CN113798759A - Tool for digital welding of power transmission tower - Google Patents
Tool for digital welding of power transmission tower Download PDFInfo
- Publication number
- CN113798759A CN113798759A CN202111209005.1A CN202111209005A CN113798759A CN 113798759 A CN113798759 A CN 113798759A CN 202111209005 A CN202111209005 A CN 202111209005A CN 113798759 A CN113798759 A CN 113798759A
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- tool
- power transmission
- transmission tower
- mounting seat
- angle steel
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- 238000003466 welding Methods 0.000 title claims abstract description 59
- 230000005540 biological transmission Effects 0.000 title claims abstract description 29
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 77
- 239000010959 steel Substances 0.000 claims abstract description 77
- 230000007246 mechanism Effects 0.000 claims abstract description 34
- 238000003780 insertion Methods 0.000 claims description 5
- 230000037431 insertion Effects 0.000 claims description 5
- 238000007493 shaping process Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 15
- 230000008569 process Effects 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000003754 machining Methods 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 12
- 230000036544 posture Effects 0.000 description 8
- 238000003825 pressing Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 229910000746 Structural steel Inorganic materials 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000004886 process control Methods 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
- 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 a tool for digital welding of a power transmission tower, which comprises a tool base body, wherein a first mounting seat, a lifting mechanism and a second mounting seat are sequentially arranged in the length direction of the tool base body; the first mounting base is rotatably arranged on the tool base body, and a positioning notch is formed in the first mounting base and used for positioning and mounting the first angle steel; the lifting mechanism comprises a lifting block capable of moving in the vertical direction, and the lifting block can move upwards to drive the first angle steel to rotate along with the first mounting seat; the second mount pad passes through slide mechanism slidable mounting on the frock base member, and slide mechanism can drive the second mount pad and remove towards the direction that is close to first mount pad, be equipped with on the second mount pad along the sunken fashioned inserting groove of vertical direction for location cartridge second angle steel. The invention has the beneficial effects that: the welding included angle between the adjacent angle steels can be automatically adjusted, the digital process of the welding procedure is accelerated, the quality of a welding seam is guaranteed, and the machining efficiency is improved.
Description
Technical Field
The invention belongs to the technical field of power transmission tower assembly, and particularly relates to a tool for digitally welding a power transmission tower.
Background
The power transmission tower is a support frame of an overhead line and is mainly suitable for erecting high-voltage power transmission cables.
The power transmission tower is generally a high-rise building and stands in unstable environments such as mountains, river banks or plains for a long time, so the power transmission tower should have higher structural strength to ensure the safety of power transmission.
Currently, the main materials of the power transmission tower are Q235 and Q345 hot-rolled angle steels, the angle steels include main beam angle steels and support beam angle steels, and the main beam angle steels and the support beam angle steels are assembled into an integral structure of the power transmission tower through welding.
In order to ensure the structural strength of the power transmission tower, a welding included angle exists between partial angle steels, namely the end parts of the partial angle steels are inclined cross sections, in the prior art, the welding included angle between every two adjacent angle steels is mainly controlled by the experience of a welder, the quality of a welding seam at the position of the inclined cross section is not easy to guarantee, the digital process control of a welding procedure is more difficult, and the corresponding processing and production efficiency is lower.
Disclosure of Invention
In view of this, the invention provides a tool for digital welding of a power transmission tower, which can automatically adjust a welding included angle between adjacent angle steels, thereby ensuring the quality of a welding seam and improving the processing efficiency.
In order to achieve the purpose, the technical scheme of the invention is as follows:
the utility model provides a frock for transmission tower digital welding which the key lies in: the tool comprises a tool base body, wherein a first mounting seat, a lifting mechanism and a second mounting seat are sequentially arranged in the length direction of the tool base body;
the first mounting base is rotatably arranged on the tool base body, and a positioning notch is formed in the first mounting base and used for positioning and mounting the first angle steel;
the lifting mechanism comprises a lifting block capable of moving in the vertical direction, and the lifting block can move upwards to drive the first angle steel to rotate along with the first mounting seat;
the second mounting seat is slidably mounted on the tool base body through a sliding mechanism, the sliding mechanism can drive the second mounting seat to move towards the direction close to the first mounting seat, and the second mounting seat is provided with an insertion groove formed along the vertical direction in a concave mode and used for positioning and inserting the second angle steel.
By adopting the tool, after the second angle steel is vertically inserted on the second mounting seat, the sliding mechanism drives the second angle steel to move so as to enable the second angle steel to be in contact with the end part of the first angle steel; after first angle steel one end was installed on first mount pad, the welding angle between first angle steel and the second angle steel can be adjusted to the elevator rebound of lifting mechanism to guarantee that the slope cross-section of first angle steel tip and second angle steel coincide completely, fully ensure the welding seam quality. Meanwhile, the angle steel parts of the power transmission tower can be digitally welded by automatically adjusting the welding angle.
Preferably, the method comprises the following steps: be equipped with articulated seat on the frock base member, the inside shaping of articulated seat has uncovered, first mount pad rotates to be connected in uncovered, the outside rotation of articulated seat is connected with the clamping ring, and the front portion of clamping ring exceedes first mount pad installs elastic element between rear portion and the articulated seat, and elastic element makes the front portion of clamping ring have the trend of downstream. By adopting the structure, after the inclined section of the end part of the first angle steel is completely inosculated with the second angle steel, the pressing ring can downwards press the first angle steel, thereby ensuring the welding seam quality in the subsequent welding process.
Preferably, the method comprises the following steps: the positioning notch is a rectangular cavity structure with the front side and the upper side both open, inwards sunken avoidance grooves are arranged on the edges of the two sides of the lower end of the rectangular cavity structure, and the avoidance grooves are triangular structures. By adopting the structure, two welding postures of the angle steel can be met, and the universality is good.
Preferably, the method comprises the following steps: the second mounting seat is rotatably mounted on the upper side of the sliding mechanism through an electric dividing plate; the second mounting seat is of a cylindrical structure, the insertion groove is an L-shaped groove, and the L-shaped groove is symmetrically arranged relative to one diameter line of the second mounting seat. By adopting the structure, two welding postures of the angle steel can be met, and the universality is good.
Preferably, the method comprises the following steps: the electric indexing disc comprises a base body fixedly mounted on the upper side of the sliding mechanism, a rotary disc rotatably mounted on the base body and a second motor driving the rotary disc to rotate, and the second mounting seat is fixedly mounted on the upper side of the rotary disc. By adopting the structure, the second motor can drive the angle steel to rotate when working.
Preferably, the method comprises the following steps: the inserting groove is located at the top of the second mounting seat, and a locking bolt capable of being screwed into the inserting groove is arranged on the side portion of the second mounting seat. Adopt above-mentioned structure to in the inserting groove of angle steel locking second mount pad.
Preferably, the method comprises the following steps: the sliding mechanism comprises a fixed seat, a dragging plate arranged on the fixed seat in a sliding mode, a screw rod rotatably installed in the fixed seat and a first motor driving the screw rod to rotate, wherein a switching block is fixedly installed on the dragging plate and is in threaded sleeve joint with the screw rod. By adopting the structure, the first motor can drive the second mounting seat to move along the length direction of the tool base body when working.
Preferably, the method comprises the following steps: the lifting mechanism comprises a supporting plate extending upwards on the tool base body, a guide rail, a screw rod and a third motor for driving the screw rod to rotate are mounted on the supporting plate, and a sliding connection part connected with the guide rail in a sliding mode and a connecting part sleeved with the screw rod in a threaded mode are arranged on the lifting block. By adopting the structure, the third motor can drive the first angle steel to rotate up and down when working, thereby realizing the adjustment of the welding angle.
Preferably, the method comprises the following steps: the lifting block is provided with a supporting part which protrudes forwards in the direction far away from the supporting plate, and the upper end of the supporting part is provided with a positioning clamping groove. By adopting the design, the lifting mechanism has reasonable structural layout, can avoid the collision of the first angle steel with the lifting mechanism, and has the advantages of good assembly feasibility, convenient operation, convenient installation and the like.
Preferably, the method comprises the following steps: the clamping ring is n style of calligraphy structure, and it is including the connecting rod that compresses tightly the portion and be located the portion both ends that compress tightly, the one end rotation that the portion that compresses tightly was kept away from to the connecting rod is connected the lateral part of articulated seat, elastic element is the torsional spring, and its one end supports on the connecting rod, and the other end supports inside articulated seat. With the structure, the assembling and pressing operation is facilitated.
Compared with the prior art, the invention has the beneficial effects that:
1. the lifter moves upwards to adjust the welding angle between the angle steel and the angle steel, and the advantage of good welding convenience is achieved.
2. Through the lifting motion, the inclined section of one angle steel end can be ensured to be completely matched with the inner side wall of the other angle steel, and the quality of a welding seam is fully ensured.
3. Through the special molding design of location breach to and the rotatable design of second mount pad, can satisfy two kinds of welding gestures of angle steel, the commonality is good.
4. Because the lifting motion of elevator, the rotation of second mount pad to and the horizontal migration of second mount pad all adopt motor drive, so, can make welding frock automatic adjustment through setting up control circuit and with the mode of input welding parameter, thereby realize the digital control of transmission tower angle steel welding process, and then promote the industrialization welding precision of transmission tower.
Drawings
FIG. 1 is a schematic diagram of an exemplary structure of a welding tool provided by the present invention;
FIG. 2 is a partial cross-sectional view of the tooling at a location corresponding to the slide mechanism;
FIG. 3 is a schematic structural view of the lifting block;
FIG. 4 is a schematic structural diagram of the first mounting seat;
FIG. 5 is a reference diagram of a welding tool in use;
FIG. 6 is a partial schematic view of a first angle iron welded to a second angle iron in a horizontal attitude;
fig. 7 is a schematic structural diagram of the first angle steel positioned and mounted on the first mounting seat in a horizontal posture.
Detailed Description
The present invention will be further described with reference to the following examples and the accompanying drawings.
As shown in fig. 1 to 3, an angle steel welding tool relates to main components including a tool base 1, a first mounting seat 2, a lifting mechanism 3 and a second mounting seat 4, wherein the first mounting seat 2, the lifting mechanism 3 and the second mounting seat 4 are sequentially mounted in the length direction of the tool base 1, a hinge seat 1a is arranged at the right end of the tool base 1, an opening 1b is formed in the hinge seat 1a, the first mounting seat 2 is rotatably connected in the opening 1b, a positioning notch 2a is arranged on the first mounting seat 2, and an insertion groove 4a formed by sinking along the vertical direction is arranged on the second mounting seat 4; the lifting mechanism 3 comprises a lifting block 3a, a supporting plate 3b, a guide rail 3c, a screw rod 3d and a third motor 3e, wherein the supporting plate 3b extends upwards on the tool base body 1, the guide rail 3c is fixedly installed on the supporting plate 3b, the screw rod 3d is rotatably installed on the supporting plate 3b, the third motor 3e is fixed at the lower end of the supporting plate 3b and is located at the position of the lower side of the tool base body 1, the third motor 3e is used for driving the screw rod 3d to rotate, and the lifting block 3a is provided with a sliding connection part 3a1 in sliding connection with the guide rail 3c and a connection part 3a2 in threaded sleeve connection with the screw rod 3 d.
As shown in fig. 5 again, with the vertical cartridge of second angle steel b back in inserting groove 4a of second mount pad 4, and install first angle steel a right-hand member back on the location breach 2a of first mount pad 2, the third motor 3e work of lifting mechanism 3 can drive lifter 3a rebound, because lifter 3a is located first angle steel a middle part downside, so lifter 3a upward movement can drive first angle steel a and rotate around articulated seat 1a along with first mount pad 2, thereby adjust the contained angle between first angle steel a and the second angle steel b. Angle steel contained angle adjustment mode based on frock can make the angle steel spare of power transmission tower realize digital welding, promptly: the welding angle of the first angle steel a is preset through the electric control module, and then the third motor 3e executes the displacement of the lifting block 3a according to the preset value, so that the digital control of the welding angle is realized, and the technical problem of poor welding quality caused by controlling the welding included angle through manual experience is thoroughly solved.
As shown in fig. 2 again, after the angle of the first angle steel a is adjusted in place, in order to automatically control the second angle steel b to be close to the first angle steel a, the second installation seat 4 is slidably installed on the tool base body 1 through the sliding mechanism 5, in this embodiment, the sliding mechanism 5 includes a fixed seat 5a fixedly assembled on the upper side of the tool base body 1, a carriage 5b slidably installed on the fixed seat 5a, a screw rod 5c rotatably installed inside the fixed seat 5a, and a first motor 5d driving the screw rod 5c to rotate, a transfer block 5e is fixedly installed on the lower side of the carriage 5b, the transfer block 5e is in threaded sleeve connection with the screw rod 5c, and the first motor 5d can drive the second installation seat 4 to move along the length direction of the tool base body 1, so as to drive the second angle steel b to move towards the direction close to the first angle steel a.
As shown in fig. 1 and 5, a press ring 6 is rotatably connected to the outside of the hinge base 1a so as to press the first angle bar a during welding, the press ring 6 has an n-shaped structure, the steel plate bending machine comprises a pressing part 6a and connecting rods 6b positioned at two ends of the pressing part 6a, wherein the pressing part 6a exceeds the first mounting seat 2 and presses on first angle steel a, one end of each connecting rod 6b far away from the pressing part 6a is rotatably connected to the side part of the hinge seat 1a, an elastic element 9 is arranged between each connecting rod 6b and the hinge seat 1a, in this embodiment, the elastic element 9 is a torsion spring, one end of the torsion spring is supported on the connecting rod 6b, the other end of the torsion spring is supported inside the hinge base 1a, after the inclined section of the end of the first angle steel a is completely matched with the second angle steel b, the compression ring 6 can compress the first angle steel a downwards under the elastic action of the torsion spring, so that the quality of a welding seam in the subsequent welding process is ensured.
As shown in fig. 4, in this embodiment, the positioning notch 2a is a rectangular cavity structure with both the front side and the upper side open, an inward concave avoiding groove 2a1 is provided on the two side edges of the lower end of the rectangular cavity structure, and the avoiding groove 2a1 is a triangular structure, so designed, two welding postures of the angle steel can be satisfied, as follows:
referring to fig. 5, vertical attitude welding, namely: the right-angle side of the first angle steel a is completely contacted with the inner side of the second angle steel b, and at the moment, the first angle steel a is positioned and installed in the positioning notch 2a in a vertical posture;
referring to fig. 6 and 7, horizontal attitude welding, namely: two right-angle sides of the first angle steel a are not attached to the inner side of the second angle steel b, a welding seam is only arranged at the end part of the first angle steel a, and at the moment, the first angle steel a is positioned and installed in the avoidance groove 2a1 of the positioning notch 2a in a bedroom posture.
As shown in fig. 1 again, in order to adapt to two welding postures of the first angle steel a, the second angle steel b should have a 45-degree rotation space, so the second installation seat 4 is rotatably installed on the upper side of the carriage 5b of the sliding mechanism 5 through the electric index plate 7, the second installation seat 4 is in a cylindrical structure, the insertion groove 4a is an L-shaped groove, the L-shaped groove is symmetrically arranged relative to one diameter line of the second installation seat 4, and the electric index plate 7 drives the second installation seat 4 to rotate by 45 degrees, so that the two welding postures of the angle steel can be satisfied.
The electric index plate 7 comprises a base body 7a fixedly arranged on the upper side of the sliding mechanism 5, a rotary disc 7b rotatably arranged on the base body 7a, and a second motor 7c driving the rotary disc 7b to rotate, the second installation base 4 is fixedly arranged on the upper side of the rotary disc 7b, and the second motor 7c can drive the second installation base 4 to rotate when working. The electric index plate 7 is a well-known mechanism, and the detailed structure thereof will not be further described herein.
As shown in fig. 1, in order to lock the second angle iron b in the inserting groove 4a of the second installation seat 4, the inserting groove 4a is located at the top of the second installation seat 4, and a locking bolt 8 capable of being screwed into the inserting groove 4a is arranged at the side of the second installation seat 4.
Finally, it should be noted that the above-mentioned description is only a preferred embodiment of the present invention, and those skilled in the art can make various similar representations without departing from the spirit and scope of the present invention.
Claims (10)
1. The utility model provides a be used for transmission tower digital welding's frock which characterized in that: the tool comprises a tool base body (1), wherein a first mounting seat (2), a lifting mechanism (3) and a second mounting seat (4) are sequentially arranged in the length direction of the tool base body (1);
the first mounting base (2) is rotatably arranged on the tool base body (1), and a positioning notch (2a) is formed in the first mounting base (2) and used for positioning and mounting a first angle steel;
the lifting mechanism (3) comprises a lifting block (3a) capable of moving in the vertical direction, and the lifting block (3a) moves upwards to drive the first angle steel to rotate along with the first mounting seat (2);
second mount pad (4) are through slide mechanism (5) slidable mounting on frock base member (1), slide mechanism (5) can drive second mount pad (4) and remove towards the direction that is close to first mount pad (2), be equipped with along vertical direction sunken fashioned inserting groove (4a) on second mount pad (4) for location cartridge second angle steel.
2. The tool for digital welding of the power transmission tower according to claim 1, wherein: be equipped with articulated seat (1a) on frock base member (1), articulated seat (1a) inside shaping has uncovered (1b), first mount pad (2) rotate to be connected in uncovered (1b), articulated seat (1a) outside is rotated and is connected with clamping ring (6), and the front portion of clamping ring (6) exceedes first mount pad (2), is installed elastic element (9) between rear portion and articulated seat (1a), and elastic element (9) make the front portion of clamping ring (6) have the trend of downstream.
3. The tool for digital welding of the power transmission tower according to claim 1, wherein: the positioning notch (2a) is a rectangular cavity structure with the front side and the upper side both open, an inward concave avoiding groove (2a1) is arranged on the edges of the two sides of the lower end of the rectangular cavity structure, and the avoiding groove (2a1) is of a triangular structure.
4. The tool for digital welding of the power transmission tower according to claim 3, wherein: the second mounting seat (4) is rotatably mounted on the upper side of the sliding mechanism (5) through an electric dividing disc (7);
the second mounting seat (4) is of a cylindrical structure, the insertion groove (4a) is an L-shaped groove, and the L-shaped groove is symmetrically arranged relative to one diameter line of the second mounting seat (4).
5. The tool for digital welding of the power transmission tower according to claim 4, wherein: the electric dividing plate (7) comprises a base body (7a) fixedly mounted on the upper side of the sliding mechanism (5), a rotary disc (7b) rotatably mounted on the base body (7a) and a second motor (7c) driving the rotary disc (7b) to rotate, and the second mounting seat (4) is fixedly mounted on the upper side of the rotary disc (7 b).
6. The tool for digital welding of the power transmission tower according to claim 1, wherein: the plug-in groove (4a) is positioned at the top of the second mounting seat (4), and a locking bolt (8) capable of being screwed into the plug-in groove (4a) is arranged on the side of the second mounting seat (4).
7. The tool for digital welding of the power transmission tower according to claim 1, wherein: slide mechanism (5) include fixing base (5a), slide carriage (5b) that sets up on fixing base (5a), rotate and install lead screw (5c) inside fixing base (5a) to and drive lead screw (5c) pivoted first motor (5d), fixed mounting has switching piece (5e) on carriage (5b), and this switching piece (5e) screw thread cup joints on lead screw (5 c).
8. The tool for digital welding of the power transmission tower according to claim 1, wherein: lifting mechanism (3) include backup pad (3b) upwards extending on frock base member (1), install guide rail (3c), screw rod (3d) and drive screw (3d) pivoted third motor (3e) on backup pad (3b), be equipped with on elevator (3a) with guide rail (3c) sliding connection's sliding connection portion (3a1) to and connecting portion (3a2) that cup joint with screw rod (3d) screw thread.
9. The tool for digital welding of the power transmission tower according to claim 8, wherein: the lifting block (3a) is provided with a supporting part (3a3) which protrudes forwards in the direction far away from the supporting plate (3b), and the upper end of the supporting part (3a3) is provided with a positioning clamping groove (3a 4).
10. The tool for digital welding of the power transmission tower according to claim 2, wherein: clamping ring (6) are n style of calligraphy structure, and it is including compressing tightly portion (6a) and being located connecting rod (6b) that compresses tightly portion (6a) both ends, the one end rotation that compresses tightly portion (6a) was kept away from in connecting rod (6b) is connected the lateral part of articulated seat (1a), elastic element (9) are the torsional spring, and its one end supports on connecting rod (6b), and the other end supports inside articulated seat (1 a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111209005.1A CN113798759A (en) | 2021-10-18 | 2021-10-18 | Tool for digital welding of power transmission tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111209005.1A CN113798759A (en) | 2021-10-18 | 2021-10-18 | Tool for digital welding of power transmission tower |
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| Publication Number | Publication Date |
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| CN113798759A true CN113798759A (en) | 2021-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111209005.1A Pending CN113798759A (en) | 2021-10-18 | 2021-10-18 | Tool for digital welding of power transmission tower |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN206998139U (en) * | 2017-07-04 | 2018-02-13 | 单士俊 | Bar weld holder |
| CN207723748U (en) * | 2017-11-21 | 2018-08-14 | 福建福船一帆新能源装备制造有限公司 | A kind of steel plate auxiliary welding equipment |
| CN207840269U (en) * | 2018-01-31 | 2018-09-11 | 南宁市榕鼎金属制造有限公司 | A kind of steel tube end part chamfering device |
| KR102129486B1 (en) * | 2020-01-30 | 2020-07-02 | 주식회사 두성코텍 | Welding platform and welding method using the same |
| CN111702395A (en) * | 2020-07-03 | 2020-09-25 | 九江海天设备制造有限公司 | Welding machine and welding process suitable for channel steel |
| CN112157389A (en) * | 2020-09-27 | 2021-01-01 | 怀化志远钢结构工程有限公司 | Non-standard angle steel welding and positioning device |
| CN213437995U (en) * | 2020-08-21 | 2021-06-15 | 白山鑫泰电力工程实业有限责任公司 | Angle steel electric power tower welding fixing device |
| CN214054236U (en) * | 2020-09-27 | 2021-08-27 | 江苏健雄电气有限公司 | Welding set for electrical engineering |
-
2021
- 2021-10-18 CN CN202111209005.1A patent/CN113798759A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206998139U (en) * | 2017-07-04 | 2018-02-13 | 单士俊 | Bar weld holder |
| CN207723748U (en) * | 2017-11-21 | 2018-08-14 | 福建福船一帆新能源装备制造有限公司 | A kind of steel plate auxiliary welding equipment |
| CN207840269U (en) * | 2018-01-31 | 2018-09-11 | 南宁市榕鼎金属制造有限公司 | A kind of steel tube end part chamfering device |
| KR102129486B1 (en) * | 2020-01-30 | 2020-07-02 | 주식회사 두성코텍 | Welding platform and welding method using the same |
| CN111702395A (en) * | 2020-07-03 | 2020-09-25 | 九江海天设备制造有限公司 | Welding machine and welding process suitable for channel steel |
| CN213437995U (en) * | 2020-08-21 | 2021-06-15 | 白山鑫泰电力工程实业有限责任公司 | Angle steel electric power tower welding fixing device |
| CN112157389A (en) * | 2020-09-27 | 2021-01-01 | 怀化志远钢结构工程有限公司 | Non-standard angle steel welding and positioning device |
| CN214054236U (en) * | 2020-09-27 | 2021-08-27 | 江苏健雄电气有限公司 | Welding set for electrical engineering |
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