CN203239583U - Conveniently-disassembled-type single-stage single suction horizontal-type end sucking pump - Google Patents
Conveniently-disassembled-type single-stage single suction horizontal-type end sucking pump Download PDFInfo
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- CN203239583U CN203239583U CN 201320200740 CN201320200740U CN203239583U CN 203239583 U CN203239583 U CN 203239583U CN 201320200740 CN201320200740 CN 201320200740 CN 201320200740 U CN201320200740 U CN 201320200740U CN 203239583 U CN203239583 U CN 203239583U
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- pump
- mechanical seal
- motor
- shaft
- end sucking
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Abstract
The utility model discloses a conveniently-disassembled-type single-stage single suction horizontal-type end sucking pump. The conveniently-disassembled-type single-stage single suction horizontal-type end sucking pump comprises a pump shaft, a coupler and a motor shaft. The pump shaft is connected with the motor shaft through the coupler. The coupler is a clamping-shell type coupler. The conveniently-disassembled-type single-stage single suction horizontal-type end sucking pump further comprises a mechanical seal and a mechanical sealing gland. The mechanical seal is located on one side of the coupler and sleeved on the pump shaft. The mechanical sealing gland is an independent component and is located outside the mechanical seal. The conveniently-disassembled-type single-stage single suction horizontal-type end sucking pump facilitates the replacement of the parts and components.
Description
Technical field
The utility model relates to a kind of end sucking pump, particularly relates 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, such as mechanical seal, motor bearings, need to disintegrate to water pump, the 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 the good carbon steel of magnetic conductivity or Ferritic Stainless Steel, poor corrosion resistance in case pump shaft is corroded, can only be changed rotor, and maintenance cost is high.
Three, pump cover and electric machine support are the integral type structure, and versatility is poor, when beating 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, the pump shaft place supports without bearing and causes the flexible increase of pump shaft, 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 reduce the motor bearings life-span easily to the motor bearings transferring heat.
Eight, pipeline mounted pump is changed impeller needs lifting appliance, wastes time and energy.
Nine, motor bearings is not quick detachable, does not have independently bearing support, and namely bearing support and electric motor end cap are the integral type structure.
The model utility content
Technical problem to be solved in the utility model provides a kind of detachable type single-stage single-suction horizontal end sucking pump, and it is convenient for changing component.
The utility model 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, connects by coupling between pump shaft and the motor shaft.
Preferably, described coupling is the 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 the 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, fix by first bolt between described mechanical seal cover and the bearing support, fix by second bolt between bearing support and a pump cover.
Preferably, an 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, and an adjusting sleeve is arranged between impeller and the 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, be provided with a locking nut between described mechanical seal and the bearing.
Preferably, cover has a motor bearings on the described motor shaft, and the outside of motor bearings is provided with the motor bearings body, fixes by the 3rd bolt between motor bearings body and an electric motor end cap.
Preferably, the below of described motor is provided with a packaged type damping bow.
Positive progressive effect of the present utility model is: one, in the situation that do not dismantle motor and the disintegration pump is changed mechanical seal.Because mechanical seal is the easily damaged parts of water pump, its replacement frequency is the highest, and the utility model adopts coupling, specifically press from both sides coupling, can dismantle easily other component, and adopt independently mechanical seal cover, greatly facilitate the replacing of mechanical seal.Mechanical seal cover and bearing support are all for split designs, and mechanical seal is in the rear portion of bearing, and mechanical seal and bearing support can both take out easily.Two, the utility model has improved the working life of bearing under complex environment, and can be in the situation that do not dismantle motor and the disintegration pump is changed bearing.Bearing also is the easily damaged parts of water pump, and the utility model adopts folder coupling and the bearing support of available jackscrew jack-up independently, make bearing maintenance, change succinctly and make things convenient for.Three, be seawater or when being corrosive, pump shaft can adopt Austenitic Stainless Steel, two phase stainless steel to improve its corrosion resistance at medium.Pump shaft and motor shaft no longer adopt the same axis, change material for pump shaft and provide favourable precondition to adapt to strong corrosive media, make pump shaft can adopt suitable material to adapt to different media.Four, can to reduce pump shaft flexible for bearing of the present utility model, 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 utility model has improved the versatility of serial interior part, has improved serial interior interchangeability of parts, versatility.Cast out in advance the annular projection that a plurality of different sizes and impeller back of the body choma position cooperates at the pump cover position, when the different impeller of adapted, with 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 the pump cover bore size.Between impeller and pump shaft positioning step, add adjusting sleeve, in the situation that impeller shaft hole length change and pump housing runner center line to pump housing ear end face apart from dimensional changes, keep the size constancy of bearing support, mechanical seal cover and pump shaft.The utility model has increased the distance between pump chamber and the motor, has greatly improved the working environment of motor bearings, has prolonged the working life of motor bearings.Six, the utility model 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, such as 304, the type stainless steel such as 304L, 316,316L, 904,904L, two phase stainless steel, need not change the electric machine support material, save material.Seven, design separately independently motor bearings body, namely bearing support is an independent component, can be in the situation that the motor that do not disintegrate, and dismounting, maintaining, replacing bearing are saved manpower, improve motor working life.Eight, the utility model is provided with packaged type damping bow, and packaged type damping bow reduces unit vibration, impeller for convenience detach.Nine, the utility model detachable type single-stage single-suction horizontal end sucking pump is simple and reliable for structure, be easy to safeguard, and low cost of manufacture, versatility is good, can adapt to Korrosionsmedium.
Description of drawings
Fig. 1 is the structural representation of the utility model detachable type single-stage single-suction horizontal end sucking pump.
Fig. 2 is the structural representation of impeller, bearing support, adjusting sleeve in the utility model.
Embodiment
Provide the utility model preferred embodiment below in conjunction with accompanying drawing, to describe the technical solution of the utility model in detail.
As depicted in figs. 1 and 2, the utility model detachable type single-stage single-suction horizontal end sucking pump comprises pump shaft 11, coupling 12, motor shaft 16, connects by coupling 12 between pump shaft 11 and the motor shaft 16.Coupling 12 can be the folder coupling.
Pump shaft and motor shaft all are independent components, and namely 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.
The utility model detachable type single-stage single-suction horizontal end sucking pump also comprises mechanical seal 9 and mechanical seal cover 10, mechanical seal 9 is positioned at a side of coupling 12 and is enclosed within on the pump shaft 11, and mechanical seal cover 10 is an independent component and the outside that is positioned at mechanical seal 9.
The utility model detachable type single-stage single-suction horizontal end sucking pump 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 all have 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 the bearing support 7, fixing by second bolt 22 between bearing support 7 and the pump cover 3, such good fixing effect and be convenient to dismantle.
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.
The utility model detachable type single-stage single-suction horizontal end sucking pump also comprises flushing line return pipe 5, flushing line intake pipe 13, and flushing line return pipe 5, flushing line intake pipe 13 all are connected with mechanical seal cover 10.
Be provided with a locking nut 8 between mechanical seal 9 and the bearing 6, locking nut 8 is used for locking bearing 6.
Cover has a motor bearings 19 on the motor shaft 16, and the outside of motor bearings 19 is provided with motor bearings body 18, fixes by the 3rd bolt 23 between motor bearings body 18 and an electric motor end cap 20.The motor bearings body separates with electric motor end cap, can in the situation that do not disassemble the 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 are convenient to dismantle impeller easily.
The pump housing 1 and packaged type damping bow 14 all are positioned on the base 15, can strengthen stability like this.
The utility model detachable type single-stage single-suction horizontal end sucking pump uses motor driving, by coupling mechanical energy is delivered to impeller, mechanical energy is converted into pressure energy and the kinetic energy of medium by impeller.In order to seal up the press liquid that has of pump chamber, being provided with mechanical seal near the coupling place, in order to guarantee the stability of water pump rotor, below mechanical seal, also be provided with a bearing.Because mechanical seal and bearing all are the easily damaged partss of water pump, need often to change.Because the utility model detachable type single-stage single-suction horizontal end sucking pump all has been designed to an independent component with mechanical seal cover and bearing support, will press from both sides coupling and take apart, take off coupling, then the first bolt is unclamped, can take off mechanical seal, change.With bearing support jack-up, bearing support can be taken off maintaining or replacing with jackscrew.
Those skilled in the art can carry out various remodeling and change to the utility model.Therefore, the utility model has covered various remodeling and the change in the scope that falls into appending claims and equivalent thereof.
Claims (8)
1. 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, connect by coupling between pump shaft and the motor shaft, described coupling is the folder coupling, 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 the pump shaft, and mechanical seal cover is an independent component and the outside that is positioned at mechanical seal.
2. detachable type single-stage single-suction horizontal end sucking pump as claimed in claim 1, 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.
3. detachable type single-stage single-suction horizontal end sucking pump as claimed in claim 2 is characterized in that, fixes by first bolt between described mechanical seal cover and the bearing support, fixes by second bolt between bearing support and a pump cover.
4. detachable type single-stage single-suction horizontal end sucking pump as claimed in claim 3, it is characterized in that, an 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, and an adjusting sleeve is arranged between impeller and the pump shaft positioning step.
5. detachable type single-stage single-suction horizontal end sucking pump as claimed in claim 4 is characterized in that, described motor shaft is connected with a motor, and the outside of motor shaft is provided with electric motor stand.
6. detachable type single-stage single-suction horizontal end sucking pump as claimed in claim 5 is characterized in that, is provided with a locking nut between described mechanical seal and the bearing.
7. detachable type single-stage single-suction horizontal end sucking pump as claimed in claim 6, it is characterized in that, cover has a motor bearings on the described motor shaft, and the outside of motor bearings is provided with the motor bearings body, fixes by the 3rd bolt between motor bearings body and an electric motor end cap.
8. detachable type single-stage single-suction horizontal end sucking pump as claimed in claim 7 is characterized in that, the below of described motor is provided with a packaged type damping bow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320200740 CN203239583U (en) | 2013-04-20 | 2013-04-20 | Conveniently-disassembled-type single-stage single suction horizontal-type end sucking pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320200740 CN203239583U (en) | 2013-04-20 | 2013-04-20 | Conveniently-disassembled-type single-stage single suction horizontal-type end sucking pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203239583U true CN203239583U (en) | 2013-10-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320200740 Expired - Fee Related CN203239583U (en) | 2013-04-20 | 2013-04-20 | Conveniently-disassembled-type single-stage single suction horizontal-type end sucking pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203239583U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104110388A (en) * | 2013-04-20 | 2014-10-22 | 上海申宝泵业有限公司 | Convenient-to-demount single-stage single-suction horizontal end suction pump |
| CN107559209A (en) * | 2017-10-27 | 2018-01-09 | 上海中韩杜科泵业制造有限公司 | A kind of horizontal end suction centrifugal pump |
| CN108591076A (en) * | 2018-05-10 | 2018-09-28 | 约翰斯顿流体科技（无锡）有限公司 | A kind of high temperature modification corrosion resisting centrifugal pump |
| CN108591075A (en) * | 2018-05-10 | 2018-09-28 | 约翰斯顿流体科技（无锡）有限公司 | A kind of single-stage associated mode centrifugal pump |
| CN110630523A (en) * | 2019-10-16 | 2019-12-31 | 襄阳五二五泵业有限公司 | Marine vertical pipeline desulfurization pump |
-
2013
- 2013-04-20 CN CN 201320200740 patent/CN203239583U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104110388A (en) * | 2013-04-20 | 2014-10-22 | 上海申宝泵业有限公司 | Convenient-to-demount single-stage single-suction horizontal end suction pump |
| CN107559209A (en) * | 2017-10-27 | 2018-01-09 | 上海中韩杜科泵业制造有限公司 | A kind of horizontal end suction centrifugal pump |
| CN108591076A (en) * | 2018-05-10 | 2018-09-28 | 约翰斯顿流体科技（无锡）有限公司 | A kind of high temperature modification corrosion resisting centrifugal pump |
| CN108591075A (en) * | 2018-05-10 | 2018-09-28 | 约翰斯顿流体科技（无锡）有限公司 | A kind of single-stage associated mode centrifugal pump |
| CN110630523A (en) * | 2019-10-16 | 2019-12-31 | 襄阳五二五泵业有限公司 | Marine vertical pipeline desulfurization pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20131016 Termination date: 20160420 |