CN203846473U - Device for replacing semicircular plate of jack-up platform truss pile leg - Google Patents
Device for replacing semicircular plate of jack-up platform truss pile leg Download PDFInfo
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- CN203846473U CN203846473U CN201420258924.7U CN201420258924U CN203846473U CN 203846473 U CN203846473 U CN 203846473U CN 201420258924 U CN201420258924 U CN 201420258924U CN 203846473 U CN203846473 U CN 203846473U
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- jack
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- bending resistance
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Abstract
The utility model discloses a device for replacing a semicircular plate of a jack-up platform truss pile leg. The device comprises a set of upper sheath assemblies and a set of lower sheath assemblies. The back portions of the outer sheaths of the sheath assemblies are fixedly provided with supporting base sets 3, and a supporting steel tube assembly 4 and a vertical jack 5 are arranged between the upper supporting base set 3 and the lower supporting base set 3. Moreover, a tooth-shaped complementary plate 8 is arranged in a mode of matching with the side of a pile leg main string tube 9 in a tooth-shaped mode, and the tooth-shaped complementary plate 8 is fixed through a bolt 21. Anti-bending back plates are fixedly arranged on the two sides of the tooth-shaped complementary plate 8 which is arranged between the upper supporting base set 3 and the lower supporting base set 3 in a welded mode. The utility model further provides a method for replacing the semicircular plate of the jack-up platform truss pile leg when the semicircular plate is damaged, the construction period can be greatly shortened, the lifting work times and construction amount are reduced, and the safety work coefficient is increased, so that the semicircular plate can be replaced conveniently, safely and reliably, the construction period can be effectively shortened, and construction cost is reduced on the basis of guaranteeing construction safety and quality.
Description
Technical field
The present invention relates to the maintenance of truss leg in ocean engineering platform, more particularly, relate to the replacing of spud leg semi-circular plate.
Background technology
Jack-up unit is mainly used in the field such as shallow sea oil-gas exploration and development, coastal ocean engineering development, is the main equipment of current ocean engineering exploitation.In the time of platform operation, spud leg supports main platform body, is the key structure of platform.The form of structure of spud leg mostly is English truss formula at present, and at three angles, place is provided with the main chord tube that comprises rack-plate and semi-circular plate, is connected to overall structure therebetween by various stay tubes.
Jack-up unit in use inevitably can cause the situations such as spud leg damage, distortion because of reasons such as operation, bad weathers, in order to ensure spud leg intensity, need to change and damage or distressed structure in time.The method of prior art, from damaging or up whole spud leg complete resection of crushed element, installs according to rebuilding method after again making spud leg segmentation, and the method, except cost is very high, more needs the construction period grown very much, very large on the use impact of platform.
Summary of the invention
The present invention aims to provide a kind of semi-circular plate and changes frock, be mainly used in when jack-up unit truss leg semi-circular plate damages or is out of shape can facilitating, changing safely and reliably, ensureing, on the basis of construction safety and quality, can effectively to shorten construction period, reduce construction cost.
In order to achieve the above object, the invention provides more exchange device of a kind of jack-up unit truss leg semi-circular plate, comprise upper and lower two groups of jacket assemblies, described in every group, jacket assembly comprises the inner side sheath and the lateral sheathed that after docking, are socketed on spud leg main chord tube outside, are connected and fixed by bolt; Described lateral sheathed back is fixed with supporting seat, between the described supporting seat of upper and lower two groups, is provided with supporting steel pipe assembly and upright jack.Wherein, the described supporting seat of below is fixed in the bottom of described upright jack, top braces the bottom of described supporting steel pipe assembly, described supporting steel pipe assembly comprises the steel pipe of upper and lower two screw threads socket, and the top steel pipe top of described supporting steel pipe assembly has connected the described supporting seat that is positioned at top.In addition, in the mode coordinating with two topside rack-plate profiles of tooth of spud leg main chord tube, profile of tooth complementary panels is set, described profile of tooth complementary panels is fixed by described bolt; Be welded with bending resistance backboard in the described profile of tooth complementary panels both sides between supporting seat described in upper and lower two groups.
Under optimal way, for reinforced fixed structure, the described profile of tooth complementary panels outer face of both sides adds clamping plate; Between two described clamping plate, be positioned at spud leg main chord tube outside by levelling peg cover anchoring.The structure of levelling peg cover is connected by thread bush in the middle of two screwed pipes, and along with the rotation of thread bush, both sides screwed pipe is closing the distance or space out dorsad simultaneously.And the outer end of two screwed pipes is respectively used to connecting cleat.
The bending resistance backboard the present invention relates to can add as the case may be, and its object is for strengthening the structure of spud leg main chord tube rack-plate and profile of tooth complementary panels.The invention provides a kind of optimal way, can effectively strengthen the fixing of structure, specifically, bending resistance backboard comprises the described profile of tooth complementary panels that lays respectively at after cooperation and the first bending resistance backboard and the 3rd bending resistance backboard of main chord tube rack-plate both sides.Under optimum way, the width of described profile of tooth complementary panels is greater than the width of described main chord tube rack-plate, and set-up mode is: be positioned at profile of tooth complementary panels and described main chord tube rack-plate side described in described the first bending resistance backboard one side and flush; Be positioned at described the 3rd bending resistance backboard one side, just each profile of tooth place support top of described main chord tube rack-plate had to spaced the second bending resistance backboard; Described the second bending resistance backboard is fixedly welded on described the 3rd bending resistance backboard.
The lateral sheathed supporting seat frock that the present invention is bolted and inner side sheath frock, the construction that affects spud leg original structure such as can avoid welding on spud leg; Provide support supporting steel pipe and the upright jack of power and pretightning force, while ensureing semi-circular plate replacing, spud leg is stressed keeps in balance; Profile of tooth complementary panels and the bending resistance backboard of flexural strength and welding deformation binding force can be provided for spud leg, guarantee spud leg flexural strength and avoid welding deformation; Can regulate pretightning force by upright jack, thereby control spud leg distortion.In addition; above-mentioned profile of tooth complementary panels and bending resistance backboard, in the original spud leg rack-plate of protection, for spud leg rack-plate provides flexural strength and welding deformation binding force; in repairing, there is uncontrollable distortion thereby can effectively control spud leg rack-plate, guarantee repairing quality.
According to the description of above-mentioned frock, the present invention also provides a kind of method of utilizing above-mentioned more exchange device to change for jack-up unit truss leg semi-circular plate, comprise the steps,
S1, be positioned at the upper and lower both sides of the semi-circular plate being replaced and be fixed on spud leg main chord tube 9 outsides by jacket assembly respectively, and profile of tooth complementary panels and bending resistance backboard are installed;
The steel pipe of S2, two screw threads sockets of adjustment supporting steel pipe assembly, makes supporting steel pipe assembly bottom touch upright jack;
S3, by regulating upright jack to start pretightning force, regulate spud leg stress,
S4, replacing semi-circular plate.In step S4, need to regulate upright jack according to spud leg deformation state, control spud leg deformation, thereby realize the replacing construction of spud leg semi-circular plate.
S5, remove the miscellaneous part except original main chord tube and the semi-circular plate that is replaced.
In jack-up unit, spud leg is most critical structure, should be not affect original pile leg structure as basic principle in any construction, must not comprise on spud leg welding, must not destroy original structure etc.The frock pedestal that utilizes bolted lateral sheathed supporting seat frock and inner side sheath frock to form by the present invention, can protect original pile leg structure effectively.Utilize frock pedestal of the present invention, supporting steel pipe, upright jack and profile of tooth complementary panels and bending resistance backboard etc. can be installed easily, thus ensure semi-circular plate change time stressed the keeping in balance of spud leg and not recurring structure destroy or distortion.Jack-up unit truss leg semi-circular plate replacing frock of the present invention particularly adopts the jack-up unit of truss framed leg for ocean engineering product, in the time that the situations such as spud leg semi-circular plate is in use damaged, distortion need to be changed, adopt this frock ensureing, on the basis of construction safety and quality, can effectively to shorten construction period.Whole structure of the present invention: when the deformed damaged such as jack-up unit spud leg semi-circular plate need to be changed, common way is whole spud legs that top, region is changed in interim excision, then changes deformed damaged region, then the top spud leg of interim excision is installed.The drawbacks such as this way exists the construction period to grow, lifting operation is many, great in constructing amount.By application of the present invention, cancel the interim excision work of top spud leg, can greatly shorten the construction period, reduce lifting operation number of times and construction volume, improve safety work coefficient.
Brief description of the drawings
Fig. 1 is the more view of exchange device in jack-up unit truss leg semi-circular plate replacing construction of semi-circular plate of the present invention.
Fig. 2 be in Fig. 1 A-A to projection structure schematic diagram.
Fig. 3 be in Fig. 1 B-B to projection structure schematic diagram.
Fig. 4 is the side-looking structural representation of profile of tooth complementary panels.
Fig. 5 is the structural representation of the complementary panels of profile of tooth shown in Fig. 4 opposite side projection.
Fig. 6 is the structure schematic top plan view that profile of tooth complementary panels and spud leg main chord tube topside rack-plate profile of tooth coordinate and add bending resistance backboard.
Fig. 7 is the side-looking structural representation of structure shown in Fig. 6.
Fig. 8 is the structural representation that both sides profile of tooth complementary panels adds clamping tool.
In figure, inner side sheath frock 1; Lateral sheathed supporting seat frock 3; Supporting steel pipe assembly 4; Upright jack 5; Need the semi-circular plate 6 of changing; Bending resistance backboard 7; Profile of tooth complementary panels 8; Spud leg main chord tube 9; Connecting bolt 21.
Detailed description of the invention
Tooling device when jack-up unit spud leg semi-circular plate of the present invention is changed frock for the replacing of jack-up unit spud leg semi-circular plate, be included in lateral sheathed supporting seat frock and inner side sheath frock are set on jack-up unit spud leg, lateral sheathed supporting seat frock and inner side sheath frock are connected to entirety by bolt 21, thereby form the frock pedestal that does not affect original pile leg structure on spud leg.Frock pedestal is changed upper and lower two ends, region at semi-circular plate and is installed, and then between upper and lower, supporting steel pipe and upright jack is set, for supporting spud leg main chord tube and pretightning force being provided.Meanwhile, by described frock pedestal, profile of tooth complementary panels and bending resistance backboard are installed on spud leg main chord tube.
Concrete structure is as Fig. 1, shown in Fig. 2 and Fig. 3, frock of the present invention is on jack-up unit truss leg main chord tube 9, and Shang Xia 6 two ends to change semi-circular plate, lateral sheathed supporting seat frock 3 and inner side sheath frock 1 are installed, connect into frock pedestal by connecting bolt 21.Then based on this, supporting steel pipe 4 and upright jack 5 are installed, and profile of tooth complementary panels 8 and bending resistance backboard 7 are installed.
Fig. 4 and Fig. 5 show the structure of profile of tooth complementary panels 8, and under optimal way, the width of profile of tooth complementary panels 8 is greater than the width of described main chord tube rack-plate 91, specifically as shown in Fig. 3 and Fig. 6～8.Under this mode, as shown in Figures 6 and 7, the preferred arrangement of bending resistance backboard 7 is: be positioned at profile of tooth complementary panels 8 and main chord tube rack-plate 91 both sides the first bending resistance backboard 71 and the 3rd bending resistance backboard 73 respectively after cooperation.In figure, be positioned at profile of tooth complementary panels 8 and described main chord tube rack-plate 91 sides described in described the first bending resistance backboard 71 1 sides and flush; And be positioned at described the 3rd bending resistance backboard 73 1 sides, just described main chord tube rack-plate 91 each profile of tooth place support top are being had to spaced polylith the second bending resistance backboard 72; Each piece second bending resistance backboard 72 is fixedly welded on the 3rd bending resistance backboard 73.
In addition,, in order further to strengthen structural strength, as shown in Figure 8, described profile of tooth complementary panels 8 outer faces of both sides add clamping plate 52; Between two described clamping plate 52, be positioned at spud leg main chord tube 9 outsides and overlap 51 anchorings by levelling peg.The structure of levelling peg cover is: in the middle of two screwed pipes, connected by thread bush, along with the rotation of thread bush, both sides screwed pipe is closing the distance or space out dorsad simultaneously.And the outer end of two screwed pipes is respectively used to connecting cleat.
Before semi-circular plate is changed construction, above-mentioned frock is all in place, then, by regulating upright jack to start pretightning force, regulate spud leg stress, change construction thereby start semi-circular plate.In construction, regulate upright jack according to spud leg deformation state, control spud leg deformation, thereby realize the replacing construction of spud leg semi-circular plate.
Semi-circular plate of the present invention is changed frock, by supporting steel pipe and upright jack are installed, provides support power and pretightning force for changing semi-circular plate region spud leg main chord tube; By profile of tooth complementary panels and bending resistance backboard are installed, for spud leg rack-plate provides flexural strength and welding deformation binding force, thereby can effectively provide semi-circular plate to change for spud leg time, required support force, flexural strength, pretightning force and welding deformation binding force, facilitate and realize safely and reliably spud leg semi-circular plate and change engineering.
The above; it is only preferably detailed description of the invention of the present invention; but protection scope of the present invention is not limited to this; any be familiar with those skilled in the art the present invention disclose technical scope in; be equal to replacement or changed according to technical scheme of the present invention and inventive concept thereof, within all should being encompassed in protection scope of the present invention.
Claims (4)
1. more exchange device of a jack-up unit truss leg semi-circular plate, it is characterized in that, comprise upper and lower two groups of jacket assemblies, described in every group, jacket assembly comprises the inner side sheath (1) and the lateral sheathed that after docking, are socketed on spud leg main chord tube (9) outside, are connected and fixed by bolt (21); Described lateral sheathed back is fixed with supporting seat (3), is provided with supporting steel pipe assembly (4) and upright jack (5) between the described supporting seat (3) of upper and lower two groups;
Wherein, the described supporting seat (3) of below is fixed in the bottom of described upright jack (5), top braces the bottom of described supporting steel pipe assembly (4), described supporting steel pipe assembly (4) comprises the steel pipe of upper and lower two screw threads socket, and the top steel pipe top of described supporting steel pipe assembly (4) has connected the described supporting seat (3) that is positioned at top;
In addition, in the mode coordinating with (9) two topside rack-plate profiles of tooth of spud leg main chord tube, profile of tooth complementary panels (8) is set, described profile of tooth complementary panels (8) is fixing by described bolt (21); Be positioned at described profile of tooth complementary panels (8) both sides between supporting seat (3) described in upper and lower two groups and be welded with bending resistance backboard (7).
2. more exchange device of jack-up unit truss leg semi-circular plate according to claim 1, is characterized in that, described profile of tooth complementary panels (8) outer face of both sides adds clamping plate (52); Between two described clamping plate (52), be positioned at spud leg main chord tube (9) outside by levelling peg cover (51) anchoring.
3. according to more exchange device of jack-up unit truss leg semi-circular plate described in claim 1 or 2, it is characterized in that, described bending resistance backboard (7) comprises the described profile of tooth complementary panels (8) that lays respectively at after cooperation and the first bending resistance backboard (71) and the 3rd bending resistance backboard (73) of main chord tube rack-plate (91) both sides.
4. more exchange device of jack-up unit truss leg semi-circular plate according to claim 3, is characterized in that, the width of described profile of tooth complementary panels (8) is greater than the width of described main chord tube rack-plate (91);
Wherein, being positioned at profile of tooth complementary panels (8) and described main chord tube rack-plate (91) side described in described the first bending resistance backboard (71) one sides flushes;
Be positioned at described the 3rd bending resistance backboard (73) one sides, just each profile of tooth place support top of described main chord tube rack-plate (91) had to spaced the second bending resistance backboard (72); Described the second bending resistance backboard (72) is fixedly welded on described the 3rd bending resistance backboard (73).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420258924.7U CN203846473U (en) | 2014-05-20 | 2014-05-20 | Device for replacing semicircular plate of jack-up platform truss pile leg |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420258924.7U CN203846473U (en) | 2014-05-20 | 2014-05-20 | Device for replacing semicircular plate of jack-up platform truss pile leg |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203846473U true CN203846473U (en) | 2014-09-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420258924.7U Withdrawn - After Issue CN203846473U (en) | 2014-05-20 | 2014-05-20 | Device for replacing semicircular plate of jack-up platform truss pile leg |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203846473U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104005392A (en) * | 2014-05-20 | 2014-08-27 | 大连船舶重工集团海洋工程有限公司 | Replacing device of self-elevating type platform truss spud leg semicircular plate and replacing method thereof |
-
2014
- 2014-05-20 CN CN201420258924.7U patent/CN203846473U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104005392A (en) * | 2014-05-20 | 2014-08-27 | 大连船舶重工集团海洋工程有限公司 | Replacing device of self-elevating type platform truss spud leg semicircular plate and replacing method thereof |
| CN104005392B (en) * | 2014-05-20 | 2016-04-06 | 大连船舶重工集团海洋工程有限公司 | Jack-up unit truss leg semi-circular plate more exchange device and replacing options thereof |
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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: 20140924 Effective date of abandoning: 20160406 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |