CN203397826U - Transformer installation structure - Google Patents
Transformer installation structure Download PDFInfo
- Publication number
- CN203397826U CN203397826U CN201320371208.5U CN201320371208U CN203397826U CN 203397826 U CN203397826 U CN 203397826U CN 201320371208 U CN201320371208 U CN 201320371208U CN 203397826 U CN203397826 U CN 203397826U
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- transformer
- wire
- electric poles
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- arm
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- 238000009434 installation Methods 0.000 title abstract description 8
- 239000012212 insulator Substances 0.000 claims abstract description 11
- 238000009413 insulation Methods 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 241000272165 Charadriidae Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
The utility model discloses a transformer installation structure. The transformer installation structure comprises two electric poles, a transformer, a control cabinet, a grounding wire and an extended four-wire cross arm, wherein the transformer and the control cabinet are arranged in the middles of the electric poles by virtue of cross arms; the high-voltage input end and low-voltage output end of the transformer are respectively connected with high-voltage lead-out wires and low-voltage lead-out wires; the high-voltage lead-out wires penetrate through a space between the two electric poles through a high-voltage cross arm which is arranged at the top ends of the two electric poles and insulators which are arranged on the high-voltage cross arm, and are connected with the high-voltage input end of the transformer; one end of the extended four-wire cross arm is fixed on the top of one of the electric poles; the low-voltage lead-out wires are connected with insulators on the top of the extended four-wire cross arm. The transformer installation structure has the advantages that the extended four-wire cross arm is arranged at the top end of one of the electric poles, one end of the extended four-wire cross arm is fixedly connected with the electric pole, and the four low-voltage lead-out wires are connected with the insulators on the extended four-wire cross arm; through the installation structure, three of the low-voltage lead-out wires are positioned outside the electric pole to ensure a safety distance between the low-voltage lead-out wires and the high-voltage lead-out wires; meanwhile, an interval between the electric poles is not increased, and an installation space is saved.
Description
Technical field
The utility model relates to electric power system transformation device technical field, especially a kind of transformer mounting structure.
Background technology
According to distribution line standardization, require and ERP job requirement, in order to ensure transformer, use safety, in transformer installation process, the root of two electric poles is opened and is necessary for 2.5 meters, existing transformer mounting structure comprises two electric poles, by means of cross-arm, be arranged on two transformer and control cubicles between electric pole, and high-voltage connection and the fuse of installation placed in the middle between two electric poles, transformer output connects four low pressure lead-out wires, existingly for carrying the cross-arm middle part of low pressure lead-out wire, be connected with an electric pole wherein, so just there are two low pressure lead-out wires between two electric poles, distance between rightmost side low pressure lead-out wire and leftmost side high-voltage connection does not meet the 300mm that distribution line design discipline requires safe distance to require, in order to guarantee low-voltage lead and the safe distance that becomes platform high pressure downlead, must strengthen two spacing between electric pole, increase floor space, in order to meet the 2.5m requiring between two electric poles, have to install and carry out addressing again or repeat to connect with built on stilts low-voltage cable at transformer, long construction period, load inhomogeneous, construction cost is high.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of transformer mounting structure, keep between spacing, burden requirement and high-voltage connection between two electric poles and low pressure lead-out wire safe distance in situation, can guarantee the installing space of transformer, reduce installation cost.
For solving the problems of the technologies described above, technical solution adopted in the utility model is: a kind of transformer mounting structure, comprise two electric poles, by means of cross-arm, be arranged on transformer and control cubicle and the earth connection at two electric pole middle parts, transformer high-voltage input is connected respectively high-voltage connection and low pressure lead-out wire with low-voltage output, the high pressure cross-arm of high-voltage connection by being located at two electric pole tops with and on insulator in transformer high-voltage input, connect passing between two electric poles, also comprise that one end is fixed at the inclined to one side four-wire arm of a head of the mast, described low pressure lead-out wire is connected with the insulator at inclined to one side four-wire arm top.
Described inclined to one side four-wire arm is an angle steel, on its two limb, be provided for respectively fixed insulation and for being fixed in the through hole on electric pole, for the distance between the through hole of fixed insulation, be greater than between low pressure lead-out wire and require minimum range, described inclined to one side four-wire arm one end is connected with electric pole by means of anchor ear and its open segment outwards arranges.
Distance between described two electric poles is 2.5m.
Describedly be installed on the low pressure lead-out wire of the inclined to one side four-wire arm rightmost side and the distance between the high-voltage connection of the leftmost side is greater than 500mm.
The beneficial effect that adopts technique scheme to produce is: the inclined to one side four-wire arm being fixedly connected with it at an electric pole top mounting end, four low pressure lead-out wires are connected with the insulator on inclined to one side four-wire arm, this mounting structure can make three low pressure lead-out wires be positioned at electric pole outside, guarantee the safe distance between low pressure lead-out wire and high-voltage connection, can guarantee that the spacing between electric pole does not increase, save installing space simultaneously.
Accompanying drawing explanation
Fig. 1 is former transformer mounting structure schematic diagram;
Fig. 2 is the local mounting structure schematic diagram of Fig. 1 mesolow lead-out wire;
Fig. 3 is the utility model structural representation;
Fig. 4 is inclined to one side four-wire arm mounting structure schematic diagram in Fig. 3;
In the accompanying drawings: 1, electric pole; 2, transformer; 3, control cubicle; 4, earth electrode; 5, high-voltage connection; 6, inclined to one side four-wire arm; 7, low pressure lead-out wire.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
The utility model discloses a kind of transformer mounting structure, comprise two electric poles 1, by means of cross-arm, be arranged on transformer 2 and control cubicle 3 and the earth electrode 4 at two electric pole 1 middle parts, transformer 2 high voltage input terminal are connected respectively high-voltage connection 5 and low pressure lead-out wire 7 with low-voltage output, the high pressure cross-arm of high-voltage connection by being located at two electric pole 1 tops with and on insulator in transformer 2 high voltage input terminal, connect passing between two electric poles 1, also comprise that one end is fixed at the inclined to one side four-wire arm 6 at electric pole 1 top, described low pressure lead-out wire 7 is connected with the insulator at inclined to one side four-wire arm 6 tops.
Described inclined to one side four-wire arm 6 is an angle steel, on its two limb, be provided for respectively fixed insulation and for being fixed in the through hole on electric pole 1, for the distance between the through hole of fixed insulation, be greater than between low pressure lead-out wire and require minimum range, described inclined to one side four-wire arm 6 one end are connected with electric pole 1 by means of anchor ear and its open segment outwards arranges.
Distance between described two electric poles 1 is 2.5m.
Describedly be installed on the low pressure lead-out wire 7 of inclined to one side four-wire arm 6 rightmost sides and the distance between the high-voltage connection 5 of the leftmost side is greater than 500mm.
The utility model is by the inclined to one side four-wire arm being fixedly connected with it at an electric pole top mounting end, four low pressure lead-out wires are connected with the insulator on inclined to one side four-wire arm, this mounting structure can make three low pressure lead-out wires be positioned at electric pole outside, guarantee the safe distance between low pressure lead-out wire and high-voltage connection, can guarantee that the spacing between electric pole does not increase, save installing space simultaneously.
Claims (4)
1. a transformer mounting structure, comprise two electric poles (1), by means of cross-arm, be arranged on transformer (2) and control cubicle (3) and the earth electrode (4) at two electric poles (1) middle part, transformer (2) high voltage input terminal is connected respectively high-voltage connection (5) and low pressure lead-out wire (7) with low-voltage output, the high pressure cross-arm of high-voltage connection by being located at two electric poles (1) top with and on insulator in transformer (2) high voltage input terminal, connect passing between two electric poles (1), it is characterized in that: also comprise that one end is fixed at the inclined to one side four-wire arm (6) at an electric pole (1) top, described low pressure lead-out wire (7) is connected with the insulator at inclined to one side four-wire arm (6) top.
2. a kind of transformer mounting structure according to claim 1, it is characterized in that: described inclined to one side four-wire arm (6) is an angle steel, on its two limb, be provided for respectively fixed insulation and for being fixed in the through hole on electric pole (1), for the distance between the through hole of fixed insulation, be greater than between low pressure lead-out wire and require minimum range, described inclined to one side four-wire arm (6) one end is connected with electric pole (1) by means of anchor ear and its open segment outwards arranges.
3. a kind of transformer mounting structure according to claim 1, is characterized in that: the distance between described two electric poles (1) is 2.5m.
4. a kind of transformer mounting structure according to claim 1, is characterized in that: described in the distance that is installed between the low pressure lead-out wire (7) of inclined to one side four-wire arm (6) rightmost side and the high-voltage connection (5) of the leftmost side be greater than 500mm.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201320371208.5U CN203397826U (en) | 2013-06-26 | 2013-06-26 | Transformer installation structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201320371208.5U CN203397826U (en) | 2013-06-26 | 2013-06-26 | Transformer installation structure |
Publications (1)
Publication Number | Publication Date |
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CN203397826U true CN203397826U (en) | 2014-01-15 |
Family
ID=49909340
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201320371208.5U Expired - Fee Related CN203397826U (en) | 2013-06-26 | 2013-06-26 | Transformer installation structure |
Country Status (1)
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CN (1) | CN203397826U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110164268A (en) * | 2019-05-22 | 2019-08-23 | 国网河北省电力有限公司衡水供电分公司 | A kind of power distribution network standardization power transformation platform teaching instrument |
CN110957658A (en) * | 2019-12-31 | 2020-04-03 | 贵州电网有限责任公司 | Rack transformer for 10kV distribution network overhead line and installation method thereof |
-
2013
- 2013-06-26 CN CN201320371208.5U patent/CN203397826U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110164268A (en) * | 2019-05-22 | 2019-08-23 | 国网河北省电力有限公司衡水供电分公司 | A kind of power distribution network standardization power transformation platform teaching instrument |
CN110957658A (en) * | 2019-12-31 | 2020-04-03 | 贵州电网有限责任公司 | Rack transformer for 10kV distribution network overhead line and installation method thereof |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140115 Termination date: 20140626 |
|
EXPY | Termination of patent right or utility model |