CN220725171U - Combined arrangement structure of fan foundation and box transformer foundation - Google Patents
Combined arrangement structure of fan foundation and box transformer foundation Download PDFInfo
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- CN220725171U CN220725171U CN202322354241.3U CN202322354241U CN220725171U CN 220725171 U CN220725171 U CN 220725171U CN 202322354241 U CN202322354241 U CN 202322354241U CN 220725171 U CN220725171 U CN 220725171U
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- fan
- box transformer
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- upright posts
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- 238000012423 maintenance Methods 0.000 claims abstract description 19
- 238000009423 ventilation Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 7
- 238000009825 accumulation Methods 0.000 abstract description 2
- 238000010248 power generation Methods 0.000 description 8
- 238000009412 basement excavation Methods 0.000 description 6
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 4
- 235000017491 Bambusa tulda Nutrition 0.000 description 4
- 241001330002 Bambuseae Species 0.000 description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 4
- 239000011425 bamboo Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000009933 burial Methods 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Wind Motors (AREA)
Abstract
The utility model discloses a combined arrangement structure of a fan foundation and a box transformer foundation, which comprises the fan foundation and the box transformer foundation, wherein a fan tower is arranged on the fan foundation, four rectangular upright posts are arranged on the fan foundation, a platform is arranged after the upper ends of the upright posts extend out of the ground, a plurality of circles of cross beams are arranged between the four upright posts, walls are arranged between every two adjacent upright posts, four walls are surrounded to form an overhaul room, and a bridge is arranged between the lower part of the fan tower and the overhaul room. The wind turbine foundation and the box transformer foundation are reasonable in structural arrangement, short in cable length, small in difficulty in cable construction and operation and maintenance, and difficult in water accumulation of the foundation.
Description
Technical Field
The utility model relates to the technical field of wind power generation, in particular to a combined arrangement structure of a fan foundation and a box transformer foundation.
Background
Typically, wind turbines are located relatively far from the load center, and voltage needs to be raised by a step-up device to deliver the electrical energy generated by the wind turbines to a relatively long distance, and the step-up device typically employs a box-type transformer. The box-type transformer is integrated into a box body to replace the traditional distribution room, and is usually installed on the ground outside the fan tower, and the box-type transformer foundation is the foundation of the box-type transformer.
At present, the following problems exist in the arrangement structure of a fan foundation and a box transformer foundation of a wind generating set: firstly, the fan foundation and the box transformer foundation are independently designed, the box transformers are arranged at the position about 15m away from the fan, a long low-voltage cable is connected between the fan and the box transformers, and a cable buried pipe is arranged in the fan foundation, so that the difficulty of cable laying construction, operation and maintenance and the electric energy loss are high; secondly, the split type box transformer foundation needs to be separately characterized, occupies part of the characterization area, has the problems of use limitation and overhigh manufacturing cost, and along with the continuous refreshing of the height of the fan tower, the height of the fan tower is continuously refreshed, the diameter of the tower foundation is continuously increased, and the permanent occupation area of the wind power plant is continuously increased due to the separate construction of the traditional box transformer foundation and the fan foundation, so that the problem of limiting the rapid development of the wind power industry is solved; thirdly, the traditional box transformer foundation adopts box foundation more, has the rock foundation pit excavation, foundation ponding scheduling problem. Therefore, the combined arrangement structure with short cable length, small construction and operation and maintenance difficulty and difficult water accumulation is objectively required.
Disclosure of Invention
The utility model aims to provide a combined arrangement structure which is short in cable length, simple in construction and operation and maintenance and not easy to accumulate water.
The utility model aims at realizing the purposes, comprising a fan foundation and a box transformer foundation, wherein a fan tower barrel is arranged on the fan foundation, four rectangular upright posts are arranged on the fan foundation, a platform is arranged at the upper ends of the upright posts, a plurality of circles of cross beams are arranged between the four upright posts, walls are arranged between every two adjacent upright posts, a maintenance room is formed by surrounding the four walls, and a bridge frame is arranged between the lower part of the fan tower barrel and the maintenance room.
Further, a firewall is arranged on the platform close to one side of the fan tower.
Further, a circle of fence is arranged around the platform, an anti-icing net is arranged above the platform, and the anti-icing net is fixedly connected with the fence through a connecting rod.
Further, a cable bracket is arranged in the overhaul room.
Further, an access door and a ventilation opening are arranged on the wall body.
Further, the height between the platform and the ground is not less than 2m.
According to the combined structure of the fan foundation and the box transformer foundation, the box transformer foundation is arranged on the fan foundation, the structure is reasonable, compared with the traditional design mode that the fan foundation and the box transformer foundation are mutually independent, the distance between the fan foundation and the box transformer foundation is greatly shortened, on one hand, the laying length of a low-voltage cable is shortened, the consumption of the low-voltage cable is reduced, the cost is reduced, the loss of electric energy in the conveying process is reduced, on the other hand, the fan and the box transformer can be connected only by installing the low-voltage cable in a bridge, and two ends of the low-voltage cable are respectively connected with the fan and the box transformer, and cable burial pipes are not required to be arranged in the fan foundation, so that the construction difficulty and the operation and maintenance difficulty of the low-voltage cable are greatly reduced; secondly, compared with the traditional split type box transformer foundation, the box transformer foundation in the structure does not need to be separately characterized, is arranged on a fan foundation, saves land, reduces foundation excavation engineering quantity and wind power generation occupied area, quickens construction progress, shortens construction period, reduces construction cost and cost of wind power generation, and improves construction efficiency of wind power generation; in addition, the stand column and the cross beam form a frame structure, when the construction is carried out, the bottom of the foundation can be tamped by filling soil, and rainwater can be naturally discharged, so that the problems of accumulated water in the excavation of a rock foundation pit and accumulated water in the foundation of the traditional box foundation are solved, and the service life of the box foundation is prolonged while the construction is convenient.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
in the figure: 1-fan foundation, 2-fan tower, 3-upright post, 4-platform, 5-beam, 6-wall, 7-maintenance room, 8-bridge, 9-firewall, 10-fence, 11-anti-icing net, 12-cable bracket, 13-access door and 14-ventilation opening.
Description of the embodiments
The utility model is further described below with reference to the accompanying drawings, without limiting the utility model in any way, and any alterations or modifications based on the utility model are within the scope of the utility model.
As shown in fig. 1, the utility model comprises a fan foundation 1 and a box transformer foundation, wherein a fan tower barrel 2 is arranged on the fan foundation 1, the fan foundation 1 and the fan tower barrel 2 are of the prior art, four upright posts 3 which are arranged in a rectangular mode are arranged on the fan foundation 1, a platform 4 is arranged after the upper ends of the upright posts 3 extend out to the upper part of the ground, a plurality of rings of cross beams 5 are arranged between the four upright posts 3, the upright posts 3 and the cross beams 5 form a frame structure, the upright posts 3 are fixed on the fan foundation 1, a wall body 6 is arranged between every two adjacent upright posts 3, a maintenance room 7 is surrounded between the four walls 6, a bridge frame 8 is arranged between the lower part of the fan tower barrel 2 and the maintenance room 7, and the bridge frame 8 is of the prior structure. In the implementation of the utility model, an oil pit is arranged at the top in the overhaul room 7, a steel grating is arranged at the top of the oil pit, and a box-type transformer is arranged on the platform 4 and is matched with the oil pit. When the method is implemented, the door of the fan tower drum 2 can be arranged on the opposite side of the fire wall 9, the direction of the climbing ladder is adjusted, and the length of the cable can be further saved.
According to the combined structure of the fan foundation 1 and the box transformer foundation, the box transformer foundation is arranged on the fan foundation 1, the structure is reasonable, compared with the traditional design mode that the fan foundation 1 and the box transformer foundation are mutually independent, the distance between the two is greatly shortened, on one hand, the laying length of a low-voltage cable is shortened, the consumption of the low-voltage cable is reduced, the cost is reduced, the loss of electric energy in the conveying process is reduced, on the other hand, the fan and the box transformer can be connected only by installing the low-voltage cable in a bridge frame 8, and two ends of the low-voltage cable are respectively connected with the fan and the box transformer, a cable buried pipe is not required to be arranged in the fan foundation 1, the construction difficulty and the operation maintenance difficulty of the low-voltage cable are greatly reduced, and the integrity of concrete of the fan foundation 1 is enhanced; secondly, compared with the traditional split type box transformer foundation, the box transformer foundation in the structure does not need to be separately characterized, is arranged on the fan foundation 1, saves land, reduces foundation excavation engineering quantity and wind power generation occupied area, quickens construction progress, shortens construction period, reduces construction cost and cost of wind power generation, and improves construction efficiency of wind power generation; in addition, the upright posts 3 and the cross beams 5 form a frame structure, when in implementation, the bottom of the foundation can be tamped by filling soil, and rainwater can be naturally discharged, so that the problems of accumulated water in excavation of a rock foundation pit and accumulated water in the foundation of the traditional box foundation are solved, and the service life of the box foundation is prolonged while the construction is facilitated.
Be provided with on platform 4 near fan tower section of thick bamboo 2 one side and prevent wall 9, prevent wall 9 is located one side of platform 4, and when implementing, prevent wall 9 is located between box transformer and the fan tower section of thick bamboo 2, separates box transformer and fan tower section of thick bamboo 2, when box transformer takes place the conflagration, prevent wall 9 can shelter from and keep apart the flame, can play the guard action to fan tower section of thick bamboo 2, reduce the loss.
The platform 4 is provided with round rail 10 all around, rail 10 is current structure, play the guard action, prevent that personnel from unexpected falling the ground from platform 4, the top of platform 4 is provided with anti-icing net 11, anti-icing net 11 passes through connecting rod and rail 10 fixed connection, in winter or cold season of weather, can freeze on the blade of fan, these ices can drop on the box transformer, cause the damage to the box transformer, in order to prevent this kind of problem, set up anti-icing net 11 in the top of platform 4, when ice drops, play the barrier effect, avoid the fan operation to get rid of ice risk, prevent box transformer to receive the harm, the life of extension box transformer.
In order to facilitate the wiring of the low-voltage cable, a cable support 12 is arranged in the overhaul room 7, and after the low-voltage cable is connected into the overhaul room 7, the low-voltage cable is arranged on the cable support 12, and the cable support 12 plays a supporting role.
Be provided with access door 13 and vent 14 on wall body 6, in order to be convenient for the staff get into the maintenance room 7 and carry out fortune and maintenance to the cable of maintenance, be provided with access door 13 on wall body 6 of maintenance room 7 one side, simultaneously, low voltage cable can dispel the heat in the use, in order to be convenient for low voltage cable's heat dissipation, set up vent 14 on the wall body 6 of access door 13, during practical implementation, in order to prevent worm bird and debris from getting into maintenance room 7 from vent 14, can set up the interception net in vent 14 department.
The height between the platform 4 and the ground is not less than 2m, in the utility model, the overhaul room 7 is used for transporting and overhauling the low-voltage cable, the height between the platform 4 and the ground is the height of the overhaul room 7, in order to facilitate the operation of staff, the height of the overhaul room 7 is not less than 2m, a sufficient operation space is provided for the operation and maintenance of the low-voltage cable, and the incoming line path of the low-voltage cable is clearer, and the height of the platform 4 is 2.2m when the utility model is implemented.
When the fan foundation structure is used, in order to optimize the arrangement structure between the fan foundation 1 and the box transformer foundation, the center line of the box transformer foundation can be positioned in the radial direction of the fan foundation 1, and the structure between the fan foundation 1 and the box transformer foundation is more reasonable.
Through practical verification, in a wind power generation project, the number of box transformer foundations is 48, and calculated according to the foundation land area of 30 square meters, the box transformer area of 1440 square meters can be reduced, the permanent land collection expense of about 12.76 ten thousand yuan is saved, meanwhile, the problem that the box position cannot be determined in the earlier stage of the project is solved, the problem of reporting the box transformer land in the earlier stage of the project is solved, and the promotion of the front-stage thematic report is facilitated. The civil engineering quantity of the box transformer foundation is reduced, the box transformer foundation is located on the fan foundation 1, backfilling is carried out on the box transformer foundation and the fan foundation 1 at the same time, the amount of 2160m of excavation can be reduced by 48 foundations, 1923m of backfilling is reduced, the engineering cost is reduced by about 7.5 ten thousand yuan, meanwhile, the box transformer foundation does not need foundation treatment, the problem that the box is located in a platform backfilling area is solved, an anti-icing net 11 is arranged for protection, a firewall 9 is isolated, and the equipment is safe and reliable to operate. The utility model has been popularized and applied in the construction of a plurality of wind power plants in Yunnan.
Claims (6)
1. The combined type arrangement structure of the fan foundation and the box transformer foundation comprises the fan foundation (1) and the box transformer foundation, wherein a fan tower (2) is arranged on the fan foundation (1), and the combined type arrangement structure is characterized in that four upright posts (3) which are arranged in a rectangular mode are arranged on the fan foundation (1), a platform (4) is arranged after the upper ends of the upright posts (3) extend out of the ground, a plurality of rings of cross beams (5) are arranged between the four upright posts (3), wall bodies (6) are arranged between every two adjacent upright posts (3), a maintenance room (7) is formed by surrounding the four-side wall bodies (6), and a bridge frame (8) is arranged between the lower portion of the fan tower (2) and the maintenance room (7).
2. A combined arrangement of a fan foundation and a box transformer foundation according to claim 1, wherein a firewall (9) is arranged on the platform (4) at the side close to the fan tower (2).
3. The combined type arrangement structure of the fan foundation and the box transformer foundation according to claim 1, wherein a circle of fence (10) is arranged around the platform (4), an anti-icing net (11) is arranged above the platform (4), and the anti-icing net (11) is fixedly connected with the fence (10) through a connecting rod.
4. The combined arrangement structure of the fan foundation and the box transformer foundation according to claim 1, wherein a cable bracket (12) is arranged in the overhaul room (7).
5. The combined arrangement structure of the fan foundation and the box transformer foundation according to claim 1, wherein an access door (13) and a ventilation opening (14) are arranged on the wall body (6).
6. A combined fan foundation and box transformer foundation arrangement according to claim 1, characterized in that the height between the platform (4) and the ground is not less than 2m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322354241.3U CN220725171U (en) | 2023-08-31 | 2023-08-31 | Combined arrangement structure of fan foundation and box transformer foundation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322354241.3U CN220725171U (en) | 2023-08-31 | 2023-08-31 | Combined arrangement structure of fan foundation and box transformer foundation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220725171U true CN220725171U (en) | 2024-04-05 |
Family
ID=90492205
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322354241.3U Active CN220725171U (en) | 2023-08-31 | 2023-08-31 | Combined arrangement structure of fan foundation and box transformer foundation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220725171U (en) |
-
2023
- 2023-08-31 CN CN202322354241.3U patent/CN220725171U/en active Active
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