CN106523390B - Dry type integration Submersible Pump - Google Patents
Dry type integration Submersible Pump Download PDFInfo
- Publication number
- CN106523390B CN106523390B CN201611150085.7A CN201611150085A CN106523390B CN 106523390 B CN106523390 B CN 106523390B CN 201611150085 A CN201611150085 A CN 201611150085A CN 106523390 B CN106523390 B CN 106523390B
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- CN
- China
- Prior art keywords
- bearing block
- sealing member
- impeller sets
- flow guiding
- mechanical sealing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D13/08—Units comprising pumps and their driving means the pump being electrically driven for submerged use
- F04D13/10—Units comprising pumps and their driving means the pump being electrically driven for submerged use adapted for use in mining bore holes
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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
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D13/08—Units comprising pumps and their driving means the pump being electrically driven for submerged use
- F04D13/086—Units comprising pumps and their driving means the pump being electrically driven for submerged use the pump and drive motor are both submerged
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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
- F04D29/04—Shafts or bearings, or assemblies thereof
- F04D29/046—Bearings
- F04D29/0462—Bearing cartridges
-
- 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
- F04D29/06—Lubrication
- F04D29/061—Lubrication especially adapted for liquid pumps
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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
- F04D29/08—Sealings
- F04D29/086—Sealings 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
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/605—Mounting; Assembling; Disassembling specially adapted for liquid pumps
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/12—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas
- H02K5/124—Sealing of shafts
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a kind of dry type integration Submersible Pumps,Including pump case,Pump head assembly,Enter water seat,Motor assembly,Impeller sets,Cable assembly,Seal collar,Conical flow guiding bearing block,Adjust ring,Water flowing runner is formed between motor assembly and pump housing endophragm,Motor assembly includes motor housing,Stator,Rotor,Top chock,Step,Bearing,Mechanical sealing member,Lower capping,It is lower to cover the upper shell and lower shell for having inner wall belt fin,It closes with step into oil pocket,Fin can promote to lubricate bearing and mechanical sealing member,Mechanical sealing member includes upper mechanical sealing member and lower mechanical sealing member,Conical flow guiding bearing block has N number of double wedge,Adjusting ring has N number of groove group,Groove group has M slot bottom height from the groove down to height arrangement,N≧2,M≧2,The lifting of conical flow guiding bearing block can be adjusted to compensate the error that impeller sets are superimposed size with the cooperation of the different slots bottom height of groove by each double wedge tooth top of adjusting,It improves production efficiency and product quality,Reduce cost.
Description
Technical field
It is especially a kind of that motor and multi-stage impeller are mounted on outside the same pipe the present invention relates to a kind of well immersible pump
Dry type integration Submersible Pump in shell.
Background technique
In the prior art, integrated diving pump is the diving being mounted on motor and multi-stage impeller in the same pipe shell
Pump can accelerate motor radiating and improve electric efficiency, compare under Same Efficieney with common immersible pump, and motor materials are reduced, at
This is lower, is a kind of energy-efficient motor, integrated diving pump is currently used primarily in water circulation, irrigation and drainage etc., and structure type has
Dry type and two kinds of filling type, wherein filling insulation lubricating oil inside the motor of filling type integration Submersible Pump, is conducive to electricity
Machine cooling and bearing and mechanical seal lubrication, improve electrical machinery life, and do not have inside the motor of dry type integration Submersible Pump
There is insulating oil, is suitble to some need that high-environmental and high-quality water source is required to use, but this structure is due to motor characteristic design
It is higher in the seal request of motor output shaft end, the double mechanical seal structure being arranged inside and outside is generallyd use, this structure is only in motor
Local oil pocket filling lubricating oil is arranged to lubricate bearing and mechanical seal in output end position of bearings, is to use to external mechanical seal
Water lubrication structure, primary structure be include pump case, pump head assembly, enter water seat, motor assembly and impeller sets and cable assembly,
There is sealing collar between impeller sets upper end and motor assembly, in impeller sets lower end and enters to have conical flow guiding bearing between water seat
Seat, the motor assembly and impeller sets are coupled up and down by transmission shaft to be installed along in pump case, and is had between pump housing endophragm
Gap forms water flowing runner, pump head assembly and enters water seat and is separately mounted to pump case upper and lower ends, by motor assembly, sealing collar,
Impeller sets and conical flow guiding bearing block are fixed together, the motor assembly include motor housing and be fitted into stator,
Rotor, top chock, step and bearing and mechanical sealing member and lower capping, the lower capping couple with step
It is formed together the oil pocket of a closed filling lubricating oil, the mechanical sealing member includes being mounted under step in oil
Intracavitary upper mechanical sealing member, and it is mounted on the lower mechanical sealing member being in outside oil pocket under lower capping, in the prior art, lower bearing
Seat is usually that ontology has the bowl-shape cavity of taper, connects to form oil pocket with lower capping bottom surface, is taper bowl in this oil pocket
Shape inner wall, when motor shaft high speed rotation, the lubricating oil in oil pocket generates whirlpool driven by centrifugal force, and lubricating oil can leave
Center makes bearing and mechanical seal rotation portion cannot get flooding system lubrication, and the bowl-shape inner wall of the taper of oil pocket can be anti-by lubricating oil
It is fed back to bearing and mechanical seal rotation portion, to be lubricated, still, the lubricating oil in oil pocket has whirlpool, bearing always
Cannot get abundant flooding system lubrication with mechanical seal rotation portion, motor long time running bearing and mechanical seal are easy for wearing,
It generates and breaks down inside leak infiltration motor, in addition, in order to cooperate pump head assembly by motor assembly, sealing collar, impeller sets
It is fixed together with pump inner assemblies such as conical flow guiding bearing blocks, enters water seat with coupling for pump case lower end and generally use pipe screw thread connection
It connects or pin couples, pipe screw thread connection, which can be realized effectively, is fixed pump inner assembly, but pipe screw thread processes trouble rejection rate
Higher, installation is also laborious time-consuming；And pin connection be easy installation, it is time saving and energy saving, but because pin location error and impeller
The superposition accumulated error of group is difficult to realize to be accurately and effectively fixed pump inner assembly, and being easy to produce not pressing tightly makes impeller loosen production
Raw failure, or pin can not be packed into, so entering how couple for water seat and pump case lower end reaches easy and install, is time saving and energy saving same
When, and can realize that accurate and effective be fixed and the technical issues that need to address to pump inner assembly.
Summary of the invention
The technical problem to be solved in the present invention is to provide one kind can effectively lubricating double mechanical seal prolong the service life, tie
Structure, which simply fabricates, to be easy, while being allowed and being realized that accurate and effective is fixed to pump inner assembly time saving and energy savingly into water seat, is improved
Production efficiency and product quality reduce the dry type integration Submersible Pump of cost.
In order to solve the above-mentioned technical problem, the technical solution of dry type integration Submersible Pump of the present invention is：Including pump
Shell, enters water seat, motor assembly and impeller sets and cable assembly at pump head assembly, has between impeller sets upper end and motor assembly
Collar is sealed, in impeller sets lower end and enters to have conical flow guiding bearing block between water seat, the motor assembly and impeller sets pass through biography
Moving axis couples up and down to be installed along in pump case, and has between pump housing endophragm gap form water flowing runner, pump head assembly and is entered
Water seat is separately mounted to pump case upper and lower ends, and motor assembly, sealing collar, impeller sets and conical flow guiding bearing block are compressed together
Fixed, the motor assembly includes motor housing and the stator, rotor, top chock, step and the bearing that are fitted into
With mechanical sealing member and lower capping, the lower capping couples with step to be formed together one and closed is full of lubricating oil
Oil pocket, the mechanical sealing member includes the upper mechanical sealing member being mounted under step in oil pocket, and is mounted on down
The lower lower mechanical sealing member outside oil pocket of capping, the step include bearing block and extend upward from the bearing block
Cylinder, which is embedded in the inside of motor housing with step, holds the line packet of stator stretching, and step is logical
It crosses the sealing ring being arranged on bearing block outer diameter and motor housing inner wall seals, the lower capping has upper shell and lower shell,
Upper shell connect to form oil pocket with bearing block bottom surface, and there is axial distribution to radially extend on the inner wall circumference of upper shell and lower shell
Fin out is centered around respectively around mechanical sealing member and lower mechanical sealing member, it is described enter water seat be insertion pump case end
It is interior to be fixedly connected by pin, between the end and conical flow guiding bearing block bottom surface that enter in water seat insertion pump case, also install
One can adjust the adjusting ring of taper Guide bearing seat lifting, and conical flow guiding bearing block bottom is the cone with blasthole
There is a bearing block for supporting impeller sets at bucket, cone bucket center, cone bucket top edge have protrusion along side, this passes through sealing ring along side and pump case
By the gap port sealing between impeller sets and pump case, while impeller sets are also pressed, this has N number of shape and ruler along side bottom surface
Double wedge very little consistent and by even circumferential distribution, the bottom surface for adjusting ring is plane, is matched with the double wedge of conical flow guiding bearing block
The one side of conjunction has the groove group that N group shape and size are consistent, are distributed by even circumferential, and each groove group has M shape big
The cooperation of small and double wedge and its slot bottom height are to form along same circumferencial direction from down to high tactic groove, wherein N
≤ 2, M≤2 can adjust conical flow guiding bearing block by adjusting the different slots bottom height cooperation of tooth top and groove of each double wedge
It goes up and down to compensate the error of impeller sets superposition size.
It is further preferred that as the preferred technical solution of the present invention：The double wedge quantity N=of the conical flow guiding bearing block
3, groove group the quantity N=3, the number of recesses M=4 of each groove group for adjusting ring.
The beneficial effects of the invention are as follows：Since the present invention improves to some extent on step and lower closure construction, lower bearing
The ontology of seat no longer extends cavity down, increases the cylinder extended upward, and wall thickness is reduced, and weight saving facilitates installation, together
At present it covers to have on the inner wall circumference of upper shell and lower shell and is axially distributed the fin radially extended, be centered around respectively
Around mechanical sealing member and lower mechanical sealing member, upper shell and step bottom surface connect to form oil pocket, when motor shaft height
When speed rotation, the lubricating oil in oil pocket generates whirlpool driven by centrifugal force, and lubricating oil can leave center, make bearing and upper machine
Tool sealing element rotation portion cannot get flooding system lubrication, and the whirlpool of lubricating oil can be destroyed effectively and be generated by the fin in oil pocket
Lubricating oil is fed back to bearing and upper mechanical sealing member rotation portion by turbulent flow, to obtain sufficient lubrication, lubricating oil is not being generated
Whirlpool, ensure that motor long time running bearing and upper mechanical sealing member do not allow it is easy to wear, greatly reduce leak penetrate into motor in
The probability that portion breaks down, and the water flow that the lower shell fin of lower capping also can allow pump to come up feeds back to lower mechanical seal rotation
Position obtains sufficient lubrication, extends electrical machinery life；The present invention uses pin also to be fixedly connected into water seat and pump case end,
And an adjusting ring is installed between the end and conical flow guiding bearing block bottom surface entered in water seat insertion pump case, by adjusting taper
The tooth top of each double wedge in Guide bearing seat bottom surface and the different slots bottom height for adjusting ring groove cooperate, and can adjust conical flow guiding axis
Seat lifting is held to compensate the error of impeller sets superposition size, is realized into water seat accurately and effectively to motor assembly, sealing collar, leaf
The pump inner assembly such as wheel group and conical flow guiding bearing block is fixed, and is packed into pin and is easier, time saving and energy saving, reduces cost, institute
With the present invention have can effectively lubricating double mechanical seal prolong the service life, it is easy that structure simply fabricate, at the same allow into
Water seat realizes that accurate and effective is fixed to pump inner assembly time saving and energy savingly, improves production efficiency and product quality, reduces cost
Beneficial effect.
Detailed description of the invention
Dry type integration Submersible Pump of the invention is described in more detail with reference to the accompanying drawing.
Fig. 1 is the cross-sectional view of the dry type integration Submersible Pump of the prior art.
Fig. 2 is that the step of motor assembly and mechanical sealing member and lower capping connecting portion broken section amplify in Fig. 1
Figure.
Fig. 3 is impeller sets and conical flow guiding bearing block and to enter water seat connecting portion partial section enlarged view in Fig. 1.
Fig. 4 is the cross-sectional view of dry type integration Submersible Pump of the present invention.
Fig. 5 is that the step of motor assembly and mechanical sealing member and lower capping connecting portion broken section amplify in Fig. 4
Figure.
Fig. 6 is impeller sets and conical flow guiding bearing block and to enter water seat and add to adjust the amplification of ring connecting portion broken section in Fig. 4
Figure.
Fig. 7 is the main view that ring is adjusted in dry type integration Submersible Pump of the present invention.
Fig. 8 is the sectional view along A-A of Fig. 7.
Fig. 9 is the three-dimensional view of conical flow guiding bearing block in dry type integration Submersible Pump of the present invention.
Figure 10 is that conical flow guiding bearing block is coupled with ring is adjusted in dry type integration Submersible Pump of the present invention
Stereoscopic schematic diagram.
Specific embodiment
As shown in Fig. 1~3, dry type integration Submersible Pump in the prior art includes pump case 1, pump head assembly 2, enters
Water seat 3, motor assembly 4 and impeller sets 5 and cable assembly 6 have sealing collar between 5 upper end of impeller sets and motor assembly 4
8, in 5 lower end of impeller sets and enter to have conical flow guiding bearing block 9 between water seat 3, the motor assembly 4 and impeller sets 5 pass through transmission
Axis couples up and down to be installed along in pump case 1, and has gap to form water flowing runner 7,2 He of pump head assembly between 1 inner wall of pump case
Enter water seat 3 and be separately mounted to 1 upper and lower ends of pump case, by motor assembly 4, sealing collar 8, impeller sets 5 and conical flow guiding bearing block 9
Be fixed together, the motor assembly 4 include motor housing 41 and be fitted into stator 42, rotor 43, top chock 44,
Step 45 and bearing 46 and mechanical sealing member 47 and lower capping 48, the lower capping 48 couple one with step 45
It rises and forms a closed oil pocket 49 full of lubricating oil, the mechanical sealing member 47 includes at being mounted under step 45
In the upper mechanical sealing member 471 in oil pocket 49, and it is mounted on the lower lower mechanical sealing member 472 outside oil pocket 49 of lower capping 48,
In the prior art, step 45 is usually that ontology has the bowl-shape cavity of taper, connects to form oil pocket with lower capping bottom surface
49, it is the bowl-shape inner wall of taper in this oil pocket 49, when motor shaft high speed rotation, the band of lubricating oil in oil pocket 49 in centrifugal force
Dynamic lower generation whirlpool, lubricating oil can leave center, and bearing 46 and 471 transfer part of upper mechanical sealing member position is made to cannot get flooding system lubrication,
And lubricating oil may be fed back to 471 rotating part of bearing 46 and upper mechanical sealing member at the top of the bowl-shape inner wall of taper of oil pocket 49
Position, to be lubricated, still, there is whirlpool in the lubricating oil in oil pocket 49 always, and bearing 49 and upper mechanical sealing member 471 rotate
Position cannot get abundant flooding system lubrication, and motor long time running bearing 49 and upper mechanical sealing member 471 are easy for wearing, and generate leakage
Water, which penetrates into inside motor, to break down, in addition, in order to cooperate pump head assembly by motor assembly 4, sealing collar 8, impeller sets 5 and cone
The pump inner assembly such as shape Guide bearing seat 9 is fixed together, and entering water seat 3 with coupling for 1 lower end of pump case is coupled using pipe screw thread,
Pipe screw thread connection, which can be realized effectively, is fixed pump inner assembly, but pipe screw thread processing trouble is at high cost, and rejection rate is also higher, peace
It fills even more time-consuming and laborious.
As shown in Fig. 4~10, the embodiment of dry type integration Submersible Pump of the present invention is：Including pump case 1, pump head
Assembly 2 enters water seat 3, motor assembly 4 and impeller sets 5 and cable assembly 6, has between 5 upper end of impeller sets and motor assembly 4
Collar 8 is sealed, in 5 lower end of impeller sets and enters to have conical flow guiding bearing block 9 between water seat 3, the motor assembly 4 and impeller sets 5
Coupled up and down by transmission shaft and be installed along in pump case 1, and there is gap to form water flowing runner 7, pump head between 1 inner wall of pump case
Assembly 2 and enter water seat 3 and be separately mounted to 1 upper and lower ends of pump case, by motor assembly 4, sealing collar 8, impeller sets 5 and conical flow guiding
Bearing block 9 is fixed together, and the motor assembly 4 includes motor housing 41 and the stator 42, rotor 43, the upper axis that are fitted into
Hold seat 44, step 45 and bearing 46 and mechanical sealing member 47 and lower capping 48, the lower capping 48 and step
45 connections are formed together a closed oil pocket 49 full of lubricating oil, and the mechanical sealing member 47 includes being mounted on lower bearing
The lower upper mechanical sealing member 471 in oil pocket 49 of seat 45, and the lower machinery being mounted under lower capping 48 outside oil pocket 49 are close
Sealing 472, the step 45 include bearing block 451 and the cylinder 452 extended upward from the bearing block, the cylinder
452 are embedded in the inside of motor housing 41 with step 45, hold the line packet of the stretching of stator 42, and step 45 passes through
Sealing ring 453 on 451 outer diameter of bearing block is set and 41 inner wall of motor housing seals, the lower capping 48 has upper shell
481 and lower shell 482, upper shell 481 connect to form oil pocket 49 with 451 bottom surface of bearing block, upper shell 481 and lower shell 482
Have on inner wall circumference and be axially distributed the fin 483 radially extended, is centered around mechanical sealing member 471 and lower machinery respectively
Around sealing element 472, it is described enter water seat 3 be to be fixedly connected in insertion 1 end of pump case by pin 11, enter the insertion of water seat 3 at this
Between 9 bottom surface of end in pump case 1 and conical flow guiding bearing block, the lifting of taper Guide bearing seat 9 can be adjusted by also installing one
Adjusting ring 10.In the present embodiment, the protrusion height and length of the fin 483 on the inner wall circumference of upper shell 481 and lower shell 482
The water flow generation whirlpool that degree design can be enough to destroy on lubricating oil and external pump in oil pocket can, while fin
483 can also reinforce the intensity of lower capping 48.As shown in Fig. 7~10,9 bottom of conical flow guiding bearing block is with blasthole
There is a bearing block for supporting impeller sets 5 at cone bucket, cone bucket center, cone bucket top edge have protrusion along side 91, this is logical along side 91 and pump case 1
Sealing ring is crossed by the gap port sealing between impeller sets 5 and pump case 1, while also pressing impeller sets 5, this has along 91 bottom surface of side
There are N number of shape and size unanimously and by the double wedge 92 that even circumferential is distributed, the bottom surface for adjusting ring 10 is plane, is led with taper
The one side for flowing the cooperation of double wedge 92 of bearing block 9 has the groove group 101 that N group shape and size are consistent, are distributed by even circumferential,
Each groove group 101 have M shape size and double wedge 92 cooperation and its slot bottom height be along same circumferencial direction from down to
High tactic groove 102 forms, wherein N≤2, M≤2, by adjusting the tooth top of each double wedge 92 and the difference of groove 102
The cooperation of slot bottom height can adjust the lifting of conical flow guiding bearing block 9 to compensate the error that impeller sets 5 are superimposed size.The present embodiment
In, it is most preferably continuous that each groove group 101 for adjusting ring 10 can be interval, and uniformly arrangement either continuous uniform, which is arranged,
Uniformly arrangement can make full use of the area for adjusting ring 10, and each groove 102 in each groove group 101 is continuous uniform row
Cloth, the quantity of double wedge 92 are that can to bear maximum pressure according to the maximum license circle distribution of conical flow guiding bearing block 9 and double wedge 92 strong
Under the license size of degree, and it can guarantee that the requirement of the steady support of conical flow guiding bearing block 9 is formulated, while being able to satisfy groove group again
101 are adjusting being uniformly distributed on ring 10,102 quantity at least two of groove in each groove group 101,102 particular number of groove
It is to be formulated according to 92 width of double wedge engaged therewith, the 102 slot bottom height of each groove of this group is to be superimposed size according to impeller sets 5
License worst error and the quantity of groove 102 carry out hierarchical arrangement, adjusted by classification to compensate actual error, work as N=2, M
Numerical value can be 2,3,4 etc. and so on, equally, work as N=3, the numerical value of M can be 2,3,4 etc. and so on, such as：Work as N
When=2, M=2, be double wedge 92 have 2 symmetrically and evenly spacing be distributed, groove group 101 has 2 groups, and every group has 2 grooves 102, this
The slot bottom difference in height of 2 grooves 102 of group is equal to the license worst error that impeller sets 5 are superimposed size, if when fruit M=3, this group
3 grooves 102 slot bottom total height difference be equal to impeller sets 5 be superimposed size license worst error, then distribute to 3 it is recessed
The adjacent slot bottom difference in height of slot 102 is just reduced, just more level-one adjustings, and so on, in 101 width tolerance band of groove group and
92 width of double wedge license in, setting M number it is more, impeller sets 5 be superimposed size license worst error value be assigned to each slot bottom it
Between difference in height it is subtleer, classification regulating power it is stronger.
As shown in Fig. 7~10, it is further preferred that as the preferred embodiment of the present invention：The conical flow guiding bearing block
9 double wedge 92 quantity N=3, groove the group 101 quantity N=3, the 102 quantity M of groove of each groove group 101 for adjusting ring 10
=4.In the present embodiment, this be it is a kind of become apparent from than preferable technical solution in order to express, every group of groove group 101 is recessed in figure
102 slot bottom yin of slot is carved with the mark 103 of 1,2,3,4 numbers, facilitates installation to check, indicates that every group of groove group 101 has 4 points 4 grades
102 slot bottom of groove of height belongs to the same processing plane, also facilitates wherein the slot bottom height for identifying 103 same numbers is identical
Batch machining production.
The above is the preferred embodiment of the present invention, is not constituted a limitation on the scope of protection of the present invention, as long as
It is to implement the purpose of the present invention with essentially identical means, all should belong to protection scope of the present invention.
Claims (2)
1. a kind of dry type integration Submersible Pump, including pump case (1), pump head assembly (2), enter water seat (3), motor assembly
(4) and impeller sets (5) and cable assembly (6), there are sealing collar (8) between impeller sets (5) upper end and motor assembly (4),
In impeller sets (5) lower end and enter there are conical flow guiding bearing block (9) between water seat (3), the motor assembly (4) and impeller sets (5)
Coupled up and down by transmission shaft and be installed along in pump case (1), and there is gap to form water flowing runner between pump case (1) inner wall
(7), pump head assembly (2) and enter water seat (3) and be separately mounted to pump case (1) upper and lower ends, by motor assembly (4), sealing collar
(8), impeller sets (5) and conical flow guiding bearing block (9) are fixed together, and the motor assembly (4) includes motor housing (41)
With the stator (42), rotor (43), top chock (44), step (45) and the bearing (46) that are fitted into and mechanical seal
Part (47) and lower capping (48), the lower capping (48) couple with step (45) be formed together one it is closed full of profit
The oil pocket (49) of lubricating oil, the mechanical sealing member (47) include being mounted under step (45) to be in upper in oil pocket (49)
Mechanical sealing member (471), and be mounted under lower capping (48) in the lower mechanical sealing member (472) of oil pocket (49) outside, under described
Bearing block (45) includes bearing block (451) and the cylinder (452) extended upward from the bearing block, and the cylinder (452) is under
Bearing block (45) is embedded in the inside of motor housing (41) together, holds the line packet of stator (42) stretching, and step (45) is logical
It crosses the sealing ring (453) being arranged on bearing block (451) outer diameter and motor housing (41) inner wall seals, lower capping (48) tool
There are upper shell (481) and lower shell (482), upper shell (481) connect to form oil pocket (49), upper cylinder with bearing block (451) bottom surface
Have on the inner wall circumference of body (481) and lower shell (482) and be axially distributed the fin (483) radially extended, surrounds respectively
Around upper mechanical sealing member (471) and lower mechanical sealing member (472), it is described enter water seat (3) be insertion pump case (1) end in lead to
Pin (11) is crossed to be fixedly connected, this enter water seat (3) insertion pump case (1) in end and conical flow guiding bearing block (9) bottom surface it
Between, the adjusting ring (10) that can adjust taper Guide bearing seat (9) lifting is also installed, it is characterised in that：The taper is led
Stream bearing block (9) bottom is the cone bucket with blasthole, and there are the bearing block of support impeller sets (5), cone bucket top edge in cone bucket center
Have protrusion along side (91), this is along side (91) and pump case (1) by sealing ring by the gap between impeller sets (5) and pump case (1)
Port sealing, while impeller sets (5) are also pressed, this has N number of shape and size equal unanimously and by circumference along side (91) bottom surface
The double wedge (92) of even distribution, the bottom surface for adjusting ring (10) are plane, are cooperated with the double wedge (92) of conical flow guiding bearing block (9)
One side have that N group shape and size are consistent, groove group (101) by even circumferential distribution, each groove group (101) has M
A shape size and double wedge (92) cooperate and its slot bottom height is along same circumferencial direction from down to high tactic recessed
Slot (102) composition, wherein N≤2, M≤2 pass through the tooth top of each double wedge (92) of adjusting and the different slots bottom height of groove (102)
Cooperation can adjust conical flow guiding bearing block (9) lifting to compensate the error of impeller sets (5) superposition size.
2. dry type integration Submersible Pump according to claim 1, it is characterised in that：The conical flow guiding bearing block
(9) double wedge (92) quantity N=3, it is described adjust ring (10) groove group (101) quantity N=3, each groove group (101) it is recessed
Slot (102) quantity M=4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611150085.7A CN106523390B (en) | 2016-12-14 | 2016-12-14 | Dry type integration Submersible Pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611150085.7A CN106523390B (en) | 2016-12-14 | 2016-12-14 | Dry type integration Submersible Pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106523390A CN106523390A (en) | 2017-03-22 |
| CN106523390B true CN106523390B (en) | 2018-11-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611150085.7A Active CN106523390B (en) | 2016-12-14 | 2016-12-14 | Dry type integration Submersible Pump |
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| CN (1) | CN106523390B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111043040A (en) * | 2019-12-31 | 2020-04-21 | 广东瑞荣泵业有限公司 | In-pipe booster pump |
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| CN106523390A (en) | 2017-03-22 |
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