CN210458250U - Coupling device - Google Patents
Coupling device Download PDFInfo
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- CN210458250U CN210458250U CN201921329921.7U CN201921329921U CN210458250U CN 210458250 U CN210458250 U CN 210458250U CN 201921329921 U CN201921329921 U CN 201921329921U CN 210458250 U CN210458250 U CN 210458250U
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- cross arm
- refining furnace
- double
- screw
- fixing frame
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Abstract
The utility model discloses a coupling device, the device is applied to the refining furnace xarm, the device includes: the refining furnace comprises a double-headed screw, a fixing frame, a nut and a bolt, wherein one end of the double-headed screw is connected with the inside of a cross arm of the refining furnace, and the other end of the double-headed screw is positioned outside the cross arm of the refining furnace; the fixing frame is positioned at one end of the double-head screw rod positioned outside the cross arm of the refining furnace and is connected with the cross arm of the refining furnace; the nut and the double-end screw are positioned at one end of the fixing frame far away from the cross arm of the refining furnace and are connected with the double-end screw; the bolt is connected with the nut to fix the cross arm of the refining furnace. The technical problems that the existing cross arm is limited in connection strength, large in shaking, high in cracking risk and capable of influencing normal production of equipment are solved. The cross arm has the advantages of effectively improving the connection strength of the cross arm and the shaking phenomenon of the cross arm, improving the stability of the cross arm in the refining process, avoiding connection cracking, prolonging the service life of the cross arm, reducing the failure rate of equipment, ensuring production, improving yield and having simple and effective technical effects.
Description
Technical Field
The invention relates to the technical field of steel-making refining equipment, in particular to a connecting device.
Background
The electrode cross arm is made of a copper-steel composite plate or an aluminum-steel composite plate, the cross section of the electrode cross arm is rectangular, water is filled in the electrode cross arm for cooling, and a plurality of insulation links among a water-cooling conductive copper pipe, an electrode chuck and the cross arm are eliminated, so that the structure of the cross arm is greatly simplified. Is the core equipment of the ladle refining furnace and is also the key point for the normal operation of the whole ladle furnace. The cross arm is always in up-and-down reciprocating motion in the refining process of the refining furnace, the shake is large, the shake phenomenon influences production and yield, and under the background that the use of the ladle refining furnace is more and more frequent, how to improve the stability of refining furnace equipment is urgent.
However, the applicant has found that the above prior art has at least the following technical problems:
the existing cross arm has limited connection strength, causes great shaking, has cracking risk and affects the normal production of equipment.
Disclosure of Invention
The invention provides a connecting device, which solves the technical problems that the existing cross arm is limited in connecting strength, large in shaking, high in cracking risk and influenced in normal production of equipment.
The invention provides a connecting device, which is applied to a cross arm of a refining furnace and comprises: one end of the double-head screw is connected with the interior of the cross arm of the refining furnace, and the other end of the double-head screw is positioned outside the cross arm of the refining furnace; the fixing frame is positioned at one end, positioned outside the cross arm of the refining furnace, of the double-head screw and is connected with the cross arm of the refining furnace; the nut and the double-end screw are positioned at one end of the fixing frame, which is far away from the cross arm of the refining furnace, and are connected with the double-end screw; and the bolt is connected with the nut and used for fixing the cross arm of the refining furnace.
Preferably, the apparatus further comprises: a first insulating plate located between the refining furnace cross arm and the mount.
Preferably, the apparatus further comprises: and the insulating sleeve is sleeved on the periphery of the double-end screw rod.
Preferably, the apparatus further comprises: the flat washer is sleeved on the periphery of the double-end screw, and is connected with one end of the cross arm of the refining furnace, which is far away from the fixing frame.
Preferably, the apparatus further comprises: and the insulating pipe is positioned on the periphery of the double-end screw and is connected with one end of the fixing frame far away from the cross arm of the refining furnace.
Preferably, the apparatus further comprises: a second insulating plate located between the nut and the bolt.
Preferably, the apparatus further comprises: and the insulating cap is sleeved on the bolt.
Preferably, the bolt and the nut are matched with the double-end screw.
Preferably, the bolt is a hexagon head bolt, and the nut is a hexagon head nut.
Preferably, the fixing frame includes: one end of the first fixing frame is positioned on one side of the double-head screw rod outside the cross arm and is connected with the outer side of the cross arm of the refining furnace; and one end of the second fixing frame is positioned at the other side of the double-end screw rod, which is positioned on the outer wall of the cross arm of the refining furnace, is opposite to the first fixing frame, and is connected with the outer side of the cross arm of the refining furnace.
One or more technical solutions in the embodiments of the present invention at least have one or more of the following technical effects:
the embodiment of the invention provides a connecting device, which is applied to a cross arm of a refining furnace and comprises: one end of the double-head screw is connected with the interior of the cross arm of the refining furnace, and the other end of the double-head screw is positioned outside the cross arm of the refining furnace; the fixing frame is positioned at one end, positioned outside the cross arm of the refining furnace, of the double-head screw and is connected with the cross arm of the refining furnace; the nut and the double-end screw are positioned at one end of the fixing frame, which is far away from the cross arm of the refining furnace, and are connected with the double-end screw; the bolt, the bolt with the nut is connected, and is right the refining furnace xarm is fixed, and fastening effect is good, has reached the shake phenomenon of effectively improving the joint strength of xarm and xarm, improves the stability of xarm in refining process, avoids the joint to split, prolongs the life of xarm, reduces equipment failure rate, has ensured production, has improved output, and the effectual technological effect of simple structure. Thereby solved current xarm hookup intensity limited, caused the shake great, there is the risk of fracture, influenced the technical problem of the normal production of equipment.
The foregoing description is only an overview of the technical solutions of the present invention, and the embodiments of the present invention are described below in order to make the technical means of the present invention more clearly understood and to make the above and other objects, features, and advantages of the present invention more clearly understandable.
Drawings
FIG. 1 is a schematic structural view of a coupling device according to an embodiment of the present invention;
fig. 2 is a schematic view of the installation of a coupling device according to an embodiment of the invention.
Description of reference numerals: the insulation structure comprises a double-headed screw 1, a fixing frame 2, a nut 3, a bolt 4, a first insulation plate 5, an insulation sleeve 6, a flat washer 7, a second insulation plate 8 and an insulation cap 9.
Detailed Description
The embodiment of the invention provides a connecting device, which is used for solving the technical problems that the existing cross arm is limited in connecting strength, large in shaking and high in cracking risk, and normal production of equipment is influenced.
The technical scheme in the embodiment of the invention has the following overall structure:
one end of the double-head screw is connected with the interior of the cross arm of the refining furnace, and the other end of the double-head screw is positioned outside the cross arm of the refining furnace; the fixing frame is positioned at one end, positioned outside the cross arm of the refining furnace, of the double-head screw and is connected with the cross arm of the refining furnace; the nut and the double-end screw are positioned at one end of the fixing frame, which is far away from the cross arm of the refining furnace, and are connected with the double-end screw; and the bolt is connected with the nut and used for fixing the cross arm of the refining furnace. The cross arm has the advantages of effectively improving the connection strength of the cross arm and the shaking phenomenon of the cross arm, improving the stability of the cross arm in the refining process, avoiding connection cracking, prolonging the service life of the cross arm, reducing the failure rate of equipment, ensuring production, improving yield and having simple and effective technical effects.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Fig. 1 is a schematic structural view of a coupling device according to an embodiment of the present invention, and referring to fig. 1, the coupling device according to the present invention is applied to a cross arm of a refining furnace, and the coupling device includes: the device comprises a double-headed screw 1, a fixed frame 2, a nut 3 and a bolt 4.
One end of the double-head screw 1 is connected with the interior of the cross arm of the refining furnace, and the other end of the double-head screw is positioned outside the cross arm of the refining furnace.
The fixing frame 2 is positioned at one end of the double-end screw 1, which is positioned outside the cross arm of the refining furnace, and is connected with the cross arm of the refining furnace.
The nut 3 and the double-end screw 1 are positioned at one end of the fixed frame 2 far away from the cross arm of the refining furnace and are connected with the double-end screw 1.
The bolt 4 is connected with the nut 3 to fix the cross arm of the refining furnace.
Specifically, with reference to fig. 1 and 2, one end of a double-end screw 1 is fixedly connected with a cross arm of a refining furnace, the other end of the double-end screw is arranged outside the cross arm of the refining furnace, the double-end screw 1 is a screw with two ends both being threaded and can be fixedly connected, the length of the screw left outside the cross arm of the refining furnace is larger than that of the screw connected with the inside of the cross arm of the refining furnace, the double-end screw 1 outside the cross arm of the refining furnace is fixedly connected with the cross arm of the refining furnace through a fixing frame 2, a plurality of connecting devices are simultaneously and fixedly connected through the fixing frame 2 during installation and use, as shown in fig. 2, so as to fix the cross arm of the refining furnace, wherein the double-end screw 1 is positioned at the part outside the cross arm of the refining furnace, the upper end of the double-end screw is connected with the fixing frame 2, the lower end, the connecting strength of the cross arm is improved, the shaking imagination of the cross arm is avoided, the production is guaranteed, the yield is improved, the service life of equipment is prolonged, the problem that the existing hoop cracking condition which often occurs when the hoop is used for connecting the cross arm in the prior art is solved, the technical effect of improving the running stability of the equipment is achieved, and therefore the technical problems that the existing cross arm is limited in connecting strength, large in shaking is caused, the risk of cracking exists, and the normal production of the equipment is influenced are solved.
Further, the apparatus further comprises: a first insulating plate 5, wherein the first insulating plate 5 is positioned between the cross arm of the refining furnace and the fixing frame 2.
Further, the apparatus further comprises: and the insulating sleeve 6 is sleeved on the periphery of the double-end screw 1.
Particularly, use mount 2 to fix the outside first insulation board 5 of setting at the refining furnace xarm, double-end screw 1 uses insulating cover 6 to isolate with the 2 junctions of mount to guarantee the normal use of refining furnace xarm, guarantee xarm electrode regulation effect.
Further, the apparatus further comprises: the flat washer 7, the flat washer 7 cover is established 1 periphery of double-end screw, and with the mount 2 is kept away from the one end of refining furnace xarm is connected.
Specifically, a flat washer 7 is used at the junction of the double-headed screw 1 and the nut 3, and the flat washer 7 is generally a thin member of various shapes for reducing friction, preventing leakage, isolating, preventing loosening, or dispersing pressure. Such components are found in many materials and structures for performing similar functions of all types. Due to the material and process limitations of threaded fasteners, the bearing surface of fasteners such as bolts is not large, and therefore washers are used to protect the surfaces of the connected pieces from the compressive stresses of the bearing surfaces. The fastening effect between the double-ended screw 1 and the nut 3 is ensured by the use of the flat washer 7.
Further, the apparatus further comprises: and the insulating tube is positioned at the periphery of the double-end screw 1 and is connected with one end of the fixing frame 2 far away from the cross arm of the refining furnace.
Further, the apparatus further comprises: and the insulating cap 9 is sleeved on the bolt 4, and the insulating cap 9 is sleeved on the bolt 4.
Particularly, keep away from the one end of refining furnace xarm at stud 1, nut 3, flat gasket 7, screw rod 4's periphery use the insulating tube to cup joint, because of stud 1, nut 3, flat gasket 7 all have electric conductivity, through installing the normal use of insulating tube in order to guarantee the xarm additional, avoid causing the influence to xarm electrode regulation effect, insulating cap 9 that insulating material had been used equally in the bottom of bolt 4 carries out insulation protection to the bolt head, guarantees the normal use of refining furnace xarm.
Further, the apparatus further comprises: a second insulating plate 8, said second insulating plate 8 being located between said nut 3 and said bolt 4.
Particularly, utilize bolt 4 to fasten second insulation board 8, bolt 4 carries out fixed connection with stud 1, and rethread nut 3 fastens to guarantee to the fixed effect of xarm, guarantee its normal use, reduce the shake, avoid appearing because of the equipment trouble that the fracture caused, improve equipment operation's stability.
Further, the bolt 4 and the nut 3 are matched with the double-headed screw 1.
Further, the bolt 4 is a hexagon bolt, and the nut 3 is a hexagon nut.
Further, the fixing frame 2 includes: one end of the first fixing frame is positioned on one side of the double-head screw 1 positioned outside the cross arm and is connected with the outer side of the cross arm of the refining furnace; and one end of the second fixing frame is positioned at the other side, positioned on the outer wall of the cross arm of the refining furnace, of the double-headed screw 1, is opposite to the first fixing frame, and is connected with the outer side of the cross arm of the refining furnace.
Specifically, as shown in fig. 2, the fixing frame 2 is fixedly connected with a plurality of connecting devices at the same time to fasten the cross arm of the refining furnace, so that the stability of the cross arm of the refining furnace is realized, the shaking phenomenon is reduced, and the phenomenon that the cross arm is shaken to cause connection cracking and affect the normal use of the cross arm, cause equipment failure and affect normal production.
One or more technical solutions in the embodiments of the present invention at least have one or more of the following technical effects:
the embodiment of the invention provides a connecting device, which is applied to a cross arm of a refining furnace and comprises: one end of the double-head screw is connected with the interior of the cross arm of the refining furnace, and the other end of the double-head screw is positioned outside the cross arm of the refining furnace; the fixing frame is positioned at one end, positioned outside the cross arm of the refining furnace, of the double-head screw and is connected with the cross arm of the refining furnace; the nut and the double-end screw are positioned at one end of the fixing frame, which is far away from the cross arm of the refining furnace, and are connected with the double-end screw; the bolt, the bolt with the nut is connected, and is right the refining furnace xarm is fixed, and fastening effect is good, has reached the shake phenomenon of effectively improving the joint strength of xarm and xarm, improves the stability of xarm in refining process, avoids the joint to split, prolongs the life of xarm, reduces equipment failure rate, has ensured production, has improved output, and the effectual technological effect of simple structure. Thereby solved current xarm hookup intensity limited, caused the shake great, there is the risk of fracture, influenced the technical problem of the normal production of equipment.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various modifications and variations can be made in the embodiments of the present invention without departing from the spirit or scope of the embodiments of the invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to encompass such modifications and variations.
Claims (10)
1. A coupling device for use with a cross arm of a finer, the device comprising:
one end of the double-head screw is connected with the interior of the cross arm of the refining furnace, and the other end of the double-head screw is positioned outside the cross arm of the refining furnace;
the fixing frame is positioned at one end, positioned outside the cross arm of the refining furnace, of the double-head screw and is connected with the cross arm of the refining furnace;
the nut and the double-end screw are positioned at one end of the fixing frame, which is far away from the cross arm of the refining furnace, and are connected with the double-end screw;
and the bolt is connected with the nut and used for fixing the cross arm of the refining furnace.
2. The apparatus of claim 1, wherein the apparatus further comprises:
a first insulating plate located between the refining furnace cross arm and the mount.
3. The apparatus of claim 1, wherein the apparatus further comprises:
and the insulating sleeve is sleeved on the periphery of the double-end screw rod.
4. The apparatus of claim 1, wherein the apparatus further comprises:
the flat washer is sleeved on the periphery of the double-end screw, and is connected with one end of the cross arm of the refining furnace, which is far away from the fixing frame.
5. The apparatus of claim 1, wherein the apparatus further comprises:
and the insulating pipe is positioned on the periphery of the double-end screw and is connected with one end of the fixing frame far away from the cross arm of the refining furnace.
6. The apparatus of claim 1, wherein the apparatus further comprises:
a second insulating plate located between the nut and the bolt.
7. The apparatus of claim 6, wherein the apparatus further comprises:
and the insulating cap is sleeved on the bolt.
8. The apparatus of claim 1, wherein the bolt and nut mate with the double-ended screw.
9. The device of claim 1, wherein the bolt is a hex headed bolt and the nut is a hex headed nut.
10. The apparatus of claim 1, wherein the fixture comprises:
one end of the first fixing frame is positioned on one side of the double-head screw rod outside the cross arm and is connected with the outer side of the cross arm of the refining furnace;
and one end of the second fixing frame is positioned at the other side of the double-end screw rod, which is positioned on the outer wall of the cross arm of the refining furnace, is opposite to the first fixing frame, and is connected with the outer side of the cross arm of the refining furnace.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921329921.7U CN210458250U (en) | 2019-08-16 | 2019-08-16 | Coupling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921329921.7U CN210458250U (en) | 2019-08-16 | 2019-08-16 | Coupling device |
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| Publication Number | Publication Date |
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| CN210458250U true CN210458250U (en) | 2020-05-05 |
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| CN201921329921.7U Active CN210458250U (en) | 2019-08-16 | 2019-08-16 | Coupling device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110396570A (en) * | 2019-08-16 | 2019-11-01 | 联峰钢铁（张家港）有限公司 | A kind of coupling arrangement |
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2019
- 2019-08-16 CN CN201921329921.7U patent/CN210458250U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110396570A (en) * | 2019-08-16 | 2019-11-01 | 联峰钢铁（张家港）有限公司 | A kind of coupling arrangement |
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