view of connecting base among the present invention.
Fig. 3 is the structural representation of connecting base among the present invention.
Fig. 4 is the structural representation of guide vane shell among the present invention.
Fig. 5 is the sectional structure schematic diagram of guide vane shell among the present invention.
Fig. 6 is the structural representation of thread cap among the present invention.
Fig. 7 is the partial schematic sectional view of connecting base among the present invention.
Among the figure, 1, housing; 2, pump unit; 3, connecting base; 31, large end face; 32, small end face; 33, bolt hole; 34, the first mounting hole; 35, the second mounting hole; 36, stiffening rib; 37, turn edge; 38, first step; 4, guide vane shell; 41, second step; 5, axle sleeve; 51, bypass channel; 6, dividing walls; 7, fixed base; 8, pump housing connection strap; 9, splitter; 10, the 3rd mounting hole; 11, installation sleeve; 12, the 3rd step; 13, connecting plate; 14, through hole; 15, thread cap; 16, flange.
Embodiment
Below be specific embodiments of the invention and by reference to the accompanying drawings, technological scheme of the present invention is further described, but the present invention be not limited to these embodiments.
As shown in Figure 1, the motor, main shaft and the pump housing that comprise tubular housing 1 in this Submersible Pump, be installed in the housing 1 form, wherein main shaft links to each other with machine shaft, the pump housing connected to form by a plurality of pumps unit 2 and the pump housing and housing 1 between be connected with tubular connecting base 3.
Such as Fig. 2, Fig. 3 and shown in Figure 7, connecting base 3 comprises large end face 31 and small end face 32, and wherein the diameter of large end face 31 has the 3rd step 12 greater than the diameter of small end face 32 at small end face 32, can place easily and locate guide vane shell 4 by the 3rd step 12.Large end face 31 at connecting base 3 offers 4 bolts hole 33, on connecting base 3 sidewalls, evenly offer 4 with bolt hole 33 corresponding the first mounting hole 34 one by one, between any two the first adjacent mounting holes 34, offer the 3rd mounting hole 12.The first mounting hole 34 mainly is for convenient the bolt that is used for connecting connecting base 3 and housing 1 to be installed, and the 3rd mounting hole 10 is can stretch in housing 1 for the electric wire that can make motor.All have to the stiffening rib 36 of connecting base 3 interior curve at two long side edges of the first mounting hole 34 and the 3rd mounting hole 10, on connecting base 3 sidewalls, also offer the second mounting hole 35 that communicates with the first mounting hole 34, offer first step 38 between the second mounting hole 35 and the first mounting hole 34, and two long sides of the second mounting hole 35 have extended to form to connecting base 3 inner inclination and have symmetrically arrangedly turned edge 37.Be placed with connecting plate 13 at first step 38, offer through hole 14 at connecting plate 13, connecting plate 13 mainly is the pump housing connection strap 8 that is fixed for fixed guide vane shell 4 in order to install.
The large end face 31 of connecting base 3 is resisted against on housing 1 end face, and be connected by bolt passing through bolt hole 33 and housing 1, the small end face 32 of connecting base 3 is resisted against on the pump body end surface, and a plurality of guide vane shells 4 are fixed together by pump housing connection strap 8 and an end of pump housing connection strap 8 is bolted on the second mounting hole 35 of connecting base 3.What two long sides by the first mounting hole 34 were provided with that stiffening rib 36 and 35 liang of long sides of the second mounting hole form turns edge 37, has strengthened bearing capacity and the mechanical strength of connecting base 3 integral body, can prevent effectively that connecting base 3 from occuring bending and deformation under weight.
Each pump unit 2 forms by the guide vane shell 4 of tubular integral structure and the impeller that is placed in the guide vane shell 4, wherein guide vane shell 4 one-off drawing moulding, as shown in Figure 4 and Figure 5, fixed base 7,10 splitters 9, dividing walls 6 with axis hole are installed in guide vane shell 4 and are fixed on installation sleeve 11 in the fixed base 7, in installation sleeve 11, be fixed with the axle sleeve 5 that adopts the nitrile rubber material to make.
Dividing walls 6 is connected on guide vane shell 4 inwalls by the energy storage welding, and dividing walls 6 firmly is fixed on guide vane shell 4 inwalls.Splitter 9 evenly distributes by the energy storage welding and is connected between fixed base 7 and the dividing walls 6, and splitter 9 firmly is fixed between fixed base 7 and the dividing walls 6.Have in the form of a ring second step 41 at guide vane shell 4 one end faces, by this second step 41 a plurality of guide vane shells 4 are superimposed, play positioning action.
The internal surface of the axle sleeve 5 on the guide vane shell 4 is interior hexagonal configuration and radially offers six bypass channels 51 on the interior edge face of axle sleeve 5, and bypass channel 51 is strip and is evenly distributed on the interior edge face of this axle sleeve 5.By bypass channel 51 can so that pump in pump process so that water can flow into axle sleeve 5 end faces on the guide vane shell 4 and the space between the end face of shaft bush on the impeller, play the pump shaft lubrication, thereby so that significantly improve the working life of this Submersible Pump.As shown in Figure 6, be fixed with thread cap 15 at the impeller endoporus, thread cap 15 1 end faces have the outward extending flange 16 of level and axle sleeve 5 interior edge faces are resisted against on the flange 16, can play the axially locating effect like this, can prevent effectively that in use impeller shaft is to floating.
In the situation that measure-alike, it is more that the impeller in this Submersible Pump can arrange, and lift is higher; In the situation that lift is identical, the height of the similar pump of aspect ratio of this Submersible Pump has shortened 40%.
Specific embodiment described herein only is to the explanation for example of the present invention's spirit.Those skilled in the art can make various modifications or replenish or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Claims (9)
1. Submersible Pump, comprise housing (1), be installed in the motor in the housing (1), main shaft and the pump housing, described main shaft links to each other with machine shaft, the described pump housing connected to form by a plurality of pumps unit (2) and the described pump housing and housing (1) between be connected with tubular connecting base (3), offer several bolts hole (33) on the end face of described connecting base (3) and housing (1) contact and offer and bolt hole (33) corresponding the first mounting hole (34) one by one at connecting base (3) sidewall, and between the first mounting hole (34) of any two-phase neighbour, offer the 3rd mounting hole (10), it is characterized in that, described each pump unit (2) forms by the guide vane shell (4) of tubular integral structure and the impeller that is placed in the guide vane shell (4), the axle sleeve (5) that adopts the nitrile rubber material to make is installed on the described guide vane shell (4), and two long side edges on described the first mounting hole (34) and the 3rd mounting hole (10) all have to the stiffening rib (36) of connecting base (3) interior curve.
2. Submersible Pump according to claim 1, it is characterized in that, also offer the second mounting hole (35) that communicates with the first mounting hole (34) on described connecting base (3) sidewall, offer first step (38) between described the second mounting hole (35) and the first mounting hole (34), two long sides of described the second mounting hole (35) have extended to form symmetrically arranged turning edge (37) to connecting base (3) inner inclination.
3. Submersible Pump according to claim 1 and 2, it is characterized in that, described connecting base (3) comprises large end face (31) and small end face (32), the diameter of described large end face (31) is greater than the diameter of small end face (32), above-mentioned bolt hole (33) is opened on the large end face (31), has the 3rd step (12) on the described small end face (32).
4. Submersible Pump according to claim 1 and 2 is characterized in that, described the first mounting hole (34) is evenly distributed on connecting base (3) sidewall.
5. Submersible Pump according to claim 1 and 2, it is characterized in that, fixed base (7), some splitters (9), a dividing walls (6) with axis hole is installed in the described guide vane shell (4) and is fixed on the interior installation sleeve (11) of fixed base (7), described splitter (9) is connected between fixed base (7) and the dividing walls (6), and above-mentioned axle sleeve (5) is connected in the installation sleeve (11).
6. Submersible Pump according to claim 5, it is characterized in that, described dividing walls (6) is connected on guide vane shell (4) inwall by the energy storage welding, and described splitter (9) connects by energy storage and is connected between fixed base (7) and the dividing walls (6).
7. Submersible Pump according to claim 5 is characterized in that, has second step (41) in the form of a ring on described guide vane shell (4) one end faces.
8. Submersible Pump according to claim 1 and 2 is characterized in that, radially offers several bypass channels (51) on described axle sleeve (5) interior edge face.
9. Submersible Pump according to claim 8 is characterized in that, described bypass channel (51) is strip and is evenly distributed on axle sleeve (5) interior edge face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110068235 CN102094833B (en) | 2011-03-21 | 2011-03-21 | Submerged electric pump for well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110068235 CN102094833B (en) | 2011-03-21 | 2011-03-21 | Submerged electric pump for well |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102094833A CN102094833A (en) | 2011-06-15 |
| CN102094833B true CN102094833B (en) | 2013-09-18 |
Family
ID=44128055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110068235 Expired - Fee Related CN102094833B (en) | 2011-03-21 | 2011-03-21 | Submerged electric pump for well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102094833B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2308748Y (en) * | 1997-08-07 | 1999-02-24 | 吴春根 | Underwater pump |
| CN2557727Y (en) * | 2002-07-16 | 2003-06-25 | 上海国安泵阀制造有限公司 | Sewage deep well pump |
| US7654315B2 (en) * | 2005-09-30 | 2010-02-02 | Schlumberger Technology Corporation | Apparatus, pumping system incorporating same, and methods of protecting pump components |
| RU2387884C1 (en) * | 2008-11-10 | 2010-04-27 | Ольга Иосифовна Логинова | Centrifugal separator of solid particles |
| CN202001328U (en) * | 2011-03-21 | 2011-10-05 | 台州市涌鑫泵业有限公司 | Electric diving pump for well |
-
2011
- 2011-03-21 CN CN 201110068235 patent/CN102094833B/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN102094833A (en) | 2011-06-15 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130918 |