CN111283343A - Metal pipeline welding device for water conservancy construction and welding method thereof - Google Patents
Metal pipeline welding device for water conservancy construction and welding method thereof Download PDFInfo
- Publication number
- CN111283343A CN111283343A CN202010167568.8A CN202010167568A CN111283343A CN 111283343 A CN111283343 A CN 111283343A CN 202010167568 A CN202010167568 A CN 202010167568A CN 111283343 A CN111283343 A CN 111283343A
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- metal pipeline
- groove
- water conservancy
- conservancy construction
- fixedly connected
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- 239000002184 metal Substances 0.000 title claims abstract description 76
- 238000003466 welding Methods 0.000 title claims abstract description 54
- 238000010276 construction Methods 0.000 title claims abstract description 39
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims abstract description 11
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 15
- 230000009471 action Effects 0.000 claims description 5
- 238000005096 rolling process Methods 0.000 claims 2
- 210000001503 joint Anatomy 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002352 surface water Substances 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 for a procedure covered by only one of the other main groups of this subclass
- B23K37/04—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass for holding or positioning work
- B23K37/053—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass for holding or positioning work aligning cylindrical work; Clamping devices therefor
- B23K37/0533—External pipe alignment clamps
-
- 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
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/04—Tubular or hollow articles
- B23K2101/06—Tubes
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Arc Welding In General (AREA)
Abstract
The invention discloses a metal pipeline welding device for water conservancy construction and a welding method thereof, and the metal pipeline welding device comprises a base, wherein both ends of the bottom of the base are provided with accommodating grooves, the inside of each accommodating groove is rotatably connected with a rotating shaft, both ends outside the rotating shaft are fixedly connected with supporting rods, the top of the base is provided with a sliding groove, four corners of the top of the base and the outer sides of the sliding grooves are fixedly connected with mounting plates, a bearing roller is rotatably connected between the two corresponding mounting plates, and a bidirectional screw rod is rotatably connected inside the sliding groove. Thereby guarantee to metal pipeline welded quality, and then better assurance water conservancy construction's progress.
Description
Technical Field
The invention belongs to the field of welding devices, and particularly relates to a metal pipeline welding device for water conservancy construction and a welding method thereof.
Background
In the existing life, water conservancy construction is used for controlling and allocating surface water and underground water in the nature to achieve the purpose of removing harm and benefiting, water flow can be controlled only by water conservancy construction to prevent flood disasters, and water quantity is adjusted and distributed to meet the requirements of people life and production on water resources, the metal pipelines are connected in the water conservancy construction process and need to be welded before being buried, but when the metal pipelines for water conservancy construction are welded at present, special tools are mostly used for pre-welding at specified positions, the metal pipeline welding device for water conservancy construction is not convenient to carry, cannot be welded at a construction site and is not beneficial to use, meanwhile, the existing metal pipeline welding device for water conservancy construction is not stable enough for butt joint between the two metal pipelines, so that the welding quality is reduced easily, affecting the progress of water conservancy construction.
The invention content is as follows:
the invention aims to solve the problems in the prior art, and provides a metal pipeline welding device for water conservancy construction and a welding method thereof.
In order to solve the above problems, the present invention provides a technical solution:
a metal pipeline welding device for water conservancy construction comprises a base, wherein storage grooves are formed in two ends of the bottom of the base, a rotating shaft is connected to the inside of each storage groove in a rotating mode, supporting rods are fixedly connected to two ends of the outer side of the rotating shaft, a sliding groove is formed in the top of the base, four corners of the top of the base are fixedly connected to mounting plates located on the outer sides of the sliding grooves, a supporting roller is connected between the two corresponding mounting plates in a rotating mode, a bidirectional lead screw is connected to the inside of the sliding groove in a rotating mode, one end of the bidirectional lead screw extends to the outer side of the base and is fixedly connected with a rotating disc, a rotating handle is fixedly connected to the outer side of the rotating disc, sliding blocks are in threaded connection with two ends of the outer side of the bidirectional lead screw and are in sliding connection with the sliding grooves, clamping grooves are formed in the inside of the, the equal fixedly connected with baffle in top of slide bar, the bottom of slide bar all extends to the inside and the fixedly connected with clamp plate in centre gripping groove, all the cover has return spring in the outside of slide bar and between the top that is located the top of clamp plate and centre gripping inslot wall.
Preferably, the middle part of the outer side of the rotating shaft is sleeved with a torsion spring, and the two ends of the inner wall of the accommodating groove, which are positioned on the torsion spring, are fixedly connected with limit rods matched with the torsion spring.
As preferred, the four corners of base bottom just is located the equal fixedly connected with fixed plate in the outside of accomodating the groove, the equal threaded connection in inside of fixed plate has spacing bolt, the outside of bracing piece is close to one side of spacing bolt and all cuts a spacing groove, the position and the size of spacing groove all cooperate with spacing bolt.
Preferably, a handle is fixedly connected to one side of the base.
Preferably, the middle part of the outer side of the bearing roller is provided with a groove.
Preferably, the rotating handle is eccentrically connected to the rotating disk.
Preferably, the bottom of the inner wall of the clamping groove and the clamping plate are both in circular arc structures.
A metal pipeline welding device for water conservancy construction and a welding method thereof comprise the following steps:
s1, carrying the equipment to a specified construction site through a lifting handle;
s2, rotating the supporting rod from the inside of the accommodating groove to a vertical state, simultaneously extruding the torsion spring, then enabling one end of each limiting bolt to be inserted into the corresponding limiting groove by rotating the limiting bolt in the fixing plate, completely matching all the limiting bolts with the limiting grooves, and then inserting the supporting rod into the ground inside a construction site through the conical structure at the bottom of the supporting rod;
s3, the slide rod is pulled upwards through the baffle plate, so that the clamping plate is driven to move upwards, the return spring is extruded at the same time, one end of a metal pipeline to be welded penetrates through the clamping groove, the metal pipeline is located below the clamping plate, a part of the metal pipeline is reserved to extend to the outer side of the slide block, the other end of the metal pipeline is placed inside the groove on the outer side of the bearing roller to be supported, then the baffle plate is loosened, the clamping plate moves downwards under the elastic action of the return spring to clamp and fix the metal pipeline, and meanwhile, the corresponding metal pipeline is also clamped inside the other clamping groove according to the operation;
s4, the rotating disc is driven to rotate through rotating the handle, so that the bidirectional screw rod is driven to rotate, the two sliding blocks move towards the middle, and the two clamped and fixed metal pipelines are butted;
s5, welding the two butted metal pipes by a welding tool;
s6, the metal pipeline after the welding is completed is disassembled, then the limiting bolts corresponding to the inside of the limiting grooves are respectively screwed out, under the elastic action of the torsion spring, the supporting rod returns to the position and enters the inside of the accommodating groove to be accommodated, and at the moment, the equipment can be carried
Preferably, the lengths of the two metal pipes close to each other in step S3 are equal.
Preferably, the welding tool in step S5 is a welding gun.
The invention has the beneficial effects that: the metal pipeline butt joint device is compact in structure, simple and convenient to operate, high in practicability and convenient to carry and support, a base is arranged, so that a user can carry the device, the device can carry out welding operation on the metal pipeline on a construction site, water conservancy construction is facilitated, meanwhile, the metal pipeline can be stably butted by arranging the bidirectional screw rod to be matched with the corresponding clamping mechanism, the welding quality of the metal pipeline is guaranteed, and the progress of the water conservancy construction is better guaranteed.
Description of the drawings:
for ease of illustration, the invention is described in detail by the following detailed description and the accompanying drawings.
FIG. 1 is a schematic view of the external structure of the present invention;
FIG. 2 is a sectional view of the internal structure of the present invention;
FIG. 3 is a bottom view of the present invention;
FIG. 4 is a schematic diagram of a portion of the present invention;
figure 5 is a schematic view of the construction of the support roller of the present invention.
In the figure: 1. a base; 2. a receiving groove; 3. a rotating shaft; 4. a torsion spring; 5. a limiting rod; 6. a support bar; 7. a limiting groove; 8. a fixing plate; 9. a limiting bolt; 10. a handle; 11. a chute; 12. mounting a plate; 13. supporting the roller; 14. a groove; 15. a bidirectional screw rod; 16. rotating the disc; 17. rotating the handle; 18. a slider; 19. a clamping groove; 20. a slide bar; 21. a baffle plate; 22. a clamping plate; 23. and a return spring.
The specific implementation mode is as follows:
as shown in fig. 1 to 5, the following technical solutions are adopted in the present embodiment:
example (b):
a metal pipeline welding device for water conservancy construction comprises a base 1, wherein storage grooves 2 are formed in two ends of the bottom of the base 1, a rotating shaft 3 is rotatably connected inside each storage groove 2, supporting rods 6 are fixedly connected to two ends of the outer side of each rotating shaft 3, and the bottom of each supporting rod 6 is of a conical structure, so that equipment can be conveniently and stably placed; the top of the base 1 is provided with a sliding groove 11, the four corners of the top of the base 1 and the outer sides of the sliding groove 11 are fixedly connected with mounting plates 12, and a bearing roller 13 is rotatably connected between the two corresponding mounting plates 12, so that the other end of the metal pipeline can be better supported; a bidirectional screw rod 15 is rotatably connected inside the sliding chute 11, one end of the bidirectional screw rod 15 extends to the outer side of the base 1 and is fixedly connected with a rotating disc 16, a rotating handle 17 is fixedly connected to the outer side of the rotating disc 16, both ends of the outer side of the bidirectional screw rod 15 are in threaded connection with sliding blocks 18, and the sliding blocks 18 are in sliding connection with the sliding chute 11, so that the sliding blocks 18 are convenient to be better limited and prevented from rotating along with the rotation of the bidirectional screw rod 15; the inside of slider 18 has all been dug clamping groove 19, the equal sliding connection in top of slider 18 has slide bar 20, the equal fixedly connected with baffle 21 in top of slide bar 20, the bottom of slide bar 20 all extends to clamping groove 19's inside and fixedly connected with clamp plate 22, the outside of slide bar 20 and be located all the cover have return spring 23 between the top of clamp plate 22's top and clamping groove 19 inner wall, the drive return spring 23 of being convenient for more presss from both sides tight tubular metal resonator.
Wherein, the middle part outside the axis of rotation 3 all overlaps and has torsion spring 4, accomodates the inner wall of groove 2 and is located torsion spring 4's both ends equal fixedly connected with it matched with gag lever post 5, the better shrink bracing piece 6 of being convenient for.
Wherein, the four corners of base 1 bottom and the equal fixedly connected with fixed plate 8 in the outside that is located and accomodates groove 2, the equal threaded connection in inside of fixed plate 8 has spacing bolt 9, and spacing groove 7 is all dug to the outside of bracing piece 6 one side that is close to spacing bolt 9, and spacing groove 7's position and size all cooperate with spacing bolt 9, are convenient for better carry out the position to bracing piece 6 and fix.
Wherein, one side fixedly connected with handle 10 of base 1 is convenient for better remove and carry the whole equipment.
Wherein, the middle part in the bearing gyro wheel 13 outside all cuts fluted 14, is convenient for better carry on spacingly to the other end of metal pipeline, prevents that it from taking place great rocking.
Wherein, the rotating handle 17 is eccentrically connected with the rotating disc 16, so that the rotating disc 16 and the bidirectional screw rod 15 can be conveniently rotated by rotating the rotating handle 17.
The bottom of the inner wall of the clamping groove 19 and the clamping plate 22 are both in an arc-shaped structure, so that the metal pipeline surface can be better attached, and the metal pipeline can be better clamped and fixed.
A metal pipeline welding device for water conservancy construction and a welding method thereof comprise the following steps:
s1, carrying the equipment to a specified construction site through the lifting handle 10;
s2, rotating the supporting rod 6 from the inside of the accommodating groove 2 to a vertical state, simultaneously extruding the torsion spring 4, then enabling one end of each limiting bolt 9 to be inserted into the corresponding limiting groove 7 by rotating the limiting bolts 9 in the fixing plate 8, and inserting the limiting bolts into the ground of a construction site through the conical structures at the bottoms of the supporting rods 6 after all the limiting bolts 9 are completely matched with the limiting grooves 7;
s3, pulling up the slide rod 20 through the baffle 21 to drive the clamping plate 22 to move upwards, and meanwhile, extruding the return spring 23, then penetrating one end of the metal pipeline to be welded from the inside of the clamping groove 19, ensuring that the metal pipeline is positioned below the clamping plate 22, meanwhile, reserving a part of the metal pipeline to extend to the outer side of the slide block 18, then placing the other end of the metal pipeline in the groove 14 on the outer side of the bearing roller 13 to bear the metal pipeline, then loosening the baffle 21, and enabling the clamping plate 22 to move downwards under the elastic force of the return spring 23 to clamp and fix the metal pipeline, and meanwhile, clamping the inside of the other clamping groove 19 with the corresponding metal pipeline;
s4, the handle 17 is rotated to drive the rotating disc 16 to rotate, so that the bidirectional screw rod 15 is driven to rotate, the two sliding blocks 18 move towards the middle, and the two clamped and fixed metal pipelines are butted;
s5, welding the two butted metal pipes by a welding tool;
s6, dismantle the metal pipeline after the completion of welding, then unscrew the inside corresponding spacing bolt 9 of spacing groove 7 respectively, under torsion spring 4' S elasticity effect for bracing piece 6 return gets into the inside of accomodating groove 2 and accomodates, can carry equipment this moment.
The lengths reserved at the ends, close to each other, of the two metal pipelines in the step S3 are equal, so that the two metal pipelines can be controlled to complete stable butt joint better, and subsequent work is facilitated.
Wherein, the welding tool in the step S5 is a welding gun, which facilitates better welding operation.
The using state of the invention is as follows: the equipment is moved to a designated position through a handle 10, then a support rod 6 is rotated to a vertical state from the inside of a containing groove 2, a torsion spring 4 is extruded at the same time, then a limiting bolt 9 in a fixed plate 8 is rotated, one end of the limiting bolt 9 can be inserted into the corresponding limiting groove 7, after all the limiting bolts 9 are completely matched with the limiting grooves 7, the limiting bolt is inserted into the ground inside a construction site through a conical structure at the bottom of the support rod 6, a slide rod 20 is pulled upwards through a baffle plate 21, a clamping plate 22 is driven to move upwards, a return spring 23 is extruded at the same time, then one end of a metal pipeline needing to be welded penetrates through the clamping groove 19, the metal pipeline is ensured to be positioned below the clamping plate 22, a part of the metal pipeline is reserved to extend to the outer side of a slide block 18, then the other end of the metal pipeline is placed inside a groove 14 on the outer side of a bearing roller 13, thus supporting it, then the blocking plate 21 is released, under the action of the elastic force of the return spring 23, the clamping plate 22 is moved downwards, the metal pipeline is clamped and fixed, meanwhile, the corresponding metal pipeline is clamped in the other clamping groove 19 according to the operation, the rotating handle 17 drives the rotating disc 16 to rotate, thereby driving the bidirectional screw rod 15 to rotate, leading the two slide blocks 18 to move towards the middle, leading the two metal pipelines which are clamped and fixed to complete stable butt joint, then the two butted metal pipelines are welded by a welding tool, the welded metal pipelines are disassembled, then the corresponding limiting bolts 9 in the limiting grooves 7 are respectively screwed out, under torsion spring 4's elasticity effect for bracing piece 6 return gets into the inside of accomodating groove 2 and accomodates, can carry equipment this moment.
While there have been shown and described what are at present considered to be the fundamental principles of the invention and its essential features and advantages, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.
Claims (10)
1. The utility model provides a metal pipeline welding set for water conservancy construction, its characterized in that, includes base (1), the both ends of base (1) bottom are all dug and are taken in groove (2), the inside of taking in groove (2) is all rotated and is connected with axis of rotation (3), the equal fixedly connected with bracing piece (6) in both ends in the axis of rotation (3) outside, the top of base (1) is dug and is had spout (11), the four corners at base (1) top just is located the equal fixedly connected with mounting panel (12) in the outside of spout (11), corresponds two all rotate between mounting panel (12) and be connected with bearing gyro wheel (13), the inside of spout (11) rotates and is connected with two-way lead screw (15), the one end of two-way lead screw (15) extends to the outside of base (1) and fixedly connected with rolling disc (16), the outside fixedly connected with of rolling disc (16) rotates handle (17), the equal threaded connection in both ends in two-way lead screw (15) outside has slider (18), slider (18) all with spout (11) sliding connection, the inside of slider (18) has all been dug centre gripping groove (19), the equal sliding connection in top of slider (18) has slide bar (20), the equal fixedly connected with baffle (21) in top of slide bar (20), the bottom of slide bar (20) all extends to inside and fixedly connected with grip block (22) of centre gripping groove (19), it has return spring (23) all to overlap between the outside of slide bar (20) and the top that is located the top of grip block (22) and centre gripping groove (19) inner wall.
2. The water conservancy construction metal pipeline welding device according to claim 1, characterized in that the middle part of the outside of the rotating shaft (3) is sleeved with a torsion spring (4), and both ends of the inner wall of the accommodating groove (2) and located on the torsion spring (4) are fixedly connected with limit rods (5) matched with the inner wall.
3. The metal pipeline welding device for water conservancy construction according to claim 1, characterized in that, the equal fixedly connected with fixed plate (8) in the four corners of base (1) bottom and the outside that is located and accomodates groove (2), the equal threaded connection in inside of fixed plate (8) has spacing bolt (9), spacing groove (7) are all dug to the outside of bracing piece (6) near one side of spacing bolt (9), the position and the size of spacing groove (7) all cooperate with spacing bolt (9).
4. The metal pipeline welding device for water conservancy construction according to claim 1, characterized in that a handle (10) is fixedly connected to one side of the base (1).
5. The metal pipeline welding device for water conservancy construction according to claim 1, characterized in that the middle part of the outer side of the bearing roller (13) is provided with a groove (14).
6. The metal pipeline welding device for water conservancy construction according to claim 1, wherein the rotating handle (17) is eccentrically connected with the rotating disc (16).
7. The metal pipeline welding device for water conservancy construction according to claim 1, characterized in that the bottom of the inner wall of the clamping groove (19) and the clamping plate (22) are both in an arc-shaped structure.
8. The water conservancy construction metal pipeline welding device and the welding method thereof according to claim 1 are characterized by comprising the following steps:
s1, carrying the equipment to a designated construction site through a handle (10);
s2, rotating the supporting rod (6) to a vertical state from the inside of the accommodating groove (2), simultaneously extruding the torsion spring (4), then rotating the limiting bolts (9) in the fixing plate (8) to enable one ends of the limiting bolts (9) to be inserted into the corresponding limiting grooves (7), and after all the limiting bolts (9) are completely matched with the limiting grooves (7), inserting the supporting rod (6) into the ground of a construction site through the conical structure at the bottom of the supporting rod (6);
s3, the slide rod (20) is pulled upwards through the baffle (21), so that the clamping plate (22) is driven to move upwards, the return spring (23) is extruded, one end of a metal pipeline to be welded penetrates through the clamping groove (19), the metal pipeline is located below the clamping plate (22), a part of the metal pipeline is reserved and extends to the outer side of the sliding block (18), the other end of the metal pipeline is placed in the groove (14) on the outer side of the supporting roller (13) to be supported, the baffle (21) is loosened, the clamping plate (22) moves downwards under the action of the elastic force of the return spring (23), the metal pipeline is clamped and fixed, and the corresponding metal pipeline is clamped in the other clamping groove (19) according to the operation;
s4, the rotating disc (16) is driven to rotate through the rotating handle (17), so that the bidirectional screw rod (15) is driven to rotate, the two sliding blocks (18) move towards the middle, and the two clamped and fixed metal pipelines are butted;
s5, welding the two butted metal pipes by a welding tool;
s6, the metal pipeline after the welding is completed is disassembled, then the corresponding limiting bolt (9) in the limiting groove (7) is screwed out respectively, under the elastic action of the torsion spring (4), the supporting rod (6) returns to the original position, the supporting rod enters the inner part of the accommodating groove (2) to be accommodated, and the equipment can be carried at the moment.
9. The water conservancy construction metal pipeline welding device and the welding method thereof according to claim 8, wherein lengths of the two metal pipelines close to each other in the step S3 are reserved to be equal.
10. The water conservancy construction metal pipeline welding device and the welding method thereof according to claim 8, wherein the welding tool in the step S5 is a welding gun.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010167568.8A CN111283343A (en) | 2020-03-09 | 2020-03-09 | Metal pipeline welding device for water conservancy construction and welding method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010167568.8A CN111283343A (en) | 2020-03-09 | 2020-03-09 | Metal pipeline welding device for water conservancy construction and welding method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN111283343A true CN111283343A (en) | 2020-06-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010167568.8A Pending CN111283343A (en) | 2020-03-09 | 2020-03-09 | Metal pipeline welding device for water conservancy construction and welding method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN111283343A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111687580A (en) * | 2020-06-24 | 2020-09-22 | 河北工业职业技术学院 | Welding positioning platform |
| CN113263473A (en) * | 2021-07-19 | 2021-08-17 | 南通友善金属容器有限公司 | Auxiliary tool for disassembling and assembling pipeline equipment based on metal container assembly |
| CN114474751A (en) * | 2022-01-15 | 2022-05-13 | 曾丽娉 | PE pipeline connecting equipment for hydraulic engineering |
| CN114935045A (en) * | 2022-07-04 | 2022-08-23 | 许立民 | Pipeline fixing and protecting device for boiler heating |
| CN115056009A (en) * | 2022-05-23 | 2022-09-16 | 湖北美达电器有限公司 | A junction box automatic feeding device |
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| CN110280965A (en) * | 2019-07-28 | 2019-09-27 | 南京昱晟机器人科技有限公司 | A kind of workshop is used for the Intelligent welding tooling of metal tube |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111687580A (en) * | 2020-06-24 | 2020-09-22 | 河北工业职业技术学院 | Welding positioning platform |
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| CN114935045B (en) * | 2022-07-04 | 2023-08-04 | 许立民 | Pipeline fixing and protecting device for boiler heating |
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Application publication date: 20200616 |