CN211759120U - Grounding clamp connection device for pipeline - Google Patents
Grounding clamp connection device for pipeline Download PDFInfo
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- CN211759120U CN211759120U CN201921783554.8U CN201921783554U CN211759120U CN 211759120 U CN211759120 U CN 211759120U CN 201921783554 U CN201921783554 U CN 201921783554U CN 211759120 U CN211759120 U CN 211759120U
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Abstract
The utility model discloses a grounding clamp clamping device for pipelines, which comprises two brace rods hinged with each other, wherein one end of each brace rod is connected with an arc-shaped flat iron; the openings of the two arc-shaped flat irons are arranged correspondingly; the outer side of at least one arc-shaped flat iron is fixedly connected with a clamping flat iron; and one end of the arc-shaped flat iron, which is far away from the stay bar, is provided with a connecting part. The utility model discloses ground connection effect when can guarantee the pipeline welding.
Description
Technical Field
The utility model relates to a pipeline welded earthing device of mill, especially a ground connection pincers clamping device for pipeline.
Background
The water pipe network system is an infrastructure of industrial enterprises, and is used for conveying and circulating tap water, fire water, cooling (freezing) water, sewage and the like. In the actual production process, the pipeline is often required to be installed or modified, and welding is inevitably carried out on the pipeline. In the electric arc welding, a grounding loop is connected with a weldment through a grounding clamp, the other end of the grounding loop is connected with a welding holder, then a welding rod on the welding clamp generates strong electric arc due to short circuit when contacting with the weldment, an arc pit is burnt on the weldment, metal on the welding rod is flatly laid in the arc pit, and a welding seam is generated in the process of moving the arc pit. Due to the fact that the pipe diameters of a plurality of pipelines are large, and the opening degree of the grounding clamp of the electric welding machine is limited, the pipelines cannot be conveniently and stably clamped near a welding seam, and the quality and the efficiency of welding operation are affected. The bottom wire clamp can not be clamped at a position far away from a welding seam, because the electric conductivity of a welding piece is not as good as that of a cable, the clamping distance is long, the welding current is insufficient or unstable, even if the welding can be stably carried out, the welding current is larger than that required to be adjusted at the nearest position in an overlapping mode, the load of a welding machine is increased, and electric energy is wasted. In order to meet the welding requirements, a method often adopted by an electric welder is to weld a temporary angle iron on an official channel and clamp a ground wire on the angle iron, so that the operation is inconvenient and unsafe, and certain damage can be caused to the channel.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a ground connection pincers clamping device for pipeline to solve the technical problem among the prior art, ground connection effect when can guaranteeing the pipe welding.
The utility model provides a clamping device of grounding tongs for pipelines, which comprises two brace rods hinged with each other, wherein one end of each brace rod is connected with an arc-shaped flat iron;
the openings of the two arc-shaped flat irons are arranged correspondingly; the outer side of at least one arc-shaped flat iron is fixedly connected with a clamping flat iron;
one end of the arc-shaped flat iron, which is far away from the stay bar, is provided with a connecting part, and the two connecting parts are detachably connected.
The ground clamp connecting device for the pipeline as described above, optionally, further includes a plurality of conductive posts, the conductive posts are fixedly mounted inside the arc-shaped flat iron, and the plurality of conductive posts are uniformly arranged along the inner circumferential surface of the arc-shaped flat iron.
The ground clamp device for pipes as described above, wherein optionally, the conductive posts are copper posts or aluminum posts, and the number of the conductive posts on each of the arc-shaped flat irons is not less than 3.
The grounding clamp connecting device for the pipeline as described above, wherein optionally, a rotating pin is further included, and both of the support rods are rotatably connected with the rotating pin.
A ground clamp connection for a pipe as described above wherein, optionally, the conductive post is circular, rectangular or long kidney shaped in cross-section.
The grounding clamp clamping device for the pipeline as described above, optionally, further comprises a tightening spring, and two ends of the tightening spring are respectively connected with one end of each of the two support rods, which is far away from the corresponding arc-shaped flat iron.
The grounding clamp clamping device for the pipeline is characterized in that the two connecting parts are respectively provided with meshing teeth which can be meshed with each other; and the number of the meshing teeth on each connecting part is at least two.
The ground clamp apparatus for a pipe as described above, wherein optionally the connecting portion is hinged to an end of the arc-shaped band iron remote from the brace bar.
The grounding clamp clamping device for the pipeline is characterized in that a handle is arranged at one end, away from the arc-shaped flat iron, of the connecting part.
Compared with the prior art, the utility model has the advantages that through the two brace rods which are hinged with each other, one end of each brace rod is connected with an arc-shaped flat iron; the openings of the two arc-shaped flat irons are arranged correspondingly; the outer side of at least one arc-shaped flat iron is fixedly connected with a clamping flat iron; and one end of the arc-shaped flat iron, which is far away from the stay bar, is provided with a connecting part. Therefore, the clamping device can be stably connected with the pipeline, and the grounding performance of the pipeline is guaranteed.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Description of reference numerals: 1-stay bar, 2-arc flat iron, 3-clamping flat iron, 4-connecting part, 5-conductive column, 6-rotating pin, 7-tension spring, 8-meshing tooth and 9-handle.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention.
Referring to fig. 1, an embodiment of the present invention provides a grounding clamp clamping device for a pipeline, including two brace rods 1 hinged to each other, specifically, the middle of the brace rod 1 is hinged. One end of each support rod 1 is connected with an arc-shaped flat iron 2. The openings of the two arc-shaped flat irons 2 are arranged correspondingly; the outer side of at least one arc-shaped flat iron 2 is fixedly connected with a clamping flat iron 3. Here, the outer side of the arc-shaped flat iron 2 refers to the side of the arc-shaped flat iron 2 away from the opening, and in specific implementation, the clamping flat iron 3 is strip-shaped, and one end of the clamping flat iron is fixed on the arc-shaped flat iron 2. The arc-shaped flat iron 2 is used for connecting a grounding circuit.
One end of the arc-shaped flat iron 2, which is far away from the support rod 1, is provided with a connecting part 4, and the two connecting parts 4 are detachably connected. In particular, the two connection portions 4 are intended to be connected to each other in order to achieve a fastening of the grounding clamp on the outer circumference of the pipe. In specific implementation, the two connection portions 4 may be hook-and-loop fasteners, fasteners such as straps of a backpack, or quick connection plugs, or may be other components that can be connected and detached to each other.
During the specific use, two arc band irons 2 are opened, the ring is arranged on the pipeline, and the two arc band irons 2 can be fastened on the pipeline through the interconnection of the two connecting parts, so that the stable connection of the grounding clamp of the welding machine and the pipeline is convenient to realize during welding. Namely, the clamp-shaped metal clamping device is manufactured and tightly clamped on a pipeline, so that the clamp-shaped metal clamping device has good conductivity, and a stable grounding loop can be formed by connecting the grounding clamp of the welding machine on the device.
As a preferred embodiment, in order to ensure the electrical conductivity between the grounding clamp and the pipe of the welding machine, the welding machine further includes a plurality of conductive posts 5, the conductive posts 5 are fixedly installed inside the arc-shaped flat iron 2, and the plurality of conductive posts 5 are uniformly arranged along the inner circumferential surface of the arc-shaped flat iron 2. When the clamping device is fastened on the periphery of the pipeline in use, the conductive column 5 can be pressed to be connected with the pipeline, and the conductivity can be improved.
As a preferred embodiment, in order to ensure the conductivity of the conductive column 5, considering the conductivity and the cost, the conductive column 5 is a copper column or an aluminum column, and the number of the conductive columns 5 on each arc-shaped flat iron 2 is not less than 3.
In order to realize the hinge connection between the two stay bars 1, the device further comprises a rotating pin 6, and the two stay bars 1 are rotatably connected with the rotating pin 6.
In a preferred embodiment, the cross section of the conductive column 5 is circular, rectangular or long kidney-shaped. Thus, the production and the manufacture are convenient.
As a better implementation mode, the device further comprises a tightening spring 7, and two ends of the tightening spring 7 are respectively connected with one ends of the two support rods 1, which are far away from the corresponding arc-shaped flat iron 2.
As a preferred embodiment, two connecting parts 4 on the device are respectively provided with engaging teeth 8 which can be engaged with each other; and the number of the meshing teeth 8 on each connecting part 4 is at least two. The plurality of meshing teeth 8 can be arranged to enable the meshing teeth 8 on one connecting portion 4 to be clamped with the grooves between two adjacent meshing teeth 8 on the other connecting portion, and therefore pipelines with different diameters can be adapted to through adjustment of meshing positions. Of course, in specific implementation, the connection portion 4 may be connected by a hook and loop fastener, a buckle, a hook and loop fastener, or the like.
In a preferred embodiment, the connecting portion 4 is hinged to an end of the arc-shaped flat iron 2 away from the supporting rod 1. Therefore, the connecting parts 4 on the two arc-shaped flat irons 2 are convenient to connect.
In a preferred embodiment, a handle 9 is arranged at one end of the connecting part 4 far away from the arc-shaped flat iron 2. The handle 9 is arranged, so that when the two connecting parts 4 are connected, a holding part is provided, and force application is facilitated.
The utility model discloses for the function that ground clamp provided the joint position when can realizing various pipe diameter pipeline welding. The handle 9 is added to exert the force, so that the device can be operated by one person during use, and is convenient and quick. According to the size of the pipe diameter of the pipeline, a welder embraces the pipeline to be welded by two arc-shaped flat irons 2, and a plurality of conductive columns 5 tightly prop against the outer wall of the pipeline, so that the device can be fully contacted with the pipeline, the work grounding loop of the electric welding machine is ensured to be smooth, and the tail end bracing spring 7 and a plurality of meshing teeth 8 are fixed, so that the grounding clamp can be conveniently clamped on the clamping flat iron 3. The device has light in weight, removes characteristics convenient, simple structure, ground connection are good, can be in different pipe diameters, different welding position nimble removal, improve pipeline welded efficiency and quality.
The structure, features and effects of the present invention have been described in detail above according to the embodiment shown in the drawings, and the above description is only the preferred embodiment of the present invention, but the present invention is not limited to the implementation scope shown in the drawings, and all changes made according to the idea of the present invention or equivalent embodiments modified to the same changes should be considered within the protection scope of the present invention when not exceeding the spirit covered by the description and drawings.
Claims (9)
1. A ground clamp splice device for a pipe, comprising: the device comprises two brace rods (1) which are hinged with each other, wherein one end of each brace rod (1) is connected with an arc-shaped flat iron (2);
the openings of the two arc-shaped flat irons (2) are arranged correspondingly; the outer side of at least one arc-shaped flat iron (2) is fixedly connected with a clamping flat iron (3);
one end of the arc-shaped flat iron (2) far away from the support rod (1) is provided with a connecting part (4), and the connecting part (4) is detachably connected.
2. The ground clamp connection for pipes of claim 1, wherein: still include and lead electrical pillar (5), it installs to lead electrical pillar (5) fixed mounting in the inside of arc band iron (2), just it is a plurality of to lead electrical pillar (5), a plurality of it follows to lead electrical pillar (5) the inner peripheral surface of arc band iron (2) evenly sets up.
3. The ground clamp connection for pipes of claim 2, wherein: the conductive columns (5) are copper columns or aluminum columns, and the number of the conductive columns (5) on each arc-shaped flat iron (2) is not less than 3.
4. A ground clamp connection for pipes as set forth in claim 3 wherein: the support rod support device is characterized by further comprising a rotating pin (6), and the two support rods (1) are rotatably connected with the rotating pin (6).
5. The ground clamp connection for pipes of claim 4, wherein: the cross section of the conductive post (5) is circular, rectangular or long waist-shaped.
6. An earth clamp connection device for pipes according to any of claims 1-5, characterized in that: the supporting device is characterized by further comprising a supporting spring (7), wherein two ends of the supporting spring (7) are respectively connected with two ends of the supporting rods (1) far away from and corresponding to one ends of the arc-shaped flat irons (2).
7. An earth clamp connection device for pipes according to any of claims 1-5, characterized in that: meshing teeth (8) which can be meshed with each other are respectively arranged on the two connecting parts (4); and the number of the meshing teeth (8) on each connecting part (4) is at least two.
8. Ground clamp connection for pipes according to claim 7, characterized in that the connection part (4) is hinged to the end of the curved band iron (2) remote from the stay (1).
9. An earth clamp connection device for pipes according to any of claims 1-5, characterized in that: and a handle (9) is arranged at one end of the connecting part (4) far away from the arc-shaped flat iron (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921783554.8U CN211759120U (en) | 2019-10-21 | 2019-10-21 | Grounding clamp connection device for pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921783554.8U CN211759120U (en) | 2019-10-21 | 2019-10-21 | Grounding clamp connection device for pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211759120U true CN211759120U (en) | 2020-10-27 |
Family
ID=72934538
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921783554.8U Active CN211759120U (en) | 2019-10-21 | 2019-10-21 | Grounding clamp connection device for pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211759120U (en) |
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2019
- 2019-10-21 CN CN201921783554.8U patent/CN211759120U/en active Active
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