CN210939230U - Pipeline welding marking device - Google Patents
Pipeline welding marking device Download PDFInfo
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- CN210939230U CN210939230U CN201921097224.3U CN201921097224U CN210939230U CN 210939230 U CN210939230 U CN 210939230U CN 201921097224 U CN201921097224 U CN 201921097224U CN 210939230 U CN210939230 U CN 210939230U
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- pipe
- rod
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- pipeline
- plate
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Abstract
The utility model discloses a pipeline welding and scribing device, which comprises a bracket, a clamping mechanism and a scribing part; the bracket comprises a longitudinal plate and a transverse plate; the clamping mechanism comprises a first extrusion pipe, a second extrusion pipe, a supporting plate, a supporting rod, a screw rod and a guide rod; the first extrusion pipe is connected with the lower end of the support plate; the upper part of the screw rod is in threaded connection with the transverse plate, and the lower end of the screw rod is in rotary connection with the supporting plate through a bearing; the second extrusion pipe is sleeved on the support rod; the guide rod penetrates through the right end of the supporting plate, the upper end of the guide rod is connected with the transverse plate, and the lower end of the guide rod is connected with the supporting body; the marking part comprises a threaded rod, an extension tube, a sleeve and a marking pen; the right end of the extension pipe is connected with a spring. Through two extrusion pipes the utility model discloses press from both sides on pipeline a, two extrusion pipes are tangent with pipeline a's lateral wall, rotate like this the utility model discloses for marking off pen removes along pipeline a inside wall circumference, and under spring and pipeline b's lateral wall effect, forms the mar on pipeline b lateral wall, polishes the required breach of pipe wall formation in the mar.
Description
Technical Field
The utility model belongs to the pipeline welding field, concretely relates to pipeline welding marking device.
Background
In the existing pipeline welding, one end of a pipeline a is vertically welded on the side wall of a pipeline b, a pipeline welding worker grinds a notch on the end of the pipeline a and the side wall of the pipeline b, but the size and the shape of the notch are determined by grinding the end of the pipeline a and the side wall of the pipeline b close to each other for many times, which is very troublesome. Therefore the utility model discloses a solve the problem of the breach size and the shape of pipeline b lateral wall.
Disclosure of Invention
The utility model discloses the technical problem that will solve is: to the not enough that prior art exists, provide a marking device who draws out breach shape on pipeline b lateral wall, make things convenient for the breach once only to polish out, the welding of being convenient for.
In order to realize the purpose of the utility model, the following technical scheme is adopted to realize:
a pipeline welding marking device comprises a bracket, a clamping mechanism arranged on the bracket and a marking part connected with the bracket;
the bracket comprises a longitudinal plate and a transverse plate connected with the upper end of the left side wall of the longitudinal plate;
the clamping mechanism comprises a first extrusion pipe for clamping a pipeline, a second extrusion pipe which is matched with the first extrusion pipe to clamp the pipeline and is positioned below the first extrusion pipe, a supporting plate for supporting the first extrusion pipe, a supporting rod for supporting the second extrusion pipe, a screw rod for driving the supporting plate and the upper end and the lower end of the first extrusion pipe, and a guide rod for guiding the supporting plate; the first extrusion pipe is connected with the lower end of the support plate; the upper part of the screw rod is in threaded connection with the transverse plate, the lower end of the screw rod is in rotary connection with the supporting plate through a bearing, and the upper end of the screw rod is connected with a twisting handle; the second extrusion pipe is sleeved on the support rod; the lower end of the left side wall of the longitudinal plate is connected with a supporting head, and the left end of the supporting head is connected with the right end of the supporting rod; the guide rod penetrates through the right end of the supporting plate, the upper end of the guide rod is connected with the transverse plate, and the lower end of the guide rod is connected with the supporting body; the supporting plate moves up and down along the guide rod;
the marking part comprises a threaded rod, an extension pipe, a tubular sleeve and a marking pen, wherein the left end of the threaded rod is connected with the lower end of the right side wall of the longitudinal plate, the extension pipe is connected with the right part of the threaded rod, and the marking pen is connected with the right end of the sleeve; the right end of the extension pipe is connected with a spring; the left end of the sleeve is open, and the right end of the sleeve is connected with an end cover; one part of the left part of the sleeve is sleeved at the right end of the extension pipe, and the spring is positioned in the sleeve; the left end of the spring is connected with the extension pipe, and the right end of the spring is connected with the left end of the end cover; the right end of the end cover is connected with an installation pipe with an opening at the right end, and the marking pen is installed in the installation pipe;
the lower edge of the right end of the marking pen and the upper end of the side wall of the second extrusion tube are in the same plane.
The beneficial effect of above-mentioned setting: inserting the second extrusion pipe into the pipeline a, the first extrusion pipe is outside the pipeline a, the end of the pipeline a is abutted against the guide rod, twisting the twisting handle to clamp the pipe wall of the pipeline a by the two extrusion pipes, moving the proper position of the pipeline a to make the central shaft of the pipeline a and the central shaft of the pipeline b be approximately in the same plane, making the marking pen contact with the outer side wall of the pipeline b (and the spring is in a compressed state to ensure that the marking pen can mark a complete nick), rotating the utility model along the circumferential direction of the pipeline a (at least making the second extrusion pipe rotate a circle along the inner wall of the pipeline a, and simultaneously ensuring that the outer side walls of the two extrusion pipes are tangent to the pipe wall of the pipeline a), making the marking pen mark the outer side wall of the pipeline b, and finally cutting the pipe wall in the nick by a cutting machine, thus forming the required nick, facilitating welding, the size and the shape of the notch on the pipeline b need to be tested continuously, so that the time and the labor are saved, and the pipeline welding operation speed is accelerated to a certain extent.
The lower end of the supporting plate is provided with two connecting plates at intervals, and the adjacent ends of the two connecting plates are respectively connected with a connector; one end of the first extrusion pipe is sleeved on one connecting head, and the first extrusion pipe and the connecting head are connected in a rotating mode.
The beneficial effect of above-mentioned setting: the rolling friction is minimum, can make the frictional resistance of first extrusion pipe and pipeline a lateral wall minimum like this, reaches laborsaving purpose, makes the utility model discloses move along pipeline a circumference easily.
The second extrusion pipe is rotatably connected with the support rod; an accommodating cavity with a leftward opening is formed in the left part of the supporting rod, and internal threads are formed on the side wall of the accommodating cavity; the left end of the supporting rod is connected with a limiting cap, and the right end of the limiting cap is connected with a plug-in connector; and the side wall of the plug connector is formed with an external thread matched with the internal thread of the side wall of the accommodating cavity.
The beneficial effect of above-mentioned setting: roll frictional force minimum, the second is extruded and is managed and the bracing piece rotates and be connected, can be so that the frictional resistance of first extrusion pipe and pipeline a lateral wall is minimum, reaches laborsaving purpose, makes the utility model discloses move along pipeline a circumference easily. And the limiting cap is in threaded connection with the supporting rod through the plug-in connector, so that the second extrusion pipe is convenient to mount and dismount.
Still be connected with the spacing ring on the top screw rod of backup pad, the spacing ring lower extreme is contradicted with the backup pad and is connected.
The beneficial effect of above-mentioned setting: because screw rod lower extreme and backup pad are connected through the bearing, twist when moving to twist and move the handle and make two extrusion pipes be close to, if the backup pad receives the axial power of screw rod too big (the clamp force between two extrusion pipes is too big promptly), the screw rod is easy to axial displacement in the bearing for screw rod and backup pad separation, and after having set up the spacing ring now, the screw rod just can not remove in the bearing along the axial, has just stopped the condition that screw rod and backup pad separated just.
The threaded rod is connected with the extension pipe through threads, an external thread is formed on the outer side wall of the threaded rod, and an internal thread matched with the external thread of the threaded rod is formed on the inner wall of the extension pipe.
The beneficial effect of above-mentioned setting: extension pipe and threaded rod threaded connection can increase the line portion of drawing like this, if pipeline a and pipeline b diameter are very big, the line portion of drawing that also can like this can draw the vestige on pipeline b, ensures the utility model discloses can accomplish the task.
The right end of the upper end of the transverse plate is connected with a handle.
The beneficial effect of above-mentioned setting: the handle is convenient to hold and makes the utility model discloses easy along pipeline a circumference removal.
The lower end of the supporting head is connected with a touch plate.
The beneficial effect of above-mentioned setting: the touch panel is contradicted with pipeline a tip, makes two extrusion pipes tangent with pipeline a lateral wall like this easily, ensures the utility model discloses mar meet the requirements on pipeline b.
Compared with the prior art, the utility model discloses a main beneficial effect is: through two extrusion pipes handle the utility model discloses press from both sides on pipeline a, its two extrusion pipes are tangent with pipeline an's lateral wall, rotate like this the utility model discloses, make second extrusion pipe along pipeline a circumference removal, marking pen moves along pipeline a circumference on the one hand, on the one hand under spring and pipeline b's lateral wall effect, the removal orbit of marking pen right-hand member is the same with pipeline an and pipeline b criss-cross shape like this, marking pen just so forms the mar on pipeline b lateral wall the removal orbit, the inboard pipeline wall of mar has just been polished off to such polishing, required breach has just so been polished out, be convenient for weld, need not be to traditional welding again, need constantly try out the size and the shape of breach on the pipeline b, time and manpower are saved, pipeline welding operation speed has been accelerated to a certain extent.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a cross-sectional view of the present invention.
Fig. 3 is a schematic structural view of the bracket and the clamping mechanism of the present invention (extruded tube is not shown).
Fig. 4 is a schematic structural view of the first extruded tube of the present invention.
Fig. 5 is a schematic structural view of a second extruded tube of the present invention.
Fig. 6 is a schematic structural view of the limiting cap of the present invention.
Fig. 7 is a schematic structural view of the extension pipe of the present invention.
Fig. 8 is a schematic diagram of the casing and the marker of the present invention.
Fig. 9 is a schematic view of the use of the present invention.
Fig. 10 is a schematic view of the scratch of the pipe b of the present invention.
Reference numerals: 1. a support; 11. a longitudinal plate; 111. a support head; 12. a transverse plate; 121. a handle; 2. a clamping mechanism; 21. a first extruded tube; 22. a second extruded tube; 23. a support plate; 231. a connecting plate; 232. a connector; 24. a support bar; 241. a limiting cap; 2411. a plug-in connector; 25. a screw; 251. screwing a handle; 252. a limiting ring; 26. a guide bar; 3. scribing part; 31. a threaded rod; 32. an extension tube; 321. a spring; 33. a sleeve; 331. installing a pipe; 34. a marking pen; 4. a touch plate; 5. a pipeline a; 6. a pipe b; 61. and (4) scratching.
Detailed Description
A detailed description of the present invention will be given below with reference to fig. 1 to 10.
The embodiment is a pipeline welding and marking device, which comprises a bracket 1, a clamping mechanism 2 arranged on the bracket 1, and a marking part 3 connected with the bracket 1; the bracket 1 comprises a vertical plate 11 and a transverse plate 12 which is integrally formed with the upper end of the left side wall of the vertical plate 11.
The clamping mechanism 2 comprises a first extrusion pipe 21 for clamping a pipeline, a second extrusion pipe 22 which is matched with the first extrusion pipe 21 to clamp the pipeline and is positioned below the first extrusion pipe 21, a supporting plate 23 for supporting the first extrusion pipe 21, a supporting rod 24 for supporting the second extrusion pipe 22, a screw rod 25 for driving the supporting plate 23 and the upper end and the lower end of the first extrusion pipe 21, and a guide rod 26 for guiding the supporting plate 23. The first extruded tube 21 is connected to the lower end of a support plate 23. The upper portion of the screw rod 25 is in threaded connection with the transverse plate 12, external threads are formed in the middle portion and the outer side wall of the upper portion of the screw rod 25, a threaded hole connected with the screw rod 25 is formed in the transverse plate 12, the lower end of the screw rod 25 is rotatably connected with the supporting plate 23 through a bearing, and a screwing handle 251 is fixed at the upper end of the screw rod 25. The second extrusion pipe 22 is sleeved on the support rod 24; the lower end of the left side wall of the vertical plate 11 is fixedly connected with a support head 111, and the left end of the support head 111 is fixedly welded with the right end of the support rod 24; the guide rod 26 penetrates through the right end of the support plate 23, a through hole through which the guide rod 26 penetrates is formed in the support plate 23, the upper end of the guide rod 26 is fixedly connected with the transverse plate 12, and the lower end of the guide rod 26 is fixedly connected with the support body; so that the support plate 23 can only move up and down along the guide bar 26.
The scribing part 3 comprises a threaded rod 31, an extension pipe 32, a tubular sleeve 33 and a scribing pen 34, wherein the left end of the threaded rod 31 is fixedly connected with the lower end of the right side wall of the longitudinal plate 11, the extension pipe 32 is connected with the right part of the threaded rod 31, and the scribing pen 34 is connected with the right end of the sleeve 33; the right end of the extension pipe 32 is fixedly connected with a spring 321; the sleeve 33 is provided with an opening at the left end and an end cover integrally formed at the right end; a part of the left part of the sleeve 33 is sleeved at the right end of the extension pipe 32, so that the sleeve can only axially move on the extension pipe, the lower edge of the right end of the marking pen 34 and the upper end of the side wall of the second extrusion pipe 22 can be always in the same plane, and the spring 321 is positioned in the sleeve 33; the left end of the spring 321 is connected with the extension pipe 32, and the right end of the spring is fixedly connected with the left end of the end cover; the right end of the end cover is integrally formed with a mounting tube 331 with an opening at the right end, and the marking pen 34 is mounted in the mounting tube 331; the marking pen 34 may be a conventional, inexpensive chalk or graphite rod that is inserted into the mounting tube 331.
The lower edge of the right end of the marking pen 34 is in the same plane with the upper end of the side wall of the second extrusion tube 22, so that the marking pen 34 is ensured to move along the circumferential direction of the inner side wall of the pipeline a5, and the mark 61 of the marking pen 34 on the pipeline b6 is matched with the outer ring of the cross shape of the two pipelines.
The lower end of the support plate 23 is fixedly connected with two connecting plates 231 at intervals, and the adjacent ends of the two connecting plates 231 are respectively fixedly connected with a connector 232; one end of the first extrusion pipe 21 is sleeved on one connector 232, and the first extrusion pipe 21 is rotatably connected with the connector 232.
The second extrusion pipe 22 is rotatably connected with a support rod 24; an accommodating cavity with an opening facing left is formed in the left part of the supporting rod 24, and internal threads are formed on the side wall of the accommodating cavity; the left end of the support rod 24 is connected with a limit cap 241, and the right end of the limit cap 241 is connected with a plug 2411; the side wall of the plug 2411 is formed with an external thread matched with the internal thread of the side wall of the accommodating cavity.
A limit ring 252 is fixedly connected to the upper screw 25 of the support plate 23, and the lower end of the limit ring 252 is abutted against the support plate 23.
The threaded rod 31 is in threaded connection with the extension pipe 32, an external thread is formed on the outer side wall of the threaded rod 31, and an internal thread matched with the external thread of the threaded rod 31 is formed on the inner wall of the extension pipe 32.
The right end of the upper end of the transverse plate 12 is fixedly connected with a handle 121.
The lower end of the support head 111 is fixedly connected with the touch plate 4.
Except the marking pen 34, the utility model discloses other parts can all adopt stainless steel or aluminum alloy to make, and above-mentioned all fixed connection's connected mode can all adopt spot welding to come fixed connection.
As shown in fig. 9, the utility model is clipped on the pipeline a5, the utility model discloses, so the marking pen just marks out the mar 61 as shown in fig. 10 on pipeline b6, and the pipe wall in the mar is polished off through the handheld cutting, has just formed required breach on pipeline b.
The above is only the preferred embodiment of the present invention, and is not intended to limit the present invention, and the skilled in the art can carry out the common changes and replacements within the technical solution of the present invention.
Claims (7)
1. A pipeline welding marking device which characterized in that: comprises a bracket, a clamping mechanism arranged on the bracket and a marking part connected with the bracket;
the bracket comprises a longitudinal plate and a transverse plate connected with the upper end of the left side wall of the longitudinal plate;
the clamping mechanism comprises a first extrusion pipe for clamping a pipeline, a second extrusion pipe which is matched with the first extrusion pipe to clamp the pipeline and is positioned below the first extrusion pipe, a supporting plate for supporting the first extrusion pipe, a supporting rod for supporting the second extrusion pipe, a screw rod for driving the supporting plate and the upper end and the lower end of the first extrusion pipe, and a guide rod for guiding the supporting plate; the first extrusion pipe is connected with the lower end of the support plate; the upper part of the screw rod is in threaded connection with the transverse plate, the lower end of the screw rod is in rotary connection with the supporting plate through a bearing, and the upper end of the screw rod is connected with a twisting handle; the second extrusion pipe is sleeved on the support rod; the lower end of the left side wall of the longitudinal plate is connected with a supporting head, and the left end of the supporting head is connected with the right end of the supporting rod; the guide rod penetrates through the right end of the supporting plate, the upper end of the guide rod is connected with the transverse plate, and the lower end of the guide rod is connected with the supporting body; the supporting plate moves up and down along the guide rod;
the marking part comprises a threaded rod, an extension pipe, a tubular sleeve and a marking pen, wherein the left end of the threaded rod is connected with the lower end of the right side wall of the longitudinal plate, the extension pipe is connected with the right part of the threaded rod, and the marking pen is connected with the right end of the sleeve; the right end of the extension pipe is connected with a spring; the left end of the sleeve is open, and the right end of the sleeve is connected with an end cover; one part of the left part of the sleeve is sleeved at the right end of the extension pipe, and the spring is positioned in the sleeve; the left end of the spring is connected with the extension pipe, and the right end of the spring is connected with the left end of the end cover; the right end of the end cover is connected with an installation pipe with an opening at the right end, and the marking pen is installed in the installation pipe;
the lower edge of the right end of the marking pen and the upper end of the side wall of the second extrusion tube are in the same plane.
2. The pipe welding line marking device according to claim 1, wherein: the lower end of the supporting plate is provided with two connecting plates at intervals, and the adjacent ends of the two connecting plates are respectively connected with a connector; one end of the first extrusion pipe is sleeved on one connecting head, and the first extrusion pipe and the connecting head are connected in a rotating mode.
3. The pipe welding line marking device according to claim 1, wherein: the second extrusion pipe is rotatably connected with the support rod; an accommodating cavity with a leftward opening is formed in the left part of the supporting rod, and internal threads are formed on the side wall of the accommodating cavity; the left end of the supporting rod is connected with a limiting cap, and the right end of the limiting cap is connected with a plug-in connector; and the side wall of the plug connector is formed with an external thread matched with the internal thread.
4. The pipe welding line marking device according to claim 1, wherein: still be connected with the spacing ring on the top screw rod of backup pad, the spacing ring lower extreme is contradicted with the backup pad and is connected.
5. The pipe welding line marking device according to claim 1, wherein: the threaded rod is connected with the extension pipe through threads, an external thread is formed on the outer side wall of the threaded rod, and an internal thread matched with the external thread of the threaded rod is formed on the inner wall of the extension pipe.
6. The pipe welding line marking device according to claim 1, wherein: the right end of the upper end of the transverse plate is connected with a handle.
7. The pipe welding line marking device according to claim 1, wherein: the lower end of the supporting head is connected with a touch plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921097224.3U CN210939230U (en) | 2019-07-14 | 2019-07-14 | Pipeline welding marking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921097224.3U CN210939230U (en) | 2019-07-14 | 2019-07-14 | Pipeline welding marking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210939230U true CN210939230U (en) | 2020-07-07 |
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ID=71369602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921097224.3U Expired - Fee Related CN210939230U (en) | 2019-07-14 | 2019-07-14 | Pipeline welding marking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210939230U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112238436A (en) * | 2020-10-30 | 2021-01-19 | 苏州港华燃气有限公司 | Swift convenient pipe fitting surface gridline marking device |
| CN114505837A (en) * | 2021-12-01 | 2022-05-17 | 上海江南长兴造船有限责任公司 | Scribing method for side opening on ship outer plate |
-
2019
- 2019-07-14 CN CN201921097224.3U patent/CN210939230U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112238436A (en) * | 2020-10-30 | 2021-01-19 | 苏州港华燃气有限公司 | Swift convenient pipe fitting surface gridline marking device |
| CN114505837A (en) * | 2021-12-01 | 2022-05-17 | 上海江南长兴造船有限责任公司 | Scribing method for side opening on ship outer plate |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200707 Termination date: 20210714 |