CN217061569U - Double-nut water-cooled cable - Google Patents
Double-nut water-cooled cable Download PDFInfo
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- CN217061569U CN217061569U CN202220304766.9U CN202220304766U CN217061569U CN 217061569 U CN217061569 U CN 217061569U CN 202220304766 U CN202220304766 U CN 202220304766U CN 217061569 U CN217061569 U CN 217061569U
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- nut
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- joint
- butt joint
- cooled cable
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Abstract
The utility model relates to a two nut water-cooled cable, including the rubber tube, the copper strand wires, the copper joint, first nut, the second nut, first toper cover and second toper cover, the copper joint is installed respectively at the both ends of rubber tube, the copper strand wires sets up in the rubber tube, the both ends of copper strand wires are connected with the copper joint respectively, the one end and the copper strand wires electric connection of copper joint, the other end and the first nut threaded connection of copper joint, set up first toper cover in the copper joint, the front end of first nut sets up butt joint portion, second toper cover sets up in the butt joint portion of first nut, the butt joint portion threaded connection of second nut and first nut, lock the tubular interface of copper joint and submerged arc furnace with first nut and second nut respectively, increase the conductive contact surface in the time of increase locking force, avoid appearing the spike, strike an arc etc., the interior power consumption has been reduced.
Description
Technical Field
The utility model relates to a cable technical field of the combination of stranded bus of hot stove heavy current in ore deposit especially relates to a double nut water-cooled cable.
Background
The water-cooled cable is a hollow water-through cable, is mainly used for some heavy-current equipment, such as a submerged arc furnace, an intermediate frequency furnace, an electric arc furnace, a monocrystalline silicon furnace and the like, is used for special cables of heavy-current heating equipment, is a common water-cooled cable and consists of a cable head, a plurality of copper cables and a rubber protective sleeve, wherein the plurality of copper cables with the same length are assembled through the cable head, and then the outer layer of the copper cables is wrapped by the rubber protective sleeve.
However, the single nut is installed at the cable head of the water-cooled cable in the prior art, the locking force of the water-cooled cable with the structure is insufficient, the conductive contact surface is small, and the water-cooled cable is easy to cause sparking, arcing and large internal power consumption due to the fact that large current is always introduced into the water-cooled cable in use.
SUMMERY OF THE UTILITY MODEL
The present invention provides a double-nut water-cooled cable with strong locking force and large conductive contact area.
A double-nut water-cooled cable comprises a rubber tube, a copper stranded wire and a copper joint, the copper wire is arranged in the rubber tube, the two ends of the copper wire are respectively connected with the copper joint, one end of the copper joint is electrically connected with the copper wire, the other end of the copper joint is in threaded connection with the first nut, the first conical sleeve is arranged in the copper joint, the first conical sleeve is pushed to move in the fastening process of the first nut and the copper joint so that the first conical sleeve and the copper joint are tightly matched to realize sealing, the butt joint part is arranged at the front end of the first nut, the second conical sleeve is arranged in the butt joint part of the first nut, the butt joint part of the second nut and the first nut is in threaded connection, and the second conical sleeve is pushed to move in the fastening process of the second nut and the butt joint part so that the second conical sleeve and the inner wall of the butt joint part are tightly matched to realize sealing.
Preferably, first nut includes first butt joint portion and second butt joint portion, first butt joint portion and second butt joint portion are cylindricly, the external diameter of first butt joint portion is less than the external diameter of second butt joint portion, the internal diameter of first butt joint portion is less than the internal diameter of second butt joint portion, first butt joint portion and second butt joint portion department of being connected form step portion, set up first ring form arch on the front end lateral wall of first toper cover, first toper cover cup joints in the inner wall that the copper connects, the step portion sealing contact of the protruding front end of first ring form and first nut, the protruding rear end of first ring form and the front end sealing contact that the copper connects.
Preferably, the front end of the first annular protrusion is provided with a chamfer, and the step part of the first nut is provided with a chamfer.
Preferably, a second circular bulge is arranged on the outer side wall of the front end of the second conical sleeve, the second conical sleeve is sleeved in the inner wall of the butt joint part of the first nut, the front end of the second circular bulge is in sealing contact with the inner wall of the front end of the second nut, and the rear end of the second circular bulge is in sealing contact with the front end of the first butt joint part.
Preferably, the front end of the second annular protrusion is provided with a chamfer, and the inner side of the front end of the second nut is provided with a chamfer.
Preferably, a sealing element is arranged at the joint of the rubber pipe and the copper joint, and an insulating layer is arranged on the outer side of each copper stranded wire.
Preferably, the copper joint is provided with a mounting hole, the copper strand is provided with a mounting head, and the mounting head of the copper strand is mounted in the mounting hole of the copper joint.
Preferably, an annular groove is formed in the outer side wall of the rubber pipe and is located at the joint of the rubber pipe and the copper joint, and a clamp is installed in the annular groove.
Preferably, the copper joint at one side end part of the double-nut water-cooled cable is provided with a cooling liquid inlet pipe and a cooling liquid outlet pipe, and the cooling liquid inlet pipe and the cooling liquid outlet pipe on the same double-nut water-cooled cable are not communicated.
In the double-nut water-cooled cable, the copper connectors at two ends of the double-nut water-cooled cable are respectively sleeved on the outer side wall of the tubular interface of the submerged arc furnace, the first conical sleeve is arranged between the inner wall of the copper connector and the outer wall of the tubular interface of the submerged arc furnace, in the process of rotating the first nut and being in threaded connection with the copper connectors, the first nut pushes the first conical sleeve to move, so that the first conical sleeve seals a gap formed by the mutual sleeving of the inner wall of the copper connector and the inner wall of the tubular interface of the submerged arc furnace, and simultaneously, the copper connector and the tubular interface of the submerged arc furnace are in good electrical contact, the second conical sleeve is arranged between the inner wall of the first butt-joint part and the outer wall of the tubular interface of the submerged arc furnace, and then the second conical sleeve is pushed to move in the process of threaded matching of the second nut and the first nut, so that the second conical sleeve seals a gap formed by the mutual sleeving of the inner wall of the first butt-joint part and the outer wall of the tubular interface of the submerged arc furnace, meanwhile, the first nut is in good electrical contact with the tubular interface of the submerged arc furnace, the area of the electrical contact is increased, the first nut and the second nut are respectively locked with the tubular interface of the submerged arc furnace twice, the locking force is increased, meanwhile, the conductive contact surface is increased, the phenomena of sparking, arcing and the like are avoided, and the internal power consumption is reduced.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a cross-sectional view at a-a in fig. 1.
Fig. 3 is a left side view of the present invention.
Fig. 4 is a perspective view of the copper joint.
Fig. 5 is a perspective view of the first nut.
Fig. 6 is a partially exploded view of the present invention.
In the figure: the double-nut water-cooled cable comprises a double-nut water-cooled cable 10, a rubber tube 1, an annular groove 11, a cooling liquid inlet pipe 12, a cooling liquid outlet pipe 13, a copper stranded wire 2, an installing head 21, a copper joint 3, an installing hole 31, a first nut 4, a first butt joint part 41, a second butt joint part 42, a step part 411, a second nut 5, a first conical sleeve 6, a first annular bulge 61, a second conical sleeve 7, a second annular bulge 71, a sealing element 8 and a clamp 9.
Detailed Description
The following combines the utility model discloses an attached drawing does further elaboration to the technical scheme and the technological effect of utility model embodiment.
Referring to fig. 1 to 6, the double-nut water-cooled cable 10 includes a rubber tube 1, a copper stranded wire 2, two copper connectors 3, a first nut 4, a second nut 5, a first taper sleeve 6 and a second taper sleeve 7, wherein two ends of the rubber tube 1 are respectively provided with one copper connector 3, the copper stranded wire 2 is arranged in the rubber tube 1, tail ends of the two copper connectors 3 are respectively electrically connected with two ends of the copper stranded wire 2, the first nut 4 includes a first butt-joint portion 41 and a second butt-joint portion 42, the first butt-joint portion 41 and the second butt-joint portion 42 are both cylindrical, an outer diameter of the first butt-joint portion 41 is smaller than an outer diameter of the second butt-joint portion 42, an inner diameter of the first butt-joint portion 41 is smaller than an inner diameter of the second butt-joint portion 42, a stepped portion 411 is formed at a connection portion of the first butt-joint portion 41 and the second butt-joint portion 42, an outer thread is arranged on the first butt-joint portion 41, an inner thread is arranged on the second butt-joint portion 42, a front end of the copper connector 3 is in threaded connection with the second butt-joint portion 42 of the first nut 4, a first taper sleeve 6 is arranged in the copper joint 3, the first taper sleeve 6 is pushed to move by a step portion 411 in the fastening process of the first nut 4 and the copper joint 3, the first taper sleeve 6 gradually moves towards the tail portion of the copper joint 3 to enable the first taper sleeve 6 to be tightly matched with the copper joint 3 to achieve sealing, a second taper sleeve 7 is arranged in a first butt-joint portion 41 of the first nut 4, a second nut 5 is in threaded connection with the first butt-joint portion 41 of the first nut 4, and the second nut 5 is pushed by the second nut 5 to move in the fastening process of the second nut 5 and the butt-joint portion 41 to enable the second taper sleeve 7 to be tightly matched with the inner wall of the first butt-joint portion 41 to achieve sealing.
Further, set up first ring form arch 61 on the front end lateral wall of first taper sleeve 6, first taper sleeve 6 cup joints in the inner wall of copper joint 3, the step portion 411 sealing contact of the front end of first ring form arch 61 and first nut 4, the rear end of first ring form arch 61 and the front end sealing contact of copper joint 3, the front end of first ring form arch 61 sets up the chamfer, the step portion 411 of first nut 4 also sets up the chamfer, the chamfer of first ring form arch 61 suits with the chamfer of step portion 411.
Further, a second annular protrusion 71 is arranged on the outer side wall of the front end of the second conical sleeve 7, the second conical sleeve 7 is sleeved in the inner wall of the first butt joint portion 41, the front end of the second annular protrusion 71 is in sealing contact with the inner wall of the front end of the second nut 5, and the rear end of the second annular protrusion 71 is in sealing contact with the front end of the first butt joint portion 41.
Furthermore, the front end of the second annular bulge 71 is provided with a chamfer, the inner side of the front end of the second nut 5 is provided with a chamfer, and the chamfer of the second annular bulge 71 is matched with the chamfer of the second nut 5.
Furthermore, a sealing element 8 is arranged at the joint between the inner wall of the rubber hose 1 and the outer wall of the copper joint 3, and the sealing element 8 can prevent the cooling liquid from leaking from a gap between the inner wall of the rubber hose 1 and the outer wall of the copper joint 3; and an insulating layer is arranged outside each copper stranded wire 2.
Further, the copper joint 3 is provided with a mounting hole 31, the copper strand 2 is provided with a mounting head 21, and the mounting head 21 of the copper strand 2 is mounted in the mounting hole 31 of the copper joint 3, so that the copper joint 3 and the copper strand 2 can be conveniently assembled and connected.
Furthermore, an annular groove 11 is formed in the outer side wall of the rubber tube 1, the annular groove 11 is located at the joint of the rubber tube 1 and the copper connector 3, and a clamp 9 is installed in the annular groove 11.
Furthermore, a cooling liquid inlet pipe 12 and a cooling liquid outlet pipe 13 are arranged on the copper joint 3 at one side end part of the double-nut water-cooled cable 10, the cooling liquid inlet pipe 12 and the cooling liquid outlet pipe 13 on the same double-nut water-cooled cable 10 are not communicated, and the arrangement is convenient for different devices connected with the two ends of the double-nut water-cooled cable 10 to be added with different cooling liquids.
In the double-nut water-cooled cable 10, the copper connectors 3 at two ends of the double-nut water-cooled cable 10 are respectively sleeved on the outer side wall of the tubular interface of the submerged arc furnace, the first conical sleeve 6 is arranged between the inner wall of the copper connector 3 and the outer wall of the tubular interface of the submerged arc furnace, in the process of rotating the first nut 4 to be in threaded connection with the copper connector 3, the first nut 4 pushes the first conical sleeve 6 to move, so that the first conical sleeve 6 seals the gap between the inner wall of the copper connector 3 and the inner wall of the tubular interface of the submerged arc furnace, and simultaneously, the copper connector 3 and the tubular interface of the submerged arc furnace are in good electrical contact, the second conical sleeve 7 is arranged between the inner wall of the first butt-joint part 41 and the outer wall of the tubular interface of the submerged arc furnace, and then the second conical sleeve 7 is pushed to move in the process of threaded matching between the second nut 5 and the first nut 4, so that the second conical sleeve 7 seals the gap between the inner wall of the first butt-joint part 41 and the wall of the tubular interface of the submerged arc furnace, meanwhile, the first nut 4 is in good electrical contact with the tubular interface of the submerged arc furnace, the area of the electrical contact is increased, the first nut 4 and the second nut 5 are respectively locked with the tubular interface of the submerged arc furnace twice, the locking force is increased, meanwhile, the conductive contact surface is increased, the phenomena of sparking, arcing and the like are avoided, and the internal power consumption is reduced.
Claims (9)
1. A double-nut water-cooled cable is characterized in that: the sealing device comprises a rubber tube, a copper stranded wire, a copper joint, a first nut, a second nut, a first conical sleeve and a second conical sleeve, wherein the copper joint is respectively installed at two ends of the rubber tube, the copper stranded wire is arranged in the rubber tube, the two ends of the copper stranded wire are respectively connected with the copper joint, one end of the copper joint is electrically connected with the copper stranded wire, the other end of the copper joint is in threaded connection with the first nut, the first conical sleeve is arranged in the copper joint, the first conical sleeve is pushed to move in the fastening process of the first nut and the copper joint so that the first conical sleeve and the copper joint are tightly matched to realize sealing, the butt joint part is arranged at the front end of the first nut, the second conical sleeve is arranged in the butt joint part of the first nut, the butt joint part of the second nut and the first nut is in threaded connection, and the second conical sleeve is pushed to move in the fastening process of the second nut and the butt joint part so that the second conical sleeve and the inner wall of the butt joint part are tightly matched to realize sealing.
2. A double nut water cooled cable as defined in claim 1 wherein: first nut includes first butt joint portion and second butt joint portion, first butt joint portion and second butt joint portion are cylindricly, the external diameter of first butt joint portion is less than the external diameter of second butt joint portion, the internal diameter of first butt joint portion is less than the internal diameter of second butt joint portion, first butt joint portion and second butt joint portion are connected the department and are formed the step portion, set up first ring form arch on the front end lateral wall of first taper sleeve, first taper sleeve cup joints in copper joint's inner wall, the protruding front end of first ring form and the step portion sealing contact of first nut, the protruding rear end of first ring form and the front end sealing contact of copper joint.
3. A double nut water cooled cable as defined in claim 2 wherein: the front end of the first circular bulge is provided with a chamfer, and the step part of the first nut is provided with a chamfer.
4. A double nut water cooled cable as defined in claim 3 in which: the outer side wall of the front end of the second conical sleeve is provided with a second circular-ring-shaped bulge, the second conical sleeve is sleeved on the inner wall of the butt joint part of the first nut, the front end of the second circular-ring-shaped bulge is in sealing contact with the inner wall of the front end of the second nut, and the rear end of the second circular-ring-shaped bulge is in sealing contact with the front end of the first butt joint part.
5. A double nut water cooled cable as defined in claim 4 wherein: the front end of the second circular bulge is provided with a chamfer, and the inner side of the front end of the second nut is provided with a chamfer.
6. A double nut water cooled cable as defined in claim 5 wherein: the joint of the rubber tube and the copper joint is provided with a sealing element, and the outer side of each copper stranded wire is provided with an insulating layer.
7. A double nut water cooled cable as defined in claim 6 wherein: the copper joint is provided with a mounting hole, the copper strand is provided with a mounting head, and the mounting head of the copper strand is mounted in the mounting hole of the copper joint.
8. A double nut water cooled cable as defined in claim 7 in which: the outer side wall of the rubber tube is provided with an annular groove, the annular groove is positioned at the joint of the rubber tube and the copper joint, and the hoop is arranged in the annular groove.
9. A double nut water cooled cable as defined in claim 8, wherein: and a cooling liquid inlet pipe and a cooling liquid outlet pipe are arranged at the copper joint at one side end part of the double-nut water-cooled cable, and the cooling liquid inlet pipe and the cooling liquid outlet pipe on the same double-nut water-cooled cable are not communicated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220304766.9U CN217061569U (en) | 2022-02-15 | 2022-02-15 | Double-nut water-cooled cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220304766.9U CN217061569U (en) | 2022-02-15 | 2022-02-15 | Double-nut water-cooled cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217061569U true CN217061569U (en) | 2022-07-26 |
Family
ID=82484340
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220304766.9U Active CN217061569U (en) | 2022-02-15 | 2022-02-15 | Double-nut water-cooled cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217061569U (en) |
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2022
- 2022-02-15 CN CN202220304766.9U patent/CN217061569U/en active Active
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