CN215734905U

CN215734905U - Large-current type rotating coaxial water-cooled electrode

Info

Publication number: CN215734905U
Application number: CN202121927037.0U
Authority: CN
Inventors: 王利民; 黄力军; 李盘; 陈舟; 张亚运
Original assignee: Hunan Skyline Smart Material Technology Co ltd
Current assignee: Hunan Skyline Smart Material Technology Co ltd
Priority date: 2021-08-17
Filing date: 2021-08-17
Publication date: 2022-02-01
Anticipated expiration: 2031-08-17

Abstract

The utility model provides a large-current type rotating coaxial water-cooled electrode which comprises an anode and a cathode which are coaxially arranged, wherein the cathode is sleeved on the outer surface of the anode through an insulating sleeve, cooling devices are arranged on the cathode and the anode, and a compensator is arranged at the same end of the anode and the cathode. This scheme simple structure, design benefit, the effectual cooling effect that has improved, further reduction the influence of high temperature to spare part in the electrode, the effectual life who improves the electrode can realize 180 degrees rotations according to the needs that use simultaneously, can be according to the position of the needs rotating electrode that uses, further improvement to the protection effect and the convenient to use of electrode.

Description

Large-current type rotating coaxial water-cooled electrode

Technical Field

The utility model relates to a water-cooled electrode, in particular to a large-current type rotating coaxial water-cooled electrode.

Background

Traditional electrodes, no cooling medium; however, the water-cooled electrode is a port of an industrial furnace (such as a vacuum heat treatment furnace) connected with a heating element assembly in the furnace, and is an essential electric input device for the industrial furnace for electric heating in the furnace or for equipment needing power supply in the furnace. Different kinds of industrial furnaces have different requirements on electrodes, and in some industrial furnaces with sealing performance requirements, the electrodes are required to be opened on a furnace body because the electrodes are installed, so that the sealing performance requirements on the electrodes are also provided, and the sealing performance of the electrodes is directly related to whether the furnaces can meet the index requirements and the working performance of the furnaces. Because the temperature of the vacuum furnace is higher, the electrode is cooled by adopting a water cooling mode, and the traditional electrode has large volume; easy to generate heat and have faults.

Patent No. CN107130214A discloses a rotatable water-cooled electrode device for evaporator, which mainly comprises an electrode rod, a supporting cylinder connected with the electrode rod, a power connection device arranged on the electrode rod, and a mounting assembly arranged on the supporting cylinder and connected with the electrode rod. The electrode rod is arranged as a hollow electrode rod, so that the heat dissipation effect of the electrode rod is effectively improved, and the water cooling device is also arranged in the electrode rod and can well cool the electrode rod, so that the electrode rod realizes automatic cooling in work, insulating and sealing parts in the electrode device are well ensured to be not easily damaged by high temperature, and the service life of the electrode device is greatly prolonged.

But the electrode device has the disadvantages of non-ideal cooling effect, unfavorable use in high-temperature environment, short service life, incapability of realizing rotation in high-temperature environment and selective heating and evacuation.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art and provide a large-current type rotating coaxial water-cooled electrode which is convenient to improve the heat dissipation effect, reduces the damage of high temperature to parts and has long service life.

The technical scheme of the utility model is as follows: the utility model provides a rotatory coaxial water-cooled electrode of heavy current formula, includes the positive pole and the negative pole of coaxial setting, and the negative pole is established at the positive pole surface through insulating ways, all is equipped with cooling device on negative pole and the positive pole, positive pole and negative pole are equipped with the compensator with one end.

The scheme has the advantages that the service life of the electrode is effectively prolonged, the cooling effect is improved, the influence of high temperature on the electrode and parts thereof is reduced, the induction coil works after current is introduced into the medium-frequency induction coil through the compensating block and the anode, and the current flows back through the cathode and the compensating block; the current passes through an anode butt joint intermediate frequency induction coil connected with a compensation block, the current generates a specific eddy current magnetic field after passing through the intermediate frequency induction coil, when the magnetic flux surrounded by a conductor loop changes, an induced potential is generated in the loop, similarly, a conductor in an alternating magnetic field generates an induced potential under the action of electromagnetic induction, an induced current (eddy current) is formed in the conductor, the induced current overcomes the resistance of the conductor to generate joule heat, and the heat is used for heating the conductor to heat and melt the conductor so as to achieve the heating purpose; because the anode and the coil are made of red copper and have resistance, the current generates heat effect through the conductor with the resistance, releases a large amount of heat, so that the temperature is increased rapidly, sealing elements are burnt, and the service life is influenced; a large amount of cooling medium must be introduced among the anode, the coil and the cathode for cooling, so that corresponding parts are protected while heat is taken away; the anode and the cathode/the cathode are separated from the rotary shaft sleeve by an insulating sleeve.

Furthermore, the compensator comprises a left compensator and a right compensator, a left compensation block and a right compensation block are respectively arranged on the left compensator and the right compensator, the left compensation block and the right compensation block are respectively and electrically connected with the anode and the cathode, and the compensation blocks are connected with the induction coil.

Furthermore, the compensator is in a hollow sphere shape, the left compensator penetrates through the anode and is electrically connected with the anode, the right compensator is installed on an insulating sleeve of the anode and is electrically connected with the cathode, and a sealing element is arranged at one end, close to the cathode, of the right compensator.

Furthermore, the insulating sleeve comprises a first insulating sleeve and a second insulating sleeve, the first insulating sleeve is arranged between the anode and the cathode, and the second insulating sleeve is arranged on the outer surface of the cathode. And one end of the first insulating sleeve, which is far away from the compensator, is provided with a supporting accessory for installing the electrode in the utility model.

Furthermore, the cooling device comprises a first cooling jacket and a second cooling jacket which are respectively arranged between the first insulating jacket and the anode and between the second insulating jacket and the cathode, and cooling media circulate in the cooling jackets.

Further, a bearing is arranged on the outer side of the second cooling sleeve through a rotating shaft sleeve. The structure of the utility model can drive the intermediate frequency induction coil to rotate by 0-180 degrees while the electrode rotates, and does not influence the electrifying work of the intermediate frequency induction coil.

Further, the bearing includes no magnetism sleeve, and no magnetism telescopic both ends are equipped with the bearing end cover, are equipped with ball bearing and sealing member between rotatory axle sleeve and the no magnetism sleeve.

Furthermore, one end of the bearing, which is far away from the compensator, is provided with a bearing mounting seat.

The utility model has the following characteristics: this scheme simple structure, design benefit, the effectual cooling effect that has improved, further reduction the influence of high temperature to spare part in the electrode, the effectual life who improves the electrode can realize 180 degrees rotations according to the needs that use simultaneously, can be according to the position of the needs rotating electrode that uses, further improvement to the protection effect and the convenient to use of electrode.

The detailed structure of the present invention will be further described with reference to the accompanying drawings and the detailed description.

Drawings

FIG. 1 is a schematic view of the structure of the present invention;

FIG. 2-is a cross-sectional view of the present invention;

1-anode, 2-first insulating sleeve, 3-support accessory, 4-sealing element, 5-cathode, 6-second insulating sleeve, 7-rotary shaft sleeve, 8-bearing end cover, 9-ball bearing, 10-bearing mounting seat, 11-nonmagnetic sleeve, 12-second cooling sleeve, 13-right compensation block, 14-right compensator, 15-left compensator, 16-left compensation block, 17-first cooling sleeve, 18-induction coil.

Detailed Description

As shown in the attached drawings: the utility model provides a rotatory coaxial water-cooled electrode of heavy current formula, including positive pole 1 and the negative pole 5 of coaxial setting, negative pole 5 is established at positive pole 1 surface through insulating cover, all be equipped with cooling device on negative pole 5 and the positive pole 1, positive pole 1 and negative pole 5 are equipped with the compensator with one end, preferably, the compensator includes left compensator 15 and right compensator 14, be equipped with left compensation piece 16 and right compensation piece 13 on left compensator 15 and the right compensator 14 respectively, positive pole 1 and negative pole 5 are connected to left compensation piece 16 and right compensation piece 13 electricity respectively, medium frequency induction coil 18 is still connected to the compensation piece, the radiating effect is convenient for improve in the setting of compensator. Preferably, the compensator is in a hollow sphere shape, the left compensator 15 penetrates through the anode 1 and is electrically connected with the anode 1, the right compensator 14 is installed on an insulating sleeve of the anode 1 and is electrically connected with the cathode 5, and a sealing element 4 is arranged at one end, close to the cathode 5, of the right compensator 14 and is used for being tightly connected with the compensation block.

In the embodiment, the insulating sleeve comprises a first insulating sleeve 2 and a second insulating sleeve 6, the first insulating sleeve 2 is arranged between the anode 1 and the cathode 5, and the second insulating sleeve 6 is arranged on the outer surface of the cathode 5. One of the end of the first insulating sleeve 2 far away from the compensator is provided with a supporting accessory 3 for installing an electrode, the insulating sleeve is convenient for the flow of current, short circuit is avoided, and meanwhile, the electrode can be protected.

In the embodiment, the cooling device comprises a first cooling jacket 17 and a second cooling jacket 12 which are respectively arranged between the first insulating jacket 2 and the anode 1 and between the second insulating jacket 6 and the cathode 5, and a cooling medium is circulated in the cooling jackets, so that the protection of the electrodes is improved, and the service lives of the electrodes and parts are prevented from being influenced by overhigh temperature in the heating process.

In the embodiment, in order to improve the rotation effect of the electrode and facilitate the rotation for improving the work and the evacuation of the electrode, a bearing is provided outside the second cooling jacket 12 through the rotating shaft sleeve 7. And further, the electrode and the medium-frequency induction coil 18 are driven to rotate by 0-180 degrees while the electrode and the medium-frequency induction coil rotate, and the power-on work of the coil is not influenced. Preferably, the bearing comprises a non-magnetic sleeve 11, bearing end covers 8 are arranged at two ends of the non-magnetic sleeve 11, and a ball bearing 9 and a sealing element 4 are arranged between the rotary shaft sleeve 7 and the non-magnetic sleeve 11; the one end that the compensator was kept away from to the bearing is equipped with bearing mount pad 10, and the installation effect of the bearing of being convenient for combines sealing member 4 simultaneously, and then improves sealed effect.

The scheme effectively prolongs the service life of the electrode, improves the cooling effect, reduces the influence of high temperature on the electrode and parts thereof, leads the induction coil 18 to work after the current passes through the compensating block and the anode 1 and is led into the medium-frequency induction coil 18, and the current flows back through the cathode 5 and the compensating block; the current passes through the anode 1 connected with the compensating block and is butted with the intermediate frequency induction coil 18, the current generates a specific eddy current magnetic field after passing through the intermediate frequency induction coil 18, when the magnetic flux surrounded by a conductor loop changes, an induced potential is generated in the loop, similarly, a conductor in the alternating magnetic field generates an induced potential under the action of electromagnetic induction, an induced current (eddy current) is formed in the conductor, the induced current overcomes the resistance of the conductor to generate joule heat, and the heat is used for heating the conductor to heat and melt the conductor so as to achieve the heating purpose; the anode 1 and the coil are made of red copper and have resistance, and the current generates heat effect through a conductor with the resistance, releases a large amount of heat, so that the temperature is increased rapidly, the sealing element 4 is burnt out, and the service life is influenced; a large amount of cooling medium is introduced among the anode 1, the coil and the cathode 5 for cooling, so that corresponding parts are protected while heat is taken away; the anode 1 and the cathode 5/the cathode 5 and the rotary shaft sleeve 7 are separated by an insulating sleeve, so that the service life of the electrode is prolonged.

The above description is of the preferred embodiment of the present invention and the technical principles applied thereto, and it will be apparent to those skilled in the art that any changes and modifications based on the equivalent changes and simple substitutions of the technical solutions of the present invention are within the protection scope of the present invention without departing from the spirit and scope of the present invention.

Claims

1. The utility model provides a rotatory coaxial water-cooled electrode of heavy current formula, includes the positive pole and the negative pole of coaxial setting, and the negative pole is established at the positive pole surface through insulating ways, all is equipped with cooling device, its characterized in that on negative pole and the positive pole: and the same end of the anode and the cathode is provided with a compensator.

2. A high current rotary coaxial water cooled electrode as claimed in claim 1, wherein: the compensator comprises a left compensator and a right compensator, wherein a left compensation block and a right compensation block are respectively arranged on the left compensator and the right compensator, the left compensation block and the right compensation block are respectively and electrically connected with an anode and a cathode, and the compensation blocks are connected with an induction coil.

3. A high current rotary coaxial water cooled electrode as claimed in claim 2, wherein: the compensator is in a hollow sphere shape, the left compensator penetrates through the anode and is electrically connected with the anode, the right compensator is installed on an insulating sleeve of the anode and is electrically connected with the cathode, and a sealing piece is arranged at one end, close to the cathode, of the right compensator.

4. A high current rotary coaxial water cooled electrode as claimed in claim 1 or 3, wherein: the insulating sleeve comprises a first insulating sleeve and a second insulating sleeve, the first insulating sleeve is arranged between the anode and the cathode, and the second insulating sleeve is arranged on the outer surface of the cathode.

5. A high current rotary coaxial water cooled electrode as claimed in claim 4, wherein: the cooling device comprises a first cooling jacket and a second cooling jacket which are respectively arranged between the first insulating jacket and the anode and between the second insulating jacket and the cathode, and cooling media circulate in the cooling jackets.

6. A high current rotary coaxial water cooled electrode as claimed in claim 5, wherein: and a bearing is arranged on the outer side of the second cooling sleeve through a rotating shaft sleeve.

7. A high current rotary coaxial water cooled electrode as claimed in claim 6, wherein: the bearing comprises a non-magnetic sleeve, bearing end covers are arranged at two ends of the non-magnetic sleeve, and a ball bearing and a sealing element are arranged between the rotating shaft sleeve and the non-magnetic sleeve.

8. A high current rotary coaxial water cooled electrode as claimed in claim 7, wherein: and a bearing mounting seat is arranged at one end of the bearing far away from the compensator.