CN215638711U - Left-right exchange edge conductive cross arm capable of being mutually standby - Google Patents
Left-right exchange edge conductive cross arm capable of being mutually standby Download PDFInfo
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- CN215638711U CN215638711U CN202121390182.XU CN202121390182U CN215638711U CN 215638711 U CN215638711 U CN 215638711U CN 202121390182 U CN202121390182 U CN 202121390182U CN 215638711 U CN215638711 U CN 215638711U
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- Prior art keywords
- cross arm
- reversing
- cooling water
- pipe joint
- hydraulic oil
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- 239000000498 cooling water Substances 0.000 claims abstract description 79
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 26
- 238000001816 cooling Methods 0.000 claims abstract description 24
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910052802 copper Inorganic materials 0.000 claims abstract description 13
- 239000010949 copper Substances 0.000 claims abstract description 13
- 238000009434 installation Methods 0.000 claims abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 230000009286 beneficial effect Effects 0.000 abstract description 7
- 238000007670 refining Methods 0.000 abstract description 4
- 238000010891 electric arc Methods 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 1
- 230000002500 effect on skin Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
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Abstract
A left and right interchangeable side conductive cross arm capable of being mutually standby belongs to the technical field of ultrahigh power electric arc furnace equipment, and is used for refining outside a furnace and can be mutually standby by being interchanged left and right. The technical scheme is as follows: the electrode copper chuck, the electrode, the clamping cylinder and the pull ring are positioned at the front part of the cross arm, the cooling water pipe and the hydraulic oil pipe are respectively installed in an inner cavity of the cross arm, a reversing water-cooling cable connecting hole is additionally arranged at the upper part of the water-cooling cable connecting plate, a reversing cooling water pipe is additionally arranged in the lower cavity of the cross arm, the reversing cooling water pipe is parallel to the original cooling water pipe, a reversing water return pipe joint of the reversing cooling water pipe is additionally arranged below the rear part of the cross arm, the reversing cooling water pipe is connected with the reversing water return pipe joint, reversing electrode installation guide is additionally arranged at the lower part of the front end of the cross arm, and two reversing pull ring bracket fixing holes are additionally arranged at the lower part of the front end of the cross arm. The utility model has simple structure and convenient use, the left side and the right side of the conductive cross arm can be universal, thereby being beneficial to quick maintenance, reducing the capital occupation of spare parts and reducing the production cost of enterprises.
Description
Technical Field
The utility model relates to a side conductive cross arm which is used for external refining and can be interchanged left and right to be standby, belonging to the technical field of ultrahigh power electric arc furnace equipment.
Background
The LF stove electrically conducts the xarm is the important equipment of LF stove, and it adopts hollow cross-section, double-deck copper steel composite sheet, inside logical cooling water's welded formula rectangle structure. The structure greatly reduces the skin effect, reduces the impedance and improves the electric heating efficiency, and the box-shaped structure with the hollow section and the internal water cooling channel greatly enhance the strength of the cross arm, thereby being beneficial to the motion adjustment of the electrode without causing vibration and being beneficial to the stability of electric arc. Compared with the traditional steel pipe type cross arm, the structure has light weight and small inertia, is beneficial to frequent lifting adjustment of the electrode, and has the advantages of convenience in adjustment, small resistance reactance, good three-phase balance, stability in operation and the like. However, the directions of a cooling water pipe, a water-cooling cable connecting plate, an electrode pull ring and a hydraulic pipeline adopted in the electrode cross arm in the prior use are fixed, two side edges are not universal, when faults such as a water path, an internal hydraulic pipeline and a cable connecting plate occur on one side edge cross arm, one side cross arm needs to be detached, a repair factory commissions to repair, on-site production halt waiting is carried out, production is restricted, and production halt accidents are caused. In order to solve the problems of waiting for production stoppage and meeting the demand of on-site production, two refining furnaces need to store two side cross arms respectively, the price of the side cross arm is 230769 yuan, namely, the capital of spare parts is up to 461538 yuan when the refining furnaces are idle on site, and the expenses of personnel, inventory consumption and the like are added, so that the cost of the spare parts is greatly increased, and the production cost of enterprises is increased, and the improvement is very necessary.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing a left and right interchangeable side item conductive cross arm which can be mutually standby, wherein the left and right side items of the conductive cross arm can be universal, thereby being beneficial to quick maintenance, shortening the fault processing time of on-line equipment, reducing the capital occupation of spare parts and reducing the production cost of enterprises.
The technical scheme for solving the technical problems is as follows:
a left and right side-changing conductive cross arm capable of being mutually standby comprises a cross arm, a pull ring, an electrode copper chuck, an electrode, a clamping cylinder, a cooling water pipe, a hydraulic oil pipe, a cross arm cooling water inlet pipe joint, a cross arm cooling water return pipe joint, a cross arm hydraulic oil pipe joint, a water-cooling cable connecting plate, an electrode mounting guide and a pull ring bracket fixing hole, wherein the electrode copper chuck, the electrode, the clamping cylinder and the pull ring are positioned at the front part of the cross arm, the cooling water pipe and the hydraulic oil pipe are respectively arranged in an inner cavity of the cross arm, the cross arm cooling water inlet pipe joint, the cross arm cooling water return pipe joint and the cross arm hydraulic oil pipe joint are respectively arranged on the outer wall of the cross arm, the water-cooling cable connecting plate is fixed on the rear end surface of the cross arm, the water-cooling cable connecting hole is arranged at the lower part of the water-cooling cable connecting plate, the electrode mounting guide is arranged at the upper part of the front end of the cross arm, two pull ring bracket fixing holes are arranged at the left and right sides of the electrode copper chuck at the upper part of the front end of the cross arm, the improved structure is characterized in that a reversing water-cooling cable connecting hole is additionally formed in the upper portion of a water-cooling cable connecting plate, a reversing cooling water pipe is additionally arranged in the lower cavity of the cross arm and is parallel to the cooling water pipe, a reversing water return pipe joint of the reversing cooling water pipe is additionally arranged below the rear portion of the cross arm, the reversing cooling water pipe is connected with the reversing water return pipe joint, a reversing electrode mounting guide is additionally arranged on the lower portion of the front end of the cross arm, and two reversing pull ring bracket fixing holes are additionally formed in the lower portion of the front end of the cross arm.
The improved structure is that a reversing hydraulic oil pipe joint is additionally arranged above the rear part of the cross arm and is connected with the hydraulic oil pipe in the cavity of the cross arm.
The improved conductive transverse arm with the mutually-spare left and right interchangeable sides is characterized in that a reversing chuck cooling water path and a reversing pull ring cooling water path are additionally arranged at the lower part of the front end of the transverse arm.
The left and right interchangeable side conductive cross arm which can be mutually standby is provided with the reversing water return pipe joint, the reversing hydraulic oil pipe joint, the reversing chuck cooling water channel and the reversing pull ring cooling water channel which are all provided with the screw plugs.
The utility model has the beneficial effects that:
the connection mode of the water-cooled cable is changed from the original downward extension mode into the mode that the upper part and the lower part are provided with extension holes, so that the connection direction can be changed; the inlet water and the return water of the cooling water adopt a distribution form of low inlet water and high return water, and the joints are convenient to disassemble and do not interfere with each other; electrode installation direction and advance, the return water joint of circle is drawn to the electrode changes into all to have about the xarm, only dismouting electrode is drawn the circle and is to advancing, return water metal collapsible tube when interchanging about: two pull ring bracket fixing holes on the left side and the right side of the electrode copper chuck are changed into two pull ring bracket fixing holes on the upper part and the lower part of the cross arm, and the brackets can be installed in opposite directions when the left side and the right side are interchanged; the cross arm lower cavity cooling waterway is added, the smoothness of the waterway of the newly modified cross arm lower cavity is ensured, and the thermal resistance value of the cross arm is reduced. The overall performance of the cross arm is higher than that of the original cross arm.
The utility model has simple structure and convenient use, the left side and the right side of the conductive cross arm can be universal, thereby being beneficial to quick maintenance, shortening the fault processing time of on-line equipment, reducing the capital occupation of spare parts and reducing the production cost of enterprises.
Drawings
FIG. 1 is a top view of the present invention;
FIG. 2 is a rear elevational view and a front B-directional view of FIG. 1;
FIG. 3 is a view in the direction A of FIG. 1;
FIG. 4 is a bottom view of the present invention;
FIG. 5 is a sectional view A-A of FIG. 4;
fig. 6 is a cross-sectional view C-C of fig. 4.
The figures are labeled as follows: the electrode assembly comprises a cross arm 1, an electrode 2, an electrode copper chuck 3, a clamping cylinder 4, a pull ring 5, a water-cooling cable connecting plate 6, a water-cooling cable connecting plate screw hole 7, an electrode mounting guide 8, a pull ring bracket fixing hole 9, a chuck cooling water channel 10, a pull ring cooling water channel 11, a reversing water-cooling cable connecting hole 12, a cross arm cooling water inlet pipe joint 13, a cross arm cooling water return pipe joint 14, a cross arm hydraulic oil pipe joint 15, a reversing water return pipe joint 16, a reversing hydraulic oil pipe joint 17, a reversing electrode mounting guide 18, a reversing pull ring bracket fixing hole 19, a reversing chuck cooling water channel 20, a reversing pull ring cooling water channel 21, a cooling water pipe 22, a reversing cooling water pipe 23, a plug 24 and a hydraulic oil pipe 25.
Detailed Description
The utility model improves the original conductive cross arm, changes the original conductive cross arm used at one side into the conductive cross arm used at two sides, shortens the fault processing time of on-line equipment, and reduces the fund occupied by spare parts.
Fig. 1, 2, 3 and 4 show that on an original conductive cross arm, an electrode 2, an electrode copper chuck 3, a clamping cylinder 4 and a pull ring 5 are positioned at the front part of the cross arm 1. The cooling water pipe 22 and the hydraulic oil pipe 25 are respectively installed in the inner cavity of the cross arm 1, and the cross arm cooling water inlet pipe joint 13, the cross arm cooling water return pipe joint 14 and the cross arm hydraulic oil pipe joint 15 are respectively installed on the outer wall of the cross arm 1. A water-cooling cable connecting plate 6 is fixed on the rear end face of the cross arm 1, and a water-cooling cable connecting hole 7 is formed in the lower portion of the water-cooling cable connecting plate 6. An electrode installation guide 8 is arranged at the upper part of the front end of the cross arm 1, and two pull ring bracket fixing holes 9 are arranged at the left side and the right side of an electrode copper chuck 3 at the upper part of the front end of the cross arm 1. The pull ring 5 at the upper part of the front end of the cross arm 1 is provided with a pull ring cooling water channel 11. The electrode copper chuck 3 on the upper part of the front end of the cross arm 1 is provided with a chuck cooling water path 10.
Fig. 1, 2, 3 and 4 show that a reversing water-cooled cable connecting hole 12 is additionally arranged at the upper part of a water-cooled cable connecting plate 6, and the added reversing water-cooled cable connecting hole 12 can fix a water-cooled cable when the cross arm 1 is connected in the reversing direction, so that the requirement that the left side and the right side of the cross arm 1 can be universal is met.
As shown in figures 1, 2, 3 and 4, a reversing cooling water pipe 23 is additionally arranged in the lower cavity of the cross arm 1, the reversing cooling water pipe 23 is parallel to the original cooling water pipe 22, a reversing water return pipe joint 16 of the reversing cooling water pipe 23 is additionally arranged below the rear part of the cross arm 1, and the reversing cooling water pipe 23 is connected with the reversing water return pipe joint 16. After the reversing water return joint 16 is added, the reversing cooling water pipe 23 can be used for returning water, and the total water return of the cross arm cooling water after the cross arm 1 is subjected to direction exchange (individual exchange) is met.
Fig. 1, 2, 3 and 4 show that a reversing hydraulic oil pipe joint 17 is added above the rear part of the cross arm 1, and the reversing hydraulic oil pipe joint 17 is connected with a hydraulic oil pipe 25 in a cavity of the cross arm 1. A reversing hydraulic oil pipe joint 17 is added, so that a hydraulic pipeline can be connected after the transverse arm 1 is reversed, and the clamping cylinder 4 is controlled to be opened and closed.
Fig. 1, 2, 3 and 4 show that a commutating electrode installation guide 18 is added at the lower part of the front end of the cross arm 1, and the commutating electrode installation guide 18 can meet the position guide of the contact and slide electrodes after the exchange direction (adjustment) of the cross arm 1.
Fig. 1, 2, 3 and 4 show that two reversing pull ring bracket fixing holes 19 are additionally formed in the lower portion of the front end of the cross arm 1, and the reversing pull ring bracket fixing holes 19 can meet the requirement that the cross arm 1 exchanges directions (changes), support the pull ring 5, guarantee the linear motion of the pull ring 5 and guarantee the centering property of the electrode 2.
Fig. 1, 2, 3 and 4 show that a reversing chuck cooling water path 20 and a reversing pull ring cooling water path 21 are additionally arranged at the lower part of the front end of the cross arm 1, the reversing chuck cooling water path 20 and the reversing pull ring cooling water path 21 are connected with a reversing cooling water pipe 23, and equipment cooling after the direction of the cross arm 1 is changed (changed) is met.
Fig. 1, 2, 3 and 4 show that the reversing water return pipe joint 16, the reversing hydraulic oil pipe joint 17, the reversing chuck cooling water channel 20 and the reversing pull ring cooling water channel 21 are all provided with screw plugs 24 for plugging the pipelines in a standby state.
Fig. 5 shows that a0, b0, c0 and d0 are led from water inlet pipes in the cross arm 1, namely all water inlet pipes at the rear part of the cross arm 1, so as to form an original cooling water circuit, and cooling water enters the cross arm through a0-a 1-electrode pull ring-a 2-. In a newly-added cooling water loop, cooling water enters the cross arm through C0-C1-electrode pull ring-C2, and is standby with the original cooling loop and normally plugged by C1 and C2.
Fig. 6 shows the existing cooling water circuit, b 0-upper front cavity of crossbar-b 1-electrode clamp-b 2-entering inside the crossbar. In a newly-added cooling water loop, cooling water enters the cross arm through d 0-a lower front cavity of the cross arm-d 1-a short connecting pipe-d 2-and is standby with the original cooling loop, and the normal d1 and d2 are short connecting pipes.
One embodiment of the utility model is as follows:
the length of the cross arm 1 is 6220mm, the width is 410mm, and the height is 600 mm;
the diameter of the electrode 2 is 457 mm;
the diameter of the cross arm cooling water inlet pipe joint 13 is 50 mm;
the diameter of the cross arm cooling water return pipe joint 14 is 50 mm;
the diameter of the cross arm hydraulic oil pipe joint 15 is 20 mm;
the diameter of the reversing water return pipe joint 16 is 50 mm;
the diameter of the reversing hydraulic oil pipe joint 17 is 20 mm;
the diameter of the cooling water pipe 22 is 38 mm;
the diameter of the reversing cooling water pipe 23 is 38 mm;
the diameter of the hydraulic oil pipe 25 is 20 mm.
Claims (4)
1. A left-right interchangeable side conductive cross arm capable of being mutually standby comprises a cross arm (1), an electrode (2), an electrode copper chuck (3), a clamping cylinder (4), a pull ring (5), a cooling water pipe (22), a hydraulic oil pipe (25), a cross arm cooling water inlet pipe joint (13), a cross arm cooling water return pipe joint (14), a cross arm hydraulic oil pipe joint (15), a water-cooling cable connecting plate (6), an electrode mounting guide (8) and a pull ring bracket fixing hole (9), wherein the electrode (2), the electrode copper chuck (3), the clamping cylinder (4) and the pull ring (5) are positioned at the front part of the cross arm (1), the cooling water pipe (22) and the hydraulic oil pipe (25) are respectively arranged in an inner cavity of the cross arm (1), the cross arm cooling water inlet pipe joint (13), the cross arm cooling water return pipe joint (14) and the cross arm cooling water pipe joint (15) are respectively arranged on the outer wall of the cross arm (1), be fixed with water-cooling cable connecting plate (6) on the rear end face of xarm (1), there is water-cooling cable connecting hole (7) the lower part of water-cooling cable connecting plate (6), and electrode installation direction (8) are installed to xarm (1) front end upper portion, and electrode copper chuck (3) the left and right sides on xarm (1) front end upper portion have two to draw circle bracket fixed orifices (9), its characterized in that: the upper part of the water-cooled cable connecting plate (6) is additionally provided with a reversing water-cooled cable connecting hole (12), a reversing cooling water pipe (23) is additionally arranged in the lower cavity of the cross arm (1), the reversing cooling water pipe (23) is parallel to the cooling water pipe (22), a reversing water return pipe joint (16) of the reversing cooling water pipe (23) is additionally arranged below the rear part of the cross arm (1), the reversing cooling water pipe (23) is connected with the reversing water return pipe joint (16), a reversing electrode mounting guide (18) is additionally arranged on the lower part of the front end of the cross arm (1), and two reversing pull ring bracket fixing holes (19) are additionally arranged on the lower part of the front end of the cross arm (1).
2. The left and right interchangeable side conductive cross arm of claim 1, wherein: a cross arm hydraulic oil pipe joint (15) is arranged below the rear part of the cross arm (1), the cross arm hydraulic oil pipe joint (15) is connected with a hydraulic oil pipe (25) in the cavity of the cross arm (1), a reversing hydraulic oil pipe joint (17) is additionally arranged above the rear part of the cross arm (1), and the reversing hydraulic oil pipe joint (17) is connected with the hydraulic oil pipe (25) in the cavity of the cross arm (1).
3. The left and right interchangeable side conductive cross arm of claim 1, wherein: the upper part of the front end of the cross arm (1) is provided with a chuck cooling water path (10) and a pull ring cooling water path (11), and the lower part of the front end of the cross arm (1) is additionally provided with a reversing chuck cooling water path (20) and a reversing pull ring cooling water path (21).
4. The left and right interchangeable side conductive cross arm of claim 1, 2 or 3, wherein: the reversing water return pipe joint (16), the reversing hydraulic oil pipe joint (17), the reversing chuck cooling water channel (20) and the reversing pull ring cooling water channel (21) are all provided with screw plugs (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121390182.XU CN215638711U (en) | 2021-06-22 | 2021-06-22 | Left-right exchange edge conductive cross arm capable of being mutually standby |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121390182.XU CN215638711U (en) | 2021-06-22 | 2021-06-22 | Left-right exchange edge conductive cross arm capable of being mutually standby |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215638711U true CN215638711U (en) | 2022-01-25 |
Family
ID=79944546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121390182.XU Expired - Fee Related CN215638711U (en) | 2021-06-22 | 2021-06-22 | Left-right exchange edge conductive cross arm capable of being mutually standby |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215638711U (en) |
-
2021
- 2021-06-22 CN CN202121390182.XU patent/CN215638711U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220125 |
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| CF01 | Termination of patent right due to non-payment of annual fee |