CN106439027A - Sealing device for guide vane sleeve of water turbine - Google Patents
Sealing device for guide vane sleeve of water turbine Download PDFInfo
- Publication number
- CN106439027A CN106439027A CN201611063633.2A CN201611063633A CN106439027A CN 106439027 A CN106439027 A CN 106439027A CN 201611063633 A CN201611063633 A CN 201611063633A CN 106439027 A CN106439027 A CN 106439027A
- Authority
- CN
- China
- Prior art keywords
- guide vane
- base cylinder
- water turbine
- sleeve
- top cover
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
Abstract
The invention provides a sealing device for a guide vane sleeve of a water turbine. The sealing device comprises an annular sealing part, a pressing cover and a connecting part, wherein the annular sealing part closely sleeves the guide vane sleeve, and the bottom surface of the annular sealing part is propped to the upper surface of a top cover; the pressing cover consisting of a base barrel and a connecting part sleeves the guide vane sleeve; the connecting part is connected with the top cover through a connector; the surface of the bottom prat of the base barrel is pressed to be propped to the annular sealing part under a state that the connector is connected with the top cover. According to the sealing device for the guide vane sleeve of the water turbine, the annular sealing part and the guide vane sleeve are sealed, and the annular sealing part and the top cover are sealed, so that a gap between the guide vane sleeve and the top cover can be effectively sealed, and as a result, water permeating can be prevented; in addition, the sealing device for the guide vane sleeve of the water turbine has the advantages of being simple in structure, and convenient to dismount and mount; the guide vane sleeve and the top cover are prevented from being dismounted during mounting, maintaining and replacing, so that both manpower and time can be saved to the maximum.
Description
Technical field
The present invention is a kind of sleeve seal device, particularly to a kind of guide vanes of water turbine sleeve seal device.
Background technology
In prior art, the guide vane sleeve of the hydraulic turbine is to be arranged in the through hole on water-turbine top cover, wherein guide vane sleeve
There is and top cover between very tiny gap, in order to prevent the press water in spiral case from entering within water-turbine top cover, it is right to need
Sealing gap between guide vanes of water turbine sleeve and water-turbine top cover.Typically on guide vanes of water turbine sleeve and hydraulic turbine top
Multiple sealing rings are set to sealing gap therebetween, although sealing ring is not the key structure portion of the hydraulic turbine between lid
Part, but because its quantity is more, the quality of its sealing effectiveness has a significant impact to the safe operation of unit.Making in the hydraulic turbine
With during, because cavitation effect can make guide vane sleeve and the contact surface of top cover plurality of grooves, thus leading to sealing ring pair
The sealing property in the gap between guide vane sleeve and top cover is deteriorated, and the problem of guide vane sleeve seepage, the press water in spiral case
Enter top cover through gap, threaten unit safety operation.
The method of solution guide vane sleeve leakage problems was in the past：By lifting guide vane sleeve, change guide vane sleeve and top
The sealing ring of lid contact surface.But due to top cover and guide vane sleeve contact surface because the reasons such as current cavitation rough to encapsulant
Produce cutting, lead to sealing ring is newly installed losing effect quickly.And, this kind of maintenance mode cycle is long, the extracting of guide vane sleeve
Need to remove the part such as guide vane arm above guide vane sleeve, take time and effort.
Content of the invention
It is an object of the invention to provide a kind of gap that can effectively seal between guide vane sleeve and top cover, and it is easy to tear open
Fill, can quickly realize maintenance and the guide vanes of water turbine sleeve seal device changed.
For reaching above-mentioned purpose, the invention provides a kind of guide vanes of water turbine sleeve seal device, the hydraulic turbine includes center
Offer the top cover of installing hole, and be arranged in the guide vane sleeve in described installing hole, described guide vanes of water turbine sleeve seal dress
Put for sealing the gap between described guide vane sleeve and the described installing hole of described top cover, wherein：
Described guide vanes of water turbine sleeve seal device includes lip ring, gland and connector, described lip ring
Laminating is sheathed on described guide vane sleeve, and the bottom surface of described lip ring is resisted against on the upper surface of described top cover, described
Gland is set on described guide vane sleeve；
Described gland includes base cylinder and connecting portion, described base jacket casing on described guide vane sleeve, described connecting portion along
The direction of the axis being radially orientated away from described base cylinder of described base cylinder extends the top outer edge being formed at described base cylinder, and
Along the direction of the outer surface extremely axis of described base cylinder of described base cylinder, the lower surface of described base cylinder tilts from the bottom to top；
Described connecting portion is connected with described top cover by described connector, and the lower surface of described base cylinder can be in described company
Fitting is pressed against on described lip ring in the state of being connected with described top cover.
Guide vanes of water turbine sleeve seal device as above, wherein, described connector includes regulating bolt and ringwise
Base, described base is fixedly installed on described top cover, and described base is coaxially disposed with described installing hole, described base
Internal diameter is more than the external diameter of described base cylinder, and described connecting portion offers multiple through holes wearing for described regulating bolt, and described
On base, corresponding described through hole offers the screw that multiple and described regulating bolt matches, the upper end of described regulating bolt and institute
State connecting portion and rotate and connect, and the lower end of described regulating bolt can be spun with described screw, passes through described tune in described connecting portion
In the state of section bolt is connected with described base, the lower end of described base cylinder stretches between described guide vane sleeve and described base,
And the lower surface of described base cylinder can be made to oppress against described ring by the depth adjusting the described regulating bolt described screw of screw-in
Shape sealing member.
Guide vanes of water turbine sleeve seal device as above, wherein, described base is by least two segmental arc splicing groups
Become.
Guide vanes of water turbine sleeve seal device as above, wherein, described tube chamber welds with base is on described top cover.
Guide vanes of water turbine sleeve seal device as above, wherein, described base cylinder is by least two curved portions splicing groups
Become, the top outer edge of each described curved portions is respectively formed with contiguous block, each described contiguous block splicing forms described connecting portion,
Upwardly extend respectively at the two ends of described contiguous block on the upper surface of each described contiguous block and be formed with lug, and each institute
State and the axis connecting hole parallel with the tangent line of described base cylinder is all offered on lug, two described lugs of each described contiguous block
Connected at a distance of nearer described lug with two adjacent described contiguous blocks respectively by connecting bolt.
Guide vanes of water turbine sleeve seal device as above, wherein, the curvature of inner surface of described base cylinder, described bottom
The curvature of inner surface of seat is identical with the curvature of the outer surface of described guide vane sleeve.
Guide vanes of water turbine sleeve seal device as above, wherein, the lower surface of described base cylinder and described base cylinder
Angle between sagittal plane is 30 °.
Guide vanes of water turbine sleeve seal device as above, wherein, between described base cylinder and described guide vane sleeve being
Gap coordinates.
Guide vanes of water turbine sleeve seal device as above, wherein, the diameter of section of described lip ring is more than institute
State the wall thickness of base cylinder.
Guide vanes of water turbine sleeve seal device as above, wherein, described lip ring is packing.
Compared with prior art, advantages of the present invention is as follows：
In the guide vanes of water turbine sleeve seal device that the present invention provides, the state that is connected with top cover by connector in gland
Under, lip ring can be pressed on the outer wall of guide vane sleeve and the top surface of top cover, make lip ring and guide vane sleeve
Between, form sealing between lip ring and top cover simultaneously, effectively blocked the gap between guide vane sleeve and top cover, prevented
The phenomenon of infiltration occurs；In addition, the guide vanes of water turbine sleeve seal device that the present invention provides also has structure being simply easy to dismount
Advantage, install, maintenance and change during guide vane sleeve and top cover need not be taken apart, save people to the full extent
Power takes.
Brief description
The following drawings is only intended to, in doing schematic illustration and explanation to the present invention, not delimit the scope of the invention.Wherein：
Fig. 1 is that the structure of the gland malcompression lip ring of guide vanes of water turbine sleeve seal device that the present invention provides is shown
It is intended to；
Fig. 2 is the structural representation of the gland compression lip ring of the guide vanes of water turbine sleeve seal device that the present invention provides
Figure；
Fig. 3 is the side view of the gland of guide vanes of water turbine sleeve seal device that the present invention provides；
Fig. 4 is the top view of the gland of guide vanes of water turbine sleeve seal device that the present invention provides；
Fig. 5 is the side view of the base of guide vanes of water turbine sleeve seal device that the present invention provides；
Fig. 6 is the top view of the base of guide vanes of water turbine sleeve seal device that the present invention provides.
Drawing reference numeral explanation：
1 guide vane sleeve
2 top covers
3 lip rings
4 glands
41 base cylinders
411 curved portions
42 connecting portions
421 through holes
422 contiguous blocks
423 lugs
4231 connecting holes
5 connectors
51 regulating bolts
52 bases
521 screws
522 segmental arcs
Specific embodiment
In order to have clearer understanding to technical scheme, purpose and effect, in conjunction with the brief description present invention
Specific embodiment.
As shown in Figures 1 and 2, a kind of the invention provides guide vanes of water turbine sleeve 1 sealing device, wherein, hydraulic turbine bag
The center of including offers the top cover 2 of installing hole, and is arranged in the guide vane sleeve 1 in installing hole, because guide vane sleeve 1 is to can be removably mounted
Be arranged in the installing hole of top cover 2, therefore either large or small between the inwall of the installing hole of guide vane sleeve 1 and top cover 2 can not keep away
That exempts from has certain gap, and when using, in order to prevent the press water in spiral case between guide vane sleeve 1 and top cover 2
Gap enters the inside of top cover 2 it is therefore desirable to seal to the gap between guide vane sleeve 1 and top cover 2, and the present invention provides
Guide vanes of water turbine sleeve 1 sealing device is exactly for sealing the gap between guide vane sleeve 1 and the installing hole of top cover 2, wherein：
Guide vanes of water turbine sleeve 1 sealing device includes lip ring 3, gland 4 and connector 5, and lip ring 3 is fitted
Be sheathed on guide vane sleeve 1, and the bottom surface of lip ring 3 be resisted against on the upper surface of top cover 2, that is, lip ring 3 with lead
Leaf sleeve 1 seals, and lip ring 3 is sealed with top cover 2 so that lip ring 3, guide vane sleeve 1 and top cover 2 three enclose simultaneously
Close shape and define the space that a gap being only capable of between guide vane sleeve 1 and top cover 2 connects, that is, pass through lip ring
Gap between guide vane sleeve 1 and top cover 2 and space outerpace are separated by 3, so that the press water of outside is due to lip ring 3
Stop and cannot be introduced into inside gap and the top cover 2 between guide vane sleeve 1 and top cover 2；Gland 4 is set in guide vane sleeve
1 upper press cover 4 is used for compressing lip ring 3, so that lip ring 3 is tightly against on guide vane sleeve 1 and top cover 2, thus protecting
Sealing effectiveness between card lip ring 3 and guide vane sleeve 1, between lip ring 3 and top cover 2；
Gland 4 includes base cylinder 41 and connecting portion 42, and base cylinder 41 is sheathed on guide vane sleeve 1, and connecting portion 42 is along base cylinder 41
The direction of the axis being radially orientated away from base cylinder 41 extend and be formed at the top outer edge of base cylinder 41, wherein, connecting portion 42
It is formed in one with base cylinder 41, connecting portion 42 is formed in one with base cylinder 41 setting, the intensity of gland 4 can be improved, just simultaneously
Production and processing in gland 4；And the direction of the axis to base cylinder 41 for the outer surface along base cylinder 41, the lower surface of base cylinder 41
Tilt from the bottom to top, by the lower surface of base cylinder 41 is set to inclined-plane, vertical direction can be applied to lip ring 3
Pressure makes it fit tightly and top cover 2 between, and the pressure that simultaneously can also apply horizontal direction to lip ring 3 makes itself and stator
Fit tightly between sleeve 1, thus ensureing between lip ring 3 and guide vane sleeve 1, between lip ring 3 and top cover 2
Sealing effectiveness；
Connecting portion 42 is connected with top cover 2 by connector 5, and the lower surface of base cylinder 41 can in connector 5 with top cover 2 even
It is pressed against in the state of connecing on lip ring 3, be connected with connecting portion 42 and top cover 2 respectively by connector 5, thus will
The position of gland 4 is fixed so as to be maintained at the state oppressed against lip ring 3, thus ensureing the sealing of lip ring 3
Effect.
Further, as shown in Figures 1 and 2, the invention provides a kind of guide vanes of water turbine sleeve 1 sealing device, wherein,
Connector 5 includes regulating bolt 51 and base ringwise 52, and base 52 is fixedly installed on top cover 2, and base 52 and installation
Hole is coaxially disposed, and the internal diameter of base 52 is more than the external diameter of base cylinder 41, and when mounted, base cylinder 41 is set on guide vane sleeve 1, and its
Bottom is inserted between base 52 and guide vane sleeve 1, and connecting portion 42 offers the through hole that multiple confession regulating bolts 51 wear
On 421, and base 52, corresponding through hole 421 offers multiple screws 521 matching with regulating bolt 51, regulating bolt 51 upper
End is rotated with connecting portion 42 and is connected, and the lower end of regulating bolt 51 can be spun with screw 521, and wherein, screw 521 could be arranged to
Run through base 52, the regulating bolt 51 so can having more screws in the space of the depth of screw 521, pass through to adjust in connecting portion 42
In the state of section bolt 51 is connected with base 52, the lower end of base cylinder 41 stretches between guide vane sleeve 1 and base 52, and by adjusting
Whole regulating bolt 51 screws in the depth of screw 521, can adjust the position height of the lower end of base cylinder 41, so as to make the bottom of base cylinder 41
Portion surface is oppressed against lip ring 3.In addition, also, it should be noted because connector 5 is directly to connect with connecting portion 42
Connect, connecting portion 42 and base cylinder 41 are arranged the connection disconnection that can avoid the occurrence of between connecting portion 42 and base cylinder 41 that is formed in one
Situation occur.Wherein, the internal diameter of base 52 should be greater than 320mm, preferably, the internal diameter of base 52 is 386mm.Need explanation
, the internal diameter of base 52 flexibly can select according to the external diameter of base cylinder 41, and the present invention is not limited thereto.
In addition, connector 5 can not also include base 52, screw is directly opened on top cover 2, and is adjusted merely by
It is also possible to realize the connection between gland 4 and top cover 2 in the screw that bolt 51 threads directly on top cover 2.
Further, the invention provides a kind of guide vanes of water turbine sleeve 1 sealing device, wherein, base 52 is by least
Two segmental arc 522 splicing compositions, base 52 is set to splice to form to have by least two segmental arcs 522 be easy to base 52
The advantage installed.Preferably, as shown in Figures 5 and 6, base 52 is made up of the segmental arc 522 of two semi-circular shape.
Preferably, the invention provides a kind of guide vanes of water turbine sleeve 1 sealing device, wherein, base 52 is welded on top
On lid 2.Base 52 is fixed on top cover 2 by way of welding, can effectively keep the position of base 52 will not shift,
Thus carry out spacing to the base cylinder 41 being inserted between base 52 and guide vane sleeve 1 and lip ring 3, prevent base
52 position skew and pull the position of base cylinder 41 to offset and lead to the pressure that lip ring 3 is subject to unbalanced and seal failure
Situation.It should be noted that base 52 is welded on the optimal fixed form on top cover 2 for base 52, but for it is not recommended that welding
Or still can be base 52 to be fixed on top cover 2 using by way of fixture fixation in the case of being not easy to welding, this
Bright it is not limited thereto.
Further, as shown in Figures 3 and 4, the invention provides a kind of guide vanes of water turbine sleeve 1 sealing device, wherein,
Base cylinder 41 is made up of at least two curved portions 411 splicing, and the top outer edge of each curved portions 411 is respectively formed with contiguous block
422, the contiguous block 422 of each curved portions 411 all offers the through hole 421 wearing for regulating bolt 51, each contiguous block 422 splices
Composition connecting portion 42, on the upper surface of each contiguous block 422 near contiguous block 422 two ends at upwardly extend respectively be formed with convex
The axis connecting hole parallel with the tangent line of base cylinder 41 4231 is all offered on ear 423, and each lug 423, each contiguous block 422
Two lugs 423 pass through connecting bolt and connect at a distance of nearer lug 423 with two adjacent contiguous blocks 422 respectively, respectively
After the lug 423 that individual contiguous block 422 passes through to arrange thereon is sequentially connected with, the complete base cylinder 41 of each curved portions 411 splicing composition, and
Each contiguous block 422 splicing group is shaped as complete connecting portion 42, thus splicing the complete gland 4 of composition.By base cylinder 41 is set
It is set to multiple arcs portion 411 splicing composition can be easy to base cylinder 41 is arranged on guide vane sleeve 1, guide vane sleeve 1 need not be carried out
Any operation, dismantles without to the hydraulic turbine.Preferably, as shown in Figures 3 and 4, base cylinder 41 is by two curved portions 411
Splicing composition, base cylinder 41 is provided with two curved portions 411 and forms, you can to reach the effect being easily installed, simultaneously from
The structure of base cylinder 41 is simplified on big degree it is only necessary to use two connecting bolts, dismounting speed can be effectively improved, include simultaneously
Parts less, reduce parts lose risk.
Preferably, the invention provides a kind of guide vanes of water turbine sleeve 1 sealing device, wherein, the inner side table of base cylinder 41
The curvature in face, the curvature of the inner surface of base 52 are identical with the curvature of the outer surface of guide vane sleeve 1.By by base cylinder 41
The curvature of the outer surface of the curvature of inner surface, the curvature of the inner surface of base 52 and guide vane sleeve 1 is set to identical
Numerical value, can make distance everywhere between base cylinder 41 and guide vane sleeve 1 equal, lip ring 3 uniform force can be made it is ensured that its
Sealing effectiveness, can also ensure that the distance everywhere between base cylinder 41 and base 52 is equal simultaneously so that the two uniform force and,
Reduce the situation occurring therebetween offseting.
Preferably, the invention provides a kind of guide vanes of water turbine sleeve 1 sealing device, wherein, the bottom table of base cylinder 41
Angle between the sagittal plane of face and base cylinder 41 is 30 °.When this angle is set to 30 °, can in gland 4 with top cover 2 even
Reduce the feelings of the radial and outward deformation along top cover 2 for the lip ring 3 while effectively lip ring 3 compressing after connecing
Condition occurs.It should be noted that this angle is not limited only to 30 °, on the premise of the sealing effectiveness ensureing lip ring 3, should
Angle can also be not limited thereto for 45 °, other angles such as 60 °, the present invention.
Preferably, the invention provides a kind of guide vanes of water turbine sleeve 1 sealing device, wherein, base cylinder 41 and guide blade sleeve
For gap cooperation between cylinder 1, that is, there is the cooperation of gap (include minimum clearance and be equal to zero), that is, base cylinder 41 and guide vane sleeve
Can have certain gap or contact of fitting between 1.When minimum clearance is zero, i.e. base cylinder 41 and guide vane sleeve 1
Between contact bonded to each other when, be avoided that between base cylinder 41 and guide vane sleeve 1 produce skew, fundamentally reduce lip ring
3 discontinuity and sealing effectiveness difference situation.Wherein, the internal diameter of base cylinder 41 should be more than 300mm, as preferred base cylinder 41
Internal diameter is 366mm.It should be noted that the internal diameter of base cylinder 41 flexibly can be arranged according to guide vane sleeve 1 external diameter, the present invention is not
As limit.Under normal circumstances, the wall thickness of base cylinder 41 is set to 20mm.
Preferably, the invention provides a kind of guide vanes of water turbine sleeve 1 sealing device, wherein, the cutting of lip ring 3
Face is with diameter greater than the wall thickness of base cylinder 41.When the diameter of section of lip ring 3 is more than the wall thickness of base cylinder 41, base cylinder
Lip ring 3 can be made during the 41 pairs of lip rings 3 pressure to produce elastic deformation towards guide vane sleeve 1 and top cover 2 thus with lead
Effectively seal between leaf sleeve 1 and top cover 2, it is to avoid occur to produce enough deformation because lip ring 3 section is less
Measure and lead to the poor situation of sealing effectiveness.
Preferably, the invention provides a kind of guide vanes of water turbine sleeve 1 sealing device, wherein, lip ring 3 is disk
Root.It should be noted that lip ring 3 is not limited only to packing, other can play application claims to can also be rubber ring etc.
Sealing effectiveness structure, the present invention is not limited thereto.
Or the present invention is also understood that and is：The invention provides a kind of guide vanes of water turbine sleeve seal device, this is filled
Put the root that banding is contacted with top cover in guide vane sleeve, thus reaching the sealing function to guide vane sleeve infiltration.
The technical solution adopted in the present invention is that this device is divided into base and gland two parts, and is all splitted structure,
Similar pipeline cuff, the base of this device is simultaneously welded with top cover top by welding manner, the interior table of the gland of this device
Face is contacted with guide vane sleeve.During installation, packing is put in base, with gland compression by packing banding in guide vane sleeve and top cover
The root of contact, thus playing the effect of sealing, finally gland is fixed by bolts on base.
Compared with prior art, advantages of the present invention is as follows：
In the guide vanes of water turbine sleeve seal device that the present invention provides, the state that is connected with top cover by connector in gland
Under, lip ring can be pressed on the outer wall of guide vane sleeve and the top surface of top cover, make lip ring and guide vane sleeve
Between, form sealing between lip ring and top cover simultaneously, effectively blocked the gap between guide vane sleeve and top cover, prevented
The phenomenon of infiltration occurs；In addition, the guide vanes of water turbine sleeve seal device that the present invention provides also has structure being simply easy to dismount
Advantage, install, maintenance and change during guide vane sleeve and top cover need not be taken apart, save people to the full extent
Power takes.
The foregoing is only the schematic specific embodiment of the present invention, be not limited to the scope of the present invention.Any
Those of ordinary skill in the art, on the premise of the design without departing from the present invention and principle done equivalent variations with repair
Change, the scope of protection of the invention all should be belonged to.
Claims (10)
1. a kind of guide vanes of water turbine sleeve seal device, the hydraulic turbine includes the top cover that center offers installing hole, and is arranged in
Guide vane sleeve in described installing hole, described guide vanes of water turbine sleeve seal device is used for sealing described guide vane sleeve and described top
Lid described installing hole between gap it is characterised in that：
Described guide vanes of water turbine sleeve seal device includes lip ring, gland and connector, described lip ring laminating
It is sheathed on described guide vane sleeve, and the bottom surface of described lip ring is resisted against on the upper surface of described top cover, described gland
It is set on described guide vane sleeve；
Described gland includes base cylinder and connecting portion, and, on described guide vane sleeve, described connecting portion is along described for described base jacket casing
The direction of the axis being radially orientated away from described base cylinder of base cylinder extends the top outer edge being formed at described base cylinder, and along
The direction of the outer surface of the described base cylinder extremely axis of described base cylinder, the lower surface of described base cylinder tilts from the bottom to top；
Described connecting portion is connected with described top cover by described connector, and the lower surface of described base cylinder can be in described connector
It is pressed against on described lip ring in the state of being connected with described top cover.
2. guide vanes of water turbine sleeve seal device according to claim 1 is it is characterised in that described connector includes adjusting
Bolt and base ringwise, described base is fixedly installed on described top cover, and described base is coaxially set with described installing hole
Put, the internal diameter of described base is more than the external diameter of described base cylinder, described connecting portion offers and multiple wears for described regulating bolt
Through hole, and on described base, corresponding described through hole offers the screw that multiple and described regulating bolt matches, described regulation
The upper end of bolt is rotated with described connecting portion and is connected, and the lower end of described regulating bolt can be spun with described screw, in described company
In the state of socket part is connected with described base by described regulating bolt, the lower end of described base cylinder stretch to described guide vane sleeve with
Between described base, and the lower surface pressure of described base cylinder can be made by the depth adjusting the described regulating bolt described screw of screw-in
Compel against described lip ring.
3. guide vanes of water turbine sleeve seal device according to claim 2 is it is characterised in that described base is by least two
Segmental arc splicing composition.
4. the guide vanes of water turbine sleeve seal device according to Claims 2 or 3 is it is characterised in that described tube chamber welds with base exists
On described top cover.
5. the guide vanes of water turbine sleeve seal device according to any one of claims 1 to 3 is it is characterised in that described base cylinder
It is made up of at least two curved portions splicings, the top outer edge of each described curved portions is respectively formed with contiguous block, each described company
Connect block splicing and form described connecting portion, on the upper surface of each described contiguous block at the two ends of described contiguous block respectively upwards
Extend to be formed with lug, and each described lug and all offer the axis connecting hole parallel with the tangent line of described base cylinder, each
Two described lugs of described contiguous block pass through connecting bolt respectively with two adjacent described contiguous blocks at a distance of nearer institute
State lug to connect.
6. guide vanes of water turbine sleeve seal device according to claim 2 is it is characterised in that the inner surface of described base cylinder
Curvature, the curvature of the inner surface of described base identical with the curvature of the outer surface of described guide vane sleeve.
7. guide vanes of water turbine sleeve seal device according to claim 1 is it is characterised in that the lower surface of described base cylinder
The angle and sagittal plane of described base cylinder between is 30 °.
8. guide vanes of water turbine sleeve seal device according to claim 1 is it is characterised in that described base cylinder and described stator
Coordinate for gap between sleeve.
9. guide vanes of water turbine sleeve seal device according to claim 1 it is characterised in that described lip ring cut
Face is with diameter greater than the wall thickness of described base cylinder.
10. guide vanes of water turbine sleeve seal device according to claim 1 is it is characterised in that described lip ring is
Packing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611063633.2A CN106439027B (en) | 2016-11-25 | 2016-11-25 | A kind of guide vanes of water turbine sleeve seal device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611063633.2A CN106439027B (en) | 2016-11-25 | 2016-11-25 | A kind of guide vanes of water turbine sleeve seal device |
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| CN106439027A true CN106439027A (en) | 2017-02-22 |
| CN106439027B CN106439027B (en) | 2018-10-23 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107013773A (en) * | 2017-05-10 | 2017-08-04 | 宁波天生密封件有限公司 | Sealing and connecting device |
| CN109356763A (en) * | 2018-10-26 | 2019-02-19 | 大埔县水力发电设备总厂 | Water turbine water guiding vane axial seal structure |
| CN112555294A (en) * | 2020-11-20 | 2021-03-26 | 山东北溟科技有限公司 | Underwater separation device |
| CN114151421A (en) * | 2021-10-27 | 2022-03-08 | 浙江东溟科技有限公司 | Deep sea split separation device |
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| CN203703131U (en) * | 2014-02-18 | 2014-07-09 | 云南国为机械科技有限公司 | Expanding sealing type water turbine main shaft sealing structure |
| CN204327382U (en) * | 2014-12-03 | 2015-05-13 | 重庆大唐国际彭水水电开发有限公司 | Large-scale mixed turbine-generator units stator Intermediate shaft sleeve sealing configuration |
| CN204459539U (en) * | 2014-12-17 | 2015-07-08 | 南车二七车辆有限公司 | A kind of railway freight-car wedge-type seal flexible flange joint |
| CN206190899U (en) * | 2016-11-25 | 2017-05-24 | 国家电网公司 | Hydraulic turbine stator sleeve sealing device |
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| CN107013773A (en) * | 2017-05-10 | 2017-08-04 | 宁波天生密封件有限公司 | Sealing and connecting device |
| CN109356763A (en) * | 2018-10-26 | 2019-02-19 | 大埔县水力发电设备总厂 | Water turbine water guiding vane axial seal structure |
| CN112555294A (en) * | 2020-11-20 | 2021-03-26 | 山东北溟科技有限公司 | Underwater separation device |
| CN112555294B (en) * | 2020-11-20 | 2022-02-22 | 山东北溟科技有限公司 | Underwater separation device |
| CN114151421A (en) * | 2021-10-27 | 2022-03-08 | 浙江东溟科技有限公司 | Deep sea split separation device |
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