CN203130527U - Single-stage vertical direct-connected centrifugal pump with guide vanes - Google Patents
Single-stage vertical direct-connected centrifugal pump with guide vanes Download PDFInfo
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- CN203130527U CN203130527U CN 201320097751 CN201320097751U CN203130527U CN 203130527 U CN203130527 U CN 203130527U CN 201320097751 CN201320097751 CN 201320097751 CN 201320097751 U CN201320097751 U CN 201320097751U CN 203130527 U CN203130527 U CN 203130527U
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- impeller
- pump
- stator
- motor
- pump housing
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Abstract
The utility model discloses a single-stage vertical direct-connected centrifugal pump with guide vanes. The single-stage vertical direct-connected centrifugal pump with the guide vanes comprises a pump body, an impeller, a motor, and the guide vanes arranged at the water outlet portion of the impeller, wherein a guide vane cover plate is arranged on the guide vanes, the guide vane cover plate and the guide vanes are matched to form a flow channel for guiding flows, and a motor shaft of the motor is directly and fixedly connected with the impeller. The single-stage vertical direct-connected centrifugal pump with the guide vanes has the advantages that the periphery of the pump body is a uniform ring shape, so that the force distribution is uniform, and the vibration and the noises of the pump body are reduced; the guide vanes and the guide vane cover plate which are formed by forging are utilized, so that the radial force distribution is more uniform, the flow surface of the flow channel formed by the guide vanes and the guide vane cover plate is flat and smooth, the precision of the flow channel is high, the material performance is good, and the working efficiency of the pump can be effectively improved during an actual operation of the pump; and the impeller can be directly connected with the motor shaft without the need of installing a coupling, so that the time-consuming adjustment and centering are omitted, and therefore the structure is compact.
Description
Technical field
The utility model relates to a kind of single-stage pump, is specifically related to a kind of vertical single-stage direct connection band stator centrifugal pump.
Background technique
Existing vertical single stage centrifugal pump, its structure is the employing scroll casing type pump housing, and stator is not set in the pump housing; The vertical single stage centrifugal pump of this structure structure in a circumferential direction is asymmetric, and the radial force when causing pump housing running distributes very inhomogeneous, and pump housing body vibration is big, and noise is big, is unfavorable for the operation of water pump.
In addition, generally connect by coupling between the motor shaft of this vertical single stage centrifugal pump and the main shaft, the water pump of long-time running especially, its centering to coupling requires high especially, needs the certain manpower and materials check and correction of cost.
In addition, the stator of existing production is cast form, and its wetted surfaces can't be processed, and the wetted surfaces of this stator is often more coarse, influences fluid stable, has reduced the whole efficiency of water pump.
The model utility content
The purpose of this utility model is to provide a kind of vertical single-stage direct connection band stator centrifugal pump, by motor directly being linked to each other with impeller and the split type stator being set, has overcome the above-mentioned shortcoming of existing vertical single stage centrifugal pump, thereby realizes the purpose of this utility model.
The technical problem that the utility model solves can realize by the following technical solutions:
A kind of vertical single-stage direct connection band stator centrifugal pump comprises that the pump housing and is located at the impeller of this pump housing inside, and the water intake of this impeller is vertically installed in pump housing below, and water outlet is horizontally disposed with; The top of the pump housing also is provided with a motor, wherein:
Also be provided with a stator in the pump housing, this stator is located at the water outlet place of impeller, and a stator cover plate is installed on the stator, all offers raceway groove on this stator, the stator cover plate, and raceway groove matches and is formed for the runner of water conservancy diversion jointly;
Pump housing top is provided with a pump cover, and this pump cover upper fixed has a motor cabinet, and motor is installed on this motor cabinet; All offer the through hole that the power supply arbor passes through on motor cabinet, the pump cover, the motor shaft of motor passes through hole directly fixedlys connected with impeller.
In a preferred embodiment of the present utility model, the motor cabinet upper end is provided with exhaust port, and exhaust port is used for discharging the gas of impeller, the formed runner of impeller cover.
In a preferred embodiment of the present utility model, impeller is fixedlyed connected with motor shaft by a fixing bolt, and wherein, fixing bolt enters from the center of impeller inside, passes from the impeller outside and fixedlys connected with the motor shaft bottom.
In a preferred embodiment of the present utility model, the pump housing is specially the housing that a cylindrical is even annular.
In a preferred embodiment of the present utility model, be provided with a mechanical seal between the motor shaft of motor and the motor cabinet.
In a preferred embodiment of the present utility model, the common assembling integral body that forms of impeller, stator, stator cover plate, pump cover, motor cabinet and motor, this assembling integral body can integrally be taken out from the pump housing or install.
The beneficial effects of the utility model are:
Pump housing periphery is annular uniformly, stressed being evenly distributed, and vibration, the noise of the pump housing reduce; Adopt stator, the stator cover plate of forging and molding that radial force is more evenly distributed, the wetted surfaces that forms runner is smooth smooth, runner precision height, and material property is good, can effectively improve the working efficiency of pump when the pump actual operation; Impeller does not need to install coupling and directly is connected with motor shaft, does not need time-consuming adjustment centering, compact structure.
Description of drawings
Fig. 1 is a kind of vertical single-stage direct connection band stator centrifugal pump of the present utility model structural representation in the specific implementation.
Fig. 2 is the partial enlarged drawing of Fig. 1.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with embodiment, further set forth the utility model.
As depicted in figs. 1 and 2, vertical single-stage direct connection band stator centrifugal pump described in the utility model comprises motor 50, motor cabinet 60, the pump housing 100 and impeller 70, and wherein, motor 50 is located on the motor cabinet 60, motor cabinet 60 is fixed on the pump cover 110 of the pump housing 100, and impeller 70 is located in the pump housing 100; Motor 50 is located on the motor cabinet 60 by flange 51 vertical racks on it, the motor shaft 53 of motor 50 down, bolt 52 fixes the flange 51 of motor 50 with motor cabinet 60.
Be provided with impeller 70 in the pump housing 100, the pump housing 100 lower ends are water intake 102, and its left side is circular uniformly for water outlet 103 pump housings 100 peripheries, and impeller 70 is installed in the pump chamber 101 of the pump housing 100 inside.
The entery and delivery port 102 of the entery and delivery port of impeller 70 and the pump housing 100,103 corresponding, this impeller 70 is by directly being connected with the motor shaft 53 of motor 50 with fixing bolt 71, wherein, motor shaft 53 is the extended type motor shaft, its extension from motor 50 is compared with common electric machine, longer relatively, impeller 70 can directly be fixed on this motor shaft 53, need not to install additional coupling; Fixing bolt 71 hammers into from the center in the impeller 70, passes the end face that impeller 70 enters motor shaft 53 bottoms, thereby impeller 70 and motor shaft 53 are fixed.
It is whole that impeller 70, stator 200, stator cover plate 210, pump cover 110, mechanical seal 61, motor cabinet 60 and motor 50 can form an assembling jointly, and the whole dismounting from the pump housing 100 that can be whole of this assembling perhaps is installed in the pump housing 100.
Because the periphery of the pump housing 100 is annular uniformly, stressed being evenly distributed when actual operation makes the vibration of the pump housing reduce, and noise reduces.
Moreover, by stator 20, stator cover plate 210 are installed in the pump housing 100, can make the radial force of pump distribute more even, and because stator 20, stator cover plate 210 are for forging respectively and reprocessing, cooperate the wetted surfaces of the runner that forms smooth smooth, runner precision height, material property is good, can effectively improve the working efficiency of pump when the pump actual operation.
Moreover, because the motor shaft 53 of motor 50 is the extended type motor shaft, can directly be connected with impeller 70 not needing to install under the situation of coupling, do not need time-consuming adjustment centering when mounted, compact structure.
Moreover, because motor cabinet 60 tops are provided with exhaust port, the convenient interior gas of runner of discharging stator 20,210 formation of stator cover plate.
More than show and described basic principle of the present utility model and major character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; that describes in above-described embodiment and the specification just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (6)
1. vertical single-stage direct connection band stator centrifugal pump comprises that the pump housing and is located at the impeller of this pump housing inside, and the water intake of this impeller is vertically installed in pump housing below, and water outlet is horizontally disposed with; The top of the described pump housing also is provided with a motor, it is characterized in that:
Also be provided with a stator in the described pump housing, this stator is located at the water outlet place of described impeller, and a stator cover plate is installed on the stator, all offers raceway groove on this stator, the stator cover plate, and described raceway groove matches and is formed for the runner of water conservancy diversion jointly;
Described pump housing top is provided with a pump cover, and this pump cover upper fixed has a motor cabinet, and described motor is installed on this motor cabinet; All offer the through hole that the power supply arbor passes through on described motor cabinet, the pump cover, the motor shaft of motor passes through hole directly fixedlys connected with impeller.
2. a kind of vertical single-stage direct connection band stator centrifugal pump as claimed in claim 1 is characterized in that, described motor cabinet upper end is provided with exhaust port, and described exhaust port is used for discharging the gas of described impeller, the formed runner of impeller cover.
3. a kind of vertical single-stage direct connection band stator centrifugal pump as claimed in claim 1, it is characterized in that, described impeller is fixedlyed connected with the motor shaft of described motor by a fixing bolt, wherein, described fixing bolt enters from the center of impeller inside, passes from the impeller outside and fixedlys connected with the motor shaft bottom.
4. a kind of vertical single-stage direct connection band stator centrifugal pump as claimed in claim 1 is characterized in that the described pump housing is specially the housing that a cylindrical is even annular.
5. a kind of vertical single-stage direct connection band stator centrifugal pump as claimed in claim 1 is characterized in that, is provided with a mechanical seal between the motor shaft of described motor and the motor cabinet.
6. a kind of vertical single-stage direct connection band stator centrifugal pump as claimed in claim 1, it is characterized in that, the common assembling integral body that forms of described impeller, stator, stator cover plate, pump cover, motor cabinet and motor, this assembling integral body can integrally be taken out from the described pump housing or install.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320097751 CN203130527U (en) | 2013-03-04 | 2013-03-04 | Single-stage vertical direct-connected centrifugal pump with guide vanes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320097751 CN203130527U (en) | 2013-03-04 | 2013-03-04 | Single-stage vertical direct-connected centrifugal pump with guide vanes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203130527U true CN203130527U (en) | 2013-08-14 |
Family
ID=48938509
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320097751 Expired - Fee Related CN203130527U (en) | 2013-03-04 | 2013-03-04 | Single-stage vertical direct-connected centrifugal pump with guide vanes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203130527U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103994080A (en) * | 2014-06-13 | 2014-08-20 | 沈小明 | Super wear-resisting mechanical seal centrifugal pump |
| CN104033393A (en) * | 2013-03-04 | 2014-09-10 | 上海凯泉泵业（集团）有限公司 | Nuclear power AP1000 (Advanced Passive Pressurized Water Reactor) waste heat removal pump |
| CN104088798A (en) * | 2014-06-30 | 2014-10-08 | 广东顺达船舶工程有限公司 | Noise reduction and shock absorption centrifugal pump |
| CN105697414A (en) * | 2016-04-28 | 2016-06-22 | 上海远安流体设备科技有限公司 | High-cleanliness centrifugal pump |
| CN106930969A (en) * | 2017-04-01 | 2017-07-07 | 江苏飞跃机泵集团有限公司 | A kind of vertical long shaft pump base plate |
| CN107191386A (en) * | 2017-07-19 | 2017-09-22 | 宁波天安汽车零部件有限公司 | A kind of water pump |
-
2013
- 2013-03-04 CN CN 201320097751 patent/CN203130527U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104033393A (en) * | 2013-03-04 | 2014-09-10 | 上海凯泉泵业（集团）有限公司 | Nuclear power AP1000 (Advanced Passive Pressurized Water Reactor) waste heat removal pump |
| CN103994080A (en) * | 2014-06-13 | 2014-08-20 | 沈小明 | Super wear-resisting mechanical seal centrifugal pump |
| CN104088798A (en) * | 2014-06-30 | 2014-10-08 | 广东顺达船舶工程有限公司 | Noise reduction and shock absorption centrifugal pump |
| CN104088798B (en) * | 2014-06-30 | 2016-08-24 | 广东顺达船舶工程有限公司 | Noise reduction damping centrifugal pump |
| CN105697414A (en) * | 2016-04-28 | 2016-06-22 | 上海远安流体设备科技有限公司 | High-cleanliness centrifugal pump |
| CN106930969A (en) * | 2017-04-01 | 2017-07-07 | 江苏飞跃机泵集团有限公司 | A kind of vertical long shaft pump base plate |
| CN107191386A (en) * | 2017-07-19 | 2017-09-22 | 宁波天安汽车零部件有限公司 | A kind of water 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: 20130814 |