CN111541195B - Cable butt joint process - Google Patents
Cable butt joint process Download PDFInfo
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- CN111541195B CN111541195B CN202010324260.XA CN202010324260A CN111541195B CN 111541195 B CN111541195 B CN 111541195B CN 202010324260 A CN202010324260 A CN 202010324260A CN 111541195 B CN111541195 B CN 111541195B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/14—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for joining or terminating cables
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/12—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for removing insulation or armouring from cables, e.g. from the end thereof
- H02G1/1202—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for removing insulation or armouring from cables, e.g. from the end thereof by cutting and withdrawing insulation
- H02G1/1204—Hand-held tools
- H02G1/1221—Hand-held tools the cutting element rotating about the wire or cable
- H02G1/1224—Hand-held tools the cutting element rotating about the wire or cable making a transverse cut
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/16—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for repairing insulation or armouring of cables
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Abstract
The invention relates to a cable butt joint process, which comprises stripping core wires from the connecting ends of a first cable and a second cable; cutting a pencil point stress cone on an insulating layer at the end part of the core wire; a semi-conductive pipe is sleeved on the second cable, and a stress pipe is arranged at the end part of the semi-conductive layer outside the insulating layer; connect the external member in the installation of two interconnect's heart yearn tip, connect the external member and include connector and coupling nut, the connecting hole that is used for inserting the heart yearn tip is offered to the one end of connector, be provided with hot melt solder layer on the inner wall of connecting hole, coupling nut's both ends respectively with two connector threaded connection to the screw thread at coupling nut's both ends revolves to opposite, the connector crimping is on the heart yearn to heat to the connector simultaneously and glue between connector and heart yearn after melting hot melt solder. The invention has the effect of improving the connection strength and the electric conductivity of the cable joint position.
Description
Technical Field
The invention relates to the technical field of cable connectors, in particular to a cable butt joint process.
Background
With the development of national economy, long-distance ultrahigh voltage direct current transmission engineering is widely applied in China. Due to the limitation of the manufacturing length of the cable in a factory, the long-distance direct current transmission engineering cable needs to adopt an intermediate joint with excellent quality to connect the short-section cables manufactured in the factory one by one.
The patent application publication No. CN110071409A discloses a method for manufacturing a cable connector, which comprises a butt joint process and a preparation process of the cable connector, wherein the butt joint process of the cable connector comprises the following specific steps: overlapping two sections of cables to be jointed from a fracture, wherein the overlapping length is 200-300 mm, measuring a central line of the overlapping length and marking the central line, and meanwhile, reserving cable sheaths and turning over the cable sheaths to leak out cable cores; processing the core wire until the core wire is exposed, sleeving the core wire with a heat-shrinkable tube, and processing the contact part of the heat-shrinkable tube and the core wire into a pencil head shape; wrapping the stress control tube at the contact part of the heat shrink tube and the wire core, and arranging a shielding copper net on the wire core; clearing core wires, respectively placing heat-shrinkable tube parts of three-strand wire cores of the cable on cable grooves of a press-fitting disc, opening a driving press-fitting motor to enable a press-fitting head to press the heat-shrinkable tubes, processing another section of the cable in the same mode, pressing the cable on the opposite butt-joint device, and pressing the core wires to obtain a press-joint head, namely completing the butt joint of the cable joint.
However, in such a mounting method, when the core wire is crimped, the crimped position is easily separated from the core wire, and the electrical resistance at the crimped position is large.
Disclosure of Invention
The invention aims to provide a cable butt joint process which has the effect of improving the connection strength and the electric conductivity of a cable joint position.
The above object of the present invention is achieved by the following technical solutions:
a cable butt joint process comprises the following steps: step a, stripping core wires from the connecting ends of the first cable and the second cable; cutting a pencil point stress cone on an insulating layer at the end part of the core wire; b, sleeving a heat-shrinkable sleeve and a metal shielding net on the first cable, sleeving a semi-conductive pipe on the second cable, and arranging a stress pipe at the end part of the semi-conductive layer outside the insulating layer; c, installing a connecting external member on the end parts of the two mutually connected core wires, wherein the connecting external member comprises a connector and a connecting nut, one end of the connector is provided with a connecting hole for inserting the end part of the core wire, the inner wall of the connecting hole is provided with a hot-melt solder layer, the two ends of the connecting nut are respectively in threaded connection with the two connectors, the thread turning directions of the two ends of the connecting nut are opposite, the connector is pressed on the core wire, and simultaneously the connector is heated to melt the hot-melt solder and then adhere the hot-melt solder between the connector and the core wire; d, wrapping a semi-conductive adhesive tape at the position where the first cable and the second cable are connected, moving the semi-conductive pipe to the position where the first cable and the second cable are connected, baking, connecting the heat-shrinkable sleeve and the metal shielding net at the position where the first cable and the second cable are connected, and connecting the steel armor layers on the first cable and the second cable through copper wires.
Through adopting the above technical scheme, during the use, install the connector at the tip of heart yearn respectively, be provided with hot melt solder layer in the connecting hole on the connector, when carrying out the crimping with connector and heart yearn, and heat the connector, thereby make the interior hot melt solder material piece layer of connecting hole take place to melt, thereby can with weld between the fine and close distribution in the heart yearn and connector inner wall, the electric conductive property between connector and the heart yearn has been improved, simultaneously because can bond on heart yearn and connector after the hot melt solder layer melts, thereby the joint strength between connector and the heart yearn has been improved.
The invention is further configured to: step e, binding; and c, when the core wires are stripped in the step a, the filling strips on the first cable and the second cable need to be reserved, and the step e comprises the step of binding the filling strips and the core wires by using a yarn belt.
Through adopting above-mentioned technical scheme, adopt the gauze band to ligature simultaneously with filler strip and heart yearn, can make the distance between the heart yearn keep unanimous.
The invention is further configured to: and d, when wrapping the semiconductive adhesive tape in the step d, wrapping the position of the pencil point stress cone by using a cable stress adhesive, wherein the diameter of the wrapped semiconductive adhesive tape is the same as that of the insulating layer.
Through adopting above-mentioned technical scheme, wrap up cable stress glue in the position of pencil stub stress cone, it is the same with the insulating layer diameter after wrapping half layer electric sticky tape simultaneously, can make the pyrocondensation external member when pyrocondensation easy and half layer electric sticky tape, cable stress glue and the space between the pyrocondensation external member less.
The invention is further configured to: and c, after the connector is crimped in the step c, polishing the outer wall of the connector.
Through adopting above-mentioned technical scheme, polish on the outer wall of connector, can clear up the burr that the connector produced at the crimping in-process, reduce point discharge.
The invention is further configured to: and c, mutually abutting the end surfaces of the two connectors in the nut in the step c.
Through adopting above-mentioned technical scheme, the mutual butt of terminal surface that two connectors are located the nut to make two connectors when connecting, can carry out reliable electricity and connect, further improve electric conductive property.
The invention is further configured to: and c, manufacturing the pencil stub stress cone in the step a by adopting a cutting device, wherein the cutting device comprises a positioning component and a cutting component, the cutting component is rotationally connected to the positioning component, and the cutting component rotates around the central line of the core wire on the positioning component.
Through adopting above-mentioned technical scheme, the cutting assembly rotates to be connected on locating component, is carrying out circumference pivoted in-process with the cutting assembly, and the cutting assembly cuts the insulating layer on the heart yearn, makes the lateral wall of pencil stub stress cone more smooth, reduces the damage to the heart yearn in the cutting process simultaneously.
The invention is further configured to: the locating component comprises an annular frame, an adjusting ring and a plurality of adjusting claws, wherein the adjusting claws are evenly distributed on the annular frame along the radial line of the annular frame and point to the center of the annular frame, the adjusting claws are in sliding fit on the annular frame along the length direction of the adjusting claws, the adjusting ring is rotatably connected in the annular frame, and the adjusting ring is connected with the adjusting claws through plane threads.
Through adopting above-mentioned technical scheme, sheathe the tip of annular frame follow heart yearn in, then rotate the adjustable ring, the adjustable ring drives a plurality of regulation claws and is close to the direction of heart yearn simultaneously to can fix a position the heart yearn at the central point of annular frame and put, make things convenient for cutting assembly to cut the heart yearn.
The invention is further configured to: the annular frame is provided with a gear used for driving the adjusting ring to rotate, one surface of the adjusting ring, which faces away from the adjusting claw, is provided with teeth, and the gear is meshed with the teeth.
Through adopting above-mentioned technical scheme, the tooth meshing on gear and the adjustable ring, when the rotating gear, the gear passes through the tooth and drives the adjustable ring rotation to make things convenient for the staff to operate the rotation to the adjustable ring.
The invention is further configured to: the cutting assembly comprises a fixing block, a sliding strip and a cutter, the fixing block is rotatably connected to the annular frame, the sliding strip is in sliding fit with the fixing block, the sliding direction of the sliding strip on the fixing block is perpendicular to the cutting edge of the cutter, and the cutter is fixed to the end of the sliding strip.
Through adopting above-mentioned technical scheme, the fixed block is rotated and is connected on the annular frame, with draw runner sliding fit on the fixed block to the convenient perpendicular to cutter's of slip cutting edge, thereby when cutting pencil stub stress cone, adjust the cutter along draw runner length direction, thereby adjust the depth of cut of cutter.
The invention is further configured to: the fixing block is provided with a guide hole, the sliding strip is in sliding fit in the guide hole, a screw rod is arranged in parallel with the sliding strip, the sliding strip is provided with a half threaded hole, the half threaded hole is in threaded connection with the screw rod, and the end of the screw rod is rotatably connected to the fixing block.
Through adopting above-mentioned technical scheme, set up the guiding hole on the fixed block to set up half screw hole on the draw runner, screw rod threaded connection is downthehole at half screw hole, when rotating the screw rod, and the screw rod is fixed along the length direction of guiding hole, thereby removes the draw runner through the screw rod.
In summary, the invention includes at least one of the following beneficial technical effects:
1. the connector is respectively arranged at the end part of the core wire, the hot-melt solder layer is arranged in the connecting hole on the connector, when the connector is in pressure joint with the core wire, the connector is heated, so that the hot-melt solder block layer in the connecting hole is melted, the welding can be densely distributed in the core wire and between the core wire and the inner wall of the connector, the electric conductivity between the connector and the core wire is improved, and meanwhile, the hot-melt solder layer can be bonded to the core wire and the connector after being melted, so that the connecting strength between the connector and the core wire is improved;
2. the end surfaces of the two connectors in the nut are mutually abutted, so that the two connectors can be reliably electrically connected when being connected, and the conductive performance is further improved;
3. rotate to connect on locating component through cutting assembly, carry out circumference pivoted in-process with cutting assembly, cutting assembly cuts the insulating layer on the heart yearn, makes the lateral wall of pencil stub stress cone more smooth, reduces the damage to the heart yearn in the cutting process simultaneously.
Drawings
FIG. 1 is a schematic overall structure diagram of the first embodiment;
FIG. 2 is a schematic view showing the internal structure of the ring frame according to the first embodiment;
FIG. 3 is a schematic view of a half-section of a cutting assembly according to a first embodiment;
FIG. 4 is a schematic view of the overall structure of the second embodiment;
fig. 5 is a schematic full-sectional structure view of the connecting head in the second embodiment;
fig. 6 is a schematic view of the overall structure of the second embodiment.
In the figure, 1, a cable I; 11. filling the strip; 12. a steel armor layer; 13. a shielding layer; 14. a core wire; 15. an insulating layer; 16. a pencil stub stress cone; 2. a second cable; 3. a heat shrink sleeve; 31. an outer semi-conductive tube; 32. an outer insulating tube; 33. an inner insulating tube; 41. a metal shielding mesh; 42. a stress tube; 43. a yarn belt; 44. a copper wire; 5. a connecting kit; 51. a connector; 52. a connecting nut; 53. a hot-melt solder layer; 54. connecting holes; 6. a positioning assembly; 61. an annular frame; 62. an adjusting claw; 63. a chute; 64. an adjusting ring; 65. a rubber pad; 66. a gear; 67. teeth; 7. a cutting assembly; 71. a fixed block; 72. a slide bar; 73. a cutter; 74. a rotating ring; 75. a guide hole; 76. a half-threaded hole; 77. a screw; 78. a snap ring; 79. and a ring groove.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
First embodiment, referring to fig. 1, a cutting device for a cable butt joint process, which is disclosed by the present invention, is used for cutting an insulating layer 15 on a core wire 14 of a cable, so as to cut a pencil point stress cone 16 on the insulating layer 15, and includes a positioning assembly 6 and a cutting assembly 7, wherein the positioning assembly 6 is fixed on the insulating layer 15, the cutting assembly 7 is rotatably connected to the positioning assembly 6, and a rotation axis of the cutting assembly 7 on the positioning assembly 6 coincides with a center line of the core wire 14, so that when the cutting assembly 7 rotates, the cutting assembly 7 cuts the insulating layer 15 relatively smoothly.
Referring to fig. 1 and 2, the positioning assembly 6 includes an annular frame 61, the annular frame 61 is used for being sleeved on the core wire 14, three adjusting claws 62 are arranged on the annular frame 61, a sliding groove 63 is formed on the annular frame 61, the length direction of the sliding groove 63 is along the radial line direction of the annular frame 61 and points to the center of the annular frame 61, and the adjusting claws 62 are slidably fitted in the sliding groove 63. An adjusting ring 64 is arranged inside the annular frame 61, the adjusting ring 64 is rotatably connected to the annular frame 61, a plane thread is arranged on one surface of the adjusting ring 64, the adjusting claw 62 is connected to one surface of the adjusting ring 64 provided with the plane thread and is in plane thread connection with the adjusting ring 64, when the adjusting ring 64 rotates, the adjusting claw 62 can slide along the length direction of the sliding groove 63, the three adjusting claws 62 are uniformly distributed on the periphery of the annular frame 61, therefore, the three adjusting claws 62 can move towards the direction of the core wire 14 at the same time, and the core wire 14 is clamped and fixed through the adjusting claws 62. A rubber pad 65 is provided at one end of the adjustment claw 62 near the core wire 14, and the friction force between the adjustment claw 62 and the core wire 14 is increased by the provision of the rubber pad 65. Rotate on annular frame 61 and connect at gear 66, the axis of gear 66 sets up with the axis of annular frame 61 is perpendicular, and gear 66 is located the one side that adjusting ring 64 kept away from adjusting claw 62, has seted up tooth 67 on adjusting ring 64, and tooth 67 has a plurality ofly and even circumference to distribute on adjusting ring 64, through gear 66 and tooth 67 meshing, when rotating gear 66, gear 66 drives adjusting ring 64 and rotates to conveniently adjust claw 62 and rotate.
Referring to fig. 2 and 3, the cutting assembly 7 includes a fixed block 71, a slide 72 and a cutter 73, a rotating ring 74 is disposed on the fixed block 71, the rotating ring 74 is rotatably connected to the annular frame 61, the rotating axis of the rotating ring 74 on the annular frame 61 coincides with the central line of the annular frame 61, the fixed block 71 is fixed on the rotating ring 74, so that the fixed block 71 and the rotating ring 74 can rotate simultaneously, and two fixed blocks 71 are symmetrically distributed on the rotating ring 74. A guide hole 75 is formed in the fixed block 71, and the cross section of the guide hole 75 is rectangular, so that the slide 72 is slidably fitted in the guide hole 75. A half threaded hole 76 is formed in the slide bar 72, the half threaded hole 76 is positioned on one side surface of the slide bar 72, the axial direction of the half threaded hole 76 is parallel to the length direction of the slide bar 72, a smooth hole corresponding to the half threaded hole 76 is formed in the inner wall of the guide hole 75, a screw 77 is arranged in the half threaded hole 76, one half of the screw 77 is positioned in the half threaded hole 76 and is in threaded connection with the half threaded hole 76, the other half of the screw 77 is positioned in the smooth hole, a snap ring 78 is arranged at one end of the smooth hole, a circular groove 79 is formed in the end portion of the screw 77, the snap ring 78 is clamped in the circular groove 79, so that the screw 77 is fixed in the length direction of the screw 77, the slide bar 72 can move along the length direction of the screw 77 when the screw 77 rotates, a cutter 73 is fixed at one end, which is positioned close to the core wire 14, of the slide bar 72, the blade of the cutter 73 is arranged at an included angle with the axial line of the core wire 14, and the length direction of the slide bar 72 is perpendicular to the cutter 73, when the cutting assembly 7 is used for cutting the insulation layer 15, the slide bar 72 slides towards the core wire 14, so that the cutter 73 cuts the insulation layer 15 to form the pencil point stress cone 16.
Embodiment two, referring to fig. 4, for the cable butt joint process disclosed by the present invention, including a cable one 1 and a cable two 2, the ends of the cable one 1 and the cable two 2 to be connected are stripped to expose the core wires 14, during the process of stripping the core wires 14 from the cable one 1 and the cable two 2, the filling strips 11 on the first cable 1 and the second cable 2 are reserved, the filling strips 11 are firstly turned outwards to the rear parts of the first cable 1 and the second cable 2, an insulating layer 15 is arranged on each core wire 14 on the first cable 1 and the second cable 2, a pencil point stress cone 16 is cut at a position 50mm-100mm away from the end part of each core wire 14 on the insulating layer 15, when the pencil-point stress cone 16 is cut, the cutting device for the cable butt joint process disclosed by the first embodiment is adopted, so that the outer surface of the pencil-point stress cone 16 is cut smoothly, and meanwhile, the damage to the core wire 14 in the cutting process is reduced.
Referring to fig. 4, a cable 1 is sleeved with a heat-shrinkable sleeve 3, the heat-shrinkable sleeve 3 includes an outer semi-conductive pipe 31, an outer insulating pipe 32 and an inner insulating pipe 33, the diameters of which are from large to small, so that a metal shielding mesh 41 is sleeved outside the outer semi-conductive pipe 31, the cable 2 is sleeved with the semi-conductive pipe, the core wire 14 is cleaned by using a cleaning agent to a semi-conductive layer outside the insulating layer 15, then a stress evacuation tape is wrapped on the end part of the semi-conductive layer outside the insulating layer 15, and a stress pipe 42 is sleeved on the stress evacuation tape, and then the stress pipe 42 is shrunk on the evacuation tape by baking. A connecting sleeve 5 is arranged at the end parts of two core wires 14 oppositely connecting the first cable 1 and the second cable 2, and the two core wires 14 are connected through the connecting sleeve 5.
Referring to fig. 4 and 5, the connection kit 5 includes a connector 51 and a connection nut 52, the connector 51 is cylindrical, a connection hole 54 is formed at one end of the connector 51, the diameter of the connection hole 54 is larger than that of the core wire 14, and a hot-melt solder layer 53, which may be tin solder, is further disposed on the inner wall of the connection hole 54. The depth of the connecting hole 54 is smaller than the length of the end part of the core wire 14, one end of the connecting head 51 with the connecting hole 54 is sleeved on the core wire 14, then the connecting head 51 is pressed into a polygon shape by a pressing way, the connecting head 51 is connected with the core wire 14, meanwhile, the pressing position of the connecting head 51 is heated, the hot melting solder layer 53 is melted, and the hot melting solder is adhered with the core wire 14 and is connected with the connecting head 51 tightly. In the crimping process, the end of the connecting head 51 where the connecting hole 54 is provided is used as a starting point, so that the hot-melt solder can be more closely adhered to the core wire 14 when the crimping is performed in the middle of the connecting head 51. The outer side wall of one end, far away from the connecting hole 54, of the connecting head 51 is provided with threads, two ends of the connecting nut 52 are connected with the two connecting heads 51, the threads at two ends of the connecting nut 52 are oppositely screwed, when the connecting nut 52 is rotated, the two connecting heads 51 simultaneously move towards the middle of the connecting nut 52, the end faces of the two connecting heads 51 positioned in the connecting nut 52 are mutually abutted, and therefore the connecting conductivity of the connecting heads 51 is better. The outer side wall of the connector 51 is polished to reduce burrs on the outer side wall, thereby eliminating the point discharge.
Referring to fig. 6, a semi-conductive adhesive tape is wrapped on the connecting kit 5, meanwhile, a cable stress glue is wrapped at the position of the pencil point stress cone 16, after the semi-conductive adhesive tape is wrapped, the diameter of the wrapping is equal to that of the insulating layer 15, then the semi-conductive pipe on the cable 2 is moved to the position where the cable 1 is connected with the cable 2, the semi-conductive pipe is baked, and during baking, the baking is performed from the middle part to the two ends of the semi-conductive pipe, so that the semi-conductive pipe is tightly wrapped on the semi-cable stress glue and the semi-conductive adhesive tape. And then, sequentially connecting the inner insulating tube 33, the outer insulating tube 32 and the outer semi-conductive tube 31 to the position of the sleeve 5, baking and thermally shrinking, then sleeving the metal shielding net 41 at the connecting part of the first cable 1 and the second cable 2, and soldering and welding two ends of the metal shielding net 41 and the shielding layers 13 on the first cable 1 and the second cable 2. And finally, simultaneously binding the filling strips 11 and the core wires 14 by using a yarn band 43, connecting the steel armors 12 on the first cable 1 and the second cable 2 through a copper wire 44, and moving the outer protective layer to the joint of the first cable 1 and the second cable 2 for baking and thermal shrinkage.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (9)
1. A cable butt joint process is characterized in that: the method comprises the following steps:
step a, stripping a core wire (14) from the connecting end of a first cable (1) and a second cable (2); cutting a pencil point stress cone (16) on an insulating layer (15) at the end part of the core wire (14);
b, sleeving a heat-shrinkable sleeve (3) and a metal shielding net (41) on the first cable (1), sleeving a semi-conductive pipe on the second cable (2), and arranging a stress pipe (42) at the end part of the semi-conductive layer outside the insulating layer (15);
step c, installing a connecting kit (5) at the end parts of two mutually connected core wires (14), wherein the connecting kit (5) comprises a connector (51) and a connecting nut (52), one end of the connector (51) is provided with a connecting hole (54) for inserting the end part of the core wire (14), the inner wall of the connecting hole (54) is provided with a hot-melt solder layer (53), the two ends of the connecting nut (52) are respectively in threaded connection with the two connectors (51), the thread screwing directions of the two ends of the connecting nut (52) are opposite, the connector (51) is pressed on the core wire (14), and the connector (51) is heated simultaneously to melt the hot-melt solder and then adhere between the connector (51) and the core wire (14); the depth of the connecting hole (54) is less than the stripping length of the end part of the core wire (14), and the crimping process is started from one end of the connecting head (51) where the connecting hole (54) is arranged; the end surfaces of the two connectors (51) positioned in the connecting nut (52) are mutually abutted;
d, wrapping a semi-conductive adhesive tape at the connecting position of the first cable (1) and the second cable (2), moving the semi-conductive pipe to the connecting position of the first cable (1) and the second cable (2), baking, connecting the heat-shrinkable sleeve (3) and the metal shielding net (41) at the connecting position of the first cable (1) and the second cable (2), and connecting the steel armor layers (12) on the first cable (1) and the second cable (2) through copper wires (44).
2. A cable splicing process according to claim 1, wherein: step e, binding; and step e, when the core wire (14) is stripped in the step a, the filling strips (11) on the first cable (1) and the second cable (2) need to be reserved, and the filling strips (11) and the core wire (14) are bound by adopting a yarn belt (43) at the same time.
3. A cable splicing process according to claim 1, wherein: when the semi-conductive adhesive tape is wrapped in the step d, the position of the pencil point stress cone (16) needs to be wrapped by cable stress adhesive, and the diameter of the wrapped semi-conductive adhesive tape is the same as that of the insulating layer (15).
4. A cable splicing process according to claim 1, wherein: and c, after the connector (51) is pressed in the step c, polishing the outer wall of the connector (51).
5. A cable splicing process according to claim 1, wherein: the manufacturing method of the pencil point stress cone (16) in the step a adopts a cutting device, the cutting device comprises a positioning component (6) and a cutting component (7), the cutting component (7) is rotatably connected to the positioning component (6), and the cutting component (7) rotates on the positioning component (6) around the central line of the core wire (14).
6. A cable splicing process according to claim 5, wherein: the positioning assembly (6) comprises an annular frame (61), an adjusting ring (64) and a plurality of adjusting claws (62), wherein the adjusting claws (62) point to the center of the annular frame (61) along the radial line of the annular frame (61), the plurality of adjusting claws (62) are uniformly distributed on the annular frame (61) in the circumferential direction, the adjusting claws (62) are in sliding fit on the annular frame (61) along the length direction of the adjusting claws (62), the adjusting ring (64) is rotationally connected in the annular frame (61), and the adjusting ring (64) is in threaded connection with the adjusting claws (62) through planes.
7. A cable splicing process according to claim 6, wherein: the annular frame (61) is provided with a gear (66) for driving the adjusting ring (64) to rotate, one surface of the adjusting ring (64) back to the adjusting claw (62) is provided with teeth (67), and the gear (66) is meshed with the teeth (67).
8. A cable splicing process according to claim 6, wherein: the cutting assembly (7) comprises a fixing block (71), a sliding strip (72) and a cutter (73), the fixing block (71) is rotatably connected to the annular frame (61), the sliding strip (72) is in sliding fit with the fixing block (71), the sliding direction of the sliding strip (72) on the fixing block (71) is perpendicular to the cutting edge of the cutter (73), and the cutter (73) is fixed at the end of the sliding strip (72).
9. A cable splicing process according to claim 8, wherein: the fixing block (71) is provided with a guide hole (75), the sliding strip (72) is in sliding fit in the guide hole (75), a screw rod (77) is arranged in parallel to the sliding strip (72), the sliding strip (72) is provided with a half threaded hole (76), the half threaded hole (76) is in threaded connection with the screw rod (77), and the end of the screw rod (77) is rotatably connected to the fixing block (71).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010324260.XA CN111541195B (en) | 2020-04-22 | 2020-04-22 | Cable butt joint process |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010324260.XA CN111541195B (en) | 2020-04-22 | 2020-04-22 | Cable butt joint process |
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| Publication Number | Publication Date |
|---|---|
| CN111541195A CN111541195A (en) | 2020-08-14 |
| CN111541195B true CN111541195B (en) | 2021-10-22 |
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| CN202010324260.XA Active CN111541195B (en) | 2020-04-22 | 2020-04-22 | Cable butt joint process |
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| CN113451946B (en) * | 2021-08-03 | 2023-01-24 | 广东电网有限责任公司 | Full-automatic cable joint manufacturing tool |
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