CN218904114U - Centering welding frock of municipal pipeline construction - Google Patents
Centering welding frock of municipal pipeline construction Download PDFInfo
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- CN218904114U CN218904114U CN202222779313.4U CN202222779313U CN218904114U CN 218904114 U CN218904114 U CN 218904114U CN 202222779313 U CN202222779313 U CN 202222779313U CN 218904114 U CN218904114 U CN 218904114U
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Abstract
The utility model provides a centering welding tool for municipal pipeline construction, which comprises a tool vertical plate, wherein a main shaft is fixed at the bottom end of the tool vertical plate, and synchronous clamping jaw mechanisms for clamping a pipeline are symmetrically arranged on the main shaft and positioned at two ends of the tool vertical plate; each group of synchronous clamping jaw mechanisms respectively comprises a first clamping jaw and a second clamping jaw which are symmetrically hinged at the end head of the main shaft, and the first clamping jaw and a third clamping jaw hinged on the main shaft are connected in parallel at the same side; the second clamping jaw is connected with a fourth clamping jaw hinged on the main shaft in parallel arrangement on the same side; screw locking mechanisms for driving the clamping jaws on two sides to clamp synchronously are arranged between the first clamping jaw and the third clamping jaw which are positioned on the same side and the second clamping jaw and the fourth clamping jaw which are positioned on the other side. The fixture can be used for clamping in the pipeline welding process, and can synchronously realize the centering of two pipelines in the clamping process, so that the subsequent butt welding quality and reliability are ensured; meanwhile, the device can adapt to the butt joint of pipelines with different diameters, and the adaptability of the device is effectively enhanced.
Description
Technical Field
The utility model belongs to the technical field of municipal construction, and particularly relates to a centering welding tool for municipal pipeline construction.
Background
In order to ensure the butt welding quality of two pipelines, the two pipelines need to be clamped by a tool, and the centering of the pipelines is ensured in the clamping process, so that the dislocation of the pipelines in the subsequent welding process is prevented. At present, the butt welding process is generally adopted, symmetrically arranged supporting frames are adopted to support the pipeline, the centering of the pipeline is ensured by adjusting the positions of the supporting frames, the positions of the two supporting frames cannot be accurately adjusted in the operation process, and further the two pipelines cannot be centered, so that the problem that dislocation possibly occurs in the subsequent welding process is solved.
Although CN 212918307U discloses a tool clamp for welding pipes, which comprises a fixed clamp and a movable clamp capable of lifting, in the butt joint process, the centering of two pipes is realized by adjusting the height of the movable clamp, but the clamp adopts an arc-shaped hoop, which can only adapt to the pipes with a certain diameter size, and has poor adaptability.
Disclosure of Invention
In order to solve the technical problems, the utility model provides a centering welding tool for municipal pipeline construction, which can be used for clamping in the pipeline welding process, and can synchronously realize the centering of two pipelines in the clamping process, thereby ensuring the subsequent butt welding quality and reliability; meanwhile, the device can adapt to the butt joint of pipelines with different diameters, and the adaptability of the device is effectively enhanced.
In order to achieve the technical characteristics, the aim of the utility model is realized in the following way: the centering welding tool for municipal pipeline construction comprises a tool vertical plate, wherein a main shaft is fixed at the bottom end of the tool vertical plate, and synchronous clamping jaw mechanisms for clamping a pipeline are symmetrically arranged on the main shaft and positioned at two ends of the tool vertical plate;
each group of synchronous clamping jaw mechanisms respectively comprises a first clamping jaw and a second clamping jaw which are symmetrically hinged at the end head of the main shaft, and the first clamping jaw and a third clamping jaw hinged on the main shaft are connected in parallel at the same side; the second clamping jaw is connected with a fourth clamping jaw hinged on the main shaft in parallel arrangement on the same side;
screw locking mechanisms for driving the clamping jaws on two sides to clamp synchronously are arranged between the first clamping jaw and the third clamping jaw which are positioned on the same side and the second clamping jaw and the fourth clamping jaw which are positioned on the other side.
And a U-shaped groove is formed in the middle of the tool vertical plate.
The bottom of frock riser is processed and is had the main shaft mounting groove, and the main shaft passes through the inside of many main shaft pins fixed in the main shaft mounting groove.
The first clamping jaw and the third clamping jaw and the second clamping jaw and the fourth clamping jaw are fixedly connected through a plurality of groups of synchronous bolts and nuts respectively.
The clamping side inner walls of the first clamping jaw, the second clamping jaw, the third clamping jaw and the fourth clamping jaw are provided with clamping slot structures, the lower edges of the clamping slot structures are arc-shaped positioning edges, and the upper edges of the clamping slot structures are straight positioning edges; the arc-shaped positioning edge and the straight positioning edge are simultaneously in contact fit with the outer wall of the pipeline to be clamped.
The bottom U-shaped groove is formed in the bottom end of the tool vertical plate and located at the installation positions of the third clamping jaw and the fourth clamping jaw.
The screw locking mechanism comprises a first threaded column hinged between the first clamping jaw and the third clamping jaw through a first pin shaft, and a second threaded column hinged between the second clamping jaw and the fourth clamping jaw through a second pin shaft; the first thread column and the second thread column form reverse thread transmission fit with the two ends of the double-head screw rod at the same time, and the first clamping jaw, the third clamping jaw, the second clamping jaw and the fourth clamping jaw at the two sides are synchronously clamped or loosened; the tool vertical plate is characterized in that two ends of the tool vertical plate are provided with a top U-shaped groove used for penetrating through the double-head screw rod.
One of the ends of the double-end screw rod is fixed with a mounting sleeve, and a rotating hand lever is mounted on the mounting sleeve.
And a first limiting ring and a second limiting ring used for limiting the double-ended screw are symmetrically fixed on two sides of the double-ended screw, which are positioned on the top U-shaped groove.
The utility model has the following beneficial effects:
1. the fixture can be used for clamping in the pipeline welding process, and can synchronously realize the centering of two pipelines in the clamping process, so that the subsequent butt welding quality and reliability are ensured; meanwhile, the device can adapt to the butt joint of pipelines with different diameters, and the adaptability of the device is effectively enhanced.
2. The synchronous bolt and the nut ensure synchronous action between the first clamping jaw, the third clamping jaw, the second clamping jaw and the fourth clamping jaw which are positioned on the same side, and ensure that a certain distance is reserved between the two clamping jaws on the same side, thereby ensuring the reliability of clamping the pipeline and preventing the pipeline from rotating.
3. The clamping slot structure ensures that the pipeline can be reliably supported and limited in the clamping process, and adopts a tangential positioning structure, thereby ensuring the clamping reliability.
4. The screw locking mechanism can be used for driving the corresponding first clamping jaw, the third clamping jaw, the second clamping jaw and the fourth clamping jaw to synchronously rotate so as to realize clamping action, and a good centering effect is achieved by adopting the double-head screw.
5. The first limiting ring and the second limiting ring which are symmetrically arranged can be used for limiting the double-headed screw, so that centering of the double-headed screw is guaranteed, and the double-headed screw is prevented from falling off the top U-shaped groove.
Drawings
The utility model is further described below with reference to the drawings and examples.
Fig. 1 is a first perspective three-dimensional view of the present utility model.
Fig. 2 is a second perspective three-dimensional view of the present utility model.
Fig. 3 is a three-dimensional view of a third perspective of the present utility model.
Fig. 4 is a right side view of the present utility model.
Fig. 5 isbase:Sub>A viewbase:Sub>A-base:Sub>A of fig. 4 in accordance with the present utility model.
Fig. 6 is a front view of the present utility model.
Fig. 7 is a view B-B of fig. 6 in accordance with the present utility model.
Fig. 8 is a right side view of the present utility model when clamping a pipe of the same diameter.
Fig. 9 is a three-dimensional view of the present utility model when clamping pipes of different diameters.
In the figure: the clamping jaw comprises a first clamping jaw 1, a main shaft 2, a second clamping jaw 3, a tool vertical plate 4, a synchronous bolt 5, a third clamping jaw 6, a first pin shaft 7, a first threaded column 8, a double-headed screw 9, a mounting sleeve 10, a main shaft pin 11, a U-shaped groove 12, a rotating hand lever 13, a nut 14, a second pin shaft 15, a second threaded column 16, an arc-shaped positioning edge 17, a straight positioning edge 18, a fourth clamping jaw 19, a synchronous clamping jaw mechanism 20, a main shaft mounting groove 21, a bottom U-shaped groove 22, a second limiting ring 23, a first limiting ring 24 and a top U-shaped groove 25.
Detailed Description
Embodiments of the present utility model will be further described with reference to the accompanying drawings.
Example 1:
referring to fig. 1-9, a centering welding tool for municipal pipeline construction comprises a tool vertical plate 4, wherein a main shaft 2 is fixed at the bottom end of the tool vertical plate 4, and synchronous clamping jaw mechanisms 20 for clamping a pipeline are symmetrically arranged on the main shaft 2 and positioned at two ends of the tool vertical plate 4; each group of synchronous clamping jaw mechanisms 20 respectively comprises a first clamping jaw 1 and a second clamping jaw 3 which are symmetrically hinged at the end head of the main shaft 2, and the first clamping jaw 1 and a third clamping jaw 6 hinged on the main shaft 2 are connected in parallel at the same side; the second clamping jaw 3 is connected with a fourth clamping jaw 19 hinged on the main shaft 2 in parallel arrangement on the same side; screw locking mechanisms for driving the clamping jaws on two sides to clamp synchronously are arranged between the first clamping jaw 1 and the third clamping jaw 6 on the same side and the second clamping jaw 3 and the fourth clamping jaw 19 on the other side. The fixture can be used for clamping in the pipeline welding process, and can synchronously realize the centering of two pipelines in the clamping process, so that the subsequent butt welding quality and reliability are ensured; meanwhile, the device can adapt to the butt joint of pipelines with different diameters, and the adaptability of the device is effectively enhanced. Through the structure, in the butt joint process of specific pipelines, the screw locking mechanism can drive the synchronous clamping between the first clamping jaw 1 and the third clamping jaw 6 which are positioned on the same side and the second clamping jaw 3 and the fourth clamping jaw 19 which are positioned on the other side, and the centering of the pipelines is realized while the clamping is performed, so that the synchronous centering clamping of the two pipelines is realized, and the subsequent welding of the two pipelines is ensured.
Further, a U-shaped groove 12 is formed in the middle of the tool vertical plate 4. Through the U-shaped groove 12 and the penetration of welding equipment in the subsequent operation process, the normal welding process is ensured.
Further, a spindle mounting groove 21 is formed in the bottom end of the tool vertical plate 4, and the spindle 2 is fixed in the spindle mounting groove 21 through a plurality of spindle pins 11. The spindle 2 can be reliably mounted by the spindle mounting groove 21 described above.
Further, the first clamping jaw 1 and the third clamping jaw 6 and the second clamping jaw 3 and the fourth clamping jaw 19 are fixedly connected through a plurality of groups of synchronous bolts 5 and nuts 14 respectively. The synchronous action between the first clamping jaw 1, the third clamping jaw 6, the second clamping jaw 3 and the fourth clamping jaw 19 which are positioned on the same side is ensured through the synchronous bolt 5 and the nut 14, a certain distance is ensured between the two clamping jaws on the same side, the reliability of clamping a pipeline is ensured, and the pipeline is prevented from rotating.
Further, clamping slot structures are arranged on the inner walls of the clamping sides of the first clamping jaw 1, the second clamping jaw 3, the third clamping jaw 6 and the fourth clamping jaw 19, the lower side of the clamping slot structures is an arc-shaped positioning edge 17, and the upper side of the clamping slot structures is a straight positioning edge 18; the arc-shaped positioning edge 17 and the flat positioning edge 18 are simultaneously in contact fit with the outer wall of the pipeline to be clamped. The clamping slot structure ensures that the pipeline can be reliably supported and limited in the clamping process, and adopts a tangential positioning structure, thereby ensuring the clamping reliability.
Further, a bottom U-shaped groove 22 is formed in the bottom end of the tool vertical plate 4 and located at the installation positions of the third clamping jaw 6 and the fourth clamping jaw 19. The normal rotation of the respective third and fourth jaws 6, 19 on the spindle is ensured by the bottom U-shaped groove 22 described above.
Further, the screw locking mechanism comprises a first threaded column 8 hinged between the first clamping jaw 1 and the third clamping jaw 6 through a first pin shaft 7 and a second threaded column 16 hinged between the second clamping jaw 3 and a fourth clamping jaw 19 through a second pin shaft 15; the first thread column 8 and the second thread column 16 form reverse thread transmission fit with the two ends of the double-head screw rod 9 at the same time, and the first clamping jaw 1 and the third clamping jaw 6 on the two sides and the second clamping jaw 3 and the fourth clamping jaw 19 on the two sides are synchronously clamped or loosened; the two ends of the tool vertical plate 4 are provided with a top U-shaped groove 25 which is used for penetrating through the double-headed screw 9. The screw locking mechanism can be used for driving the corresponding first clamping jaw 1, the third clamping jaw 6, the second clamping jaw 3 and the fourth clamping jaw 19 to synchronously rotate so as to realize clamping action, and a good centering effect is achieved by adopting the double-headed screw 9. In the working process, the double-headed screw 9 synchronously drives the first threaded column 8 and the second threaded column 16 by rotating the double-headed screw 9, and then the first clamping jaw 1, the third clamping jaw 6, the second clamping jaw 3 and the fourth clamping jaw 19 are hinged with the first threaded column 8 and the second threaded column 16 by synchronous driving, so that a pipeline is clamped between the clamping jaws on two sides.
The double-ended screw 9 can be lifted and lowered within a certain range through the top U-shaped groove 25.
Further, one end of the double-end screw rod 9 is fixed with a mounting sleeve 10, and a rotating hand rod 13 is mounted on the mounting sleeve 10. The rotatable hand lever 13 can be used to rotate the double-ended screw 9.
Further, a first limiting ring 24 and a second limiting ring 23 for limiting the double-headed screw 9 are symmetrically fixed on two sides of the top U-shaped groove 25. The first limiting ring 24 and the second limiting ring 23 which are symmetrically arranged can be used for limiting the double-headed screw 9, so that centering of the double-headed screw 9 is ensured, and the double-headed screw is prevented from falling off the top U-shaped groove 25.
Example 2:
referring to fig. 8, the tool can be used for clamping first pipelines 25 with the same diameter, further realize centering clamping of two first pipelines 25, in the working process, through manual rotation of the double-headed screw 9, the double-headed screw 9 synchronously drives the first threaded column 8 and the second threaded column 16, and further, the first clamping jaw 1, the third clamping jaw 6, the second clamping jaw 3 and the fourth clamping jaw 19 are hinged with the first threaded column 8 and the second threaded column 16 through synchronous driving of the first threaded column 8 and the second threaded column 16, so that the first pipelines 25 are clamped between the clamping jaws at two sides.
Example 3:
referring to fig. 9, the fixture can be used for clamping second pipelines 26 and third pipelines 27 with different diameters, the second pipelines 26 and the third pipelines 27 are respectively arranged between clamping jaws at two sides of a vertical plate of the fixture, the double-headed screw 9 is manually rotated to synchronously drive the first threaded column 8 and the second threaded column 16, and then the first clamping jaw 1 and the third clamping jaw 6 are hinged with the second clamping jaw 3 and the fourth clamping jaw 19 through synchronous driving of the first threaded column 8 and the second threaded column 16, and then the second pipelines 26 and the third pipelines 27 are clamped between clamping jaws at two sides.
The working process and principle of the utility model are as follows:
when the pipeline is required to be centered and clamped, the double-headed screw 9 is rotated manually, the double-headed screw 9 synchronously drives the first threaded column 8 and the second threaded column 16, and then the first threaded column 8 and the second threaded column 16 are synchronously driven to be hinged with the first clamping jaw 1, the third clamping jaw 6, the second clamping jaw 3 and the fourth clamping jaw 19, so that the pipeline 25 is clamped between the clamping jaws at two sides; because the clamping jaws on the two sides adopt synchronous actions, the pipelines at the two ends can be centered and clamped, and then subsequent welding is carried out.
Claims (9)
1. Centering welding frock of municipal pipeline construction, its characterized in that: the pipeline clamping device comprises a tool vertical plate (4), wherein a main shaft (2) is fixed at the bottom end of the tool vertical plate (4), and synchronous clamping jaw mechanisms (20) used for clamping a pipeline are symmetrically arranged on the main shaft (2) and positioned at two ends of the tool vertical plate (4);
each group of synchronous clamping jaw mechanisms (20) respectively comprises a first clamping jaw (1) and a second clamping jaw (3) which are symmetrically hinged to the end head of the main shaft (2), and the first clamping jaw (1) is connected with a third clamping jaw (6) hinged to the main shaft (2) in parallel arrangement at the same side; the second clamping jaw (3) is connected with a fourth clamping jaw (19) hinged on the main shaft (2) in parallel arrangement at the same side;
screw locking mechanisms for driving the clamping jaws on two sides to synchronously clamp are arranged between the first clamping jaw (1) and the third clamping jaw (6) on the same side and the second clamping jaw (3) and the fourth clamping jaw (19) on the other side.
2. The centering welding fixture for municipal pipeline construction according to claim 1, wherein: the middle part of the tool vertical plate (4) is provided with a U-shaped groove (12).
3. The centering welding fixture for municipal pipeline construction according to claim 1, wherein: the bottom end of the tool vertical plate (4) is provided with a main shaft installation groove (21), and the main shaft (2) is fixed in the main shaft installation groove (21) through a plurality of main shaft pins (11).
4. The centering welding fixture for municipal pipeline construction according to claim 1, wherein: the first clamping jaw (1) and the third clamping jaw (6) and the second clamping jaw (3) and the fourth clamping jaw (19) are fixedly connected through a plurality of groups of synchronous bolts (5) and nuts (14) respectively.
5. The centering welding fixture for municipal pipeline construction according to claim 1 or 4, wherein: clamping slot structures are arranged on the inner walls of the clamping sides of the first clamping jaw (1), the second clamping jaw (3), the third clamping jaw (6) and the fourth clamping jaw (19), the lower edge of each clamping slot structure is an arc-shaped positioning edge (17), and the upper edge of each clamping slot structure is a straight positioning edge (18); the arc-shaped positioning edge (17) and the flat positioning edge (18) are simultaneously in contact fit with the outer wall of the pipeline to be clamped.
6. The centering welding fixture for municipal pipeline construction according to claim 1, wherein: the bottom end of the tool vertical plate (4) is provided with a bottom U-shaped groove (22) at the installation position of the third clamping jaw (6) and the fourth clamping jaw (19).
7. The centering welding fixture for municipal pipeline construction according to claim 1, wherein: the screw locking mechanism comprises a first threaded column (8) hinged between the first clamping jaw (1) and the third clamping jaw (6) through a first pin shaft (7) and a second threaded column (16) hinged between the second clamping jaw (3) and the fourth clamping jaw (19) through a second pin shaft (15); the first thread column (8) and the second thread column (16) form reverse thread transmission fit with the two ends of the double-head screw rod (9) at the same time, and the first clamping jaw (1) and the third clamping jaw (6) on the two sides, the second clamping jaw (3) and the fourth clamping jaw (19) are synchronously clamped or loosened; the two ends of the tool vertical plate (4) are provided with a top U-shaped groove (25) for penetrating through the double-head screw rod (9).
8. The centering welding tool for municipal pipeline construction according to claim 7, wherein: one end of the double-end screw rod (9) is fixed with a mounting sleeve (10), and a rotating hand rod (13) is mounted on the mounting sleeve (10).
9. The centering welding tool for municipal pipeline construction according to claim 7, wherein: and a first limiting ring (24) and a second limiting ring (23) for limiting the double-ended screw rod (9) are symmetrically fixed on two sides of the top U-shaped groove (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222779313.4U CN218904114U (en) | 2022-10-21 | 2022-10-21 | Centering welding frock of municipal pipeline construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222779313.4U CN218904114U (en) | 2022-10-21 | 2022-10-21 | Centering welding frock of municipal pipeline construction |
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| Publication Number | Publication Date |
|---|---|
| CN218904114U true CN218904114U (en) | 2023-04-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222779313.4U Active CN218904114U (en) | 2022-10-21 | 2022-10-21 | Centering welding frock of municipal pipeline construction |
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| Country | Link |
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| CN (1) | CN218904114U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117020561A (en) * | 2023-09-28 | 2023-11-10 | 中国核工业二三建设有限公司 | Quick clamping tool for pipe welded junction |
-
2022
- 2022-10-21 CN CN202222779313.4U patent/CN218904114U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117020561A (en) * | 2023-09-28 | 2023-11-10 | 中国核工业二三建设有限公司 | Quick clamping tool for pipe welded junction |
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