CN101153661B - Device with a tension rod tensioning mechanism - Google Patents
Device with a tension rod tensioning mechanism Download PDFInfo
- Publication number
- CN101153661B CN101153661B CN2007101531169A CN200710153116A CN101153661B CN 101153661 B CN101153661 B CN 101153661B CN 2007101531169 A CN2007101531169 A CN 2007101531169A CN 200710153116 A CN200710153116 A CN 200710153116A CN 101153661 B CN101153661 B CN 101153661B
- Authority
- CN
- China
- Prior art keywords
- sealing
- pull bar
- equipment
- sealing area
- lining
- 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.)
- Expired - Fee Related
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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
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
- F16J15/10—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing
- F16J15/104—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing characterised by structure
- F16J15/106—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing characterised by structure homogeneous
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F7/00—Casings, e.g. crankcases or frames
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F11/00—Arrangements of sealings in combustion engines
- F02F11/002—Arrangements of sealings in combustion engines involving cylinder heads
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Gasket Seals (AREA)
Abstract
The invention relates to a device, in particular a marine diesel internal combustion engine, having a tie rod tensioning mechanism, wherein the structural components of the device are connected to one another by at least one tie rod (17) for providing a compressive preload in the structural components, wherein a sealing device (22) is associated with each tie rod (17) for sealing the thread of the tie rod against a medium. According to the invention, the sealing device is designed as a sealing liner (22).
Description
Technical field
The present invention relates to a kind of equipment, especially marine diesel oil internal-combustion engine, it has draw rod tension mechanism (Zugankerverspannung), the construction package of wherein said equipment is used for providing the pull bar of compressive pre-stress to interconnect at construction package by at least one, wherein each pull bar has been set up seal arrangement, be used for the screw thread of pull bar is sealed with respect to medium.
Background technique
For marine diesel oil internal-combustion engine and other internal-combustion engine, known its construction package interconnects by a plurality of pull bars (Zuganker), and sets up compressive pre-stress (Druckvorspannung) by pull bar in interconnective construction package.Therefore in the marine diesel oil internal-combustion engine, especially crankcase is connected by a plurality of pull bars with cylinder head.
Described pull bar has outside thread, can be connected with wanting one of interconnective construction package by this outside thread pull bar, and wherein pull bar is packed into, namely is screwed into inside the groove with internal thread of construction package by its outside thread for this reason.For internal-combustion engine, the screw thread of pull bar must prevent because the corrosive action of aggressive medium is used for preventing from fractureing thus pull bar.In practice pull bar has been set up seal arrangement for this reason.
By putting into practice in the known internal-combustion engine, the seal arrangement that is attached to pull bar is made of O-ring seals, and they are arranged on the groove the inside of corresponding pull bar.The groove that is used for holding O-ring seals causes notch stress at pull bar, may make thus the pull bar fracture that is in operation.
The medium that plays in addition corrosive action accumulates on the O-ring seals, make thus pull bar can be on O-ring seals corrosion and fractureing.Therefore be defective generally by O-ring seals sealing pull bar.
Summary of the invention
Therefore the objective of the invention is, a kind of novel equipment with draw rod tension mechanism is provided.This purpose is achieved by technological scheme 1.According to the present invention, described seal arrangement is configured to sealing lining (Dichtmanschette).
According to the present invention, the seal arrangement of pull bar-sealing device seals-is constructed to the sealing lining with the screw thread of pull bar with respect to the medium that corrosive action is arranged.Can abandon thus the groove in pull bar, this groove is used for holding O-ring seals according to prior art.Make thus more highland load of pull bar, perhaps also can alternatively under the condition of identical load, make pull bar have less cross section.During this external use sealing lining, avoided on screw thread, building up the medium of corrosion, the danger that fractures of pull bar is minimized.
According to favourable improvement project of the present invention, described seal ring has two sealing areas, namely have the first sealing area with wanting sealed screw thread first end apart, and has the second sealing area adjacent to the second end of wanting sealed screw thread, wherein the first sealing area is made of a plurality of projections, these projections make the second sealing area and seal with respect to the medium that corrosive action is arranged, and wherein the second sealing area makes the screw thread of pull bar seal with respect to the medium that corrosive action is arranged.
Described sealing lining preferable shape is placed on section's section of corresponding pull bar ordinatedly, but also can vulcanize gummed (aufvulkanisieren), hot pressing suit (aufschrumpfen) or bonding (aufkleben) on section's section of corresponding pull bar.
Description of drawings
Provide advantageous modification of the present invention by attached technological scheme and following description.Explain embodiments of the invention by means of accompanying drawing, but be not limited to these embodiments.In the accompanying drawing:
Fig. 1 illustrates by the known equipment with draw rod tension mechanism of prior art with the cross-sectional view of part,
Fig. 2 illustrates the equipment that has draw rod tension mechanism according to of the present invention with the cross-sectional view of part,
Fig. 3 illustrates another mode of execution that has the equipment of draw rod tension mechanism according to of the present invention with the cross-sectional view of part.
Reference numerals list
10 pull bars
11 construction packages
12 ends
13 outside threads
14 internal threads
15 seal arrangements
16 grooves
17 pull bars
18 construction packages
19 ends
20 outside threads
21 internal threads
22 seal arrangements
23 first ends
24 first sealing areas
25 the second ends
26 second sealing areas
27 projections
28 sections
29 O shapes circle
Embodiment
Before describing the present invention in detail by means of Fig. 2, by means of Fig. 1 prior art is described first below.
Fig. 1 illustrates the known pull bar connection (Zuganker-verbindung) of prior art with the cross section of part, this pull bar is connected in the zone of the pull bar 10 of marine diesel oil internal-combustion engine and construction package 11 between the construction package of marine diesel oil internal-combustion engine, and wherein construction package 11 refers to crankcase.This pull bar 10 has outside thread 13 an end 12, and wherein this pull bar 10 is threaded with construction package 11 by outside thread 13, and namely the internal thread 14 with the groove the inside that is set to construction package 11 is threaded.
The screw thread between pull bar 10 and construction package 11 that connects in order to seal pull bar has been set up a seal arrangement 15 to pull bar 10, and it is made of O-ring seals according to the prior art of Fig. 1.This O-ring seals is arranged on groove 16 the insides of pull bar 10, and wherein this groove 16 causes the notch stress in the pull bar 10.The load of pull bar 10 is reduced.
During this external pull bar according to Fig. 1 connects, on the seal arrangement 15 between pull bar 10 and construction package 11 accumulation aggressive medium is arranged, the screw thread of pull bar 10 is sealed with respect to this aggressive medium.Pull bar 10 bears corrosive wear on seal arrangement 15 thus, so pull bar 10 may fracture on the screw thread of seal arrangement 15.
Fig. 2 illustrates according to the zone of device of the present invention at pull bar 17 and the construction package 18 of this device with the cross section of part.Also 19 places have outside thread 20 to this pull bar 17 in the end, and wherein pull bar 17 is connected with construction package 18 by outside thread 20, namely are screwed into the groove the inside with internal thread 21 of construction package 18.For the screw thread that makes pull bar 17 seals with respect to the effect of aggressive medium, in pull bar 17, set up seal arrangement 22, it is made of the sealing lining on meaning of the present invention.
Described sealing lining 22 has shape or the profile of blown tubular or tubulose, and arrangement, especially sulfuration are glued together or hot pressing is set with or bonds on section's section of pull bar 17.Sealing lining 22 form fit ground is fixed on this pull bar in the groove that is configured to circular groove (Eindrehung) of pull bar.
Described sealing lining 22 has two sealing areas, namely have the first sealing area 24 with the screw thread first end 23 apart of wanting sealed pull bar 17, and having the second sealing area 26 on the screw thread opposite that is positioned at the pull bar 17 of wanting sealed or with the adjacent the second end 25 of this screw thread.
As shown in Figure 3, the second sealing area 26 also can selectively for example be realized with O shape 29 forms of enclosing by the second Sealing.Sealing lining 22 is only constructed at first end 23 in the first sealing area 24 for this reason.
According to Fig. 2 but also according to embodiment shown in Figure 3 in, the first sealing area 24 consists of by a plurality of protruding 27, these projections seal the second sealing area 26 with respect to aggressive medium.Therefore the first sealing area 24 prevents that aggressive medium from entering the second sealing area 26 and accumulate on the sealing area.
The second sealing area 26 makes the screw thread of pull bar 17 seal with respect to aggressive medium, wherein in the embodiment shown, constructs like this second sealing area 26, makes it be formed for the backstop that pull bar 17 is encased in the degree of depth of packing in the construction package 18.In section section 28 actings in conjunction of this second sealing area 26 according to the relative configurations of Fig. 2 and construction package 18.
According to Fig. 3, different from the mode of execution of Fig. 2, zone 26 seals with identical effect by the second Sealing that encloses 29 forms for O shape, namely with identical according to the effect shown in the embodiment of Fig. 2.Certainly replace O shape circle 29 also can for example have the second sealing lining.
Therefore according to the present invention, use the sealing lining in order to seal pull rod screw, it is fixed on the pull bar.Sealing lining fixing on pull bar can be realized thus, makes sealing lining sulfuration gummed or hot pressing be set with or be bonded on the pull bar.Be fixed on the pull bar with can making equally sealing lining form fit.The sealing lining is preferred also as assembling backstop.
Major advantage of the present invention is to abandon the groove that is used for holding O-ring seals in the pull bar.Make thus more highland carrying of pull bar.For identical pull bar load, can reduce the cross section of pull bar.Obtain thus the advantage of cost and weight aspect.During this external use sealing lining, the danger that aggressive medium accumulates on the screw thread of wanting sealed on the pull bar minimizes, and reduces generally thus the corrosion requirement of pull bar.
1. equipment, especially marine diesel oil internal-combustion engine, has draw rod tension mechanism, the construction package of wherein said equipment is used for providing the pull bar of compressive pre-stress to interconnect at construction package by at least one, wherein each pull bar has been set up seal arrangement, be used for the screw thread of pull bar is sealed with respect to medium, it is characterized in that, described seal arrangement comprises at least one sealing lining 22.
2. such as technological scheme 1 described equipment, it is characterized in that described sealing lining 22 has blown tubular or tubular shape.
3. such as technological scheme 1 or 2 described equipment, it is characterized in that described sealing is fixed to with serving as a contrast 22 form fit or vulcanizate is incorporated into or the hot pressing cover installs to or bonds on section's section of corresponding pull bar 17.
4. such as one or more described equipment in the technological scheme 1 to 3, it is characterized in that, described seal arrangement has two sealing areas 24,26, namely have the first sealing area 24 with wanting sealed screw thread first end 23 apart, and have the second sealing area 26 adjacent to the second end 25 of wanting sealed screw thread.
5. such as technological scheme 4 described equipment, it is characterized in that two sealing areas are sealed by sealing lining 22.
6. such as technological scheme 4 described equipment, it is characterized in that described sealing lining 22 is 24 sealings of the first sealing area, and described the second sealing area 26 seals by the second Sealing, this second Sealing is preferably the form of O shape circle 29.
7. such as one or more described equipment in the technological scheme 4 to 6, it is characterized in that described the first sealing area 24 consists of by a plurality of protruding 27, these projections with the second sealing area 26 with respect to medium-tight.
8. such as one or more described equipment in the technological scheme 4 to 7, it is characterized in that, described the second sealing area 26 with screw thread with respect to medium-tight.
9. such as one or more described equipment in the technological scheme 4 to 8, it is characterized in that described the second sealing area 26 forms backstop, this backstop has limited the degree of depth of packing into of described pull bar 17.
Claims (10)
1. equipment with draw rod tension mechanism, the construction package of wherein said equipment is used for providing the pull bar of compressive pre-stress to interconnect at construction package by at least one, wherein each pull bar has been set up seal arrangement, be used for the screw thread of pull bar is sealed with respect to medium, it is characterized in that, described seal arrangement comprises at least one sealing lining (22)
Be fixed on section's section of corresponding pull bar (17) to described sealing lining (22) form fit.
2. equipment as claimed in claim 1 is characterized in that, described sealing lining (22) has tubular shape.
3. such as the arbitrary described equipment of claim 1 to 2, it is characterized in that, described seal arrangement has two sealing areas (24,26), namely have the first sealing area (24) with wanting sealed screw thread first end (23) apart, and have the second sealing area (26) adjacent to the second end (25) of wanting sealed screw thread.
4. equipment as claimed in claim 3 is characterized in that, two sealing areas are sealed by sealing lining (22).
5. equipment as claimed in claim 3 is characterized in that, described sealing lining (22) is with the first sealing area (24) sealing, and described the second sealing area (26) seals by the second Sealing.
6. equipment as claimed in claim 3 is characterized in that, described the first sealing area (24) is made of a plurality of projections (27), these projections with the second sealing area (26) with respect to medium-tight.
7. equipment as claimed in claim 3 is characterized in that, described the second sealing area (26) with screw thread with respect to medium-tight.
8. equipment as claimed in claim 3 is characterized in that, described the second sealing area (26) forms backstop, and this backstop has limited the degree of depth of packing into of described pull bar (17).
9. equipment as claimed in claim 1 is characterized in that, bonds on section's section of corresponding pull bar (17) to described sealing lining (22) form fit.
10. equipment as claimed in claim 9 is characterized in that, described sealing lining (22) form fit ground vulcanizate is incorporated into or the hot pressing cover installs on section's section of corresponding pull bar (17).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102006045800.1 | 2006-09-26 | ||
| DE102006045800A DE102006045800B4 (en) | 2006-09-26 | 2006-09-26 | Marine diesel engine with a tension tie tension |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101153661A CN101153661A (en) | 2008-04-02 |
| CN101153661B true CN101153661B (en) | 2013-01-23 |
Family
ID=38468649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007101531169A Expired - Fee Related CN101153661B (en) | 2006-09-26 | 2007-09-26 | Device with a tension rod tensioning mechanism |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JP5405730B2 (en) |
| KR (1) | KR101283279B1 (en) |
| CN (1) | CN101153661B (en) |
| DE (1) | DE102006045800B4 (en) |
| FI (1) | FI126321B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5456717B2 (en) * | 2011-03-31 | 2014-04-02 | 株式会社クボタ | Engine input control lever shaft sealing device |
| DE102015219386A1 (en) * | 2015-10-07 | 2017-04-27 | Continental Automotive Gmbh | Device for a motor vehicle and method for operating a motor vehicle |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2549342A1 (en) * | 1975-11-04 | 1977-05-12 | Kloeckner Humboldt Deutz Ag | THREADED HOLE SEAL FOR A SCREW CONNECTION |
| JPS5979618U (en) * | 1982-11-19 | 1984-05-29 | 東洋電機製造株式会社 | Button for bolt hole seal |
| JPS60134968U (en) * | 1984-02-21 | 1985-09-07 | 株式会社小松製作所 | Seal device for bolt joints |
| DK174079B1 (en) * | 1995-06-09 | 2002-05-21 | Man B & W Diesel As | Method of Removing a Broken Stag Bolt from a Large Two-Stroke Cross-Head Motor and Such a Motor |
| KR100358748B1 (en) * | 1998-12-31 | 2003-01-15 | 주식회사 만도 | Brake booster for vehicle |
| US6593674B2 (en) * | 2001-02-26 | 2003-07-15 | Woodward Governor Company | Vibration isolator and actuator incorporating same for isolating integral electronics |
-
2006
- 2006-09-26 DE DE102006045800A patent/DE102006045800B4/en not_active Expired - Fee Related
-
2007
- 2007-08-01 FI FI20070578A patent/FI126321B/en not_active IP Right Cessation
- 2007-08-17 KR KR1020070082713A patent/KR101283279B1/en active IP Right Grant
- 2007-09-06 JP JP2007231351A patent/JP5405730B2/en not_active Expired - Fee Related
- 2007-09-26 CN CN2007101531169A patent/CN101153661B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| DE102006045800A1 (en) | 2008-04-03 |
| KR101283279B1 (en) | 2013-07-11 |
| DE102006045800B4 (en) | 2013-10-17 |
| JP5405730B2 (en) | 2014-02-05 |
| FI20070578A (en) | 2008-03-27 |
| FI20070578A0 (en) | 2007-08-01 |
| JP2008082548A (en) | 2008-04-10 |
| KR20080028272A (en) | 2008-03-31 |
| CN101153661A (en) | 2008-04-02 |
| FI126321B (en) | 2016-09-30 |
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Legal Events
| 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 | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Augsburg Patentee after: MAN ENERGY SOLUTIONS SE Address before: Augsburg Patentee before: Man Diesel & Turbo SE |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190424 Address after: Augsburg Patentee after: Man Diesel & Turbo SE Address before: Augsburg Patentee before: Man Diesel Se |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130123 Termination date: 20200926 |