CN219498855U - Cable tapping box in medium-voltage cabinet - Google Patents
Cable tapping box in medium-voltage cabinet Download PDFInfo
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- CN219498855U CN219498855U CN202320306633.XU CN202320306633U CN219498855U CN 219498855 U CN219498855 U CN 219498855U CN 202320306633 U CN202320306633 U CN 202320306633U CN 219498855 U CN219498855 U CN 219498855U
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- clamping
- cable
- box
- annular boss
- boss
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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Abstract
The utility model relates to the technical field of electrical equipment, in particular to a cable tapping box in a medium-voltage cabinet, which comprises an electric connection sleeve, a cable joint and an annular boss, wherein the lower end surface of the electric connection sleeve main body is provided with a containing cavity; the utility model is provided with the accommodating cavity for accommodating the cable connector, so that the closely-connected elastic sheet on the cable connector is contacted with the cavity wall of the accommodating cavity, and the closely-connected elastic sheet is communicated with the inner wall of the accommodating cavity and the copper bar for conducting electricity; simultaneously, through the clamping piece that is located on the cable joint, fix cable joint on the electric sleeve that connects, auxiliary stay cable.
Description
Technical Field
The utility model relates to the technical field of electrical equipment, in particular to a cable tapping box in a medium-voltage cabinet.
Background
In a power plant, a medium voltage cabinet is connected with two or more feeder lines, and a conventional connection method is to connect one or more branches on an existing bus bar, so that two or more loop cables can be connected, but the method is not standard, cable wiring is disordered, long-term operation is at risk of inter-phase short circuit, and cable connection is in threaded connection, so that wiring and overhaul are not convenient.
The utility model discloses a wire carding anti-drop structure and a method for an electric junction box, wherein the wire carding anti-drop structure and the method for the electric junction box comprise a junction box body, a protective shell is arranged on the front side of the top of the junction box body, a mounting mechanism is arranged on the rear side of the protective shell, five wire bodies penetrate through the front surface of the junction box body, an arrangement wiring mechanism is arranged in an inner cavity of the protective shell, a holding plate is fixedly connected to the bottom of the front surface of the junction box body, and five anti-drop mechanisms are arranged on the top of the holding plate, and the five wire bodies are connected in an arrangement mode through the cooperation of the arrangement wiring mechanism and the arrangement mechanism, then the positions of the butt joint wires are protected through the cooperation of the mounting mechanism and the protective shell, and then the surfaces of the wire bodies are limited under the cooperation of the anti-drop mechanisms and positioning clamping pieces, so that the purposes of strong protection, regular wiring and drop prevention can be achieved; in the utility model, a plurality of wires are connected at the same time, in addition, the wires and the connecting terminal are connected by adopting a thread fixing mode, the connection operation is complex, the disassembly is difficult, and the assembly and the disassembly and the maintenance are inconvenient.
Disclosure of Invention
The utility model provides a cable tapping box in a medium-voltage cabinet, which is simple and efficient to install.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a cable tapping box in middling pressure cabinet, including box and fixed connection copper bar on the box, still including connecing electric sleeve, cable joint and annular boss, connect electric sleeve to have cylindrical electric sleeve main part that connects, it has the chamber of holding to connect electric sleeve main part lower terminal surface opening, electric sleeve main part up end and copper bar circuit connection, it fixes in the bottom of box to connect electric sleeve main part, and hold the accent intercommunication box outside of chamber, annular boss fixed connection is on the box, cable joint includes joint and clamping piece, the joint inserts and holds the intracavity, the joint is equipped with the close connection shell fragment in the part of inserting holding the chamber, close connection shell fragment external diameter is greater than holds the chamber internal diameter, clamping piece and annular boss form the clamp and press from both sides tightly fixedly.
In order to solve the specific fixing mode of the annular boss, the annular boss is fixedly connected to the outer peripheral surface of the power-on sleeve body, and a fit clearance is formed between the upper end surface of the annular boss and the lower end surface of the box body.
Further, the box body is provided with a round groove on the lower end face, the cavity opening of the accommodating cavity and the lower end face of the box body are on the same plane, the annular boss is positioned in the round groove and coaxial, the annular boss is fixedly connected to the bottom of the round groove, and a fit clearance is formed between the upper end face of the annular boss and the bottom of the round groove.
Further, a boss is arranged on the outer peripheral surface of the cable connector, the boss is positioned at the lower side of the close-contact elastic sheet, a pair of clamping rods are arranged on the boss, the clamping rods are rotationally connected with the boss, the rotation direction of the clamping rods is perpendicular to the surface where the axis of the cable connector is positioned, the clamping rods are positioned at two sides of the connector, a reset spring is arranged on each clamping rod, one end of each reset spring is fixedly connected to the corresponding clamping rod, and the other end of each reset spring is fixedly connected to the corresponding boss; the lug boss, the clamping rod and the reset spring form a clamping piece.
Further, the clamping rod is fixedly provided with a clamping bulge, the clamping bulge is arranged on the upper side of the clamping rod, the extending direction of the clamping bulge is perpendicular to the gravity center line of the clamping rod, and the clamping bulge is clamped on the upper end face of the annular boss.
Further, the diameter of the circular groove is larger than the rotation range of the clamping rod.
Further, the power receiving sleeve is made of conductive materials, and the annular boss is made of insulating materials.
The beneficial effects of the utility model are as follows: the utility model is provided with the accommodating cavity for accommodating the cable connector, so that the closely-connected elastic sheet on the cable connector is contacted with the cavity wall of the accommodating cavity, and the closely-connected elastic sheet is communicated with the inner wall of the accommodating cavity and the copper bar for conducting electricity; simultaneously, the cable connector is clamped and fixed on the power-on sleeve through the clamping piece positioned on the cable connector, and the cable is supported in an auxiliary mode, so that the closely-connected elastic piece of the cable connector can keep contact with the inner wall surface of the accommodating cavity; the clamping piece consists of a reset spring and a clamping rod, and can be quickly matched with the annular convex block in a clamping way, so that the cable joint and the power-on sleeve are convenient to assemble and disassemble; the bottom of the box body is provided with the circular groove, and when the electric connection sleeve is fixed on the box body, the bottom surface of the electric connection sleeve and the bottom surface of the box body are positioned on the same surface, and meanwhile, the annular boss is positioned in the circular groove, so that the annular boss is hidden in the circular groove, and collision damage is avoided.
Drawings
FIG. 1 is a top view of the internal structure of a cable tapping box in a medium voltage cabinet according to the present utility model;
FIG. 2 is a cross-sectional view of A-A of FIG. 1 showing one manner of securing the annular boss;
FIG. 3 is a schematic view of the cable connector of the present utility model;
FIG. 4 is a schematic view of the assembled structure of the present utility model;
marked in the figure as: 1. a case; 2. a power-on sleeve; 3. a copper bar; 4. an annular boss; 5. a cable joint; 6. closely connecting the elastic sheets; 7. a clamping rod; 8. and a return spring.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "top", "bottom", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of description, and do not indicate or imply that the apparatus or components referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the present utility model.
The utility model provides a cable tapping box in the medium-voltage cabinet, which is shown in combining fig. 1-4, including box 1 and fixed connection copper bar 3 on box 1, still including electric sleeve 2 that connects, cable joint 5 and annular boss 4, electric sleeve 2 has cylindrical electric sleeve 2 main part that connects, it has the chamber of holding to connect electric sleeve 2 main part lower terminal surface, electric sleeve 2 main part up end and copper bar 3 circuit connection, electric sleeve 2 main part is fixed in the bottom of box 1, and hold the accent intercommunication box 1 outside, annular boss 4 fixed connection is on box 1, cable joint 5 includes joint and clamping piece, the joint inserts and holds the intracavity, the joint is equipped with joint shell fragment 6 at the part of inserting holding the chamber, joint shell fragment 6 external diameter is greater than and holds the chamber internal diameter, clamping piece and annular boss 4 form the clamp and fix. The utility model is provided with the accommodating cavity for accommodating the cable joint 5, and after the cable joint 5 is inserted into the accommodating cavity, the closely-connected elastic sheet 6 on the cable joint 5 is larger than the diameter of the inner ring of the accommodating cavity because the outer diameter of the closely-connected elastic sheet 6 is larger than the diameter of the inner ring of the accommodating cavity, so that the closely-connected elastic sheet 6 deforms when contacting with the inner wall surface of the accommodating cavity, and the cable joint 5 is clamped in the accommodating cavity; meanwhile, the clamping piece is matched with the annular boss 4 in a clamping way, so that the clamping piece has an auxiliary supporting function and helps the closely-connected elastic piece 6 to support the cable connector 5 and the cable; in the utility model, the cables to be connected are connected separately through the power connection sleeves 2 at different positions, so that the power connection sleeves are standardized to be managed, are convenient to overhaul and maintain, avoid the problem of short circuit and fire caused by heating after long-time operation due to line winding, and can be expanded according to actual needs, and the number of the power connection sleeves 2 is not limited to two.
As shown in fig. 2, an annular boss 4 of a cable tapping box in a medium-voltage cabinet is fixedly connected to the outer peripheral surface of a main body of a power-on sleeve 2, and a fit clearance is formed between the upper end surface of the annular boss 4 and the lower end surface of a box body 1; by fixing the annular boss 4 on the outer peripheral surface of the flashlight body, the annular boss 4 can be directly installed when the power-on sleeve 2 is installed, and meanwhile, the relative fixing of the two positions when the power-on sleeve 2 is matched with the cable connector 5 is ensured, so that the connecting effect is ensured; the preferable setting mode is that the annular boss 4 is fixedly connected to the bottom of the tank through a circular ring, the circular ring and the annular boss 4 are made of insulating materials, the inner diameter of the annular boss 4 is equal to the diameter of the accommodating cavity and coaxial with the accommodating cavity, so that the upper end face of the annular boss 4 can prevent the power-connection sleeve 2 from sliding downwards, and the power-connection sleeve 2 is fixed.
As shown in fig. 3, in another fixing manner of the annular boss 4, a circular groove is formed on the lower end face of the box body 1, the cavity opening of the accommodating cavity and the lower end face of the box body 1 are on the same plane, the annular boss 4 is positioned in the circular groove and coaxial, the annular boss 4 is fixedly connected to the bottom of the circular groove, and a fit clearance is formed between the upper end face of the annular boss 4 and the bottom of the circular groove; the annular boss 4 is connected at the tank bottom of circular slot through the connecting rod for the up end of annular boss 4 is equipped with the fit clearance with the tank bottom of circular slot, is used for joint cable joint 5, and the bottom surface of electric sleeve 2 and the bottom surface of box 1 are located same one side, make annular boss 4 be located the circular slot simultaneously, make it hide in the circular slot, avoid colliding with the damage, when cable joint 5 joins in marriage with electric sleeve 2, the circular slot is hidden cable joint 5 and the cooperation part of electric sleeve 2 in the circular slot, avoid exposing, improve the security.
In the utility model, the bottom of the box body 1 is used for installing the power-on sleeve 2, the bottom of the box body 1 is made of insulating materials so as to ensure the insulation requirement of a charged body and the safety of users, the box body 1 is made of insulating materials, and the further improvement is that the circular ring and the annular boss 4 and the box body 1 are of an integrated structure.
In the utility model, the closely-connected elastic sheet 6 is formed by bending a metal sheet into an arc-shaped plate, then fixing the arc-shaped plate on the outer peripheral surface of the joint, wherein the maximum outer diameter of the arc-shaped plate is larger than the inner diameter of the accommodating cavity, so that the closely-connected elastic sheet 6 deforms when contacting with the accommodating cavity, and then the closely-connected elastic sheet 6 is restored to the arc-shaped plate after exiting from the accommodating cavity; without losing generality, the copper bar 3 in the utility model is matched with the original copper bar 3 of the medium-voltage cabinet, and one end of the cable joint 5 is fixedly connected with a cable.
As shown in fig. 3, a boss is arranged on the outer peripheral surface of the cable joint 5, the boss is positioned at the lower side of the close-contact elastic sheet 6, a pair of clamping rods 7 are arranged on the boss, the clamping rods 7 are rotationally connected with the boss, the rotation direction of the clamping rods 7 is perpendicular to the surface where the axis of the cable joint 5 is positioned, the clamping rods 7 are positioned at two sides of the joint, the clamping rods 7 are provided with reset springs 8, one ends of the reset springs 8 are fixedly connected to the clamping rods 7, and the other ends of the reset springs 8 are fixedly connected to the boss; the lug boss, the clamping rod 7 and the return spring 8 form a clamping piece; the clamping piece is formed by the reset spring 8 and the clamping rod 7, the structure is simple, the safety and the reliability are realized, the cost is lower, the clamping rod 7 can be quickly detached from the annular boss 4 by pressing the clamping rod 7, and the assembly and the disassembly of the cable connector 5 are more convenient.
Further, the clamping rod 7 is fixedly provided with a clamping protrusion, the clamping protrusion is arranged on the upper side of the clamping rod 7, the extending direction of the clamping protrusion is perpendicular to the gravity center line of the clamping rod 7, and the clamping protrusion is clamped on the upper end face of the annular boss 4; the clamping rod 7 is provided with a clamping protrusion, the clamping protrusion is further used for helping the clamping rod 7 to clamp and fix on the cable connector 5, the lower end face of the clamping protrusion is hung on the upper end face of the annular boss 4, and the clamping rod 7 supports the cable connector 5 in an auxiliary mode through the clamping protrusion.
As shown in fig. 2, the lower end surface of the box body 1 is provided with a circular groove, and the diameter of the circular groove is larger than the rotation range of the clamping rod 7; the clamping rod 7 needs to rotate at a certain angle for being convenient to clamp, so the diameter of the circular groove needs to meet the requirement that the clamping rod 7 can be smoothly clamped and disassembled.
Further, the power receiving sleeve 2 is made of conductive materials, and the annular boss 4 is made of insulating materials.
The foregoing description is only of the preferred embodiments of the present application and is not intended to limit the same, but rather, various modifications and variations may be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.
Claims (6)
1. Cable tapping-off box in middling pressure cabinet, including box (1) and fixed connection copper bar (3) on box (1), its characterized in that: still including connecing electric sleeve (2), cable joint (5) and annular boss (4), connect electric sleeve (2) to have cylindrical electric sleeve main part that connects, it has the holding chamber to connect electric sleeve main part lower terminal surface to open, connect electric sleeve main part up end with copper bar (3) circuit connection, it fixes to connect electric sleeve main part the bottom of box (1), just hold the accent intercommunication of chamber box (1) outside, annular boss (4) fixed connection is in on box (1), cable joint (5) include joint and clamping piece, joint inserts hold the intracavity, joint is being inserted hold the part in chamber and be equipped with close joint shell fragment (6), close joint shell fragment (6) external diameter is greater than hold the chamber internal diameter, clamping piece with annular boss (4) form and press from both sides tightly fixedly.
2. The medium voltage intra-cabinet cable tap-off box according to claim 1, wherein: the annular boss (4) is fixedly connected to the outer peripheral surface of the power-on sleeve body, and a fit clearance is formed between the upper end surface of the annular boss (4) and the lower end surface of the box body (1).
3. The medium voltage intra-cabinet cable tap-off box according to claim 1, wherein: the novel box is characterized in that the lower end face of the box body (1) is provided with a round groove, the cavity opening of the accommodating cavity and the lower end face of the box body (1) are in the same plane, the annular boss (4) is located in the round groove and coaxial, the annular boss (4) is fixedly connected to the bottom of the round groove, and a fit clearance is formed between the upper end face of the annular boss (4) and the bottom of the round groove.
4. The medium voltage intra-cabinet cable tap-off box according to claim 1, wherein: the cable connector is characterized in that a boss is arranged on the outer peripheral surface of the cable connector (5), the boss is positioned at the lower side of the close-contact elastic sheet (6), a pair of clamping rods (7) are arranged on the boss, the clamping rods (7) are rotationally connected with the boss, the rotation direction of the clamping rods is perpendicular to the surface where the axis of the cable connector (5) is located, the clamping rods (7) are positioned at two sides of the cable connector (5), the clamping rods (7) are provided with reset springs (8), one ends of the reset springs (8) are fixedly connected to the clamping rods (7), and the other ends of the reset springs are fixedly connected to the boss; the boss, the clamping rod (7) and the return spring (8) form the clamping piece.
5. The medium voltage intra-cabinet cable tap-off of claim 4, wherein: clamping bulges are fixedly arranged on the clamping rods (7), the clamping bulges are arranged on the upper sides of the clamping rods (7), the extending directions of the clamping bulges are perpendicular to the gravity center line of the clamping rods (7), and the clamping bulges are clamped on the upper end faces of the annular bosses (4).
6. The medium voltage intra-cabinet cable tap-off box according to claim 1, wherein: the power receiving sleeve (2) is made of conductive materials, and the annular boss (4) is made of insulating materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320306633.XU CN219498855U (en) | 2023-02-24 | 2023-02-24 | Cable tapping box in medium-voltage cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320306633.XU CN219498855U (en) | 2023-02-24 | 2023-02-24 | Cable tapping box in medium-voltage cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219498855U true CN219498855U (en) | 2023-08-08 |
Family
ID=87511869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320306633.XU Active CN219498855U (en) | 2023-02-24 | 2023-02-24 | Cable tapping box in medium-voltage cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219498855U (en) |
-
2023
- 2023-02-24 CN CN202320306633.XU patent/CN219498855U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |