CN105909800A - Non-contact mechanical sealing device - Google Patents
Non-contact mechanical sealing device Download PDFInfo
- Publication number
- CN105909800A CN105909800A CN201610389947.5A CN201610389947A CN105909800A CN 105909800 A CN105909800 A CN 105909800A CN 201610389947 A CN201610389947 A CN 201610389947A CN 105909800 A CN105909800 A CN 105909800A
- Authority
- CN
- China
- Prior art keywords
- fixed disk
- mechanical seal
- seal device
- ring baffle
- rotation dish
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- F16J15/44—Free-space packings
- F16J15/447—Labyrinth packings
- F16J15/4476—Labyrinth packings with radial path
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanical Sealing (AREA)
- Sealing Devices (AREA)
Abstract
The invention provides a non-contact mechanical sealing device. The non-contact mechanical sealing device comprises a rotary disc (1) and a fixed disc (2). A first cylindrical protrusion (3) is arranged on the middle portion of the rotary disc (1), and the first cylindrical protrusion (3) is hollow. A first annular baffle (4) is arranged on the outer circumference of the top of the first cylindrical protrusion (3). A second annular baffle (10) is arranged between the inner side of a threaded hole of the rotary disc (1) and the outer side of the first cylindrical protrusion (3). A second cylindrical protrusion (5) is arranged on the middle portion of the fixed disc (2), and the second cylindrical protrusion (5) is hollow. A third annular baffle (6) is arranged on the inner circumference of the top of the second cylindrical protrusion (5). The third annular baffle (6) and the first annular baffle (4) are embedded mutually. The third annular baffle (6) is located below the first annular baffle (4). The second cylindrical protrusion (5) is covered with part of the second annular baffle (10).
Description
Technical field
The present invention relates to mechanical equipment technical field, particularly to a kind of non-contact mechanical seal device.
Background technology
At present, in the installation process of bearing apparatus, often in order to protect bearing, reduce the abrasion to bearing, need
Sealing it is set at the two ends of bearing, bearing to be installed control and isolates.Bearing is arranged on the Axle Parts of rotation
On, the sealing at countershaft position is typically movable sealing, such as the contact seal such as packing seal, oil sealing sealing.But,
Substantial amounts of inflows such as the extraneous dust of bearing block, steam and being deposited between the Axle Parts of rotation and bearing cover,
Destroying the contact seal between bearing cover and axle, cause sealing effectiveness poor, service life shortens
Defect.
Summary of the invention
It is an object of the invention to, poor to existing sealing device sealing effectiveness for solving, short lacking in service life
Falling into, and then provide a kind of non-contact mechanical seal device, described non-contact mechanical seal device is arranged on rotation
Between equipment and bearing cover, described non-contact mechanical seal device includes: rotation dish and fixed disk；Described
Rotation dish need to chimeric with described fixed disk use, and described rotation dish and described fixed disk are respectively along its excircle direction
It is evenly provided with screwed hole；The middle part of described rotation dish is provided with the first cylindrical protrusions, and this first cylindrical protrusions
For hollow；The excircle at the top of described first cylindrical protrusions is provided with first annular baffle plate；In described rotation
Between inner side and the outside of described first cylindrical protrusions of the screwed hole of dish, it is provided with second ring baffle；Institute
The middle part stating fixed disk is provided with the second cylindrical protrusions, and this second cylindrical protrusions is hollow；At described second circle
The inner periphery at the top of column-shaped projection is provided with the 3rd ring baffle；Described 3rd ring baffle is first annular with described
Baffle plate is the most chimeric, and is not in contact with each other；Described 3rd ring baffle is positioned under described first annular baffle plate；Part
Described second ring baffle covers on described second cylindrical protrusions, and does not connects with described second cylindrical protrusions
Touch.
At described rotation dish on the cross section diametrically gone up, the top half of described rotation dish in " G " type, its
The latter half is in " G " type of falling；
Relation at an acute angle between inwall and the outer wall of described second ring baffle, i.e. 15 °-30 °.
The axial length of described second ring baffle is more than the axial length of described second cylindrical protrusions, it is ensured that described
Second ring baffle can block the dust or hydrops fallen between described rotation dish and described fixed disk.
By snapping connection between described 3rd ring baffle and described first annular baffle plate, described 3rd ring baffle
And the distance between described first annular baffle plate is 2-3mm, and the lap of the two is described 3rd ring baffle
Or the 1/2-1/3 of described first annular baffle plate.
Described fixed disk is divided into fixed disk and lower fixed disk two parts, and the two is installed by the form of docking and is formed
One complete fixed disk.
The middle position of the second cylindrical protrusions of described lower fixed disk is provided with a through hole, and it is a diameter of
10-15mm, for discharging the steam or dust flowed between described rotation dish and described fixed disk.
Described rotation dish is centrosymmetric structure, and keeps axiality with axle；The quality of described rotation dish is less than rotating
Axle or the quality of rotating machinery.
The outer circle wall at the top of the second cylindrical protrusions of described fixed disk and the second circular cylindrical projection of described fixed disk
The top risen forms an inclination angle, and this inclination angle is 15 °-30 °.
It is an advantage of the current invention that: outside effectively the influence factor such as dust, steam being isolated in sealing device, greatly
Improve greatly service life and the sealing effectiveness of bearing, substantially improve the external environment condition of bearing and contact seal,
Not contacting between each ingredient of non-contact mechanical seal device, without abrasion, the life-span is long simultaneously, it is not necessary to
Periodic replacement, substantially increases work efficiency and production efficiency.
Accompanying drawing explanation
Fig. 1 is the schematic cross-section that a kind of non-contact mechanical seal device of the present invention is mounted on bearings；
Fig. 2 is the structural representation of a kind of non-contact mechanical seal device of the present invention；
1, rotation dish 2, fixed disk
3, the first cylindrical protrusions 4, first annular baffle plate
5, the second cylindrical protrusions the 6, the 3rd ring baffle
7, bearing cover 8, roller-way
9, axle the 10, second ring baffle
11, through hole
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in further detail.
As illustrated in fig. 1 and 2, the present invention provides a kind of non-contact mechanical seal device, described non-contact type mechanical
Sealing device is arranged between the roller-way 8 and bearing cover 7 rotated clockwise, and this non-contact mechanical seal
Device is enclosed within axle 9；Described non-contact mechanical seal device includes: rotation dish 1 and fixed disk 2；Described rotation
Dish 1 is arranged on the roller-way 8 rotated clockwise, and rotates with roller-way 8；Described fixed disk 2 installs and fixes
On bearing cover 7, described rotation dish 1 need to chimeric with described fixed disk 2 use, described rotation dish 1 and institute
State fixed disk 2 and along its excircle direction, be evenly provided with screwed hole respectively；The middle part of described rotation dish 1 is provided with
One cylindrical protrusions 3, and this first cylindrical protrusions 3 is hollow；At the top of described first cylindrical protrusions 3
Excircle is provided with first annular baffle plate 4；The inner side of screwed hole and described first circular cylindrical projection at described rotation dish 1
Rise between the outside of 3, be provided with second ring baffle 10；It is cylindrical that the middle part of described fixed disk 2 is provided with second
Protruding 5, and this second cylindrical protrusions 5 is hollow；On the inner periphery at the top of described second cylindrical protrusions 5
It is provided with the 3rd ring baffle 6；Described 3rd ring baffle 6 is the most chimeric with described first annular baffle plate 4, and mutually
Do not contact；Described 3rd ring baffle 6 is positioned at described first annular baffle plate 4 times；Described second ring baffle of part
10 cover on described second cylindrical protrusions 5, and do not contact with described second cylindrical protrusions 5.
At described rotation dish 1 on the cross section diametrically gone up, the top half of described rotation dish 1 in " G " type,
Its latter half is in " G " type of falling；
Relation at an acute angle between inwall and the outer wall of described second ring baffle 10, i.e. 28 °.Can have prevention steam or
Dust falls into the gap between described rotation dish 1 and described fixed disk 2, and at described rotation dish 1 with described roller-way 8
During rotation, aqueous vapor or dust are thrown away.
The axial length of described second ring baffle 10 is more than the axial length of described second cylindrical protrusions 5, it is ensured that
Described second ring baffle 10 can block the dust or hydrops fallen between described rotation dish 1 and described fixed disk 2.
By snapping connection between described 3rd ring baffle 6 and described first annular baffle plate 4, described 3rd annular
Distance between baffle plate 6 and described first annular baffle plate 4 is 2mm, and the lap of the two is described 3rd ring
Shape baffle plate 6 or the 1/2 of described first annular baffle plate 4.
Described fixed disk 2 is divided into fixed disk and lower fixed disk two parts, and the two installs shape by the form of docking
Become a complete fixed disk.
The middle position of the second cylindrical protrusions 5 of described lower fixed disk is provided with a through hole 11, and it is a diameter of
12mm, for discharging the steam or dust flowed between described rotation dish 1 and described fixed disk 2.
Described rotation dish 1 is centrosymmetric structure, and keeps axiality with axle 9；The quality of described rotation dish 1 is little
Quality in roller-way 8.
The outer circle wall at the top of the second cylindrical protrusions 5 of described fixed disk 2 is round with the second of described fixed disk 2
The top of column-shaped projection 5 forms an inclination angle, and this inclination angle is 30 °.
This non-contacting seal device can be also used on other axle kind equipments needing to seal.
It is last it should be noted that the experiment figure described in detailed description of the invention is only used for illustrating the technology of the present invention
The feasibility of scheme software algorithm and be not limited to this example, algorithm passes through lot of experimental data checking, is true
Reliably, collocation hardware just can realize technical scheme.Although the present invention having been carried out in detail with reference to embodiment
Describe in detail bright, it will be understood by those within the art that, technical scheme is modified or is equal to
Replacing, without departure from the spirit and scope of technical solution of the present invention, it all should contain the claim model in the present invention
In the middle of enclosing.
Claims (9)
1. a non-contact mechanical seal device, it is characterised in that described non-contact mechanical seal device is installed
Between rotating machinery and bearing cover (7), comprising: rotation dish (1) and fixed disk (2)；Described turn
Moving plate (1) need to chimeric with described fixed disk (2) use, described rotation dish (1) and described fixed disk (2) point
Along its excircle direction, it is not evenly provided with screwed hole；The middle part of described rotation dish (1) is provided with the first circular cylindrical projection
Rise (3), and this first cylindrical protrusions (3) is hollow；At the top of described first cylindrical protrusions (3)
Excircle is provided with first annular baffle plate (4)；Justify in the inner side and described first of the screwed hole of described rotation dish (1)
Between the outside of column-shaped projection (3), it is provided with second ring baffle (10)；The middle part of described fixed disk (2)
It is provided with the second cylindrical protrusions (5), and this second cylindrical protrusions (5) is hollow；In described second circular cylindrical projection
The inner periphery at the top playing (5) is provided with the 3rd ring baffle (6)；Described 3rd ring baffle (6) is with described
First annular baffle plate (4) is the most chimeric, and is not in contact with each other；Described 3rd ring baffle (6) is positioned at described
Under one ring baffle (4)；Described second ring baffle of part (10) covers described second cylindrical protrusions (5)
On, and do not contact with described second cylindrical protrusions (5).
A kind of non-contact mechanical seal device the most according to claim 1, it is characterised in that at described turn
Moving plate (1) is along its diametric cross section, and the top half of described rotation dish (1) is in " G " type, under it
Half part is in " G " type of falling.
A kind of non-contact mechanical seal device the most according to claim 1, it is characterised in that described second
Relation at an acute angle between inwall and the outer wall of ring baffle (10), i.e. 15 °-30 °.
A kind of non-contact mechanical seal device the most according to claim 1, it is characterised in that described second
The axial length of ring baffle (10) is more than the axial length of described second cylindrical protrusions (5), it is ensured that described the
Second ring baffle plate (10) blocks the dust or hydrops fallen between described rotation dish (1) and described fixed disk (2).
A kind of non-contact mechanical seal device the most according to claim 1, it is characterised in that the described 3rd
By snapping connection between ring baffle (6) and described first annular baffle plate (4), described 3rd ring baffle (6)
And the distance between described first annular baffle plate (4) is 2-3mm, and the lap of the two is described 3rd annular
Baffle plate (6) or the 1/2-1/3 of described first annular baffle plate (4).
A kind of non-contact mechanical seal device the most according to claim 1, it is characterised in that described fixing
Dish (2) is divided into fixed disk and lower fixed disk two parts, and the two is installed by the form of docking and forms one completely
Fixed disk.
A kind of non-contact mechanical seal device the most according to claim 1, it is characterised in that described lower solid
The middle position of second cylindrical protrusions (5) of price fixing is provided with a through hole (11), its a diameter of 10-15mm,
For discharging the steam or dust flowed between described rotation dish (1) and described fixed disk (2).
A kind of non-contact mechanical seal device the most according to claim 1, it is characterised in that described rotation
Dish (1) is centrosymmetric structure, and keeps axiality with axle (9)；The quality of described rotation dish (1) is less than turning
Moving axis or the quality of rotating machinery.
A kind of non-contact mechanical seal device the most according to claim 1, it is characterised in that described fixing
The outer circle wall at the top of second cylindrical protrusions (5) of dish (2) is cylindrical with the second of described fixed disk (2)
The top of protruding (5) forms an inclination angle, and this inclination angle is 15 °-30 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610389947.5A CN105909800B (en) | 2016-06-02 | 2016-06-02 | A kind of non-contact mechanical seal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610389947.5A CN105909800B (en) | 2016-06-02 | 2016-06-02 | A kind of non-contact mechanical seal device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105909800A true CN105909800A (en) | 2016-08-31 |
| CN105909800B CN105909800B (en) | 2018-09-04 |
Family
ID=56743238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610389947.5A Active CN105909800B (en) | 2016-06-02 | 2016-06-02 | A kind of non-contact mechanical seal device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105909800B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018172560A1 (en) * | 2017-03-23 | 2018-09-27 | Lakeside Energy from Waste Limited | Rotary shaft bearings |
| CN110397740A (en) * | 2019-08-09 | 2019-11-01 | 中国船舶重工集团公司第七0四研究所 | High-speed screw sealing device |
| CN110553034A (en) * | 2019-09-28 | 2019-12-10 | 中国万宝工程有限公司 | Combined dynamic seal ring |
| CN110554360A (en) * | 2019-09-28 | 2019-12-10 | 西安电子工程研究所 | Low-altitude warning radar subarray |
| CN114364894A (en) * | 2019-08-16 | 2022-04-15 | 阿母斯替德铁路公司 | Labyrinth seal with interlocking rotor and seal case insert |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3893674A (en) * | 1973-12-26 | 1975-07-08 | United States Steel Corp | Non-frictional closure for exclusion of contaminants |
| JPS5846266A (en) * | 1981-09-12 | 1983-03-17 | Asahi Seikou Kk | Dust sealing apparatus for bearing box |
| US5261528A (en) * | 1992-04-01 | 1993-11-16 | Milan Bouchal | Roller for belt conveyor |
| DE19627048C2 (en) * | 1996-07-05 | 1999-02-25 | Artur Kuepper Gmbh & Co Kg | Idler |
| CN201196160Y (en) * | 2008-04-25 | 2009-02-18 | 东莞寮步新旧围永立电机厂 | Non-contact type bearing seal structure |
| CN203281402U (en) * | 2013-06-08 | 2013-11-13 | 昆山市密友装备制造有限责任公司 | Classifying wheel bearing protective structure of jet mill |
| CN205824192U (en) * | 2016-06-02 | 2016-12-21 | 山东钢铁股份有限公司 | A kind of non-contact mechanical seal device |
-
2016
- 2016-06-02 CN CN201610389947.5A patent/CN105909800B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3893674A (en) * | 1973-12-26 | 1975-07-08 | United States Steel Corp | Non-frictional closure for exclusion of contaminants |
| JPS5846266A (en) * | 1981-09-12 | 1983-03-17 | Asahi Seikou Kk | Dust sealing apparatus for bearing box |
| US5261528A (en) * | 1992-04-01 | 1993-11-16 | Milan Bouchal | Roller for belt conveyor |
| DE19627048C2 (en) * | 1996-07-05 | 1999-02-25 | Artur Kuepper Gmbh & Co Kg | Idler |
| CN201196160Y (en) * | 2008-04-25 | 2009-02-18 | 东莞寮步新旧围永立电机厂 | Non-contact type bearing seal structure |
| CN203281402U (en) * | 2013-06-08 | 2013-11-13 | 昆山市密友装备制造有限责任公司 | Classifying wheel bearing protective structure of jet mill |
| CN205824192U (en) * | 2016-06-02 | 2016-12-21 | 山东钢铁股份有限公司 | A kind of non-contact mechanical seal device |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018172560A1 (en) * | 2017-03-23 | 2018-09-27 | Lakeside Energy from Waste Limited | Rotary shaft bearings |
| CN110397740A (en) * | 2019-08-09 | 2019-11-01 | 中国船舶重工集团公司第七0四研究所 | High-speed screw sealing device |
| CN110397740B (en) * | 2019-08-09 | 2024-06-04 | 中国船舶集团有限公司第七〇四研究所 | High-speed spiral sealing device |
| CN114364894A (en) * | 2019-08-16 | 2022-04-15 | 阿母斯替德铁路公司 | Labyrinth seal with interlocking rotor and seal case insert |
| CN114364894B (en) * | 2019-08-16 | 2024-04-02 | 阿母斯替德铁路公司 | Labyrinth seal with interlocking rotor and seal case insert |
| CN110553034A (en) * | 2019-09-28 | 2019-12-10 | 中国万宝工程有限公司 | Combined dynamic seal ring |
| CN110554360A (en) * | 2019-09-28 | 2019-12-10 | 西安电子工程研究所 | Low-altitude warning radar subarray |
| CN110553034B (en) * | 2019-09-28 | 2021-03-26 | 中国万宝工程有限公司 | Combined dynamic seal ring |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105909800B (en) | 2018-09-04 |
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