CN113279925A - Truss supporting structure in wind power tower cylinder - Google Patents
Truss supporting structure in wind power tower cylinder Download PDFInfo
- Publication number
- CN113279925A CN113279925A CN202110702076.9A CN202110702076A CN113279925A CN 113279925 A CN113279925 A CN 113279925A CN 202110702076 A CN202110702076 A CN 202110702076A CN 113279925 A CN113279925 A CN 113279925A
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- Prior art keywords
- tower
- frame
- truss
- standard
- support
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- 238000003466 welding Methods 0.000 abstract description 14
- 238000009434 installation Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 9
- 235000017491 Bambusa tulda Nutrition 0.000 description 9
- 241001330002 Bambuseae Species 0.000 description 9
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 9
- 239000011425 bamboo Substances 0.000 description 9
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 230000009193 crawling Effects 0.000 description 2
- 239000003721 gunpowder Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
- F03D80/80—Arrangement of components within nacelles or towers
- F03D80/88—Arrangement of components within nacelles or towers of mechanical components
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C1/00—Ladders in general
- E06C1/02—Ladders in general with rigid longitudinal member or members
- E06C1/34—Ladders attached to structures, such as windows, cornices, poles, or the like
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
- F03D13/20—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
- F03D80/80—Arrangement of components within nacelles or towers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/728—Onshore wind turbines
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Wind Motors (AREA)
Abstract
The invention provides a truss supporting structure in a wind power tower, belonging to the technical field of wind power equipment installation and manufacturing; the invention comprises the following steps: a bottom mounting assembly, a top mounting assembly, and at least one standard assembly; the two ends of the standard component are respectively provided with a flange interface, and the standard component is connected with the bottom mounting component, the top mounting component or other standard components through the flange interfaces; the bottom mounting assembly is connected with the bottom of the tower barrel, and the top mounting assembly is connected with the top of the tower barrel. The truss structure is connected with other internal accessories or platforms through the truss structure, so that the internal accessories are not connected with the tower cylinder wall any more, all the internal accessories are connected on the truss, and welding on the tower cylinder wall is avoided.
Description
Technical Field
The invention relates to an internal installation technology of a wind power tower, in particular to an internal truss supporting structure of a wind power tower, and belongs to the technical field of production and installation of wind power equipment.
Background
At present, the inside platform of wind generating set tower section of thick bamboo mostly is welded to a tower section of thick bamboo wall through anchor or steel sheet on, such welding mode leads to the section of thick bamboo wall of welding position stress concentration to appear, and welded structure also takes place fatigue failure easily, brings the hidden danger in cost increase and the safety.
Generally, welding lugs are welded in a tower, and an internal supporting structure is connected with the welding lugs; or adopting a non-welding gunpowder nail for connection; the welding lug or the gunpowder nail can reduce the fatigue strength of the tower barrel, and the local stress concentration in the tower barrel is caused.
Therefore, it is a technical problem to be solved by those skilled in the art to develop a construction method capable of installing other structures without welding in a tower.
Disclosure of Invention
The invention provides a novel truss supporting structure in a wind power tower, which is characterized in that the whole truss structure is fixed at two ends of a tower, so that the welding in the tower is avoided, and the technical problem that the welding process is required to be carried out in the tower in the prior art is solved.
The invention provides a truss support structure in a wind power tower cylinder, which is used for being installed in the tower cylinder, and comprises: a bottom mounting assembly, a top mounting assembly, and at least one standard assembly;
the two ends of the standard component are respectively provided with a flange interface, and the standard component is connected with the bottom mounting component, the top mounting component or other standard components through the flange interfaces;
the bottom mounting assembly is connected with the bottom of the tower barrel, and the top mounting assembly is connected with the top of the tower barrel.
The wind tower inner truss support structure as described above, wherein the standard component includes: the main body supporting frame and the plurality of inclined struts; the main body support frame is of a frame structure and comprises a plurality of columns which are arranged in parallel; and adjacent columns are connected through the inclined strut.
The inner truss supporting structure of the wind power tower barrel is characterized in that the outer side of the standard component is also connected with an auxiliary supporting frame; one end of the auxiliary support frame is connected to the standard component, and the other end of the auxiliary support frame is provided with a buffer piece; the auxiliary supporting frame is abutted against the inner wall of the tower barrel through the buffer piece.
The wind tower inner truss support structure as described above, wherein the bottom mounting assembly comprises: a bottom frame and a plurality of support legs; one end of each of the supporting legs is fixed on the bottom frame, and the other end of each of the supporting legs is connected with a flange at the bottom of the tower barrel.
The wind tower inner truss support structure as described above, wherein the top mounting assembly comprises: a top frame and a platform; the center of the platform is provided with a sleeve hole, and the platform is sleeved outside the top frame through the sleeve hole and is fixedly connected with the top frame.
The inner truss supporting structure of the wind power tower barrel is characterized in that the top frame is also provided with an auxiliary hoisting support; the auxiliary hoisting support is fixed at the top of the tower barrel, and the bottom of the auxiliary hoisting support is connected with the top frame.
The wind power tower cylinder inner truss supporting structure is characterized in that the horizontal cross section of the main body supporting frame is triangular, rectangular or cylindrical.
According to the truss supporting structure in the wind power tower cylinder, the standard component is further provided with the crawling ladder, and the crawling ladder is connected with the standard component through the bolts.
The truss structure is connected with other internal accessories or platforms through the truss structure, so that the internal accessories are not connected with the tower cylinder wall any more, all the internal accessories are connected on the truss, and welding on the tower cylinder wall is avoided.
Drawings
FIG. 1 is an overall schematic view of a truss support structure in a wind tower according to an embodiment of the invention;
FIG. 2 is a side schematic view of a standard component of a truss support structure in a wind tower according to an embodiment of the invention;
FIG. 3 is a schematic horizontal cross-sectional view of the standard assembly of FIG. 2;
FIG. 4 is a schematic horizontal cross-sectional view of the auxiliary support frame of FIG. 2;
FIG. 5 is a schematic side view of a bottom mounting assembly of a truss support structure within a wind tower according to an embodiment of the invention;
FIG. 6 is a schematic horizontal cross-sectional view of the bottom mount assembly of FIG. 5;
FIG. 7 is an enlarged view of the platform of FIG. 1;
fig. 8 is a schematic horizontal cross-sectional view of the platform of fig. 7.
Detailed Description
FIG. 1 is an overall schematic view of a truss support structure in a wind tower according to an embodiment of the invention; FIG. 2 is a side schematic view of a standard component of a truss support structure in a wind tower according to an embodiment of the invention; and refer to fig. 3 to 8. The truss support structure in wind power tower cylinder of this embodiment for install in a tower cylinder, be used for fixed other annex, this truss support structure includes: a bottom mounting assembly, a top mounting assembly, and at least one standard assembly 1; the modules 1 are connected in a stacked manner in a plurality of one-time connections as required.
The two ends of the standard component 1 are respectively provided with a flange interface, and the standard component 1 is connected with the bottom mounting component, the top mounting component or other standard components 1 through the flange interfaces; as shown in fig. 1 and 2.
The bottom mounting assembly is connected with the bottom of the tower drum 9, and the top mounting assembly is connected with the top of the tower drum 9.
The truss structure is connected with other internal accessories or platforms through the truss structure, so that the internal accessories are not connected with the tower cylinder wall any more, all the internal accessories are connected on the truss, and welding on the tower cylinder wall is avoided.
Typically, the module 1 is also provided with a ladder 4, the ladder 4 being bolted to the module 1.
It should be noted that the truss structure and the tower tube wall are not welded, so that the process flow is simplified, and the damage to the tower tube is avoided; in addition, this scheme has promoted a tower section of thick bamboo fatigue strength grade owing to not welding on a tower section of thick bamboo, has reduced a tower section of thick bamboo wall body design thickness, saves a tower section of thick bamboo cost.
In the wind tower inner truss support structure of this embodiment, as shown in fig. 2 to 4, the standard component 1 includes: a main body support frame 11 and a plurality of inclined struts 12; the main body support frame 11 is a frame structure and comprises a plurality of columns which are arranged in parallel; the adjacent columns are connected through the inclined strut 12.
Generally, the horizontal cross-sectional shape of the main body support 11 is triangular, rectangular or cylindrical.
According to actual needs, the horizontal cross-sectional shape of the main body support frame 11 is not limited to a quadrilateral, and may be a triangle, a cylinder, or other box-type structure, as long as modular stacking is satisfied.
The standard component is not limited to screw connection in the production process, and can be in the forms of welding, riveting and the like.
As shown in fig. 4, in the internal truss supporting structure of a wind power tower of the present embodiment, an auxiliary supporting frame 10 is further connected to the outer side of the standard component 1; one end of the auxiliary support frame 10 is connected to the standard component 1, and the other end is provided with a buffer piece; the auxiliary support frame 10 abuts against the inner wall of the tower 9 through the buffer member.
The number of the auxiliary supporting frames 10 is generally four or more, and diagonal reinforcing ribs 100 are provided between adjacent auxiliary supporting frames 10.
Because the tower section of thick bamboo is in the horizontal state of lying down before the tower section of thick bamboo installation, consequently need the auxiliary stay frame to guarantee that whole standard component does not take place to buckle. The auxiliary support bracket is preferably fixed to the junction of two adjacent modules.
As shown in fig. 5 and 6, the bottom mounting assembly includes: a base frame 2 and a plurality of support legs 20; one end of the support legs 20 is fixed to the bottom frame 2, and the other end is connected to a flange at the bottom of the tower 9.
The bottom frame 2 is connected with the supporting legs 20 through bolts and fixed on flange holes at the end part of the tower, and the tower plays a role in bearing and keeping stable when standing upright.
As shown in fig. 7 and 8, the top mounting assembly of the internal truss support structure of a wind turbine tower in this embodiment includes: a top frame 3 and a platform 30; the center of the platform 30 is provided with a sleeve hole 300, and the platform 30 is sleeved outside the top frame through the sleeve hole 300 and is fixedly connected with the top frame 3.
Generally, the platform 30 is assembled by connecting angle steels and pattern steel plates, the vertical angle steel 301 is fixed on the top frame, one end of the diagonal angle steel 302 is fixed on the vertical angle steel 301, and the other end supports the platform 30. The entire platform 30 is attached to the top frame 3 by flange plates, and the platform 30 is not attached to the tower walls.
In the internal truss supporting structure of the wind power tower cylinder, the top frame is also provided with an auxiliary hoisting support; the auxiliary hoisting support 31 is fixed to the top of the tower 9, and the bottom thereof is connected to the top frame 3.
Before the vertical whole tower drum is constructed, the truss support structure in the tower drum is installed in the following mode: the left end (namely the bottom mounting component 2) is connected and supported by a fixed supporting leg; a plurality of middle standard components are abutted against the inner wall of the tower barrel by adopting auxiliary supporting frames so as to keep the whole standard components not deformed; the right end (namely the top mounting component) is mounted on a right end flange of the tower barrel by adopting a temporary auxiliary hoisting support 31; after the wind turbine and the tower are erected, the auxiliary hoisting support 31 is detached.
In this embodiment, the structures of the module, the top frame and the bottom frame may be completely the same, and all have the structural mode of the module, and only the positions of the connected flange holes are different.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments. Through the above description of the embodiments, those skilled in the art will clearly understand that the above structure of the embodiments can be implemented by some modifications plus the necessary general technical overlap; of course, the method can also be realized by simplifying some important technical features in the upper level. Based on such understanding, the technical solution of the present invention essentially or contributing to the prior art is: integral construction and incorporating the methods described in the various embodiments of the present invention.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (8)
1. The utility model provides a truss bearing structure in wind power tower cylinder for install in a tower cylinder, its characterized in that, this truss bearing structure includes: a bottom mounting assembly, a top mounting assembly, and at least one standard assembly;
the two ends of the standard component are respectively provided with a flange interface, and the standard component is connected with the bottom mounting component, the top mounting component or other standard components through the flange interfaces;
the bottom mounting assembly is connected with the bottom of the tower barrel, and the top mounting assembly is connected with the top of the tower barrel.
2. The intra-wind tower truss support structure of claim 1, wherein the standard assembly comprises: the main body supporting frame and the plurality of inclined struts; the main body support frame is of a frame structure and comprises a plurality of columns which are arranged in parallel; and adjacent columns are connected through the inclined strut.
3. The wind tower inner truss support structure of claim 2, wherein an auxiliary support frame is further connected to an outer side of the standard assembly; one end of the auxiliary support frame is connected to the standard component, and the other end of the auxiliary support frame is provided with a buffer piece; the auxiliary supporting frame is abutted against the inner wall of the tower barrel through the buffer piece.
4. The wind tower inner truss support structure of claim 1, wherein the bottom mounting assembly comprises: a bottom frame and a plurality of support legs; one end of each of the supporting legs is fixed on the bottom frame, and the other end of each of the supporting legs is connected with a flange at the bottom of the tower barrel.
5. The wind tower inner truss support structure of claim 1, wherein the top mount assembly comprises: a top frame and a platform; the center of the platform is provided with a sleeve hole, and the platform is sleeved outside the top frame through the sleeve hole and is fixedly connected with the top frame.
6. The wind tower inner truss support structure of claim 5, wherein an auxiliary hoisting support is further provided on the top frame; the auxiliary hoisting support is fixed at the top of the tower barrel, and the bottom of the auxiliary hoisting support is connected with the top frame.
7. The wind tower inner truss support structure of claim 2, wherein the horizontal cross-sectional shape of the main body support frame is triangular, rectangular or cylindrical.
8. The truss support structure within a wind tower as claimed in claim 1, wherein a ladder is further installed on the standard component, and the ladder and the standard component are connected by bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110702076.9A CN113279925A (en) | 2021-06-24 | 2021-06-24 | Truss supporting structure in wind power tower cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110702076.9A CN113279925A (en) | 2021-06-24 | 2021-06-24 | Truss supporting structure in wind power tower cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113279925A true CN113279925A (en) | 2021-08-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110702076.9A Pending CN113279925A (en) | 2021-06-24 | 2021-06-24 | Truss supporting structure in wind power tower cylinder |
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| Country | Link |
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| CN (1) | CN113279925A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115213518A (en) * | 2022-08-18 | 2022-10-21 | 飒羽辰工程科技(上海)有限公司 | Automatic controllable phase change fastening method for accessories in wind power tower |
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| CN207715300U (en) * | 2017-10-30 | 2018-08-10 | 北京万源工业有限公司 | A kind of truss module that tower barrel of wind generating set inside is reinforced |
| CN108443085A (en) * | 2018-03-09 | 2018-08-24 | 远景能源（江苏）有限公司 | Welding wind turbine tower with cat ladder |
| CN109737011A (en) * | 2018-12-29 | 2019-05-10 | 三一重能有限公司 | Tower attachment installation method and system |
| CN111336070A (en) * | 2020-03-05 | 2020-06-26 | 天津科慧新能源科技发展有限公司 | Wind power tower body/tower section reinforcing structure and construction method thereof |
| CN112922787A (en) * | 2021-03-08 | 2021-06-08 | 中国华能集团清洁能源技术研究院有限公司 | Integral installation structure and method for platform in tower |
| CN112922785A (en) * | 2021-01-08 | 2021-06-08 | 张家口大金风电装备有限公司 | Truss type tower and wind generating set |
| CN214998049U (en) * | 2021-06-24 | 2021-12-03 | 翱文狄风电设备制造(上海)有限公司 | Truss supporting structure in wind power tower cylinder |
-
2021
- 2021-06-24 CN CN202110702076.9A patent/CN113279925A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020000075A1 (en) * | 2000-04-25 | 2002-01-03 | Rudolf Seiz | Lattice girder supporting frame having oblique cut truss braces |
| CN103711654A (en) * | 2013-12-23 | 2014-04-09 | 江苏海力风电设备科技有限公司 | Tower drum internal integration truss device and installation method thereof |
| CN203856652U (en) * | 2014-04-22 | 2014-10-01 | 广东明阳风电产业集团有限公司 | Connection structure for drum wall and inner accessory of wind driven generator set tower drum |
| CN207715300U (en) * | 2017-10-30 | 2018-08-10 | 北京万源工业有限公司 | A kind of truss module that tower barrel of wind generating set inside is reinforced |
| CN108443085A (en) * | 2018-03-09 | 2018-08-24 | 远景能源（江苏）有限公司 | Welding wind turbine tower with cat ladder |
| CN109737011A (en) * | 2018-12-29 | 2019-05-10 | 三一重能有限公司 | Tower attachment installation method and system |
| CN111336070A (en) * | 2020-03-05 | 2020-06-26 | 天津科慧新能源科技发展有限公司 | Wind power tower body/tower section reinforcing structure and construction method thereof |
| CN112922785A (en) * | 2021-01-08 | 2021-06-08 | 张家口大金风电装备有限公司 | Truss type tower and wind generating set |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115213518A (en) * | 2022-08-18 | 2022-10-21 | 飒羽辰工程科技(上海)有限公司 | Automatic controllable phase change fastening method for accessories in wind power tower |
| CN115213518B (en) * | 2022-08-18 | 2024-06-07 | 飒羽辰工程科技(上海)有限公司 | Automatic controllable phase change fastening method for accessories in wind power tower |
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