CN220233480U - Steel pipe welding grounding device - Google Patents
Steel pipe welding grounding device Download PDFInfo
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- CN220233480U CN220233480U CN202321785574.5U CN202321785574U CN220233480U CN 220233480 U CN220233480 U CN 220233480U CN 202321785574 U CN202321785574 U CN 202321785574U CN 220233480 U CN220233480 U CN 220233480U
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- welded
- rotating
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 66
- 239000010959 steel Substances 0.000 title claims abstract description 66
- 238000003466 welding Methods 0.000 title claims abstract description 36
- 230000006835 compression Effects 0.000 claims description 12
- 238000007906 compression Methods 0.000 claims description 12
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 7
- 229910052802 copper Inorganic materials 0.000 claims description 7
- 239000010949 copper Substances 0.000 claims description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 229910002804 graphite Inorganic materials 0.000 claims description 3
- 239000010439 graphite Substances 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 abstract description 7
- 230000007774 longterm Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 8
- 230000007547 defect Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000474 nursing effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The utility model relates to the technical field of grounding devices, in particular to a steel pipe welding grounding device which comprises a conductive movable frame, a fixed frame, a grounding wire, an elastic piece and a conductive rotating piece; the movable frame is movably connected to the fixed frame; the rotating piece is rotationally connected to the movable frame, and the grounding wire is used for connecting the movable frame with an external welding machine; the elastic piece is connected with the fixed frame and the movable frame; because the rotating piece is arranged, the rotating piece and the outer side wall of the steel pipe to be welded can generate relative rotation movement, namely, when the steel pipe to be welded rotates, the rotating piece can rotate along with the steel pipe to be welded, so that the heating phenomenon caused by single-sided long-term contact in the prior art is avoided; meanwhile, the elastic piece is connected between the movable frame and the fixed frame, and the elastic piece can generate elastic force, so that the movable frame generates pressure towards the steel pipe to be welded, and the outer edge of the rotating piece can be always abutted against the outer side wall of the steel pipe to be welded, thereby preventing spark.
Description
Technical Field
The utility model relates to the technical field of grounding devices, in particular to a steel pipe welding grounding device.
Background
The traditional welding grounding device uses a main cable, and two ends of the cable are respectively fixed on a welding steel pipe fitting and a ground wire by using clamps; in the welding process, the welding steel pipe fitting continuously rotates in one direction, so that the cable line is twisted in the same direction, the twisting-off condition is caused frequently, the quality of the welded steel pipe is affected, and a large amount of cable line waste is caused.
Therefore, chinese patent CN201483176U discloses a welded pipe turntable grounding bracket, which comprises a conductive grinding block, a balance bar, a grounding wire, a vertical rod and a base, wherein the conductive grinding block is fixed at one end of the balance bar, one end of the conductive grinding block is in close contact with a steel pipe fitting, the other end of the conductive grinding block is connected with the grounding wire, the grounding wire is installed in the balance bar in a penetrating way, and the other end of the grounding wire is grounded to lead out the current on the steel pipe fitting; it still has the following drawbacks: one surface of the conductive grinding block contacts the outer wall of the steel pipe for a long time, spark is easily wiped out in the conductive process, the conductive grinding block can generate serious heating phenomenon under the action of high welding current, even deformation can be generated in serious conditions, and the surface of the steel pipe is damaged.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model aims to provide a steel pipe welding grounding device, which solves the technical problems that one surface of a conductive grinding block is contacted with the outer wall of a steel pipe for a long time in the prior art, spark is easy to wipe out in the conductive process, the conductive grinding block can generate serious heating phenomenon under the action of high welding current, even deformation can be generated in serious condition, and the surface of the steel pipe is easy to damage.
In order to solve the technical problems, the utility model provides a steel pipe welding grounding device, which comprises a conductive movable frame, a fixed frame, at least one grounding wire, an elastic piece and at least one conductive rotating piece;
the movable frame is movably connected to the fixed frame; the rotating piece is rotationally connected to the movable frame;
one end of the grounding wire is connected to the movable frame, and the other end of the grounding wire is electrically connected with an external welding machine;
the elastic piece is connected with the fixed frame and the movable frame and is used for enabling the outer edge of the rotating piece on the movable frame to be always attached to the outer side wall of the steel pipe to be welded.
After the structure is adopted, the steel pipe welding grounding device has the following advantages: because the rotating piece is arranged, the rotating piece and the outer side wall of the steel pipe to be welded can generate relative rotation movement, namely, when the steel pipe to be welded rotates, the rotating piece can rotate along with the steel pipe to be welded, so that the heating phenomenon caused by single-sided long-term contact in the prior art is avoided; meanwhile, the elastic piece is connected between the movable frame and the fixed frame, and the elastic piece can generate elastic force, so that the movable frame generates pressure towards the steel pipe to be welded, and the outer edge of the rotating piece can be always abutted against the outer side wall of the steel pipe to be welded, thereby preventing spark.
Preferably, the movable frame comprises a supporting platform, two supporting ear plates, a conductive movable plate and a rotating shaft;
the supporting platform is placed on the fixing frame;
the two support ear plates are placed perpendicular to the support platform and fixedly connected to the upper surface of the support platform;
the conductive movable plate is provided with a through hole for the interference fit of the rotary shaft, the rotating piece is rotationally connected to the conductive movable plate, and one end of the grounding wire is detachably connected to the conductive movable plate;
one end of the rotary shaft is rotationally connected with one of the supporting lug plates, and the other end of the rotary shaft is rotationally connected with the other supporting lug plate. Through the arrangement of the rotary shaft and the supporting lug plate, the conductive movable plate can swing at a certain angle, and the outer side wall of the steel pipe to be welded can be automatically fitted and attached through the structure when irregular welding seams are met, so that the conductive stability is ensured.
Preferably, the rotating member comprises a conductive rotating shaft, a conductive bearing and a conductive wheel, the conductive rotating shaft is rotationally connected to the movable frame, the axis of the conductive rotating shaft is parallel to the axis of the steel pipe to be welded, the inner ring of the conductive bearing is in interference fit connection with the conductive rotating shaft, the outer ring of the conductive bearing is in interference fit connection with the conductive wheel, and the outer side wall of the conductive wheel is propped against and connected to the outer side wall of the steel pipe to be welded. Through setting up of electrically conductive pivot, conductive bearing and conductive wheel for the lateral wall of waiting to weld the steel pipe and the lateral wall looks butt of conductive wheel, when waiting to weld the steel pipe roll, the conductive wheel also can roll thereupon, and this mode has increased the area of contact of waiting to weld steel pipe lateral wall and earthing device, has improved electrically conductive stationarity.
Preferably, the conductive bearing is a graphite impregnated copper bearing. The graphite-inlaid copper bearing has good bearing capacity, has self-lubricating property, has long service life and can ensure conductive stability.
Preferably, the device further comprises a plurality of guide posts and guide pipes, wherein each guide post is vertically arranged on the movable frame and positioned between the movable frame and the fixed frame, each guide pipe is vertically arranged on the fixed frame, and a cavity for the guide post to extend in is formed in each guide pipe. The setting like this, guide post and stand pipe's setting can prevent that the movable frame from taking place the condition that drops because of the clamp force effect of elastic component, and after the rotating member breaks away from the lateral wall of waiting to weld the steel pipe, the movable frame can pop out towards the direction of keeping away from the mount, and the setting of guide post and stand pipe can restrict the drunkenness of the movable frame after popping out, prevents that the movable frame from dropping.
Preferably, the elastic piece is a compression spring, one end of the compression spring is fixedly connected to the fixed frame, and the other end of the compression spring abuts against the movable frame. The arrangement is that the stability of the compression spring is good, and each rebound can generate a return force, namely the compression force to the movable frame.
Preferably, the number of the rotating parts is four, two rotating parts are in a group, the two rotating parts are respectively and parallelly distributed on two sides of the movable frame, and at least one group of outer side walls of the rotating parts are propped against and connected to the outer side walls of the steel pipes to be welded. The arrangement ensures that at least two rotating parts are propped against and connected with the outer side wall of the steel pipe to be welded when in cross-domain welding by arranging the two groups of rotating parts, and ensures the conductive stability.
Drawings
FIG. 1 is a front view of a grounding device of the present utility model;
FIG. 2 is a side view of the grounding device of the present utility model;
fig. 3 is a front view of the information conductive movable plate of the present utility model.
Reference numerals: 1. a movable frame; 2. a fixing frame; 3. a ground wire; 4. an elastic member; 5. a rotating member; 6. a through hole; 7. a guide post; 8. a guide tube; 1.1, a supporting platform; 1.2, supporting the ear plate; 1.3, a conductive movable plate; 1.4, a rotating shaft; 5.1, a conductive rotating shaft; 5.2, a conductive bearing; and 5.3, a conductive wheel.
Detailed Description
The detachable nursing bed of the utility model is described in detail below with reference to the accompanying drawings.
Aiming at the defects of the prior art, the utility model aims to provide a steel pipe welding grounding device, which solves the technical problems that one surface of a conductive grinding block is contacted with the outer wall of a steel pipe for a long time in the prior art, spark is easy to wipe out in the conductive process, the conductive grinding block can generate serious heating phenomenon under the action of high welding current, even deformation can be generated in serious condition, and the surface of the steel pipe is easy to damage.
Referring to fig. 1 and 2, a steel pipe welding grounding device comprises a conductive movable frame 1, a fixed frame 2, at least one grounding wire 3, an elastic member 4 and at least one conductive rotating member 5;
the movable frame 1 is movably connected to the fixed frame 2; the rotating piece 5 is rotatably connected to the movable frame 1;
one end of the grounding wire 3 is connected to the movable frame 1, and the other end of the grounding wire 3 is electrically connected with an external welding machine;
the elastic piece 4 is connected with the fixed frame 2 and the movable frame 1 and is used for enabling the outer edge of the rotating piece 5 on the movable frame 1 to be always attached to the outer side wall of the steel pipe to be welded.
Specifically, as the rotating piece 5 is arranged, the rotating piece 5 and the outer side wall of the steel pipe to be welded can generate relative rotation movement, namely, when the steel pipe to be welded rotates, the rotating piece 5 can rotate along with the steel pipe to be welded, so that the heating phenomenon caused by single-sided long-term contact in the prior art is avoided; meanwhile, as the elastic piece 4 is connected between the movable frame 1 and the fixed frame 2, the elastic piece 4 can generate elastic force, so that the movable frame 1 generates pressure towards the steel pipe to be welded, and the outer edge of the rotating piece 5 can be always abutted against the outer side wall of the steel pipe to be welded, thereby preventing spark.
More specifically, the ground wire 3 may be detachably connected to the movable frame 1 by bolting, or may be detachably connected by other fasteners.
Referring to fig. 1, 2 and 3, in a preferred embodiment of the present utility model, the movable frame 1 includes a supporting platform 1.1, two supporting ear plates 1.2, a conductive movable plate 1.3 and a rotating shaft 1.4;
the supporting platform 1.1 is placed on the fixed frame 2;
the two support ear plates 1.2 are vertically arranged on the support platform 1.1 and fixedly connected to the upper surface of the support platform 1.1;
the conductive movable plate 1.3 is provided with a through hole 6 for interference fit of the rotary shaft 1.4, the rotary piece 5 is rotatably connected to the conductive movable plate 1.3, and one end of the grounding wire 3 is detachably connected to the conductive movable plate 1.3;
one end of the rotating shaft 1.4 is rotatably connected with one of the supporting ear plates 1.2, and the other end is rotatably connected with the other supporting ear plate 1.2.
Specifically, through the arrangement of the rotating shaft 1.4 and the supporting ear plate 1.2, the conductive movable plate 1.3 can swing at a certain angle, so that when irregular welding seams are encountered, the outer side wall of the steel pipe to be welded can be automatically fitted and tightly attached through the structure, and the conductive stability is ensured; the fixed connection mode of the support lug plate 1.2 and the support platform 1.1 is welding, press riveting or fixed connection through a fastener, and the preferred fixed connection mode of the support lug plate is welding.
Referring to fig. 1 and 2, in a preferred embodiment of the present utility model, the rotating member 5 includes a conductive rotating shaft 5.1, a conductive bearing 5.2 and a conductive wheel 5.3, the conductive rotating shaft 5.1 is rotatably connected to the movable frame 1, the axis of the conductive rotating shaft 5.1 is parallel to the axis of the steel pipe to be welded, the inner ring of the conductive bearing 5.2 is in interference fit connection with the conductive rotating shaft 5.1, the outer ring of the conductive bearing 5.2 is in interference fit connection with the conductive wheel 5.3, and the outer side wall of the conductive wheel 5.3 is in abutting connection with the outer side wall of the steel pipe to be welded.
Specifically, through setting up of electrically conductive pivot 5.1, conductive bearing 5.2 and electrically conductive wheel 5.3 for the lateral wall of waiting to weld the steel pipe and the lateral wall looks butt of electrically conductive wheel 5.3, when waiting to weld the steel pipe roll, electrically conductive wheel 5.3 also can roll thereupon, and this mode has increased the area of contact of waiting to weld steel pipe lateral wall and earthing device, has improved electrically conductive stationarity.
Preferably, the rotating member 5 further comprises a blocking plate provided at the free end of the conductive bearing 5.2 for preventing the conductive wheel from falling off after a long time use, the blocking plate being fixed to the movable frame 1 by means of bolting.
As shown in connection with fig. 1 and 2, to further optimize the above solution, the conductive bearing 5.2 is a graphite impregnated copper bearing.
Specifically, the graphite-inlaid copper bearing has good bearing capacity, has self-lubricating characteristic, has long service life and can ensure conductive stability.
Referring to fig. 1 and 2, in a preferred embodiment of the present utility model, the present utility model further includes a plurality of guide posts 7 and guide tubes 8, each guide post 7 is vertically disposed on the movable frame 1 and located between the movable frame 1 and the fixed frame 2, each guide tube 8 is vertically disposed on the fixed frame 2, and a cavity into which the guide post 7 extends is disposed on the guide tube 8.
Specifically, the setting of guide post 7 and stand pipe 8 can prevent that movable frame 1 from taking place the condition that drops because of the clamp force effect of elastic component 4, and after rotating piece 5 break away from the lateral wall of waiting to weld the steel pipe, movable frame 1 can pop out towards the direction of keeping away from mount 2, and the setting of guide post 7 and stand pipe 8 can restrict the drunkenness of movable frame 1 after popping out, prevents that movable frame 1 from dropping.
In the preferred embodiment of the present utility model, as shown in fig. 1 and 2, the elastic member 4 is a compression spring, one end of the compression spring is fixedly connected to the fixed frame 2, and the other end abuts against the movable frame 1.
Specifically, the stability of the compression spring is good, and each rebound can generate a return force, namely the compression force to the movable frame 1, wherein the fixed connection can be welded or fastened and connected through a fastener.
In the preferred embodiment of the present utility model, as shown in fig. 1 and 2, the number of the rotating members 5 is four, two rotating members 5 are one group, two groups of rotating members 5 are respectively and parallelly distributed on two sides of the movable frame 1, and the outer side wall of at least one group of rotating members 5 is abutted against and connected to the outer side wall of the steel pipe to be welded.
Specifically, when the cross-domain welding is ensured by arranging two groups of rotating pieces 5, at least two rotating pieces 5 are still in abutting connection with the outer side wall of the steel pipe to be welded, so that the conductive stability is ensured.
As shown in fig. 1 and 2, the application adopts the pressing of the swing arm type double-row 4-wheel (namely four rotating parts 5) pressing spring, the roller friction conductive mode of the graphite-inlaid copper bearing (namely the graphite-inlaid copper bearing) is used, all the defects (namely spark and overheat phenomena caused by single-sided friction) are overcome, the electric conduction is stable, the welding seam is met, the welding seam can be automatically fitted and tightly adhered, even if the welding is carried out in a cross-domain manner, 2 rotating parts 5 (namely the conductive wheels 5.3) are adhered tightly, sparks are not generated, meanwhile, the grounding wire 3 is fixedly connected onto the conductive movable plate 1.3, the knotting phenomenon is not generated, the length of a cable is reduced, and the heating is prevented.
The terms "first," "second," "third," "fourth" and the like in the description and in the claims of this application and in the above-described figures, if any, are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the present application described herein may be capable of operation in sequences other than those illustrated or described herein, for example. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solution of the present utility model, and not limiting thereof; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.
Claims (7)
1. The steel pipe welding grounding device is characterized by comprising a conductive movable frame (1), a fixed frame (2), at least one grounding wire (3), an elastic piece (4) and at least one conductive rotating piece (5);
the movable frame (1) is movably connected to the fixed frame (2); the rotating piece (5) is rotationally connected to the movable frame (1),
one end of the grounding wire (3) is connected to the movable frame (1), and the other end of the grounding wire (3) is electrically connected with an external welding machine;
the elastic piece (4) is connected with the fixed frame (2) and the movable frame (1) and is used for enabling the outer edge of the rotating piece (5) on the movable frame (1) to be attached to the outer side wall of the steel pipe to be welded all the time.
2. The steel pipe welding grounding device according to claim 1, characterized in that the movable frame (1) comprises a supporting platform (1.1), two supporting ear plates (1.2), a conductive movable plate (1.3) and a rotating shaft (1.4);
the supporting platform (1.1) is placed on the fixing frame (2);
the two support ear plates (1.2) are placed perpendicular to the support platform (1.1) and fixedly connected to the upper surface of the support platform (1.1);
the conductive movable plate (1.3) is provided with a through hole (6) for interference fit of the rotary shaft (1.4), the rotary piece (5) is rotatably connected to the conductive movable plate (1.3), and one end of the grounding wire (3) is detachably connected to the conductive movable plate (1.3);
one end of the rotary shaft (1.4) is rotationally connected with one of the supporting lug plates (1.2), and the other end of the rotary shaft is rotationally connected with the other supporting lug plate (1.2).
3. The steel pipe welding grounding device according to claim 1, characterized in that the rotating member (5) comprises a conductive rotating shaft (5.1), a conductive bearing (5.2) and a conductive wheel (5.3), the conductive rotating shaft (5.1) is rotatably connected to the movable frame (1), the axis of the conductive rotating shaft (5.1) is parallel to the axis of the steel pipe to be welded, the inner ring of the conductive bearing (5.2) is in interference fit connection with the conductive rotating shaft (5.1), the outer ring of the conductive bearing (5.2) is in interference fit connection with the conductive wheel (5.3), and the outer side wall of the conductive wheel (5.3) is in abutting connection with the outer side wall of the steel pipe to be welded.
4. A steel pipe welding grounding device according to claim 3, characterized in that the conductive bearing (5.2) is a graphite impregnated copper bearing.
5. The steel pipe welding grounding device according to claim 1, further comprising a plurality of guide posts (7) and guide pipes (8), wherein each guide post (7) is vertically arranged on the movable frame (1) and located between the movable frame (1) and the fixed frame (2), each guide pipe (8) is vertically arranged on the fixed frame (2), and a cavity for the guide post (7) to extend into is formed in each guide pipe (8).
6. The steel pipe welding grounding device according to claim 1, wherein the elastic piece (4) is a compression spring, one end of the compression spring is fixedly connected to the fixed frame (2), and the other end of the compression spring abuts against the movable frame (1).
7. The steel pipe welding grounding device according to claim 1, wherein the number of the rotating pieces (5) is four, two rotating pieces (5) are in one group, two groups of rotating pieces (5) are respectively distributed on two sides of the movable frame (1) in parallel, and the outer side wall of at least one group of rotating pieces (5) is in abutting connection with the outer side wall of the steel pipe to be welded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321785574.5U CN220233480U (en) | 2023-07-06 | 2023-07-06 | Steel pipe welding grounding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321785574.5U CN220233480U (en) | 2023-07-06 | 2023-07-06 | Steel pipe welding grounding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220233480U true CN220233480U (en) | 2023-12-22 |
Family
ID=89172794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321785574.5U Active CN220233480U (en) | 2023-07-06 | 2023-07-06 | Steel pipe welding grounding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220233480U (en) |
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2023
- 2023-07-06 CN CN202321785574.5U patent/CN220233480U/en active Active
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