CN217642562U - Bury formula cable mounting structure - Google Patents
Bury formula cable mounting structure Download PDFInfo
- Publication number
- CN217642562U CN217642562U CN202220770994.5U CN202220770994U CN217642562U CN 217642562 U CN217642562 U CN 217642562U CN 202220770994 U CN202220770994 U CN 202220770994U CN 217642562 U CN217642562 U CN 217642562U
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- Prior art keywords
- cable
- branch
- buried
- joint
- connector
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- 238000009434 installation Methods 0.000 claims abstract description 15
- 238000000576 coating method Methods 0.000 claims abstract description 5
- 239000011248 coating agent Substances 0.000 claims abstract description 4
- 238000009413 insulation Methods 0.000 claims description 4
- 239000004677 Nylon Substances 0.000 claims description 3
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 239000006260 foam Substances 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 229920002379 silicone rubber Polymers 0.000 claims description 3
- 229920001169 thermoplastic Polymers 0.000 claims description 3
- 239000004416 thermosoftening plastic Substances 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims 2
- 238000003780 insertion Methods 0.000 claims 2
- 230000005684 electric field Effects 0.000 abstract description 4
- 230000006698 induction Effects 0.000 abstract description 3
- 210000001503 joint Anatomy 0.000 description 9
- 238000007789 sealing Methods 0.000 description 2
- 238000004880 explosion Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
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Abstract
The utility model discloses a bury formula cable mounting structure, including burying the case, bury and install the wiring group on the case, arbitrary the wiring group contains two branches and connects, and every group the branch of wiring group connects and passes through the conducting rod intercommunication, two the cable is respectively through the detachable horizontal connection of connector wherein a set of the branch of wiring group connects and forms the conduction path, branch connects the bottom and is connected with the mounting panel, the mounting panel surface coating has semi-conducting layer, the connector passes through ground wire ground connection. The cable horizontal installation mode is adopted to replace the traditional vertical installation mode, and the longitudinal tension borne by the branch joint can be reduced, so that the gap caused by the longitudinal stress of the cable and the branch joint is reduced, and potential safety hazards are avoided; and the side surface of the connector is coated with the semi-conducting layer, so that the electric field intensity can be balanced, the generation of surface induction voltage is eliminated, the safe operation is ensured, and the effective connection of the semi-conducting layer and the ground can be ensured by grounding the ground wire.
Description
Technical Field
The utility model belongs to the technical field of bury ground cable installation, concretely relates to bury formula cable mounting structure.
Background
The 10kV U-shaped buried cable branch joint realizes butt joint of power cables in a flexible, economic and reliable mode, and a simple and convenient connection combination mode enables the branch joint to replace a cable intermediate joint on more and more occasions. The full-insulated and fully-sealed power distribution network is installed in cable trenches on two sides of a circuit, so that equipment and engineering investment can be saved, full insulation, full sealing and full shielding of the full power distribution network are realized, the fault rate of the circuit is greatly reduced, and the power supply reliability is improved. At present, the cable installation mode is mainly vertical installation, and the longitudinal tension borne by a branch joint is large, so that a gap is easily formed between a cable plug and the branch joint to cause power failure, great economic loss is caused to life and industrial production of people, and even high-voltage short circuit can be caused seriously to cause accidents such as explosion and the like; therefore, it is necessary to modify the existing vertical installation to solve this problem.
SUMMERY OF THE UTILITY MODEL
The utility model provides a to the problem that above-mentioned prior art exists, provide a bury formula cable mounting structure.
In order to achieve the purpose, the utility model adopts the following technical measures:
the utility model provides a bury formula cable mounting structure, includes and buries the case, bury and install the wiring group on the case, arbitrary the wiring group contains two branch joints, and every group the branch joint of wiring group passes through the conducting rod intercommunication, two the cable passes through the detachable horizontal connection of connector respectively one of them group the branch joint of wiring group forms the conducting path, branch joint bottom is connected with the mounting panel, the mounting panel surface coating has semi-conducting layer, the connector passes through ground wire ground connection.
Preferably, the branch joints are arranged on the side surface or the top surface of the buried box, the conducting rod is in a straight line, a folded angle or a U-shaped structure, and two ends of the conducting rod respectively extend into the two branch joints of one of the wiring sets.
Preferably, the branch connects and is the columnar structure, the top that the branch connects is equipped with the patchhole, be equipped with on the connector and fix the double-threaded screw of cable, the connector with when the branch connects, double-threaded screw stretches into the patchhole and with the connecting hole of conducting rod tip is connected.
Preferably, the branch joint penetrates through a mounting hole in the top of the underground box and is mounted on the underground box in a limiting manner through the mounting plate, and the mounting plate is connected with the underground box through a screw rod.
Preferably, the buried box is filled with epoxy resin.
Preferably, the semiconductive layer is coated with at least one of the following: the insulation board comprises a semiconductive nylon layer, a semiconductive silicon rubber layer, a YPS-10KV thermoplastic semiconductive shielding layer, a YPJ-35KV/10KV cross-linked semiconductive shielding layer, a YPB-35KB/10KV strippable semiconductive shielding layer and a UL94-V0 foam layer.
Preferably, the bottom of the underground box is connected with an underground box bracket, and the underground box bracket is provided with a cable fixing support for supporting the cable.
Preferably, the buried box bracket and/or the cable fixing bracket adopt a triangular support structure.
Preferably, the cable is provided with a limiting fixing part, the limiting fixing part is provided with a limiting hole for the cable to pass through, and the limiting fixing part is connected with the cable fixing support through a bolt.
As preferred, the branch connects and is under narrow wide column structure, the connector includes T type cable joint, T type cable joint bottom open have with branch connects complex joint hole, cable connection has the stress cone, the cable pass through the stress cone with the double threaded screw is connected, the double threaded screw top is equipped with insulating stopper, insulating stopper is spacing through the closing cap in the T type cable joint.
Has the advantages that:
according to the buried cable mounting structure, the traditional vertical mounting is replaced by the horizontal mounting of the cable, and the longitudinal tension borne by the branch joint can be reduced, so that the gap caused by the longitudinal stress of the cable and the branch joint is reduced, and potential safety hazards are avoided; and the side of the connector is coated with the semi-conducting layer, so that the electric field intensity can be balanced, the generation of surface induction voltage is eliminated, the safe operation is ensured, and the effective connection of the semi-conducting layer and the ground can be ensured by grounding the ground wire.
Drawings
Fig. 1 is a three-dimensional view of a buried cable mounting structure of the present invention;
fig. 2 is a schematic view of the connection principle between a branch joint and a cable of the buried cable installation structure of the present invention;
fig. 3 is a schematic view of a buried box structure of a buried cable installation structure of the present invention;
fig. 4 is the utility model relates to a bury formula cable mounting structure's cable fixed bolster schematic structure.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be mechanically coupled, directly coupled, indirectly coupled through intervening media, or interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.
As shown in fig. 1-4, what this application discloses is a bury formula cable mounting structure, bury case 1 including, bury case 1 on, install three group's wiring group, arbitrary on burying case 1 the wiring group all contains two branch joints 11, and every group the branch joint 11 of wiring group passes through conducting rod 12 intercommunication, arbitrary group two branch joints 11 of wiring group have cable 2 through the detachable horizontally connect of connector 3 respectively to form the conducting path, branch joint 11 bottom is connected with mounting panel 13, mounting panel 13 side coating has the semi-conducting layer, connector 3 is through ground wire ground connection. In other embodiments, one, two, three, four or even more groups of the wiring sets may be disposed on the buried box 1, and the wiring sets may be disposed according to the power demand, and correspondingly, the wiring sets on the buried box 1 may be all connected to the cables 2, or may be partially connected to the cables 2.
The semi-conducting layer adopts at least one of the following coatings: the insulation board comprises a semiconductive nylon layer, a semiconductive silicon rubber layer, a YPS-10KV thermoplastic semiconductive shielding layer, a YPJ-35KV/10KV cross-linked semiconductive shielding layer, a YPB-35KB/10KV strippable semiconductive shielding layer and a UL94-V0 foam layer. The semi-conducting layer can form an insulating layer below the branch joint 11, so that partial discharge of the branch joint 11 is prevented, the electric field intensity can be balanced, and the generation of induced voltage on the surface of a product is eliminated.
In order to ensure that the cable 2 is horizontally connected with the branch connectors, the branch connectors 11 may be disposed on left and right sides or front and rear sides of the buried box 1, in this case, the conductive rod 12 extends linearly into two branch connectors 11 of the same connection group, and the connector 3 is connected with the branch connectors 11 linearly; when the branch joints 11 are arranged on two adjacent side surfaces of the buried box 1, the conductive rod 12 is in an included angle structure, two ends of the conductive rod extend into the two branch joints 11 of the same wiring group, and the connector 3 is linearly connected with the branch joints 11; in this embodiment, the branch connectors 11 are disposed on the top surface of the underground cabinet 1, the conductive rod 12 is U-shaped, two ends of the conductive rod 12 extend into two branch connectors 11 of one of the connection sets, respectively, and the connector 3 is right-angled to ensure that the cable 2 is horizontal.
Branch connects 11 and is under narrow wide columnar structure, the top that branch connects 11 is equipped with the patchhole, conducting rod 12 tip extends to the patchhole, be equipped with fixedly on the connector 3 the double-threaded screw 32 of cable 2, connector 3 includes T type cable joint 33, open T type cable joint 33 bottom have with branch connects 11 complex joint holes, cable 2 is connected with stress cone 34, cable 2 through stress cone 34 with double-threaded screw 32 connects, double-threaded screw 32 top is equipped with insulating plug 35, insulating plug 35 is spacing through sealing cap 36 in the T type cable joint 33. Connector 3 with when branch connects 11 connects, T type cable joint 33 covers and establishes the branch connects 11 outsides, and with branch connects 11 joint cooperations, double-end screw 32 stretches into the patchhole and with the connecting hole of conducting rod 12 tip is connected, cable 2 through stress cone 34 with conducting rod 12 tip electric connection, thereby realize electric connection cable 2 and conducting rod 12.
The branch joint 11 penetrates through a mounting hole in the top of the buried box 1 and is limited and mounted on the buried box 1 through a mounting plate 13, the mounting plate 13 is connected with the buried box 1 through a screw, and epoxy resin is filled in the buried box 1 and used for fixing the mounting plate 13.
The bottom of the underground box 1 is connected with an underground box bracket 4, the underground box bracket 4 is provided with a cable fixing support 5 for supporting the cable 2, and the underground box bracket 4 and the cable fixing support 5 adopt a triangular support structure. Install spacing mounting 51 on the cable 2, be equipped with the confession on the spacing mounting 51 the spacing hole that cable 2 passed through, in detail, in this embodiment, spacing mounting 51 is n font structure, spacing mounting 51 with cable fixed bolster 5 passes through bolted connection. In addition, handles can be arranged on two sides of the underground box 1 for convenient carrying and installation.
In summary, the buried cable mounting structure of the application adopts a horizontal cable mounting mode to replace the traditional vertical mounting mode, so that the longitudinal tension borne by the branch joint can be reduced, the gap caused by the longitudinal stress of the cable and the branch joint is reduced, and the potential safety hazard is avoided; and the side of the connector is coated with the semi-conducting layer, so that the electric field intensity can be balanced, the generation of surface induction voltage is eliminated, the safe operation is ensured, and the effective connection of the semi-conducting layer and the ground can be ensured by grounding the ground wire.
The above is a further detailed description of the invention in connection with specific preferred embodiments, and it is not intended that the invention be limited to the specific embodiments described. To those skilled in the art to which the utility model belongs, a plurality of simple deductions or replacements can be made without departing from the concept of the utility model, and all the deductions or replacements should be regarded as belonging to the protection scope of the utility model.
Claims (10)
1. The utility model provides a bury formula cable mounting structure, its characterized in that, buries case (1) including, install the wiring group on burying case (1), arbitrary the wiring group contains two branches and connects (11), and every group the branch of wiring group connects (11) and communicates through conducting rod (12), two cable (2) are respectively through connector (3) detachable horizontal connection wherein a set of the branch of wiring group connects (11) and forms the conducting path, branch connects (11) bottom and is connected with mounting panel (13), mounting panel (13) surface coating has the semi-conducting layer, connector (3) are through ground wire ground connection.
2. A buried cable installation structure as claimed in claim 1, wherein the branch connectors (11) are arranged on the side or top of the buried box (1), the conductive rod (12) is in a straight line, a bent angle or a U-shaped structure, and two ends of the conductive rod (12) extend into two branch connectors (11) of one of the connection sets respectively.
3. A buried cable installation structure according to claim 1 or 2, wherein the branch joint (11) is a column structure, the top of the branch joint (11) is provided with an insertion hole, the connector (3) is provided with a double-threaded screw (32) for fixing the cable (2), and when the connector (3) is connected with the branch joint (11), the double-threaded screw (32) extends into the insertion hole and is connected with the connection hole at the end of the conductive rod (12).
4. A buried cable mounting structure according to claim 2, wherein the branch joint (11) passes through a mounting hole at the top of the buried box (1) and is limited and mounted on the buried box (1) through the mounting plate (13), and the mounting plate (13) is connected with the buried box (1) through a screw.
5. A buried cable installation structure according to claim 4, characterized in that the buried box (1) is filled with epoxy resin.
6. A buried cable installation structure according to claim 1, wherein the semiconductive layer is coated with at least one of: the insulation board comprises a semiconductive nylon layer, a semiconductive silicon rubber layer, a YPS-10KV thermoplastic semiconductive shielding layer, a YPJ-35KV/10KV cross-linked semiconductive shielding layer, a YPB-35KB/10KV strippable semiconductive shielding layer and a UL94-V0 foam layer.
7. A buried cable mounting structure according to claim 1, characterized in that the bottom of the buried box (1) is connected with a buried box bracket (4), and the buried box bracket (4) is provided with a cable fixing support (5) for supporting the cable (2).
8. A buried cable installation structure according to claim 7, wherein the buried box bracket (4) and/or the cable fixing bracket (5) adopt a triangular support structure.
9. The buried cable installation structure according to claim 7, wherein a limiting fixing piece (51) is installed on the cable (2), a limiting hole for the cable (2) to pass through is formed in the limiting fixing piece (51), and the limiting fixing piece (51) is connected with the cable fixing support (5) through a bolt.
10. A buried cable mounting structure according to claim 3, wherein branch joint (11) is narrow-top and wide-bottom column structure, connector (3) includes T-shaped cable joint (33), open T-shaped cable joint (33) bottom have with branch joint (11) complex joint hole, cable (2) are connected with stress cone (34), cable (2) through stress cone (34) with double-end screw (32) are connected, double-end screw (32) top is equipped with insulating stopper (35), insulating stopper (35) through closing cap (36) spacing in T-shaped cable joint (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220770994.5U CN217642562U (en) | 2022-04-01 | 2022-04-01 | Bury formula cable mounting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220770994.5U CN217642562U (en) | 2022-04-01 | 2022-04-01 | Bury formula cable mounting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217642562U true CN217642562U (en) | 2022-10-21 |
Family
ID=83647440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220770994.5U Active CN217642562U (en) | 2022-04-01 | 2022-04-01 | Bury formula cable mounting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217642562U (en) |
-
2022
- 2022-04-01 CN CN202220770994.5U patent/CN217642562U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |