CN102913461B - Submersible electric pump - Google Patents
Submersible electric pump Download PDFInfo
- Publication number
- CN102913461B CN102913461B CN201210470344.XA CN201210470344A CN102913461B CN 102913461 B CN102913461 B CN 102913461B CN 201210470344 A CN201210470344 A CN 201210470344A CN 102913461 B CN102913461 B CN 102913461B
- Authority
- CN
- China
- Prior art keywords
- pump
- pump shaft
- fixed
- shaft
- spring
- 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.)
- Active
Links
Abstract
The invention provides a submersible electric pump and belongs to the technical field of pumps. The submersible electric pump solves the technical problems that submersible electric pumps work unstably, the working efficiency of submersible electric pumps is not high and the like, which are caused by upward playing of pump shafts due to rotation of electric motors of existing submersible electric pumps. The submersible electric pump comprises a pump body and an electric motor, the pump body is provided with an inlet and an outlet, an electric motor casing is connected with the pump body in a sealing mode, a pump shaft is arranged in the pump body, a plurality of parallel impellers are fixed on the pump shaft, one end of the pump shaft is connected with an output shaft of the electric motor, the other end of the pump shaft is arranged on the pump body through axial fixing and circumferential rotation, and the pump shaft is also connected with an upward-playing prevention device which can prevent the pump shaft from playing upwards. According to the submersible electric pump, the pump shaft works stably, and simultaneously, the submersible electric pump is high in working efficiency.
Description
Technical field
The invention belongs to pump technical field, relate to a kind of electric pump, particularly a kind of Submerged Motor Pumps.
Background technique
Submerged Motor Pumps is exactly that the motor of pump housing impeller and drives impeller all pulls the plug a kind of water pump of work, generally have deep-well with and work surface with two kinds.Dark Submersible Pump, by stretching into cable in well to feeding electric motors, eliminates transmission long axis, thus compact structure, lightweight, install, use and convenient transfer, replace the trend of borehole shaft drivenpump there being power supply area to have, but to the large well of sand content and non-transformer area inapplicable.
The fundamental prerequisite that electric pump draws water is: must be full of water in pump and suction sleeve, and can not have air, otherwise pump normally cannot work.Therefore, startup electric pump before, manually must fill water in advance in the pump housing, or specially join the self-priming pump of simple function, also configurable self-priming apparatus, just can complete pump normally work before warm-up.
At present, certain problem is existed usually for existing Submerged Motor Pumps, such as, impeller in the Submerged Motor Pumps pump housing is formed by being welded by several blades, the weld between blade and blade is caused to there is more soldering point like this, these soldering points are all relative to blade projection, such impeller in use, because the soldering point between blade brings resistance can to the rotation of impeller, electric pump works for a long time, impeller easily weares and teares, reduce the working efficiency of impeller, thus efficiency is not high to make electric pump occur, power consumption is large, the high-lighting problem such as easy to wear, eventually reduce the working life of electric pump.Under normal circumstances, the pump shaft in the Submerged Motor Pumps pump housing is all be connected with the output shaft of motor by coupling, and due to the rotation of motor, can make the pump shaft of electric pump that the phenomenon of altering occurs, this can cause the job insecurity of electric pump.And owing to there is no careful structure, often there is the shortcoming of the not high and job insecurity of working efficiency, reduce the quality of Submerged Motor Pumps in existing Submerged Motor Pumps.
Summary of the invention
The object of the invention is to there are the problems referred to above for existing technology, propose a kind of Submerged Motor Pumps, the high and long service life of this Submerged Motor Pumps working stability, efficiency, can also make the pump shaft of Submerged Motor Pumps can not the feature of upwards play.
Object of the present invention realizes by following technical proposal: a kind of Submerged Motor Pumps, comprise the pump housing and motor with import and outlet, described electric machine casing and the pump housing are tightly connected, pump shaft is provided with in the described pump housing, described pump shaft is fixed with some impellers be parallel to each other, it is characterized in that, the output shaft of described pump shaft one end and motor is connected, the described pump shaft the other end is by axial restraint and the mode that circumference is rotated is arranged on the pump housing, described pump shaft also can prevent with one its upwards play anti-on alter device and be connected.
This Submerged Motor Pumps, by motor and the pump housing being connected and sealed, effectively can preventing the water entered in the pump housing from entering in motor, affect the working efficiency of motor.Current can be flowed to smoothly the opposite side of impeller by the impeller on pump housing pump shaft from the side of impeller, thus improve this Submerged Motor Pumps efficiency operationally.Anti-on this Submerged Motor Pumps pump shaft alters the axial float that device effectively can prevent electric pump pump shaft, and structure is simple, easy for installation.
In above-mentioned Submerged Motor Pumps, described anti-on alter device and comprise connecting ring, described connecting ring is by circumference rotation and the mode of axial restraint is arranged on pump shaft, and described connecting ring is also fixed on pump housing inwall by a fixed support.By fixed support is fixed on the pump housing of Submerged Motor Pumps, again connecting ring is fixed on fixed support, such connecting ring has just been fixed on pump housing inwall, and be that circumference is rotated and axial restraint between connecting ring and pump shaft, therefore, pump shaft can only circumference rotate, and can not move axially, thus realize preventing pump shaft on alter.
In above-mentioned Submerged Motor Pumps, be connected by coupling between described motor output shaft and pump shaft, between described connecting ring and coupling, be also provided with the wear mechanisms that effectively can reduce connecting ring and wear and tear.This coupling can make motor be transferred on pump shaft by dynamically stable, the output shaft of motor, when work, may drive coupling towards pump shaft play, if active force is directly delivered on connecting ring by coupling, in long-term using process, the damage of connecting ring may be caused; By arranging wear mechanisms between connecting ring and coupling, effectively can reduce the wearing and tearing of connecting ring, improving the working life of connecting ring.
In above-mentioned Submerged Motor Pumps, described wear mechanisms comprises spring cup, spring, fitting seat and wear ring, described spring cup, spring, fitting seat and wear ring are all set on pump shaft, described spring one end acts on spring cup, the described spring the other end acts on fitting seat, the described spring cup the other end is resisted against on above-mentioned coupling, described fitting seat has installation cavity, described wear ring is in described installation cavity, and the described wear ring the other end is resisted against on above-mentioned connecting ring.This spring is in compressive state all the time, one end of spring is made first active force to be acted on fitting seat, again by fitting seat by force transmission on wear ring, enable that wear ring is always stable to be resisted against on connecting ring, thus improving the working life of connecting ring, the other end of spring can make spring cup be resisted against on coupling always.
In above-mentioned Submerged Motor Pumps, described spring cup has the limited part that can prevent spring from departing from spring cup.Limited part is an annular protrusion perpendicular with the body of spring cup, and this annular protrusion can ensure that the center line of spring can coincide with the shaft axis of pump shaft always, thus makes the active force of spring action on friction ring even.
In above-mentioned Submerged Motor Pumps, described wear ring adopts graphite material to make.The wear ring adopting this material to make has good abrasion resistant effect.
In above-mentioned Submerged Motor Pumps, be arranged with bearing outside described pump shaft, described pump shaft is fixed on bearing inner race, and above-mentioned connecting ring is fixed on bearing outer ring.Pump shaft and bearing inner race adopt friction tight mode to fix, and to ensure pump shaft and bearing inner race fixing-stable, can not relatively rotate, are fixed on by connecting ring on bearing outer ring, can ensure that connecting ring can not move axially.
In above-mentioned Submerged Motor Pumps, described pump housing inwall is fixed with ringwise middle supporting base, above-mentioned fixed support to be fixed in this on supporting base.Middle supporting base and fixed support can keep geo-stationary with the pump housing.
In above-mentioned Submerged Motor Pumps, described support bracket fastened quantity is two, and two described fixed supports are symmetrical arranged relative to pump shaft.Adopt two fixed supports can make the fixing more stable of connecting ring.
Compared with prior art, this Submerged Motor Pumps has the following advantages:
1, the present invention is by being fixed on the pump housing of Submerged Motor Pumps by fixed support, again connecting ring is fixed on fixed support, simultaneously connecting ring is again its circumference to be rotated by wear ring and bearing and the mode of axial restraint is fixed on pump shaft, so, when pump shaft rotates, because connecting ring can not pump shaft generation axial float relatively, also would not there is axial float in pump shaft simultaneously, improves the phenomenon that pump shaft is altered.
2, wear ring is abutted on connecting ring by spring and fitting seat by the present invention, and abuts on bearing by spring by spring cup, improves the working life of connecting ring, and easy for installation.
3, the high and long service life of this Submerged Motor Pumps working stability, efficiency.
Accompanying drawing explanation
Fig. 1 is the structural representation of check configuration in middle pump body of the present invention;
Fig. 2 is the structural representation of altering device on preventing in the present invention;
Fig. 3 is the structure for amplifying schematic diagram at A place in Fig. 1;
Fig. 4 is the structure for amplifying schematic diagram at B place in Fig. 1;
Fig. 5 is the structure for amplifying schematic diagram at C place in Fig. 2;
Fig. 6 is the structural representation of impeller in the present invention.
In figure, 1, the pump housing; 1a, import; 1b, outlet; 1c, pump chamber one; 1d, pump chamber two; 2, motor; 3, pump shaft; 4, impeller; 4a, blade; 4b, impeller base; 4c, impeller cover; 5, output shaft; 6, spiral case; 7, passage; 8, valve body; 9, waterstop; 10, connecting ring; 11, fixed support; 12, coupling; 13, wear ring; 14, spring cup; 15, spring; 16, fitting seat; 17, bearing; 18, middle supporting base; 19, axle sleeve; 20, dividing plate.
Embodiment
Be below 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.
Embodiment one
As depicted in figs. 1 and 2, a kind of Submerged Motor Pumps, comprise the pump housing 1 and motor 2 with import 1a and outlet 1b, motor 2 housing and the pump housing 1 are tightly connected, pump shaft 3 is provided with in the pump housing 1, pump shaft 3 is fixed with four impellers be parallel to each other 4, one end of pump shaft 3 and the output shaft 5 of motor 2 are connected, the other end of pump shaft 3 by axial restraint and circumference rotate mode be arranged on the pump housing 1.Have in the pump housing 1 and import 1a and the pump chamber exporting 1b and be connected, the spiral case 6 keeping with the pump housing 1 sealing is provided with in the pump housing 1, pump shaft 3 is through spiral case 6, impeller 4 is in this spiral case 6, pump chamber one 1c is divided into two by spiral case 6, i.e. pump chamber one 1c and pump chamber two 1d, pump chamber one 1c is connected with import 1a, and pump chamber two 1d is connected with outlet 1b.The passage 7 for flowing through for liquid is offered between the pump housing 1 and spiral case 6, passage 7 one end is connected with pump chamber one 1c, passage 7 the other end is connected with pump chamber two 1d, be provided with in the pump housing 1 and the liquid in pump chamber two 1d can be made to flow in pump chamber one 1c by passage 7 and in pump chamber one 1c, liquid cannot flow to the check configuration in pump chamber two 1d by passage 7, pump shaft 3 also can prevent with one its upwards play anti-on alter device and be connected.
As shown in Figure 1, Figure 3 and Figure 4, check configuration is an one-way valve, one-way valve comprises valve body 8, waterstop 9 and the spring 15 with liquid entering hole and liquid outlet, valve body 8 is fixed in the pump housing 1, and the liquid outlet of valve body 8 is connected with pump chamber one 1c, and the liquid entering hole of valve body 8 is connected with passage 7, spring 15 one end acts in valve body 8, spring 15 the other end acts on waterstop 9, and the another side of waterstop 9 can be resisted against in valve body 8, and the liquid entering hole of valve body 8 can be sealed up.When the pressure in pump chamber one 1c is greater than the pressure in pump chamber two 1d, the liquid in pump chamber one 1c can enter into pump chamber two 1d by impeller 4 smoothly, and waterstop 9 is resisted against in valve body 8 by spring 15, stops the liquid communication in passage 7; When the pressure in pump chamber one 1c is less than the pressure in pump chamber two 1d, the abutment facing of waterstop 9 from valve body 8 can depart from by spring 15, at this moment, liquid just can flow in pump chamber one 1c through passage 7 from pump chamber two 1d, until the pressure of pump chamber one 1c and pump chamber two 1d keeps balance, waterstop 9 just can, under the effect of spring 15, be resisted against in valve body 8, stop the liquid communication in passage 7, ensure that the liquid of pump chamber one 1c can enter into pump chamber two 1d smoothly under the drive of impeller 4.In the present embodiment, valve body 8 is fixed on the spiral case 6 of the pump housing 1 by the mode of welding, adopts the mode of welding can make more stable being fixed in the pump housing 1 of valve body 8, and keeps sealing with spiral case 6.Passage 7 is for being opened in the groove in bar shaped on the pump housing 1 inwall, and the width of passage 7 is 0.6cm to 1.6cm, and in the present embodiment, the width of this passage 7 is 1.0cm.This passage 7 can make liquid flow to pump chamber one 1c from pump chamber two 1d smoothly, it is too large that the width of passage 7 can not be arranged, otherwise the bulk strength of Submerged Motor Pumps can be affected, adopt the passage 7 of this numerical value, the flow rate of liquid in passage 7 can either be ensured, the bulk strength of Submerged Motor Pumps can be ensured again simultaneously.Spiral case 6 offers the intercommunicating pore one and intercommunicating pore two that are connected with this groove, the other end of intercommunicating pore one is connected with the liquid entering hole of valve body 8, and the other end of intercommunicating pore two is connected with above-mentioned pump chamber two 1d.Intercommunicating pore one is conducive to the liquid entering hole place of the flow direction one-way valve made in passage 7, and intercommunicating pore two is conducive to making in the liquid stream stand in channel 7 in pump chamber two 1d, thus pump chamber two 1d is communicated with one-way valve.
As shown in Figure 2 and Figure 5, alter device and comprise a connecting ring 10 on anti-, this connecting ring 10 is rotated by circumference and the mode of axial restraint is arranged on pump shaft 3, and this connecting ring 10 is also fixed on the pump housing 1 inwall by a fixed support 11 simultaneously.Submerged Motor Pumps also comprises the output shaft 5 of motor 2, is connected, is also provided with the wear mechanisms that effectively can reduce connecting ring 10 and wear and tear between connecting ring 10 and coupling 12 between output shaft 5 and pump shaft 3 by coupling 12.This coupling 12 can make motor 2 be transferred on pump shaft 3 by dynamically stable, the output shaft 5 of motor 2 is when work, coupling 12 may be driven towards pump shaft 3 play, if active force is directly delivered on connecting ring 10 by coupling 12, in long-term using process, the damage of connecting ring 10 may be caused; By arranging wear mechanisms between connecting ring 10 and coupling 12, effectively can reduce the wearing and tearing of connecting ring 10, improving the working life of connecting ring 10.In the present embodiment, this wear mechanisms comprises spring 15 and wear ring 13, wear ring 13 is set in outside pump shaft 3, spring 15 is set in outside pump shaft 3, spring 15 one end acts on wear ring 13, spring 15 the other end acts on coupling 12, and spring 15 makes wear ring 13 and connecting ring 10 lean, and wear ring 13 adopts graphite material to make.The wear ring 13 adopting this material to make has good abrasion resistant effect, and this spring 15 is in compressive state all the time, and wear ring 13 namely can be made to be resisted against on connecting ring 10 always, thus improves the working life of connecting ring 10.Pump shaft 3 is also arranged with spring cup 14, the other end of above-mentioned spring 15 acts on spring cup 14 one end, spring cup 14 the other end is resisted against on coupling 12, spring cup 14 has the limited part that can prevent spring 15 from departing from spring cup 14, limited part is an annular protrusion perpendicular with the body of spring cup 14, this annular protrusion can ensure that the center line of spring 15 can coincide with the shaft axis of pump shaft 3 always, thus it is even to make spring 15 act on active force on friction ring.Pump shaft 3 is also arranged with fitting seat 16, fitting seat 16 has installation cavity, wear ring 13 is arranged in the installation cavity of fitting seat 16, one end of spring 15 acts on fitting seat 16, also be provided with a dividing plate 20 between the outside of fitting seat 16 and the pump housing 1, this dividing plate 20 can keep the sealing between the pump housing 1 and motor 2.Spring 15 first can act on active force on fitting seat 16, then by fitting seat 16 by force transmission on wear ring 13, what make that wear ring 13 can be stable is resisted against on connecting ring 10.Pump shaft 3 is outer is also arranged with an axle sleeve 19, axle sleeve 19 outer ring is also arranged with bearing 17, pump shaft 3 is fixed on the inner ring of bearing 17 by axle sleeve 19, connecting ring 10 is fixed on bearing 17 outer ring, bearing 17 is rubber bush bearing 17, this rubber bush bearing 17 can for play a supporting role between pump shaft 3 and axle sleeve 19, and pump shaft 3 and bearing 17 inner ring adopt friction tight mode to fix, to ensure pump shaft 3 and bearing 17 fixing-stable.And this connecting ring 10 has an assembly department that can match with bearing 17 outer ring, this assembly department can make connecting ring 10 can fix with bearing 17 outer ring by friction tight mode with bearing 17 outer ring, connecting ring 10 is fixed on bearing 17 outer ring, can ensures that connecting ring 10 can not move axially.The pump housing 1 inwall is fixed with ringwise middle supporting base 18, fixed support 11 to be fixed in this on supporting base 18 by dividing plate 20, and the quantity of fixed support 11 is two, two fixed supports 11 are symmetrical arranged relative to pump shaft 3, adopt two fixed supports 11 can make the fixing more stable of connecting ring 10, middle supporting base 18 and two fixed supports 11 can keep geo-stationary with the pump housing 1.
As shown in Figure 6, in the present embodiment, impeller 4 comprises impeller base 4b, impeller cover 4c and blade 4a, blade 4a is fixed between impeller base 4b and impeller cover 4c, blade 4a comprises and to be used for being arranged on pump shaft 3 and assembly department in the form of sheets and circumference are distributed in the lamellar body outside assembly department, and lamellar body and assembly department are fixed together by integrated mode.The lamellar body of blade 4a offers the through hole that three run through lamellar body, and these through holes are uniformly distributed in the inner side of lamellar body, the side of lamellar body both sides all offers three passages 7 for flowing through for liquid be connected with through hole, passage 7 extends to lamellar body edge, and these passages 7 are also uniformly distributed on lamellar body.When current flow through impeller 4, the current of lamellar body side can flow through from the through hole of lamellar body, flow through the passage 7 of lamellar body, thus flow through impeller 4.The center of assembly department offers the mounting hole one running through assembly department, assembly department offers three fixed holes one, this blade 4a can be installed on the pump shaft 3 of Submerged Motor Pumps by mounting hole one, the mode that this blade 4a is connected by bolt or screw can be fixed on the rotating disc of Submerged Motor Pumps by fixed hole one.Lamellar body and assembly department adopt formed in mould mode one-body molded, and be fixed between impeller base 4b and impeller cover 4c by the mode of spot welding, formed in mould mode is adopted to manufacture simply, processing charges is low, adopt the mode of spot welding to assemble impeller base 4b, impeller cover 4c and blade 4a to facilitate simply again, but also convenient operation.Impeller base 4b and impeller cover 4c offers the mounting hole two corresponding with mounting hole one and mounting hole three respectively, this impeller 4 can be fixed on the pump shaft 3 of Submerged Motor Pumps by mounting hole two and mounting hole three.Impeller base 4b also offers three fixed holes two corresponding with fixed hole one, the mode that this impeller 4 is connected by bolt or screw can be fixed on the rotating disc of Submerged Motor Pumps by fixed hole two.Impeller base 4b and impeller cover 4c all in the form of sheets, and the outer circumferential face of impeller base 4b also offers three breach, and is evenly distributed on the outer circumferential face of impeller base 4b, and this breach is conducive to making current enter into the speed of impeller 4 more fast, and flow more strengthens.
The working principle of this Submerged Motor Pumps is such, Submerged Motor Pumps is put into the bottom, liquid just can enter into pump chamber one 1c from the import 1a of the pump housing 1, then flows through impeller 4 and enter pump chamber two 1d, until liquid is full of pump chamber one 1c and pump chamber two 1d completely, under the effect of motor 2, pump shaft 3 rotates, thus impeller 4 is rotated together, and liquid will flow to pump chamber two 1d from pump chamber one 1c endlessly, finally flow out from the outlet 1b of pump chamber two 1d, achieve the drawing liquid function of this Submerged Motor Pumps.Because liquid flows from the place that the ground directional pressure that pressure is high is low, and when this Submerged Motor Pumps works, under the rotation of pump shaft 3, liquid in pump chamber one 1c can flow to rapidly in pump chamber two 1d, the import 1a of the pump housing 1 will form a region of no pressure, at this moment the pressure of pump chamber one 1c can be less than the pressure of pump chamber two 1d, and this just cannot make liquid flow to pump chamber two 1d from pump chamber one 1c always.By being opened in the passage 7 between the pump housing 1 and spiral case 6 and the one-way valve in the pump housing 1 just can make liquid flow back to pump chamber one 1c from pump chamber two 1d through passage 7, the pressure of pump chamber one 1c and pump chamber two 1d is made again to reach balance, it is final when motor 2 impeller 4 is rotated, the liquid in pump chamber one 1c can be made to flow to pump chamber two 1d smoothly, finally flow out the outlet 1b of the pump housing 1.Output shaft 5 due to motor 2 is joining with pump shaft 3, output shaft 5 is when work, pump shaft 3 may be driven to the pump housing 1 side play, by to rotate with circumference and the mode of the axial restraint connecting ring 10 be fixed on pump shaft 3 just can avoid the axial float of pump shaft 3, improve the stability of Submerged Motor Pumps work.
Embodiment two
The present embodiment with the structure of embodiment one and principle substantially identical, different place is: in this Submerged Motor Pumps, check configuration comprises solenoid valve, PLC, pressure transducer one and pressure transducer two, solenoid valve is arranged in passage 7, PLC is fixed in the pump housing 1, pressure transducer one is arranged in pump chamber one 1c, and pressure transducer two is arranged in pump chamber two 1d, and pressure transducer one, pressure transducer two are all connected with above-mentioned PLC with solenoid valve.Pressure transducer one and pressure transducer two sense pressure one in pump chamber one 1c and pump chamber two 1d and pressure two respectively, and pressure information is passed to PLC, and PLC compares pressure one and pressure two; When pressure two is greater than pressure for the moment, PLC Controlling solenoid valve makes it open, at this moment the liquid in pump chamber two 1d can be flow back in pump chamber one 1c by passage 7, until the pressure in pump chamber two 1d and pump chamber one 1c keeps balancing, then makes it close by PLC Controlling solenoid valve; When pressure two is equal to or less than pressure for the moment, PLC Controlling solenoid valve makes it be in the state of closedown, and the liquid in pump chamber one 1c and pump chamber two 1d can not be flowed by passage 7.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present invention or surmount the scope that appended claims defines.
Although more employ 1 herein, the pump housing; 1a, import; 1b, outlet; 1c, pump chamber one; 1d, pump chamber two; 2, motor; 3, pump shaft; 4, impeller; 4a, blade; 4b, impeller base; 4c, impeller cover; 5, output shaft; 6, spiral case; 7, passage; 8, valve body; 9, waterstop; 10, connecting ring; 11, fixed support; 12, coupling; 13, wear ring; 14, spring cup; 15, spring; 16, fitting seat; 17, bearing; 18, middle supporting base; 19, axle sleeve; 20, the term such as dividing plate, but do not get rid of the possibility using other term.These terms are used to be only used to describe and explain essence of the present invention more easily; The restriction that they are construed to any one additional is all contrary with spirit of the present invention.
Claims (7)
1. a Submerged Motor Pumps, comprise the pump housing (1) and motor (2) with import (1a) and outlet (1b), described motor (2) housing and the pump housing (1) are tightly connected, pump shaft (3) is provided with in the described pump housing (1), described pump shaft (3) is fixed with some impellers (4) be parallel to each other, the output shaft (5) of described pump shaft (3) one end and motor (2) is connected, described pump shaft (3) the other end is by axial restraint and the mode that circumference is rotated is arranged on the pump housing (1), it is characterized in that, described pump shaft (3) also can prevent the connecting ring (10) of its upwards play to be connected with one, be connected by coupling (12) between described motor (2) output shaft (5) and pump shaft (3), the wear mechanisms that can reduce connecting ring (10) and wear and tear also is provided with between described connecting ring (10) and coupling (12), described wear mechanisms comprises spring cup (14), spring (15), fitting seat (16) and wear ring (13), described spring cup (14), spring (15), fitting seat (16) and wear ring (13) are all set on pump shaft (3), described spring (15) one end acts on spring cup (14), described spring (15) the other end acts on fitting seat (16), described spring cup (14) the other end is resisted against on above-mentioned coupling (12), described fitting seat (16) has installation cavity, described wear ring (13) is in described installation cavity, described wear ring (13) upper end is resisted against on above-mentioned connecting ring (10).
2. Submerged Motor Pumps according to claim 1, it is characterized in that, described connecting ring (10) is rotated by circumference and the mode of axial restraint is arranged on pump shaft (3), and described connecting ring (10) is also fixed on the pump housing (1) inwall by a fixed support (11).
3. Submerged Motor Pumps according to claim 2, is characterized in that, described spring cup (14) has the limited part that can prevent spring (15) from departing from spring cup (14).
4. Submerged Motor Pumps according to claim 2, is characterized in that, described wear ring (13) adopts graphite material to make.
5. the Submerged Motor Pumps according to claim 1 or 2 or 3 or 4, it is characterized in that, bearing (17) is arranged with outside described pump shaft (3), described pump shaft (3) is fixed on bearing (17) inner ring, and above-mentioned connecting ring (10) is fixed on bearing (17) outer ring.
6. the Submerged Motor Pumps according to Claims 2 or 3 or 4, it is characterized in that, the described pump housing (1) inwall is fixed with ringwise middle supporting base (18), and above-mentioned fixed support (11) is fixed on supporting base in this (18).
7. the Submerged Motor Pumps according to Claims 2 or 3 or 4, is characterized in that, the quantity of described fixed support (11) is two, and two described fixed supports (11) are symmetrical arranged relative to pump shaft (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210470344.XA CN102913461B (en) | 2012-11-19 | 2012-11-19 | Submersible electric pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210470344.XA CN102913461B (en) | 2012-11-19 | 2012-11-19 | Submersible electric pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102913461A CN102913461A (en) | 2013-02-06 |
| CN102913461B true CN102913461B (en) | 2015-07-01 |
Family
ID=47611976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210470344.XA Active CN102913461B (en) | 2012-11-19 | 2012-11-19 | Submersible electric pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102913461B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2775361Y (en) * | 2005-03-23 | 2006-04-26 | 大连深蓝泵业有限公司 | Double suction pump capable of preventing rotor shaft from left and right jumping |
| CN201269208Y (en) * | 2008-09-12 | 2009-07-08 | 熊文安 | Axial movement controllable submersible electric pump employing graphite slide bearing |
| CN201554692U (en) * | 2009-11-07 | 2010-08-18 | 广东威灵电机制造有限公司 | Rotor component for drainage pumps |
| CN202250882U (en) * | 2011-09-20 | 2012-05-30 | 锦州重型水泵有限公司 | Non-play amount energy-saving multi-sectional water pump |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7520735B2 (en) * | 2003-01-23 | 2009-04-21 | Baker Hughes Incorporated | Nested bellows expansion member for a submersible pump |
| US7163368B2 (en) * | 2003-05-30 | 2007-01-16 | Russell Charles Ide | Hydrodynamic bearing runner for use in tilting pad thrust bearing assemblies for electric submersible pumps |
-
2012
- 2012-11-19 CN CN201210470344.XA patent/CN102913461B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2775361Y (en) * | 2005-03-23 | 2006-04-26 | 大连深蓝泵业有限公司 | Double suction pump capable of preventing rotor shaft from left and right jumping |
| CN201269208Y (en) * | 2008-09-12 | 2009-07-08 | 熊文安 | Axial movement controllable submersible electric pump employing graphite slide bearing |
| CN201554692U (en) * | 2009-11-07 | 2010-08-18 | 广东威灵电机制造有限公司 | Rotor component for drainage pumps |
| CN202250882U (en) * | 2011-09-20 | 2012-05-30 | 锦州重型水泵有限公司 | Non-play amount energy-saving multi-sectional water pump |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102913461A (en) | 2013-02-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204783844U (en) | Horizontal multistage centrifugal pump | |
| CN2913692Y (en) | Centrifugal pump | |
| CN109469624B (en) | High-pressure high-rotation-speed cylindrical centrifugal pump | |
| CN203189321U (en) | Adjustable axial force balancing structure for multistage centrifugal pump with back-to-back impellers | |
| CN102913461B (en) | Submersible electric pump | |
| CN202579208U (en) | Improved magnetic pump | |
| CN108194382B (en) | Coaxial double-head centrifugal pump | |
| CN212536077U (en) | Three-dimensional flow permanent magnet synchronous pipeline type centrifugal pump | |
| CN206929083U (en) | A kind of self-balancing blade wheel structure | |
| CN104728124A (en) | Multi-stage centrifugal pump | |
| CN209164110U (en) | A kind of multi-stage pipeline pump | |
| CN202273871U (en) | Magnetic pump of chemical engineering flow | |
| CN207975012U (en) | A kind of water pump front-end bearing pedestal | |
| CN206972561U (en) | A kind of application submerged pump for conveying particle and viscous media | |
| CN2150371Y (en) | Sealing device for suction ring of pump | |
| CN205135987U (en) | Novel drive screw pump | |
| CN208311057U (en) | A kind of single-suction urine pump mechanical device | |
| CN205135993U (en) | Prevent flowing backward formula material feeding unit | |
| CN206159053U (en) | Vertical single suction type slush pump | |
| CN205154615U (en) | Inverter type material feeding unit | |
| CN217558535U (en) | Rotor pump adopting rubber rotor structure | |
| CN215927800U (en) | Horizontal sewage pump | |
| CN214945044U (en) | Fire pump with check valve | |
| CN210087671U (en) | Runner type liquid film opening ring device of chemical centrifugal pump | |
| CN201818502U (en) | Multistage centrifugal pump with thrust bearing assembly |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200201 Address after: On the south side of the town of Boulder Highway in Wenling city of Taizhou City, Zhejiang province 317525 Patentee after: Zhejiang Dongyin Technology Co., Ltd. Address before: On the south side of the town of Boulder Highway in Wenling city of Taizhou City, Zhejiang province 317525 Patentee before: Zhejiang Dongyin Pump Co., Ltd. |