CN221946875U - Conductor correction device for crosslinked cable - Google Patents
Conductor correction device for crosslinked cable Download PDFInfo
- Publication number
- CN221946875U CN221946875U CN202420589989.3U CN202420589989U CN221946875U CN 221946875 U CN221946875 U CN 221946875U CN 202420589989 U CN202420589989 U CN 202420589989U CN 221946875 U CN221946875 U CN 221946875U
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- guide wheel
- conductor
- guide
- cross
- correction device
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- 239000004020 conductor Substances 0.000 title claims abstract description 58
- 230000000712 assembly Effects 0.000 claims abstract description 17
- 238000000429 assembly Methods 0.000 claims abstract description 17
- 238000001125 extrusion Methods 0.000 claims description 7
- 238000009413 insulation Methods 0.000 abstract description 5
- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract description 4
- 235000017491 Bambusa tulda Nutrition 0.000 abstract description 4
- 241001330002 Bambuseae Species 0.000 abstract description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract description 4
- 239000011425 bamboo Substances 0.000 abstract description 4
- 230000002093 peripheral effect Effects 0.000 abstract 2
- 239000003292 glue Substances 0.000 description 9
- 230000000149 penetrating effect Effects 0.000 description 6
- 230000015556 catabolic process Effects 0.000 description 4
- 239000004677 Nylon Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229920001778 nylon Polymers 0.000 description 3
- 239000011265 semifinished product Substances 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000005491 wire drawing Methods 0.000 description 1
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- Insulated Conductors (AREA)
Abstract
The utility model discloses a conductor correction device for a crosslinked cable, which is used for three-layer coextrusion of the crosslinked cable and comprises a support frame and a plurality of groups of guide wheel assemblies, wherein the support frame is positioned at a machine head of the three-layer coextrusion equipment of the crosslinked cable, the guide wheel assemblies comprise a fixed frame and guide wheels with two axes arranged in parallel, the guide wheels are arranged on the fixed frame, the peripheral sides of the two guide wheels are opposite and are arranged at intervals to form correction spaces, the peripheral sides of the guide wheels are propped against conductors, the guide wheel assemblies comprise at least two groups of first guide wheel groups and second guide wheel groups which are arranged in a staggered manner, the correction spaces of the guide wheel assemblies are arranged in a straight line along the feeding direction of the machine head, and the conductors of the crosslinked cable sequentially pass through the correction spaces corresponding to the guide wheel assemblies and enter the machine head. The utility model has the advantages that the bent conductor is corrected and straightened before entering the machine head, so that the bamboo joint phenomenon during three-layer coextrusion is avoided, and the user complains; through the clamping action of the guide wheel on the conductor, the shaking of the conductor core is prevented, and the insulation eccentricity is prevented.
Description
Technical Field
The utility model relates to the technical field of crosslinked cable manufacturing equipment, in particular to a conductor correction device for a crosslinked cable.
Background
As the capacity of the power grid increases year by year, the demand of the ultra-high voltage cable gradually develops to a larger section and a higher voltage level, and the crosslinked cable with the rated voltage of 220kV and the conductor section of 2500mm 2 becomes a normalized demand. The insulation extrusion of the high-voltage and ultra-high-voltage cables usually adopts a three-layer co-extrusion mode, and the three-layer structures of the cables share one machine head for simultaneous extrusion. As in the Chinese patent literature, the patent number is CN2013107139519, and the three-layer co-extruder head for rubber crosslinked cables is disclosed in 2014, 4 and 9, and belongs to the technical field of cable production. The machine head comprises a machine head body, wherein an outer shielding layer fluid, an insulating layer fluid and an inner shielding layer fluid are sequentially arranged in the machine head body from the right; the die opening is slidably arranged in the outer shielding layer split body, the die sleeve is slidably arranged in the insulating layer split body, and the die core is slidably arranged in the inner shielding layer split body; the machine head body is sequentially provided with an outer shielding layer glue inlet, an insulating layer glue inlet and an inner shielding layer glue inlet from left to right, the inner shielding layer glue inlet is communicated with an inner glue channel of an inner shielding layer shunt, the insulating layer glue inlet is communicated with an inner glue channel of an insulating layer shunt, and the outer shielding layer glue inlet is communicated with the inner glue channel of an outer shielding layer shunt.
The prior art has the following defects: in the extrusion process of the three-layer co-extrusion cross-linked cable, the defects of bamboo joint, shielding wrinkling, unsmooth appearance and the like can occur due to insufficient straightness of conductors and the existence of jitter, and the problems of cable breakdown, user complaints and the like can be caused. When entering the machine head, the conductor wire core shakes severely, so that the insulation eccentricity is serious; the conductor is eccentric when advancing the aircraft nose and extruding, and semi-conductive nylon area fish tail is serious, leads to the embedded easy breakdown that causes of inner screen.
Disclosure of utility model
The utility model provides a conductor correction device for a crosslinked cable, which aims to overcome the defects in the prior art and improve the quality of three-layer coextrusion production of the crosslinked cable.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
The utility model provides a conductor correcting unit for crosslinked cable three-layer is crowded altogether, including support frame and a plurality of group's guide pulley subassembly, the support frame is located crosslinked cable three-layer and is crowded aircraft nose of equipment altogether, the guide pulley subassembly includes mount and diaxon line parallel arrangement's guide pulley, the guide pulley setting is on the mount, two guide pulley week sides are relative and the interval sets up in order to form correction space, the week side of guide pulley supports the conductor, a plurality of group's guide pulley subassemblies includes at least two sets of first guide pulley group and the second guide pulley group that are the cross setting, the correction space of a plurality of group's guide pulley subassemblies is arranged along aircraft nose feeding direction straight line, the conductor of crosslinked cable gets into the aircraft nose after passing through the correction space that a plurality of group's guide pulley subassemblies correspond in proper order. The conductors are straightened by the conductor correction device before entering the machine head, and the correction spaces corresponding to the plurality of groups of guide wheel groups straighten the conductors from at least two directions, so that the bent conductors are straightened before entering the machine head, the bamboo joint phenomenon during three-layer coextrusion is avoided, and the user complains; the conductor core is prevented from shaking through the clamping action of the guide wheel on the conductor, and the insulation eccentricity is prevented from being scrapped to cause a semi-finished product; the semi-conductive nylon belt is prevented from being damaged due to the fact that the conductor is eccentric, the inner screen is prevented from being embedded, and accordingly cable breakdown is caused.
Preferably, at least one guide wheel in each guide wheel group is arranged on the fixing frame in a sliding manner so as to adjust the interval between the two guide wheels and further match conductors with different sizes. The guide wheel interval can be adjusted according to the thickness of the conductor, so that the conductor can be stably clamped, and the conductor can be stabilized and straightened.
Preferably, the guide wheel assembly comprises a connecting shaft, the fixing frame is provided with a sliding guide rail and a double-head rotating screw rod, the guide wheels are rotationally arranged on the connecting shaft, one end of the connecting shaft is provided with a sliding block, the sliding block is in sliding fit with the sliding guide rail and is in threaded fit with the double-head rotating screw rod, two guide wheels of the guide wheel assembly are respectively corresponding to two ends of the double-head rotating screw rod, and the double-head rotating screw rod is provided with a driving piece for driving the double-head rotating screw rod to rotate. The double-end screw rod can rotate to drive the two sliding blocks to move relatively or reversely along the sliding guide rail, the adjusting efficiency is high, the position of the central axis of the correcting space can be kept unchanged before and after adjustment, and reliable correspondence with the feeding position of the machine head conductor is realized.
Preferably, the driving member is a hand-operated turntable fixed to the double-headed rotating screw. The interval between the two guide wheels is regulated stably by the hand-operated turntable.
Preferably, the guide wheel axis of the first guide wheel set and the guide wheel axis of the second guide wheel set are arranged vertically. The acting force of the two groups of guide wheel groups is uniform, so that reliable correction on two directions of the conductor is formed.
Preferably, the support frame comprises a fixed disc connected with the machine head, a wire penetrating disc fixedly connected with the fixed disc at intervals, a plurality of connecting columns arranged on the wire penetrating disc and a connecting plate bridging the outer ends of the connecting columns, a threading hole is formed in the wire penetrating disc, a fixed plate is arranged between the connecting columns, and the fixed frame is fixed on the fixed plate. The fixed disc and the connecting column are connected through the threading disc, so that the reliable setting of the supporting frame is realized.
Preferably, the connecting plate is L-shaped, the connecting columns are provided with three connecting plates which are distributed on the wire penetrating disc in an isosceles right triangle shape, and the three connecting columns are perpendicular to the connecting plate and are provided with cavities corresponding to the openings of the connecting plate. The guide wheel assembly can be conveniently installed on the support frame through the opening of the cavity.
Preferably, the wire penetrating disc is provided with a hanging ring. The conductor correction device is convenient to install and disassemble.
These features and advantages of the present utility model will be disclosed in detail in the following detailed description and the accompanying drawings.
Drawings
The utility model is further described below with reference to the drawings and specific embodiments.
FIG. 1 is a schematic view of a conductor calibration device for crosslinked cables according to one embodiment of the present utility model;
FIG. 2 is a schematic view of a conductor correcting apparatus for crosslinked cable according to one embodiment of the present utility model when mounted on a handpiece;
FIG. 3 is a top view of the web of the embodiment of FIG. 1;
FIG. 4 is a schematic top view of the first pulley set of the embodiment of FIG. 1;
FIG. 5 is a schematic top view of the second pulley set of the embodiment of FIG. 1;
FIG. 6 is a schematic top view of the wire drawing of the embodiment of FIG. 1;
fig. 7 is a schematic top view of the structure of the fixing plate in the embodiment shown in fig. 1.
In the figure: conductor 1, fixed disk 2, threading dish 3, spliced pole 4, connecting plate 5, through wires hole 6, fixed plate 7, mount 8, sliding guide 9, double-end rotation screw rod 10, slider 11, hand carousel 12, rings 13, guide pulley subassembly 14, guide pulley 15, correction space 16, first guide pulley group 17, second guide pulley group 18, connecting axle 19, aircraft nose 20.
Detailed Description
The technical solutions of the embodiments of the present utility model will be explained and illustrated below with reference to the drawings of the embodiments of the present utility model, but the following embodiments are only preferred embodiments of the present utility model, and not all embodiments. Based on the examples in the implementation manner, other examples obtained by a person skilled in the art without making creative efforts fall within the protection scope of the present utility model.
In the description of the present embodiment, it should be noted that, if terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "front", "rear", and the like are presented, the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, only for convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the indicated apparatus or element must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like, as used herein, are used for descriptive purposes only and are not to be construed as indicating or implying any relative importance.
Referring to fig. 1 to 7, a conductor calibration device for a crosslinked cable according to one embodiment of the present utility model is used for three-layer coextrusion of the crosslinked cable, and includes a support frame and a plurality of groups of guide wheel assemblies 14, wherein the support frame is located at a handpiece 20 of the three-layer coextrusion device for the crosslinked cable, the guide wheel assemblies 14 include a fixing frame 8 and guide wheels 15 with two axes arranged in parallel, the guide wheels 15 are arranged on the fixing frame 8, the circumferential sides of the two guide wheels 15 are opposite and spaced to form a calibration space 16, the circumferential sides of the guide wheels 15 are abutted against a conductor 1, the groups of guide wheel assemblies 14 include at least two groups of first guide wheel groups 17 and second guide wheel groups 18 arranged in a staggered manner, the calibration spaces 16 of the groups of guide wheel assemblies 14 are linearly arranged along a feeding direction of the handpiece 20, and the conductor 1 of the crosslinked cable sequentially passes through the calibration spaces 16 corresponding to the groups of guide wheel assemblies 14 and then enters the handpiece 20.
Straightening the conductor 1 in different directions is achieved through the guide wheel 15 groups which are arranged in a crossed mode, so that the straightness of the conductor 1 entering the three-layer coextrusion equipment head 20 is good, bamboo joint phenomenon is avoided when three layers are coextruded, the conductor 1 wire core is prevented from shaking through the clamping effect of the guide wheels 15 on the conductor 1, insulation eccentricity is prevented, and semi-finished products are prevented from being scrapped; the semi-conductive nylon belt is prevented from being damaged due to the eccentricity of the conductor 1, and the inner screen is prevented from being embedded, so that cable breakdown is caused.
At least one guide wheel 15 in each guide wheel 15 group is arranged on the fixing frame 8 in a sliding way so as to adjust the interval between the two guide wheels 15 and further match conductors 1 with different sizes.
The number of idler assemblies 14 may be three, four, etc. I.e. there may be a third set of guide wheels 15, a fourth set of guide wheels 15, etc. This embodiment takes two kinds as examples. As shown in fig. 1, 2, 4 and 5, the first guide pulley group 17 and the second guide pulley group 18 are arranged at intervals in the vertical direction, and the axis of the guide pulley 15 of the first guide pulley group 17 and the axis of the guide pulley 15 of the second guide pulley group 18 are arranged vertically. The conductors 1 are reliably aligned in two perpendicular directions.
As shown in fig. 4, the guide wheel assembly 14 includes a connecting shaft 19, the fixing frame 8 is provided with a sliding guide 9 and a double-end rotating screw 10, the guide wheels 15 are rotatably arranged on the connecting shaft 19, a cavity is arranged inside the fixing frame 8, the double-end rotating screw 10 is rotatably arranged in the cavity, the sliding guide 9 is positioned at an opening of the cavity, one end of the connecting shaft 19 is provided with a sliding block 11, the sliding block 11 is in sliding fit with the sliding guide 9 and in threaded fit with the double-end rotating screw 10, two guide wheels 15 of the guide wheel assembly 14 are respectively corresponding to two ends of the double-end rotating screw, and the double-end rotating screw 10 is provided with a driving piece for driving the double-end rotating screw 10 to rotate. In this embodiment, the driving member is a hand crank 12 fixed to the double-headed screw 10. The hand-operated turntable 12 can also be replaced by a rotary power element such as a motor.
In this embodiment, the support frame includes the fixed disk 2 that is connected with aircraft nose 20, with fixed disk 2 interval fixed connection's threading dish 3, set up a plurality of spliced poles 4 on threading dish 3 and cross-over connection at the connecting plate 5 of a plurality of spliced pole 4 outer ends, fixed disk 2 and aircraft nose 20 bolt fastening, spliced pole 4 and threading dish 3 bolt fastening, connecting plate 5 and spliced pole 4 bolt fastening. As shown in fig. 3, the connecting plate 5 is L-shaped, and as shown in fig. 1 and 2, the connecting posts 4 are provided with three connecting posts 4 which are distributed on the threading disc 3 in an isosceles right triangle shape, and the three connecting posts 4 are perpendicular to the connecting plate 5 and form a cavity corresponding to the opening of the connecting plate 5. The threading disc 3 is internally provided with a threading hole 6, the diameter of the threading hole 6 is larger than that of the conductor 1 so as to enable the conductor 1 to pass through, and the fixed disc 2 is also provided with a through hole coaxial with the threading hole 6 so as to avoid the conductor 1. A fixing plate 7 is arranged between the adjacent connecting columns 4, and a fixing frame 8 is fixed on the fixing plate 7. Two hanging rings 13 are arranged on the wire penetrating disc 3.
The support frame is equipped with the opening of single direction in the one side that does not set up spliced pole 4, makes things convenient for the assembly and the regulation of first guide pulley group 17, second guide pulley group 18 on the support frame, makes things convenient for the observation position, and rings 13 make things convenient for the hoist and mount assembly of support frame or threading dish 3 and continuous part simultaneously.
The above is only a specific embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and it should be understood by those skilled in the art that the present utility model includes but is not limited to the accompanying drawings and the description of the above specific embodiment. Any modifications which do not depart from the functional and structural principles of the present utility model are intended to be included within the scope of the appended claims.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420589989.3U CN221946875U (en) | 2024-03-25 | 2024-03-25 | Conductor correction device for crosslinked cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420589989.3U CN221946875U (en) | 2024-03-25 | 2024-03-25 | Conductor correction device for crosslinked cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221946875U true CN221946875U (en) | 2024-11-01 |
Family
ID=93242984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420589989.3U Active CN221946875U (en) | 2024-03-25 | 2024-03-25 | Conductor correction device for crosslinked cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221946875U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN120183814A (en) * | 2025-05-23 | 2025-06-20 | 常州市丰国电器有限公司 | A fire-resistant insulated cable refractory material coating device |
-
2024
- 2024-03-25 CN CN202420589989.3U patent/CN221946875U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN120183814A (en) * | 2025-05-23 | 2025-06-20 | 常州市丰国电器有限公司 | A fire-resistant insulated cable refractory material coating device |
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