CN209913056U - Detachable welding grounding device - Google Patents
Detachable welding grounding device Download PDFInfo
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- CN209913056U CN209913056U CN201920981075.0U CN201920981075U CN209913056U CN 209913056 U CN209913056 U CN 209913056U CN 201920981075 U CN201920981075 U CN 201920981075U CN 209913056 U CN209913056 U CN 209913056U
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Abstract
The utility model discloses a detachable welding earthing device relates to marine wind power field, has solved original earthing device direct fixation in mother metal, and has directly used the gyro wheel frame to carry out transmission current, and lead to guaranteeing that welding seam quality and disposable shaping effect can't guarantee, earth connection life reduces, the inside mechanism of gyro wheel frame causes the scheduling problem of serious damage. The device comprises a frame seat fixed on a roller carrier support, wherein an insulating pad is arranged between the frame seat and the roller carrier support; the copper connecting rod is connected to the rack seat, the copper connecting rod is connected to the rack seat only in a sliding mode along the direction towards the side face of the roller, and a driving piece used for driving the connecting rod to slide towards the direction close to the roller is arranged in the rack seat. The effects of effectively transferring current, guaranteeing the stability of current and voltage in the welding process and avoiding the influence on welding current and voltage instability caused by poor grounding are achieved.
Description
Technical Field
The utility model relates to an offshore wind power field, in particular to detachable welding earthing device.
Background
This earthing device mainly used marine wind power tubular pile project group is to welding use, and original earthing device direct fixation in mother metal, and directly use the gyro wheel frame to carry out transmission current have following problem:
(1) the tubular pile needs to rotate during welding, so that the grounding wire generates torsion, the machine needs to be stopped at any time to release the torsion of the grounding wire, and the welding seam quality and the one-time forming effect cannot be guaranteed; meanwhile, the grounding wire is damaged and heated due to long-time torsion, so that the grounding effect is greatly weakened, the service life of the grounding wire is greatly shortened, and the cost investment of the grounding cable is increased;
(2) the roller carrier is used for transmitting electric current for a long time, which can cause serious and destructive damage to internal mechanisms of the roller carrier, such as a rotary bearing of the roller carrier and gears in a reduction box. Once the component is damaged, the maintenance time and cost are increased and increased by several times; can lead to delayed or even shut down of the production schedule.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a detachable welding grounding device, which is suitable for the heavy current welding grounding of various welding machines, and particularly can effectively transmit current through the device during special operation (rotation operation), thereby powerfully ensuring the stability of current and voltage in the welding process, ensuring the welding quality, improving the working efficiency and reducing the consumption cost of grounding cables; the welding line quality accident caused by unstable welding current and voltage due to poor grounding is avoided, the cost is wasted, and the construction period is delayed.
The above technical purpose of the present invention can be achieved by the following technical solutions:
a detachable welding grounding device comprises a frame seat fixed on a roller frame support, wherein an insulating pad is arranged between the frame seat and the roller frame support; the copper connecting rod is connected to the rack seat, the copper connecting rod is connected to the rack seat only along sliding towards the side direction of the roller, and a driving piece used for driving the copper connecting rod to slide towards the direction close to the roller is arranged in the rack seat.
Furthermore, the driving part comprises a compression spring positioned in the frame seat, the copper connecting rod comprises a small-diameter end positioned at one end far away from the roller and a large-diameter end positioned at one end close to the roller, and the compression spring is sleeved outside the small-diameter end and one end of the compression spring is abutted against the end surface of the large-diameter end.
Furthermore, a rack outer barrel for sliding the copper connecting rod is arranged on the rack seat, a large-diameter hole is formed in one end, close to the roller, of the rack outer barrel, and one end, far away from the large-diameter end of the copper connecting rod, of the compression spring abuts against the inner end face of the large-diameter hole.
Furthermore, one end of the outer barrel of the rack, which is far away from the roller, is provided with a small-diameter hole matched with the copper connecting rod, and the large-diameter hole is communicated with the small-diameter hole.
Furthermore, a limiting groove is formed in the outer peripheral surface of the copper connecting rod along the length direction of the copper connecting rod, a positioning bolt is connected to the outer barrel of the rack through an external thread, and the positioning bolt penetrates through the barrel wall of the outer barrel of the rack and then extends into the limiting groove.
Furthermore, one end, far away from the roller, of the copper connecting rod is connected with a connecting bolt in a threaded mode.
Further, the copper connecting rod includes a contact copper cap detachably attached to an end thereof adjacent to the roller.
Further, the contact copper cap is screwed outside the copper connecting rod.
To sum up, the utility model discloses following beneficial effect has:
1. the stability of current and voltage in the welding process is powerfully guaranteed, so that the welding quality is guaranteed, the working efficiency is improved, and the consumption cost of the grounding cable is reduced; the welding line quality accident caused by unstable welding current and voltage due to poor grounding is avoided, the cost is wasted, and the construction period is delayed.
2. The copper connecting rod and the contact copper cap are in threaded connection, so that the copper cap can be conveniently and timely replaced after being worn in the future, and the service life of the device is prolonged.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a side view of fig. 1 (hidden contact copper cap).
In the figure, 1, a frame base; 11. a rack outer cylinder; 12. positioning the bolt; 2. a copper connecting rod; 21. a limiting groove; 22. a connecting bolt; 23. a contact copper cap; 3. compressing the spring.
Detailed Description
The following description will be further described with reference to the accompanying drawings, which are not intended to limit the present invention.
A detachable welding grounding device is shown in figures 1 and 2 and comprises a frame base 1 fixed on a roller frame support, wherein the frame base 1 is made of QB235 steel plates, and an insulating pad is arranged between the frame base 1 and the roller frame support to insulate the grounding device from the roller frame.
As shown in fig. 1, a copper connecting rod 2 is connected to a frame base 1, and the copper connecting rod 2 comprises a contact copper cap 23 which is in threaded connection with one end of the copper connecting rod outside the end close to the roller; copper connecting rod 2 only slides along the direction towards gyro wheel side and connects in rack mount 1, is equipped with in the rack mount 1 to be used for driving copper connecting rod 2 toward being close to the driving piece that the gyro wheel direction slided. The copper connecting rod 2 is tightly abutted against the side surface of the roller through the resilience force of the compression spring 3, and the roller is insulated from the roller frame, so that the grounding current is effectively transmitted to the tubular pile, and the current is prevented from being transmitted by using the roller frame.
As shown in fig. 1, the driving member includes a compression spring 3 located in the frame base 1, the copper connecting rod 2 is a stepped shaft, and includes a small diameter end located at one end far away from the roller and a large diameter end located at one end close to the roller, the compression spring 3 is sleeved outside the small diameter end, and one end of the compression spring abuts against the end surface of the large diameter end.
As shown in fig. 1, a rack outer cylinder 11 for sliding the copper connecting rod 2 is welded on the rack base 1, a large-diameter hole is formed in one end of the rack outer cylinder 11 close to the roller, and one end of the compression spring 3, which is far away from the large-diameter end of the copper connecting rod 2, abuts against the inner end face of the large-diameter hole.
As shown in figure 1, one end of the outer barrel 11 of the frame, which is far away from the roller, is provided with a small-diameter hole matched with the copper connecting rod 2, and the large-diameter hole is communicated with the small-diameter hole. In this embodiment, the outer barrel 11 of the rack is a seamless steel tube, the inner diameter of the small-diameter hole is equal to the diameter of the small-diameter end of the copper connecting rod 2, the inner diameter of the large-diameter hole is equal to the diameter of the large-diameter end of the copper connecting rod 2, the spring is sleeved outside the small-diameter end of the copper connecting rod 2, and the maximum diameter of the spring is equal to the diameter of the large-diameter end of the copper connecting rod 2.
As shown in fig. 1, a connecting bolt 22 is coaxially and threadedly connected to one end of the copper connecting rod 2 away from the roller; a limiting groove 21 is formed in the outer peripheral surface of the large-diameter end of the copper connecting rod 2 along the length direction of the copper connecting rod, a positioning bolt 12 is connected to the outer barrel 11 of the rack through an external thread, and the positioning bolt 12 penetrates through the barrel wall of the outer barrel 11 of the rack and abuts against the bottom of the limiting groove 21 so as to limit the length of a sliding path of the copper connecting rod 2; in this embodiment, when the copper connecting rod 2 slides, the compression spring 3 is always located in the outer cylinder 11 of the rack.
When in use, one end of the grounding wire is connected with the negative pole pile head of the welding machine, and the other end is connected with the grounding device; the joints at the two ends are ensured to be firmly connected and can be used; in the use process, the grounding device can bear one or more welding devices for use.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and those skilled in the art can make various modifications or equivalent substitutions within the spirit and scope of the present invention, and such modifications or equivalent substitutions should also be considered as falling within the scope of the present invention.
Claims (8)
1. The utility model provides a detachable welding earthing device which characterized in that: the device comprises a frame seat (1) fixed on a roller carrier support, wherein an insulating pad is arranged between the frame seat (1) and the roller carrier support; be connected with copper connecting rod (2) on rack seat (1), copper connecting rod (2) only slide along orientation gyro wheel side direction and connect in rack seat (1), be equipped with in rack seat (1) and be used for driving copper connecting rod (2) toward being close to the driving piece that the gyro wheel direction slided.
2. The detachable welding ground device of claim 1, wherein: the driving piece comprises a compression spring (3) located in a rack seat (1), the copper connecting rod (2) comprises a small-diameter end located far away from one end of the roller and a large-diameter end close to one end of the roller, and the compression spring (3) is sleeved outside the small-diameter end and one end of the compression spring is abutted to the end face of the large-diameter end.
3. A detachable welding ground connection device according to claim 2, characterized in that: be equipped with frame urceolus (11) that supply copper connecting rod (2) to slide on frame seat (1), big footpath hole has been seted up to frame urceolus (11) near gyro wheel one end, copper connecting rod (2) big footpath end one end butt in the interior terminal surface in big footpath hole is kept away from in compression spring (3).
4. A detachable welding ground connection according to claim 3, characterized in that: and one end of the outer barrel (11) of the rack, which is far away from the roller, is provided with a small-diameter hole matched with the copper connecting rod (2), and the large-diameter hole is communicated with the small-diameter hole.
5. A detachable welding ground connection device according to claim 4, characterized in that: the outer circumferential surface of the copper connecting rod (2) is provided with a limiting groove (21) along the length direction, the outer circumferential surface of the rack outer cylinder (11) is in threaded connection with a positioning bolt (12), and the positioning bolt (12) penetrates through the cylinder wall of the rack outer cylinder (11) and then extends into the limiting groove (21).
6. A detachable welding grounding device according to claim 1 or 5, characterized in that: and one end of the copper connecting rod (2) far away from the roller is in threaded connection with a connecting bolt (22).
7. A detachable welding grounding device according to claim 1 or 5, characterized in that: the copper connecting rod (2) comprises a contact copper cap (23) detachably connected to one end, close to the roller, of the copper connecting rod.
8. The detachable welding ground device of claim 7, wherein: the contact copper cap (23) is connected outside the copper connecting rod (2) in a threaded mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920981075.0U CN209913056U (en) | 2019-06-27 | 2019-06-27 | Detachable welding grounding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920981075.0U CN209913056U (en) | 2019-06-27 | 2019-06-27 | Detachable welding grounding device |
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| Publication Number | Publication Date |
|---|---|
| CN209913056U true CN209913056U (en) | 2020-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920981075.0U Active CN209913056U (en) | 2019-06-27 | 2019-06-27 | Detachable welding grounding device |
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| Country | Link |
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| CN (1) | CN209913056U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112317923A (en) * | 2020-10-28 | 2021-02-05 | 西安热工研究院有限公司 | Grounding device and method for welding wind power steel pipe pile |
| CN113275795A (en) * | 2021-05-19 | 2021-08-20 | 湖南蓝天智能装备科技有限公司 | Novel electrode mounting structure of welding roller carrier |
-
2019
- 2019-06-27 CN CN201920981075.0U patent/CN209913056U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112317923A (en) * | 2020-10-28 | 2021-02-05 | 西安热工研究院有限公司 | Grounding device and method for welding wind power steel pipe pile |
| CN113275795A (en) * | 2021-05-19 | 2021-08-20 | 湖南蓝天智能装备科技有限公司 | Novel electrode mounting structure of welding roller carrier |
| CN113275795B (en) * | 2021-05-19 | 2023-11-10 | 湖南蓝天智能装备科技有限公司 | Novel electrode mounting structure of welding roller frame |
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