CN110517572A - Canned motor pump model and canned motor pump pre-install analogy method - Google Patents
Canned motor pump model and canned motor pump pre-install analogy method Download PDFInfo
- Publication number
- CN110517572A CN110517572A CN201910628043.7A CN201910628043A CN110517572A CN 110517572 A CN110517572 A CN 110517572A CN 201910628043 A CN201910628043 A CN 201910628043A CN 110517572 A CN110517572 A CN 110517572A
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- motor pump
- canned motor
- collar
- main shaft
- flange portion
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- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000009434 installation Methods 0.000 claims abstract description 33
- 238000012360 testing method Methods 0.000 claims abstract description 14
- 238000005259 measurement Methods 0.000 claims abstract description 7
- 230000002093 peripheral effect Effects 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 description 45
- 239000010959 steel Substances 0.000 description 45
- 238000004519 manufacturing process Methods 0.000 description 24
- 238000010586 diagram Methods 0.000 description 15
- 238000003466 welding Methods 0.000 description 14
- 238000003754 machining Methods 0.000 description 9
- 238000013461 design Methods 0.000 description 8
- 238000012545 processing Methods 0.000 description 8
- 239000000498 cooling water Substances 0.000 description 7
- 238000004088 simulation Methods 0.000 description 7
- 238000012795 verification Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 208000011580 syndromic disease Diseases 0.000 description 1
- 238000010200 validation analysis Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B25/00—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes
- G09B25/02—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes of industrial processes; of machinery
Abstract
The present invention relates to a kind of canned motor pump models, comprising: idle pulley portion；Main flange portion；Motor section；Bearing portions；And main shaft, in which: the idle pulley portion, main flange portion, motor section, bearing portions are successively arranged along the main shaft to form cylindric hierarchic structure.The invention further relates to a kind of canned motor pumps to pre-install analogy method, comprising steps of utilizing above-mentioned canned motor pump model measurement: the matching of the matching or canned motor pump of canned motor pump transport frock or trolley and canned motor pump transport installation passage and canned motor pump.The method may further comprise the step of: the structure or structural parameters for changing based on test result or selecting canned motor pump transport frock；Or the structure or structural parameters of canned motor pump transport installation passage.
Description
Technical field
The embodiment of the present invention is related to nuclear power station design and manufacture field more particularly to a kind of canned motor pump model and utilizes to be somebody's turn to do
The canned motor pump of model pre-installs analogy method.
Background technique
Before certain three generations's nuclear power canned motor pump installation at present, due to lacking a kind of and more similar verifying of canned motor pump appearance profile
Tool, thus the work such as verifying and Installation Validation that can not carry out canned motor pump transport channel feasibility.Therefore, in practical canned motor pump
In transport and installation process, there is the case where channel card resistance, affects actual installation work.
In addition, due to lacking corresponding verification tool, in canned motor pump transport channel design aspect, due to that can not be transported
The preparatory actual verification of installation passage, the problem of leading to design aspect, can not find that design document can not also carry out accordingly in advance
Version is risen to improve.
Moreover, carrying out pre-trial due to lacking corresponding simplation verification tool during the rehandling of canned motor pump
Verifying, during leading to the practical rehandling of canned motor pump, the matching problem of transport frock and canned motor pump can not find and set in time
Meter improves, and adversely affects to the practical handling work of canned motor pump.
In addition, practicing before canned motor pump is formally installed due to lacking corresponding simulation installation practice tools progress installation in advance
It practises, causes worker to be not enough the mounting technique difficulty grasp of such new pump, affect actual installation work.
Due to lacking corresponding simplation verification device, thus the practical operation matching problem of canned motor pump installation carriage and canned motor pump
It can not find and improve in advance during leading to canned motor pump actual installation practice, canned motor pump occur and trolley cannot be good
With the case where, affect installment work.
Summary of the invention
At least one of to alleviate or solving the above problems aspect, the present invention is proposed.
A kind of canned motor pump model, comprising:
Idle pulley portion；
Main flange portion；
Motor section；
Bearing portions；And
Main shaft,
Wherein:
The idle pulley portion, main flange portion, motor section, bearing portions are successively arranged along the main shaft to form cylindric ladder
Structure.Optionally, at least one of the idle pulley portion, main flange portion, motor section, bearing portions are the internal sky for forming cavity
Chamber cylindrical body.
Optionally, the canned motor pump model further includes；Impeller portion；Export oral area, in which: the impeller portion, export oral area,
Idle pulley portion, main flange portion, motor section, bearing portions are successively arranged along the main shaft to form cylindric hierarchic structure.
Optionally, the impeller portion, export oral area, idle pulley portion, main flange portion, motor section, at least one in bearing portions
A cavity cylindrical body for internal formation cavity.It is further alternative, the impeller portion, export oral area, idle pulley portion, main flange
Portion, motor section, bearing portions are the internal cavity cylindrical body for forming cavity.
Optionally, the outer peripheral surface of the motor section is not provided with the cooling flange portion of stator.
Optionally, the canned motor pump model further includes end flange portion, and the end flange portion is set to the lower bearing
Below portion；The end flange portion and the bearing portions are formed as one and are single cylindrical-shaped structure.
Optionally, the outer peripheral surface of at least one of the idle pulley portion and described bearing portions is provided with pipe connecting flange portion.
Further alternative, the outer peripheral surface of at least one of the idle pulley portion and described bearing portions is provided with measurement adapter tube portion.
Optionally, the main shaft is ladder-like main shaft or the main shaft is the constant main shaft of outer diameter.
Further alternative, the main shaft is ladder-like main shaft and has large-diameter portion, is located at large-diameter portion top and and major diameter
The first collar, the second collar and the third collar that portion is sequentially connected, and be located at large-diameter portion below and and large-diameter portion according to
Secondary connected the 4th collar and the 5th collar；And main flange portion is set to the large-diameter portion, the impeller portion and export mouth
The top in portion is set to the third collar, and the lower part of the export oral area and the idler sheave portions are not set to described second
Collar and the first collar, the motor section and bearing portions are set to the 4th collar and the 5th collar respectively.
Further, the outer diameter of the first collar, the second collar and third collar successively reduces；The outer diameter of 4th collar is big
In the outer diameter of the 5th collar.
Optionally, the cross section of the main shaft is substantial circular；And it the corresponding part of the main shaft and the impeller portion, leads
Outlet portion, idle pulley portion, main flange portion, motor section, bearing portions the end face of at least one or inner wall between have keyway
Fit structure.
Or it is optional, the cross section of the main shaft is polygon；And the corresponding part of the main shaft and the impeller portion,
Exporting has type between the end face of at least one or inner wall of oral area, idle pulley portion, main flange portion, motor section, bearing portions
Face fit structure.
Optionally, the upper surface in the idle pulley portion is provided with the boss for being suitable for cooperating with pump case.
The embodiment of the present invention also proposed a kind of canned motor pump pre-installation analogy method, comprising steps of
Using according to above-mentioned canned motor pump model measurement: the matching of canned motor pump transport frock or trolley and canned motor pump, or
The matching of person's canned motor pump transport installation passage and canned motor pump.
Optionally, the method also includes steps: changing or select the knot of canned motor pump transport frock based on test result
Structure or structural parameters；Or the structure or structural parameters of canned motor pump transport installation passage.
Detailed description of the invention
Fig. 1 is the stereoscopic schematic diagram according to the canned motor pump model of one exemplary embodiment of the present invention；
Fig. 2 is the schematic side view of the canned motor pump model in Fig. 1；
Fig. 3 is the schematic diagram of the main shaft in Fig. 1；
Fig. 4 is the schematic diagram of the main flange portion in Fig. 1；
Fig. 5 is the schematic diagram of the motor section in Fig. 1；
Fig. 6 is the schematic diagram of the bearing portions and end flange portion in Fig. 1；
Fig. 7 is the schematic diagram in the idle pulley portion in Fig. 1；
Fig. 8 is the schematic diagram of the export oral area in Fig. 1；
Fig. 9 is the schematic diagram in the impeller portion in Fig. 1.
Specific embodiment
Below with reference to the embodiments and with reference to the accompanying drawing the technical solutions of the present invention will be further described.Illustrating
In book, the same or similar drawing reference numeral indicates the same or similar component.Following reference attached drawings are to embodiment of the present invention
Illustrate to be intended to explain present general inventive concept of the invention, and is not construed as to a kind of limitation of the invention.
Canned motor pump model of the invention, mainly a kind of space utilization to canned motor pump body profile, i.e. progress canned motor pump
The simulation test of installation passage, the simulation test of canned motor pump rehandling, the debugging test of canned motor pump installation carriage, canned motor pump mould
The performance of canned motor pump is familiar in quasi- installation, and practice and grasp canned motor pump install key technology, and by test, find in advance, identification
With solve the problems, such as installation in occur it is various, it is ensured that canned motor pump pump rehandling, channel transport, canned motor pump installation carriage debugging with
And the formal primary success of installation, efficiency is built on-site to improve, reduces cost, shortens construction period.
As shown in Figs. 1-2, canned motor pump model is rehandling according to canned motor pump fabrication drawing, in conjunction with canned motor pump, channel
The technical requirements and performance parameter of transport and mounting process needed to determine model.The purpose is to provide a kind of special tool(s),
With realize canned motor pump it is secondary copy mechanically, channel transport, simulation installation verifying and canned motor pump installation carriage adjustment work in extremely
Few one kind.
As shown in Figs. 1-2, entire canned motor pump model is substantially presented cylindric, impeller portion 1, export oral area 2 and 3, idle pulley
Portion 4, main flange portion 16, motor section 7, bearing portions 9 are coaxially arranged with main shaft 8, and only each section diameter is different, external
The cylinder that profile integrally shows different-diameter is formed along same axial stacks, shows the column ladder of different-diameter.Having
In the example of body, export oral area includes export oral area top 2 and export mouth subordinate portion 3.
In the present invention, upper and lower part is main flange or master when perhaps the installation of canned motor pump model is in place for canned motor pump
Flange portion above section is top, and it is only a kind of statement of relative positional relationship that part, which is lower part, below.
In an embodiment of the present invention, bearing portions can correspond to lower radial bearings in canned motor pump and thrust bearing
Main part.
In addition, lower end end face of flange bolt 15 is also shown in Fig. 1-2, and axle key 13 and 14, the outer side blow draining of lower bearing
Mouth flange 12.
In Fig. 2, rectangle is presented in model lower part in stator junction box 10.There are also bearing cooling water tube method in idle pulley portion
Blue portion 5, there are also bearing cooling water pipe flange portion 11, thermometer measuring point RTD adapter tube portions 6 on bearing portions.
As skilled in the art will understand, the exterior contour of entire model need to be high with canned motor pump solid exterior profile
Spend similar, such as similarity reaches 80%, and model is required to make according to 1:1 ratio.
In an exemplary embodiment of the present invention, canned motor pump model can be using following design:
(1) although require model bearing portions, motor section, main flange portion, idle pulley portion shell physically will be with reality
Canned motor pump body is close, but in practical applications, the specific structure in impeller portion, export oral area is not required.Therefore, In
When designing canned motor pump model, according to impeller portion, the outer diameter and height of export oral area, it is respectively designed in outer diameter, height
Similar three cylinders (export mouth part is upper and lower two parts), inside at cavity structure, in this way, guaranteeing its knot
Structure intensity simultaneously, and mitigates weight.This last three parts are set in together in certain sequence along main shaft.Eliminate impeller, export
The manufacture of mouth mold type specific structure to reduce manufacture difficulty, and has reached shape similar purpose.
(2) it physically requires to approach with the practical body of canned motor pump external due to model, but the internal structure of model is not
It is required that consistent with canned motor pump internal structure, therefore, main flange portion and idle pulley portion may be designed to that stairstepping is cylindric, and inside is empty
Cavity configuration, so that it is guaranteed that shape is physically being approached with the main flange of practical canned motor pump and idle pulley, and internal cavity structures are then being protected
While the structural strength of model of a syndrome, manufacture difficulty can be reduced, alleviates weight, installation operation easy to carry.
(3) due to secondary cooling water import and export flange of the motor housing of canned motor pump etc. in actual shipment, installation to phase
Pass tooling, the matching of canned motor pump trolley do not require, therefore secondary cooling water entrance flange is omitted in the motor section of model
Production, only make sure that motor section outer diameter and height and practical canned motor pump motor section outer diameter and height it is close, and be designed to sky
Chamber is cylindric.
(4) though the lower bearing shell of practical canned motor pump has with end flange, outer diameter is poor, there is a transition therebetween, should
Changeover portion does not influence the matching of tooling and canned motor pump trolley, and therefore, in model, bearing portions and end flange portion are set
Meter is integral, that is, is designed to that cavity is cylindric, and outer diameter is calculated by the end flange portion outer diameter of maximum outside diameter, length and canned motor pump
The sum of bearing case length, transition section length, end flange thickness and end face of flange fastening bolt height be consistent.This
The step of sample simplifies the structure of model, saves manufacture changeover portion and end face of flange bolt, reduces manufacture difficulty, while again
It ensures close with actual conditions on mode shape.
(5) to ensure that each section of model can orderly link into an integrated entity, meet requirement in intensity, set in a model
An elongated main shaft has been set, it is integral each section component to be set in order.
(6) ensure model on appearance profile with canned motor pump body close in the case where, can to its internal structure into
Row simplifies design, meets the requirement in terms of structural strength, only to reduce the weight of model.Correspondingly, each section of model can be set
Cavity cylindrical body is counted into, and is set in order with main shaft.
(7) cooling water connecting pipe and flange on the outside of bearing, thermometer measuring point RTD adapter tube and bracket, connection box for motor also phase
Simplified design should be done, i.e. shape and reality is close.
In one embodiment of the invention, the general thought of the production of canned motor pump model is according to elder generation according to main flange portion
Outer diameter, idle pulley portion outer diameter, export the outer diameter of oral area, the outer diameter in impeller portion, main flange portion lower part motor section outer diameter, under
The outer diameter in bear box portion, portion and end flange portion designs and produces a main shaft 8, to fixed each section column model part.
Fig. 3 is the schematic diagram of the main shaft in Fig. 1.As shown in figure 3, axle journal is maximum gauge, In in main flange portion corresponding position for main shaft
Impeller portion corresponding position is minimum diameter.As shown in Figure 1, each shaft part of main shaft is provided with corresponding keyway, and it is furnished with key.
In the present invention, other than using keyway fit structure, it is not shown, can also be that following mode is real
Fixation between existing main shaft and corresponding mold portion: the cross section of main shaft is polygon；And the corresponding part of main shaft with it is corresponding
There is positive structure between the end face or inner wall of at least one of mold portion.
Outside further according to the main flange of canned motor pump, idle pulley, export mouth, impeller, the motor housing of main flange lower part, lower bearing
The outer diameter and length scale of each sections such as shell, end flange make outer diameter and the corresponding cylinder model portion of length, finally will
These cylinder model portions are sleeved on main shaft, and welding manner connection can be used between each column mold portion, cylindric to be formed
Hierarchic structure.
Here cylindrical body can be made of steel pipe, welded and blocked in the steel plate encasement tube of both ends, be provided among steel plate
With the matched axis hole of axle journal size and keyway, the machining accuracy of axis hole and keyway is general precision, can be good fit i.e. with main shaft
It can.45 ° of grooves can be used in the welding groove of specific steel plate, flush outside weld bead height and steel plate, generally can be (main using plate thickness
Except flange).Entire end face and circle of steel tube face can be finished after the completion of welding, machining accuracy be ± 0.05mm (such as
Except at lower step specified otherwise), to ensure the cylindricity and end face plane degree of each section of mold portion., appearance processing roughness
It can be 6.3 μm.The various pieces of simulating piece select Q235B or Q345B steel, and wlding selects 3.2 welding rod of E7018 φ, using hand
Work electric arc welding.
It is boundary (being provided with upper transverse bearing in the main flange of canned motor pump), lower end with main flange portion 16 when specific production
Part is motor section 7, bearing portions and end flanges portion 9, is successively made.The upper part of main flange portion is idle pulley portion 4, export
Oral area lower part 3, impeller portion 1, successively makes export oral area top 2.
Illustrate the production of main shaft 8 below.
The axle journal at main flange portion of main shaft 8 is maximum, can choose diameter corresponding with canned motor pump and length.Under main flange portion
The motor section in portion and the axle journal at bearing portions can be respectively provided with diameter corresponding with canned motor pump and length.In main flange portion 16
The idle pulley portion 4 in portion, export mouth subordinate portion 3, export oral area top 2, the axle journal at impeller portion 1 are respectively provided with corresponding with canned motor pump
Diameter and length.The size for the key that each section of place of axle journal splines and matched should be matched according to machine-building handbook according to national standard
.By the machining accuracy of common mechanical manufacture, meeting can be assembled reliably, securely for the processing of main shaft.Spindle processing it is straight
Dimension is less than or equal to 0.05mm, and roughness is 3.2 μm.
From figure 3, it can be seen that correspondingly, the main shaft 8 is ladder-like main shaft and has large-diameter portion 80, on large-diameter portion
Side and the first collar 81, the second collar 82 and the third collar 83 being sequentially connected with large-diameter portion, and it is located at large-diameter portion
Lower section and the 4th collar 84 being sequentially connected with large-diameter portion and the 5th collar 85.Main flange portion is set to the large-diameter portion
80, the impeller portion and export oral area top are set to the third collar 83, export mouth subordinate portion and the idle pulley
Portion is respectively arranged at second collar 82 and the first collar 81, and the motor section and bearing portions are set to described respectively
4th collar 84 and the 5th collar 85.As shown in figure 3, the first collar 81, the second collar 82 and third collar 83
Outer diameter successively reduce；The outer diameter of 4th collar 84 is greater than the outer diameter of the 5th collar 85.In the particular embodiment, major diameter
Portion 80, the first collar 81, the second collar 82, third collar 83, the 4th collar 84, the 5th collar 85 outer diameter point
Not Wei φ 125mm, φ 110mm, φ 90mm, φ 70mm, φ 110mm and φ 90mm, length then be respectively 527mm, 434.5mm,
264mm、774.5mm、2887.3mm、1535.2mm。
Illustrate the production of main flange portion below.Fig. 4 is the schematic diagram of the main flange portion in Fig. 1.
There is corresponding length and diameter, the corresponding master of main flange portion 16 with the axle journal of the corresponding main shaft 8 of main flange portion 16
The axle journal of shaft portion is φ 125mm, length 527mm.Main 16 end face of flange portion processing, bolt hole arrangement and machining accuracy can wait
It is same as the flange machining accuracy of canned motor pump, as ± 0.05mm.It is φ 2225mm wall thickness is δ 20mm that diameter, which can be used, in main flange portion
Steel pipe production, the end plate of the settable wall thickness δ 36mm in steel pipe both ends is provided with the kingbolt hole of 24 φ 132.6mm on end plate
161, amount to 24, arrangement and machining accuracy can be equal with the main flange of canned motor pump, and φ 125mm can be processed in the center of end plate
Axis hole 162 and keyway 163.Corresponding keyway and key has can be set with the corresponding part of main flange portion 16 in main shaft 8.End plate with
Steel pipe is fixed using welding manner.Main flange both ends processing flatness be ± 0.05mm, circle of steel tube processing circularity be ±
0.05mm。
Illustrate the production of motor section below.Fig. 5 is the schematic diagram of the motor section in Fig. 1.
Main 16 lower part of flange portion is motor section 7, and axle journal has corresponding length and diameter, and axle journal is φ 110mm, long
Degree is 2887.3mm.Axle journal both ends can have corresponding keyway and key herein.Motor section 7 uses wall thickness δ 16mm, diameter φ
1615mm, the steel pipe that length is 2887.3mm make, the end plate of the settable wall thickness δ=16m in steel pipe both ends, open φ among end plate
The central shaft hole 71 and keyway 72 of 110mm, and match with the corresponding portion on main shaft.End plate and steel pipe are solid using welding manner
Fixed connection.
Illustrate the production of bearing portions and end flange portion below.Fig. 6 is bearing portions and end flange portion in Fig. 1
Schematic diagram.
The lower part of motor section 7 is bearing portions and end flanges portion 9, and the corresponding main shaft in this part is with such as φ 90mm's
Diameter, length 1535.2mm, and it is furnished with keyway and key.In the present embodiment, although canned motor pump middle and lower part bearing case diameter
Greater than the outer diameter of end flanges, but actual tests is combined to need and simplify processing and manufacturing, the factors such as reduction of expenditure, by bearing portions
Integral with the production of end flanges portion, Uniform provisions outer diameter is the outer diameter in end flanges portion, i.e. φ 1510mm, length is
1627.2mm.Bearing portions are made of steel pipe, and the end plate of both ends of the surface is made of the steel plate of wall thickness δ 16mm, and end plate can open φ
The central shaft hole and complimentary keyways of 90mm.End plate is fixedly connected with steel pipe using welding manner.
Illustrate the production in idle pulley portion below.Fig. 7 is the schematic diagram in the idle pulley portion in Fig. 1.
In canned motor pump, upper bearing is housed inside main flange.Main 16 top of flange portion be for fixed idler portion 4, due to
Idle pulley portion 4 is made of upper and lower two parts, and upper and lower two parts outer diameter is different, but its inner diameter size is the same.It can choose lower portion
The diameter of axle is φ 110mm at corresponding main shaft, and is furnished with key and keyway.The lower part in idle pulley portion can be made by steel pipe, length of steel pipe
For 409.5mm.Steel pipe both ends make the end plate that wall thickness is δ=16mm, open φ 110mm central shaft hole and keyway among end plate, and
Match with the corresponding part of main shaft.End plate and steel pipe are fixed using welding manner.
To be machined with boss, boss height 25mm, outer diameter φ with the flange of pump case matched well, the top in idle pulley portion
1717mm.Boss is made of the steel pipe of φ 1717, length 25mm, and upper end makes wall thickness for the end plate of δ=16mm, in end plate
Between open φ 110mm central shaft hole and keyway, end plate is fixed with steel-pipe welding.Machine tooling, table on boss are gone up after boss forming
The machining accuracy in face i.e. boss outer diameter tolerance identical as the end face of flange mating surface machining accuracy of pump case is 0 to -0.05mm, circularity
Less than 0.05mm, boss outer circle and end face squareness are less than 0.05mm.It is directly welded with idle pulley upper end last boss lower end.
The diameter of axle of the corresponding main shaft in the endface on the top of idle pulley boss portion is φ 90mm, length 264mm, and is machined with
Corresponding keyway and key.Export mouth subordinate portion 3 is corresponded to herein, and plan uses diameter for φ 1425.5mm, the steel pipe system of wall thickness δ 16mm
Make, length of steel pipe 264mm, steel pipe upper end equally uses wall thickness to make end plate for the steel plate of δ 30mm, and φ is opened in the centre of the end plate
The axis hole and keyway of 90mm, end plate and steel pipe are fixed using welding manner.It steel pipe lower end can be direct with the upper head plate of idle pulley boss
Welding.
Illustrate the production for exporting oral area top 2 below.Fig. 8 is the schematic diagram on the export oral area top 2 in Fig. 1.
Close-fitting with the upper end in export mouth subordinate portion 3 is export oral area top 2, and the diameter of axle of corresponding main shaft is herein
φ 70mm, length 774.4mm.Needs and simplified manufacturing process in view of field test, and for the expense of saving, export
Oral area is fabricated to cylindric.It is φ 1190mm that diameter, which can be used, in export oral area, and the steel pipe of wall thickness δ 16mm makes, length of steel pipe
623.5mm, steel pipe lower end use wall thickness to make end plate for the steel plate of δ 16mm, and centre can be provided with the axis hole and keyway of φ 70mm.Steel
It is φ 1158mm that pipe upper end makes outer diameter again, and internal diameter is the annulus of φ 868.Annulus and steel pipe upper end are welded.It finally makes again outer
Diameter is the steel pipe of φ 868mm, and wall thickness 16mm, length 222.5mm, wall thickness δ is welded in this steel pipe upper end and annulus welding, lower end
The steel plate of 16mm, steel plate internal diameter open circular hole and keyway, and are satisfied with main shaft journal engagement requirement, and export oral area top 2 is just formed
One outer layer is steel pipe, and internal layer is also steel pipe, the top integrated member fixed by annulus.
Illustrate the production in impeller portion 1 below.Fig. 9 is the schematic diagram in the impeller portion in Fig. 1.
It is also contemplated that the needs of field test and simplified manufacturing process, and expense is saved, impeller portion 1 is fabricated to cylinder
Shape.The axle journal of the corresponding main shaft in impeller portion is φ 70mm, length 373.5mm.Prefabricated corresponding impeller portion 1 uses diameter for φ
The steel pipe of 680mm, wall thickness δ 16mm make, length of steel pipe 373.5mm, and steel pipe upper end makes end plate using the steel plate of δ 16mm, in
Between be provided with the axis hole and keyway of φ 70mm.The inner layer steel pipe lower end of 1 lower part of impeller portion and export oral area top 2 when plan assembly
Plate cooperation welding, therefore, the machining accuracy of the corresponding outer circle on impeller portion 1 and export oral area top 2 and the processing essence of corresponding end-faces
Degree is equivalent, i.e., outer diameter tolerance is 0 to 0.05mm, and circularity is less than 0.05mm, and outer circle and end face squareness are less than 0.05mm.
After the workpiece of above 6 steps completes, the component that these are processed successively with the mating installation of main shaft, with shape
At the main body of canned motor pump model.
The production and assembly of remaining part are described below.
Motor cavity at the lower end flanges outer rim of model is filled into discharge outlet pipe connecting flange portion 12, upper bearing cooling water connecting pipe
Flange portion 5 and lower bearing cooling water connecting pipe flange portion 11, the temperature point connector portions 6 of end face of flange, lower bearing end spiral shell
Bolt 15 makes simulating piece (only requiring that outer profile is similar) in 1:1 ratio, is welded with corresponding component position.
Junction box of motor stator 10 completes in 1:1 ratio, welds in 7 corresponding position of stator casing.
Also need special, it is noted that canned motor pump model, can also be not provided with above-mentioned impeller portion and export oral area.
Based on the above, the invention proposes following schemes:
1, a kind of canned motor pump model, comprising:
Idle pulley portion；
Main flange portion；
Motor section；
Bearing portions；And
Main shaft,
Wherein:
The idle pulley portion, main flange portion, motor section, bearing portions are successively arranged along the main shaft to form cylindric ladder
Structure.
2, the canned motor pump model according to 1, in which:
At least one of the idle pulley portion, main flange portion, motor section, bearing portions are the internal cavity circle for forming cavity
Cylinder.
3, the canned motor pump model according to 1, further includes:
Impeller portion；
Oral area is exported,
Wherein:
The impeller portion, export oral area, idle pulley portion, main flange portion, motor section, bearing portions are successively arranged along the main shaft
To form cylindric hierarchic structure.
4, the canned motor pump model according to 3, in which:
At least one of the impeller portion, export oral area, idle pulley portion, main flange portion, motor section, bearing portions are inside
Form the cavity cylindrical body of cavity.
5, the canned motor pump model according to 4, in which:
The impeller portion, export oral area, idle pulley portion, main flange portion, motor section, bearing portions are internal formation cavity
Cavity cylindrical body.
6, the canned motor pump model according to 1, in which:
The outer peripheral surface of the motor section is not provided with the cooling flange portion of stator.
7, the canned motor pump model according to 1, in which:
The canned motor pump model further includes end flange portion, and the end flange portion is set to below the bearing portions；
The end flange portion and the bearing portions are formed as one and are single cylindrical-shaped structure.
8, the canned motor pump model according to 1, in which:
The outer peripheral surface of at least one of the idle pulley portion and the bearing portions is provided with pipe connecting flange portion.
9, the canned motor pump model according to 8, in which:
The outer peripheral surface of at least one of the idle pulley portion and the bearing portions is provided with measurement adapter tube portion.
10, the canned motor pump model according to any one of 1-9, in which:
The main shaft is ladder-like main shaft or the main shaft is the constant main shaft of outer diameter.
11, the canned motor pump model according to 3, in which:
The main shaft is ladder-like main shaft and has large-diameter portion, the be sequentially connected above large-diameter portion and with large-diameter portion
One collar, the second collar and third collar, and positioned at the 4th axis large-diameter portion lower section and be sequentially connected with large-diameter portion
Neck and the 5th collar；And
Main flange portion is set to the large-diameter portion, and the impeller portion and the top for exporting oral area are set to the third axle journal
Portion, the lower part of the export oral area and the idler sheave portions are not set to second collar and the first collar, the electricity
Machine portion and bearing portions are set to the 4th collar and the 5th collar respectively.
12, the canned motor pump model according to 11, in which:
The outer diameter of first collar, the second collar and third collar successively reduces；
The outer diameter of 4th collar is greater than the outer diameter of the 5th collar.
13, the canned motor pump model according to 3, in which:
The cross section of the main shaft is substantial circular；And
The corresponding part of the main shaft and the impeller portion, export oral area, idle pulley portion, main flange portion, motor section, lower bearing
There is keyway fit structure between the end face or inner wall of at least one of portion.
14, the canned motor pump model according to 3, in which:
The cross section of the main shaft is polygon；And
The corresponding part of the main shaft and the impeller portion, export oral area, idle pulley portion, main flange portion, motor section, lower bearing
There is positive structure between the end face or inner wall of at least one of portion.
15, the canned motor pump model according to 1, in which:
The upper surface in the idle pulley portion is provided with the boss for being suitable for cooperating with pump case.
Above-mentioned canned motor pump model can be used for the simulation examination of the canned motor pump installation passage in nuclear power key building technology
Test, the adjustment test of the simulation test of canned motor pump rehandling, canned motor pump installation carriage, canned motor pump simulation installation etc., with
Efficiency of construction is improved, construction cost is reduced, improves build guality.
Correspondingly, present invention also proposes a kind of canned motor pumps to pre-install analogy method, comprising steps of
Utilize the canned motor pump model measurement according to any one of 1-15: canned motor pump transport frock or trolley and canned motor pump
Matching or canned motor pump transport installation passage and canned motor pump matching.
The above method may further comprise the step of: the structure or knot for changing based on test result or selecting canned motor pump transport frock
Structure parameter；Or the structure or structural parameters of canned motor pump transport installation passage.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding these embodiments can be changed without departing from the principles and spirit of the present invention, factor combination, this hair
Bright range is defined by the appended claims and the equivalents thereof.
Claims (17)
1. a kind of canned motor pump model, comprising:
Idle pulley portion；
Main flange portion；
Motor section；
Bearing portions；And
Main shaft,
Wherein:
The idle pulley portion, main flange portion, motor section, bearing portions are successively arranged along the main shaft to form cylindric ladder knot
Structure.
2. canned motor pump model according to claim 1, in which:
At least one of the idle pulley portion, main flange portion, motor section, bearing portions are the internal cavity cylinder for forming cavity
Body.
3. canned motor pump model according to claim 1, further includes:
Impeller portion；
Oral area is exported,
Wherein:
The impeller portion, export oral area, idle pulley portion, main flange portion, motor section, bearing portions are successively arranged along the main shaft with shape
At cylindric hierarchic structure.
4. canned motor pump model according to claim 3, in which:
At least one of the impeller portion, export oral area, idle pulley portion, main flange portion, motor section, bearing portions are formed to be internal
The cavity cylindrical body of cavity.
5. canned motor pump model according to claim 4, in which:
The impeller portion, export oral area, idle pulley portion, main flange portion, motor section, bearing portions are the internal cavity for forming cavity
Cylindrical body.
6. canned motor pump model according to claim 1, in which:
The outer peripheral surface of the motor section is not provided with the cooling flange portion of stator.
7. canned motor pump model according to claim 1, in which:
The canned motor pump model further includes end flange portion, and the end flange portion is set to below the bearing portions；And
The end flange portion and the bearing portions are formed as one and are single cylindrical-shaped structure.
8. canned motor pump model according to claim 1, in which:
The outer peripheral surface of at least one of the idle pulley portion and the bearing portions is provided with pipe connecting flange portion.
9. canned motor pump model according to claim 8, in which:
The outer peripheral surface of at least one of the idle pulley portion and the bearing portions is provided with measurement adapter tube portion.
10. canned motor pump model according to claim 1 or 3, in which:
The main shaft is ladder-like main shaft or the main shaft is the constant main shaft of outer diameter.
11. canned motor pump model according to claim 3, in which:
The main shaft is ladder-like main shaft and has large-diameter portion, the first axle being sequentially connected above large-diameter portion and with large-diameter portion
Neck, the second collar and third collar, and positioned at the 4th collar large-diameter portion lower section and be sequentially connected with large-diameter portion
With the 5th collar；And
Main flange portion is set to the large-diameter portion, and the impeller portion and the top for exporting oral area are set to the third collar,
The lower part of the export oral area and the idler sheave portions are not set to second collar and the first collar, the motor section
It is set to the 4th collar and the 5th collar respectively with bearing portions.
12. canned motor pump model according to claim 11, in which:
The outer diameter of first collar, the second collar and third collar successively reduces；
The outer diameter of 4th collar is greater than the outer diameter of the 5th collar.
13. canned motor pump model according to claim 3, in which:
The cross section of the main shaft is substantial circular；And
The corresponding part of the main shaft and the impeller portion, export oral area, idle pulley portion, main flange portion, motor section, bearing portions
There is keyway fit structure between the end face of at least one or inner wall.
14. canned motor pump model according to claim 3, in which:
The cross section of the main shaft is polygon；And
The corresponding part of the main shaft and the impeller portion, export oral area, idle pulley portion, main flange portion, motor section, bearing portions
There is positive structure between the end face of at least one or inner wall.
15. canned motor pump model according to claim 1, in which:
The upper surface in the idle pulley portion is provided with the boss for being suitable for cooperating with pump case.
16. a kind of canned motor pump pre-installs analogy method, comprising steps of
Utilize canned motor pump model measurement described according to claim 1 any one of -15: canned motor pump transport frock or trolley and screen
Cover the matching of pump or the matching of canned motor pump transport installation passage and canned motor pump.
17. according to the method for claim 16, further comprising the steps of:
Change or select the structure or structural parameters of canned motor pump transport frock based on test result；Or
The structure or structural parameters of canned motor pump transport installation passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910628043.7A CN110517572A (en) | 2019-07-12 | 2019-07-12 | Canned motor pump model and canned motor pump pre-install analogy method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910628043.7A CN110517572A (en) | 2019-07-12 | 2019-07-12 | Canned motor pump model and canned motor pump pre-install analogy method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110517572A true CN110517572A (en) | 2019-11-29 |
Family
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| CN201910628043.7A Pending CN110517572A (en) | 2019-07-12 | 2019-07-12 | Canned motor pump model and canned motor pump pre-install analogy method |
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| CN2472292Y (en) * | 2001-03-27 | 2002-01-16 | 天津大学 | Modular shoulder shaft testing model for teaching |
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Effective date of registration: 20210113 Address after: No. 29 Hong Cao Road, Xuhui District, Shanghai Applicant after: SHANGHAI NUCLEAR ENGINEERING RESEARCH & DESIGN INSTITUTE Co.,Ltd. Address before: No. 29 Hong Cao Road, Xuhui District, Shanghai Applicant before: STATE NUCLEAR POWER ENGINEERING Co. |
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Address after: No. 29 Hong Cao Road, Xuhui District, Shanghai Applicant after: Shanghai Nuclear Engineering Research and Design Institute Co.,Ltd. Address before: No. 29 Hong Cao Road, Xuhui District, Shanghai Applicant before: SHANGHAI NUCLEAR ENGINEERING RESEARCH & DESIGN INSTITUTE Co.,Ltd. |