CN110107774B - Butt-joint aligning assembly - Google Patents
Butt-joint aligning assembly Download PDFInfo
- Publication number
- CN110107774B CN110107774B CN201910452034.7A CN201910452034A CN110107774B CN 110107774 B CN110107774 B CN 110107774B CN 201910452034 A CN201910452034 A CN 201910452034A CN 110107774 B CN110107774 B CN 110107774B
- Authority
- CN
- China
- Prior art keywords
- slip
- butt joint
- aligning
- expansion
- tail
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 210000001503 joint Anatomy 0.000 claims abstract description 78
- 238000003032 molecular docking Methods 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 abstract description 6
- 238000003466 welding Methods 0.000 description 25
- 238000000034 method Methods 0.000 description 6
- 239000003208 petroleum Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- 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
- B23K37/0531—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 internal pipe alignment clamps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/18—Appliances for use in repairing pipes
Abstract
The invention discloses a butt joint aligning assembly, which comprises: the expansion slip is arranged in the butt joint long tube and the butt joint short tube in a penetrating manner, the slip head of the expansion slip stretches into the butt joint long tube, the slip tail of the expansion slip stretches out of the butt joint short tube, an oblique bolt is arranged in the expansion slip in a penetrating manner, the bolt head of the oblique bolt is matched with the slip head, the bolt tail of the oblique bolt stretches out of the slip tail and is connected with the expansion lock nut, a centering shaft sleeve is arranged on the slip tail in a sliding manner, a thread section is arranged on one end, close to the expansion lock nut, of the slip tail, an adjusting nut matched with the slip section is connected with the slip tail in a threaded manner, a handle is arranged on the adjusting nut, and one end of the centering shaft sleeve is connected with the adjusting nut through a fixing pressing plate and a fixing screw.
Description
Technical Field
The invention relates to petroleum machinery, in particular to a butt joint aligning assembly.
Background
The petroleum resource is a non-renewable resource, with the increase of the efficiency and control potential of petroleum exploitation, the oil field drilling and well repairing operations gradually extend to deeper and more complex geology, the length of the petroleum pipeline required at the moment is also longer and longer, and the petroleum pipeline is required to convey the operation tool and liquid in the process of petroleum exploration and development. At present, people all put two butt joint pipes flat on a welding bracket for simple support, then the two butt joint pipes are welded together through a welding gun, the concentricity of a butt joint pipeline welded by the traditional welding mode is poor, a working tool can not be ensured to be unobstructed up and down in the butt joint pipeline, the pipe wall of the butt joint pipeline at a welding point is easy to be blocked, meanwhile, liquid and the working tool can cause impact damage to the pipe wall of the butt joint pipeline at the welding point, the welding port of the butt joint pipeline is poor in structural strength, and the service life is short.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: the butt joint aligning assembly is high in aligning speed and high in concentricity.
In order to solve the technical problems, the invention adopts the following technical scheme: a docking and aligning assembly, comprising: the expansion slip is characterized in that an expansion slip is arranged in the butt joint long tube and the butt joint short tube in a penetrating manner, the slip head of the expansion slip stretches into the butt joint long tube, the slip tail of the expansion slip stretches out of the butt joint short tube, an oblique bolt is arranged in the expansion slip in a penetrating manner, the bolt head of the oblique bolt is matched with the slip head, the bolt tail of the oblique bolt stretches out of the slip tail and is connected with an expansion lock nut, a centering shaft sleeve is slidably arranged on the slip tail, a thread section is arranged at one end, close to the expansion lock nut, of the slip tail, an adjusting nut matched with the slip tail is screwed onto the thread section, a handle is arranged on the adjusting nut, one end of the centering shaft sleeve is connected with the adjusting nut through a fixing pressing plate and a fixing screw, a fastening nut matched with the centering shaft sleeve is sleeved on the other end of the centering shaft sleeve, a depth adjusting ring is sleeved on the centering shaft sleeve between the aligning shaft sleeve and the aligning shaft sleeve, and the distance between the outer side of the aligning shaft sleeve and the pipe wall of the pipe is larger than the distance between the aligning shaft sleeve and the slip head of the slip.
In order to better solve the technical problems, the invention adopts the further technical scheme that: the length of the aligning shaft sleeve is slightly larger than one half of the sum of the lengths of the butt joint short pipe and the aligning sliding sleeve.
In order to better solve the technical problems, the invention adopts the further technical scheme that: the distance between the slip head and the fastening nut is 20mm larger than the distance between the aligning shaft sleeves.
In order to better solve the technical problems, the invention adopts the further technical scheme that: the aligning sliding sleeve is of a symmetrical four-wire structure.
The invention has the advantages that: the butt joint aligning assembly is simple, light, convenient and flexible to operate, accords with field operation, is effective for large field operation mobility and limited use situations, and can realize emergency rescue repair; meanwhile, the whole aligning speed is high, the concentricity is high, the integral thread locking propulsion is realized, and the aligning is carried out by means of the back-and-forth movement of the screw rod, so that the whole process of butt joint, aligning, locking and welding is realized, and the working efficiency is high; the welding device adopts one rod type relative locking, has strong butt joint positioning function, is balanced and stable during welding, and has good welding effect and low cost; the inner contact surface of the aligning assembly is small, the adjusting flexibility is high, the aligning sliding sleeve is a symmetrical four-wire surface which is in contact with the wall of the butt joint pipe, the rest is hollow, the purpose of reducing the contact surface is to increase the flexibility, speed and concentricity of the butt joint aligning, and the aligning sliding sleeve is easy to advance, withdraw, convenient and flexible.
Drawings
FIG. 1 is a schematic view of the structure of the initial state of the docking and aligning assembly of the present invention.
Fig. 2 is a schematic structural view of the docking and aligning assembly of the present invention in a docking and aligning locked state.
Fig. 3 is a schematic view of an enlarged left-hand view of the slip head of fig. 1.
Fig. 4 is a schematic view of a left-view enlarged structure of the aligning sliding sleeve in fig. 1.
In the figure: 1. the butt joint long tube, 2, the butt joint short tube, 3, the expansion slips, 31, the slips head, 32, the slips tail, 321, the thread section, 4, the italic bolt, 41, the bolt head, 42, the bolt tail, 5, the expansion lock nut, 6, the aligning shaft sleeve, 7, the adjusting nut, 8, the handle, 9, the fixed pressing plate, 10, the fixing screw, 11, the fastening nut, 12, the aligning sliding sleeve, 13, the depth adjusting ring, 14 and the butt joint weld.
Detailed Description
The details of the present invention are described in detail below with reference to the drawings and the detailed description.
As shown in fig. 1, 2, 3, and 4, the docking and aligning assembly includes: the expansion joint comprises a butt joint long tube 1 and a butt joint short tube 2, wherein an expansion slip 3 is arranged in the butt joint long tube 1 and the butt joint short tube 2 in a penetrating way, a slip head 31 of the expansion slip 3 stretches into the butt joint long tube 1, a slip tail 32 of the expansion slip 3 stretches out of the butt joint short tube 2, an oblique bolt 4 is arranged in the expansion slip 3 in a penetrating way, a bolt head 41 of the oblique bolt 4 is mutually matched with the slip head 31, a bolt tail 42 of the oblique bolt 4 stretches out of the slip tail 32 and is connected with the expansion lock nut 5, an adjusting mandrel sleeve 6 is slidably arranged on the slip tail 32, a threaded section 321 is arranged at one end, close to the expansion lock nut 5, of the slip tail 32, an adjusting nut 7 which is mutually matched with the threaded section 321 is arranged on the threaded section 321, a handle 8 is arranged on the adjusting nut 7, one end of the adjusting mandrel sleeve 6 is connected with the adjusting nut 7 through a fixed pressing plate 9 and a fixed screw 10, a fastening nut 11 which is mutually matched with the adjusting nut 11 is arranged on the other end of the adjusting mandrel sleeve 6, an adjusting mandrel sleeve 6 is sleeved with the adjusting mandrel sleeve 12 which is mutually matched with the adjusting nut 6, a distance between the adjusting mandrel sleeve 12 and the adjusting mandrel sleeve 12 is arranged on the adjusting mandrel sleeve 6 and the adjusting mandrel sleeve 6 is matched with the adjusting mandrel 6, and the adjusting mandrel sleeve 6 is matched with the adjusting mandrel 12, and the distance between the adjusting mandrel sleeve 12 is 1 and the adjusting sleeve is the adjusting sleeve 6 is provided with the adjusting mandrel sleeve and the adjusting sleeve 6.
As shown in fig. 1 and 2, in this example, the length of the aligning sleeve 6 is slightly greater than half of the sum of the lengths of the butt joint pipe 2 and the aligning sleeve 12.
As shown in fig. 1 and 2, in this example, the slip head 31 is spaced from the fastening nut 11 by 20mm greater than the distance of the mandrel sleeve 6.
As shown in fig. 1, 2 and 4, in this example, the aligning sliding sleeve 12 is a symmetrical four-wire structure.
When in installation: the butt joint surfaces of the butt joint long tube 1 and the butt joint short tube 2 which are required to be in butt joint alignment are polished and flattened, the butt joint long tube 1 and the butt joint short tube 2 are oppositely placed on a horizontal welding bracket, an oblique bolt 4 is inserted into an expansion slip 3 and an expansion lock nut 5 is screwed, then an alignment sleeve 6 (the length of the alignment sleeve 6 is slightly larger than one half of the sum of the lengths of the butt joint short tube 2 and the alignment sleeve 12) and an adjustment nut 7 are fastened together through a fixed pressing plate 9 and a fixed screw 10, then a depth adjustment ring 13 (the depth adjustment ring 13 is used for adjusting the positions of the alignment sleeve 12 and the fastening nut 11, so that the three are just locked on the alignment sleeve 6) and the alignment sleeve 12 are sleeved on the alignment sleeve 6 in sequence and fastened on the alignment sleeve 6 through a fastening nut 4, the assembled alignment sleeve 12 is inserted into the expansion slip 3 from the slip tail 32 of the expansion slip 3 by holding a handle 8 of the adjustment nut 7, the screw section 321 on the slip tail 32 is screwed through the rotation handle 8, and the adjustment nut 7 and the screw section 321 on the slip tail 32 is pushed by the rotation handle 8 to move the alignment sleeve 12 integrally through the rotation handle 8 after screwing (the adjustment distance between the expansion sleeve 12 and the alignment sleeve is more than the distance between the expansion slip head and the head 31 and the alignment sleeve is 20mm when the distance between the alignment sleeve and the head is more than the purpose is 20mm.
When in operation, the device comprises: the assembled and debugged butt joint aligning assembly is horizontally inserted into the butt joint long tube 1 and the butt joint short tube 2 as shown in an initial state of the figure, the sleeve spanner is used for rotating the expansion lock nut 5 clockwise to pull the diagonal bolt 4 to move rightwards, the bolt head 41 of the diagonal bolt 4 presses the slip head 31 of the expansion slip 3 to expand and clamp the inner wall of the butt joint long tube 1 (until being clamped), then the adjusting nut 7 is rotated clockwise to drive the aligning sleeve 6, the aligning sliding sleeve 12, the depth adjusting ring 13 and the fastening nut 11 to move towards the butt joint long tube 1 together by the butt joint short tube 2, and the balance is hollow due to the fact that the aligning sliding sleeve 12 is in contact with the butt joint tube wall for symmetrical four-wire surface, the contact surface with the butt joint pipe wall is few, the resistance is small, the movement and the centering are easy, when the centering sliding sleeve 12 slides into the butt joint pipe 1 from the butt joint short pipe 2, the centering is started, if the centering sliding sleeve 12 is blocked and cannot move or the resistance is large in the centering process, the levelness of the butt joint long pipe 1 or the butt joint short pipe 2 needs to be finely adjusted to be on the same horizontal line, when the central position of the centering sliding sleeve 12 slides between the butt joint long pipe 1 and the butt joint short pipe 2, the two pipes are in a concentric state, and the adjusting nut 7 is continuously rotated clockwise until the two pipes are abutted against the butt joint short pipe 2 to realize screwing, at the moment, the two pipes are in a butt joint centering locking state as shown in fig. 2; at this time, the butt welding port 14 between the butt welding long tube 1 and the butt welding short tube 2 is firstly spot-welded, after the spot welding is finished (note: the phenomenon that the butt welding port cannot fall off after the spot welding), the butt welding aligning assembly is taken out from the butt welding pipeline, and then the final comprehensive welding is performed to meet the technical requirement of welding.
At exit: the adjusting nut 7 is rotated anticlockwise to drive the adjusting shaft sleeve 6, the aligning sliding sleeve 12, the depth adjusting ring 13 and the fastening nut 11 to move outwards of the butt joint short pipe 2 until the butt joint short pipe is completely moved out of the pipeline, then the expansion locking nut 5 is rotated anticlockwise to push the diagonal bolt 4 to move leftwards, the bolt head 41 of the diagonal bolt 4 moves leftwards to be gradually separated from the slip head 31 of the expansion slip 3, the slip head 31 of the expansion slip 3 is restored to be gradually separated from the inner wall of the butt joint long pipe 1 until the butt joint long pipe is completely retracted, and the butt joint aligning assembly is taken out.
Description of use:
(1) Before the assembly is used, the assembly and the debugging conditions of all parts are carried out, and the length of the aligning shaft sleeve 6 is adjusted and selected so as to meet the aligning and locking effects.
(2) Before the butt aligning assembly is used, the gap distance between the slip head 31 of the expansion slip 3 and the fastening nut 11 is adjusted to be 20mm larger than the distance between the aligning sleeves 6, so that the locking during aligning is facilitated.
(3) Before the butt joint aligning assembly is used, whether the expansion card 3 can clamp the butt joint long tube 1 or not and the tight clamping is suitable for not slipping when the tension is applied is checked.
(4) Before the butt joint aligning assembly is used, the rotation, adjustment and locking conditions of the expansion lock nut 5 and the adjusting nut 7 are checked, so that smooth and bright threads are ensured to meet the requirements of operation standards.
Maintenance precautions are:
(1) After the butt-joint aligning assembly is used for a period of time, the conditions of the aligning sliding sleeve 12, the extrusion condition, the abrasion condition and the linkage condition are checked periodically, the depth adjustment is performed, and the parts with serious abrasion are replaced timely.
(2) When abnormal phenomena or overlarge resistance occur in the aligning and locking process, the aligning is stopped in time, and whether the abutting joint pipeline is in a horizontal state or whether foreign matter damage or scratch is generated or not is checked in time, and the front sliding aligning degree of the abutting joint aligning assembly is directly responded.
(3) The disassembly and maintenance are carried out according to the standard process, and the expansion slips 3 are not suitable for long-time expansion. The device is required to be withdrawn to restore the original position in time after being used, so that the service life and the strength of the body are ensured.
The butt joint aligning assembly is simple, light, convenient and flexible to operate, accords with field operation, is effective for large field operation mobility and limited use situations, and can realize emergency rescue repair; meanwhile, the whole aligning speed is high, the concentricity is high, the integral thread locking propulsion is realized, and the aligning is carried out by means of the back-and-forth movement of the screw rod, so that the whole process of butt joint, aligning, locking and welding is realized, and the working efficiency is high; the welding device adopts one rod type relative locking, has strong butt joint positioning function, is balanced and stable during welding, and has good welding effect and low cost; the inner contact surface of the aligning assembly is small, the adjusting flexibility is high, the aligning sliding sleeve is a symmetrical four-wire surface which is in contact with the wall of the butt joint pipe, the rest is hollow, the purpose of reducing the contact surface is to increase the flexibility, speed and concentricity of the butt joint aligning, and the aligning sliding sleeve is easy to advance, withdraw, convenient and flexible.
Claims (4)
1. Butt joint aligning assembly, its characterized in that: comprising the following steps: the butt joint long tube (1) and the butt joint short tube (2) are internally penetrated with an expansion slip (3), a slip head (31) of the expansion slip (3) stretches into the butt joint long tube (1), a slip tail (32) of the expansion slip (3) stretches out of the butt joint short tube (2), an oblique bolt (4) is internally penetrated with the expansion slip (3), a bolt head (41) of the oblique bolt (4) is mutually matched with the slip head (31), a bolt tail (42) of the oblique bolt (4) stretches out of the slip tail (32) and is connected with an expansion lock nut (5), a centering shaft sleeve (6) is slidably arranged on the slip tail (32), one end, close to the expansion lock nut (5), of the slip tail (32) is provided with a thread section (321), an adjusting nut (7) mutually matched with the slip tail is in a threaded section (321), a handle (8) is arranged on the adjusting nut (7), one end of the centering shaft sleeve (6) is mutually matched with the adjusting nut (11) through a fixing pressing plate (9) and a fixing screw (10), the self-aligning device is characterized in that a self-aligning sliding sleeve (12) is sleeved on a self-aligning shaft sleeve (6) between the fastening nut (11) and the adjusting nut (7), a depth adjusting ring (13) is sleeved on the self-aligning shaft sleeve (6) between the self-aligning sliding sleeve (12) and the adjusting nut (7), the outer side of the self-aligning sliding sleeve (12) is in sliding fit with the pipe walls of the butt joint long pipe (1) and the butt joint short pipe (2), and the distance between the slip head (31) and the fastening nut (11) is larger than the distance between the self-aligning shaft sleeves (6).
2. The docking and centering assembly of claim 1, wherein: the length of the aligning shaft sleeve (6) is slightly larger than one half of the sum of the lengths of the butt joint short pipe (2) and the aligning sliding sleeve (12).
3. The docking and centering assembly of claim 2, wherein: the distance between the slip head (31) and the fastening nut (11) is 20mm larger than the distance between the aligning shaft sleeve (6).
4. A docking and centering assembly as claimed in claim 3, wherein: the aligning sliding sleeve (12) is of a symmetrical four-wire structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910452034.7A CN110107774B (en) | 2019-05-28 | 2019-05-28 | Butt-joint aligning assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910452034.7A CN110107774B (en) | 2019-05-28 | 2019-05-28 | Butt-joint aligning assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110107774A CN110107774A (en) | 2019-08-09 |
| CN110107774B true CN110107774B (en) | 2024-01-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910452034.7A Active CN110107774B (en) | 2019-05-28 | 2019-05-28 | Butt-joint aligning assembly |
Country Status (1)
| Country | Link |
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| CN (1) | CN110107774B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111036443A (en) * | 2019-12-09 | 2020-04-21 | 日照市伟业工具股份有限公司 | Paint spraying apparatus is used in construction scaffolding production |
| CN112894252A (en) * | 2021-01-26 | 2021-06-04 | 合肥实华管件有限责任公司 | Hydrogen production device pressure-bearing pipeline welding group is to frock |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1352580A (en) * | 1971-06-17 | 1974-05-08 | Lifshits V S | Flash-butt welding machine |
| DE3690711C2 (en) * | 1986-03-26 | 1990-05-31 | Inst Elektroswarki Patona | Machine for resistance welding of tubes - partic. applicable to long pipelines |
| JPH0623684U (en) * | 1992-09-01 | 1994-03-29 | 大阪瓦斯株式会社 | Pipe welding aid |
| US5538173A (en) * | 1995-01-10 | 1996-07-23 | Hummel; Jon C. | Expandable tool for holding aligning pipes to be welded |
| RU2647063C1 (en) * | 2016-11-07 | 2018-03-13 | Михаил Яковлевич Бровман | Method of pipeline manufacturing by welding of pipes |
| CN107825014A (en) * | 2017-12-01 | 2018-03-23 | 四川科新机电股份有限公司 | The backside gas protecting tool set-up and guard method that a kind of tube-to-tube sheet connection mutually welds |
| CN209977567U (en) * | 2019-05-28 | 2020-01-21 | 盐城市大冈石油工具厂有限责任公司 | Butt joint aligning assembly |
-
2019
- 2019-05-28 CN CN201910452034.7A patent/CN110107774B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1352580A (en) * | 1971-06-17 | 1974-05-08 | Lifshits V S | Flash-butt welding machine |
| DE3690711C2 (en) * | 1986-03-26 | 1990-05-31 | Inst Elektroswarki Patona | Machine for resistance welding of tubes - partic. applicable to long pipelines |
| JPH0623684U (en) * | 1992-09-01 | 1994-03-29 | 大阪瓦斯株式会社 | Pipe welding aid |
| US5538173A (en) * | 1995-01-10 | 1996-07-23 | Hummel; Jon C. | Expandable tool for holding aligning pipes to be welded |
| RU2647063C1 (en) * | 2016-11-07 | 2018-03-13 | Михаил Яковлевич Бровман | Method of pipeline manufacturing by welding of pipes |
| CN107825014A (en) * | 2017-12-01 | 2018-03-23 | 四川科新机电股份有限公司 | The backside gas protecting tool set-up and guard method that a kind of tube-to-tube sheet connection mutually welds |
| CN209977567U (en) * | 2019-05-28 | 2020-01-21 | 盐城市大冈石油工具厂有限责任公司 | Butt joint aligning assembly |
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| Publication number | Publication date |
|---|---|
| CN110107774A (en) | 2019-08-09 |
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