CN109895945B - Longitudinal and transverse bulkhead pre-assembling method for ore sand ship side block - Google Patents
Longitudinal and transverse bulkhead pre-assembling method for ore sand ship side block Download PDFInfo
- Publication number
- CN109895945B CN109895945B CN201910262717.6A CN201910262717A CN109895945B CN 109895945 B CN109895945 B CN 109895945B CN 201910262717 A CN201910262717 A CN 201910262717A CN 109895945 B CN109895945 B CN 109895945B
- Authority
- CN
- China
- Prior art keywords
- bulkhead
- longitudinal
- sheet body
- welding
- transverse
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- 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
- B63B25/02—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods
- B63B25/04—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods solid
-
- 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
- B63B73/20—Building or assembling prefabricated vessel modules or parts other than hull blocks, e.g. engine rooms, rudders, propellers, superstructures, berths, holds or tanks
-
- 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
- B63B73/40—Building or assembling vessels or marine structures, e.g. hulls or offshore platforms characterised by joining methods
- B63B73/43—Welding, e.g. laser welding
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Revetment (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention discloses a method for pre-assembling longitudinal and transverse bulkheads of a side main section of an ore sand ship, which pre-assembles a longitudinal bulkhead section and a middle transverse bulkhead section and then carries out the main assembly. The invention can carry out pre-assembly welding and assembly operation by the existing tooling equipment, does not need hydraulic vehicle cooperation, reduces the hoisting and positioning time, reduces the construction difficulty, greatly improves the total assembly efficiency and greatly improves the safety at the same time.
Description
Technical Field
The invention relates to the field of ship construction, in particular to a method for pre-assembling longitudinal and transverse bulkheads of a side block of a sand ship.
Background
The ore carrier side general section comprises a bottom outer plate section 1, a bilge outer plate section 2, a side outer plate section 3, a side transverse bulkhead section 4, a longitudinal bulkhead section 5 and a middle transverse bulkhead section 6, wherein the longitudinal bulkhead section 5 comprises a longitudinal bulkhead 51 and a sheet body assembly 52, the general assembly state diagram is shown in figure 1, and the general assembly sequence is as follows:
(1) installing the bottom: welding the bottom outer plate segment 1 and the bilge outer plate segment 2;
(2) mounting the side: welding the side outer plate segment 3 with the bilge outer plate segment 2;
(3) mounting the side transverse bulkhead: welding the side cross bulkhead segment 4 with the side outer plate segment 3;
(4) installing a longitudinal bulkhead: firstly, welding a longitudinal bulkhead 51 of a longitudinal bulkhead segment 5 with a bottom outer plate segment 1, a bilge outer plate segment 2 and a side transverse bulkhead segment 4, and then welding a sheet assembly 52 with the longitudinal bulkhead 51;
(5) installing a middle transverse bulkhead: the middle transverse bulkhead section 6 is welded to the longitudinal bulkhead section 5.
The vertical bulkhead 51 of the vertical bulkhead segment 5 in the final assembly sequence forms a 75-degree angle in a vertical state, if the vertical bulkhead segment 5 is directly turned over and normally assembled, namely after the vertical bulkhead segment 5 is assembled in place, the sheet assembly 52 and the middle transverse bulkhead segment 6 need to be installed in the vertical state, so that the positioning of the sheet assembly 52 and the middle transverse bulkhead segment 6 is very difficult, the crane occupies long time, the installation accuracy cannot be guaranteed, and simultaneously, the scaffold needs to be installed and erected, and the safety risk of high-altitude operation is increased.
Disclosure of Invention
The invention aims to solve the problems and provides a method for pre-assembling longitudinal and transverse bulkheads of a side block of a sand ore ship, which can be used for pre-assembling welding and assembling operation by using the conventional tooling equipment without matching of a hydraulic vehicle, reduces the hoisting and positioning time, reduces the construction difficulty, greatly improves the total assembly efficiency and greatly improves the safety.
The purpose of the invention is realized as follows:
the invention relates to a method for pre-assembling longitudinal and transverse bulkheads of a side main section of a mineral sand ship, wherein the side main section of the mineral sand ship comprises a longitudinal bulkhead section and a middle transverse bulkhead section, the longitudinal bulkhead section comprises a longitudinal bulkhead and a sheet body assembly, and the sheet body assembly comprises a first sheet body and a second sheet body; the invention discloses a method for pre-assembling longitudinal and transverse bulkheads of a side block of a sand ore ship, which comprises the following steps:
(1) placing a plurality of pier placing tools according to a preassembly pier placing layout, and then firmly welding the pier placing tools with the embedded iron on the ground;
(2) after the longitudinal bulkhead is hoisted and turned over, the lower opening beam structure of the longitudinal bulkhead is placed on the ground and is abutted against a first backer arranged on the ground, and meanwhile, the rib structure of the longitudinal bulkhead is placed on the pier placing tool;
(3) adjusting the posture of the longitudinal bulkhead so that the height difference between the highest point and the lowest point of the inclined top surface of the longitudinal bulkhead obtained by measurement and the levelness of the inclined top surface in the fore-aft direction are in a preset range;
(4) welding and fixing a lower opening cross beam structure of the longitudinal bulkhead with the embedded iron on the ground, and simultaneously welding a rib position structure of the longitudinal bulkhead with the pier placing tool and then loosening a hook by a crane;
(5) welding a second backer at the lower opening of the watertight rib plate of the longitudinal bulkhead;
(6) hoisting the middle transverse bulkhead segment, turning the middle transverse bulkhead segment, placing the middle transverse bulkhead segment on the inclined top surface of the longitudinal bulkhead, enabling the lower opening of the middle transverse bulkhead segment to abut against a second backrest, and enabling the middle transverse bulkhead segment to be vertical to the horizontal plane;
(7) after the middle transverse bulkhead segment and the longitudinal bulkhead are welded and fixed, the hook is loosened by a crane;
(8) scribing a sheet body position line for installing the sheet body assembly on the longitudinal bulkhead;
(9) hoisting the first sheet body to enable the first sheet body to turn over, hoisting the first sheet body to the position line of the sheet body, enabling the first sheet body to be vertical to the horizontal plane, and then welding and fixing the first sheet body and the longitudinal bulkhead, and then loosening a hook by a crane;
(10) and (5) repeating the operation of the step (9) to weld and fix the second sheet body and the longitudinal bulkhead.
In the method for pre-assembling the longitudinal bulkhead and the transverse bulkhead of the ore ship side block, the height difference between the highest point and the lowest point of the inclined top surface of the longitudinal bulkhead and the error of the levelness of the inclined top surface in the fore-aft direction are both less than 4 mm.
In the method for pre-assembling the longitudinal and transverse bulkheads of the ore sand ship side general section, the step (7) further comprises the steps of marking a transverse bulkhead position line for installing the middle transverse bulkhead section on the longitudinal bulkheads and welding a plurality of first positioning strakes at the transverse bulkhead position line.
In the method for pre-assembling the longitudinal and transverse bulkheads of the side block of the ore carrier, a plurality of second positioning horse plates are welded at the plate body position line before step (9) is executed.
In the step (4), the method for pre-assembling the longitudinal and transverse bulkheads of the side block of the ore carrier further comprises the step of reinforcing and welding channel steel at the welding position of the lower opening cross beam structure of the longitudinal bulkhead and the pre-buried iron on the ground and at the periphery of the welding position of the rib structure of the longitudinal bulkhead and the pier placing tool.
The invention can perform pre-assembly welding and assembly operation by the existing construction equipment, does not need hydraulic vehicle cooperation, reduces the hoisting and positioning time, reduces the construction difficulty, greatly improves the total assembly efficiency and greatly improves the safety at the same time.
Drawings
FIG. 1 is a schematic structural view of a side block of an ore carrier of the present invention;
FIG. 2 is an assembly view conventionally used for a side block of the ore carrier of the present invention;
FIG. 3 is a general assembly drawing of a side block of a sand carrier embodying the present invention;
FIG. 4 is a diagram of the rest pier arrangement of the present invention;
FIG. 5 is a view of the longitudinal bulkhead of the present invention positioned after the landing tool;
FIG. 6 is a sectional view of the longitudinal bulkhead and the intermediate transverse bulkhead of the present invention;
FIG. 7 is an enlarged view of a portion of FIG. 6 at A;
FIG. 8 is a view of the cross-sectional bulkhead of the present invention after pre-assembly.
Detailed Description
The invention will be further explained with reference to the drawings.
Referring to fig. 1, the 400K ore carrier side block of the present embodiment includes a bottom outer plate segment 1, a bilge outer plate segment 2, a side outer plate segment 3, a side transverse bulkhead segment 4, a longitudinal bulkhead segment 5 and a middle transverse bulkhead segment 6, wherein the longitudinal bulkhead segment 5 includes a longitudinal bulkhead 51 and a plate assembly 52, and the plate assembly 52 includes a first plate 52a and a second plate 52 b;
the method for preassembling the longitudinal bulkhead and the transverse bulkhead of the 400K ore sand ship side general section pre-assembles the longitudinal bulkhead section 5 and the middle transverse bulkhead section 6 and then assembles the general section, and comprises the following steps:
(1) firmly welding the pier placing tool 7 with the ground embedded iron 8 after the pier placing tool 7 is placed according to the pier placing layout;
(2) after the longitudinal bulkhead 51 is lifted and turned over, the lower opening cross beam structure of the longitudinal bulkhead 51 is laid on the ground and abutted against a first backrest 91 on the ground, and the rib position structure of the longitudinal bulkhead 51 is contacted with the pier laying tool 7;
(4) measuring and adjusting the posture of the longitudinal bulkhead 51 to ensure that the height difference between the highest point and the lowest point of the inclined top surface (namely the inclined surface shown by an arrow B in FIG. 5) of the longitudinal bulkhead 51 is 5492mm, and the error is less than 4 mm; the levelness error of the inclined top surface of the measuring longitudinal bulkhead 51 (namely the upper and lower openings of the measuring longitudinal bulkhead 51) in the fore-aft direction is less than 4 mm;
(5) welding and fixing a lower opening cross beam structure of the longitudinal bulkhead 51 and the embedded iron 8 on the ground, and welding and fixing the block tool 7 and the rib position structure of the longitudinal bulkhead 51, and then loosening the hook by a crane;
(6) channel steel is adopted for reinforcing welding at the periphery of the welding position of the rib position structures of the longitudinal bulkhead 51, the ground embedded iron 8, the block tool 7 and the longitudinal bulkhead 51;
(7) a second backer 92 is welded at the lower opening of a watertight rib plate of the longitudinal bulkhead 51 in advance, a position line of the middle transverse bulkhead segment 6 is marked on the longitudinal bulkhead, and two first positioning straps 93 are welded;
(8) hoisting the middle transverse bulkhead segment 6, turning the middle transverse bulkhead segment over, and placing the turned middle transverse bulkhead segment on the inclined top surface of the longitudinal bulkhead so that the lower opening of the middle transverse bulkhead segment 6 is close to the second backer 72 to ensure that the middle transverse bulkhead segment 6 is vertical to the horizontal plane;
(9) after the middle transverse bulkhead segment 6 and the longitudinal bulkhead 51 are welded and fixed, the hook is loosened by a crane;
(10) marking the sheet body position line of the sheet body assembly 52 on the longitudinal bulkhead 51 in advance and welding four second positioning horse plates 94;
(11) hoisting the first sheet body 42a, turning over, hoisting to the sheet body position line marked in the step (10), positioning by using a second positioning horse plate 94, adjusting the first sheet body 52a to be vertical to the horizontal plane, and then welding and fixing the first sheet body 52a and the longitudinal bulkhead 51 to be released by a crane;
(12) and (4) welding the second sheet body 42b according to the operation of the step (11) to complete the pre-assembly.
The above embodiments are provided only for illustrating the present invention and not for limiting the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, and therefore all equivalent technical solutions should also fall within the scope of the present invention, and should be defined by the claims.
Claims (5)
1. A method for pre-assembling longitudinal and transverse bulkheads of a ore carrier side general section, wherein the ore carrier side general section comprises a longitudinal bulkhead section and a middle transverse bulkhead section, and the longitudinal bulkhead section comprises a longitudinal bulkhead and a sheet body assembly; the novel table is characterized in that the sheet body assembly comprises a first sheet body and a second sheet body;
the method for pre-assembling the longitudinal and transverse bulkheads of the ore carrier side block section comprises the following steps:
(1) placing a plurality of pier placing tools according to a preassembly pier placing layout, and then firmly welding the pier placing tools with the embedded iron on the ground;
(2) after the longitudinal bulkhead is hoisted and turned over, the lower opening cross beam structure of the longitudinal bulkhead is placed on the ground and is abutted against a first backrest arranged on the ground, and meanwhile, the rib structure of the longitudinal bulkhead is placed on the pier placing tool;
(3) adjusting the posture of the longitudinal bulkhead so that the height difference between the highest point and the lowest point of the inclined top surface of the longitudinal bulkhead and the levelness of the inclined top surface in the fore-aft direction are within a preset range;
(4) welding and fixing a lower opening cross beam structure of the longitudinal bulkhead with the embedded iron on the ground, and simultaneously welding a rib position structure of the longitudinal bulkhead with the pier placing tool and then loosening a hook by a crane;
(5) welding a second backer at the lower opening of the watertight rib plate of the longitudinal bulkhead;
(6) hoisting the middle transverse bulkhead segment, turning the middle transverse bulkhead segment, placing the middle transverse bulkhead segment on the inclined top surface of the longitudinal bulkhead, enabling the lower opening of the middle transverse bulkhead segment to abut against the second mountain, and enabling the middle transverse bulkhead segment to be vertical to the horizontal plane;
(7) after the middle transverse bulkhead segment and the longitudinal bulkhead are welded and fixed, a crane loosens the hook;
(8) scribing a sheet body position line for installing the sheet body assembly on the longitudinal bulkhead;
(9) hoisting the first sheet body to the position line of the sheet body after the first sheet body is turned over, and after the first sheet body is vertical to the horizontal plane, welding and fixing the first sheet body and the longitudinal bulkhead, and then loosening the hook by a crane;
(10) repeating the operation of the step (9) to weld and fix the second sheet body and the longitudinal bulkhead.
2. The method of preassembling transverse and longitudinal bulkheads of ore carrier side block as claimed in claim 1, wherein the error of the height difference between the highest point and the lowest point of the inclined top surface of the longitudinal bulkhead and the error of the levelness of the inclined top surface in fore-aft direction are both less than 4 mm.
3. The method of pre-assembling the transverse and longitudinal bulkheads of the ore carrier side block according to claim 1, wherein the step (7) further comprises marking a transverse bulkhead position line for installing the middle transverse bulkhead segment on the longitudinal bulkheads and welding a plurality of first positioning straps on the transverse bulkhead position line.
4. A method of pre-assembling the longitudinal and transverse bulkheads of the ore carrier side block according to claim 1, wherein a plurality of second positioning straps are welded at the plate body position line before performing step (9).
5. The method for pre-assembling the longitudinal and transverse bulkheads of the ore carrier side block section as claimed in claim 1, wherein step (4) further comprises reinforcing and welding channel steels around the welding position of the lower port cross beam structure of the longitudinal bulkhead and the embedded iron of the ground and the welding position of the rib structure of the longitudinal bulkhead and the pier placing tool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910262717.6A CN109895945B (en) | 2019-04-02 | 2019-04-02 | Longitudinal and transverse bulkhead pre-assembling method for ore sand ship side block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910262717.6A CN109895945B (en) | 2019-04-02 | 2019-04-02 | Longitudinal and transverse bulkhead pre-assembling method for ore sand ship side block |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109895945A CN109895945A (en) | 2019-06-18 |
| CN109895945B true CN109895945B (en) | 2020-04-21 |
Family
ID=66954274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910262717.6A Active CN109895945B (en) | 2019-04-02 | 2019-04-02 | Longitudinal and transverse bulkhead pre-assembling method for ore sand ship side block |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109895945B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL2028642B1 (en) * | 2021-04-02 | 2022-10-17 | Cosco Shipping Qidong Offshore Co Ltd | A construction method for a stern section of a cargo transfer vessel |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109625169B (en) * | 2018-10-31 | 2020-12-25 | 沪东中华造船(集团)有限公司 | General calculation method for use number of assembling horse boards of hull structure in final assembly stage |
| CN110466680B (en) * | 2019-07-10 | 2021-06-01 | 沪东中华造船(集团)有限公司 | Carrying method for double-row cabin type ship block |
| CN110877693B (en) * | 2019-11-15 | 2022-04-01 | 沪东中华造船(集团)有限公司 | Intelligent manufacturing method for double-layer bottom section of LNG ship |
| CN110901852A (en) * | 2019-12-06 | 2020-03-24 | 泛海海工(山东)智能装备有限公司 | Skeleton connection method of thermoplastic polymer ship |
| CN111422321B (en) * | 2020-04-17 | 2021-06-25 | 上海外高桥造船有限公司 | General assembling method for bow total section of bulk carrier |
| CN111422323B (en) * | 2020-04-17 | 2021-11-02 | 上海外高桥造船有限公司 | Positioning reference line based sectional construction method for transverse bulkhead of ultra-large box ship |
| CN111605679B (en) * | 2020-05-28 | 2021-12-17 | 上海外高桥造船有限公司 | Overall assembly process for side block of 40-million-ton ore sand ship |
| CN111634368B (en) * | 2020-06-29 | 2023-12-08 | 芜湖造船厂有限公司 | Ship ballast tank structure and processing method thereof |
| CN112027020B (en) * | 2020-07-17 | 2022-12-02 | 沪东中华造船(集团)有限公司 | Three-step ladder type sectional construction method |
| CN112027022B (en) * | 2020-07-17 | 2023-05-05 | 沪东中华造船(集团)有限公司 | Ultra-wide bilge section construction method |
| CN111806653B (en) * | 2020-07-24 | 2022-08-16 | 上海外高桥造船有限公司 | Pre-assembling method for side block of cruise ship |
| CN112550611A (en) * | 2020-12-02 | 2021-03-26 | 沪东中华造船(集团)有限公司 | Method for building bilge part of fuel tank of dual-fuel container ship in segmented mode |
| CN115320804A (en) * | 2021-05-11 | 2022-11-11 | 江南造船(集团)有限责任公司 | Ship engine room section construction method |
| CN113978648A (en) * | 2021-11-29 | 2022-01-28 | 沪东中华造船(集团)有限公司 | Sectional construction method for fuel tank side of LNG (liquefied Natural gas) power container ship |
| CN114771766B (en) * | 2022-05-31 | 2023-06-23 | 中船黄埔文冲船舶有限公司 | Sectional construction method of front mast and breakwater and ship |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62113681A (en) * | 1985-11-13 | 1987-05-25 | Nippon Kokan Kk <Nkk> | Hull structure of ore/oil transporter |
| KR100954962B1 (en) * | 2008-01-31 | 2010-04-23 | 현대중공업 주식회사 | Side shell block assemble method of Membrane ??? by longitudinal bulkhead knuckle |
| CN203199145U (en) * | 2012-12-28 | 2013-09-18 | 上海中远船务工程有限公司 | Annular block segmentation structure of floating production storage and offloading (FPSO) cargo hold area |
| CN103523168B (en) * | 2013-10-10 | 2016-03-16 | 福建省马尾造船股份有限公司 | CSS platform connecting bridge area segmentation manufacturing process and special skew moulding bed |
| CN103640669B (en) * | 2013-12-05 | 2017-02-08 | 江苏新时代造船有限公司 | Method for manufacturing bulk cargo ship |
| SG10201606134PA (en) * | 2016-07-25 | 2018-02-27 | Viking Dredging As | Removing dredged material from a cargo space |
| CN108146578B (en) * | 2017-12-21 | 2019-07-12 | 沪东中华造船(集团)有限公司 | A kind of manufacturing method of two phase stainless steel chemical tanker topside segmentation |
| CN108177730A (en) * | 2017-12-25 | 2018-06-19 | 沪东中华造船(集团)有限公司 | A kind of integrated method of construction of topside segmentation |
-
2019
- 2019-04-02 CN CN201910262717.6A patent/CN109895945B/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL2028642B1 (en) * | 2021-04-02 | 2022-10-17 | Cosco Shipping Qidong Offshore Co Ltd | A construction method for a stern section of a cargo transfer vessel |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109895945A (en) | 2019-06-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109895945B (en) | Longitudinal and transverse bulkhead pre-assembling method for ore sand ship side block | |
| CN102848091B (en) | Ship double bottom block assembly welding technology | |
| CN102975817A (en) | Integral installation technology method of folding hatch cover and hatch coaming | |
| CN110877677A (en) | Integrated flat ground manufacturing method for translation type hatch cover system of large-scale ocean bulk cargo ship | |
| CN107264723A (en) | A kind of installation method of lateral thruster | |
| CN115162182B (en) | Cantilever type steel box girder high-precision cable hoisting construction method | |
| CN110877679B (en) | Pre-installation process of grating plates on segments | |
| CN112407186A (en) | Moon pool system installation method | |
| CN113320659B (en) | Method for assembling flange and barrel of double-angle steering oar of ship | |
| CN113998072A (en) | Manufacturing and mounting method of standard anchor platform | |
| CN112407189A (en) | Precision construction process for bow hawse pipe and anchor block of ultra-large ship | |
| CN109967975B (en) | Method for building large floating access door | |
| CN111976916A (en) | Full-rotation telescopic push mounting process for engineering ship | |
| CN115071907A (en) | Construction method of thin deck section of ship, thin deck and PCTC ship | |
| CN110466494B (en) | Hovercraft air guide sleeve and processing method thereof | |
| CN111055115B (en) | Assembling method for block type shield tunneling machine factory | |
| CN111605679B (en) | Overall assembly process for side block of 40-million-ton ore sand ship | |
| CN112478085A (en) | Positioning method for single-shell fuel tank block | |
| CN113682446A (en) | Anchor system installation precision control method for ship construction | |
| CN210848977U (en) | Positioning welding tool for subway long rail sleeper steel mould end flat plate | |
| CN214271694U (en) | Assembled steel bridge deck | |
| CN115787469B (en) | Cable anchoring structure of suspended track girder cable-stayed landscape steel bridge and manufacturing method thereof | |
| CN115123490B (en) | Ship steering module positioning and mounting method and auxiliary device | |
| CN212427860U (en) | Square steel plate mark time installation connection structure | |
| CN113548592B (en) | Construction method of crane boom bracket |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201123 Address after: 200137 No. 3001, Pudong New Area Sea Road, Shanghai Patentee after: SHANGHAI WAIGAOQIAO SHIPBUILDING Co.,Ltd. Patentee after: SHANGHAI WAIGAOQIAO SHIPBUILDING AND OFFSHORE ENGINEERING Co.,Ltd. Address before: 200137 No. 3001, Pudong New Area Sea Road, Shanghai Patentee before: SHANGHAI WAIGAOQIAO SHIPBUILDING Co.,Ltd. |
|
| TR01 | Transfer of patent right |