CN112092989A - Immersed tube bearing device and positioning and mounting method thereof - Google Patents
Immersed tube bearing device and positioning and mounting method thereof Download PDFInfo
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- CN112092989A CN112092989A CN202011006640.5A CN202011006640A CN112092989A CN 112092989 A CN112092989 A CN 112092989A CN 202011006640 A CN202011006640 A CN 202011006640A CN 112092989 A CN112092989 A CN 112092989A
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- 238000000034 method Methods 0.000 title claims abstract description 38
- 238000009966 trimming Methods 0.000 claims description 5
- 238000012544 monitoring process Methods 0.000 claims description 4
- 230000035939 shock Effects 0.000 claims description 4
- 230000007423 decrease Effects 0.000 claims description 3
- 238000013461 design Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 description 21
- 210000001503 joint Anatomy 0.000 description 14
- 230000011218 segmentation Effects 0.000 description 6
- 238000003466 welding Methods 0.000 description 6
- 238000013016 damping Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- QFXZANXYUCUTQH-UHFFFAOYSA-N ethynol Chemical group OC#C QFXZANXYUCUTQH-UHFFFAOYSA-N 0.000 description 1
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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
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
- B63B35/03—Pipe-laying vessels
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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
- B63B25/00—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby
- B63B25/24—Means for preventing unwanted cargo movement, e.g. dunnage
-
- 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
- B63B73/10—Building or assembling vessels from prefabricated hull blocks, i.e. complete hull cross-sections
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
- B63C5/00—Equipment usable both on slipways and in dry docks
- B63C5/02—Stagings; Scaffolding; Shores or struts
- B63C5/04—Bilge or keel blocks
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- Ocean & Marine Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
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Abstract
The invention discloses a immersed tube supporting device and a positioning and installing method thereof, wherein the immersed tube supporting device comprises a plurality of buttresses arranged on different segmented hulls at the bottom of a ship, each buttress comprises a buttress body and a panel, one end of each buttress body is fixed on the segmented hulls, and the panels are fixedly arranged at the other ends of the buttress bodies; a plurality of grooves corresponding to the buttresses are reserved on the immersed tube, the buttresses are inserted into the grooves, and the panels of the buttresses are abutted to the bottoms of the grooves in a matching manner; the immersed tube is also tied with a binding band for fixing the immersed tube. The immersed tube supporting device and the positioning and mounting method thereof enable the ship and the immersed tube to be accurately butted and positioned, and avoid the risk of slippage, dislocation and movement in the process of immersed tube transportation.
Description
Technical Field
The invention relates to the technical field of ship transportation immersed tubes, in particular to an immersed tube bearing device and a positioning and mounting method thereof.
Background
The large-scale submarine tunnel immersed tube has larger transportation difficulty and more technical content due to larger volume and heavier weight, and the ship is easy to slide and dislocate when transporting the large-scale immersed tube. In order to increase the butt joint matching degree and the tightness of a transport ship and an immersed tube and avoid the risk caused by slippage and dislocation in the transport process, the method for binding and fastening the immersed tube and the ship is adopted in the prior art, but the method still has the risk of slippage, dislocation and movement in the transport process of the immersed tube because the ship and the immersed tube are not in butt joint positioning.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a sinking pipe bearing device to solve the technical problem that the ship and the sinking pipe in the prior art are not butted and positioned, so that the sinking pipe still has the risk of slippage, dislocation and movement in the transportation process; another object of the present invention is to provide a method for positioning and installing a sinking pipe.
In order to achieve the aim, the invention provides a immersed tube receiving device which comprises a plurality of buttresses arranged on different segmented hulls at the bottom of a ship, wherein each buttress comprises a buttress body and a panel, one end of each buttress body is fixed on the segmented hulls, and the panels are fixedly arranged at the other ends of the buttress bodies;
a plurality of grooves corresponding to the buttresses are reserved on the immersed tube, the buttresses are inserted in the grooves, and the face plates of the buttresses are abutted to the bottoms of the grooves in a matching manner;
and the sinking pipe is also bundled with a binding band for fixing the sinking pipe.
Preferably, the buttresses have eight buttresses with the same structure, the eight buttresses are arranged in two opposite directions, and the two opposite buttresses are positioned on the same segmented hull.
Preferably, the buttress body comprises a columnar base and a boss arranged on the base, and the panel is arranged at the end part of the boss far away from the base;
the radial dimension of the boss gradually decreases from the base to the face plate.
Preferably, a shock pad is arranged on the surface of the panel, which is abutted to the groove.
Preferably, the radial section of the boss is circular or triangular or polygonal.
A immersed tube positioning and mounting method of the immersed tube bearing device comprises the following steps:
s1, fixing the buttress bodies at the bottom of the segmented ship body in a pairwise opposite manner in the process of constructing the ship body in a segmented mode;
s2, connecting each segmented ship body to form a ship, detecting the positioning accuracy of the buttress bodies, and determining the height and the front and rear positions of the panel;
s3, arranging a plurality of monitoring points on the panel, and fixing the panel to the other end of the buttress body after trimming the panel;
s3, arranging a groove on the immersed tube opposite to the buttress, and arranging the immersed tube at the bottom of the ship to enable the groove and the immersed tube to be correspondingly matched and installed;
and S4, arranging a binding band for binding the immersed tube on the ship.
Preferably, in step S1, the eight buttresses are provided, and the eight buttresses are arranged in a row in a pairwise opposite manner, wherein a stack of the buttresses on the left side is arranged on the first segmental hull, four buttresses in the middle are arranged on the second segmental hull, and two buttresses on the right side are arranged on the third segmental hull.
Preferably, in step S2, a total station is used to start to position the height, front, back, left and right positions of the 8 buttress plates according to the design requirement based on the positioning base points with 3 dimensions in the ship dock.
Preferably, in step S3, if the panel and the buttress are deviated and the positioning of the panel is not corrected by adjustment, the toggle plate is added to avoid the bolt hole position.
Preferably, in step S2, a shock pad is disposed on a surface of the panel abutting against the groove.
Compared with the prior art, the invention has the beneficial effects that:
the immersed tube adapting device comprises a plurality of buttresses arranged on different segmented ship bodies at the bottom of a ship, wherein each buttress comprises a buttress body and a panel, one end of each buttress body is fixed on the segmented ship body, and the panel is fixedly arranged at the other end of each buttress body; a plurality of grooves corresponding to the buttresses are reserved on the immersed tube, the buttresses are inserted into the grooves, and the panels of the buttresses are butted at the bottoms of the grooves in a matching manner; the sinking pipe is also tied with a tying rope for fixing the sinking pipe. The immersed tube sets up in the boats and ships bottom, and the recess of immersed tube is pegged graft with the corresponding matching of buttress for the left and right sides and the front and back position of location immersed tube utilize the bandage fixed with immersed tube and boats and ships simultaneously, and the position of direction about the restriction immersed tube makes boats and ships and immersed tube carry out accurate butt joint location, avoids appearing the risk that the dislocation removed slides in the immersed tube transportation.
The invention relates to a immersed tube positioning and mounting method, which comprises the following steps that firstly, in the process of building a ship body in a subsection mode, every two buttress bodies are oppositely fixed at the bottom of the ship body in the subsection mode; then determining the height and the front-back position of the panel, and fixing the panel to the other end of the buttress body; a groove is arranged on the immersed tube at a position opposite to the buttress, and the immersed tube is arranged at the bottom of the ship so that the groove and the immersed tube are correspondingly matched and installed; and a binding band for binding the immersed tube is arranged on the ship. The invention not only arranges the binding belt for binding and fastening, but also adds the pipe ship butt joint device with the buttress and the groove, so that the tenon and mortise work of the pipe ship butt joint device are combined together, and the reliable positioning is ensured.
When a ship pipe butt joint mortise-tenon structure is carried out, a concave-convex clamping groove mode is generally adopted, 8 grooves 3.3 m X3.3 m are arranged on more than 100m immersed pipes at intervals, the immersed pipes are lifted by a ship lifting system to be clamped on 8 buttresses of a ship span beam for limiting, then binding and fixing are carried out, in order to ensure the accuracy of butt joint of the immersed pipe grooves and the ship buttresses and reduce the influence of butt joint errors on uneven stress of the immersed pipes and the ship, higher requirements are put forward on the installation accuracy of the buttresses and the immersed pipes, each of the 8 buttresses is about 2m X2 m X2.5 m in shape, each buttresses weighs several tons and is hung upside down on the span beam, if a method of installing 8 buttresses in a positioning mode in a dock after the ship is formed is adopted, the hidden troubles of high installation difficulty and poor positioning accuracy are caused, the method of firstly installing the buttresses body when the ship is manufactured in a subsection mode, and then installing a panel to verify the accuracy after the ship is formed is, the installation difficulty can be reduced, and the efficiency is improved; the installation panel is positioned in the dock, so that the installation difficulty is simplified, and the difficult problems of large weight of the buttress, high positioning precision and large installation difficulty are solved.
Drawings
FIG. 1 is a schematic view of the structure of the sinking pipe receiving device of the present invention at the bottom of a ship;
FIG. 2 is a schematic structural view of a buttress;
FIG. 3 is a schematic structural view of panel offset repair;
FIG. 4 is a schematic diagram of measuring the location accuracy of a buttress using a total station;
fig. 5 is a schematic structural view of the installation of the sinking pipe and the ship of the present application.
In the figure, 1, buttress; 11. a buttress body; 111. a base; 112. a boss; 12. a panel; 2. sinking the pipe; 3. a toggle plate; 4. a first segmented hull; 5. a second segmented hull; 6. a third segmented hull; 7. a vibration damping pad.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "top", "bottom", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referenced devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus, are not to be construed as limiting the present invention. It should be understood that the terms "first", "second", etc. are used herein to describe various information, but the information should not be limited to these terms, which are only used to distinguish one type of information from another. For example, a "first" information may also be referred to as a "second" information, and similarly, a "second" information may also be referred to as a "first" information without departing from the scope of the present invention.
The immersed tube adapting device comprises a plurality of buttresses 1 arranged on different segmented hulls at the bottom of a ship, wherein each buttress 1 comprises a buttress body 11 and a panel 12, one end of each buttress body 11 is fixed on the segmented hulls, and the panel 12 is fixedly arranged at the other end of each buttress body 11; a plurality of grooves corresponding to the buttresses 1 are reserved on the immersed tube, the buttresses 1 are inserted in the grooves, and the panels 12 of the buttresses are butted at the bottoms of the grooves in a matching manner; the sinking pipe 2 is also tied with a binding rope for fixing the sinking pipe 2. Immersed tube 2 sets up in boats and ships bottom, and the recess of immersed tube 2 is pegged graft with the corresponding matching of buttress for the left and right sides and the front and back position of location immersed tube 2 utilize the bandage to fix immersed tube 2 and boats and ships simultaneously, and the position of direction about the restriction immersed tube 2 makes boats and ships carry out accurate butt joint location with immersed tube 2, avoids appearing the risk that the dislocation removed slides in the 2 transportation of immersed tube.
Specifically, the buttress of this application has eight that the structure is the same, and eight buttress bodies 11 two liang of opposite are the horizontal row setting, and wherein a pile of buttress setting is on first segmentation hull, and four buttresses in the middle of setting are on second segmentation hull, and two buttresses on right side set up on third segmentation hull. The method that the buttress body 11 is installed firstly when the ship is manufactured in sections, and the panel 12 is installed after the ship is formed to remove the certification precision is adopted, so that the installation difficulty can be reduced, and the efficiency can be improved; the installation panel 12 is positioned in the dock, so that the installation difficulty is simplified, and the problems of heavy weight of the buttress, high positioning precision and high installation difficulty are solved.
The buttress body 11 comprises a columnar base 111 and a boss 112 arranged on the base, and the panel 12 is arranged at the end part of the boss far away from the base; the radial dimension of the boss gradually decreases from the base to the face plate 12, and the radial section of the boss is circular, triangular or polygonal. The size of boss reduces gradually, can be convenient for the installation of buttress and recess match, the cartridge location of being convenient for.
Wherein, the surface of the panel 12 which is abutted against the groove is provided with a damping pad 7, so that the collision between the panel 12 of the buttress and the ship is avoided.
Further, if the panel 12 is deviated from the rest and the adjustment of the panel 12 to position the panel is difficult to correct, the toggle plate 3 may be added so that the added toggle plate 3 avoids the bolt hole position.
An embodiment of a method for positioning and installing immersed tubes of an immersed tube supporting device is provided, the structure of the immersed tube supporting device is the same as that of the immersed tube supporting device, and the method for positioning and installing the immersed tubes comprises the following specific steps:
s1, fixing the buttress bodies 11 at the bottom of the segmented ship body in a pairwise opposite manner in the process of constructing the ship body in a segmented mode; buttress 1 is provided with eight, and eight buttress bodies 11 are two liang of relative row settings that are, and wherein a pile of buttress setting is on first segmentation hull 4, and four buttress 1 in the middle set up on second segmentation hull 5, and two buttress 1 settings on right side are on third segmentation hull 6, three span beam promptly. In order to facilitate installation, when the buttress body 11 is manufactured in a segmented mode, the inverted construction segment is adopted to directly strengthen and install the buttress body 11 in place, precision control is well done, a positioning base point is well set, and the buttress panel 12 adopts a zero-time spot welding later-period adjusting method to finish the integral construction work of the segmented hull and the buttress body 11.
S2, connecting the segmented hulls to form a ship, positioning the total assembly segments according to positioning base points set by the segments when the segmented hulls are carried, positioning the carrying precision of the cross beam segments by using a total station, reasonably trimming and cutting closure plate seams according to precision data, completing the closure forming work of the hulls, and ensuring the controllable precision of the total hull; detecting the positioning accuracy of the plurality of buttress bodies 11, and determining the height and the front and back positions of the panel 12; the method comprises the following steps that a total station is adopted, the height, front, back, left and right positions of 8 buttress panels 12 are positioned according to design requirements according to positioning base points of 3 dimensions in a ship dock, and when the total station is adopted for monitoring specifically, in order to avoid the accumulation of relative errors of 8 buttresses, one of two columns close to the middle in the 8 buttresses is set as an initial detection point for the first positioning buttress.
S3, to ensure the flatness of the face plate 12, each buttress face plate 12 needs to be provided with 4 equal-point monitors, and the face plate 12 is fixed to the other end of the buttress body 11 after trimming the face plate 12.
S3, arranging a groove on the immersed tube 2 opposite to the buttress, arranging the immersed tube 2 at the bottom of the ship and correspondingly installing the groove and the immersed tube 2 in a matching way; during specific installation, a 100mm gap is reserved between each buttress and the single side of the groove and used for locking the wedge blocks, in order to guarantee the butt joint precision, when floating transportation of the immersed tube 2 caused by poor contact is avoided, the structural strength is influenced by local stress concentration, the deviation of the horizontal distance between the buttresses is required to be not more than 20mm, and the height difference of the lower surface between the buttresses is not more than 2mm and is basically horizontal.
And S4, arranging a binding band for binding the immersed tube 2 on the ship.
In step S2, if it is found that the partial panel 12 and the buttress body 11 are deviated and the positioning is difficult to correct by adjusting the panel 12, the strength of the panel 12 can be improved by increasing the toggle plate, and the toggle plate can be increased to avoid the bolt hole position. After the welding work of the panel 12 is finished, the magnetic drill is used for drilling holes, the vibration damping pad is installed through bolts, and finally the positioning and installation work of the buttress is finished. The vibration damping pad is a rubber pad.
In the invention, in order to ensure the positioning and installation accuracy of the immersed tube 2, a total station is adopted for monitoring in the positioning and installation process of the ship and the immersed tube 2, and the total station has the functions of ranging, recording and difference value comparison.
Specifically, when ships are lapped, positioning reference points in the length direction, the width direction and the height direction are respectively determined on a dock bottom, a dock back wall and a dock side wall in a dock of the ships and are used as carrying permanent marks, coordinate data in the length direction, the width direction and the height direction are recorded by a total station, two groups of data extend to the other side along the trend, and planes in the X \ Y \ Z directions are formed and are used as ship carrying reference surfaces. When long-distance inconvenient measurement observation is carried out, data equivalent conversion can be carried out on the positioning datum point by using a total station, the positioning datum point extends to a dock bottom, a dock back wall and a dock side wall close to an observation position to serve as coordinate datum locating points carried in a later period, when the ship body is built, the length, the width and the height of a first main section are adjusted and located by using the positioning datum in the dock and combining the positioning datum of the main sections of the ship body according to a corresponding positioning coordinate difference, the first main section is well located, then the follow-up main sections are located according to the same method, allowance is left among the main sections, trimming and cutting are carried out during location, and finally welding and forming are carried out.
When the hull section is manufactured, the buttress structure frame is already installed on the corresponding section, and the panel 12 is also initially tack-welded on the buttress body 11. After the hull structure is formed and the main equipment is in place, the panel 12 can be positioned and installed. In order to enable the mutual distance and the end surface height difference of the 8 buttress to be within a qualified range, the following steps are specifically adopted:
the method for positioning the mutual distance of 8 buttresses comprises the following steps: taking two points on the length-width central line of each buttress respectively, measuring and recording by using a total station, respectively making difference values with positioning coordinates in the length direction and the width direction, calculating the distance in the length direction and the width direction to compare with the theoretical distance, taking down the panel 12 if the error is large, repositioning the panel 12 according to the error condition, and retesting again, repeating the steps until any two of the distances in the length direction and the width direction are not more than 20mm, and being qualified.
The height difference positioning method comprises the following steps: selecting 4 measuring points on each buttress panel 12, using a full station instrument to measure and record, respectively making difference values with the positioning coordinates in the height direction, determining height difference fluctuation, if the height difference is out of tolerance, taking down the panel 12, using an oxyacetylene knife to modify the buttress frame structure, then returning the tack welding panel 12 for retesting, repeating the steps until the height difference of 8 buttress panels 12 is not more than 5mm, and after the panels are in a qualified range, uniformly welding.
After welding, a record report is measured, the rubber block is used for hole matching and dividing of the bolt hole, the magnetic drill is used for drilling, and then the rubber block is installed on the buttress panel 12 through the bolt
The invention relates to a immersed tube positioning and mounting method, which comprises the following steps that firstly, in the process of building a ship body in a subsection mode, every two buttress bodies 11 are oppositely fixed at the bottom of the ship body in the subsection mode; then determining the height and the front-rear position of the panel 12, fixing the panel 12 to the other end portion of the buttress body 11; a groove is arranged on the immersed tube at a position opposite to the buttress, and the immersed tube 2 is arranged at the bottom of the ship so that the groove and the immersed tube 2 are correspondingly matched and installed; and a binding band for binding the immersed tube 2 is arranged on the ship. The invention not only arranges the binding band for binding and fastening, but also adds the pipe ship butt joint device with the buttress and the groove, so that the tenon and mortise work of the pipe ship are combined together, and the reliable positioning is ensured.
When a ship pipe butt joint mortise-tenon structure is carried out, a concave-convex clamping groove mode is generally adopted, 8 grooves 3.3 m X3.3 m are arranged on 100m immersed pipes 2 at intervals, the immersed pipes 2 are lifted by a ship lifting system to be clamped on 8 buttresses of a ship span beam for limiting, then binding and fixing are carried out, in order to ensure the accuracy of butt joint of the immersed pipes 2 grooves and the ship buttresses and reduce the influence of butt joint error on uneven stress of the immersed pipes 2 and the ship, higher requirements are provided for the installation accuracy of the buttresses and the immersed pipes 2, each of the 8 buttresses is about 2m, 2m and 2.5 m in appearance, each buttresses is several tons and is hung upside down on the span beam, if a method of positioning and installing 8 buttresses in a dock after ship forming is adopted, the hidden danger of high installation difficulty and poor positioning accuracy is caused, the method that a buttress body 11 and a ship body are installed at first while the ship is manufactured in a subsection mode, The method for installing the panel 12 after the ship is formed to remove the certification precision can reduce the installation difficulty and improve the efficiency; the panel 12 is positioned and installed in the dock, so that the installation difficulty is simplified, and the problems of heavy weight of the buttress, high positioning precision and high installation difficulty are solved.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (10)
1. A immersed tube adapting device is characterized by comprising a plurality of buttresses arranged on different segmented hulls at the bottom of a ship, wherein each buttress comprises a buttress body and a panel, one end of the buttress body is fixed on the segmented hulls, and the panel is fixedly arranged at the other end of the buttress body;
a plurality of grooves corresponding to the buttresses are reserved on the immersed tube, the buttresses are inserted into the grooves, and the panels of the buttresses are abutted to the bottoms of the grooves in a matching manner;
and the sinking pipe is also bundled with a binding band for fixing the sinking pipe.
2. The apparatus of claim 1 wherein said piers have eight identical structures, said eight piers being arranged in pairs opposite each other with two opposite piers on the same segmented hull.
3. The immersed tube receiving device according to claim 1, wherein the buttress body comprises a columnar base and a boss arranged on the base, and the panel is arranged at the end part of the boss far away from the base;
the radial dimension of the boss gradually decreases from the base to the face plate.
4. A sinking pipe receiving apparatus according to claim 3 wherein a shock pad is provided on the face of the deck abutting the recess.
5. A sink receiving apparatus according to claim 3, wherein said boss is circular, triangular or polygonal in radial cross-section.
6. A method of positioning and installing a immersed tube in an immersed tube receiving device according to any one of claims 1 to 5, comprising the steps of:
s1, fixing the buttress bodies at the bottom of the segmented ship body in a pairwise opposite manner in the process of constructing the ship body in a segmented mode;
s2, connecting each segmented ship body to form a ship, detecting the positioning accuracy of the buttress bodies, and determining the height and the front and rear positions of the panel;
s3, arranging a plurality of monitoring points on the panel, and fixing the panel to the other end of the buttress body after trimming the panel;
s3, arranging a groove on the immersed tube opposite to the buttress, and arranging the immersed tube at the bottom of the ship to enable the groove and the immersed tube to be correspondingly matched and installed;
and S4, arranging a binding band for binding the immersed tube on the ship.
7. The method of claim 6, wherein in step S1, the piers are provided with eight pier bodies, two of which are arranged in a row opposite to each other, wherein the left pier is arranged on the first hull, the middle four piers are arranged on the second hull, and the right two piers are arranged on the third hull.
8. The method for positioning and installing the immersed tube according to claim 6, wherein in step S2, a total station is adopted to start positioning the height, front, back, left and right positions of 8 pier panels according to the design requirement according to the positioning base points with 3 dimensions in the ship dock.
9. The method for positioning and installing the immersed tube according to claim 6, wherein in step S3, if the panel and the buttress deviate and the positioning of the panel is difficult to correct by adjusting, the toggle plate is added, and the added toggle plate avoids the position of the bolt hole.
10. The method of claim 6, wherein step S2, a shock pad is disposed on the surface of the panel abutting the groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202011006640.5A CN112092989A (en) | 2020-09-23 | 2020-09-23 | Immersed tube bearing device and positioning and mounting method thereof |
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| CN202011006640.5A CN112092989A (en) | 2020-09-23 | 2020-09-23 | Immersed tube bearing device and positioning and mounting method thereof |
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| CN112092989A true CN112092989A (en) | 2020-12-18 |
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| CN113502854A (en) * | 2021-07-30 | 2021-10-15 | 中船黄埔文冲船舶有限公司 | Docking leaning frame tool and docking method for immersed tunnel steel shell |
| WO2022135606A1 (en) * | 2021-04-23 | 2022-06-30 | 中交第一航务工程局有限公司 | Semi-submersible-type immersed tube transportation and mounting integrated ship and construction process |
| CN115057369A (en) * | 2022-08-18 | 2022-09-16 | 山东金科星机电股份有限公司 | Hoisting equipment for installing offshore wind turbine and installation method |
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| JP7291302B2 (en) | 2021-04-23 | 2023-06-14 | 中交第一航▲務▼工程局有限公司 | Semi-submersible submersible box transport installation integrated ship and construction process |
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| CN115057369A (en) * | 2022-08-18 | 2022-09-16 | 山东金科星机电股份有限公司 | Hoisting equipment for installing offshore wind turbine and installation method |
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