CN108655647A - A kind of device for assembly welding ocean platform pile leg - Google Patents
A kind of device for assembly welding ocean platform pile leg Download PDFInfo
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- CN108655647A CN108655647A CN201810650844.9A CN201810650844A CN108655647A CN 108655647 A CN108655647 A CN 108655647A CN 201810650844 A CN201810650844 A CN 201810650844A CN 108655647 A CN108655647 A CN 108655647A
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- fixed
- plate
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- welding
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- 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
- B23K37/0435—Clamps
- B23K37/0443—Jigs
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- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The present invention proposes a kind of device for assembly welding ocean platform pile leg, including pedestal, and pedestal is equipped with rack fixed mechanism, semicircle tube fixing mechanism and welding mechanism；The quantity of rack fixed mechanism is two, and each rack fixed mechanism includes the first fixed plate, the first support plate, the second fixed plate, the second support plate, third fixed plate, third support plate, the first adjustment frame and backing plate；The quantity of semicircle tube fixing mechanism is two, and each semicircle tube fixing mechanism includes semi-circular tube fixed plate, support column, the first guide rail and third cylinder, and two semi-circular tubes are moved with semicircle tube fixing mechanism to rack, and are pushed backing plate to synchronize and conformed on rack；The tube wall of semi-circular tube is weldingly fixed on rack by welding mechanism, this invention ensures that the security performance in welding process, improves stability.
Description
Technical field
The present invention relates to a kind of welders, more particularly to a kind of device for assembly welding ocean platform pile leg.
Background technology
Lift ocean platform pile leg is usually made of rack and semi-circular tube, and material is ASTMA517/A514 or equivalent
Superhigh intensity quenched and tempered steel, welding difficulty is bigger, while also having higher requirement to precision.Some the technique sides used at present
Method there is a problem of certain.As welding deformation is big；Assembling is difficult, and efficiency is low；Solder yield is low, and repair rate is high；Welding effect
Rate is low.
Patent CN201510482838.3 discloses the ocean platform pile leg that a kind of speed of production is fast, product qualification rate is high
The process of assembly welding, a pile leg assembly are made of a rack and two pieces semi-circular tube, reply rack and half before assembling
Pipe carries out the conscientious Cargo Inspection that comes and tests, and installs semi-circular tube and rack using tooling, then turnover device is utilized to overturn rack, by group
The spud leg of dress passed examination is hung on electric furnace trolley, and then into stove heat, 150-200 DEG C of temperature, temperature is answered in burner hearth
It keeps uniform, the spud leg after heating is put on the ground, two weld seams is first made to be in horizontality, welding rod carries out backing welding by hand
It connects, since among spud leg, both sides are symmetrically welded four welders simultaneously, overturn spud leg after the completion, continue to weld, weld seam bottoming 1-
After 2 layers, soldered spud leg is sent into heat-treatment furnace by formal welding after spud leg is hung on the turning rolls of submerged-arc welding production line
In, 200-280 DEG C of heating temperature simultaneously keeps the temperature 2-3 hours, comes out of the stove.
Patent CN201520592937.2 discloses a kind of ocean platform pile leg welding overturning dress simple in structure, at low cost
It sets, including a pair of of turntable, two turntables are coaxial, and turntable is made of round fagging with the tubular support ring for being centered around round fagging respectively,
It is respectively arranged on fagging and is located at through-hole with the comparable rectangular opening in the end of the rack of ocean platform pile leg and a pair of of through-hole, fagging
Both sides be respectively arranged with the clamping plate on the rack tooth of a pair of of clamping ocean platform pile leg, clamping plate is fixed on by screw bolt and nut
On fagging.The utility model has the advantages that：It can facilitate and overturning change bit manipulation is carried out to spud leg, to meet welding needs.
It needs to overturn spud leg in above-mentioned welding process, stability is poor, and security performance is insufficient.
Invention content
The present invention proposes a kind of device for assembly welding ocean platform pile leg regarding to the issue above, ensure that welding
Security performance in the process, improves stability.
Specific technical solution is as follows：
A kind of device for assembly welding ocean platform pile leg, including pedestal, pedestal are equipped with rack fixed mechanism, semi-circular tube
Fixed mechanism and welding mechanism；
The quantity of rack fixed mechanism is two, and each rack fixed mechanism includes the first fixed plate, the first support plate, second
Fixed plate, the second support plate, third fixed plate, third support plate, the first adjustment frame and backing plate；
First fixed plate is vertically arranged, the bottom for being fixed on the first fixed plate of the first support plate level, the second fixed plate and the
What three fixed plates were respectively perpendicular is fixed in the two side walls of the first fixed plate, the extension side of the second fixed plate and third fixed plate
To with the first support plate on the contrary, two the first adjustment frames are separately fixed at the lateral wall of the second fixed plate and third fixed plate
On, the second support plate and third the support plate horizontal bottom for being fixed on two the first adjustment frames respectively, the first adjustment frame
In horizontally movable set there are one the first guide pad；
Rack fixed mechanism is fixed on the base by the first cylinder, two rack fixed mechanism mirror image settings, and two racks
First support plate of fixed mechanism is oppositely arranged, and rack is positioned in the first support plate of two rack fixed mechanisms, rack with
Fixed two end faces of semi-circular tube or so are towards placing, and rack is arranged two end faces of latch or more direction and places, the first bolt
Rack is fixed on rack fixed mechanism across the first fixed plate；
The quantity of backing plate is two, backing plate be arranged two the first adjustment frames being oppositely arranged in two rack fixed mechanisms it
Between, backing plate is fixed on by the second bolt on the first guide pad；
Backing plate is for being supported and positioning to semi-circular tube, and backing plate includes main backing plate and support backing plate, and the section of main backing plate is length
Square structure, it is arc-shaped structure to support the section of backing plate, and the length of main backing plate is more than the length of rack, supports the length of backing plate
Less than the length of semi-circular tube, support backing plate is fixed on the lateral wall of main backing plate；
The quantity of semicircle tube fixing mechanism is two, and each semicircle tube fixing mechanism includes semi-circular tube fixed plate, support column, the
One guide rail and third cylinder, two the first guide rails are each attached on pedestal, and two support columns are movably disposed at two respectively
On first guide rail, third cylinder is fixed in cylinder fixed platform, third cylinder is connected with support column, with control support column into
Row movement, semi-circular tube fixed plate are rotatably fixed between two support columns, and semi-circular tube fixed plate is controlled by first motor
Rotation, semi-circular tube fixed plate are equipped with the first locating slot, and semi-circular tube is fixed on by detent mechanism in the first locating slot；
Two semi-circular tubes are moved with semicircle tube fixing mechanism to rack, and are pushed backing plate to synchronize and conformed on rack；Pass through welding
The tube wall of semi-circular tube is weldingly fixed on rack by mechanism.
Further, several second cylinders are additionally provided on pedestal, the second cylinder is equipped with rack supporting platform, rack bearing
Platform is in contact with the latch of rack, is used to support rack.
Further, detent mechanism includes positioning plate and locking terminal, and two locking terminals are separately fixed at positioning plate
Both ends are set on locking terminal there are two grafting raised line, and semi-circular tube is arranged in the first locating slot, and positioning plate is pressed on semi-circular tube
On, in the preset grafting groove of semicircle tube end, locking terminal passes through the plug-type setting of grafting raised line on locking terminal
Third bolt is fixed in semi-circular tube fixed plate.
Further, the quantity of welding mechanism is two, and two welding mechanisms are respectively used to weld two semi-circular tubes
It connects, each welding mechanism includes the second guide rail, third guide rail, first mechanical arm, second mechanical arm, the first welding gun and the second weldering
Rifle, the second guide rail and third guide rail are arranged in parallel with semi-circular tube fixed plate, and the second guide rail is located on the inside of third guide rail, the first machine
Tool arm is movably disposed on the second guide rail, and the first welding gun is fixed in first mechanical arm, and second mechanical arm is movably set
It sets on third guide rail, the second welding gun is fixed in second mechanical arm, and the first welding gun is for welding the underlying pipe of semi-circular tube
Wall, the second welding gun is for welding the tube wall that semi-circular tube is located above.
Further, the both sides of main backing plate are removably equipped with two strip hot melt glue, and the length of hot melt adhesive is less than semi-circular tube
Length, heater is additionally provided on pedestal, and heater is located above backing plate.
Beneficial effects of the present invention are：
For the present invention in use, being first positioned over rack in the first support plate of two rack fixed mechanisms, rack is solid with semi-circular tube
Two fixed end faces or so are towards placing, and two end faces of latch are arranged up and down towards placing in rack, and the first bolt passes through first
Rack is fixed on rack fixed mechanism by fixed plate；
Backing plate is arranged between two the first adjustment frames that two rack fixed mechanisms are oppositely arranged；
Semi-circular tube is positioned in horizontally disposed first locating slot, positioning plate is pressed on semi-circular tube, inserting on locking terminal
The plug-type setting of raised line is connect in the preset grafting groove of semicircle tube end, locking terminal is fixed on semicircle by third bolt
In pipe fixed plate, semi-circular tube is made to be fixed in semi-circular tube fixed plate, control first motor makes semi-circular tube be rotated by 90 °；
The relative movement of semi-circular tube fixed plate, two semi-circular tubes is pushed to be moved to rack with semicircle tube fixing mechanism by third cylinder
It is dynamic, and push backing plate to synchronize and conform on rack；The tube wall of semi-circular tube is weldingly fixed on rack by welding mechanism；
After the completion of welding, unclamp the first bolt and the second bolt, fall one of them first cylinder, heater to backing plate into
Row heating, makes hotmelt melts, extracts backing plate out, is removed i.e. after the spud leg natural cooling closed after the completion of heater makes spud leg weld
It can；
The present invention is easy to operate, need not integrally be rotated to spud leg, high degree of automation ensure that the peace in welding process
Full performance, improves stability.
Description of the drawings
Fig. 1 is vertical view of the present invention.
Fig. 2 is A-A sectional views in Fig. 1.
Fig. 3 is the front view of Fig. 1.
Fig. 4 is rack fixed mechanism vertical view.
Fig. 5 is the left view of Fig. 4.
Fig. 6 is semicircle tube fixing mechanism structure chart.
Fig. 7 is detent mechanism structure chart.
Fig. 8 is detent mechanism under the directions B-B in Fig. 7 and semi-circular tube assembled state schematic diagram.
Fig. 9 is C portion enlarged drawing in Fig. 1.
Specific implementation mode
Clear to make technical scheme of the present invention be more clear, the present invention is described further below in conjunction with the accompanying drawings,
Any technical characteristic to technical solution of the present invention carries out the scheme that equivalencing is obtained with conventional reasoning and each falls within guarantor of the present invention
Protect range.
Reference numeral
Pedestal 1, rack fixed mechanism 2, semicircle tube fixing mechanism 3, welding mechanism 4, the first fixed plate 5, the first support plate 6,
Two fixed plates 7, the second support plate 8, third fixed plate 9, third support plate 10, the first adjustment frame 11, backing plate 12, first are oriented to
Block 13, the first cylinder 14, rack 15, semi-circular tube 16, main backing plate 17, support backing plate 18, semi-circular tube fixed plate 19, support column 20,
First guide rail 21, third cylinder 22, the first locating slot 23, detent mechanism 24, the second cylinder 25, rack supporting platform 26, positioning
Plate 27, locking terminal 28, grafting raised line 29, the second guide rail 30, third guide rail 31, first mechanical arm 32, second mechanical arm 33,
One welding gun 34, the second welding gun 35, hot melt adhesive 36, heater 37.
A kind of device for assembly welding ocean platform pile leg as shown in the figure, including pedestal 1, pedestal are solid equipped with rack
Determine mechanism 2, semicircle tube fixing mechanism 3 and welding mechanism 4；
The quantity of rack fixed mechanism is two, and each rack fixed mechanism includes the first fixed plate 5, the first support plate 6, the
Two fixed plates 7, the second support plate 8, third fixed plate 9, third support plate 10, the first adjustment frame 11 and backing plate 12；
First fixed plate is vertically arranged, the bottom for being fixed on the first fixed plate of the first support plate level, the second fixed plate and the
What three fixed plates were respectively perpendicular is fixed in the two side walls of the first fixed plate, the extension side of the second fixed plate and third fixed plate
To with the first support plate on the contrary, two the first adjustment frames are separately fixed at the lateral wall of the second fixed plate and third fixed plate
On, the second support plate and third the support plate horizontal bottom for being fixed on two the first adjustment frames respectively, the first adjustment frame
In horizontally movable set there are one the first guide pad 13；
Rack fixed mechanism is fixed on the base by the first cylinder 14, two rack fixed mechanism mirror image settings, and two teeth
First support plate of fixed mechanism is oppositely arranged, and rack is positioned in the first support plate of two rack fixed mechanisms, rack
It is placed with fixed two end faces of semi-circular tube or so direction, two end faces of latch are arranged up and down towards placement, the first spiral shell in rack
Rack 15 is fixed on rack fixed mechanism by bolt across the first fixed plate；
The quantity of backing plate is two, backing plate be arranged two the first adjustment frames being oppositely arranged in two rack fixed mechanisms it
Between, backing plate is fixed on by the second bolt on the first guide pad；
For backing plate for semi-circular tube 16 to be supported and positioned, backing plate includes main backing plate 17 and support backing plate 18, and main backing plate is cut
Face is rectangle structure, and it is arc-shaped structure to support the section of backing plate, and the length of main backing plate is more than the length of rack, supports backing plate
Length be less than semi-circular tube length, support backing plate be fixed on the lateral wall of main backing plate；
The quantity of semicircle tube fixing mechanism is two, and each semicircle tube fixing mechanism includes semi-circular tube fixed plate 19, support column
20, the first guide rail 21 and third cylinder 22, two the first guide rails are each attached on pedestal, and two support columns are movably set respectively
It sets on two the first guide rails, third cylinder is fixed in cylinder fixed platform, and third cylinder is connected with support column, with control
Support column is moved, and semi-circular tube fixed plate is rotatably fixed between two support columns, and semi-circular tube fixed plate passes through first
Motor control rotation, semi-circular tube fixed plate are equipped with the first locating slot 23, and semi-circular tube is fixed on first by detent mechanism 24 to be determined
In the slot of position；
Two semi-circular tubes are moved with semicircle tube fixing mechanism to rack, and are pushed backing plate to synchronize and conformed on rack；Pass through welding
The tube wall of semi-circular tube is weldingly fixed on rack by mechanism.
Further, several second cylinders 25 are additionally provided on pedestal, the second cylinder is equipped with rack supporting platform 26, rack
Supporting platform is in contact with the latch of rack, is used to support rack.
Further, detent mechanism includes positioning plate 27 and locking terminal 28, and two locking terminals are separately fixed at positioning
The both ends of plate are set on locking terminal there are two grafting raised line 29, and semi-circular tube is arranged in the first locating slot, and positioning plate is pressed on half
On pipe, the plug-type setting of grafting raised line on locking terminal is in the preset grafting groove of semicircle tube end, locking terminal
It is fixed in semi-circular tube fixed plate by third bolt.
Further, the quantity of welding mechanism is two, and two welding mechanisms are respectively used to weld two semi-circular tubes
It connects, each welding mechanism includes the second guide rail 30, third guide rail 31, first mechanical arm 32, second mechanical arm 33, the first welding gun
34 and second welding gun 35, the second guide rail and third guide rail be arranged in parallel with semi-circular tube fixed plate, the second guide rail is led positioned at third
On the inside of rail, first mechanical arm is movably disposed on the second guide rail, and the first welding gun is fixed in first mechanical arm, the second machinery
Arm is movably disposed on third guide rail, and the second welding gun is fixed in second mechanical arm, and the first welding gun is for welding semi-circular tube
Underlying tube wall, the second welding gun is for welding the tube wall that semi-circular tube is located above.
Further, the both sides of main backing plate are removably equipped with two strip hot melt glue 36, and the length of hot melt adhesive is less than semi-circular tube
Length, heater 37 is additionally provided on pedestal, heater is located above backing plate.
Rack in use, be first positioned in the first support plate of two rack fixed mechanisms, rack and semicircle by the present invention
Fixed two end faces or so are managed towards placing, two end faces of latch are arranged up and down towards placing in rack, and the first bolt passes through
Rack is fixed on rack fixed mechanism by the first fixed plate；
Backing plate is arranged between two the first adjustment frames that two rack fixed mechanisms are oppositely arranged；
Semi-circular tube is positioned in horizontally disposed first locating slot, positioning plate is pressed on semi-circular tube, inserting on locking terminal
The plug-type setting of raised line is connect in the preset grafting groove of semicircle tube end, locking terminal is fixed on semicircle by third bolt
In pipe fixed plate, semi-circular tube is made to be fixed in semi-circular tube fixed plate, control first motor makes semi-circular tube be rotated by 90 °；
The relative movement of semi-circular tube fixed plate, two semi-circular tubes is pushed to be moved to rack with semicircle tube fixing mechanism by third cylinder
It is dynamic, and push backing plate to synchronize and conform on rack；The tube wall of semi-circular tube is weldingly fixed on rack by welding mechanism；
After the completion of welding, unclamp the first bolt and the second bolt, fall one of them first cylinder, heater to backing plate into
Row heating, makes hotmelt melts, extracts backing plate out, is removed i.e. after the spud leg natural cooling closed after the completion of heater makes spud leg weld
It can.
Claims (5)
1. a kind of device for assembly welding ocean platform pile leg, it is characterized in that, including pedestal, pedestal fix equipped with rack
Mechanism, semicircle tube fixing mechanism and welding mechanism；
The quantity of rack fixed mechanism is two, and each rack fixed mechanism includes the first fixed plate, the first support plate, second
Fixed plate, the second support plate, third fixed plate, third support plate, the first adjustment frame and backing plate；
First fixed plate is vertically arranged, the bottom for being fixed on the first fixed plate of the first support plate level, the second fixed plate and the
What three fixed plates were respectively perpendicular is fixed in the two side walls of the first fixed plate, the extension side of the second fixed plate and third fixed plate
To with the first support plate on the contrary, two the first adjustment frames are separately fixed at the lateral wall of the second fixed plate and third fixed plate
On, the second support plate and third the support plate horizontal bottom for being fixed on two the first adjustment frames respectively, the first adjustment frame
In horizontally movable set there are one the first guide pad；
Rack fixed mechanism is fixed on the base by the first cylinder, two rack fixed mechanism mirror image settings, and two racks
First support plate of fixed mechanism is oppositely arranged, and rack is positioned in the first support plate of two rack fixed mechanisms, rack with
Fixed two end faces of semi-circular tube or so are towards placing, and rack is arranged two end faces of latch or more direction and places, the first bolt
Rack is fixed on rack fixed mechanism across the first fixed plate；
The quantity of backing plate is two, backing plate be arranged two the first adjustment frames being oppositely arranged in two rack fixed mechanisms it
Between, backing plate is fixed on by the second bolt on the first guide pad；
Backing plate is for being supported and positioning to semi-circular tube, and backing plate includes main backing plate and support backing plate, and the section of main backing plate is length
Square structure, it is arc-shaped structure to support the section of backing plate, and the length of main backing plate is more than the length of rack, supports the length of backing plate
Less than the length of semi-circular tube, support backing plate is fixed on the lateral wall of main backing plate；
The quantity of semicircle tube fixing mechanism is two, and each semicircle tube fixing mechanism includes semi-circular tube fixed plate, support column, the
One guide rail and third cylinder, two the first guide rails are each attached on pedestal, and two support columns are movably disposed at two respectively
On first guide rail, third cylinder is fixed in cylinder fixed platform, third cylinder is connected with support column, with control support column into
Row movement, semi-circular tube fixed plate are rotatably fixed between two support columns, and semi-circular tube fixed plate is controlled by first motor
Rotation, semi-circular tube fixed plate are equipped with the first locating slot, and semi-circular tube is fixed on by detent mechanism in the first locating slot；
Two semi-circular tubes are moved with semicircle tube fixing mechanism to rack, and are pushed backing plate to synchronize and conformed on rack；Pass through welding
The tube wall of semi-circular tube is weldingly fixed on rack by mechanism.
2. a kind of device for assembly welding ocean platform pile leg as described in claim 1, it is characterized in that, it is also set on pedestal
There are several second cylinders, the second cylinder to be equipped with rack supporting platform, rack supporting platform is in contact with the latch of rack, is used for
Support rack.
3. a kind of device for assembly welding ocean platform pile leg as described in claim 1, it is characterized in that, detent mechanism packet
Positioning plate and locking terminal are included, two locking terminals are separately fixed at the both ends of positioning plate, are set on locking terminal there are two grafting
Raised line, semi-circular tube are arranged in the first locating slot, and positioning plate is pressed on semi-circular tube, the grafting raised line plug-in type on locking terminal
Setting in the preset grafting groove of semicircle tube end, locking terminal is fixed on by third bolt in semi-circular tube fixed plate.
4. a kind of device for assembly welding ocean platform pile leg as described in claim 1, it is characterized in that, welding mechanism
Quantity is two, and two welding mechanisms are respectively used to weld two semi-circular tubes, and each welding mechanism is led including second
Rail, third guide rail, first mechanical arm, second mechanical arm, the first welding gun and the second welding gun, the second guide rail and third guide rail are with half
Pipe fixed plate is arranged in parallel, and the second guide rail is located on the inside of third guide rail, and first mechanical arm is movably disposed at the second guide rail
On, the first welding gun is fixed in first mechanical arm, and second mechanical arm is movably disposed on third guide rail, and the second welding gun is fixed
In second mechanical arm, the first welding gun is for welding the underlying tube wall of semi-circular tube, and the second welding gun is for welding semi-circular tube position
Tube wall in top.
5. a kind of device for assembly welding ocean platform pile leg as described in claim 1, it is characterized in that, the two of main backing plate
Side is removably equipped with two strip hot melt glue, and the length of hot melt adhesive is less than the length of semi-circular tube, is additionally provided with heater on pedestal, heats
Device is located above backing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810650844.9A CN108655647B (en) | 2018-06-22 | 2018-06-22 | Device for assembling and welding pile legs of ocean platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810650844.9A CN108655647B (en) | 2018-06-22 | 2018-06-22 | Device for assembling and welding pile legs of ocean platform |
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| Publication Number | Publication Date |
|---|---|
| CN108655647A true CN108655647A (en) | 2018-10-16 |
| CN108655647B CN108655647B (en) | 2023-07-11 |
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ID=63772263
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810650844.9A Active CN108655647B (en) | 2018-06-22 | 2018-06-22 | Device for assembling and welding pile legs of ocean platform |
Country Status (1)
| Country | Link |
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| CN (1) | CN108655647B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112392728A (en) * | 2020-11-16 | 2021-02-23 | 台州辉腾泵业有限公司 | Circulating water pump |
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| CN105057857A (en) * | 2015-08-07 | 2015-11-18 | 张家港润通海洋工程科技有限公司 | Process method for assembling and welding pile leg of ocean platform |
| CN205587879U (en) * | 2016-03-29 | 2016-09-21 | 哈尔滨电机厂有限责任公司 | Collecting pipe heals up and welds supporting tool |
| CN208322568U (en) * | 2018-06-22 | 2019-01-04 | 浙江海洋大学 | A kind of device for assembly welding ocean platform pile leg |
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|---|---|---|---|---|
| JPH06331061A (en) * | 1993-05-19 | 1994-11-29 | Ishikawajima Harima Heavy Ind Co Ltd | Pipe installing device |
| CN202715940U (en) * | 2012-07-24 | 2013-02-06 | 李贡 | Welding device for main string pipe of pile leg of self-lifting device in oceanographic engineering |
| CN203171123U (en) * | 2013-04-08 | 2013-09-04 | 北京中电华强焊接工程技术有限公司 | Automatic welding device of self-elevating drilling platform spud leg |
| CN203956304U (en) * | 2014-05-30 | 2014-11-26 | 唐山开元特种焊接设备有限公司 | Fillet welding automatic welding device in drilling platform leg tooth bar and semi-circular plate |
| CN203956365U (en) * | 2014-07-04 | 2014-11-26 | 成都焊研威达科技股份有限公司 | Oil platform leg welding equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112392728A (en) * | 2020-11-16 | 2021-02-23 | 台州辉腾泵业有限公司 | Circulating water pump |
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| Publication number | Publication date |
|---|---|
| CN108655647B (en) | 2023-07-11 |
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