CN203499928U - Novel locating device of blade root bolts - Google Patents
Novel locating device of blade root bolts Download PDFInfo
- Publication number
- CN203499928U CN203499928U CN201320596269.1U CN201320596269U CN203499928U CN 203499928 U CN203499928 U CN 203499928U CN 201320596269 U CN201320596269 U CN 201320596269U CN 203499928 U CN203499928 U CN 203499928U
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- bolt
- hole
- blade root
- lining
- blade
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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
- 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
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Abstract
The utility model relates to a novel locating device of blade root bolts. The bolts of a wind driven generator are mainly concentrated on a blade connecting fastener and a tower connecting fastener. The novel locating device of the blade root bolts comprises a wind turbine blade (10) and a blade root bolt standard flange plate (1) provided with reinforcing ribs (4). A set of longitudinal bolt connecting holes (8) are formed in the root of the wind turbine blade. Each longitudinal bolt connecting hole is provided with a semicircular bolt hole bush (3). The longitudinal bolt connecting holes and the bolt locating blade root bolt standard flange plate are used in cooperation. Locating connecting holes (5) concentric with the longitudinal bolt connecting holes are formed in the circumference of the bolt locating blade root bolt standard flange plate. The diameter of each locating connecting hole is 8mm larger than that of each longitudinal bolt connecting hole. Each locating connecting hole is provided with a bush (2) with a boss (6) inside. Each locating connecting hole and the corresponding longitudinal bolt connecting hole are connected and located through a blade bolt (9). The novel locating device of the blade root bolts is used for locating the blade root bolts.
Description
technical field:
the utility model relates to a kind of new blade root bolt positioning device.
background technique:
it is very many that bolt is used in wind-driven generator, and these bolt Main Functions are connections and fastening.Bolt on wind-driven generator mainly concentrates on two positions: blade connects fastening piece and is connected fastening piece with tower cylinder.These two stressed more complicated in position, and the load being subject to is large, must use high-strength bolt.
at present, blade of wind-driven generator is used T-shaped bolt to connect mostly, blade is connected with the wheel hub of blower fan, make blade be overhang form, the load acting on blade is all delivered on wheel hub by blade root bolt, therefore the load of blade root is maximum, and it is also very large causing like this load that blade root bolt is subject to.The material of bolt and alignment error are the factors that affects bolt strength, the material of bolt is guaranteed by bolt manufacturer, but the alignment error of bolt is guaranteed by blade manufacturer, if the installation of bolt goes wrong, blade can not couple together with wheel hub certainly smoothly first, affects the on-the-spot installation efficiency of wind field; Even if second by force bolt is packed in wheel hub, do not meet the loading angle of its design, be certain to the certain load of many carryings, and cause axis of runner blade and wheel hub end face out of plumb, and affecting stability and the generating efficiency of impeller operation, domestic a lot of blade factory is in order to improve the installation rate of blade bolt, substantially do not use any positioning device, directly, after installation, do not check yet, cause blade in erecting bed, to occur in batches installation question.Even if some blade is installed by lucky and wheel hub, after blower fan runs well, greatly increased blade root bolt the probability rupturing has occurred.Domestic also have some manufacturers when construction bolt, also to use positioning device, but install very heavyly, must use crane gear auxiliary operation, increased like this installation efficiency, extremely be unfavorable for that operator uses, design a kind of light, not yielding, simple to operate again, cheap bolt positioning device, can improve efficiency and accuracy that blade root bolt is installed by blade factory, thereby guarantee the join strength of blade, this meaning is very great.
summary of the invention:
the purpose of this utility model is to provide a kind of accurate positioning, can guarantees that all blade bolts are arranged on the new blade root bolt positioning device on same circumference.
above-mentioned object realizes by following technological scheme:
a kind of new blade root bolt positioning device, its composition comprises: pneumatic equipment blades made, blade root bolt standard flange with stiffening rib, the root of described pneumatic equipment blades made has one group of longitudinal bolt attachment hole, semicircle bolt hole lining is housed in described longitudinal bolt attachment hole, described longitudinal bolt attachment hole and Bolt to position blade root bolt standard flange are used in conjunction with, on the circumference of described Bolt to position blade root bolt standard flange, have the be located by connecting hole concentric with described longitudinal bolt attachment hole, the diameter in the described hole that is located by connecting is greater than the diameter 8mm of described longitudinal bolt attachment hole, in the described hole that is located by connecting, the lining with boss is housed, between described be located by connecting hole and described longitudinal bolt attachment hole, by blade bolt, be connected location.
described new blade root bolt positioning device, described longitudinal bolt attachment hole is 40-60, the described hole that is located by connecting is 40-60.
described new blade root bolt positioning device, the diameter of described lining is greater than the diameter 1mm of described bolt, the inner diameter in the hole that is located by connecting described in the outer diameter of described lining equals.
described new blade root bolt positioning device, the quantity of described longitudinal bolt attachment hole, the described hole that is located by connecting, described lining, described blade bolt equates.
described new blade root bolt positioning device, described blade bolt is stud bolt, one end that described stud bolt is positioned at described longitudinal bolt attachment hole connects round nut.
described new blade root bolt positioning device, described lining is rubber bushing, the material of described blade root bolt standard flange is aluminum alloy.
described new blade root bolt positioning device, has the round nut hole vertical with described longitudinal bolt attachment hole on the wall of described pneumatic equipment blades made, the quantity in described round nut hole equates with the quantity of described longitudinal bolt attachment hole.
described new blade root bolt positioning device, described semicircle bolt hole lining comprises semicircle lining, described semicircle lining connects half-cone lining, the connection part of described semicircle lining and described half-cone lining has boss, and described semicircle bolt hole lining has positioning groove.
beneficial effect:
1. blade root bolt standard flange of the present utility model is to be made by aluminum alloy, and intensity is reliable, not yielding, and quality is light, is convenient to install.
hole on blade root bolt standard flange of the present utility model is all used precision machine tool to be made, and the large 8mm of aperture ratio bolt hole, is beneficial to installation rubber bushing.
the pullover external diameter of rubber bushing of the present utility model just in time equals the aperture of standard flange, and the internal diameter of lining, than the large 1mm of the blade root diameter of bolt, is conducive in the hole of lining insertion standard flange.
one end of semicircle bolt hole lining of the present utility model is tapered, and the object of design is to be convenient in the gap of lining inserting bolt and bolt hole like this.
the utility model is used blade root bolt standard flange, rubber bushing and semicircle bolt hole lining simultaneously, has guaranteed that every bolt is concentric with its bolt hole, makes all bolts all on a circumference.
the utility model can guarantee that all bolts of root of blade are in same circumference; Every bolt is also concentric with the bolt hole of root of blade.Guarantee the installation precision of blade bolt, be convenient to successfully blade bolt be inserted in the bolt hole on axial fan hub, improved the packaging efficiency of blower fan, lowered the risk that bolt ruptures because bearing additional load.
accompanying drawing explanation:
accompanying drawing 1 is fiberglass blade figure.
accompanying drawing 2 is fiberglass blade blade root bolt hole schematic diagram in accompanying drawing 1.
accompanying drawing 3 is that in accompanying drawing 1, the T-shaped bolt of blade root is installed partial schematic diagram.
accompanying drawing 4 is roots of glass fiber reinforced plastic blades bolt installation network for location.
accompanying drawing 5 is blade root bolt installation profile.
accompanying drawing 6 is blade root Bolt to position flange plate in accompanying drawing 4.
accompanying drawing 7 is semicircle bolt hole lining in accompanying drawing 4.
accompanying drawing 8 is rubber bushing in accompanying drawing 4.
embodiment:
embodiment 1:
a kind of new blade root bolt positioning device, its composition comprises: pneumatic equipment blades made 10, blade root bolt standard flange 1 with stiffening rib 4, the root of described pneumatic equipment blades made has one group of longitudinal bolt attachment hole 8, semicircle bolt hole lining 3 is housed in described longitudinal bolt attachment hole, described longitudinal bolt attachment hole and Bolt to position blade root bolt standard flange are used in conjunction with, on the circumference of described Bolt to position blade root bolt standard flange, have the be located by connecting hole 5 concentric with described longitudinal bolt attachment hole, the diameter in the described hole that is located by connecting is greater than the diameter 8mm of described longitudinal bolt attachment hole, lining 2 with boss 6 is housed in the described hole that is located by connecting, between described be located by connecting hole and described longitudinal bolt attachment hole, by blade bolt 9, be connected location.
blade root bolt standard flange is the circular frock being formed by mechanical lathe precision machining, the hole that is located by connecting with the same quantity of longitudinal bolt attachment hole, longitudinal bolt attachment hole and the hole that is located by connecting are circle distribution, and Main Function is to make blade bolt on same circumference; Rubber bushing is placed on being located by connecting in hole of flange plate in advance, can protect bolt surface not scratched.
first the rubber bushing in accompanying drawing 8 is inserted in to all being located by connecting in hole of the blade root Bolt to position flange plate in accompanying drawing 7, and then aims at the mounted blade bolt of pneumatic equipment blades made root, allow all borehole jacks enter bolt.If bolt has bias not positive, use powerful adjustment, make in its hole that penetrates blade root bolt standard flange.Blade root bolt standard flange can not be inserted in dark, and all bolts of distance outer end 1cm, guarantees that the blade root end face of blade root bolt standard flange and pneumatic equipment blades made is parallel like this.
as shown in Figure 4, penetrate accompanying drawing 6 all of blade root Bolt to position flange plate be located by connecting in hole at adjustment blade bolt, certainly have blade bolt position bias, wear to enter, these blade bolts and self longitudinal bolt attachment hole be decentraction also.First use semicircle bolt hole lining in accompanying drawing 7 to insert the too small position in blade bolt and longitudinal bolt attachment hole gap, because the tip of accompanying drawing 7 semicircle bolt hole linings is designed to taper, easily insertion.When accompanying drawing 7 semicircle bolt hole linings are inserted into the root of lining, the bolt at this position is adjusted to accurate location certainly, so very easily being located by connecting in hole through Fig. 6 blade root bolt standard flange.
in accompanying drawing 4, after all longitudinal bolt attachment holes and accompanying drawing 7 blade root bolt standard flanges are installed correctly, with round nut in accompanying drawing 4, be fixed, after fixedly completing, can take off accompanying drawing 6, accompanying drawing 7 and attached blade root bolt standard flange and parts thereof.
embodiment 2:
new blade root bolt positioning device described in embodiment 1, described longitudinal bolt attachment hole is 40-60, the described hole that is located by connecting is 40-60.
embodiment 3:
new blade root bolt positioning device described in embodiment 1, the diameter of described lining is greater than the diameter 1mm of described blade bolt, the inner diameter in the hole that is located by connecting described in the outer diameter of described lining equals.
embodiment 4:
embodiment 5:
new blade root bolt positioning device described in embodiment 1, described blade bolt is stud bolt, one end that described stud bolt is positioned at described longitudinal bolt attachment hole connects round nut 7.
embodiment 6:
new blade root bolt positioning device described in embodiment 1, described lining is rubber bushing, the material of described blade root bolt standard flange is aluminum alloy.Lightweight, not yielding, simple to operate again.
embodiment 7:
new blade root bolt positioning device described in embodiment 1, has the round nut hole vertical with described longitudinal bolt attachment hole on the wall of described pneumatic equipment blades made, the quantity in described round nut hole equates with the quantity of described longitudinal bolt attachment hole.
embodiment 8:
new blade root bolt positioning device described in embodiment 1, described semicircle bolt hole lining comprises semicircle lining, described semicircle lining connects half-cone lining, the connection part of described semicircle lining and described half-cone lining has boss, and described semicircle bolt hole lining has positioning groove.
embodiment 9:
new blade root bolt positioning device described in embodiment 1, described longitudinal bolt attachment hole is 40, the described hole that is located by connecting is 40.
embodiment 10:
new blade root bolt positioning device described in embodiment 1, described longitudinal bolt attachment hole is 60, the described hole that is located by connecting is 60.
Claims (8)
1. a new blade root bolt positioning device, its composition comprises: pneumatic equipment blades made, blade root bolt standard flange with stiffening rib, it is characterized in that: the root of described pneumatic equipment blades made has one group of longitudinal bolt attachment hole, semicircle bolt hole lining is housed in described longitudinal bolt attachment hole, described longitudinal bolt attachment hole and Bolt to position blade root bolt standard flange are used in conjunction with, on the circumference of described Bolt to position blade root bolt standard flange, have the be located by connecting hole concentric with described longitudinal bolt attachment hole, the diameter in the described hole that is located by connecting is greater than the diameter 8mm of described longitudinal bolt attachment hole, in the described hole that is located by connecting, the lining with boss is housed, between described be located by connecting hole and described longitudinal bolt attachment hole, by blade bolt, be connected location.
2. new blade root bolt positioning device according to claim 1, is characterized in that: described longitudinal bolt attachment hole is 40-60, and the described hole that is located by connecting is 40-60.
3. new blade root bolt positioning device according to claim 1, is characterized in that: the diameter of described lining is greater than the diameter 1mm of described blade bolt, the inner diameter in the hole that is located by connecting described in the outer diameter of described lining equals.
4. new blade root bolt positioning device according to claim 1 and 2, is characterized in that: the quantity of described longitudinal bolt attachment hole, the described hole that is located by connecting, described lining, described blade bolt equates.
5. new blade root bolt positioning device according to claim 1, is characterized in that: described blade bolt is stud bolt, and one end that described stud bolt is positioned at described longitudinal bolt attachment hole connects round nut.
6. new blade root bolt positioning device according to claim 1, is characterized in that: described lining is rubber bushing, and the material of described blade root bolt standard flange is aluminum alloy.
7. new blade root bolt positioning device according to claim 1, it is characterized in that: on the wall of described pneumatic equipment blades made, have the round nut hole vertical with described longitudinal bolt attachment hole, the quantity in described round nut hole equates with the quantity of described longitudinal bolt attachment hole.
8. new blade root bolt positioning device according to claim 1, it is characterized in that: described semicircle bolt hole lining comprises semicircle lining, described semicircle lining connects half-cone lining, the connection part of described semicircle lining and described half-cone lining has boss, and described semicircle bolt hole lining has positioning groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320596269.1U CN203499928U (en) | 2013-09-26 | 2013-09-26 | Novel locating device of blade root bolts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320596269.1U CN203499928U (en) | 2013-09-26 | 2013-09-26 | Novel locating device of blade root bolts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203499928U true CN203499928U (en) | 2014-03-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320596269.1U Expired - Fee Related CN203499928U (en) | 2013-09-26 | 2013-09-26 | Novel locating device of blade root bolts |
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| Country | Link |
|---|---|
| CN (1) | CN203499928U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106609726A (en) * | 2016-12-20 | 2017-05-03 | 北京金风科创风电设备有限公司 | Insert for blade, blade and wind generating set |
| CN106739020A (en) * | 2016-12-13 | 2017-05-31 | 惠阳航空螺旋桨有限责任公司 | A kind of sample prototype blade bushing |
| CN111365195A (en) * | 2020-02-21 | 2020-07-03 | 中复连众（酒泉）复合材料有限公司 | Assembly pre-positioning detection tool and detection method for wind driven generator blade |
-
2013
- 2013-09-26 CN CN201320596269.1U patent/CN203499928U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106739020A (en) * | 2016-12-13 | 2017-05-31 | 惠阳航空螺旋桨有限责任公司 | A kind of sample prototype blade bushing |
| CN106609726A (en) * | 2016-12-20 | 2017-05-03 | 北京金风科创风电设备有限公司 | Insert for blade, blade and wind generating set |
| CN106609726B (en) * | 2016-12-20 | 2019-10-11 | 北京金风科创风电设备有限公司 | Insert for blade, blade and wind generating set |
| CN111365195A (en) * | 2020-02-21 | 2020-07-03 | 中复连众（酒泉）复合材料有限公司 | Assembly pre-positioning detection tool and detection method for wind driven generator blade |
| CN111365195B (en) * | 2020-02-21 | 2022-12-13 | 中复连众（酒泉）复合材料有限公司 | Assembly pre-positioning detection tool and detection method for wind driven generator blade |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140326 Termination date: 20160926 |