CN1067300A - The stern seal of tube spare of rotation shaft seal, particularly marine propeller axle - Google Patents

The stern seal of tube spare of rotation shaft seal, particularly marine propeller axle Download PDF

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Publication number
CN1067300A
CN1067300A CN92103939A CN92103939A CN1067300A CN 1067300 A CN1067300 A CN 1067300A CN 92103939 A CN92103939 A CN 92103939A CN 92103939 A CN92103939 A CN 92103939A CN 1067300 A CN1067300 A CN 1067300A
Authority
CN
China
Prior art keywords
seal
gland
spare
conductor
rotation shaft
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN92103939A
Other languages
Chinese (zh)
Other versions
CN1032714C (en
Inventor
E·-P·冯贝尔根
G·皮奇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SKF Marine GmbH
Original Assignee
Blohm and Voss GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Blohm and Voss GmbH filed Critical Blohm and Voss GmbH
Publication of CN1067300A publication Critical patent/CN1067300A/en
Application granted granted Critical
Publication of CN1032714C publication Critical patent/CN1032714C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H23/00—Transmitting power from propulsion power plant to propulsive elements
    • B63H23/32—Other parts
    • B63H23/321—Bearings or seals specially adapted for propeller shafts
    • 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
    • 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
    • F16J15/002—Sealings comprising at least two sealings in succession
    • F16J15/008—Sealings comprising at least two sealings in succession with provision to put out of action at least one sealing; One sealing sealing only on standstill; Emergency or servicing sealings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H23/00—Transmitting power from propulsion power plant to propulsive elements
    • B63H23/32—Other parts
    • B63H23/321—Bearings or seals specially adapted for propeller shafts
    • B63H2023/327—Sealings specially adapted for propeller shafts or stern tubes

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Ocean & Marine Engineering (AREA)
  • Sealing Devices (AREA)
  • Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)

Abstract

A kind of rotation shaft seal, the stern shaft seal spare of marine propeller axle particularly, be preferably with and be located at the intrasystem rotating ring sealing spare of fixed bearing, also have one and be located at this intrasystem back-up seal, the sealing part is arranged to have the sealing elements of stuffing-box of a soft packing and a Gland, this gland can move axially a conductor upper edge, a cavity system is housed between conductor and Gland, and primary seal this system of Shi Kexiang that breaks down imports pressure medium back-up seal is worked.Said system is made of along a uniform independent piston cylinder element of concentric circumferences a plurality of, each unit is respectively equipped with the tributary of pressure medium.

Description

The stern seal of tube spare of rotation shaft seal, particularly marine propeller axle
The present invention relates to a kind of rotation shaft seal, the stern shaft seal spare of marine propeller axle particularly, the sealing device has or is provided with axle sleeve, have the intrasystem seal ring of fixed bearing that is located at towards the axle horizontal, rotating ring sealing spare preferably, also have a back-up seal that is located in the supporting system, this back-up seal is arranged to have the sealing elements of stuffing-box of a soft packing and a Gland, this Gland can move axially a conductor upper edge that is connected with supporting system, a cavity system wherein is housed between conductor and Gland, main Sealing can import a kind of hydraulic pressure or Pneumatic pressure medium to this cavity system when breaking down, and this medium then makes back-up seal work.
This seal arrangement is by German prospectus DE-OS(German patent application P4028048.9) become knownly, its hollow cavity system is made of an independent annular expander, and this expander is inserted between conductor and Gland with being flattened.
In this seal arrangement, when situation appears closely in single pressure body, there is the ineffective danger of whole back-up seal.
Task of the present invention is, overcome this difficulty and finish this task by following technique measures, being about to single pressure body is substituted with the concentric equally distributed independent pressure body of circumference of axle center and Gland along one by a plurality of, these pressure bodies are arranged to each independent piston cylinder element, and the tributary that these unit is disposed hydraulic pressure or Pneumatic pressure medium respectively.
By single pressure body being divided into a plurality of independent pressure bodies, even make these single pressure bodies because of this or that Sealing because for example blow-by of breaking down of the seal ring between piston and the cylinder barrel in the piston cylinder element, back-up seal still can continue to play a role.
In the accompanying drawing content of the present invention is specifically illustrated by means of an embodiment, wherein:
Fig. 1 is according to a kind of seal arrangement longitudinal plane of the present invention.
Fig. 2 is the transverse section along A-A line among Fig. 1.
Represent the part of ship outer casing with piece number 2, this part comprises that a passage 3 is used to settle a ship axle 4 that leads to propeller cavitation from marine main engine, suit one axle sleeve 4a on this ship axle.
Is that a seal arrangement 5 connects the same multistage supporting systems 5 that are fixed on the ship outer casing 2 as ship axle 4 or axle sleeve 4a with respect to the Sealing of outside waters W, and 5a, 5b, this supporting system comprise a primary seal 6 and a back-up seal 8.
Primary seal 6 is to be arranged to rotating ring sealing spare, so its Chang Youyi swivel becket 6c constitutes, and this swivel becket 6c is clamped between a ring 6a who is connected with axle sleeve 4a and the pairing ring 6b who is connected with supporting system.In addition in the embodiment shown primary seal 6 be equipped with one can blow afloat leave standstill secondary seal 7, the sealing part can work by pressure medium where necessary.Back-up seal 8 is used as emergent seal arrangement when primary seal 6 breaks down, and is provided with a Gland 13 and soft packing 14 as sealing elements of stuffing-box.Gland 13 can move vertically with respect to a ring shaped conductor 11, and 11 of this conductors pass through a spacing bar 10 fixedlys connected with supporting system 5a, 5b.Gland 13 outsides are provided with an annular flange dish 13a, suitably are provided with a plurality ofly on this flange plate 13a, and present embodiment is 8 cylindrical depression 13b, and these depressions 13b are evenly distributed on the circumference.11 of conductors are equipped with respective numbers, are 8 piston 11b that are placed in the cylindrical depression 11a in the present embodiment, and these pistons 11b forms the piston cylinder unit with depression 13b acting in conjunction.
Lead the respectively tube chamber of each piston cylinder unit of each arm 17a of pressure piping 17,17 of this pressure pipings are connected with a pressure source 18 of hydraulic pressure or Pneumatic pressure media drive.Pressure piping 17 also is connected with a pressure piping 19, this pressure piping 19 communicates with outside waters W, and the pressure regulator 15 of packing on this pressure piping 19, and this regulator is worked like this, the pressure of corresponding adherence pressure medium when promptly externally waters pressure raises, and vice versa.In addition, a recovery device 16 also is housed between the annular flange dish 13a of supporting system 5a, 5b and Gland 13, this recovery device 16 is made of at least one helical spring 16a and a push rod 16b coefficient with it, wherein helical spring 16a is placed in supporting system 5a, in the 5b, push rod 16b then is connected with annular flange dish 13a with its free end.The restoring force of helical spring 16a is set like this, makes this spring respectively Gland 13 be moved to the disengaging configuration when the pressure of pressure medium reduces, thereby makes soft packing 14 lax.Also be provided with a regulating device 9, this regulating device 9 is contained between conductor 11 and the spacing bar 10, and is made of a nut 9a, and this nut can rotate in a groove of conductor 11, but can not move vertically, and by screw thread 10a and 10 actings in conjunction of spacing bar.
This regulating device that can manually control is on the one hand as when the expander blow-by or the safty device of pressure source when interrupting, on the other hand as the correcting device of whole backup seal system initial position.

Claims (1)

  1. The rotation shaft seal, the stern shaft seal spare of propeller shaft peculiar to vessel particularly, have or do not have an axle sleeve, have the intrasystem seal ring of fixed bearing that is located at towards the axle horizontal, rotating ring sealing spare preferably, also have a back-up seal that is located in the supporting system, this back-up seal is arranged to have the sealing elements of stuffing-box of a soft packing and a Gland, this Gland can move axially a conductor upper edge that is connected with supporting system, a cavity system wherein is housed between conductor and Gland, when breaking down, primary seal can in this cavity system, import a kind of hydraulic pressure or Pneumatic pressure medium, this medium then makes back-up seal work, it is characterized in that, the cavity system by a plurality of along a circumference equally distributed independent piston cylinder element (11 concentric with the axle center, 11b, 13) constitute the tributary (17a) that each unit is disposed hydraulic pressure or Pneumatic pressure medium respectively.
CN92103939A 1991-05-25 1992-05-25 Sealing device for rotating shafts, seal particularly suitable for propeller shaft-tube of ship Expired - Lifetime CN1032714C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4117097A DE4117097C2 (en) 1991-05-25 1991-05-25 Sealing device for rotating shafts, in particular stern tube sealing for ship propeller shafts
DEP4117097.0 1991-05-25

Publications (2)

Publication Number Publication Date
CN1067300A true CN1067300A (en) 1992-12-23
CN1032714C CN1032714C (en) 1996-09-04

Family

ID=6432399

Family Applications (1)

Application Number Title Priority Date Filing Date
CN92103939A Expired - Lifetime CN1032714C (en) 1991-05-25 1992-05-25 Sealing device for rotating shafts, seal particularly suitable for propeller shaft-tube of ship

Country Status (7)

Country Link
JP (1) JPH0694139A (en)
KR (1) KR100227524B1 (en)
CN (1) CN1032714C (en)
DE (1) DE4117097C2 (en)
GB (1) GB2256238B (en)
RU (1) RU2041133C1 (en)
SE (1) SE505762C2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1054820C (en) * 1994-09-24 2000-07-26 布隆福斯工业有限公司 Safety device of sealing unit of axle of ship propellor
CN1054821C (en) * 1994-09-24 2000-07-26 布隆福斯工业有限公司 Regulating device for use while ship's draught is changing
CN105972217A (en) * 2016-07-26 2016-09-28 中国舰船研究设计中心 Servo-type stern shaft tube emergency sealing device for submersible vehicle

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29605496U1 (en) * 1996-03-25 1996-05-23 Feodor Burgmann Dichtungswerke GmbH & Co, 82515 Wolfratshausen Preload device for a stuffing box seal
DE29818576U1 (en) * 1998-10-17 2000-03-02 Depac Dichtungstechnik Gmbh, Bludenz Safety double mechanical seal
AU1899800A (en) * 1998-12-11 2000-07-03 Grm Distributors Limited A sealing device and a method of repairing/replacing sealing devices
WO2008028235A1 (en) * 2006-09-05 2008-03-13 Technofast Industries Pty Ltd Gland packer
US8186687B2 (en) * 2009-12-30 2012-05-29 Scenic Precise Element Inc. Cartridge seal device
EP2993123B1 (en) * 2014-09-02 2017-03-08 ABB Oy Seal arrangement in a vessel
MX2021012569A (en) * 2019-04-18 2021-11-12 Chesterton A W Co System and method for automatically energizing packing material with a packing loading assembly.
KR102329940B1 (en) * 2021-06-28 2021-11-22 박영섭 Stern tube sealing device
WO2024097773A1 (en) * 2022-11-01 2024-05-10 A.W. Chesterton Company System and method for automatically energizing packing material with a packing loading assembly
KR102656064B1 (en) 2022-12-31 2024-04-09 성상호 A sofa block consisting of six conical projections and method for constructing a breakwater using its

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2026628B (en) * 1978-07-26 1982-12-08 Louth R Seals
DD265945A1 (en) * 1987-11-06 1989-03-15 Zemag Zeitz Eisengiess Maschf STOP SOCKET WITH POSITIONING DEVICE
DE3815665A1 (en) * 1988-05-07 1989-11-16 Sindelar Guenter Method for forming high-alloy steels and super alloys
DE4028048C2 (en) * 1990-09-05 1994-12-08 Blohm Voss Ag Sealing device for rotating shafts, in particular stern tube sealing for ship propeller shafts

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1054820C (en) * 1994-09-24 2000-07-26 布隆福斯工业有限公司 Safety device of sealing unit of axle of ship propellor
CN1054821C (en) * 1994-09-24 2000-07-26 布隆福斯工业有限公司 Regulating device for use while ship's draught is changing
CN105972217A (en) * 2016-07-26 2016-09-28 中国舰船研究设计中心 Servo-type stern shaft tube emergency sealing device for submersible vehicle

Also Published As

Publication number Publication date
RU2041133C1 (en) 1995-08-09
KR100227524B1 (en) 1999-11-01
GB2256238A (en) 1992-12-02
GB2256238B (en) 1994-10-26
KR920021903A (en) 1992-12-19
DE4117097C2 (en) 1995-11-16
SE505762C2 (en) 1997-10-06
JPH0694139A (en) 1994-04-05
SE9201586L (en) 1992-11-26
CN1032714C (en) 1996-09-04
SE9201586D0 (en) 1992-05-20
DE4117097A1 (en) 1992-11-26
GB9211108D0 (en) 1992-07-08

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Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
C53 Correction of patent for invention or patent application
COR Change of bibliographic data

Free format text: CORRECT: PATENTEE; FROM: BLOHM + VOSS AG TO: BLONFOX INDUSTRIAL CO., LTD.

CP01 Change in the name or title of a patent holder

Patentee after: Blohm+Voss Industrie GmbH

Patentee before: Blohm Voss AG

C15 Extension of patent right duration from 15 to 20 years for appl. with date before 31.12.1992 and still valid on 11.12.2001 (patent law change 1993)
OR01 Other related matters
C17 Cessation of patent right
CX01 Expiry of patent term

Expiration termination date: 20120525

Granted publication date: 19960904