CN109176386B - K-shaped intersecting pipe assembling method for power transmission line steel pipe tower - Google Patents
K-shaped intersecting pipe assembling method for power transmission line steel pipe tower Download PDFInfo
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- CN109176386B CN109176386B CN201811186459.XA CN201811186459A CN109176386B CN 109176386 B CN109176386 B CN 109176386B CN 201811186459 A CN201811186459 A CN 201811186459A CN 109176386 B CN109176386 B CN 109176386B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
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Abstract
The invention provides a method for assembling K-shaped intersecting pipes of a steel pipe tower of a power transmission line, which comprises the following steps of: enabling a central suspension line of the movable flower disc to be perpendicular to the ground, and finding the upper center, the lower center, the left center and the right center of the flange of the main pipe; laying a lofting ground formwork steel plate on the guide rail in advance and fixing; marking a central line on the ground form steel plate according to the connecting line of the central points, and then drawing the central line of the intersecting pipe on the surface of the ground form steel plate according to the drawing size; placing the movable push disc on the surface of the ground mold, and ensuring that the central line of the movable push disc is superposed with the intersecting central line of the ground mold steel plate; assembling an angle steel moulding bed on the movable push disc; respectively measuring the central heights of the main pipe flange and the intersecting pipe flange by adopting a level gauge, and ensuring that the main pipe flange and the intersecting pipe flange are at the same height; fixing the through pipe flange on the angle steel tire membrane; assembling the main pipe and assembling the intersecting pipes. The method for splicing the K-shaped intersecting pipes of the steel pipe tower of the power transmission line effectively improves the splicing quality and reduces the production cost.
Description
Technical Field
The invention relates to the technical field of power transmission line steel pipe tower assembly, in particular to a method for assembling K-shaped intersecting pipes of a power transmission line steel pipe tower.
Background
In the prior art, the main pipe and the intersecting pipe of the K-shaped node of the steel pipe tower of the power transmission line are easy to have an angle and a positioning length error when being assembled, so that the K-shaped node of the steel pipe tower of the power transmission line is poor in assembling quality, and the overall assembling quality is reduced.
Disclosure of Invention
The invention provides the method for assembling the K-shaped intersecting pipes of the power transmission line steel pipe tower, which can effectively avoid errors in assembling the angles and the positioning lengths of the intersecting pipes and the main pipe, improve the assembling quality and reduce the production cost.
The technical scheme adopted by the invention is as follows: a method for assembling K-shaped intersecting pipes of a power transmission line steel pipe tower comprises the following steps:
step 1: hoisting the main pipe flange to the flower disc, supporting the main pipe flange by using a support block on the flower disc, and rotating to an assembling angle required by the drawing technology; aligning the upper center and the lower center of the main pipe flange; hanging a vertical line along a main pipe flange hole, determining the left center and the right center of the main pipe flange by combining scales on the faceplate, fixing the main pipe flange on the faceplate, rotating to a required angle, and locking and positioning;
step 2: laying a lofting ground formwork steel plate on the guide rail in advance and fixing; taking the upper center and the lower center of the main pipe flange as a reference, leading out a center line to be arranged on a ground model steel plate, and then measuring the size from the flange surface of the upper main pipe to the K-shaped node of the main pipe according to the technical requirements of drawings;
and step 3: drawing the center line of the intersecting pipe at the K-shaped node according to the actual size of 1:1, measuring the actual size from the K-shaped node to the upper plane of the flange of the intersecting pipe, and making a 90-degree perpendicular line of the upper plane of the flange of the intersecting pipe on the ground formwork steel plate;
and 4, step 4: drawing a central perpendicular line of the movable push disc, enabling the plane of the flange of the movable push disc to be overlapped with the central perpendicular line of the movable push disc, then placing the movable push disc at a 90-degree perpendicular line of the upper plane of the intersecting pipe flange, enabling the plane of the flange of the movable push disc to be overlapped with the 90-degree perpendicular line of the ground formwork steel plate, and fixing the movable push disc;
and 5: assembling an angle steel moulding bed on the movable push disc;
step 6: respectively measuring the central heights of the main pipe flange and the intersecting pipe flange by adopting a level gauge, and ensuring that the main pipe flange and the intersecting pipe flange are at the same height; then fixing the through pipe flange on the angle steel fetal membrane to enable the through pipe flange to be concentric with and perpendicular to the center line of the through pipe;
and 7: assembling a main pipe;
and 8: assembling the intersecting pipes.
Further, in step 7, during assembly, two limiting plates are respectively positioned at two pipe ends of the main pipe.
Further, in step 8, assembling a first group of intersecting pipes, and assembling intersecting pipes and intersecting pipe flanges on the front surface of the main pipe; when assembling, the inserting depth of the intersecting pipe and the intersecting pipe flange opening is controlled to be 1/2 of the thickness of the intersecting pipe flange.
Further, in step 8, after the assembly of the first group of intersecting pipes is completed, the movable pushing disc is withdrawn to a proper position, then the main pipe is rotated by 90 degrees, and the intersecting pipes and the intersecting pipe flanges are assembled on the side surface of the main pipe according to the method of steps 2 to 6.
Furthermore, during assembly, the insertion depth of the intersecting pipe and the intersecting pipe flange opening is controlled to be 1/2 the thickness of the intersecting pipe flange.
Compared with the prior art, the method for assembling the K-shaped intersecting pipes of the power transmission line steel pipe tower has the advantages that the center angle line of the intersecting pipes is drawn at the K-shaped nodes according to the actual size of 1:1, the actual size from the K-shaped nodes to the upper plane of the flanges of the intersecting pipes is measured, and the 90-degree vertical line of the upper plane of the flanges of the intersecting pipes is made on the ground formwork steel plate; then fixing the movable push disc at the 90-degree vertical line of the upper plane of the intersecting pipe flange, and fixing the movable push disc; respectively measuring the central heights of the main pipe flange and the intersecting pipe flange by using a level gauge, and ensuring that the main pipe flange and the intersecting pipe flange are at the same height; then fixing the through pipe flange on the angle steel fetal membrane to enable the through pipe flange to be concentric with and perpendicular to the center line of the through pipe; therefore, errors in the angle and the positioning length of the intersecting pipe and the main pipe during assembling are effectively avoided, the assembling quality is improved, and the production cost is reduced.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings, there is shown in the drawings,
FIG. 1: the invention discloses a main pipe flange positioning diagram;
FIG. 2: the invention discloses a schematic drawing for marking and positioning a through pipe flange;
FIG. 3: the invention discloses an assembly schematic diagram of K-shaped intersecting pipes of a power transmission line steel pipe tower;
FIG. 4: fig. 3 is a partially enlarged view.
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
As shown in fig. 1 to 4, the method for assembling the K-shaped intersecting pipes of the power transmission line steel pipe tower comprises the following steps:
step 1: hoisting the main pipe flange 1 onto the flower disc 2, supporting the main pipe flange 1 by using a support block 3 on the flower disc 2, and rotating to an assembling angle required by the drawing technology; the upper center and the lower center of the main pipe flange 1 are accurately found; hanging a vertical line a along a main pipe flange hole 15, determining the left and right centers of a main pipe flange 1 by combining scales on the faceplate 2, fixing the main pipe flange 1 on the faceplate 2, rotating to a required angle, and locking and positioning;
the vertical height of the main pipe flange 1 can be finely adjusted through the support block 3, and the left and right positions of the main pipe flange 1 are adjusted through the perpendicular line a.
Step 2: referring to fig. 2, a lofting ground form steel plate 4 is laid on a guide rail 5 in advance and fixed; and taking the upper center and the lower center of the main pipe flange 1 as a reference, leading out a center line and placing the center line on a ground model steel plate 4, and then measuring the size b from the upper main pipe flange surface 6 to the K-shaped node 7 of the main pipe A according to the technical requirements of drawings.
And step 3: drawing a central line 14 of the intersecting pipe B at the K-shaped node 7 according to the actual size of 1:1, measuring the actual size from the K-shaped node 7 to the upper plane 8 of the intersecting pipe flange, and making a 90-degree perpendicular line of the upper plane 8 of the intersecting pipe flange on the ground formwork steel plate 4.
And 4, step 4: drawing a center perpendicular line of the movable push disc 10 to enable the movable push disc flange plane 11 to be overlapped with the center perpendicular line of the movable push disc 10, then placing the movable push disc 10 at a 90-degree perpendicular line of the upper plane 8 of the intersecting pipe flange to enable the movable push disc flange plane 11 to be overlapped with the 90-degree perpendicular line of the ground formwork steel plate 4, and fixing the movable push disc 10.
And 5: an angle steel mould 12 is assembled on the movable push disc 10 and used for positioning the intersecting pipe flange 13.
Step 6: respectively measuring the central heights of the main pipe flange 1 and the intersecting pipe flange 13 by adopting a level gauge, and ensuring that the two are at the same height; then the tubular flange 13 is fixed to the angle steel caul 12 so that the tubular flange 13 is concentric and perpendicular to the centerline 14 of the tubular B, i.e.: the intersecting pipe B is perpendicular to the intersecting pipe flange 13.
And 7: the main pipe A is assembled.
During assembly, the total length of the main pipe A and the main pipe flange 1 is controlled by taking the drawing size as the length of the main pipe A, and a limiting plate inserted into the flange is positioned at each of two pipe ends of the main pipe A;
and 8: assembling the intersecting pipe B.
Firstly, assembling a first group of intersecting pipes B (front intersecting pipes), and assembling the intersecting pipes B and intersecting pipe flanges 13 on the front side of a main pipe A; during assembly, the insertion depth of the intersecting pipe B and the intersecting pipe flange opening needs to be controlled to be 1/2 the thickness of the intersecting pipe flange 13.
Then, assembling a second group of intersecting pipes B (side intersecting pipes); and (3) after the assembly of the first group of the intersecting pipes B is finished, withdrawing the movable push disc 10 to a proper position, rotating the main pipe A by 90 degrees, and assembling the intersecting pipes B and the intersecting pipe flanges 13 on the side surfaces of the main pipe A according to the methods of the steps 2 to 6. During assembly, the insertion depth of the intersecting pipe B and the intersecting pipe flange opening needs to be controlled to be 1/2 the thickness of the intersecting pipe flange 13.
In conclusion, the method for assembling the K-shaped intersecting pipes of the steel pipe tower of the power transmission line comprises the steps of drawing a central angle line of the intersecting pipe B at a K-shaped node 7 according to the actual size of 1:1, measuring the actual size from the K-shaped node 7 to an upper plane 8 of a flange of the intersecting pipe, and forming a 90-degree vertical line of the upper plane 8 of the flange of the intersecting pipe on a ground formwork steel plate 4; then fixing the movable push disc 10 at the 90-degree vertical line of the upper plane 8 of the intersecting pipe flange, and fixing the movable push disc 10; respectively measuring the central heights of the main pipe flange 1 and the intersecting pipe flange 13 by using a level gauge, and ensuring that the two are at the same height; then fixing the through pipe flange 13 on the angle steel fetal membrane 12 to enable the through pipe flange 13 to be concentric with and perpendicular to the center line of the through pipe B; therefore, errors in the angle and the positioning length of the intersecting pipe B and the main pipe A during assembling are effectively avoided, the assembling quality is improved, and the production cost is reduced.
Any combination of the various embodiments of the present invention should be considered as disclosed in the present invention, unless the inventive concept is contrary to the present invention; within the scope of the technical idea of the invention, any combination of various simple modifications and different embodiments of the technical solution without departing from the inventive idea of the present invention shall fall within the protection scope of the present invention.
Claims (5)
1. A method for assembling K-shaped intersecting pipes of a steel pipe tower of a power transmission line is characterized by comprising the following steps:
step 1: hoisting the main pipe flange (1) to the flower disc (2), supporting the main pipe flange (1) by using a support block (3) on the flower disc (2), and rotating to an assembling angle required by the drawing technology; the upper center and the lower center of the main pipe flange (1) are accurately found; hanging a vertical line (a) along a main pipe flange hole (15), determining the left center and the right center of the main pipe flange (1) by combining scales on the faceplate (2), fixing the main pipe flange (1) on the faceplate (2), rotating to a required angle, and then locking and positioning;
step 2: laying a lofting ground form steel plate (4) on a guide rail (5) in advance and fixing; taking the upper center and the lower center of the main pipe flange (1) as a reference, leading out a center line to be arranged on a ground model steel plate (4), and then measuring the size (b) from the upper main pipe flange surface (6) to a K-shaped node (7) of the main pipe (A) according to the technical requirements of drawings;
and step 3: drawing a central line (14) of the intersecting pipe (B) at the K-shaped node (7) according to the actual size of 1:1, measuring the actual size from the K-shaped node (7) to an upper plane (8) of the intersecting pipe flange, and making a 90-degree perpendicular line of the upper plane (8) of the intersecting pipe flange on the ground formwork steel plate (4);
and 4, step 4: drawing a central perpendicular line of the movable push disc (10), enabling a flange plane (11) of the movable push disc to coincide with the central perpendicular line of the movable push disc (10), then placing the movable push disc (10) at a 90-degree perpendicular line of an upper plane (8) of a tubular flange, enabling the flange plane (11) of the movable push disc to coincide with the 90-degree perpendicular line of the ground formwork steel plate (4), and fixing the movable push disc (10);
and 5: assembling an angle steel tire membrane (12) on the movable push disc (10);
step 6: respectively measuring the central heights of the main pipe flange (1) and the intersecting pipe flange (13) by adopting a level gauge, and ensuring that the two are at the same height; then fixing the through pipe flange (13) on the angle steel fetal membrane (12) to ensure that the through pipe flange (13) is concentric and vertical to the central line (14) of the through pipe (B);
and 7: assembling a main pipe (A);
and 8: assembling the intersecting pipes (B).
2. The method for assembling the K-shaped intersecting pipes of the power transmission line steel pipe tower according to claim 1, characterized by comprising the following steps: and 7, positioning a limiting plate at each of the two pipe ends of the main pipe (A) during assembly.
3. The method for assembling the K-shaped intersecting pipes of the power transmission line steel pipe tower according to claim 1, characterized by comprising the following steps: in the step 8, assembling a first group of intersecting pipes (B), and assembling the intersecting pipes (B) and intersecting pipe flanges (13) on the front surface of the main pipe (A); and during assembly, the insertion depth of the intersecting pipe (B) and the intersecting pipe flange opening is controlled to be 1/2 of the thickness of the intersecting pipe flange (13).
4. The method for assembling the K-shaped intersecting pipes of the power transmission line steel pipe tower according to claim 3, wherein the method comprises the following steps: in step 8, after the first group of intersecting pipes (B) are assembled, the movable push disc (10) is withdrawn to a proper position, then the main pipe (A) is rotated by 90 degrees, and the intersecting pipes (B) and the intersecting pipe flanges (13) are assembled on the side surfaces of the main pipe (A) according to the method of the steps 2 to 6.
5. The method for assembling the K-shaped intersecting pipes of the power transmission line steel pipe tower according to claim 4, wherein the method comprises the following steps: and during assembly, the insertion depth of the intersecting pipe (B) and the intersecting pipe flange opening is controlled to be 1/2 of the thickness of the intersecting pipe flange (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811186459.XA CN109176386B (en) | 2018-10-12 | 2018-10-12 | K-shaped intersecting pipe assembling method for power transmission line steel pipe tower |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811186459.XA CN109176386B (en) | 2018-10-12 | 2018-10-12 | K-shaped intersecting pipe assembling method for power transmission line steel pipe tower |
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| CN109176386A CN109176386A (en) | 2019-01-11 |
| CN109176386B true CN109176386B (en) | 2020-05-22 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204690777U (en) * | 2015-06-17 | 2015-10-07 | 国家电网公司 | A kind of Novel prefabricated steel pipe pile foundation being applicable to electric power line pole tower |
| CN206448600U (en) * | 2017-02-20 | 2017-08-29 | 赵丽芸 | A kind of steel tube tower in electric transmission line |
| CN207289333U (en) * | 2017-10-11 | 2018-05-01 | 浙江宁远塔桅制造有限公司 | A kind of assemblage platform |
| CN207526141U (en) * | 2017-11-16 | 2018-06-22 | 中国建筑一局(集团)有限公司 | Small-section tower-shaped steel structure assembled operating platform |
| CN108480874A (en) * | 2018-06-14 | 2018-09-04 | 安徽宏源铁塔有限公司 | A kind of steel tube tower transmission line of electricity ball node splicing process |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5204107B2 (en) * | 2008-06-11 | 2013-06-05 | 三菱重工業株式会社 | Flange joint for structural members |
| RU2393949C2 (en) * | 2008-08-27 | 2010-07-10 | Сергей Владимирович ЛУКЬЯНЕЦ | Device to prepare end faces of thin-wall shells for welding |
-
2018
- 2018-10-12 CN CN201811186459.XA patent/CN109176386B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204690777U (en) * | 2015-06-17 | 2015-10-07 | 国家电网公司 | A kind of Novel prefabricated steel pipe pile foundation being applicable to electric power line pole tower |
| CN206448600U (en) * | 2017-02-20 | 2017-08-29 | 赵丽芸 | A kind of steel tube tower in electric transmission line |
| CN207289333U (en) * | 2017-10-11 | 2018-05-01 | 浙江宁远塔桅制造有限公司 | A kind of assemblage platform |
| CN207526141U (en) * | 2017-11-16 | 2018-06-22 | 中国建筑一局(集团)有限公司 | Small-section tower-shaped steel structure assembled operating platform |
| CN108480874A (en) * | 2018-06-14 | 2018-09-04 | 安徽宏源铁塔有限公司 | A kind of steel tube tower transmission line of electricity ball node splicing process |
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| CN109176386A (en) | 2019-01-11 |
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Denomination of invention: An assembly method of K-type intersecting pipe of transmission line steel pipe tower Effective date of registration: 20211209 Granted publication date: 20200522 Pledgee: China Co. truction Bank Corp Guangzhou Zengcheng branch Pledgor: GUANGZHOU ZENGLI STEEL STRUCTURE Co.,Ltd. Registration number: Y2021440000367 |