CN203939634U - A kind of flanged connecting structure and the sectionally assembled pylon of the lightning protection that contains it - Google Patents
A kind of flanged connecting structure and the sectionally assembled pylon of the lightning protection that contains it Download PDFInfo
- Publication number
- CN203939634U CN203939634U CN201420293257.6U CN201420293257U CN203939634U CN 203939634 U CN203939634 U CN 203939634U CN 201420293257 U CN201420293257 U CN 201420293257U CN 203939634 U CN203939634 U CN 203939634U
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- China
- Prior art keywords
- wedge shape
- rectangle groove
- connecting structure
- inner flange
- flanged connecting
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The utility model discloses a kind of flanged connecting structure, comprise inside and outside flange plate, the horizontal circle card of inside and outside flange plate is respectively used to be connected with a cylindrical shell.Inside and outside flange plate plugs together, inner flange outer side wall and the outward flange dish madial wall that the plugs together part rectangle groove of formation that crosses; Rectangle groove is divided into multistage, and segmentation place of the inner flange between adjacent segment is wedge shape band insert port; This flanged connecting structure also comprises the many groups wedge shape band equating with the hop count of rectangle groove; Every group is comprised of upper and lower two wedge shape bands, and two wedge shape bands in every group insert in rectangle groove from same section of rectangle groove two ends respectively, forms interference fit; In rectangle groove segmentation place, be also fixed with location plug; Above-mentioned linkage structure is simple, manufacturing efficiency is high, maintenance work is little and expense is low.The invention also discloses the sectionally assembled pylon of a kind of lightning protection that contains above-mentioned flanged connecting structure, not only improved the reliability that pylon connects, also improved the lightning current conductive performance of pylon.
Description
Technical field
The utility model relates to flange connection area, and particularly, the sectionally assembled pylon of lightning protection that relates to a kind of flanged connecting structure and contain it, is particularly useful for the connection of wind-power generating unit tower.
Background technique
Wind-power electricity generation is a kind of renewable green energy resource of cleaning, and it develops and to have become 21st century countries in the world and fall over each other a kind of new energy form adopting.
The increase of pylon height is the important technical that improves wind-power electricity generation power.Therefore, the tower design of Large-scale Wind Turbines and manufacture just become an important step in wind power technology.Pylon height has reached more than 100 meter from more than 40 meters at present.Pylon is generally divided into three sections or four sections now, and every segment length is generally in 20m～30m left and right, and compound mode is all with bolts at present.At the bottom of general tower, use the bolt of M56～M42 with foundation ring, above each layer used the bolt of M42～M27, and the diameter of bolt, quantity and performance rate are according to the classification of pylon height and unit.The bolt quantity that each combination section is used is generally at 90 to more than 130, and concrete quantity is determined according to tower diameter.
Bolt connects the problem existing to be had: the installation that, is spirally connected (containing check) complex procedures; Two, during running of wind generating set, maintenance workload is large, needs regular maintenance, half a year and safeguards and the annual reliable connection of safeguarding with assurance pylon; Three, during running of wind generating set, need a large amount of bolt connection pair spare parts.Following patent is bolt connecting mode: 1) the anti-cracking structure of CN201320209770.8-model utility-a kind of wind power tower inner flange junction plane; 2), also all there are the problems referred to above in CN201120566761.5-model utility-lightning protection wind-power tower.
In addition, the increase of pylon height has also improved wind-powered electricity generation unit thunder and lightning and has attacked probability, in pylon in the past, for improving the conductive performance of lightning current, need to install water conservancy diversion cable additional at each combination part of pylon, causes line more, Operation and Maintenance in inconvenient tower cylinder.
As can be seen here, the sectionally assembled pylon of above-mentioned existing wind power generating set, in linkage structure, obviously still has inconvenience and defect, and is urgently further improved.How to found a kind of simple, manufacturing efficiency is high, maintenance work is little, maintenance cost is low linkage structure, becoming the current industry utmost point needs improved target.
Model utility content
The purpose of this utility model is to provide a kind of simple, manufacturing efficiency is high, maintenance work is little, maintenance cost is low flanged connecting structure.
Another object of model utility is to provide a kind of lightning protection sectionally assembled pylon, makes the reliable conduction that its connection is simple and reliable, manufacturing efficiency is high, maintenance work is little, maintenance cost is low and can realize lightning current.
For achieving the above object, the utility model adopts following technological scheme:
A flanged connecting structure, for connecting two cylindrical shells, comprises inner flange and outward flange dish, and the horizontal circle card of described inner flange and outward flange dish is respectively used to be connected with a cylindrical shell; Described inner flange and outward flange dish plug together, and the inner flange outer side wall and the outward flange dish madial wall that plug together part cross, on described inner flange outer side wall and on outward flange dish madial wall, be respectively arranged with along the sidewall groove of a week, described two grooves are involutory, form a rectangle groove that cross section is rectangle; Described rectangle groove is divided into multistage, and segmentation place of the inner flange between adjacent segment is provided with opening, and described opening is the insert port of wedge shape band, and described flanged connecting structure also comprises many group wedge shape bands, and the group number of described wedge shape band equates with the hop count of rectangle groove; Every group of wedge shape band is comprised of upper and lower two wedge shape bands, and two the wedge shape bands up and down in every group of wedge shape band are respectively oppositely in the two ends insertion rectangle groove of same section of rectangle groove, with rectangle groove formation interference fit; Open part in adjacent segment is also fixed with location plug.
Further, described rectangle groove is even number section, and each section is uniformly distributed.
Further, described rectangle groove is four sections of above even number sections.
Further, the opening that described location plug is fixedly mounted on described segmentation by hex head bolt is connected with outward flange dish.
Further, described wedge shape band is metal material.
The sectionally assembled pylon of lightning protection, comprises multistage tower cylinder, between described adjacent towers cylinder, by above-mentioned flanged connecting structure, connects.
Further, described inner flange is connected to the lower end of the preceding paragraph tower cylinder, and described outward flange dish is connected to the upper end of next section of tower cylinder.
Further, also comprise foundation ring, described foundation ring is outward flange dish, and the lower end of section tower cylinder, the described end connects inner flange, and the inner flange at this place and outward flange dish adopt above-mentioned flanged connecting structure.
Further, described flange plate adopts molten weldering mode to be connected with tower cylinder.
Compared with prior art, the utlity model has following beneficial effect:
1, flanged connecting structure of the present utility model adopts wedge shape band to connect, its tension force can meet with intensity the demand that two combination section are reliably connected, there is compact structure, connect reliable, easily manufactured feature, owing to connecting without a plurality of bolts of employing, overcome the bolt efficiency that is linked and packed low, the fracture of bolt fatiguability, the large deficiency that waits of operation maintenance amount, for sectionally assembled pylon, simple and fast is installed, greatly improve tower hoisting efficiency, reduced unit operation maintenance workload, reduced operation maintenance spare part; And because the contact form of inside and outside flange plate is that face connects type, greatly reduce the contact resistance of each section of pylon, improved the lightning current conductive performance of pylon self, make pylon there is lightning protection function.
2, for the larger cylindrical shell of diameter, adopt domain segmented rectangle groove flange plate (being that rectangle groove is multistage), improved the tension force that wedge shape band produces in installation, make it reliably to connect and make installment work easier.
3, by the opening in segmentation, location plug is installed, is made segmented rectangle groove form the structure sealing, greatly improved the rigidity of flange plate, prevented scurrying out of wedge shape band, also carried the running torque that pylon is in operation and produces.
4, segmentation place is arranged on inner flange, is for the ease of installing, also can avoiding being arranged on the difficulty on the impact of overall construction intensity and assembling on outward flange dish.
5, by inner flange upper and outward flange dish under cooperation plug together setting, be more suitable for the connection of tower cylinder, make more reasonable stress.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is the structure principle chart (partial section) of flanged connecting structure;
Fig. 2 is inner flange structural representation;
Fig. 3 is outward flange dish structural representation;
Fig. 4 is the structural representation of wedge shape slice-group;
Fig. 5 is location plug side-looking structural representation;
Fig. 6 is the main TV structure schematic diagram of location plug;
Fig. 7 is 3 stops lightning protection combined tower structural representation.
Embodiment
For the purpose of this utility model, technological scheme and advantage are better set forth, in conjunction with instantiation and accompanying drawing, the utility model is elaborated.
The problem existing in order to overcome existing bolt connecting type flange, the utility model provides a kind of new flanged connecting structure, can be used for connecting any two tube structures, only with the example that is connected to of the sectionally assembled pylon of wind power generating set, describes below.
The sectionally assembled pylon of wind power generating set, comprises multistage tower cylinder, as shown in Figure 7, for containing the pylon of 3 stops tower cylinder, adopts the flanged connecting structure a of wedge shape band jointing type between adjacent towers cylinder.
This flanged connecting structure specifically as Figure 1-3, comprise inner flange 1 and outward flange dish 2, the horizontal circle card 11,21 of inner flange 1 and outward flange dish 2 is respectively used to be connected with a cylindrical shell (tower cylinder), while being connected with tower cylinder, best Placement is connected for carrying out melting welding with the end face of tower cylinder.
Wherein, inner flange 1 coordinates by plugging together with outward flange dish 2, and the inner flange outer side wall 12 that plugs together part crosses with outward flange dish madial wall 22, on inner flange outer side wall 12 and on outward flange dish madial wall 22, be respectively arranged with along the sidewall groove of a week 13,23, article two, groove 13,23 is involutory, forms a rectangle groove that cross section is rectangle.
For large diameter tower cylinder, rectangle groove is divided into multistage, and the inner flange between adjacent segment 1 is provided with the opening 3 of certain width, and above-mentioned flanged connecting structure also comprises many group wedge shape bands 4, and the group number of described wedge shape band equates with the hop count of rectangle groove; Every group of wedge shape band 4 forms (coordinating shown in Fig. 4) by upper and lower two wedge metal bands 41,42, and two the wedge metal bands 41,42 up and down in every group of wedge shape band 4 oppositely insert in same section of rectangle groove from opening 3 respectively, form interference fit with rectangle groove; At opening, be also fixed with location plug 5 (coordinating shown in Fig. 5,6).
Above-mentioned wedge shape band catenation principle is that the huge tension force that relies on every group of wedge shape band 4 to produce in packing same rectangle groove section into couples together two combination section tower cylinders, simple in structure, the easy feature of going of simple installation that this Placement has.The maximum advantage of wedge shape band jointing type flange plate is that the force way of flange plate is face contact type, makes the stressed reliability that has evenly improved pylon connection of junction surface of flange plate.Meanwhile, face contact type can reduce the contact resistance of two tower cylinder interfaces greatly, improves the lightning current conductive performance of pylon self.
Above-mentioned rectangle groove is even number section, and the subsection setup of rectangle groove can conveniently connect and be conducive to improve the tension force of every group of wedge shape band 4.The present embodiment be take 4 sections as example, and this hop count is 4 sections of above even number sections preferably.
Above-mentioned location plug 5 is fixed on opening 3 places by hex head bolt and is connected with outward flange dish 2, by location plug 5 being installed at opening 3 places, make segmented inner flange form the structure of sealing, can greatly improve the rigidity of flange plate, prevent scurrying out of wedge shape band, also carried the running torque that pylon is in operation and produces.
For the sectionally assembled pylon of the wind power generating set in the present embodiment, wherein inner flange 1 is connected to the lower end of the preceding paragraph tower cylinder, and outward flange dish 2 is connected to the upper end of next section of tower cylinder.For hypomere tower cylinder, its lower end connects an inner flange, coordinates with the foundation ring of pylon, and foundation ring adopts above-mentioned outward flange dish structure, and for tower cylinder topmost, its upper end is installed a bolt connection type flange plate and is connected with the bearing of going off course.
Coordinate shown in Fig. 7, the number of assembling steps of the sectionally assembled pylon of wind-powered electricity generation unit lightning protection of the present embodiment is as follows:
1) the lower end surface inner flange of the first combination section 100 (or claim tower at the bottom of section) is inserted in the outward flange dish of foundation ring;
2) by a wedge shape band, from tip, the first quartile from flange plate inserts to the direction of the second quadrant;
3) by another wedge shape band, from tip, the second quadrant from flange plate inserts (utilizing pressure unit) completely to the direction of first quartile;
4) by a wedge shape band, from tip, the third quadrant from flange plate inserts to the direction of fourth quadrant;
5) by another wedge shape band from tip the fourth quadrant from flange plate to the direction of third quadrant, insert (utilizing pressure unit) completely;
6) by a wedge shape band, from tip, the first quartile from flange plate inserts to the direction of fourth quadrant;
7) by another wedge shape band from tip the fourth quadrant from flange plate to the direction of first quartile, insert (utilizing pressure unit) completely;
8) by a wedge shape band, from tip, the second quadrant from flange plate inserts to the direction of third quadrant;
9) by another wedge shape band, from tip, the third quadrant from flange plate inserts (utilizing pressure unit) completely to the direction of the second quadrant;
10) the location plug of four foundation rings is fixed on to four segmentations place of inner flange with hex head bolt;
11) the lower end surface inner flange of the second combination section 200 (or claiming pylon stage casing) is inserted in the outward flange dish of the first combination section 100 upper-end surfaces;
12) by work step 2) to work step 9) mode complete the installation of four groups of wedge shape bands;
13) four location plugs are fixed on to four segmentations place of flange plate with hex head bolt;
14) the lower end surface inner flange of the 3rd combination section 300 (or claiming pylon epimere) is inserted in the outward flange dish of the second combination section 200 upper-end surfaces;
15) by work step 2) to work step 9) mode complete the installation of four groups of wedge shape bands;
16) four location plugs are fixed on to four segmentations place of flange plate with hex head bolt.
Finally it should be noted that: the foregoing is only an example of the present utility model, be not limited to the utility model, although the utility model is had been described in detail with reference to above-mentioned example, for a person skilled in the art, still can modify to the given technological scheme of above-mentioned example, or part technical characteristics is wherein equal to replacement.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (9)
1. a flanged connecting structure, for connecting two cylindrical shells, is characterized in that, comprises inner flange and outward flange dish, and the horizontal circle card of described inner flange and outward flange dish is respectively used to be connected with a cylindrical shell;
Described inner flange and outward flange dish plug together, and the inner flange outer side wall and the outward flange dish madial wall that plug together part cross, on described inner flange outer side wall and on outward flange dish madial wall, be respectively arranged with along the sidewall groove of a week, described two grooves are involutory, form a rectangle groove that cross section is rectangle;
Described rectangle groove is divided into multistage, and segmentation place of the inner flange between adjacent segment is provided with opening, and described opening is wedge shape band insert port, and described flanged connecting structure also comprises many group wedge shape bands, and the group number of described wedge shape band equates with the hop count of rectangle groove; Every group of wedge shape band is comprised of upper and lower two wedge shape bands, and two the wedge shape bands up and down in every group of wedge shape band are respectively oppositely in same section of rectangle groove two ends insertion rectangle groove, with rectangle groove formation interference fit; In rectangle groove segmentation place, be also fixed with location plug.
2. flanged connecting structure according to claim 1, is characterized in that, described rectangle groove is even number section, and each section is uniformly distributed.
3. flanged connecting structure according to claim 2, is characterized in that, described rectangle groove is four sections of above even number sections.
4. flanged connecting structure according to claim 1, is characterized in that, described location plug is fixedly mounted on described segmentation opening by hex head bolt is connected with outward flange dish.
5. according to the flanged connecting structure described in claim 1～4 any one, it is characterized in that, described wedge shape band is metal material.
6. the sectionally assembled pylon of lightning protection, comprises multistage tower cylinder, it is characterized in that, between described adjacent towers cylinder, by the flanged connecting structure described in claim 1～5 any one, connects.
7. the sectionally assembled pylon of lightning protection according to claim 6, is characterized in that, described inner flange is connected to the lower end of the preceding paragraph tower cylinder, and described outward flange dish is connected to the upper end of next section of tower cylinder.
8. the sectionally assembled pylon of lightning protection according to claim 7, also comprise foundation ring, it is characterized in that, described foundation ring is outward flange dish, the lower end of section tower cylinder, the described end connects inner flange, the inner flange at this place and flanged connecting structure described in outward flange dish employing claim 1～5 any one.
9. the sectionally assembled pylon of lightning protection according to claim 7, is characterized in that, described flange plate adopts molten weldering mode to be connected with tower cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420293257.6U CN203939634U (en) | 2014-06-04 | 2014-06-04 | A kind of flanged connecting structure and the sectionally assembled pylon of the lightning protection that contains it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420293257.6U CN203939634U (en) | 2014-06-04 | 2014-06-04 | A kind of flanged connecting structure and the sectionally assembled pylon of the lightning protection that contains it |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203939634U true CN203939634U (en) | 2014-11-12 |
Family
ID=51858950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420293257.6U Withdrawn - After Issue CN203939634U (en) | 2014-06-04 | 2014-06-04 | A kind of flanged connecting structure and the sectionally assembled pylon of the lightning protection that contains it |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203939634U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104019003A (en) * | 2014-06-04 | 2014-09-03 | 国电联合动力技术有限公司 | Flanged connection structure and anti-thunder segmented combined tower comprising same |
-
2014
- 2014-06-04 CN CN201420293257.6U patent/CN203939634U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104019003A (en) * | 2014-06-04 | 2014-09-03 | 国电联合动力技术有限公司 | Flanged connection structure and anti-thunder segmented combined tower comprising same |
| CN104019003B (en) * | 2014-06-04 | 2016-09-14 | 国电联合动力技术有限公司 | A kind of flange connection and containing its sectionally assembled pylon of lightning protection |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141112 Effective date of abandoning: 20160914 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |