Cable interval detachable plug-in type conductor structure

Abstract

The utility model relates to the field of high-voltage electrical equipment, in particular to a detachable plug-in type conductor structure for cable spacing, which comprises a cable bin shell, a horizontal basin-type insulator arranged at the top of the cable bin shell, and a vertical basin-type insulator arranged at the side edge of the top of the cable bin shell. The contact seat assembly is arranged on the vertical basin-type insulator and is positioned in the cable cabin shell; the contact seat is arranged on the contact seat assembly; the top of the upper section is connected with the horizontal basin-type insulator, and the bottom of the upper section is in plug-in connection with the contact seat; and the detachable conductor is inserted into the bottom of the contact seat, and a tulip contact is inserted into the bottom of the detachable conductor. According to the utility model, only the detachable conductor needs to be detached during a test, so that the operation time is shortened by more than 60%; the compatibility is high, the plug-in structure is adaptive to a standard test interface, and additional equipment transformation is not needed; the maintenance cost is low, the PT dismounting frequency is reduced, and the service life of equipment is prolonged.

Description

Technical Field

[0001] This utility model relates to the field of high-voltage electrical equipment, and in particular to a detachable plug-in conductor structure for cable bays. Background Technology

[0002] Existing 220kV GIS cable bays typically employ an integral long conductor structure, with the conductor running through the cable compartment and connecting to the inverted PT (potential transformer) above. When performing cable withstand voltage tests, the PT equipment must be removed first, a complex, time-consuming, and labor-intensive process. Frequent disassembly can also lead to seal failure or component damage. Furthermore, the long conductor structure cannot flexibly adapt to testing requirements, increasing the difficulty of operation and maintenance. Utility Model Content

[0003] The purpose of this invention is to address the problem in the background technology that long conductor structures cannot flexibly adapt to test requirements, thus increasing the difficulty of operation and maintenance, and to propose a detachable plug-in conductor structure for cable spacing.

[0004] The technical solution of this utility model: a detachable pluggable conductor structure for cable bays, comprising:

[0005] The cable silo shell has a horizontal basin-type insulator at the top and a vertical basin-type insulator at the top side.

[0006] The contact seat assembly is mounted on a vertical basin-type insulator and located inside the cable housing.

[0007] Contact seat, which is mounted on the contact seat assembly;

[0008] The upper section is a fixed conductor, the top is connected to a horizontal basin-type insulator, and the bottom is plugged into a contact seat;

[0009] And a detachable conductor, which is inserted into the bottom of the contact base, and a quincunx contact is installed at the bottom of the detachable conductor.

[0010] Preferably, a flange is vertically installed on the cable compartment shell, and a vertical basin insulator is connected to the flange by multiple bolts, with a sealing ring installed between the vertical basin insulator and the flange.

[0011] Preferably, the contact seat assembly is connected to the vertical basin insulator by bolts; the contact seats are connected to each other by bolts; and the upper fixed conductor is connected to the horizontal basin insulator by bolts.

[0012] Preferably, the upper and lower sides of the contact seat are provided with reserved slots, and the bottom of the upper fixed conductor and the top of the detachable conductor are respectively inserted into the two reserved slots.

[0013] Preferably, conductive springs are installed in both reserved slots, and the bottom of the upper fixed conductor and the top of the detachable conductor respectively compress the two conductive springs.

[0014] Preferably, the plum blossom contact has a built-in spring contact piece that is inserted into the lower end of the detachable conductor. The plum blossom contact is equipped with a guide rod and a cable contact seat, and an insulating pad is fitted on the guide rod.

[0015] Preferably, the detachable conductor has plug-in terminals at both ends, the plug-in terminals have R5 cylindrical chamfers, and the detachable conductor is made of silver-plated copper.

[0016] Compared with the prior art, the present invention has the following beneficial technical effects:

[0017] 1. Improved disassembly and assembly efficiency: Only detachable conductors need to be disassembled during testing, reducing operation time by more than 60%;

[0018] 2. High compatibility: The plug-in structure is compatible with standard test interfaces, requiring no additional equipment modifications;

[0019] 3. Low maintenance cost: Reduces the frequency of PT disassembly and extends equipment life. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the structure of one embodiment of the present utility model;

[0021] Figure 2 This is a schematic diagram of the bottom structure of the upper fixed conductor;

[0022] Figure 3 This is a schematic diagram of the plum blossom contactor.

[0023] Reference numerals in the attached diagram: 1. Upper fixed conductor; 2. Detachable conductor; 3. Contact seat; 4. Plum blossom contact; 5. Guide rod; 6. Insulating pad; 7. Conductive spring; 8. Cable housing; 9. Cable contact seat; 10. Horizontal basin insulator; 11. Contact seat assembly; 12. Vertical basin insulator; 13. Flange. Detailed Implementation

[0024] Example 1

[0025] like Figures 1-3 As shown, the present invention proposes a detachable pluggable conductor structure for cable spacers, comprising:

[0026] The cable compartment shell 8 has a horizontal basin-type insulator 10 on the top and a vertical basin-type insulator 12 on the top side.

[0027] The contact seat assembly 11 is mounted on the vertical basin-type insulator 12 and located inside the cable compartment housing 8;

[0028] Contact 3 is mounted on contact assembly 11;

[0029] The upper section is a fixed conductor 1, the top of which is connected to the horizontal basin insulator 10, and the bottom is plugged into the contact seat 3 and electrically connected.

[0030] And a detachable conductor 2 is inserted into the bottom of the contact base 3, and a plum blossom contact 4 is inserted into the bottom of the detachable conductor 2.

[0031] Example 2

[0032] like Figures 1-3 As shown, this utility model proposes a detachable plug-in conductor structure for cable spacers. Compared with Embodiment 1, this embodiment details the structure of the cable housing 8, the contact seat 3, and the plum blossom contact 4.

[0033] A flange 13 is vertically installed on the cable shroud housing 8. A vertical basin insulator 12 is connected to the flange 13 by multiple bolts. Specifically, the vertical basin insulator 12 has 12 Φ13 holes, which are connected to the flange 13 by 12 bolts and nuts. A sealing ring is installed between the vertical basin insulator 12 and the flange 13.

[0034] The contact base 3 has reserved slots on both the upper and lower sides. The bottom of the upper fixed conductor 1 and the top of the detachable conductor 2 are respectively inserted into the two reserved slots. Conductive springs 7 are installed in both reserved slots. The bottom of the upper fixed conductor 1 and the top of the detachable conductor 2 respectively compress the two conductive springs 7.

[0035] The plum blossom contact 4 has a built-in spring contact piece, which is inserted into the lower end of the detachable conductor 2. A guide rod 5 and a cable contact seat 9 are installed inside the plum blossom contact 4. The guide rod 5 is fixed inside the plum blossom contact 4 with an M16 screw. An insulating pad 6 is fitted onto the guide rod 5; the insulating pad 6 is made of high-temperature resistant epoxy resin. Both ends of the detachable conductor 2 are machined with plug-in terminals. For ease of installation, the plug-in terminals have an R5 cylindrical chamfer. The detachable conductor 2 is made of silver-plated copper with a surface roughness ≤Ra1.6 to reduce contact resistance.

[0036] Example 3

[0037] This utility model proposes a detachable pluggable conductor structure for cable spacing. Compared with Embodiment 2, this embodiment details the connection structure.

[0038] The contact seat assembly 11 is connected to the vertical basin insulator 12 by bolts. Specifically, the contact seat assembly 11 has 4 Φ13 through holes, and the vertical basin insulator 12 has 4 M12 holes. The contact seat assembly 11 and the vertical basin insulator 12 are connected and fixed by bolts and nuts. The contact seat 3 is connected to the contact seat assembly 11 by bolts. Specifically, the base of the contact seat 3 has 8 Φ9 countersunk holes, which are connected and fixed by bolts through the 8 M8 holes on the base of the contact seat assembly 11. The upper fixed conductor 1 is connected to the horizontal basin insulator 10 by bolts. Specifically, the joint of the upper fixed conductor 1 has 4 Φ13 countersunk holes, and the horizontal basin insulator 10 has 4 M12 holes. The two are connected and fixed by bolts.

[0039] In summary, during disassembly, the detachable conductor 2 is vertically pulled below the contact seat 3, the stylus contact 4 is removed, and the detachable conductor 2 is pulled vertically downwards to perform the cable withstand voltage test or PT test. During installation, the detachable conductor 2 is inserted into the pre-reserved slot of the contact seat 3, the stylus contact 4 is installed, the bolts of the contact seat 3 are tightened, and the conductive state is restored.

[0040] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited thereto. Various changes can be made within the scope of knowledge possessed by those skilled in the art without departing from the spirit of the present invention.

Claims

1. An inter-cable spaced detachable plug-in conductor structure, characterized in that, The utility model relates to a cable storage shell (8) is provided with horizontal pot-type insulator (10) on the top, vertical pot-type insulator (12) is arranged on the top side position; The contact seat assembly (11) is arranged on the vertical pot-type insulator (12) and is located in the cable storage shell (8); The contact seat (3) is arranged on the contact seat assembly (11); The upper fixed conductor (1) is connected with the horizontal pot-type insulator (10) on the top and is inserted with the contact seat (3) on the bottom; And the detachable conductor (2) is inserted on the bottom of the contact seat (3), and the bottom of the detachable conductor (2) is inserted with the star contact (4). The flange (13) is vertically arranged on the cable storage shell (8), the vertical pot-type insulator (12) is connected with the flange (13) through a plurality of bolts, and the sealing rubber ring is installed between the vertical pot-type insulator (12) and the flange (13).

2. The inter-cable spaced demountable plug conductor structure of claim 1, wherein, The contact seat assembly (11) is connected with the vertical pot-type insulator (12) through bolts, the contact seat (3) is connected with the contact seat assembly (11) through bolts, and the upper fixed conductor (1) is connected with the horizontal pot-type insulator (10) through bolts.

3. The inter-cable spaced demountable plug-in conductor structure of claim 1, wherein, The contact seat (3) is provided with a reserved slot on the upper and lower sides, and the bottom of the upper fixed conductor (1) and the top of the detachable conductor (2) are inserted into the two reserved slots respectively.

4. The inter-cable spaced demountable plug conductor structure of claim 1, wherein, The two reserved slots are provided with conductive springs (7), and the bottom of the upper fixed conductor (1) and the top of the detachable conductor (2) respectively extrude the two conductive springs (7).

5. The inter-cable spaced demountable plug conductor structure of claim 4, wherein, The star contact (4) is provided with a spring contact piece, is inserted into the lower end of the detachable conductor (2), and is provided with a guide rod (5) and a cable contact seat (9), and the guide rod (5) is provided with an insulating pad (6).

6. The inter-cable spaced demountable plug conductor structure of claim 1, wherein, The detachable conductor (2) is provided with an insertion end on both ends, the insertion end is provided with R5 cylindrical chamfer, and the detachable conductor (2) is made of silver-plated copper material.

7. The inter-cable spaced demountable plug conductor structure of claim 1, wherein, ​

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