CN111365195B - Assembly pre-positioning detection tool and detection method for wind driven generator blade - Google Patents
Assembly pre-positioning detection tool and detection method for wind driven generator blade Download PDFInfo
- Publication number
- CN111365195B CN111365195B CN202010109055.1A CN202010109055A CN111365195B CN 111365195 B CN111365195 B CN 111365195B CN 202010109055 A CN202010109055 A CN 202010109055A CN 111365195 B CN111365195 B CN 111365195B
- Authority
- CN
- China
- Prior art keywords
- tool
- positioning
- positioning bolt
- driven generator
- wind driven
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
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
- F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
- F03D13/10—Assembly of wind motors; Arrangements for erecting wind motors
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/24—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes
- G01B5/245—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes for testing perpendicularity
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/24—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes
- G01B5/25—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- 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)
- Wind Motors (AREA)
Abstract
The invention relates to an assembly pre-positioning detection tool and a detection method for a wind driven generator blade, and belongs to the field of wind driven generator equipment. The assembly pre-positioning detection tool for the wind driven generator blade comprises a tool frame, wherein the tool frame is the same as a flange at the root part of the wind driven generator blade, and a positioning frame is arranged in the center of the tool frame; a plurality of screw holes are sequentially arranged at the edge of the tool rack; a first positioning bolt and a second positioning bolt are arranged in the screw hole, and the length of the first positioning bolt is larger than that of the second positioning bolt. According to the assembly pre-positioning detection tool and the assembly pre-positioning detection method for the wind driven generator blade, the perpendicularity of the bolt and the screw hole is adopted for detecting the tool frame, and the installation precision of the tool frame on the wind driven generator blade is improved. The inclined screw holes can be checked and maintained one by one, and the installation time is saved.
Description
Technical Field
The invention relates to an assembly pre-positioning detection tool and a detection method for a wind driven generator blade, and belongs to the field of wind driven generator equipment.
Background
Wind energy is an important branch of new energy, and is a green energy which is intensively developed at home and abroad due to the characteristics of cleanness, safety and stability. Wind turbines are devices that convert wind energy into electrical energy, with the blades being one of the core components of the wind turbine. As is well known, most of wind power generation blades adopt an epoxy resin system with low shrinkage rate, but the diameter of the root of the blade is generally more than 2.4m and even the diameter of individual blade profile reaches 4m nowadays when the blade is large. Along with the increase of the diameter of the root of the blade, the influence of the shrinkage of a resin system on the position degree and the verticality of a bolt hole of the blade is large, and even the problem that the blade cannot be in butt joint with a hub of a unit due to overlarge deviation occurs. To ensure perfect docking of the blades with the hub, two problems need to be solved: and secondly, how to accurately detect the position degree and the perpendicularity of the bolt hole and how to reduce the influence of shrinkage on the position degree and the perpendicularity of the bolt.
Disclosure of Invention
Aiming at the defects, the invention provides a pre-positioning detection tool and a detection method for assembling a wind driven generator blade.
The invention can use the following technical scheme:
the invention relates to an assembling pre-positioning detection tool for a wind driven generator blade, which comprises a tool frame, wherein the tool frame is the same as a flange at the root part of the wind driven generator blade, and the center of the tool frame is provided with a positioning frame; a plurality of screw holes are sequentially arranged at the edge of the tool rack; a first positioning bolt and a second positioning bolt are arranged in the screw hole, and the length of the first positioning bolt is larger than that of the second positioning bolt.
The assembly pre-positioning detection tool for the blades of the wind driven generator is characterized in that the tool frame is of a circular hollow structure, a positioning frame is arranged in the hollow structure of the tool frame, and the positioning frame is in a cross shape or a meter shape; the thickness of the tool frame is the same as that of the flange at the root of the generator blade.
According to the assembly pre-positioning detection tool for the wind driven generator blade, the lengths of the first positioning bolt and the second positioning bolt are both larger than the depth of the inner screw hole and the thickness of the tool frame.
According to the assembly pre-positioning detection tool for the wind driven generator blade, the included angle between every two adjacent positioning bolts is 45-90 degrees; and the second positioning bolt is uniformly distributed and filled with residual screw holes.
The invention discloses a detection method for the assembly positioning detection work of a wind driven generator blade, which comprises the following steps:
preparing a tool rack of a detection tool with the same size according to the size of a flange of a wind power generation blade;
inserting a first positioning bolt and a second positioning bolt into a flange screw hole at the root of the generator blade;
thirdly, arranging a screw hole sleeve of the tool frame on the first positioning bolt, and translating the tool frame to a flange at the root of the generator blade;
step four, according to the third step, the tool frame is translated to the second positioning bolt, and the tool frame is continuously translated to enable the second positioning bolt to extend into the screw hole of the tool frame;
observing the flatness between the tool frame and the end face of the flange at the root of the blade of the wind driven generator when the positioning bolt II moves; and if the translation is blocked, checking a specific second positioning bolt in the blocked area in time, and determining that the screw hole of the flange at the root part of the wind driven generator blade is inclined.
According to the detection method for the assembling, positioning and detecting work of the wind driven generator blade, in the second step, the positioning bolts I are arranged in the circumferential direction of the center of the flange at the root of the generator blade.
The invention relates to a detection method for the assembly positioning detection work of a wind driven generator blade, wherein four positioning bolts I are circumferentially arranged at 90 degrees; six positioning bolts are arranged at 60-degree circumference; the first positioning bolts are eight and are circumferentially arranged at an angle of 45 degrees.
According to the detection method for the assembling, positioning and detecting of the wind driven generator blade, the tool frame is translated until the top end of the positioning bolt II extends out of the screw hole of the tool frame for a certain distance, and then detection is completed.
Advantageous effects
According to the assembly pre-positioning detection tool and the assembly pre-positioning detection method for the wind driven generator blade, the perpendicularity of the bolt and the screw hole is adopted for detecting the tool frame, and the installation precision of the tool frame on the wind driven generator blade is improved.
The assembly pre-positioning detection tool and the assembly pre-positioning detection method for the wind driven generator blade, provided by the invention, can be used for checking and overhauling the inclined screw holes one by one, so that the installation time is saved.
Drawings
FIG. 1 is a schematic view of a tool rack of the present invention prior to inspection;
FIG. 2 is a schematic view of the tool rack of the present invention after inspection;
FIG. 3 is a schematic view of the short spacer bolt configuration of the present invention;
FIG. 4 is a schematic view of a long positioning bolt of the present invention;
fig. 5 is a schematic view of the structure of the tool holder of the present invention.
In the figure, 1 is a tool rack, 2 is a first positioning bolt, and 3 is a second positioning bolt; 4 is a wind power generator blade root flange.
Detailed Description
In order to make the purpose and technical solution of the embodiments of the present invention clearer, the technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the drawings of the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the invention without inventive step, are within the scope of protection of the invention.
As shown in the figure: a pre-positioning detection tool for assembling of a wind driven generator blade comprises a tool frame 1, wherein the tool frame 1 is the same as a flange 4 at the root of the wind driven generator blade, and a positioning frame is arranged in the center of the tool frame 1; a plurality of screw holes are sequentially arranged at the edge of the tool rack; a first positioning bolt 2 and a second positioning bolt 3 are arranged in the screw hole, and the length of the first positioning bolt is larger than that of the second positioning bolt. The tool frame 1 is round, the hollow structure of the round tool frame is provided with a positioning frame in the hollow structure, and the positioning frame is in a cross shape or a meter shape; the included angle between every two adjacent positioning bolts is 45-90 degrees; and the second positioning bolt is uniformly distributed and filled with residual screw holes.
The number of bolt holes of each blade is defined as X, the depth of each bolt hole is defined as L, the length of each customized bolt is defined as L1 and L2, and the thickness of each customized main bolt and the thickness of each verticality detection tool are defined as T. The diameter of a bolt hole at the root part of the blade is defined as B, the center distance of the bolt hole is defined as D, and the diameter of a screw is defined as M.
First, two sizes of custom screws were made, 6 of which were L1 in length, as shown in fig. 1. The remaining X-6 bolts are L2 in length, as shown in FIG. 2. Both L1 and L2 are greater than L + T, where L1 > L2.
And (5) a customized position degree and perpendicularity detection tool. And manufacturing a tool with the same thickness as the flange at the root part of the blade, wherein the hole position and the hole number are the same as the distribution of the bolt holes designed at the root part of the blade. Wherein the diameter of the holes is such that it contains X holes with a diameter of B +1 mm. Thickness T =200mm. As shown in fig. 3.
When in detection, bolts with the lengths of L1 and L2 are installed in bolt holes and are connected with nuts or bolt sleeves through threads, and the length of L1 is evenly installed according to 60 degrees.
The position degree and perpendicularity detection tool is installed on a bolt, the position degree and perpendicularity detection tool is installed on the bolt with the length of L1 in a hole mode at first, the fact that the position degree and perpendicularity detection tool is parallel to the plane of a flange at the root of a blade is guaranteed, then an external force is applied to the center of the tool, the tool is pushed to be installed on the bolt with the length of L2 in a parallel mode, and the bolt with the length of L2 stretches out of the detection tool by more than 10 mm. The distance between the tool and the end face of the root of the blade is measured in a shape of a Chinese character 'mi' (one point per 45 degrees) in the process of translating the detection tool, and the distances of 8 positions are always kept consistent.
If the bolt holes can be completely installed in place, the fact that the position degree of the bolt holes meets the requirement that the perpendicularity meets 1mm deviation is proved. If the position of the bolt hole cannot be found out directly, the data of the position and the deviation of the bolt hole can be found out directly, and the adjustment can be carried out by adopting a supporting mode and the like.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (3)
1. A pre-positioning detection tool for assembling of a wind driven generator blade comprises a tool frame, wherein the tool frame is the same as a flange at the root part of the wind driven generator blade, and a positioning frame is arranged at the center of the tool frame; a plurality of screw holes are sequentially arranged at the edge of the tool rack; a first positioning bolt and a second positioning bolt are arranged in the screw hole, and the length of the first positioning bolt is greater than that of the second positioning bolt; the tool rack is circular, the hollow structure of the circular tool rack is provided with a positioning rack in the hollow structure, and the positioning rack is in a cross shape or a meter shape; the thickness of the tool frame is the same as that of a flange at the root of the generator blade; the lengths of the first positioning bolt and the second positioning bolt are both greater than the depth of the inner screw hole and the thickness of the tool rack; the method is characterized in that: the detection method comprises the following steps:
preparing a tool rack of a detection tool with the same size according to the size of a flange of a wind power generation blade;
inserting a first positioning bolt and a second positioning bolt into a flange screw hole at the root of the generator blade;
thirdly, arranging a screw hole sleeve of the tool frame on the first positioning bolt, and translating the tool frame to a flange at the root of the generator blade;
step four, according to the third step, the tool frame is translated to the second positioning bolt, and the tool frame is continuously translated to enable the second positioning bolt to extend into the screw hole of the tool frame;
observing the flatness between the tool frame and the end face of the flange at the root of the blade of the wind driven generator when the positioning bolt II moves; if the translation is blocked, a specific positioning bolt II in the blocked area is checked in time, and the fact that a screw hole of a flange at the root of the wind driven generator blade is inclined is determined;
the positioning bolts I in the second step are circumferentially arranged by the center of the flange at the root of the generator blade; the first positioning bolts are four and are circumferentially arranged at 90 degrees, or six and are circumferentially arranged at 60 degrees, or eight and are circumferentially arranged at 45 degrees.
2. The assembly prepositioning detection tool for the wind driven generator blade according to claim 1, which is characterized in that: and the second positioning bolt is uniformly distributed and filled with residual screw holes.
3. The assembly prepositioning detection tool for the wind driven generator blade according to claim 1, which is characterized in that: and the tool frame is translated until the top end of the second positioning bolt extends out of the screw hole of the tool frame for a certain distance, and then detection is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010109055.1A CN111365195B (en) | 2020-02-21 | 2020-02-21 | Assembly pre-positioning detection tool and detection method for wind driven generator blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010109055.1A CN111365195B (en) | 2020-02-21 | 2020-02-21 | Assembly pre-positioning detection tool and detection method for wind driven generator blade |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111365195A CN111365195A (en) | 2020-07-03 |
| CN111365195B true CN111365195B (en) | 2022-12-13 |
Family
ID=71204293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010109055.1A Active CN111365195B (en) | 2020-02-21 | 2020-02-21 | Assembly pre-positioning detection tool and detection method for wind driven generator blade |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111365195B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102748246A (en) * | 2012-07-19 | 2012-10-24 | 国电联合动力技术(连云港)有限公司 | Connecting structure of fan blade and variable propeller bearing |
| WO2014041182A2 (en) * | 2012-09-17 | 2014-03-20 | Areva Wind Gmbh | Guiding system for guiding a root of a rotor blade during installation and method of mounting a rotor blade on a rotor hub of a wind generator |
| CN203499928U (en) * | 2013-09-26 | 2014-03-26 | 黑龙江天华风电设备制造有限公司 | Novel locating device of blade root bolts |
| CN203611148U (en) * | 2013-09-29 | 2014-05-28 | 常州南车汽车零部件有限公司 | Support test tooling |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101865092B (en) * | 2009-04-14 | 2012-01-11 | 上海艾郎风电科技发展有限公司 | Method for mounting and positioning megawatt wind-power blade root end bolt |
| CN201433849Y (en) * | 2009-07-09 | 2010-03-31 | 内蒙古航天亿久科技发展有限责任公司 | Blade root part connection device for wind turbine generator |
| CN102220936B (en) * | 2011-05-25 | 2013-05-15 | 北京世纪威能科技有限公司 | Blade root structure made of bamboo composite material and manufacturing method thereof |
| CN202300867U (en) * | 2011-09-14 | 2012-07-04 | 南通东泰新能源设备有限公司 | Flange assembly positioning device for roots of embedded bolt fan blades |
| US9777704B2 (en) * | 2014-11-03 | 2017-10-03 | General Electric Company | Rotor blade assembly for a wind turbine having variable-length blade bolts |
-
2020
- 2020-02-21 CN CN202010109055.1A patent/CN111365195B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102748246A (en) * | 2012-07-19 | 2012-10-24 | 国电联合动力技术(连云港)有限公司 | Connecting structure of fan blade and variable propeller bearing |
| WO2014041182A2 (en) * | 2012-09-17 | 2014-03-20 | Areva Wind Gmbh | Guiding system for guiding a root of a rotor blade during installation and method of mounting a rotor blade on a rotor hub of a wind generator |
| CN203499928U (en) * | 2013-09-26 | 2014-03-26 | 黑龙江天华风电设备制造有限公司 | Novel locating device of blade root bolts |
| CN203611148U (en) * | 2013-09-29 | 2014-05-28 | 常州南车汽车零部件有限公司 | Support test tooling |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111365195A (en) | 2020-07-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR20120100950A (en) | Anode retainer for cathodic corrosion protection devices of foundation pipes of offshore wind turbines, foundation pipe of an offshore wind turbine and connecting structure therebetween, cathodic corrosion protection device for foundation pipes of offshore wind turbines, and offshore wind turbine | |
| CN112682104A (en) | Bolt installation method for steam turbine coupling in nuclear power plant | |
| CN106767501B (en) | A method of measurement large cylinder circularity | |
| CN111365195B (en) | Assembly pre-positioning detection tool and detection method for wind driven generator blade | |
| CN108489365A (en) | Cover the expansion detection and localization tooling and detection method of tubing product measuring for verticality | |
| CN207763638U (en) | The convenient survey tool of turbine shafting centering | |
| CN209664789U (en) | A kind of PWR nuclear power plant voltage-stablizer manhole threaded hole prosthetic device | |
| CN112123251B (en) | Offshore wind turbine bolt set centering method based on visual tracking | |
| CN217193929U (en) | Auxiliary tool for machining radial pin hole of bearing hole of wind power gear box body | |
| CN216515771U (en) | Major diameter pile foundation steel protects a straightness monitoring and corrects device that hangs down | |
| CN106679551B (en) | Concentricity measuring method and tool for sealing sleeve and intermediary case | |
| CN215521135U (en) | Wind generating set tower section of thick bamboo connecting bolt on-line monitoring system | |
| CN209802221U (en) | Quick correcting unit | |
| CN104476144A (en) | Device and method for cleaning threaded rod locked in embedded bolt sleeve at root of blade | |
| CN113155964A (en) | In-service fan main shaft end surface ultrasonic detection probe positioning device | |
| CN219347762U (en) | Laser plumb aligner protective cover | |
| CN214470588U (en) | Turbine rotor centering tool | |
| CN218120871U (en) | Coaxiality detection device of pump | |
| US6357129B1 (en) | Optical non-contacting cylindricity gauge | |
| CN111963354B (en) | Hydroelectric set idle test operation automatic test device | |
| CN211505661U (en) | Supporting and fixing device for split exciter rotor of generator | |
| CN210464293U (en) | Pipeline measuring tool | |
| CN218723764U (en) | Measuring tool for measuring chord distance between pigeon tail type positioning ribs | |
| CN111668014B (en) | Method for aligning positions of stay bars of inner and outer coils of transformer | |
| CN212434460U (en) | Transformer inner and outer coil stay position alignment frock |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |