CN200981149Y - Underwater high-voltage welding power supplying device - Google Patents
Underwater high-voltage welding power supplying device Download PDFInfo
- Publication number
- CN200981149Y CN200981149Y CN 200620119341 CN200620119341U CN200981149Y CN 200981149 Y CN200981149 Y CN 200981149Y CN 200620119341 CN200620119341 CN 200620119341 CN 200620119341 U CN200620119341 U CN 200620119341U CN 200981149 Y CN200981149 Y CN 200981149Y
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- welding
- cable
- high pressure
- supplying device
- welding cable
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Abstract
The utility model discloses a power supply device for the underwater high pressure welding, which comprises a high pressure welding source and a navel cord pipe, wherein the interior is equipped with a welding cable holding groove and a welding cable fixing device, one end of the navel cord pipe is connected with the high pressure welding source, and the other end is provided with a cable adapter, the welding cable of the high pressure welding source is placed in the welding cable holding groove and fixed by the welding cable fixing device, and the welding cable is connected with the cable adapter. The high pressure welding source of the utility model can ensure the normal arc strike in the high pressure welding test, and can switch to the normal welding state after successful arc strike, providing definite arc voltage range, and having the arc controlling function. The navel cord pipe design of the utility model can basically meet the pressure falling requirements of 60m water depth and 120m actual length, having good insulating and water-proof property, and good stretching resistance ability.
Description
Technical field
The utility model relates to electric supply installation, particularly relates to a kind of power supplying device for underwater weld in high pressure.This device can be applicable to underwater dry-type high pressure weld job, can be to realizing efficient striking, normal welding in the high undersea hydrostatic pressures experimental cabin; Can provide good support and protection to equipment such as welding cable, protection tracheaes.
Background technology
For the high undersea hydrostatic pressures dry method welding, the principal element that influences welding quality is the welding depth of water and a corresponding environmental pressure, and humidity and rugged environment.Cooling and deep-water pressure effect because of water, arc characteristic, current density, arc temperature and arc stability etc. are with land completely different, the contraction of the contraction of welding arc and weld pool surface cathode arc root, form one or several cathode protection and corresponding plasma jet, produce bigger electric arc repulsive force, molten drop is big and contact with the big molten bath of surface undulation easily.For the high-pressure dry process welding, used cable is generally long, and the cable pressure drop is apparent in view, and because the environment of welding uniqueness under water, cable is in the middle of the moist relatively environment always, and the pulling force of suffered deadweight is also bigger.Weld various cables and tracheae quantity is many, as directly being placed in the middle of the seawater, relative position separately is difficult for fixing, and because be subjected to the effect of seawater, can reduction of service life and be unfavorable for handling safety.
The utility model content
The purpose of this utility model provides a kind of underwater dry-type high pressure weld job that can be applicable to, can be to realizing the power supplying device for underwater weld in high pressure of efficient striking, normal welding in the high undersea hydrostatic pressures experimental cabin.
For achieving the above object, the utility model is taked technical scheme: a kind of power supplying device for underwater weld in high pressure, and it includes: a high pressure source of welding current; One umbilical duct, its inside are provided with welding cable storage tank and welding cable fixture, and an end of this umbilical duct is connected with the high pressure source of welding current, and the other end then is provided with a cable adapter; The welding cable of the high pressure source of welding current is placed in the described welding cable storage tank, and fixes through the welding cable fixture, and this welding cable is connected with cable adapter.
In practical operation, the described high pressure source of welding current includes a main power source and a serial connection power supply.This main power source and serial connection power supply all can be selected PNE21-400P type power supply for use.
In the above-mentioned power supplying device for underwater weld in high pressure, described welding cable includes two root beads and connects current cable, two protection gas cables and a control signal cable, and the corresponding above-mentioned welding cable of described umbilical duct is provided with the welding cable storage tank.In addition, described umbilical duct also is provided with welding cable storage tank headspace.And the skin of described control signal cable is provided with a screen layer, and this screen layer is a polytetrafluoroethylene film.
In the above-mentioned power supplying device for underwater weld in high pressure, described cable adapter is the metal parts of a headband annulus, annulus one end is connected an end of easy underwater welding chamber snap joint, and an end relative with annulus connects welding cable, and the wire that compresses welding cable by sheet metal is fixed.
The utility model is owing to take above design, and it has the following advantages:
1, the high pressure source of welding current of the present utility model can guarantee the normal striking of high pressure soldering test, and can switch to normal welded condition after the striking success, and certain arc voltage scope is provided, and has arc voltage control function.
2, the design of the utility model umbilical duct makes cable can satisfy depth of water 60m basically, the pressure drop requirement of physical length 120m, and have good insulation performance and water resistance, have stronger resistance to tension.
3, the signal controlling cable in the utility model has adopted the screen layer measure, has good antijamming capability, also has good insulation water resistance and tensile property simultaneously.
4, the umbilical duct in the utility model; can form shielding to seawater well; effectively alleviate the influence of seawater to cable and tracheae; well the position of cable, tracheae is fixed; and effectively reduced the gravity that cable is born self, for the welded attachment of umbilical duct inside provides good protection.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is a source of welding current schematic diagram of the present utility model.
Fig. 3 is the tangent plane schematic diagram of the umbilical duct in the utility model.
Fig. 4 is the structural representation of cable adapter in the utility model
The specific embodiment
As Fig. 1, Fig. 2, shown in Figure 3, be a kind of power supplying device for underwater weld in high pressure disclosed in the utility model, it includes:
The one high pressure source of welding current 1;
One umbilical duct 2, its inside are provided with welding cable storage tank 21 and welding cable fixture 22, and an end of this umbilical duct 2 is connected with the high pressure source of welding current 1, and the other end then is provided with a cable adapter 23;
The welding cable 10 of the high pressure source of welding current 1 is placed in the welding cable storage tank 21, and fixes through the welding cable fixture, and welding cable 10 is connected with cable adapter 23.
Among Fig. 1,330 is control cabinet, and 331 is manual control box, and 332 is welding tractor, and 333 is pipeline, and 334 is the underwater dry-type cabin.Among Fig. 2,336,337 is switch, and 332 is welding tractor, and 340 is welding torch, and 338 are the protection tracheae, and 339 is workpiece, and 334 is the underwater dry-type cabin.
The utility model is in concrete enforcement, and the high pressure source of welding current 1 includes a main power source 11 and a serial connection power supply 12.Main power source 11 and serial connection power supply 12 all can be selected PNE21-400P type power supply for use, perhaps select the close power supply of performance with it.Use main power source 11 separately in the situation that main power source 11 can meet the demands, and if could not satisfy would add the serial connection power supply 12 meet the demands.In the striking stage, in order to raise floating voltage, can consider to make two power supplys to work simultaneously, this moment, striking voltage was two power source voltage sums.Through after a while, striking finishes, the blow-out phenomenon that cause for fear of directly being connected in series power supply 12 shutoffs this moment, can be earlier with serial connection power supply 12 during by original striking the higher voltage gear be transferred to a lower voltage gear, after stablizing after a while, to be connected in series power supply 12 again and turn off, and provide normal when welding required voltage separately, and finish until welding by main power source 11.
Cooperate shown in Figure 3; above-mentioned welding cable 10 includes two root beads and connects current cable 13, two protection gas cables 14 and a control signal cable 15; umbilical duct 2 corresponding welding cables 10 are provided with welding cable storage tank 21; current cable 13, protection gas cable 14 and control signal cable 15 are placed in respectively in its corresponding cable storage tank 21; and fixed by cable fixture; the structure of this cable fixture adopts traditional technique for fixing, does not move in the cable storage tank 21 to guarantee that welding cable 10 is fixed.
Above-mentioned umbilical duct 2 is according to using a welding machine design, should occasion for some, have more welding machine, and therefore, also umbilical duct 2 is provided with welding cable storage tank headspace 22 especially; Like this, when using more welding machine, can directly offer new welding cable storage tank 21, to adapt to the requirement of more welding machines at welding cable storage tank headspace 22 places.
In the present embodiment, for the control signal that guarantees motor is not disturbed by heavy current, the skin at control signal cable 15 is provided with a screen layer 16 especially, specifically, this screen layer can be selected polytetrafluoroethylene film for use, but not as limit, can select the screen layer with identical function for use equally.
Cooperate shown in Figure 4, in the present embodiment, above-mentioned cable adapter 23 is the metal parts of a headband annulus, and annulus one end is connected an end of easy underwater welding chamber snap joint, an end relative with annulus connects welding cable, and the wire that compresses welding cable by sheet metal is fixed.
Claims (9)
1, a kind of power supplying device for underwater weld in high pressure is characterized in that, it includes:
The one high pressure source of welding current;
One umbilical duct, its inside are provided with welding cable storage tank and welding cable fixture, and an end of this umbilical duct is connected with the high pressure source of welding current, and the other end then is provided with a cable adapter;
The welding cable of the high pressure source of welding current is placed in the described welding cable storage tank, and fixes through the welding cable fixture, and this welding cable is connected with cable adapter.
2, power supplying device for underwater weld in high pressure according to claim 1 is characterized in that: the described high pressure source of welding current includes a main power source and a serial connection power supply.
3, power supplying device for underwater weld in high pressure according to claim 2 is characterized in that: described main power source and serial connection power supply are all selected PNE21-400P type power supply for use.
4, according to claim 1 or 2 or 3 described power supplying device for underwater weld in high pressure; it is characterized in that: described welding cable includes two root beads and connects current cable, two protection gas cables and a control signal cable, and the corresponding above-mentioned welding cable of described umbilical duct is provided with the welding cable storage tank.
5, power supplying device for underwater weld in high pressure according to claim 4 is characterized in that: described umbilical duct also is provided with welding cable storage tank headspace.
6, power supplying device for underwater weld in high pressure according to claim 4 is characterized in that: the skin of described control signal cable is provided with a screen layer, and this screen layer is a polytetrafluoroethylene film.
7, power supplying device for underwater weld in high pressure according to claim 5 is characterized in that: the skin of described control signal cable is provided with a screen layer, and this screen layer is a polytetrafluoroethylene film.
8, according to claim 1 or 2 or 3 or 5 or 6 or 7 described power supplying device for underwater weld in high pressure, it is characterized in that: described cable adapter is the metal parts of a headband annulus, annulus one end is connected an end of easy underwater welding chamber snap joint, an end relative with annulus connects welding cable, and the wire that compresses welding cable by sheet metal is fixed.
9, power supplying device for underwater weld in high pressure according to claim 4, it is characterized in that: described cable adapter is the metal parts of a headband annulus, annulus one end is connected an end of easy underwater welding chamber snap joint, an end relative with annulus connects welding cable, and the wire that compresses welding cable by sheet metal is fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620119341 CN200981149Y (en) | 2006-08-29 | 2006-08-29 | Underwater high-voltage welding power supplying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620119341 CN200981149Y (en) | 2006-08-29 | 2006-08-29 | Underwater high-voltage welding power supplying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200981149Y true CN200981149Y (en) | 2007-11-28 |
Family
ID=38908313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620119341 Expired - Lifetime CN200981149Y (en) | 2006-08-29 | 2006-08-29 | Underwater high-voltage welding power supplying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200981149Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103043194A (en) * | 2013-01-06 | 2013-04-17 | 中铁隧道集团有限公司 | Manned training test chamber and test method for dry welding in hyperbaric environment |
| CN104858530A (en) * | 2015-06-10 | 2015-08-26 | 青岛哈工海洋工程技术有限公司 | Method for transmitting welding current in long distance |
| CN105108286A (en) * | 2015-09-09 | 2015-12-02 | 江苏诚超铝业有限公司 | Welding apparatus of gas metal arc welding under super-gravity environment |
-
2006
- 2006-08-29 CN CN 200620119341 patent/CN200981149Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103043194A (en) * | 2013-01-06 | 2013-04-17 | 中铁隧道集团有限公司 | Manned training test chamber and test method for dry welding in hyperbaric environment |
| CN103043194B (en) * | 2013-01-06 | 2015-04-22 | 中铁隧道集团有限公司 | Manned training test chamber and test method for dry welding in hyperbaric environment |
| CN104858530A (en) * | 2015-06-10 | 2015-08-26 | 青岛哈工海洋工程技术有限公司 | Method for transmitting welding current in long distance |
| CN104858530B (en) * | 2015-06-10 | 2016-06-08 | 青岛哈工海洋工程技术有限公司 | A kind of method of long range propagation welding current |
| CN105108286A (en) * | 2015-09-09 | 2015-12-02 | 江苏诚超铝业有限公司 | Welding apparatus of gas metal arc welding under super-gravity environment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20060829 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |