阅读说明：本技术 一种风机箱变基础 (Fan box becomes basis ) 是由 张习鹏 谢红生 郭胜普 李建刚 刘彬 徐祥 于 2021-08-17 设计创作，主要内容包括：本发明公开了一种风机箱变基础,包括：用于设置风力发电机的风机基础和设于风机基础上方的箱变基础,箱变基础包括用于设置箱式变压器的安装平台和用于支撑安装平台的立柱,风机基础的侧部设有用于固定立柱的杯口基础,杯口基础的顶部与地面平齐,立柱与安装平台的底部垂直连接。通过使用本发明所提供的风机箱变基础,可有效提高箱式变压器与风机的布局效果,有利于降低风力发电系统的占地情况、安装周期以及造价成本等。(The invention discloses a fan box transformer substation foundation, which comprises: a case becomes basis for setting up aerogenerator's fan basis and locating fan basis top, case become basis including the mounting platform that is used for setting up box transformer and the stand that is used for supporting mounting platform, and the lateral part of fan basis is equipped with the rim of a cup basis that is used for fixed stand, the top and the ground parallel and level of rim of a cup basis, stand and mounting platform's bottom is connected perpendicularly. By using the fan box transformer substation foundation provided by the invention, the layout effect of the box-type transformer and the fan can be effectively improved, and the occupation condition, the installation period, the manufacturing cost and the like of a wind power generation system can be favorably reduced.)

1. The utility model provides a fan case becomes basis which characterized in that includes: a case becomes basis (2) for setting up aerogenerator's fan basis (1) and locating fan basis (1) top, case becomes basis (2) including mounting platform (3) that are used for setting up box transformer and be used for supporting mounting platform (3) stand (4), the lateral part of fan basis (1) is equipped with and is used for fixing the rim of a cup basis (5) of stand (4), the top and the ground parallel and level of rim of a cup basis (5), stand (4) with the bottom of mounting platform (3) is connected perpendicularly.

2. The wind turbine box transformer substation foundation according to claim 1, wherein a fire wall (6) for protecting the wind turbine is arranged on the mounting platform (3), and the fire wall (6) is arranged on one side, close to the wind turbine, of the mounting platform (3).

3. The fan box transformer substation foundation according to claim 2, wherein a preset groove (7) for arranging the fire wall (6) is formed in the mounting platform (3), a steel bar piece is embedded in the preset groove (7), and the fire wall (6) is provided with a sleeve and a grouting hole which are matched with the steel bar piece;

or the top of the mounting platform (3) is provided with a first connecting piece, the bottom of the fire wall (6) is provided with a second connecting piece, and the first connecting piece and the second connecting piece are welded and fixed.

4. The wind turbine box transformer substation foundation according to claim 1, characterized in that a groove (8) for accommodating the upright post (4) is formed in the top of the cup foundation (5), and concrete slurry for stabilizing the upright post (4) can be poured into the groove (8).

5. The wind turbine box transformer substation foundation according to claim 4, characterized in that the cup foundation (5) is connected with the wind turbine foundation (1) through preset steel bars (9) or cutting steel bars.

6. The wind turbine box transformer substation according to any one of claims 1 to 5, characterized in that the mounting platform (3) is provided with an opening (10), and a pre-buried pipe (11) penetrating through the upper part of the wind turbine foundation (1) is connected with the opening (10) so as to allow a cable for connecting the box transformer and the wind turbine generator to pass through.

7. The wind turbine box transformer substation foundation according to any one of claims 1 to 5, wherein the mounting platform (3) comprises a bedplate (31) and a support beam (32) arranged at the bottom of the bedplate (31), and the support beam (32) and the upright post (4) are fixed by welding through a preset steel plate.

8. The wind turbine box transformer substation of claim 7, characterized in that the support beam (32) comprises a plurality of cross beams or the support beam (32) comprises a plurality of cross ring beams.

9. The wind turbine box transformer substation foundation according to any one of claims 1 to 5, wherein a plurality of embedded parts for fixing the box-type transformer are arranged on the mounting platform (3), and a protective railing (12) is arranged on the periphery of the top of the mounting platform (3).

10. The wind box transformer substation foundation according to any one of claims 1 to 5, wherein the mounting platform (3) and the upright (4) are prefabricated steel structural members.

Technical Field

The invention relates to the technical field of wind power generation, in particular to a fan box transformer substation foundation.

Background

In recent years, wind power generation is rapidly developed nationwide, and wind energy is a novel energy source with the most development prospect at present and is a clean, pollution-free and renewable green energy source. However, the wind turbine generator is usually located at a relatively far distance from the load center, and the voltage is required to be boosted by a voltage boosting device to transmit the electric power generated by the wind turbine generator to a relatively far distance.

In the prior art, a fan wiring mode of a wind power plant generally adopts a one-machine-to-one-variable wiring mode, namely each box-type transformer is uniformly arranged at a position about 15m away from a fan, but the box-type transformer occupies partial land acquisition area, and a connecting cable between the box-type transformer and the fan is long, so that the problems of use limitation and high manufacturing cost exist in regions with poor terrain conditions, difficult land acquisition or strict economic index requirements.

In summary, how to improve the layout effect of the box transformer and the fan is a problem to be solved urgently by those skilled in the art.

Disclosure of Invention

In view of this, the present invention provides a wind turbine box transformer foundation, which can effectively improve the layout effect of a box transformer and a wind turbine, and is beneficial to reducing the occupation condition, installation period, manufacturing cost, and the like of a wind turbine system.

In order to achieve the above purpose, the invention provides the following technical scheme:

a wind turbine box becomes basis includes: the box transformer substation is used for setting up aerogenerator's fan basis and locating the box transformer substation basis of fan basis top, the box transformer substation basis is including the mounting platform who is used for setting up box transformer and being used for supporting mounting platform's stand, the lateral part of fan basis is equipped with and is used for fixing the rim of a cup basis of stand, the top and the ground parallel and level of rim of a cup basis, the stand with mounting platform's bottom is connected perpendicularly.

Preferably, the mounting platform is provided with a fire wall for protecting the wind driven generator, and the fire wall is arranged on one side, close to the wind driven generator, of the mounting platform.

Preferably, the installation platform is provided with a preset groove for arranging the fire wall, a steel bar piece is embedded in the preset groove, and the fire wall is provided with a sleeve and a grouting hole which are matched with the steel bar piece;

or the top of the mounting platform is provided with a first connecting piece, the bottom of the fire wall is provided with a second connecting piece, and the first connecting piece and the second connecting piece are welded and fixed.

Preferably, the top of the cup base is provided with a groove for accommodating the upright post, and concrete slurry for stabilizing the upright post can be poured in the groove.

Preferably, the cup mouth foundation is connected with the fan foundation through a preset steel bar or a cutting steel bar.

Preferably, the mounting platform is provided with an opening, and a pre-buried pipe penetrating out of the upper part of the wind turbine foundation is connected with the opening so as to allow a cable for connecting the box-type transformer and the wind turbine generator to pass through.

Preferably, the mounting platform comprises a bedplate and a support beam arranged at the bottom of the bedplate, and the support beam and the upright post are welded and fixed through a preset steel plate.

Preferably, the support beam comprises a plurality of cross beams, or the support beam comprises a plurality of cross ring beams.

Preferably, the mounting platform is provided with a plurality of embedded parts for fixing the box-type transformer, and the periphery of the top of the mounting platform is provided with a protective railing.

Preferably, the mounting platform and the upright are prefabricated steel structural members.

When the fan box transformer substation foundation provided by the invention is used, the cup mouth foundation is arranged on the side part of the fan foundation, and the top of the cup mouth foundation is flush with the ground, so that the cup mouth foundation and the fan foundation can be synchronously constructed, and after the foundation is solidified and backfilled, the wind driven generator and the box transformer substation foundation are installed. The box transformer substation foundation can be installed in a mode of prefabricating in advance in a factory and installing on site, so that the installation period of the box transformer substation foundation is shortened, and finally the installation period, the manufacturing cost and the like of the wind power generation system are favorably reduced.

Moreover, the box-type transformer base is positioned above the fan base, so that the box-type transformer is close to the wind driven generator, the whole occupied area of the wind driven generation system is small, the occupied area of the wind driven generation system is favorably reduced, and the civil dispute caused by land problems is further reduced.

In conclusion, the fan box transformer base provided by the invention can effectively improve the layout effect of the box type transformer and the fan, and is beneficial to reducing the occupation condition, the installation period, the manufacturing cost and the like of a wind power generation system.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a wind turbine box transformer substation foundation provided by the invention;

fig. 2 is a top view of the box transformer base.

In fig. 1 and 2:

the wind power generation system comprises a fan foundation 1, a box transformer foundation 2, a mounting platform 3, a bedplate 31, a supporting beam 32, a stand column 4, a cup foundation 5, a fire wall 6, a preset groove 7, a groove 8, a preset steel bar 9, an opening 10, an embedded pipe 11 and a protective railing 12.

Detailed Description

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 only a part of the embodiments of the present invention, and not all of the embodiments. 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.

The core of the invention is to provide a fan box transformer base, which can effectively improve the layout effect of a box type transformer and a fan and is beneficial to reducing the occupation condition, the installation period, the manufacturing cost and the like of a wind power generation system.

Please refer to fig. 1 and fig. 2, wherein fig. 1 is a schematic structural diagram of a wind turbine box transformer substation foundation provided by the present invention; fig. 2 is a top view of the box transformer base.

This embodiment provides a fan case becomes basis, includes: a case becomes basis 2 for setting up aerogenerator's fan basis 1 and locating fan basis 1 top, case become basis 2 including the mounting platform 3 that is used for setting up box transformer and the stand 4 that is used for supporting mounting platform 3, fan basis 1's lateral part is equipped with the rim of a cup basis 5 that is used for fixed stand 4, the top and the ground parallel and level of rim of a cup basis 5, stand 4 is connected with mounting platform 3's bottom is perpendicular.

It should be noted that, because the box-type substation foundation 2 can be constructed in a prefabricated combination mode, the box-type substation foundation 2 can be used in specific applications, the columns 4 with different heights can be selected according to the flood control requirement standard of each wind driven generator installation position, and differential construction of different wind turbine box-type substation foundations can be realized at low cost.

The shape, structure, size, position and the like of the fan foundation 1, the box transformer substation foundation 2, the mounting platform 3, the upright post 4 and the cup rim foundation 5 can be determined according to actual conditions and actual requirements in the actual application process.

When the fan box transformer substation foundation provided by the invention is used, the cup foundation 5 is arranged on the side part of the fan foundation 1, and the top of the cup foundation 5 is flush with the ground, so that the cup foundation 5 and the fan foundation 1 can be synchronously constructed, and after the foundation is solidified and backfilled, the wind driven generator and the box transformer substation foundation 2 are installed. The box transformer substation foundation 2 can be installed in a mode of prefabricating in advance in a factory and installing on site, so that the installation period of the box transformer substation foundation 2 is shortened, and finally the installation period, the manufacturing cost and the like of the wind power generation system are favorably reduced.

Moreover, the box-type transformer base 2 is positioned above the fan base 1, so that the box-type transformer is close to the wind driven generator, the whole occupied area of the wind driven generation system is small, the occupied area of the wind driven generation system is favorably reduced, and the civil dispute caused by land problems is further reduced.

In conclusion, the fan box transformer base provided by the invention can effectively improve the layout effect of the box type transformer and the fan, and is beneficial to reducing the occupation condition, the installation period, the manufacturing cost and the like of a wind power generation system.

On the basis of the above embodiment, preferably, the installation platform 3 is provided with a fire wall 6 for protecting the wind driven generator, and the fire wall 6 is arranged on one side of the installation platform 3 close to the wind driven generator.

It should be noted that, the fire wall 6 is arranged on the mounting platform 3, so that the distance between the fire wall 6 and the box-type transformer is closer, and the fire wall 6 is arranged on one side close to the wind driven generator, so that the fire wall 6 can effectively shield flame when the box-type transformer is in a fire, and the fire wall 6 can protect the tower of the wind driven generator.

Preferably, the installation platform 3 is provided with a preset groove 7 for arranging the fire wall 6, a steel bar piece is embedded in the preset groove 7, and the fire wall 6 is provided with a sleeve and a grouting hole which are matched with the steel bar piece; or the top of the mounting platform 3 is provided with a first connecting piece, the bottom of the fire wall 6 is provided with a second connecting piece, and the first connecting piece and the second connecting piece are welded and fixed.

It should be noted that, because box transformer sets up in the top of fan foundation 1 for the distance between box transformer and aerogenerator's the tower section of thick bamboo is less, and then leads to making the ground degree of depth of fire-protecting wall 6 less, in order to prevent that fire-protecting wall 6 from falling down and smashing the power equipment in the strong wind, should not be with the higher of the high setting of fire-protecting wall 6, nevertheless can make the fire prevention effect of fire-protecting wall 6 reduce like this. Therefore, the arrangement of the firestop wall 6 directly on the installation platform 3 can effectively solve the above-mentioned problems. The ground clearance of the fire-blocking wall 6 under the technical scheme is the same as that of the stand column 4, so that the absolute height of the body of the fire-blocking wall 6 can be smaller, and the risk that the fire-blocking wall 6 falls down due to strong wind is reduced.

It should be further noted that, because the fire wall 6 in the present technology is not provided with a foundation, but a preset groove 7 for arranging the fire wall 6 is provided on the mounting platform 3, a steel bar member is embedded in the preset groove 7, and the fire wall 6 is provided with a sleeve and a grouting hole which are matched with the steel bar member. Place after presetting groove 7 when fire-protecting wall 6, it can be fixed with the sleeve cooperation of fire-protecting wall 6 to predetermine the reinforcing bar spare that buries underground in groove 7, afterwards, rethread slip casting hole slip casting is fixed to make fire-protecting wall 6 be connected through the telescopic mode of grout with mounting platform 3, with the connection reliability of maximize mounting platform 3 and fire-protecting wall 6.

In addition, it should be noted that the top of the installation platform 3 is provided with a first connecting piece, the bottom of the fire wall 6 is provided with a second connecting piece, and the first connecting piece and the second connecting piece are welded and fixed, so that the connection reliability of the fire wall 6 and the installation platform 3 is ensured by adopting a welding mode. Can be in the in-service use in-process, according to actual conditions and actual demand, confirm the connected mode of fire-protecting wall 6 and mounting platform 3 to ensure that the stable firm setting of fire-protecting wall 6 is on mounting platform 3.

Preferably, the top of the cup foundation 5 is provided with a groove 8 for accommodating the upright post 4, and concrete slurry for stabilizing the upright post 4 can be poured in the groove 8. Therefore, when the installation operation of the box transformer substation foundation 2 is carried out, the upright post 4 can be inserted into the groove 8 of the cup foundation 5, concrete slurry is poured into the groove 8, the upright post 4 can be stably and firmly installed in the groove 8 after the concrete slurry is solidified, and the upright post 4 can be ensured to effectively support components such as the installation platform 3.

It should be further noted that the number of the upright columns 4 can be set to 4, and the number of the cup base 5 can also be set to 4 correspondingly, so as to ensure that the upright columns 4 effectively support the mounting platform 3, and ensure that the mounting platform 3 can stably support components such as the box-type transformer.

Preferably, the cup foundation 5 is connected with the fan foundation 1 through a preset steel bar 9 or a cutting steel bar, so that the connection effect of the cup foundation 5 and the fan foundation 1 is guaranteed.

Preferably, the mounting platform 3 is provided with an opening 10, and a pre-buried pipe 11 penetrating from the upper part of the wind turbine foundation 1 is connected with the opening 10 to pass a cable for connecting the box transformer and the wind turbine.

It should be noted that the embedded pipe 11 in the fan foundation 1 originally penetrates out from the side of the fan foundation 1, and is now adjusted to penetrate out from the upper portion of the fan foundation 1, so as to be connected with the opening 10 of the mounting platform 3 located above the fan foundation 1, and further allow a cable to pass through, and the cable is used for electrically connecting the connection box type transformer with the wind driven generator, the external power grid, the monitoring device and other devices.

On the basis of the above embodiment, preferably, the mounting platform 3 includes a bedplate 31 and a support beam 32 disposed at the bottom of the bedplate 31, and the support beam 32 and the upright column 4 are welded and fixed by a preset steel plate. The support beams 32 are used to support the fixed platen 31 so that the equipment such as a box transformer on the platen 31 can be placed stably. The preset steel plates can be respectively arranged on the support beam 32 and the upright post 4, and then the preset steel plates are welded and fixed at the joint of the support beam 32 and the upright post 4, so that the stable connection of the support beam 32 and the upright post 4 is realized.

Preferably, the support beam 32 includes a plurality of cross beams, or the support beam 32 includes a plurality of cross coils, to ensure the support strength and the support effect of the support beam 32.

Preferably, a plurality of embedded parts used for fixing the box-type transformer are arranged on the mounting platform 3, and a protective railing 12 is arranged on the periphery of the top of the mounting platform 3.

It should be noted that the embedded parts are mainly used for connecting the box transformer, the guard rail 12, the fire wall 6 and other parts arranged on the mounting platform 3. The embedded part can be set as an anchor bolt or an embedded iron plate. The top periphery of the mounting platform 3 is provided with a protective rail 12 for protecting various devices and operators on the mounting platform 3 and preventing the devices or operators from falling off the mounting platform 3.

Preferably, the mounting platform 3 and the upright 4 are prefabricated steel structural members. Because the prefabricated steel structural part is less influenced by uncertain environmental factors such as the climate of a construction site and the like, the construction time is shorter than that of cast-in-place construction, the installation period of the box-type transformer can be controlled within two or three days, the construction quality can be guaranteed, the construction efficiency is effectively improved, and the construction cost is reduced.

It should be further noted that when the fan box transformer substation foundation provided by the invention is used, the cup foundation 5 and the fan foundation 1 can be constructed simultaneously, after the cup foundation 5 and the fan foundation 1 are solidified and backfilled, the wind driven generator is installed, then, the prefabricated upright posts 4, the prefabricated platform 3 and other components are transported to the site for assembly, and finally, the box transformer substation foundation 2 is installed, so that the installation period of the wind driven generation system is greatly reduced, and the investment of auxiliary equipment and personnel cost is effectively reduced.

It should be noted that, in the present application, reference is made to a first connecting element and a second connecting element, where the first and the second are only used for distinguishing the difference of the positions and are not sequentially distinguished.

In addition, it should be noted that the directions or positional relationships indicated by "upper and lower", "top and bottom", and the like in the present application are based on the directions or positional relationships shown in the drawings, and are only for the convenience of simplifying the description and facilitating the understanding, but do not indicate or imply that the device or element referred to must have a specific direction, be configured and operated in a specific direction, and thus, should not be construed as limiting the present invention.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. Any combination of all embodiments provided by the present invention is within the scope of the present invention, and will not be described herein.

The wind turbine box transformer substation foundation provided by the invention is described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.