Rapid butt joint correction device for large-diameter pipelines

Abstract

The utility model provides a large-diameter pipeline quick butt joint correcting device which comprises a steel pipe, a fastening piece and a limiting piece are arranged on the outer side of the steel pipe respectively, a connecting rod is arranged in an inner cavity of the limiting piece, and the two ends of the connecting rod are fixedly connected with first adjusting pieces respectively. A second adjusting piece and a fixing piece are arranged on the outer side of the limiting piece, the fastening piece comprises a first fastening semi-ring and a second fastening semi-ring, the first fastening semi-ring and the second fastening semi-ring are both located on the outer side of the steel pipe, and the limiting piece comprises a first limiting semi-ring and a second limiting semi-ring. The rapid butt joint correcting device for the large-diameter pipelines solves the problems that an existing rapid butt joint correcting device for the large-diameter pipelines is heavy, temporary consolidation points need to be welded on base metal after the pipelines are aligned, and the temporary consolidation points can only be cut off after welding of welding seams is completed.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipeline butt joint auxiliary device technical field especially, relates to a large -diameter pipeline quick butt joint correction device. BACKGROUND

[0002] In water conservancy water conveyance engineering, the butt joint between large -diameter pipeline and pipeline currently mainly relies on ruler to adjust pipeline and center point by four points up and down and left and right, and still uses auxiliary equipment such as truck crane, excavator in alignment process

[0003] But the large -diameter pipeline quick butt joint correction device currently is heavy, needs other equipment to assist in carrying, and needs to weld temporary consolidation point on parent material after pipeline alignment, can cut off temporary consolidation point after the completion of welding seam welding, and temporary consolidation point not only can easily cause damage to pipeline, but also can influence pipeline outer side anticorrosive coating, therefore, it is necessary to provide a kind of large -diameter pipeline quick butt joint correction device for use to solve the above technical problems. UTILITY MODEL CONTENT

[0004] To solve the above technical problems, the utility model provides a kind of large -diameter pipeline quick butt joint correction device for use.

[0005] The utility model provides a kind of large -diameter pipeline quick butt joint correction device, including steel pipe, the outside of steel pipe is provided with fastener and stopper respectively, the inner chamber of stopper is provided with connecting rod, the both ends of connecting rod are all fixedly connected with first adjusting part, the outside of stopper is provided with second adjusting part and fixed part respectively.

[0006] As the utility model provides a kind of large -diameter pipeline quick butt joint correction device, preferably, the fastener includes first fastening half ring and second fastening half ring, the first fastening half ring and second fastening half ring are all located on the outside of steel pipe.

[0007] As the utility model provides a kind of large -diameter pipeline quick butt joint correction device, preferably, the stopper includes first stop half ring and second stop half ring, the first stop half ring and second stop half ring are all located on the outside of steel pipe.

[0008] As the utility model provides a kind of large -diameter pipeline quick butt joint correction device, preferably, the first adjusting part includes threaded rod, the both ends of connecting rod are all fixedly connected with threaded rod, the outside of threaded rod is respectively threadedly connected with first adjusting nut and second adjusting nut.

[0009] The utility model provides a large -diameter pipeline quick butt joint correction device, preferably, second adjusting spare includes adjusting peg, the inner chamber of first limit half ring and second limit half ring all is provided with adjusting peg, the outside of connecting rod is provided with adjusting groove, the outer side of adjusting peg is connected with the inner wall of adjusting groove in screw thread.

[0010] The utility model provides a large -diameter pipeline quick butt joint correction device, preferably, the fixed spare includes first fixed block, the inner chamber of first fixed block is provided with fixed peg, the outside fixed peg is connected with fixed nut in screw thread, the below of fixed nut is provided with second fixed block.

[0011] Compared with the prior art, the utility model has the advantages that:

[0012] The large -diameter pipeline quick butt joint correction device, through the mutual cooperation of limiting piece, fastener and first adjusting spare, can reserve welding space after pipeline butt joint, does not need to weld temporary consolidation point on base material, avoids damaging base material and anticorrosive layer, and can be disassembled after welding, solves the problems of the prior art, such as heavy, and the need to weld temporary consolidation point on base material after pipeline alignment, and the removal of temporary consolidation point after welding. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 A preferred embodiment of the large -diameter pipeline quick butt joint correction device provided by the utility model is shown in the structure diagram.

[0014] Figure 2 The structure diagram of the fastener of the utility model is shown.

[0015] Figure 3 The structure of the utility model A is shown in the enlarged diagram.

[0016] Figure 4 The structure side view of the limiting piece of the utility model is shown.

[0017] The figure mark: 1, steel pipe;2, fastener;201, first fastening half ring;202, second fastening half ring;3, limiting piece;301, first limit half ring;302, second limit half ring;4, connecting rod;5, first adjusting spare;501, threaded rod;502, first adjusting nut;503, second adjusting nut;6, second adjusting spare;601, adjusting peg;602, adjusting groove;7, fixed spare;701, first fixed block;702, fixed peg;703, fixed nut;704, second fixed block. DETAILED DESCRIPTION

[0018] The utility model will be further explained in connection with the drawings and embodiments.

[0019] Please refer to Figure 1 、 Figure 2 、 Figure 3 And Figure 4 , wherein Figure 1 is a preferred embodiment of the structure of the large-diameter pipeline rapid butt correction device provided by the utility model; Figure 2 is a structure diagram of the fastener of the utility model; Figure 3 is an enlarged schematic view of the structure of A; Figure 4 is a structure side view of the limiting piece of the utility model. A large-diameter pipeline rapid butt correction device, comprising a steel pipe 1, the outer side of the steel pipe 1 is respectively provided with a fastener 2 and a limiting piece 3, the inner cavity of the limiting piece 3 is provided with a connecting rod 4, both ends of the connecting rod 4 are fixedly connected with a first adjusting piece 5, the outer side of the limiting piece 3 is respectively provided with a second adjusting piece 6 and a fixing piece 7.

[0020] In this embodiment: the distance between the limiting piece 3 and the steel pipe 1 port is not greater than 10 cm, not less than 5 cm, leaving space for welding.

[0021] As a technical optimization scheme of the utility model, the fastener 2 comprises a first fastening half ring 201 and a second fastening half ring 202, both the first fastening half ring 201 and the second fastening half ring 202 are located on the outer side of the steel pipe 1;

[0022] The limiting piece 3 comprises a first limiting half ring 301 and a second limiting half ring 302, both the first limiting half ring 301 and the second limiting half ring 302 are located on the outer side of the steel pipe 1;

[0023] The first adjusting piece 5 comprises a threaded rod 501, both ends of the connecting rod 4 are fixedly connected with the threaded rod 501, the outer side of the threaded rod 501 is respectively threadedly connected with a first adjusting nut 502 and a second adjusting nut 503;

[0024] In this embodiment: the number of connecting rods 4 is six, three of which penetrate through the first limiting half ring 301, and three of which penetrate through the second limiting half ring 302, both the first limiting half ring 301 and the second limiting half ring 302 are slidably connected with the connecting rod 4 through the through hole in the inner cavity, and both the first fastening half ring 201 and the second fastening half ring 202 are provided with a through hole for the threaded rod 501 to penetrate.

[0025] As a technical optimization scheme of the utility model, the second adjusting piece 6 comprises an adjusting bolt 601, the inner cavities of the first limiting half ring 301 and the second limiting half ring 302 are both provided with the adjusting bolt 601, the outer side of the adjusting bolt 601 is threadedly connected with the inner wall of the adjusting groove 602 on the outer side of the connecting rod 4.

[0026] In the embodiment, after the first limiting half ring 301 and the second limiting half ring 302 are moved to the outside of the steel pipe 1, the user can adjust the positions of the first limiting half ring 301 and the second limiting half ring 302 by pulling the adjusting bolt 601 out of the first limiting half ring 301 and the second limiting half ring 302, and then moving the adjusting bolt 601 out of the current adjusting slot 602, and then the user can adjust the positions of the first limiting half ring 301 and the second limiting half ring 302, and after the adjustment is completed, the adjusting bolt 601 is returned to the original position and inserted into the corresponding adjusting slot 602.

[0027] As a technical optimization scheme of the utility model, the fixing part 7 comprises a first fixing block 701, a fixing bolt 702 is arranged in the inner cavity of the first fixing block 701, a fixing nut 703 is threadedly connected to the outer side of the fixing bolt 702, and a second fixing block 704 is arranged below the fixing nut 703.

[0028] In the embodiment, the outer sides of the first limiting half ring 301 and the first fastening half ring 201 are fixedly connected with the first fixing block 701, the outer sides of the second limiting half ring 302 and the second fastening half ring 202 are fixedly connected with the second fixing block 704, after the first limiting half ring 301, the second limiting half ring 302 and the first fastening half ring 201 and the second fastening half ring 202 are moved to the outside of the steel pipe 1, the end of the fixing bolt 702 can be sequentially penetrated through the first fixing block 701 and the second fixing block 704, and finally the fixing nut 703 is tightened to the outer side of the fixing bolt 702, so that the first limiting half ring 301, the second limiting half ring 302 and the first fastening half ring 201 and the second fastening half ring 202 can be fixed.

[0029] The working principle of the large-diameter pipeline rapid butt correction device is as follows:

[0030] In use of the device, first, the first limiting half ring 301, the second limiting half ring 302 and the first fastening half ring 201, the second fastening half ring 202 are moved to the outside of the steel pipe 1, then the end of the fixing bolt 702 is threaded through the first fixing block 701 and the second fixing block 704 in turn, finally the fixing nut 703 is tightened to the outside of the fixing bolt 702, that is, the first limiting half ring 301, the second limiting half ring 302 and the first fastening half ring 201, the second fastening half ring 202 can be fixed, then the first adjusting nut 502 and the second adjusting nut 503 are rotated, the first fastening half ring 201 and the second fastening half ring 202 drive the two steel pipes 1 to move close to each other, in the moving process of the two steel pipes 1, the first limiting half ring 301 and the second limiting half ring 302 can calibrate the two steel pipes 1, so that the outer diameters of the two steel pipes 1 are aligned with each other, and the user can adjust the positions of the first limiting half ring 301 and the second limiting half ring 302 by pulling out the adjusting bolt 601 from the first limiting half ring 301 and the second limiting half ring 302, so that the adjusting bolt 601 is moved out of the current adjusting groove 602, then the user can adjust the positions of the first limiting half ring 301 and the second limiting half ring 302, after the adjustment is completed, the adjusting bolt 601 is returned to the original position and inserted into the corresponding adjusting groove 602, so that the distance between the limiting piece 3 and the port of the steel pipe 1 can be adjusted conveniently, the inner sides of the first limiting half ring 301, the second limiting half ring 302, the first fastening half ring 201 and the second fastening half ring 202 are provided with rubber pads, so that the friction force of the contact surface with the steel pipe 1 can be improved, the device can reserve a welding space after the pipes are butt-jointed, a temporary fixing point does not need to be welded on the base material, so that the base material and the anticorrosive layer are prevented from being damaged, and the device can be disassembled after the welding is completed.

[0031] The above only describes the embodiments of the present application, and does not limit the patent range of the present application, and any equivalent structure or equivalent process transformation according to the content of the present application specification and drawings, or direct or indirect application in other related technical fields, are also included in the patent protection range of the present application.

Claims

1. A large diameter pipe quick butt alignment device, characterized by, The application relates to a steel pipe (1) provided with a fastener (2) and a limiting piece (3) on the outer side of the steel pipe (1), the inner cavity of the limiting piece (3) is provided with a connecting rod (4), the two ends of the connecting rod (4) are fixedly connected with first adjusting pieces (5), and the outer side of the limiting piece (3) is provided with second adjusting pieces (6) and fixing pieces (7).

2. The large diameter pipe quick butt alignment device of claim 1, wherein, The fastener (2) comprises first fastening half-rings (201) and second fastening half-rings (202), and the first fastening half-rings (201) and the second fastening half-rings (202) are located on the outer side of the steel pipe (1).

3. The large diameter pipe quick butt alignment device of claim 1, wherein, The limiting piece (3) comprises first limiting half-rings (301) and second limiting half-rings (302), and the first limiting half-rings (301) and the second limiting half-rings (302) are located on the outer side of the steel pipe (1).

4. The apparatus of claim 1, wherein, The first adjusting piece (5) comprises threaded rods (501), the two ends of the connecting rod (4) are fixedly connected with the threaded rods (501), and the outer side of the threaded rod (501) is respectively threadedly connected with a first adjusting nut (502) and a second adjusting nut (503).

5. The large diameter pipe quick butt alignment device of claim 3, wherein, The second adjusting piece (6) comprises adjusting bolts (601), the inner cavities of the first limiting half-rings (301) and the second limiting half-rings (302) are provided with the adjusting bolts (601), the outer side of the connecting rod (4) is provided with an adjusting groove (602), and the outer side of the adjusting bolt (601) is threadedly connected with the inner wall of the adjusting groove (602).

6. The apparatus of claim 1, wherein, The fixing piece (7) comprises a first fixing block (701), the inner cavity of the first fixing block (701) is provided with a fixing bolt (702), the outer side of the fixing bolt (702) is threadedly connected with a fixing nut (703), and the lower portion of the fixing nut (703) is provided with a second fixing block (704).

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