CN219696124U - Compression-resistant cable - Google Patents
Compression-resistant cable Download PDFInfo
- Publication number
- CN219696124U CN219696124U CN202321106832.2U CN202321106832U CN219696124U CN 219696124 U CN219696124 U CN 219696124U CN 202321106832 U CN202321106832 U CN 202321106832U CN 219696124 U CN219696124 U CN 219696124U
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- Prior art keywords
- plug
- compression
- steel
- cable
- steel band
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- 230000006835 compression Effects 0.000 title claims abstract description 28
- 238000007906 compression Methods 0.000 title claims abstract description 28
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 78
- 239000010959 steel Substances 0.000 claims abstract description 78
- 238000003825 pressing Methods 0.000 claims description 24
- 230000001681 protective effect Effects 0.000 claims description 19
- 238000007789 sealing Methods 0.000 claims description 16
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 4
- 239000010410 layer Substances 0.000 description 22
- 238000004519 manufacturing process Methods 0.000 description 8
- 239000011241 protective layer Substances 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Landscapes
- Cable Accessories (AREA)
Abstract
The utility model relates to a compression-resistant cable, and belongs to the technical field of cables. This include sinle silk subassembly, filling layer, inner liner and outer sheath, the inner liner with be provided with the steel tape armor between the outer sheath, the steel tape armor includes two at least groups steel band, two at least groups the steel band end to end, the one end of steel band is provided with the bayonet joint, the other end of steel band be provided with the bayonet joint grafting complex grafting portion, the grafting portion has the confession the bayonet joint male slot, the tip of steel band is provided with and is used for fixing the bayonet joint with the mounting of grafting portion. The utility model has the effect of improving the steel strip connection efficiency of the steel strip armor.
Description
Technical Field
The utility model relates to the technical field of cables, in particular to a compression-resistant cable.
Background
The cable is an electric energy or signal transmission device, and is usually composed of several wire cores or groups of wire cores, and the cable is commonly used for urban underground power grids, power station outgoing lines, power supply in industrial and mining enterprises and the like.
The structure of general cable includes sinle silk, cladding in the sinle silk cover of sinle silk and the outer sheath that is located the outside in proper order from inside to outside, is provided with the filler between outer sheath and the sinle silk cover. In order to reduce the probability of damage to the cable from external pressure, a steel tape armor is also arranged between the filler and the outer protective layer. The steel tape armouring of a cable is typically carried out by a steel tape armouring machine by wrapping two steel tapes around the outer sheath along the axis of the cable. When one set of steel strips is fully wrapped, another set of steel strips needs to be connected to the ends of the last set of steel strips. The existing connection mode of two groups of steel belts is usually welded and fixed, and the body of a cable is easily influenced during welding, so that the welding requirement is high, the welding time is long, and the processing production efficiency of steel belt armor is low.
Disclosure of Invention
In order to facilitate connection of two groups of steel belts during steel belt armor of a cable, the utility model provides a compression-resistant cable.
The utility model provides a compression-resistant cable which adopts the following technical scheme:
the utility model provides a resistance to compression cable, includes sinle silk subassembly, filling layer, inner liner and outer sheath, the inner liner with be provided with the steel tape armor between the outer sheath, the steel tape armor includes two at least groups steel band, two at least groups the steel band end to end, the one end of steel band is provided with the bayonet joint, the other end of steel band be provided with the grafting portion of bayonet joint grafting complex, the grafting portion has the confession the bayonet joint male slot, the tip of steel band is provided with and is used for fixing the bayonet joint with the mounting of grafting portion.
Through adopting above-mentioned technical scheme, accomplish the armor with a set of steel band on the cable, when need connect another set of steel band and the steel band of accomplishing the package, insert the plug of another set of steel band in the slot of accomplishing the package steel band, realize the prepositioning of two sets of steel band connections, then pass through the bayonet joint and the grafting portion of mounting with two sets of steel bands, the structure of above-mentioned connected mode is comparatively simple, convenient operation, help reducing the time that the production personnel will be connected two sets of adjacent steel bands to improve the production efficiency of resistance to compression cable.
Optionally, the plug connector has a plug through hole penetrating through two sides, the fixing piece is arranged in the plug through hole, the plug connector has a fixing through hole corresponding to the plug through hole, and the fixing piece is in interference fit with the fixing through hole.
Through adopting above-mentioned technical scheme, disclose the connected mode of mounting, after the bayonet joint inserts in the slot, pass the fixed through-hole of bayonet joint and the grafting through-hole of bayonet joint in proper order with the mounting, mounting and fixed through-hole interference fit for can realize the fixed connection of bayonet joint and grafting portion, the connected mode is comparatively simple and convenient.
Optionally, the end of the fixing piece is provided with a pressing part, and the outer diameter of the pressing part is larger than that of the fixing piece.
Through adopting above-mentioned technical scheme, the setting of pressing part on the mounting makes things convenient for the production workman to press the manual pressing part or use the instrument to beat the installation department, passes fixed through-hole with the mounting, realizes the bayonet joint of two adjacent groups steel bands and the fixed connection of grafting portion.
Optionally, the top surface of grafting portion has the confession the standing groove that pressing portion arranged, when the mounting is fixed back, the top surface of pressing portion with the top surface of grafting portion flushes.
Through adopting above-mentioned technical scheme, the setting of grafting portion top surface standing groove can accomplish the fixed connection back of bayonet joint and grafting portion at the mounting, and the top surface of pressing part flushes with the top surface of grafting portion for guaranteed the roundness on steel tape armor surface, reduced the outer sheath cover and appear bellied phenomenon behind steel tape armor.
Optionally, the end of the plug-in part is provided with a guiding surface guiding to the slot.
Through adopting above-mentioned technical scheme, the setting of guide surface, when carrying out the grafting cooperation of grafting portion and slot, the grafting portion can insert in the slot under the direction effect of guide surface, makes things convenient for the grafting portion to insert in the slot.
Optionally, the cable connector further comprises a protective head which is mounted on the end part of the cable in a sealing way, and the protective head is provided with a protective groove for the cable to be inserted in a sealing way.
Through adopting above-mentioned technical scheme, the cable is after accomplishing the preparation, and the sinle silk of cable tip exposes in the external world, and the setting of protection head can play the guard action to the tip of cable, reduces the tip of cable and receives external pressure and appear impaired probability when transportation and transport.
Optionally, the inner wall of the protection groove is provided with a sealing groove, and a sealing ring for abutting against the outer protective layer is arranged in the sealing groove.
Through adopting above-mentioned technical scheme, the sealing washer with outer sheath butt in the protection head can play sealed effect to the tip of cable, reduces external steam and contacts the cable terminal surface, and makes the probability that the sinle silk appears wetting.
Optionally, the protection head is in the protection groove bottom is provided with rubber arc pad, rubber arc pad ground butt in the tip of cable.
Through adopting above-mentioned technical scheme, the setting of rubber arc pad can be when the protection head receives external pressure, and elastic deformation appears in rubber arc pad received pressure, and rubber arc pad is to pressure buffering absorption for play further guard action to the cable tip.
Optionally, a throat hoop is arranged on the outer side wall of the protection head, and a positioning groove for arranging the throat hoop is formed on the side wall of the protection head.
Through adopting above-mentioned technical scheme, insert the end at the cable and protect in the head after, the setting of throat hoop can play the fixed action to the installation of protection on the cable, has reduced the probability that the protection head breaks away from on the cable.
In summary, the present utility model includes at least one of the following beneficial technical effects:
1. the adjacent steel strips of the steel strip armor of the compression-resistant cable are connected in a splicing and matching mode, so that compared with a welding connection mode, the processing time is saved, and the production efficiency is improved;
2. according to the utility model, through the arrangement of the pressing part, the pressing area between the production worker and the fixing piece is increased, so that the fixing piece is conveniently inserted into the interference fit between the plug connector and the fixing through hole;
3. the utility model can ensure the flatness of the surface of the steel tape armor through the arrangement of the placing groove and the accommodation of the pressing part after the connection is completed.
Drawings
Fig. 1 is a schematic cross-sectional view of a compression-resistant cable according to an embodiment of the present utility model.
Fig. 2 is a schematic illustration of an embodiment of the present utility model after wrapping the steel tape armor.
Fig. 3 is an exploded view of two sets of steel strips according to an embodiment of the present utility model.
Fig. 4 is a schematic cross-sectional view of a protective head according to an embodiment of the utility model mounted to a compression cable.
Reference numerals illustrate: 1. a wire core assembly; 11. a wire core; 12. a core sheath; 2. a filling layer; 3. an inner liner layer; 4. a steel tape armor layer; 41. a steel strip; 42. a plug; 421. a guide surface; 422. inserting through holes; 43. a plug-in part; 431. a slot; 432. a fixing through hole; 433. a placement groove; 44. a fixing member; 441. a pressing part; 5. an outer protective layer; 6. a protective head; 61. a protective groove; 62. sealing grooves; 63. a seal ring; 64. a rubber arcuate pad; 65. a laryngeal cuff; 66. and a positioning groove.
Detailed Description
The utility model is described in further detail below with reference to fig. 1-4.
The embodiment of the utility model discloses a compression-resistant cable.
Referring to fig. 1, a compression-resistant cable comprises a core assembly 1, a filling layer 2, an inner liner layer 3, a steel tape armor layer 4 and an outer protection layer 5 from inside to outside.
The wire core assembly 1 comprises a plurality of twisted wire cores 11 and a wire core protection layer 12 which is coated on the outer side of the wire cores 11, wherein the wire core protection layer 12 consists of an insulating layer and a shielding layer. The filling layer 2 is made of PP ropes, rubber and other materials and is used for ensuring the rounding of the cable after cabling. The lining layer 3 is coated on the filling layer 2 and is used for wrapping the steel tape armor layer 4.
Referring to fig. 1 and 2, the steel tape armor layer 4 includes at least two sets of steel tapes 41, each set of steel tapes 41 including two steel tapes 41. Two adjacent groups of steel belts 41 are connected end to end, two steel belts 41 in the same group are overlapped on the other steel belt 41, and the inner liner 3 is uniformly wrapped along the axial direction of the cable. In this embodiment, the steel strip 41 is wrapped around the inner liner 3 of the cable by adopting the steel strip 41 armoring machine, and after the arrangement of the steel strip armoring layer 4 is completed, the outer protection layer 5 is finally extruded and coated on the outer edge of the steel strip armoring layer 4.
Referring to fig. 2 and 3, the steel strip 41 has a socket 42 at one end and a socket 43 in socket engagement with the socket 42 at the other end. The plug 42 is integrally disposed in the middle of the end surface of the steel strip 41, and the steel strip 41 is provided with a slot 431 for inserting the plug 42 at the end surface of the plug portion 43. The two sides of the end surface of the plug 42 facing the slot 431 are provided with guide surfaces 421 guiding to the slot 431, and the guide surfaces 421 are inclined inwards towards the slot 431, so that a production worker can conveniently insert the plug 42 into the slot 431, and pre-installation of two adjacent groups of steel belts 41 is realized.
The middle part of the top surface of the plug 42 has plug through holes 422 of both side end surfaces, and a fixing member 44 is disposed at the plug through holes 422. The insertion through holes 422 are bar-shaped holes arranged along the length direction of the steel strip 41. The top surface of the plug-in portion 43 facing away from the inner liner 3 has a fixing through hole 432 corresponding to the strip-shaped hole, and the fixing through hole 432 penetrates the top surface of the plug-in portion 43 and is connected to the insertion groove 431. The fixing member 44 is columnar with a circular cross section, and the fixing member 44 is in interference fit with the fixing through hole 432. After the plug 42 and the plug 43 are mated, the fixing member 44 sequentially passes through the fixing through hole 432 and the plug through hole 422, and the fixing member 44 and the fixing through hole 432 are in interference fit connection so as to complete the fixed connection of the plug 42 and the plug 43.
The fixing member 44 is integrally provided with a pressing portion 441 at an end portion remote from the plug 42, and the pressing portion 441 has a sheet shape with a circular cross section. The pressing portion 441 has an outer diameter larger than that of the fixing member 44 for facilitating pressing of the fixing member 44 by a production worker. The top surface of the plugging portion 43 is further provided with a placement groove 433 for arranging the pressing portion 441, the depth of the placement groove 433 is matched with the pressing portion 441, after the two groups of steel belts 41 are fixedly connected, the pressing portion 441 is located in the placement groove 433, and the top surface of the pressing portion 441 is flush with the top surface of the plugging portion 43 due to the plastic deformation performance of the pressing portion 441, namely, the outer surface of the steel belts 41, so that the final forming roundness of the cable can be ensured.
Referring to fig. 4, after the cable is formed, the end surfaces of both ends are exposed to the outside, and the end portions of the cable are easily damaged by external impact during transportation and handling of the cable. The two ends of the compression-resistant cable are also spliced with protective heads 6 for protection. The shield head 6 has a shield groove 61 into which the end of the compression-resistant cable is inserted.
The protection head 6 is provided with an annular sealing groove 62 at one side of the protection groove 61 far away from the groove bottom, and a sealing ring 63 for abutting against the outer protection layer 5 is arranged in the sealing groove 62 in a sealing way. The sealing ring 63 is fixed in the sealing groove 62 through gluing, so as to reduce the probability that external water vapor contacts the wire core 11 at the end part of the compression-resistant cable, and play a role in moisture resistance.
The bottom of the protective groove 61 is fixedly provided with a rubber arc pad 64 for abutting against the end of the compression-resistant cable. The border of rubber arc pad 64 is glued and is fixed in the tank bottom of shield groove 61 to protruding cambered surface orientation resistance to compression cable, when the tip of protecting head 6 received external pressure, pressure transmission was to rubber arc pad 64, and rubber arc pad 64 extrusion deformation carries out certain buffering and release with the pressure, makes the tip to the resistance to compression cable play better guard action.
The outer side wall of the protective head 6 is sleeved with a hose clamp 65 which is used for locking on the cable. The configuration of the throat hoop 65 is consistent with the prior art and will not be described in the present utility model. Wherein, the outer side wall of the protective head 6 is provided with a positioning groove 66 for arranging the throat hoop 65, so that the throat hoop 65 is conveniently arranged in the positioning groove 66 in advance, and the probability of axial movement after the throat hoop 65 is fixed is reduced.
The implementation principle of the compression-resistant cable provided by the embodiment of the utility model is as follows: in the wrapping process of the steel tape armor layer 4, after wrapping is completed by one group of steel tapes 41, the plug-in connectors 42 of the other group of steel tapes 41 are matched with the plug-in parts 43 of the wrapped steel tapes 41 to realize pre-fixing of the two groups of steel tapes 41, then the fixing piece 44 is pressed, the fixing piece 44 penetrates through the fixing through hole 432 and the plug-in through hole 422, so that the fixed connection between the plug-in parts 43 and the plug-in connectors 42 is realized, the wrapping of the next group of steel tapes 41 is continued, after the arrangement of the outer protective layer 5 of the cable is completed, the protective heads 6 are respectively plugged at two ends of the cable, and are locked and fixed through the throat hoops 65.
The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.
Claims (9)
1. The utility model provides a resistance to compression cable, includes sinle silk subassembly (1), filling layer (2), inner liner (3) and outer sheath (5), inner liner (3) with be provided with steel tape armor (4) between outer sheath (5), steel tape armor (4) are including two at least groups steel band (41), two at least groups steel band (41) end to end, a serial communication port, the one end of steel band (41) is provided with bayonet socket (42), the other end of steel band (41) be provided with bayonet socket (42) grafting complex grafting portion (43), grafting portion (43) have the confession bayonet socket (431) of bayonet socket (42), the tip of steel band (41) is provided with and is used for fixing bayonet socket (42) with mounting (44) of grafting portion (43).
2. A compression-resistant cable according to claim 1, wherein the plug connector (42) has a plug through hole (422) penetrating through both sides, the fixing member (44) is disposed in the plug through hole (422), the plug portion (43) has a fixing through hole (432) corresponding to the plug through hole (422) and communicating with the slot (431), and the fixing member (44) is interference-fitted with the fixing through hole (432).
3. A compression cable according to claim 2, characterized in that the end of the fixing member (44) has a pressing portion (441), the pressing portion (441) having an outer diameter larger than the outer diameter of the fixing member (44).
4. A compression cable according to claim 3, characterized in that the top surface of the plug-in part (43) is provided with a placement groove (433) in which the pressing part (441) is arranged, the top surface of the pressing part (441) and the top surface of the plug-in part (43) being flush when the fixing member (44) is fixed.
5. A compression-resistant cable according to claim 1, characterized in that the end of the plug-in part (43) has a guide surface (421) which leads to the slot (431).
6. A compression-resistant cable according to claim 1, further comprising a protective head (6) sealingly mounted to the end of the cable, said protective head (6) having a protective groove into which the cable is sealingly inserted.
7. A pressure-resistant cable according to claim 6, characterized in that the inner wall of the protective groove (61) is provided with a sealing groove (62), and that a sealing ring (63) for abutting against the outer jacket (5) is arranged in the sealing groove (62).
8. A compression-resistant cable according to claim 6, characterized in that the protective head (6) is provided with a rubber arc-shaped pad (64) at the bottom of the protective groove (61), the rubber arc-shaped pad (64) abutting against the end of the cable.
9. A compression cable according to claim 6, characterized in that the outer side wall of the protective head (6) is provided with a throat hoop (65), the side wall of the protective head (6) having a positioning groove (66) for the throat hoop (65) to be arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321106832.2U CN219696124U (en) | 2023-05-06 | 2023-05-06 | Compression-resistant cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321106832.2U CN219696124U (en) | 2023-05-06 | 2023-05-06 | Compression-resistant cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219696124U true CN219696124U (en) | 2023-09-15 |
Family
ID=87969239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321106832.2U Active CN219696124U (en) | 2023-05-06 | 2023-05-06 | Compression-resistant cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219696124U (en) |
-
2023
- 2023-05-06 CN CN202321106832.2U patent/CN219696124U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |