CN109538522A - A kind of inducer, centrifugal wheel, the connection structure between rotor and installation method - Google Patents
A kind of inducer, centrifugal wheel, the connection structure between rotor and installation method Download PDFInfo
- Publication number
- CN109538522A CN109538522A CN201811276377.4A CN201811276377A CN109538522A CN 109538522 A CN109538522 A CN 109538522A CN 201811276377 A CN201811276377 A CN 201811276377A CN 109538522 A CN109538522 A CN 109538522A
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- CN
- China
- Prior art keywords
- inducer
- rotor
- demarcation plate
- centrifugal wheel
- connecting column
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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
- F04D29/00—Details, component parts, or accessories
- F04D29/18—Rotors
- F04D29/20—Mounting rotors on shafts
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- 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
- F04D29/18—Rotors
- F04D29/22—Rotors specially for centrifugal pumps
- F04D29/2238—Special flow patterns
- F04D29/225—Channel wheels, e.g. one blade or one flow channel
-
- 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
- F04D29/18—Rotors
- F04D29/22—Rotors specially for centrifugal pumps
- F04D29/2261—Rotors specially for centrifugal pumps with special measures
- F04D29/2272—Rotors specially for centrifugal pumps with special measures for influencing flow or boundary layer
-
- 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
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/62—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
- F04D29/628—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps especially adapted for liquid 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
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/669—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for liquid pumps
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses the connection structures between a kind of inducer, centrifugal wheel, rotor, including demarcation plate and connecting column, connecting column passes through demarcation plate, connecting column includes the first connecting column and the second connecting column, demarcation plate is in cylindrical structure, demarcation plate includes inducer demarcation plate, centrifugal wheel demarcation plate and rotor demarcation plate, and inducer demarcation plate is fixedly connected with centrifugal wheel demarcation plate by the first connecting column, and centrifugal wheel demarcation plate is fixedly connected with rotor demarcation plate by the second connecting column；The step of its installation method are as follows: the 1) installation of rotor demarcation plate；2) installation of centrifugal wheel demarcation plate；3) installation of inducer demarcation plate；Make to be bonded between inducer, centrifugal wheel and rotor, part is few and structure is simple, can play the role of Reduction of Students' Study Load to pump shaft, keep assembly process more convenient, it prevents the axial alignment of inducer caused by loosening because of connection structure, centrifugal wheel and rotor from deviation occur, influences the working performance of centrifugal pump.
Description
Technical field
The invention belongs to centrifugal pump production technical fields, and in particular to a kind of inducer, centrifugal wheel, the connection between rotor
Structure and installation method.
Background technique
Inducer is generally used to improve the cavitation performance of centrifugal pump, it can be improved the pressure of centrifugal pump inlet, pump in this way
It can still cause to run in the case that performance loss is little in cavitation.Usual inducer is mounted in the one of pump main impeller upstream
A axis stream section.Inducer angle of attack very little, inlet side are very thin, therefore to the disturbance very little of flowing, so can just make the shape of cavitation
It is preferably minimized at and its to the illeffects of flowing, effect is that pressure is made to step up desired size, therefore centrifugal pump
Upper installation inducer can be improved the cavitation performance of centrifugal pump.
But existing centrifugal pump and inducer installation be typically all directly progress inducer, centrifugal wheel and rotor respectively with pump
Axis connection, since the part of connecting portion is more, connection structure is complicated, is unfavorable for centrifugal pump reliability of operation.
Summary of the invention
Present invention aims at provided for deficiency of the prior art a kind of inducer, centrifugal wheel, rotor it
Between connection structure and installation method technical solution, can be made between inducer, centrifugal wheel and rotor using this connection structure
Connection relationship is generated, makes to be bonded between inducer, centrifugal wheel and rotor, part is few and structure is simple, can be to pump
Axis plays the role of Reduction of Students' Study Load, keeps assembly process more convenient, prevents inducer caused by loosening because of connection structure, centrifugal wheel and rotor
There is deviation in axial alignment, influences the working performance of centrifugal pump.
In order to solve the above-mentioned technical problem, the present invention adopts the following technical scheme:
A kind of inducer, centrifugal wheel, the connection structure between rotor, it is characterised in that: including demarcation plate and connecting column, even
Column is connect across demarcation plate, connecting column includes the first connecting column and the second connecting column, and demarcation plate is in cylindrical structure, and demarcation plate includes
Inducer demarcation plate, centrifugal wheel demarcation plate and rotor demarcation plate, inducer demarcation plate are connect with centrifugal wheel demarcation plate by first
Column is fixedly connected, and centrifugal wheel demarcation plate is fixedly connected with rotor demarcation plate by the second connecting column；Demarcation plate and connecting column are common
Connection structure is constituted, connecting column is used between pump shaft and inducer, centrifugal wheel and rotor for connecting demarcation plate, demarcation plate
Connection, inducer demarcation plate and centrifugal wheel demarcation plate link together and fixed by the first connecting column, and the second connecting column then will be from
Heart wheel demarcation plate and rotor demarcation plate link together and fix, and realize the connection of inducer, centrifugal wheel and rotor, make three
It can move synchronously.
Further, inducer demarcation plate includes the first plate face, inducer installation part and fastener, the setting of inducer installation part
Threaded hole is provided on the side of the first plate face, inducer installation part, inducer installation part is screwed with inducer to be connect,
Fastener is arranged in the other side of the first plate face, the first plate face with a thickness of 10-15mm, in the first plate face and inducer installation part
It is provided with pump shaft perforation；Pump shaft is perforated across pump shaft, and inducer installation part is threadedly coupled with inducer ensure that inducer is pacified
The stability of dress, save the cost reduce overall quality.
Further, centrifugal wheel demarcation plate includes the second plate face and centrifugal wheel installation part, the second plate face with a thickness of 8-10mm,
Centrifugal wheel installation part is arranged in the second plate face, and threaded hole, centrifugal wheel installation part and centrifugal wheel are provided on centrifugal wheel installation part
It is threadedly coupled, pump shaft perforation is provided on centrifugal wheel installation part and the second plate face；By pushing expression lobes, expression lobes energy
It is enough pack up inwardly, then rotor installation part is mounted on the rotor, has on rotor and prefabricated matches with rotor installation part
Slot, into slot after expression lobes can restore to the original state state, expression lobes can prevent falling off for rotor installation part and rotor, squeeze
Protrusion keeps the connecting portion of rotor and rotor installation part stronger.
Further, the first connecting column and the second connecting column are provided with 4, and one end of the second connecting column is provided on first
Stud, the other end of the second connecting column are provided with the first lower threaded hole, are provided with third screw hole, third threaded hole in third plate face
On be connected with two-way nut, the other end of two-way nut is fixedly connected with lower threaded hole；It ensure that the horizontal conductive and separation of power
Stable connection between plate realizes the connection of the second connecting column Yu third plate face.
Further, the second screw hole is provided in the second plate face, the first upper stud is connected in the second screw hole and passes through second
Screw hole, one end of the first connecting column are provided with the second lower threaded hole, and the second lower threaded hole is fixedly connected with the first upper stud, and first
The other end of connecting column is provided with the second upper stud；It ensure that the connection of the first connecting column and the second connecting column and the second plate face.
Further, fastener includes shell, cushion rubber and fastening bolt, and cushion rubber is fixedly connected on the inner sidewall of shell, shell
Jagged end is arranged in the side of body, and the two sides at notch end are provided with raised end face, locking screw pit is provided on raised end face,
Fastening bolt passes through locking screw pit, and the both ends of fastening bolt are provided with fastening nut, and shell is fixedly mounted in the first plate face；
After pump shaft passes through shell and cushion rubber, make the inward-facing extruding of protruding end using fastening bolt and fastening nut, shell is fastened on pump shaft
On, cushion rubber is tightly attached on pump shaft, keeps the connection of pump shaft and shell even closer.
Using the use construction method of the connection structure between a kind of such as above-mentioned inducer, centrifugal wheel, rotor, feature exists
In: include the following steps:
1) installation of rotor demarcation plate:
(1) pump shaft is passed through into rotor demarcation plate first, then pushes expression lobes, is mounted on the rotor rotor installation part
Slot in, be fixedly connected with rotor with rotor installation part, and rotor installation part is corresponding with the central axes of pump shaft；
(2) one end of two-way nut is connected in third screw hole and is tightened respectively again, then by the another of two-way nut
End connect with the first of the second connecting column the lower threaded hole, and adjusting is fixedly connected with the second connecting column with third plate face, and guarantee the
The height of the first upper upper stud of two connecting columns is concordant；
2) installation of centrifugal wheel demarcation plate:
(1) centrifugal wheel demarcation plate and centrifugal wheel are sequentially passed through into pump shaft first, then by centrifugal wheel and centrifugal wheel demarcation plate
It is threadedly coupled；
(2) then so that the first upper stud of the second connecting column is rotated through the second screw hole and connect, guarantee the first upper stud
More than the second panel at least distance of 10mm, adjust the position of centrifugal wheel demarcation plate, make centrifugal wheel demarcation plate, rotor demarcation plate and
The central axes of pump shaft are on the same line；
(3) the second lower threaded hole below the first connecting column is aligned simultaneously with the first upper stud of the second connecting column respectively again
It is fixedly connected, guarantees that the first connecting column is horizontal；
(4) by tightening fastening bolt, make to squeeze in raised end face phase, be connected and fixed shell closely with pump shaft；
3) installation of inducer demarcation plate:
(1) inducer demarcation plate is first passed through into pump shaft, adjust position of the shell on pump shaft and utilizes fastening bolt and tight
Gu fastener is fixedly connected by nut with pump shaft, inducer demarcation plate is then adjusted, the second upper stud on the first connecting column is made
It is connect with the first threaded hole in the first plate face；
(2) finally the end of inducer is fixedly connected on inducer installation part.
The present invention is by adopting the above-described technical solution, have the advantages that
In the present invention, demarcation plate and connecting column have collectively constituted connection structure, and connecting column is for connecting demarcation plate, demarcation plate
For the connection between pump shaft and inducer, centrifugal wheel and rotor, the first connecting column separates inducer demarcation plate and centrifugal wheel
Plate links together and fixes, and centrifugal wheel demarcation plate and rotor demarcation plate are then linked together and fixed by the second connecting column, real
The connection for having showed inducer, centrifugal wheel and rotor, enables three to move synchronously；Made entirely using the installation method in the present invention
Connection structure is stronger, and inducer, centrifugal wheel and rotor can move synchronously, and the rotation central axis line of three is consistent, can
Reduce the generation of cavitation phenomenons.
The present invention provides the technical sides of connection structure and its application method between a kind of inducer, centrifugal wheel, rotor
Case can make to generate connection relationship between inducer, centrifugal wheel and rotor using this connection structure, make inducer, centrifugal wheel and
It can be bonded between rotor, part is few and structure is simple, can play the role of Reduction of Students' Study Load to pump shaft, make assembly process more just
Victory prevents the axial alignment of inducer caused by loosening because of connection structure, centrifugal wheel and rotor from deviation occur, influences the work of centrifugal pump
Make performance.
Detailed description of the invention
The present invention will be further explained below with reference to the attached drawings:
The structural schematic diagram of connection structure of the Fig. 1 between a kind of inducer of the present invention, centrifugal wheel, rotor；
Fig. 2 is the mounting structure schematic diagram of rotor demarcation plate and rotor；
Fig. 3 is the connection schematic diagram of centrifugal wheel and centrifugal wheel demarcation plate；
Fig. 4 is the connection schematic diagram of inducer and inducer demarcation plate；
Fig. 5 is the structural schematic diagram of fastener.
In figure: the first connecting column of 1-；The second connecting column of 2-；3- inducer demarcation plate；4- centrifugal wheel demarcation plate；5- rotor point
Partition；The first plate face of 6-；7- inducer installation part；8- fastener；The perforation of 9- pump shaft；The second plate face of 10-；The installation of 11- centrifugal wheel
Part；12- third plate face；13- rotor installation part；14- expression lobes；15- shell；16- cushion rubber；17- fastening bolt；18- fastening
Nut；The two-way nut of 19-；The lower threaded hole of 20- first；21- inducer；22- rotor；23- centrifugal wheel；24- pump shaft；25- first
Upper stud；26- protrusion end face 26.
Specific embodiment
As shown in Figures 1 to 5, in order to solve the above-mentioned technical problem, the present invention adopts the following technical scheme: a kind of induction
Wheel, centrifugal wheel, the connection structure between rotor, including demarcation plate and connecting column, connecting column pass through demarcation plate, and connecting column includes the
One connecting column 1 and the second connecting column 2, demarcation plate are in cylindrical structure, and demarcation plate includes inducer demarcation plate 3, centrifugal wheel separation
Plate 4 and rotor demarcation plate 5, inducer demarcation plate 3 are fixedly connected with centrifugal wheel demarcation plate 4 by the first connecting column 1, centrifugal wheel point
Partition 4 is fixedly connected with rotor demarcation plate 5 by the second connecting column 2；Demarcation plate and connecting column have collectively constituted connection structure, even
Column being connect for connecting demarcation plate, demarcation plate is for the connection between pump shaft 24 and inducer 21, centrifugal wheel 23 and rotor 22, and first
Inducer demarcation plate 3 and centrifugal wheel demarcation plate 4 are linked together and are fixed by connecting column 1, and the second connecting column 2 is then by centrifugal wheel point
Partition 4 and rotor demarcation plate 5 link together and fix, and realize the connection of inducer 21, centrifugal wheel 23 and rotor 22, make three
Person can move synchronously.
Further, inducer demarcation plate 3 includes the first plate face 6, inducer installation part 7 and fastener 8, inducer installation part
7 are arranged in the side of the first plate face 6, and threaded hole, inducer installation part 7 and 21 spiral shell of inducer are provided on inducer installation part 7
Line is fixedly connected, and fastener 8 is arranged in the other side of the first plate face 6, the first plate face 6 with a thickness of 10-15mm, the first plate face 6
Be provided on inducer installation part 7 pump shaft perforation 9；Pump shaft 24 passes through pump shaft perforation 9, inducer installation part 7 and inducer
21 are threadedly coupled the stability that ensure that inducer 21 is installed, and save the cost reduces overall quality.Centrifugal wheel demarcation plate 4 includes
Second plate face 10 and centrifugal wheel installation part 11, the second plate face 10 with a thickness of 8-10mm, centrifugal wheel installation part 11 is arranged second
In plate face 10, threaded hole is provided on centrifugal wheel installation part 11, centrifugal wheel installation part 11 is threadedly coupled with centrifugal wheel 23, centrifugal wheel
Pump shaft perforation 9 is provided on installation part 11 and the second plate face 10；By pushing expression lobes 14, expression lobes 14 can be inside
Side is packed up, and then rotor installation part 13 is mounted on rotor 22, is had on rotor 22 and prefabricated is matched with rotor installation part 13
Slot, into slot after expression lobes 14 can restore to the original state state, expression lobes 14 can prevent rotor installation part 13 and rotor 22
Fall off, expression lobes 14 keep rotor 22 and the connecting portion of rotor installation part 13 stronger.First connecting column 1 and second connects
It connects column 2 and is provided with 4, one end of the second connecting column 2 is provided with the first upper stud 25, the other end setting of the second connecting column 2
There is the first lower threaded hole 20, is provided with third screw hole in third plate face 12, two-way nut 19 is connected on third threaded hole, it is two-way
The other end of nut 19 is fixedly connected with lower threaded hole；It ensure that the stable connection between the horizontal conductive of power and demarcation plate, it is real
The connection of the second connecting column 2 and third plate face 12 is showed.The second screw hole, the connection of the first upper stud 25 are provided in second plate face 10
In the second screw hole and pass through the second screw hole, one end of the first connecting column 1 is provided with the second lower threaded hole, the second lower threaded hole with
First upper stud 25 is fixedly connected, and the other end of the first connecting column 1 is provided with the second upper stud；It ensure that 1 He of the first connecting column
The connection of second connecting column 2 and the second plate face 10.Fastener 8 includes shell 15, cushion rubber 16 and fastening bolt 17, and cushion rubber 16 is fixed
It is connected on the inner sidewall of shell 15, jagged end is arranged in the side of shell 15, and the two sides at notch end are provided with raised end face
26, locking screw pit is provided on raised end face 26, fastening bolt 17 passes through locking screw pit, and the both ends of fastening bolt 17 are arranged
There is fastening nut 18, shell 15 is fixedly mounted in the first plate face 6；After pump shaft 24 passes through shell 15 and cushion rubber 16, fastening is utilized
Bolt 17 and fastening nut 18 squeeze raised end face 26 inwardly, and shell 15 is fastened on pump shaft 24, and cushion rubber 16 is tightly attached to pump shaft
On 24, keep pump shaft 24 and the connection of shell 15 even closer.
Using the use construction method of the connection structure between a kind of such as above-mentioned inducer, centrifugal wheel, rotor, including it is as follows
Step:
1) installation of rotor demarcation plate 5:
(1) pump shaft 24 is passed through into rotor demarcation plate 5 first, then pushes expression lobes 14, rotor installation part 13 is installed
In the slot on rotor 22, it is fixedly connected with rotor 22 with rotor installation part 13, and rotor installation part 13 and pump shaft 24
Central axes are corresponding；
(2) one end of two-way nut 19 is connected in third screw hole and is tightened respectively again, then by two-way nut 19
The other end is connect with the first lower threaded hole 20 of the second connecting column 2, and adjusting makes the second connecting column 2 and the fixed company of third plate face 12
It connects, and guarantees that the height of the first upper upper stud 25 of the second connecting column 2 is concordant；
2) installation of centrifugal wheel demarcation plate 4:
(1) centrifugal wheel demarcation plate 4 and centrifugal wheel 23 are sequentially passed through into pump shaft 24 first, then by centrifugal wheel 23 and centrifugal wheel
Demarcation plate 4 is threadedly coupled；
(2) then the first upper stud 25 of the second connecting column 2 is made to rotate through the second screw hole and connect, guarantees spiral shell on first
Column 25 is more than the second panel at least distance of 10mm, adjusts the position of centrifugal wheel demarcation plate 4, makes centrifugal wheel demarcation plate 4, rotor point
The central axes of partition 5 and pump shaft 24 are on the same line；
(3) respectively that the first upper stud 25 of the second of 1 lower section of the first connecting column the lower threaded hole and the second connecting column 2 is right again
It together and is fixedly connected, guarantees that the first connecting column 1 is horizontal；
(4) by tightening fastening bolt 17, make to squeeze in raised 26 phase of end face, connect shell 15 closely with pump shaft 24 solid
It is fixed；
3) installation of inducer demarcation plate 3:
(1) inducer demarcation plate 3 is first passed through into pump shaft 24, adjusts position and utilization fastening spiral shell of the shell 15 on pump shaft 24
Fastener 8 is fixedly connected by bolt 17 and fastening nut 18 with pump shaft 24, is then adjusted inducer demarcation plate 3, is made the first connecting column 1
On the second upper stud connect with the first threaded hole in the first plate face 6；
(2) finally the end of inducer 21 is fixedly connected on inducer installation part 7.
The present invention is by adopting the above-described technical solution, have the advantages that
In the present invention, demarcation plate and connecting column have collectively constituted connection structure, and connecting column is for connecting demarcation plate, demarcation plate
For the connection between pump shaft 24 and inducer 21, centrifugal wheel 23 and rotor 22, the first connecting column 1 is by 3 He of inducer demarcation plate
Centrifugal wheel demarcation plate 4 links together and fixes, and centrifugal wheel demarcation plate 4 and rotor demarcation plate 5 are then connected to by the second connecting column 2
It is together and fixed, the connection of inducer 21, centrifugal wheel 23 and rotor 22 is realized, three is enable to move synchronously；Using this hair
Installation method in bright keeps entire connection structure stronger, and inducer 21, centrifugal wheel 23 and rotor 22 can move synchronously, and
The rotation central axis line of three is consistent, can reduce the generation of cavitation phenomenons.
The present invention provides the technical sides of connection structure and its application method between a kind of inducer, centrifugal wheel, rotor
Case can make to generate connection relationship between inducer 21, centrifugal wheel 23 and rotor 22 using this connection structure, make inducer 21,
It can be bonded between centrifugal wheel 23 and rotor 22, part is few and structure is simple, can play the role of Reduction of Students' Study Load to pump shaft 24, make
Assembly process is more convenient, prevents the axial alignment of inducer 21, centrifugal wheel 23 and rotor 22 caused by loosening because of connection structure from going out
Existing deviation, influences the working performance of centrifugal pump.
The above is only specific embodiments of the present invention, but technical characteristic of the invention is not limited thereto.It is any with this hair
Based on bright, to realize essentially identical technical effect, made ground simple change, equivalent replacement or modification etc. are all covered
Among protection scope of the present invention.
Claims (8)
1. the connection structure between a kind of inducer, centrifugal wheel, rotor, it is characterised in that: described including demarcation plate and connecting column
Connecting column passes through the demarcation plate, and the connecting column includes the first connecting column and the second connecting column, and the demarcation plate is in cylindrical type
Structure, the demarcation plate include inducer demarcation plate, centrifugal wheel demarcation plate and rotor demarcation plate, the inducer demarcation plate and institute
It states centrifugal wheel demarcation plate to be fixedly connected by first connecting column, the centrifugal wheel demarcation plate passes through with the rotor demarcation plate
Second connecting column is fixedly connected.
2. a kind of inducer, centrifugal wheel, the connection structure between rotor according to claim 1, it is characterised in that: described to lure
Guide wheel demarcation plate includes the first plate face, inducer installation part and fastener, and the inducer installation part is arranged in first plate
The side in face is provided with threaded hole on the inducer installation part, and the inducer installation part is screwed with the inducer
Connection, the fastener are arranged in the other side of first plate face, first plate face with a thickness of 10-15mm, described the
Pump shaft perforation is provided in one plate face and the inducer installation part.
3. a kind of inducer, centrifugal wheel, the connection structure between rotor according to claim 1, it is characterised in that: it is described from
Heart wheel demarcation plate includes the second plate face and centrifugal wheel installation part, second plate face with a thickness of 8-10mm, the centrifugal wheel peace
Piece installing is arranged in second plate face, and threaded hole, the centrifugal wheel installation part and institute are provided on the centrifugal wheel installation part
Centrifugal wheel threaded connection is stated, the pump shaft perforation is provided on the centrifugal wheel installation part and second plate face.
4. a kind of inducer, centrifugal wheel, the connection structure between rotor according to claim 1, it is characterised in that: described turn
Sub- demarcation plate includes third plate face and rotor installation part, and the side of the third plate face is arranged in the rotor installation part, described
Expression lobes are provided on rotor installation part, the expression lobes are provided with 2 altogether, are provided on the rotor installation part described
Pump shaft perforation, the third plate face with a thickness of 10-15mm, the height of the rotor installation part is 30mm.
5. a kind of inducer, centrifugal wheel, the connection structure between rotor according to claim 4, it is characterised in that: described
One connecting column and second connecting column are provided with 4, and one end of second connecting column is provided with the first upper stud, described
The other end of second connecting column is provided with the first lower threaded hole, is provided with third screw hole, the third spiral shell in the third plate face
Two-way nut is connected on pit, the other end of the two-way nut is fixedly connected with the lower threaded hole.
6. a kind of inducer, centrifugal wheel, the connection structure between rotor according to claim 5, it is characterised in that: described
The second screw hole is provided in two plate faces, first upper stud is connected in second screw hole and passes through second screw hole,
One end of first connecting column is provided with the second lower threaded hole, the described second lower threaded hole and the fixed company of first upper stud
It connects, the other end of first connecting column is provided with the second upper stud.
7. a kind of inducer, centrifugal wheel, the connection structure between rotor according to claim 2, it is characterised in that: described tight
Firmware includes shell, cushion rubber and fastening bolt, and the cushion rubber is fixedly connected on the inner sidewall of the shell, and the one of the shell
Jagged end is arranged in side, and the two sides at the notch end are provided with raised end face, are provided with locking screw on the protrusion end face
Hole, the fastening bolt pass through the locking screw pit, and the both ends of the fastening bolt are provided with fastening nut, and the shell is solid
Dingan County is in first plate face.
8. the installation method of the connection structure between a kind of inducer according to claim 1, centrifugal wheel, rotor, special
Sign is: including the following steps:
1) installation of rotor demarcation plate:
(1) pump shaft is passed through into rotor demarcation plate first, then pushes expression lobes, be mounted on the rotor rotor installation part slotting
In slot, it is fixedly connected with rotor with rotor installation part, and rotor installation part is corresponding with the central axes of pump shaft；
(2) one end of two-way nut is connected in third screw hole and is tightened respectively again, then by the other end of two-way nut with
The lower threaded hole connection of the first of second connecting column, adjusting are fixedly connected with the second connecting column with third plate face, and guarantee that second connects
The height for connecing the first upper upper stud of column is concordant；
2) installation of centrifugal wheel demarcation plate:
(1) centrifugal wheel demarcation plate and centrifugal wheel are sequentially passed through into pump shaft first, then by centrifugal wheel and centrifugal wheel demarcation plate screw thread
Connection；
((2) then make the first upper stud of the second connecting column rotate through the second screw hole and connect, and guarantee that the first upper stud is more than
The second panel at least distance of 10mm adjusts the position of centrifugal wheel demarcation plate, makes centrifugal wheel demarcation plate, rotor demarcation plate and pump shaft
Central axes it is on the same line；
(3) the first upper stud of the second lower threaded hole and the second connecting column below the first connecting column is aligned and fixed respectively again
Connection guarantees that the first connecting column is horizontal；
(4) by tightening fastening bolt, make to squeeze in raised end face phase, be connected and fixed shell closely with pump shaft；
3) installation of inducer demarcation plate:
(1) inducer demarcation plate is first passed through into pump shaft, adjust position of the shell on pump shaft and utilizes fastening bolt and fastening spiral shell
Fastener is fixedly connected by mother with pump shaft, then adjusts inducer demarcation plate, makes the second upper stud on the first connecting column and the
The first threaded hole connection in one plate face；
(2) finally the end of inducer is fixedly connected on inducer installation part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811276377.4A CN109538522B (en) | 2018-10-30 | 2018-10-30 | Connecting structure and mounting method for inducer, centrifugal wheel and rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811276377.4A CN109538522B (en) | 2018-10-30 | 2018-10-30 | Connecting structure and mounting method for inducer, centrifugal wheel and rotor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109538522A true CN109538522A (en) | 2019-03-29 |
| CN109538522B CN109538522B (en) | 2020-05-12 |
Family
ID=65845930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811276377.4A Active CN109538522B (en) | 2018-10-30 | 2018-10-30 | Connecting structure and mounting method for inducer, centrifugal wheel and rotor |
Country Status (1)
| Country | Link |
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| CN111059057A (en) * | 2019-12-24 | 2020-04-24 | 浙江水利水电学院 | Anti-cavitation centrifugal pump and manufacturing method thereof |
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| JP2018003638A (en) * | 2016-06-29 | 2018-01-11 | 近畿金属株式会社 | Self-priming pump |
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| CN201016340Y (en) * | 2007-01-05 | 2008-02-06 | 林聿忠 | Double-ring type middle multiple-stage centrifugal pump |
| CN205078462U (en) * | 2015-09-10 | 2016-03-09 | 湖州三井低温设备有限公司 | There is not sealed LNG immersed pump |
| CN105782066A (en) * | 2016-04-11 | 2016-07-20 | 郭学文 | Double-suction and multi-stage centrifugal pump |
| CN105952650A (en) * | 2016-05-31 | 2016-09-21 | 浙江南元泵业有限公司 | High-strength multistage horizontal water pump |
| JP2018003638A (en) * | 2016-06-29 | 2018-01-11 | 近畿金属株式会社 | Self-priming pump |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111059057A (en) * | 2019-12-24 | 2020-04-24 | 浙江水利水电学院 | Anti-cavitation centrifugal pump and manufacturing method thereof |
| CN111059057B (en) * | 2019-12-24 | 2021-08-06 | 浙江水利水电学院 | Anti-cavitation centrifugal pump and manufacturing method thereof |
Also Published As
| Publication number | Publication date |
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| CN109538522B (en) | 2020-05-12 |
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