CN104485628A - Integrated earthing box for high-voltage cable circuit - Google Patents
Integrated earthing box for high-voltage cable circuit Download PDFInfo
- Publication number
- CN104485628A CN104485628A CN201410751928.3A CN201410751928A CN104485628A CN 104485628 A CN104485628 A CN 104485628A CN 201410751928 A CN201410751928 A CN 201410751928A CN 104485628 A CN104485628 A CN 104485628A
- Authority
- CN
- China
- Prior art keywords
- conductor terminal
- pressing plate
- copper bar
- outer conductor
- groove
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G15/00—Cable fittings
- H02G15/08—Cable junctions
- H02G15/10—Cable junctions protected by boxes, e.g. by distribution, connection or junction boxes
Landscapes
- Cable Accessories (AREA)
Abstract
The invention provides an integrated earthing box for a high-voltage cable circuit, which is convenient to transform, aiming at solving the problems existing in the prior art. The integrated earthing box comprises a box body, an earthing copper bar, an insulated board, an internal conductor terminal, an external conductor terminal and a rotatable connecting plate arranged on the external conductor terminal, wherein the connecting plate is used for connecting with the internal conductor terminal or the earthing copper bar. According to the integrated earthing box, through simple steps, the conversion between a direct/protective earthing function and a cross-banding-earthing function of the integrated earthing box for the high-voltage cable circuit is realized.
Description
Technical field
The invention belongs to power domain, be specifically related to Voltage Cable Lines Construction Integral earthing case.
Background technology
At present, in China 110kV cable transmission line engineering, according to different line lengths, cable segmentation scheme, its metallic sheath mainly contains 2 kinds of earthing modes.1。Sheath single-end earthed; 2. sheath cross connection grounding.For longer cable line, for effectively suppressing metallic sheath circulation, general recommendation adopts cross connection grounding form.Each cross interconnected unit is evenly divided into three segments, between every segment, adopts cross connection grounding case to carry out connecting and ground connection.Adopt the cable line of cross connection grounding form, precondition is that calibration must be the integral multiple of 3 sections and section length is even.But because of factors such as power network wiring transformations, the variations such as cable line also can face as changed its course, opening, T connect.If the cable segmentation after changing no longer is suitable for cross connection grounding mode, then generally transform as mode single-end earthed, namely need to change grounding box.In former cross connection grounding mode, each transition joint only need with a cross connection grounding case.And in mode single-end earthed, if the transition joint of the direct ground connection in side, side protective earthing, the form of grounding box routinely, then need to configure a direct grounding box, a protective earthing case totally two grounding boxes respectively.Relative to former earthing mode, add a grounding box and corresponding casing basis after transformation, add installing space, retrofit work amount is comparatively large and complicated.
Publication number is that the innovation and creation of 203504122U provide a kind of environment-friendly intelligent grounding box, comprise casing, grounding copper bar and multiple sheath protector, grounding copper bar comprises horizontal copper bar and vertical copper bar, the inside of casing is also provided with coaxial cable and grounding connection pressing plate, the lower end of casing is provided with multiple entrance bushing, the upper end of vertical copper bar connects horizontal copper bar, the lower end of vertical copper bar connects entrance bushing, sheath protector is installed on the downside of horizontal copper bar, the upper end of coaxial cable is connected with sheath protector, the lower end of coaxial cable is connected with entrance bushing, the middle-end of coaxial cable is provided with outer contact terminal, outer contact terminal is linked together by grounding connection pressing plate and vertical copper bar.The present invention, by the form of direct ground connection and protective earthing one, makes to install quantity required for grounding box and space greatly reduces, and has saved cost, has improve the fail safe of cable circuit work simultaneously.But such structure is still comparatively complicated in transformation process.
Summary of the invention
The object of the invention is to solve existing existing problem, find a kind of Voltage Cable Lines Construction Integral earthing case being convenient to transform.
In order to realize described object, Voltage Cable Lines Construction Integral earthing case of the present invention, comprise casing, grounding copper bar, insulation board, described grounding copper bar comprises horizontal copper bar and vertical copper bar, described bottom half is provided with four inlet wire pipes, described four inlet wire pipes are arranged in order from left to right, the described inlet wire pipe upper end of the leftmost side is connected with vertical copper bar lower end, other three equal chains in described inlet wire pipe upper end are connected to coaxial cable, described vertical copper bar upper end is connected with horizontal copper bar, described horizontal copper bar lower end is from left to right provided with the first brace successively, second brace, 3rd brace, described first brace lower end is provided with the first inner conductor terminal for being connected with coaxial cable inside conductor, described second brace lower end is provided with the second inner conductor terminal for being connected with coaxial cable inside conductor, described 3rd brace lower end is provided with the 3rd inner conductor terminal for being connected with coaxial cable inside conductor, described first inner conductor terminal, second inner conductor terminal, 3rd inner conductor terminal is all fixed on insulation board, described insulation board being positioned at below the first inner conductor terminal is fixed with for being connected the first outer conductor terminal with coaxial cable outer conductor, described first outer conductor terminal is rotatably connected to the first connection pressing plate, described first connects pressing plate is provided with for being connected the first connecting portion with the second inner conductor terminal away from that one end of the first outer conductor terminal, described first connects the pressing plate other end is provided with the first outside protuberance, described first protuberance side is provided with the first groove running through the first protuberance, described insulation board being positioned at below the second inner conductor terminal is fixed with for being connected the second outer conductor terminal with coaxial cable outer conductor, described second outer conductor terminal is rotatably connected to the second connection pressing plate, described second connection pressing plate is provided with the second connecting portion for being connected with the 3rd inner conductor terminal away from that one end of the second outer conductor terminal, described second connects the pressing plate other end is provided with the second outside protuberance, described second protuberance side is provided with the second groove running through the second protuberance, described insulation board being positioned at below the 3rd inner conductor terminal is fixed with for being connected the 3rd outer conductor terminal with coaxial cable outer conductor, described 3rd outer conductor terminal is rotatably connected to the 3rd and connects pressing plate, described 3rd connection pressing plate is provided with the 3rd connecting portion for being connected with the first inner conductor terminal away from the 3rd that one end of outer conductor terminal, described vertical copper bar is provided with the link slot linked for being connected pressing plate with the 3rd, after described 3rd connection press plate rotary to horizontal direction, 3rd connecting portion is just in time corresponding with the link slot position of described vertical copper bar, described second connects pressing plate is connected after pressing plate is pivotally lowered into vertical direction with described first, the notch of described first groove and the second groove upwards and the 3rd be connected pressing plate to move to after horizontal direction just in time with the first groove and the second groove clamping.
Preferably, three described inlet wire pipes on right side lay respectively at immediately below the first outer conductor terminal, the second outer conductor terminal, the 3rd outer conductor terminal.Be convenient to coaxial cable connect with corresponding outer conductor terminal and inner conductor terminal.
Preferably, all sheath protector is connected with between described first brace and described horizontal copper bar, between described second brace and described horizontal copper bar, between described 3rd brace and described horizontal copper bar.Sheath protector is without series gap, and protective feature is good, and excellent voltage-current characteristic curve, can better realize defencive function.
Preferably, the notch place of described first groove and the notch place of the second groove are equipped with chamfering.Be convenient to the 3rd and connect pressing plate and the first groove and the second groove clamping.
Preferably, the chamfering at described first groove notch place and the chamfering at the second groove notch place are rounding.The better effects if that the 3rd connects press plate position is corrected relative to bevelling.
Preferably, when described 3rd connection pressing plate thinks that horizontal direction is rotated by vertical direction, the position touching the second groove is at first provided with gathering sill.Such setting, not only automatically can correct the 3rd and connect press plate position, and only need arrange gathering sill in smaller part position, connects pressure plate structure without the need to adjusting monoblock the 3rd.
Preferably, described 3rd connection pressing plate lower surface front and back are equipped with chamfering.Be convenient to the 3rd and connect pressing plate and the first groove and the second groove clamping.
Preferably, the described 3rd chamfering connected on pressing plate is rounding.The better effects if that the 3rd connects press plate position is corrected relative to bevelling.
Following Advantageous Effects can be obtained: can by simple step by implementing the present invention; realize the conversion of Voltage Cable Lines Construction Integral earthing case in directly/protective earthing function and cross connection grounding function; and switch to directly/protective earthing function time, be connected pressing plate be fixed without the need to connecting pressing plate and second to first separately.
Accompanying drawing explanation
Fig. 1 is the structural representation of the first state of the present invention;
Fig. 2 is the structural representation of the second state of the present invention;
Fig. 3 is the structural representation of the first connection pressing plate in the present invention;
Fig. 4 is the structural representation of the second connection pressing plate in the present invention.
Embodiment
For the ease of the understanding of those skilled in the art, below in conjunction with specific embodiment, the present invention is further illustrated:
As shown in Figure 1 to 4, Voltage Cable Lines Construction Integral earthing case, comprise casing 1, grounding copper bar 2, insulation board 3, grounding copper bar 2 comprises horizontal copper bar 21 and vertical copper bar 22, four inlet wire pipes 4 are provided with bottom casing 1, four inlet wire pipes 4 are arranged in order from left to right, inlet wire pipe 4 upper end of the leftmost side is connected with vertical copper bar 22 lower end, other three equal chains in inlet wire pipe 4 upper end are connected to coaxial cable 12, vertical copper bar 22 upper end is connected with horizontal copper bar 21, horizontal copper bar 21 lower end is from left to right provided with the first brace 51 successively, second brace 52, 3rd brace 53, first brace 51 lower end is provided with the first inner conductor terminal 61 for being connected with coaxial cable 12 inside conductor, second brace 52 lower end is provided with the second inner conductor terminal 62 for being connected with coaxial cable 12 inside conductor, 3rd brace 53 lower end is provided with the 3rd inner conductor terminal 63 for being connected with coaxial cable 12 inside conductor, first inner conductor terminal 61, second inner conductor terminal 62, 3rd inner conductor terminal 63 is all fixed on insulation board 3, insulation board 3 being positioned at below the first inner conductor terminal 61 is fixed with for being connected the first outer conductor terminal 71 with coaxial cable 12 outer conductor, first outer conductor terminal 71 is rotatably connected to the first connection pressing plate 81, first connects pressing plate 81 is provided with for being connected the first connecting portion 91 with the second inner conductor terminal 62 away from first that one end of outer conductor terminal 71, first connects pressing plate 81 other end is provided with the first outside protuberance 101, first protuberance 101 side is provided with the first groove 111 running through the first protuberance 101, insulation board 3 being positioned at below the second inner conductor terminal 62 is fixed with for being connected the second outer conductor terminal 72 with coaxial cable 12 outer conductor, second outer conductor terminal 72 is rotatably connected to the second connection pressing plate 82, second connection pressing plate 82 is provided with the second connecting portion 92 for being connected with the 3rd inner conductor terminal 63 away from second that one end of outer conductor terminal 72, second connects pressing plate 82 other end is provided with the second outside protuberance 102, second protuberance 102 side is provided with the second groove 112 running through the second protuberance 102, insulation board 3 being positioned at below the 3rd inner conductor terminal 63 is fixed with for being connected the 3rd outer conductor terminal 73 with coaxial cable 12 outer conductor, 3rd outer conductor terminal 73 is rotatably connected to the 3rd and connects pressing plate 83, 3rd connection pressing plate 83 is provided with the 3rd connecting portion 93 for being connected with the first inner conductor terminal 61 away from the 3rd that one end of outer conductor terminal 73, vertical copper bar 22 is provided with the link slot linked for being connected pressing plate 83 with the 3rd, after 3rd connection pressing plate 83 turns to horizontal direction, 3rd connecting portion 93 is just in time corresponding with the link slot position of vertical copper bar 22, second connects pressing plate 82 is connected after pressing plate 81 is pivotally lowered into vertical direction with first, the notch of the first groove 111 and the second groove 112 upwards and the 3rd be connected pressing plate 83 to move to after horizontal direction just in time with the first groove 111 and the second groove 112 clamping.Realize directly/defencive function time; first protuberance 101 and the second protuberance 102 are for while being connected pressing plate 83 with the 3rd; also coordinate prevent from himself from rotating for being connected pressing plate 83 with the 3rd, without the need to connecting pressing plate 82 to second separately, to be connected pressing plate 81 with first fixing.
During use, second connection pressing plate 82 is connected pressing plate 81 with first and is pivotally lowered into vertical direction, 3rd connection pressing plate 83 moves to horizontal direction again, and the 3rd connecting portion 93 connected the 3rd on pressing plate 83 is aimed at the link slot of vertical copper bar 22 and is connected, now the 3rd connect pressing plate 83 just in time with the first groove 111 and the second groove 112 clamping, second connection pressing plate 82 is connected pressing plate 81 with first fix, prevents the second connection pressing plate 82 to be connected pressing plate 81 with first and rotate.As shown in Figure 2; now; what realize is direct/protective earthing function; when needs realize cross connection grounding function; only need by the connection of disconnection the 3rd connecting portion 93 with vertical copper bar 22; rotate the 3rd connecting portion 93; 3rd connecting portion 93 is connected with the first inner conductor terminal 61; rotate the second connection pressing plate 82 again and be connected pressing plate 81 with first; second connecting portion 92 is connected with the 3rd inner conductor terminal 63; be connected with the second inner conductor terminal 62 by first connecting portion 91, as shown in Figure 1, what now realize is cross connection grounding function.Otherwise need again to realize directly/protective earthing feature capability time; only need disconnect that the first connecting portion 91 connects with the connection of the second inner conductor terminal 62, the 3rd inner conductor terminal 63 of the second connecting portion 92, the 3rd connecting portion 93 is connected with the first inner conductor terminal 61; rotate the second connection pressing plate 82 and be connected pressing plate 81 with first to vertical direction; rotate the 3rd and connect pressing plate 83; connect pressing plate 83 by the 3rd and aim at clamping with the first groove 111, second groove 112, the 3rd connection pressing plate 83 the 3rd connecting portion 93 is aimed at the link slot of vertical copper bar 22 and is connected.
Connect with corresponding outer conductor terminal and inner conductor terminal for the ease of coaxial cable 12, three inlet wire pipes 4 on right side lay respectively at immediately below the first outer conductor terminal 71, second outer conductor terminal 72, the 3rd outer conductor terminal 73.In order to defencive function can better be realized, between the first brace 51 and horizontal copper bar 21, between the second brace 52 and horizontal copper bar 21, between the 3rd brace 53 and horizontal copper bar 21, be all connected with sheath protector 3.After long-time use, 3rd connects pressing plate 83 may be shifted, in order to adapt to this situation, be convenient to the 3rd and connect pressing plate 83 and the first groove 111 and the second groove 112 clamping, the notch place of the first groove 111 and the notch place of the second groove 112 are equipped with chamfering, and the chamfering at the chamfering at the first groove 111 notch place and the second groove 112 notch place is rounding, correct relative to bevelling the better effects if that the 3rd connects press plate position.Also can when by vertical direction, the 3rd connection pressing plate 83 thinks that horizontal direction is rotated, gathering sill is established at the position touching the second groove 112 at first, such setting, not only automatically can correct the 3rd and connect press plate position, and only gathering sill need be set in smaller part position, pressure plate structure is connected without the need to adjusting monoblock the 3rd, also can connect pressing plate 83 lower surface front and back the 3rd and establish chamfering, be convenient to the 3rd and connect pressing plate and the first groove and the second groove clamping, 3rd chamfering connected on pressing plate 83 is rounding, and correcting the 3rd effect connecting press plate position relative to bevelling can be better.
Following Advantageous Effects can be obtained by implementing the present invention: can by simple step, realizing the conversion of Voltage Cable Lines Construction Integral earthing case in direct/protective earthing function and cross connection grounding function.
The foregoing is only specific embodiments of the invention, but technical characteristic of the present invention is not limited thereto, any those skilled in the art is in the field of the invention, and the change done or modification are all encompassed among the scope of the claims of the present invention.
Claims (8)
1. Voltage Cable Lines Construction Integral earthing case, comprise casing (1), grounding copper bar (2), insulation board (3), described grounding copper bar (2) comprises horizontal copper bar (21) and vertical copper bar (22), described casing (1) bottom is provided with four inlet wire pipes (4), described four inlet wire pipes (4) are arranged in order from left to right, described inlet wire pipe (4) upper end of the leftmost side is connected with vertical copper bar (22) lower end, other three equal chains in described inlet wire pipe (4) upper end are connected to coaxial cable (12), described vertical copper bar (22) upper end is connected with horizontal copper bar (21), it is characterized in that: described horizontal copper bar (21) lower end is from left to right provided with the first brace (51) successively, second brace (52), 3rd brace (53), described first brace (51) lower end is provided with the first inner conductor terminal (61) for being connected with coaxial cable (12) inside conductor, described second brace (52) lower end is provided with the second inner conductor terminal (62) for being connected with coaxial cable (12) inside conductor, described 3rd brace (53) lower end is provided with the 3rd inner conductor terminal (63) for being connected with coaxial cable (12) inside conductor, described first inner conductor terminal (61), second inner conductor terminal (62), 3rd inner conductor terminal (63) is all fixed on insulation board (3), described insulation board (3) being positioned at the first inner conductor terminal (61) below is fixed with for being connected the first outer conductor terminal (71) with coaxial cable (12) outer conductor, described first outer conductor terminal (71) is rotatably connected to the first connection pressing plate (81), described first connects pressing plate (81) is provided with for being connected the first connecting portion (91) with the second inner conductor terminal (62) away from the first outer conductor terminal (71) that one end, described first connects pressing plate (81) other end is provided with outside the first protuberance (101), described first protuberance (101) side is provided with the first groove (111) running through the first protuberance (101), described insulation board (3) being positioned at the second inner conductor terminal (62) below is fixed with for being connected the second outer conductor terminal (72) with coaxial cable (12) outer conductor, described second outer conductor terminal (72) is rotatably connected to the second connection pressing plate (82), described second connection pressing plate (82) is provided with the second connecting portion (92) for being connected with the 3rd inner conductor terminal (63) away from the second outer conductor terminal (72) that one end, described second connects pressing plate (82) other end is provided with outside the second protuberance (102), described second protuberance (102) side is provided with the second groove (112) running through the second protuberance (102), described insulation board (3) being positioned at the 3rd inner conductor terminal (63) below is fixed with for being connected the 3rd outer conductor terminal (73) with coaxial cable (12) outer conductor, described 3rd outer conductor terminal (73) is rotatably connected to the 3rd and connects pressing plate (83), described 3rd connection pressing plate (83) is provided with the 3rd connecting portion (93) for being connected with the first inner conductor terminal (61) away from the 3rd outer conductor terminal (73) that one end, described vertical copper bar (22) is provided with the link slot linked for being connected pressing plate (83) with the 3rd, after described 3rd connection pressing plate (83) turns to horizontal direction, 3rd connecting portion (93) is just in time corresponding with the link slot position of described vertical copper bar (22), described second connects pressing plate (82) is connected after pressing plate (81) is pivotally lowered into vertical direction with described first, the notch of described first groove (111) and the second groove (112) upwards and the 3rd be connected pressing plate (83) to move to after horizontal direction just in time with the first groove (111) and the second groove (112) clamping.
2. Voltage Cable Lines Construction Integral earthing case as claimed in claim 1, is characterized in that: three described inlet wire pipes (4) on right side lay respectively at immediately below the first outer conductor terminal (71), the second outer conductor terminal (72), the 3rd outer conductor terminal (73).
3. Voltage Cable Lines Construction Integral earthing case as claimed in claim 1, is characterized in that: be all connected with sheath protector (3) between described first brace (51) and described horizontal copper bar (21), between described second brace (52) and described horizontal copper bar (21), between described 3rd brace (53) and described horizontal copper bar (21).
4. Voltage Cable Lines Construction Integral earthing case as claimed in claim 1, is characterized in that: the notch place of described first groove (111) and the notch place of the second groove (112) are equipped with chamfering.
5. Voltage Cable Lines Construction Integral earthing case as claimed in claim 4, is characterized in that: the described chamfering at the first groove (111) notch place and the chamfering at the second groove (112) notch place are rounding.
6. Voltage Cable Lines Construction Integral earthing case as claimed in claim 1, it is characterized in that: when described 3rd connection pressing plate (83) thinks that horizontal direction is rotated by vertical direction, the position touching the second groove (112) is at first provided with gathering sill.
7. Voltage Cable Lines Construction Integral earthing case as claimed in claim 1, is characterized in that: the described 3rd connects pressing plate (83) lower surface front and back is equipped with chamfering.
8. Voltage Cable Lines Construction Integral earthing case as claimed in claim 7, is characterized in that: the described 3rd chamfering connected on pressing plate (83) is rounding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410751928.3A CN104485628B (en) | 2014-12-09 | 2014-12-09 | Voltage Cable Lines Construction Integral earthing case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410751928.3A CN104485628B (en) | 2014-12-09 | 2014-12-09 | Voltage Cable Lines Construction Integral earthing case |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104485628A true CN104485628A (en) | 2015-04-01 |
| CN104485628B CN104485628B (en) | 2016-04-20 |
Family
ID=52760149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410751928.3A Active CN104485628B (en) | 2014-12-09 | 2014-12-09 | Voltage Cable Lines Construction Integral earthing case |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104485628B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104821539A (en) * | 2015-04-09 | 2015-08-05 | 成都绿迪科技有限公司 | Cable grounding box |
| CN105322497A (en) * | 2015-12-10 | 2016-02-10 | 广东电网有限责任公司东莞供电局 | Multifunctional high-voltage cable grounding box |
| CN107069443A (en) * | 2017-06-19 | 2017-08-18 | 峨眉山长宇电气有限公司 | A kind of case becomes cable classification wiring frame |
| CN110196347A (en) * | 2019-05-27 | 2019-09-03 | 国家电网有限公司 | A kind of electrical energy measurement joint connecting terminal block |
| CN115189304A (en) * | 2022-08-10 | 2022-10-14 | 广东电网有限责任公司 | Cable grounding box |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1994009542A1 (en) * | 1992-10-09 | 1994-04-28 | Mkm Magyar Kábel Muvek Részvénytársaság | Apparatus for disconnecting and cross-bonding of a metallic shield of a cable |
| CN203504122U (en) * | 2013-09-17 | 2014-03-26 | 浙江富中联电力科技有限公司 | Environmentally-friendly intelligent grounding box |
| CN203674680U (en) * | 2013-12-25 | 2014-06-25 | 浙江万马集团电气有限公司 | Sealing anti-flood cross interconnection grounding box |
| CN204205540U (en) * | 2014-12-09 | 2015-03-11 | 国家电网公司 | Voltage Cable Lines Construction Integral earthing case |
-
2014
- 2014-12-09 CN CN201410751928.3A patent/CN104485628B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1994009542A1 (en) * | 1992-10-09 | 1994-04-28 | Mkm Magyar Kábel Muvek Részvénytársaság | Apparatus for disconnecting and cross-bonding of a metallic shield of a cable |
| CN203504122U (en) * | 2013-09-17 | 2014-03-26 | 浙江富中联电力科技有限公司 | Environmentally-friendly intelligent grounding box |
| CN203674680U (en) * | 2013-12-25 | 2014-06-25 | 浙江万马集团电气有限公司 | Sealing anti-flood cross interconnection grounding box |
| CN204205540U (en) * | 2014-12-09 | 2015-03-11 | 国家电网公司 | Voltage Cable Lines Construction Integral earthing case |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104821539A (en) * | 2015-04-09 | 2015-08-05 | 成都绿迪科技有限公司 | Cable grounding box |
| CN105322497A (en) * | 2015-12-10 | 2016-02-10 | 广东电网有限责任公司东莞供电局 | Multifunctional high-voltage cable grounding box |
| CN107069443A (en) * | 2017-06-19 | 2017-08-18 | 峨眉山长宇电气有限公司 | A kind of case becomes cable classification wiring frame |
| CN110196347A (en) * | 2019-05-27 | 2019-09-03 | 国家电网有限公司 | A kind of electrical energy measurement joint connecting terminal block |
| CN110196347B (en) * | 2019-05-27 | 2022-09-23 | 国家电网有限公司 | Electric energy metering combined wiring terminal strip |
| CN115189304A (en) * | 2022-08-10 | 2022-10-14 | 广东电网有限责任公司 | Cable grounding box |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104485628B (en) | 2016-04-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104485628B (en) | Voltage Cable Lines Construction Integral earthing case | |
| CN202977772U (en) | Separable connector | |
| CN203481774U (en) | Cable joint | |
| CN205051287U (en) | Adjustable bus duct | |
| CN207474803U (en) | A kind of connector of the anti-short-circuit protection of network layout | |
| CN211700674U (en) | High standing wave performance bending connector | |
| CN207651690U (en) | Coaxial fitting | |
| CN204205540U (en) | Voltage Cable Lines Construction Integral earthing case | |
| CN206774746U (en) | A kind of detachable connection device | |
| CN203760726U (en) | Single core cable shielding type separable connector | |
| CN202949202U (en) | Main body of intermediate connector of cross-linked cable and novel intermediate connector formed by same | |
| CN204391232U (en) | A kind of high-power wideband waveguide cable assembly | |
| CN203423005U (en) | Composite power cable having single bus transmission function | |
| CN205863515U (en) | A kind of detachable-type sealed adapter | |
| CN204679593U (en) | Ring main unit Withstand test device | |
| CN203839911U (en) | 12kV European front connector | |
| CN203481765U (en) | Lightning protection device applied to 500KV line | |
| CN203552780U (en) | High voltage insulating bus connection shielding layer structure | |
| CN205178175U (en) | Optimize communication equipment electric connector of signal integrality | |
| CN203504122U (en) | Environmentally-friendly intelligent grounding box | |
| CN202712810U (en) | Integrated thermal shrinkage cable intermediate joint | |
| CN212935498U (en) | Lightning protection grounding box | |
| CN103594934B (en) | A kind of outdoor bus sleeve using cable to replace indoor GIS power distribution equipment also realizes the collocation method of overhead outlet | |
| CN202797329U (en) | Device wire clamp | |
| CN104577928B (en) | Three-phase aerial condutor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |