CN104110388A - Convenient-to-demount single-stage single-suction horizontal end suction pump - Google Patents
Convenient-to-demount single-stage single-suction horizontal end suction pump Download PDFInfo
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- CN104110388A CN104110388A CN201310137720.8A CN201310137720A CN104110388A CN 104110388 A CN104110388 A CN 104110388A CN 201310137720 A CN201310137720 A CN 201310137720A CN 104110388 A CN104110388 A CN 104110388A
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- pump
- horizontal end
- motor
- mechanical seal
- detachable type
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Abstract
The invention discloses a convenient-to-demount single-stage single-suction horizontal end suction pump which comprises a pump shaft, a coupler and a motor shaft. The pump shaft and the motor shaft are connected through the coupler. The convenient-to-demount single-stage single-suction horizontal end suction pump is convenient in part replacement.
Description
Technical field
The present invention relates to a kind of end sucking pump, particularly relate to a kind of detachable type single-stage single-suction horizontal end sucking pump.
Background technique
There is following problem in existing pipeline mounted pump:
One, change easily damaged parts, as mechanical seal, motor bearings, need to disintegrate to water pump, lifting motor, workload is large, the length that expends time in, expense is high, is unfavorable for user's care and maintenance.
Two, because pump shaft and motor shaft are the same axis, so pump shaft must adopt carbon steel or Ferritic Stainless Steel that magnetic conductivity is good, poor corrosion resistance, once pump shaft is corroded, can only change rotor, and maintenance cost is high.
Three, pump cover and electric machine support are integral type structure, and versatility is poor, when beaten medium is corrosive, need integral body to make stainless steel, and manufacture cost is high.
Four,, because pump rotor weight and impeller axial hydraulic thrust are all born by motor, cause that bearing load is large, the life-span is short, and then affect the reliability of complete equipment.
Five, pump shaft place causes the flexible increase of pump shaft without bearings, and impeller port ring easy to wear place, reduces whole pump efficiency.
Six, the vibration of pipeline mounted pump is large, and component universality is poor.
Seven, pump chamber and motor close together, medium, easily to motor bearings transferring heat, reduces the motor bearings life-span.
Eight, pipeline mounted pump is changed impeller needs lifting appliance, wastes time and energy.
Nine, motor bearings is not quick detachable, there is no independently bearing support, and bearing support and electric motor end cap are integral type structure.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of detachable type single-stage single-suction horizontal end sucking pump, and it is convenient for changing component.
The present invention solves above-mentioned technical problem by following technical proposals: a kind of detachable type single-stage single-suction horizontal end sucking pump, it is characterized in that, described detachable type single-stage single-suction horizontal end sucking pump comprises pump shaft, coupling, motor shaft, between pump shaft and motor shaft, by coupling, connects.
Preferably, described coupling is folder coupling.
Preferably, described detachable type single-stage single-suction horizontal end sucking pump also comprises mechanical seal and mechanical seal cover, and mechanical seal is positioned at a side of coupling and is enclosed within on pump shaft, and mechanical seal cover is an independent component and the outside that is positioned at mechanical seal.
Preferably, described detachable type single-stage single-suction horizontal end sucking pump also comprises bearing and bearing support, and bearing is positioned at a side of mechanical seal, and bearing support is an independent component and the outside that is positioned at bearing.
Preferably, between described mechanical seal cover and bearing support, by first bolt, fix, between bearing support and a pump cover, by second bolt, fix.
Preferably, one end of described pump shaft is connected with an impeller, and the outside of impeller is provided with the pump housing, and pump shaft has a pump shaft positioning step, an adjusting sleeve between impeller and pump shaft positioning step.
Preferably, described motor shaft is connected with a motor, and the outside of motor shaft is provided with electric motor stand.
Preferably, between described mechanical seal and bearing, be provided with a locking nut.
Preferably, on described motor shaft, cover has a motor bearings, and the outside of motor bearings is provided with motor bearings body, between motor bearings body and an electric motor end cap, by the 3rd bolt, fixes.
Preferably, the below of described motor is provided with a packaged type damping bow.
Positive progressive effect of the present invention is: one, in the situation that not dismantling motor and disintegration pump, change mechanical seal.Because mechanical seal is the easily damaged parts of water pump, its replacement frequency is the highest, and the present invention adopts coupling, specifically presss from both sides coupling, can dismantle easily other component, and adopt independently mechanical seal cover, greatly facilitates the replacing of mechanical seal.Mechanical seal cover and bearing support be all for split designs, the rear portion of mechanical seal in bearing, and mechanical seal and bearing support can both take out easily.Two, the present invention has improved the working life of bearing under complex environment, and can in the situation that not dismantling motor and disintegration pump, change bearing.Bearing is also the easily damaged parts of water pump, and the present invention adopts folder coupling and the bearing support of available jackscrew jack-up independently, make bearing maintenance, change succinctly and facilitate.Three, at medium, be seawater or while being corrosive, pump shaft can adopt Austenitic Stainless Steel, two phase stainless steel to improve its corrosion resistance.Pump shaft and motor shaft no longer adopt the same axis, change material provide favourable precondition to adapt to strong corrosive media for pump shaft, make pump shaft can adopt suitable material to adapt to different media.Four, can to reduce pump shaft flexible for bearing of the present invention, reduces damage in impeller.Bearing has increased the stability of the whole rotor of pump, increases the working life of impeller, after the wearing and tearing of impeller port ring place alleviate, has improved the volumetric efficiency of pump.Five, the present invention has improved the versatility of serial interior part, has improved serial interior interchangeability of parts, versatility.At pump cover position, cast out in advance the annular projection that a plurality of different sizes and impeller back of the body choma position coordinates, when the different impeller of adapted, by other use less than machine away.By adjusting motor bearings, unified electric machine support height, only has two kinds of height dimensions.In the time of the different bearing of same pump cover adapted, adopt the mode of increase and decrease bearing support thickness, unify pump cover bore size.Between impeller and pump shaft positioning step, add adjusting sleeve, at impeller shaft hole length change and pump housing runner center line, to pump housing ear end face, apart from dimensional changes in the situation that, keep the size constancy of bearing support, mechanical seal cover and pump shaft.The present invention has increased the distance between pump chamber and motor, has greatly improved the working environment of motor bearings, has extended the working life of motor bearings.Six, the present invention has reduced the manufacture cost of pump when medium is corrosive, the structure that adopts pump cover and electric machine support to separate, when medium is corrosive, only needing change pump cover material is stainless steel, as 304, the type stainless steel such as 304L, 316,316L, 904,904L, two phase stainless steel, do not need to change electric machine support material, save material.Seven, design separately independently motor bearings body, bearing support is an independent component, can be in the situation that not disintegrating motor, and dismounting, maintaining, replacing bearing, save manpower, improves motor working life.Eight, the present invention is provided with packaged type damping bow, and packaged type damping bow reduces unit vibration, impeller for convenience detach.Nine, detachable type single-stage single-suction horizontal end sucking pump of the present invention is simple and reliable for structure, be easy to safeguard, and low cost of manufacture, versatility is good, can adapt to Korrosionsmedium.
Accompanying drawing explanation
Fig. 1 is the structural representation of detachable type single-stage single-suction horizontal end sucking pump of the present invention.
Fig. 2 is the structural representation of impeller, bearing support, adjusting sleeve in the present invention.
Embodiment
Below in conjunction with accompanying drawing, provide preferred embodiment of the present invention, to describe technological scheme of the present invention in detail.
As depicted in figs. 1 and 2, detachable type single-stage single-suction horizontal end sucking pump of the present invention comprises pump shaft 11, coupling 12, motor shaft 16, between pump shaft 11 and motor shaft 16, by coupling 12, connects.Coupling 12 can be folder coupling.
Pump shaft and motor shaft are all independent components, and pump shaft and motor shaft no longer adopt the same axis, make pump shaft can adopt suitable material to adapt to different media.The material of pump shaft can adopt Austenitic Stainless Steel, two phase stainless steel.
Detachable type single-stage single-suction horizontal end sucking pump of the present invention also comprises mechanical seal 9 and mechanical seal cover 10, and mechanical seal 9 is positioned at a side of coupling 12 and is enclosed within on pump shaft 11, and mechanical seal cover 10 is an independent component and the outside that is positioned at mechanical seal 9.
Detachable type single-stage single-suction horizontal end sucking pump of the present invention also comprises bearing 6 and bearing support 7, and bearing 6 is positioned at a side of mechanical seal 9, and bearing support 7 is an independent component and the outside that is positioned at bearing 6.Mechanical seal cover and bearing support have all been designed to an independent component, and the parts such as mechanical seal and bearing support can both take out easily.Stability when bearing has improved pump shaft, impeller, adjusting sleeve, mechanical seal operation.
Fixing by first bolt 21 between mechanical seal cover 10 and bearing support 7, fixing by second bolt 22 between bearing support 7 and a pump cover 3, good fixing effect and be convenient to dismantle like this.
One end of pump shaft 11 is connected with an impeller 2, and the outside of impeller 2 is provided with the pump housing 1.
Pump shaft 11 has a pump shaft positioning step 24, an adjusting sleeve 4 between impeller 2 and pump shaft positioning step 24, and adjusting sleeve 4 prevents from producing gap between pump shaft 11 and impeller 2, thereby prevents to become flexible.Because the end sucking pump of same nominal impeller outer diameter, axis hole size and bearing length differ, so increased the versatility that an adjusting sleeve is adjusted pump shaft.
Detachable type single-stage single-suction horizontal end sucking pump of the present invention also comprises flushing line return pipe 5, flushing line intake pipe 13, and flushing line return pipe 5, flushing line intake pipe 13 are all connected with mechanical seal cover 10.
Motor shaft 16 is connected with a motor 17, and the outside of motor shaft 16 is provided with electric motor stand 18.Electric machine support of the present invention and pump cover adopt structure separately, have improved the versatility of part, when medium is corrosive, can meet usage requirement by changing pump cover material, have good Economy.
Between mechanical seal 9 and bearing 6, be provided with a locking nut 8, locking nut 8 is used for locking bearing 6.
On motor shaft 16, cover has a motor bearings 19, and the outside of motor bearings 19 is provided with motor bearings body 18, fixing by the 3rd bolt 23 between motor bearings body 18 and an electric motor end cap 20.Motor bearings body is separated with electric motor end cap, can, in the situation that not disassembling body motor, only need eject bearing support with jackscrew, i.e. replaceable motor bearings.
The below of motor 17 is provided with a packaged type damping bow 14, and packaged type damping bow reduces unit vibration, and packaged type damping bow has mobility simultaneously, and mobile motor and other parts except the pump housing, be convenient to dismantle impeller easily.
The pump housing 1 and packaged type damping bow 14 are all positioned on a base 15, can strengthen stability like this.
Detachable type single-stage single-suction horizontal end sucking pump of the present invention is used motor to drive, and by coupling, mechanical energy is delivered to impeller, by impeller, mechanical energy is converted into pressure energy and the kinetic energy of medium.In order to seal up the press liquid that has of pump chamber, being provided with mechanical seal near coupling place, in order to guarantee the stability of water pump rotor, below mechanical seal, be also provided with a bearing.Because mechanical seal and bearing are all the easily damaged partss of water pump, need to often change.Because detachable type single-stage single-suction horizontal end sucking pump of the present invention has all been designed to an independent component by mechanical seal cover and bearing support, folder coupling is taken apart, take off coupling, then the first bolt is unclamped, can take off mechanical seal, change.With jackscrew, by bearing support jack-up, bearing support can be taken off to maintaining or replacing.
Those skilled in the art can carry out various remodeling and change to the present invention.Therefore, the present invention has covered various remodeling and the change in the scope that falls into appending claims and equivalent thereof.
Claims (10)
1. a detachable type single-stage single-suction horizontal end sucking pump, is characterized in that, described detachable type single-stage single-suction horizontal end sucking pump comprises pump shaft, coupling, motor shaft, between pump shaft and motor shaft, by coupling, connects.
2. detachable type single-stage single-suction horizontal end sucking pump as claimed in claim 1, is characterized in that, described coupling is folder coupling.
3. detachable type single-stage single-suction horizontal end sucking pump as claimed in claim 2, it is characterized in that, described detachable type single-stage single-suction horizontal end sucking pump also comprises mechanical seal and mechanical seal cover, mechanical seal is positioned at a side of coupling and is enclosed within on pump shaft, and mechanical seal cover is an independent component and the outside that is positioned at mechanical seal.
4. detachable type single-stage single-suction horizontal end sucking pump as claimed in claim 3, it is characterized in that, described detachable type single-stage single-suction horizontal end sucking pump also comprises bearing and bearing support, and bearing is positioned at a side of mechanical seal, and bearing support is an independent component and the outside that is positioned at bearing.
5. detachable type single-stage single-suction horizontal end sucking pump as claimed in claim 4, is characterized in that, between described mechanical seal cover and bearing support, by first bolt, fixes, and between bearing support and a pump cover, by second bolt, fixes.
6. detachable type single-stage single-suction horizontal end sucking pump as claimed in claim 5, it is characterized in that, one end of described pump shaft is connected with an impeller, and the outside of impeller is provided with the pump housing, pump shaft has a pump shaft positioning step, an adjusting sleeve between impeller and pump shaft positioning step.
7. detachable type single-stage single-suction horizontal end sucking pump as claimed in claim 6, is characterized in that, described motor shaft is connected with a motor, and the outside of motor shaft is provided with electric motor stand.
8. detachable type single-stage single-suction horizontal end sucking pump as claimed in claim 7, is characterized in that, is provided with a locking nut between described mechanical seal and bearing.
9. detachable type single-stage single-suction horizontal end sucking pump as claimed in claim 8, it is characterized in that, on described motor shaft, cover has a motor bearings, and the outside of motor bearings is provided with motor bearings body, between motor bearings body and an electric motor end cap, by the 3rd bolt, fixes.
10. detachable type single-stage single-suction horizontal end sucking pump as claimed in claim 9, is characterized in that, the below of described motor is provided with a packaged type damping bow.
Priority Applications (1)
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CN201310137720.8A CN104110388A (en) | 2013-04-20 | 2013-04-20 | Convenient-to-demount single-stage single-suction horizontal end suction pump |
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CN201310137720.8A CN104110388A (en) | 2013-04-20 | 2013-04-20 | Convenient-to-demount single-stage single-suction horizontal end suction pump |
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CN104110388A true CN104110388A (en) | 2014-10-22 |
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CN201310137720.8A Pending CN104110388A (en) | 2013-04-20 | 2013-04-20 | Convenient-to-demount single-stage single-suction horizontal end suction pump |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104564707A (en) * | 2015-01-30 | 2015-04-29 | 朱海川 | Modular efficient maintenance-free bidirectional detachable universal centrifugal pump |
CN104675689A (en) * | 2015-01-24 | 2015-06-03 | 湖州南丰机械制造有限公司 | Connecting support for connecting motor and pump body |
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CN2672335Y (en) * | 2003-12-24 | 2005-01-19 | 上海凯泉泵业(集团)有限公司 | Vertical water lubricating easy repair type single stage centrifugal pump |
CN2672336Y (en) * | 2003-12-24 | 2005-01-19 | 上海凯泉泵业(集团)有限公司 | Vertical oil lubricating easy repair type single stage centrifugal pump |
CN201521448U (en) * | 2009-09-27 | 2010-07-07 | 安徽省天马泵阀集团有限公司 | Easily disassembled pipeline centrifugal pump |
CN102966592A (en) * | 2012-11-19 | 2013-03-13 | 大耐泵业有限公司 | High-pressure tangent pump |
CN203239583U (en) * | 2013-04-20 | 2013-10-16 | 上海申宝泵业有限公司 | Conveniently-disassembled-type single-stage single suction horizontal-type end sucking pump |
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2013
- 2013-04-20 CN CN201310137720.8A patent/CN104110388A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN2672335Y (en) * | 2003-12-24 | 2005-01-19 | 上海凯泉泵业(集团)有限公司 | Vertical water lubricating easy repair type single stage centrifugal pump |
CN2672336Y (en) * | 2003-12-24 | 2005-01-19 | 上海凯泉泵业(集团)有限公司 | Vertical oil lubricating easy repair type single stage centrifugal pump |
CN201521448U (en) * | 2009-09-27 | 2010-07-07 | 安徽省天马泵阀集团有限公司 | Easily disassembled pipeline centrifugal pump |
CN102966592A (en) * | 2012-11-19 | 2013-03-13 | 大耐泵业有限公司 | High-pressure tangent pump |
CN203239583U (en) * | 2013-04-20 | 2013-10-16 | 上海申宝泵业有限公司 | Conveniently-disassembled-type single-stage single suction horizontal-type end sucking pump |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104675689A (en) * | 2015-01-24 | 2015-06-03 | 湖州南丰机械制造有限公司 | Connecting support for connecting motor and pump body |
CN104564707A (en) * | 2015-01-30 | 2015-04-29 | 朱海川 | Modular efficient maintenance-free bidirectional detachable universal centrifugal pump |
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Application publication date: 20141022 |
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