CN105697381A - Vertical dynamic suspension pump - Google Patents
Vertical dynamic suspension pump Download PDFInfo
- Publication number
- CN105697381A CN105697381A CN201410708378.7A CN201410708378A CN105697381A CN 105697381 A CN105697381 A CN 105697381A CN 201410708378 A CN201410708378 A CN 201410708378A CN 105697381 A CN105697381 A CN 105697381A
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- China
- Prior art keywords
- pump
- impeller
- pump housing
- guide bearing
- vertical dynamic
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Abstract
The invention discloses a vertical dynamic suspension pump. The vertical dynamic suspension pump comprises such parts as a motor, a motor frame, a coupling, a pump base, a water outlet bent pipe, a connecting pipe and a water inlet part. The water inlet part is mounted at the bottom of the pump, and includes a pump body, a pump body guide bearing, a sucking horn, an impeller and a pump cover. A liquid channel upwards extending is formed in the upper part of the pump body; the lower part of the pump body is a hollow structure; the upper part of the pump body is communicated with the lower part; and the pump cover is arranged at the bottom of the pump body for closing the bottom of the pump body. The sucking horn is upwards opened, and is arranged in the center of the lower part of the pump body; and the pump body guide bearing is arranged in the center of the sucking horn, upwards extends, and is connected with the pump shaft. The impeller is connected with the sucking horn, and adopts a structure of a hollow rotating blade; the center of the impeller is connected with the pump body guide bearing; and the motor drives the pump shaft to drive the impeller to rotate. A design method of the dynamic suspension pump breaks through a conventional thought; a water inlet horn is upwards; and water currents are from bottom to top, so that the stress of a thrust bearing is largely relieved, the vibration and the noise are reduced, and the service life of the pump is prolonged.
Description
Technical field
The present invention relates to pump, more particularly, it relates to vertical dynamic levitated pump。
Background technology
Pump is conveying liquid or the machinery making fluid pressurization。It sends mechanical energy or other external energies of prime mover to liquid, liquid energy is made to increase, it is mainly used to carry liquid to include water, oil, acid & alkali liquid, emulsion, suspended emulsion and liquid metal etc., it is possible to conveying liquid, admixture of gas and the liquid containing suspended solids。The technical parameter weighing pump performance has flow, inhales journey, lift, shaft power, water-horse power, efficiency etc.；The types such as volume water pump, vane pump can be divided into according to different operation principles。Displacement pump is that the change utilizing its swept volume of a single chamber is to transmit energy；Vane pump is to utilize the rotary vane interaction with water to transmit energy, has the types such as centrifugal pump, axial-flow pump and mixed-flow pump。
Traditional vertical pump generally adopts receded disk impeller, can produce bigger axial force。Vertical pump conventional design is that water-inlet horn is downward, the bottom-up flowing of current, therefore the hydraulic thrust produced during operating is downward, and the gravity adding upper rotor part is also downward, and the thrust bearing of the pump that stacks up needs to bear bigger axial force。Its result is that thrust bearing temperature raises, and abrasion is accelerated, and shortens the life-span of pump。
Summary of the invention
For the deficiencies in the prior art, the method for designing of the present invention has broken conventional thinking, upwards, current from up to down flow into impeller to water-inlet horn, after increasing energy by the high speed rotating of impeller, flow from bottom to top again, therefore the hydraulic thrust produced during operating is upwards, the gravity of rotor is downward, and stack up basic neutralisation, the thrust bearing of pump is subjected only to slight axial force, it is believed that the rotor of pump is in suspended state。The stress so making thrust bearing alleviates significantly, reduces vibration and noise, extends the life-span of pump。
For achieving the above object, the present invention adopts the following technical scheme that
According to the present invention, it is provided that a kind of vertical dynamic levitated pump, it is characterised in that include pump shaft and water inlet member。Water inlet member is installed on the bottom of pump shaft, and water inlet member includes the pump housing, pump housing guide bearing, suction bell, impeller, pump cover。Pump housing top has the fluid passage stretched upwards, and its underpart is hollow-core construction, and the top of the pump housing is connected with bottom, and pump cover is arranged at the bottom of the pump housing, by airtight bottom the pump housing。Suction bell opening upwards, is arranged at the central authorities of pump housing bottom, and pump housing guide bearing is arranged at the center of suction bell, upwardly extends and connects pump shaft。Impeller connects suction bell, and its structure is the rotating vane of hollow, and the center of impeller is connected with pump housing guide bearing, and impeller rotates with pump shaft for the center of circle。
According to one embodiment of the invention impeller nut and pump cover guide bearing, impeller nut connects the center of impeller from below, and pump cover guide bearing connects impeller nut from below。
According to one embodiment of the invention, the center of pump cover is outwardly, and projection is hollow structure, arranges pump cover guide bearing in projection, and the end of ledge is outlet, and outlet is airtight by plug screw。
According to one embodiment of the invention, between impeller and the pump housing, it is provided with casing ring。
According to one embodiment of the invention, the top of the pump housing is connected with pump housing guide bearing, arranges axle sleeve between the pump housing and pump housing guide bearing。
An enforcement according to the present invention, the vertical dynamic levitated pump of example also includes adapter, and the bottom of adapter connects pump housing top。
According to one embodiment of the invention, vertical dynamic levitated pump also includes Discharging bent-tube, pump seat, shaft coupling, motor rack and motor。
According to one embodiment of the invention, the top of adapter connects shaft coupling, and the outer wall at top fixes pump seat, and its side connects Discharging bent-tube。The outer wall of shaft coupling fixes motor rack, motor rack motor fixed above。
In technique scheme, The present invention reduces the axial force that thrust bearing part bears, reduce the abrasion of part。Thus improve reliability and the life-span of pump。
Accompanying drawing explanation
Fig. 1 is vertical dynamic levitated pump lower section figure；
Fig. 2 is vertical dynamic levitated pump overall schematic。
Detailed description of the invention
Technical scheme is further illustrated below in conjunction with drawings and Examples。
The invention discloses a kind of vertical dynamic levitated pump, including the structure and the annexation that describe above-mentioned all parts below pump shaft 1 and water inlet member 2 in detail。
As it is shown in figure 1, the overall flare shape of water inlet member 2, it includes the pump housing 3, pump housing guide bearing 4, suction bell 5, impeller 6, pump cover 7。The pump housing 3 top has the fluid pipeline stretched upwards, and its underpart is hollow body, and the top of the pump housing 3 is connected with bottom。Suction bell 5 is water inlet, and it is positioned at the pump housing 3 lower central。Pump housing guide bearing 4 is hollow cylinder, is placed in the center of suction bell 5, upwardly extends and connects pump shaft 1。Pump shaft 1 is positioned at the pump housing 3 center for cylinder, and whole runs through the pump housing 3。Impeller 6 connects suction bell 5, and its structure is the rotating vane of hollow, and the center of impeller 6 is connected with pump housing guide bearing 4, and impeller 6 rotates with pump housing guide bearing 4 for the center of circle。In the middle of impeller 6 and the pump housing 3, casing ring 11 is installed。
Continue with Fig. 1, be arranged below impeller nut 8 at impeller 6, and equipped with pump cover guide bearing 9 above pump cover 7。Impeller nut 8 connects the center of impeller 6 from below, and pump cover guide bearing 9 connects impeller nut 8 from below。The similar taper of pump cover 7, is placed in the bottom of the pump housing 3, and the center of pump cover 7 is outwardly, and projection is hollow structure, arranges pump cover guide bearing 9 in projection, and the end of ledge is outlet, and outlet is airtight by plug screw 10, by airtight bottom the pump housing 3。Additionally the top of the pump housing 3 is connected with pump housing guide bearing 9, arranges axle sleeve 12 between the pump housing 3 and pump housing guide bearing 9。
Such as Fig. 2, being connected with adapter 13 on the pump housing 3 top, adapter 13 is cylinder。The top of adapter 13 is connected to shaft coupling 15, and the outer wall at adapter 13 top fixes pump seat 14, and its side connects Discharging bent-tube 16。The outer wall of shaft coupling 15 fixes motor rack 17, motor rack 17 motor 18 fixed above。
The present invention has broken conventional thinking, the suction bell of pump 5 mouthfuls is upwards, liquid enters impeller 6 from top to bottom, after increasing energy by the high speed rotating of impeller 6, flow from bottom to top again, arriving delivery side of pump by the dual channel pump housing 3, adapter 13, Discharging bent-tube 16, a small amount of liquid is flowed downward from pump housing outlet by pump housing guide bearing 4, returns to impeller 6 import。An other road liquid from impeller 6 out after, the gap between impeller 6 back shroud and pump cover 7, enter pump cover guide bearing 9, drained by plug screw 10 with holes。Thus reaching the purpose of lubrication guide bearing。Current from up to down flow into impeller 6, after increasing energy by the high speed rotating of impeller 6, flow from bottom to top again, therefore the hydraulic thrust produced during operating is upwards, the gravity of rotor is downward, stack up basic neutralisation, and the thrust pump housing guide bearing 4 of pump is subjected only to slight axial force, it is believed that the rotor of pump is in suspended state。And the dual channel pump housing is for single channel, major part radial force also can be balanced。The design of the present invention makes the stress of thrust bearing significantly alleviate, and effectively reduces the suction of silt, reduces the abrasion of part, reduces vibration and noise, thus improve reliability and the life-span of pump。
Those of ordinary skill in the art will be appreciated that, above embodiments is intended merely to the explanation present invention, and it is not used as limitation of the invention, as long as in the spirit of the present invention, to the change of embodiment described above, modification all by the Claims scope dropping on the present invention。
Claims (7)
1. a vertical dynamic levitated pump, including pump shaft and water inlet member, it is characterised in that:
Described water inlet member is installed on the bottom of described pump shaft, and described water inlet member includes the pump housing, pump housing guide bearing, suction bell, impeller, pump cover；
Described pump housing top has the fluid passage stretched upwards, and its underpart is hollow-core construction, and the top of the pump housing is connected with bottom, and described pump cover is arranged at the bottom of the described pump housing, by airtight bottom the described pump housing；
Described suction bell opening upwards, is arranged at the central authorities of described pump housing bottom, and described pump housing guide bearing is arranged at the center of described suction bell, upwardly extends and connects described pump shaft；
Described impeller connects described suction bell, and its structure is the rotating vane of hollow, and the center of described impeller is connected with described pump housing guide bearing, and described impeller rotates with described pump shaft for the center of circle。
2. vertical dynamic levitated pump as claimed in claim 1, it is characterised in that also include impeller nut and pump cover guide bearing, described impeller nut connects the center of described impeller from below, and described pump cover guide bearing connects described impeller nut from below。
3. vertical dynamic levitated pump as claimed in claim 2, it is characterised in that the center of described pump cover is outwardly, described projection is hollow structure, arranging described pump cover guide bearing in described projection, the end of described ledge is outlet, and described outlet is airtight by plug screw。
4. vertical dynamic levitated pump as claimed in claim 3, it is characterised in that be provided with casing ring between described impeller and the described pump housing。
5. vertical dynamic levitated pump as claimed in claim 4, it is characterised in that the top of the described pump housing is connected with described pump housing guide bearing, arranges axle sleeve between the described pump housing and described pump housing guide bearing。
6. vertical dynamic levitated pump as claimed in claim 5, it is characterised in that described vertical dynamic levitated pump also includes adapter, the bottom of described adapter connects described pump housing top。
7. vertical dynamic levitated pump as claimed in claim 6, it is characterised in that described vertical dynamic levitated pump also includes Discharging bent-tube, pump seat, shaft coupling, motor rack and motor；
The top of described adapter connects described shaft coupling, and the outer wall at top fixes described pump seat, and its side connects described Discharging bent-tube；
The outer wall of described shaft coupling fixes described motor rack, described motor rack described motor fixed above。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410708378.7A CN105697381A (en) | 2014-11-28 | 2014-11-28 | Vertical dynamic suspension pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410708378.7A CN105697381A (en) | 2014-11-28 | 2014-11-28 | Vertical dynamic suspension pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105697381A true CN105697381A (en) | 2016-06-22 |
Family
ID=56230849
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410708378.7A Pending CN105697381A (en) | 2014-11-28 | 2014-11-28 | Vertical dynamic suspension pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105697381A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108591066A (en) * | 2018-07-13 | 2018-09-28 | 重庆水泵厂有限责任公司 | A kind of axial force self-balancing vertical centrifugal pump |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4620804A (en) * | 1985-05-15 | 1986-11-04 | Goyne Thomas S | Bearing and grease seal structure |
| CN2360642Y (en) * | 1998-12-25 | 2000-01-26 | 曹伟祥 | High effective verticle multi-stage centrifugal pump |
| CN201599246U (en) * | 2009-12-18 | 2010-10-06 | 大耐泵业有限公司 | Large-flow long-shaft submerged pump |
| CN102536834A (en) * | 2010-12-20 | 2012-07-04 | 黄工机械集团有限公司 | Single-stage double-suction and double-outlet deep well pump |
| US20130039754A1 (en) * | 2011-08-11 | 2013-02-14 | Itt | Vertical double-suction pump having beneficial axial thrust |
| CN204386892U (en) * | 2014-11-28 | 2015-06-10 | 上海凯士比泵有限公司 | Vertical dynamic levitated pump |
-
2014
- 2014-11-28 CN CN201410708378.7A patent/CN105697381A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4620804A (en) * | 1985-05-15 | 1986-11-04 | Goyne Thomas S | Bearing and grease seal structure |
| CN2360642Y (en) * | 1998-12-25 | 2000-01-26 | 曹伟祥 | High effective verticle multi-stage centrifugal pump |
| CN201599246U (en) * | 2009-12-18 | 2010-10-06 | 大耐泵业有限公司 | Large-flow long-shaft submerged pump |
| CN102536834A (en) * | 2010-12-20 | 2012-07-04 | 黄工机械集团有限公司 | Single-stage double-suction and double-outlet deep well pump |
| US20130039754A1 (en) * | 2011-08-11 | 2013-02-14 | Itt | Vertical double-suction pump having beneficial axial thrust |
| CN204386892U (en) * | 2014-11-28 | 2015-06-10 | 上海凯士比泵有限公司 | Vertical dynamic levitated pump |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108591066A (en) * | 2018-07-13 | 2018-09-28 | 重庆水泵厂有限责任公司 | A kind of axial force self-balancing vertical centrifugal pump |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20160622 |