CN206600304U - A kind of high-performance single-stage double-suction middle-opening formula centrifugal pump - Google Patents
A kind of high-performance single-stage double-suction middle-opening formula centrifugal pump Download PDFInfo
- Publication number
- CN206600304U CN206600304U CN201621465798.8U CN201621465798U CN206600304U CN 206600304 U CN206600304 U CN 206600304U CN 201621465798 U CN201621465798 U CN 201621465798U CN 206600304 U CN206600304 U CN 206600304U
- Authority
- CN
- China
- Prior art keywords
- bearing
- pump
- pump shaft
- mechanical seal
- bearing body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
This practicality discloses a kind of high-performance single-stage double-suction middle-opening formula centrifugal pump, including for accommodating impeller, the pump housing of pump shaft, for sealed two mechanical seal between the pump housing and pump shaft, two bearing bodies for being used to support located at the pump shaft two ends, and for fixing the base support and base of the pump housing, this utility machine is sealed into welded metal-bellows mechanical seal, with applied widely, long lifespan, safe and reliable, leakage rate is few, the features such as good seal performance；Choma is that ditch flute profile effectively can prevent pressure difference from revealing, impeller two ends are adjustable axle cover locking, centering of the impeller with the pump housing can be adjusted, bearing body is air-cooled structure, the running temperature of bearing can effectively be ensured, bearing body is air-cooled structure, can effectively ensure the running temperature of bearing, it is adaptable to petrochemical industry, electric power, nuclear power, desalinization and urban water supply, large hydraulic engineering etc..
Description
Technical field
This practicality is related to centrifugation pump technical field, specifically, more particularly to a kind of high-performance single-stage double-suction middle-opening formula from
Heart pump.
Background technology
Centrifugal pump has the diversified forms such as vertical, horizontal, single-stage, multistage, single suction, double suction, self-priming.Centrifugal pump is to utilize leaf
Wheel rotates and water is occurred centrifugal motion and carry out work.Water pump is before activation, it is necessary to make to be full of water in pump case and suction hose, then
Start motor, pump shaft impeller and water is done high speed rotary motion, water occurs centrifugal motion, impeller outer edge is thrown toward, through snail
The runner of shape pump case flows into the pressure pipe road of water pump.In prior art, single-stage double-suction centrifugal pump is horizontal type middle-opened centrifugal pump,
Mainly it is made up of the pump housing, pump cover, impeller, axle, axle sleeve, sealing ring and bearing block, its entery and delivery port is two below pump axial line
Side, and enter from water inlet, then it is divided to two-way to enter the pump housing from the water inlet of the left and right of pump two, from delivery port after being pressurized through impeller
Output.The centrifugal pump is with its compact conformation, and pump-out is big, and lift it is proper the advantages of, be widely used in factory, mine, city
City, power station plumbing, field irrigation and various hydraulic engineerings.
But seal, the bearing body of traditional single-stage double-suction middle-opening formula centrifugal pump are solid, without cooling device,
The clear water of less than 80 DEG C of conveying or the medium of similar clear water can only be used in.The volume of this structure, bearing body and seal
It is smaller, cost is saved, lubricant also uses grease lubrication, and maintenance and addition lubricating grease are all very convenient, and seal is also simpler
Single, still, this structure is stricter to pumped (conveying) medium temperature requirement, high-temperature lower bearing cisco unity malfunction, sealing
It is less reliable.
Utility model content
For above-mentioned deficiency of the prior art, this practicality discloses a kind of high-performance single-stage double-suction middle-opening formula centrifugal pump,
With long lifespan, sealing property is excellent, the features such as safe and reliable to operation.
This practicality solves the technical scheme that is used of its technical problem：A kind of high-performance single-stage double-suction middle-opening formula centrifugation
Pump, including for accommodating impeller, the pump housing of pump shaft, for sealed two mechanical seal between the pump housing and pump shaft, if
Two bearing bodies for being used to support in the pump shaft two ends, and for fixing the base support and base of the pump housing, the bearing
Body includes non-driven-end bearing body, drive end bearing body, respectively positioned at the left end and right-hand member of pump shaft, is connected by axle sleeve and pump shaft
Connect, the mechanical seal includes anti-drive end mechanical seal and drive end mechanical seal, anti-drive end mechanical seal is located at non-drive
On the right side of the bearing body of moved end, axle sleeve is sealed by machine and is connected with pump shaft, drive end mechanical seal is located on the left of non-driven-end bearing body, leads to
Cross machine envelope axle sleeve to be connected with pump shaft, the mechanical seal is welded metal-bellows mechanical seal, and corrugated header is by fastening spiral shell
Nail is fixed on machine envelope axle sleeve, and corrugated header is hollow form cylinder, and inwall is connected with machine envelope outer wall, bellows one end and bellows
Seat connection, the other end is connected with rotating ring, and rotating ring is to have the first groove on the left of hollow circuit cylinder, inwall, and sealing ring is located at the first groove
It is interior, the second groove is provided with the right side of rotating ring, stationary ring section is I-shaped, and the projection on the left of stationary ring is embedded in the second groove on the right side of rotating ring
Interior, the other end of stationary ring is connected with machine sealed cover, and machine sealed cover is fixed on machine envelope axle sleeve, and water cooling tube is provided with machine sealed cover
Road, retaining ring is fixed by screws on machine sealed cover, relief tube one end and mechanical connection, and the other end connects with balance pipe
Connect, balance pipe is connected with suction casing, the bearing body is located on the outside of mechanical seal, including bearing gland, bearing holder (housing, cover), bearing branch
Frame, bearing inner race, bearing outer ring, rolling element, the bearing holder (housing, cover) is coated on pump shaft, and bearing holder (housing, cover) is connected with bearing gland, bearing
Gland is fixedly connected with the support of bearing by screw, and bearing outer ring is located in the support of bearing, and bearing inner race is connected with pump shaft, is rolled
Body is located between bearing inner race and bearing outer ring, and fan base is hollow cylindrical, is connected with pump shaft, and fan is fixed on fan base
On, the pump shaft is connected with motor output shaft by shaft coupling.
The bearing body designs for self-lubricating, and lubricant is thin oil, and bearing body is cast steel.
The axle sleeve locking apparatus can adjust.
The choma is ditch flute profile.
Having in the drive end bearing body has one group of angular contact ball axle in a set of cylinder roller bearing, non-driven-end bearing body
Hold.
This practicality has advantages below compared with prior art：It is close that this utility machine is sealed into welded metal bellow machinery
Envelope, safe and reliable with applied widely, long lifespan, leakage rate is few, the features such as good seal performance；Choma is that ditch flute profile can have
Effect prevents pressure difference from revealing, and impeller two ends are adjustable axle cover locking, can adjust centering of the impeller with the pump housing, and bearing body is air-cooled
Structure, can effectively ensure the running temperature of bearing, and bearing body is air-cooled structure, can effectively ensure the running temperature of bearing,
Suitable for petrochemical industry, electric power, nuclear power, desalinization and urban water supply, large hydraulic engineering etc..
Brief description of the drawings
Fig. 1 is this practical structural representation；
Fig. 2 is enlarged drawing at A in this practical Fig. 1；
Fig. 3 is enlarged drawing at B in this practical Fig. 1；
In figure：1- non-driven-end bearing bodies, the 2- pump housings, 3- anti-drive end mechanical seals, 4- pump covers, 5- impellers, 6- chomas,
7- balance pipes, 8- axle sleeves, 9- drive end mechanical seals, 10- drive end bearing bodies, 11- shaft couplings, 12- pump shafts, 13- fastening spiral shells
Nail, 14- sealing rings, 15- bellowss, 16- relief tubes, 17- rotating ring 18- stationary rings, 19- spring bases, 20- water cooled pipelines, 21- machines envelope
Gland, 22- retaining rings, 23- machines envelope axle sleeve, 24- base supports, 25- bases, 26- suction casings, 27- bearing holder (housing, cover)s, 28- bearing pressures
Lid, the 29- supports of bearing, 30- bearing outer rings, 31- rolling elements, 32- fans, 33- bearing inner races, 34- fan bases, 35- fans.
Embodiment
This practicality is described in further detail presently in connection with accompanying drawing.These accompanying drawings are simplified schematic diagram, only with
Illustration illustrates this practical basic structure, therefore it only shows the composition relevant with this practicality.
As illustrated, a kind of high-performance single-stage double-suction middle-opening formula centrifugal pump, including for accommodate impeller, the pump housing of pump shaft,
For sealed two mechanical seal between the pump housing and pump shaft, two bearings for being used to support located at the pump shaft two ends
Body, and for fixing the base support and base of the pump housing, the bearing body includes non-driven-end bearing body, drive end bearing
Body, respectively positioned at the left end and right-hand member of pump shaft, is connected by axle sleeve with pump shaft, and it is close that the mechanical seal includes anti-drive end machinery
Envelope and drive end mechanical seal, anti-drive end mechanical seal are located on the right side of non-driven-end bearing body, and axle sleeve and pump shaft are sealed by machine
Connection, drive end mechanical seal is located on the left of non-driven-end bearing body, and seal axle sleeve by machine is connected with pump shaft, the mechanical seal
For welded metal-bellows mechanical seal, corrugated header is fixed on machine by trip bolt and sealed on axle sleeve, and corrugated header is hollow
Shape cylinder, inwall is connected with machine envelope outer wall, and bellows one end is connected with corrugated header, and the other end is connected with rotating ring, during rotating ring is
There is the first groove on the left of hollow round column, inwall, sealing ring is located in the first groove, and the second groove, stationary ring section are provided with the right side of rotating ring
To be I-shaped, the projection on the left of stationary ring is embedded in the second groove on the right side of rotating ring, and the other end of stationary ring is connected with machine sealed cover, machine
Sealed cover is fixed on machine envelope axle sleeve, water cooled pipeline is provided with machine sealed cover, retaining ring is fixed by screws on machine sealed cover,
Relief tube one end and mechanical connection, the other end are connected with balance pipe, and balance pipe is connected with suction casing, and the bearing body is located at
On the outside of mechanical seal, including bearing gland, bearing holder (housing, cover), the support of bearing, bearing inner race, bearing outer ring, rolling element, the bearing holder (housing, cover)
It is coated on pump shaft, bearing holder (housing, cover) is connected with bearing gland, bearing gland is fixedly connected with the support of bearing by screw, bearing outer ring
In the support of bearing, bearing inner race is connected with pump shaft, and rolling element is located between bearing inner race and bearing outer ring, during fan base is
Hollow cylinder shape, is connected with pump shaft, and fan is fixed on fan base, and the pump shaft is connected with motor output shaft by shaft coupling.
The bearing body designs for self-lubricating, and lubricant is thin oil, and bearing body is cast steel.
The axle sleeve locking apparatus can adjust.
The choma is ditch flute profile.
Having in the drive end bearing body has one group of angular contact ball axle in a set of cylinder roller bearing, non-driven-end bearing body
Hold.
This practical preferred embodiment is explained in detail above in conjunction with accompanying drawing, but this practicality is not limited to above-mentioned implementation
Mode, can also be on the premise of this practical objective not be departed from the knowledge that those of ordinary skill in the art possess
Make a variety of changes.
Many other changes and remodeling can be made by not departing from this practical spirit and scope.It should be appreciated that this practicality is not
It is limited to specific embodiment, this practical scope is defined by the following claims.
Claims (5)
1. a kind of high-performance single-stage double-suction middle-opening formula centrifugal pump, it is characterised in that including for accommodate impeller, the pump housing of pump shaft,
For sealed two mechanical seal between the pump housing and pump shaft, two bearings for being used to support located at the pump shaft two ends
Body, and for fixing the base support and base of the pump housing, the bearing body includes non-driven-end bearing body, drive end bearing
Body, respectively positioned at the left end and right-hand member of pump shaft, is connected by axle sleeve with pump shaft, and it is close that the mechanical seal includes anti-drive end machinery
Envelope and drive end mechanical seal, anti-drive end mechanical seal are located on the right side of non-driven-end bearing body, and axle sleeve and pump shaft are sealed by machine
Connection, drive end mechanical seal is located on the left of non-driven-end bearing body, and seal axle sleeve by machine is connected with pump shaft, the mechanical seal
For welded metal-bellows mechanical seal, corrugated header is fixed on machine by trip bolt and sealed on axle sleeve, and corrugated header is hollow
Shape cylinder, inwall is connected with machine envelope outer wall, and bellows one end is connected with corrugated header, and the other end is connected with rotating ring, during rotating ring is
There is the first groove on the left of hollow round column, inwall, sealing ring is located in the first groove, and the second groove, stationary ring section are provided with the right side of rotating ring
To be I-shaped, the projection on the left of stationary ring is embedded in the second groove on the right side of rotating ring, and the other end of stationary ring is connected with machine sealed cover, machine
Sealed cover is fixed on machine envelope axle sleeve, water cooled pipeline is provided with machine sealed cover, retaining ring is fixed by screws on machine sealed cover,
Relief tube one end and mechanical connection, the other end are connected with balance pipe, and balance pipe is connected with suction casing, and the bearing body is located at
On the outside of mechanical seal, including bearing gland, bearing holder (housing, cover), the support of bearing, bearing inner race, bearing outer ring, rolling element, the bearing holder (housing, cover)
It is coated on pump shaft, bearing holder (housing, cover) is connected with bearing gland, bearing gland is fixedly connected with the support of bearing by screw, bearing outer ring
In the support of bearing, bearing inner race is connected with pump shaft, and rolling element is located between bearing inner race and bearing outer ring, during fan base is
Hollow cylinder shape, is connected with pump shaft, and fan is fixed on fan base, and the pump shaft is connected with motor output shaft by shaft coupling.
2. a kind of high-performance single-stage double-suction middle-opening formula centrifugal pump as claimed in claim 1, it is characterised in that the bearing body is
Self-lubricating is designed, and lubricant is thin oil, and bearing body is cast steel.
3. a kind of high-performance single-stage double-suction middle-opening formula centrifugal pump as claimed in claim 1, it is characterised in that the axle sleeve locking
Device can adjust.
4. a kind of high-performance single-stage double-suction middle-opening formula centrifugal pump as claimed in claim 1, it is characterised in that in the pump housing
Provided with choma, choma is ditch flute profile.
5. a kind of high-performance single-stage double-suction middle-opening formula centrifugal pump as claimed in claim 1, it is characterised in that the drive end axle
Holding in vivo has a set of cylinder roller bearing, there is one group of angular contact ball bearing in non-driven-end bearing body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621465798.8U CN206600304U (en) | 2016-12-29 | 2016-12-29 | A kind of high-performance single-stage double-suction middle-opening formula centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621465798.8U CN206600304U (en) | 2016-12-29 | 2016-12-29 | A kind of high-performance single-stage double-suction middle-opening formula centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206600304U true CN206600304U (en) | 2017-10-31 |
Family
ID=60148410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621465798.8U Active CN206600304U (en) | 2016-12-29 | 2016-12-29 | A kind of high-performance single-stage double-suction middle-opening formula centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206600304U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106762796A (en) * | 2016-12-29 | 2017-05-31 | 镇江福泰克流体技术有限公司 | A kind of high-performance single-stage double-suction middle-opening formula centrifugal pump |
| CN108757573A (en) * | 2018-07-09 | 2018-11-06 | 安徽莱恩电泵有限公司 | A kind of new structure horizontal type middle-opened pump |
-
2016
- 2016-12-29 CN CN201621465798.8U patent/CN206600304U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106762796A (en) * | 2016-12-29 | 2017-05-31 | 镇江福泰克流体技术有限公司 | A kind of high-performance single-stage double-suction middle-opening formula centrifugal pump |
| CN108757573A (en) * | 2018-07-09 | 2018-11-06 | 安徽莱恩电泵有限公司 | A kind of new structure horizontal type middle-opened pump |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2020156089A1 (en) | Deep water pump having pressure compensation function | |
| CN206600304U (en) | A kind of high-performance single-stage double-suction middle-opening formula centrifugal pump | |
| CN101644269A (en) | High pressure centrifugal pump for desalinizing sea water | |
| CN204082560U (en) | Crude oil pipeline conveying oil line pump | |
| CN206495785U (en) | A kind of cantilevered double-runner centrifugal pump | |
| CN206600274U (en) | A kind of riser formula centrifugal pump | |
| CN106762796A (en) | A kind of high-performance single-stage double-suction middle-opening formula centrifugal pump | |
| CN205243860U (en) | Double suction helico centrifugal pump | |
| CN106762673A (en) | A kind of single stage single suction cantilever type centrifugal pump | |
| CN103452818A (en) | Peristaltic pump for conveying fluid under vacuum environment | |
| CN106762682A (en) | A kind of riser formula centrifugal pump | |
| CN206738183U (en) | Pump configuration under a kind of novel major axis high-temperature liquid | |
| CN207621046U (en) | Long shaft submerged pump | |
| CN207229414U (en) | A kind of Novel machine seals formula long shaft submerged pump structure | |
| CN204553315U (en) | A kind of horizontal middle open type double-volute multistage centrifugal pump | |
| CN108869306A (en) | Horizontal double sucking pump is opened in double containment level | |
| CN207961040U (en) | A kind of single-stage double-suction middle-opening formula centrifugal pump | |
| CN206647273U (en) | A kind of sewage disposal shielded electric pump | |
| CN209704858U (en) | A kind of deep water water pump with pressure compensation | |
| CN208442026U (en) | A kind of list double suction mixed type middle open centrifugal pump | |
| CN103410739B (en) | Vertical submerged multiple-set slag-pulp magnetic drive pump | |
| CN208089612U (en) | A kind of Novel submersible double suction pump configuration | |
| CN106285785A (en) | The single machine two-stage dilating screw machine that pressure energy of natural gas recycles | |
| CN207363938U (en) | A kind of unpowered sealing device of pump for liquid salts | |
| CN205977697U (en) | Chemical pump is supported at modified two -stage, chopped -off head double suction, radial subdivision, both ends |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |