CN108361082A - A kind of Steam Turbine auxiliary oil pump - Google Patents
A kind of Steam Turbine auxiliary oil pump Download PDFInfo
- Publication number
- CN108361082A CN108361082A CN201810077255.6A CN201810077255A CN108361082A CN 108361082 A CN108361082 A CN 108361082A CN 201810077255 A CN201810077255 A CN 201810077255A CN 108361082 A CN108361082 A CN 108361082A
- Authority
- CN
- China
- Prior art keywords
- pipe
- shaft
- steam turbine
- support
- auxiliary oil
- 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.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/18—Lubricating arrangements
- F01D25/20—Lubricating arrangements using lubrication pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/426—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N13/00—Lubricating-pumps
- F16N13/20—Rotary pumps
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a kind of Steam Turbine auxiliary oil pumps, including support pipe, it is provided with bearing in the support pipe, it is provided with shaft in the bearing, the both ends of the shaft are stretched out from the both ends of support pipe respectively, one end of the support pipe is connected with pump case, it is provided with impeller in the pump case, the impeller is connected to one end of shaft, the side of pump case is provided with first pipe, the import of the first pipe is located on the rotational trajectory of impeller, the outlet of first pipe is arranged upward and the outlet of first pipe is connected with second pipe, organic frame is arranged in the other end of the support pipe, motor is installed in the rack, the output shaft of the motor is connect by shaft coupling with the other end of the shaft.The Steam Turbine auxiliary oil pump, simple in structure, dismounting are easy, easy access；Assembly is stablized, and work efficiency is high；Applicable a variety of occasions have preferable market promotion prospect.
Description
Technical field
The invention belongs to mechanical equipment technical fields, more particularly, to a kind of Steam Turbine auxiliary oil pump.
Background technology
The main oil pump of Steam Turbine is the main oil-servicing facilities of regulating system, security system and bearing lubrication oil system,
But Steam Turbine, when not turning over or rotating speed is relatively low, main oil pump can not be worked normally, therefore steam turbine is often
Also need to be equipped with a high pressure auxiliary oil pump again, such unit in start-up course two pumps can paired running, and then ensure work
Be normally carried out.In addition, being also equipped with one in Steam Turbine specializes in unit lubrication, cooling electric lubricating oil pump, work as lubrication
It can start automatically when oil pressure is reduced to certain value, to ensure the safety of steam turbine, but likewise, drive and stop in steam turbine
Che Shi, and before its rotating speed does not reach rated speed, the charge oil pressure and flow of main oil pump still can not meet the profit of unit
It is sliding to need, so also carrying out fuel feeding with auxiliary oil pump when driving with parking.Therefore, just seem for the research of auxiliary oil pump
It is very necessary.
Invention content
The object of the present invention is to provide a kind of Steam Turbine auxiliary oil pumps, for solving Steam Turbine in start-up course
There are problems that being difficult to work normally.
In order to achieve the above object, the technical solution adopted in the present invention is a kind of Steam Turbine auxiliary oil pump, including
Support pipe is provided with bearing in the support pipe, shaft is provided in the bearing, the both ends of the shaft are respectively from branch
The both ends for holding round pipe are stretched out, and one end of the support pipe is connected with pump case, and impeller is provided in the pump case, and the impeller connects
It is connected on one end of shaft, the side of pump case is provided with first pipe, and the import of the first pipe is located at the rotational trajectory of impeller
On, the outlet setting upward and the outlet of first pipe of first pipe are connected with second pipe, the support pipe it is another
End setting organic frame, is equipped with motor in the rack, and the output shaft of the motor is another by shaft coupling and the shaft
End connection.
Technical scheme of the present invention also has the characteristics that：
Multiple through-holes are provided in the support pipe.
The support pipe has connecting plate close to the end set of the pump case, and support base, institute are provided in the pump case
Support base is stated to connect with the connecting plate, the shaft be pierced by the middle part of support base and with its clearance fit.
Axle sleeve is provided in the shaft, the axle sleeve is rotatably assorted with the support base.
Further include support plate, the support pipe and the second pipe are pierced by the support plate.
The blade of the impeller is tilted to same one side.
The second pipe includes horizontally disposed straight tube, and one end of the straight tube is provided with the first bend pipe, and the other end is set
It is equipped with the second bend pipe, the bending direction of first bend pipe and second bend pipe is opposite.
The port of first bend pipe is provided with first flange, and the port of second bend pipe is provided with second flange, institute
The port for stating first pipe is provided with third flange.
The pump case is volute pump case.
Beneficial effects of the present invention：The Steam Turbine auxiliary oil pump of the present invention, overall structure is simple, dismounting is easy,
Easy access；Assembly is stablized, and work efficiency is high；Applicable a variety of occasions have preferable market promotion prospect.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of Steam Turbine auxiliary oil pump of the present invention；
Fig. 2 is the structural schematic diagram of pump case in a kind of Steam Turbine auxiliary oil pump of the present invention.
In figure, 1. support pipes, 2. support bases, 3. connecting plates, 4. pump cases, 5. impellers, 6. first bend pipes, 7. straight tubes, 8.
Shaft, 9. bearings, 10. support plates, 11. second bend pipes, 12. shaft couplings, 13. racks, 14. motors, 15. first pipes, 16. axis
Set.
Specific implementation mode
Technical scheme of the present invention is described in further detail below in conjunction with description of the drawings and specific embodiment.
As shown in Figure 1, a kind of Steam Turbine auxiliary oil pump of the present invention, including support pipe 1 is set in support pipe 1
It is equipped with bearing 9, shaft 8 is provided in bearing 9, the both ends of shaft 8 are stretched out from the both ends of support pipe 1 respectively, support pipe 1
One end is connected with pump case 4, and impeller 5 is provided in pump case 4, and impeller 5 is connected to one end of shaft 8, and the side of pump case 4 is provided with
The import of one pipeline 15, first pipe 15 is located on the rotational trajectory of impeller 5, and the outlet of first pipe 15 is arranged and upward
The outlet of one pipeline 15 is connected with second pipe, and the other end of support pipe 1 is arranged organic frame 13, motor is equipped in rack 13
14, the output shaft of motor 14 is connect by shaft coupling 12 with the other end of shaft 8.
It reserves fluid before work in pump case 4 in advance, starts motor 14 later, the output shaft of motor 14 drives 8 turns of shaft
It is dynamic, make impeller 5 that high speed rotation occur, the mechanical energy of motor 14 is converted to the kinetic energy of fluid at this time, and fluid is finally from positioned at impeller 5
First pipe 15 on rotational trajectory is discharged into second pipe, and then is transported to the operating position for needing fluid.
As shown in Figure 1, being provided with multiple through-holes in support pipe 1, support pipe 1 is used as support element, is mainly used for bearing
9, the installation of the components such as motor 14, rack 13, pump case 4 support, the through-hole being arranged thereon can be such that the fluid of leakage is discharged, it is ensured that oil
Liquid will not continue to flow to other component.
As shown in Figure 1, support pipe 1 has connecting plate 3 close to the end set of pump case 4, support base 2 is provided in pump case 4,
Support base 2 is connect by bolt with connecting plate 3, shaft 8 be pierced by from the middle part of support base 2 and with its clearance fit, in this way design
It can ensure that shaft will not move up and down in the larger space of support pipe 1.
As shown in Figure 1, being provided with axle sleeve 16 in shaft 8, axle sleeve 16 is rotatably assorted with support base 2, avoids shaft 8 and support
It contacts and wears between seat 2.
As shown in Figure 1, further including support plate 10, support pipe 1 and second pipe are pierced by support plate 10, rack 13 and branch
Fagging 10 is bolted on together, and on the one hand design in this way can play the role of second pipe with further supporting, another
Aspect can reduce generated vibration when flow out from second pipe of the rotation of shaft 8 and fluid, it is ensured that when whole device work more
Add stabilization.
As shown in Figure 1, the blade of impeller 5 is tilted to same one side, it can be ensured that the flow direction of fluid is consistent, flow velocity higher.
As shown in Figure 1, second pipe includes horizontally disposed straight tube 7, one end of straight tube 7 is provided with the first bend pipe 6, another
It holds and is provided with the second bend pipe 11, the bending direction of the first bend pipe 6 and the second bend pipe 11 is opposite and radian communicates, and can reduce also has stream
Generated recoil torque when through second pipe, it is ensured that auxiliary oil pump is more stablized at work.
As shown in Figure 1, first flange is provided on the outer wall of the port of the first bend pipe 6, outside the port of the second bend pipe 11
Second flange is provided on wall, the port of first pipe 15 is provided with third flange, and first flange passes through multiple with third flange
Bolt is fixedly connected, and second flange is connected to the interface of fluid position to be entered.
As shown in Fig. 2, pump case 4 is volute pump case.
Therefore, Steam Turbine auxiliary oil pump of the invention, overall structure is simple, dismounting is easy, easy access；Assembly
Stablize, work efficiency is high；Applicable a variety of occasions have preferable market promotion prospect.
Claims (9)
1. a kind of Steam Turbine auxiliary oil pump, which is characterized in that including support pipe (1), setting in the support pipe (1)
There is bearing (9), shaft (8) is provided in the bearing (9), the both ends of the shaft (8) are respectively from the both ends of support pipe (1)
It stretches out, one end of the support pipe (1) is connected with pump case (4), and impeller (5), the impeller are provided in the pump case (4)
(5) it is connected to one end of shaft (8), the side of pump case (4) is provided with first pipe (15), the import of the first pipe (15)
On the rotational trajectory of impeller (5), the outlet of first pipe (15) is arranged upward and the outlet of first pipe (15) connects
There is second pipe, the other end setting organic frame (13) of the support pipe (1), the rack (13) is interior to be equipped with motor
(14), the output shaft of the motor (14) is connect by shaft coupling (12) with the other end of the shaft (8).
2. Steam Turbine auxiliary oil pump according to claim 1, which is characterized in that be arranged on the support pipe (1)
There are multiple through-holes.
3. Steam Turbine auxiliary oil pump according to claim 1, which is characterized in that the support pipe (1) is close to institute
The end set for stating pump case (4) has connecting plate (3), and support base (2), the support base (2) and institute are provided in the pump case (4)
State connecting plate (3) connection, the shaft (8) be pierced by the middle part of support base (2) and with its clearance fit.
4. Steam Turbine auxiliary oil pump according to claim 3, which is characterized in that be provided with axis on the shaft (8)
It covers (16), the axle sleeve (16) is rotatably assorted with the support base (2).
5. Steam Turbine auxiliary oil pump according to claim 1, which is characterized in that further include support plate (10), it is described
Support pipe (1) and the second pipe are pierced by the support plate (10).
6. Steam Turbine auxiliary oil pump according to claim 1, which is characterized in that the blade of the impeller (5) to
With on the one hand inclination.
7. Steam Turbine auxiliary oil pump according to claim 1, which is characterized in that the second pipe is set comprising level
One end of the straight tube (7) set, the straight tube (7) is provided with the first bend pipe (6), and the other end is provided with the second bend pipe (11), described
The bending direction of first bend pipe (6) and second bend pipe (11) is opposite.
8. Steam Turbine auxiliary oil pump according to claim 1, which is characterized in that the port of first bend pipe (6)
It is provided with first flange, the port of second bend pipe (11) is provided with second flange, and the port of the first pipe (15) is set
It is equipped with third flange.
9. Steam Turbine auxiliary oil pump according to claim 1, which is characterized in that the pump case (4) is volute pump case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810077255.6A CN108361082A (en) | 2018-01-26 | 2018-01-26 | A kind of Steam Turbine auxiliary oil pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810077255.6A CN108361082A (en) | 2018-01-26 | 2018-01-26 | A kind of Steam Turbine auxiliary oil pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108361082A true CN108361082A (en) | 2018-08-03 |
Family
ID=63007189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810077255.6A Pending CN108361082A (en) | 2018-01-26 | 2018-01-26 | A kind of Steam Turbine auxiliary oil pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108361082A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201896762U (en) * | 2010-11-23 | 2011-07-13 | 安徽省天马泵阀集团有限公司 | Submerged pump |
| CN204327578U (en) * | 2014-11-20 | 2015-05-13 | 大连惠生泵业有限公司 | Vertical high-temperature oil pump |
| CN105604952A (en) * | 2016-01-03 | 2016-05-25 | 詹白勺 | Vertical centrifugal oil pump |
| CN206770282U (en) * | 2017-04-19 | 2017-12-19 | 泰州康乔机电设备有限公司 | A kind of oil pump |
-
2018
- 2018-01-26 CN CN201810077255.6A patent/CN108361082A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201896762U (en) * | 2010-11-23 | 2011-07-13 | 安徽省天马泵阀集团有限公司 | Submerged pump |
| CN204327578U (en) * | 2014-11-20 | 2015-05-13 | 大连惠生泵业有限公司 | Vertical high-temperature oil pump |
| CN105604952A (en) * | 2016-01-03 | 2016-05-25 | 詹白勺 | Vertical centrifugal oil pump |
| CN206770282U (en) * | 2017-04-19 | 2017-12-19 | 泰州康乔机电设备有限公司 | A kind of oil pump |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180803 |
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| RJ01 | Rejection of invention patent application after publication |