WO2013086769A1 - 一种大型风力发电机叶片运输装置及其使用方法 - Google Patents

一种大型风力发电机叶片运输装置及其使用方法 Download PDF

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Publication number
WO2013086769A1
WO2013086769A1 PCT/CN2012/000528 CN2012000528W WO2013086769A1 WO 2013086769 A1 WO2013086769 A1 WO 2013086769A1 CN 2012000528 W CN2012000528 W CN 2012000528W WO 2013086769 A1 WO2013086769 A1 WO 2013086769A1
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WO
WIPO (PCT)
Prior art keywords
rotating
bracket
blade
lifting
hinged
Prior art date
Application number
PCT/CN2012/000528
Other languages
English (en)
French (fr)
Inventor
唐伟
许华
龙辛
王湘涛
郭迎福
刘厚才
黄筱军
Original Assignee
湘电风能有限公司
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Publication date
Application filed by 湘电风能有限公司 filed Critical 湘电风能有限公司
Publication of WO2013086769A1 publication Critical patent/WO2013086769A1/zh

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
    • B60P3/00—Vehicles adapted to transport, to carry or to comprise special loads or objects
    • B60P3/40—Vehicles adapted to transport, to carry or to comprise special loads or objects for carrying long loads, e.g. with separate wheeled load supporting elements
    • 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
    • F03D13/40—Arrangements or methods specially adapted for transporting wind motor components
    • 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

Definitions

  • the invention belongs to the technical field of mechanical equipment, and particularly relates to a large-scale wind turbine blade conveying device and a using method thereof.
  • the first object of the present invention is to provide a method for transporting large wind turbine blades in a complex area, to provide a method for lifting and rotating blades according to the terrain during transportation, and to cooperate with the rear wheel hydraulic steering to improve the avoidance.
  • the barrier capability, and the center of gravity of the blade is always around the axis of rotation to ensure a transport mechanism with a stable center of gravity.
  • a first object of the present invention is achieved by the following technical solution:
  • the large wind turbine blade transport device is mainly mounted on a semi-trailer of a transport vehicle, which includes a flange for fixing the blade;
  • the lifting frame, the lifting mechanism and the rotating device are hinged to the lifting mechanism, and the rotating device is connected with the lifting mechanism and drives the lifting mechanism to rotate horizontally at an angle.
  • the lifting mechanism includes a rotating bracket mounted on the semi-trailer and connected to the rotating device.
  • the two sliding rods are juxtaposed on two sides of the rotating bracket, and the sliding sleeve is slidably connected with the sliding sleeve.
  • the rotating bracket is provided with a positioning pin, and the sliding sleeve and the sliding rod are respectively provided with corresponding pin holes;
  • the lifting frame is a frame structure, and is hinged to the front ends of the two sliding sleeves near the front lower part of the front side of the front end The lower rear sides are hinged at the upper ends of the two guiding rods, and the lower ends of the two guiding rods are hinged on the rotating bracket;
  • the blade bracket is fixed under the lifting bracket; sliding on the sliding rod of the rotating bracket behind the sliding sleeve A slider is connected, the upper ends of the two support rods are hinged to both sides of the blade bracket, and the lower end of the support rod is hinged to both sides of the slider; one end of the drag cylinder juxtaposed with the slide rod and the sliding sleeve is hingedly rotated On the bracket, the other end is hinged to one end of the slider, and the slider and the sliding sleeve are driven to slide left and right on the sliding rod.
  • the rotating device comprises a rotating component fixed on the semi-trailer, the rotating component is simultaneously fixed with the rotating bracket, one end of the rotating cylinder is hinged to the semi-trailer vehicle plate, the other end is hinged with the rotating component, and the rotation is controlled
  • the component drives the rotating bracket to rotate horizontally at an angle;
  • the supporting wheel is mounted on the semi-trailer panel surface below the front end of the rotating bracket, and the latching device for positioning the rotating bracket is mounted on the semi-trailer panel surface below the rear end of the rotating bracket;
  • the hydraulic steering rear wheel set at the rear of the trailer can drive the rotating device to rotate horizontally at a certain angle.
  • the rotating member is a set of rotary bearings.
  • the lifting mechanism has a lifting angle of 0 to 45 degrees.
  • the front end of the lift frame is provided with a weight to adjust the center of gravity of the lift frame and the large blade always near the rotation axis of the rotating device.
  • a second object of the present invention is to provide a method for using the above-mentioned large-scale wind turbine blade transport device, which is: when the drag cylinder is compressed, the large blade is lifted, and the lift center of gravity moves according to the lift center of gravity trajectory In the range of the lifting angle of the lifting mechanism from 0 to 45 degrees, the lifting center of gravity trajectory is always near the axis of rotation, and the lifting frame and the blade bracket are contracted toward the rotation axis; The rotating bracket is rotated by the rotating device under the driving of the rotating cylinder, and the rotating cylinder controls the angle of the horizontal rotation of the rotating device, and the large blade is deflected to the left and right along the center of the semi-trailer; Move to maximize the avoidance of obstructions.
  • the device When the transportation device of the invention transports large wind turbine blades in a complex area, the device can lift and rotate the blades according to the terrain during transportation, and cooperate with the hydraulic steering rear wheel set of the vehicle plate to improve the obstacle avoidance capability and lift the blades.
  • the center of gravity trajectory always surrounds the axis of rotation to ensure that the center of gravity of the transport does not destabilize.
  • FIG. 1 is a schematic view showing the structure in which a blade is laid flat on a transport device in an embodiment of the present invention.
  • Fig. 2 is a schematic view showing the structure of the transport device in the lifted state in the embodiment of the present invention.
  • Figure 3 is an enlarged view of the direction A in Figure 2 .
  • Figure 4 is a schematic view showing the structure of the transport device in a lifted and rotated state in the embodiment of the present invention.
  • Figure 5 is an enlarged view of the portion K shown in Figure 4.
  • a transport device for a large-scale wind turbine blade is mounted on a semi-trailer 2 behind the front of the transport vehicle 1, which mainly includes a lift frame 3 of the blade 4, a lifting mechanism, and Rotating device 13.
  • the lifting mechanism comprises a rotating bracket 10 mounted on the semi-trailer 2 and connected to the rotating device 13, and the two sliding rods 22 are juxtaposed on both sides of the rotating bracket 10, and the sliding rod 22 is slidably coupled with sliding
  • the lifting frame 3 is a frame structure with a quadrangular shape on both sides, the blade 4 is fastened to the flange in the lifting frame 3 by bolts, and the blade bracket 5 is fixed to the lower side of the lifting frame 3 for Supporting the fixed ultra-long fan blade 4, the blade bracket 5 and the blade 4 can simultaneously perform lifting movement with the lifting frame 3.
  • the front ends of the two sliding sleeves 16 are hinged on both sides of the front lower portion of the lifting frame 3 near the gooseneck end of the vehicle, and the lower rear sides of the lifting frame 3 are hinged at the upper ends of the two guiding rods 17,
  • the lower ends of the two guiding rods 17 are hinged on the rotating bracket 10.
  • the rotating bracket 10 is provided with a positioning pin 18, and the sliding rod 22 and the sliding sleeve 16 are evenly distributed with corresponding pin holes; when the lifting frame 3 is lifted to In a certain position, the positioning pin 18 is pinned into the corresponding pin hole of the sliding sleeve 16 and the sliding rod 22.
  • a slider 9 is slidably coupled to the sliding bar 22 of the rotating bracket 10 located behind the sliding sleeve 16.
  • the upper ends of the two supporting rods 8 are hinged to the middle of the two side beams of the blade bracket 5, and the lower end of the supporting rod 8 is hinged to both sides of the slider 9. .
  • the front ends of the two drawing cylinders 14 juxtaposed with the slide bar 22 and the sliding sleeve 16 are hinged to the cross member of the rotating bracket 10, and the rear ends of the two pulling cylinders 14 are connected to the front ends of the slider 9.
  • the slider 9 When the drag cylinder 14 performs the telescopic stroke, the slider 9 is driven to slide, and the slider 9 drives the blade bracket 5 and the lifting frame 3 to lift and lower by the support rod 8 hinged thereto, and the lifting frame 3 hinged at the front end of the sliding sleeve 16 is again The combination mechanism of the sliding sleeve 16 and the sliding rod 22 is driven to perform a telescopic movement, so that the sliding sleeve 16 slides left and right on the sliding rod 22.
  • the piston rod of the drag cylinder 14 is contracted, the lift frame 3 is lifted, the lift frame 3 and the blade bracket 5 are simultaneously moved toward the rotation axis 7, and the chute 16 and the slider 9 are driven by the lift frame 3 to slide.
  • the rod 22 is simultaneously slidably slid in the direction of the axis of rotation 7.
  • the sleeve 16 can be positioned within the different locating pin holes of the slider 22 by the locating pin 18 in accordance with the stroke length of the drag cylinder 14.
  • the rotating device 13 includes a rotating member 21.
  • the rotating member 21 is composed of a set of rotating bearings, and the lower side thereof is fixedly coupled to the flat body of the semi-trailer 2, and the upper side and the rotating bracket 10 Fixedly connected together.
  • One end of the rotary cylinder 15 is hinged to the panel of the semi-trailer 2, and the other end is hinged to the rotary member 21.
  • the carrier 19 is embedded in the panel of the semi-trailer 2, and a latching device 11 is mounted on the panel surface of the semi-trailer 2 below the rear end of the rotating bracket 10.
  • the rotary cylinder 15 can control the rotary bearing to rotate at a certain rotation angle, and the entire rotary bracket 10 is pivoted by a rotary bearing. After turning to the desired angle, the angle can be fixed by the latching device 11. During the rotation of the entire rotating bracket 10 to the left and right, the idler 19 provided on the surface of the semi-trailer 2 can effectively function as a pulley.
  • the hydraulic steering rear wheel set 12 at the rear of the semi-trailer 2 can drive the rotating device 13 to rotate horizontally at an angle.
  • a weight 20 is further disposed at the front end of the lift frame 3, that is, the non-installation side of the blade.
  • the center of gravity G can be adjusted to the lift center S, so that the lift center S is at Near the axis of rotation 7.
  • the weight 20 can be fitted with different types of blades 4.
  • the pin hole in the sleeve 16 is aligned with the pin hole on the slide bar 22 and pinned into the positioning pin 18, so that the lift frame 3 and the blade bracket 5 are fixed at a desired angle.
  • the positioning pin 18 When the blade 4 is lifted up, the positioning pin 18 is pinned, and the horizontal rotation of the rotary bearing 15 and the rotary bearing of the rotating device 13 causes the rotary bracket 10 to rotate horizontally on the idler 19, and the rotary cylinder 15 controls the rotary bracket.
  • the angle of rotation of 10 after being rotated to the desired angle, the latching device 11 will fix the entire swivel bracket 10 at the desired angle.
  • the lift center of gravity S will move according to the lift center of gravity trajectory 6, and the lift angle of the blade 4 is in the range of 0 to 45 degrees, and the lift center of gravity track 6 It is substantially in the vicinity of the axis of rotation 7 while remaining within the range of the rotating device 13.
  • the lift frame 3 is contracted toward the center of the rotation axis 7, and the radius of rotation of the transport device can be shortened.
  • the rotating oil The cylinder 15 controls the blades 4 to be deflected left and right along the center of the semi-trailer to ensure the stability and transit of transportation.
  • the rotating member 21 in the rotating device 13 in the embodiment may be a rotating device such as a rotary bearing, a rotary cylinder, a gear, or the like, or may be a rotatable hinge structure.
  • other embodiments are within the scope of the present invention as long as they are substantially the same as the embodiments of the present invention.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sustainable Development (AREA)
  • Transportation (AREA)
  • Public Health (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Handcart (AREA)
  • Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
  • Wind Motors (AREA)

Abstract

一种大型风力发电机叶片运输装置，安装于运输车的半挂车（2）上。该运输装置包括用于固定叶片（4）的法兰，叶片的举升架（3）、举升机构以及旋转装置（13）。举升架（3）与举升机构交接，旋转装置（13）与举升机构连接并带动举升机构按一定角度水平旋转。还公开了一种大型风力发电机叶片运输装置的使用方法。该方法包括在0-45度范围内通过拖拉油缸（14）举升叶片（4），举升重心轨迹大致处于旋转轴线（7）的附近。在举升重心始终保持在旋转装置（13）基座范围内的条件下，通过旋转油缸（15）控制叶片（4）转向，从而可在运输超长叶片时有效避让障碍物。

Description

一种大型风力发电机叶片运输装置及其使用方法 技术领域
本发明属于机械设备技术领域， 具体涉及一种大型风力发电机叶片运输 装置及其使用方法。
背景技术
随着地形复杂的山区风场的开发利用， 大型风力发电机超长叶片越来越 长。 装载叶片平置于车上运输时， 由于车板轴距大， 叶片超出车板长， 转弯 时叶片尾部容易受到山壁、 建筑物、 电杆、 树木等物的阻碍， 在复杂地区运 输时带来极大的困难， 道路改造的解决方案费用耗资巨大， 可行性不大， 因 此急需一种兼有良好的通行性和稳定性的运输装置， 以解决复杂地区超长物 件的避障运输难题。
发明内容
本发明的第一个目的在于针对目前在复杂地区运输大型风力发电机叶片 存在的上述问题， 提供一种可在运输途中根据地形举升和旋转叶片， 配合车 板后轮液压转向， 以提高避障能力， 并使叶片的重心轨迹始终围绕旋转轴线 附近， 以确保运输重心稳定的运输装置。
本发明的第一个目的是通过如下的技术方案来实现的： 该大型风力发电 机叶片运输装置， 主要安装于运输车的半挂车上， 它包括用于固定叶片的法 兰； 它还包括叶片的举升架、 举升机构以及旋转装置， 所述举升架与举升机 构铰接， 旋转装置与举升机构连接并带动举升机构按一定角度水平旋转。
具体地说， 所述举升机构包括一个安装于半挂车上并与旋转装置连接的 旋转支架， 两根滑杆并列固装于旋转支架上的两边， 滑杆上滑动连接有滑套， 旋转支架上设有定位销， 滑套和滑杆上均布有相对应的若干销孔； 所述举升 架是一个框架结构， 其靠近车头的前面下部两侧与两个滑套的前端铰接， 其 后面下部两侧铰接在两根导向杆的上端， 两根导向杆的下端铰接在旋转支架 上； 举升架的下方固连有叶片支架； 在滑套后面的旋转支架的滑杆上滑动连 接有一个滑块， 两根支撑杆的上端与所述叶片支架的两侧铰接， 支撑杆的下 端与滑块的两边铰接； 与所述滑杆、 滑套并列的拖拉油缸的一端铰接于旋转 支架上， 另一端与滑块的一端铰接， 并带动滑块及滑套在滑杆上左右滑动， 当举升架举升到所需位置时， 所述定位销销入滑套和滑杆相应的销孔内定位。
所述所述旋转装置包括一个固装于半挂车上的旋转部件， 旋转部件同时 与旋转支架固连， 旋转油缸的一端铰接于半挂车车板上， 另一端与旋转部件 铰接， 并可控制旋转部件带动旋转支架按一定角度水平旋转； 托轮安装于旋 转支架前端下面的半挂车车板面上， 旋转支架后端下面的半挂车车板面上则 安装有用于旋转支架定位的插销装置； 半挂车后部的液压转向后轮组可带动 旋转装置按一定角度水平旋转。
更具体地说， 所述旋转部件是一组旋转轴承。
所述举升机构的举升角度为 0~45度。
所述举升架的前端设置有配重块， 以调整举升架及大型叶片的重心始终 位于旋转装置的旋转轴线附近。
本发明的第二个目的在于提供上述大型风力发电机叶片运输装置的使用 方法， 该方法是： 当拖拉油缸被压缩时， 大型叶片就会被举升， 举升重心会 按照举升重心轨迹运动， 在举升机构的举升角度 0~45度范围内， 举升重心轨 迹始终处于旋转轴线附近， 同时举升架、 叶片支架向旋转轴线处收縮； 然后 旋转支架由旋转装置在旋转油缸的带动下， 进行水平旋转运动， 旋转油缸控 制旋转装置水平旋转的角度， 大型叶片则沿半挂车中心左右偏转； 配合车板 液压转向后轮组带动旋转装置进行水平移动， 可最大程度地避让阻碍物。
本发明的运输装置在复杂地区运输大型风力发电机叶片时， 该装置可在 运输途中根据地形举升和旋转叶片， 配合车板液压转向后轮组， 提高避障能 力， 并使叶片的举升重心轨迹始终围绕旋转轴线附近， 以确保运输重心不失 稳。
附图说明
图 1是本发明实施例中， 叶片平放于运输装置上的结构示意图。
图 2是本发明实施例中， 运输装置处于举升状态时的结构示意图。
图 3是图 2中的 A向放大视图。
图 4是本发明实施例中， 运输装置处于举升及旋转状态时的结构示意图。 图 5是图 4中所示 K部放大视图。
具体实施方式
参见图 1、 图 2， 本发明实施例中的大型风力发电机叶片的运输装置， 安 装于运输车车头 1后面的半挂车 2上， 它主要包括叶片 4的举升架 3、举升机 构以及旋转装置 13。
从图中可见， 举升机构包括安装于半挂车 2上并与旋转装置 13连接的旋 转支架 10， 两根滑杆 22并列固装于旋转支架 10上的两边， 滑杆 22上滑动连 接有滑套 16; 举升架 3是一个两侧为四边形的框架结构， 叶片 4通过螺栓紧 固在举升架 3中的法兰上， 举升架 3的下方还固连有叶片支架 5， 用于支撑固 定超长风机叶片 4， 叶片支架 5及叶片 4可随举升架 3同时进行升降运动。从 图中还可见， 在举升架 3的靠近车板鹅颈端的前面下部两侧与两个滑套 16的 前端铰接， 举升架 3的后面下部两侧铰接在两根导向杆 17的上端， 两根导向 杆 17的下端铰接在旋转支架 10上， 旋转支架 10上设有定位销 18， 滑杆 22 和滑套 16上均布有相对应的若干销孔； 当举升架 3举升到一定位置时， 定位 销 18销入滑套 16和滑杆 22相应的销孔内定位。 位于滑套 16后面的旋转支 架 10的滑杆 22上滑动连接有滑块 9，两根支撑杆 8的上端与叶片支架 5的两 边横梁中部铰接， 支撑杆 8的下端与滑块 9的两边铰接。 与滑杆 22、 滑套 16 并列的两个拖拉油缸 14的前端铰接于旋转支架 10的横梁上， 两个拖拉油缸 14的后端与滑块 9的前端两边连接。在拖拉油缸 14进行伸縮冲程时， 带动滑 块 9滑动， 滑块 9通过与其铰接的支撑杆 8带动叶片支架 5及举升架 3进行 升降运动， 铰接在滑套 16前端的举升架 3又会带动滑套 16和滑杆 22的组合 机构进行伸缩运动， 使滑套 16在滑杆 22上左右滑动。 当拖拉油缸 14的活塞 杆收缩冲程时， 举升架 3被举升， 举升架 3及叶片支架 5同时向旋转轴线 7 处移动， 通过举升架 3带动滑槽 16和滑块 9在滑杆 22上向旋转轴线 7方向 同时作收缩滑动。 滑套 16可按照拖拉油缸 14所走的冲程长度通过定位销 18 来定位在滑杆 22不同的定位销孔内。
参见图 4、 图 5， 旋转装置 13包括旋转部件 21， 本实施例中， 旋转部件 21 由一组旋转轴承组成， 其下侧固定连接在半挂车 2的平板车斗上， 上侧与 旋转支架 10固定连接在一起。 旋转油缸 15的一端铰接于半挂车 2的车板上， 另一端与旋转部件 21铰接。 托轮 19嵌入在半挂车 2的车板内， 旋转支架 10 后端下面的半挂车 2的车板面上则安装有插销装置 11。旋转油缸 15可控制旋 转轴承按照一定的旋转角度进行旋转， 在整个旋转支架 10以旋转轴承为轴旋 转到所需的角度后可由插销装置 11进行角度固定， 在整个旋转支架 10进行 左右旋转的过程中， 设置在半挂车 2表面上的托轮 19可有效的起到滑轮的作 用。 半挂车 2后部的液压转向后轮组 12可带动旋转装置 13按一定角度水平 旋转。
参见图 3， 在举升架 3的前端即叶片非安装侧还设置有配重块 20， 当叶 片 4被举升时可将其重心 G调节到举升重心 S处， 使举升重心 S处于旋转轴 线 7附近。 该配重块 20可与不同型号的叶片 4配装。
当拖拉油缸 14收縮时， 滑块 9沿旋转支架 10上的滑杆 22向旋转轴线 7 靠近， 滑套 16和滑块 9进行收缩运动， 铰接在滑套 16上的举升架 3向旋转 轴线 7运动， 与此同时， 与举升架 3铰接的导向杆 17和与叶片支架 5铰接的 支撑杆 8亦被抬升。 在此过程中， 叶片支架 5和举升架 3均被抬升， 即叶片 4 被抬升。 当叶片 4被抬升至合适的角度后， 滑套 16上的销孔与滑杆 22上的 销孔对位并销入定位销 18， 使举升架 3和叶片支架 5固定在所需要的角度。
当叶片 4被举升后， 定位销 18销止， 通过旋转油缸 15及旋转装置 13的 旋转轴承左右的水平旋转， 带动旋转支架 10在托轮 19上进行水平旋转， 旋 转油缸 15将控制旋转支架 10的旋转角度， 待旋转到需要的角度后， 插销装 置 11会将整个旋转支架 10固定在需要的角度。
参见图 1、 图 2、 图 4， 当叶片 4被举升时， 举升重心 S会按照举升重心 轨迹 6运动， 叶片 4的举升角度在 0~45度范围内， 举升重心轨迹 6大致处于 旋转轴线 7的附近， 并同时保持在旋转装置 13的范围内。 在举升叶片 4的同 时， 举升架 3向旋转轴线 7中心收缩， 可缩短运输装置的旋转半径。 在举升 重心 S始终保持在旋转装置 13基座范围内的条件下， 由旋转装置 13、 旋转油 缸 15控制叶片 4沿半挂车中心左右偏转， 确保运输的稳定性和通过性。 本发明不仅仅局限于上述实施方式， 其中实施例中的旋转装置 13中的旋 转部件 21可以为旋转轴承、 旋转油缸、 齿轮等回转装置， 也可以是可旋转的 铰接结构。 总之， 其他实施方式只要与本发明实施方式实质相同均落在本发 明的保护范围之内。

Claims

权 利 要 求 书
1、 一种大型风力发电机叶片运输装置， 主要安装于运输车的半挂车上， 它包括用于固定叶片的法兰， 其特征在于； 它还包括叶片的举升架、 举升机 构以及旋转装置， 所述举升架与举升机构铰接， 旋转装置与举升机构连接并 带动举升机构按一定角度水平旋转。
2、 根据权利要求 1所述的大型风力发电机叶片运输装置， 其特征在于： 所述举升机构包括一个安装于半挂车上并与旋转装置连接的旋转支架， 两根 滑杆并列固装于旋转支架上的两边， 滑杆上滑动连接有滑套， 旋转支架上设 有定位销， 滑套和滑杆上均布有相对应的若干销孔； 所述举升架是一个框架 结构， 其靠近车头的前面下部两侧与两个滑套的前端铰接， 其后面下部两侧 铰接在两根导向杆的上端， 两根导向杆的下端铰接在旋转支架上； 举升架的 下方固连有叶片支架； 在滑套后面的旋转支架的滑杆上滑动连接有一个滑块， 两根支撑杆的上端与所述叶片支架的两侧铰接， 支撑杆的下端与滑块的两边 铰接； 与所述滑杆、 滑套并列的拖拉油缸的一端铰接于旋转支架上， 另一端 与滑块的一端铰接， 并带动滑块及滑套在滑杆上左右滑动， 当举升架举升到 所需位置时， 所述定位销销入滑套和滑杆相应的销孔内定位。
3、 根据权利要求 1或 2所述的大型风力发电机叶片运输装置， 其特征在 于： 所述旋转装置包括一个固装于半挂车上的旋转部件， 旋转部件同时与旋 转支架固连， 旋转油缸的一端铰接于半挂车车板上， 另一端与旋转部件铰接， 并可控制旋转部件带动旋转支架按一定角度水平旋转； 托轮安装于旋转支架 前端下面的半挂车车板面上， 旋转支架后端下面的半挂车车板面上则安装有 用于旋转支架定位的插销装置； 半挂车后部的液压转向后轮组可带动旋转装 置按一定角度水平旋转。
4、 根据权利要求 3所述的大型风力发电机叶片运输装置， 其特征在于： 所述旋转部件是一组旋转轴承。
5、 根据权利要求 4所述的大型风力发电机叶片运输装置， 其特征在于： 所述举升机构的举升角度为 0〜45度。
6、 根据权利要求 5所述的大型风力发电机叶片运输装置， 其特征在于： 所述举升架的前端设置有配重块， 以调整举升架及大型叶片的重心始终位于 旋转装置的旋转轴线附近。
7、 一种如权利要求 1所述的大型风力发电机叶片运输装置的使用方法， 其特征在于： 当拖拉油缸被压缩时， 大型叶片就会被举升， 举升重心会按照 举升重心轨迹运动， 在举升机构的举升角度 0~45度范围内， 举升重心轨迹始 终处于旋转轴线附近， 同时举升架、 叶片支架向旋转轴线处收縮； 然后旋转 支架由旋转装置在旋转油缸的带动下， 进行水平旋转运动， 旋转油缸控制旋 转装置水平旋转的角度， 大型叶片则沿半挂车中心左右偏转； 配合车板液压 转向后轮组带动旋转装置进行水平移动， 可最大程度地避让阻碍物。
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