CN113828993B - Prefabricated pipe section flange welding hole aligning device and use method - Google Patents
Prefabricated pipe section flange welding hole aligning device and use method Download PDFInfo
- Publication number
- CN113828993B CN113828993B CN202111030655.XA CN202111030655A CN113828993B CN 113828993 B CN113828993 B CN 113828993B CN 202111030655 A CN202111030655 A CN 202111030655A CN 113828993 B CN113828993 B CN 113828993B
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- guide rail
- gear
- flange
- base
- pipe section
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- 238000003466 welding Methods 0.000 title claims abstract description 44
- 238000000034 method Methods 0.000 title claims abstract description 16
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000003754 machining Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000004904 shortening 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
- B23K37/0536—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 for maintaining flanges on 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 application discloses a prefabricated pipe section flange welding hole aligning device and a using method, wherein the hole aligning device comprises a gear guide rail, screwing devices arranged on two sides of the gear guide rail and an angle adjusting device arranged on the gear guide rail; the gear guide rail comprises a guide rail base, a gear arranged on the guide rail base, an upper guide rail and a lower guide rail which are arranged on the guide rail base in a sliding manner, slide ways are arranged on the upper guide rail and the lower guide rail, the gear is positioned in the slide ways, and teeth meshed with the gear are arranged on two sides of the slide ways; the screwing device comprises a bolt and a nut, and bolt holes for the bolt to penetrate are formed in the upper guide rail and the lower guide rail; the angle adjusting device comprises a dial which is fixedly arranged on the guide rail base and is positioned above the gear, a horizontal bubble base which is rotationally connected to the dial, and a bubble level which is arranged on the horizontal bubble base. The flange plate hole alignment welding device is simple in structure, reasonable in design, high in applicability, low in cost, convenient to install and capable of effectively improving the hole alignment welding precision of the flange plate, and the machining period is effectively shortened.
Description
Technical Field
The invention relates to the technical field of flange plate installation, in particular to a prefabricated pipe section flange welding hole aligning device and a using method.
Background
In the construction process of an assembled refrigeration machine room, the structural form of the prefabricated pipe section is complex and various, and the machining precision requirement is high. In the process of welding the flange of the prefabricated pipe section, the positioning of the flange hole is extremely important.
In the existing pipeline flange welding process, the manual hole alignment operation difficulty is high, the quality is difficult to control, errors caused by human factors cannot be eliminated, the flange hole deviation exceeds the allowable error, the pipeline equipment and the valve are inclined if the flange hole deviation is light, the prefabricated pipeline flange hole cannot be connected if the flange hole is heavy, the equipment pipeline cannot be installed, reworking is caused, and the construction period is delayed.
In the prior art, in order to solve the problems, the flange welding tool and the flange positioning plate are applied to the field of pipeline flange welding, but the flange welding tool has high cost, heavy equipment, complex adjustment process and lower processing efficiency; the adaptability to different pipe diameters and special-shaped pipe sections is poor.
Disclosure of Invention
The invention provides a prefabricated pipe section flange welding hole aligning device with simple structure, low cost and simple operation and a use method.
The technical problems to be solved are as follows: the flange welding tool has high cost, heavy equipment, complex adjustment process and lower processing efficiency; the adaptability to different pipe diameters and special-shaped pipe sections is poor.
In order to solve the technical problems, the invention adopts the following technical scheme:
The invention relates to a prefabricated pipe section flange welding hole aligning device which comprises a gear guide rail, screwing devices arranged on two sides of the gear guide rail and an angle adjusting device arranged on the gear guide rail;
The gear guide rail comprises a guide rail base, a gear arranged on the guide rail base, and an upper guide rail and a lower guide rail which are arranged on the guide rail base in a sliding manner, wherein the upper guide rail and the lower guide rail are respectively provided with a slideway penetrating through the upper surface and the lower surface of the guide rail, the gear is positioned in the slideway, and teeth meshed with the gear are arranged on two sides of the slideway;
the screwing device comprises a bolt and a nut matched with the bolt, and bolt holes for the bolt to penetrate are formed in the upper guide rail and the lower guide rail;
the angle adjusting device comprises a dial plate which is fixedly arranged on the guide rail base and positioned above the gear, a horizontal bubble base which is coaxially and rotatably connected to the dial plate, and a bubble level which is arranged on the horizontal bubble base.
The invention relates to a prefabricated pipe section flange welding hole aligning device, which is further characterized in that a groove is arranged on a guide rail base, and a gear, an upper guide rail and a lower guide rail are all arranged in the groove.
The invention relates to a prefabricated pipe section flange welding hole aligning device, which is characterized in that an upper guide rail and a lower guide rail are integrally of a U-shaped structure.
The invention relates to a prefabricated pipe section flange welding hole aligning device, and further provides two gears.
The invention relates to a prefabricated pipe section flange welding hole aligning device, which is characterized in that a gear is connected with a guide rail base through a shaft.
The invention discloses a prefabricated pipe section flange welding hole aligning device, which further comprises a limiting device, wherein the limiting device is sleeved on an upper guide rail and a lower guide rail at one end or two ends of a guide rail base in a sliding manner, and an indicating needle is arranged at one side of the limiting device, which is away from the guide rail base.
The invention relates to a prefabricated pipe section flange welding hole aligning device, which is further characterized in that a pointer is arranged on a horizontal bubble base, and the pointer and the horizontal axis of a bubble level are positioned on the same straight line.
The invention relates to a prefabricated pipe section flange welding hole aligning device, which is characterized in that the scale on a dial is the angle or the number of flange holes.
The invention discloses a use method of a prefabricated pipe section flange welding and hole aligning device, which comprises the following steps:
Step 1: placing a prefabricated pipeline to be welded with a flange in place;
step 2: removing the bolts and nuts from the upper guide rail and the lower guide rail, and stretching the upper guide rail and the lower guide rail according to the positions of flange holes of the flange plate so as to align bolt holes on the upper guide rail and the lower guide rail with the flange holes;
step 3: bolts penetrate through the flange holes and the bolt holes, nuts are arranged, and the upper guide rail and the lower guide rail are connected with the flange plate by screwing;
step 4: installing the flange plate provided with the hole aligning device on a prefabricated pipeline, and adjusting the height of a welding seam between the surface of the flange plate and the prefabricated pipeline;
step 5: rotating the horizontal bubble base to direct the pointer to the position of the mark corresponding to the flange Kong Kongshu;
step 6: rotating the flange plate, and adjusting the bubble level to a horizontal position;
step 7: and carrying out spot welding positioning on the flange after the adjustment, and disassembling the hole aligning device.
The invention relates to a use method of a prefabricated pipe section flange welding hole aligning device, which is further characterized in that when a prefabricated pipe is a straight pipe section, S5 and S6 are omitted, a limiting device is adjusted, and an indicating needle on the limiting device is aligned with a welding line on the inner wall of the pipe.
Compared with the prior art, the invention has the following beneficial effects:
According to the invention, the gear guide rail is arranged, so that symmetrical stretching can be performed according to the size of the flange, the device is ensured to be always concentric with the pipeline and the flange, errors are reduced, self-locking is completed through the matching of the guide rail and the gear, the adjustment is convenient, and the stability is good;
the flange plates with different pressure grades and different bolt holes can be adapted through the angle adjusting device, so that the flange holes and the horizontal line meet the angle requirement, and the influence on positioning caused by different diameters of the flange plates in the prefabricated pipeline is avoided;
the screwing device is arranged on the gear guide rail, so that the screwing device can be adjusted according to the thickness of the flange plate and the diameter of the bolt hole, the device and the flange plate are ensured to be firmly connected, and the precision is further improved;
In addition, the limiting device is additionally arranged on the gear guide rail, so that flange hole alignment on two sides of the straight pipe section can be rapidly carried out according to welding seams on the inner wall of the pipeline, the flexibility is high, the angle adjustment work is omitted, and the directions of flange holes on two sides are completely consistent;
the application has the advantages of simple structure, reasonable design, strong applicability, low cost, convenient installation and effective shortening of the processing period, and can effectively improve the hole-to-hole welding precision of the flange plate.
The invention is further described below with reference to the accompanying drawings.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of a gear guide rail structure according to the present invention;
FIG. 3 is a schematic view of a gear guide rail installation angle adjusting device according to the present invention;
fig. 4 is a schematic structural view of an angle adjusting device according to the present invention.
Reference numerals:
1. a guide rail base; 2. a gear; 3. an upper guide rail; 4. a lower guide rail; 5. a slideway; 6. teeth; 7. a bolt; 8. a nut; 9. a dial; 10. a horizontal bubble base; 11. a bubble level; 12. a limiting device; 13. a flange plate; 14. and (5) a flange hole.
Detailed Description
As shown in FIG. 1, the invention discloses a prefabricated pipe section flange welding hole aligning device and a using method, wherein the hole aligning device comprises a gear guide rail, screwing devices arranged on two sides of the gear guide rail, an angle adjusting device arranged on the gear guide rail and a limiting device 12 arranged on the gear guide rail.
With reference to fig. 1 and 2, the gear guide rail comprises a guide rail base 1, a gear 2 mounted on the top surface of the guide rail base 1, and an upper guide rail 3 and a lower guide rail 4 which are slidably arranged on the guide rail base 1, wherein the upper guide rail 3 is positioned above the lower guide rail 4, the upper guide rail 3 and the lower guide rail 4 are respectively provided with a slide rail 5 which is arranged along the length direction of the upper guide rail and penetrates through the upper surface and the lower surface of the guide rail, the gear 2 is positioned in the slide rail 5, and teeth 6 meshed with the gear 2 are arranged on two sides of the slide rail 5. The length of the gear guide rail can be adjusted to adapt to flange plates 13 of different specifications by pulling the upper guide rail 3 and the lower guide rail 4, and the upper guide rail 3 and the lower guide rail 4 are matched with the gear 2 to complete self-locking, so that the automatic locking device is convenient to operate, good in stability and high in accuracy.
The guide rail base 1 is provided with a groove, the gear 2, the upper guide rail 3 and the lower guide rail 4 are all arranged in the groove, and the upper guide rail 3 and the lower guide rail 4 slide along the groove.
Further, two gears 2 are provided, and the two gears 2 are connected with the rail base 1 through shafts. The upper guide rail 3 and the lower guide rail 4 are integrally of a U-shaped structure, and a slideway 5 for matching with the gear 2 is formed inside the U-shaped structure.
The screwing device comprises a bolt 7 and a nut 8 matched with the bolt 7, wherein the bolt 7 is a conical bolt 7, the nut 8 is a plum blossom nut 8, one end, deviating from the upper guide rail 3 and the lower guide rail 4, of the upper guide rail is provided with a bolt hole for the bolt 7 to penetrate, the bolt 7 sequentially penetrates through a flange hole 14 and the bolt hole to be fastened by the nut 8, and accordingly the flange 13 is connected with the hole aligning device.
Referring to fig. 3 and 4, the angle adjusting device includes a scale 9 fixedly installed on the top surface of the guide rail base 1 and located above the gear 2, a horizontal bubble base 10 coaxially and rotatably connected to the scale 9, and a bubble level 11 fixedly installed on the horizontal bubble base 10, wherein the scale on the scale 9 may be an angle, or may be a flange hole number, and different flange hole numbers correspond to different angles. The bubble level 11 is of a cuboid structure, a pointer is arranged on the horizontal bubble base 10, and the pointer and the horizontal axis of the bubble level 11 are positioned on the same straight line; when in use, the bubble level meter 11 is adjusted to be in a horizontal state by taking the horizontal line and the angle between the adjacent flange holes 14 as reference lines, and the pointers point to the number of the flange holes 14 on the flange 13, so that the installation and the positioning of the flange 13 are completed.
The limiting device 12 is of a C-shaped structure, the sliding sleeve is arranged on the upper guide rail 3 and the lower guide rail 4 at one end or two ends of the guide rail base 1, an indicating needle is arranged on one side, away from the guide rail base 1, of the limiting device 12, an indicating slit is formed in the middle position of the indicating needle, when the prefabricated pipe is a straight pipe section, the limiting device 12 is adjusted, the slit on the indicating needle on the limiting device 12 is aligned with a welding seam on the inner wall of a pipeline, and an angle adjusting device is not needed, so that the limiting device is more convenient.
The application method of the prefabricated pipe section flange welding and hole aligning device comprises the following steps:
step 1: when the opposite pipe section is installed, the special-shaped prefabricated pipeline to be welded with the flange plate 13 is flattened, and the end face is ensured to be vertical.
Step 2: bolts 7 and nuts 8 are removed from upper rail 3 and lower rail 4, and upper rail 3 and lower rail 4 are pulled according to the positions of flange holes 14 of flange plate 13, so that bolt holes on upper rail 3 and lower rail 4 are aligned with flange holes 14.
Step 3: bolts 7 pass through the flange holes 14 and the bolt holes, nuts 8 are installed, and the upper guide rail 3 and the lower guide rail 4 are connected with the flange 13 by screwing.
Step 4: and installing the flange plate 13 provided with the hole aligning device on the prefabricated pipeline, and adjusting the height of a welding seam between the surface of the flange plate 13 and the prefabricated pipeline.
Step 5: the horizontal bubble base 10 is rotated to direct the pointer to the position corresponding to the mark of the number of the flange holes 14.
Step 6: the flange 13 is rotated to adjust the bubble level 11 to a horizontal position.
Step 7: and (3) carrying out spot welding positioning on the flange 13 after the adjustment, disassembling the hole aligning device, and installing the flange 13 of the next prefabricated pipeline.
When the prefabricated pipeline is a straight pipe section, S5 and S6 are omitted, the limiting device 12 is adjusted, and the indicating needle on the limiting device 12 is aligned with the welding line on the inner wall of the pipeline.
The above examples are only illustrative of the preferred embodiments of the present invention and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art to the technical solution of the present invention should fall within the scope of protection defined by the claims of the present invention without departing from the spirit of the present invention.
Claims (7)
1. The utility model provides a prefabricated pipeline section flange welding is to hole device which characterized in that: comprises a gear guide rail, screwing devices arranged on two sides of the gear guide rail, an angle adjusting device arranged on the gear guide rail and a limiting device (12);
The gear guide rail comprises a guide rail base (1), a gear (2) arranged on the guide rail base (1), and an upper guide rail (3) and a lower guide rail (4) which are arranged on the guide rail base (1) in a sliding manner, wherein slide ways (5) penetrating through the upper surface and the lower surface of the guide rail are arranged on the upper guide rail (3) and the lower guide rail (4), the gear (2) is positioned in the slide ways (5), and teeth (6) meshed with the gear (2) are arranged on two sides of the slide ways (5);
The screwing device comprises a bolt (7) and a nut (8) matched with the bolt (7), and bolt holes for the bolt (7) to penetrate are formed in the upper guide rail (3) and the lower guide rail (4);
The angle adjusting device comprises a dial (9) fixedly arranged on the guide rail base (1) and positioned above the gear (2), a horizontal bubble base (10) coaxially and rotatably connected to the dial (9), and a bubble level (11) arranged on the horizontal bubble base (10);
A pointer is arranged on the horizontal bubble base (10), and the pointer and the horizontal axis of the bubble level (11) are positioned on the same straight line;
the scale on the dial (9) is the angle or the flange hole number;
The limiting device (12) is arranged on the upper guide rail (3) and the lower guide rail (4) at one end or two ends of the guide rail base (1) in a sliding sleeve mode, and an indicating needle is arranged on one side, away from the guide rail base (1), of the limiting device (12).
2. The prefabricated pipe section flange welding and hole aligning device according to claim 1, wherein: the guide rail base (1) is provided with a groove, and the gear (2), the upper guide rail (3) and the lower guide rail (4) are all arranged in the groove.
3. The prefabricated pipe section flange welding and hole aligning device according to claim 1, wherein: the upper guide rail (3) and the lower guide rail (4) are integrally of a U-shaped structure.
4. The prefabricated pipe section flange welding and hole aligning device according to claim 1, wherein: the number of the gears (2) is two.
5. The prefabricated pipe section flange welding and hole aligning device according to claim 4, wherein: the gear (2) is connected with the guide rail base (1) through a shaft.
6. A method of using a prefabricated pipe section flange welding and hole aligning device according to any one of claims 1-5, comprising the steps of:
Step 1: placing a prefabricated pipeline to be welded with a flange in place;
Step 2: removing the bolts (7) and the nuts (8) from the upper guide rail (3) and the lower guide rail (4), and stretching the upper guide rail (3) and the lower guide rail (4) according to the positions of flange holes of the flange plate so as to align the bolt holes on the upper guide rail (3) and the lower guide rail (4) with the flange holes;
step 3: bolts (7) pass through the flange holes and the bolt holes, nuts (8) are arranged, and the upper guide rail (3) and the lower guide rail (4) are connected with the flange plate by screwing;
step 4: installing the flange plate provided with the hole aligning device on a prefabricated pipeline, and adjusting the height of a welding seam between the surface of the flange plate and the prefabricated pipeline;
Step 5: rotating the horizontal bubble base (10) to direct the pointer to the position of the mark corresponding to the flange Kong Kongshu;
step 6: rotating the flange plate, and adjusting the bubble level (11) to a horizontal position;
step 7: and carrying out spot welding positioning on the flange after the adjustment, and disassembling the hole aligning device.
7. The method of using a prefabricated pipe section flange welding and hole aligning device according to claim 6, wherein: when the prefabricated pipeline is a straight pipe section, S5 and S6 are omitted, the limiting device (12) is adjusted, and the indicating needle on the limiting device (12) is aligned with the welding line on the inner wall of the pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111030655.XA CN113828993B (en) | 2021-09-03 | 2021-09-03 | Prefabricated pipe section flange welding hole aligning device and use method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111030655.XA CN113828993B (en) | 2021-09-03 | 2021-09-03 | Prefabricated pipe section flange welding hole aligning device and use method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113828993A CN113828993A (en) | 2021-12-24 |
| CN113828993B true CN113828993B (en) | 2024-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111030655.XA Active CN113828993B (en) | 2021-09-03 | 2021-09-03 | Prefabricated pipe section flange welding hole aligning device and use method |
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| Country | Link |
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| CN (1) | CN113828993B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115476302B (en) * | 2022-11-04 | 2023-04-25 | 山东航电能源科技有限公司 | Flange mounting centering device and centering method |
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| CN212858319U (en) * | 2020-06-12 | 2021-04-02 | 通为电气海安有限公司 | High-voltage switch shell inner cavity flange riveting tool |
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| US7370431B2 (en) * | 2006-01-23 | 2008-05-13 | The Minds Imagination, Llc | Pipefitting instruments and related methods |
| US9962796B2 (en) * | 2015-06-26 | 2018-05-08 | Data Point Targets LLC | Pipe locating system |
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|---|---|---|---|---|
| US4335523A (en) * | 1981-01-23 | 1982-06-22 | Bryant Gladys M | Tool for adjustably aligning pipe flanges and structural members |
| KR19980026956U (en) * | 1996-11-13 | 1998-08-05 | 김정국 | Flange assembly device of curved pipe |
| KR20110005754U (en) * | 2009-12-03 | 2011-06-10 | 대우조선해양 주식회사 | Guide apparatus for array of bolt hole of pipe flange |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN113828993A (en) | 2021-12-24 |
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