CN107524813A - New dish-shaped edged oil-sealing arrangement - Google Patents
New dish-shaped edged oil-sealing arrangement Download PDFInfo
- Publication number
- CN107524813A CN107524813A CN201710944036.9A CN201710944036A CN107524813A CN 107524813 A CN107524813 A CN 107524813A CN 201710944036 A CN201710944036 A CN 201710944036A CN 107524813 A CN107524813 A CN 107524813A
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- China
- Prior art keywords
- oil sealing
- stern tube
- oil
- tube shaft
- dish
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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.)
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Classifications
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- 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
- F16J15/40—Sealings between relatively-moving surfaces by means of fluid
-
- 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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing Devices (AREA)
Abstract
The present invention provides new dish-shaped edged oil-sealing arrangement, it includes regulation clamping screw, marine screw shaft, wherein, marine screw shaft axle body outer sheath is equipped with stern tube shaft ferule, stern tube shaft ferule both ends inner chamber is provided with stern tube shaft flange copper sheathing, grease chamber is formed between two stern tube shaft flange copper sheathings, stern tube shaft flange copper sheathing is enclosed in marine screw shaft, oil pocket is reserved between stern tube shaft flange copper sheathing internal chamber wall and marine screw shaft axle body, oil pocket the inner is connected with grease chamber, oil pocket outer end is sealed by oil sealing box O-ring seals, oily passage was reserved between stern tube shaft flange copper sheathing lateral wall and stern tube shaft ferule, oily passage outer end is crossed to seal by corresponding copper sheathing O-ring seals, oil sealing box is set with the axle body at marine screw shaft both ends, oil sealing box internal chamber wall is provided with O shape grooves, oil sealing box outer end is set with oil sealing regulation gland.The efficiency for changeing assembling using being improved after this programme, sealing effectiveness are also more preferable.
Description
Technical field
The present invention relates to technical field of ships, refers in particular to new dish-shaped edged oil-sealing arrangement.
Background technology
The sealing of screw shaft of ship profit is one of important device that navigating ship must match somebody with somebody, and when the sealing effectiveness of oil sealing and use
Between be its crucial index, this will require that its oil-sealing arrangement possesses good performance.U-shaped that existing oil sealing generally uses with
The labyrinth sealing of plastic bowl, rubber bowl.The above profit sealing device typically rotates on axle or wear-resistant sleeve, by longer
Time service operating or wear-resistant sleeve can produce abrasion and groove occur, just have to change new seal.Exactly change new oil sealing
Also hardly possible reaches the expected purpose of sealing afterwards, easily causes oil leakage phenomenon, causes influence of the pollution of river to environmental protection.So
Screw shaft of ship sealing property efficiency and wearability and service life how are improved, becomes what shipbuilding industry was paid special attention to always
Problem.
The content of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide one kind to change efficiency of assembling height, good sealing effect
New dish-shaped edged oil-sealing arrangement.
To achieve the above object, technical scheme provided by the present invention is：New dish-shaped edged oil-sealing arrangement, it includes
Adjust clamping screw, oil sealing regulation gland, adjusting gasket, oil sealing box, oil sealing box O-ring seals, dish-shaped edged oil sealing, dish oil
Seal unidirectional pad, stern tube shaft ferule, oil pipe inlet-outlet connector, stern tube shaft flange copper sheathing, the two-way pad of oil sealing profit, marine screw shaft,
Copper sheathing O-ring seals, wherein, marine screw shaft axle body outer sheath is equipped with stern tube shaft ferule, and stern tube shaft ferule both ends inner chamber is provided with stern
Shaft flange copper sheathing, grease chamber is formed between two stern tube shaft flange copper sheathings, stern tube shaft flange copper sheathing is enclosed in marine screw shaft, stern tube shaft ferule
It is sleeved on the outside of stern tube shaft flange copper sheathing, is reserved with oil pocket between stern tube shaft flange copper sheathing internal chamber wall and marine screw shaft axle body, in oil pocket
End be connected with grease chamber, oil pocket outer end by the sealing of oil sealing box O-ring seals, stern tube shaft flange copper sheathing lateral wall and stern tube shaft ferule it
Between be reserved with oily passage, oily passage is inner excessively is connected with grease chamber, and excessively oily passage outer end is close by corresponding copper sheathing O-ring seals
Envelope, is set with oil sealing box on the axle body at marine screw shaft both ends, and oil sealing box one end and stern tube shaft ferule after suit are inconsistent, oil sealing
Box internal chamber wall is provided with O shape grooves, and the two-way pad of dish-shaped edged oil sealing and oil sealing profit, dish-shaped edged oil sealing are provided with O shape grooves
The unidirectional pad of dish-shaped oil sealing is provided between the two-way pad of oil sealing profit, oil sealing tune is set with the marine screw shaft of oil sealing box outer end
Gland is saved, oil sealing regulation gland is stepped, and its less cascaded surface is inner inconsistent with dish-shaped edged oil sealing outer end, and its is larger
Cascaded surface it is inner be provided with adjusting gasket, larger cascaded surface outer end is provided with regulation clamping screw, and regulation clamping screw is through oily
After envelope regulation gland, adjusting gasket, oil sealing box locking is connected with stern tube shaft ferule；Stern tube shaft ferule is provided with oil pipe inlet and outlet and connect
Head, oil pipe inlet-outlet connector are connected with excessively oily passage.
Described dish-shaped edged oil sealing includes main body, is provided with centre bore at main center, and be sleeved on by centre bore
In marine screw shaft, centre bore internal chamber wall is provided with the extruding groove of V-arrangement, and body side is provided with the dovetail groove of indent, and opposite side is provided with
The trapezoidal faces of evagination, the larger one end of dovetail groove are located at outside.
In a ring, the diameter of its centre bore is more than marine screw shaft diameter to the described unidirectional gasket body of dish-shaped oil sealing, dish
The unidirectional pad of oil sealing wherein on the anchor ring of side evagination be located at dish-shaped edged oil sealing side formed with extrusion ring, extrusion ring.
The beneficial effects of the present invention are：Oil sealing and pad in oil sealing box adjust gland, regulation locking screw by oil sealing
Bolt, adjusting gasket control to adjust the degree of wear, and the dish-shaped edged oil sealing assembled is in the machine operation of shafting or wear-resistant sleeve
Produce abrasion and groove or oil leakage phenomenon occur, the regulation clamping screw that oil sealing is first adjusted to the opposite side of gland two has unclamped several pieces of tune
Pad is saved, and the pad that should be stayed and regulation clamping screw are tightened, then loosens another two opposite side regulation clamping screw and acts several pieces of tune
Pad is saved, then all assembling bolts are tightened, makes dish-shaped edged oil sealing in oil sheet of different shapes and adjusting gasket and oil
The adjustment control effect of envelope regulation gland is lower to produce the rigid deformation of dish, and touching makes dish-shaped oil sealing be ground facing radially towards shafting or wear-resistant sleeve
Damaging position skew and produce effectively sealing, above-mentioned dish-shaped edged oil sealing can make dish-shaped oil sealing carry out repeatedly regulation and reach sealing effectiveness,
Oil sealing box uses seal with O ring with stern tube shaft flange copper sheathing, changes original flat gasket, improves the efficiency for changeing assembling,
Sealing effectiveness is also more preferable.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the present invention.
Fig. 2 is extruding slot structure schematic diagram.
Fig. 3 is the unidirectional gasket construction schematic diagram of dish-shaped oil sealing.
Embodiment
With reference to all accompanying drawings, the invention will be further described, and presently preferred embodiments of the present invention is：Referring to accompanying drawing 1 to
Accompanying drawing 3, the new dish-shaped edged oil-sealing arrangement described in the present embodiment include regulation clamping screw 1, oil sealing regulation gland 2, adjusted
Save pad 3, oil sealing box 4, oil sealing box O-ring seals 5, dish-shaped edged oil sealing 6, the unidirectional pad 7 of dish-shaped oil sealing, stern tube shaft ferule 8,
Oil pipe inlet-outlet connector 9, stern tube shaft flange copper sheathing 10, the two-way pad 11 of oil sealing profit, marine screw shaft 12, copper sheathing O-ring seals 13,
Wherein, the axle body outer sheath of marine screw shaft 12 is equipped with stern tube shaft ferule 8, and the both ends inner chamber of stern tube shaft ferule 8 is provided with stern tube shaft flange copper sheathing
10, grease chamber is formed between two stern tube shaft flange copper sheathings 10, and stern tube shaft flange copper sheathing 10 is enclosed in marine screw shaft 12, stern tube shaft ferule 8
The outside of stern tube shaft flange copper sheathing 10 is sleeved on, oil pocket is reserved between the internal chamber wall of stern tube shaft flange copper sheathing 10 and the axle body of marine screw shaft 12,
Oil pocket the inner is connected with grease chamber, and oil pocket outer end is sealed by oil sealing box O-ring seals 5, the lateral wall of stern tube shaft flange copper sheathing 10 and stern
Oily passage was reserved between axle ferule 8, excessively oily passage is inner to be connected with grease chamber, and excessively oily passage outer end passes through corresponding copper sheathing
O-ring seals 13 seal, and are set with oil sealing box 4 on the axle body at the both ends of marine screw shaft 12, the one end of oil sealing box 4 and stern tube shaft after suit
Ferule 8 is inconsistent, and the internal chamber wall of oil sealing box 4 is provided with O shape grooves, and it is double that dish-shaped edged oil sealing 6 and oil sealing profit is provided with O shape grooves
To pad 11, the unidirectional pad 7 of dish-shaped oil sealing, described dish are provided between the dish-shaped two-way pad 11 of edged oil sealing 6 and oil sealing profit
In a ring, the diameter of its centre bore is more than the diameter of marine screw shaft 12, the dish-shaped unidirectional pad 7 of oil sealing to the unidirectional main body of pad 7 of shape oil sealing
Evagination is located at the dish-shaped side of edged oil sealing 6 formed with extrusion ring, extrusion ring wherein on the anchor ring of side；Described dish-shaped edged oil
Envelope 6 includes main body, centre bore is provided with main center, and be sleeved on by centre bore in marine screw shaft 12, centre bore inner chamber
Wall is provided with the extruding groove 14 of V-arrangement, and body side is provided with the dovetail groove of indent, and opposite side is provided with the trapezoidal faces of evagination, dovetail groove
Larger one end is located at outside；Oil sealing regulation gland 2, oil sealing regulation gland 2 are set with the marine screw shaft 12 of the outer end of oil sealing box 4
Stepped, its less cascaded surface is inner inconsistent with the dish-shaped outer end of edged oil sealing 6, and inner be provided with of its larger cascaded surface is adjusted
Pad 3 is saved, larger cascaded surface outer end is provided with regulation clamping screw 1, and regulation clamping screw 1 passes through oil sealing regulation gland 2, regulation
After pad 3, oil sealing box 4 locking is connected with stern tube shaft ferule 8；Stern tube shaft ferule 8 is provided with oil pipe inlet-outlet connector 9, and oil pipe enters
Outlet connection 9 is connected with excessively oily passage.The beneficial effect of the present embodiment is：Oil sealing and pad in oil sealing box are adjusted by oil sealing
Section gland, regulation clamping screw, adjusting gasket control to adjust the degree of wear, and the dish-shaped edged oil sealing assembled is in shafting or resistance to
Abrasion is produced in the machine operation of grinding set and groove or oil leakage phenomenon occurs, oil sealing is first adjusted to the regulation locking screw of the opposite side of gland two
Bolt has unclamped several pieces of adjusting gaskets, and the pad that should be stayed and regulation clamping screw are tightened, then loosens another two opposite side regulation lock
Tight bolt acts several pieces of adjusting gaskets, then all assembling bolts are tightened, and makes dish-shaped edged oil sealing in oil seal gasket of different shapes
The rigid deformation of the lower generation dish of adjustment control effect of piece and adjusting gasket and oil sealing regulation gland, touching makes dish-shaped oil sealing sagittal plane
Producing effectively sealing, above-mentioned dish-shaped edged oil sealing to shafting or the skew of wear-resistant sleeve abration position can be such that dish-shaped oil sealing is repeatedly adjusted
Section reaches sealing effectiveness, and oil sealing box uses seal with O ring with stern tube shaft flange copper sheathing, changes original flat gasket, improve
The efficiency of assembling is changed, sealing effectiveness is also more preferable.
Embodiment described above is only the preferred embodiments of the invention, and the practical range of the present invention is not limited with this,
Therefore the change that all shape, principles according to the present invention are made, it all should cover within the scope of the present invention.
Claims (3)
1. new dish-shaped edged oil-sealing arrangement, it is characterised in that：It includes regulation clamping screw（1）, oil sealing regulation gland
（2）, adjusting gasket（3）, oil sealing box（4）, oil sealing box O-ring seals（5）, dish-shaped edged oil sealing（6）, the dish-shaped unidirectional pad of oil sealing
（7）, stern tube shaft ferule（8）, oil pipe inlet-outlet connector（9）, stern tube shaft flange copper sheathing（10）, the two-way pad of oil sealing profit（11）, ship
Use stern tube shaft（12）, copper sheathing O-ring seals（13）, wherein, marine screw shaft（12）Axle body outer sheath is equipped with stern tube shaft ferule（8）, stern
Axle ferule（8）Both ends inner chamber is provided with stern tube shaft flange copper sheathing（10）, two stern tube shaft flange copper sheathings（10）Between form grease chamber, stern tube shaft
Flange copper sheathing（10）It is enclosed on marine screw shaft（12）On, stern tube shaft ferule（8）It is sleeved on stern tube shaft flange copper sheathing（10）Outside, stern tube shaft method
Blue copper sheathing（10）Internal chamber wall and marine screw shaft（12）Oil pocket is reserved between axle body, oil pocket the inner is connected with grease chamber, oil pocket outer end
Pass through oil sealing box O-ring seals（5）Sealing, stern tube shaft flange copper sheathing（10）Lateral wall and stern tube shaft ferule（8）Between be reserved with
Oily passage, excessively oily passage is inner to be connected with grease chamber, and excessively oily passage outer end passes through corresponding copper sheathing O-ring seals（13）Sealing, ship
Use stern tube shaft（12）Oil sealing box is set with the axle body at both ends（4）, the oil sealing box after suit（4）One end and stern tube shaft ferule（8）Phase
Contradict, oil sealing box（4）Internal chamber wall is provided with O shape grooves, and dish-shaped edged oil sealing is provided with O shape grooves（6）With the two-way pad of oil sealing profit
Piece（11）, dish-shaped edged oil sealing（6）With the two-way pad of oil sealing profit（11）Between be provided with the unidirectional pad of dish-shaped oil sealing（7）, oil sealing
Box（4）The marine screw shaft of outer end（12）On be set with oil sealing regulation gland（2）, oil sealing regulation gland（2）Stepped, it is smaller
Cascaded surface it is inner with dish-shaped edged oil sealing（6）Outer end is inconsistent, and its larger cascaded surface is inner to be provided with adjusting gasket（3）, compared with
Big cascaded surface outer end is provided with regulation clamping screw（1）, adjust clamping screw（1）Gland is adjusted through oil sealing（2）, adjusting gasket
（3）, oil sealing box（4）Afterwards with stern tube shaft ferule（8）Connection locking；Stern tube shaft ferule（8）It is provided with oil pipe inlet-outlet connector（9）,
Oil pipe inlet-outlet connector（9）It is connected with excessively oily passage.
2. new dish-shaped edged oil-sealing arrangement according to claim 1, it is characterised in that：Dish-shaped edged oil sealing（6）Including
There is main body, be provided with centre bore at main center, and marine screw shaft is sleeved on by centre bore（12）On, set on centre bore internal chamber wall
There is the extruding groove of V-arrangement（14）, body side is provided with the dovetail groove of indent, and opposite side is provided with the trapezoidal faces of evagination, and dovetail groove is larger
One end be located at outside.
3. new dish-shaped edged oil-sealing arrangement according to claim 1, it is characterised in that：The dish-shaped unidirectional pad of oil sealing（7）
In a ring, the diameter of its centre bore is more than marine screw shaft to main body（12）Diameter, the dish-shaped unidirectional pad of oil sealing（7）The wherein ring of side
Evagination is located at dish-shaped edged oil sealing formed with extrusion ring, extrusion ring on face（6）Side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710944036.9A CN107524813B (en) | 2017-10-12 | 2017-10-12 | Novel dish-shaped edge oil seal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710944036.9A CN107524813B (en) | 2017-10-12 | 2017-10-12 | Novel dish-shaped edge oil seal device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107524813A true CN107524813A (en) | 2017-12-29 |
| CN107524813B CN107524813B (en) | 2023-08-25 |
Family
ID=60685011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710944036.9A Active CN107524813B (en) | 2017-10-12 | 2017-10-12 | Novel dish-shaped edge oil seal device |
Country Status (1)
| Country | Link |
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| CN (1) | CN107524813B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108825642A (en) * | 2018-08-02 | 2018-11-16 | 湖南大洋机械制造有限公司 | Marine screw shaft system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3740058A (en) * | 1971-07-26 | 1973-06-19 | Waukesha Bearings Corp | Forward sealing assembly for stern tubes |
| CN101280850A (en) * | 2008-05-16 | 2008-10-08 | 李雄 | Rolling bearing end-face seal ring |
| CN102748474A (en) * | 2012-07-19 | 2012-10-24 | 上海德宝密封件有限公司 | Integrated sealing device applicable to stern shaft |
| CN203309112U (en) * | 2013-04-15 | 2013-11-27 | 涡阳县信隆船舶附件有限公司 | Tail shaft sealing assembly |
| CN105465365A (en) * | 2015-12-31 | 2016-04-06 | 沅江市大阳机械制造有限公司 | Adjustable tail shaft sealing device for ship |
| CN207229758U (en) * | 2017-10-12 | 2018-04-13 | 湖南三环船舶工程有限公司 | New dish edged oil-sealing arrangement |
-
2017
- 2017-10-12 CN CN201710944036.9A patent/CN107524813B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3740058A (en) * | 1971-07-26 | 1973-06-19 | Waukesha Bearings Corp | Forward sealing assembly for stern tubes |
| CN101280850A (en) * | 2008-05-16 | 2008-10-08 | 李雄 | Rolling bearing end-face seal ring |
| CN102748474A (en) * | 2012-07-19 | 2012-10-24 | 上海德宝密封件有限公司 | Integrated sealing device applicable to stern shaft |
| CN203309112U (en) * | 2013-04-15 | 2013-11-27 | 涡阳县信隆船舶附件有限公司 | Tail shaft sealing assembly |
| CN105465365A (en) * | 2015-12-31 | 2016-04-06 | 沅江市大阳机械制造有限公司 | Adjustable tail shaft sealing device for ship |
| CN207229758U (en) * | 2017-10-12 | 2018-04-13 | 湖南三环船舶工程有限公司 | New dish edged oil-sealing arrangement |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108825642A (en) * | 2018-08-02 | 2018-11-16 | 湖南大洋机械制造有限公司 | Marine screw shaft system |
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| Publication number | Publication date |
|---|---|
| CN107524813B (en) | 2023-08-25 |
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