CN110539097B - Installation method and installation tool for self-elevating platform submersible pump tower pipe - Google Patents
Installation method and installation tool for self-elevating platform submersible pump tower pipe Download PDFInfo
- Publication number
- CN110539097B CN110539097B CN201910827872.8A CN201910827872A CN110539097B CN 110539097 B CN110539097 B CN 110539097B CN 201910827872 A CN201910827872 A CN 201910827872A CN 110539097 B CN110539097 B CN 110539097B
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- pump tower
- submersible pump
- pipe
- tube
- longitudinal beam
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- 238000009434 installation Methods 0.000 title claims abstract description 44
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000003466 welding Methods 0.000 claims description 23
- 230000000712 assembly Effects 0.000 claims description 14
- 238000000429 assembly Methods 0.000 claims description 14
- 238000005406 washing Methods 0.000 claims description 3
- 238000005246 galvanizing Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000011010 flushing procedure Methods 0.000 abstract description 2
- 238000004080 punching Methods 0.000 description 7
- 238000010276 construction Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005516 engineering process 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
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
Abstract
The invention discloses an installation tool for a self-elevating platform submersible pump tower pipe, which comprises a first longitudinal beam and a second longitudinal beam which are arranged along the length direction of the submersible pump tower pipe, wherein the first longitudinal beam and the second longitudinal beam are fixedly connected through a plurality of groups of supporting components, and each group of supporting components is provided with a positioning part for supporting and fixing a submersible pump tower pipe body. The invention also provides an installation method of the self-elevating platform submersible pump tower pipe. The installation tool for the submersible pump tower tube of the self-elevating platform can improve the manufacturing and assembling precision of the submersible pump tower pipeline and solve the problem that the submersible pump tower tube is easy to interfere with a pile-flushing pipeline guide rail due to insufficient precision control in the prior art.
Description
Technical Field
The invention relates to the technical field of self-elevating platforms, in particular to an installation method and an installation tool for a submersible pump tower pipe of a self-elevating platform.
Background
Along with the continuous development of ocean resources, the construction projects of the self-elevating ocean platform in China are gradually increased, the construction technology of the self-elevating ocean platform is more and more emphasized by each large ship enterprise, and the production construction technology of each area has a great influence on the construction quality of the whole platform.
The submersible pump tower pipe and the pile washing pipe are used as an important area in the construction of the self-elevating platform, under the normal condition, if an effective method is not adopted for precision control in the manufacturing process of the submersible pump tower pipeline, the submersible pump tower and the pile washing pipe are seriously interfered easily in the installation and sliding test of the submersible pump tower, so that the submersible pump tower cannot slide smoothly, and the lifting of the platform is influenced. The main reasons for this result are the following:
(1) aiming at the pipeline structure of the submersible pump tower, a special tool clamp is not manufactured to manufacture the pipeline so as to control the overall precision of the pipeline;
(2) when the branch pipe of the tower pipe of the submersible pump is assembled and welded with the flange and the union tee joint, the deformation after welding is large, the straightness of the pipeline and the verticality super difference between the pipeline and the flange are large because the precision control is not carried out;
(3) when the tube body of the submersible pump tower and the sliding clamping groove are assembled and welded, the welded precision deviation is large due to the asymmetry of the structure;
(4) when a single submersible pump tower pipeline is galvanized, the pipeline part is allowed to be subjected to flame correction after the galvanization because the input of the galvanization heat causes deformation, and the deviation cannot be corrected.
Disclosure of Invention
Aiming at the problems, the invention aims to provide an installation tool for a self-elevating platform submersible pump tower pipe, which can improve the manufacturing and assembling precision of a submersible pump tower pipeline and solve the problem that the submersible pump tower pipe is easy to interfere with a pile punching pipeline guide rail due to insufficient precision control in the prior art.
In order to achieve the purpose, the installation tool for the submersible pump tower tube of the self-elevating platform comprises a first longitudinal beam and a second longitudinal beam which are arranged along the length direction of the submersible pump tower tube, the first longitudinal beam and the second longitudinal beam are fixedly connected through a plurality of groups of supporting assemblies, and each group of supporting assemblies is provided with a positioning part for supporting and fixing the tube body of the submersible pump tower tube.
Furthermore, a plurality of groups of the supporting assemblies are uniformly arranged along the length direction of the submersible pump tower tube.
Furthermore, the support assembly comprises a first support column and a second support column which are arranged in parallel, the first support column is vertically and fixedly connected with the first longitudinal beam, and the second support column is vertically and fixedly connected with the second longitudinal beam; the first supporting column and the second supporting column are connected through a cross rod, and the positioning portion is arranged on the cross rod.
Furthermore, location portion includes relative first fixed block and the second fixed block that sets up, leave the space between first fixed block and the second fixed block and in order to support and fix the submersible pump tower pipe shaft.
The invention also provides an installation method of the self-elevating platform submersible pump tower pipe, which comprises the following steps:
the method comprises the following steps: sequentially fixing the sub-pipes of the submersible pump tower on the positioning part of the installation tool by taking the pipeline at the top of the submersible pump tower as a reference, and performing butt welding on the sub-pipes of the submersible pump tower and the union tee joint to form a single submersible pump tower pipeline;
step two: mounting pairwise matched connecting flanges between two submerged pump tower pipelines one by one to form an integral submerged pump tower pipe;
step three: welding the connecting flange and an external fillet weld of the submersible pump tower pipe body;
step four: arranging a fixing part of the sliding clamping groove on the first longitudinal beam or the second longitudinal beam, and welding and connecting the fixing part with a tube body of a tower tube of the submersible pump;
step five: loosening connecting bolts of connecting flanges among the submerged pump tower pipelines to complete welding of the connecting flanges and inner fillet welds of the submerged pump tower pipeline bodies, and then performing single-piece outgoing galvanizing;
step six: after galvanization, the connecting flanges of the submerged pump tower pipelines are sequentially connected to form a complete submerged pump tower pipe, and the installation of the whole submerged pump tower pipe is completed.
Furthermore, the submersible pump tower tube branch pipe and the union tee joint, and the submersible pump tower tube branch pipe and the connecting flange are welded in an intermittent symmetrical mode.
Further, in the fourth step, before the fixing component of the sliding clamping groove is connected with the submersible pump tower pipe body in a welding mode, spot welding is carried out on the fixing component and the first longitudinal beam or the second longitudinal beam.
Further, the sixth step is specifically: after galvanization, the movable part of the sliding clamping groove is connected to the fixed part of the sliding clamping groove through bolts to form a complete sliding clamping groove, then the movable part is sequentially connected with a connecting flange of a submersible pump tower pipeline to form a complete submersible pump tower pipe, and finally the submersible pump tower pipe is integrally hoisted to a position between pile punching pipe track plates to complete installation of the whole submersible pump tower pipe.
Further, the sixth step is specifically: after galvanization, a single submersible pump tower pipeline is sequentially hung between pile pipe track plates from bottom to top, then the movable part of the sliding clamping groove is connected to the fixed part of the sliding clamping groove through bolts, and then the connecting flange of the submersible pump tower pipeline is connected to form a complete submersible pump tower pipe, so that the installation of the whole submersible pump tower pipe is completed.
Compared with the prior art, the installation tool for the submersible pump tower tube of the self-elevating platform has the following technical effects:
the first longitudinal beam and the second longitudinal beam are arranged along the length direction of the submersible pump tower pipe, the first longitudinal beam and the second longitudinal beam are fixedly connected through a plurality of groups of supporting assemblies, and each group of supporting assemblies is provided with a positioning part for supporting and fixing a pipe body of the submersible pump tower pipe; thereby when carrying out the installation of immersible pump tower pipe, the accessible the body of pipe of each immersible pump tower pipe branch pipe is fixed to the location portion of installation frock to guarantee that each immersible pump tower pipe divides the whole pipe to be located same straight line, be connected each immersible pump tower pipe branch pipe butt welding again and be a holistic immersible pump tower pipe, thereby effectively control the whole straightness accuracy and the whole precision of pipeline of immersible pump tower pipe, and then effectively avoid immersible pump tower pipe later stage and the interference problem of towards the stake pipeline.
The installation method of the self-elevating platform submersible pump tower pipe has the same beneficial effects due to the adoption of the installation tool, and the repeated description is omitted.
Drawings
Fig. 1 is a schematic assembly diagram of an installation tool of a submersible pump tower tube of a self-elevating platform and the submersible pump tower tube;
fig. 2 is a first structural schematic diagram of the installation tool for the submersible pump tower tube of the self-elevating platform of the invention;
fig. 3 is a structural schematic diagram of a mounting tool for a submersible pump tower tube of a self-elevating platform according to the invention;
fig. 4 is a third structural schematic diagram of the installation tool for the submersible pump tower tube of the self-elevating platform of the invention.
The device comprises a base, a first longitudinal beam, a second longitudinal beam, a supporting component, a first supporting column, a second supporting column, a supporting component 31, a first supporting column, a second supporting column, a cross rod 33, a cross rod 34, a positioning portion 341, a first fixing block 342, a second fixing block 4, a submersible pump tower tube 5, a union tee joint 6, a connecting flange 7, a sliding clamping groove 71, a first sliding clamping groove 72, a second sliding clamping groove 8, a fixing component 9 and a movable component.
Detailed Description
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the embodiment of the invention, the self-elevating platform comprises a pile punching pipe and a submersible pump, wherein the pile punching pipe is provided with a sliding guide rail, the number of the pile punching pipes is two, and the two pile punching pipes are fixedly arranged on a pile leg of the self-elevating platform in parallel. The immersible pump has immersible pump tower pipe 4 through flange joint, 4 tops of immersible pump tower pipe are equipped with the lug that slides, and the design of the lug that slides can conveniently lift by crane immersible pump tower pipe 4, immersible pump tower pipe 4 and towards be equipped with a plurality of draw-in groove 7, a plurality of that slides draw-in groove 7 evenly distributed on immersible pump tower pipe 4 and with immersible pump tower pipe 4 fixed connection, slide draw-in groove 7 with slide guide rail sliding connection.
As shown in fig. 1 to 4, the installation tool for a submersible pump tower tube of a self-elevating platform according to the present embodiment includes a first longitudinal beam 1 and a second longitudinal beam 2 arranged along a length direction of the submersible pump tower tube 4, the first longitudinal beam 1 and the second longitudinal beam 2 are fixedly connected by a plurality of groups of support assemblies 3, and the support assemblies 3 are provided with positioning portions 34 for supporting and fixing a tube body of the submersible pump tower tube 4;
the first longitudinal beam 1 and the second longitudinal beam 2 are designed to be arranged along the length direction of the submersible pump tower tube 4, the first longitudinal beam 1 and the second longitudinal beam 2 are fixedly connected through a plurality of groups of supporting assemblies 3, and the supporting assemblies 3 are provided with positioning parts 34 for supporting and fixing the tube body of the submersible pump tower tube 4; when the submersible pump tower tube 4 is installed, the tube body of the submersible pump tower tube branch tube can be fixed through the positioning part 34 of the installation tool, and then the union tee 5 is butt-welded on each submersible pump tower tube branch tube; then with each immersible pump tower pipe branch butt welding connect immersible pump tower pipe 4 as an organic whole again to the whole straightness accuracy of pipeline and the whole precision of effective control immersible pump tower pipe 4, just fixed part 8 that is equipped with the draw-in groove that slides on first longeron 1, the second longeron 2, the movable part 9 of the draw-in groove that slides locates on the immersible pump tower pipe 4 pipe body, thereby can effectively reduce the welding deviation when immersible pump tower pipe 4 pipe body and slide clamping groove 7 carry out assembly welding, and then effectively avoid the interference problem of immersible pump tower pipe 4 later stage and impact stake pipeline.
In the embodiment of the invention, the sliding clamping groove 7 comprises a first sliding clamping groove 71 and a second sliding clamping groove 72, and the first sliding clamping groove 71 is provided with a clamping groove lifting lug so as to conveniently lift the submersible pump tower pipe 4 in a sliding manner. The first sliding clamping groove 71 and the second sliding clamping groove 72 are both provided with a movable part 9 and a fixed part 8, the submersible pump tower tube 4 is provided with the movable part 9 of the sliding clamping groove, and the installation tool is provided with the fixed part 8 of the sliding clamping groove.
Preferably, several groups of the support assemblies 3 are uniformly arranged along the length direction of the submersible pump tower tube 4.
Preferably, the support assembly 3 comprises a first support column 31 and a second support column 32 which are arranged in parallel, the first support column 31 is vertically and fixedly connected with the first longitudinal beam 1, and the second support column 32 is vertically and fixedly connected with the second longitudinal beam 2; the first supporting column 31 and the second supporting column 32 are connected through a cross bar 33, and the positioning portion 34 is arranged on the cross bar 33.
Preferably, the positioning portion 34 includes a first fixed block 341 and a second fixed block 342 which are oppositely disposed, and a gap is left between the first fixed block 341 and the second fixed block 342 to support and fix the tube body of the submersible pump tower tube 4.
The invention also provides an installation method of the self-elevating platform submersible pump tower pipe, which comprises the following steps:
the method comprises the following steps: sequentially fixing the branch pipes of the submersible pump tower on the positioning part 34 of the installation auxiliary tool by taking the pipeline at the top of the submersible pump tower as a reference, and carrying out butt welding on the branch pipes of the submersible pump tower and the union tee 5 to form a single pipeline of the submersible pump tower;
step two: mounting two paired connecting flanges 6 between two submerged pump tower pipelines one by one to form an integral submerged pump tower pipe 4;
step three: welding the connecting flange 6 and the outer fillet weld of the tube body of the submersible pump tower tube 4;
step four: arranging a fixing part 8 of the sliding clamping groove on the first longitudinal beam 1 or the second longitudinal beam 2, and welding and connecting the fixing part with a tube body of a tower tube 4 of the submersible pump;
step five: loosening connecting bolts of connecting flanges 6 among the pipelines of the submersible pump towers to weld the connecting flanges 6 with inner fillet welds of pipe bodies of the submersible pump tower pipes 4, and then plating zinc outside a single piece;
step six: after galvanization, the connecting flanges 6 of the submerged pump tower pipelines are sequentially connected to form a complete submerged pump tower pipe 4, and the installation of the whole submerged pump tower pipe 4 is completed.
Preferably, the submersible pump tower tube branch tube and the union tee 5 and the submersible pump tower tube branch tube and the connecting flange 6 are welded in an interrupted symmetrical mode, so that the welding deformation between the submersible pump tower tube branch tube and the union tee 5 and between the submersible pump tower tube branch tube and the connecting flange 5 are reduced, and the manufacturing precision of the submersible pump tower tube 4 is improved.
Preferably, in the fourth step, before the fixing part 8 of the sliding clamping groove is welded and connected with the tube body of the submersible pump tower tube 4, spot welding is firstly performed on the fixing part and the first longitudinal beam 1 or the second longitudinal beam 2, so that the welding deformation between the root part of the fixing part 8 of the sliding clamping groove and the outer wall of the submersible pump tower tube 4 is prevented from affecting the installation precision of the sliding clamping groove 7.
Preferably, the sixth step is specifically: after galvanization, the movable part 9 of the sliding clamping groove is connected to the fixed part 8 of the sliding clamping groove through bolts to form a complete sliding clamping groove 7, then the inner connecting flange 6 of the pipeline of the submersible pump tower is sequentially connected to form a complete submersible pump tower pipe 4, and finally the submersible pump tower pipe 4 is integrally hoisted to a position between the pile punching pipe track plates to complete installation of the whole submersible pump tower pipe 4.
Preferably, the sixth step is specifically: after galvanization, a single submersible pump tower pipeline is sequentially hung between pile pipe track plates from bottom to top, then a movable part 9 of a sliding clamping groove is connected to a fixed part 8 of the sliding clamping groove through a bolt, and then a connecting flange 6 of the submersible pump tower pipeline is connected to form a complete submersible pump tower pipe 4, so that the installation of the whole submersible pump tower pipe 4 is completed.
In summary, according to the installation tool for the submersible pump tower tube of the self-elevating platform, the first longitudinal beam 1 and the second longitudinal beam 2 are designed to be arranged along the length direction of the submersible pump tower tube 4, the first longitudinal beam 1 and the second longitudinal beam 2 are fixedly connected through a plurality of groups of supporting assemblies 3, and the supporting assemblies 3 are provided with positioning parts 34 for supporting and fixing the tube body of the submersible pump tower tube 4; when the submersible pump tower tube 4 is installed, the tube body of the submersible pump tower tube branch tube can be fixed through the positioning part 34 of the installation tool, and then the union tee 5 is butt-welded on each submersible pump tower tube branch tube; then, the submersible pump tower pipes are connected into the integral submersible pump tower pipe 4 in a split-pipe butt welding mode, so that the integral linearity and the integral precision of the pipeline of the submersible pump tower pipe 4 are effectively controlled, the first longitudinal beam 1 and the second longitudinal beam 2 are fixedly provided with the fixing parts 8 of the sliding clamping grooves, and the movable parts 9 of the sliding clamping grooves are arranged on the body of the submersible pump tower pipe 4, so that the welding deviation can be effectively reduced when the body of the submersible pump tower pipe 4 and the sliding clamping grooves 7 are assembled and welded, and the interference problem of the later stage of the submersible pump tower pipe 4 and a pile flushing pipeline is effectively avoided.
The installation method of the self-elevating platform submersible pump tower pipe has the same beneficial effects due to the adoption of the installation tool, and the repeated description is omitted.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several 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 (5)
1. A method for installing a submersible pump tower pipe of a self-elevating platform is characterized in that an installation tool is applied to install the submersible pump tower pipe;
the mounting tool comprises a first longitudinal beam and a second longitudinal beam which are arranged along the length direction of the submersible pump tower pipe, the first longitudinal beam and the second longitudinal beam are fixedly connected through a plurality of groups of supporting assemblies, and each group of supporting assemblies is provided with a positioning part for supporting and fixing the submersible pump tower pipe body;
wherein the installation method comprises the following steps:
the method comprises the following steps: sequentially fixing the sub-pipes of the submersible pump tower on the positioning part of the installation tool by taking the pipeline at the top of the submersible pump tower as a reference, and carrying out butt welding on the sub-pipes of the submersible pump tower and the union tee joint to form a single pipeline of the submersible pump tower;
step two: mounting pairwise matched connecting flanges between two submerged pump tower pipelines one by one to form an integral submerged pump tower pipe;
step three: welding the connecting flange and an external fillet weld of the submersible pump tower pipe body;
step four: arranging a fixing part of the sliding clamping groove on the first longitudinal beam or the second longitudinal beam, and welding and connecting the fixing part with a tube body of a tower tube of the submersible pump;
step five: loosening connecting bolts of connecting flanges among the submerged pump tower pipelines to complete welding of the connecting flanges and inner fillet welds of the submerged pump tower pipeline bodies, and then performing single-piece outgoing galvanizing;
step six: after galvanization, the connecting flanges of the submerged pump tower pipelines are sequentially connected to form a complete submerged pump tower pipe, and the installation of the whole submerged pump tower pipe is completed.
2. The method for installing the submersible pump tower tube of the self-elevating platform according to claim 1, wherein the sub-tube of the submersible pump tower tube is welded to the union tee joint and the sub-tube of the submersible pump tower tube is welded to the connecting flange in an intermittent and symmetrical manner.
3. The method for installing a submersible pump tower tube of a self-elevating platform according to claim 1, wherein in the fourth step, the fixing member of the sliding slot is spot-welded to the first longitudinal beam or the second longitudinal beam before being welded to the tube body of the submersible pump tower tube.
4. The method for installing a submersible pump tower tube of a jack-up platform according to claim 1, wherein the sixth step is specifically: after galvanization, the movable part of the sliding clamping groove is connected to the fixed part of the sliding clamping groove through bolts to form a complete sliding clamping groove, then the connecting flanges of the submersible pump tower pipelines are sequentially connected to form a complete submersible pump tower pipe, and finally the submersible pump tower pipe is integrally hoisted to a position between the pile washing pipe track plates to complete installation of the whole submersible pump tower pipe.
5. The method for installing a submersible pump tower tube of a jack-up platform according to claim 1, wherein the sixth step is specifically: after galvanization, hang into between the stake pipe track board with single submerged pump tower pipeline in proper order from supreme down, again with bolted connection to the movable part of the draw-in groove that will slide on the fixed part of the draw-in groove that slides, then connect the flange of submerged pump tower pipeline and form complete submerged pump tower pipe, accomplish the installation of whole submerged pump tower pipe.
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| CN201910827872.8A CN110539097B (en) | 2019-09-03 | 2019-09-03 | Installation method and installation tool for self-elevating platform submersible pump tower pipe |
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| CN112498619B (en) * | 2020-12-09 | 2022-02-22 | 江南造船(集团)有限责任公司 | Mounting method of pump tower triangular mast of MARK-III type containment system |
| CN114310103B (en) * | 2021-12-17 | 2023-12-26 | 上海江南长兴造船有限责任公司 | Installation method and installation auxiliary device for slider at narrow part of natural gas pump tower |
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| EP0018038A1 (en) * | 1979-04-06 | 1980-10-29 | Gusto Engineering B.V. | Apparatus for effecting a relative linear displacement between a number of columns and a body arranged for movement along said columns |
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Application publication date: 20191206 Assignee: Zhanjiang Nanhai Shipbuilding High tech Service Co.,Ltd. Assignor: CSSC HUANGPU WENCHONG SHIPBUILDING Co.,Ltd. Contract record no.: X2023980048822 Denomination of invention: Installation method and installation fixture for submersible pump tower pipes on a self elevating platform Granted publication date: 20211130 License type: Common License Record date: 20231130 |