CN112025168B - Positioning device for fixing inclined insertion pipe of cylindrical furnace shell and using method of positioning device - Google Patents
Positioning device for fixing inclined insertion pipe of cylindrical furnace shell and using method of positioning device Download PDFInfo
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- CN112025168B CN112025168B CN202010880672.1A CN202010880672A CN112025168B CN 112025168 B CN112025168 B CN 112025168B CN 202010880672 A CN202010880672 A CN 202010880672A CN 112025168 B CN112025168 B CN 112025168B
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- 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
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
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Abstract
The invention relates to the field of positioning cylindrical workpieces, in particular to a positioning device for fixing an inclined insertion pipe on a cylindrical furnace shell and a using method thereof. The utility model provides a positioner that is used for fixed oblique intubate of cylinder stove outer covering, includes stove outer covering body (1), characterized by: still include two locating plates (2), locating plate (2) are right trapezoid, and one locating plate (2) are with short bottom edge laminating stove outer covering body (1), and another locating plate (2) are with long bottom edge laminating stove outer covering body (1), constitute the location passageway between two oblique waists of two locating plates (2). A use method of a positioning device for fixing an inclined insertion pipe on a cylindrical furnace shell is characterized by comprising the following steps: the method is implemented in sequence according to the following steps: firstly, preparation; secondly, positioning; thirdly, positioning a pipe; fourthly, positioning; and fixing. The invention ensures the precision and improves the quality.
Description
Technical Field
The invention relates to the field of positioning cylindrical workpieces, in particular to a positioning device for fixing an inclined insertion pipe on a cylindrical furnace shell and a using method thereof.
Background
The blast furnace stove outer covering is cylindrical roughly, need to weld a plurality of protection shield connecting pipes of installation on the stove outer covering during the use, and protection shield connecting pipe and stove outer covering surface are upwarp structure, because the lateral surface of stove outer covering is the arc, the protection shield connecting pipe lacks reliable positioning auxiliary tool when the welding, and the position precision is influenced, also is difficult to guarantee welding quality.
Disclosure of Invention
The invention discloses a positioning device for fixing an inclined insertion pipe of a cylindrical furnace shell and a using method thereof, aiming at overcoming the defects of the prior art and providing a positioning tool which has the advantages of simple structure, convenience in use, accuracy guarantee and quality improvement.
The invention achieves the purpose by the following technical scheme:
the utility model provides a positioner that is used for fixed oblique intubate of cylinder stove outer covering, includes the stove outer covering body, and the stove outer covering body is cylindrical, is equipped with the fixed orifices on the stove outer covering body, and the fixed orifices is for having the closed shape of the axisymmetric of two mutually perpendicular's symmetry axes, characterized by: still include two locating plates, the locating plate is right trapezoid, a locating plate uses short base limit laminating stove outer covering body one through the generating line and the welded fastening of fixed orifices central point on the stove outer covering body of fixed orifices lower part, this piece is located the hole limit that the blunt base angle fixed point of locating plate of fixed orifices lower part supported the fixed orifices, another piece of locating plate is with same generating line and the welded fastening of long base limit laminating stove outer covering body on the stove outer covering body on fixed orifices upper portion, the sharp base angle fixed point that this piece is located the locating plate on fixed orifices upper portion supports the hole limit of fixed orifices, constitute the location passageway between two oblique waists of two locating plates.
A positioner that is used for fixed oblique intubate of cylinder stove outer covering, characterized by:
the fixing hole is a round hole or a square hole,
the length of the short bottom edge of the positioning plate is equal to the length of the short bottom edge of the positioning plate, and the length of the long bottom edge of the positioning plate is 150-200% of the length of the short bottom edge.
The use method of the positioning device for fixing the inclined insertion tube on the cylindrical furnace shell is characterized by comprising the following steps: the method is implemented in sequence according to the following steps:
preparing: marking two mutually vertical symmetrical axes of the fixed hole on the periphery of the fixed hole of the furnace shell body, wherein one axis is in the horizontal direction, the other axis is in the vertical direction, and cutting two positioning plates by using a steel plate;
positioning: attaching a positioning plate to a furnace shell body through a bus passing through the central point of the fixing hole by using a short bottom edge, fixing the positioning plate on the furnace shell body at the lower part of the fixing hole in a spot welding manner, and enabling the obtuse bottom angle of the positioning plate positioned at the lower part of the fixing hole to abut against the hole edge of the fixing hole;
thirdly, positioning the tube: inserting the bottom of the connecting pipe of the protection plate into the fixing hole along the oblique waist of the positioning plate positioned at the lower part of the fixing hole, and then fixing the connecting pipe of the protection plate on the fixing hole in a spot welding manner;
fourthly, positioning: attaching the other positioning plate to the same bus of the furnace shell body by a long bottom edge and to the pipe wall of the connecting pipe of the protection plate by an inclined waist, and fixing the positioning plate on the furnace shell body at the upper part of the fixing hole in a spot welding manner, and enabling the sharp bottom angle of the positioning plate positioned at the upper part of the fixing hole to be abutted against the hole edge of the fixing hole;
measuring: measuring whether the sizes of the left side and the right side of the connecting pipe of the protection plate meet the design requirements or not, if not, knocking the connecting pipe of the protection plate by a hammer to adjust the sizes to meet the requirements;
fixing: and (4) fully welding and fixing the connecting pipe of the protection plate on the fixing hole, and finally polishing the welding line.
The use method of the positioning device for fixing the inclined insertion pipe on the cylindrical furnace shell is characterized in that:
secondly, no more than four welding points are arranged between the positioning plate and the furnace shell body, and each welding point is respectively positioned on an equant point of the short bottom edge of the positioning plate;
when the number of the welding points between the connecting pipe of the protection plate and the fixing hole is not more than four, and all the welding points are evenly distributed around the central point of the fixing hole;
and fourthly, when the furnace shell is in the second step, the number of welding points between the positioning plate and the furnace shell body is not more than four, and each welding point is respectively positioned on an equal division point of the long bottom edge of the positioning plate.
The protection plate connecting pipe for welding the furnace shell can obviously improve the assembly precision of the obliquely inserted protection half connecting pipe on the furnace shell and improve the construction efficiency.
The beneficial effects of the invention are: simple structure, convenient to use guarantees the precision, improves the quality.
Drawings
Figure 1 is a cross-sectional view in a front view of the present invention,
FIG. 2 is a schematic view showing the fixing holes provided in the furnace shell body according to the present invention,
figure 3 is a schematic view of the invention after the lower positioning has been completed in use,
fig. 4 is a schematic view of the completed positioning tube of the present invention in use.
Detailed Description
The invention is further illustrated by the following specific examples.
Example 1
The utility model provides a positioner that is used for fixed oblique intubate of cylinder stove outer covering, includes stove outer covering body 1 and two locating plates 2, as shown in figure 1, concrete structure is:
the furnace shell body 1 is cylindrical, as shown in fig. 2: the furnace shell body 1 is provided with a fixing hole 11, the fixing hole 11 is in an axisymmetric closed shape with two mutually perpendicular symmetry axes, such as a circle or a rectangle, in fig. 2: the dotted line H is a symmetry axis in the horizontal direction, the dotted line V is a symmetry axis in the vertical direction,
the locating plate 2 is right trapezoid, the length of the short base of the locating plate 2 is equal to the length of the short base, the length of the long base of the locating plate 2 is 150% -200% of the length of the short base, one locating plate 2 is attached to the furnace shell body 1 through a bus of the central point of the fixing hole 11 by the short base and is welded and fixed on the furnace shell body 1 at the lower part of the fixing hole 11, the obtuse base angle fixed point of the locating plate 2 at the lower part of the fixing hole 11 is abutted to the hole edge of the fixing hole 11, the other locating plate 2 is attached to the same bus of the furnace shell body 1 by the long base and is welded and fixed on the furnace shell body 1 at the upper part of the fixing hole 11, the acute base angle fixed point of the locating plate 2 at the upper part of the fixing hole 11 is abutted to the hole edge of the fixing hole 11, and a locating channel is formed between two oblique waists of the two locating plates 2.
When the method is used, the steps are implemented in sequence as follows:
firstly, preparing: as shown in fig. 2: two mutually perpendicular symmetry axes of the fixing hole 11 are marked on the periphery of the fixing hole 11 of the furnace shell body 1, a dotted line H is a symmetry axis in the horizontal direction, a dotted line V is a symmetry axis in the vertical direction, the fixing hole 11 is used for inserting the protection plate connecting pipe 3,
drawing a pattern of the positioning plates 2 in the CAD, then cutting, processing and forming the two positioning plates 2 by adopting numerical control blanking;
in this embodiment: the outer diameter of the protection plate connecting pipe 3 is 172mm, the wall thickness of the protection plate connecting pipe 3 is 2mm, the protection plate connecting pipe 3 is inserted into the fixing hole 11 in a direction that the central axis of the protection plate connecting pipe 3 forms an included angle of 30 degrees with the horizontal line,
then: the hole wall of the fixed hole 11 forms an included angle of 30 degrees with the horizontal line, the aperture is 172mm and is about 297.9mm, the short bottom edge and the height of the positioning plate 2 are both 100mm, the acute bottom angle and the obtuse bottom angle of the positioning plate 2 are respectively 60 degrees and 120 degrees, and the long bottom edge of the positioning plate 2 is 100(1 +) mm and is about 157.7 mm;
positioning: as shown in fig. 3: attaching a positioning plate 2 to the furnace shell body 1 by a short bottom edge, namely, attaching a bus passing through the central point of a fixing hole 11, namely, a symmetry axis dotted line V in the vertical direction in the drawing 2, and fixing the bus on the furnace shell body 1 at the lower part of the fixing hole 11 by spot welding, wherein the fixed point of the obtuse bottom angle of the positioning plate 2 positioned at the lower part of the fixing hole 11 is abutted against the hole edge of the fixing hole 11, the number of welding spots between the positioning plate 2 and the furnace shell body 1 is three, and each welding spot is respectively positioned on the trisection point of the short bottom edge of the positioning plate 2;
thirdly, positioning the tube: inserting the bottom of the protective plate connecting pipe 3 into the fixing hole 11 along the oblique waist of the positioning plate 2 positioned below the fixing hole 11 according to the drawing requirements, arranging a protective plate connecting flange 31 at the top of the protective plate connecting pipe 3, and then fixing the protective plate connecting pipe 3 on the fixing hole 11 in a spot welding manner, wherein four welding spots are arranged between the protective plate connecting pipe 3 and the fixing hole 11, and are evenly distributed around the central point of the fixing hole 11;
note: if the fixing hole 11 is a circular hole, each welding point is respectively arranged on an equant point of the circumference of the fixing hole 11, and if the fixing hole 11 is a rectangular hole, included angles formed by connecting the central point of the fixing hole 11 with two adjacent welding points respectively are equal;
fourthly, positioning: another positioning plate 2 is attached to the same bus of the furnace shell body 1 by the long bottom edge and attached to the pipe wall of the protective plate connecting pipe 3 by the inclined waist and fixed on the furnace shell body 1 at the upper part of the fixed hole 11 by spot welding, the sharp bottom angle of the positioning plate 2 positioned at the upper part of the fixed hole 11 is fixed to abut against the hole edge of the fixed hole 11, the number of welding spots between the positioning plate 2 and the furnace shell body 1 is three, and each welding spot is respectively positioned on the trisection point of the long bottom edge of the positioning plate 2;
measuring: according to the requirements of a drawing, whether the sizes of the left side and the right side of the connecting pipe 3 of the protection plate meet the design requirements is measured, if not, a hammer is used for knocking the connecting pipe 3 of the protection plate to adjust the sizes to meet the requirements;
fixing: and (3) fully welding and fixing the connecting pipe 3 of the protection plate on the fixing hole 11 according to the drawing requirements, polishing the welding line, and entering the next procedure after the welding line is qualified.
After completion as shown in figure 1.
In fig. 1, 3 and 4, In refers to the inner region of the furnace shell body 1 and Out refers to the outer region of the furnace shell body 1.
Claims (2)
1. A using method of a positioning device for fixing an inclined insertion pipe of a cylindrical furnace shell comprises a furnace shell body (1) and two positioning plates (2),
the furnace shell body (1) is cylindrical, a fixing hole (11) is formed in the furnace shell body (1), and the fixing hole (11) is in an axisymmetric closed shape with two mutually perpendicular symmetry axes;
the positioning plates (2) are in a right trapezoid shape, one positioning plate (2) is attached to a bus passing through the center point of the fixing hole (11) through a short bottom edge and is fixedly welded on the furnace shell body (1) at the lower part of the fixing hole (11), an obtuse bottom angle of the positioning plate (2) at the lower part of the fixing hole (11) is fixed to abut against the hole edge of the fixing hole (11), the other positioning plate (2) is attached to the same bus of the furnace shell body (1) through a long bottom edge and is fixedly welded on the furnace shell body (1) at the upper part of the fixing hole (11), an acute bottom angle of the positioning plate (2) at the upper part of the fixing hole (11) is fixed to abut against the hole edge of the fixing hole (11), and a positioning channel is formed between two oblique waists of the two positioning plates (2);
the fixing holes (11) are round holes or square holes, the length of the short bottom edge of the positioning plate (2) is equal to the length of the short bottom edge of the positioning plate, and the length of the long bottom edge of the positioning plate (2) is 150% -200% of the length of the short bottom edge;
the method is characterized in that: the method is implemented in sequence according to the following steps:
preparing: marking two mutually vertical symmetrical axes of the fixed hole (11) at the periphery of the fixed hole (11) of the furnace shell body (1), wherein one axis is in the horizontal direction, the other axis is in the vertical direction, and cutting two positioning plates (2) by using a steel plate;
positioning: attaching a short bottom edge of a positioning plate (2) to a bus passing through the center point of a fixing hole (11) of a furnace shell body (1), fixing the short bottom edge to the furnace shell body (1) in a spot welding manner, and enabling an obtuse bottom angle fixed point of the positioning plate (2) positioned at the lower part of the fixing hole (11) to abut against the hole edge of the fixing hole (11);
thirdly, positioning the tube: inserting the bottom of the protective plate connecting pipe (3) into the fixing hole (11) along the oblique waist of the positioning plate (2) positioned below the fixing hole (11), and then fixing the protective plate connecting pipe (3) on the fixing hole (11) in a spot welding manner;
fourthly, positioning: attaching the other positioning plate (2) to the same bus of the furnace shell body (1) by a long bottom edge and attaching to the pipe wall of the protective plate connecting pipe (3) by an inclined waist and fixing the positioning plate on the furnace shell body (1) at the upper part of the fixed hole (11) in a spot welding manner, and enabling the sharp bottom angle of the positioning plate (2) positioned at the upper part of the fixed hole (11) to be abutted against the hole edge of the fixed hole (11);
measuring: measuring whether the sizes of the left side and the right side of the protection plate connecting pipe (3) meet the design requirements or not, if not, knocking the protection plate connecting pipe (3) by a hammer to adjust the sizes to meet the requirements;
fixing: and (3) fully welding and fixing the protective plate connecting pipe (3) on the fixing hole (11), and finally polishing the welding line.
2. The use method of the positioning device for fixing the inclined insertion tube on the cylindrical furnace shell according to claim 1 is characterized in that:
secondly, no more than four welding points are arranged between the positioning plate (2) and the furnace shell body (1), and each welding point is respectively positioned on an equal division point of the short bottom edge of the positioning plate (2);
when the protection plate is used, the number of welding points between the protection plate connecting pipe (3) and the fixing hole (11) is not more than four, and the welding points are evenly distributed around the central point of the fixing hole (11);
and fourthly, when the furnace shell body is in the fourth step, no more than four welding points are arranged between the positioning plate (2) and the furnace shell body (1), and each welding point is respectively positioned on an equal division of the long bottom edge of the positioning plate (2).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010880672.1A CN112025168B (en) | 2020-08-27 | 2020-08-27 | Positioning device for fixing inclined insertion pipe of cylindrical furnace shell and using method of positioning device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010880672.1A CN112025168B (en) | 2020-08-27 | 2020-08-27 | Positioning device for fixing inclined insertion pipe of cylindrical furnace shell and using method of positioning device |
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| CN112025168A CN112025168A (en) | 2020-12-04 |
| CN112025168B true CN112025168B (en) | 2022-07-05 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| FR2443008A1 (en) * | 1978-11-29 | 1980-06-27 | Petroles Cie Francaise | METHOD OF MOUNTING AN ADDITIONAL TUBULAR ELEMENT ON A TUBULAR STRUCTURE, AS WELL AS IMPLEMENTATION DEVICE |
| AU650221B2 (en) * | 1989-08-25 | 1994-06-09 | Showa Denko Kabushiki Kaisha | A method of making a brazeable metal pipe having tube-insertion apertures formed with guide lugs |
| CN100493799C (en) * | 2006-03-20 | 2009-06-03 | 上海锅炉厂有限公司 | Method of welding the plug in type connection tube and the un-orthogonal crossed connection joint of the cylinder |
| JP5166201B2 (en) * | 2008-10-22 | 2013-03-21 | オリジン電気株式会社 | Pressure vessel manufacturing method, manufacturing apparatus, and pressure vessel |
| CN102380690A (en) * | 2011-03-30 | 2012-03-21 | 上海锅炉厂有限公司 | Method for controlling welding deformation of joint between inserted large inclined tube and barrel |
| CN102513757A (en) * | 2011-12-01 | 2012-06-27 | 沪东重机有限公司 | Welding and positioning tool for PA diesel supercharger oil return pipe |
| CN103769744B (en) * | 2014-02-20 | 2016-04-20 | 云南大为化工装备制造有限公司 | Accurate group that on major diameter metal cylindrical shell, oblique cutting is taken over to method |
| CN104563301B (en) * | 2014-12-27 | 2016-08-24 | 华北水利水电大学 | The flat oblique locating connector of cylindrical steel structure based on BIM |
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