CN103422471A - Fender used for self-elevating platform pile legs - Google Patents
Fender used for self-elevating platform pile legs Download PDFInfo
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- CN103422471A CN103422471A CN2013103193482A CN201310319348A CN103422471A CN 103422471 A CN103422471 A CN 103422471A CN 2013103193482 A CN2013103193482 A CN 2013103193482A CN 201310319348 A CN201310319348 A CN 201310319348A CN 103422471 A CN103422471 A CN 103422471A
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- cylinder
- fender
- steel cylinder
- rubber
- jack
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
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Abstract
The invention discloses a fender used for self-elevating platform pile legs. The fender is sequentially composed of an inner rubber cylinder, an inner steel cylinder, a butterfly-shaped elastic element, an outer steel cylinder and an outer rubber cylinder from inside to outside in a sleeved and connected mode. A plurality of rubber rings I are equally arranged on the surface of the inner circle of the inner rubber cylinder in the axial direction and protrude out of the surface of the inner circle. A plurality of rubber rings II are equally arranged on the surface of the outer circle of the inner rubber cylinder in the axial direction and protrude out of the surface of the outer circle. A plurality of circular grooves I are equally formed in the surface of the inner circle of the inner steel cylinder and correspond to the rubber rings arranged on the surface of the outer circle of the inner rubber cylinder, and a plurality of circular grooves II are equally formed in the surface of the outer circle of the outer steel cylinder in the axial direction. A plurality of rubber rings III are equally arranged on the surface of the inner circle of the outer rubber cylinder in the axial direction and correspond to the circular grooves formed in the surface of the outer circle of the outer steel cylinder. The fender has the advantages of being small in rigidity and strong in energy absorption and plays a good role in buffering and protecting the pile legs within the range of 360 degrees, and impact counter force is reduced.
Description
Technical field
The invention belongs to ship domain, the buffer protection device while relating to a kind of boats and ships and jack-up unit collision, fender when especially a kind of boats and ships and the collision of jack-up unit spud leg.
Background technology
Collsion damage is one of jack-up unit principal risk that operation faces under the operating mode of standing, and the collision of jack-up unit and boats and ships mainly occurs near spud leg place Water Plane.When spud leg and boats and ships bump, may cause pile leg structure flexing or local yielding, wedge bracket is because bearing larger moment of flexure generation plastic strain, makes the lifting platform fastening system ability of losing the job, and even causes the platform upper hull to tilt, and platform is retired.Arrange a kind of buffer protection device (as fender) between boats and ships and spud leg, can effectively avoid the collsion damage of platform.
The Chinese patent that application number is 200910229036.6 discloses a kind ofly to has from floatation characteristic and from the rubber foaming fender of overvoltage protection ability, and applicable mal-condition is gone ashore by the use of going to dock of ship or ship.The United States Patent (USP) that application number is 20010007236 discloses the rubber fender that a kind of cylinder, trapezoidal round platform combine, the impact energy when absorbing the ship harbour.That the patent that World Intellectual Property Organization's publication number is WO/2010/085200 discloses is motor-driven, be contained in ship side protector on the hull side plate, improves hull alongside safety.
Yet the jack-up unit spud leg is that plate construction or the cross section that a kind of cross section with lifter rack is annulus is leg-of-mutton trussed construction, flexible large, requirement is little as the fender rigidity of buffer protection device, energy-absorbing is large; Large with ship collision angular distribution scope, need at one week, in (360 °) scope, to spud leg, carry out buffer protection.Current disclosed fender is all to design in order to protect boats and ships or harbour, obviously can't meet this specific (special) requirements.
Summary of the invention
The objective of the invention is, in order to overcome the prior art defect, provides a kind of fender for the jack-up unit spud leg.This fender has the advantages that rigidity is little, energy-absorbing is large, can avoid spud leg, boats and ships local plastic deformation to occur in collision process, in 360 ° of scopes, spud leg is carried out to buffer protection.
In order to achieve the above object, the technical solution used in the present invention is:
A kind of fender for the jack-up unit spud leg, described fender is from the inside to the outside successively by interior rubber cylinder, interior steel cylinder, butterfly flexible member, outer steel cylinder, outer rubber cylinder set and be connected to form; Wherein, described interior rubber cylinder internal circular surfaces is the impartial rubber ring I that is provided with the outstanding internal circular surfaces of some circles vertically, and interior rubber cylinder outer round surface is the impartial rubber ring II that is provided with the outstanding outer round surface of some circles vertically; Described interior steel cylinder internal circular surfaces is impartial vertically is provided with the corresponding annular groove I of rubber ring that some circles are provided with described interior rubber cylinder outer round surface, and described outer steel cylinder outer round surface equalization vertically is provided with some ring groove II; Described outer rubber cylinder internal circular surfaces equalization vertically is provided with the corresponding rubber ring III of annular groove that some circles are provided with described outer steel cylinder outer round surface.
The upper surface circumference equalization of interior steel cylinder described above is provided with the hanger of 3 lifting use.
Butterfly flexible member described above connects with all adopting screw being connected of described interior steel cylinder and described outer steel cylinder, and described butterfly flexible member one end is connected with described interior steel cylinder, and the other end is connected with outer steel cylinder.
Butterfly flexible member described above also has groove, and the material of butterfly flexible member is spring steel.
The cross sectional shape of rubber ring I described above is arc, and the cross sectional shape of described rubber ring II and described rubber ring III is any in swallow-tail form, trapezoidal, square or rectangle.。
Annular groove I described above and the flute profile of described annular groove II are any in dovetail groove, dovetail groove, square groove or rectangular channel.
The spacing of rubber ring I described above equates with the tooth pitch of lifter rack on described jack-up unit spud leg, wide poor of the tooth pitch that the width of rubber ring I is jack-up unit spud leg lifter rack and tooth root.
The present invention adopts technique scheme, has following beneficial effect:
1) due to the structure that adopts inside and outside rubber cylinder and butterfly flexible member to be in series, and by the butterfly flexible member, the horizontal direction distortion is converted into to the principle that distortion absorbs and store most collision energies vertically upward, the present invention has the advantages that rigidity is little, energy-absorbing is large, can when boats and ships and jack-up unit collision, play good cushioning effect, reduce Percussion counter-force.
2) external surface of outer rubber cylinder and boats and ships form inner surface and the jack-up unit spud leg formation flexible contact of flexible contact, interior rubber cylinder, can avoid spud leg, boats and ships that local plastic deformation occurs in collision process.
3) fender of the present invention connects hanger by anchor chain or wire rope and is lifted on jack-up unit and encloses the down-hole face; and be enclosed within on the jack-up unit spud leg; no matter boats and ships from which kind of angle collide spud leg; all can play buffer protection function, thereby can in 360 ° of scopes, to spud leg, carry out buffer protection.
The accompanying drawing explanation
Fig. 1 is contour structures top view of the present invention;
The A-A that Fig. 2 is Fig. 1 is to sectional view.
In figure, rubber cylinder in 1-, steel cylinder in 2-, 3-hanger, 4-attachment screw, 5-butterfly flexible member, the outer steel cylinder of 6-, 7-outer rubber cylinder, 11-rubber ring, 12-rubber ring, 21-annular groove, 51-groove, 61-annular groove, 71-rubber ring.
The specific embodiment
Further describe technical solution of the present invention below in conjunction with the drawings and specific embodiments.
As depicted in figs. 1 and 2, be a kind of fender for the jack-up unit spud leg of the present invention, described fender is set with and is connected to form by interior rubber cylinder 1, interior steel cylinder 2, butterfly flexible member 5, outer steel cylinder 6, outer rubber cylinder 7 successively from the inside to the outside.Wherein, the described interior rubber cylinder 1 internal circular surfaces rubber ring 11 that the impartial cross section that is provided with some outstanding internal circular surfaces is arc vertically, the outer round surface rubber ring 12 that the impartial cross section that is provided with some outstanding outer round surface is swallow-tail form vertically; Described interior steel cylinder 2 internal circular surfaces are impartial vertically is provided with the corresponding dovetail groove 21 of rubber ring 12 that some and described interior rubber cylinder 1 outer round surface is provided with, and described outer steel cylinder 6 outer round surface equalization vertically are provided with some circle dovetail grooves 61; Described outer rubber cylinder 7 internal circular surfaces are impartial vertically is provided with the rubber ring 71 that the corresponding cross section of dovetail groove 61 that some and described outer steel cylinder 6 outer round surface are provided with is swallow-tail form.
Described interior steel cylinder 2 upper surface circumference equalizations are provided with the hanger 3 of 3 lifting use.
Described butterfly flexible member 5 also has groove 51, for reducing spring rate, effectively horizontal movement is converted into to vertical displacement, and the material of butterfly flexible member 5 is spring steel.
Described interior rubber cylinder 1 outer round surface and described interior steel cylinder 2 internal circular surfaces form one by moulding, sulfuration process, and swallow-tail form connects has increased both coupling stiffnesses, and it is not separated in the course of the work.The spacing of described rubber ring 11 equates with the tooth pitch of supporting jack-up unit spud leg lifter rack, wide poor of the tooth pitch that the width of rubber ring 11 is jack-up unit spud leg lifter rack and tooth root; Described butterfly flexible member 5 one ends are connected with described interior steel cylinder 2 by attachment screw 4, and the other end of butterfly flexible member 5 is connected with outer steel cylinder 6 by attachment screw 4, and the installation direction of butterfly flexible member 5 should be consistent; Described outer steel cylinder 6 outer round surface and described outer rubber cylinder 7 internal circular surfaces form one by moulding, sulfuration process, and swallow-tail form connects the coupling stiffness that has increased both, and it is not separated in the course of the work.
The effect of described interior rubber cylinder 1 is: 1) interior rubber cylinder 1 is sleeved on the jack-up unit spud leg, with spud leg, forms flexible contact, in 360 ° of scopes, protects spud leg, prevents spud leg generation local plastic deformation; 2) in the course of the work in arc rubber ring 11 on plantation rubber 1 internal circular surfaces be pressed in jack-up unit spud leg lifter rack teeth groove, prevent the displacement that fender is axial; 3) absorb in ship alongside collision process and store a small part collision energy, relaxing Percussion counter-force.
The effect of described interior steel cylinder 2 is to connect described interior rubber cylinder 1 and butterfly flexible member 5.
The effect of described butterfly flexible member 5 is in the alongside collision process, by distortion vertically upward, absorbs and stores most collision energies, relaxes Percussion counter-force.
The effect of described outer steel cylinder 6 is to connect outer rubber cylinder 7 and butterfly flexible member 5.
The effect of described outer rubber cylinder 7 is: 1) with hull, form flexible contact, prevent boats and ships generation local plastic deformation; 2) in the alongside collision process, absorb and store a small part collision energy, relax Percussion counter-force.
Fender for the jack-up unit spud leg of the present invention is lifted on jack-up unit by anchor chain or wire rope connection hanger 3 and encloses the down-hole face; and be enclosed within on the jack-up unit spud leg by described interior rubber cylinder 1, spud leg all obtains the protection of this fender in 360 ° of scopes like this.When ship berthing and jack-up unit spud leg bump, hull extruding outer rubber cylinder 7, fender generation integrated moving is until interior rubber cylinder 1 contacts with spud leg, the rubber ring 11 of arc is pressed in the spud leg lifter rack.Afterwards, fender starts to bring into play buffering protection function: interior rubber tube 1 is close on spud leg and is maintained static, and forms flexible contact, prevents spud leg generation local plastic deformation, and the compressed distortion of rubber absorbs and stores a small part collision energy, relaxes Percussion counter-force; The butterfly flexible member 5 one end generation vertical displacements that described outer steel cylinder 6 is connected with it, butterfly flexible member 5 absorbs and stores most collision energies, relaxes Percussion counter-force; Radial deformation, on the one hand along with outer steel cylinder 6 moves both vertically together, occurs in outer rubber cylinder 7 on the other hand under the ship collision effect, absorbs and stores a small part collision energy, relax Percussion counter-force, in addition, and form flexible contact between boats and ships, prevent boats and ships generation local plastic deformation.
Claims (7)
1. the fender for the jack-up unit spud leg, is characterized in that, described fender is from the inside to the outside successively by interior rubber cylinder, interior steel cylinder, butterfly flexible member, outer steel cylinder, outer rubber cylinder set and be connected to form; Wherein, described interior rubber cylinder internal circular surfaces is the impartial rubber ring I that is provided with the outstanding internal circular surfaces of some circles vertically, and interior rubber cylinder outer round surface is the impartial rubber ring II that is provided with the outstanding outer round surface of some circles vertically; Described interior steel cylinder internal circular surfaces is impartial vertically is provided with the corresponding annular groove I of rubber ring that some circles are provided with described interior rubber cylinder outer round surface, and described outer steel cylinder outer round surface equalization vertically is provided with some ring groove II; Described outer rubber cylinder internal circular surfaces equalization vertically is provided with the corresponding rubber ring III of annular groove that some circles are provided with described outer steel cylinder outer round surface.
2. the fender for the jack-up unit spud leg according to claim 1, is characterized in that, the upper surface circumference equalization of described interior steel cylinder is provided with the hanger of 3 lifting use.
3. the fender for the jack-up unit spud leg according to claim 1, it is characterized in that, described butterfly flexible member connects with all adopting screw being connected of described interior steel cylinder and described outer steel cylinder, described butterfly flexible member one end is connected with described interior steel cylinder, and the other end is connected with outer steel cylinder.
4. according to the described fender for the jack-up unit spud leg of claim 1 or 3, it is characterized in that, described butterfly flexible member also has groove, and the material of butterfly flexible member is spring steel.
5. the fender for the jack-up unit spud leg according to claim 1, it is characterized in that, the cross sectional shape of described rubber ring I is arc, and the cross sectional shape of described rubber ring II and described rubber ring III is any in swallow-tail form, trapezoidal, square or rectangle.
6. the fender for the jack-up unit spud leg according to claim 1, is characterized in that, the flute profile of described annular groove I and described annular groove II is any in dovetail groove, dovetail groove, square groove or rectangular channel.
7. the fender for the jack-up unit spud leg according to claim 1, it is characterized in that, the spacing of described rubber ring I equates with the tooth pitch of lifter rack on described jack-up unit spud leg, wide poor of the tooth pitch that the width of rubber ring I is jack-up unit spud leg lifter rack and tooth root.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310319348.2A CN103422471B (en) | 2013-07-26 | 2013-07-26 | Fender used for self-elevating platform pile legs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310319348.2A CN103422471B (en) | 2013-07-26 | 2013-07-26 | Fender used for self-elevating platform pile legs |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103422471A true CN103422471A (en) | 2013-12-04 |
| CN103422471B CN103422471B (en) | 2015-06-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310319348.2A Expired - Fee Related CN103422471B (en) | 2013-07-26 | 2013-07-26 | Fender used for self-elevating platform pile legs |
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| Country | Link |
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| CN (1) | CN103422471B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2440002Y (en) * | 2000-08-21 | 2001-07-25 | 肖长友 | Anti-collosion protector for ship, boat and warship |
| US20030061977A1 (en) * | 2001-10-01 | 2003-04-03 | Metso Minerals (Trelleborg)Ab | Fender |
| CN201484638U (en) * | 2009-08-21 | 2010-05-26 | 盘锦新永成塑胶有限公司 | Foaming hollow plastic fender |
| SE0900054A1 (en) * | 2009-01-20 | 2010-07-21 | Kjell Arvid Roenning | Fender concept automatic fenders tucked into waterproof box hull side, which is turned 180 and fender comes out and hull hatch swings into box |
| CN203420256U (en) * | 2013-07-26 | 2014-02-05 | 江苏科技大学 | Fender for self-elevating platform spud leg |
-
2013
- 2013-07-26 CN CN201310319348.2A patent/CN103422471B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2440002Y (en) * | 2000-08-21 | 2001-07-25 | 肖长友 | Anti-collosion protector for ship, boat and warship |
| US20030061977A1 (en) * | 2001-10-01 | 2003-04-03 | Metso Minerals (Trelleborg)Ab | Fender |
| SE0900054A1 (en) * | 2009-01-20 | 2010-07-21 | Kjell Arvid Roenning | Fender concept automatic fenders tucked into waterproof box hull side, which is turned 180 and fender comes out and hull hatch swings into box |
| CN201484638U (en) * | 2009-08-21 | 2010-05-26 | 盘锦新永成塑胶有限公司 | Foaming hollow plastic fender |
| CN203420256U (en) * | 2013-07-26 | 2014-02-05 | 江苏科技大学 | Fender for self-elevating platform spud leg |
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| Publication number | Publication date |
|---|---|
| CN103422471B (en) | 2015-06-10 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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Granted publication date: 20150610 Termination date: 20180726 |