CN206487688U - A kind of cooling structure to centrifugal pump of horizontal axis pump shaft - Google Patents
A kind of cooling structure to centrifugal pump of horizontal axis pump shaft Download PDFInfo
- Publication number
- CN206487688U CN206487688U CN201621457444.9U CN201621457444U CN206487688U CN 206487688 U CN206487688 U CN 206487688U CN 201621457444 U CN201621457444 U CN 201621457444U CN 206487688 U CN206487688 U CN 206487688U
- Authority
- CN
- China
- Prior art keywords
- pump
- shaft
- pump shaft
- cover
- pump cover
- 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.)
- Expired - Fee Related
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model is related to a kind of cooling structure to centrifugal pump of horizontal axis pump shaft, including the pump housing, pump cover, connecting bolt, pump shaft, impeller, the pump housing and pump cover connect fastening and radial positioning by connecting bolt, impeller is provided with the pump housing, the pump shaft is stretched in the pump housing through pump cover, the impeller is installed on pump shaft, mechanical seal is provided between the pump shaft and pump cover, also include water inlet pipe and outlet pipe, one end of the water inlet pipe is extend into pump cover, it which is provided with valve, the water inlet pipe is located above pump shaft, the external cooling water of the other end of the water inlet pipe, water leg is provided with the pump cover, the water leg is located at the lower section of pump shaft, one end of the outlet pipe is connected with water leg, the other end of the outlet pipe is reached outside pump cover.The utility model improves water pump structure, increases cooling structure, reduces pump shaft temperature, so as to reduce motor bearings temperature, extends the bearing life of motor, reduces maintenance period and maintenance cost.
Description
Technical field
The utility model relates generally to water pump structure field, more particularly to a kind of cooling knot to centrifugal pump of horizontal axis pump shaft
Structure.
Background technology
The structure of centrifugal pump of horizontal axis, as shown in figure 1, impeller 2' is provided with pump housing 1', with spiral shell between pump housing 1' and pump cover 3'
Bolt 6' connections are fastened and radial positioning, and the shaft end that pump shaft 4' is located in pump housing 1' is connected with impeller 2', and pump shaft 4' uses extension shaft
Structure, motor and pump are direct connection structure, and mechanical seal 5' is provided between pump shaft 4' and pump cover 3'.
Its open defect：Motor and pump direct connection, structure are too compact, when medium temperature is too high, and pump shaft temperature rises, due to
The thermal conductivity of metal, makes high temperature be delivered to motor bearings, so that the bearing service life of pump is influenceed, increase maintenance period and maintenance
Cost.
Utility model content
The utility model is in view of the above-mentioned problems, provide a kind of cooling structure to centrifugal pump of horizontal axis pump shaft, it is intended to improve water
Pump configuration, increases cooling structure, so that motor bearings life, reduces maintenance period and maintenance cost.
The purpose of this utility model can be realized by following technical proposals：A kind of cooling to centrifugal pump of horizontal axis pump shaft
Structure, including the pump housing, pump cover, connecting bolt, pump shaft, impeller, the pump housing have pump housing import, the pump housing import and pump cover
Connected by connecting bolt and impeller is provided with fastening and radial positioning, the pump housing, one end of the pump shaft is stretched into through pump cover
To the pump housing, the impeller is installed on the end of pump shaft, mechanical seal is provided between the pump shaft and pump cover, in addition to set
In water inlet pipe and outlet pipe on pump cover, one end of the water inlet pipe is extend into pump cover through the side wall of pump cover, the water inlet
Pipe is provided with valve, and the water inlet pipe is located above pump shaft, and the other end of the water inlet pipe is used for external cooling water, the pump cover
Interior to be provided with water leg, the water leg is located at the lower section of pump shaft, and one end of the outlet pipe is connected with water leg, the outlet pipe
The other end reached through the side wall of pump cover outside pump cover.
Further, the water leg is U-shaped.
Compared with prior art, the utility model has the advantage of：Water pump structure is improved, increases cooling structure, pump is reduced
Axle temperature degree, so as to reduce motor bearings temperature, extends the bearing life of motor, reduces maintenance period and maintenance cost.
Brief description of the drawings
Fig. 1 is the structural representation of prior art.
Fig. 2 is structural representation of the present utility model.
Fig. 3 is cooling structure schematic diagram in pump cover.
Marked in figure as follows：
1 ' the pump housing, 2' impellers, 3' pump covers, 4' pump shafts, 5' mechanical seals, 6' connecting bolts；
1 pump housing, 2 impellers, 3 pump covers, 4 water inlet pipes, 5 valves, 6 mechanical seals, 7 connecting bolts, 8 pump shafts, 9 outlet pipes, 10
Water leg.
Embodiment
Embodiment of the present utility model is described in detail below in conjunction with accompanying drawing, becomes apparent from those skilled in the art
Ground understands how to put into practice the utility model.Although describing the utility model with reference to its preferred embodiment, these
Embodiment is to illustrate, rather than limits scope of the present utility model.
As shown in Figures 2 and 3, a kind of cooling structure to centrifugal pump of horizontal axis pump shaft, including the pump housing 1, pump cover 3, connection spiral shell
Bolt 7, pump shaft 8, impeller 2, the pump housing 1 have pump housing import, and the pump housing import and pump cover 3 are connected tightly by connecting bolt 7
Gu and radial positioning, impeller 2 is provided with the pump housing 1, one end of the pump shaft 8 is stretched in the pump housing 1 through pump cover 3, described
Impeller 2 is installed on the end of pump shaft 8, and mechanical seal 6 is provided between the pump shaft 8 and pump cover 3.
Also include the water inlet pipe 4 and outlet pipe 9 being arranged on pump cover 3, one end of the water inlet pipe 4 passes through the side of pump cover 3
Wall is extend into pump cover 3, and the water inlet pipe 4 is provided with valve 5, and the water inlet pipe 4 is located at the top of pump shaft 8, the water inlet pipe 4
The other end is used in external cooling water, the pump cover 3 be provided with water leg 10, and the water leg 10 is located at the lower section of pump shaft 8, described
One end of outlet pipe 9 is connected with water leg 10, and the side wall of the other end through the pump cover 3 of the outlet pipe 9 is reached outside pump cover 3.
Set when it is implemented, the water inlet pipe 4 is erect, the outlet pipe 9 is horizontally disposed with.
When it is implemented, the water leg 10 is U-shaped.
When pump operation, external cooling water is flowed into from water inlet pipe 4, flows to cooling pump shaft 8 on pump shaft 8, then cooling water
Flow in the water leg on pump cover 3, discharged by outlet pipe 9, so as to reduce motor bearings temperature, prolong the bearing life of motor
It is long, reduce maintenance period and maintenance cost.
It should be pointed out that for the utility model through absolutely proving, can also have a variety of conversion and the implementation of remodeling
Scheme, it is not limited to the specific embodiment of above-mentioned embodiment.Above-described embodiment as just explanation of the present utility model, and
It is not to limitation of the present utility model.In a word, protection domain of the present utility model should include those for ordinary skill
Obvious conversion or replacement and remodeling for personnel, and be determined by the appended claims.
Claims (2)
1. a kind of cooling structure to centrifugal pump of horizontal axis pump shaft, including the pump housing, pump cover, connecting bolt, pump shaft, impeller, the pump
Body has pump housing import, and the pump housing import and pump cover are connected by connecting bolt to be set in fastening and radial positioning, the pump housing
There is impeller, one end of the pump shaft is stretched in the pump housing through pump cover, and the impeller is installed on the end of pump shaft, the pump shaft
Mechanical seal is provided between pump cover, it is characterised in that also including the water inlet pipe and outlet pipe that are arranged on pump cover, the water inlet
One end of pipe is extend into pump cover through the side wall of pump cover, and the water inlet pipe is provided with valve, and the water inlet pipe is located on pump shaft
Side, the other end of the water inlet pipe is used in external cooling water, the pump cover be provided with water leg, and the water leg is located at pump shaft
Lower section, one end of the outlet pipe is connected with water leg, and the side wall of the other end through the pump cover of the outlet pipe reaches pump cover
Outside.
2. the cooling structure according to claim 1 to centrifugal pump of horizontal axis pump shaft, it is characterised in that the water leg is in U
Type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621457444.9U CN206487688U (en) | 2016-12-28 | 2016-12-28 | A kind of cooling structure to centrifugal pump of horizontal axis pump shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621457444.9U CN206487688U (en) | 2016-12-28 | 2016-12-28 | A kind of cooling structure to centrifugal pump of horizontal axis pump shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206487688U true CN206487688U (en) | 2017-09-12 |
Family
ID=59770217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621457444.9U Expired - Fee Related CN206487688U (en) | 2016-12-28 | 2016-12-28 | A kind of cooling structure to centrifugal pump of horizontal axis pump shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206487688U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108869276A (en) * | 2018-08-17 | 2018-11-23 | 江苏新腾宇流体设备制造有限公司 | A kind of more jacket heat-preservation magnetic transmission gear pumps |
| CN114033738A (en) * | 2021-11-30 | 2022-02-11 | 厦门水务集团有限公司 | Shaft seal cooling water accumulation disc of vertical water pump |
-
2016
- 2016-12-28 CN CN201621457444.9U patent/CN206487688U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108869276A (en) * | 2018-08-17 | 2018-11-23 | 江苏新腾宇流体设备制造有限公司 | A kind of more jacket heat-preservation magnetic transmission gear pumps |
| CN114033738A (en) * | 2021-11-30 | 2022-02-11 | 厦门水务集团有限公司 | Shaft seal cooling water accumulation disc of vertical water pump |
| CN114033738B (en) * | 2021-11-30 | 2023-12-12 | 厦门市政水务集团有限公司 | Shaft seal cooling ponding dish of vertical water pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170912 Termination date: 20211228 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |