CN111872703B - Method for installing wind power tower cylinder door frame and cylinder reinforcing plate and orthopedic device - Google Patents
Method for installing wind power tower cylinder door frame and cylinder reinforcing plate and orthopedic device Download PDFInfo
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- CN111872703B CN111872703B CN202010776041.5A CN202010776041A CN111872703B CN 111872703 B CN111872703 B CN 111872703B CN 202010776041 A CN202010776041 A CN 202010776041A CN 111872703 B CN111872703 B CN 111872703B
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- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 105
- 238000000034 method Methods 0.000 title claims abstract description 16
- 230000000399 orthopedic effect Effects 0.000 title abstract description 20
- 238000005096 rolling process Methods 0.000 claims abstract description 32
- 238000003466 welding Methods 0.000 claims abstract description 28
- 238000005520 cutting process Methods 0.000 claims abstract description 24
- 238000004519 manufacturing process Methods 0.000 claims abstract description 8
- 238000009434 installation Methods 0.000 abstract description 4
- 230000002787 reinforcement Effects 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000012797 qualification Methods 0.000 description 2
- 230000035882 stress Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction 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
- 238000010438 heat treatment Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/06—Metal-working plant comprising a number of associated machines or apparatus
-
- 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
- B23K7/00—Cutting, scarfing, or desurfacing by applying flames
-
- 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
- B23K7/00—Cutting, scarfing, or desurfacing by applying flames
- B23K7/10—Auxiliary devices, e.g. for guiding or supporting the torch
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Wind Motors (AREA)
Abstract
A method for installing a wind power tower cylinder door frame and a cylinder reinforcing plate comprises the steps of manufacturing the cylinder reinforcing plate, cutting door frame holes, assembling the cylinder reinforcing plate and the door frame, performing circular arc correction on the cylinder reinforcing plate, installing and welding a cylinder reinforcing plate hole on a bottom Duan Datong and the cylinder reinforcing plate; the orthopedic device comprises a bracket, orthopedic equipment, a rolling device and a correction tire mold, wherein the orthopedic equipment is arranged on the bracket; the rolling device is arranged on the base, and the bottom of the rolling device is provided with an elastic device; the correction tire mold is arranged on the base, the radian of the correction tire mold is consistent with that of the cylinder, and the width and the depth of the groove in the middle of the correction tire mold are slightly larger than those of the inward bulge of the door frame on the reinforcing plate. The installation method reduces the requirements of the door frame lofting and door frame opening on the operation experience of workers, saves the assembling time of the reinforcing plate and improves the production efficiency; the correcting device plays a role in accurately correcting the radian of the cylinder section of the reinforcing plate, so that the radian of the reinforcing plate is consistent with that of the cylinder body of the wind power tower, and the phenomenon that the stress of the tower is influenced due to the fact that the side is deviated during assembly is avoided.
Description
Technical Field
The invention relates to an installation method and an orthopedic device, in particular to an installation method and an orthopedic device for a wind power tower cylinder door frame and a cylinder reinforcing plate.
Background
The wind power tower drum is used as a supporting structure of wind power generation equipment, and takes the form of multi-section cylinder layer-by-layer connection, and the manufacturing process flow comprises a large number of cylinder section girth welding work. Because the reinforcing plate is welded at the position of the cylinder section near the tower cylinder door so as to play a reinforcing role, the prior art is to weld the reinforcing plate and the cylinder body, the door frame at the position of the tower cylinder door reinforcing plate and open the door frame hole on the reinforcing plate and weld the reinforcing plate and the door frame after the whole assembly of the bottom section tower cylinder is welded. In the above prior art, the following difficulties exist:
① In the traditional process, the reinforcing plate and the cylinder body are welded firstly, and then the door frame at the position of the tower cylinder door reinforcing plate is required to be lofted, so that the lofting belongs to high-altitude operation, numerical control is not suitable, and only manual operation is used, so that the door frame lofting operation is complex, and the positioning is not easy to control;
② Because the width and height dimensions of the door frame are fixed, the door frame hole is larger or smaller by manual work, and the influence of the working experience of workers is larger;
③ The assembly welding of the reinforcing plate and the door frame has high-altitude operation risk, the welding time is longer, the operation intensity is higher, and the primary qualification rate is difficult to ensure.
④ The reinforcing plate and the door frame are assembled and welded, and the radian of the cylinder section of the reinforcing plate near the door frame is often influenced by thermal stress to deform, so that the deviation exists between the reinforcing plate and the circular arc degree of the cylinder body, the stress state of the tower cylinder is influenced, and the protruding part of the door frame cannot be rounded by adopting a rounding device.
Disclosure of Invention
The invention aims to provide a method for installing a wind power tower cylinder door frame and a cylinder reinforcing plate and an orthopedic device, which are used for overcoming the defects existing in the prior art.
The technical scheme adopted by the invention is as follows: the method for installing the wind power tower cylinder door frame and the cylinder reinforcing plate comprises the following steps:
s1, manufacturing a cylinder reinforcing plate:
Accurately lofting 1 sheet of plate with the length dimension of 1/6 circumference of the bottom end of the tower barrel and the height dimension smaller than the height of the embedded barrel section barrel, blanking by a numerical control flame cutting machine, cutting and thinning transition and a groove by a semi-automatic flame cutting machine, taking the radian of the barrel as the radian of a barrel reinforcing plate, and rolling and forming the sheet of plate by a rolling device to obtain the barrel reinforcing plate;
S2, cutting door frame holes:
carrying out numerical control programming by drawing the width and height dimensions of the door frame, cutting the middle of the cylinder reinforcing plate by adopting a numerical control flame cutting machine, and forming door frame holes;
S3, assembling a cylinder reinforcing plate and a door frame:
Welding the door frame to the door frame hole of the cylinder reinforcing plate, and detecting the welding seam grade until the welding seam grade is qualified to obtain a workpiece;
S4, arc correction of the cylinder reinforcing plate:
correcting the radian of the heated deformation position of the cylinder reinforcing plate of the workpiece by adopting an correcting device to ensure that the radian is consistent with the radian of the cylinder;
S5, opening a reinforcing plate hole of the barrel body of the bottom section tower barrel:
The tower drum at the bottom section is provided with 1 cylinder reinforcing plate hole which is slightly larger than the size of the cylinder reinforcing plate, so that the welding seam gap between the cylinder reinforcing plate and the cylinder reinforcing plate hole is 2-3 mm;
S6, mounting and welding a cylinder reinforcing plate:
after the cylinder reinforcing plate is embedded into the cylinder reinforcing plate hole formed in the bottom section tower, the cylinder reinforcing plate and the bottom Duan Datong are welded together, and the welding seam grade is detected to be qualified.
The other technical scheme of the invention is as follows: the correcting device for the wind power tower door frame and the cylinder reinforcing plate is used for correcting the circular arc of the cylinder reinforcing plate and comprises a bracket, correcting equipment, a rolling device and a correction tire mold,
The bracket comprises a base, a support column, an inclined support and a top plate, wherein the support column is connected between the base and the left and right ends of the top plate, one end of the inclined support is connected with the support column, and the other end of the inclined support is connected with the upper top plate;
the orthopedic device is arranged on the inclined support;
the rolling devices are symmetrically arranged at the left end and the right end of the upper surface of the base, and the bottoms of the rolling devices are provided with elastic devices;
The correction tire mold is arranged on the base, the whole section of the correction tire mold is arc-shaped, the radian of the correction tire mold is matched with that of the cylinder, a groove is formed in the middle of the correction tire mold, and the width and depth dimensions of the groove are slightly larger than those of the inward arc-shaped protruding part of the door frame welded on the cylinder reinforcing plate.
The further technical scheme is as follows: the rolling device is a rolling shaft, the rolling shafts are at least 8 groups and are symmetrically arranged, each group of rolling shafts are arranged on a roll shaft seat, the bottom of the roll shaft seat is connected with a guide rod, the bottom of the guide rod is suspended and is not in contact with the base, the elastic device is a spring, the spring is sleeved outside the guide rod, one end of the spring is propped against the bottom of the roll shaft seat, and the other end of the spring is propped against the base.
By adopting the technical scheme, the installation method of the wind power tower cylinder door frame and the cylinder reinforcing plate and the orthopedic device have the following beneficial effects:
1. Firstly, manufacturing a cylinder reinforcing plate on the ground, then drawing a figure by the width and height of a door frame to carry out numerical control programming, cutting the middle of the cylinder reinforcing plate by adopting a numerical control flame cutting machine, and forming door frame holes; the lofting and the door frame hole cutting of the door frame can be completed in one step by adopting a numerical control flame cutting machine after drawing programming, and the numerical control operation is simple and easy to control and position.
2. Because the application carries out numerical control programming by drawing the width and height dimensions of the door frame, the dimensions of the door frame hole are accurate, the door frame hole is opened by adopting a numerical control flame cutting machine, and the numerical control operation is not influenced by the working experience of workers.
3. According to the application, the door frame is welded to the door frame hole of the cylinder reinforcing plate, and the welding seam grade is detected to be qualified, so that a workpiece is obtained; the welding and the detection are completed on the ground, so that the risk of high-altitude operation is avoided, the qualification rate of the obtained workpieces is greatly improved, and welding workers can be increased according to the requirement, so that the welding time and the operation intensity are reduced.
4. The invention firstly carries out the assembly welding of the cylinder reinforcing plate and the door frame to obtain the workpiece, then carries out the arc correction of the cylinder section of the workpiece, and finally carries out the integral assembly welding of the workpiece and the bottom Duan Datong, which is completely different from the prior art in the process flow, thereby not only reducing the requirements of door frame lofting and door frame opening on the operation experience of workers, but also saving the assembly time of the cylinder reinforcing plate, greatly improving the production efficiency of products and having the characteristics of simplicity, effectiveness and convenient construction.
5. The application adopts an orthopedic device to correct the radian of the heated deformation position of a cylinder reinforcing plate of a workpiece, the orthopedic device comprises a bracket, orthopedic equipment, a rolling device and a correction tire mold, and the orthopedic equipment is arranged on an inclined support; the rolling device is symmetrically arranged at the left end and the right end of the upper surface of the base, the rolling shaft is provided with an elastic device, the correction tire mold is arranged on the base, the whole section of the correction tire mold is arc-shaped, the radian of the correction tire mold is matched with that of the cylinder, the middle part of the correction tire mold is provided with a groove, and the width and depth dimensions of the groove are slightly larger than those of the inward arc-shaped bulge part of the door frame welded on the cylinder reinforcing plate; when the device is used for carrying out the cylindrical reinforcement plate correction operation of the workpiece, the correction jig is placed on the base, the workpiece is stably placed on the rolling device of the base, the protruding part in the arc of the door frame is just aligned with the groove position of the correction jig, the rolling device can enable the workpiece to move forward and backward stably, labor is saved, correction equipment is used for carrying out correction adjustment on the radian of the cylindrical section of the workpiece cylindrical reinforcement plate, the correction jig plays a role of tightening the workpiece on one hand, the radian of the workpiece before and after adjustment plays a role of checking, the operation can play a role of accurate correction on the radian of the cylindrical section of the cylindrical reinforcement plate of the workpiece, the cylindrical radian of the cylindrical reinforcement plate is consistent with the cylindrical radian of the wind power tower, and the phenomenon that the cylindrical reinforcement plate and the cylindrical group have a wrong edge to influence the stress of the tower is effectively avoided.
6. The rolling device is provided with the elastic device, so that the rolling device has a downward space when the cylinder reinforcing plate is pressed down, and the rolling device is prevented from being damaged due to the fact that pressure directly acts on the rolling device when the orthopedic equipment is pressed down.
7. The method for installing the wind power tower cylinder door frame and the cylinder reinforcing plate and the orthopedic device are simple and quick to operate, high in working efficiency, simple in structure and easy to popularize and use.
The method for installing the wind power tower cylinder door frame and the cylinder reinforcing plate and the technical characteristics of the orthopedic device are further described below with reference to the accompanying drawings and the embodiment.
Drawings
FIG. 1 is a schematic view of a structure in which a door frame and a cylinder reinforcing plate are mounted on a cylinder of a wind power tower;
FIG. 2 is a cross-sectional view A-A of FIG. 1 (half of the wind tower barrel omitted);
FIG. 3 is a schematic structural view of an orthopedic device for a wind power tower door frame and a barrel reinforcing plate according to the present invention;
FIG. 4 is a schematic diagram of the usage state of an orthopedic device for a wind power tower door frame and a barrel reinforcing plate according to the present invention;
FIG. 5 is a left side view of FIG. 1 (with the correction tire mold omitted);
fig. 6 is a schematic structural view of a rolling device with an elastic device at the bottom.
In the figure:
1-bracket, 11-base, 12-pillar, 13-diagonal brace, 14-top plate, 2-orthopedic equipment, 3-rolling device, 31-roller, 32-roller shaft seat, 4-correction tire mold, 41-groove, 5-workpiece, 51-cylinder reinforcing plate, 52-door frame, 6-elastic device, 7-guide rod, 8-weld joint and 9-cylinder.
Detailed Description
Example 1
The method for installing the wind power tower cylinder door frame and the cylinder reinforcing plate comprises the following steps:
s1, manufacturing a cylinder reinforcing plate:
Accurately lofting 1 sheet of plate with the length dimension of 1/6 of the circumference of the bottom end of the tower barrel 9 and the height dimension smaller than the height of the embedded barrel section barrel, blanking by a numerical control flame cutting machine, cutting, thinning, transitional and beveling by a semi-automatic flame cutting machine, taking the radian of the barrel as the radian of a barrel reinforcing plate, and roll-forming the sheet of plate by a rolling device to obtain the barrel reinforcing plate 51;
S2, cutting door frame holes:
carrying out numerical control programming by drawing the width and height dimensions of the door frame 52, cutting the middle of the cylinder reinforcing plate by adopting a numerical control flame cutting machine, and forming door frame holes;
S3, assembling a cylinder reinforcing plate and a door frame:
welding the door frame to the door frame hole of the cylinder reinforcing plate, and detecting the welding seam grade until the welding seam grade is qualified to obtain a workpiece 5;
S4, arc correction of the cylinder reinforcing plate:
correcting the radian of the heated deformation position of the cylinder reinforcing plate of the workpiece by adopting an correcting device to ensure that the radian is consistent with the radian of the cylinder;
S5, opening a reinforcing plate hole of the barrel body of the bottom section tower barrel:
The tower barrel at the bottom section is provided with 1 barrel reinforcing plate hole which is slightly larger than the barrel reinforcing plate in size, so that the gap between the welding seam 8 between the barrel reinforcing plate and the barrel reinforcing plate hole is 2-3 mm;
S6, mounting and welding a cylinder reinforcing plate:
after the cylinder reinforcing plate is embedded into the cylinder reinforcing plate hole formed in the bottom section tower, the cylinder reinforcing plate and the bottom Duan Datong are welded together, and the welding seam grade is detected to be qualified.
Example two
The correcting device for the wind power tower door frame and the cylinder reinforcing plate is used for correcting the circular arc of the cylinder reinforcing plate and comprises a bracket 1, correcting equipment 2, a rolling device 3 and a correction tire mold 4,
The bracket comprises a base 11, a support column 12, an inclined support 13 and a top plate 14, wherein the support column is connected between the left end and the right end of the base and the top plate, one end of the inclined support is connected with the support column, and the other end of the inclined support is connected with the upper top plate; the base and the top plate are steel plates with the thickness of more than or equal to 50 mm; the support column and the inclined support are square steel or round steel pipes;
the orthopedic equipment is a jack which is arranged on the inclined support;
the rolling device is a rolling shaft 31, the rolling shafts are at least 8 groups, are symmetrically arranged at the left end and the right end of the upper surface of the base, the spacing distance of each group can be designed and the number of the rolling shafts can be increased according to specific application occasions, each group of rolling shafts are arranged on a roll shaft seat 32, the bottom of the roll shaft seat is connected with a guide rod 7 and an elastic device 6, the bottom end of the guide rod is suspended and is not contacted with the base, the elastic device is a spring, the spring is sleeved outside the guide rod, one end of the spring is propped against the bottom of the roll shaft seat, and the other end of the spring is propped against the base;
The correction tire mold is arranged on the base, the whole section of the correction tire mold is arc-shaped, the radian of the correction tire mold is matched with that of the cylinder, the middle part of the correction tire mold is provided with a groove 41, and the width and depth dimensions of the groove are slightly larger than those of the inward arc-shaped protruding part of the door frame welded on the cylinder reinforcing plate.
When the device is used for carrying out the cylindrical reinforcing plate correction operation of the workpiece, the correction jig is placed on the base, the workpiece is stably placed on the roller of the base, the protruding part of the door frame in the arc is just aligned with the groove position of the correction jig, the roller can drive the workpiece to stably move forwards and backwards, the jack is used for carrying out correction adjustment on the radian of the cylindrical section of the workpiece cylindrical reinforcing plate, which is deformed by heating, the jack is pressed down, the correction jig plays a role of tightening the workpiece on one hand, the radian of the workpiece before and after adjustment plays a role in checking on the other hand, meanwhile, the spring is compressed downwards when being pressed down by the jack, the roller moves downwards along with the correction of the radian of the cylindrical section of the cylindrical reinforcing plate of the workpiece, the roller is effectively prevented from being damaged, the operation can accurately correct the arc of the cylindrical section of the cylindrical reinforcing plate of the workpiece, the cylindrical reinforcing plate is consistent with the arc of the cylindrical section of the wind power tower, and the phenomenon that the cylindrical section is influenced by the influence of the tower due to the error of the cylindrical section is effectively avoided.
Claims (1)
1. A method for installing a wind power tower cylinder door frame and a cylinder reinforcing plate is characterized by comprising the following steps: the method comprises the following steps:
s1, manufacturing a cylinder reinforcing plate:
Accurately lofting 1 sheet of plate with the length dimension of 1/6 circumference of the bottom end of the tower barrel (9) and the height dimension smaller than the height of the embedded barrel section barrel, blanking by a numerical control flame cutting machine, cutting, thinning, transitional and beveling by a semi-automatic flame cutting machine, taking the radian of the barrel as the radian of a barrel reinforcing plate, and rolling and forming the sheet of plate by using a rolling device to obtain the barrel reinforcing plate (51);
S2, cutting door frame holes:
Numerical control programming is performed by drawing the width and height dimensions of the door frame (52), and a numerical control flame cutting machine is adopted to reinforce the plate of the cylinder body
Cutting the middle part, and forming a door frame hole;
S3, assembling a cylinder reinforcing plate and a door frame:
welding the door frame to the door frame hole of the cylinder reinforcing plate, and detecting the welding seam grade until the welding seam grade is qualified to obtain a workpiece (5);
S4, arc correction of the cylinder reinforcing plate:
correcting the radian of the heated deformation position of the cylinder reinforcing plate of the workpiece by adopting an correcting device to ensure that the radian is consistent with the radian of the cylinder;
S5, opening a reinforcing plate hole of the barrel body of the bottom section tower barrel:
the tower barrel at the bottom section is provided with 1 barrel reinforcing plate hole which is slightly larger than the barrel reinforcing plate in size, so that the gap between the welding seam (8) between the barrel reinforcing plate and the barrel reinforcing plate hole is 2-3 mm;
S6, mounting and welding a cylinder reinforcing plate:
after the cylinder reinforcing plate is embedded into the cylinder reinforcing plate hole formed in the bottom section tower, the cylinder reinforcing plate and the bottom Duan Datong are welded together, and the welding seam grade is detected to be qualified.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010776041.5A CN111872703B (en) | 2020-08-05 | 2020-08-05 | Method for installing wind power tower cylinder door frame and cylinder reinforcing plate and orthopedic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010776041.5A CN111872703B (en) | 2020-08-05 | 2020-08-05 | Method for installing wind power tower cylinder door frame and cylinder reinforcing plate and orthopedic device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111872703A CN111872703A (en) | 2020-11-03 |
| CN111872703B true CN111872703B (en) | 2024-10-15 |
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| CN202010776041.5A Active CN111872703B (en) | 2020-08-05 | 2020-08-05 | Method for installing wind power tower cylinder door frame and cylinder reinforcing plate and orthopedic device |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN207592489U (en) * | 2017-11-01 | 2018-07-10 | 江苏安荣电气设备股份有限公司 | A kind of curved built-in sliding chute shaping device |
| CN111332755A (en) * | 2020-03-25 | 2020-06-26 | 中航材物流科技有限公司 | Sorting machine |
| CN212240016U (en) * | 2020-08-05 | 2020-12-29 | 柳州十一冶机械制造有限责任公司 | Shape correcting device for door frame and cylinder reinforcing plate of wind power tower |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5851813B2 (en) * | 2011-12-05 | 2016-02-03 | 三菱重工業株式会社 | Curvature holding device, curving method and curving method for plate-like workpiece |
| CN108000076B (en) * | 2017-12-29 | 2024-06-21 | 金风科技股份有限公司 | Manufacturing method of tower section, tower section, tower and wind turbine generator set |
| CN109854458A (en) * | 2019-03-13 | 2019-06-07 | 北京金风科创风电设备有限公司 | Shell ring, tower section and forming method of shell ring |
| CN110202300B (en) * | 2019-06-24 | 2024-07-09 | 中国水电四局(阳江)海工装备有限公司 | Wind tower door frame welding platform |
-
2020
- 2020-08-05 CN CN202010776041.5A patent/CN111872703B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207592489U (en) * | 2017-11-01 | 2018-07-10 | 江苏安荣电气设备股份有限公司 | A kind of curved built-in sliding chute shaping device |
| CN111332755A (en) * | 2020-03-25 | 2020-06-26 | 中航材物流科技有限公司 | Sorting machine |
| CN212240016U (en) * | 2020-08-05 | 2020-12-29 | 柳州十一冶机械制造有限责任公司 | Shape correcting device for door frame and cylinder reinforcing plate of wind power tower |
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