CN104943819A - Cantilever beam double-section type construction method - Google Patents
Cantilever beam double-section type construction method Download PDFInfo
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- CN104943819A CN104943819A CN201410114729.1A CN201410114729A CN104943819A CN 104943819 A CN104943819 A CN 104943819A CN 201410114729 A CN201410114729 A CN 201410114729A CN 104943819 A CN104943819 A CN 104943819A
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Abstract
The invention discloses a cantilever beam double-section type construction method. A cantilever beam comprises a head block and a tail block. The method comprises the steps that 1, a pair of clamping groove supports are positioned onto a main ship body, and two pairs of guide supports are positioned on the main ship body and fixedly connected with the main ship body; 2, a first slipping base located at the bottom of the head block is arranged into a clamping groove of one clamping groove support seat in a sleeved mode and limited to a set position; 3, the head block with the clamping groove supports is hoisted onto the main ship body to enable the clamping groove supports to be embedded into pre-set positions, and meanwhile the first slipping base is arranged into one guide support in a sleeved mode; 4, a bearing plate member and a slide rail plate member are installed into the clamping groove; 5, the tail block is installed. By means of the cantilever beam double-section type construction method, the installation sequence in the prior art is changed, the cantilever beam can be constructed in a carrying mode by the use of conventional hoisting and transporting equipment under the condition of the dock width being 76 m, the precision is high, the cost is low, and the construction duration is short.
Description
Technical field
The present invention relates to a kind of cantilever beam two sectional type method of construction.
Background technology
At present, there are two kinds of cantilever beam methods of construction at home and abroad, one is monolithic construction method, and one is three sections of construction methods.No matter be monolithic construction method or three sections of construction methods, cantilever beam all will pass two draw-in groove supporting seats and four guide support seats when lifting, and this is higher to lifting requirements, and has certain risk, easily damages chute board.
The drawback of these two kinds of cantilever beam methods of construction existing is:
One, in order to make draw-in groove supporting seat and guide support seat install on a cantilever beam, after monolithic construction method can only wait until that main body fitting-out completes and plunges into the commercial sea, the cantilever beam complete cross section of whole section is transported on main body by recycling Over-size transport equipment and crane barge.But these Over-size transport equipment of lifting and crane barge need a very large laid down cost; And by the time main body fitting-out refills cantilever beam after completing and plunging into the commercial sea, and makes whole shipbuilding period extend, and the rent of dock every day is very high, and the turnover Occupation coefficient of dock is very low, turn increases a large number of laid down cost.
Two, three sections of construction methods are because weld twice slideway seam after needing tread flaking, and its precision controlling cost is high; Hatch battening arrangement simultaneously in this protocols call cantilever beam can only lift on main body, and make whole shipbuilding period longer relative to monolithic construction method, the turnover Occupation coefficient of dock is lower; Three sections of construction methods occupy limited deck resource simultaneously, are unfavorable for producing.
Therefore, the equipment investment cost of these two kinds of cantilever beam methods of construction existing is high, productive costs is high, production efficiency is low, and technological difficulty is large, easily damages chute board.
Summary of the invention
Technical matters to be solved by this invention is that the cantilever beam method of construction in order to overcome prior art cannot utilize conventional lifting and transportation device to realize the defect of cantilever beam lift-launch construction under 76 meters of general at present wide conditions in depressed place, provides a kind of cantilever beam two sectional type method of construction.
The present invention solves above-mentioned technical matters by following technical proposals:
A kind of cantilever beam two sectional type method of construction, its feature is, one cantilever beam comprises a stem complete cross section and an afterbody complete cross section, the bottom of described stem complete cross section is provided with one first slipping base, the bottom of described afterbody complete cross section is provided with one second slipping base, and described cantilever beam two sectional type method of construction comprises the following steps:
S
1, a pair draw-in groove bearing is located on a main body, and be a predeterminated position by the location position of described draw-in groove bearing on described main body, then remove described draw-in groove bearing; Locate the two pairs of positions of guide type shoe on described main body, and described guide type shoe is fixedly connected on described main body;
S
2, described first slipping base is inserted in in a draw-in groove of described draw-in groove bearing, and make described draw-in groove bearing spacing in described first slipping base;
S
3, by with in the described stem complete cross section lifting to described main body of described draw-in groove bearing, make described draw-in groove bearing embed described predeterminated position, make described first slipping base be inserted in described guide type shoe simultaneously;
S
4, described draw-in groove bearing is welded with described main body, then a bearing plate component and a chute board component are loaded in described draw-in groove, calibration positioning precision;
S
5, by the lifting to described main body of described afterbody complete cross section, after calibrating the positioning precision of described afterbody complete cross section and described stem complete cross section and described main body, by described stem complete cross section and described afterbody complete cross section integrally welded, and make described first slipping base and described second slipping base point-blank.
Preferably, described first slipping base and described second slipping base comprise some bearings being installed on the bottom of described cantilever beam, and the face that the top of described bearing forms forms a reference plane, for locating the position of described draw-in groove bearing and described guide type shoe.
Preferably, step S
1comprise the steps:
S
11, described draw-in groove bearing is prefabricated complete after, described bearing plate component and described chute board component are placed in described draw-in groove, measure and mark described bearing plate component and the position of described chute board component in described draw-in groove is a component calibration position, then taking out described bearing plate component and described chute board component;
S
12, described draw-in groove bearing is lifted on described main body, described draw-in groove bearing also with sample punch mark good described predeterminated position, is left under order by the position surplus of the good described draw-in groove bearing of mowing on described main body;
S
13, described guide type shoe is lifted on described main body, weld with described main body after having good positioning.
Preferably, step S
2comprise the steps:
S
21, the most of moulding bed removed under described stem complete cross section and described afterbody complete cross section, only retain a small amount of moulding bed at each complete cross section two ends as temporary support, then utilize three-dimensional adjustment instrument to remove after described afterbody complete cross section jack-up;
S
22, utilize crane that described draw-in groove bearing normal state is placed on the tail end of described stem complete cross section, do temporary fixed support with horse plate, make the bottom of described draw-in groove bearing far from ground certain altitude;
S
23, utilize and be arranged in two groups of unit heads under two curb girders of described stem complete cross section by described stem complete cross section jack-up and move to and the clamping of described draw-in groove bearing.
Preferably, step S
3comprise the steps:
S
31, the described stem complete cross section with described draw-in groove bearing is lifted into the top of the described main body being positioned at a dock, and the center shaft adjusting described stem complete cross section overlaps with the line of centers of described main body;
S
32, make described draw-in groove bearing aim at described predeterminated position on described main body, then described stem complete cross section is placed on described main body, and utilizes at least one pair of the temporary support seat be placed between described stem complete cross section and described main body to come load-bearing and location;
S
33, utilize oil pump to adjust the position of described stem complete cross section, the center shaft of described stem complete cross section is overlapped completely with the line of centers of described main body.
Preferably, step S
4further comprising the steps of:
S
41, adjust described draw-in groove bearing to described predeterminated position, then described draw-in groove bearing and described main body are welded and fixed;
S
42, utilize stem complete cross section described in described oil pump jack-up, raise 30mm, add another and described temporary support seat is withstood;
S
43, described bearing plate component and described chute board component put into and be positioned to described component calibration position, checking precision also welds;
S
44, again use stem complete cross section described in oil pump jack-up, described stem complete cross section is put down.
Preferably, step S
5comprise the following steps:
S
51, described afterbody complete cross section is hung on described main body, with afterbody complete cross section described in the oil pump jack-up of 4 250 tons after putting in place;
S
52, utilize steel rope to regulate the integrated straight dimension of described stem complete cross section and described afterbody complete cross section, and emphasis described first slipping base of adjustment and the integrated straight dimension of described second slipping base;
S
53, utilize the integral level degree of stem complete cross section described in total station survey and described afterbody complete cross section, according to result of a measurement adjustment, until reach designing requirement;
S
54, complete described stem complete cross section and weld with the whip stitch of described afterbody complete cross section.
Preferably, step S
3with step S
5gauntry crane is utilized to realize.
Preferably, described bearing is ball bearing of main shaft or needle bearing.
Preferably, step S
5also be provided with following steps afterwards:
S
6, install pull plate.
In the present invention, above-mentioned optimum condition can combination in any on the basis meeting this area general knowledge, obtains each preferred embodiment of the present invention.
Positive progressive effect of the present invention is: cantilever beam two sectional type method of construction of the present invention breaches the thinking of existing cantilever beam method of construction, change the sequence of erection of draw-in groove supporting seat on main body and cantilever beam complete cross section, thus achieve under 76 meters of wide conditions in depressed place, to utilize conventional lifting and transportation device just can carry construction cantilever beam, and ensure monolithic construction precision, guarantee that fitting-out is complete, greatly reduce laid down cost, shorten production cycle.
Accompanying drawing explanation
Fig. 1 is the schematic layout pattern that in one embodiment of the invention, cantilever beam is built on construct platform.
Fig. 2 is schematic top plan view when stem complete cross section is not separated with afterbody complete cross section in one embodiment of the invention.
Fig. 3 is schematic front view when stem complete cross section is not separated with afterbody complete cross section in one embodiment of the invention.
Fig. 4 is that in one embodiment of the invention, draw-in groove bearing is about to be inserted in the schematic front view in stem complete cross section.
Fig. 5 is that in one embodiment of the invention, draw-in groove bearing has been enclosed within the schematic top plan view on stem complete cross section.
Fig. 6 is that in one embodiment of the invention, draw-in groove bearing has been enclosed within the local structure schematic diagram on stem complete cross section.
Fig. 7 is transfer path schematic diagram when stem complete cross section is transferred to dock from construct platform in one embodiment of the invention.
Fig. 8 is that in one embodiment of the invention, stem complete cross section lifts to the schematic diagram on the main body being positioned at dock.
Fig. 9 is that in one embodiment of the invention, afterbody complete cross section lifts to the schematic diagram on the main body being positioned at dock.
Figure 10 is the diagram of circuit of cantilever beam two sectional type method of construction of the present invention.
Detailed description of the invention
Enumerate preferred embodiment below, and come by reference to the accompanying drawings clearlyer intactly the present invention to be described.
As shown in Fig. 1 and Figure 10, cantilever beam 2 is included in stem complete cross section 21 and an afterbody complete cross section 22 constructed in advance on a processing platform 1.The both sides of the bottom of stem complete cross section 21 are provided with one first slipping base 210, and the both sides of the bottom of afterbody complete cross section 22 are provided with one second slipping base.First slipping base 210 and described second slipping base be series installation in the ball bearing of main shaft of the bottom of cantilever beam 2, in addition, can also be the bearing of other type.The face that the top of described ball bearing of main shaft forms forms a reference plane, for the position of locating groove bearing 8 and guide type shoe 9.The top of processing platform 1 is provided with gauntry crane 3, so that operation.For raising the efficiency, a processing platform 1 can build two cantilever beams 2 simultaneously.
A kind of cantilever beam two sectional type method of construction, it comprises the following steps:
Step 1, a pair (namely two) draw-in groove bearing 8 to be located on a main body 10, and be a predeterminated position by the location position of draw-in groove bearing 8 on main body 10, but draw-in groove bearing 8 is not welded with main body 10; Guide type shoe 9 to the position of (namely four) guide type shoe 9 on main body 10, and is welded on main body 10 by location two; Draw-in groove bearing 8 is provided with a draw-in groove 80, for limiting up-and-down movement in draw-in groove 80 of the first slipping base 210 and described second slipping base and side-to-side movement; Guide type shoe 9 is provided with a groove, for limiting the first slipping base 210 and the side-to-side movement of described second slipping base in described groove;
Step 2, the first slipping base 210 is inserted in in draw-in groove 80, and makes draw-in groove bearing 8 spacing in the first slipping base 210;
Step 3, the stem complete cross section 21 with draw-in groove bearing 8 to be lifted on main body 10, make draw-in groove bearing 8 embed described predeterminated position, make the first slipping base 210 be inserted in guide type shoe 9 simultaneously;
Step 4, draw-in groove bearing 8 to be welded with main body 10, then by a bearing plate component and a chute board Components installation in draw-in groove 80, calibration positioning precision;
Step 5, afterbody complete cross section 22 is lifted on main body 10, after the positioning precision of calibration afterbody complete cross section 22 and stem complete cross section 21 and main body 10, by integrally welded to stem complete cross section 21 and afterbody complete cross section 22, and guarantee the first slipping base 210 and described second slipping base point-blank.
Specifically, step 1 also comprises the steps:
Draw-in groove bearing 8 is prefabricated complete after, described bearing plate component and described chute board component are placed in draw-in groove 80, measure and mark described bearing plate component and the position of described chute board component in draw-in groove 80 is a component calibration position, then taking out described bearing plate component and described chute board component;
Then, be lifted into by draw-in groove bearing 8 on main body 10, draw-in groove bearing 8 also with predeterminated position described in sample punch mark, is then left under order by the position surplus of the good draw-in groove bearing 8 of mowing on main body 10;
Then, guide type shoe 9 is lifted on main body 10, welds with main body 10 after having good positioning.
Specifically, step 2 comprises the steps:
Remove the most of moulding bed under stem complete cross section 21 and afterbody complete cross section 22, only retain a small amount of moulding bed 4 at each complete cross section two ends as temporary support, then utilize three-dimensional adjustment instrument 6 to remove after afterbody complete cross section 22 jack-up;
Then, utilize crane that draw-in groove bearing 8 normal state is placed on the tail end of stem complete cross section 21, do temporary fixed support with horse plate, make the bottom of draw-in groove bearing 8 be 1855mm far from the height on ground;
Then, utilize and be arranged in two groups of unit heads 5 under two curb girders of stem complete cross section 21 by stem complete cross section 21 jack-up and move to and draw-in groove bearing 8 clamping.
Specifically, step 3 comprises the following steps:
Above the main body 10 utilizing gauntry crane 3 to be lifted into by the stem complete cross section 21 with draw-in groove bearing 8 to be positioned at dock 7, and the center shaft adjusting stem complete cross section 21 overlaps with the line of centers of main body 10;
Then, make draw-in groove bearing 8 aim at described predeterminated position on main body 10, then stem complete cross section 21 is slowly placed on main body 10, and utilize at least one pair of the temporary support seat 12 be placed between stem complete cross section 21 and main body 10 to come load-bearing and location;
Then, utilize oil pump to finely tune the position of stem complete cross section 21, the center shaft of stem complete cross section 21 is overlapped completely with the line of centers of main body 10.
Specifically, step 4 comprises the following steps:
Draw-in groove bearing 8 and main body 10, to described predeterminated position, are then welded and fixed by adjustment draw-in groove bearing 8;
Then, utilize described oil pump jack-up stem complete cross section 21, raise 30mm, add another and temporary support seat 12 is withstood;
Then, put into described component calibration position by described bearing plate component and described chute board component, checking precision also welds;
Then, again use oil pump jack-up stem complete cross section 21, stem complete cross section 21 is put down.
Specifically, step 5 comprises the following steps:
Afterbody complete cross section 22 is hung on main body 10, with the oil pump jack-up afterbody complete cross section 22 of 4 250 tons after putting in place;
Then, utilize steel rope 11 to regulate the integrated straight dimension of stem complete cross section 21 and afterbody complete cross section 22, and emphasis adjust the integrated straight dimension of the first slipping base 210 and described second slipping base;
Then, utilize total station survey stem complete cross section 21 and the integral level degree of afterbody complete cross section 22, adjust stem complete cross section 21 and afterbody complete cross section 22, until reach designing requirement according to result of a measurement;
Then, complete stem complete cross section 21 to weld with the whip stitch of afterbody complete cross section 22.
Specifically, also following steps are provided with after step 5:
Step 6, installation pull plate.Because if first install according to a conventional method and pull plate, the installation of stem complete cross section 21 can be hindered.
Although the foregoing describe the specific embodiment of the present invention, it will be understood by those of skill in the art that these are only casehistorys, protection scope of the present invention is defined by the appended claims.Those skilled in the art, under the prerequisite not deviating from principle of the present invention and essence, can make various changes or modifications to these embodiments, but these change and amendment all falls into protection scope of the present invention.
Claims (10)
1. a cantilever beam two sectional type method of construction, it is characterized in that, one cantilever beam comprises a stem complete cross section and an afterbody complete cross section, the bottom of described stem complete cross section is provided with one first slipping base, the bottom of described afterbody complete cross section is provided with one second slipping base, and described cantilever beam two sectional type method of construction comprises the following steps:
S
1, a pair draw-in groove bearing is located on a main body, and be a predeterminated position by the location position of described draw-in groove bearing on described main body, then remove described draw-in groove bearing; Locate the two pairs of positions of guide type shoe on described main body, and described guide type shoe is fixedly connected on described main body;
S
2, described first slipping base is inserted in in a draw-in groove of described draw-in groove bearing, and make described draw-in groove bearing spacing in described first slipping base;
S
3, by with in the described stem complete cross section lifting to described main body of described draw-in groove bearing, make described draw-in groove bearing embed described predeterminated position, make described first slipping base be inserted in described guide type shoe simultaneously;
S
4, described draw-in groove bearing is welded with described main body, then a bearing plate component and a chute board component are loaded in described draw-in groove, calibration positioning precision;
S
5, by the lifting to described main body of described afterbody complete cross section, after calibrating the positioning precision of described afterbody complete cross section and described stem complete cross section and described main body, by described stem complete cross section and described afterbody complete cross section integrally welded, and make described first slipping base and described second slipping base point-blank.
2. cantilever beam two sectional type method of construction as claimed in claim 1, it is characterized in that, described first slipping base and described second slipping base comprise some bearings being installed on the bottom of described cantilever beam, the face that the top of described bearing forms forms a reference plane, for locating the position of described draw-in groove bearing and described guide type shoe.
3. cantilever beam two sectional type method of construction as claimed in claim 1, is characterized in that, step S
1comprise the steps:
S
11, described draw-in groove bearing is prefabricated complete after, described bearing plate component and described chute board component are placed in described draw-in groove, measure and mark described bearing plate component and the position of described chute board component in described draw-in groove is a component calibration position, then taking out described bearing plate component and described chute board component;
S
12, described draw-in groove bearing is lifted on described main body, described draw-in groove bearing also with sample punch mark good described predeterminated position, is left under order by the position surplus of the good described draw-in groove bearing of mowing on described main body;
S
13, described guide type shoe is lifted on described main body, weld with described main body after having good positioning.
4. cantilever beam two sectional type method of construction as claimed in claim 3, is characterized in that, step S
2comprise the steps:
S
21, the most of moulding bed removed under described stem complete cross section and described afterbody complete cross section, only retain a small amount of moulding bed at each complete cross section two ends as temporary support, then utilize three-dimensional adjustment instrument to remove after described afterbody complete cross section jack-up;
S
22, utilize crane that described draw-in groove bearing normal state is placed on the tail end of described stem complete cross section, do temporary fixed support with horse plate, make the bottom of described draw-in groove bearing far from ground certain altitude;
S
23, utilize and be arranged in two groups of unit heads under two curb girders of described stem complete cross section by described stem complete cross section jack-up and move to and the clamping of described draw-in groove bearing.
5. cantilever beam two sectional type method of construction as claimed in claim 4, is characterized in that, step S
3comprise the steps:
S
31, by the described stem complete cross section lifting with described draw-in groove bearing to the top of described main body being positioned at a dock, and the center shaft adjusting described stem complete cross section overlaps with the line of centers of described main body;
S
32, make described draw-in groove bearing aim at described predeterminated position on described main body, then described stem complete cross section is placed on described main body, and utilizes the temporary support seat of at least one pair of be placed between described stem complete cross section and described main body to come load-bearing and location;
S
33, utilize oil pump to adjust the position of described stem complete cross section, the center shaft of described stem complete cross section is overlapped completely with the line of centers of described main body.
6. cantilever beam two sectional type method of construction as claimed in claim 5, is characterized in that, step S
4comprise the following steps:
S
41, adjust described draw-in groove bearing to described predeterminated position, then described draw-in groove bearing and described main body are welded and fixed;
S
42, utilize stem complete cross section described in described oil pump jack-up, raise 30mm, add another and described temporary support seat is withstood;
S
43, described bearing plate component and described chute board component put into and be positioned to described component calibration position, checking precision also welds;
S
44, again utilize stem complete cross section described in described oil pump jack-up, then described stem complete cross section is put down.
7. cantilever beam two sectional type method of construction as claimed in claim 6, is characterized in that, step S
5comprise the following steps:
S
51, described afterbody complete cross section is hung on described main body, with afterbody complete cross section described in the oil pump jack-up of 4 250 tons after putting in place;
S
52, utilize steel rope to adjust the integrated straight dimension of described stem complete cross section and described afterbody complete cross section, and emphasis described first slipping base of adjustment and the integrated straight dimension of described second slipping base;
S
53, utilize the integral level degree of stem complete cross section described in total station survey and described afterbody complete cross section, according to result of a measurement adjustment, until reach designing requirement;
S
54, complete described stem complete cross section and weld with the whip stitch of described afterbody complete cross section.
8. cantilever beam two sectional type method of construction as claimed in claim 1, is characterized in that, step S
3with step S
5gauntry crane is utilized to realize.
9. cantilever beam two sectional type method of construction as claimed in claim 2, it is characterized in that, described bearing is ball bearing of main shaft or needle bearing.
10. the cantilever beam two sectional type method of construction according to any one of claim 1 ~ 9, is characterized in that, step S
5also be provided with following steps afterwards:
S
6, install pull plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410114729.1A CN104943819B (en) | 2014-03-25 | 2014-03-25 | Cantilever beam two-part method of construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410114729.1A CN104943819B (en) | 2014-03-25 | 2014-03-25 | Cantilever beam two-part method of construction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104943819A true CN104943819A (en) | 2015-09-30 |
| CN104943819B CN104943819B (en) | 2017-06-16 |
Family
ID=54158997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410114729.1A Expired - Fee Related CN104943819B (en) | 2014-03-25 | 2014-03-25 | Cantilever beam two-part method of construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104943819B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107653854A (en) * | 2016-07-26 | 2018-02-02 | 龙口中集来福士海洋工程有限公司 | The construction folding method of jack-up unit cantilever beam |
| CN108661030A (en) * | 2017-03-31 | 2018-10-16 | 烟台中集来福士海洋工程有限公司 | Jack-up unit cantilever beam folding method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2405182A1 (en) * | 1977-10-04 | 1979-05-04 | Metalliques Entrepr Cie Fse | PROCESS AND EQUIPMENT FOR PLACING ON COLUMNS ANCHORED TO THE BOTTOM, FROM A TRANSPORTER VESSEL, LOADS, PLATFORMS OR SIMILAR, FOR INSTALLATIONS OFF THE COAST |
| CN101148869A (en) * | 2007-10-18 | 2008-03-26 | 大连船舶重工集团有限公司 | Construction method for large-scale overhanging beam |
| CN102477733A (en) * | 2010-11-26 | 2012-05-30 | 大连船舶重工集团有限公司 | Installation method for integrally dragging cantilever beam onto platform |
| CN203268297U (en) * | 2013-04-25 | 2013-11-06 | 大连船舶重工集团有限公司 | Self-elevating platform cantilever beam sliding base |
-
2014
- 2014-03-25 CN CN201410114729.1A patent/CN104943819B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2405182A1 (en) * | 1977-10-04 | 1979-05-04 | Metalliques Entrepr Cie Fse | PROCESS AND EQUIPMENT FOR PLACING ON COLUMNS ANCHORED TO THE BOTTOM, FROM A TRANSPORTER VESSEL, LOADS, PLATFORMS OR SIMILAR, FOR INSTALLATIONS OFF THE COAST |
| CN101148869A (en) * | 2007-10-18 | 2008-03-26 | 大连船舶重工集团有限公司 | Construction method for large-scale overhanging beam |
| CN102477733A (en) * | 2010-11-26 | 2012-05-30 | 大连船舶重工集团有限公司 | Installation method for integrally dragging cantilever beam onto platform |
| CN203268297U (en) * | 2013-04-25 | 2013-11-06 | 大连船舶重工集团有限公司 | Self-elevating platform cantilever beam sliding base |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107653854A (en) * | 2016-07-26 | 2018-02-02 | 龙口中集来福士海洋工程有限公司 | The construction folding method of jack-up unit cantilever beam |
| CN107653854B (en) * | 2016-07-26 | 2020-04-03 | 龙口中集来福士海洋工程有限公司 | Construction and folding method of self-elevating platform cantilever beam |
| CN108661030A (en) * | 2017-03-31 | 2018-10-16 | 烟台中集来福士海洋工程有限公司 | Jack-up unit cantilever beam folding method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104943819B (en) | 2017-06-16 |
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