CN215701644U - Line drawing tool for round pipe - Google Patents
Line drawing tool for round pipe Download PDFInfo
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- CN215701644U CN215701644U CN202122004572.5U CN202122004572U CN215701644U CN 215701644 U CN215701644 U CN 215701644U CN 202122004572 U CN202122004572 U CN 202122004572U CN 215701644 U CN215701644 U CN 215701644U
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Abstract
The utility model relates to the technical field of boiler equipment, and provides a round tube line drawing tool, which comprises: a center pole; the positioning piece is arranged at one end of the central rod and is suitable for fixing the central rod on the pipe wall of the circular pipe; one end of the cantilever rod is connected with the central rod, and the cantilever rod is vertically arranged with the central rod; the drawing rod is connected with the cantilever rod, the drawing rod can slide along the extending direction of the cantilever rod, the drawing rod and the central rod are arranged in parallel, and the action part of the drawing rod is suitable for drawing a line on the pipe wall of the round pipe. This pipe setting-out instrument, during the setting-out, after confirming trompil central line position on the pipe, fix well on the pipe through the setting element with well core rod, make between core rod and the setting-out pole apart from keeping unanimous with connecting tube's radius, later make the setting-out pole rotate around well core rod, draw out saddle mouth looks transversal. The device is convenient and simple to use, has low technical requirements on workers, can shorten saddle mouth lofting time, and is favorable for improving the efficiency of site operation.
Description
Technical Field
The utility model relates to the technical field of circular tube line drawing tools, in particular to a circular tube line drawing tool.
Background
In the current machining industry, software lofting is mostly adopted for machining circular tube saddle openings, then lofting is carried out manually, and then hole opening operation is carried out.
The expanded pattern of the sheet metal is generally laid out by adopting an intersecting line method without a calculation formula. The master worker needs to draw lines and loft the saddle opening on site, the technical requirement on the master worker is high, and the adaptability and the working efficiency of the site workers are limited greatly.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model aims to solve the technical problems that a circular tube line drawing tool is lacked, a worker needs to draw and lay out a saddle opening on site, the technical requirement on the worker is high, and the adaptability and the working efficiency of site workers are greatly limited, so that the circular tube line drawing tool is provided.
In order to solve the technical problems, the technical scheme of the utility model is as follows:
the utility model provides a round tube line drawing tool, which comprises: a center pole; the positioning piece is arranged at one end of the central rod and is suitable for fixing the central rod on the pipe wall of the circular pipe; one end of the cantilever rod is connected with the central rod, and the cantilever rod is vertically arranged at the position where the cantilever rod is connected with the central rod; draw the line pole, the linkage part of setting-out pole with the cantilever bar links to each other, draw the line pole and can follow the extending direction of cantilever bar slides, draw the line pole with well core rod parallel arrangement each other, the action portion of drawing the line pole is suitable for the setting-out on the pipe wall of pipe.
Furthermore, the round tube line drawing tool also comprises a first connecting piece which is of a cuboid structure, and a first through hole and a second through hole which are vertical to each other in extension direction are formed in the first connecting piece; one end of the central rod, which is far away from the positioning piece, is inserted into the first through hole; one end of the cantilever rod, which is far away from the line drawing rod, is inserted into the second through hole.
Furthermore, the round tube line drawing tool also comprises a second connecting piece which is of a cuboid structure, and a third through hole and a fourth through hole which are vertical to each other in extension direction are arranged on the second connecting piece; one end of the cantilever rod, which is far away from the central rod, is inserted into the third through hole, and the second connecting piece can slide along the extending direction of the cantilever rod; the connecting part of the line drawing rod is inserted into the fourth through hole, and the second connecting piece can slide along the extending direction of the line drawing rod.
Further, the setting element includes the arc of two mutually perpendicular settings, every the depressed face of arc all is in the back to well core rod sets up, every the radian of depressed face keeps unanimous with the radian of pipe wall.
Furthermore, the action part of the line drawing rod comprises a pen core, and the pen core is detachably arranged on the line drawing rod.
The technical scheme of the utility model has the following advantages:
according to the round tube line drawing tool provided by the utility model, when a line is drawn, after the position of the center line of the hole is determined on the round tube, the center rod is fixed on the round tube through the positioning piece, then the position of the line drawing rod on the cantilever rod is adjusted according to the radius of the connecting pipeline, so that the distance between the center rod and the line drawing rod is consistent with the radius of the connecting pipeline, and then the line drawing rod rotates around the center rod to draw the saddle mouth intersecting line. The device is convenient and simple to use, has low technical requirements on workers, can shorten saddle mouth lofting time, and is favorable for improving the efficiency of site operation.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic view of a round tube line marking tool in an embodiment of the present invention;
fig. 2 is a top view of a positioning member in a round tube line drawing tool in an embodiment of the utility model.
Description of reference numerals:
1. a center pole; 2. A cantilever bar; 3. Drawing a line rod;
4. a positioning member; 5. A first connecting member; 6. A second connecting member;
7. a pen core; 8. The contact point is located.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
FIG. 1 is a schematic view of a round tube line marking tool in an embodiment of the present invention; as shown in fig. 1, the present embodiment provides a round tube line drawing tool, including: a central rod 1; the positioning piece 4 is arranged at one end of the central rod 1 and is suitable for fixing the central rod 1 on the pipe wall of the circular pipe; one end of the cantilever rod 2 is connected with the central rod 1, and the cantilever rod 2 is vertically arranged at the position where the cantilever rod 2 is connected with the central rod 1; the line drawing rod 3, the connecting portion of the line drawing rod 3 are connected with the cantilever rod 2, the line drawing rod 3 can slide along the extending direction of the cantilever rod 2, the line drawing rod 3 and the central rod 1 are arranged in parallel, and the action portion of the line drawing rod 3 is suitable for drawing lines on the pipe wall of a round pipe.
Specifically, the central rod 1, the cantilever rod 2 and the line drawing rod 3 can be rod-shaped structures with circular end faces, and the sizes of the three can be designed as required.
According to the round tube line drawing tool provided by the utility model, when a line is drawn, after the position of the center line of the hole is determined on the round tube, the center rod is fixed on the round tube through the positioning piece, then the position of the line drawing rod on the cantilever rod is adjusted according to the radius of the connecting pipeline, so that the distance between the center rod and the line drawing rod is consistent with the radius of the connecting pipeline, and then the line drawing rod rotates around the center rod to draw the saddle mouth intersecting line. The device is convenient and simple to use, has low technical requirements on workers, can shorten saddle mouth lofting time, and is favorable for improving the efficiency of site operation.
The round tube line drawing tool further comprises a first connecting piece 5 which is of a cuboid structure, and a first through hole and a second through hole which are perpendicular to each other in extension direction are formed in the first connecting piece 5; one end of the central rod 1 far away from the positioning piece 4 is inserted into the first through hole; one end of the cantilever rod 2 far away from the line drawing rod 3 is inserted into the second through hole. For example, a bearing may be mounted in the first through hole, and the central rod 1 is inserted in the inner race of the bearing so that the first connecting member 5 can rotate relative to the central rod 1. For example, the cantilever bar 2 and the second through hole may be threaded.
In this embodiment, the line drawing tool for the circular tube further comprises a second connecting piece 6 which is of a rectangular structure, and a third through hole and a fourth through hole which are perpendicular to each other in extension direction are formed in the second connecting piece 6; one end of the cantilever rod 2, which is far away from the central rod 1, is inserted into the third through hole, and the second connecting piece 6 can slide along the extending direction of the cantilever rod 2; for example, the cantilever rod 2 and the third through hole can be connected by screw threads, and the distance between the line drawing rod 3 and the central rod 1 can be adjusted by rotating the second connecting piece 6. For another example, a groove may be disposed on a wall of the third through hole, and a protrusion may be disposed on an outer wall of the cantilever bar 2, and the groove and the protrusion may be slidably connected, so that the second connecting member 6 may slide along the cantilever bar 2.
The connecting part of the line drawing rod 3 is inserted into the fourth through hole, and the second connecting part 6 can slide along the extending direction of the line drawing rod 3. For example, a groove may be formed in the wall of the fourth through hole, a protrusion may be formed on the outer wall of the line drawing rod 3, and the groove and the protrusion may be slidably connected to allow the line drawing rod 3 to slide up and down to adjust the distance between the line drawing rod and the circular tube.
Fig. 2 is a top view of a positioning member in the circular tube line drawing tool in the embodiment of the present invention, as shown in fig. 2, in the embodiment, the positioning member 4 includes two arc plates that are perpendicular to each other, for example, the arc plates may be semicircular plates, the two arc plates may be welded one on top of the other, and the arc plate located above may be welded to the central rod 1. The concave surface of each arc-shaped plate is back to the central rod 1, and the radian of each concave surface is consistent with that of the pipe wall of the circular pipe. So set up, utilize arc edge as location contact 8 to make setting element 4 fix a position more stably with pipe contact back.
The positioning member 4 may also be a rectangular parallelepiped structure, and four side surfaces of the positioning member 4 are all provided with semicircular grooves, which may penetrate through the positioning member 4 to form four positioning contact points 8 at the bottom of the positioning member 4.
In this embodiment, the action part of the line marking rod 3 comprises a pen core 7, the pen core 7 is detachably arranged on the line marking rod 3, and the pen core 7 can be in threaded connection with the bottom of the line marking rod 3.
In conclusion, the round tube line drawing tool provided by the utility model is suitable for the line drawing work requirements of saddle mouths in the processes of cross welding of pipelines, drilling and welding of round connecting pipes by cylindrical equipment and welding of cross saddle-shaped interfaces of various pressure-bearing equipment.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the utility model.
Claims (5)
1. A line drawing tool for a round tube, comprising:
a center pole;
the positioning piece is arranged at one end of the central rod and is suitable for fixing the central rod on the pipe wall of the circular pipe;
one end of the cantilever rod is connected with the central rod, and the cantilever rod is vertically arranged at the position where the cantilever rod is connected with the central rod;
draw the line pole, the linkage part of setting-out pole with the cantilever bar links to each other, draw the line pole and can follow the extending direction of cantilever bar slides, draw the line pole with well core rod parallel arrangement each other, the action portion of drawing the line pole is suitable for the setting-out on the pipe wall of pipe.
2. A round tube line striping tool in accordance with claim 1,
the connecting structure further comprises a first connecting piece which is of a cuboid structure, and a first through hole and a second through hole which are perpendicular to each other in extension direction are formed in the first connecting piece;
one end of the central rod, which is far away from the positioning piece, is inserted into the first through hole;
one end of the cantilever rod, which is far away from the line drawing rod, is inserted into the second through hole.
3. A round tube line striping tool in accordance with claim 1,
the second connecting piece is of a cuboid structure, and is provided with a third through hole and a fourth through hole, wherein the extension directions of the third through hole and the fourth through hole are mutually vertical;
one end of the cantilever rod, which is far away from the central rod, is inserted into the third through hole, and the second connecting piece can slide along the extending direction of the cantilever rod;
the connecting part of the line drawing rod is inserted into the fourth through hole, and the second connecting piece can slide along the extending direction of the line drawing rod.
4. A round tube line striping tool in accordance with claim 1,
the setting element includes the arc of two mutually perpendicular settings, every the depressed face of arc all faces away from well core rod sets up, every the radian of depressed face keeps unanimous with the radian of pipe wall.
5. A round tube line striping tool in accordance with claim 1,
the action part of the line drawing rod comprises a pen core, and the pen core is detachably arranged on the line drawing rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122004572.5U CN215701644U (en) | 2021-08-24 | 2021-08-24 | Line drawing tool for round pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122004572.5U CN215701644U (en) | 2021-08-24 | 2021-08-24 | Line drawing tool for round pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215701644U true CN215701644U (en) | 2022-02-01 |
Family
ID=80006554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122004572.5U Active CN215701644U (en) | 2021-08-24 | 2021-08-24 | Line drawing tool for round pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215701644U (en) |
-
2021
- 2021-08-24 CN CN202122004572.5U patent/CN215701644U/en active Active
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