CN212380601U - New-type iron body of taking of electric welding - Google Patents

Abstract

The utility model relates to a new-type bonding object of electric welding. The problem that the contact area of the existing bonding body is small, so that the welding quality and the stability are influenced is mainly solved. The method is characterized in that: the cable quick-connection plug (1) is connected with a bonding wire (3) formed by a plurality of flat copper wires, the upper end of the bonding wire is fixed into a whole, the lower end of the bonding wire (3) is divided into a left bonding wire and a right bonding wire which are respectively a left single-section bonding wire and a right single-section bonding wire, and the left single-section bonding wire and the right single-section bonding wire are respectively connected with a strong magnet (5) at intervals through a plurality of fixing screws B (6); the inner side of the strong magnet is connected with a clamping piece (7). This new-type bonding body of electric welding, it is as an organic whole with the laminating of corresponding profit pipeline that can be fine, increased area of contact, the heavy current when guaranteeing the welding passes through, it is firm to have guaranteed the contact surface, has avoided the drawback that the effective overlap joint of heavy-calibre pipeline can not weld.

Description

New-type iron body of taking of electric welding

Technical Field

The utility model relates to an oil field oil production engineering technical field, in particular to new-type bonding object of electric welding.

Background

When an electric welding machine is used for welding an iron oil pipe of an oil well in the process of plugging the oil well and the like, an electric welding machine iron lapping body is generally clamped on a welded material by a special ground wire clamp of the electric welding machine and is used as a negative electrode of the electric welding machine. Because the opening of the special ground clamp for the electric welding machine is limited, the opening of the special ground clamp of 1000A at present can only reach 56mm, only 2-inch and half-inch oil pipes can be clamped, and then large-caliber pipe fittings cannot be clamped. In order to solve the problem, workers use the steel bars as the grounding body like a fork, the grounding body is inserted into the pipe fitting during use, and the tension degree is adjusted at any time according to the diameter of the pipe fitting. However, this also has a number of disadvantages: 1. the contact area of the grounding body is point contact, the contact area is very small, the resistance is very large, the voltage drop is increased, and the increase of welding current is directly influenced, so that the welding specification is changed, and the welding quality and the welding stability are influenced; 2. loose contact is caused, and when a power line is moved, current is sometimes not provided, so that the impact damage to internal components of the electric welding machine is large; the lap joint can be ignited or burned due to loose contact, and a fire disaster is easily caused if inflammable substances are nearby; 3. energy is not saved, and the waste of electric power is increased due to the rise of welding current and voltage.

Disclosure of Invention

The utility model aims to solve the technical problem that overcome the problem that the existing bonding body contact area that exists among the background art is little, the contact is not firm influences welding quality and stability, and provide a new-type bonding body of electric welding, this new-type bonding body of electric welding, can be fine with corresponding profit pipeline laminating as an organic whole, increased area of contact, the passing through of heavy current when guaranteeing the welding has guaranteed that the contact surface is firm, has avoided the drawback that the effective overlap joint of heavy-calibre pipeline can not weld.

The utility model provides a its problem accessible reach as follows technical scheme: the novel bonding body of the electric welding machine comprises a cable quick-connection plug, wherein the cable quick-connection plug is connected with a bonding wire formed by a plurality of flat copper wires, the upper end of the bonding wire is fixed into a whole, the lower end of the bonding wire is divided into a left bonding wire and a right bonding wire which are respectively a left bonding wire and a right bonding wire, and the left bonding wire and the right bonding wire are respectively connected with a strong magnet at intervals through 2 fixing screws B; the inner side of the strong magnet is connected with a clamping sheet; the left part bonding wire and the right part bonding wire are connected on the oil pipe in a ring mode.

The novel iron lapping body of the electric welding machine comprises two flexible 25mm²The flexible flat copper wire is used as a main connecting part, each flat copper wire is provided with two strong magnets, magnetic attraction is performed on the welded pipeline for fixation, and the flexible flat copper wire can be suitable for metal pipelines with different sizes. The flat copper wire is wound on the metal pipeline through the clamping of 4 strong magnets and the iron plate, so that the contact area is increased, the welding can be continuously carried out on parts with higher welding quality requirements through larger welding current, and the condition of no current cutoff in the middle is avoided.

Compared with the above background art, the utility model can have following beneficial effect: the novel bonding body of the electric welding machine has the advantage that the welding quality is required to be reliable and stable due to the high pressure bearing of the welded oil-water well pipeline. The invention overcomes the defects of the original design, achieves the purpose of adapting to pipelines with different diameters, has the advantages of increasing the contact area, being difficult to burn out the bonding wire and generate sparks, stable current output, meeting the welding requirement by small current and the like due to the reliable connection of the bonding wire and the bonding body and the reliable connection of the bonding body and the pipe fitting, plays a certain role in improving the welding quality of the welding pressure-bearing oil pipe, ensuring the safe production, reducing the burning loss of the bonding wire and prolonging the service life of the bonding wire. The utility model discloses structure, production simple process, small, light in weight have and remove convenient rapidly, satisfy the requirement that electric welding bond strap frequently removed the change, the bond is simple.

Drawings

FIG. 1 is a schematic structural diagram of the present invention;

figure 2 is the effect picture after the utility model is used.

In the figure: 1-cable quick-connect plug; 2-fixing the screw A; 3-bonding wire; 4-single-section bonding wire; 5-strong magnet; 6-fixing the screw B; 7-clamping pieces; 8-oil pipe.

The specific implementation mode is as follows:

the invention will be further explained with reference to the drawings:

as shown in the attached drawings 1 and 2, the novel bonding body for the electric welding machine comprises a special cable quick-connection plug 1 for the welding machine, wherein the special cable quick-connection plug 1 for the welding machine is connected with a bonding wire 3 formed by a plurality of strands of flat copper wires, and the upper ends of the bonding wires 3 are connected and fixed into a whole through a fixing screw A2; the lower end of the bonding wire 3 is equally divided into a left single-segment bonding wire and a right single-segment bonding wire 4 which are respectively a left single-segment bonding wire and a right single-segment bonding wire, and the left single-segment bonding wire and the right single-segment bonding wire are respectively connected with a strong magnet 5 at intervals through 2 fixing screws B6; the inner side of the strong magnet 5 is connected with a clamping piece 7; the clamping sheet 7 is a ferrite stainless steel sheet and is matched with a strong magnet to play a clamping role; the left part single-section bonding wire and the right part single-section bonding wire are bonded on the high-pressure oil pipe 8.

The novel iron lapping body of the electric welding machine is assembled and used in a process that a plurality of strands of flat copper wires at the upper end are fixedly connected through fixing screws; the lower end of the multi-strand flat copper wire is divided into a left part and a right part of bonding wires, and each bonding wire is connected with a strong magnet at intervals through 2 fixed screws; the inner side of the strong magnet is connected with a clamping sheet; the clamping pieces are ferrite stainless steel pieces and are matched with a strong magnet to play a clamping role.

When the novel bonding body of the electric welding machine is applied to leakage stoppage of an oil-water well, each bonding wire consisting of a plurality of flat copper wires is provided with two strong magnets, and the bonding wires are fixed on a welding pipeline in a magnetic absorption mode and can be suitable for metal pipelines of different sizes. The flat copper wire is wound on the metal pipeline through the clamping of 4 strong magnets and iron plate clamping pieces, so that the contact area is increased, the welding can be continuously carried out on parts with higher welding quality requirements through larger welding current, and the situation of no current cutoff in the middle is avoided. The quick-connection plug of the special cable for the welding machine can be quickly replaced with a plurality of groups of metal binding surface bonding bodies to meet the requirements of different pipe diameters in different occasions.

The novel bonding body of the electric welding machine can effectively improve the welding quality of the welded pressure-bearing oil pipe. The problems of burning out of the electric welding machine, burning red at the lap joint during welding and welding quality are avoided, and the safe and stable operation of oil field production is ensured. The purposes of saving the maintenance cost of the electric welding machine and saving the electric charge are achieved.

Claims (5)

1. The utility model provides a new-type bond body of electric welding, includes cable quick-connect plug (1), its characterized in that: the cable quick-connection plug (1) is connected with a bonding wire (3) formed by a plurality of flat copper wires, the upper end of the bonding wire (3) is fixed into a whole, the lower end of the bonding wire (3) is divided into a left single-section bonding wire and a right single-section bonding wire which are respectively a left single-section bonding wire and a right single-section bonding wire, and the left single-section bonding wire and the right single-section bonding wire are respectively connected with a strong magnet (5) at intervals through a plurality of fixing screws B (6); the inner side of the strong magnet (5) is connected with a clamping piece (7).

2. The novel bond for electric welding machine as claimed in claim 1, wherein: the clamping sheet is a ferrite stainless steel sheet.

3. The novel bond for electric welding machine as claimed in claim 1, wherein: the upper ends of the bonding wires (3) are fixedly connected through fixing screws A (2).

4. The novel bond for electric welding machine as claimed in claim 1, wherein: the left part of the single-section bonding wire and the right part of the single-section bonding wire are connected with the oil pipe (8) in a bonding way.

5. The novel bond for electric welding machine as claimed in claim 4, wherein: the oil pipe (8) is a high-pressure oil pipe.

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