CN207513843U - Self-balanced multiple-stage centrifugal pump is opened in stable level - Google Patents
Self-balanced multiple-stage centrifugal pump is opened in stable level Download PDFInfo
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- CN207513843U CN207513843U CN201721704551.1U CN201721704551U CN207513843U CN 207513843 U CN207513843 U CN 207513843U CN 201721704551 U CN201721704551 U CN 201721704551U CN 207513843 U CN207513843 U CN 207513843U
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- impeller
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- sets
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Abstract
The utility model is related to self-balanced multiple-stage centrifugal pump technical fields, self-balanced multiple-stage centrifugal pump is opened in especially a kind of stable level, including housing unit and rotor assembly, rotor assembly includes shaft, the intermediate position of shaft has the shaft shoulder, the left end of shaft is fixed with left locating ring by screw, and the right end of shaft is fixed with right locating ring by screw, positive impeller sets and reverse impeller group are symmetrically installed in shaft；By the cooperation of intermediate sleeve and two abutment sleeves by impeller axially position two neighboring in same impeller sets, and it is stuck in the card slot of impeller using the latch correspondence of abutment sleeve end, make intermediate sleeve, abutment sleeve and impeller that can be rotated together with shaft, the abutment sleeve caused by relatively rotating between abutment sleeve and impeller is effectively prevented to be worn, avoid impeller that the axial stability thrown, improve centrifugation pump operation occurs with respect to shaft.
Description
Technical field
The utility model is related to self-balanced multiple-stage centrifugal pump technical field, opened in especially a kind of stable level certainly
Balance centrifugal multistage pump multiple centrifugal pump.
Background technology
Opened in level self-balanced multiple-stage centrifugal pump be usually used in mine drainage, pipeline, water injection, carbon dioxide injection,
Flow charging, reverse osmosis feedwater, offshore platform water filling, the feedwater of coal chemical industry scrubbing tower, middle pressure are adopted with sub-high pressure boiler feedwater, waterpower
The acid-base mediums such as coal, seawater, sewage, oil, chemical-process convey and brine transportation, and self-balanced multiple-stage centrifugal pump includes at present
Multiple impellers being fixed in shaft, impeller generally use are arranged symmetrically, and axis is to power autobalance, without complicated balance
Disk, balancing drum isoequilibrium mechanism, then generally use sleeve carries out axially position between the impeller in shaft, since sleeve is straight
Female connector is located in shaft, therefore, when shaft rotates, is easily relatively rotated between impeller and sleeve, can be made set for a long time
Contact surface between cylinder and impeller is worn, and then the axial length that sleeve occurs shortens, so as to make sleeve can not be to impeller
Be accurately positioned, impeller caused axial float occur, can also send out larger noise, influence centrifuge pump work stability and
Service life.
Utility model content
The technical problems to be solved in the utility model is：In order to solve its impeller of centrifugal pump of the prior art and sleeve it
Between easily relatively rotate, can wear the contact surface between sleeve and impeller for a long time, so occur sleeve axis
It shortens to length, so as to make sleeve that impeller can not be accurately positioned, impeller is caused axial float occur, can also send out larger
Noise, influence centrifuge pump work stability and service life the problem of, now provide opened in a kind of stable level from
Balance centrifugal multistage pump multiple centrifugal pump.
Technical solution is used by the utility model solves its technical problem：It is opened in a kind of stable level from flat
Weigh centrifugal multistage pump multiple centrifugal pump, and including housing unit and rotor assembly, the housing unit includes lower housing and lid is located on lower housing
Upper shell, the rotor assembly include shaft, and the intermediate position of the shaft has the shaft shoulder, and the left end of the shaft passes through screw
Left locating ring is fixed with, the right end of the shaft is fixed with right locating ring by screw, forward direction is symmetrically installed in the shaft
Impeller sets and reverse impeller group, the forward direction impeller sets and reverse impeller group are respectively positioned between upper shell and lower housing；
For the forward direction impeller sets between left locating ring and the shaft shoulder, the reverse impeller group is located at the shaft shoulder and right locating ring
Between, the forward direction impeller sets and reverse impeller group include several impellers being spacedly distributed in shaft, and impeller is all
To being fixed in shaft, intermediate sleeve is equipped between two neighboring impeller in the forward direction impeller sets and reverse impeller group,
The both ends of the intermediate sleeve inner ring wall are respectively provided with oppositely oriented internal thread, on the internal thread at the intermediate sleeve inner ring wall both ends
Be threaded with abutment sleeve, one end end of the abutment sleeve far from intermediate sleeve is extended with latch, on the impeller with
The opposite end face of abutment sleeve offers the card slot to match with latch, and the latch correspondence is fastened in card slot, it is described just
Into impeller sets, the impeller of the leftmost side is against on left locating ring, and the impeller of the rightmost side is against on the shaft shoulder in the forward direction impeller sets,
The impeller of the leftmost side is against on the shaft shoulder in the reverse impeller group, and the impeller of the rightmost side is against right positioning in the reverse impeller group
On ring.
Intermediate sleeve, the both ends of intermediate sleeve are both provided between the two neighboring impeller being located in same impeller sets in this programme
Abutment sleeve is threaded with, two abutment sleeves thereon is located remotely from each other by rotating intermediate sleeve, makes abutment sleeve end
Latch correspondence be stuck in the card slot of impeller, latch realizes axially position of the impeller in shaft tight against the slot bottom of firmly card slot,
Centrifuge pump work when, intermediate sleeve, abutment sleeve and impeller can be rotated with shaft together, effectively prevent abutment sleeve with
Abutment sleeve caused by relatively rotating between impeller is worn, and impeller is avoided to occur axially to throw with respect to shaft, is improved
The stability of centrifugation pump work, wherein, it is made to be drawn close with respect to intermediate sleeve or separate by rotating two abutment sleeves, so as to real
It can now be made and be adaptively adjusted according to the practical spacing between two neighboring impeller.
Preferably, the shaft is integrally formed with the shaft shoulder.
Further, four impellers are respectively provided in the positive impeller sets and reverse impeller group.
Specifically, the impeller is circumferentially fixed in shaft by key.
The beneficial effects of the utility model are：Self-balanced multiple-stage centrifugal pump is opened in the stable level of the utility model
By the cooperation of intermediate sleeve and two abutment sleeves by impeller axially position two neighboring in same impeller sets, and utilize positioning sleeve
The latch correspondence of cylinder end is stuck in the card slot of impeller, makes intermediate sleeve, abutment sleeve and impeller that can be rotated together with shaft,
It effectively prevents the abutment sleeve caused by relatively rotating between abutment sleeve and impeller to be worn, avoids impeller opposite
The axial stability thrown, improve centrifugation pump operation occurs for shaft, wherein, in making it relatively by two abutment sleeves of rotation
Between set draw close or separate, be adaptively adjusted so as to fulfill that can be made according to the practical spacing between two neighboring impeller.
Description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is the schematic diagram that self-balanced multiple-stage centrifugal pump is opened in the stable level of the utility model；
Fig. 2 be opened in the stable level of the utility model in self-balanced multiple-stage centrifugal pump shaft and positive impeller sets and
The cooperation schematic diagram of reverse impeller group；
Fig. 3 is the close-up schematic view of A in Fig. 2；
Fig. 4 is the close-up schematic view of B in Fig. 2；
Fig. 5 is the close-up schematic view of B in Fig. 2；
Fig. 6 is the close-up schematic view of B in Fig. 2.
In figure：1st, lower housing, 2, upper shell, 3, shaft, 3-1, the shaft shoulder, 4, screw, 5, left locating ring, 6, right locating ring,
7th, positive impeller sets, 8, reverse impeller group, 9, impeller, 10, intermediate sleeve, 11, abutment sleeve, 11-1, latch, 12, key.
Specific embodiment
The utility model is described in further detail presently in connection with attached drawing.These attached drawings are simplified schematic diagram,
Only illustrate the basic structure of the utility model in a schematic way, therefore it only shows the composition related with the utility model, direction
It can be only used for helping the description to the feature in attached drawing with reference to (for example, upper and lower, left and right, etc.).Therefore, it is not limiting
Using detailed description below in property meaning processed, and only asked by appended claims and its equivalent form to limit
The range of the theme of protection.
Embodiment 1
As shown in figures 1 to 6, self-balanced multiple-stage centrifugal pump is opened in a kind of stable level, including housing unit and rotor
Component, the housing unit include lower housing 1 and cover the upper shell 2 being located on lower housing 1, and the rotor assembly includes shaft 3,
The intermediate position of the shaft 3 has a shaft shoulder 3-1, and the left end of the shaft 3 is fixed with left locating ring 5 by screw 4, described turn
The right end of axis 3 is fixed with right locating ring 6 by screw 4, and positive impeller sets 7 and reverse impeller are symmetrically installed in the shaft 3
Group 8, the forward direction impeller sets 7 and reverse impeller group 8 are respectively positioned between upper shell 2 and lower housing 1；
For the forward direction impeller sets 7 between left locating ring 5 and shaft shoulder 3-1, the reverse impeller group 8 is located at shaft shoulder 3-1
Between right locating ring 6, the forward direction impeller sets 7 and reverse impeller group 8 include several leaves being spacedly distributed in shaft 3
Wheel 9, and impeller 9 is circumferentially fixed in shaft 3, is located at two neighboring impeller in the forward direction impeller sets 7 and reverse impeller group 8
Intermediate sleeve 10 is equipped between 9, the both ends of the 10 inner ring wall of intermediate sleeve are respectively provided with oppositely oriented internal thread, the centre
Cover and abutment sleeve 11 be threaded on the internal thread at 10 inner ring wall both ends, the abutment sleeve 11 far from intermediate sleeve 10 one
End end is extended with latch 11-1, and the end face opposite with abutment sleeve 11 offers and latch 11-1 phases on the impeller 9
The card slot matched, the latch 11-1 correspondences are fastened in card slot, and the impeller 9 of the leftmost side is against left fixed in the forward direction impeller sets 7
On the ring 5 of position, the impeller 9 of the rightmost side is against on shaft shoulder 3-1 in the forward direction impeller sets 7, the leftmost side in the reverse impeller group 8
Impeller 9 is against on shaft shoulder 3-1, and the impeller 9 of the rightmost side is against on right locating ring 6 in the reverse impeller group 8.
The shaft 3 is integrally formed with shaft shoulder 3-1.
Four impellers 9 are respectively provided in the forward direction impeller sets 7 and reverse impeller group 8.
The impeller 9 is circumferentially fixed in shaft 3 by key 12.
Difference with the prior art is to be all provided between the two neighboring impeller 9 that the utility model is located in same impeller sets
Intermediate sleeve 10 is equipped with, the both ends of intermediate sleeve 10 are threaded with abutment sleeve 11, make thereon two by rotating intermediate sleeve 10
Abutment sleeve 11 is located remotely from each other, and is corresponded to the latch 11-1 of 11 end of abutment sleeve and is stuck in the card slot of impeller 9, latch 11-1 is tight
The slot bottom of card slot is resisted, realizes axially position of the impeller 9 in shaft 3, when centrifuging pump work, intermediate sleeve 10, abutment sleeve
11 and impeller 9 can be rotated together with shaft 3, effectively prevent and relatively rotate between abutment sleeve 11 and impeller 9
Caused abutment sleeve 11 is worn, and impeller 9 is avoided to occur axially to throw with respect to shaft 3, improves the steady of centrifugation pump work
It is qualitative, wherein, it is made to be drawn close or separate with respect to intermediate sleeve 10 by rotating two abutment sleeves 11, so as to fulfill can be according to adjacent
Practical spacing between two impellers 9, which is made, to be adaptively adjusted.
The above-mentioned desirable embodiment according to the utility model is enlightenment, passes through above-mentioned description, relevant staff
Various changes and amendments can be carried out in the range of without departing from this item utility model technological thought completely.This item is practical
Novel technical scope is not limited to the content on specification, it is necessary to determine that its is technical according to right
Range.
Claims (4)
1. open self-balanced multiple-stage centrifugal pump in a kind of stable level, it is characterised in that：Including housing unit and rotor set
Part, the housing unit include lower housing (1) and cover the upper shell (2) being located on lower housing (1), and the rotor assembly includes turning
Axis (3), the intermediate position of the shaft (3) have the shaft shoulder (3-1), and the left end of the shaft (3) is fixed with a left side by screw (4)
Locating ring (5), the right end of the shaft (3) are fixed with right locating ring (6) by screw (4), are symmetrically installed on the shaft (3)
There are positive impeller sets (7) and reverse impeller group (8), the forward direction impeller sets (7) and reverse impeller group (8) are respectively positioned on upper shell
(2) between lower housing (1)；
The forward direction impeller sets (7) are between left locating ring (5) and the shaft shoulder (3-1), and the reverse impeller group (8) is positioned at the shaft shoulder
Between (3-1) and right locating ring (6), the forward direction impeller sets (7) and reverse impeller group (8) include several be spacedly distributed
Impeller (9) in shaft (3), and impeller (9) is circumferentially fixed in shaft (3), the forward direction impeller sets (7) and reverse impeller
Intermediate sleeve (10), the both ends difference of intermediate sleeve (10) the inner ring wall are equipped in group (8) between two neighboring impeller (9)
With oppositely oriented internal thread, abutment sleeve is threaded on the internal thread at intermediate sleeve (10) the inner ring wall both ends
(11), one end end of the abutment sleeve (11) far from intermediate sleeve (10) is extended with latch (11-1), on the impeller (9) with
The opposite end face of abutment sleeve (11) offers the card slot to match with latch (11-1), and the corresponding card of the latch (11-1) is set
In card slot, the impeller (9) of the leftmost side is against on left locating ring (5) in the forward direction impeller sets (7), the forward direction impeller sets
(7) impeller (9) of the rightmost side is against on the shaft shoulder (3-1) in, and the impeller (9) of the leftmost side is against axis in the reverse impeller group (8)
On shoulder (3-1), the impeller (9) of the rightmost side is against on right locating ring (6) in the reverse impeller group (8).
2. open self-balanced multiple-stage centrifugal pump in stable level according to claim 1, it is characterised in that：Described turn
Axis (3) is integrally formed with the shaft shoulder (3-1).
3. open self-balanced multiple-stage centrifugal pump in stable level according to claim 1, it is characterised in that：It is described just
Four impellers (9) are respectively provided with into impeller sets (7) and reverse impeller group (8).
4. open self-balanced multiple-stage centrifugal pump in stable level according to claim 1, it is characterised in that：The leaf
It is circumferentially fixed in shaft (3) by key (12) to take turns (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721704551.1U CN207513843U (en) | 2017-12-08 | 2017-12-08 | Self-balanced multiple-stage centrifugal pump is opened in stable level |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721704551.1U CN207513843U (en) | 2017-12-08 | 2017-12-08 | Self-balanced multiple-stage centrifugal pump is opened in stable level |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207513843U true CN207513843U (en) | 2018-06-19 |
Family
ID=62543621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721704551.1U Active CN207513843U (en) | 2017-12-08 | 2017-12-08 | Self-balanced multiple-stage centrifugal pump is opened in stable level |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207513843U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114483593A (en) * | 2022-01-26 | 2022-05-13 | 湖南凯利特泵业有限公司 | Self-balancing multistage split pump equipment |
-
2017
- 2017-12-08 CN CN201721704551.1U patent/CN207513843U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114483593A (en) * | 2022-01-26 | 2022-05-13 | 湖南凯利特泵业有限公司 | Self-balancing multistage split pump equipment |
| CN114483593B (en) * | 2022-01-26 | 2023-11-24 | 湖南凯利特泵业有限公司 | Self-balancing multistage split pump equipment |
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