CN101570234B - Method for assembling and lifting engine room section - Google Patents
Method for assembling and lifting engine room section Download PDFInfo
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- CN101570234B CN101570234B CN 200810036832 CN200810036832A CN101570234B CN 101570234 B CN101570234 B CN 101570234B CN 200810036832 CN200810036832 CN 200810036832 CN 200810036832 A CN200810036832 A CN 200810036832A CN 101570234 B CN101570234 B CN 101570234B
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Abstract
The invention belongs to the field of construction of ship sections and particularly discloses a method for assembling and lifting an engine room section. The method comprises the following assemblingsteps: (1) each section strengthening; (2) plane base jig manufacture and lining: a positioning support is arranged on a base jig; (3) subsection assembly: a transverse bulkhead subsection and a susp ending deck platform subsection are positioned according to a line and the positioning support on the plane base jig, and other subsections are sequentially lifted, positioned and welded after welding; (4) subsection strengthening after assembly; and (5) finished engine room section measurement. By assembling thirteen subsections into one section, the invention obviously improves the carrying speed, ensures the installation integrity of a subsection structure, can assemble various outfits and accessories in place in advance, prevents the vertical crossing operation among different work types and relieves a state of uneven labor force distribution.
Description
Technical field
The invention belongs to boats and ships complete cross section construction applications, relate in particular to and a kind of the cabin segmentation is assembled into the assemble method of cabin complete cross section, and the hanging method that the cabin complete cross section that this assembling is finished is lifted.
Background technology
The cabin part of 16400t chemical carrier has three layers of deck, because structure is thin, traditional build process is before building, from the very start three layers of deck being divided into 13 segmentations and making of design, with prevent from building, stand up, segmentation deforms in the handling process.Usually in total group stage some segmentations are combined into a big segmentation, utilize the prepackage of pipe to improve the intensity of segmentation.But the basic like this needs that can not satisfy quick lift-launch, and in the lift-launch process, want 5～6 to hang at least, whenever hang the related work of end segmentation in capital influence other work, particularly cabin on every side, also can cause each work post mixture operation and multi-point and wide-ranging, extremely unfavorable to safety in production.
Therefore, usually can consider 13 segmentations are combined into the complete cross section that length 19800mm, width 14900mm, height 10100mm, structural weight reach 155t for addressing the above problem, as shown in Figure 1, but this total segment structure is thin, the upper two layers floor space is greater than following one deck, the second half section segmentation is in vacant state, and the segmented general group form that did not run into before being.Add pre outfitting and equipment after this segmented general group, total weight will be above 200t, need hang with the height of 2 150t or 2 150t drivings utilize the rows of hanging to lift simultaneously, and hang horse and arrange it is again a new problem.Because it is improper that suspension centre is selected, still do not hang apart from the problem of angle and level, and can make the deck distortion cause structure to mend by replacing a damaged part.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of cabin complete cross section assemble method of simple and feasible and the hanging method of this complete cross section, solving thin, the segmentation vacant state of segmental structure that prior art exists, and the problem of assembling generation subsection deformation during with lifting.
The technical scheme of technical solution problem of the present invention is as follows:
A kind of cabin complete cross section assemble method, it is characterized in that, described cabin complete cross section comprises thwartship bulkhead segmentation, suspending deck platform segmentation, the segmentation of between deck platform and promenade deck platform segmentation, be provided with engine room hatchway in the middle of the segmentation of described between deck platform and the promenade deck platform segmentation, it comprises following number of assembling steps:
(1) each segmentation is strengthened handling: after each segmentation bed board line, preset four channel-section steels at each segmentation moulding bed and be the frame type around the segmentation and captive joint the pre-reinforced frame of formation segmentation with segmentation;
(2) make plane base moulding bed and line: at basic moulding bed positioning supports is set;
(3) assembling of segmentation: at first thwartship bulkhead segmentation and suspending deck platform segmentation are positioned according to the line on the plane base moulding bed and positioning supports, the dress postwelding hangs on other segmentation location dress weldering in regular turn;
(4) segmentation assembling back is strengthened: will adorn the segmentation of postwelding, connect pre-reinforced frame in the same deck platform segmentation with channel-section steel, form the reinforced frame of an integral body, and between promenade deck platform segmentation and the segmentation of between deck platform, support post is set around the engine room hatchway;
(5) the cabin complete cross section after finishing is measured.
The present invention has also announced the hanging method of the cabin complete cross section that adopts above-mentioned assemble method assembling simultaneously, comprises the steps:
(a) determine the actual tonnage of cabin complete cross section;
(b) determining to hang horse according to the form of lifting arranges.
By above disclosed technical scheme as can be known, the invention has the beneficial effects as follows: by 1 complete cross section is formed in 13 segmentations, the speed of lift-launch obviously improves; Guarantee the integraty that segmental structure is installed; All kinds of fittingss, annex all can be in place in advance in addition, avoid the interchange operation between the different work posts, alleviate the state of labour power skewness.After general assembly, can reduce the intensive construction of each work post in the cabin, improve the pre outfitting ability, satisfy and carry needs fast.The economic benefit that the present invention creates also is very considerable: comprise artificial, auxiliary material, production cycle and time on building berth etc., and have laid a good foundation for the integraty of follow-up pre outfitting content.
Description of drawings
Fig. 1 is that the cabin segmentation is through assembling and the cabin complete cross section structural representation of strengthening forming;
Fig. 2 is plane base moulding bed scheme drawing;
Fig. 3 is suspension centre plane of arrangement figure;
Fig. 4 is the scheme drawing that the cabin complete cross section adopts the row's of hanging hoisting.
The specific embodiment
Further specify the present invention below in conjunction with accompanying drawing.
As shown in Figure 1, cabin of the present invention complete cross section assemble method, described cabin complete cross section comprises thwartship bulkhead segmentation 14, suspending deck platform segmentation 13, between deck platform segmentation 12 and promenade deck platform segmentation 11, be provided with engine room hatchway 16 in the middle of described between deck platform segmentation 12 and the promenade deck platform segmentation 11, it comprises following number of assembling steps:
(1) each segmentation is strengthened handling: former seam-allowance of closing up cutting is greatly excised when segmentation is made, form a segmentation about making, deck, framework require whole welding to finish.After each segmentation moulding bed manufacturing completion, preset four 30# channel-section steels earlier, around being arranged in.Four 30# channel-section steels that after the line of each segmentation bed board, moulding bed preset around the segmentation near direction be offset 500mm and position, constitute the pre-reinforced frame of segmentation, segmentation is on the platform of a frame-type (this size has been considered and got out of the way pre-tubulature position of opening) all the time.So both solved the thin problem of structure, controlled the distortion of segmentation again, the handling work of subsequent segment had also been brought very big benefit;
(2) make plane base moulding bed and line: at basic moulding bed positioning supports is set; For ease of handling with deposit, as shown in Figure 2, make two 8000 * 16000mm plane base moulding beds, choosing after putting and putting is fixed moulding bed, marks line of centers, segmentation front and back position and segmentation half-breadth line etc. at select location;
On last plane base moulding bed, preset two vertical support 5 earlier, described vertical support is symmetrical set at the relative line of centers of basic moulding bed one side, described vertical support can adopt two channel-section steel manufacturings, with thwartship bulkhead segmentation 14 shown in Figure 1, corresponding apart from the suspending deck platform segmentation 13 end opening T row of baseline 6400mm, mark bearing height and cut;
At a back plane base moulding bed type is set and supports 6, its basic relatively moulding bed line of centers is symmetrical set, it comprises that four vertical channel-section steels support 601 and two transverse channel steels and support 602, it is 601 corresponding with the longitudinal wall 15 apart from the between deck platform segmentation 12 of baseline 9200mm that described four vertical channel-section steels support, determine supporting top installation transverse channel steels support 602 behind the height, form two gantry types and support 6, be convenient to the location of segmentation;
Utilize engine opening 16 to arrange boarding ladder at moulding bed, setting up fixedly in the scope of operation, scaffold and plane base moulding bed form one.
(3) assembling of segmentation: at first thwartship bulkhead segmentation and suspending deck platform segmentation are positioned according to the line on the plane base moulding bed and positioning supports, the dress postwelding hangs on other segmentation location dress weldering in regular turn;
The location of thwartship bulkhead segmentation 14 wherein:
End segmentation 35# rib position bulkhead in the end and the cabin in the adjacent base segmentation is measured, thwartship bulkhead segmentation 14 offsets are measured; According to result of a measurement that the cutting of thwartship bulkhead segmentation 14 end opening surpluses is complete;
Setting plane base moulding bed face 17 is apart from baseline 2700mm platform, by the line of position of having delimited thwartship bulkhead segmentation 14 is hung on plane base moulding bed 17 location;
Segmentation center, vertical line, level are adjusted to the right place, and the vertical support 5 that will preset on the suspending deck platform 13 end opening T of baseline 6400mm row and the plane base moulding bed 17 is fixed then, and the bulkhead leading portion sets up two diagonal braces in 35# rib position; Thwartship bulkhead segmentation 14 squareness are positioned to the 20mm that leans forward, to compensating with the aft deck welding contracted quantity.
Suspending deck platform segmentation 13 location apart from baseline 6400mm:
Line of centers, levelness are adjusted to the right place, after finish segmentation secondary location, will support that interim and plane base moulding bed 17 is connected and fixed with channel-section steel apart from the six roots of sensation of the suspending deck platform segmentation 13 of baseline 6400mm.
The location dress weldering of other segmentations:
Hang on successively apart from the between deck platform segmentation 12 of baseline 9200mm, apart from the promenade deck platform segmentation 11 of baseline 12800mm and to position weldering, guarantee floor height correctness between line of centers, level and segmentation.Apart from the between deck platform segmentation 12 of baseline 9200mm with strengthen being connected apart from supporting 3 with four root posts between the promenade deck platform segmentation 11 of baseline 12800mm.Working fastening is carried out in the door type support 6 that will preset on the longitudinal wall segmentation 15 of the between deck platform segmentation 12 second half section segmentation of baseline 9200mm and the plane base moulding bed 17.
(4) segmentation assembling back is strengthened: will adorn the segmentation of postwelding, connect pre-reinforced frame in the same deck platform segmentation with channel-section steel, form the reinforced frame of an integral body, and between promenade deck platform segmentation and the segmentation of between deck platform, support post is set around the engine room hatchway; To adorn every layer of deck platform (apart from baseline 6400mm, 9200mm, 12800mm) that weldering is finished, strengthen (2) with channel-section steel and connected existing tower structure in the segmentation; Check to strengthen, locally repair, add weldering, the reinforcement of guaranteeing every layer of deck platform all interconnects and becomes integral body;
To interconnect apart from deck between unsettled segmentation longitudinal wall 15 of 12 second half sections of between deck platform segmentation of baseline 9200mm and the longitudinal wall with channel-section steel, with longitudinal wall 15 be connected with four channel-section steel diagonal braces 4 apart between the suspending deck platform segmentation 13 of baseline 6400mm, make itself and the frame-type channel-section steel reinforced frame 2 in the suspending deck platform segmentation 13 of baseline 6400mm connect into an integral body, by the unsettled problem of diagonal brace solution segmentation of part.
(5) the cabin complete cross section after finishing is measured: with surveyor's transit the complete cross section after finishing is measured, guaranteed the line of centers, floor height of complete cross section and apart from the range of sizes that all remains on regulation all around on platform segmentation 11 planes, baseline 12800mm promenade deck;
Utilize complete cross section front and back position line and the half-breadth line mark on the ground in advance, by measure data about complete cross section and the rear end size mark the surplus line, and cutting surplus;
During line the half-breadth of three layers of platform is set up compensation rate, overproof with the space that the flatness that compensates 7450mm longitudinal wall in the distance causes, respectively compensate 15mm about being made as.
Adopt the hanging method of the cabin complete cross section of above-mentioned assemble method assembling, comprise the steps:
(a) determine the actual tonnage of cabin complete cross section; Structural weight has reached 155t after the segmented general group of cabin, adds pre outfitting part and equipment, and the super 200t of total weight needs to use 2 150t height to lift up into row to lift outdoor, and can only lift with 2 150t driving utilization rows of hanging indoor.
(b) determining to hang horse according to the form of lifting arranges: considering around the engine room hatchway has upright supports 3, and up and down every layer link to each other, arrange that at this suspension centre is very reliable; Owing to 35# rib position, thwartship bulkhead segmentation place 91, # rib position, separation segmentation 17 place 94 all are full separations, hang the Marko to be arranged in the separation position in addition.As shown in Figure 3, arrange on the 35# rib position 91 to arrange on first pair of suspension centre, the 29# rib position 92 to arrange on second pair of suspension centre, the 21# rib position 93 the 4th pair of suspension centre is set on the 3rd pair of suspension centre, the 16# rib position 94, i.e. two groups of uniform eight suspension centres 71 all around, can solve parallel problem of hanging the horse stress deformation, can reduce a large amount of reinforcements again, not only material saving but also less manpower, and hang apart from controlled.
As shown in Figure 4, hang the hoisting that row carries out the cabin complete cross section in the driving utilization of 2 150t of indoor use.The following hanger of the row of hanging 82 is connected with steel wire 83 with hanging between the horse 72, and driving lifts by the last hanger that suspension hook 81 hooks the row of hanging 82.
Claims (7)
1. cabin complete cross section assemble method, it is characterized in that, described cabin complete cross section comprises thwartship bulkhead segmentation, suspending deck platform segmentation, the segmentation of between deck platform and promenade deck platform segmentation, be provided with engine room hatchway in the middle of the segmentation of described between deck platform and the promenade deck platform segmentation, it comprises following number of assembling steps:
(1) each segmentation is strengthened handling, and after each segmentation bed board line, presets four channel-section steels at each segmentation moulding bed and is the frame type around the segmentation and captives joint the pre-reinforced frame of formation segmentation with segmentation;
(2) make plane base moulding bed and line, at basic moulding bed positioning supports is set;
(3) assembling of segmentation, at first thwartship bulkhead segmentation and suspending deck platform segmentation are positioned according to the line on the plane base moulding bed and positioning supports, the dress postwelding hangs on other segmentation location dress weldering in regular turn, and support post is set around the engine room hatchway between promenade deck platform segmentation and the segmentation of between deck platform;
(4) segmentation assembling back is strengthened, and segmentation that will the dress postwelding connects pre-reinforced frame in the same deck platform segmentation with channel-section steel, forms the reinforced frame of an integral body;
(5) the cabin complete cross section after finishing is measured.
2. cabin as claimed in claim 1 complete cross section assemble method is characterized in that, the positioning supports in the described step (2) comprises that a pair of vertical support and an opposite house type support; Described vertical support is symmetrical set at the relative line of centers of basic moulding bed one side, and described vertical support is corresponding with thwartship bulkhead segmentation and suspending deck segmentation end opening T row; Described door type supports and is arranged on the relative line of centers of basic moulding bed opposite side and is symmetrical set, and the longitudinal wall of described door type framework and the segmentation of between deck platform and the height of between deck platform segmentation are corresponding.
3. cabin as claimed in claim 1 complete cross section assemble method, it is characterized in that, segmentation assembling back is strengthened also comprising in the described step (4): interconnect with deck between channel-section steel diagonal brace segmentation longitudinal wall that the between deck platform segmentation second half section is unsettled and the longitudinal wall, make the reinforced frame in this segmentation longitudinal wall and the suspending deck platform segmentation connect into integral body.
4. cabin as claimed in claim 1 complete cross section assemble method is characterized in that, support post has two pairs in the described step (3), in twos parallel being symmetrical arranged.
5. cabin as claimed in claim 1 complete cross section assemble method is characterized in that, the cabin complete cross section in the described step (5) is measured and adopted laser transit to measure.
6. the hanging method of the cabin complete cross section of each assemble method assembling of an employing such as claim 1 to 5 is characterized in that, comprises the steps:
(a) determine the actual tonnage of cabin complete cross section;
(b) determining to hang horse according to the form of lifting arranges.
7. the hanging method of cabin as claimed in claim 6 complete cross section, it is characterized in that, describedly hang horse and be arranged in the platform segmentation of promenade deck, comprise 8 suspension centres, wherein the first pair of suspension centre is arranged on place, rib position, thwartship bulkhead segmentation place, second and the 3rd pair of suspension centre is arranged on place, rib position, engine room hatchway support post place, and the 4th pair of suspension centre is arranged on place, rib position, separation segmentation place.
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| CN 200810036832 CN101570234B (en) | 2008-04-29 | 2008-04-29 | Method for assembling and lifting engine room section |
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| CN 200810036832 CN101570234B (en) | 2008-04-29 | 2008-04-29 | Method for assembling and lifting engine room section |
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| CN101570234B true CN101570234B (en) | 2013-07-03 |
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