CN203239582U - Conveniently-disassembled-type single-stage single suction vertical centrifugal pump - Google Patents
Conveniently-disassembled-type single-stage single suction vertical centrifugal pump Download PDFInfo
- Publication number
- CN203239582U CN203239582U CN 201320200726 CN201320200726U CN203239582U CN 203239582 U CN203239582 U CN 203239582U CN 201320200726 CN201320200726 CN 201320200726 CN 201320200726 U CN201320200726 U CN 201320200726U CN 203239582 U CN203239582 U CN 203239582U
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- China
- Prior art keywords
- mechanical seal
- pump
- centrifugel
- verticle
- sucking
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- Expired - Fee Related
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Abstract
The utility model discloses a conveniently-disassembled-type single-stage single suction vertical centrifugal pump. The conveniently-disassembled-type single-stage single suction vertical centrifugal 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 vertical centrifugal 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 vertical centrifugal pump facilitates the replacement of the parts and components.
Description
Technical field
The utility model relates to a kind of centrifugal pump, particularly relates to a kind of detachable type single-stage single-sucking verticle centrifugel.
Background technique
There is following problem in existing centrifugal pump:
One, changing easily damaged parts (such as mechanical seal, motor bearings) need to disintegrate and lift by crane motor water pump, and workload is large, the length that expends time in, and the expense height 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 axle 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 institute's fed sheet of a media 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 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 component universality of centrifugal pump is poor.
Seven, pump chamber and motor close together, medium reduce the motor bearings life-span easily to the motor bearings transferring heat.
Eight, 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-sucking verticle centrifugel, 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-sucking verticle centrifugel, it is characterized in that, described detachable type single-stage single-sucking verticle centrifugel comprises pump shaft, coupling, motor shaft, connect by coupling between pump shaft and the motor shaft, coupling is the folder coupling.
Preferably, described detachable type single-stage single-sucking verticle centrifugel 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-sucking verticle centrifugel also comprises bearing and bearing support, and bearing is positioned at the below 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, the bottom 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 impeller has impeller back of the body choma, is provided with the annular projection that cooperates with impeller back of the body choma position at pump cover.
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.
Positive progressive effect of the present utility model is: one, change mechanical seal in the situation of not dismantling motor and disintegration pump.Because mechanical seal is the easily damaged parts of water pump, its replacement frequency is the highest, and the utility model adopts the folder coupling, can dismantle easily other component, and adopt independently mechanical seal cover, greatly facilitates the replacing of mechanical seal.Two, the utility model has improved the working life of bearing under complex environment, and can change bearing in the situation of not dismantling motor and disintegration pump.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.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 of pump housing ear end face apart from dimensional changes, keep the size constancy of bearing support, mechanical seal cover and pump shaft at impeller shaft hole length change and pump housing runner center line.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 of the motor that do not disintegrate, and dismounting, maintaining, replacing bearing are saved manpower, improve motor working life.
Description of drawings
Fig. 1 is the structural representation of the utility model detachable type single-stage single-sucking verticle centrifugel.
Fig. 2 is the structural representation of the elements such as the utility model middle (center) bearing and bearing support.
Fig. 3 is the structural representation of the element such as pump shaft and bearing support in the utility model.
Fig. 4 is the structural representation of the element such as pump cover and impeller 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 shown in Figure 1 to Figure 3, the utility model detachable type single-stage single-sucking verticle centrifugel comprises pump shaft 11, coupling 12, motor shaft 16, connects by coupling 12 between pump shaft 11 and the motor shaft 16, and described coupling 12 is the folder coupling.The utility model adopts the folder coupling, dismantles easily other component, for reserving distance between motor shaft and the pump shaft, just can take out the parts such as mechanical seal cover and bearing support.
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-sucking verticle centrifugel 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 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-sucking verticle centrifugel also comprises bearing 6 and bearing support 7, and bearing 6 is positioned at the below 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.
The bottom of pump shaft 11 is connected with an impeller 2, and the outside of impeller 2 is provided with the pump housing 1.
As shown in Figure 4, impeller 2 has impeller back of the body choma 23, cast out in advance the annular projection 31 that a plurality of different sizes and impeller back of the body choma 23 positions cooperate at pump cover 3 positions, when the different impeller of adapted, with other use less than machine away, perhaps different impellers cooperates with outer cylinder, the inner cylinder of the annular projection of same pump cover respectively, has improved versatility and the interchangeability of pump cover.
The utility model detachable type single-stage single-sucking verticle centrifugel 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 20 on the motor shaft 16, and the outside of motor bearings 20 is provided with motor bearings body 18, fixes by the 3rd bolt 24 between motor bearings body 18 and an electric motor end cap 19.The motor bearings body separates with electric motor end cap, can in the situation of not disassembling the body motor, only need to eject bearing support with jackscrew, i.e. replaceable motor bearings.
Be provided with a pump chamber 17 in the pump housing 1, owing to be provided with the elements such as coupling 12, locking nut 8, increased like this distance between pump chamber 17 and the motor 14, greatly improved the working environment of motor bearings 20, prolonged the working life of motor bearings.
The utility model detachable type single-stage single-sucking verticle centrifugel 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-sucking verticle centrifugel 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.
The utility model detachable type single-stage single-sucking verticle centrifugel mainly is that advantage is to be convenient to safeguard, the easily damaged parts of water pump mainly is mechanical seal, the easily damaged parts of motor mainly is motor bearings, during dismounting mechanical seal, only need coupling is taken off, flushing line return pipe and flushing line intake pipe are pulled down, unclamped the first bolt, mechanical seal can be taken out.In case damage of bearings after having dismantled mechanical seal, as long as locking nut is pulled down, is unclamped the second bolt again, bearing together can be taken out together with bearing support, safeguards replacing.Motor bearings in the motor can together take out motor bearings together with the motor bearings body easily and change in case damage only need be unclamped the 3rd bolt.
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 (7)
1. detachable type single-stage single-sucking verticle centrifugel, it is characterized in that, described detachable type single-stage single-sucking verticle centrifugel comprises pump shaft, coupling, motor shaft, connect by coupling between pump shaft and the motor shaft, coupling is the folder coupling, described detachable type single-stage single-sucking verticle centrifugel 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-sucking verticle centrifugel as claimed in claim 1, it is characterized in that, described detachable type single-stage single-sucking verticle centrifugel also comprises bearing and bearing support, and bearing is positioned at the below of mechanical seal, and bearing support is an independent component and the outside that is positioned at bearing.
3. detachable type single-stage single-sucking verticle centrifugel 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-sucking verticle centrifugel as claimed in claim 3, it is characterized in that the bottom of described pump shaft is connected with an impeller, 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-sucking verticle centrifugel as claimed in claim 4 is characterized in that, described impeller has impeller back of the body choma, is provided with the annular projection that cooperates with impeller back of the body choma position at pump cover.
6. detachable type single-stage single-sucking verticle centrifugel 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-sucking verticle centrifugel 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320200726 CN203239582U (en) | 2013-04-20 | 2013-04-20 | Conveniently-disassembled-type single-stage single suction vertical centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320200726 CN203239582U (en) | 2013-04-20 | 2013-04-20 | Conveniently-disassembled-type single-stage single suction vertical centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203239582U true CN203239582U (en) | 2013-10-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320200726 Expired - Fee Related CN203239582U (en) | 2013-04-20 | 2013-04-20 | Conveniently-disassembled-type single-stage single suction vertical centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203239582U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104061182A (en) * | 2014-06-04 | 2014-09-24 | 沃德富泵业(无锡)有限公司 | Impeller driving device for piping centrifugal pump |
| CN104110389A (en) * | 2013-04-20 | 2014-10-22 | 上海申宝泵业有限公司 | Easy-to-disassemble type single-stage single-suction vertical centrifugal pump |
-
2013
- 2013-04-20 CN CN 201320200726 patent/CN203239582U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104110389A (en) * | 2013-04-20 | 2014-10-22 | 上海申宝泵业有限公司 | Easy-to-disassemble type single-stage single-suction vertical centrifugal pump |
| CN104061182A (en) * | 2014-06-04 | 2014-09-24 | 沃德富泵业(无锡)有限公司 | Impeller driving device for piping centrifugal 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 |
Granted publication date: 20131016 Termination date: 20160420 |
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| CF01 | Termination of patent right due to non-payment of annual fee |