CN203420256U - Fender for self-elevating platform spud leg - Google Patents
Fender for self-elevating platform spud leg Download PDFInfo
- Publication number
- CN203420256U CN203420256U CN201320451482.3U CN201320451482U CN203420256U CN 203420256 U CN203420256 U CN 203420256U CN 201320451482 U CN201320451482 U CN 201320451482U CN 203420256 U CN203420256 U CN 203420256U
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- China
- Prior art keywords
- cylinder
- rubber
- spud leg
- fender
- steel cylinder
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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 utility model discloses a fender for a self-elevating platform spud leg. The fender is composed of an inner rubber cylinder, an inner steel cylinder, a butterfly elastic element, an outer steel cylinder and an outer rubber cylinder in a sleeved and connected mode, wherein the inner rubber cylinder, the inner steel cylinder, the butterfly elastic element, the outer steel cylinder and the outer rubber cylinder are sequentially arranged from inside to outside; the surface of the inner circle of the inner rubber cylinder is provided with a plurality of rubber rings I which are equally arranged in the axial direction, wherein the rubber rings I protrude out of the surface of the inner circle; the surface of the outer circle of the inner rubber cylinder is provided with a plurality of rubber rings II which are equally arranged in the axial direction, wherein the rubber rings II protrude out of the surface of the outer circle; the surface of the inner circle of the inner steel cylinder is provided with a plurality of ring grooves I which are equally arranged in the axial direction, wherein the ring grooves I correspond to the rubber rings arranged on the surface of the outer circle of the inner rubber cylinder; the surface of the outer circle of the outer steel cylinder is provided with a plurality of ring grooves II which are equally arranged in the axial direction; the surface of the inner circle of the outer rubber cylinder is provided with a plurality of rubber rings III which are equally arranged in the axial direction, wherein the rubber rings III correspond to the ring grooves formed in the surface of the outer circle of the outer steel cylinder. The fender for the self-elevating platform spud leg has the advantages of being low in rigidity and high in energy absorption, plays a good role in buffering and protecting the spud leg within a 360-degree range, and lowers impact counterforce.
Description
Technical field
The utility model 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 platform upper hull to tilt, and platform is retired.Between boats and ships and spud leg, arrange a kind of buffer protection device (as fender), can effectively avoid the collsion damage of platform.
Application number is that 200910229036.6 Chinese patent discloses and a kind ofly 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.Application number is that 20010007236 United States Patent (USP) discloses the rubber fender that a kind of cylinder, trapezoidal round platform combine, the impact energy when absorbing ship harbour.That World Intellectual Property Organization's publication number is that the patent of WO/2010/085200 discloses is motor-driven, be contained in ship side protector on hull side plate, improves hull alongside safety.
Yet jack-up unit spud leg is that a kind of cross section with lifter rack is that plate construction or the cross section of annulus is leg-of-mutton trussed construction, flexible large, require that fender rigidity as buffer protection device is little, energy-absorbing is large; Large with ship collision angle 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 cannot meet this specific (special) requirements.
Summary of the invention
The purpose of this utility model is in order to overcome prior art defect, and a kind of fender for jack-up unit spud leg is provided.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, within the scope of 360 °, spud leg is carried out to buffer protection.
In order to achieve the above object, technical solution adopted in the utility model is:
For a fender for 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 is vertically 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 vertically equalization is provided with some ring groove II; Described outer rubber cylinder internal circular surfaces vertically equalization 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.。
The flute profile of annular groove I described above and described annular groove II is 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, and the width of rubber ring I is wide poor of the tooth pitch of jack-up unit spud leg lifter rack and tooth root.
The utility model 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 butterfly flexible member, horizontal direction distortion is converted into the principle that distortion absorbs and store most collision energies vertically upward, the utlity model has the feature 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 utility model connects hanger by anchor chain or wire rope and is lifted on jack-up unit and encloses down-hole face; and be enclosed within on 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 within the scope of 360 °, to spud leg, carry out buffer protection.
Accompanying drawing explanation
Fig. 1 is contour structures top view of the present utility model;
Fig. 2 is that the A-A of 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
Below in conjunction with the drawings and specific embodiments, further describe technical solutions of the utility model.
As depicted in figs. 1 and 2, be a kind of fender for jack-up unit spud leg of the present utility model, 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 is vertically 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 vertically equalization are provided with some circle dovetail grooves 61; Described outer rubber cylinder 7 internal circular surfaces are impartial is vertically 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 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, makes it 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, and the width of rubber ring 11 is wide poor of the tooth pitch of jack-up unit spud leg lifter rack and tooth root; Described butterfly flexible member 5 one end 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, makes it 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 jack-up unit spud leg, forms flexible contact with spud leg, within the scope of 360 °, 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) in ship alongside collision process, absorb 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 alongside collision process, by distortion vertically upward, is absorbed and is stored 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) form flexible contact with hull, prevent boats and ships generation local plastic deformation; 2) in alongside collision process, absorb and store a small part collision energy, relax Percussion counter-force.
Fender for jack-up unit spud leg of the present utility model is lifted on jack-up unit by anchor chain or wire rope connection hanger 3 and encloses down-hole face; and be enclosed within on jack-up unit spud leg by described interior rubber cylinder 1, spud leg all obtains the protection of this fender within the scope of 360 ° 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 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; There is vertical displacement in butterfly flexible member 5 one end that described outer steel cylinder 6 is connected with it, butterfly flexible member 5 absorbs and stores most collision energies, relaxes Percussion counter-force; On the one hand along with outer steel cylinder 6 moves both vertically together, there is radial deformation on the other hand in outer rubber cylinder 7, absorb and store a small part collision energy under ship collision effect, relax Percussion counter-force, in addition, and between boats and ships, form flexible contact, prevent boats and ships generation local plastic deformation.
Claims (7)
1. for a fender for jack-up unit spud leg, it 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 is vertically 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 vertically equalization is provided with some ring groove II; Described outer rubber cylinder internal circular surfaces vertically equalization 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 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 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 fender for jack-up unit spud leg described in 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 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 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 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, and the width of rubber ring I is wide poor of the tooth pitch of jack-up unit spud leg lifter rack and tooth root.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320451482.3U CN203420256U (en) | 2013-07-26 | 2013-07-26 | Fender for self-elevating platform spud leg |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320451482.3U CN203420256U (en) | 2013-07-26 | 2013-07-26 | Fender for self-elevating platform spud leg |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203420256U true CN203420256U (en) | 2014-02-05 |
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ID=50019356
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320451482.3U Withdrawn - After Issue CN203420256U (en) | 2013-07-26 | 2013-07-26 | Fender for self-elevating platform spud leg |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203420256U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103422471A (en) * | 2013-07-26 | 2013-12-04 | 江苏科技大学 | Fender used for self-elevating platform pile legs |
| CN106149595A (en) * | 2016-08-23 | 2016-11-23 | 中国电建集团贵阳勘测设计研究院有限公司 | Improvement method and device of crash pad |
-
2013
- 2013-07-26 CN CN201320451482.3U patent/CN203420256U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103422471A (en) * | 2013-07-26 | 2013-12-04 | 江苏科技大学 | Fender used for self-elevating platform pile legs |
| CN106149595A (en) * | 2016-08-23 | 2016-11-23 | 中国电建集团贵阳勘测设计研究院有限公司 | Improvement method and device of crash pad |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140205 Effective date of abandoning: 20150610 |
|
| RGAV | Abandon patent right to avoid regrant |