CN215497557U

CN215497557U - Indoor GIS roof truss wire outgoing structure

Info

Publication number: CN215497557U
Application number: CN202121786424.7U
Authority: CN
Inventors: 胡龙龙; 杨柳; 徐晨; 郑建南; 朱俊
Original assignee: PowerChina Jiangxi Electric Power Engineering Co Ltd
Current assignee: PowerChina Jiangxi Electric Power Engineering Co Ltd
Priority date: 2021-08-02
Filing date: 2021-08-02
Publication date: 2022-01-11
Anticipated expiration: 2031-08-02

Abstract

The utility model relates to an indoor GIS roof truss wire outgoing structure, and belongs to the technical field of power equipment arrangement structures. This indoor GIS roof truss sky line outgoing structure includes GIS equipment and is used for supporting the pylon of GIS equipment output line, the pylon includes two support frameworks and connects at two three tie-beams that support the framework, through set up the tie-beam of three different groups between two support frameworks to set up four strain insulator strings at every group tie-beam, all draw forth the strain insulator string on the different tie-beam with each looks of GIS equipment, realized that four lead-out wires share one and stride the frame, compressed substantially the interval width between the phase line, reduced the length of GIS equipment generating line section of thick bamboo simultaneously, reduced equipment cost when utilizing land resource rationally effectively.

Description

Indoor GIS roof truss wire outgoing structure

Technical Field

The utility model belongs to the technical field of power equipment arrangement structures, and particularly relates to an indoor GIS roof truss outgoing line structure.

Background

With the continuous development of power grids, the three-dimensional space of the transformer substation is fully utilized, the design concept of space plane changing is adopted, the 220kV GIS power distribution device is arranged in a building, the overall space utilization rate of the transformer substation is improved, and the function area stacking arrangement is realized. According to the existing design concept and method, the 220kV power distribution device of the transformer substation adopts GIS equipment, the longitudinal size of the power distribution device is greatly optimized in arrangement, however, the currently designed outgoing line framework generally still adopts a conventional linear outgoing line door-shaped framework, two outgoing line leads share a span framework, the width of the framework is 24m, and the framework is arranged in a power distribution device field, so that the transverse size of the power distribution device is not effectively optimized. Due to the limitation of a site, the substation does not have enough site to realize the outgoing line scale in the planning, so that the scale of the substation is limited, and the development of a power grid is restricted.

SUMMERY OF THE UTILITY MODEL

In view of this, an object of the embodiments of the present invention is to provide an indoor GIS roof truss outgoing line structure, in which three groups of horizontal connecting beams are arranged between two supporting frameworks, and four strain insulator strings are arranged on each group of connecting beams, so that each phase line of a GIS device is led out through the four strain insulator strings, thereby realizing that the outgoing lines of the four phase lines share one span, greatly reducing the outgoing line interval width, effectively reducing the length of a GIS device bus bar barrel, and effectively improving the space utilization rate of a GIS power distribution device.

The embodiment of the utility model is realized by the following steps:

the embodiment of the utility model provides an indoor GIS roof truss aerial outgoing structure which comprises GIS equipment and a tower for supporting an output line of the GIS equipment, wherein the tower comprises two supporting frameworks and three groups of connecting beams for connecting the two supporting frameworks, the three groups of connecting beams are distributed along the horizontal direction and are parallel and coplanar with each other, the GIS equipment is provided with an A-phase outgoing sleeve, a B-phase outgoing sleeve and a C-phase outgoing sleeve which are used for leading out three phase lines of the GIS equipment respectively, any connecting beam is provided with four strain insulator strings along the length direction, the three phase lines of the GIS equipment are suspended through the strain insulator strings on the three groups of connecting beams respectively, and each phase is suspended and led out by the four strain insulator strings.

As an alternative of the above embodiment, the GIS device is further provided with three lead pipes for leading out the phase a outgoing line bushing, the phase B outgoing line bushing, and the phase C outgoing line bushing, and the three lead pipes are respectively and correspondingly connected with the phase a outgoing line bushing, the phase B outgoing line bushing, and the phase C outgoing line bushing.

As the alternative of above-mentioned embodiment, all be provided with waterproof component on A looks wire casing, B looks wire casing and the C looks wire casing, waterproof component includes mount pad and waterproof packing ring, set up the phase line clearing hole that is used for the phase line to pass on the mount pad, the mount pad top is provided with the packing ring mounting groove, waterproof packing ring inlays to be located packing ring mounting groove and cover are located the phase line.

As an alternative to the above embodiment, the phase a outgoing line bushing, the phase B outgoing line bushing and the phase C outgoing line bushing are coplanar and are all arranged in a vertical direction.

As an alternative to the above described embodiment, the distance between two of the support frames is 23.5m and the height of the connecting beams of three sets is 14.1m, 19.6m and 25.6m, respectively.

As an alternative to the above embodiment, the top of the support frame is also provided with lightning conductors.

As an alternative to the above embodiment, the support frame is a-shaped and includes a steel bar arranged in a vertical direction, a support bar arranged obliquely with respect to the steel bar, and a horizontal bar connecting the steel bar and the support bar.

As an alternative of the above embodiment, an aviation obstruction light holder is arranged at the upper end of the steel rod, the aviation obstruction light holder comprises an upper support, a lower support and a connecting frame, the three upper supports are distributed on the steel rod in an annular array manner, the three lower supports are distributed on the steel rod in an annular array manner, and the upper support and the lower supports are connected through the connecting frame and jointly form a triangular platform structure.

As an alternative of the above embodiment, the connecting beams of the three groups are sequentially an upper connecting beam, a middle connecting beam and a lower connecting beam from high to low according to the set height, the upper connecting beam suspends the phase line C, the middle connecting beam suspends the phase line B, and the lower connecting beam correspondingly suspends the phase line a.

As an alternative of the above embodiment, the support frame is provided with pillar insulator strings distributed in the vertical direction, and the C-phase line of the GIS device is suspended on the upper connecting beam through the pillar insulator strings in a traction manner.

The utility model has the beneficial effects that:

according to the indoor GIS roof truss outgoing structure, the three groups of different connecting beams are arranged between the two supporting frameworks, the four tension insulator strings are arranged on each group of connecting beams, each phase of GIS equipment is led out through the tension insulator strings on the different connecting beams, the four phase lines share one span, the interval width between the phase lines is greatly reduced, the length of a GIS equipment bus barrel is reduced, land resources are reasonably and effectively utilized, and the equipment cost is reduced.

According to the utility model, the waterproof assemblies are arranged on the phase-A outgoing line sleeve, the phase-B outgoing line sleeve and the phase-C outgoing line sleeve, and the waterproof gaskets on the waterproof assemblies are utilized to effectively prevent rainwater from entering from a gap between the outgoing line sleeve and the phase line, so that the waterproof assembly is effective in waterproofing.

According to the utility model, the aviation obstruction lamp bracket is arranged at the top of the steel rod, so that the condition that flyers collide under night conditions can be effectively avoided.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts. The above and other objects, features and advantages of the present invention will become more apparent from the accompanying drawings. Like reference numerals refer to like parts throughout the drawings. The drawings are not necessarily to scale, emphasis instead being placed upon illustrating the principles of the utility model.

Fig. 1 is a schematic structural diagram of an indoor GIS roof truss outgoing line structure according to an embodiment of the present invention;

FIG. 2 is a view in direction A provided by an embodiment of the present invention;

FIG. 3 is a view of an aircraft obstruction light fixture B according to an embodiment of the utility model;

FIG. 4 is an enlarged view of a portion of a waterproof assembly according to an embodiment of the present invention;

icon: 10-a GIS device; 101-a wire guide; 11-a tower; 111-a support frame; 112-a steel rod; 113-horizontal bar; 114-a support bar; 115-lightning conductor; 12-a wire outlet sleeve; a 121-A phase outgoing line sleeve; a 122-B phase outgoing line sleeve; a 123-C phase outgoing line sleeve; 13-strain insulator string; 14-post insulator string; 15-connecting the beams; 151-upper connecting beam; 152-middle connecting beam; 153-lower connecting beam; 16-an aircraft obstruction light fixture; 161-upper support; 162-lower support; 163-a connecting frame; 17-a waterproof assembly; 171-a mount; 172-gasket mounting groove; 173-waterproof gasket; the 174-phase line passes through the aperture.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

Examples

Referring to fig. 1-2, the embodiment of the utility model provides an indoor GIS roof truss wire outlet structure, which is composed of GIS equipment 10 and a tower 11, wherein the tower 11 comprises two parallel supporting frames 111 and three groups of connecting beams 15 for connecting the two supporting frames 111. The connection beam 15 in this embodiment is laid in the horizontal direction.

Wherein the distance between the two supporting frames 111 is selected through a plurality of field measurements and experiments, and the distance between the two supporting frames 111 is 23.5m in the embodiment.

The support frame 111 may adopt the following structure, but is not limited to this structure:

the support frame 111 includes a steel bar 112 disposed in a vertical direction, a support bar 114 disposed to be inclined with respect to the steel bar 112, and a horizontal bar 113 connecting the steel bar 112 and the support bar 114. The supporting frame 111 forms a stable A-shaped structure, the horizontal rod 113, the supporting rod 114 and the steel rod 112 intersect and form a triangular structure, and the triangular structure has good stability.

The three sets of connecting beams 15 are parallel and simultaneously located in the same vertical plane. The three connecting beams 15 comprise a lower connecting beam 153 with the height from the ground of 14.1m, a middle connecting beam 152 with the height from the ground of 19.6m and an upper connecting beam 151 with the height from the ground of 25.6 m. Two steel poles 112 are connected respectively to three tie-beam 15 both ends, set up three group's tie-beam 15 in same vertical plane, and this space that will reduce tie-beam 15 and occupy also to improve land resource utilization.

The lower connecting beam 153 is a frame beam constituting a house.

In addition, a lightning rod 115 is provided on the top of the support frame 111.

The GIS device 10 leads out three phase lines through three different lead conduits 101, the ends of the three lead conduits 101 are respectively connected with an a-phase outgoing ferrule 121, a B-phase outgoing ferrule 122 and a C-phase outgoing ferrule 123, it should be noted that the a-phase outgoing ferrule 121, the B-phase outgoing ferrule 122 and the C-phase outgoing ferrule 123 are all arranged along the vertical direction and are also located on the same plane, and the plane is perpendicular to the bus of the GIS device 10. In this way, the space occupied by the phase a outgoing line bushing 121, the phase B outgoing line bushing 122 and the phase C outgoing line bushing 123 is reduced as much as possible, and the space utilization rate is further improved.

The phase-B outgoing line bushing 122 and the phase-C outgoing line bushing 123 are led out to the top of the lower connecting beam 153 through the wire guide 101, and the phase-A outgoing line bushing 121 is located below the lower connecting beam 153.

The phase a outgoing line sleeve 121 is arranged on one side of the steel pole 112, the phase C outgoing line sleeve 123 is arranged on the other side of the steel pole 112, and the phase B outgoing line sleeve 122 is close to the steel pole 112 and is arranged between the phase a outgoing line sleeve 121 and the phase C outgoing line sleeve 123. This allows the three phase lines of the GIS device 10 to be separated as much as possible.

Referring to fig. 2, four strain insulator strings 13 are arranged on each group of connecting beams 15, each phase line of the GIS device 10 is led out by four strain insulator strings 13, the distance between the strain insulator strings 13 can be adjusted, and the adoption of two adjacent strain insulator strings 13 in the embodiment is 5.5m or 6m through experiments and researches.

And the phase line A on the phase-A outgoing sleeve 121 is fixed by the strain insulator string 13 on the lower connecting beam 153 and then led out.

And the phase B line on the phase B outgoing line sleeve 122 is led out after being fixed through the strain insulator string 13 on the middle connecting beam 152.

The middle connecting beam 152 is provided with pillar insulator strings 14 distributed in the vertical direction, and a C phase line on the C phase outgoing line sleeve 123 is suspended and pulled to the upper connecting beam 151 through the pillar insulator strings 14 and is suspended and fixed through a strain insulator string 13 on the upper connecting beam 151 and then led out. The pillar insulator string 14 is used to separate the C-phase line from the B-phase line connected to the middle connection beam 152, and thus the pillar insulator string 14 is used to suspend the C-phase line in a traction manner.

Referring to fig. 3, the upper end of the steel rod 112 is provided with an aircraft obstacle lamp holder 16, and the aircraft obstacle lamp holder 16 includes three upper brackets 161, three lower brackets 162, and three connecting brackets 163. The upper support 161 and the lower support 162 are connected by a connecting support 163, and the upper support 161, the lower support 162 and the connecting support 163 together form a triangular platform structure. The length of the upper bracket 161 is three times or more than the length of the lower bracket 162, the whole triangular platform structure is in an inverted state, each surface on the triangular platform can be approximately regarded as a triangle, and the triangular structure is stable, so that the aviation obstruction lamp holder 16 has stability as a whole. An aviation obstruction light can be arranged on the upper bracket 161.

Referring to fig. 4, the phase a outgoing line bushing 121, the phase B outgoing line bushing 122 and the phase C outgoing line bushing 123 are all provided with a waterproof assembly 17, the waterproof assembly 17 is used for preventing water from entering through the outgoing line bushing of the building, and the waterproof assembly 17 includes a mounting seat 171 and a waterproof gasket 173.

Phase line through holes 174 are formed in the central axis of the mounting seat 171, the phase lines of the GIS device 10 pass through the mounting seat 171, the mounting seat 171 comprises an outer side surface provided with an inclined surface portion, rainwater can be guided away through the inclined surface portion and cannot be accumulated in the inclined surface portion, a gasket mounting groove 172 is formed in the top of the mounting seat 171, a waterproof gasket 173 is arranged in the gasket mounting groove 172, and the phase lines of the GIS device 10 pass through the waterproof gasket 173.

It should be noted that the waterproof gasket 173 is made of rubber and a certain tightness is maintained between the waterproof gasket 173 and the phase line of the GIS device 10.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The indoor GIS roof truss aerial outgoing structure is characterized by comprising GIS equipment and a tower for supporting an output line of the GIS equipment, wherein the tower comprises two supporting frameworks and three groups of connecting beams for connecting the two supporting frameworks, the three groups of connecting beams are distributed in the horizontal direction and are parallel and coplanar with each other, an A-phase outgoing sleeve, a B-phase outgoing sleeve and a C-phase outgoing sleeve are arranged on the GIS equipment and are used for leading out three phase lines of the GIS equipment respectively, four strain insulator strings are arranged on any one connecting beam in the length direction, the three phase lines of the GIS equipment are suspended through the strain insulators on the three groups of connecting beams respectively, and each phase is suspended and led out through the four strain insulator strings.

2. The indoor GIS roof truss aerial outlet structure according to claim 1, wherein three lead pipes for leading out an A-phase outlet bushing, a B-phase outlet bushing and a C-phase outlet bushing are further arranged on the GIS equipment, and the three lead pipes are respectively and correspondingly connected with the A-phase outlet bushing, the B-phase outlet bushing and the C-phase outlet bushing.

3. The indoor GIS roof truss aerial outlet structure according to claim 1, wherein waterproof components are arranged on the phase A outlet sleeve, the phase B outlet sleeve and the phase C outlet sleeve, each waterproof component comprises a mounting seat and a waterproof gasket, phase line passing holes for phase lines to pass through are formed in the mounting seats, gasket mounting grooves are formed in the tops of the mounting seats, and the waterproof gaskets are embedded in the gasket mounting grooves and sleeved on the phase lines.

4. The indoor GIS roof rack breakout structure of claim 1, wherein the phase a breakout tubes, the phase B breakout tubes, and the phase C breakout tubes are coplanar and all vertically disposed.

5. An indoor GIS rooftop rack breakout structure according to claim 1 wherein the distance between two of said support trusses is 23.5m and the height of three sets of said connecting beams are 14.1m, 19.6m and 25.6m respectively.

6. An indoor GIS rooftop rack breakout structure according to claim 1 wherein said support frame top is further provided with lightning conductors.

7. An indoor GIS rooftop rack breakout structure according to claim 1 wherein said support frame is a-shaped and comprises a steel rod disposed in a vertical direction, a support rod disposed obliquely to said steel rod and a horizontal rod connecting said steel rod and said support rod.

8. The indoor GIS roof truss outgoing structure of claim 7, wherein an aviation barrier lamp holder is arranged at the upper end of the steel rod, the aviation barrier lamp holder comprises an upper support, a lower support and a connecting frame, the three upper supports are distributed on the steel rod in an annular array mode, the three lower supports are distributed on the steel rod in an annular array mode, and the upper support and the lower support are connected through the connecting frame and jointly form a triangular frustum structure.

9. The indoor GIS roof truss wire outgoing structure as claimed in claim 1, wherein the three groups of connecting beams are an upper connecting beam, a middle connecting beam and a lower connecting beam in sequence from high to low according to the set height, the upper connecting beam suspends a phase line C, the middle connecting beam suspends a phase line B, and the lower connecting beam correspondingly suspends a phase line A.

10. The indoor GIS rooftop rack outgoing structure of claim 9, wherein the support frame is provided with a plurality of pillar insulator strings distributed in a vertical direction, and the C-phase wires of the GIS equipment are hung on the upper connecting beam through the pillar insulator strings in a traction manner.