CN206309608U - It is provided with the marine vertical type self-suction centrifugal pump of anti-string drain structure - Google Patents
It is provided with the marine vertical type self-suction centrifugal pump of anti-string drain structure Download PDFInfo
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- CN206309608U CN206309608U CN201621301949.6U CN201621301949U CN206309608U CN 206309608 U CN206309608 U CN 206309608U CN 201621301949 U CN201621301949 U CN 201621301949U CN 206309608 U CN206309608 U CN 206309608U
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- pump
- bearing block
- positioning seat
- string
- shaft
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Abstract
The utility model discloses a kind of marine vertical type self-suction centrifugal pump for being provided with anti-string drain structure, it includes bearing block, positioning seat, seal receptacle, pump case, bottom, impeller, volute, mechanical seal and pump shaft.On the basis of the utility model ensures that hydraulic model is constant, two big structures are made altogether for marine vertical type self-suction centrifugal pump string leakage problem and have improved, one has been directly to save conventional pump cover using coaxial cascaded structure, and structure is greatly simplified without pump cover.Next to that between coaxial bearing block and mechanical seal with positioning seat separately, the mechanical seal operation matter state inside positioning seat is good, that is, produce leakage also from positioning seat outside drain, along with bearing block has provided axle envelope for oneself so that anti-string leakage ability is significantly increased.It follows that the utility model two pass shaft seal structure efficiently solves the problems, such as string leakage in pump, directly improve the operation matter state of bearing block, greatly improve the service life of pump, reduce maintenance cost.
Description
Technical field
The utility model is related to a kind of sealing structure of water pump, and specifically, the utility model is related to one kind to be provided with anti-string
The marine vertical type self-suction centrifugal pump of leakage.
Background technology
Domestic water system, firewater system and the ballast water system configured on ship are conveyed by water pump, because of ship
Cabin space relative narrower, supporting water pump is preferably used and takes up an area few vertical structure.The marine vertical pump of prior art is a kind of special
It is the pump product of marine equipment, the product with compact structure, occupation of land are saved, hydraulic performance is stable, reliable.Marine vertical type self-suction from
Heart pump generally uses necessary electromotor direct-connected water pump structure, and motor damage is caused in order to prevent water pump from leaking in structure, thus pump with
Sealing is provided between motor.Under the conditions of current, the mechanical seal of industry first-selection good seal performance is used as seal at this.Cause
Mechanical seal is placed in pump, its operation conditions is invisible, can only whether leak judges quality by observing at this.It is commercially available peculiar to vessel
The mechanical seal of vertical pump configuration is adjacent with bearing block, and this shaft seal structure is simple, effective, can play the protection to bearing block
Effect, its deficiency is that any barrier is provided between mechanical seal and bearing block, and mechanical seal failure just occurs leak, and outer spilling water is first
It is introduced into adjacent bearing block.Bearing block is a kind of part by lubricant maintenance bearing rotary, once water penetrates into just destroy
The lubricating condition of bearing rotary, the result is that bearing Rapid Damage, until pump is stopped.Because marine vertical pump is placed in cabin
Among, adjacent equipment is more, the interference of phase mutual so that maintenance, maintenance operation are inconvenient, and this fault of construction user is unsatisfied with, system
The maintenance cost for making business is also very big.Thus, it is necessary to make the anti-string drain structure design of marine vertical type self-suction centrifugal pump.
Utility model content
The utility model proposes a kind of marine vertical type self-suction for being provided with anti-string drain structure mainly for the deficiencies in the prior art
Centrifugal pump, the pump double-channel sealing structure is simple, reliable, and significantly, the bearing block for configuring sealing structure does not receive phase for barrier action
The influence of adjacent mechanical seal failure.
The utility model is achieved through the following technical solutions technical goal.
The marine vertical type self-suction centrifugal pump of anti-string drain structure is provided with, it includes bearing block, positioning seat, sealing shroud, pump case, bottom
Lid, impeller, volute, mechanical seal and pump shaft.It is theed improvement is that：The pump case is the housing of built-in axial cavity, is vertically arranged
The equipped volute of pump case inner chamber inner bottom surface, the water channel for linking up water inlet and delivery port is respectively equipped with the wall of side, water inlet passes through whirlpool
Through hole is left in shell UNICOM delivery port, pump case bottom surface, and the bottom that the through hole is tightened by bolts is blocked.The supporting electricity of pump shaft direct connection
The output shaft end of machine, the bearing block being sleeved on pump shaft is respectively arranged at two ends with axle envelope, and axially connection is positioned the bottom face of bearing block
Seat, the bottom inner chamber of positioning seat is axially located by connecting sealing shroud, is in group after the pump shaft configuration mechanical seal in sealing shroud inner chamber
Into pump inside axle envelope.The impeller is the centrifugal wheel of closed type structure, and suction inlet impeller location and installation directed downwardly is in pump shaft shaft end.
The above-mentioned sub-assembly being formed by connecting by pump shaft string is inserted in pump case cavity by bottom of impeller, in positioning seat therein and pump case
Put shoulder and make axially position connection with merging so that impeller and the built-in volute of pump case are with being combined into centrifugal pump structure.
Used as further improvement project, the pump case is provided with anti-turn rib with the faying face of volute.
Used as further improvement project, the water inlet inner face of the pump case configuration is less than 45 ° of acute angle bevel, inclined-plane
Configuration hinge formula turnover panel, the turnover panel that upper end is fixed hangs down by deadweight and leans against on water inlet inner face, and constituting water inlet can enter and can not go out
One-way valve structures.
The utility model compared with prior art, has the positive effect that：
1st, pumping section and bearing block are respectively configured axle envelope, and simple structure, making are easy；
2nd, the axle envelope composition double-channel sealing structure of the mechanical seal of pumping section configuration and bearing block configuration, anti-string leakage effect is good；
3rd, the faying face of pump case and volute is provided with anti-turn rib, can accomplish to save installing space, and positioning can be accomplished again
Accurately, it is easy to loading and unloading；
4th, pump cover is not set in pump case, both simplifies structure, reduce sealing together again, and be easy to part to assemble and repair.
Brief description of the drawings
Fig. 1 is the utility model structural profile schematic diagram.
Fig. 2 is Figure 1A-A generalized sections.
Specific embodiment
Below according to accompanying drawing and in conjunction with the embodiments, the utility model is described in further detail.
The marine vertical type self-suction centrifugal pump for being provided with anti-string drain structure shown in Fig. 1, it includes bearing block 1, positioning seat 2, close
Big envelope 3, pump cover 4, bottom 5, impeller 6, volute 7, mechanical seal 8 and pump shaft 9.The pump case 4 is the pumping section for itself not setting volute
Main component, its middle part is provided with axial cavity from top to bottom, communication water inlet 4.1 is respectively equipped with the side wall of opposite face and is gone out
The inner lead at the mouth of a river 4.2, the equipped plate-like volute 7 in the cavity bottom surface of pump case 4 being vertically arranged forms complete Excellent Hydraulic Model Database of Centrifugal Pump.In order to
Limitation volute 7 is provided with anti-turn rib as shown in Figure 2 with respect to the rotary freedom of pump shaft 9 in the faying face of pump case 4 and volute 7
4.4.The inner face of water inlet 4.1 on the side wall of pump case 4 is lower inclined plane by upper, and inclined-plane oblique angle is in the present embodiment
30°.Hinge formula turnover panel 4.2 is configured in the outer inclined-plane of water inlet 4.1, the turnover panel 4.3 that upper end is fixed hangs down by deadweight and leans against water inlet 4.1
Outer inclined-plane on, this structure formed water inlet 4.1 can enter the one-way valve structures that can not go out.The bottom surface of pump case 4 in the utility model
Leave the through hole for installing bottom 5, herein reserved through hole actually fabrication hole, by dismantling bottom 5, can obtain link up it is extraneous
Axial space, is easy to piggybacking fabrication hole to implement dismounting or the maintenance build-in components of pump case 4.The direct connection necessary electromotor of the pump shaft 9 it is defeated
Go out shaft end, the bearing block 1 being sleeved on pump shaft 9 is respectively arranged at two ends with axle envelope 1.1, and axially connection is positioned the bottom face of bearing block 1
Seat 2, the bottom inner chamber of positioning seat 2 is axially located by connecting sealing shroud 3, is in the configuration mechanical seal of pump shaft 9 in the inner chamber of sealing shroud 3
Pump inside axle envelope is constituted after 8.The impeller 6 is the centrifugal wheel of closed type structure, and the suction inlet location and installation of impeller 6 directed downwardly is in pump shaft
9 shaft ends.The above-mentioned sub-assembly being formed by connecting of being gone here and there by pump shaft 9 is that bottom is inserted in the cavity of pump case 4 with impeller 6, therein fixed
Position seat 2 be connected as axially position with merging with the built-in shoulder of pump case 4 so that the volute 7 built-in with pump case 4 of impeller 6 match somebody with somebody be combined into
Centrifugal pump structure.
On the basis of the utility model ensures that hydraulic model is constant, make two big structures altogether for string leakage problem and improved, one
It is that conventional pump cover is directly saved using coaxial cascaded structure, structure is greatly simplified without pump cover.Next to that coaxial bearing block 1 with
Between mechanical seal 8 with positioning seat 2 separately, the operation matter state of mechanical seal 8 inside positioning seat 2 is good, even if generation is let out
Leakage also from positioning seat 2 outside drain, along with bearing block 1 has provided axle envelope 1.1 for oneself so that it is anti-string leakage ability significantly increase.By
This understands that the utility model two pass shaft seal structure efficiently solves the problems, such as string leakage in pump, directly improves the operation matter of bearing block 1
State, greatly improves the service life of pump, reduces maintenance cost.
Claims (3)
1. it is a kind of be provided with it is anti-string drain structure marine vertical type self-suction centrifugal pump, it include bearing block（1）, positioning seat（2）, sealing shroud
（3）, pump case（4）, bottom（5）, impeller（6）, volute（7）, mechanical seal（8）And pump shaft（9）；It is characterized in that：The pump case
（4）It is the housing of built-in axial cavity, the pump case being vertically arranged（4）Inner chamber inner bottom surface is equipped with volute（7）, communication is respectively equipped with the wall of side
Water inlet（4.1）And delivery port（4.2）Water channel, water inlet（4.1）By volute（7）UNICOM's delivery port（4.2）, pump case（4）
Through hole is left in bottom surface, the bottom that the through hole is tightened by bolts（5）Block；The pump shaft（9）The output shaft of direct connection necessary electromotor
End, is sleeved on pump shaft（9）On bearing block（1）It is respectively arranged at two ends with axle envelope（1.1）, bearing block（1）Bottom face axially connect
Positioning seat（2）, positioning seat（2）Bottom inner chamber be axially located by connecting sealing shroud（3）, it is in sealing shroud（3）Pump shaft in inner chamber
（9）Configuration mechanical seal（8）Pump inside axle envelope is constituted afterwards；The impeller（6）It is the centrifugal wheel of closed type structure, suction inlet is directed downwardly
Impeller（6）Location and installation is in pump shaft（9）Shaft end；It is above-mentioned by pump shaft（9）The sub-assembly that string is formed by connecting is with impeller（6）It is bottom
Insert pump case（4）In cavity, positioning seat therein（2）With pump case（4）Built-in shoulder makees axially position connection with merging so that
Impeller（6）With pump case（4）Built-in volute（7）With being combined into centrifugal pump structure.
2. it is according to claim 1 be provided with it is anti-string drain structure marine vertical type self-suction centrifugal pump, it is characterised in that：The pump
Shell（4）With volute（7）Faying face be provided with anti-turn rib（4.4）.
3. it is according to claim 1 be provided with it is anti-string drain structure marine vertical type self-suction centrifugal pump, it is characterised in that：The pump
Shell（4）The water inlet of configuration（4.1）Inner face is less than 45 ° of acute angle bevel, inclined-plane configuration hinge formula turnover panel（4.3）, upper end
Fixed turnover panel（4.3）Hung down by deadweight and lean against water inlet（4.1）On inner face, water inlet is constituted（4.1）The list that can not go out can be entered
To valve arrangement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621301949.6U CN206309608U (en) | 2016-11-30 | 2016-11-30 | It is provided with the marine vertical type self-suction centrifugal pump of anti-string drain structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621301949.6U CN206309608U (en) | 2016-11-30 | 2016-11-30 | It is provided with the marine vertical type self-suction centrifugal pump of anti-string drain structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206309608U true CN206309608U (en) | 2017-07-07 |
Family
ID=59249478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621301949.6U Expired - Fee Related CN206309608U (en) | 2016-11-30 | 2016-11-30 | It is provided with the marine vertical type self-suction centrifugal pump of anti-string drain structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206309608U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106704202A (en) * | 2016-11-30 | 2017-05-24 | 江苏振华泵业股份有限公司 | Marine vertical self-priming centrifugal pump with inter-leakage preventing structure |
| CN107524626A (en) * | 2017-10-20 | 2017-12-29 | 项达章 | A kind of marine vertical type self-suction centrifugal pump |
-
2016
- 2016-11-30 CN CN201621301949.6U patent/CN206309608U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106704202A (en) * | 2016-11-30 | 2017-05-24 | 江苏振华泵业股份有限公司 | Marine vertical self-priming centrifugal pump with inter-leakage preventing structure |
| CN107524626A (en) * | 2017-10-20 | 2017-12-29 | 项达章 | A kind of marine vertical type self-suction centrifugal pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 225500 Jiangyan Avenue No. 9, Jiangyan District, Taizhou City, Jiangsu Province (Jiangsu Zhenhua Pump Manufacturing Co., Ltd.) Patentee after: Jiangsu Zhenhua Pump Industry Manufacturing Co., Ltd. Address before: 225500 Jiangyan Avenue No. 9, Jiangyan District, Taizhou City, Jiangsu Province (Jiangsu Zhenhua Pump Co., Ltd.) Patentee before: Jiangsu Zhenhua pump Limited by Share Ltd |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No.9 Jiangyan Avenue, Jiangyan Economic Development Zone, Taizhou City, Jiangsu Province (Jiangsu Zhenhua Haike Equipment Technology Co., Ltd.) Patentee after: Jiangsu Zhenhua Haike Equipment Technology Co., Ltd Address before: 225500 Jiangsu Zhenhua Pump Manufacturing Co., Ltd., Jiangyan Road, Jiangyan District, Jiangsu, Taizhou 9 Patentee before: JIANGSU ZHENHUA PUMP MANUFACTURING Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170707 Termination date: 20201130 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |