CN214721920U - External clamping type pipeline butt joint adjusting device - Google Patents
External clamping type pipeline butt joint adjusting device Download PDFInfo
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- CN214721920U CN214721920U CN202022909092.9U CN202022909092U CN214721920U CN 214721920 U CN214721920 U CN 214721920U CN 202022909092 U CN202022909092 U CN 202022909092U CN 214721920 U CN214721920 U CN 214721920U
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- clamping ring
- butt joint
- pull rod
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Abstract
The utility model provides an outer formula pipeline butt joint adjusting device that presss from both sides. The external clamping type pipeline butt joint adjusting device comprises an upper clamping ring, a lower clamping ring, an adjusting pull rod, a pressing plate, a jacking bolt and a pushing block; the upper clamping ring consists of an arc plate, a ribbed plate and a connecting plate, wherein a U-shaped groove is formed in the middle of the ribbed plate, and annular grooves are formed in two sides of the U-shaped groove; the upper clamping ring and the lower clamping ring are connected with a nut through bolts to form a clamp, are arranged on the pipeline I and the pipeline II and are locked by adopting a clamping bolt and a clamping nut; the butt locking rings are connected through an adjusting pull rod, and square nuts are assembled at two ends of the adjusting pull rod and are limited in the U-shaped groove; the annular groove transversely penetrates through the pressing plate, and the pressing plate is provided with a puller bolt. The utility model shortens the gap of the butt joint port of the pipeline by rotating the adjusting screw to pull close or push open, and realizes the adjustment of the axial gap during the butt joint of the pipeline; meanwhile, the puller bolt penetrates through the pressing plate to drive the pushing block to be attached to the pipeline tightly, and radial adjustment during butt joint of the pipeline is achieved. The device is suitable for being used as a pipeline butt joint adjusting device.
Description
Technical Field
The utility model relates to a pipeline assembly in boats and ships field especially relates to outer formula pipeline butt joint adjusting device that presss from both sides.
Background
The butt welding pipeline needs to be aligned with the interfaces at two ends before welding, wherein the adjustment of the radial error variable of the pipe orifice and the adjustment of the root gap of the axial welding seam in two directions are included.
The pipeline centering device can be used for radial centering of a pipeline interface in traditional construction, but the device does not have an axial adjusting function, the centering device must be loosened for adjusting the axial clearance of the interface every time, and after the axial clearance is adjusted, the pipeline centering device is installed again for radial centering recovery of the interface. Because the requirement range for the root clearance of the welding seam in the pipeline welding process is very small, and the clearance deviation value in the circumferential direction is smaller, the adjusted axial clearance does not meet the requirement after the radial centering is recovered in actual construction, and the radial and axial requirements of the interface are difficult to meet the assembly requirement at the same time. The repeated adjustment of the alignment of the interface increases the workload of construction, reduces the construction efficiency, and has low adjustment precision, the assembly quality before pipeline welding can not be ensured, and the pipeline welding quality can not be ensured.
Disclosure of Invention
In order to use one side pipeline interface as the benchmark when the pipeline butt joint installation, carry out axial and radial adjustment with the opposite side pipeline, make its mouth of pipe satisfy the technological requirement rather than the pipeline centering state of being connected, the interface is adjusted well before the butt welding pipeline welding, the utility model provides an outer formula pipeline butt joint adjusting device that presss from both sides. The device adjusts the axial clearance between the pipeline through the adjustment pull rod, and the puller bolt on the clamp plate drives the bulldozing block to extrude the pipeline, carries out the radial movement of pipeline, and the axial when solving the pipeline butt joint and the technical problem of radial butt joint adjustment.
The utility model provides a scheme that technical problem adopted is:
the external clamping type pipeline butt joint adjusting device comprises an upper clamping ring, a lower clamping ring, an adjusting pull rod, a pressing plate, a jacking bolt and a pushing block; the upper clamping ring consists of an arc plate, a rib plate and a connecting plate, the semicircular rib plate is welded on the outer side of the semicircular arc plate, the connecting plate is welded at one end of the rib plate, a through hole is formed in the connecting plate and used for assembling a clamping bolt, a through hole penetrating through the bolt is formed in the other end of the rib plate, a U-shaped groove is formed in the middle of the rib plate, and annular grooves are uniformly distributed in two sides of the U-shaped groove; the upper clamping ring and the lower clamping ring have the same structure, are connected through bolts and nuts to form a hoop, are respectively arranged at two ends of the pipeline I and the pipeline II, and are locked by adopting clamping bolts and clamping nuts to form a butt-joint locking ring; the butt-joint locking rings are connected through the adjusting pull rod, square nuts are assembled at two ends of the adjusting pull rod and are limited in the U-shaped groove, when the adjusting pull rod is rotated, the square nuts are tightly attached to the action surfaces of the upper clamping ring and the lower clamping ring, and further the pipeline I and the pipeline II on the butt-joint locking rings are driven to axially move; four pressure plates which are uniformly distributed in the radial direction transversely penetrate through the annular groove between the butting locking rings, each pressure plate is provided with a jacking bolt, and the jacking bolts are rotated to perform radial centering adjustment on the pipeline I or the pipeline II.
In order to further solve the technical problem to be solved by the present invention, in the square nut provided by the present invention, the square nut is divided into a left-handed square nut and a right-handed square nut, which are engaged with the threads at the two ends of the adjusting rod.
Furthermore, the screw threads at the two ends of the adjusting pull rod are provided with left-handed screw threads at one end and right-handed screw threads at the other end, and square nuts connected to the two ends limit the adjusting pull rod in a U-shaped groove of the upper clamping ring or the lower clamping ring.
Furthermore, the lower part of the puller bolt is also provided with a pushing block which is in an arc block shape, and the arc at the lower part of the pushing block corresponds to the geometric dimensions of the pipeline I and the pipeline II; the circular plate installed through the baffle ring and the screw is embedded in the groove in the upper portion of the pushing block, the pushing block is driven by the pushing bolt to extrude the circular plate, and radial adjustment of the pipeline I or the pipeline II is achieved.
The utility model has the advantages that the adjusting pull rod is clamped between the butt locking rings, the square nut is limited in the U-shaped groove, and the adjusting pull rod is rotated to draw the gap of the pipeline butt joint port to be close or open, so that the axial gap can be adjusted during the pipeline butt joint; meanwhile, the annular groove penetrates through the pressing plate, the jacking bolt penetrates through the pressing plate to drive the pushing block to be attached to the pipeline tightly, radial centering of the pipeline is conducted at four radial uniform points, and radial adjustment during butt joint of the pipeline is achieved. The utility model is suitable for a before the welding of the same specification pipeline interface is adjusted well, have simple structure, convenient operation, cost of manufacture and low in labor strength's advantage. The device is suitable for being used as a pipeline butt joint adjusting device.
Drawings
FIG. 1 is a front view of the present invention;
fig. 2 is a top view of the present invention;
FIG. 3 is a sectional view taken along line A-A of the present invention;
FIG. 4 is an assembly view of the jack bolt and the ram.
In the figure, 1, a pipeline I, 2, a pipeline II, 3, an upper clamping ring, 3.1, an arc plate, 3.2 rib plates, 3.3 connecting plates, 3.4 annular grooves, 3.5U-shaped grooves, 4, a lower clamping ring, 5, an adjusting pull rod, 6, a square nut, 7, a pressure plate, 8, a puller bolt, 9, a nut, 10, a bolt, 11, a clamping bolt, 12, a clamping nut, 13, a screw, 14, a circular plate, 15, a pushing block and 16 a retaining ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in the figure, the external clamp type pipeline butt joint adjusting device comprises an upper clamping ring 3, a lower clamping ring 4, an adjusting pull rod 5, a pressure plate 7, a puller bolt 8 and a pushing block 15; the upper clamping ring 3 consists of an arc plate 3.1, a rib plate 3.2 and a connecting plate 3.3, the semicircular rib plate 3.2 is welded on the outer side of the semicircular arc plate 3.1, the connecting plate 3.3 is welded at one end of the rib plate 3.2, a through hole is formed in the connecting plate 3.3 and used for assembling a clamping bolt 11, a through hole penetrating through a bolt 10 is formed in the other end of the rib plate 3.2, a U-shaped groove 3.5 is formed in the middle of the rib plate 3.2, and annular grooves 3.4 are uniformly distributed on two sides of the U-shaped groove 3.5; the upper clamping ring 3 and the lower clamping ring 4 have the same structure, are connected with a nut 9 through a bolt 10 to form a hoop, are respectively arranged at two ends of a pipeline I1 and a pipeline II 2, and are locked by a clamping bolt 11 and a clamping nut 12 to form a butt locking ring; the butt-joint locking rings are connected through an adjusting pull rod 5, square nuts 6 are assembled at two ends of the adjusting pull rod 5 and are limited in the U-shaped grooves 3.5, when the adjusting pull rod 5 is rotated, the square nuts 6 are tightly attached to the action surfaces of the upper clamping ring 3 and the lower clamping ring 4, and further the pipeline I1 and the pipeline II 2 on the butt-joint locking rings are driven to axially move; four radial pressing plates 7 are evenly distributed on the annular groove 3.4 between the butting locking rings in a transverse penetrating mode, the pressing plates 7 are provided with puller bolts 8, and the puller bolts 8 are rotated to conduct radial centering adjustment on the pipeline I1 or the pipeline II 2.
The square nut 6 is divided into a left-handed square nut and a right-handed square nut which are matched with the threads at the two ends of the adjusting pull rod 5.
The adjusting pull rod 5 is limited in a U-shaped groove 3.5 of the upper clamping ring 3 or the lower clamping ring 4 by square nuts 6 connected to two ends of the adjusting pull rod 5, wherein one end of the adjusting pull rod is provided with left-handed threads, and the other end of the adjusting pull rod is provided with right-handed threads.
The lower part of the puller bolt 8 is also provided with a pushing block 15, the pushing block 15 is in an arc block shape, and the arc at the lower part corresponds to the geometric dimensions of the pipeline I1 and the pipeline II 2; a circular plate 14 installed through a baffle ring 16 and a screw 13 is embedded in a groove in the upper portion of the pushing block 15, and the pushing bolt 8 extrudes the circular plate 14 to drive the pushing block 15, so that radial adjustment of the pipeline I1 or the pipeline II 2 is achieved.
The utility model discloses the theory of operation:
and respectively installing the upper clamping ring and the lower clamping ring on a pipeline to be butted, penetrating the pressing plate into the annular groove, screwing the jacking bolt into the bolt hole on the pressing plate, and jacking four points in the radial circumferential direction to adjust radial centering.
Square nuts are arranged at two ends of the adjusting pull rod and are placed in U-shaped groove structures on the upper clamping ring or the lower clamping ring at two ends, and the upper position and the lower position of the clamping ring are respectively provided with the adjusting pull rod; the ratchet wrench is used for rotating the adjusting pull rod to enable the two pipelines to carry out axial position adjustment.
After the preliminary adjustment, the radial and axial alignment of the pipeline is accurately adjusted according to the index requirements of welding assembly until the requirements are met.
The utility model discloses the working process:
firstly, the upper clamping ring and the lower clamping ring are connected and then clamped at the ports of two pipelines to form a butt-joint locking ring.
Secondly, assembling an adjusting pull rod between the two abutting locking rings, wherein two square nuts which are rotated left and right are respectively arranged at two ends of the adjusting pull rod, the square nuts are arranged at the outer sides of the rib plate structures of the clamping rings at the two ends, and the adjusting pull rod is arranged in a U-shaped groove of the rib plate structure; the pull rod is adjusted by rotating a spanner, square nuts at two ends pull the upper clamping ring and the lower clamping ring to approach each other, so that the axial clearance of the pipeline interface is continuously reduced; the square nuts can also be placed on the inner sides of rib plate structures of the upper clamping ring and the lower clamping ring, the adjusting pull rod is rotated, the square nuts at the two ends separate the upper clamping ring and the lower clamping ring outwards, so that the axial clearance of the pipeline connector is continuously increased, and the axial adjusting function of the pipeline is further realized.
Secondly, the pressing plate penetrates into the outer annular grooves of the upper clamping ring and the lower clamping ring at two ends, four points are uniformly arranged in the radial circumferential direction, then the jacking bolt is installed on the pressing plate, the jacking bolt is rotated to drive the pushing block to gradually cling to the pipeline, the pipeline is pushed to move in the radial direction, and the pipeline radial adjustment is realized.
Finally, after the preliminary adjustment, the radial and axial alignment of the pipeline is accurately adjusted according to the index requirements of welding assembly until the requirements are met.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (4)
1. Outer formula pipeline butt joint adjusting device that presss from both sides, characterized by: the external-clamping type pipeline butt joint adjusting device comprises an upper clamping ring (3), a lower clamping ring (4), an adjusting pull rod (5), a pressing plate (7), a puller bolt (8) and a pushing block (15);
the upper clamping ring (3) consists of an arc plate (3.1), a rib plate (3.2) and a connecting plate (3.3), the semicircular rib plate (3.2) is welded on the outer side of the semicircular arc plate (3.1), the connecting plate (3.3) is welded at one end of the rib plate (3.2), a through hole is formed in the connecting plate (3.3) and used for assembling a clamping bolt (11), a through hole penetrating through a bolt (10) is formed in the other end of the rib plate (3.2), a U-shaped groove (3.5) is formed in the middle of the rib plate (3.2), and annular grooves (3.4) are uniformly distributed on two sides of the U-shaped groove (3.5);
the upper clamping ring (3) and the lower clamping ring (4) have the same structure, are connected with a nut (9) through a bolt (10) to form a hoop, are respectively arranged at two ends of a pipeline I (1) and a pipeline II (2), and are locked by a clamping bolt (11) and a clamping nut (12) to form a butt joint locking ring; the butt joint locking rings are connected through an adjusting pull rod (5), square nuts (6) are assembled at two ends of the adjusting pull rod (5) and are limited in the U-shaped grooves (3.5), when the adjusting pull rod (5) is rotated, the square nuts (6) are tightly attached to action surfaces of the upper clamping ring (3) and the lower clamping ring (4), and then the pipeline I (1) and the pipeline II (2) on the butt joint locking rings are driven to axially move;
four radial evenly distributed pressing plates (7) are transversely arranged on an annular groove (3.4) between the butting locking rings in a penetrating mode, the pressing plates (7) are provided with puller bolts (8), and the puller bolts (8) are rotated to conduct radial centering adjustment on the pipeline I (1) or the pipeline II (2).
2. The externally-clamped pipe butt-joint adjusting device as claimed in claim 1, wherein:
the square nut (6) is divided into a left-handed square nut and a right-handed square nut which are matched with the threads at the two ends of the adjusting pull rod (5).
3. The externally-clamped pipe butt-joint adjusting device as claimed in claim 1, wherein:
the adjusting pull rod (5) is limited in a U-shaped groove (3.5) of the upper clamping ring (3) or the lower clamping ring (4) by square nuts (6) connected to two ends of the adjusting pull rod (5).
4. The externally-clamped pipe butt-joint adjusting device as claimed in claim 1, wherein:
the lower part of the puller bolt (8) is also provided with a pushing block (15), the pushing block (15) is in an arc block shape, and the arc at the lower part of the pushing block corresponds to the geometric dimensions of the pipeline I (1) and the pipeline II (2); a circular plate (14) installed through a baffle ring (16) and a screw (13) is embedded in a groove in the upper portion of the pushing block (15), a jacking bolt (8) extrudes the circular plate (14) to drive the pushing block (15), and radial adjustment of the pipeline I (1) or the pipeline II (2) is achieved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022909092.9U CN214721920U (en) | 2020-12-08 | 2020-12-08 | External clamping type pipeline butt joint adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022909092.9U CN214721920U (en) | 2020-12-08 | 2020-12-08 | External clamping type pipeline butt joint adjusting device |
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| Publication Number | Publication Date |
|---|---|
| CN214721920U true CN214721920U (en) | 2021-11-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022909092.9U Active CN214721920U (en) | 2020-12-08 | 2020-12-08 | External clamping type pipeline butt joint adjusting device |
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| Country | Link |
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| CN (1) | CN214721920U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114589452A (en) * | 2022-05-09 | 2022-06-07 | 西安热工研究院有限公司 | Pipeline clamping equipment for welding |
| CN115446430A (en) * | 2022-10-14 | 2022-12-09 | 中国核工业第五建设有限公司 | Pipeline assembly welding integrated machine head |
| CN116352365A (en) * | 2023-06-01 | 2023-06-30 | 中信建设有限责任公司 | Heat supply pipeline butt joint device |
| CN116576302A (en) * | 2023-07-13 | 2023-08-11 | 山西宁扬能源有限公司 | Natural gas pipeline assembly |
-
2020
- 2020-12-08 CN CN202022909092.9U patent/CN214721920U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114589452A (en) * | 2022-05-09 | 2022-06-07 | 西安热工研究院有限公司 | Pipeline clamping equipment for welding |
| CN115446430A (en) * | 2022-10-14 | 2022-12-09 | 中国核工业第五建设有限公司 | Pipeline assembly welding integrated machine head |
| CN116352365A (en) * | 2023-06-01 | 2023-06-30 | 中信建设有限责任公司 | Heat supply pipeline butt joint device |
| CN116576302A (en) * | 2023-07-13 | 2023-08-11 | 山西宁扬能源有限公司 | Natural gas pipeline assembly |
| CN116576302B (en) * | 2023-07-13 | 2023-09-01 | 山西宁扬能源有限公司 | Natural gas pipeline assembly |
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