CN114824984A - High-temperature-resistant cable joint sealing process - Google Patents
High-temperature-resistant cable joint sealing process Download PDFInfo
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- CN114824984A CN114824984A CN202210434445.5A CN202210434445A CN114824984A CN 114824984 A CN114824984 A CN 114824984A CN 202210434445 A CN202210434445 A CN 202210434445A CN 114824984 A CN114824984 A CN 114824984A
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- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000007789 sealing Methods 0.000 title claims abstract description 21
- 230000008569 process Effects 0.000 title claims abstract description 20
- 239000003292 glue Substances 0.000 claims abstract description 62
- 239000004020 conductor Substances 0.000 claims abstract description 19
- 238000004140 cleaning Methods 0.000 claims abstract description 3
- 238000005520 cutting process Methods 0.000 claims description 11
- 239000002390 adhesive tape Substances 0.000 claims description 10
- 238000003756 stirring Methods 0.000 claims description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 3
- 238000005452 bending Methods 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims 1
- 238000002788 crimping Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 5
- 239000004831 Hot glue Substances 0.000 description 4
- 239000000945 filler Substances 0.000 description 4
- 238000009954 braiding Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 229920006335 epoxy glue Polymers 0.000 description 2
- 239000012784 inorganic fiber Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 101100008047 Caenorhabditis elegans cut-3 gene Proteins 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000004382 potting Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000017105 transposition Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/04—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for forming connections by deformation, e.g. crimping tool
- H01R43/048—Crimping apparatus or processes
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
- H01B9/02—Power cables with screens or conductive layers, e.g. for avoiding large potential gradients
- H01B9/024—Power cables with screens or conductive layers, e.g. for avoiding large potential gradients composed of braided metal wire
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/005—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for making dustproof, splashproof, drip-proof, waterproof, or flameproof connection, coupling, or casing
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Cable Accessories (AREA)
Abstract
The invention discloses a high-temperature-resistant cable joint sealing process, which comprises the following steps: fixing and cleaning the outer surface of the cable. And stripping each layer outside the inner sheath to expose the inner sheath. And (4) stripping the conductor insulating layer downwards from the port of the main wire core to expose the conductor with corresponding length. And respectively sleeving the corresponding heat-shrinkable tubes on the outer sheath and the 3 main wire cores. And respectively crimping and fixing corresponding connecting terminals on the 3 main wire cores. Firstly, the heat shrinkable tube on the outer sheath is heat shrunk to form a bell mouth shape with an upward opening. And (5) filling glue into the heat shrink tube on the outer sheath. And heat-shrinkable tubes on the main wire cores. And sheathing the heat shrinkable tube on the main wire core upwards on the wiring terminal, and then performing heat shrinkage from top to bottom to seal the corresponding part of the wiring terminal. The lower part of the heat shrinkable tube is provided with an opening to form a bell mouth shape with a downward opening. And (5) pouring glue into the heat-shrinkable tube on the main wire core. And after the glue is cured, performing thermal shrinkage on the opening of the thermal shrinkage pipe on the outer sheath to close the opening. And performing heat shrinkage on the opening of the heat shrinkage pipe on each main wire core.
Description
Technical Field
The invention relates to the technical field of power cables, in particular to a high-temperature-resistant cable joint sealing process.
Background
In the marine power cable, the wiring terminal of the cabin-penetrating cable is in an open state when the cabin-penetrating cable is connected in the cabin under many conditions, if an accident occurs, the cable is easy to damage and cause leakage, secondly, saturated vapor and other harmful gases easily enter the internal gaps of each structural layer of the cable through the terminal part and are diffused and discharged outwards along the longitudinal direction of the cable to become a leakage source, and therefore the safety boundary of the cabin is damaged. Therefore, the cable is required to have good high-temperature resistance, and the end of the cable penetrating through the cabin needs to be sealed, so that the use safety is improved.
Disclosure of Invention
The invention aims to provide a safe and reliable joint sealing process for a high-temperature-resistant cable.
The basic technical scheme for realizing the purpose of the invention is as follows: a high-temperature-resistant cable joint sealing process comprises the following steps:
the method comprises the following steps: fixing and cleaning the outer surface of the cable.
Step two: and stripping each layer outside the inner sheath to expose the inner sheath.
Step three: and (4) stripping the conductor insulating layer downwards from the port of the main wire core to expose the conductor with corresponding length.
Step four: and respectively sleeving the corresponding heat-shrinkable tubes on the outer sheath and the 3 main wire cores.
Step five: and 3 main wire cores are respectively crimped and fixed with corresponding connecting terminals.
Step six: firstly, the heat shrinkable tube on the outer sheath is heat shrunk to form a bell mouth shape with an upward opening.
Step seven: and (5) filling glue into the heat shrink tube on the outer sheath.
Step eight: and heat-shrinkable tubes on the main wire cores. And sheathing the heat shrinkable tube on the main wire core upwards on the wiring terminal, and then performing heat shrinkage from top to bottom to seal the corresponding part of the wiring terminal. The lower part of the heat shrinkable tube is provided with an opening to form a bell mouth shape with a downward opening.
Step nine: and (5) pouring glue into the heat-shrinkable tube on the main wire core.
Step ten: and after the glue is cured, performing thermal shrinkage on the opening of the thermal shrinkage pipe on the outer sheath to close the opening. And performing heat shrinkage on the opening of the heat shrinkage pipe on each main wire core.
For the convenience of operation and glue filling, the first step comprises the following steps,
step 1.1, one end of the cable is vertically fixed upwards by a clamp 10, and the cable with the length not less than 400mm is reserved above the fixed position of the clamp.
Step 1.2 wiping the outer surface of the cable with alcohol.
In order to ensure the sealing effect between the outer sheath and the inner sheath, the second step comprises the following steps,
and 2.1, marking the position 300mm away from the end of the cable, cutting the outer sheath of the cable by using an art designer, and peeling off the outer sheath.
And 2.2, stripping the third lining layer, and cutting off the third lining layer at the fracture of the outer sheath.
And 2.3, reversely disassembling the cable braided shielding layer to the fracture of the outer sheath, and then binding the cable braided shielding layer on the outer sheath in a downward strip manner.
And 2.4, circularly cutting the first lining layer at the fracture of the outer sheath by using an art knife, and then peeling off the first lining layer.
And 2.5, cutting off the root filling strips at the fracture of the outer sheath.
Furthermore, in the fourth step, each disassembled braided shielding layer is twisted again to form a small braid which is sequentially placed together with the main wire core.
In order to facilitate glue filling, the sixth step comprises the following steps,
and 6.1, measuring 100mm from the broken part of the outer sheath downwards, marking the outer sheath of the cable by using a PVC adhesive tape, wherein the distance from the lower side of the PVC adhesive tape to the broken part of the outer sheath is 100 mm. And then, enabling the lower opening of the heat shrinkable tube to be flush with the lower side of the PVC adhesive tape, and performing heat shrinkage from bottom to top, wherein the lower part of the heat shrinkable tube sleeved on the outer sheath is shrunk by about 20mm, namely, the heat shrinkage is stopped, and the upper part of the heat shrinkable tube is left with an opening to form an upward bell mouth shape with the opening used for glue pouring.
Further: the seventh step includes the following steps of,
and 7.1, fully stirring the glue, standing, and exhausting gas possibly introduced during stirring.
And 7.2, slowly injecting glue into the heat-shrinkable tube from the upper port of the heat-shrinkable tube on the outer sheath by using a needle tube, wherein the injected glue is 15mm away from the upper port of the heat-shrinkable tube. And glue is injected into the heat-shrinkable tube continuously and slowly from one side of the heat-shrinkable tube, so that the air in the heat-shrinkable tube is completely exhausted by the glue.
And 7.3, standing at room temperature for 24 hours until the glue is cured.
In order to facilitate glue filling, the ninth step comprises the following steps,
and 9.1, bending the upper end head of each main wire core downwards to enable the opening of the heat-shrinkable tube on each main wire core to be upward, and slowly injecting glue into the heat-shrinkable tube from the opening of the heat-shrinkable tube by using a needle tube, wherein the injected glue amount is 10mm away from the upper opening of the heat-shrinkable tube. And glue is injected into the heat-shrinkable tube continuously and slowly from one side of the heat-shrinkable tube, so that the air in the heat-shrinkable tube is completely exhausted by the glue.
And 9.2, standing at room temperature for 24 hours until the glue is cured.
The invention has the following beneficial effects: (1) the high-temperature-resistant cable joint sealing process is convenient to operate, saturated steam and other harmful gases can be effectively prevented from diffusing outwards from each structural layer of the cable, and the use safety is greatly improved. (2) In order to facilitate operation and glue filling, one end of the cable is vertically fixed upwards, and air in the heat shrinkage tube is completely discharged under the action of gravity during glue filling. (3) And step two, reserving the braided shielding layer, cutting off the rest structural layers positioned between the inner sheath and the outer sheath, completely covering the cut-off part after glue filling, and wrapping the braided shielding layer in glue water, so that the communication of the structural layers between the inner sheath and the outer sheath is thoroughly blocked, and the braided shielding layer adopts a process mode of braiding small braids, thereby being more beneficial to glue filling sealing and grounding. (4) The two ends of the heat shrink tube are shrunk to form a shuttle shape, so that the glue inside is firmly fixed, and the sealing performance is good. (5) The heat-shrinkable tube has the advantages that the inner wall of the heat-shrinkable tube is coated with the glue, the heat-shrinkable tube has high-temperature and high-pressure resistance, can be easily fused with the two-component epoxy glue CC01, and plays a role in promoting the sealing of the end head. (6) The conductor of the main wire core adopts a compression joint closed terminal process, so that the electrical and mechanical connection can be effectively ensured.
Drawings
Fig. 1 is a schematic structural view of the cable of the present invention.
Fig. 2 is a schematic view of the cable termination after installation of the fixing device.
Figure 3 is a schematic illustration of the inner sheath after stripping of the outer layers.
Fig. 4 is a schematic view after peeling off the outer layer of the cable core.
Fig. 5 is a schematic diagram showing the conductor exposed after stripping the outer layer of each wire core.
FIG. 6 is a schematic diagram of a process for braiding shielding layers.
Fig. 7 is a schematic view of the outer jacket and the main wire core being sheathed with a heat shrinkable tube.
Fig. 8 is a schematic view after the wiring copper terminal is mounted.
FIG. 9 is a schematic view after treating the lower end of the heat shrink tubing on the outer sheath.
FIG. 10 is a schematic view of the heat-shrinkable tube potting compound on the outer sheath.
Fig. 11 is a schematic diagram of the main wire core after one end of the heat shrinkable tube is subjected to heat shrinkage treatment.
FIG. 12 is a schematic view of the glue filling of the heat shrink tube on the main wire core.
FIG. 13 is a schematic view of the other end of the heat shrinkable tube after heat shrinking.
The reference numbers in the drawings are:
a main wire core 1, a conductor 1-1, a conductor insulating layer 1-2,
the inner sheath 2 is provided with a plurality of inner sleeves,
an inner liner layer 3, a first inner liner layer 3-1, a second inner liner layer 3-2, a third inner liner layer 3-3,
the outer jacket 4 is provided with a plurality of,
a filler strip 5, a heat shrink tube 6,
and a terminal 7.
Detailed Description
In order that the present invention may be more readily and clearly understood, a more particular description of the invention briefly described above will be rendered by reference to specific embodiments that are illustrated in the appended drawings. The orientation of the present invention is described in the orientation shown in fig. 1, that is, the front, back, left and right directions shown in fig. 1 are radial directions, and the up and down directions are axial directions. It is to be understood that the terms "upper", "lower", "inner", "outer", and the like, indicate orientations or positional relationships based on the positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention or for simplifying the description, but do not indicate that a particular orientation must be present.
(example 1)
Referring to fig. 1 to 13, a high temperature resistant cable joint sealing process includes the following steps:
the high temperature resistant cable comprises a main wire core 1, an inner sheath 2, an inner liner 3, an outer sheath 4 and a filling strip 5. The main wire core 1 has 3, and the 3 main wire cores 1 have the same structure. The 3 main wire cores 1 are respectively provided with a conductor 1-1 and a conductor insulating layer 1-2 from inside to outside along the respective radial direction. The conductor insulation layer 1-2 is coated outside the conductor 1-1. There are 3 filler strips 5. 3 main sinle silk 1 and 3 packing 5 transposition stranding, inner sheath 2 is crowded package to the back of stranding. The innerliner layer 3 includes a first innerliner layer 3-1 and a second innerliner layer 3-2. The inorganic fiber belt is wound outside the inner sheath 2 to form a first lining layer 3-1, and the lapping rate is 40-50%. The second lining layer 3-2 is braided outside the first lining layer 3-1 by adopting a tinned copper wire to form a braided shielding layer, and the braiding coverage rate of the braided shielding layer is 88-90%. The inorganic fiber belt is wrapped outside the second lining layer 3-2 to form a third lining layer 3-3, and the wrapping covering rate is 40-50%. The outer sheath 4 is extruded outside the third lining layer 3-3.
The method comprises the following steps: see fig. 2, the outer surface of the cable is fixed and cleaned.
Step 1.1, vertically and upwards fixing one end of a cable by using a clamp 10, and reserving a distance d1 above the fixing position of the clamp, wherein the distance d1 is not less than 400 mm.
Step 1.2, wiping the outer surface of the outer sheath of the cable with alcohol after the cable is fixed.
Step two: referring to fig. 3 and 4, the layers outside the inner sheath are stripped away, exposing the inner sheath.
And 2.1, marking a distance d2 from the end of the cable, wherein the distance d2 is not less than 300mm, cutting the outer sheath 4 of the cable by using an art designer knife, and peeling off the outer sheath 4.
And 2.2, stripping the third lining layer 3-3, and cutting off the third lining layer 3-3 at the fracture of the outer sheath 4.
And 2.3, reversely disassembling the cable braided shielding layer to the fracture of the outer sheath 4, and then banding and binding the cable braided shielding layer on the outer sheath 4 downwards.
Step 2.4, the first lining layer 3-1 is circularly cut at the fracture of the outer sheath 4 by an art knife, and then the first lining layer 3-1 is peeled off.
Step 2.5 cut 3 filler strips 5 at the break of the outer sheath 4. The main core 1 cannot be damaged when the first liner layer 3-1 and the filler strip 5 are cut.
Step three: referring to fig. 5, the conductor insulation layer 1-2 is stripped by 35mm from the end of the main wire core 2, and the conductor 1-1 with corresponding length is exposed. The conductor insulating layer 1-2 is stripped off so as not to damage the conductor 1-1.
Step four: referring to fig. 6 and 7, the detached braided shield is again twisted to form a small braid, which is arranged along with the main core 1. The corresponding heat-shrinkable tube 6 is respectively sleeved on the outer sheath 4 and the 3 main wire cores 1, the inner wall of the heat-shrinkable tube 6 is coated with hot melt adhesive, the hot melt adhesive is a plastic high-viscosity agent and can be completely bonded with the glue in a heating state to form a tight sealing film.
Step five: referring to fig. 8, the ends of the conductors 1-1 of the 3 main wire cores 1 are respectively crimped with corresponding connecting terminals 7 by using hydraulic pliers through a crimping closed terminal process to form electrical connection.
Step six: referring to fig. 9, the heat shrinkable tube 6 on the outer sheath 4 is first heat shrunk to form a bell mouth with an upward opening.
And 6.1, measuring 100mm from the fracture of the outer sheath 4 downwards, marking the cable outer sheath 4 by using a PVC adhesive tape, wherein the distance from the lower side of the PVC adhesive tape to the fracture of the outer sheath 4 is 100 mm. And then, enabling the lower opening of the heat shrinkable tube 6 to be flush with the lower side of the PVC adhesive tape (namely, the lower end of the heat shrinkable tube 6 is sleeved outside the PVC adhesive tape), and performing heat shrinkage from bottom to top, wherein the lower part of the heat shrinkable tube 6 sleeved on the outer sheath 4 is shrunk by about 20mm, namely, the heat shrinkage is stopped, the upper part is left with an opening to form an upward bell mouth shape, and the opening is used for glue filling.
Step seven: referring to fig. 10, the heat shrinkable tube 6 on the outer sheath 4 is filled with glue.
And 7.1, fully stirring the glue, standing, and exhausting gas possibly introduced during stirring, wherein the two-component epoxy glue CC01 is adopted in the embodiment.
And 7.2, slowly injecting glue into the heat shrinkable tube 6 from the upper port of the heat shrinkable tube 6 on the outer sheath 4 by using a needle tube, wherein the injected glue amount is about 15mm away from the upper port of the heat shrinkable tube 6. Glue is injected into the heat-shrinkable tube from one side of the heat-shrinkable tube continuously and slowly, so that air in the heat-shrinkable tube 6 is completely exhausted by the glue, and the glue is adhered to the hot melt adhesive on the inner wall of the heat-shrinkable tube 6.
And 7.3, standing at room temperature for 24 hours until the glue is cured.
Step eight: see fig. 11, heat shrink tubing 6 over each of the main cores 1 is heat shrunk. And (3) sleeving the heat-shrinkable tube 6 on the main wire core 1 upwards on the wiring terminal 7, and then performing heat shrinkage for about 10mm from top to bottom to seal the corresponding part of the wiring terminal 7. The lower part of the heat shrinkable tube 6 is provided with an opening to form a bell mouth shape with a downward opening.
Step nine: referring to fig. 12, the heat shrink tube 6 on the main wire core 1 is filled with glue.
And 9.1, bending the upper end of each main wire core 1 downwards to enable the opening of the heat shrinkable tube 6 on the main wire core 1 to be upward, and slowly injecting the glue in the step eight into the heat shrinkable tube 6 from the opening of the heat shrinkable tube 6 by using a needle tube, wherein the injected glue is about 10mm away from the upper opening of the heat shrinkable tube 6. Glue is injected into the heat-shrinkable tube from one side of the heat-shrinkable tube continuously and slowly, so that air in the heat-shrinkable tube 6 is completely exhausted by the glue, and the glue is adhered to the hot melt adhesive on the inner wall of the heat-shrinkable tube 6.
And 9.2, standing at room temperature for 24 hours until the glue is cured.
Step ten: after the glue is cured, the opening of the heat shrinkable tube 6 on the outer sheath 4 is heat shrunk, see fig. 13. And (3) performing thermal shrinkage closing on the opening of the thermal shrinkage tube 6 on each main wire core 1.
The high-temperature-resistant cable joint sealing process provided by the invention has the advantages that each layer is correspondingly treated, so that the end head is completely sealed, and high-temperature and high-pressure gas is effectively prevented from longitudinally diffusing along the cable.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A high-temperature-resistant cable joint sealing process is characterized by comprising the following steps:
the method comprises the following steps: fixing and cleaning the outer surface of the cable;
step two: stripping out each layer outside the inner sheath to expose the inner sheath;
step three: stripping the conductor insulating layer downwards from the port of the main wire core to expose a conductor with a corresponding length;
step four: respectively sleeving the corresponding heat-shrinkable tubes on the outer sheath and the 3 main wire cores;
step five: respectively pressing and fixing corresponding wiring terminals on the 3 main wire cores;
step six: firstly, heat-shrinking a heat-shrinkable tube on the outer sheath to form a bell mouth shape with an upward opening;
step seven: the heat shrink tube on the outer sheath is filled with glue;
step eight: heat-shrinkable tubes on the main wire cores; sheathing the heat-shrinkable tube on the main wire core on the wiring terminal upwards, and then performing heat shrinkage from top to bottom to seal the corresponding part of the wiring terminal; an opening is reserved at the lower part of the heat shrinkable tube to form a bell mouth shape with a downward opening;
step nine: the heat shrink tube on the main wire core is filled with glue;
step ten: after the glue is cured, performing thermal shrinkage on an opening of the thermal shrinkage pipe on the outer sheath to close up; and performing heat shrinkage on the opening of the heat shrinkage pipe on each main wire core.
2. The process of claim 1, wherein the sealing of the high temperature resistant cable joint comprises: the first step comprises the following steps of,
step 1.1, vertically and upwards fixing one end of a cable by using a clamp 10, and reserving the cable with the length of not less than 400mm above the fixed position of the clamp;
step 1.2 wiping the outer surface of the cable with alcohol.
3. The process of claim 1, wherein the sealing of the high temperature resistant cable joint comprises: the second step comprises the following steps of,
step 2.1, marking the position 300mm away from the end of the cable, cutting the outer sheath of the cable by using an art designer, and peeling off the outer sheath;
step 2.2, stripping a third lining layer, and cutting off the third lining layer at the fracture of the outer sheath;
step 2.3, reversely disassembling the cable braided shielding layer to the fracture of the outer sheath, and then binding the cable braided shielding layer on the outer sheath in a downward strip manner;
step 2.4, circularly cutting the first lining layer at the fracture of the outer sheath by an art knife, and then peeling off the first lining layer;
and 2.5, cutting off the root filling strips at the fracture of the outer sheath.
4. The process of claim 1, wherein the sealing of the high temperature resistant cable joint comprises: and in the fourth step, twisting each disassembled braided shielding layer again to form a small braid which is sequentially placed together with the main wire core.
5. The process of claim 1, wherein the sealing of the high temperature resistant cable joint comprises: the sixth step comprises the following steps of,
step 6.1, measuring 100mm from the broken part of the outer sheath downwards, marking the outer sheath of the cable by using a PVC adhesive tape, and enabling the lower side of the PVC adhesive tape to be 100mm away from the broken part of the outer sheath; and then, enabling the lower opening of the heat shrinkable tube to be flush with the lower side of the PVC adhesive tape, and performing heat shrinkage from bottom to top, wherein the lower part of the heat shrinkable tube sleeved on the outer sheath is shrunk by about 20mm, namely, the heat shrinkage is stopped, and the upper part of the heat shrinkable tube is left with an opening to form an upward bell mouth shape with the opening used for glue pouring.
6. The process of claim 1, wherein the sealing of the high temperature resistant cable joint comprises: the seventh step includes the following steps of,
step 7.1, fully stirring the glue, standing, and emptying gas possibly introduced during stirring;
step 7.2, slowly injecting glue into the heat-shrinkable tube from the upper port of the heat-shrinkable tube on the outer sheath by using a needle tube, wherein the injected glue is 15mm away from the upper port of the heat-shrinkable tube; and glue is injected into the heat-shrinkable tube continuously and slowly from one side of the heat-shrinkable tube, so that the air in the heat-shrinkable tube is completely exhausted by the glue, and the glue is cured.
7. The process of claim 1, wherein the sealing of the high temperature resistant cable joint comprises: the step nine includes the following steps of,
step 9.1, bending the upper end heads of the main wire cores downwards to enable the openings of the heat shrinkable tubes on the main wire cores to be upward, and slowly injecting glue into the heat shrinkable tubes from the openings of the heat shrinkable tubes by using a needle tube, wherein the injected glue amount is 10mm away from the upper openings of the heat shrinkable tubes; and glue is injected into the heat-shrinkable tube continuously and slowly from one side of the heat-shrinkable tube, so that the air in the heat-shrinkable tube is completely exhausted by the glue, and the glue is cured.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210434445.5A CN114824984A (en) | 2022-04-24 | 2022-04-24 | High-temperature-resistant cable joint sealing process |
| PCT/CN2022/100013 WO2023206753A1 (en) | 2022-04-24 | 2022-06-21 | High-temperature resistant cable splice sealing process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210434445.5A CN114824984A (en) | 2022-04-24 | 2022-04-24 | High-temperature-resistant cable joint sealing process |
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| CN114824984A true CN114824984A (en) | 2022-07-29 |
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| CN202210434445.5A Pending CN114824984A (en) | 2022-04-24 | 2022-04-24 | High-temperature-resistant cable joint sealing process |
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| WO (1) | WO2023206753A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117690644A (en) * | 2023-12-04 | 2024-03-12 | 上海怡博船务有限公司 | A longitudinal sealing structure and sealing method for trunk cables |
| CN118866467A (en) * | 2024-09-23 | 2024-10-29 | 江苏亨通华海科技股份有限公司 | A kind of hard streamer cable and its production process |
| CN120879297A (en) * | 2025-09-29 | 2025-10-31 | 中国科学院长春光学精密机械与物理研究所 | Net line sealing method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203056334U (en) * | 2013-01-22 | 2013-07-10 | 乐清市日跃机电有限公司 | Generator harness assembly |
| CN105185482A (en) * | 2015-08-06 | 2015-12-23 | 深圳市南士科技股份有限公司 | Manufacturing method of cable having waterproof outer sheath structure |
| CN105226582A (en) * | 2014-06-07 | 2016-01-06 | 国家电网公司 | 35kV pyrocondensation power cable terminal process for making |
| CN105281260A (en) * | 2014-06-07 | 2016-01-27 | 国家电网公司 | 35kV heat shrink power cable intermediate connector manufacturing technology method |
| CN207504194U (en) * | 2017-11-24 | 2018-06-15 | 西安飞机工业（集团）亨通航空电子有限公司 | A kind of waterproof aviation harness |
| CN108365577A (en) * | 2018-02-07 | 2018-08-03 | 江苏亨通高压海缆有限公司 | Manufacturing method of intelligent cable connector capable of wirelessly measuring temperature |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1149611A (en) * | 1966-01-25 | 1969-04-23 | English Electric Co Ltd | Insulation for electric cable |
| JP5188713B2 (en) * | 2006-02-02 | 2013-04-24 | 株式会社オートネットワーク技術研究所 | Shielded wire with drain wire waterproof structure and drain wire waterproof method |
| JP2013017286A (en) * | 2011-07-01 | 2013-01-24 | Sumitomo Wiring Syst Ltd | Waterproofing method and waterproof structure for electric wire terminal splice portion |
| JP2015186296A (en) * | 2014-03-20 | 2015-10-22 | 住友電装株式会社 | Water proof structure of insulation covered cable and wiring harness |
| JP2016009680A (en) * | 2014-06-26 | 2016-01-18 | 矢崎総業株式会社 | Electric wire end water stop structure and electric wire end water stop processing device |
| JP6400350B2 (en) * | 2014-06-27 | 2018-10-03 | 矢崎総業株式会社 | Water stop processing equipment for cable terminals |
| JP6545530B2 (en) * | 2015-05-28 | 2019-07-17 | 田淵電機株式会社 | Terminal connection structure of wire end and manufacturing method thereof |
-
2022
- 2022-04-24 CN CN202210434445.5A patent/CN114824984A/en active Pending
- 2022-06-21 WO PCT/CN2022/100013 patent/WO2023206753A1/en not_active Ceased
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203056334U (en) * | 2013-01-22 | 2013-07-10 | 乐清市日跃机电有限公司 | Generator harness assembly |
| CN105226582A (en) * | 2014-06-07 | 2016-01-06 | 国家电网公司 | 35kV pyrocondensation power cable terminal process for making |
| CN105281260A (en) * | 2014-06-07 | 2016-01-27 | 国家电网公司 | 35kV heat shrink power cable intermediate connector manufacturing technology method |
| CN105185482A (en) * | 2015-08-06 | 2015-12-23 | 深圳市南士科技股份有限公司 | Manufacturing method of cable having waterproof outer sheath structure |
| CN207504194U (en) * | 2017-11-24 | 2018-06-15 | 西安飞机工业（集团）亨通航空电子有限公司 | A kind of waterproof aviation harness |
| CN108365577A (en) * | 2018-02-07 | 2018-08-03 | 江苏亨通高压海缆有限公司 | Manufacturing method of intelligent cable connector capable of wirelessly measuring temperature |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117690644A (en) * | 2023-12-04 | 2024-03-12 | 上海怡博船务有限公司 | A longitudinal sealing structure and sealing method for trunk cables |
| CN118866467A (en) * | 2024-09-23 | 2024-10-29 | 江苏亨通华海科技股份有限公司 | A kind of hard streamer cable and its production process |
| CN118866467B (en) * | 2024-09-23 | 2024-12-27 | 江苏亨通华海科技股份有限公司 | Hard ribbon cable and production process thereof |
| CN120879297A (en) * | 2025-09-29 | 2025-10-31 | 中国科学院长春光学精密机械与物理研究所 | Net line sealing method |
| CN120879297B (en) * | 2025-09-29 | 2025-12-05 | 中国科学院长春光学精密机械与物理研究所 | Net line sealing method |
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|---|---|
| WO2023206753A1 (en) | 2023-11-02 |
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Application publication date: 20220729 |