CN215418630U

CN215418630U - Ground wire magnetic contactor and ground wire installation system

Info

Publication number: CN215418630U
Application number: CN202121113134.6U
Authority: CN
Inventors: 赵恒宇; 郭存杰; 曹延双; 才永刚
Original assignee: National Pipe Network Group Beijing Pipeline Co ltd
Current assignee: National Pipe Network Group Beijing Pipeline Co ltd
Priority date: 2021-05-21
Filing date: 2021-05-21
Publication date: 2022-01-04
Anticipated expiration: 2031-05-21

Abstract

The invention discloses a ground wire magnetic contactor, relates to the technical field of power equipment safety, and solves the technical problems that poor contact exists in ground wire installation and operation standards and quality are influenced in the related technology. Ground wire magnetic force contactor includes insulation board and contact electrode board, insulation board fixedly connected with installation is with strong magnetic separator, installation is with strong magnetic separator magnetism to be inhaled and is installed in metal work piece, contact electrode board is including continuous first section and second section, the second section passes through adjusting screw and is connected with the insulation board, the second section is installed in one side that metal work piece was kept away from to the insulation board, adjusting screw is used for adjusting contact electrode board to first section to support to press in metal work piece, the one end that first section was kept away from to the second section is connected with the wiring nose, wiring nose and ground wire electric connection. Therefore, the problem of arc scratch caused by virtual connection of the ground wire contact point in pipeline welding operation is solved.

Description

Ground wire magnetic contactor and ground wire installation system

Technical Field

The invention relates to the technical field of power equipment safety, in particular to a ground wire magnetic contactor and a ground wire installation system.

Background

In the natural gas pipeline welding operation, a welding cable (ground wire) is placed in a welding opening slope or on the surface of a base metal through a simple ground wire clamp, and an electric arc is easily scratched due to poor contact, so that the operation standard and the operation quality are not facilitated.

Disclosure of Invention

The application provides a ground wire magnetic force contactor, has solved among the correlation technique ground wire installation and has had contact failure and influence the technical problem of operation standard and quality.

The application provides a ground wire magnetic force contactor, including insulation board and contact electrode plate, insulation board fixedly connected with installation is with strong magnetic block, installation is with strong magnetic block magnetism to be inhaled and is installed in metal work piece, contact electrode plate is including continuous first section and second section, the second section passes through adjusting screw and is connected with the insulation board, the second section is installed in one side that metal work piece was kept away from to the insulation board, adjusting screw is used for adjusting contact electrode plate to first section to support to press in metal work piece, the one end that first section was kept away from to the second section is connected with the wiring nose, wiring nose and ground wire electric connection.

Optionally, the second section of the contact electrode plate is further connected with the insulating plate through a limiting bolt, and the limiting bolt and the adjusting screw are arranged at intervals.

Optionally, the adjustment screw is disposed proximate to the first segment as compared to the limit bolt.

Optionally, the ground wire magnetic contactor is further provided with a trial welding plate, and the trial welding plate is electrically connected with the contact electrode plate.

Optionally, the trial welding plate and the lug are both mounted on the contact electrode plate through fixing bolts.

Optionally, the material of the trial welding plate is consistent with that of the metal workpiece.

Optionally, the insulation board is arranged in a box, and the installation strong magnetic block is arranged in the insulation board and connected through a button screw.

Optionally, the second section comprises a transition part and a tilting part, the first section, the transition part and the tilting part are sequentially connected, and the tilting part extends along a direction deviating from the metal workpiece;

the transition portion is connected with the insulating plate through an adjusting screw, and the tilting portion is electrically connected with the wiring nose.

A ground wire installation system comprises the ground wire magnetic contactor, wherein the ground wire magnetic contactor is installed on a metal workpiece and is connected with a ground wire;

the ground wire installation system is further provided with an anti-drop strong magnetic block, the anti-drop strong magnetic block is installed on the metal workpiece, the anti-drop strong magnetic block is fixedly connected with a limiting ring, and the ground wire penetrates through the limiting ring and is arranged by the ring wall of the limiting ring.

Optionally, the strong magnet of anti-drop still disposes the protection box, and the protection box is made by antimagnetic material, and the protection box is equipped with the holding chamber of the strong magnet of holding anti-drop, is equipped with the sheetmetal in the protection box, and the sheetmetal is connected with the box body screwed connection of protection box.

The beneficial effect of this application is as follows: the application provides ground wire magnetic force contactor adsorbs in metal work piece through magnetic force, it is firm to inhale magnetism, and contact electrode board can make one end withstand pressure in metal work piece through adjusting screw, and the contact electrode board other end passes through wiring nose and ground wire electric connection, thereby constitute metal work piece-contact electrode board-wiring nose-ground wire's electric connection in proper order, be formed with the welding return circuit, contact electrode board passes through adjusting screw and installs in the insulation board, and then inhale in metal work piece through installation with strong magnet magnetism, magnetism is inhaled the fastening, improve the electric arc fish tail problem that the ground wire contact point virtual connection leads to in the pipeline welding operation, and contact electrode board cuts apart with the installation through the insulating piece with strong magnet, be favorable to operation safety and life.

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 will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention.

FIG. 1 is a schematic illustration of the use of a ground wire mounting system including a ground wire magnetic contact as provided herein;

fig. 2 is a schematic structural diagram of a ground magnetic contactor provided in the present application;

fig. 3 is a schematic structural diagram of the ground wire magnetic contactor provided by the present application, which is matched with a wiring lug and a trial welding plate;

FIG. 4 is a schematic view of the installation of the mounting ferromagnetic block and the insulating plate provided in the present application;

FIG. 5 is a schematic view illustrating an installation of the anti-drop strong magnetic block and the protection box provided by the present application;

fig. 6 is another structural schematic diagram of the ground magnetic contactor provided in the present application.

The attached drawings are marked as follows: 10-ground wire magnetic contactor, 100-insulating plate, 110-mounting strong magnetic block, 200-contact electrode plate, 210-first section, 220-second section, 221-transition part, 222-tilting part, 230-adjusting screw, 240-limiting bolt, 300-wiring nose, 400-trial welding plate, 20-metal workpiece, 30-ground wire, 40-anti-falling strong magnetic block, 41-limiting ring, 42-protection box, 42 a-containing cavity and 42 b-metal sheet.

Detailed Description

The embodiment of the application provides a ground wire magnetic contactor, and solves the technical problems that poor contact exists and the operation standard and quality are influenced in ground wire installation in the related technology.

In order to solve the technical problems, the general idea of the embodiment of the application is as follows:

the utility model provides a ground wire magnetic force contactor, including insulation board and contact electrode board, insulation board fixedly connected with installs with strong magnetic block, install with strong magnetic block magnetism and inhale in metal work piece, contact electrode board is including continuous first section and second section, the second section passes through adjusting screw and is connected with the insulation board, the second section is installed in one side that metal work piece was kept away from to the insulation board, adjusting screw is used for adjusting contact electrode board to first section to support to press in metal work piece, the one end that first section was kept away from to the second section is connected with the wiring nose, wiring nose and ground wire electric connection.

In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.

Example 1

Referring to fig. 1 to 4, the present embodiment provides a ground magnetic contactor 10, which includes an insulating plate 100 and a contact electrode plate 200, wherein the insulating plate 100 is fixedly connected with a strong magnetic block 110 for installation, the strong magnetic block 110 for installation is magnetically mounted on a metal workpiece 20, the contact electrode plate 200 includes a first section 210 and a second section 220 connected to each other, the second section 220 is connected to the insulating plate 100 through an adjusting screw 230, the second section 220 is mounted on a side of the insulating plate 100 away from the metal workpiece 20, the adjusting screw 230 is used for adjusting the contact electrode plate 200 to the first section 210 to abut against the metal workpiece 20, one end of the second section 220 away from the first section 210 is connected to a connection lug 300, and the connection lug 300 is electrically connected to a ground 30.

As shown in fig. 1 and 2, the adjusting screw 230 may be in the form of a ring bolt to facilitate manual rotation. The contact electrode plate 200 is pressed against the insulating plate 100 and the metal workpiece 20 by the adjusting screw 230, so that the end of the first segment 210 of the contact electrode plate 200 is pressed against the metal workpiece 20, and a charge transfer path from the metal workpiece 20 to the contact electrode plate 200 is formed.

The other end of the contact electrode plate 200 is electrically connected with the ground wire 30 through the wiring lug 300, so that the metal workpiece 20-the contact electrode plate 200-the wiring lug 300-the ground wire 30 are sequentially electrically connected to form a welding loop, the contact electrode plate 200 is installed on the insulating plate 100 through the adjusting screw 230, and then is magnetically attracted to the metal workpiece 20 through the strong magnetic block 110 for installation, the magnetic attraction fastening is performed, the problem of electric arc scratch caused by virtual connection of the ground wire 30 contact point in pipeline welding operation is solved, and the contact electrode plate 200 is separated from the strong magnetic block 110 for installation through the insulating plate 100, so that the operation safety and the service life are facilitated.

The metal workpiece 20 includes a pipe, a plate, and the like. Optionally, a circle of pipe base material is polished to form a ring with metallic luster for pressing against the contact electrode plate 200.

Optionally, referring to fig. 4, the insulating plate 100 is provided in a box shape, and the mounting ferromagnetic block 110 is installed in the insulating plate 100 and connected by a button screw. The box is favorable for wrapping the strong magnetic block, so that inconvenience in use and storage of the strong magnetic block is reduced, and particularly unfavorable magnetic attraction to an electronic instrument is avoided.

The mounting of the mounting ferromagnetic block 110 and the insulating plate 100 may be performed by a screw connection method such as a button screw, or may be performed by a pin connection method.

Optionally, referring to fig. 1 and fig. 2, the second section 220 of the contact electrode plate 200 is further connected to the insulating plate 100 through a limiting bolt 240, and the limiting bolt 240 is spaced from the adjusting screw 230. The contact electrode plate 200 is mounted on the insulating plate 100 by the limit bolt 240, which is beneficial to the subsequent adjustment of the adjusting screw 230.

The limit bolt 240 and the adjusting screw 230 are disposed, as shown in fig. 2, the adjusting screw 230 is disposed closer to the first section 210 than the limit bolt 240, the adjusting screw 230 is closer to the first section 210, and the adjusting screw 230 is further away from the limit bolt 240.

As shown in fig. 6, the adjusting screw 230 is disposed far from the first section 210 than the limiting bolt 240, and the nut of the limiting bolt 240 is disposed at an interval with the insulating plate 100, which is laborious and the pressing condition is not as stable as above.

Optionally, referring to fig. 1 and fig. 3, the ground wire magnetic contactor 10 is further provided with a trial welding plate 400, the trial welding plate 400 is electrically connected with the contact electrode plate 200, trial welding can be performed by using the trial welding plate 400 before welding, and preferably, the material of the trial welding plate 400 is consistent with that of the metal workpiece 20, so that the welding condition of the pipe can be simulated in advance through the trial welding plate 400, corresponding condition parameters are determined, and formal welding and the like of the pipe in the following process are facilitated.

Alternatively, as shown in fig. 1 and 3, the test welding plate 400 and the lug 300 are both mounted on the contact electrode plate 200 by fixing bolts, and the bolts are mounted at one position to realize mutual electrical connection and fixed mounting.

Optionally, referring to fig. 1 and fig. 2, the second segment 220 includes a transition portion 221 and a tilted portion 222, the first segment 210, the transition portion 221 and the tilted portion 222 are connected in sequence, and the tilted portion 222 extends along a direction deviating from the metal workpiece 20. The transition portion 221 is connected to the insulating plate 100 through the adjusting screw 230, and the tilting portion 222 is electrically connected to the terminal lug 300. The raised portion 222 makes the contact lug 300 and the test welding plate 400 far away from the surface of the metal workpiece 20.

Example 2

Based on the ground wire magnetic contactor 10 provided in embodiment 1, the present embodiment provides a ground wire 30 mounting system, in which the ground wire magnetic contactor 10 is mounted on a metal workpiece 20, and the ground wire 30 is connected to the ground wire magnetic contactor 10. The ground wire 30 mounting system is further provided with an anti-falling strong magnetic block 40, the anti-falling strong magnetic block 40 is mounted on the metal workpiece 20, referring to fig. 1 and 5, the anti-falling strong magnetic block 40 is fixedly connected with a limiting ring 41, and the ground wire 30 penetrates through the limiting ring 41 and is arranged close to the annular wall of the limiting ring 41.

Therefore, the anti-falling strong magnet block 40 with the limiting ring 41 limits the distribution of the ground wire 30, and the unfavorable conditions that personnel are injured and equipment is lost due to the fact that the contactor falls off accidentally are improved.

Optionally, referring to fig. 5, the anti-falling strong magnetic block 40 is further configured with a protection box 42, the protection box 42 is made of an anti-magnetic material, the protection box 42 is provided with an accommodating cavity 42a for accommodating the anti-falling strong magnetic block 40, a metal sheet 42b is arranged in the protection box 42, and the metal sheet 42b is connected with a box body screw of the protection box 42.

Preferably, the metal sheet 42b is embedded in the protection box 42 as shown in fig. 5, compared with the receiving cavity 42 a. When the anti-falling strong magnetic block 40 is in a standby state, the anti-falling strong magnetic block 40 is placed in the accommodating cavity 42a of the protection box 42, and the anti-falling strong magnetic block 40 and the metal sheet 42b are magnetically attracted firmly and further placed in the protection box 42. Through setting up protection box 42, can enough improve the adverse effect of strong magnetism to electronic instrument, improve the instrument magnetization, can weaken the magnetic attraction size between the strong magnet of anti-drop 40 and the strong magnet 110 for the installation between the two, be favorable to accomodating and take out corresponding strong magnet, avoid in the twinkling of an eye the absorption in-process to press from both sides and hinder the human body.

The protection box 42 is also provided with a hanging ring, and the hanging ring of the protection box 42 is connected with the limiting ring 41 of the anti-falling strong magnetic block 40 through a pull wire, so that the problem that parts are too many and are easy to lose is solved.

While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the invention.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. A ground wire magnetic contactor, comprising:

an insulating plate fixedly connected with

The mounting strong magnet is magnetically mounted on the metal workpiece;

the contact electrode plate, the contact electrode plate is including continuous first section and second section, the second section pass through adjusting screw with the insulation board is connected, the second section install in the insulation board is kept away from one side of metal work piece, adjusting screw is used for adjusting the contact electrode plate extremely first section is supported and is pressed in metal work piece, the second section is kept away from the one end of first section is connected with

And the wiring lug is electrically connected with the ground wire.

2. The ground wire magnetic contactor as claimed in claim 1, wherein the second section of the contact electrode plate is further connected to the insulating plate by a stopper bolt, and the stopper bolt is spaced apart from the adjusting screw.

3. The ground wire magnetic contactor as claimed in claim 2, wherein the adjustment screw is disposed closer to the first section than the limit bolt.

4. The ground magnetic contact of claim 1 further comprising a test solder plate, wherein the test solder plate is electrically connected to the contact electrode plate.

5. The ground wire magnetic contactor as claimed in claim 4, wherein said trial welding plate and said lug are mounted to said contact electrode plate by means of fixing bolts.

6. The ground wire magnetic contactor as claimed in claim 5, wherein said trial weld plate is formed of the same material as said metal workpiece.

7. The ground magnetic contactor according to claim 1, wherein said insulating plate is provided in a box shape, and said mounting ferromagnetic block is provided inside said insulating plate and connected thereto by a button screw.

8. The ground wire magnetic contact of any one of claims 1 to 7, wherein the second segment includes a transition portion and a tilted portion, the first segment, the transition portion and the tilted portion being connected in sequence, the tilted portion extending in a direction away from the metal workpiece;

the transition portion is connected with the insulating plate through the adjusting screw, and the tilting portion is electrically connected with the wiring lug.

9. An earth wire installation system, characterized by comprising the earth wire magnetic contactor as claimed in any one of claims 1 to 8, wherein the earth wire magnetic contactor is installed on the metal workpiece, and an earth wire is connected with the earth wire magnetic contactor;

the ground wire installation system is further provided with an anti-drop strong magnetic block, the anti-drop strong magnetic block is installed on the metal workpiece, the anti-drop strong magnetic block is fixedly connected with a limiting ring, and the ground wire penetrates through the limiting ring and leans on the ring wall of the limiting ring to be arranged.

10. The ground wire mounting system according to claim 9, wherein the anti-drop strong magnetic block is further provided with a protection box made of antimagnetic material, the protection box is provided with a receiving cavity for receiving the anti-drop strong magnetic block, a metal sheet is arranged in the protection box, and the metal sheet is connected with a box body screw of the protection box.