CN207117349U - Canned motor pump motor rotor couples ring structure - Google Patents
Canned motor pump motor rotor couples ring structure Download PDFInfo
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- CN207117349U CN207117349U CN201720988842.1U CN201720988842U CN207117349U CN 207117349 U CN207117349 U CN 207117349U CN 201720988842 U CN201720988842 U CN 201720988842U CN 207117349 U CN207117349 U CN 207117349U
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Abstract
It the utility model is related to a kind of canned motor pump motor rotor connection ring structure.Design and rotor connection ring groove design structure of the utility model to rotor coupling ring ring are described in detail, solves the welding quality control problem between rotor coupling ring and rotor bar, it ensure that the feature of the conductive reliability of squirrel cage motor rotor formula winding and 60 years service life, the selection of ring groove is coupled by the rotor of prioritization scheme, design has more preferable welding characteristic and relatively low stress amplitude and tired utilization rate, the final design for determining rotor coupling ring inside grooves bevel angle and trapezium structure design, realize the function of its rotor cage formula winding electric conductivity.And ensure the realization of its non-maintaining design in 60 years by the welding quality of rotor coupling ring and rotor bar.
Description
Technical field
It the utility model is related to a kind of canned motor pump motor rotor connection ring structure.
Background technology
Shielded motor rotor and impeller of pump share an axle, be placed in high temperature, high pressure reactor coolant in.Shielding
The advantages of motor rotor trim designs set solid core design and laminated core design.Pad iron core is taken by the nothing of monolithic
Formed to electrical steel sheet.Iron core assembling is after the rotor press plate axial compression of alloy 600, and hot jacket is on axle to ensure pump in work
Mechanical integrity is kept when making to greatest extent.The size passed through at iron core outside axle must is fulfilled for quiet, cyclic fatigue intensity and rotor
The requirement of rigidity.In order to reduce influence of the rotor core saturation potential to machine-magnetization electric current, using the axle of 403 stainless steels
Extra magnetic flux path is provided.Compared to non magnetic austenitic stainless steel, 403 stainless steel shaft materials have higher springform
Amount and intensity.
Canned motor pump motor rotor is welded together rotor bar and rotor coupling ring using rotor cage formula winding.
In cage-shaped structure apply creep resistance yellow gold rotor bar and rotor coupling ring, and to squirrel-cage winding carry out heat analysis,
Structural analysis and creep analysis, to ensure its 60 years service lifes.During shielded motor rotor cage winding welding, it can adopt
With traditional induction brazing method, this method for welding allows every one end of rotor individually to carry out soldering, and obtains rigid electromagnetism
The joint that mechanical performance has both.At present, rotor cage-shaped structure uses rigid copper bus of the both ends with groove to turn in shield electric machine
Sub- copper bar, using red copper forging process rotor coupling ring, one one slightly wider than rotor bar is processed on rotor coupling ring
Annular groove, rotor bar is reached in groove and welded.Traditional Type of Welding easily wastes solder, in whole groove
Welding cannot be guaranteed the welding qualities such as stomata on every copper bar and end ring junction weld seam, slag inclusion.
The content of the invention：
The purpose of this utility model is to provide a kind of canned motor pump motor rotor connection ring structure, and the connection ring structure can
Ensure the intensity of rotor cage formula winding, and can ensures the welding quality between rotor bar and rotor coupling ring.This practicality is new
The technical scheme of type is：The both ends welded disc turbine rotor coupling ring 2 of rotor copper bar 1, rotor coupling ring 2 pass through weldering with rotor bar 1
Connect to be fixed together and form the rotor cage formula winding of shielding pump motor, being used at each slotted eye 3 of rotor coupling ring has necessarily
The groove design of angle, first groove use 45 ° of groove, and second groove use 5 ° of grooves, at each slotted eye 3 close to turn
The notch of sub- coupling ring centerline uses hierarchic structure 4.The material of rotor coupling ring 2 and rotor bar 1 uses creep resistance
Kufil UNS C10700, rotor coupling ring 2 carries slotted eye 3 the same number of with rotor bar 1, and rotor bar 1 inserts
In slotted eye 3.Special slotted hole structure makes rotor coupling ring 2 form mouse cage winding with the welding of rotor bar 1.
Rotor core size that the utility model designs according to shield electric machine and its rotor cage of design specification requirement around
Shown in the conductive condition of group, its structure as Fig. 1 and Fig. 2.Rotor coupling ring is designed as band and the same number of groove of rotor bar
Structure, and cooperation is connect in two ends of rotor bar, to keep the electric conductivity of rotor cage formula winding, such as figure by copper silver soldering
Shown in 3.In order to coordinate in motor following process with other parts on rotor, its postwelding machining sketch chart is as shown in Figure 4.
The advantages of the utility model：Rotor coupling ring and rotor bar constitute rotor cage formula winding construction, rotor connection
Connect ring and be defined as non-safety-related part., it is necessary to consider the selection of rotor connection ring material in the design of rotor coupling ring,
The Kufil with rotor bar phase same material is selected, the electric conductivity of its mouse cage winding can be greatly improved.Other rotor connection
Ring in the design process, will consider the gap between rotor bar and rotor coupling ring, and rotor bar is compacted with rotor coupling ring
Become the factor such as fatigue life, the fatigue life between rotor bar and rotor coupling ring.
In the structure design of rotor coupling ring, issued on rotor coupling ring and the same number of groove of rotor bar.
In order to coordinate the welding of rotor bar and ensure its welding quality, reduce the stomata occurred in welding process and slag inclusion rate, protect
Card shielding 60 years non-maintaining service life of main pump motor.The slope with certain angle is used in each groove of rotor coupling ring
Mouth design, first groove are designed using 45 ° of groove, and second groove uses 5 ° of grooves designs, both bevel angles
The filling beneficial to solder is designed and be combined with, arc-shaped structure is used at the both ends of each slotted eye center line, is also beneficial to solder
Filling.Each groove is designed at the notch of rotor coupling ring centerline using hierarchic structure in addition, can be effective
The filling of the solder in welding process is controlled, while making to ensure that solder adequately fills up groove, does not produce spilling.This type turns
Sub- coupling ring structure design effectively improves rotor coupling ring and rotor while rotor cage formula winding electric conductivity is ensured
Welding quality situation between copper bar, guarantee is provided for shielding 60 years non-maintaining service life of electrodynamic pump.Solves shielding electricity
The technical barrier compared with macro porosity and slag inclusion rate between machine rotor coupling ring and rotor bar in weld seam be present.
Brief description of the drawings
Fig. 1 rotor coupling ring section of structures
Fig. 2 rotor coupling ring structural representations
Fig. 3 rotors coupling ring and rotor bar welding schematic diagram
After Fig. 4 welding, rotor coupling ring machining sketch chart
Embodiment
Couple ring structure, the both ends welded disc turbine rotor coupling ring of rotor copper bar 1 as shown in Figure 1 for rotor of the present utility model
2, rotor coupling ring 2 is fixed together by welding the rotor cage formula winding for forming shielding pump motor, rotor with rotor bar 1
The groove with certain angle is used to design at each slotted eye 3 of coupling ring, first groove uses 45 ° of groove, second slope
Mouth uses 5 ° of grooves, and the notch at each slotted eye 3 close to rotor coupling ring centerline uses hierarchic structure 4.Rotor coupling ring 2
The Kufil UNS C10700 of creep resistance are used with the material of rotor bar 1, as shown in Fig. 2 rotor coupling ring 2 carry with
The same number of slotted eye 3 of rotor bar 1, rotor bar 1 are inserted into slotted eye 3.Special slotted hole structure make rotor coupling ring 2 with
The welding of rotor bar 1 forms mouse cage winding.
According to the requirement of Fig. 1 rotor connection ring sizes designed and design specification, stress analysis calculating and stress cloud are utilized
Figure calculates, and have selected the rotor connection ring material for meeting design specification and requirement, completes rotor coupling ring structure design.
In rotor coupling ring structure design, by issued on rotor coupling ring with the same number of groove of rotor bar, rotor join
Connecing each groove of ring uses the groove with certain angle to design, and first groove is designed using 45 ° of groove, second slope
Mouthful designed using 5 ° of grooves, the design of both bevel angles and be combined with filling beneficial to solder, in each slotted eye center line
Both ends use arc-shaped structure, be also beneficial to the filling of solder.Each groove is close to rotor coupling ring centerline in addition
Notch at using hierarchic structure design, can effectively control the filling of the solder in welding process, guarantee solder is fully filled out
While full groove, spilling is not produced.After the completion of rotor coupling ring and rotor bar soldering, rotor coupling ring is processed,
To ensure that less rotor bar and rotor coupling ring can reduce while rotor bar and rotor coupling ring creep resistance is considered
Using the silver-colored quality of copper and running temperature is set to control in the range of design specification requirement.The rotor connection ring structure of this type
Design effectively improves the welding between rotor coupling ring and rotor bar while rotor cage formula winding electric conductivity is ensured
Quality condition, guarantee is provided for shielding 60 years non-maintaining service life of electrodynamic pump.Solves shielding motor rotor coupling ring
The technical barrier compared with macro porosity and slag inclusion rate in weld seam between rotor bar be present.
Claims (2)
1. a kind of canned motor pump motor rotor couples ring structure, it is characterized in that：The welded disc turbine rotor connection of rotor copper bar (1) both ends
Ring (2), rotor coupling ring (2) are fixed together by welding the rotor cage formula for forming shielding pump motor with rotor bar (1)
Winding, each slotted eye of rotor coupling ring (3) place use the groove with certain angle to design, and first groove uses 45 ° of slope
Mouthful, second groove uses 5 ° of grooves, and each slotted eye (3) place uses hierarchic structure close to the notch of rotor coupling ring centerline
(4)。
2. a kind of canned motor pump motor rotor connection ring structure according to claim 1, it is characterized in that：Rotor coupling ring
(2) and rotor bar (1) material use creep resistance Kufil UNS C10700, rotor coupling ring (2) carry with turn
The same number of slotted eye of sub- copper bar (1) (3), rotor bar (1) are inserted into slotted eye (3), and special slotted hole structure joins rotor
Connect ring (2) and form mouse cage winding with rotor bar (1) welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720988842.1U CN207117349U (en) | 2017-08-09 | 2017-08-09 | Canned motor pump motor rotor couples ring structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720988842.1U CN207117349U (en) | 2017-08-09 | 2017-08-09 | Canned motor pump motor rotor couples ring structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207117349U true CN207117349U (en) | 2018-03-16 |
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ID=61571206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720988842.1U Active CN207117349U (en) | 2017-08-09 | 2017-08-09 | Canned motor pump motor rotor couples ring structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207117349U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107276283A (en) * | 2017-08-09 | 2017-10-20 | 哈尔滨电气动力装备有限公司 | Canned motor pump motor rotor couples ring structure |
-
2017
- 2017-08-09 CN CN201720988842.1U patent/CN207117349U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107276283A (en) * | 2017-08-09 | 2017-10-20 | 哈尔滨电气动力装备有限公司 | Canned motor pump motor rotor couples ring structure |
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