CN206929083U - A kind of self-balancing blade wheel structure - Google Patents
A kind of self-balancing blade wheel structure Download PDFInfo
- Publication number
- CN206929083U CN206929083U CN201720341175.8U CN201720341175U CN206929083U CN 206929083 U CN206929083 U CN 206929083U CN 201720341175 U CN201720341175 U CN 201720341175U CN 206929083 U CN206929083 U CN 206929083U
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- China
- Prior art keywords
- cover plate
- impeller
- baffle
- pump
- pump shaft
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- Control Of Non-Positive-Displacement Pumps (AREA)
Abstract
It the utility model is related to a kind of self-balancing blade wheel structure, including pump case and impeller, the impeller set is on pump shaft, the impeller and the pump shaft are key connection, the impeller includes the cover plate of impeller first and the cover plate of impeller second, the cover plate of impeller first is provided with water inlet, the cover plate of impeller second is provided with pump shaft hole, blade is provided between the cover plate of impeller first and the impeller second cover plate, the cover plate of baffle second is installed on the cover plate of impeller second, the cover plate of baffle second collectively forms the flow channel for liquids in pump chamber with the cover plate of baffle first, the cover plate of baffle second is arranged on pump shaft by sliding bearing.The utility model solves the problems, such as that impeller influences rotor part axial force balance in rotation process because being acted on by the pressure of liquid, simple in construction, securely and reliably so that the service life of pump is extended.
Description
Technical field
A kind of blade wheel structure is the utility model is related to, using in multistage major axis pump configuration, belongs to pump design field.
Background technology
Rotor part is one of important spare part in pump, and it is used for supporting impeller and other revolving parts to be maintained at working position
Normal operation is put, it, which is connected with motor reel by shaft coupling and supports impeller, rotates, the pump shaft in rotor part
Moment can be born, impeller can also receive tungsten alloys, should avoid and reduce stress concentration ensureing that axial force is put down from structure
Weighing apparatus, multistage long-shaft pump is because the special and complexity of rotor is with greater need for attention problems.
Utility model content
The purpose of this utility model is to provide a kind of self-balancing blade wheel structure, makes vane rotor structure keep axial force to put down
Weighing apparatus, avoids and reduces stress concentration, global design is ingenious, simple in construction, securely and reliably.
In order to solve the above problems, the technical solution of the utility model is as follows：A kind of self-balancing blade wheel structure, including pump case
And impeller, the impeller set is on pump shaft, and the impeller and the pump shaft are key connection, and the impeller covers including impeller first
Plate and the cover plate of impeller second, the cover plate of impeller first are provided with water inlet, and the cover plate of impeller second is provided with pump shaft hole, institute
State and blade is provided between the cover plate of impeller first and the cover plate of the impeller second, baffle is installed on the cover plate of impeller second
Second cover plate, the cover plate of baffle second collectively form the flow channel for liquids in pump chamber, the water conservancy diversion with the cover plate of baffle first
The cover plate of body second is arranged on pump shaft by sliding bearing.
In such scheme, one section of cavity is provided with the cover plate of baffle second, is provided with the cover plate of impeller second flat
Weighing apparatus hole, the balance pipe side connect with the cavity in the cover plate of baffle second, in other side and the cover plate of impeller first
Water inlet connection.
In such scheme, the cover plate of baffle first is fixedly mounted on the pump case.
In such scheme, the first slip ring, the impeller are installed between the cover plate of impeller first and the pump case
Second slip ring is installed between two cover plates and the cover plate of the baffle second.
In such scheme, axle sleeve is installed on the pump shaft, the sliding bearing is arranged on the axle sleeve.
In such scheme, the quantity two or more of the balance pipe, axle of the balance pipe along the cover plate of impeller second
Line is in be uniformly and symmetrically distributed.
The beneficial effects of the utility model：The utility model solves impeller in rotation process because of the pressure by liquid
The problem of acting on and influenceing rotor part axial force balance, it is simple in construction, securely and reliably so that the service life of pump is prolonged
It is long.
Brief description of the drawings
Fig. 1 is the utility model assembling schematic diagram.
Fig. 2 is the utility model blade wheel structure figure.
In figure：1. pump case, 2. impellers, 3. the first cover plates of baffle, 4. the second cover plates of baffle, 5. pump shafts, 6. first slide
Rotating ring, 7. second slip rings, 8. axle sleeves, 9. sliding bearing .10. the second cover plates of impeller, 11. the first cover plates of impeller, 12. second
Cover plate choma, 13. first cover plate chomas, 14. balance pipes, 15. pump shaft holes.
Embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments：
As depicted in figs. 1 and 2, the self-balancing blade wheel structure of the present embodiment, including pump case 1 and impeller 2, the impeller 2 are logical
Key connection is crossed on pump shaft 5, impeller 2 coordinates with the gap of pump shaft 5；The impeller 2 includes the first cover plate of impeller 11 and impeller second
Cover plate 10, first cover plate of impeller 11 are provided with water inlet, and second cover plate of impeller 10 is provided with pump shaft hole 15, the leaf
Take turns and blade is provided between the first cover plate 11 and the second cover plate of the impeller 10, water conservancy diversion is installed on second cover plate of impeller 10
The second cover plate of body 4, the first cover plate of baffle 3 are fixedly mounted on pump case 1, second cover plate of baffle 4 and baffle first
Cover plate 3 collectively forms the flow channel for liquids in pump chamber, and axle sleeve 8 is provided with the pump shaft 5, and second cover plate of baffle 4 passes through
Sliding bearing 9 is arranged on axle sleeve 8, is provided with one section of cavity in second cover plate of baffle 4, on second cover plate of impeller 10
Balance pipe 14 is provided with, the side of balance pipe 14 connects with the cavity in second cover plate of baffle 4, other side and impeller
Water inlet connection on first cover plate 11.First slip ring 6 is installed between first cover plate of impeller 11 and the pump case 1,
Second slip ring 7 is installed between second cover plate of impeller 10 and the second cover plate of the baffle 4.
Preferably, in the present embodiment, on the first cover plate choma 13 and the second cover plate of impeller 10 on the first cover plate of impeller 11
The second cover plate choma 12 respectively along pump shaft axially-extending, the first slip ring 6 between the first cover plate choma 13 and pump shaft 1,
Second slip ring 7 is between the second cover plate choma 12 and the second cover plate of baffle 4.
Preferably, multiple balance pipes 14 are symmetrically arranged with along center circumferential on the second cover plate of impeller 10.
Preferably, sliding bearing 9 is axially slidable linear bearing.
Operationally, fluid can produce flow instabilities phenomenon to pump in pump chamber, particularly in the He of the second cover plate of impeller 10
The back side of the first cover plate of impeller 11 can all be acted on by the fluid pressure that changes, when impeller the first cover plate 11 or the second cover plate 10 by
When action of hydraulic force is larger, self-balancing blade wheel structure of the present utility model is in sliding bearing, the first slip ring, the second slip ring
Under effect, square upward sliding of the impeller to stress can be adjusted, now the liquid of the both sides of balance pipe 14 can also follow slip to adapt to
Property supplement flowing, finally realize impeller self-balancing regulation, to reach the overall balance of axial force on rotatable parts.
It is above-described, preferred embodiment only of the present utility model, the scope of the utility model is not limited to, this
Above-described embodiment of utility model can also make a variety of changes, and the equivalent substitution or replacement made on the basis of the above belong to
In the scope of protection of the utility model, the scope of protection of the utility model is defined by claims.
Claims (4)
1. a kind of self-balancing blade wheel structure, including pump case（1）And impeller（2）, the impeller（2）It is sleeved on pump shaft（5）On, it is described
Impeller（2）With the pump shaft（5）For key connection, it is characterised in that the impeller（2）Including the cover plate of impeller first（11）And impeller
Second cover plate（10）, the cover plate of impeller first（11）It is provided with water inlet, the cover plate of impeller second（10）It is provided with pump shaft
Hole（15）, the cover plate of impeller first（11）With the cover plate of impeller second（10）Between be provided with blade, the impeller second
Cover plate（10）On the cover plate of baffle second is installed（4）, the cover plate of baffle second（4）With the cover plate of baffle first（3）Altogether
With the flow channel for liquids formed in pump chamber, the cover plate of baffle second（4）Pass through sliding bearing（9）Installed in pump shaft（5）On；Institute
State the cover plate of baffle first（3）It is fixedly mounted on the pump case（1）On；The cover plate of impeller first（11）With the pump case（1）
Between the first slip ring is installed（6）, the cover plate of impeller second（10）With the cover plate of baffle second（4）Between be provided with
Second slip ring（7）.
A kind of 2. self-balancing blade wheel structure according to claim 1, it is characterised in that the cover plate of baffle second（4）
Inside it is provided with one section of cavity, the cover plate of impeller second（10）On be provided with balance pipe（14）, the balance pipe（14）Side with it is described
The cover plate of baffle second（4）Interior cavity connection, other side and the cover plate of impeller first（11）On water inlet connection.
A kind of 3. self-balancing blade wheel structure according to claim 1 or 2, it is characterised in that the pump shaft（5）On be provided with
Axle sleeve（8）, the sliding bearing（9）Installed in the axle sleeve（8）On.
A kind of 4. self-balancing blade wheel structure according to claim 2, it is characterised in that the balance pipe（14）Quantity two
More than individual, the balance pipe（14）Along the cover plate of impeller second（10）Axis in being uniformly and symmetrically distributed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720341175.8U CN206929083U (en) | 2017-04-01 | 2017-04-01 | A kind of self-balancing blade wheel structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720341175.8U CN206929083U (en) | 2017-04-01 | 2017-04-01 | A kind of self-balancing blade wheel structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206929083U true CN206929083U (en) | 2018-01-26 |
Family
ID=61350367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720341175.8U Active CN206929083U (en) | 2017-04-01 | 2017-04-01 | A kind of self-balancing blade wheel structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206929083U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110131215A (en) * | 2019-06-05 | 2019-08-16 | 广州市昕恒泵业制造有限公司 | A kind of pump baffle structure |
| WO2021017354A1 (en) * | 2019-07-26 | 2021-02-04 | 烟台龙港泵业股份有限公司 | Symmetric type self-balancing central liquid outlet submerged pump device |
-
2017
- 2017-04-01 CN CN201720341175.8U patent/CN206929083U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110131215A (en) * | 2019-06-05 | 2019-08-16 | 广州市昕恒泵业制造有限公司 | A kind of pump baffle structure |
| CN110131215B (en) * | 2019-06-05 | 2024-02-09 | 广州市昕恒泵业制造有限公司 | Flow guiding body structure for pump |
| WO2021017354A1 (en) * | 2019-07-26 | 2021-02-04 | 烟台龙港泵业股份有限公司 | Symmetric type self-balancing central liquid outlet submerged pump device |
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| GR01 | Patent grant |