CN201268549Y - Hoisting appliance for offshore wind power generation tower frame - Google Patents
Hoisting appliance for offshore wind power generation tower frame Download PDFInfo
- Publication number
- CN201268549Y CN201268549Y CNU2008201084907U CN200820108490U CN201268549Y CN 201268549 Y CN201268549 Y CN 201268549Y CN U2008201084907 U CNU2008201084907 U CN U2008201084907U CN 200820108490 U CN200820108490 U CN 200820108490U CN 201268549 Y CN201268549 Y CN 201268549Y
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- contact plate
- flange contact
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- fixed
- boatswain chair
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Abstract
The utility model provides a hoisting tool for an offshore wind turbine tower, which comprises a main hanging plate, rib plates and a flange contact plate; the main hanging plate is fixed at the side of the flange contact plate being far from a power tower, the bottom ends of the rib plates are fixed on the flange contact plate, and one side end of the rib plates is fixed with the main hanging plate; a main lifting hole is arranged on the main hanging plate, and a plurality of bolt holes are arranged on the flange contact plate; and the hoisting tool is connected with the tower flange and then performs hoisting by adopting a bolted-connection method, therefore, the deformation and the damage of the tower can be effectively avoided, and the hoisting tool has the advantages of better versatility, safe and convenient operation, convenient disassembly, reutilization and reduced construction cost.
Description
Technical field
The utility model relates to mounting appliance, relates in particular to a kind of offshore wind powder tower hoisting appliance.
Background technology
The development new forms of energy are needs of China's sustainable development of socio-economy, and wind power technology technology in new forms of energy is ripe relatively and be suitable for extensive development, the development of present domestic wind power technology also only limits on land, and the Oversea wind power generation technical field has then just begun starting.
No matter be arranged on land or marine wind-powered electricity generation project, as the prefabricated of wind-powered electricity generation unit and impeller basis pylon with to install all be the most key technology, especially with the risk maximum of tower hoisting.
Pylon is a cone, and its bottom maximum gauge is 3976mm, and minimum place, upper end also reaches more than 2 meters, and highly near 40 meters, whole pylon sidewall wall thickness is very thin, and generally about 12 to 16mm, the sidewall thickness only is about 18mm.Hence one can see that, thereby pylon is in the integral hoisting process and very big distortion occurs easily and structure is caused the destruction that can not keep.Therefore, take which kind of lifting mode, factors such as how suspension centre designs all will determine the success or failure of lifting work, if at pylon upper end outer wall the suspension centre of welding is set according to common method, local deformation may occurs because the tower wall is very thin, after pylon erects, because pylon is very high, will be at height in the air with suspension centre excision and carry out touch-up paint, difficulty of construction is also very big, and poor stability.
In addition, at present the installation of land wind-powered electricity generation project is limited by traffic condition, generally be with pylon be divided into 2 to 3 sections carry out prefabricated, segmental hoisting and connect during installation with flange.The offshore wind farm pylon generally is prefabricated in the close place of harbour, can whole shipment carry out the sea installation after prefabricated, can overcome the restriction of traffic condition like this, pylon can integral body carry out prefabricated, but because tower diameter is big, wall is thin, and entire length is big, easier deforming in the hoisting process.
The utility model content
Main purpose of the present utility model is to overcome the above-mentioned shortcoming that existing product exists, and provide a kind of offshore wind powder tower hoisting appliance, it comprises main boatswain chair, gusset and flange contact plate, lift after adopting bolt connecting mode to make hoisting appliance and tower flanges is connected, can effectively prevent the distortion and the damage of pylon, have preferable commonality, easy-to-operate, and be convenient to dismounting, can repeated usage, reduce construction cost.
The purpose of this utility model is realized by following technical scheme.
The utility model offshore wind powder tower hoisting appliance is characterized in that, comprises main boatswain chair, gusset and flange contact plate; This main boatswain chair is fixed on the side of flange contact plate away from the generating pylon, and several piece gusset bottom is fixed on the flange contact plate, and a side and main boatswain chair are fixed; This main boatswain chair is provided with main hanging hole, and this flange contact plate is provided with several bolts hole.
Aforesaid offshore wind powder tower hoisting appliance, wherein the flange contact plate is and the cooresponding ring bodies of generating pylon upper flange shape, its length is 1/10th to 1/20th of generating pylon upper flange circumference, and the flange contact plate corresponding bolt hole of pylon upper flange screw that is provided with and generates electricity is for the flange contact plate is fixed on the flange on generating pylon top.
Aforesaid offshore wind powder tower hoisting appliance, wherein main boatswain chair have and the identical sinuousness of flange contact plate annular solid radian, and at main boatswain chair away from offering a main hanging hole with the in addition end of flange contact plate fixed end.
Aforesaid offshore wind powder tower hoisting appliance, wherein the several piece gusset is two, it is separately fixed on the flange contact plate that is positioned at main boatswain chair two ends, and this gusset bottom is fixed on the flange contact plate, and a side and main boatswain chair are fixed towards a side of generating pylon.
Aforesaid offshore wind powder tower hoisting appliance, wherein the flange contact plate is provided with 5 bolts hole, wherein 3 between two gusset inboards, other 2 outsides that lay respectively at every gusset.
The beneficial effect of the utility model Oversea wind power generation tower hoisting appliance, it comprises main boatswain chair, gusset and flange contact plate, lift after adopting bolt connecting mode to make hoisting appliance and tower flanges is connected, can effectively avoid pylon is caused damage, prevent the distortion of pylon.It can play the effect of suspension centre, only needs climb up from pylon inside cat head and bolt is unloaded get final product after lifting is finished, and is easy and simple to handle and safe and reliable.Be provided with gusset in this hoisting appliance, can prevent that radial pressure that the lifting rope angle produces from causing the distortion of flange.And the hoisting appliance deflection is little, and the intensity height is safe and reliable, can guarantee the safety of lifting operation, and is satisfactory for result.Can repeated usage, especially can save cost greatly to the tower hoisting of large batch of same model.
Description of drawings:
Fig. 1 is the utility model perspective view.
Main label declaration among the figure: 1 main boatswain chair, 2 main hanging holes, 3 gussets, 4 flange contact plates, 5 bolts hole.
The specific embodiment
Consult shown in Figure 1, the utility model offshore wind powder tower hoisting appliance, it comprises main boatswain chair 1, gusset 3 and flange contact plate 4; This main boatswain chair 1 is fixed on the side of flange contact plate 4 away from the generating pylon, and several piece gusset 3 bottoms are fixed on the flange contact plate, and a side and main boatswain chair 1 are fixing; This main boatswain chair 1 is provided with main hanging hole 2, and this flange contact plate 4 is provided with several bolts hole 5.
Consult shown in Figure 1, the utility model offshore wind powder tower hoisting appliance, wherein, flange contact plate 4 is and the cooresponding ring bodies of generating pylon upper flange shape, its length is 1/10th to 1/20th of generating pylon upper flange circumference, and the flange contact plate 4 corresponding bolt hole 5 of pylon upper flange screw that is provided with and generates electricity is for flange contact plate 4 is fixed on the flange on generating pylon top; This main boatswain chair 1 has and the identical sinuousness of flange contact plate 4 annular solid radians, and at main boatswain chair 1 away from offering a main hanging hole 2 with the in addition end of flange contact plate 4 fixed ends; Several piece gusset 3 is two, and it is separately fixed on the flange contact plate 4 that is positioned at main boatswain chair 1 two ends, and these gusset 3 bottoms are fixed on the flange contact plate 4, and a side and main boatswain chair 1 are fixed towards a side of generating pylon; Flange contact plate 4 is provided with 5 bolts hole, wherein 3 between two gusset 3 inboards, other 2 outsides that lay respectively at every gusset 3.
Consult shown in Figure 1, the preparation of the utility model Oversea wind power generation tower hoisting appliance, adopting model is that GB712-2000A36 steel plate prepares main boatswain chair 1, gusset 3 and flange contact plate 4; This flange contact plate 4 cooresponding ring bodies of pylon upper flange shape of making and generate electricity, the length of this ring bodies is ten sixths of generating pylon upper flange circumference, the annular solid exradius is 1350mm, interior radius of circle is 1170mm, and be provided with on flange contact plate 4 and corresponding 5 bolts hole 5 of the pylon upper flange screw that generates electricity, present embodiment is provided with the bolt hole that diameter is 33mm according to the specification of generating pylon upper flange screw, adopt 8.8 grades high strength bolt, model is M30; This main boatswain chair 1 is made the ear body, and main boatswain chair 1 is away from offering a main hanging hole 2 with the end in addition of flange contact plate fixed end, and the diameter of this main hanging hole 2 is 60mm, and main boatswain chair 1 is suppressed and the identical sinuousness of flange contact plate 4 annular solid radians; Two gussets 3 are made the right-angled trapezium body, and the length of itself and flange contact plate 4 fixed ends is 135mm, with the length of main boatswain chair 1 fixed end be 100mm, it is relative with main boatswain chair 1 fixed end that to hold length in addition be 40mm; Main boatswain chair 1 is weldingly fixed on the side of flange contact plate 4 away from the generating pylon, two gussets 3 are weldingly fixed on respectively on the flange contact plate 4 that is positioned at main boatswain chair 1 both sides, length is that the end of 135mm is welded on the flange contact plate 4, length is that the end of 100mm is welded on the side of main boatswain chair 1 towards the generating pylon, and make 3 bolts hole 5 on the flange contact plate 4 between the inboard of two gussets 3,2 bolts hole 5 lay respectively at the outside of every gusset 3 in addition, thereby finish the preparation of the utility model Oversea wind power generation tower hoisting appliance.
When the utility model Oversea wind power generation tower hoisting appliance uses, be fixed on the upper flange dish by the cooresponding both sides of generating pylon respectively, carry out lifting operation then by the flange contact plate 4 of bolt with two Oversea wind power generation tower hoisting appliances.Lifting operation finishes, and by manually climbing up cat head in the generating tower, unloads bolt, and the hoisting appliance on the flange is taken off, can repeated usage.
Utilize ANSYS software that the Oversea wind power generation tower hoisting appliance of the utility model the foregoing description is carried out the finite element strength check, under finite element analysis level lifting operating mode, the maximum distortion of this hoisting appliance is 0.13mm, deflection is very little, maximum stress is 198.4MPa, less than permissible stress 0.8 σ s=0.8X345=276MPa; Erect under the lifting operating mode, the maximum distortion of this hoisting appliance is 0.228mm, and deflection is also very little, and maximum stress is 244.4MPa, less than permissible stress 0.8 σ s=0.8X345=276MPa.Simultaneously bolt is carried out strength check, at first, the bolt model meets code requirement, and its pretension torsion can reach 1350NM; Under level lifting operating mode bolt is carried out the check of friction force according to tower hoisting weight then, bolt is carried out the check of drawing stress erecting under the lifting operating mode, the computing value of check result is about 1/10th of allowable value.Safe and reliable by strength check presentation of results the utility model Oversea wind power generation tower hoisting appliance.In addition, this hoisting appliance is to carry out lifting operation on the tower flanges by being bolted in use, needn't weld suspension centre on the tower wall, therefore can avoid the local deformation problem of pylon fully; And lifting operation only needs climb up from pylon inside cat head after finishing and bolt is unloaded get final product, and is easy and simple to handle and safe and reliable.
The advantage of the utility model Oversea wind power generation tower hoisting appliance is: 1, adopt bolt connecting mode that hoisting appliance is connected with tower flanges, effectively avoid pylon is caused damage, prevent the distortion of pylon.2, can play the effect of existing suspension centre, only need be climbed up cat head and bolt is unloaded got final product from pylon inside lifting is finished after, and are easy and simple to handle, safe and reliable.3, be provided with gusset in this suspender, can prevent that radial pressure that the lifting rope angle produces from causing the distortion of flange.4, hoisting appliance intensity height can be guaranteed the safety of lifting operation, the result of use ideal.5, reusable, especially can save cost greatly to the tower hoisting of large batch of same model.
The above, it only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, every foundation technical spirit of the present utility model all still belongs in the scope of technical solutions of the utility model any simple modification, equivalent variations and modification that above embodiment did.
Claims (5)
1, a kind of offshore wind powder tower hoisting appliance is characterized in that, comprises main boatswain chair, gusset and flange contact plate; This main boatswain chair is fixed on the side of flange contact plate away from the generating pylon, and several piece gusset bottom is fixed on the flange contact plate, and a side and main boatswain chair are fixed; This main boatswain chair is provided with main hanging hole, and this flange contact plate is provided with several bolts hole.
2, offshore wind powder tower hoisting appliance according to claim 1, it is characterized in that, described flange contact plate is and the cooresponding ring bodies of generating pylon upper flange shape, its length is 1/10th to 1/20th of generating pylon upper flange circumference, and the flange contact plate corresponding bolt hole of pylon upper flange screw that is provided with and generates electricity is for the flange contact plate is fixed on the flange on generating pylon top.
3, offshore wind powder tower hoisting appliance according to claim 1 and 2, it is characterized in that, described main boatswain chair has and the identical sinuousness of flange contact plate annular solid radian, and at main boatswain chair away from offering a main hanging hole with the in addition end of flange contact plate fixed end.
4, offshore wind powder tower hoisting appliance according to claim 1, it is characterized in that, described several piece gusset is two, it is separately fixed on the flange contact plate that is positioned at main boatswain chair two ends, this gusset bottom is fixed on the flange contact plate, and a side and main boatswain chair are fixed towards a side of generating pylon.
5, offshore wind powder tower hoisting appliance according to claim 1 is characterized in that, described flange contact plate is provided with 5 bolts hole, wherein 3 between two gusset inboards, other 2 outsides that lay respectively at every gusset.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CNU2008201084907U CN201268549Y (en) | 2008-06-06 | 2008-06-06 | Hoisting appliance for offshore wind power generation tower frame |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CNU2008201084907U CN201268549Y (en) | 2008-06-06 | 2008-06-06 | Hoisting appliance for offshore wind power generation tower frame |
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CN201268549Y true CN201268549Y (en) | 2009-07-08 |
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CNU2008201084907U Expired - Lifetime CN201268549Y (en) | 2008-06-06 | 2008-06-06 | Hoisting appliance for offshore wind power generation tower frame |
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Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
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CN101870053A (en) * | 2010-05-21 | 2010-10-27 | 天津赛瑞机器设备有限公司 | Lifting appliance for wind power equipment |
CN102275809A (en) * | 2011-07-07 | 2011-12-14 | 中国十七冶集团有限公司 | Special-purposed bidirectional regulation combined lifting appliance for lifting tower drum of wind driven generator |
CN102425530A (en) * | 2011-11-17 | 2012-04-25 | 中国十七冶集团有限公司 | Split high-altitude butt-joint installation method of offshore wind generating set |
CN102471039A (en) * | 2009-07-24 | 2012-05-23 | 西门子公司 | Lifting fitting |
CN102774740A (en) * | 2012-08-16 | 2012-11-14 | 招商局重工(深圳)有限公司 | Arc balancing beam |
CN103434920A (en) * | 2013-09-12 | 2013-12-11 | 中国海洋石油总公司 | Lifting point of plate-type traction shell flange |
CN103434922A (en) * | 2013-09-12 | 2013-12-11 | 中国海洋石油总公司 | Lifting point of all-rotation shell flange |
CN103434923A (en) * | 2013-09-12 | 2013-12-11 | 中国海洋石油总公司 | Lifting point of plate-type shell flange |
CN104609295A (en) * | 2015-01-29 | 2015-05-13 | 韩文强 | Sling for pipeline hoisting and using method thereof |
CN105540410A (en) * | 2015-12-29 | 2016-05-04 | 江苏金风科技有限公司 | Lifting device and method for wind turbine generator set |
-
2008
- 2008-06-06 CN CNU2008201084907U patent/CN201268549Y/en not_active Expired - Lifetime
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8678455B2 (en) | 2009-07-24 | 2014-03-25 | Siemens Aktiengesellschaft | Lifting fitting |
CN102471039A (en) * | 2009-07-24 | 2012-05-23 | 西门子公司 | Lifting fitting |
CN105692421B (en) * | 2009-07-24 | 2020-06-16 | 西门子歌美飒可再生能源公司 | Lifting fitting |
CN101870053A (en) * | 2010-05-21 | 2010-10-27 | 天津赛瑞机器设备有限公司 | Lifting appliance for wind power equipment |
CN102275809A (en) * | 2011-07-07 | 2011-12-14 | 中国十七冶集团有限公司 | Special-purposed bidirectional regulation combined lifting appliance for lifting tower drum of wind driven generator |
CN102425530A (en) * | 2011-11-17 | 2012-04-25 | 中国十七冶集团有限公司 | Split high-altitude butt-joint installation method of offshore wind generating set |
CN102425530B (en) * | 2011-11-17 | 2013-08-28 | 中国十七冶集团有限公司 | Split high-altitude butt-joint installation method of offshore wind generating set |
CN102774740A (en) * | 2012-08-16 | 2012-11-14 | 招商局重工(深圳)有限公司 | Arc balancing beam |
CN103434920A (en) * | 2013-09-12 | 2013-12-11 | 中国海洋石油总公司 | Lifting point of plate-type traction shell flange |
CN103434922A (en) * | 2013-09-12 | 2013-12-11 | 中国海洋石油总公司 | Lifting point of all-rotation shell flange |
CN103434923A (en) * | 2013-09-12 | 2013-12-11 | 中国海洋石油总公司 | Lifting point of plate-type shell flange |
CN104609295A (en) * | 2015-01-29 | 2015-05-13 | 韩文强 | Sling for pipeline hoisting and using method thereof |
CN105540410A (en) * | 2015-12-29 | 2016-05-04 | 江苏金风科技有限公司 | Lifting device and method for wind turbine generator set |
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C14 | Grant of patent or utility model | ||
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Granted publication date: 20090708 |
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CX01 | Expiry of patent term |