CN204704055U - A kind of collet formula spindle end face seals - Google Patents
A kind of collet formula spindle end face seals Download PDFInfo
- Publication number
- CN204704055U CN204704055U CN201520423339.2U CN201520423339U CN204704055U CN 204704055 U CN204704055 U CN 204704055U CN 201520423339 U CN201520423339 U CN 201520423339U CN 204704055 U CN204704055 U CN 204704055U
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- CN
- China
- Prior art keywords
- sealing
- collet
- sealing seat
- face seals
- change
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- 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.)
- Expired - Fee Related
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- 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
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- Hydraulic Turbines (AREA)
- Sealing Devices (AREA)
- Gasket Seals (AREA)
Abstract
The utility model discloses a kind of collet formula spindle end face seals, comprise sealing seat, maintenance sealing, sealing load module and change, sealing seat and change are separately fixed on hydraulic turbine main shaft; The lower end surface of sealing seat is provided with the mounting groove of invaginating, and maintenance sealing is fixed in mounting groove; The upper end of sealing seat is provided with seal groove, and sealing load module is arranged in seal groove, and the upper end of sealing load module abuts with change; Sealing load module is made up of collet and Sealing, and collet arranges installation position, and Sealing is fixed on installation position; Collet external circumferential arranges Stamping Steel Ribbon.Adopt such scheme, the utility model structure is simple, and easy to assembly, Sealing is very easily fitted with change under the effect of hydraulic pressure, improves the reliability of sealing, reaches good leakage-proof effect, has good market using value.
Description
Technical field
The utility model relates to hydraulic turbine generator design of Sealing Structure field, in particular, and a kind of collet formula spindle end face seals.
Background technique
Water turbine is the dynamic power machine of rotating mechanical energy the transformation of energy of current, and it belongs to the turbomachinery in fluid machinery.Hydraulic turbine main shaft sealing device is important parts in water turbine, and its effect is leaking between sealing water turbine rotating part and standing part, and the quality of sealability directly affects the stable of unit and safe operation.
End face seal is a kind of common structure pattern of main shaft seal, when its working principle is unit operation, is contained in the jack-up under the effect of water pressure of the Sealing between sealing seat with seal stopper ring and contacts with change and realize sealing.After unit operation a period of time, the seal groove position of sealing seat gets rusty easily, and this will cause Sealing jack-up difficulty, and sealing function reduces, and water leakage increases.Therefore, prior art existing defects, needs to improve.
Model utility content
Technical problem to be solved in the utility model is to provide a kind of novel collet formula spindle end face seals.
For achieving the above object, the utility model have employed following technological scheme: a kind of collet formula spindle end face seals, comprise sealing seat, maintenance sealing, sealing load module and change,
Described sealing seat and change are separately fixed on hydraulic turbine main shaft; The lower end surface of described sealing seat is provided with the mounting groove of invaginating, and described maintenance sealing is fixed in mounting groove;
The upper end of described sealing seat is provided with seal groove, and described sealing load module is arranged in seal groove, and the upper end of described sealing load module abuts with change;
Described sealing load module is made up of collet and Sealing, and described collet arranges installation position, and described Sealing is fixed on described installation position;
Described collet external circumferential arranges Stamping Steel Ribbon.
Preferably, in described collet formula spindle end face seals, the mounting groove of described sealing seat lower end surface is provided with seal stopper ring;
Described sealing seat lower end surface arranges installation position two, and described seal stopper ring is spirally connected and is fixed on described installation position two.
Preferably, in described collet formula spindle end face seals, described seal stopper ring is provided with mounting groove two, and the shape of described mounting groove and mounting groove two and overhauling seals suitable.
Preferably, in described collet formula spindle end face seals, described maintenance sealing is suppressed by rubber and is formed, and described maintenance is sealed into ellipsoidal structure.
Preferably, in described collet formula spindle end face seals, described change is provided with fixed position, and on described hydraulic turbine main shaft, correspondence arranges fixing part, described fixed position and fixing part fixing for being spirally connected.
Preferably, in described collet formula spindle end face seals, Stamping Steel Ribbon two between described change and hydraulic turbine main shaft, is provided with.
Preferably, in described collet formula spindle end face seals, described sealing seat lower end surface arranges fixed position two, and on described hydraulic turbine main shaft, correspondence arranges fixing part two, and described fixed position two is fixing for being spirally connected with fixing part two.
Preferably, in described collet formula spindle end face seals, between described sealing seat lower end surface and hydraulic turbine main shaft, Stamping Steel Ribbon three is provided with.
Preferably, in described collet formula spindle end face seals, described sealing seat is provided with attachment hole, and described attachment hole is communicated with seal groove.
Preferably, in described collet formula spindle end face seals, the section of described sealing seat is ladder-type.
That adopt such scheme, the utility model structure is simple relative to the beneficial effect of prior art, easy to assembly, Sealing is very easily fitted with change under the effect of hydraulic pressure, improves the reliability of sealing, reach good leakage-proof effect, there is good market using value.
Accompanying drawing explanation
Fig. 1 is the structural representation of an embodiment of the present utility model.
Embodiment
For the ease of understanding the utility model, below in conjunction with the drawings and specific embodiments, the utility model is described in detail.Preferred embodiment of the present utility model is given in accompanying drawing.But the utility model can realize in many different forms, is not limited to the embodiment described by this specification.On the contrary, provide the object of these embodiments be make the understanding of disclosure of the present utility model more comprehensively thorough.
It should be noted that, when element is called as " being fixed on " another element, directly can there is element placed in the middle in it on another element or also.When an element is considered to " connection " another element, it can be directly connected to another element or may there is centering elements simultaneously.The term " vertical " that this specification uses, " level ", "left", "right" and similar statement are just for illustrative purposes.
Unless otherwise defined, all technology of using of this specification and scientific terminology are identical with belonging to the implication that those skilled in the art of the present utility model understand usually.The object of the term used in specification of the present utility model in this specification just in order to describe specific embodiment is not for limiting the utility model.
As shown in Figure 1, an embodiment of the present utility model is, these collet formula spindle end face seals, comprises sealing seat 1, maintenance sealing 5, sealing load module 2 and change 3;
Described sealing seat 1 and change 3 are separately fixed on hydraulic turbine main shaft 4; The lower end surface of described sealing seat is provided with the mounting groove of invaginating, and described maintenance sealing 5 is fixed in mounting groove; The section of described sealing seat is ladder-type.Preferably, the mounting groove of described sealing seat lower end surface is provided with seal stopper ring 6.Further, described seal stopper ring 6 is provided with mounting groove two, and the shape of described mounting groove and mounting groove two and overhauling seals suitable.Further, described sealing seat lower end surface arranges installation position two, and described seal stopper ring 6 is spirally connected and is fixed on described installation position two.Preferably, described maintenance sealing 5 is suppressed by rubber and is formed, and described maintenance is sealed into ellipsoidal structure.Preferably, described installation position two is a pair screw or three screws; Seal stopper ring is spirally connected by bolt and is fixed on sealing seat lower end surface.Such as, the mounting groove sealing suitable invaginating with maintenance is set in the lower end surface on the first stage rank of sealing seat, the mounting groove two sealing suitable invaginating with maintenance is set in the upper-end surface of seal stopper ring, the mounting groove two that seal stopper ring seals suitable invaginating with maintenance is aimed at and overhauls the position sealed and push down to overhaul and seal, and match in the mounting groove of shape by maintenance sealing press-in sealing seat seals with maintenance, then, by bolt seal stopper ring is spirally connected and is fixed on sealing seat lower end surface, make seal stopper ring, maintenance sealing becomes to be integrated with sealing seat.
Preferably, described sealing seat lower end surface arranges fixed position two, and on described hydraulic turbine main shaft, correspondence arranges fixing part two, and described fixed position two is fixing for being spirally connected with fixing part two.Preferably, described fixed position two comprises at least one group of screw.Further, described one group of screw comprises at least one pair of tapped hole.Preferably, Stamping Steel Ribbon three is provided with between described sealing seat lower end surface and hydraulic turbine main shaft.Further, described Stamping Steel Ribbon three is suppressed by rubber and is formed.Such as, arrange two groups of screws in sealing seat lower end surface, often organizing screw has a pair tapped hole, and being spirally connected sealing seat lower end surface by screw is fixed on hydraulic turbine main shaft.In seal stopper ring, maintenance sealing with after sealing seat is assembled into one, then sealing seat lower end surface is spirally connected is fixed on hydraulic turbine main shaft.
The upper end of described sealing seat 1 is provided with seal groove 11, and described sealing load module 2 is arranged in seal groove 11, and the upper end of described sealing load module 2 abuts with change 3; Described sealing load module 2 is made up of collet 21 and Sealing 22, and described collet 21 arranges installation position, and described Sealing is fixed on described installation position; The upper end of described Sealing abuts with change.Preferably, described installation position comprises at least one group of draw-in groove.Further, described one group of draw-in groove comprises at least one pair of annular groove.As, described collet external circumferential arranges a pair annular groove, arrange bottom Sealing a pair with the suitable snap ring of annular groove, described collet and Sealing connect and fix.Preferably, described collet 21 external circumferential arranges Stamping Steel Ribbon 211, and described sealing load module and seal groove inwall are tightly fitted.Further, described Stamping Steel Ribbon and Sealing are suppressed by rubber and are formed.Preferably, described sealing seat 1 is provided with attachment hole 12, and described attachment hole 12 is communicated with seal groove 11.Further, described collet is hollow structure.Further, described sealing seat is provided with opening in seal groove bottom position, is provided with seal stopper ring two in described opening, described opening both sides are provided with Stamping Steel Ribbon four, to seal the gap between collet and opening.Sealing load module divided collet 21 and Sealing 22 two pieces to make, Sealing is contained in collet, and the surface of contact of collet and Stamping Steel Ribbon is little, the easy jack-up when sealing part works, and collet material is stainless steel, not easily gets rusty, and improves the reliability of sealing.During use, pressure intake pipe and attachment hole are connected, pressure intake pipe starts water inlet, water enters in attachment hole, contact seals, and Sealing is fitted with change under the effect of the pressure, when causing the upper and lower play of rotating part when unit load change, Sealing still can be fitted with change under the effect of hydraulic pressure, and good sealing effect, reaches good leakage-proof effect.
Described change is provided with fixed position, and on described hydraulic turbine main shaft, correspondence arranges fixing part, described fixed position and fixing part fixing for being spirally connected.Stamping Steel Ribbon two is provided with between described change and hydraulic turbine main shaft.Preferably, described installation position two is a pair screw or three screws; Described change is spirally connected by bolt and is fixed on hydraulic turbine main shaft.Such as, change arranges two groups of screws, often organizing screw has a pair tapped hole, and change being spirally connected by screw is fixed on hydraulic turbine main shaft.Preferably, described Stamping Steel Ribbon two is suppressed by rubber and is formed.
It should be noted that, above-mentioned each technical characteristics continues combination mutually, is formed not in above-named various embodiment, is all considered as the scope that the utility model specification is recorded; Further, for those of ordinary skills, can be improved according to the above description or convert, and all these improve and convert the protection domain that all should belong to the utility model claims.
Claims (10)
1. collet formula spindle end face seals, is characterized in that, comprise sealing seat, maintenance sealing, sealing load module and change,
Described sealing seat and change are separately fixed on hydraulic turbine main shaft; The lower end surface of described sealing seat is provided with the mounting groove of invaginating, and described maintenance sealing is fixed in mounting groove;
The upper end of described sealing seat is provided with seal groove, and described sealing load module is arranged in seal groove, and the upper end of described sealing load module abuts with change;
Described sealing load module is made up of collet and Sealing, and described collet arranges installation position, and described Sealing is fixed on described installation position;
Described collet external circumferential arranges Stamping Steel Ribbon.
2. collet formula spindle end face seals according to claim 1, it is characterized in that, the mounting groove of described sealing seat lower end surface is provided with seal stopper ring;
Described sealing seat lower end surface arranges installation position two, and described seal stopper ring is spirally connected and is fixed on described installation position two.
3. collet formula spindle end face seals according to claim 2, it is characterized in that, described seal stopper ring is provided with mounting groove two, and the shape of described mounting groove and mounting groove two and overhauling seals suitable.
4. collet formula spindle end face seals according to claim 3, is characterized in that, described maintenance sealing is suppressed by rubber and formed, and described maintenance is sealed into ellipsoidal structure.
5. collet formula spindle end face seals according to claim 2, it is characterized in that, described change is provided with fixed position, and on described hydraulic turbine main shaft, correspondence arranges fixing part, described fixed position and fixing part fixing for being spirally connected.
6. collet formula spindle end face seals according to claim 5, is characterized in that, be provided with Stamping Steel Ribbon two between described change and hydraulic turbine main shaft.
7. collet formula spindle end face seals according to claim 6, it is characterized in that, described sealing seat lower end surface arranges fixed position two, and on described hydraulic turbine main shaft, correspondence arranges fixing part two, and described fixed position two is fixing for being spirally connected with fixing part two.
8. collet formula spindle end face seals according to claim 7, is characterized in that, be provided with Stamping Steel Ribbon three between described sealing seat lower end surface and hydraulic turbine main shaft.
9. collet formula spindle end face seals according to claim 7, it is characterized in that, described sealing seat is provided with attachment hole, and described attachment hole is communicated with seal groove.
10., according to the arbitrary described collet formula spindle end face seals of claim 1-9, it is characterized in that, the section of described sealing seat is ladder-type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520423339.2U CN204704055U (en) | 2015-06-18 | 2015-06-18 | A kind of collet formula spindle end face seals |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520423339.2U CN204704055U (en) | 2015-06-18 | 2015-06-18 | A kind of collet formula spindle end face seals |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204704055U true CN204704055U (en) | 2015-10-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520423339.2U Expired - Fee Related CN204704055U (en) | 2015-06-18 | 2015-06-18 | A kind of collet formula spindle end face seals |
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| CN (1) | CN204704055U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108979933A (en) * | 2018-07-13 | 2018-12-11 | 广州百份百节能科技有限公司 | The permanent magnetism water oil hanging sealing device of hydraulic turbine coefficient of friction is reduced completely |
-
2015
- 2015-06-18 CN CN201520423339.2U patent/CN204704055U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108979933A (en) * | 2018-07-13 | 2018-12-11 | 广州百份百节能科技有限公司 | The permanent magnetism water oil hanging sealing device of hydraulic turbine coefficient of friction is reduced completely |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151014 Termination date: 20160618 |
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| CF01 | Termination of patent right due to non-payment of annual fee |