CN108773457A - A kind of large-sized annular block closes up localization method - Google Patents
A kind of large-sized annular block closes up localization method Download PDFInfo
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- CN108773457A CN108773457A CN201810550733.0A CN201810550733A CN108773457A CN 108773457 A CN108773457 A CN 108773457A CN 201810550733 A CN201810550733 A CN 201810550733A CN 108773457 A CN108773457 A CN 108773457A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B73/00—Building or assembling vessels or marine structures, e.g. hulls or offshore platforms
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Abstract
The present invention discloses a kind of large-sized annular block and closes up localization method, includes the following steps：Step S100, the stern ring segment of ship and intermediate ring segment are provided, stern ring segment and intermediate ring segment interval setpoint distance is made to build；Step S200, after stern ring segment and intermediate ring segment are built, stern ring segment is made to fix, in the multiple adjustment trolleies of the arranged beneath of intermediate ring segment；Step S300, multiple adjustment trolley startups carry out jacking operation, horizontal adjustment, adjusting of centerline successively to intermediate ring segment, so that intermediate ring segment is located at the first closed position；Step S400, multiple adjustment trolley startups make intermediate ring segment be moved towards stern ring segment, so that intermediate ring segment is located at the second closed position and closes up with stern ring segment.Trolley is adjusted by setting, the position of intermediate ring segment can be accurately adjusted during intermediate ring segment and stern ring segment are closed up, meets the required precision that intermediate ring segment is closed up with stern ring segment.
Description
Technical field
The present invention relates to technical field of ships more particularly to a kind of large-sized annular block to close up localization method.
Background technology
Existing common ship body folding method is to be lain up in a manner of always organizing block or upper berth combination, and total block of organizing is using dragon
Gantry crane equipment integral hoisting.Because gantry crane equipment crane capacity is limited, body section always organizes scale by larger limitation, it is difficult to
Integral hoisting after annular total group of the block of realization, therefore dock or berth combination are often participated in the form of block, cause dock building berth all
Phase is difficult to further shorten, and shipbuilding efficiency promotion is made to reach bottleneck.Between largely shell, Xi, painting work surface are interim after block closes up
The sufferings such as intersection spatially, operating environment are poor, difficulty of construction is big, duty cycle is short, construction node anxiety, not only increase and make
Ship cost, and constrain the development of enterprise.
Have technical staff propose it is a kind of integrally moving dress after annular total group of block by the way of at type ship, i.e., by ship shape
At stem ring segment, at least one intermediate ring segment and ship stern ring segment, using translation device by stem ring segment, at least one intermediate ring segment
It is transported to specified closed position with ship stern ring segment, translation device includes stem ship stern transport frock and intermediate ring segment haulagman
Dress, stem ship stern transport frock include moving ship trolley and support platform, and intermediate ring segment transport frock is power plant module vehicle.This molding
Although the mode of ship eliminates the use of crane, but it still has following defect：(1), using the shifting ship for being only capable of translation
Trolley and power plant module vehicle cannot achieve the contraposition of exactly circular block, i.e., the locating effect of annular block is poor, and there are larger
Foozle so that the later stage to reprocess process big, increase manufacture difficulty；(2) all annular blocks are required to be moved to
Designated position needs the position for adjusting all annular blocks, increases adjusting difficulty, improve foozle.
Invention content
It is an object of the invention to：A kind of large-sized annular block is provided and closes up localization method, it is easy to operate, it can be accurately
Positioning is realized during large-sized annular block closes up, and ensures the construction precision of ship.
For this purpose, the present invention uses following technical scheme：
A kind of large-sized annular block is provided and closes up localization method, is included the following steps：
Step S100, the stern ring segment of ship and intermediate ring segment are provided, the stern ring segment and the intermediate ring segment interval is made to set
Set a distance is built；
Step S200, after the described stern ring segment and the intermediate ring segment are built, the stern ring segment is made to fix, in described
Between ring segment the multiple adjustment trolleies of arranged beneath；
Step S300, multiple adjustment trolleies start to the intermediate ring segment carry out successively jacking operation, horizontal adjustment,
Adjusting of centerline, so that the intermediate ring segment is located at the first closed position；
Step S400, multiple adjustment trolley startups make the intermediate ring segment be moved towards the stern ring segment, so that institute
It states intermediate ring segment and is located at the second closed position and close up with the stern ring segment.
Close up a kind of preferred embodiment of localization method as large-sized annular block, the jacking operation is：The adjustment is small
Vehicle is by the intermediate ring segment along Z-direction jacking until the intermediate ring segment removes the outer of blocking displacement apart from ground about 100mm
Plate supports and hull bottom line style block.
A kind of preferred embodiment for closing up localization method as large-sized annular block, in the outside plate branch for removing blocking displacement
Before support and the hull bottom line style block, remaining block of the intermediate ring segment is reduced, it is 20~50mm to reduce distance.
Close up a kind of preferred embodiment of localization method as large-sized annular block, the horizontal adjustment is：The adjustment is small
Vehicle rotates the intermediate ring segment along X-axis and Y direction respectively, and makes the levelness of the intermediate ring segment and the stern ring segment
Error between levelness is not more than ± 1mm.
Close up a kind of preferred embodiment of localization method as large-sized annular block, the adjusting of centerline is：The adjustment
Trolley first rotates the intermediate ring segment along Z axis, then the intermediate ring segment is moved along Y-axis, and makes in the intermediate ring segment
The center line overlap of heart line and the stern ring segment.
Close up a kind of preferred embodiment of localization method as large-sized annular block, the step S400 includes the following steps：
Step S410, the described adjustment trolley is closed up the intermediate ring segment along X-direction in advance, determines that the adjustment is small
The displacement error of vehicle；
The intermediate ring segment is moved the first distance along X-direction by step S420, the described adjustment trolley every time, until closing up
Mouth gap is not more than second distance, measures practical displacement distance, the movement that comprehensive analysis repeatedly moves after each movement
Error, and determine motion compensation amount；
Step S430, the levelness and center line of the intermediate ring segment are checked, it is ensured that levelness and center line are in tolerance model
In enclosing；
Step S440, close up a mouthful gap described in measurement, determine the displacement distance finally closed up, be accurate to 1mm；
Step S450, according to the displacement distance finally closed up, the motion compensation amount is discharged, the adjustment trolley will
Once a mouthful gap is closed up in movement to the intermediate ring segment in place, described in inspection, and is welded to the mouth that closes up.
Close up a kind of preferred embodiment of localization method as large-sized annular block, the step S410 includes the following steps：
Step S411, the described adjustment trolley by the intermediate ring segment along X-axis close to the stern ring segment, move described every time
One distance, and practical travel distance is measured after each mobile, the displacement error of the adjustment trolley is grasped, until
Mouthful gap that closes up is not more than the second distance；
Step S412, the levelness and center line of the intermediate ring segment are checked, it is ensured that levelness and center line are in tolerance model
In enclosing；
Step S413, the described adjustment trolley continues the intermediate ring segment close to the stern ring segment along X-axis, until the conjunction
Hold together mouthful gap and is not more than third distance；
Step S414, the described adjustment trolley moves the intermediate ring segment along Z axis, make the center line of the intermediate ring segment with
The misalignment of the stern ring segment；
Step S415, the end face surplus of the intermediate ring segment is determined, surplus described in mowing；
Step S416, the described adjustment trolley moves the intermediate ring segment along Z axis, make the center line of the intermediate ring segment with
The center line of the stern ring segment overlaps；
Step S417, the described adjustment trolley moves the intermediate ring segment along X-axis far from the stern ring segment, makes described close up
Mouth gap is 2m.
Close up a kind of preferred embodiment of localization method as large-sized annular block, first distance is 500mm, described the
Two distances are 500mm, and the third distance is 50mm.
Close up a kind of preferred embodiment of localization method as large-sized annular block, the step S414 is：The adjustment is small
Vehicle moves up the intermediate ring segment along Z axis, makes the misalignment of the center line and the stern ring segment of the intermediate ring segment
5mm。
Close up a kind of preferred embodiment of localization method as large-sized annular block, the step S414 is：The adjustment is small
Vehicle moves the intermediate ring segment under Z axis, makes the misalignment of the center line and the stern ring segment of the intermediate ring segment
5mm。
The embodiment of the present invention has the beneficial effect that：It is assembled by way of closing up ship using large-scale ring segment, Ke Yiti
High cabin integrality, and effectively shorten the manufacturing cycle of ship, reduce manufacturing cost；By fixing stern ring segment, only move
Intermediate ring segment can reduce the workload of ring segment movement, promote precision when closing up；Trolley is adjusted by setting, it can be in
Between ring segment and stern ring segment close up during accurately adjust the position of intermediate ring segment, meet the essence that intermediate ring segment is closed up with stern ring segment
Degree requires.
Description of the drawings
Below according to drawings and examples, invention is further described in detail.
Fig. 1 is status diagram (be not shown adjustment trolley) of the intermediate ring segment of the present invention along Z axis to translation.
Fig. 2 is the status diagram that the intermediate ring segment of the present invention is translated along Y-axis.
Fig. 3 is the status diagram (adjustment trolley is not shown) that the intermediate ring segment of the present invention is translated along X axis.
Fig. 4 is the status diagram (adjustment trolley is not shown) that the intermediate ring segment of the present invention is rotated along Y-axis.
Fig. 5 be the present invention intermediate ring segment along Z axis to the status diagram of rotation.
Fig. 6 is the status diagram that the intermediate ring segment of the present invention is rotated along X axis.
In figure：
1, stern ring segment；2, intermediate ring segment；3, trolley is adjusted；4, rotation center.
Specific implementation mode
For make present invention solves the technical problem that, the technical solution that uses and the technique effect that reaches it is clearer, below
The technical solution of the embodiment of the present invention will be described in further detail in conjunction with attached drawing, it is clear that described embodiment is only
It is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those skilled in the art exist
The every other embodiment obtained under the premise of creative work is not made, shall fall within the protection scope of the present invention.
In the description of the present invention unless specifically defined or limited otherwise, term " connected ", " connection ", " fixation " are answered
It is interpreted broadly, for example, it may be being fixedly connected, may be a detachable connection, or is integral；Can be mechanical connection,
It can be electrical connection；It can be directly connected, can also can be indirectly connected through an intermediary the company inside two elements
Logical or two elements interaction relationship.For the ordinary skill in the art, can be understood with concrete condition above-mentioned
The concrete meaning of term in the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature the "upper" of second feature or "lower"
It may include that the first and second features are in direct contact, can also not be to be in direct contact but pass through it including the first and second features
Between other characterisation contact.Moreover, fisrt feature second feature " on ", " top " and " above " include first special
Sign is right over second feature and oblique upper, or is merely representative of fisrt feature level height and is higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " following " include fisrt feature immediately below second feature and obliquely downward, or be merely representative of
Fisrt feature level height is less than second feature.
As shown in Figures 1 to 6, a kind of large-sized annular block of offer of the embodiment of the present invention closes up localization method, including following step
Suddenly：
Step S100, the stern ring segment 1 of ship and intermediate ring segment 2 are provided, made between the stern ring segment 1 and the intermediate ring segment 2
It is built every setpoint distance；
Step S200, after the described stern ring segment 1 and the intermediate ring segment 2 are built, the stern ring segment 1 is made to fix, in institute
State the multiple adjustment trolleies of arranged beneath 3 of intermediate ring segment 2；
Step S300, multiple adjustment trolleies 3 start carries out jacking operation, horizontal tune successively to the intermediate ring segment 2
Whole, adjusting of centerline, so that the intermediate ring segment 2 is located at the first closed position；
Step S400, multiple startups of adjustment trolley 3 make the intermediate ring segment 2 be moved towards the stern ring segment 1, so that
The intermediate ring segment 2 is located at the second closed position and closes up with the stern ring segment 1.
It is assembled by way of closing up ship using large-scale ring segment, cabin integrality can be improved, and effectively shorten
The manufacturing cycle of ship reduces manufacturing cost；By fixing stern ring segment 1, only mobile intermediate ring segment 2 can reduce ring segment shifting
Dynamic workload promotes precision when closing up；Trolley 3 is adjusted by setting, can be closed up in intermediate ring segment 2 and stern ring segment 1
The accurate position for adjusting intermediate ring segment 2 in the process meets the required precision that intermediate ring segment 2 is closed up with stern ring segment 1.
The large-scale ring segment of the embodiment of the present invention is closed up is built by the way of 1+1+n, and whole ship is divided into a stern ring segment
1, block is built on an intermediate ring segment 2 (i.e. cargo hold large size ring segment) and 4 fore bodies to carry out closing up carrying.
Stern ring segment 1 and intermediate ring segment 2 are always organized on platform line in the form of always organizing general assembly, block and segmentation, stern
Ring segment 1 is as you were after completing, and intermediate ring segment 2 is built with 1 longitudinally spaced certain distance of stern ring segment, and after ring segment completion, be visible light
It is preceding to close up with stern ring segment 1 by adjusting 3 longitudinal translation of trolley.Adjustment trolley 3 be rail mounted power buggy, have synchronization of jacking up or
Decline, synchronous walking, the grouping of traversing and load or limitation function, the rotation of adjustment trolley 3 are the tops by multiple adjustment trolleies 3
Lift is from different realizations.
Close up localization method using the large-sized annular block of the embodiment of the present invention to close platform line large-sized annular block
Hold together positioning, has the advantage that：
(1), ship is built using the method that large-sized annular block closes up, cabin integrality, part can be improved
Process moves forward, and so as to shorten shipbuilding period, reduces production cost；
(2), it carries out annular block displacement using adjustment trolley 3 to close up, not limited by gantry crane lifting ability, adjustment is small
Vehicle 3 can carry out multigroup arrangement, and the weight that can be promoted is big, and the displacement that can carry out large-sized annular block is closed up, and is applicable not only to small-sized
The construction of ship, and in being suitable for, the construction of large ship, it is applied widely；
(3), the precision closed up can be efficiently controlled, required precision is met.
In a preferred embodiment of the invention, the jacking, which operates, is：The adjustment trolley 3 is by the intermediate ring
Section 2 is along Z-direction jacking until the intermediate ring segment 2 removes outside plate support and the hull bottom of blocking displacement apart from ground about 100mm
Line style block.
2 bottom of intermediate ring segment can be detached from outside plate support and hull bottom line style block by jacking operation, be moved convenient for the later stage, and
Mobile 100mm, this distance can reduce mobile difficulty while ensureing that later stage movement is smooth, and then reduce the consumption of the energy.
In the present embodiment, it before the outside plate support and the hull bottom line style block for removing blocking displacement, reduces
Remaining block of the intermediate ring segment 2, it is 20~50mm to reduce distance.It is that intermediate ring segment 2 carries in order to prevent to reduce remaining block
Preceding seat pier avoids mobile failure.
In another preferred embodiment of the present invention, the horizontal adjustment is：The adjustment trolley 3 is by the centre
Ring segment 2 is rotated along X-axis and Y direction respectively, and make the levelness of the intermediate ring segment 2 and the stern ring segment 1 levelness it
Between error be not more than ± 1mm.
As shown in fig. 6, when X-direction rotates, with the adjustment trolley 3 of the starboard side of intermediate ring segment 2 for rotation center 4, make
The adjustment trolley 3 of 2 starboard side of intermediate ring segment realizes jacking, and then intermediate ring segment 2 is made to rotate specified angle around X-axis.
The adjusting of centerline is：The adjustment trolley 3 first rotates the intermediate ring segment 2 along Z axis, then by the centre
Ring segment 2 is moved along Y-axis, and makes the center line overlap of the center line and the stern ring segment 1 of the intermediate ring segment 2.
As shown in figure 5, when intermediate ring segment 2 is rotated along Z axis, it will be on the extended line of the adjustment trolley 3 at the middle part of intermediate ring segment 2
Certain point be rotation center 4, then translate the adjustment trolley 3 of wherein one end of intermediate ring segment 2 side in the horizontal direction,
The other side translation of the adjustment trolley 3 of the other end in the horizontal direction.
As shown in Fig. 2, intermediate ring segment 2 is moved along Y-axis, all adjustment trolleies 3 are moved along the width direction of intermediate ring segment 2
It is dynamic.
It can be seen that the support to intermediate ring segment 2 and movement not only may be implemented in the adjustment trolley 3 of 2 lower section of intermediate ring segment,
The movement of the different adjustment trolleies 3 of different location or the rotation of jacking realization X-axis, Y-axis and Z-direction can also be coordinated, to adjust
The levelness and center line of whole intermediate ring segment 2.
In one embodiment of the invention, the step S400 includes the following steps：
Step S410, the adjustment trolley 3 is closed up the intermediate ring segment 2 along X-direction in advance, determines the adjustment
The displacement error of trolley 3；
Step S420, the intermediate ring segment 2 is moved the first distance along X-direction by the adjustment trolley 3 every time, until closing
Hold together mouthful gap and be not more than second distance, measures practical displacement distance, the shifting that comprehensive analysis repeatedly moves after each movement
Dynamic error, and determine motion compensation amount；
Step S430, the levelness and center line of the intermediate ring segment 2 are checked, it is ensured that levelness and center line are in tolerance model
In enclosing；
Step S440, close up a mouthful gap described in measurement, determine the displacement distance finally closed up, be accurate to 1mm；
Step S450, according to the displacement distance finally closed up, the motion compensation amount, the adjustment trolley 3 are discharged
By the intermediate ring segment 2, once a mouthful gap is closed up in movement in place, described in inspection, and is welded to the mouth that closes up.
Close up step in advance by setting, can accurately find out the displacement error of adjustment trolley 3, and then obtains accurate movement
Compensation rate, for it is subsequent it is final close up an accurate data basis is provided, guarantee finally closes up precision.
It refers to position between intermediate ring segment 2 and stern ring segment 1 to close up mouth, and it refers to intermediate ring segment 2 and stern ring segment 1 to close up a mouthful gap
The distance between.
In the present embodiment, the step S410 includes the following steps：
Step S411, the adjustment trolley 3 by the intermediate ring segment 2 along X-axis close to the stern ring segment 1, move institute every time
The first distance is stated, and practical travel distance is measured after each mobile, grasps the movement of the adjustment trolley 3 accidentally
Difference, until mouthful gap that closes up is not more than the second distance；
Step S412, the levelness and center line of the intermediate ring segment 2 are checked, it is ensured that levelness and center line are in tolerance model
In enclosing；
Step S413, the described adjustment trolley 3 continues the intermediate ring segment 2 close to the stern ring segment 1 along X-axis, until institute
It states and closes up mouthful gap no more than third distance；
Step S414, the adjustment trolley 3 moves the intermediate ring segment 2 along Z axis, makes the center of the intermediate ring segment 2
The misalignment of line and the stern ring segment 1；
Step S415, the end face surplus of the intermediate ring segment 2 is determined, surplus described in mowing；
Step S416, the adjustment trolley 3 moves the intermediate ring segment 2 along Z axis, makes the center of the intermediate ring segment 2
Line is overlapped with the center line of the stern ring segment 1；
Step S417, the described adjustment trolley 3 moves the intermediate ring segment 2 along X-axis far from the stern ring segment 1, makes described
It is 2m to close up mouthful gap.
By setting the movement closed up in advance and finally closed up to identical first distance, it is ensured that the shifting closed up in advance
The motion compensation amount that dynamic error calculation comes out can apply to finally close up, and then ensure the precision finally closed up.
In the present embodiment, first distance is 500mm, and the second distance is 500mm, and the third distance is
50mm。
In another embodiment of the invention, the step S414 is：The adjustment trolley 3 is by the intermediate ring segment 2 along Z
Axis moves up, and makes the misalignment 5mm of the center line and the stern ring segment 1 of the intermediate ring segment 2.
In other embodiments, the step S414 is：The adjustment trolley 3 moves down the intermediate ring segment 2 along Z axis
It is dynamic, make the misalignment 5mm of the center line and the stern ring segment 1 of the intermediate ring segment 2.
Misalignment setting is to close up the stage pre- and accurately draw surplus and cutting surplus.
In the specific embodiment of the present invention, this large-sized annular block closes up localization method and includes the following steps：
Step S10, intermediate ring segment 2 is jacked liftoff 100mm by adjustment trolley 3, removes outside plate support and the ship of blocking displacement
Other blocks are reduced by 20~50mm, intermediate ring segment 2 are avoided to sit pier in advance by base-line type block；
Step S20, adjustment trolley 3 carries out X-axis rotation to intermediate ring segment 2 and Y-axis rotates, with the water of ring segment 2 among adjustment
Pingdu；
Step S30, adjustment trolley 3 carries out Z axis rotation to intermediate ring segment 2 and Y-axis translates, in ring segment 2 among adjustment
Heart line；
Step S40, adjustment trolley 3 carries out X to translation to intermediate ring segment 2, and intermediate ring segment 2 is moved and leans on stern ring segment 1, each row
It walks 500mm, and practical travel distance is measured after each walking, grasp error amount of walking, between running to and closing up mouth
Gap about 500mm；
Step S50, checking ensures center line, levelness in the margin of tolerance；Inspection close up Ship Structure at mouth, outfititem,
Scaffold spacing, it is ensured that intermediate ring segment 2 will not occur top and touch after drawing close；
Step S60, final step, which is run to, closes up mouthful gap about 50mm, and check again ensures center line with levelness in public affairs
After poor range, intermediate ring segment 2 is reduced to about 5mm higher than stern ring segment 1；
Step S70, it determines end face surplus by checking line, closing up mouthful gap etc., and carries out local surplus mowing；It beats simultaneously
The block in the flat region of ring segment of tight interlude, and the support of an outside plate high position is put in place；
Step S80, after surplus mowing, intermediate ring segment 2 is adjusted trolley 3 and jacks up 50mm, and it is reversed then to adjust trolley 3
It runs to and closes up mouthful gap about 2m；
Step S90, adjustment trolley 3 is walked, and intermediate ring segment 2 is drawn close to stern ring segment 1 again, and walk 500mm every time, Zhi Dao
It runs to three times and closes up mouthful gap about 500mm, need to measure practical travel distance after walking every time, comprehensive analysis is walked three times
Error takes reasonable value as walking compensation rate；
Step S100, check ensures center line, level value in the margin of tolerance, measures comprehensively and closes up a mouthful gap, considers slope
Mouth determines final step travel distance behind gap, is accurate to 1mm；
Step S110, according to determining travel distance, after discharging walking compensation rate, the walking of finally commander's adjustment trolley 3 will
2 one step of intermediate ring segment translates in place, and a mouthful gap is closed up in inspection, such as overproof, repeats step S80 to step 110；
Step S120, such as close up a mouthful gap to meet the requirements, intermediate ring segment 2 is declined and sits pier, urgent all blocks tighten height
Then position support adjusts the unloading of trolley 3 about 2/3, check and record location data；
Step S130, close up mouth and burn load row, tack welding；
Step S140, adjustment trolley 3 unloads.
In description herein, it is to be understood that the orientation or positional relationships such as term "upper" are based on ... shown in the drawings
Orientation or positional relationship is merely for convenience of describing and simplifying operation, does not indicate or imply the indicated device or element must
There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In the description of this specification, the description of reference term " embodiment " etc. means the specific spy in conjunction with the embodiment
Sign, structure, material or feature are included at least one embodiment or example of the invention.In the present specification, to above-mentioned
The schematic representation of term is not necessarily referring to identical embodiment.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this narrating mode of specification is only to understand that device, those skilled in the art should
It considers the specification as a whole, the technical solutions in the embodiments can also be appropriately combined, and forming those skilled in the art can
With the other embodiment of understanding.
The technical principle of the present invention is described above in association with specific embodiment.These descriptions are intended merely to explain the present invention's
Principle, and it cannot be construed to limiting the scope of the invention in any way.Based on the explanation herein, the technology of this field
Personnel would not require any inventive effort the other specific implementation modes that can associate the present invention, these modes are fallen within
Within protection scope of the present invention.
Claims (10)
1. a kind of large-sized annular block closes up localization method, which is characterized in that include the following steps：
Step S100, the stern ring segment of ship and intermediate ring segment are provided, make the stern ring segment and the intermediate ring segment interval setting away from
From construction；
Step S200, after the described stern ring segment and the intermediate ring segment are built, the stern ring segment is made to fix, in the intermediate ring
The multiple adjustment trolleies of arranged beneath of section；
Step S300, multiple adjustment trolley startups carry out jacking operation, horizontal adjustment, center successively to the intermediate ring segment
Line adjusts, so that the intermediate ring segment is located at the first closed position；
Step S400, multiple adjustment trolley startups make the intermediate ring segment be moved towards the stern ring segment, so that in described
Between ring segment be located at the second closed position and close up with the stern ring segment.
2. large-sized annular block according to claim 1 closes up localization method, which is characterized in that the jacking, which operates, is：
The adjustment trolley is by the intermediate ring segment along Z-direction jacking until the intermediate ring segment apart from ground about 100mm, removes resistance
The outside plate support of gear displacement and hull bottom line style block.
3. large-sized annular block according to claim 2 closes up localization method, which is characterized in that removing blocking displacement
Before outside plate support and the hull bottom line style block, reduce remaining block of the intermediate ring segment, reduce distance for 20~
50mm。
4. large-sized annular block according to claim 1 closes up localization method, which is characterized in that the horizontal adjustment is：
The adjustment trolley rotates the intermediate ring segment along X-axis and Y direction respectively, and makes levelness and the institute of the intermediate ring segment
The error stated between the levelness of stern ring segment is not more than ± 1mm.
5. large-sized annular block according to claim 1 closes up localization method, which is characterized in that the adjusting of centerline
For：The adjustment trolley first rotates the intermediate ring segment along Z axis, then the intermediate ring segment moved along Y-axis, and make it is described in
Between ring segment center line and the stern ring segment center line overlap.
6. large-sized annular block according to claim 1 closes up localization method, which is characterized in that the step S400 includes
Following steps：
Step S410, the described adjustment trolley is closed up the intermediate ring segment along X-direction in advance, determines the adjustment trolley
Displacement error；
The intermediate ring segment is moved the first distance along X-direction by step S420, the described adjustment trolley every time, until closing up between mouth
Gap is not more than second distance, after each movement the practical displacement distance of measurement, the displacement error that comprehensive analysis repeatedly moves,
And determine motion compensation amount；
Step S430, the levelness and center line of the intermediate ring segment are checked, it is ensured that levelness and center line are in the margin of tolerance；
Step S440, close up a mouthful gap described in measurement, determine the displacement distance finally closed up, be accurate to 1mm；
Step S450, according to the displacement distance finally closed up, the motion compensation amount is discharged, the adjustment trolley will be described
Once a mouthful gap is closed up in movement to intermediate ring segment in place, described in inspection, and is welded to the mouth that closes up.
7. large-sized annular block according to claim 6 closes up localization method, which is characterized in that the step S410 includes
Following steps：
Step S411, the described adjustment trolley by the intermediate ring segment along X-axis close to the stern ring segment, move every time described first away from
From, and practical travel distance is measured after each mobile, the displacement error of the adjustment trolley is grasped, until described
Close up mouthful gap and is not more than the second distance；
Step S412, the levelness and center line of the intermediate ring segment are checked, it is ensured that levelness and center line are in the margin of tolerance；
Step S413, the described adjustment trolley continues the intermediate ring segment close to the stern ring segment along X-axis, until described close up mouth
Gap is not more than third distance；
Step S414, the described adjustment trolley moves the intermediate ring segment along Z axis, make the center line of the intermediate ring segment with it is described
The misalignment of stern ring segment；
Step S415, the end face surplus of the intermediate ring segment is determined, surplus described in mowing；
Step S416, the described adjustment trolley moves the intermediate ring segment along Z axis, make the center line of the intermediate ring segment with it is described
The center line of stern ring segment overlaps；
Step S417, the described adjustment trolley moves the intermediate ring segment along X-axis far from the stern ring segment, makes described close up between mouth
Gap is 2m.
8. large-sized annular block according to claim 7 closes up localization method, which is characterized in that first distance is
500mm, the second distance are 500mm, and the third distance is 50mm.
9. large-sized annular block according to claim 7 closes up localization method, which is characterized in that the step S414 is：
The adjustment trolley moves up the intermediate ring segment along Z axis, makes the center line of the intermediate ring segment and the stern ring segment
Misalignment 5mm.
10. large-sized annular block according to claim 7 closes up localization method, which is characterized in that the step S414 is：
The adjustment trolley moves the intermediate ring segment under Z axis, makes in center line and the stern ring segment of the intermediate ring segment
Heart line dislocation 5mm.
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| CN108773457B (en) | 2020-04-21 |
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Application publication date: 20181109 Assignee: Guangzhou Wenchong Shipbuilding Co.,Ltd. Assignor: Guangzhou Shipyard International Co.,Ltd. Contract record no.: X2021440000208 Denomination of invention: A closing and positioning method for large annular total section Granted publication date: 20200421 License type: Common License Record date: 20211116 |
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