CN210200505U - Wind power generation tower and prepackage type transformer substation, dry-type transformer thereof - Google Patents
Wind power generation tower and prepackage type transformer substation, dry-type transformer thereof Download PDFInfo
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- CN210200505U CN210200505U CN201921472520.7U CN201921472520U CN210200505U CN 210200505 U CN210200505 U CN 210200505U CN 201921472520 U CN201921472520 U CN 201921472520U CN 210200505 U CN210200505 U CN 210200505U
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Abstract
The utility model relates to a wind power generation tower and prepackage type transformer substation, dry-type transformer thereof. The dry-type transformer for the wind power generation tower comprises an iron core, an upper clamping frame and a lower clamping frame, wherein the upper clamping frame and the lower clamping frame respectively comprise strip-shaped clamping pieces arranged on two opposite sides of the iron core, a clamping frame fixing seat and a transformer base; the clamping frame fixing seat is fixedly connected with the lower clamping frame, is in a strip shape, is vertical to the extending direction of the strip-shaped clamping piece, and is provided with at least two clamping frames at intervals along the extending direction of the strip-shaped clamping piece; the transformer base is bar and perpendicular to bar folder's extending direction, sets up two at least along bar folder extending direction interval, and the transformer base corresponds at least one clamping frame fixing base, and the removable fixing of clamping frame fixing base is on the transformer base that corresponds, and in the extending direction of transformer base, the length dimension of transformer base is greater than the length dimension of clamping frame fixing base. Above-mentioned technical scheme can solve when the maintenance is located the dry-type transformer of a tower section of thick bamboo, is difficult for guaranteeing tower section of thick bamboo structural strength's technical problem.
Description
Technical Field
The utility model relates to a wind power generation tower and prepackage type transformer substation, dry-type transformer thereof.
Background
With the development of the technology and the increasing maturity of the development of wind power generation, the installation of the wind power transformation equipment inside the tower barrel becomes the future development trend. The traditional wind power transformer equipment is installed on the outer side of a tower barrel and has the following defects:
(1) when the wind power transformer equipment is arranged on the outer side of the tower barrel, a corresponding civil foundation needs to be configured, and the occupied area is occupied;
(2) wind power transformer equipment sets up in the tower section of thick bamboo outside, is in open-air state for a long time, therefore wind power transformer equipment needs higher protection level, and this also leads to its manufacturing cost to be in open-air state for a long time, damaged easily, cost of maintenance is higher.
In view of the above situation, chinese utility model patent with the publication number CN208089472U discloses a transformer system and a wind turbine tower built in a wind turbine tower. The transformer system with the built-in tower barrel of the wind driven generator adopts an upper layer and a lower layer arrangement mode, the high-voltage equipment subsystem and the low-voltage equipment subsystem are arranged on the lower layer, the transformer subsystem is arranged on the upper layer, the supporting structure is arranged below the transformer subsystem and supported on the inner wall of the tower barrel, and therefore the transformer subsystem is guaranteed to be firmly supported. The transformer subsystem comprises a box body and a dry-type transformer arranged in the box body, wherein channel steel for fixing the transformer is arranged on the supporting structure and is used as a supporting base, and when the dry-type transformer is damaged, the channel steel and an iron core of the dry-type transformer need to be detached from a tower cylinder together; in addition, in order to ensure the stability of fixing the dry-type transformer, the length dimension of the channel steel must meet the set requirement, so that a large maintenance opening needs to be formed, but the structural strength of the tower barrel is correspondingly reduced when the maintenance opening is larger.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a dry-type transformer for a wind power generation tower, which solves the technical problem that the structural strength of the tower barrel is not easy to ensure when the dry-type transformer in the tower barrel of the wind power generation tower is maintained in the prior art; an object of the utility model is also to provide a wind power generation tower and prepackage type transformer substation thereof.
In order to achieve the above object, the utility model discloses a dry-type transformer for wind power generation tower's technical scheme is:
dry-type transformer for wind power generation tower includes the iron core, goes up clamping frame and lower clamping frame and all includes the bar folder that sets up in the relative both sides of iron core, and dry-type transformer for wind power generation tower still includes:
the clamping frame fixing seats are fixedly connected with the lower clamping frame, are in a strip shape, are perpendicular to the extending direction of the strip-shaped clamping pieces, and are at least two arranged at intervals along the extending direction of the strip-shaped clamping pieces;
the transformer base is in a strip shape and perpendicular to the extending direction of the strip-shaped clamping pieces, at least two clamping piece extending directions are arranged at intervals, the transformer base corresponds to at least one clamping frame fixing seat, the clamping frame fixing seats are detachably fixed on the corresponding transformer base, and in the extending direction of the transformer base, the length dimension of the transformer base is larger than that of the clamping frame fixing seats.
The utility model has the advantages that: the utility model discloses a dry-type transformer for wind power generation tower passes through the fixed lower clamping frame of clamping frame fixing base to support the iron core, guarantee the fixed stability of dry-type transformer for wind power generation tower through setting up the bigger transformer base of size. When the dry-type transformer for the wind power generation tower is damaged and needs to be maintained, the clamping frame fixing seat and the iron core can be integrally taken out from the maintenance opening for maintenance only by removing the connecting structure between the clamping frame fixing seat and the transformer base. Because the extending direction of double-layered frame fixing base and transformer base is the same to transformer base is greater than the length dimension of double-layered frame fixing base at its extending direction's length dimension, so, just can reduce the size of maintenance mouth, compares in prior art, the utility model discloses when actual maintenance, the maintenance mouth enable the double-layered frame fixing base pass through can to the maintenance mouth is when less, and is just less to the structural strength influence of a tower section of thick bamboo.
Further, the clamping frame fixing seat comprises a clamping frame fixing channel steel, the transformer base comprises a base channel steel which is vertically overlapped with the clamping frame fixing channel steel, and notches of the base channel steel and the clamping frame fixing channel steel face towards the horizontal direction.
Has the advantages that: the simple structure of channel-section steel is folded easily when establishing from top to bottom and is fixed, and the notch of two channel-section steels all faces the horizontal direction, the arrangement and the installation of the clamp holder fixing base of being convenient for and transformer base.
Furthermore, the notches of the clamp frame fixing channel steel and the base fixing channel steel which are overlapped are the same in direction, and the clamp frame fixing channel steel and the base channel steel are arranged in a one-to-one correspondence mode.
Has the advantages that: the orientation of both notches is the same, so be difficult to bump with two channel-section steels and interfere when setting up connection structure, the fixed of the clamp holder fixing base of being convenient for and transformer base.
Further, the clamp holder fixed channel-section steel sets up in pairs, and the notch orientation of two clamp holder fixed channel-section steels in pairs is opposite, the base channel-section steel sets up in pairs, and the notch orientation of two base channel-section steels in pairs is opposite, and the clamp holder fixing base is still including setting up the clamp holder fixed channel-section steel connecting block that is connected between two clamp holder fixed channel-section steels in pairs and with two clamp holder fixed channel-section steels, and/or transformer base is still including setting up the base channel-section steel connecting block that is connected between two base channel-section steels in pairs and with two base channel-section steels.
Has the advantages that: the strength of the clamping frame fixing seat and the strength of the transformer base can be enhanced, and the connection strength of the clamping frame fixing seat and the transformer base is ensured in the direction perpendicular to the extending direction of the strip-shaped clamping piece.
Furthermore, the clamping frame fixing channel steel connecting block and/or the base channel steel connecting block are arranged at intervals along the extending direction of the strip-shaped clamping piece.
Has the advantages that: the weight of the whole dry-type transformer can be reduced, and the installation and the disassembly are convenient.
Further, the bar-shaped clamping piece comprises a pipe body and an adapter piece arranged on the lower side of the pipe body, the adapter piece is provided with at least two adapter pieces which are arranged at intervals along the extending direction of the pipe body, and the clamping frame fixing seat is fixed with the bar-shaped clamping piece through the adapter piece.
Has the advantages that: the adapter piece is convenient for the fixed connection of the clamping frame fixing seat and the pipe body, and the operation difficulty of workers is reduced.
Furthermore, the adaptor is U-shaped steel extending along the direction perpendicular to the strip-shaped clamping piece pipe body, and the adaptor and the pipe body are welded and fixed.
Has the advantages that: the adaptor has simple structure and is convenient to process and manufacture.
The utility model discloses a wind power generation tower is with prepackage type transformer substation's technical scheme is:
wind power generation tower is with prepackage type transformer substation, including being used for installing the dry-type transformer who becomes the box and install in the dry-type transformer that becomes the box in a tower section of thick bamboo, dry-type transformer includes the iron core, goes up clamping frame and lower clamping frame, and dry-type transformer still includes:
the clamping frame fixing seats are fixedly connected with the lower clamping frame, are in a strip shape, are perpendicular to the extending direction of the strip-shaped clamping pieces, and are at least two arranged at intervals along the extending direction of the strip-shaped clamping pieces;
the transformer base is in a strip shape and perpendicular to the extending direction of the strip-shaped clamping pieces, at least two clamping piece extending directions are arranged at intervals, the transformer base corresponds to at least one clamping frame fixing seat, the clamping frame fixing seats are detachably fixed on the corresponding transformer base, and in the extending direction of the transformer base, the length dimension of the transformer base is larger than that of the clamping frame fixing seats.
The utility model has the advantages that: the utility model discloses a dry-type transformer of prepackage type transformer substation for wind power generation tower passes through the fixed lower clamping frame of clamping frame fixing base to support the iron core, guarantee the fixed stability of dry-type transformer for wind power generation tower through setting up the bigger transformer base of size. When the dry-type transformer for the wind power generation tower is damaged and needs to be maintained, the clamping frame fixing seat and the iron core can be integrally taken out from the maintenance opening for maintenance only by removing the connecting structure between the clamping frame fixing seat and the transformer base. Because the extending direction of clamp frame fixing base and transformer base is the same to transformer base length dimension in its extending direction is greater than the length dimension of clamp frame fixing base, so, just can reduce the size of maintenance opening, compare in prior art, when actual maintenance, the maintenance opening enable the clamp frame fixing base pass through can, and the maintenance opening is when less, and is just less to the structural strength influence of tower section of thick bamboo.
Further, the clamping frame fixing seat comprises a clamping frame fixing channel steel, the transformer base comprises a base channel steel which is vertically overlapped with the clamping frame fixing channel steel, and notches of the base channel steel and the clamping frame fixing channel steel face towards the horizontal direction.
Has the advantages that: the simple structure of channel-section steel is folded easily when establishing from top to bottom and is fixed, and the notch of two channel-section steels all faces the horizontal direction, the arrangement and the installation of the clamp holder fixing base of being convenient for and transformer base.
Furthermore, the notches of the clamp frame fixing channel steel and the base fixing channel steel which are overlapped are the same in direction, and the clamp frame fixing channel steel and the base channel steel are arranged in a one-to-one correspondence mode.
Has the advantages that: the orientation of both notches is the same, so be difficult to bump with two channel-section steels and interfere when setting up connection structure, the fixed of the clamp holder fixing base of being convenient for and transformer base.
Further, the clamp holder fixed channel-section steel sets up in pairs, and the notch orientation of two clamp holder fixed channel-section steels in pairs is opposite, the base channel-section steel sets up in pairs, and the notch orientation of two base channel-section steels in pairs is opposite, and the clamp holder fixing base is still including setting up the clamp holder fixed channel-section steel connecting block that is connected between two clamp holder fixed channel-section steels in pairs and with two clamp holder fixed channel-section steels, and/or transformer base is still including setting up the base channel-section steel connecting block that is connected between two base channel-section steels in pairs and with two base channel-section steels.
Has the advantages that: the strength of the clamping frame fixing seat and the strength of the transformer base can be enhanced, and the connection strength of the clamping frame fixing seat and the transformer base is ensured in the direction perpendicular to the extending direction of the strip-shaped clamping piece.
Furthermore, the clamping frame fixing channel steel connecting block and/or the base channel steel connecting block are arranged at intervals along the extending direction of the strip-shaped clamping piece.
Has the advantages that: the weight of the whole dry-type transformer can be reduced, and the installation and the disassembly are convenient.
Further, the bar-shaped clamping piece comprises a pipe body and an adapter piece arranged on the lower side of the pipe body, the adapter piece is provided with at least two adapter pieces which are arranged at intervals along the extending direction of the pipe body, and the clamping frame fixing seat is fixed with the bar-shaped clamping piece through the adapter piece.
Has the advantages that: the adapter piece is convenient for the fixed connection of the clamping frame fixing seat and the pipe body, and the operation difficulty of workers is reduced.
Furthermore, the adaptor is U-shaped steel extending along the direction perpendicular to the strip-shaped clamping piece pipe body, and the adaptor and the pipe body are welded and fixed.
Has the advantages that: the adaptor has simple structure and is convenient to process and manufacture.
The utility model discloses a wind power generation tower's technical scheme is:
wind power generation tower includes a tower section of thick bamboo, is equipped with the baffle in the tower section of thick bamboo, is equipped with prepackage type transformer substation on the baffle, offers the maintenance mouth that is used for maintaining prepackage type transformer substation on the baffle, and maintenance mouth department is equipped with the fly leaf, and prepackage type transformer substation changes the box and installs the dry-type transformer in changing the box futilely including installing futilely in a tower section of thick bamboo, and dry-type transformer includes the iron core, goes up the holder and lower holder:
the clamping frame fixing seats are fixedly connected with the lower clamping frame, are in a strip shape, are perpendicular to the extending direction of the strip-shaped clamping pieces, and are at least two arranged at intervals along the extending direction of the strip-shaped clamping pieces;
the transformer base is in a strip shape and perpendicular to the extending direction of the strip-shaped clamping pieces, at least two clamping piece extending directions are arranged at intervals, the transformer base corresponds to at least one clamping frame fixing seat, the clamping frame fixing seats are detachably fixed on the corresponding transformer base, and in the extending direction of the transformer base, the length dimension of the transformer base is larger than that of the clamping frame fixing seats.
The utility model has the advantages that: if the dry-type transformer in the tower cylinder needs to be maintained, the clamping frame fixing seat and the iron core can be integrally taken out from the maintenance opening for maintenance only by detaching the connecting structure between the clamping frame fixing seat and the transformer base. Because the extending direction of clamp frame fixing base and transformer base is the same to transformer base length dimension in its extending direction is greater than the length dimension of clamp frame fixing base, so, just can reduce the size of maintenance opening, compare in prior art, when actual maintenance, the maintenance opening enable the clamp frame fixing base pass through can, and the maintenance opening is when less, and is just less to the structural strength influence of tower section of thick bamboo.
Further, the clamping frame fixing seat comprises a clamping frame fixing channel steel, the transformer base comprises a base channel steel which is vertically overlapped with the clamping frame fixing channel steel, and notches of the base channel steel and the clamping frame fixing channel steel face towards the horizontal direction.
Has the advantages that: the simple structure of channel-section steel is folded easily when establishing from top to bottom and is fixed, and the notch of two channel-section steels all faces the horizontal direction, the arrangement and the installation of the clamp holder fixing base of being convenient for and transformer base.
Furthermore, the notches of the clamp frame fixing channel steel and the base fixing channel steel which are overlapped are the same in direction, and the clamp frame fixing channel steel and the base channel steel are arranged in a one-to-one correspondence mode.
Has the advantages that: the orientation of both notches is the same, so be difficult to bump with two channel-section steels and interfere when setting up connection structure, the fixed of the clamp holder fixing base of being convenient for and transformer base.
Further, the clamp holder fixed channel-section steel sets up in pairs, and the notch orientation of two clamp holder fixed channel-section steels in pairs is opposite, the base channel-section steel sets up in pairs, and the notch orientation of two base channel-section steels in pairs is opposite, and the clamp holder fixing base is still including setting up the clamp holder fixed channel-section steel connecting block that is connected between two clamp holder fixed channel-section steels in pairs and with two clamp holder fixed channel-section steels, and/or transformer base is still including setting up the base channel-section steel connecting block that is connected between two base channel-section steels in pairs and with two base channel-section steels.
Has the advantages that: the strength of the clamping frame fixing seat and the strength of the transformer base can be enhanced, and the connection strength of the clamping frame fixing seat and the transformer base is ensured in the direction perpendicular to the extending direction of the strip-shaped clamping piece.
Furthermore, the clamping frame fixing channel steel connecting block and/or the base channel steel connecting block are arranged at intervals along the extending direction of the strip-shaped clamping piece.
Has the advantages that: the weight of the whole dry-type transformer can be reduced, and the installation and the disassembly are convenient.
Further, the bar-shaped clamping piece comprises a pipe body and an adapter piece arranged on the lower side of the pipe body, the adapter piece is provided with at least two adapter pieces which are arranged at intervals along the extending direction of the pipe body, and the clamping frame fixing seat is fixed with the bar-shaped clamping piece through the adapter piece.
Has the advantages that: the adapter piece is convenient for the fixed connection of the clamping frame fixing seat and the pipe body, and the operation difficulty of workers is reduced.
Furthermore, the adaptor is U-shaped steel extending along the direction perpendicular to the strip-shaped clamping piece pipe body, and the adaptor and the pipe body are welded and fixed.
Has the advantages that: the adaptor has simple structure and is convenient to process and manufacture.
Further, the tower barrel comprises at least two barrel sections, the partition plates are fixed to the tops of the barrel sections below the two adjacent barrel sections, air outlets which are located below the partition plates and used for discharging heat generated by the pre-installed transformer substation out of the tower barrel are formed in the side walls of the tops of the barrel sections of the fixed partition plates, and axial flow fans are arranged at the air outlets.
Has the advantages that: the cylinder section below the partition plate is high in strength, and the air outlet is formed in the cylinder section, so that the influence on the strength of the whole tower cylinder is small; in addition, the axial flow fan can accelerate the flow of air in the tower drum, so that heat is quickly pumped out of the tower drum.
Drawings
Fig. 1 is a schematic layout of a preassembled transformer substation in a wind power tower according to the present invention;
FIG. 2 is a schematic front sectional view of a wind power tower according to the present invention;
FIG. 3 is a schematic side sectional view of a wind power tower according to the present invention;
fig. 4 is a schematic view of the wind power tower of the present invention showing one of the viewing angles of the connection relationship between the holder fixing base and the transformer base;
fig. 5 is a schematic view of another view angle capable of displaying the connection relationship between the clamping frame fixing seat and the transformer base in the wind power generation tower of the present invention.
Description of reference numerals: 1-tower cylinder, 2-dry transformer box, 3-dry transformer, 4-bar clamp, 5-iron core, 6-clamp holder fixing channel steel, 7-base channel steel, 8-high-voltage switch cabinet, 9-centrifugal fan, 10-axial fan, 11-louver, 12-pipe body, 13-adaptor, 14-upper barrel joint, 15-lower barrel joint, 16-partition plate, 17-low-voltage chamber, 18-control transformer, 19-box transformer measuring and control device, 20-air outlet, 21-movable plate, 22-ventilation pipe, 23-bolt, 24-nut, 25-channel steel seal plate, 26-clamp holder fixing connecting block and 27-base channel steel connecting block.
Detailed Description
The following describes embodiments of the present invention with reference to the accompanying drawings.
The utility model discloses a wind power generation tower's concrete embodiment:
as shown in fig. 1, 2 and 3, the wind power generation tower comprises a tower barrel 1, the tower barrel 1 comprises an upper barrel section 14 and a lower barrel section 15 connected with the upper barrel section 14, the lower barrel section 15 is equivalent to a base of the tower barrel 1, a partition plate 16 is fixedly arranged at the top of the lower barrel section 15, and the partition plate 16 is fixedly connected with the inner wall of the lower barrel section 15.
The wind power generation tower further comprises a pre-installed transformer substation installed in the tower barrel 1, wherein the pre-installed transformer substation mainly comprises a high-voltage switch cabinet 8 arranged on the partition plate 16, a dry transformer box body 2 and a dry transformer 3 arranged in the dry transformer box body 2. Specifically, the dry transformer box body 2 is surrounded by plate bodies which can be mutually assembled, the dry transformer 3 comprises an iron core 5, an upper clamping frame and a lower clamping frame, and the upper clamping frame and the lower clamping frame respectively comprise strip-shaped clamping pieces 4 arranged on two opposite sides of the iron core. The strip clamp 4 comprises a pipe body 12 and an adaptor 13 fixed on the lower side of the pipe body 12 by welding, in this embodiment, the adaptor 13 is a U-shaped steel extending in a direction perpendicular to the pipe body 12, and a sealing plate 25 for sealing a U-shaped opening on one side of the U-shaped steel is welded on the U-shaped steel to enhance the connection strength of the adaptor. The dry type transformer 3 comprises three iron cores 5 which are arranged at intervals along the arrangement direction of the upper clamping frame and the lower clamping frame which are perpendicular to each other, a clamping frame fixing seat used for fixing the lower clamping frame is arranged below each iron core 5, and the clamping frame fixing seat extends along the direction perpendicular to the strip-shaped clamping piece 4. The adapters 13 are provided in three and are arranged at intervals in the extending direction of the pipe body. The dry-type transformer 3 further comprises a transformer base which is arranged in one-to-one correspondence with the clamping frame fixing seat and arranged below the clamping frame fixing seat, and the transformer base is perpendicular to the extending direction of the strip-shaped clamping piece 4, is the same as the extending direction of the clamping frame fixing seat and is used for keeping the stability of fixing the whole dry-type transformer.
As shown in fig. 4 and 5, the holder fixing seat includes holder fixing channel steel 6 and holder fixing channel steel connecting blocks 26 welded between the two holder fixing channel steel 6, which are arranged in pairs, and the transformer base includes base channel steel 7 arranged in pairs and base channel steel connecting blocks 27 welded between the two base channel steel 7. Wherein, two clamping frame fixing channel steels 6 arranged in pairs share one adaptor 13. The clamping frame fixing channel steel 6 and the base channel steel 7 extend along the extending direction of the strip-shaped clamping piece and are vertically stacked, and the groove walls of the two channel steels stacked together are fixedly connected together through a threaded fastener. The notch orientation of the clamp frame fixing channel steel 6 and the base channel steel 7 which are overlapped up and down is the same and all faces to the horizontal direction, but the notch orientations of the two clamp frame fixing channel steel 6 which are arranged in pairs are opposite, and the notch orientations of the two base channel steel 7 which are arranged in pairs are also opposite, so that an operation space is reserved for an operator. In the extending direction of the base channel steel 7 and the clamping frame fixing channel steel 6, the length dimension of the base channel steel is larger than that of the clamping frame fixing channel steel.
In this embodiment, the threaded fastener adopts a bolt 23 and a nut 24, that is, the bolt 23 simultaneously penetrates through the groove walls of the clamp frame fixing channel 6 and the base channel 7 which are stacked together, and the bolt 23 and the base channel 7 are fastened through the nut 24. The other side groove wall of the clamping frame fixing channel steel 6 is fixedly connected with the adaptor 13 of the strip-shaped clamping piece 4 through a bolt and a nut; the other side groove wall of the base channel steel 7 is fixedly connected with the bottom plate of the dry transformer box body 2 through bolts and nuts. The clamping frame fixing channel steel connecting block 26 and the base channel steel connecting block 27 can enhance the connection strength between the clamping frame fixing seat and the transformer base, between the clamping frame fixing seat and the adapter piece and between the transformer base and the dry transformer box body in the extending direction perpendicular to the clamping frame fixing channel steel 6. The structure of clamp frame fixed channel steel connecting block 26 is the same with base channel steel connecting block 27, and both stack the setting in the extending direction of perpendicular to bar folder 4 one-to-one to clamp frame fixed channel steel connecting block 26 sets up with base channel steel connecting block 27 along the interval on adapter 13's the extending direction, can reduce whole dry-type transformer's weight like this, easy to assemble and dismantlement. Other structures of the dry-type transformer are the same as those of the dry-type transformer in the prior art, and are not described herein again.
The prefabricated substation further comprises a high-voltage switch cabinet 8 arranged on the partition plate 16 in parallel with the dry-type transformer, a low-voltage chamber 17 is arranged above the high-voltage switch cabinet 8, and low-voltage elements such as a control transformer 18 and a box transformer measurement and control device 19 are arranged in the low-voltage chamber 17.
The top of the dry transformer box body 2 is right opposite to the upper part of the insulating cylinder of the dry transformer 3, three centrifugal fans 9 are arranged, an air outlet 20 is formed in the cylinder wall of the lower cylinder section 15, and the air outlet 20 is located below the partition plate 16, so that the structural strength of the tower cylinder 1 is not affected. A louver 11 is arranged at the air outlet 20, a labyrinth flow channel is arranged on the louver 11, three axial flow fans 10 are correspondingly arranged on the louver 11, a ventilation pipeline 22 is connected between the centrifugal fan 9 and the axial flow fans 10, the centrifugal fan 9 blows heat generated by the prefabricated substation into the ventilation pipeline 22, and the heat in the ventilation pipeline 22 is pumped out of the tower barrel through the axial flow fans 10 and is discharged into the atmosphere, so that the prefabricated substation is cooled.
Be equipped with the maintenance mouth on the baffle 16, maintenance mouth department is equipped with the fly leaf 21 the same with its size, and the size of maintenance mouth satisfies can be through above-mentioned high tension switchgear 8, dry-type transformer 3 and change box 2 futilely, when dry-type transformer took place to damage at the operation process and need change, only need demolish the bolt 23 of being connected between clamp holder fixed channel-section steel 6 and the base channel-section steel 7, can take out iron core 5 and clamp holder fixed channel-section steel 6 are whole from maintenance mouth department, need not to take out base channel-section steel 7 again. Because the length dimension of the clamping frame fixing channel steel 6 is smaller than that of the base channel steel 7, the size of the maintenance opening can be correspondingly smaller, the clamping frame fixing channel steel 6 can pass through, the cost is saved, and the structural strength of the tower barrel can be guaranteed.
In the above-mentioned embodiment, the clamping frame fixing base includes the clamping frame fixing channel steel, and the transformer base includes the base channel steel, and in other embodiments, the clamping frame fixing channel steel and the base channel steel also can adopt the rectangular pipe to replace. Or in other embodiments, the orientations of the notches of the clamp frame fixing channel steel and the base channel steel can be opposite, and the clamp frame fixing channel steel and the base channel steel are still stacked together and fixed through bolts and nuts. Or in other embodiments, the notches of the two may face the vertical direction, and at this time, the two may be arranged oppositely or arranged oppositely from each other; when carrying on the back the body and setting up, wear to establish the bolt simultaneously through the tank bottom at the fixed channel-section steel of holder and base channel-section steel to with both fixed connection of nut, when setting up relatively, can process the turn-ups on the cell wall of the fixed channel-section steel of holder and base channel-section steel respectively, both connect through the turn-ups.
In the above-mentioned embodiment, the fixed channel-section steel of clamp frame sets up in pairs, and in other embodiments, the fixed channel-section steel of clamp frame also can set up alone, and is corresponding, and the base channel-section steel also can set up alone.
In the above-mentioned embodiment, the adaptor is equipped with three and arranges along body extending direction interval, and in other embodiments, the adaptor also can only set up one, and at this moment, all clamping frame fixing bases share same adaptor.
In the above embodiments, the strip-shaped clamping member includes a pipe body and an adaptor welded to the lower side of the pipe body, and in other embodiments, the strip-shaped clamping member may also include only the pipe body without the adaptor, and at this time, the holder fixing seat may be welded directly to the pipe body.
In the above embodiments, the transformer bases and the holder fixing seats are arranged in a one-to-one correspondence, and in other embodiments, one transformer base may correspond to two or three holder fixing seats.
In the above embodiments, the adapter is made of U-shaped steel, and in other embodiments, the adapter may also be made of channel steel.
In the above embodiment, the clamping frame fixing seat includes clamping frame fixing channel steel and clamping frame fixing channel steel connecting blocks that interconnect together to the transformer base includes base channel steel and base channel steel connecting blocks that interconnect together. In other embodiments, the fixture fixing base and the transformer base may not be provided with the fixture fixing channel steel connecting block and/or the base channel steel connecting block, that is, at this time, both the fixture fixing base and the transformer base are channel steels, or one of the fixture fixing base and the transformer base is formed by channel steels and corresponding connecting blocks, and the other is formed by channel steels only.
In the above-mentioned embodiment, the extension direction interval arrangement of strip folder is followed to clamp frame fixed channel-section steel connecting block and base channel-section steel connecting block, and in other embodiments, a clamp frame fixed channel-section steel connecting block is shared to all clamp frame fixed channel-sections, perhaps a base channel-section steel connecting block is shared to all base channel-sections, and at this moment, the extension direction of strip folder is followed to clamp frame fixed channel-section steel connecting block and is extended, and the extension direction of strip folder is followed to base channel-section steel connecting block, but can correspondingly increase whole dry-type transformer.
The utility model discloses a wind power generation tower is with concrete embodiment of prepackage type transformer substation:
the structure of the prefabricated substation for the wind power generation tower is the same as that of the prefabricated substation in the embodiment of the wind power generation tower, and details are not described herein.
The utility model discloses a concrete embodiment of dry-type transformer for wind power generation tower:
the structure of the dry-type transformer for the wind power generation tower is the same as that of the dry-type transformer in the wind power generation tower, and the details are not repeated herein.
Claims (10)
1. Dry-type transformer for wind power generation tower, including the iron core, go up double-layered frame and lower double-layered frame, go up the double-layered frame and all including the bar folder that sets up in the relative both sides of iron core with lower double-layered frame, its characterized in that, dry-type transformer for wind power generation tower still includes:
the clamping frame fixing seats are fixedly connected with the lower clamping frame, are in a strip shape, are perpendicular to the extending direction of the strip-shaped clamping pieces, and are at least two arranged at intervals along the extending direction of the strip-shaped clamping pieces;
the transformer base is in a strip shape and perpendicular to the extending direction of the strip-shaped clamping pieces, at least two clamping piece extending directions are arranged at intervals, the transformer base corresponds to at least one clamping frame fixing seat, the clamping frame fixing seats are detachably fixed on the corresponding transformer base, and in the extending direction of the transformer base, the length dimension of the transformer base is larger than that of the clamping frame fixing seats.
2. The dry-type transformer for the wind power generation tower according to claim 1, wherein the clip fixing seat comprises a clip fixing channel, the transformer base comprises a base channel vertically stacked with the clip fixing channel, and notches of the base channel and the clip fixing channel are both oriented in a horizontal direction.
3. The dry-type transformer for a wind power generation tower according to claim 2, wherein the notches of the clip fixing channel steel and the base fixing channel steel which are stacked are oriented in the same direction, and the clip fixing channel steel and the base channel steel are arranged in one-to-one correspondence.
4. A dry-type transformer for a wind power generation tower according to claim 3, wherein the clip fixing channel steels are arranged in pairs, the notches of the two clip fixing channel steels in the pair are oppositely oriented, the base channel steels are arranged in pairs, the notches of the two base channel steels in the pair are oppositely oriented, the clip fixing base further comprises a clip fixing channel steel connecting block arranged between the two clip fixing channel steels in the pair and connected with the two clip fixing channel steels, and/or the transformer base further comprises a base channel steel connecting block arranged between the two base channel steels in the pair and connected with the two base channel steels.
5. A dry-type transformer for a wind power generation tower according to claim 4, wherein the clip fixing channel connection blocks and/or the base channel connection blocks are provided at intervals along the extending direction of the bar-shaped clip.
6. A dry-type transformer for wind power generation tower according to any one of claims 1 to 5, wherein the bar-shaped clamping member comprises a tube body and at least two adapter members disposed on the lower side of the tube body, the adapter members are disposed at intervals along the extending direction of the tube body, and the holder fixing seat is fixed with the bar-shaped clamping member through the adapter members.
7. A dry-type transformer for a wind power tower according to claim 6, wherein said adaptor is a U-shaped steel extending in a direction perpendicular to the tube of the bar-shaped clamp, and the adaptor is welded and fixed to the tube.
8. The preassembled transformer substation for the wind power generation tower comprises a dry transformer box body installed in a tower barrel and a dry transformer installed in the dry transformer box body, and is characterized in that the dry transformer is the dry transformer for the wind power generation tower as claimed in any one of claims 1 to 7.
9. The wind power generation tower comprises a tower cylinder, a partition board is arranged in the tower cylinder, a preassembled transformer substation is arranged on the partition board, a maintenance opening for maintaining the preassembled transformer substation is formed in the partition board, a movable board is arranged at the maintenance opening, the preassembled transformer substation comprises a dry transformer box body installed in the tower cylinder and a dry transformer installed in the dry transformer box body, and the dry transformer is the dry transformer for the wind power generation tower, and is characterized in that the dry transformer is the dry transformer for the wind power generation tower as claimed in any one of claims 1 to 7.
10. The wind power generation tower of claim 9, wherein the tower comprises at least two shell sections, the partition plate is fixed on the top of the lower shell section in the two adjacent shell sections, an air outlet for discharging heat generated by the preassembled transformer substation out of the tower is formed in the side wall of the top of the shell section of the fixed partition plate, and an axial flow fan is arranged at the air outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921472520.7U CN210200505U (en) | 2019-09-05 | 2019-09-05 | Wind power generation tower and prepackage type transformer substation, dry-type transformer thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921472520.7U CN210200505U (en) | 2019-09-05 | 2019-09-05 | Wind power generation tower and prepackage type transformer substation, dry-type transformer thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210200505U true CN210200505U (en) | 2020-03-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921472520.7U Active CN210200505U (en) | 2019-09-05 | 2019-09-05 | Wind power generation tower and prepackage type transformer substation, dry-type transformer thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210200505U (en) |
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