CN213026917U - Vertical side outlet arrangement structure of three-phase conductor at end part of power distribution device - Google Patents
Vertical side outlet arrangement structure of three-phase conductor at end part of power distribution device Download PDFInfo
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- CN213026917U CN213026917U CN202022089123.0U CN202022089123U CN213026917U CN 213026917 U CN213026917 U CN 213026917U CN 202022089123 U CN202022089123 U CN 202022089123U CN 213026917 U CN213026917 U CN 213026917U
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Abstract
The utility model provides a less distribution device tip three-phase conductor vertically side play line arrangement structure of area. The first wire end, the second wire end and the third wire end are all positioned at the same side of the cross beam frame and staggered in pairs in the space; the first hanging point is higher than the second hanging point; the second hanging line point is higher than the third hanging line point; the first wire hanging point, the second wire hanging point and the third wire hanging point are all positioned in the same vertical plane; every two of the three phase lines led out at intervals through the outgoing lines are arranged between the first support and the second support at intervals, and the three phase lines are respectively led out through the first outgoing line structure, the second outgoing line structure and the third outgoing line structure. The automatic wire-leading-out framework is used in an AIS/HGIS power distribution device type, the arrangement of a plurality of layers of framework beams for jumper wire conversion is avoided, and the structure of the wire-leading-out framework is simple. The device is used in a GIS power distribution device type, and avoids the arrangement of a side outlet framework and the extension of a GIS branch bus. The side direction outlet wire has the advantages of small occupied area, less investment and wide applicability, and is suitable for the side direction outlet wire of various voltage class power distribution devices of AIS, HGIS and GIS.
Description
Technical Field
The utility model relates to a power transformation engineering technical field, concretely relates to distribution device tip three-phase conductor vertically side outlet wire arrangement structure.
Background
The electric power engineering is divided into three major parts of power generation, power transmission and power transformation. The transformer substation is a place for changing voltage, in order to transmit electric energy generated by a power plant to a remote place, the voltage must be increased to be high-voltage, the voltage is reduced as required near a user, and the voltage increasing and reducing work is completed by the transformer substation. In an outdoor transformer substation, a high-voltage power distribution device is mainly divided into AIS equipment, GIS equipment and HGIS equipment. AIS equipment is an air insulated conventional electrical distribution apparatus with the bus bars exposed for direct contact with air and the circuit breakers may be of the porcelain or tank type. GIS equipment refers to gas insulated metal enclosed switchgear, typically including bays and bus bars. The HGIS equipment is a hybrid power distribution device, a bus of the HGIS equipment adopts an open type, and the other parts are all gas insulation switch devices.
The existing outgoing mode of the three-phase lead of the transformer substation comprises a forward outgoing line and a lateral outgoing line.
Such as: patent document No. 201320401072.8 discloses a 110 kv outdoor GIS double-dragonfly outlet arrangement structure, which is composed of at least two GIS outlet intervals and at least one outlet framework, wherein the at least two GIS outlet intervals are connected through a transversely arranged bus. The outgoing line framework comprises a vertical steel pipe pole and six outgoing line cross arms formed on the steel pipe pole, and all the outgoing line cross arms are perpendicular to the steel pipe pole. The six outgoing line cross arms are distributed in an upper layer, a middle layer and a lower layer, each layer is composed of two outgoing line cross arms respectively positioned at two sides of the steel pipe rod, and the outgoing line cross arm of any layer is staggered with the outgoing line cross arms of other two layers at the same side in space. Three phase lines in each GIS outgoing line interval enter a seat body of a vertical outgoing line sleeve pipe fitting, then three branch sleeves positioned above the seat body of the outgoing line sleeve pipe fitting are divided into three phases to be led up, and the three phases are respectively connected with the line hanging points at the outer end parts of outgoing line cross arms positioned above the branch sleeves through leads, and two GIS outgoing line intervals and an outgoing line framework are matched for use to form an upper layer, a middle layer and a lower layer of double-circuit vertical overhead outgoing lines. The above scheme is the forward outgoing line arrangement of the GIS equipment.
The existing HGIS device layout outlet is shown in fig. 1a, 1b and 1c, wherein a direction L1 is a forward outlet, and a direction L2 is a lateral outlet. When the wire is laterally led out, the wire is jumped to the wire outlet beam by arranging two layers of high overlines, and then the three-phase wire is horizontally led out. The implementation mode of the lateral outgoing line has the defects of more beams and columns, large steel consumption and the like. The existing AIS plant layout lateral outlets are similar to the HGIS plant. Existing GIS are arranged out as shown in fig. 2a and 2b, wherein the direction L3 is a forward outgoing line and the direction L4 is a lateral outgoing line. And arranging a side outlet wire framework beam when the wire is laterally led out, and leading out the wire by prolonging the GIS branch bus to the position below the outlet wire framework beam. The lateral outlet mode can block the end part extension condition, and has the defects of large floor area, long branch bus, high cost and the like.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a less distribution device tip three-phase conductor vertically side play line arrangement structure of area is provided.
The utility model provides a technical scheme that its technical problem adopted is: a side outlet arrangement structure for three-phase conductors at the end part of a power distribution device to be vertical comprises a first bracket, a second bracket, a beam frame, a first composite post insulator, a second composite post insulator and a third composite post insulator;
the cross beam frame is arranged between the first bracket and the second bracket;
one ends of the first composite post insulator, the second composite post insulator and the third composite post insulator are all arranged on the cross beam frame, and the other ends of the first composite post insulator, the second composite post insulator and the third composite post insulator are all far away from the cross beam frame and respectively form a first wire end, a second wire end and a third wire end;
the first wire end, the second wire end and the third wire end are all positioned at the same side of the beam frame, and the first wire end, the second wire end and the third wire end are staggered in pairs in space;
a first wire hanging point is arranged on one side of the first support close to the second support; a second wire hanging point and a third wire hanging point are arranged on one side, far away from the first support, of the second support at intervals up and down; the first wire hanging point is higher than the second wire hanging point; the first wire hanging point, the second wire hanging point and the third wire hanging point are all positioned in the same vertical plane;
the first wire end and the first wire hanging point form a first wire outlet structure, the second wire end and the second wire hanging point form a second wire outlet structure, and the third wire end and the third wire hanging point form a third wire outlet structure;
every two of the three phase lines led out at intervals through the outgoing lines are arranged between the first support and the second support at intervals and are respectively led out through the first outgoing line structure, the second outgoing line structure and the third outgoing line structure.
Further, the beam frame comprises a first beam and a second beam which are arranged at an interval up and down;
the first composite post insulators are provided with a plurality of first composite post insulators and are respectively arranged on the first cross beam and the second cross beam;
the second composite post insulators are provided with a plurality of second composite post insulators and are respectively arranged on the first cross beam and the second cross beam;
and the third composite post insulators are provided with a plurality of composite posts and are arranged on the second cross beam.
Furthermore, the vertical section of the second cross beam is of a triangular structure.
Furthermore, the first wire hanging point, the second wire hanging point and the third wire hanging point comprise strain insulator strings.
Further, the first support and the second support both comprise a herringbone base and a stand column, and the stand column is vertically arranged above the herringbone base;
the upright post of the first bracket is parallel to the upright post of the second bracket;
the first wire hanging point is arranged on the upright post of the first bracket, and the second wire hanging point and the third wire hanging point are arranged on the upright post of the second bracket;
the beam frame is installed between the upright post of the first support and the upright post of the second support.
Furthermore, a second wire end of the second composite post insulator arranged on the first cross beam and a second wire hanging point are positioned in the same horizontal plane.
Furthermore, a third wire end of a third composite post insulator arranged on the second cross beam and a third wire hanging point are positioned in the same horizontal plane.
Furthermore, a first wire end of the first composite post insulator mounted on the first beam is higher than a second wire end of the second composite post insulator and lower than the first wire hanging point.
Furthermore, a first wire end and a second wire hanging point of the first composite post insulator arranged on the second cross beam are positioned in the same horizontal plane.
Further, the first support, the second support and the cross beam frame are all made of steel.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides a less distribution device tip three-phase conductor vertically side play line arrangement structure of area. The multi-layer framework beam type power distribution unit is used in an AIS/HGIS power distribution unit type, jumper conversion is avoided by arranging the multi-layer framework beam with a complex structure, and the outlet framework structure is simple. The device is used in a GIS power distribution device type, and avoids the arrangement of a side outlet framework and the extension of a GIS branch bus. The side direction outlet wire has the advantages of small occupied area, less investment and wide applicability, and is suitable for the side direction outlet wire of various voltage class power distribution devices of AIS, HGIS and GIS.
Drawings
FIG. 1a is a top view of a prior art HGIS side outlet line;
FIG. 1b is a side view of a prior art HGIS side outgoing line;
FIG. 1c is a schematic diagram of the prior art HGIS side out-line configuration;
FIG. 2a is a top view of a prior art GIS side outlet;
fig. 2b is a side view of a prior art GIS side outlet;
fig. 3 is a schematic structural diagram of the present invention;
fig. 4 is a left side schematic view of the present invention;
fig. 5 is a schematic top view of the present invention;
reference numerals: 1-a first scaffold; 2-a second scaffold; 3-a first composite post insulator; 4-a second composite post insulator; 5-a third composite post insulator; 6-a first hanging point; 7-a second hanging point; 8-a third hanging point; 9-a first beam; 10-second beam.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
As shown in the attached drawings, a lateral outgoing line arrangement structure for three-phase conductors at the end part of a power distribution device in a vertical mode comprises a first support 1, a second support 2, a cross beam frame, a first composite post insulator 3, a second composite post insulator 4 and a third composite post insulator 5; the beam frame is installed between the first bracket 1 and the second bracket 2.
One ends of the first composite post insulator 3, the second composite post insulator 4 and the third composite post insulator 5 are all arranged on the beam frame, and the other ends are all far away from the beam frame and respectively form a first wire end, a second wire end and a third wire end; the first wire end, the second wire end and the third wire end are all located on the same side of the cross beam frame, and the first wire end, the second wire end and the third wire end are staggered in pairs in space.
A first wire hanging point 6 is arranged on one side, close to the second bracket 2, of the first bracket 1; a second wire hanging point 7 and a third wire hanging point 8 are arranged on one side, far away from the first bracket 1, of the second bracket 2 at intervals up and down; the first wire hanging point 6 is higher than the second wire hanging point 7; the first wire hanging point 6, the second wire hanging point 7 and the third wire hanging point 8 are all located in the same vertical plane.
The first wire end and the first wire hanging point 6 form a first wire outlet structure, the second wire end and the second wire hanging point 7 form a second wire outlet structure, and the third wire end and the third wire hanging point 8 form a third wire outlet structure; every two of the three phase lines led out at intervals through the outgoing lines are arranged between the first support 1 and the second support 2 at intervals and are respectively led out through the first outgoing line structure, the second outgoing line structure and the third outgoing line structure.
The three phase lines are led out from the equipment in the substation through the outgoing line intervals and are positioned on one side of the substation far away from the positive outgoing line side. The three phase lines are arranged between the first support 1 and the second support 2 at intervals along the length direction of the cross beam frame. The first composite post insulator 3, the second composite post insulator 4 and the third composite post insulator 5 are all in the prior art, and the composite post insulator is composed of a glass fiber epoxy resin drawing rod, a silicon rubber shed and hardware fittings and integrally forms a rod-shaped structure. Not only has stable performance under the temperature environment of minus 60 ℃ to plus 200 ℃, but also has high tensile and bending strength and safe and reliable operation. The first wire end, the second wire end and the third wire end are provided with wire clamps respectively for installing and fixing corresponding phase wires respectively. The fastener is prior art, belongs to one of wire gold utensil. The beam frame provides mounting support for the first composite post insulator 3, the second composite post insulator 4 and the third composite post insulator 5. The first composite post insulator 3, the second composite post insulator 4 and the third composite post insulator 5 may all be mounted on the beam frame by prior art means, such as by bolting, etc. First wire end, second wire end and third wire end all are located the homonymy of crossbeam frame, lie in one side that backs on the back with substation station equipment promptly. First wire end, second wire end and third wire end two liang of dislocation in the space, three phase lines avoid three phase lines to contact with the crossbeam frame and ground connection through the supporting role of first wire end, second wire end and third wire end respectively, avoid three phase lines to interfere each other simultaneously between two liang, guarantee electrical safety. Through the cooperation of first wire end and first string line point 6, the cooperation of second wire end and second string line point 7, the cooperation of third wire end and third string line point 8, lead three phase lines respectively, in same vertical plane, three phase lines are finally qualified for the next round of competitions more than, the form level of middle and lower three-layer, and area is less. The three phase lines after being outgoing are vertical to the three phase lines led out at intervals. The first wire hanging point 6, the second wire hanging point 7 and the third wire hanging point 8 all comprise strain insulator strings.
In the embodiment shown in fig. 3, the phase lines a, B and C are arranged at intervals in pairs along the length direction of the beam frame. The A phase line sequentially passes through a first conductor end on the first composite post insulator 3 and a first wire hanging point 6 on the first support 1 and then is led out. The phase line B sequentially passes through a second wire end on the second composite post insulator 4 and a second wire hanging point 7 on the second support 2 and then is led out. The C phase line sequentially passes through a third wire end on the third composite post insulator 5 and a third wire hanging point 8 on the third support and then is led out. The ground wire E is horizontally led out through the strain insulator string at the top end of the first support 1 and is arranged at intervals with the A-phase lead. The phase lines A, B, C and the ground line E are all outgoing lines along the direction L5, after the outgoing lines are drawn, the phase lines A, B, C and the ground line E are all located in the same vertical plane, and the phase lines A, B, C and the ground line E are all perpendicular to the three phase lines led out at intervals. Has the advantages of small occupied space, simple device and convenient implementation.
The beam frame can be a plate-shaped structure, a rod-shaped structure and the like, at the moment, the first composite post insulator 3, the second composite post insulator 4 and the third composite post insulator 5 are arranged at intervals along the length direction of the beam frame, and the first wire end, the second wire end and the third wire end are arranged at intervals along the vertical direction. Preferably, the beam frame comprises a first beam 9 and a second beam 10 which are arranged at intervals up and down; the first composite post insulators 3 are provided with a plurality of insulators and are respectively arranged on the first cross beam 9 and the second cross beam 10; the second composite post insulators 4 are provided with a plurality of second composite post insulators and are respectively arranged on the first cross beam 9 and the second cross beam 10; the third composite post insulators 5 are provided with a plurality of ones, and are mounted on the second cross beam 10. The phase line A sequentially passes through the first conductor end of the first composite post insulator 3 arranged on the second cross beam 10, the first conductor end of the first composite post insulator 3 arranged on the first cross beam 9 and the first wire hanging point 6 and then is led out. The phase line B sequentially passes through a second wire end of the second composite post insulator 4 arranged on the second cross beam 10, a second wire end of the second composite post insulator 4 arranged on the first cross beam 9 and the second wire hanging point 7 and then is led out. The C-phase line sequentially passes through a third wire end of a third composite post insulator 5 arranged on the second cross beam 10 and a third wire hanging point 8 and then is led out. Set up the crossbeam frame into two-layer structure of upper and lower interval, increased the installation clearance between first composite post insulator 3, second composite post insulator 4 and the third composite post insulator 5, and then increase the interval space between first wire end, second wire end and the third wire end, guarantee electric safety.
The number of the first composite post insulators 3, the second composite post insulators 4 and the third composite post insulators 5 can be freely set according to installation requirements.
The first beam 9 and the second beam 10 may each be a plate-like structure, a rod-like structure, or the like. In the embodiment shown in fig. 4, it is preferable that the vertical cross section of the second beam 10 is a triangular structure.
The first support 1 and the second support 2 can be both vertically arranged columnar structures. Preferably, the first bracket 1 and the second bracket 2 both comprise a herringbone base and a vertical column, and the vertical column is vertically arranged above the herringbone base; the upright post of the first bracket 1 is parallel to the upright post of the second bracket 2; the first wire hanging point 6 is arranged on the upright post of the first bracket 1, and the second wire hanging point 7 and the third wire hanging point 8 are arranged on the upright post of the second bracket 2; the cross beam frame is arranged between the upright post of the first bracket 1 and the upright post of the second bracket 2. The herringbone base is arranged on the ground, plays a supporting role on the stand column, and is stable in structure and high in strength.
Preferably, the novel hydraulic support further comprises an inclined strut, one end of the inclined strut is connected with the top end of the herringbone base, and the other end of the inclined strut is installed on the ground. The inclined strut and the herringbone base form a tripod structure together, and the stability is better.
Preferably, the second wire end of the second composite post insulator 4 mounted on the first beam 9 and the second wire hanging point 7 are located in the same horizontal plane. The phase line B passes through the second conductor end of the second composite post insulator 4 and then turns to the second wire hanging point 7 along the horizontal direction.
Preferably, the third composite post insulator 5 mounted on the second beam 10 has a third wire end located in the same horizontal plane as the third hanging point 8. The C-phase line passes through the third conductor end of the third composite post insulator 5 and then turns to the third wire hanging point 8 along the horizontal direction.
Preferably, the first composite post insulator 3 mounted on the first beam 9 has a first wire end higher than the second wire end of the second composite post insulator 4 and lower than the first wire hanging point 6. The phase line a passes through the first conductor end of the first composite post insulator 3 and then turns upwards to the first wire hanging point 6.
Preferably, the first wire end of the first composite post insulator 3 mounted on the second beam 10 and the second wire hanging point 7 are located in the same horizontal plane.
Preferably, the first bracket 1, the second bracket 2 and the beam frame are all made of steel. The steel product has the advantages of high strength, strong corrosion resistance and the like.
The utility model discloses a go up to do the utility model discloses a concrete implementation can be seen from the implementation, the utility model provides a less distribution device tip three-phase conductor vertically side outlet wire arrangement structure of area. The automatic wire-leading-out framework is used in an AIS/HGIS power distribution device type, the arrangement of a plurality of layers of framework beams for jumper wire conversion is avoided, and the structure of the wire-leading-out framework is simple. The device is used in a GIS power distribution device type, and avoids the arrangement of a side outlet framework and the extension of a GIS branch bus. The side direction outlet wire has the advantages of small occupied area, less investment and wide applicability, and is suitable for the side direction outlet wire of various voltage class power distribution devices of AIS, HGIS and GIS.
Claims (10)
1. The utility model provides a distribution device tip three-phase conductor vertically side outlet wire arrangement structure which characterized in that: the composite post insulator comprises a first bracket (1), a second bracket (2), a cross beam frame, a first composite post insulator (3), a second composite post insulator (4) and a third composite post insulator (5);
the cross beam frame is arranged between the first bracket (1) and the second bracket (2);
one ends of the first composite post insulator (3), the second composite post insulator (4) and the third composite post insulator (5) are all arranged on the beam frame, and the other ends of the first composite post insulator, the second composite post insulator and the third composite post insulator are all far away from the beam frame and respectively form a first wire end, a second wire end and a third wire end;
the first wire end, the second wire end and the third wire end are all positioned at the same side of the beam frame, and the first wire end, the second wire end and the third wire end are staggered in pairs in space;
a first wire hanging point (6) is arranged on one side, close to the second support (2), of the first support (1); a second wire hanging point (7) and a third wire hanging point (8) are arranged on one side, far away from the first support (1), of the second support (2) at intervals up and down; the first wire hanging point (6) is higher than the second wire hanging point (7); the first wire hanging point (6), the second wire hanging point (7) and the third wire hanging point (8) are all positioned in the same vertical plane;
the first wire end and the first wire hanging point (6) form a first wire outlet structure, the second wire end and the second wire hanging point (7) form a second wire outlet structure, and the third wire end and the third wire hanging point (8) form a third wire outlet structure;
every two of the three phase lines led out at intervals through the outgoing lines are arranged between the first support (1) and the second support (2) at intervals and are respectively led out through the first outgoing line structure, the second outgoing line structure and the third outgoing line structure.
2. The power distribution apparatus end three-phase conductor vertical side outlet arrangement of claim 1, wherein: the beam frame comprises a first beam (9) and a second beam (10) which are arranged at intervals up and down;
the first composite post insulators (3) are provided with a plurality of insulators and are respectively arranged on the first cross beam (9) and the second cross beam (10);
the second composite post insulators (4) are provided with a plurality of second composite post insulators and are respectively arranged on the first cross beam (9) and the second cross beam (10);
the third composite post insulators (5) are provided with a plurality of insulators and are arranged on the second cross beam (10).
3. The power distribution apparatus end three-phase conductor vertical side outlet arrangement of claim 2, wherein: the vertical section of the second cross beam (10) is of a triangular structure.
4. The power distribution apparatus end three-phase conductor vertical side outlet arrangement of claim 1, wherein: and the first wire hanging point (6), the second wire hanging point (7) and the third wire hanging point (8) comprise strain insulator strings.
5. The power distribution apparatus end three-phase conductor vertical side outlet arrangement of claim 1, wherein: the first support (1) and the second support (2) both comprise a herringbone base and a stand column, and the stand column is vertically arranged above the herringbone base;
the upright post of the first bracket (1) is parallel to the upright post of the second bracket (2);
the first wire hanging point (6) is arranged on an upright post of the first bracket (1), and the second wire hanging point (7) and the third wire hanging point (8) are arranged on an upright post of the second bracket (2);
the cross beam frame is installed between the upright post of the first support (1) and the upright post of the second support (2).
6. The power distribution apparatus end three-phase conductor vertical side outlet arrangement of claim 2, wherein: and a second wire end of the second composite post insulator (4) arranged on the first cross beam (9) and a second wire hanging point (7) are positioned in the same horizontal plane.
7. The power distribution apparatus end three-phase conductor vertical side outlet arrangement of claim 2, wherein: and a third wire end of the third composite post insulator (5) arranged on the second cross beam (10) and a third wire hanging point (8) are positioned in the same horizontal plane.
8. The power distribution apparatus end three-phase conductor vertical side outlet arrangement of claim 2, wherein: and a first wire end of the first composite post insulator (3) arranged on the first cross beam (9) is higher than a second wire end of the second composite post insulator (4) and is lower than the first wire hanging point (6).
9. The power distribution apparatus end three-phase conductor vertical side outlet arrangement of claim 2, wherein: and a first wire end of the first composite post insulator (3) arranged on the second cross beam (10) and a second wire hanging point (7) are positioned in the same horizontal plane.
10. The power distribution apparatus end three-phase conductor vertical side outlet arrangement of claim 1, wherein: the first support (1), the second support (2) and the cross beam frame are all made of steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022089123.0U CN213026917U (en) | 2020-09-22 | 2020-09-22 | Vertical side outlet arrangement structure of three-phase conductor at end part of power distribution device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022089123.0U CN213026917U (en) | 2020-09-22 | 2020-09-22 | Vertical side outlet arrangement structure of three-phase conductor at end part of power distribution device |
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| CN213026917U true CN213026917U (en) | 2021-04-20 |
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| CN202022089123.0U Active CN213026917U (en) | 2020-09-22 | 2020-09-22 | Vertical side outlet arrangement structure of three-phase conductor at end part of power distribution device |
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