CN109185017A - Generator front end assemblies and shaft - Google Patents
Generator front end assemblies and shaft Download PDFInfo
- Publication number
- CN109185017A CN109185017A CN201811209477.5A CN201811209477A CN109185017A CN 109185017 A CN109185017 A CN 109185017A CN 201811209477 A CN201811209477 A CN 201811209477A CN 109185017 A CN109185017 A CN 109185017A
- Authority
- CN
- China
- Prior art keywords
- axis body
- flow channel
- dynamic sealing
- runner
- rotor
- 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.)
- Granted
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B11/00—Parts or details not provided for in, or of interest apart from, the preceding groups, e.g. wear-protection couplings, between turbine and generator
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B11/00—Parts or details not provided for in, or of interest apart from, the preceding groups, e.g. wear-protection couplings, between turbine and generator
- F03B11/006—Sealing arrangements
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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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/003—Couplings; Details of shafts
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2240/00—Components
- F05B2240/60—Shafts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2260/00—Function
- F05B2260/20—Heat transfer, e.g. cooling
- F05B2260/232—Heat transfer, e.g. cooling characterised by the cooling medium
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Abstract
The invention discloses a kind of generator front end assemblies and shafts, and wherein front end assemblies include shell；Rotating shaft supporting seat is fixedly mounted in shell；Shaft, including axis body, are mounted in rotating shaft supporting seat, and one end is equipped with dynamic sealing component, and dynamic sealing component is fixedly connected by support component with rotating shaft supporting seat, form first chamber between the periphery wall of axis body and the internal perisporium of dynamic sealing component；One end of axis body and the assembly of dynamic sealing component is equipped with vane rotor, which is additionally provided with second flow channel and third flow channel, circulation impeller is fixedly mounted on the axis body along first runner is axially arranged on axis body.Shaft includes axis body, and one end of axis body is additionally provided with the second flow channel and third flow channel being connected to first runner along first runner is axially arranged on axis body.The present invention can effectively solve the problem that the heat dissipation problem of shaft front end, effectively prevent husky the occurrence of blocking.
Description
Technical field
The present invention relates to a kind of generator front end assemblies and a kind of rotary shafts, and in particular to one kind is used for underground rotating machinery
Generator front end assemblies and shaft.
Background technique
In the prior art, the dynamic sealing assembly of conventional downhole generator be built in rotary shaft formed with casing it is narrow
In space.In the space, slurry fluid is hydrostatic(al), and the produced heat of dynamic sealing assembly high-speed rotation cannot be exported efficiently,
Aging is fast under this condition, the service life is low for sealing element especially rubber seal.
Simultaneously as it is cup-like structure that dynamic sealing assembly, which is built in rotary shaft and the small space of casing composition, in underground
Under Drilling Fluid Conditions containing sand, Yi Jisha.When product sand is excessive, easily cause rotary shaft sand card that can not rotate or cause dynamic sealing group
Part seal failure.Downhole generator thrashing is caused, heavy losses are caused.
Summary of the invention
The object of the present invention is to provide a kind of generator front end assemblies, and to solve deficiency in the prior art, it can have
Effect solves the problems, such as that the heat between shaft and dynamic sealing component can not export, and improves the service life of dynamic sealing assembly, and
It can effectively solve the problem that sand card problem.
It is a further object of the present invention to provide a kind of shafts, and to solve deficiency in the prior art, it can be effectively improved
Heat-sinking capability prevents generator space heat from excessively concentrating, influences generator service life.
The present invention provides a kind of generator front end assemblies, including,
Shell；
Rotating shaft supporting seat is fixedly mounted in the shell；
Shaft, including axis body, the axis body are installed in rotation in the rotating shaft supporting seat, one end peace of the axis body
Equipped with dynamic sealing component, the dynamic sealing component is fixedly connected by support component with the rotating shaft supporting seat, the axis
First chamber is formed between the periphery wall of body and the internal perisporium of the dynamic sealing component；The axis body and the dynamic sealing
One end of component assembly is equipped with vane rotor, and the end is additionally provided on the axis body along first runner is axially arranged with for inciting somebody to action
The second flow channel that the housing cavity is connected to the first runner, and be used for the first chamber and the first runner
The third flow channel of connection；
Circulation impeller is fixedly mounted on the axis body, and is located at the same end with the vane rotor.
In generator front end assemblies above-mentioned, it is preferable that the liquid outlet of the second flow channel is connected to the first runner,
The inlet of the second flow channel is located on the periphery wall of the axis body, and the inlet be located at the vane rotor with it is described
Between dynamic sealing component.
In generator front end assemblies above-mentioned, it is preferable that the second flow channel along the axis body radial direction arrangement, and it is described
First runner is vertical, and the inlet of the second flow channel is equipped with sand control screens.
In generator front end assemblies above-mentioned, it is preferable that before the first runner is close to one end of the vane rotor
End, the other end is tail end, and one end of the third flow channel is connected to the tail end, and the other end of the third flow channel is to close to institute
The direction for stating vane rotor extends, and is finally connected to the first chamber.
In generator front end assemblies above-mentioned, it is preferable that the rotating shaft supporting seat includes support base mounting portion and shaft peace
Dress portion, the outer diameter of the support base mounting portion are greater than the outer diameter of the shaft mounting portion, are formed on the support base mounting portion
The internal perisporium of fluid course, the periphery wall and the shell of the support base mounting portion fits, and the two is fixedly connected；
The inner cavity of the shaft mounting portion is divided into shaft installation cavity and seal assembly installation cavity, peace in the shaft installation cavity
Equipped with rolling bearing, the one end of the axis body far from the vane rotor is connect with the rolling bearing, the dynamic sealing group
Part is fixedly mounted in the seal assembly installation cavity by the support component；
The shaft mounting portion is formed with multiple delivery holes close to one end of the vane rotor, and the delivery hole is described in
The circumferential direction of shaft mounting portion is equally spaced.
In generator front end assemblies above-mentioned, it is preferable that the dynamic sealing component include actuating sleeve, spring pad, move it is close
Envelope rotor and dynamic sealing stator, the actuating sleeve are sleeved on the axis body, and are fixedly connected with the axis body, the dynamic sealing
Rotor and the actuating sleeve are mating, and the actuating sleeve has free sliding relative to the dynamic sealing rotor in the axial direction
Degree, rotational freedom is zero in the circumferential；
The spring pad is sleeved in the actuating sleeve and abuts with the dynamic sealing rotor；
The dynamic sealing stator and the dynamic sealing rotor plug cooperate, and the dynamic sealing stator and the support component are solid
Fixed connection；
There is gap between the periphery wall of the internal perisporium and the axis body of the dynamic sealing rotor and the dynamic sealing stator,
The gap is the first chamber.
In generator front end assemblies above-mentioned, it is preferable that the support component includes support base ontology and stator holder,
The support base ontology is fixedly mounted in the seal assembly installation cavity, the stator holder and support base ontology court
It is fixedly connected to one end of the vane rotor, the dynamic sealing stator is fixedly mounted in the stator holder.
In generator front end assemblies above-mentioned, it is preferable that the stator holder includes the first installation part and the second peace
It fills part and is additionally provided with circulation impeller on the axis body wherein being the second installation section close to the vane rotor, it is described to follow
Ring impeller is located in second installation section.
A kind of shaft, including axis body, one end of the axis body along first runner is axially arranged with, be additionally provided on the axis body with
The second flow channel and third flow channel of the first runner connection；
The close first runner input end is inlet channel in the second flow channel and the third flow channel, another
For outlet flow.
In generator front end assemblies above-mentioned, it is preferable that the opening of the second flow channel and the third flow channel is respectively positioned on
On the periphery wall of the axis body；
The second flow channel is arranged along the radial direction of the axis body, vertical with the first runner；The third flow channel inclination
Arrangement has angle between the first runner；
The opening of the second flow channel and/or the third flow channel is equipped with sand control screens.
Compared with prior art, the present invention provides a kind of novel generator front end assemblies, the shafts of the front end assemblies
On devise first runner, second flow channel and third flow channel, the mud in first chamber can be made by the design of these three runners
It starches fluid and extraneous slurry fluid is recycled and linked up, substantially increase heat exchanger effectiveness, prevent heat build-up in first chamber,
To guarantee the service life of dynamic sealing component, due to can generate it is good follow bad, will not make to be caught in first chamber
Silt particle effectively prevent the generation of sand card problem.
In addition, the structure design of the shaft can be applied to all kinds of motors the present invention also provides a kind of shaft, pass through shaft
The heat evacuation of roller end can be opened effectively, be prevented because of end by first runner, second flow channel and the third flow channel of upper design
Portion's heat build-up, can effectively improve the service life of all kinds of motors at the problem of causing end construction accelerated ageing.
Detailed description of the invention
Fig. 1 is the half sectional view of generator front end assemblies of the present invention；
Fig. 2 is the axonometric drawing of axis body；
Fig. 3 is the half sectional view of axis body；
Fig. 4 is the axonometric drawing of sand control screens；
Fig. 5 is the half sectional view of generator front end assemblies and stator blade wheel component, stator blade wheel；
Fig. 6 is the axonometric drawing of rotating shaft supporting seat；
Fig. 7 is the axonometric drawing under dynamic sealing component assembled state.
Description of symbols: 1- shell, 2- rotating shaft supporting seat, 3- dynamic sealing component, 4- axis body, 5- fluid course, 6-
Support component, 7- first chamber, 8- vane rotor, 9- first runner, 10- second flow channel, 11- third flow channel, 12- sand control screens,
13- support base mounting portion, 14- shaft mounting portion, 15- rolling bearing, 16- actuating sleeve, 17- spring pad, 18- dynamic sealing rotor,
19- dynamic sealing stator, 20- support base ontology, 21- stator holder, 22- circulation impeller, 23- annular groove, 24- through-hole, 27-
Stator blade wheel component, 28- stator blade wheel, 30- claw, 31- guide groove, 32- delivery hole.
Specific embodiment
The embodiments described below with reference to the accompanying drawings are exemplary, for explaining only the invention, and cannot be construed to
Limitation of the present invention.
The embodiment of the present invention: as shown in Figure 1, a kind of generator front end assemblies, including shell 1, shell 1 are in both ends open
Cylinder-like structure；
Rotating shaft supporting seat 2 is fixedly mounted in shell 1, the two preferably use screw be fixedly connected and rotating shaft supporting seat 2 with
Sealing ring should be set on the joint face of shell 1, to prevent the contact surface corrosion of the two；
Shaft, including axis body 4, axis body 4 are installed in rotation in rotating shaft supporting seat 2, and one end of axis body 4 is equipped with dynamic
Seal assembly 3, dynamic sealing component 3 are fixedly connected by support component 6 with rotating shaft supporting seat 2, the periphery wall and dynamic of axis body 4
First chamber 7 is formed between the internal perisporium of seal assembly 3；One end that axis body 4 and dynamic sealing component 3 assemble is equipped with impeller
Rotor 8, and the end of axis body 4 is along being axially arranged with first runner 9 is additionally provided with for by 1 inner cavity of shell and first runner on axis body 4
The second flow channel 10 of 9 connections, and the third flow channel 11 for first chamber 7 to be connected to first runner 9.
It should be noted that the present invention is the front end assemblies of generator, and when fluid is flowed through from apparatus of the present invention, band movable vane
It takes turns rotor 8 to rotate, vane rotor 8 is rotated with axis body 4, and the rotor rotation of driven generator is sent out while axis body 4 rotates
Electricity.
Since many equipment are required to using generator, the working environment of the condition under certain operating conditions, generator is more disliked
It is bad, such as drillng operation, when the present invention is applied to drilling tool, the fluid is then mud, contain a large amount of sandstones in mud,
In the prior art in the front end assemblies of downhole generator, seal assembly position heat often occur can not discharge, and seal assembly is fast
Fast aging, damage, or even there is sand card phenomenon.By on axis body 4, close to one end of vane rotor 8, setting recycles leaf to the present invention
Wheel 22, and first runner 9, second flow channel 10 and third flow channel 11 are set on the axis body of shaft 4, make 1 inner cavity of shell -- second
1 inner cavity of runner 10-- first runner 9-- third flow channel 11-- first chamber 7-- shell forms one and effectively recycles, makes first
Heat in chamber 7 can be recycled in time in 1 inner cavity of shell, to guarantee the service life of dynamic sealing component 3.Due to
Mud in one chamber 7 is constantly discharged, and sandstone cannot be introduced into the space, also efficiently solves the problems, such as sand card, guarantees generator
Normal work.
In a preferred embodiment, as described in Fig. 2 and Fig. 3, the liquid outlet of second flow channel 10 is connected to first runner 9, the
The inlet of two runners 10 is located on the periphery wall of axis body 4, and inlet is between vane rotor 8 and dynamic sealing component 3
Region.Second flow channel 10 is along the radial direction arrangement of axis body 4, and vertical with first runner 9, the inlet of second flow channel 10 is equipped with anti-
Sand net 12.
The region between vane rotor 8 and dynamic sealing component 3 is arranged in inlet, mud can be made to turn by impeller
Swimmingly entering in second flow channel 10 after son 8, the sand control screens 12 can prevent large granular impurity from entering in second flow channel 10, with
To exempt to block, the quantity of second flow channel 10 can be for 1 or multiple, and the present embodiment is preferably designed for 2, and 2 the
Two runners 10 are oppositely arranged, i.e. the axis of the two is on same straight line, this design on the one hand manufacture easy to process, another party
Face can form convection current, and mud is enable to be entered in first runner 9 well.
As shown in figure 4, the preferred annular structure of sand control screens 12, is evenly equipped with through-hole 24 thereon, correspondingly, have on axis body 4
For installing the annular groove 23 of sand control screens 12, sand control screens 12 are connected in annular groove 23.It should be noted that this assembly
Mode is only a kind of preferred embodiment, and other schemes are within the scope of the invention, such as sand control screens 12 are designed to circle,
It is set to be covered on the opening of second flow channel 10.
Further, first runner 9 is front end close to one end of vane rotor 8, and the other end is tail end, the one of third flow channel 11
End is connected to tail end, and the other end of third flow channel 11 extends to the direction close to vane rotor 8, is finally connected to first chamber 7.
In order to improve circulating effect, it is preferable that third flow channel 11 is designed as linear type runner, axis and first runner
9 axis angle is 30 ° -50 °, preferably 40 °, mud can be made to enter first runner from third flow channel 11 using the angular range
With the impact force to the direction of vane rotor 8 when 9, keep circulating effect more preferable.
In order to make those skilled in the art more fully understand the present invention, below with reference to a kind of complete downhole generator device
The present invention is described in further detail.
Complete downhole generator device should also include generator assembly, communication line component and stator blade wheel component 27,
Generator assembly is connect with shell 1, and the generator amature of generator assembly is meshed by gear with shaft, incorporated by reference to Fig. 5, leaf
Wheel stator module 27 is fixedly mounted in shell 1 by stator supporting apparatus, and wherein stator blade wheel 28 is set close to vane rotor 8
It sets, communication line component is fixedly mounted on stator supporting apparatus.Generator assembly, communication line component, stator blade wheel component
27 and stator supporting apparatus be all made of prior art, their structure feature that details are not described herein.
It should be noted that incorporated by reference to Fig. 6, rotating shaft supporting seat 2 includes support base mounting portion 13 and shaft mounting portion 14, two
Person is an integral structure, and the outer diameter of support base mounting portion 13 is greater than the outer diameter of shaft mounting portion 14, and support base mounting portion 13 is located at
The middle part of 14 periphery wall of shaft mounting portion is formed with fluid course 5 on support base mounting portion 13, passes through for mud, support base peace
The periphery wall in dress portion 13 and the internal perisporium of shell 1 fit, and the periphery wall of support base mounting portion 13 is equipped with multiple-sealed circle, when
After support base mounting portion 13 is installed in place, it is fixed together with shell 1 by screw.
Further, the inner cavity of shaft mounting portion 14 is divided into shaft installation cavity and seal assembly installation cavity, in shaft installation cavity
Rolling bearing 15 is installed, the one end of axis body 4 far from vane rotor 8 is connect with rolling bearing 15, and dynamic sealing component 3 passes through branch
Support component 6 is fixedly mounted in seal assembly installation cavity.
Shaft mounting portion 14 is formed with multiple delivery holes 32 close to one end of vane rotor 8, and delivery hole 32 is installed along shaft
The circumferential direction in portion 14 is equally spaced, it is preferable that delivery hole 32 is in tilted layout, and inclined direction is towards the direction of fluid course 5.It leads
The setting of fluid apertures 32 can make a part of mud from wherein passing through, and be directly entered in fluid course 5, improve circulating effect.
As shown in fig. 7, dynamic sealing component 3 includes actuating sleeve 16, spring pad 17, dynamic sealing rotor 18 and dynamic sealing stator
19, spring pad 17 is sleeved in actuating sleeve 16 and abuts with dynamic sealing rotor 18；Actuating sleeve 16 is sleeved on axis body 4, and is passed through
Screw is fixedly connected with axis body 4, and dynamic sealing rotor 18 and actuating sleeve 16 are mating, and actuating sleeve 16 is connect with dynamic sealing rotor 18
One end there is claw 30, along guide groove 31 is axially arranged on the periphery wall of dynamic sealing rotor 18, when dynamic sealing rotor 18 and drive
When dynamic set 16 is assembled together, claw 30 is caught in guide groove 31, make dynamic sealing rotor 18 relative to actuating sleeve 16 in the axial direction
With free sliding degree, rotational freedom is zero in the circumferential, in order to improve sealing effect, is set on the inner wall of dynamic sealing rotor 18
There is rubber seal, the position where the rubber seal is the end of first chamber 7；
Dynamic sealing stator 19 and dynamic sealing rotor 18 are mating, and dynamic sealing stator 19 is fixedly connected with support component 6, and
Rubber seal is equipped between the outer wall of dynamic sealing stator 19 and the inner wall of support component 6；Dynamic sealing rotor 18 and dynamic sealing are fixed
There is gap, which is first chamber 7 between the internal perisporium of son 19 and the periphery wall of axis body 4.
In the state of 4 high speed rotation of axis body, actuating sleeve 16 and dynamic sealing rotor 18 follow 4 synchronous rotary of axis body, and move
Sealed stator 19 then remain stationary motionless.
As shown in figure 5, support component 6 includes support base ontology 20 and stator holder 21, the fixed peace of support base ontology 20
In seal assembly installation cavity, stator holder 21 is fixedly connected with one end of support base ontology 20 towards vane rotor 8, is moved
Sealed stator 19 is fixedly mounted in stator holder 21 by screw.The main function of support component 6 be for it is fixed move it is close
Seal stator 19.
Wherein, stator holder 21 includes the first installation part and the second installation section, wherein being close to vane rotor 8
Second installation section is additionally provided with circulation impeller 22 on axis body 4, and circulation impeller 22 is located in the second installation section.
The setting of circulation impeller 22 is the cycle rate in order to improve mud, forms the interior working forms for taking out outlet, follows bad
Impeller 22 can effectively extract the mud in first chamber 7 out, improve rate of heat dispation.
When normal work, mud enters second flow channel 10 by sand control screens 12, enters back into first runner 9, finally just from
Third flow channel 11 flows into first chamber 7, and under the action of circulation impeller 22, the mud with heat is arranged in the first cavity 7
First chamber 7 out, into shell 1.
A kind of shaft is described below, as shown in figs 2-4, which includes axis body 4, and one end edge of axis body 4 is axially arranged with
First runner 9 is additionally provided with the second flow channel 10 and third flow channel 11 being connected to first runner 9 on axis body 4；Second flow channel 10 and
Close 9 input end of first runner is inlet channel in three runners 11, another is outlet flow.
Preferably, the opening of second flow channel 10 and third flow channel 11 is respectively positioned on the periphery wall of axis body 4；10 edge of second flow channel
The radial arrangement of axis body 4, it is vertical with first runner 9；Third flow channel 11 is in tilted layout, and has angle between first runner 9；The
The opening of two runners 10 and/or third flow channel 11 is equipped with sand control screens 12.
Shaft described in the present embodiment can be applied to the fluid-operated generator of all kinds of uses, it can effectively solve the problem that dynamic
The heat dissipation problem at seal assembly position, improves service life.
Structure, feature and effect of the invention, the above institute are described in detail based on the embodiments shown in the drawings
Only presently preferred embodiments of the present invention is stated, but the present invention does not limit the scope of implementation as shown in the drawings, it is all according to structure of the invention
Think made change or equivalent example modified to equivalent change, when not going beyond the spirit of the description and the drawings,
It should all be within the scope of the present invention.
Claims (10)
1. a kind of generator front end assemblies, it is characterised in that: including,
Shell (1)；
Rotating shaft supporting seat (2) is fixedly mounted in the shell (1)；
Shaft, including axis body (4), the axis body (4) are installed in rotation in the rotating shaft supporting seat (2), the axis body (4)
One end be equipped with dynamic sealing component (3), the dynamic sealing component (3) passes through support component (6) and the rotating shaft support
Seat (2) is fixedly connected, and is formed with first between the periphery wall of the axis body (4) and the internal perisporium of the dynamic sealing component (3)
Chamber (7)；One end of the axis body (4) and the dynamic sealing component (3) assembly is equipped with vane rotor (8), and the end edge
It is axially arranged with first runner (9), is additionally provided on the axis body (4) for by the shell (1) inner cavity and the first runner (9)
The second flow channel (10) of connection, and the third flow channel for the first chamber (7) to be connected to the first runner (9)
(11)；
Circulation impeller (22) is fixedly mounted on the axis body (4), and is located at the same end with the vane rotor (8).
2. generator front end assemblies according to claim 1, it is characterised in that: the liquid outlet of the second flow channel (10) with
First runner (9) connection, the inlet of the second flow channel (10) are located on the periphery wall of the axis body (4), and described
Inlet is between the vane rotor (8) and the dynamic sealing component (3).
3. generator front end assemblies according to claim 1 or 2, it is characterised in that: the second flow channel (10) is along described
The radial arrangement of axis body (4), vertical with the first runner (9), the inlet of the second flow channel (10) is equipped with sand control screens
(12)。
4. generator front end assemblies according to claim 1, it is characterised in that: the first runner (9) is close to the leaf
The one end for taking turns rotor (8) is front end, and the other end is tail end, and one end of the third flow channel (11) is connected to the tail end, described
The other end of third flow channel (11) extends to the direction close to the vane rotor (8), finally even with the first chamber (7)
It is logical.
5. generator front end assemblies according to claim 1, it is characterised in that: the rotating shaft supporting seat (2) includes support
The outer diameter of seat mounting portion (13) and shaft mounting portion (14), the support base mounting portion (13) is greater than the shaft mounting portion (14)
Outer diameter, be formed with fluid course (5) on the support base mounting portion (13), the periphery wall of the support base mounting portion (13) with
The internal perisporium of the shell (1) fits, and the two is fixedly connected；
The inner cavity of the shaft mounting portion (14) is divided into shaft installation cavity and seal assembly installation cavity, peace in the shaft installation cavity
Equipped with rolling bearing (15), the axis body (4) is connect far from the one end of the vane rotor (8) with the rolling bearing (15),
The dynamic sealing component (3) is fixedly mounted in the seal assembly installation cavity by the support component (6)；
The shaft mounting portion (14) is formed with multiple delivery holes (32), the drain close to the one end of the vane rotor (8)
Hole (32) is equally spaced along the circumferential direction of the shaft mounting portion (14).
6. generator front end assemblies according to claim 5, it is characterised in that: the dynamic sealing component (3) includes driving
Dynamic set (16), spring pad (17), dynamic sealing rotor (18) and dynamic sealing stator (19), the actuating sleeve (16) are sleeved on the axis
On body (4), and it is fixedly connected with the axis body (4), the dynamic sealing rotor (18) and the actuating sleeve (16) are mating, and
The actuating sleeve (16) has free sliding degree relative to the dynamic sealing rotor (18) in the axial direction, rotatably mounted in the circumferential
Degree is zero；
The spring pad (17) is sleeved in the actuating sleeve (16) and abuts with the dynamic sealing rotor (18)；
The dynamic sealing stator (19) and the dynamic sealing rotor (18) are mating, the dynamic sealing stator (19) and the branch
Support component (6) is fixedly connected；
Have between the periphery wall of the internal perisporium and the axis body (4) of the dynamic sealing rotor (18) and the dynamic sealing stator (19)
There is gap, the gap is the first chamber (7).
7. generator front end assemblies according to claim 6, it is characterised in that: the support component (6) includes support base
Ontology (20) and stator holder (21), the support base ontology (20) are fixedly mounted in the seal assembly installation cavity, institute
Stator holder (21) is stated to be fixedly connected with one end of support base ontology (20) towards the vane rotor (8), it is described dynamic
Sealed stator (19) is fixedly mounted in the stator holder (21).
8. generator front end assemblies according to claim 7, it is characterised in that: the stator holder (21) includes first
Installation section and the second installation section, wherein being the second installation section, the circulation impeller close to the vane rotor (8)
(22) it is located in second installation section.
9. a kind of shaft, including axis body (4), it is characterised in that: one end edge of the axis body (4) is axially arranged with first runner (9),
The second flow channel (10) and third flow channel (11) being connected to the first runner (9) are additionally provided on the axis body (4)；
The close first runner (9) input end is inlet flow in the second flow channel (10) and the third flow channel (11)
Road, another is outlet flow.
10. shaft according to claim 9, it is characterised in that:
The opening of the second flow channel (10) and the third flow channel (11) is respectively positioned on the periphery wall of the axis body (4)；
The second flow channel (10) is arranged along the radial direction of the axis body (4), vertical with the first runner (9)；The third stream
Road (11) is in tilted layout, and has angle between the first runner (9)；
The opening of the second flow channel (10) and/or the third flow channel (11) is equipped with sand control screens (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811209477.5A CN109185017B (en) | 2018-10-17 | 2018-10-17 | Generator front end component and rotating shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811209477.5A CN109185017B (en) | 2018-10-17 | 2018-10-17 | Generator front end component and rotating shaft |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109185017A true CN109185017A (en) | 2019-01-11 |
| CN109185017B CN109185017B (en) | 2020-09-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811209477.5A Active CN109185017B (en) | 2018-10-17 | 2018-10-17 | Generator front end component and rotating shaft |
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| Country | Link |
|---|---|
| CN (1) | CN109185017B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE528898C (en) * | 1929-02-06 | 1931-07-04 | Jenny Elfriede Loeffler Geb Bo | Cooling of rotating waves |
| CN2835666Y (en) * | 2005-11-13 | 2006-11-08 | 王加华 | Zero leakage technology for pump |
| US20070196205A1 (en) * | 2006-02-17 | 2007-08-23 | Schlumberger Technology Corporation | Method and apparatus for extending flow range of a downhole turbine |
| CN202417959U (en) * | 2011-12-26 | 2012-09-05 | 大连环友屏蔽泵有限公司 | Non-clogging shield pump |
| CN202545098U (en) * | 2012-03-19 | 2012-11-21 | 中国石油天然气集团公司 | Downhole turbine generator system |
| CN108252921A (en) * | 2016-12-28 | 2018-07-06 | 上海佰诺泵阀有限公司 | The inner circulation structure of magnetic drive pump |
-
2018
- 2018-10-17 CN CN201811209477.5A patent/CN109185017B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE528898C (en) * | 1929-02-06 | 1931-07-04 | Jenny Elfriede Loeffler Geb Bo | Cooling of rotating waves |
| CN2835666Y (en) * | 2005-11-13 | 2006-11-08 | 王加华 | Zero leakage technology for pump |
| US20070196205A1 (en) * | 2006-02-17 | 2007-08-23 | Schlumberger Technology Corporation | Method and apparatus for extending flow range of a downhole turbine |
| CN202417959U (en) * | 2011-12-26 | 2012-09-05 | 大连环友屏蔽泵有限公司 | Non-clogging shield pump |
| CN202545098U (en) * | 2012-03-19 | 2012-11-21 | 中国石油天然气集团公司 | Downhole turbine generator system |
| CN108252921A (en) * | 2016-12-28 | 2018-07-06 | 上海佰诺泵阀有限公司 | The inner circulation structure of magnetic drive pump |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109185017B (en) | 2020-09-29 |
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