CN207093775U - A kind of shaft end labyrinth seal structure - Google Patents
A kind of shaft end labyrinth seal structure Download PDFInfo
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- CN207093775U CN207093775U CN201720956391.3U CN201720956391U CN207093775U CN 207093775 U CN207093775 U CN 207093775U CN 201720956391 U CN201720956391 U CN 201720956391U CN 207093775 U CN207093775 U CN 207093775U
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Abstract
The utility model provides a kind of shaft end labyrinth seal structure, including：The quiet labyrinth seal ring being connected with gear case body and the dynamic labyrinth seal ring with rotating axis connection, the two, which interts, is equipped with；Dynamic labyrinth seal ring includes waterproof ring and disc, and the waterproof ring is set close to the rotary shaft shaft end, and the disc is set away from the rotary shaft shaft end close to box bearing；The disc includes the first order disc and second level disc being equipped with the quiet labyrinth seal ring, the first order disc, second level disc and waterproof ring are in turn secured in the rotary shaft vertically, and the axially connection fastened to each other of the first order disc, second level disc and waterproof ring.The utility model is provided with two-stage disc, effectively prevents intracavitary oil leak, makes gearbox seals effect more preferable.
Description
Technical field
It the utility model is related to non-contacting seal field, and in particular to a kind of shaft end labyrinth seal structure.
Background technology
It is crucial to wind-powered electricity generation and track traffic dynamical system with the high speed development of China's wind-powered electricity generation cause and track traffic cause
Element gear case requires more and more higher, and reliability, the maintainability of gear-box directly affect wind-powered electricity generation and track traffic dynamical system
Maintenance period and maintenance cost.
The contact seals such as gear-box shaft end seal generally use outside framework oil seal, are solved in wind-powered electricity generation or track traffic situation
Under, gear-box shaft end impurity enter casing in the problem of.But in the gear-box course of work, hair can be worn using contact seal
Heat, meanwhile, seal can also produce Debris of rubber, and abrasive dust will enter gear-box, result in the need for frequently changing gearbox seals part.
Chinese patent document CN205639569U discloses output shaft end sealing structure, high-speed gear box and applies its rail
Road vehicle, including：Dash labyrinth ring, quiet labyrinth seal end cap, dynamic labyrinth seal ring, bearing insert and conical bearing；The gear
Water maze ring is arranged on output axletree, and the quiet labyrinth seal end cap is arranged on gear case body, the dynamic labyrinth seal
Ring is arranged on the output axletree, the dynamic labyrinth seal ring and axial direction side of the dash labyrinth ring along the output axletree
To being set up in parallel, can be used in forming dash chamber and drain chamber between the dash labyrinth ring and the quiet labyrinth seal end cap,
It can be used in forming gear oil pocket between the dynamic labyrinth seal ring and the bearing insert and the conical bearing, it is described dynamic
It can be used in forming decompression oil back chamber between labyrinth seal ring and the quiet labyrinth seal end cap and the bearing insert.
In the above prior art, using non-contacting seal, solves gear-box shaft end seal using outside framework oil seal etc.
Gear-box heating problem caused by contact seal.Pass through dash labyrinth ring, labyrinth closed-loop, the quiet common structure of labyrinth closed end cap
Into labyrinth enclosed construction, gearbox seals are improved to a certain extent.But the dynamic labyrinth seal ring and the jewel
Set directly coordinates, and the lubricating oil in cavity flows into the decompression oil back chamber, cause tooth such as the rotation of dynamic labyrinth seal ring
The oil leak of roller box box house, sealing effectiveness are bad.Meanwhile the drain chamber passes through dash labyrinth ring and quiet labyrinth ring
End cover is formed, and the water inlet outside chamber, which enters dash chamber, to be excluded outside cavity, can only be continuously introduced in drain chamber, the fan
Palace sealing structure plays the effect flowed into outside the water discharge cavity in cavity, the problem of causing sealing effectiveness bad.
Utility model content
Therefore, the technical problems to be solved in the utility model is to overcome gear-box shaft end of the prior art sealing effectiveness
Bad defect, so as to provide a kind of oil leak prevented in gear-box, while prevent the water outside chamber and the tooth of dust infiltration
Roller box sealing structure of shaft end.
Therefore, the technical solution of the utility model is as follows：A kind of shaft end labyrinth seal structure, including：Quiet labyrinth seal ring,
The quiet labyrinth seal ring is connected with gear case body；Dynamic labyrinth seal ring, the dynamic labyrinth seal ring and rotation axis connection, institute
State that labyrinth seal ring and the quiet labyrinth seal are interspersed mutually to be equipped with；The dynamic labyrinth seal ring includes waterproof ring and got rid of
Oil ring, the waterproof ring are set close to the rotary shaft shaft end, and the disc is away from the rotary shaft shaft end close to gear-box
Bearing is set；The disc includes the first order disc being equipped with the quiet labyrinth seal ring and oil is got rid of in the second level
Ring, the first order disc, second level disc and waterproof ring are in turn secured in the rotary shaft vertically, and described
The axially connection fastened to each other of first order disc, second level disc and waterproof ring.
Further, the quiet labyrinth seal ring includes the interior stationary ring interconnected and outer stationary ring, and the interior stationary ring is set
Between the first order disc and the second level disc, the outer stationary ring is arranged on the second level disc and institute
State between waterproof ring.
Further, the radial outside at least one disc is provided with oily portion of getting rid of, the diameter for getting rid of oily portion
Edge gradually increases to shaft end bearing of trend.
Further, first disc is enclosed formed with first annular seal space with the interior stationary ring and the casing；Institute
Interior stationary ring is stated to enclose formed with the second annular seal space with second disc and the outer stationary ring.
Further, there is annular groove on the first order disc, the slot opening direction is back to the gear
Case direction, the annular flange being engaged with the annular groove, the annular groove and the ring are provided with the interior stationary ring
Radial clearance seals and axial gap sealing formed with first, second annular seal space of connection between shape flange.
Further, second disc is radially arranged sealing tooth, and the outer stationary ring includes sealing, described close
Envelope portion be with it is described sealing tooth coordinate teeth portion, it is described sealing tooth and the teeth portion between formed with connect the second annular seal space with outside
The radial clearance seals and axial decompression chamber in portion.
Further, the outer stationary ring also includes the Drainage Division being connected with the sealing, and the Drainage Division includes setting
The osculum outside connection on the downside of the outer stationary ring, and the Drainage Division relief chamber connected with the osculum.
Further, retaining section is provided with the waterproof ring, formed with gear between the retaining section and the Drainage Division
Water portion clearance seal, the retaining section clearance seal connection outside and the Drainage Division relief chamber.
Further, radial direction relief chamber, institute are provided between the sealing on the outer stationary ring and the Drainage Division
State the radial clearance seals that radial direction relief chamber connects the Drainage Division relief chamber and the sealing.
Further, a kind of gear-box, it includes：Gear train, rotary shaft and casing；The casing is supported by bearing pacifies
Loaded in the rotary shaft, the gear train is installed in the casing in the rotary shaft；The rotary shaft is at least
One end is provided with shaft end labyrinth seal structure.
Technical scheme provided by the utility model, has the following advantages that：
1. shaft end labyrinth seal structure provided by the utility model, including：The quiet labyrinth seal being connected with gear case body
Ring and the dynamic labyrinth seal ring with rotating axis connection, the two, which interts, is equipped with；Dynamic labyrinth seal ring includes waterproof ring and gets rid of oil
Ring, the waterproof ring are set close to the rotary shaft shaft end, and the disc is away from the rotary shaft shaft end close to gearbox shaft
Hold setting；The disc includes the first order disc and second level disc being equipped with the quiet labyrinth seal ring,
The first order disc, second level disc and waterproof ring are in turn secured in the rotary shaft vertically, and described
The axially connection fastened to each other of one-level disc, second level disc and waterproof ring.The utility model is provided with two-stage disc, has
Effect prevents intracavitary oil leak, makes gearbox seals effect more preferable.
2. shaft end labyrinth seal structure provided by the utility model, the radial outside at least one disc is set
Oily portion is got rid of, the diameter edge for getting rid of oily portion gradually increases to shaft end bearing of trend.Due to mist of oil principle of dissipation and mist of oil stream
Direction is moved, the inclined table formed on the disc can play barrier effect, effectively prevent from having been introduced into annular seal space
Lubricating oil continue along labyrinth channel to shaft end flow, so as to effectively prevent internal lubrication oil leakage, improve gearbox seals
Energy.
3. shaft end labyrinth seal structure provided by the utility model, retaining section, the dash are provided with the waterproof ring
Formed with retaining section clearance seal, the retaining section clearance seal connection outside and the Drainage Division between portion and the Drainage Division
Relief chamber.The retaining section clearance seal can effectively prevent dust or water and other impurities from entering gear-box intracavitary, improve
The sealing property of gear-box.
4. shaft end labyrinth seal structure provided by the utility model, the outer stationary ring also includes what is be connected with the sealing
Drainage Division, the Drainage Division include being arranged at osculum outside the connection on the downside of the outer stationary ring, and with the osculum
The Drainage Division relief chamber of connection.The osculum can be by the dust entered from the gap of waterproof ring and the formation of outer stationary ring or water etc.
Other impurities, under gravity, discharged outside cavity, so as to improve the sealing effectiveness of gear-box.The osculum connection
Drainage Division relief chamber infiltration can be made its kinetic energy to be reduced, to the impurity such as the water in relief chamber or dust so as to reduce impurity
The possibility continued into gear-box cavity, improve gear-box shaft end sealing effectiveness.
5. shaft end labyrinth seal structure provided by the utility model, the sealing and the draining on the outer stationary ring
Radial direction relief chamber is provided between portion, the radial direction relief chamber is connected between the radial direction of the Drainage Division relief chamber and the sealing
Gap seals.The radial direction relief chamber can make to penetrate into dust or water of radial direction relief chamber etc. from Drainage Division relief chamber that other are miscellaneous
Matter, kinetic energy is reduced, so as to reduce the possibility that impurity is continued into gear-box cavity, so as to improve gear-box shaft end seal effect
Fruit.
6. a kind of gear-box provided by the utility model, it includes：Gear train, rotary shaft and casing；The casing passes through
Bearing supporting is installed in the rotary shaft, and the gear train is provided with the casing in the rotary shaft；The rotation
At least one end of rotating shaft is provided with the shaft end labyrinth seal structure described in above-mentioned any one.Because the device employs shaft end fan
Palace sealing structure, therefore with any one advantage described in above-mentioned part.
Brief description of the drawings
, below will be right in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
The required accompanying drawing used is briefly described in embodiment or description of the prior art, it should be apparent that, describe below
In accompanying drawing be some embodiments of the present utility model, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the assembly structure diagram of a kind of labyrinth seal structure of the utility model and gear-box；
Fig. 2 is a kind of labyrinth seal structure structure enlargement diagram shown in Fig. 1；
Description of reference numerals：
1- first order discs；Stationary ring in 2-；3- second level disc；The outer stationary rings of 4-；5- waterproof rings；6- rotary shafts；7-
Casing；
8- first annular seal spaces；The annular seal spaces of 9- second；
The relief chambers of 10- first；The relief chambers of 11- second；The relief chambers of 12- the 3rd；13- radial direction relief chambers；Depressurize 14- Drainage Divisions
Chamber；
The radial clearance seals of 15- first；The first axial clearance seals of 16-；The radial clearance seals of 17- second；The footpaths of 18- the 3rd
To clearance seal；The radial clearance seals of 19- the 4th；20 the 5th radial clearance seals；The radial clearance seals of 21- the 6th；22- the 7th
Radial clearance seals；23- retaining sections clearance seal；24- osculums；
31- gets rid of oily portion；41- sealings；42- Drainage Divisions；51- retaining sections.
Embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with accompanying drawing, it is clear that described
Embodiment is the utility model part of the embodiment, rather than whole embodiments.Based on the embodiment in the utility model, sheet
The every other embodiment that field those of ordinary skill is obtained under the premise of creative work is not made, belongs to this practicality
Novel protected scope.
, it is necessary to explanation in description of the present utility model, term " " center ", " on ", " under ", it is "left", "right", " perpendicular
Directly ", the orientation of the instruction such as " level ", " interior ", " outer " or position relationship are based on orientation shown in the drawings or position relationship, are only
Described for the ease of description the utility model and simplifying, rather than instruction or imply signified device or element must have it is specific
Orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.In addition, term " the
One ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that instruction or hint relative importance.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Concrete meaning of the language in the utility model.
In addition, as long as technical characteristic involved in the utility model different embodiments disclosed below is each other
Conflict can is not formed to be combined with each other.
Embodiment 1
As shown in figure 1, the present embodiment provides a kind of gear-box, it includes：Gear train, rotary shaft 6 and casing 7；The case
Body 7 is installed in the rotary shaft 6 by bearing supporting, and the gear is provided with the casing in the rotary shaft 6
Group；Gear-box described in the present embodiment is additionally provided with shaft end labyrinth seal structure, and the sealing structure of shaft end is arranged at institute
State one end of rotary shaft 6.
As shown in Fig. 2 the shaft end labyrinth seal structure includes quiet labyrinth seal ring and dynamic labyrinth seal ring.The quiet fan
Palace sealing ring is connected with gear case body 7；The dynamic labyrinth seal ring is connected with rotary shaft 6, the dynamic labyrinth seal ring and institute
State that quiet labyrinth seal is interspersed mutually to be equipped with.The dynamic labyrinth seal ring includes waterproof ring 5 and disc, the waterproof ring 5
Set close to the shaft end of rotary shaft 6, the disc is set away from the shaft end of rotary shaft 6 close to box bearing；It is described
Disc includes the first order disc 1 and second level disc 3 being equipped with the quiet labyrinth seal ring, the first order
Disc 1, second level disc 3 and waterproof ring 5 are in turn secured in the rotary shaft 6 vertically, and the first order is got rid of
The axially connection fastened to each other of oil ring 1, second level disc 3 and waterproof ring 5.The quiet labyrinth seal ring is including interior stationary ring 2 and outside
Stationary ring 4, the interior stationary ring 2 are arranged between the first order disc 1 and the second level disc 3, and the outer stationary ring 4 is set
Put between the second level disc 3 and the waterproof ring 5.Two-stage disc is provided with the present embodiment, effectively prevents chamber
Interior oil leak, make gearbox seals effect more preferable.
Shaft end labyrinth seal structure described in the present embodiment, wherein the first order disc 1 and the interior stationary ring 2 and institute
Stating casing 7 and enclosing can stop a large amount of lubricating oil from first annular seal space 8 formed with first annular seal space 8, the first annular seal space 8
Leakage；The interior stationary ring 2 and the second level disc 3 and the outer stationary ring 4 are enclosed formed with the second annular seal space 9, and described the
Two annular seal spaces 9 can be such that lubricating oil is back to again in casing 7, so as to reduce oil seepage, improve sealing effectiveness.
Shaft end labyrinth seal structure described in the present embodiment, wherein there are annular groove, the groove on first order disc 1
Opening direction is back to the gear-box direction, and the convex annular being engaged with the annular groove is provided with the interior stationary ring 2
Edge, formed with the first radial clearance seals 15, the first axial clearance seal 16 between the annular groove and the annular flange
The annular seal space 9 of first annular seal space 8 and second is connected with the second radial clearance seals 17.It is first radial clearance seals 15, described
First axial clearance seal 16 and second radial clearance seals 17 can prevent the oil leak in first annular seal space 8,
So as to improve gearbox seals effect.
Shaft end labyrinth seal structure described in the present embodiment, it is provided with the second level disc 3 and gets rid of oily portion 31, such as schemed
Shown in 2, the diameter edge for getting rid of oily portion gradually increases to shaft end bearing of trend.Due to mist of oil principle of dissipation and mist of oil flowing side
To the inclined table formed on the disc can play barrier effect, effectively prevent the profit having been introduced into annular seal space
Lubricating oil continues to flow along labyrinth channel to shaft end, so as to effectively prevent internal lubrication oil leakage, improves gearbox seals performance.When
So, it can also be provided with first order disc and second level disc and get rid of oily portion further to prevent oil leakage.
Shaft end labyrinth seal structure described in the present embodiment, wherein the second level disc 3 is radially arranged sealing
Tooth, the outer stationary ring 4 include sealing 41, and the sealing 41 is the teeth portion coordinated with the sealing tooth, the sealing tooth with
Formed with the second annular seal space of connection 9 and the 3rd outside radial clearance seals 18, the 4th radial clearance seals between the teeth portion
19th, the 5th radial clearance seals 20 and the 6th radial clearance seals 21；And first relief chamber 10, the second relief chamber 11 and the 3rd
Relief chamber 12.
Shaft end labyrinth seal structure described in the present embodiment, wherein the outer stationary ring 4 also includes connecting with the sealing 41
The Drainage Division 42 connect, the Drainage Division 42 include being arranged at the osculum 24, Yi Jiyu outside the connection of the downside of outer stationary ring 4
The Drainage Division relief chamber 14 that the osculum 24 connects, the downside in the present embodiment refers to the lowest part of outer stationary ring 4, by osculum 24
It is arranged on the discharge that lowest part is advantageous to its internal water and impurity.The osculum 24 can will be from waterproof ring 5 and outer stationary ring 4
Dust or water that the gap of formation enters and other impurities, under gravity, are discharged from osculum 24, so as to improve gear
The sealing effectiveness of case.The Drainage Division relief chamber 14 can make infiltration reduce it to the impurity such as the water in relief chamber or dust
Kinetic energy, so as to reduce the possibility that impurity is continued into gear-box cavity, improve gear-box shaft end sealing effectiveness.Specifically,
24 a diameter of 3mm of osculum in the present embodiment.It should be noted that above-mentioned concrete numerical value is only managed for ease of those skilled in the art
The specific example for solving the scheme of the present embodiment and lifting, above-mentioned concrete numerical value are understood not to the present embodiment technical scheme structure
Into limitation.
Shaft end labyrinth seal structure described in the present embodiment, wherein retaining section 51 is provided with the waterproof ring 5, the gear
Formed with retaining section clearance seal 23 between water portion 51 and the Drainage Division 42, the retaining section clearance seal 23 connect it is outside with
The Drainage Division relief chamber 14.The retaining section 51 can stop that a large amount of water or dust and other impurities are entered in cavity.
Shaft end labyrinth seal structure described in the present embodiment, wherein the sealing 41 on the outer stationary ring 4 with it is described
It is provided with radial direction relief chamber 13 between Drainage Division 42, the radial direction relief chamber 13 connects the Drainage Division relief chamber 14 and described the
Two annular seal spaces 9.The radial direction relief chamber can make to penetrate into from Drainage Division relief chamber dust or water of radial direction relief chamber etc. other
Impurity, kinetic energy is reduced, so as to reduce the possibility that impurity is continued into gear-box cavity, so as to improve gear-box shaft end seal
Effect.
Shaft end labyrinth seal structure provided by the utility model, its installation process are：First order disc 1 is installed first
In rotary shaft 6；Interior stationary ring 2 is coordinated into installation with first order disc 1 and casing 7 again；Thereafter, by second level disc 3 with
Rotary shaft 6 and cooperation are installed, and are coordinated with the shaft end side of first order disc 1；Then outer stationary ring 4 and the interior shaft end of stationary ring 2
Side wall, which coordinates, fixes, while the sealing tooth of the sealing 42 of the outer stationary ring 4 and second level disc 3 coordinates installation；Finally will
Waterproof ring 5 is arranged in rotary shaft 6, and thus shaft end labyrinth seal structure is completed.
A kind of gear-box provided by the utility model can use on the blower fan of wind power system or can be used in track
In traffic dynamical system equipment.
Obviously, above-described embodiment is only intended to clearly illustrate example, and is not the restriction to embodiment.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of change or
Change.There is no necessity and possibility to exhaust all the enbodiments.And the obvious change thus extended out or
Among the protection domain that variation is created still in the utility model.
Claims (10)
1. a kind of shaft end labyrinth seal structure, including：
Quiet labyrinth seal ring, the quiet labyrinth seal ring are connected with gear case body (7)；
Dynamic labyrinth seal ring, the dynamic labyrinth seal ring are connected with rotary shaft (6), the dynamic labyrinth seal ring and the quiet labyrinth
Sealing is interspersed mutually to be equipped with；
Characterized in that,
The dynamic labyrinth seal ring includes waterproof ring (5) and disc, and the waterproof ring (5) is close to the rotary shaft (6) shaft end
Set, the disc is set away from the rotary shaft (6) shaft end close to box bearing；
The disc includes the first order disc (1) and second level disc being equipped with the quiet labyrinth seal ring
(3), the first order disc (1), second level disc (3) and waterproof ring (5) are in turn secured to the rotary shaft vertically
On, and the axially connection fastened to each other of the first order disc (1), second level disc (3) and waterproof ring (5).
2. shaft end labyrinth seal structure as claimed in claim 1, it is characterised in that the quiet labyrinth seal ring includes mutually being connected
The interior stationary ring (2) and outer stationary ring (4) connect, the interior stationary ring (2) is arranged on the first order disc (1) and the second level is got rid of
Between oil ring (3), the outer stationary ring (4) is arranged between the second level disc (3) and the waterproof ring (5).
3. shaft end labyrinth seal structure as claimed in claim 2, it is characterised in that：Radial direction at least one disc
Outside is provided with oily portion of getting rid of, and the diameter edge for getting rid of oily portion gradually increases to shaft end bearing of trend.
4. shaft end labyrinth seal structure as claimed in claim 3, it is characterised in that：The first order disc (1) with it is described
Interior stationary ring (2) and the casing (7) are enclosed formed with first annular seal space (8)；The interior stationary ring (2) and the second level disc
(3) enclosed with the outer stationary ring (4) formed with the second annular seal space (9).
5. shaft end labyrinth seal structure as claimed in claim 4, it is characterised in that have ring on the first order disc (1)
Connected in star, the slot opening direction are back to the gear-box direction, are provided with the interior stationary ring (2) recessed with the annular
The annular flange that groove is engaged, formed with connecting first annular seal space (8), second between the annular groove and the annular flange
Radial clearance seals and the axial gap sealing of annular seal space (9).
6. shaft end labyrinth seal structure as claimed in claim 5, it is characterised in that the second level disc (3) is radially
Sealing tooth is disposed with, the outer stationary ring (4) includes sealing (41), and the sealing (41) is the tooth coordinated with the sealing tooth
Portion, formed with the radial clearance seals and axial decompression for connecting the second annular seal space and outside between the sealing tooth and the teeth portion
Chamber.
7. shaft end labyrinth seal structure as claimed in claim 6, it is characterised in that the outer stationary ring (4) also include with it is described
The Drainage Division (42) of sealing (41) connection, the Drainage Division include being arranged at the draining outside the connection on the downside of the outer stationary ring
Hole (24), and the Drainage Division relief chamber (14) connected with the osculum.
8. shaft end labyrinth seal structure as claimed in claim 7, it is characterised in that be provided with dash on the waterproof ring (5)
Portion (51), formed with retaining section clearance seal (23), the retaining section between the retaining section (51) and the Drainage Division (42)
Clearance seal (23) connection outside and the Drainage Division relief chamber (14).
9. shaft end labyrinth seal structure as claimed in claim 8, it is characterised in that the sealing on the outer stationary ring (4)
Radial direction relief chamber (13) is provided between portion (41) and the Drainage Division (42), the radial direction relief chamber (13) connects the draining
The radial clearance seals of portion's relief chamber (14) and the sealing.
10. a kind of gear-box, it includes：Gear train, rotary shaft (6) and casing (7)；The casing (7) is supported by bearing pacifies
Loaded in the rotary shaft (6), the gear train is installed in the casing on the rotary shaft (6)；
Characterized in that,
At least one end of the rotary shaft (6) sets the shaft end labyrinth seal structure described in just like claim 1-9 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720956391.3U CN207093775U (en) | 2017-08-02 | 2017-08-02 | A kind of shaft end labyrinth seal structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720956391.3U CN207093775U (en) | 2017-08-02 | 2017-08-02 | A kind of shaft end labyrinth seal structure |
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| Publication Number | Publication Date |
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| CN207093775U true CN207093775U (en) | 2018-03-13 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720956391.3U Active CN207093775U (en) | 2017-08-02 | 2017-08-02 | A kind of shaft end labyrinth seal structure |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108730103A (en) * | 2018-06-07 | 2018-11-02 | 国家电网有限公司 | Turbine-generator units oil throwing method and the oily labyrinth ring structure of adaptive gear used |
| CN109058468A (en) * | 2018-11-06 | 2018-12-21 | 重庆齿轮箱有限责任公司 | A kind of underwater rotary shaft composite seal device |
| CN109114201A (en) * | 2018-10-22 | 2019-01-01 | 中车戚墅堰机车车辆工艺研究所有限公司 | A kind of labyrinth seal structure and gear box structure |
| CN110005811A (en) * | 2019-04-24 | 2019-07-12 | 东台船用配件有限公司 | Stern tube shaft is servo-actuated combination sealing arrangement |
| CN115041082A (en) * | 2022-06-10 | 2022-09-13 | 中南大学 | Shaft end sealing device of powder mixing equipment and mounting method thereof |
| CN115978171A (en) * | 2022-12-21 | 2023-04-18 | 南京高精轨道交通设备有限公司 | Gear box oil return sealing structure, gear box and gear box oil return method |
| US11879439B2 (en) | 2018-04-12 | 2024-01-23 | Vestas Wind Systems A/S | Wind turbine drivetrain component with low friction radial shaft seal |
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- 2017-08-02 CN CN201720956391.3U patent/CN207093775U/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11879439B2 (en) | 2018-04-12 | 2024-01-23 | Vestas Wind Systems A/S | Wind turbine drivetrain component with low friction radial shaft seal |
| CN108730103A (en) * | 2018-06-07 | 2018-11-02 | 国家电网有限公司 | Turbine-generator units oil throwing method and the oily labyrinth ring structure of adaptive gear used |
| CN108730103B (en) * | 2018-06-07 | 2024-02-13 | 国家电网有限公司 | Oil throwing prevention method for hydroelectric generating set and self-adaptive oil blocking labyrinth ring structure used by same |
| CN109114201A (en) * | 2018-10-22 | 2019-01-01 | 中车戚墅堰机车车辆工艺研究所有限公司 | A kind of labyrinth seal structure and gear box structure |
| CN109114201B (en) * | 2018-10-22 | 2024-05-07 | 中车戚墅堰机车车辆工艺研究所股份有限公司 | Labyrinth seal structure and gear box structure |
| CN109058468B (en) * | 2018-11-06 | 2023-10-20 | 重庆齿轮箱有限责任公司 | Composite sealing device for underwater rotating shaft |
| CN109058468A (en) * | 2018-11-06 | 2018-12-21 | 重庆齿轮箱有限责任公司 | A kind of underwater rotary shaft composite seal device |
| CN110005811A (en) * | 2019-04-24 | 2019-07-12 | 东台船用配件有限公司 | Stern tube shaft is servo-actuated combination sealing arrangement |
| CN110005811B (en) * | 2019-04-24 | 2024-03-12 | 东台船用配件有限公司 | Tail shaft follow-up combined sealing device |
| CN115041082B (en) * | 2022-06-10 | 2023-03-21 | 中南大学 | Shaft end sealing device of powder mixing equipment and mounting method thereof |
| CN115041082A (en) * | 2022-06-10 | 2022-09-13 | 中南大学 | Shaft end sealing device of powder mixing equipment and mounting method thereof |
| CN115978171B (en) * | 2022-12-21 | 2023-09-01 | 南京高精轨道交通设备有限公司 | Gear box oil return sealing structure, gear box and gear box oil return method |
| CN115978171A (en) * | 2022-12-21 | 2023-04-18 | 南京高精轨道交通设备有限公司 | Gear box oil return sealing structure, gear box and gear box oil return method |
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