CN103640957A - Multi-hoisting point hoisting method for large annular thin-walled ship hull block - Google Patents
Multi-hoisting point hoisting method for large annular thin-walled ship hull block Download PDFInfo
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- CN103640957A CN103640957A CN201310492149.1A CN201310492149A CN103640957A CN 103640957 A CN103640957 A CN 103640957A CN 201310492149 A CN201310492149 A CN 201310492149A CN 103640957 A CN103640957 A CN 103640957A
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Abstract
The invention discloses a multi-hoisting point hoisting method for a large annular thin-walled ship hull block. The hoisting method includes the steps of hoisting point selection, corner protector installation, hoisting belt fixation, crane connection and the like. The hoisting method does not need to be matched with a dedicated launching steel beam and other large construction installation equipment, has the advantages of being high in hoisting efficiency, good in general performance, convenient to use, low in procurement and maintenance costs and the like, and provides a high cost performance solution for hoisting of the large annular thin-walled ship hull block.
Description
Technical field
The present invention relates to the hanging method of general section of shipbody, specifically the hanging method of the many suspension centres of a kind of large-sized annular thin-walled general section of shipbody.
Background technology
Segmentation for conventional ship-related products, shipyard generally completes segmentation building berth (or dock) by the lifting mode of hanger is installed on body section carries operation, and for the segmentation of annular thin wall hull, if or according to this lifting mode, to cause hull gross distortion, consequent loss is very large.Therefore, a lot of shipyards are sought other lifting mode then, and wherein a kind of is to make two ends with the steel joist of hanger, and body section is just placed on steel joist and lifts when making total group; Another kind is the special-purpose block assembly frock of buying, and this frock can be walked by hydraulic efficiency pressure system in dock, and can to shelving superincumbent segmentation, carry out comprehensive adjustment as required.This two schemes can both solve the problem of large-sized annular thin-walled general section of shipbody lifting distortion, but exists investment huge, and delivery cycle is long, and troublesome maintenance etc. are distinct issues relatively.Therefore, develop and a kind ofly can meet large-sized annular thin-walled general section of shipbody lifting requirements, can seem very necessary by hanging method cost-saving, that simplify the high performance-price ratio of safeguarding again.
Summary of the invention
The object of the present invention is to provide the hanging method of the many suspension centres of a kind of large-sized annular thin-walled general section of shipbody, have lifting efficiency high, cost of investment is low, use the many advantages such as simple, easy to maintenance, is a kind of ideal special hoisting scheme.
Technical scheme of the present invention is as follows:
A hanging method for the many suspension centres of large-sized annular thin-walled general section of shipbody, its feature is, two hoisting cranes are set respectively on two groups of parallel tracks, specifically comprises the steps:
1. choosing of suspension centre: choose 12 suspension centres thering is the ship hull plate tongue and groove position that rib strengthens, as the riding position of 6 suspender belts;
2. the installation of corner protector: according to suspender belt trend, at described ship hull plate tongue and groove place and ship hull plate middle part bending part, corner protector is set respectively;
3. suspender belt is fixed in corresponding corner protector;
4. by the two ends of four suspender belts near general section of shipbody stern direction, each is connected with the first steel rope compacting rigging by shackle respectively;
5. four of general section of shipbody one side the first steel rope compacting riggings are fixed on one group of parallel track and on the main hook of the first heavy-duty machine of close general section of shipbody stern direction, four of general section of shipbody opposite side the first steel ropes compacting riggings are fixed on to another and organize on parallel track and on the main hook of the second hoisting crane of close general section of shipbody stern direction;
6. by the two ends of two suspender belts near general section of shipbody bow direction, each is connected with the second steel rope compacting rigging by shackle respectively;
7. four of general section of shipbody both sides the second steel ropes compactings riggings are fixed with the row of hanging two ends respectively, the two ends of this row of hanging are connected with the 3rd main hook of hoisting crane, the main hook of fourth heavy-duty machine by non junction fake respectively.
The described row of hanging is merged into a suspension centre by pulley by two suspension centres, and the spacing between two stress points of this row of hanging is consistent with the width of hull.
The described row of hanging is provided with the anti-pogo stick of steel rope, and prevention steel rope is jumped out the risk of fixed pulley.The row of hanging has universal-joint regulatory function, can be along hull direction lateral rotation in the scope of ± 10 °, can guarantee that two hooks of two hoisting cranes can adjust ± 1 meter in horizontal surface simultaneously.
The present invention also possesses following innovative point:
1, LOAD FOR and the type selecting of suspender belt, shackle, steel rope compacting rigging, non junction fake.
First, the wind area of measuring and calculating lifting segmentation, calculates the suffered wind load of general section of shipbody according to formula PW=CPA, and wherein C represents wind factor, and P represents blast; Secondly, according to load formula P=(PG+PW)
calculate the suffered actual load of general section of shipbody, wherein PG represents conventional load,
represent enhancement coefficient; Again, according to the distance of complete cross section center of gravity and crane suspension centre, suspender belt lifting ultimate load parameter list, calculate the load of every hoist cable; Finally, find out the one group of hoist cable load value that lifts load maximum in process, choose required Current Collector Sleave.According to load, choose the type and spec of above-mentioned Current Collector Sleave: suspender belt---R02-50t * 23m; Shackle---S-BX85-3; Steel rope compacting rigging---8 * 37+IWR-1770-Φ, 86 * 15.86m; Non junction fake---Φ 66 * 5m(girth).
2, the design of the row of hanging.
The row of hanging is mainly merged into a suspension centre by two weight-lifting equipments by pulley, make two weight-lifting equipments can average load, make on load distribution to three suspension centre of whole body section, thereby guarantee load reasonable distribution between four weight-lifting equipments of whole body section.
According to the rated load of the row of hanging and own wt requirement, the material of main part of suspender is selected Q620 low-alloy high-tensile structural steel.According to site operation requirement, the row of hanging is provided with Universal adjusting mechanism: due to the row's of hanging heel risk that hull inclination angle may cause, adjusting mechanism guarantees that the row of hanging can regulate within the scope of the angle of heel of ± 10 °; Due to when lifting each weight-lifting equipment hook may the asynchronous row of the hanging trim risk causing, the reserved suitable rope capacity assurance row of hanging two ends can regulate within the scope of the trim of ± 1m.The weight-lifting equipment suspension hook spacing requirement of hanging for adapting to connection, the pulley room of the row of hanging is apart from being 7.2m; Consistent with general section of shipbody width for guaranteeing the row's of hanging suspension centre, the row's of hanging suspension centre spacing is set to 11.5m.The risk that steel rope is jumped out from pulley when preventing the row's of hanging heel, must install the anti-pogo stick of steel rope additional in the row of hanging, to stop steel rope and pulley angle, surpass ± 3 ° of risks that cause.
Compared with prior art, technique effect of the present invention:
1, by the original hull steel joist method row's of hanging suspender belt method instead, reduced the weight of Current Collector Sleave, thereby can increase actv. lifting load, particularly at the poor scene of weight-lifting equipment load-carrying capacity, more had superiority.
2, cost is than steel joist.
3, simple to operate, convenient, enhance productivity greatly, and easy maintenance, greatly reduce labour intensity.
Accompanying drawing explanation
Fig. 1 is the front view of the hanging method of the many suspension centres of large-sized annular thin-walled general section of shipbody of the present invention.
Fig. 2 is the left view of the hanging method of the many suspension centres of large-sized annular thin-walled general section of shipbody of the present invention.
Fig. 3 is the right elevation of the hanging method of the many suspension centres of large-sized annular thin-walled general section of shipbody of the present invention.
In figure: 1---the main hook of the 3rd hoisting crane; 2---non junction fake; 3---the row of hanging; 4---the first steel rope compacting rigging; 5---shackle; 6---suspender belt; 7---corner protector; 8---hull; 9---the main hook of fourth heavy-duty machine; 10---the main hook of the first heavy-duty machine; 11---the main hook of the second hoisting crane; 12---the second steel rope compacting rigging; 3-1---the row's of hanging crossbeam; 3-2---clutch shaft bearing; 3-3---the anti-pogo stick of steel rope; 3-4---the second bearing; 3-5---the 3rd bearing.
the specific embodiment
Below in conjunction with drawings and Examples, the hanging method of the many suspension centres of large-sized annular thin-walled general section of shipbody of the present invention is described in further detail, but can not limits the scope of the invention with this.
Refer to Fig. 1-3, Fig. 1 is the front view of the hanging method of the many suspension centres of large-sized annular thin-walled general section of shipbody of the present invention, Fig. 2 is the left view of the hanging method of the many suspension centres of large-sized annular thin-walled general section of shipbody of the present invention, Fig. 3 is the right elevation of the hanging method of the many suspension centres of large-sized annular thin-walled general section of shipbody of the present invention, as shown in the figure, a hanging method for the many suspension centres of large-sized annular thin-walled general section of shipbody arranges respectively two hoisting cranes on two groups of parallel tracks, specifically comprises the steps:
1. choosing of suspension centre: choose 12 suspension centres thering is the ship hull plate tongue and groove position that rib strengthens;
2. the installation of corner protector 7: according to suspender belt trend, weld respectively corner protector 7 at described ship hull plate tongue and groove place and ship hull plate middle part bending part;
3. suspender belt 6 is fixed in corresponding corner protector 7;
4. by the two ends of four suspender belts near general section of shipbody stern direction, each is connected with the first steel rope compacting rigging 4 by shackle 5 respectively;
5. four of general section of shipbody one side the first steel rope compacting riggings 4 are fixed on one group of parallel track and on the main hook 10 of the first heavy-duty machine of close general section of shipbody stern direction, four of general section of shipbody opposite side the first steel ropes compacting riggings 4 are fixed on to another and organize on parallel track and on the main hook 11 of the second hoisting crane of close general section of shipbody stern direction.On the main hook 10 of the first heavy-duty machine and the main hook 11 of the second hoisting crane, the hook both sides of each " mountain " shape respectively hang steel cable, every steel rope two ends connect two suspension centres, make the stressed all in allowed band of every steel rope, the indeterminate phenomenon of having avoided 11 times four suspension centres of the main hook 10 of the first heavy-duty machine and the main hook of the second hoisting crane to occur with four steel ropes, has solved the stressed irrational problem of steel rope.
6. by the two ends of two suspender belts near general section of shipbody bow direction, each is connected with the second steel rope compacting rigging 12 by shackle 5 respectively;
7. four of general section of shipbody both sides the second steel ropes compactings riggings 12 are fixed with the row of hanging 3 two ends respectively, the two ends of this row of hanging 3 are passed through respectively non junction fake 2 and are connected with the main hook 1 of the 3rd hoisting crane, the main hook 9 of fourth heavy-duty machine.
Because every suspender belt is all different from the angle of hull, for guaranteeing that suspender belt does not produce lateral sliding, the horizontal cross component that need to produce corner protector according to suspender belt selects to meet the corner protector that load requires.
The present invention utilizes the span winch of four less tonnages to combine the situation that lifts large-sized annular film general section of shipbody, pass through simple transformation, also be applicable to the hoisting crane of all size varying number, have that lifting efficiency is high, universal performance good, easy to use, buying and an advantage such as maintenance cost is low.
Certainly, the hanging method of the many suspension centres of large-sized annular thin-walled general section of shipbody of the present invention is not only confined to lifting mode cited in above-described embodiment, and protection scope of the present invention also comprises other apparent conversion for a person skilled in the art.
Claims (2)
1. a hanging method for the many suspension centres of large-sized annular thin-walled general section of shipbody, is characterized in that, two hoisting cranes are set respectively on two groups of parallel tracks, specifically comprises the steps:
1. choosing of suspension centre: choose 12 suspension centres thering is the ship hull plate tongue and groove position that rib strengthens;
2. the installation of corner protector (7): according to suspender belt trend, at described ship hull plate tongue and groove place and ship hull plate middle part bending part, corner protector (7) is set respectively;
3. suspender belt (6) is fixed in corresponding corner protector (7);
4. by the two ends of four suspender belts near general section of shipbody stern direction, each is connected with the first steel rope compacting rigging (4) by shackle (5) respectively;
5. four of general section of shipbody one side the first steel ropes compactings riggings (4) are fixed on one group of parallel track and upper near the main hook (10) of the first heavy-duty machine of general section of shipbody stern direction, by four of general section of shipbody opposite side the first steel ropes compacting riggings (4) be fixed on another organize on parallel track and main hook (11) near the second hoisting crane of general section of shipbody stern direction on;
6. by the two ends of two suspender belts near general section of shipbody bow direction, each is connected with the second steel rope compacting rigging (12) by shackle (5) respectively;
7. four of general section of shipbody both sides the second steel ropes compactings riggings (12) are fixed with the row of hanging (3) two ends respectively, the two ends of this row of hanging (3) are passed through respectively non junction fake (2) and are connected with the main hook (1) of the 3rd hoisting crane, the main hook (9) of fourth heavy-duty machine.
2. the hanging method of the many suspension centres of large-sized annular thin-walled general section of shipbody according to claim 1, it is characterized in that, the described row of hanging (3) is merged into a suspension centre by pulley by two suspension centres, and the spacing between two stress points of this row of hanging (3) is consistent with the width of hull (8).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310492149.1A CN103640957B (en) | 2013-10-18 | 2013-10-18 | Multi-hoisting point hoisting method for large annular thin-walled ship hull block |
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| CN201310492149.1A CN103640957B (en) | 2013-10-18 | 2013-10-18 | Multi-hoisting point hoisting method for large annular thin-walled ship hull block |
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| CN103640957A true CN103640957A (en) | 2014-03-19 |
| CN103640957B CN103640957B (en) | 2015-07-22 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108746281A (en) * | 2018-06-05 | 2018-11-06 | 日照德信机械制造有限公司 | A kind of bender being suitable for large-scale shackle |
| CN109052171A (en) * | 2018-10-29 | 2018-12-21 | 上海外高桥造船有限公司 | A kind of stem segmental hoisting method |
| CN110510506A (en) * | 2019-07-29 | 2019-11-29 | 沪东中华造船(集团)有限公司 | A kind of width type block hanging method of thin-wall construction |
| CN111017695A (en) * | 2019-11-29 | 2020-04-17 | 海洋石油工程（青岛）有限公司 | Process for hoisting large ship block by matching crawler crane with hoisting system |
| CN111377383A (en) * | 2020-03-30 | 2020-07-07 | 中国电建集团山东电力建设第一工程有限公司 | Hoisting system and hoisting method for overweight horizontal high-pressure heater |
| CN112319725A (en) * | 2020-09-24 | 2021-02-05 | 沪东中华造船(集团)有限公司 | Method for hoisting and docking annular main section of fishery scientific investigation ship |
| CN113401799A (en) * | 2021-07-21 | 2021-09-17 | 江南造船(集团)有限责任公司 | Hoisting method of giant thin deck block |
Families Citing this family (1)
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| CN111332940A (en) * | 2020-03-06 | 2020-06-26 | 招商局邮轮制造有限公司 | Carrying and hoisting process for building block on cruise ship |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108746281A (en) * | 2018-06-05 | 2018-11-06 | 日照德信机械制造有限公司 | A kind of bender being suitable for large-scale shackle |
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| CN109052171A (en) * | 2018-10-29 | 2018-12-21 | 上海外高桥造船有限公司 | A kind of stem segmental hoisting method |
| CN110510506A (en) * | 2019-07-29 | 2019-11-29 | 沪东中华造船(集团)有限公司 | A kind of width type block hanging method of thin-wall construction |
| CN111017695A (en) * | 2019-11-29 | 2020-04-17 | 海洋石油工程（青岛）有限公司 | Process for hoisting large ship block by matching crawler crane with hoisting system |
| CN111377383A (en) * | 2020-03-30 | 2020-07-07 | 中国电建集团山东电力建设第一工程有限公司 | Hoisting system and hoisting method for overweight horizontal high-pressure heater |
| CN111377383B (en) * | 2020-03-30 | 2022-05-27 | 中国电建集团山东电力建设第一工程有限公司 | Hoisting system and hoisting method for overweight horizontal high-pressure heater |
| CN112319725A (en) * | 2020-09-24 | 2021-02-05 | 沪东中华造船(集团)有限公司 | Method for hoisting and docking annular main section of fishery scientific investigation ship |
| CN113401799A (en) * | 2021-07-21 | 2021-09-17 | 江南造船(集团)有限责任公司 | Hoisting method of giant thin deck block |
| CN113401799B (en) * | 2021-07-21 | 2022-12-20 | 江南造船(集团)有限责任公司 | Hoisting method of giant thin deck block |
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