CN112743288A - Pipe fitting welding frock - Google Patents
Pipe fitting welding frock Download PDFInfo
- Publication number
- CN112743288A CN112743288A CN202011554445.6A CN202011554445A CN112743288A CN 112743288 A CN112743288 A CN 112743288A CN 202011554445 A CN202011554445 A CN 202011554445A CN 112743288 A CN112743288 A CN 112743288A
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- bearing
- pipe fitting
- driving
- base
- adjusting
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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
- B23K37/053—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor
-
- 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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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention discloses a pipe welding tool which comprises a base, wherein two movable plates are symmetrically and slidably connected to the upper surface of the base, and a first driving assembly is arranged in the base; the upper surfaces of the two moving plates are connected with bearing vertical plates, the upper parts of the bearing vertical plates are rotatably provided with rotating disks, the inner side surfaces of the rotating disks are connected with bearing frames, tensioning screw rods are rotatably arranged in the bearing frames and extend along the radial direction of the rotating disks, and second driving assemblies are arranged on the outer sides of the rotating disks; a moving block is arranged on the outer side of the tightening screw rod through threads, and an arc-shaped supporting plate is connected to the side surface of the moving block; the upper surface of the moving plate is connected with a height adjusting rod, and the telescopic end of the height adjusting rod is connected with a V-shaped seat. Has the advantages that: the pipe fitting is internally tightened, so that the welding requirements of pipe fittings with different inner diameter sizes can be met, and the application range is wide; the welding seam width adjusting device is convenient to adjust the width of the welding seam, ensures the welding quality, and is simple and convenient to operate and good in using effect.
Description
Technical Field
The invention relates to the technical field of welding tools, in particular to a pipe fitting welding tool.
Background
Tubular part is machining's common product, and the welding is the common process that tubular part made, in order to make things convenient for carry out the butt welding to two pipe fittings, needs to use welding frock. However, the existing pipe welding tool is inconvenient to adjust, cannot meet the welding requirements of pipes with different inner diameter sizes, and is limited in application range; meanwhile, the width of the welding line is not convenient to adjust, and the welding quality is not ideal.
Disclosure of Invention
The invention aims to solve the problems, and provides a pipe welding tool to solve the problems that the existing pipe welding tool in the prior art is inconvenient to adjust, cannot meet the welding requirements of pipes with different inner diameter sizes, and is limited in application range; meanwhile, the width of the welding line is not convenient to adjust, the welding quality is not ideal, and the like. According to the invention, the optimized technical scheme in the multiple technical schemes is used for internally bracing the pipe fitting, so that the welding requirements of the pipe fittings with different inner diameter sizes can be met, and the application range is wide; the welding seam width is convenient to adjust, the welding quality is guaranteed, the operation is simple and convenient, the using effect is good, and the like, and the technical effects are explained in detail below.
In order to achieve the purpose, the invention provides the following technical scheme:
the invention provides a pipe welding tool which comprises a base, wherein two movable plates are symmetrically and slidably connected to the upper surface of the base, and a first driving assembly for driving the two movable plates to move in the opposite direction or in the opposite direction is arranged in the base;
the upper surfaces of the two moving plates are connected with vertical bearing plates, the upper parts of the vertical bearing plates are rotatably provided with rotating disks, the side faces, close to the center of the base, of the rotating disks are connected with bearing frames, the bearing frames are provided with a plurality of bearing frames and are uniformly distributed on the circumference of the axis of the rotating disks, tensioning screw rods are rotatably arranged in the bearing frames and extend along the radial direction of the rotating disks, and second driving assemblies for driving all the tensioning screw rods to synchronously rotate are arranged on the outer sides of the rotating disks; a moving block is installed on the outer side of the tightening screw rod through threads, and a horizontally extending arc-shaped supporting plate is connected to the side face, close to the center of the base, of the moving block; the movable plate is close to the upper surface at the center of the base and is connected with a height adjusting rod, and the telescopic end of the height adjusting rod is vertically upward and is connected with a V-shaped seat for supporting the pipe fitting.
When the pipe fitting welding tool is used, the arc-shaped supporting plates are positioned inside pipes to be welded, the end parts of the pipes with the welded pipes are in contact with the moving block, all the tightening lead screws are driven to synchronously rotate through the second driving assembly, and the moving block moves in the direction away from the circumference rotation of the rotating disc, so that the inner walls of the pipes with the welded pipes are tightened by the arc-shaped supporting plates, the use requirements of pipe fittings with different inner diameter sizes can be met, and the application range is wide; the height of the height adjusting rod is adjusted, the pipe fittings are supported through the V-shaped seats, and the levelness of the pipe fittings is guaranteed, so that the coaxiality of two butt-welded pipe fittings is guaranteed, and the welding quality is guaranteed; through two drive assembly drives the movable plate is close to each other, makes the loading board drives two and takes the welding pipe to be close to, can realize the regulation of welding seam width, guarantees welding quality, and whole easy operation is convenient, excellent in use effect.
Preferably, the base upper surface is provided with the adjustment tank, first drive assembly is including adjusting the lead screw, it installs to adjust the lead screw rotation the adjustment tank is inside, adjust the lead screw by coaxial coupling's first lead screw with the second lead screw constitutes, first lead screw with the screw thread of second lead screw revolves to opposite, first lead screw with the second lead screw outside is installed first sliding block and second sliding block through the screw thread respectively, first sliding block with the second sliding block all with adjustment tank clearance fit, first sliding block with the second sliding block respectively with two the movable plate is connected.
Preferably, either end of the adjusting screw penetrates through the adjusting groove and is connected with an adjusting hand wheel.
Preferably, a guide rod parallel to the tightening screw rod is arranged in the fixing frame, and the guide rod penetrates through the moving block.
Preferably, the second driving assembly comprises a driving shaft and a driven bevel gear, the driven bevel gear is connected to the end portion, close to the center of the rotating disc, of the tightening screw, the driving shaft is installed inside the rotating disc in a penetrating and rotating mode, the end portion, close to the center of the base, of the driving shaft is connected with a driving bevel gear, and the driving bevel gear is meshed with the driven bevel gear.
Preferably, a driving hand wheel is connected to the end of the driving shaft far away from the center of the base.
Preferably, the number of the fixing frames is three, and the fixing frames are uniformly distributed on the circumference of the center line of the rotating disc.
Preferably, the end part of the fixing frame, which is far away from the central line of the rotating disc, is provided with a pressing assembly, the pressing assembly corresponds to the arc-shaped supporting plate, the pressing assembly comprises a fixing plate, and the surface of the fixing plate is provided with a clamping bolt through threads.
Preferably, a rubber pad is connected to an end of the clamping bolt.
Preferably, the height adjusting rod comprises a bearing pipe, a lifting groove is formed in the outer wall of the bearing pipe in a penetrating mode, a bearing sleeve is installed inside the upper end of the bearing pipe through a bearing, the upper end of the bearing sleeve penetrates out of the bearing pipe and is connected with an adjusting nut, a lifting screw is installed inside the adjusting nut through threads, the outer end of the lifting screw is connected with the V-shaped seat, the inner end of the lifting screw stretches into the inside of the bearing pipe and is connected with a guide block, and the guide block is in clearance fit with the lifting groove.
Has the advantages that: 1. the second driving assembly drives the tightening screw rod to rotate, so that the moving block moves outside the tightening screw rod, the arc-shaped supporting plate moves along with the moving block to internally tighten the pipe fitting, and the use requirements of the pipe fittings with different inner diameter sizes can be met;
2. the height of the height adjusting rod is adjusted, and the height adjusting rod is matched with the V-shaped seat, so that pipe fittings with different outer diameter sizes can be tightly supported, and the levelness of the pipe fittings is ensured, thereby ensuring the coaxiality of two butt-welded pipe fittings and ensuring the welding quality;
3. the two movable plates are driven by the first driving assembly to move oppositely, so that the two bearing vertical plates are close to each other, the width of a welding seam is adjusted, and the welding quality is guaranteed.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a front cross-sectional view of FIG. 1;
FIG. 3 is an enlarged view of the second drive assembly;
fig. 4 is an enlarged schematic view of the structure of the heightening rod.
The reference numerals are explained below:
1. a base; 101. an adjustment groove; 2. moving the plate; 3. a first drive assembly; 301. adjusting a hand wheel; 302. a first slider; 303. adjusting the lead screw; 304. a second slider; 305. a first lead screw; 306. a second lead screw; 4. a bearing vertical plate; 5. a second drive assembly; 501. driving a hand wheel; 502. a drive shaft; 503. a drive bevel gear; 504. a driven bevel gear; 6. rotating the disc; 7. a height adjusting rod; 701. a carrier tube; 702. a lifting groove; 703. a guide block; 704. a bearing sleeve; 705. adjusting the nut; 706. lifting a screw rod; 8. a V-shaped seat; 9. an arc-shaped supporting plate; 10. a compression assembly; 1001. clamping the bolt; 1002. a fixing plate; 1003. a rubber pad; 11. a fixed mount; 12. a guide bar; 13. a moving block; 14. and tightening the screw rod.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
Referring to fig. 1 to 4, the invention provides a pipe welding tool, which comprises a base 1, wherein two movable plates 2 are symmetrically and slidably connected to the upper surface of the base 1, and a first driving assembly 3 for driving the two movable plates 2 to move towards or away from each other is arranged in the base 1;
the upper surfaces of the two moving plates 2 are connected with a bearing vertical plate 4, the upper part of the bearing vertical plate 4 is rotatably provided with a rotating disk 6, the side surface of the rotating disk 6 close to the center of the base 1 is connected with a plurality of bearing frames, the bearing frames are uniformly distributed along the circumference of the axis of the rotating disk 6, tightening screw rods 14 are rotatably arranged in the bearing frames, the tightening screw rods 14 extend along the radial direction of the rotating disk 6, and the outer side of the rotating disk 6 is provided with a second driving assembly 5 for driving all the tightening screw rods 14 to synchronously rotate; a moving block 13 is installed on the outer side of the tightening screw 14 through threads, and a horizontally extending arc-shaped supporting plate 9 is connected to the side surface of the moving block 13 close to the center of the base 1; the upper surface that the movable plate 2 is close to base 1 center is connected with heightening pole 7, and heightening pole 7's flexible end is vertical upwards just to be connected with V type seat 8 for support the pipe fitting.
As an alternative embodiment, the upper surface of the base 1 is provided with an adjusting groove 101, the first driving assembly 3 includes an adjusting lead screw 303, the adjusting lead screw 303 is rotatably installed inside the adjusting groove 101, the adjusting lead screw 303 is composed of a first lead screw 305 and a second lead screw 306 which are coaxially connected, the screw thread directions of the first lead screw 305 and the second lead screw 306 are opposite, the outer sides of the first lead screw 305 and the second lead screw 306 are respectively provided with a first sliding block 302 and a second sliding block 304 through screw threads, the first sliding block 302 and the second sliding block 304 are in clearance fit with the adjusting groove 101, the first sliding block 302 and the second sliding block 304 are respectively connected with the two moving plates 2, the adjusting lead screw 303 is screwed, because the screw thread directions of the first lead screw 305 and the second lead screw 306 are opposite, the first sliding block 302 and the second sliding block 304 are limited and guided by the adjusting groove 101, the first sliding block 302 and the second sliding block 304 are close to or far away from each other by screw, thereby driving the two moving plates 2 to approach or depart from each other.
Any end of the adjusting screw 303 penetrates through the adjusting groove 101 and is connected with the adjusting hand wheel 301, so that the adjusting screw 303 can be conveniently screwed through the adjusting hand wheel 301.
The fixing frame 11 is internally provided with a guide rod 12 parallel to the tightening screw 14, the guide rod 12 penetrates through the moving block 13, and the guide rod 12 is arranged to limit and guide the moving block 13 so as to ensure that the moving block 13 moves stably.
The second driving assembly 5 comprises a driving shaft 502 and a driven bevel gear 504, the driven bevel gear 504 is connected to the end portion, close to the center of the rotating disc 6, of the tightening screw 14, the driving shaft 502 is installed inside the rotating disc 6 in a penetrating and rotating mode, the end portion, close to the center of the base 1, of the driving shaft 502 is connected with a driving bevel gear 503, the driving bevel gear 503 is meshed with the driven bevel gear 504, and the driving shaft 502 is screwed and is in meshed transmission through the driving bevel gear 503 and the driven bevel gear 504, so that all the tightening screws 14 are driven to rotate synchronously.
The end of the driving shaft 502 far from the center of the base 1 is connected with a driving handwheel 501, so that the driving handwheel 501 can be used for screwing the driving shaft 502 conveniently.
The mount 11 is provided with threely, and with the central line circumference evenly distributed of rotary disk 6, sets up like this, can guarantee the firm nature that the arc fagging 9 propped up the fastening of pipe fitting.
The end portion of the fixing frame 11 far away from the central line of the rotating disc 6 is provided with a pressing assembly 10, the pressing assembly 10 corresponds to the arc supporting plate 9, the pressing assembly 10 comprises a fixing plate 1002, a clamping bolt 1001 is installed on the surface of the fixing plate 1002 through threads, the fixing plate is arranged in a manner that the clamping bolt 1001 is screwed to clamp and fix the pipe fitting, and the stability of the pipe fitting is further guaranteed.
The end connection of clamping bolt 1001 has rubber pad 1003, sets up like this, can improve clamping bolt 1001 to the tight steadiness of clamp of pipe fitting, can prevent to cause the damage to the pipe fitting outer wall simultaneously.
The height-adjusting rod 7 comprises a bearing pipe 701, a lifting groove 702 is arranged on the outer wall of the bearing pipe 701 in a penetrating mode, a bearing sleeve 704 is installed inside the upper end of the bearing pipe 701 through a bearing, the upper end of the bearing sleeve 704 penetrates out of the bearing pipe 701 and is connected with an adjusting nut 705, a lifting lead screw 706 is installed inside the adjusting nut 705 through threads, the outer end of the lifting lead screw 706 is connected with a V-shaped seat 8, the inner end of the lifting lead screw 706 extends into the bearing pipe 701 and is connected with a guide block 703, the guide block 703 is in clearance fit with the lifting groove 702, the adjusting nut 705 is screwed, the lifting lead screw 706 is limited and guided through the guide block 703 and the lifting groove 702, and the lifting lead screw 706 is lifted inside the bearing pipe 701 through thread transmission, so.
By adopting the structure, when in use, the arc supporting plate 9 is positioned inside the pipe to be welded, the end part with the welding pipe is contacted with the moving block 13, all the tightening lead screws 14 are driven to synchronously rotate by the second driving component 5, and the moving block 13 moves along the direction of the peripheral rotation far away from the rotating disc 6, so that the inner wall of the pipe to be welded is tightened by the arc supporting plate 9, the use requirements of pipe fittings with different inner diameter sizes can be met, and the application range is wide; the height of the height adjusting rod 7 is adjusted, the pipe fittings are supported through the V-shaped seats 8, and the levelness of the pipe fittings is guaranteed, so that the coaxiality of two butt-welded pipe fittings is guaranteed, and the welding quality is guaranteed; two movable plates 2 are driven to be close to each other through the first driving assembly 3, so that the bearing plate drives the two welding pipes to be close to each other, the width of the welding line can be adjusted, the welding quality is guaranteed, the whole operation is simple and convenient, and the using effect is good.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (10)
1. The utility model provides a pipe fitting welding frock which characterized in that: the movable type automatic lifting device comprises a base (1), wherein two movable plates (2) are symmetrically and slidably connected to the upper surface of the base (1), and a first driving assembly (3) for driving the two movable plates (2) to move in the opposite direction or in the opposite direction is arranged in the base (1);
the upper surfaces of the two moving plates (2) are connected with bearing vertical plates (4), the upper parts of the bearing vertical plates (4) are rotatably provided with rotating discs (6), the side faces, close to the centers of the bases (1), of the rotating discs (6) are connected with bearing frames, the bearing frames are provided with a plurality of bearing frames and are uniformly distributed on the circumference of the axis of the rotating discs (6), tightening screw rods (14) are rotatably arranged in the bearing frames, the tightening screw rods (14) extend along the radial direction of the rotating discs (6), and second driving assemblies (5) for driving all the tightening screw rods (14) to synchronously rotate are arranged on the outer sides of the rotating discs (6); a moving block (13) is installed on the outer side of the tightening screw rod (14) through threads, and a horizontally extending arc-shaped supporting plate (9) is connected to the side face, close to the center of the base (1), of the moving block (13); the movable plate (2) is close to the upper surface at the center of the base (1) is connected with a heightening rod (7), and the telescopic end of the heightening rod (7) vertically upwards is connected with a V-shaped seat (8) and is used for supporting a pipe fitting.
2. The pipe fitting welding tool of claim 1, wherein: the upper surface of the base (1) is provided with an adjusting groove (101), the first driving assembly (3) comprises an adjusting lead screw (303), the adjusting lead screw (303) is rotatably installed inside the adjusting groove (101), the adjusting lead screw (303) is composed of a first lead screw (305) and a second lead screw (306) which are coaxially connected, the thread turning directions of the first lead screw (305) and the second lead screw (306) are opposite, a first sliding block (302) and a second sliding block (304) are installed on the outer side of the second lead screw (306) through threads respectively, the first sliding block (302) and the second sliding block (304) are in clearance fit with the adjusting groove (101), and the first sliding block (302) and the second sliding block (304) are connected with the moving plate (2) respectively.
3. The pipe fitting welding tool of claim 2, wherein: any end of the adjusting screw rod (303) penetrates through the adjusting groove (101) and is connected with an adjusting hand wheel (301).
4. The pipe fitting welding tool of claim 1, wherein: the fixed frame (11) is internally provided with a guide rod (12) parallel to the tightening screw rod (14), and the guide rod (12) penetrates through the moving block (13).
5. The pipe fitting welding tool of claim 4, wherein: the second driving assembly (5) comprises a driving shaft (502) and a driven bevel gear (504), the driven bevel gear (504) is connected to the end portion, close to the center of the rotating disc (6), of the tightening screw rod (14), the driving shaft (502) is installed inside the rotating disc (6) in a penetrating and rotating mode, the end portion, close to the center of the base (1), of the driving shaft (502) is connected with a driving bevel gear (503), and the driving bevel gear (503) is meshed with the driven bevel gear (504).
6. The pipe fitting welding tool of claim 5, wherein: the end part of the driving shaft (502) far away from the center of the base (1) is connected with a driving hand wheel (501).
7. The pipe fitting welding tool of claim 5, wherein: the number of the fixing frames (11) is three, and the fixing frames are uniformly distributed on the circumference of the center line of the rotating disc (6).
8. The pipe fitting welding tool of claim 7, wherein: the end part, far away from the central line of the rotating disc (6), of the fixing frame (11) is provided with a pressing assembly (10), the pressing assembly (10) corresponds to the arc supporting plate (9), the pressing assembly (10) comprises a fixing plate (1002), and a clamping bolt (1001) is installed on the surface of the fixing plate (1002) through threads.
9. The pipe fitting welding tool of claim 8, wherein: the end of the clamping bolt (1001) is connected with a rubber pad (1003).
10. The pipe fitting welding tool of claim 1, wherein: the height adjusting rod (7) comprises a bearing pipe (701), a lifting groove (702) is arranged on the outer wall of the bearing pipe (701) in a penetrating mode, a bearing sleeve (704) is installed inside the upper end of the bearing pipe (701) through a bearing, the upper end of the bearing sleeve (704) penetrates out of the bearing pipe (701) and is connected with an adjusting nut (705), a lifting screw rod (706) is installed inside the adjusting nut (705) through threads, the outer end of the lifting screw rod (706) is connected with the V-shaped seat (8), the inner end of the lifting screw rod (706) stretches into the inside of the bearing pipe (701) and is connected with a guide block (703), and the guide block (703) is in clearance fit with the lifting groove (702).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011554445.6A CN112743288A (en) | 2020-12-24 | 2020-12-24 | Pipe fitting welding frock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011554445.6A CN112743288A (en) | 2020-12-24 | 2020-12-24 | Pipe fitting welding frock |
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| Publication Number | Publication Date |
|---|---|
| CN112743288A true CN112743288A (en) | 2021-05-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011554445.6A Pending CN112743288A (en) | 2020-12-24 | 2020-12-24 | Pipe fitting welding frock |
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| CN (1) | CN112743288A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113245876A (en) * | 2021-06-11 | 2021-08-13 | 四川航天长征装备制造有限公司 | Tunnel pipe milling flutes anchor clamps |
| CN114289987A (en) * | 2021-11-24 | 2022-04-08 | 东风佛吉亚排气控制技术有限公司 | Welding tool for components in mixer |
| CN114473202A (en) * | 2022-03-22 | 2022-05-13 | 石河子大学 | Welding set fast aligns in rectangle test piece welding seam |
| CN114952171A (en) * | 2022-03-16 | 2022-08-30 | 浙江共合实业有限公司 | Stainless steel pipe fitting ring welding machine tool fixture device |
| CN114985883A (en) * | 2022-07-18 | 2022-09-02 | 中铁山桥集团有限公司 | Full-automatic welding production line for base plates |
| CN115301510A (en) * | 2022-07-21 | 2022-11-08 | 北京浦丹光电股份有限公司 | Automatic glue homogenizing device for circular tube shell packaged by glue |
| CN117548977A (en) * | 2023-12-21 | 2024-02-13 | 枣庄市建设工程质量检测中心有限公司 | Auxiliary welding device for steel pipe for building |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113245876A (en) * | 2021-06-11 | 2021-08-13 | 四川航天长征装备制造有限公司 | Tunnel pipe milling flutes anchor clamps |
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| CN114985883B (en) * | 2022-07-18 | 2022-12-20 | 中铁山桥集团有限公司 | Full-automatic welding production line for base plates |
| CN115301510A (en) * | 2022-07-21 | 2022-11-08 | 北京浦丹光电股份有限公司 | Automatic glue homogenizing device for circular tube shell packaged by glue |
| CN115301510B (en) * | 2022-07-21 | 2023-09-26 | 北京浦丹光电股份有限公司 | Automatic glue homogenizing device for glue packaging of round tube shell |
| CN117548977A (en) * | 2023-12-21 | 2024-02-13 | 枣庄市建设工程质量检测中心有限公司 | Auxiliary welding device for steel pipe for building |
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