CN107859637A - A kind of well immersible pump - Google Patents
A kind of well immersible pump Download PDFInfo
- Publication number
- CN107859637A CN107859637A CN201711000403.6A CN201711000403A CN107859637A CN 107859637 A CN107859637 A CN 107859637A CN 201711000403 A CN201711000403 A CN 201711000403A CN 107859637 A CN107859637 A CN 107859637A
- Authority
- CN
- China
- Prior art keywords
- rotating shaft
- bearing
- end cap
- electric motor
- immersible pump
- 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
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D13/08—Units comprising pumps and their driving means the pump being electrically driven for submerged use
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/12—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas
- H02K5/124—Sealing of shafts
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/12—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas
- H02K5/128—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas using air-gap sleeves or air-gap discs
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention discloses a kind of well immersible pump, including water pump, and the motor of driving pump working, motor includes motor housing, wound stator, rotating shaft, the rotor being arranged in rotating shaft, and it is separately positioned on the electric motor end cap and bearing block at motor housing both ends, the rivet for being connected with external member is provided with motor housing, clutch shaft bearing is provided with electric motor end cap, second bearing is provided with bearing block, the middle part of rotating shaft is rotatably assorted with clutch shaft bearing, wherein one end and the second bearing of rotating shaft are rotatably assorted, the both sides of clutch shaft bearing are separately provided for carrying out it spacing hole back-up ring and shaft block ring, the groove for mounting hole back-up ring is provided with electric motor end cap, shaft block ring is fixedly installed in rotating shaft.A kind of well immersible pump of the present invention, there is the advantages that requirement on machining accuracy is low, stable, service life is long.
Description
Technical field
The present invention relates to a kind of well immersible pump.
Background technology
In the prior art, immersible pump generally includes water pump and drives the motor of pump working, and motor mainly includes coiling
Stator, rotor and its motor housing, the also bearing cap and bearing block installed in motor housing both ends, rotor are connected with rotating shaft,
Rotating shaft and the bearing being arranged on bearing block are rotatablely connected, but in existing electric machine structure, rotating shaft is big absolutely in rotation process
Active force of the part stress between its end and bearing, the bearing at bearing cap usually not carry out spacing, make
Larger stress must can not be undertaken, this needs the requirement on machining accuracy to motor internal component higher, and rotating shaft not so can be caused to turn
Rock larger during dynamic, while the position that motor housing is connected with external member is easily broken, influences motor knot
The service life of structure.
The content of the invention
Present invention seek to address that above-mentioned mentioned technical problem, there is provided a kind of requirement on machining accuracy is low, stable, makes
With the well immersible pump of long lifespan.
The present invention is realized by following technical scheme：A kind of well immersible pump, including water pump, and driving water pump
The motor of work, motor includes motor housing, wound stator, rotating shaft, the rotor being arranged in rotating shaft, and is separately positioned on electricity
The electric motor end cap and bearing block at machine shell both ends, the rivet for being connected with external member, motor side are provided with motor housing
Cover and be provided with clutch shaft bearing, second bearing is provided with bearing block, middle part and the clutch shaft bearing of rotating shaft are rotatably assorted, rotating shaft
Wherein one end is rotatably assorted with second bearing, and the both sides of clutch shaft bearing are separately provided for carrying out it on spacing hole gear
Circle and shaft block ring, the groove for mounting hole back-up ring is provided with electric motor end cap, and shaft block ring is fixedly installed in rotating shaft.
Preferably, the through hole coordinated with rotating shaft is provided with the electric motor end cap, electricity is stretched out in one end of rotating shaft by through hole
The junction of machine housing exterior, rotating shaft and through hole, which is provided with, gets rid of scrim.
Preferably, the screw rod for being fixedly connected with external member is provided with the electric motor end cap.
Preferably, the installation portion being provided with through hole for installing oil sealing is stated.
Preferably, it is provided with O-ring seal between the electric motor end cap and motor housing.
Preferably, the wire installation portion with being connected inside motor housing, wire installation portion are provided with the electric motor end cap
Wire clamp is inside provided with, wire mounting hole is provided with wire clamp.
Preferably, tabletting is provided with the electric motor end cap, the recess for being crimped with tabletting is provided with wire clamp.
Preferably, the connecting hole for mode connects for screw is correspondingly arranged on the motor housing and electric motor end cap.
Beneficial effect is：Compared with prior art, a kind of well immersible pump of the invention is by making the middle part of rotating shaft and the
One bearing fit, and with back-up ring and shaft block ring clutch shaft bearing is carried out by hole spacing, prevent clutch shaft bearing in rotating shaft
Moved on axis direction, can so make it that its force part concentrates on the middle part of rotating shaft in rotation process for rotating shaft so that turned
Axle stress more balances, and rotation is more steady, can so reduce the requirement on machining accuracy of motor internal component, is easy to production to add
Work, while clutch shaft bearing can be caused to bear a part of stress, the vibrations of motor in the process of running are reduced, so that setting
Rivet on motor housing does not allow easy fracture, improves the service life of motor.
Brief description of the drawings
The embodiment of the present invention is described in further detail below in conjunction with accompanying drawing, wherein：
Fig. 1 is a kind of structural representation of well immersible pump of the present invention；
Fig. 2 is the structural scheme of mechanism of the motor in Fig. 1.
Embodiment
As depicted in figs. 1 and 2, a kind of well immersible pump, including water pump 20, and the motor that driving water pump 20 works, water
Pump include pump case, pump head assembly, enter water seat, impeller sets and cable assembly, be connected in impeller sets and motor, motor bag
Motor housing 1, wound stator 2, rotating shaft 3, the rotor 4 being arranged in rotating shaft 3 are included, and is separately positioned on the both ends of motor housing 1
Electric motor end cap 5 and bearing block 6, the rivet 7 for being connected with external member is provided with motor housing 1, by rivet 7 with it is outer
Portion's component is fixedly connected, and so as to realize the fixation of motor mechanism, clutch shaft bearing 8 is provided with electric motor end cap 5, specifically, motor
The cavity for assembling clutch shaft bearing 8 is provided with end cap 5, second bearing 9 is provided with bearing block 6, is provided with bearing block 6
For installing the axle bearing mount portion of second bearing 9, middle part and the clutch shaft bearing 8 of rotating shaft 3 are rotatably assorted, wherein one end of rotating shaft 3
Portion is rotatably assorted with second bearing 9, and the both sides of clutch shaft bearing 8 are separately provided for carrying out it spacing hole with the He of back-up ring 10
Shaft block ring 11, the groove 12 for mounting hole back-up ring 10, the recessed side for being arranged on cavity of groove 12 are provided with electric motor end cap 5
On wall, clutch shaft bearing 8 is put into cavity, is abutted by the hole that is located in groove 12 with the bottom of clutch shaft bearing 8 with back-up ring 10 pair
Its progress is spacing, and shaft block ring 11 is fixedly installed in rotating shaft 3, and shaft block ring 11 abuts to enter it with the top of clutch shaft bearing 8
Row is spacing.A kind of well immersible pump of the present invention is kept off by making the middle part of rotating shaft 3 coordinate with clutch shaft bearing 8, and by hole
Circle 10 and shaft block ring 11 carry out spacing to clutch shaft bearing 8, prevent clutch shaft bearing 8 from being moved on the axis direction of rotating shaft 3, so
It can make it that its force part concentrates on the middle part of rotating shaft 3 in rotation process for rotating shaft 3 so that the stress of rotating shaft 3 more balances,
Rotation is more steady, can so reduce the requirement on machining accuracy of motor internal component, be easy to produce and process, while can cause
Clutch shaft bearing 8 bears a part of stress, the vibrations of motor in the process of running is reduced, so that being arranged on motor housing 1
Rivet 7 do not allow easy fracture, improve the service life of motor.
The through hole 13 coordinated with rotating shaft 3 can be provided with electric motor end cap 5, electricity is stretched out in one end of rotating shaft 3 by through hole 13
Outside machine shell 1, the junction of rotating shaft 3 and through hole 13, which is provided with, gets rid of scrim 14, gets rid of scrim 14 by being provided with and can prevent sand
Mud enters inside electric machine casing, and the work to electric machine structure impacts.
The screw rod 15 for being fixedly connected with external member can be provided with electric motor end cap 5, by being provided with screw rod 15,
It is easy to electric machine structure to be fixedly connected with the pump housing.
The installation portion for installing oil sealing 16 can be provided with through hole 13, by setting oil sealing 16, motor can be improved
The sealing property of structure.
Further Dun, in order to improve the sealing between electric motor end cap 5 and motor housing 1, electric motor end cap 5 and motor housing
O-ring seal 17 can be provided between 1,.
The wire installation portion 18 connected with the inside of motor housing 1 can be provided with electric motor end cap 5, in wire installation portion 18
Wire clamp 19 is provided with, wire mounting hole is provided with wire clamp 19, by being provided with wire clamp 19, the wire on wire clamp 19 can be passed through
Mounting hole is spacing to wire progress, prevents wire from the situation of coiling occur.
Tabletting 21 can be provided with electric motor end cap 5, the recess 22 for being crimped with tabletting 21 is provided with wire clamp 19, is led
The shape of line installation portion 18 matches with the shape of wire clamp 19, after wire clamp 19 is put into wire installation portion 18, passes through tabletting 21 and line
The recess 22 of folder 19 is crimped, and tabletting 21 is fixedly connected with electric motor end cap 5, so as to which the stable wire that is arranged on of wire clamp 19 be pacified
In dress portion 18.
The connecting hole for mode connects for screw can be correspondingly arranged on motor housing 1 and electric motor end cap 5, using sunk screw
Coordinate with connecting hole, so as to which electric motor end cap 5 is fixedly installed on motor housing 1.
The above embodiments are merely illustrative of the technical solutions of the present invention and is not limited, all without departing from the present invention
Any modification of spirit and scope or equivalent substitution, it all should cover in the range of technical solution of the present invention.
Claims (8)
1. a kind of well immersible pump, including water pump (20), and the motor of driving water pump (20) work, motor include motor housing
(1), wound stator (2), rotating shaft (3), the rotor (4) being arranged in rotating shaft (3), and it is separately positioned on motor housing (1) two
The electric motor end cap (5) and bearing block (6) at end, it is characterised in that be provided with motor housing (1) for being connected with external member
Rivet (7), clutch shaft bearing (8) is provided with electric motor end cap (5), second bearing (9) is provided with bearing block (6), rotating shaft (3)
Middle part is rotatably assorted with clutch shaft bearing (8), and wherein one end and the second bearing (9) of rotating shaft (3) are rotatably assorted, clutch shaft bearing
(8) both sides are separately provided for carrying out it spacing hole back-up ring (10) and shaft block ring (11), on electric motor end cap (5)
The groove (12) for mounting hole back-up ring (10) is provided with, shaft block ring (11) is fixedly installed in rotating shaft (3).
A kind of 2. well immersible pump according to claim 1, it is characterised in that be provided with the electric motor end cap (5) with
The through hole (13) that rotating shaft (3) coordinates, it is outside that motor housing (1) by through hole (13) is stretched out in one end of rotating shaft (3), rotating shaft (3) with
The junction of through hole (13), which is provided with, gets rid of scrim (14).
3. a kind of well immersible pump according to claim 1, it is characterised in that be provided with use on the electric motor end cap (5)
In the screw rod (15) being fixedly connected with external member.
4. a kind of well immersible pump according to claim 2, it is characterised in that be provided with the through hole (13) for pacifying
The installation portion of charge of oil envelope (16).
5. a kind of well immersible pump according to claim 1, it is characterised in that the electric motor end cap (5) and motor housing
(1) O-ring seal (17) is provided between.
A kind of 6. well immersible pump according to claim 1, it is characterised in that be provided with the electric motor end cap (5) with
The wire installation portion (18) of connection inside motor housing (1), is provided with wire clamp (19) in wire installation portion (18), on wire clamp (19)
It is provided with wire mounting hole.
7. a kind of well immersible pump according to claim 6, it is characterised in that be provided with pressure on the electric motor end cap (5)
Piece (21), the recess (22) for being crimped with tabletting (21) is provided with wire clamp (19).
8. a kind of well immersible pump according to claim 1, it is characterised in that the motor housing (1) and electric motor end cap
(5) connecting hole for mode connects for screw is correspondingly arranged on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711000403.6A CN107859637A (en) | 2017-10-24 | 2017-10-24 | A kind of well immersible pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711000403.6A CN107859637A (en) | 2017-10-24 | 2017-10-24 | A kind of well immersible pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107859637A true CN107859637A (en) | 2018-03-30 |
Family
ID=61696376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711000403.6A Pending CN107859637A (en) | 2017-10-24 | 2017-10-24 | A kind of well immersible pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107859637A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2816425Y (en) * | 2005-08-29 | 2006-09-13 | 陈永波 | Sumergible electric-pump for well |
| CN201574928U (en) * | 2009-08-14 | 2010-09-08 | 大连液压件有限公司 | Three-oil-mouth steering vane pump for lowering oil temperature |
| CN201639400U (en) * | 2010-04-27 | 2010-11-17 | 海城三鱼泵业有限公司 | Well submerged motor |
| CN202696333U (en) * | 2012-05-25 | 2013-01-23 | 常州富兴机电有限公司 | Axial rotor fixing structure |
| US20150071799A1 (en) * | 2013-09-10 | 2015-03-12 | Baker Hughes Incorporated | Self-Aligning and Vibration Damping Bearings in a Submersible Well Pump |
-
2017
- 2017-10-24 CN CN201711000403.6A patent/CN107859637A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2816425Y (en) * | 2005-08-29 | 2006-09-13 | 陈永波 | Sumergible electric-pump for well |
| CN201574928U (en) * | 2009-08-14 | 2010-09-08 | 大连液压件有限公司 | Three-oil-mouth steering vane pump for lowering oil temperature |
| CN201639400U (en) * | 2010-04-27 | 2010-11-17 | 海城三鱼泵业有限公司 | Well submerged motor |
| CN202696333U (en) * | 2012-05-25 | 2013-01-23 | 常州富兴机电有限公司 | Axial rotor fixing structure |
| US20150071799A1 (en) * | 2013-09-10 | 2015-03-12 | Baker Hughes Incorporated | Self-Aligning and Vibration Damping Bearings in a Submersible Well Pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180330 |