CN204012632U - For the cross interconnected guard box of high-voltage and ultra-high network system - Google Patents
For the cross interconnected guard box of high-voltage and ultra-high network system Download PDFInfo
- Publication number
- CN204012632U CN204012632U CN201420358536.6U CN201420358536U CN204012632U CN 204012632 U CN204012632 U CN 204012632U CN 201420358536 U CN201420358536 U CN 201420358536U CN 204012632 U CN204012632 U CN 204012632U
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- Prior art keywords
- ring
- cross interconnected
- shaped sealing
- sealing sleeve
- casing
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- Expired - Lifetime
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- 239000004020 conductor Substances 0.000 claims abstract description 35
- 238000007789 sealing Methods 0.000 claims abstract description 35
- 239000000463 material Substances 0.000 claims abstract description 18
- 230000001012 protector Effects 0.000 claims abstract description 17
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 7
- 239000010935 stainless steel Substances 0.000 claims abstract description 7
- 230000032683 aging Effects 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009422 external insulation Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
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Abstract
The utility model comprises casing for the cross interconnected guard box of high-voltage and ultra-high network system, box sealing lid and be placed in casing in, outer conductor terminals, earth leakage protector, in, outer conductor terminals are connected with earth leakage protector through cross interconnected bar, casing adopts stainless steel material, on outer wall, establish ground protection end, wall box is established inlet wire pipe, its inwall has one section of frustum face, in inlet wire pipe, establish ring-shaped sealing sleeve and annular fixed lever, the outer wall of ring-shaped sealing sleeve has one section of frustum face, annular fixed lever one end is against on ring-shaped sealing sleeve end face, the other end stretches out outside inlet wire pipe and coordinates with nut, outer conductor terminals comprise the first fixed block, the first movable block, the first screw rod and arc shrouds, inner wire stiff end comprises the second fixed block, the second movable block and the second screw rod, the two ends of cross interconnected bar are established respectively and are suitable for snapping in first, the opening of two screw rods.
Description
Technical field
The utility model relates to a kind of cross interconnected guard box for high-voltage and ultra-high network system.
Background technology
In the high-voltage and ultra-high network system supply line of city; if high-tension cable length is longer; for the circulation and the charge inducing that reduce and balanced cable sheath forms, ensure the operation of cable long-term safety, conventionally in the middle of cable, set up cross interconnected guard box and carry out ground protection.
The cross interconnected guard box that grid power transmission circuit system is used at present only adopts hardware that coaxial cable inner and outer conductor is separated to protective earthing; overall structure can not water-tight, and joint adopts artificial clamping mode, can not form good contact; easily loosening; interior metal member easily produces electric discharge, can cause whole casing charging operation, has a strong impact on supply line's safety; there is major hidden danger; and the mounting process complexity of inner and outer conductor and terminals, labour intensity is large, constructs very inconvenient.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of cross interconnected guard box for high-voltage and ultra-high network system of new construction; it has good ground connection, sealing, water-proof function; inner and outer conductor and terminals are easy for installation, simple and direct, and contact is good reliable, controls safer.
The utility model is for the cross interconnected guard box of high-voltage and ultra-high network system, comprise casing, box sealing lid and be placed in three outer conductor terminals in casing, three inner wire terminals, three earth leakage protectors, in described, outer conductor terminals are connected with earth leakage protector through cross interconnected bar respectively, described casing adopts stainless steel material, the outer wall of casing is provided with ground protection end, described earth leakage protector connects earth brace, described casing is provided with and is suitable for the through hole that the earth terminal of earth brace passes, earth terminal is by insulative water-proof material and through-hole wall interference fit, described wall box and outer conductor terminals corresponding position are provided with inlet wire pipe, the inwall of inlet wire pipe has one section of frustum face shrinking gradually from outside to inside, in inlet wire pipe, be provided with ring-shaped sealing sleeve and annular fixed lever, the outer wall of described ring-shaped sealing sleeve has one section of frustum face shrinking gradually from outside to inside, the outer wall of ring-shaped sealing sleeve and annular fixed lever and inlet wire pipe inwall interference fit, described annular fixed lever one end is resisted against on the end face of ring-shaped sealing sleeve, the other end stretches out outside inlet wire pipe and coordinates with nut, described outer conductor terminals comprise the first fixed block, the first movable block and the first screw rod, on described the first fixed block, have first " U " shape hole, the upper roof in first " U " shape hole is provided with and is suitable for the screw that the first screw rod passes and is mated, described the first movable block is placed in first " U " shape hole and is fixed on the first screw rod, the first movable block is provided with the first deep-slotted chip breaker towards a side of first " U " shape hole arcwall, between the arcwall of the first deep-slotted chip breaker and first " U " shape hole, be provided with ring sleeve, described inner wire stiff end comprises the second fixed block, the second movable block and the second screw rod, on described the second fixed block, have second " U " shape hole, the upper roof in second " U " shape hole is provided with and is suitable for the screw that the second screw rod passes and is mated, described the second movable block is placed in second " U " shape hole and is fixed on the second screw rod, the second movable block is provided with the second deep-slotted chip breaker towards a side of " U " shape hole arcwall, the two ends of described cross interconnected bar are respectively equipped with and are suitable for snapping in first, the opening of two screw rods.
When use, on cable, overlap nut, cable covers into casing through annular fixed lever and ring packing, nut coordinates cable is fixed on inlet wire pipe with annular fixed lever, adjusting nut makes cable and ring-shaped sealing sleeve tight fit, enter the cable of casing through the ring sleeve of outer conductor terminals, the external insulation skin of cable and outer conductor strip off left-hand thread are got back on ring sleeve outer wall, the cable of peeling external insulation skin and outer conductor off continues insulated hull in strip off again, space by the inner wire exposing through the second fixed block and second movable block of inner wire terminals, cross interconnected bar is according to the rules inside and outside interconnection, conductor terminals, earth leakage protector, in connection, the opening at the cross interconnected bar two ends of outer conductor terminals snaps in the first corresponding screw rod, the second screw rod, regulate the first screw rod, outer conductor is clamped between the first movable block and the first fixed block, also one end of cross interconnected bar is compressed simultaneously, regulate the second screw rod, inner wire is clamped between the second movable block and the second fixed block, also the other end of cross interconnected bar is compressed simultaneously, finally fix upper box seal cover.
Further; the utility model is for the cross interconnected guard box of high-voltage and ultra-high network system; between described annular fixed lever and ring-shaped sealing sleeve, be also provided with ring jacket; one end of described ring jacket is resisted against on the end face of ring-shaped sealing sleeve; the other end and annular fixed lever end offset, and ring jacket is identical with the material of annular fixed lever.
Annular fixed lever can rub, push ring-shaped sealing sleeve while cooperation with the nut on cable, it is caused to larger wearing and tearing, between ring-shaped sealing sleeve and annular fixed lever, increase ring jacket, adopt the material identical with annular fixed lever, the friction, the extruding that can bear annular fixed lever and coordinate with the nut on cable time, produce, ring-shaped sealing sleeve only bears the axial compressive force that ring jacket applies, and damages less.
Further, the utility model is for the cross interconnected guard box of high-voltage and ultra-high network system, and the material of described ring jacket and annular fixed lever is stainless steel, and the material of ring-shaped sealing sleeve is resistance to electric trace, high temperature resistant, ageing-resistant, water proof rubber.
Further; the utility model, for the cross interconnected guard box of high-voltage and ultra-high network system, also comprises three current inductors, and described current inductor is arranged between internal and external conductor terminals; current inductor is suitable for cable inner conductor and passes, and can monitor earth current size.
Further, the utility model, for the cross interconnected guard box of high-voltage and ultra-high network system, also comprises puncture counter, and described puncture counter connects the two ends of earth leakage protector, can record the breakdown number of times of earth leakage protector.
Compared with prior art, the utility model for the beneficial effect of the cross interconnected guard box of high-voltage and ultra-high network system is:
By independent ground protection end is set at cabinet exterior, make casing and inner building block separate ground connection, improve safe class; By ring-shaped sealing sleeve and annular fixed lever are set in inlet wire pipe, make to enter cable and casing stable connection in casing, be sealed and matched with inlet wire tube wall, the binding post of earth brace, by insulative water-proof material and through-hole wall interference fit, makes casing integral sealing, waterproof; Outer conductor terminals are set to be made up of the first fixed block, the first movable block, the first screw rod and ring sleeve, inner wire terminals are made up of the second fixed block, the second movable block, the second screw rod, coaxial cable inner and outer conductor is built and the good contact of inner and outer conductor terminals by turn-knob, easier for installation, simple and direct, control safer.
Below in conjunction with accompanying drawing, the cross interconnected guard box for high-voltage and ultra-high network system of the present utility model is described further.
Brief description of the drawings
Fig. 1 is the utility model is removed seal cover vertical view for the cross interconnected guard box of high-voltage and ultra-high network system, shows partly cut-away for clear;
Fig. 2 is the cross interconnected guard box front view of the utility model for high-voltage and ultra-high network system, shows partly cut-away for clear;
Fig. 3 is the cross interconnected guard box left view of the utility model for high-voltage and ultra-high network system, shows partly cut-away for clear;
Fig. 4 is the three-dimensional structure diagram of the utility model for the cross interconnected guard box outer conductor terminals of high-voltage and ultra-high network system;
Fig. 5 is the three-dimensional structure diagram of the utility model for the cross interconnected guard box inner wire terminals of high-voltage and ultra-high network system.
Reference numeral: 1, casing 2, box sealing lid 3, outer conductor terminals 31, the first fixed block 32, the first movable block 33, the first screw rod 34, the first deep-slotted chip breaker 35, ring sleeve 4, inner wire terminals 41, the second fixed block 42, the second movable block 43, the second screw rod 44, the second deep-slotted chip breaker 5, earth leakage protector 6, cross interconnected bar 7, ground protection end 8, earth brace 9, inlet wire pipe 10, ring-shaped sealing sleeve 11, annular fixed lever 12, ring jacket 13, current inductor
Embodiment
As shown in Figure 1, 2, 3; the utility model comprises casing 1, box sealing lid 2 for the cross interconnected guard box of high-voltage and ultra-high network system and is placed in three outer conductor terminals in casing 3, three inner wire terminals 4, three earth leakage protectors 5, and inner and outer conductor terminals are connected with earth leakage protector 5 through cross interconnected bar 6 respectively.
Casing 1 adopts stainless steel material, and the outer wall of casing 1 is provided with ground protection end 7, and earth leakage protector 5 connects earth brace 8, and casing 1 is provided with and is suitable for the through hole that the earth terminal of earth brace passes, and earth terminal is by insulative water-proof material and through-hole wall interference fit.
As shown in Figure 1, casing 1 sidewall and outer conductor terminals 3 corresponding positions are provided with inlet wire pipe 9, the inwall of inlet wire pipe 9 has one section of frustum face shrinking gradually from outside to inside, in inlet wire pipe 9, be provided with ring-shaped sealing sleeve 10 and annular fixed lever 11, the material of ring-shaped sealing sleeve 10 is resistance to electric trace, high temperature resistant, ageing-resistant, water proof rubber, on its outer wall, there is one section of frustum face shrinking gradually from outside to inside, the outer wall of ring-shaped sealing sleeve 10 and annular fixed lever 11 and inlet wire pipe 9 inwall interference fit, between annular fixed lever 11 and ring-shaped sealing sleeve 10, be also provided with ring jacket 12, one end of ring jacket 12 is resisted against on the end face of ring-shaped sealing sleeve 10, the other end and annular fixed lever 11 ends offset, one end that annular fixed lever 11 stretches out outside inlet wire pipe 9 coordinates with nut, ring jacket 12 is identical with the material of annular fixed lever 11, be stainless steel material.
As shown in Figure 4, outer conductor terminals 3 comprise the first fixed block 31, the first movable block 32 and the first screw rod 33, on the first fixed block 31, have first " U " shape hole, the upper roof in first " U " shape hole is provided with and is suitable for the screw that the first screw rod 33 passes and is mated, the first movable block 32 is placed in first " U " shape hole and is fixed on the first screw rod 33, the first movable block 32 is provided with between the first deep-slotted chip breaker 34, the first deep-slotted chip breakers 34 and first " U " shape hole arcwall and is provided with ring sleeve 35 towards a side of first " U " shape hole arcwall.
As shown in Figure 5, inner wire stiff end 4 comprises the second fixed block 41, the second movable block 42 and the second screw rod 43, on the second fixed block 41, have second " U " shape hole, the upper roof in second " U " shape hole is provided with and is suitable for the screw that the second screw rod 43 passes and is mated, the second movable block 42 is placed in second " U " shape hole and is fixed on the second screw rod 43, the second movable block 42 is provided with the second deep-slotted chip breaker 44 towards a side of " U " shape hole arcwall, and the two ends of cross interconnected bar 6 are respectively equipped with the opening that is suitable for snapping in first and second screw rod 33,43.
The utility model also comprises puncture counter (not shown), three current inductors 13 for the cross interconnected guard box of high-voltage and ultra-high network system; puncture counter connects the two ends of earth leakage protector; current inductor 13 is arranged between internal and external conductor terminals, and current inductor is suitable for cable inner conductor and passes.
Above-described embodiment is described preferred implementation of the present utility model; not scope of the present utility model is limited; do not departing under the prerequisite of the utility model design spirit; various distortion and improvement that those of ordinary skill in the art make the technical solution of the utility model, all should fall in the definite protection range of the utility model claims.
Claims (5)
1. the cross interconnected guard box for high-voltage and ultra-high network system, comprise casing (1), box sealing lid (2) and be placed in three the outer conductor terminals (3) in casing, three inner wire terminals (4), three earth leakage protectors (5), in described, outer conductor terminals (4, 3) be connected with earth leakage protector (5) through cross interconnected bar (6) respectively, it is characterized in that: described casing (1) adopts stainless steel material, the outer wall of casing (1) is provided with ground protection end (7), described earth leakage protector (5) connects earth brace (8), described casing (1) is provided with and is suitable for the through hole that the earth terminal of earth brace passes, earth terminal is by insulative water-proof material and through-hole wall interference fit, described casing (1) sidewall and outer conductor terminals (3) corresponding position are provided with inlet wire pipe (9), the inwall of inlet wire pipe (9) has one section of frustum face shrinking gradually from outside to inside, in inlet wire pipe (9), be provided with ring-shaped sealing sleeve (10) and annular fixed lever (11), the outer wall of described ring-shaped sealing sleeve (10) has one section of frustum face shrinking gradually from outside to inside, the outer wall of ring-shaped sealing sleeve (10) and annular fixed lever (11) and inlet wire pipe (9) inwall interference fit, described annular fixed lever (11) one end is resisted against on the end face of ring-shaped sealing sleeve (10), the other end stretches out outside inlet wire pipe (9) and coordinates with nut, described outer conductor terminals (3) comprise the first fixed block (31), the first movable block (32) and the first screw rod (33), on described the first fixed block (31), have first " U " shape hole, the upper roof in first " U " shape hole is provided with and is suitable for the screw that the first screw rod (33) passes and is mated, described the first movable block (32) is placed in first " U " shape hole and is fixed on the first screw rod (33), the first movable block (32) is provided with the first deep-slotted chip breaker (34) towards a side of first " U " shape hole arcwall, between the first deep-slotted chip breaker (34) and first " U " shape hole arcwall, be provided with ring sleeve (35), described inner wire stiff end (4) comprises the second fixed block (41), the second movable block (42) and the second screw rod (43), on described the second fixed block (41), have second " U " shape hole, the upper roof in second " U " shape hole is provided with and is suitable for the screw that the second screw rod (43) passes and is mated, described the second movable block (42) is placed in second " U " shape hole and is fixed on the second screw rod (43), the second movable block (42) is provided with the second deep-slotted chip breaker (44) towards a side of " U " shape hole arcwall, the two ends of described cross interconnected bar (6) are respectively equipped with and are suitable for snapping in first, two screw rods (33, 43) opening.
2. the cross interconnected guard box for high-voltage and ultra-high network system according to claim 1; it is characterized in that: between described annular fixed lever (11) and ring-shaped sealing sleeve (10), be also provided with ring jacket (12); one end of described ring jacket (12) is resisted against on the end face of ring-shaped sealing sleeve (10); the other end and annular fixed lever (11) end offset, and ring jacket (12) is identical with the material of annular fixed lever (11).
3. the cross interconnected guard box for high-voltage and ultra-high network system according to claim 2; it is characterized in that: described ring jacket (12) is stainless steel with the material of annular fixed lever (11), and the material of ring-shaped sealing sleeve (10) is resistance to electric trace, high temperature resistant, ageing-resistant, water proof rubber.
4. according to the cross interconnected guard box for high-voltage and ultra-high network system described in claims 1 to 3 any one; it is characterized in that: also comprise three current inductors (13); described current inductor (13) is arranged between internal and external conductor terminals, and current inductor is suitable for cable inner conductor and passes.
5. according to the cross interconnected guard box for high-voltage and ultra-high network system described in claims 1 to 3 any one, it is characterized in that: also comprise puncture counter, described puncture counter connects the two ends of earth leakage protector.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201420358536.6U CN204012632U (en) | 2014-06-30 | 2014-06-30 | For the cross interconnected guard box of high-voltage and ultra-high network system |
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CN201420358536.6U CN204012632U (en) | 2014-06-30 | 2014-06-30 | For the cross interconnected guard box of high-voltage and ultra-high network system |
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CN204012632U true CN204012632U (en) | 2014-12-10 |
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CN201420358536.6U Expired - Lifetime CN204012632U (en) | 2014-06-30 | 2014-06-30 | For the cross interconnected guard box of high-voltage and ultra-high network system |
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Cited By (4)
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 grounding box for high-voltage cable |
CN110401160A (en) * | 2018-04-24 | 2019-11-01 | 广东电网有限责任公司 | A kind of cross interconnected case based on card slot |
CN110401161A (en) * | 2018-04-24 | 2019-11-01 | 广东电网有限责任公司 | A kind of cross interconnected case based on barrier blocks |
-
2014
- 2014-06-30 CN CN201420358536.6U patent/CN204012632U/en not_active Expired - Lifetime
Cited By (4)
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 grounding box for high-voltage cable |
CN110401160A (en) * | 2018-04-24 | 2019-11-01 | 广东电网有限责任公司 | A kind of cross interconnected case based on card slot |
CN110401161A (en) * | 2018-04-24 | 2019-11-01 | 广东电网有限责任公司 | A kind of cross interconnected case based on barrier blocks |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CX01 | Expiry of patent term |
Granted publication date: 20141210 |