CN203412819U - Single-suction multi-stage vertical-type centrifugal pump - Google Patents
Single-suction multi-stage vertical-type centrifugal pump Download PDFInfo
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- CN203412819U CN203412819U CN201320449950.3U CN201320449950U CN203412819U CN 203412819 U CN203412819 U CN 203412819U CN 201320449950 U CN201320449950 U CN 201320449950U CN 203412819 U CN203412819 U CN 203412819U
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- axle
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- water
- motor cabinet
- exit end
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Abstract
The utility model relates to a single-suction multi-stage vertical-type centrifugal pump. A pump body consists of a water inlet section (5) on the lower part, a middle section (10) on the middle part, a water outlet section (15) on the middle-upper part and an motor base (25) on the upper part, wherein the water inlet section (5) and the water outlet section (15) are respectively externally communicated with a water inlet and a water outlet. By adopting a combinational structure of an impeller assembly and a guide vane assembly, the single-section multi-stage vertical-type centrifugal pump is a multifunctional product, can convey different media such as tap water and industrial liquid and is applicable to different temperatures, flow rates and pressure ranges and even applicable to non-corrosive liquid or slightly-corrosive liquid under the situation that an appropriate material is selected.
Description
Technical field
The utility model relates to pump machinery technology, especially single-suction multilevel vertical centrifugal pump.
Background technique
The kind of the basic structure pipeline mounted pump of centrifugal pump has a lot, and the essential structure of one step single sucking formula pipeline mounted pump mainly comprises pump case, pump shaft, impeller, suction sleeve, pressure supply water pipe, bottom valve, control valve, pour water funnel and the pump seat of scroll casing shape.
Centrifugal pump is utilize vane rotary and make the centrifugal force of water generates carry out work.Water pump, before startup, must make to be full of water in pump case and suction sleeve, and then starting electrical machinery, makes pump shaft impeller and water do high speed rotary motion, and water, under the effect of centrifugal force, is thrown toward impeller outer edge, flows into the setting-out pipeline of water pump through the runner of volute pump case.Water pump vane center, because water forms vacuum after being thrown out of under the effect of centrifugal force, the water in priming reservoir is just pressed in pump case under the effect of atmospheric pressure, and impeller is by gyrating, make water under the effect of impeller, constantly flow into and flow out, reached the object of carrying water.
Centrifugal pump is utilize vane rotary and make the centrifugal force of water generates carry out work.Water pump, before startup, must make to be full of water in pump case and suction sleeve, and then starting electrical machinery, makes pump shaft impeller and water do high speed rotary motion, and water, under the effect of centrifugal force, is thrown toward impeller outer edge, flows into the setting-out pipeline of water pump through the runner of volute pump case.
Model utility content
The purpose of this utility model is to provide single-suction multilevel vertical centrifugal pump, improves the working efficiency of centrifugal pump, under energy saving condition, increases lift, improves performance.
The purpose of this utility model realizes by following technical measures: the pump housing consists of the motor cabinet on bottom inlet segment, stage casing, middle part, middle and upper part water exit end and top, wherein, inlet segment and water exit end are outwards connected respectively water intake and water outlet, and y series motor is installed on motor cabinet; The board-like coupling of mounting clamp in motor cabinet, y series motor is downwards by clamp plate type coupling coupling shaft; Below clamp plate type coupling, in water exit end, with motor cabinet joint, mechanical seal is installed, under mechanical seal, connects upper back-up ring; Axle is connected in series at least two impellers in stage casing, and by the key on axle, fix respectively, between adjacent two impellers, in axle outer rim, impeller back-up ring is installed with interval, and every impeller is all placed in stator group in stage casing, stator group and impeller sets are coaxially installed, and upper back-up ring is located at final stage stator top, stator group upper end fastening with round nut; Outside axle lower end, be set with the base pressure that is arranged on inlet segment middle part after axle sleeve and cover, shaft-cup is installed in axle lower end, coaxial installation submerged bearing axle sleeve outside.
Especially, mechanical seal lower end fitting machine block circle, the upper press cover that the annular table that mechanical seal top outer rim is outstanding forms is fixed on water exit end upper center downwards by B hex head bolt.
Especially, water exit end outer rim is passed inlet segment outer rim corresponding aperture by turnbuckle from the top down, and turnbuckle end is with fastening nuts, motor cabinet inside bottom edge is fixed to water exit end upper-end surface by interior hexangular cylindrical screw, and motor cabinet upper end-face edge is fixed to y series motor bottom by C hex head bolt and D hexagon nut.
Especially, base pressure lid is fixed on inlet segment middle part downside by A hex head bolt from bottom to top.
The beneficial effects of the utility model are: with impeller sets and stator group cooperating structure, it is a kind of multifunctional product, can carry the various different mediums from tap water to industrial liquid, be adapted to different temperatures, flow and pressure range, selecting, under the suitable condition that is only, to be even applicable to corrosion-free liquid or mildly corrosive liquid.
Accompanying drawing explanation
Fig. 1 is the structural representation of embodiment 1 in the utility model
Reference character comprises: A hex head bolt 1, base pressure lid 2, submerged bearing 3, axle sleeve 4, inlet segment 5, impeller 6, stator group 7, shaft-cup 8, impeller back-up ring 9, stage casing 10, turnbuckle 11, key 12, axle 13, final stage stator 14, water exit end 15, mechanical seal 16, nut 17, B hex head bolt 18, upper back-up ring 19, machine block circle 20, round nut 21, mechanical seal upper press cover 22, interior hexangular cylindrical screw 23, clamp plate type coupling 24, motor cabinet 25, C hex head bolt 26, D hexagon nut 27, y series motor 28.
Embodiment
Realizing device of the present utility model comprises: base pressure lid 2, submerged bearing 3, axle sleeve 4, inlet segment 5, impeller 6, stator group 7, shaft-cup 8, impeller back-up ring 9, stage casing 10, key 12, axle 13, final stage stator 14, water exit end 15, mechanical seal 16, upper back-up ring 19, round nut 21, clamp plate type coupling 24, motor cabinet 25, y series motor 28.
Below in conjunction with drawings and Examples, further illustrate.
Embodiment 1: as shown in Figure 1, the pump housing consists of the motor cabinet 25 on bottom inlet segment 5,10, middle and upper part, stage casing, middle part water exit end 15 and top, wherein, inlet segment 5 and water exit end 15 are outwards connected respectively water intake and water outlet, and y series motor 28 is installed on motor cabinet 25; The board-like coupling 24 of the interior mounting clamp of motor cabinet 25, y series motor 28 is downwards by clamp plate type coupling 24 coupling shafts 13; Below clamp plate type coupling 24, in water exit end 15, with motor cabinet 25 joints, mechanical seal 16 is installed, mechanical seal connects upper back-up ring 19 for 16 times; Axle 13 is at least two impellers of 10 interior serial connections 6 in stage casing, and fixing by the key 12 on axle 13 respectively, between adjacent two impellers 6, in axle 13 outer rims, impeller back-up ring 9 is installed with interval, and interior every impeller 6 is all placed in stator group 7 in stage casing 10, stator group 7 is coaxially installed with 6 groups, impeller, and upper back-up ring 19 is located at stator group 7 final stage stator 14 tops, upper end fastening with round nut 21; After being set with axle sleeve 4 outside axle 13 lower ends, be arranged on the base pressure lid 2 at inlet segment 5 middle parts, shaft-cup 8 is installed in axle 13 lower ends, at the outer coaxial installation submerged bearing 3 of axle sleeve 4.
In aforementioned, mechanical seal 16 lower end fitting machine block circles 20, the upper press cover 22 that the annular table that mechanical seal 16 top outer rims are outstanding forms is fixed on water exit end 15 upper center downwards by B hex head bolt 18.
In aforementioned, base pressure lid 2 is fixed on inlet segment 5 middle part downsides by A hex head bolt 1 from bottom to top.
In aforementioned, water exit end 15 outer rims are passed inlet segment 5 outer rim corresponding apertures by turnbuckle 11 from the top down, and turnbuckle 11 ends are fastening with nut 17, motor cabinet 25 inside bottom edges are fixed to water exit end 15 upper-end surfaces by interior hexangular cylindrical screw 23, and motor cabinet 25 upper end-face edges are fixed to y series motor 28 bottoms by C hex head bolt 26 and D hexagon nut 27.
In the utility model embodiment, by water intake, upwards enter and with impeller sets and stator assembly, close the stage casing lift structure that forms and form fluid operating passage by water outlet output.
In the utility model embodiment, impeller 6 is cores of centrifugal pump, and rotating speed high output is large, and the blade on impeller 6 plays again Main Function, and impeller 6 will be tested by static balancing before assembling.Inner and outer surface on impeller 6 requires smooth, to reduce the frictional loss of current.The pump housing consists of the main body of water pump the motor cabinet 25 on bottom inlet segment 5,10, middle and upper part, stage casing, middle part water exit end 15 and top, play support fixation.The effect of axle 13 is to borrow clamp plate type coupling 24 to be connected with y series motor 28, and the torque of y series motor 28 is passed to impeller 6, so it is the critical piece that transmits mechanical energy.Submerged bearing 3 is the members that are enclosed within axle 13 upper support pump shafts, has two kinds, rolling bearing and sliding bearing.Rolling bearing is used butter to refuel and will suitably be generally 2/3～3/4 volume and can generate heat too much as oiling agent, has again very little sound heating.What sliding bearing was used is that clean oil is made oiling agent, refuels and arrives oil level line.At 85 ℃, generally operate in 60 ℃ of left and right the temperature of water pump operation process middle (center) bearing is the highest.
In the utility model, be a kind of multifunctional product, can carry the various different mediums from tap water to industrial liquid, be adapted to different temperatures, flow and pressure range, selecting, under the suitable condition that is only, to be even applicable to corrosion-free liquid or mildly corrosive liquid.
Claims (4)
1. single-suction multilevel vertical centrifugal pump, comprise base pressure lid (2), submerged bearing (3), axle sleeve (4), inlet segment (5), impeller (6), stator group (7), shaft-cup (8), impeller back-up ring (9), stage casing (10), key (12), axle (13), final stage stator (14), water exit end (15), mechanical seal (16), upper back-up ring (19), round nut (21), clamp plate type coupling (24), motor cabinet (25) and y series motor (28), it is characterized in that: the pump housing is by bottom inlet segment (5), stage casing (10), middle part, the motor cabinet (25) on middle and upper part water exit end (15) and top forms, wherein, inlet segment (5) and water exit end (150) are outwards connected respectively water intake and water outlet, the upper y series motor (28) of installing of motor cabinet (25), the board-like coupling of the interior mounting clamp of motor cabinet (25) (24), y series motor (28) is downwards by clamp plate type coupling (24) coupling shaft (13), in clamp plate type coupling (24) below water exit end (15), with motor cabinet (25) joint, mechanical seal (16) is installed, the upper back-up ring (19) of the lower connection of mechanical seal (16), axle (13) is connected in series at least two impellers (6) in stage casing (10), and fixing by the key (12) on axle (13) respectively, between adjacent two impellers (6), in axle (13) outer rim, impeller back-up ring (9) is installed with interval, and every impeller (6) is all placed in stator group (7) in stage casing (10), stator group (7) is coaxially installed with impeller (6) group, and upper back-up ring (19) is located at stator group (7) upper end final stage stator (14) top fastening with round nut (21), outside axle (13) lower end, be set with that to be arranged on the base pressure lid (2) at inlet segment (5) middle part after axle sleeve (4) upper, shaft-cup (8) is installed in axle (13) lower end, coaxial installation submerged bearing (3) axle sleeve (4) outside.
2. single-suction multilevel vertical centrifugal pump as claimed in claim 1, it is characterized in that, mechanical seal (16) lower end fitting machine block circle (20), the upper press cover (22) that the annular table that mechanical seal (16) top outer rim is outstanding forms is fixed on water exit end (15) upper center downwards by B hex head bolt (18).
3. single-suction multilevel vertical centrifugal pump as claimed in claim 1, it is characterized in that, water exit end (15) outer rim is passed inlet segment (5) outer rim corresponding aperture by turnbuckle (11) from the top down, and turnbuckle (11) end is fastening with nut (17), motor cabinet (25) inside bottom edge is fixed to water exit end (15) upper-end surface by interior hexangular cylindrical screw (23), and motor cabinet (25) upper end-face edge is fixed to y series motor (28) bottom by C hex head bolt (26) and D hexagon nut (27).
4. single-suction multilevel vertical centrifugal pump as claimed in claim 1, is characterized in that, base pressure lid (2) is fixed on inlet segment (5) middle part downside by A hex head bolt (1) from bottom to top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320449950.3U CN203412819U (en) | 2013-07-26 | 2013-07-26 | Single-suction multi-stage vertical-type centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320449950.3U CN203412819U (en) | 2013-07-26 | 2013-07-26 | Single-suction multi-stage vertical-type centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203412819U true CN203412819U (en) | 2014-01-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320449950.3U Expired - Lifetime CN203412819U (en) | 2013-07-26 | 2013-07-26 | Single-suction multi-stage vertical-type centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203412819U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106015012A (en) * | 2016-07-11 | 2016-10-12 | 无锡艾比德泵业有限公司 | Novel vertical multistage pump |
-
2013
- 2013-07-26 CN CN201320449950.3U patent/CN203412819U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106015012A (en) * | 2016-07-11 | 2016-10-12 | 无锡艾比德泵业有限公司 | Novel vertical multistage pump |
| CN106015012B (en) * | 2016-07-11 | 2019-05-17 | 无锡艾比德泵业有限公司 | Model vertical multistage pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140129 |