CN115849245A - Wind power blade lifting device - Google Patents
Wind power blade lifting device Download PDFInfo
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- CN115849245A CN115849245A CN202211496968.9A CN202211496968A CN115849245A CN 115849245 A CN115849245 A CN 115849245A CN 202211496968 A CN202211496968 A CN 202211496968A CN 115849245 A CN115849245 A CN 115849245A
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Abstract
The invention provides a wind power blade lifting device which comprises a rack, wherein a lifting frame lifting relative to the rack is arranged on the rack, a supporting frame for supporting the blade tip part of a wind power blade is hinged to the lifting frame through a hinged shaft, the supporting frame is attached to the outer surface of the blade tip part of the wind power blade, and the shaft core direction of the hinged shaft is located in the horizontal direction and perpendicular to the length direction of the wind power blade. The lifting device is integrally placed below the tip part of the wind power blade, then the lifting frame is started to enable the lifting frame to ascend, the supporting frame is attached to the wind power blade and then continuously ascends, and the tip part of the wind power blade is lifted up to generate certain inclination. Because the supporting frame is attached to the wind power blade, and the supporting frame is hinged to the lifting frame, the wind power blade can be driven to incline when inclined, so that the supporting frame is always attached to the wind power blade, and the wind power blade is prevented from being damaged by stress concentration caused by inclination and tilting of the wind power blade relative to the supporting frame to form linear contact.
Description
Technical Field
The invention relates to the technical field of wind power blades, in particular to a wind power blade lifting device.
Background
Along with the updating iteration of the wind power blade industry, the blade model is longer and longer, the weight of the blade is heavier and heavier, the blade usually exists in a storage yard, a plurality of storage tools such as wooden frames are placed in the storage yard to support the blade to prevent the blade from contacting with the ground, the storage tools possibly decay and damage in the process, the storage tools below the blade need to be replaced correspondingly, the blade is very heavy, a forklift is generally needed to lift the blade, and the safety risk of damaging the blade and tilting the forklift exists in the lifting process of the forklift. In addition, a crane can be used for lifting and lifting the blades, however, the crane lifting cost is high, the operation time is short, the safety risk is high, and the efficiency is low.
Chinese patent CN114607567A discloses a wind turbine generator impeller assembling tool, and its scheme is: the blade lifting device comprises a first bottom plate which is horizontally and fixedly arranged, wherein two parallel track grooves are formed in the first bottom plate, a second bottom plate is connected in the track grooves in a sliding mode, the top of the second bottom plate is connected with a rotating part, the top of the rotating part is fixedly connected with a third bottom plate, a track is arranged on the third bottom plate, a bearing part with adjustable height is arranged on the track in a sliding mode, a lifting support for lifting blades is arranged at the top of the bearing part, and the lifting support is matched with the blade lifting position in shape; the vertical projection of the initial position of the track is vertical to the vertical projection of the track groove. However, it is a device of whole lift wind-powered electricity generation blade, to the blade of depositing on the yard its below do not have enough space to use the device to be used for whole lift wind-powered electricity generation blade, generally speaking because the radian and the structural strength reason of blade, the leaf point end of wind-powered electricity generation blade is the suspension during stacking, its below has great space and can lift, lift the apex back wind-powered electricity generation blade and can incline the perk just can change the frock of depositing of wind-powered electricity generation blade below, however use this scheme only lift the apex of wind-powered electricity generation blade because the slope of wind-powered electricity generation blade, this equipment frock just can have original and wind-powered electricity generation blade face contact become with wind-powered electricity generation blade line contact, thereby cause stress concentration to damage wind-powered electricity generation blade.
Disclosure of Invention
The invention aims to provide a wind power blade lifting device which can lift the blade tip part of a wind power blade when a storage tool below the wind power blade is replaced, and the wind power blade lifting device is always in surface contact with the blade tip part of the wind power blade during lifting.
In order to realize the technical purpose, the invention adopts the following technical scheme:
the utility model provides a wind-powered electricity generation blade lifting device, includes the frame, be provided with the crane that relative frame goes up and down in the frame, it has the brace frame that is used for propping wind-powered electricity generation blade leaf point portion to articulate through the articulated shaft on the crane, brace frame and the surface laminating of wind-powered electricity generation blade leaf point portion, the axle core direction of articulated shaft is located the length direction of horizontal direction and perpendicular to wind-powered electricity generation blade.
In the above-mentioned scheme, when the frock of depositing of wind-powered electricity generation blade below needs to be changed, because radian and the structural strength reason of blade, the leaf tip of wind-powered electricity generation blade is suspended during stacking, its below has great space and can lift, place the device totality in wind-powered electricity generation blade's apex position below earlier, then start the crane and make it rise, hold in the palm support frame and wind-powered electricity generation blade laminating, then continuously rise, wind-powered electricity generation blade's apex position lifts up and produces certain slope this moment, wind-powered electricity generation blade breaks away from rather than the frock of depositing of below this moment, just so can change and deposit the frock. Because the supporting frame is attached to the wind power blade, and the supporting frame is hinged to the lifting frame, the wind power blade can be driven to incline when inclined, so that the supporting frame is always attached to the wind power blade, and the wind power blade is prevented from being damaged by stress concentration caused by inclination and tilting of the wind power blade relative to the supporting frame to form linear contact.
Preferably, the lifting frame comprises two vertical frames which are mirror images and are vertically arranged, the supporting frame is arranged between the two vertical frames and comprises two vertical frames which are mirror images and are vertically arranged, the two vertical frames are respectively hinged with the two vertical frames through hinge shafts, and the two hinge shafts are concentrically arranged.
Preferably, canvas for supporting the blade tip part of the wind power blade is connected between the upper ends of the two vertical frames, the canvas is loosely suspended between the two vertical frames, and the lowest point of the canvas is suspended.
Preferably, the lower ends of the two vertical frames are fixedly connected with the same transverse frame, a V-shaped supporting block is fixedly arranged between the two vertical frames, the lower end of the V-shaped supporting block is fixedly connected with the transverse frame, the opening of the V-shaped supporting block faces upwards, and the opening cavity of the V-shaped supporting block is used for supporting and adhering to the outer surface of the blade tip portion of the wind power blade.
Preferably, the two vertical frames and the two vertical frames are arranged at intervals, and the vertical frames are connected on the hinge shaft in a sliding mode along the axis direction.
Preferably, two of the hinging shafts are respectively sleeved with a pressure spring, and two ends of the pressure spring are respectively abutted against the vertical frame and the vertical frame.
Preferably, the upper end of the opening cavity of the V-shaped supporting block and the upper end of the V-shaped supporting block are in round-angle transition.
Preferably, the rack is a rectangular frame, a plurality of universal wheels are arranged below the rectangular frame, and vertical handrails for pushing and pulling are fixedly arranged above two ends of the rack in the length direction.
Preferably, a plurality of hydraulic cylinders are vertically and fixedly arranged on the rack, hydraulic rods of the hydraulic cylinders face downwards, and supporting legs for supporting the ground are arranged at the lower ends of the hydraulic rods.
Preferably, the lifting frame comprises a hydraulic unit driving the lifting frame to move, and a hydraulic station used for supplying oil to the hydraulic unit and a hydraulic cylinder is arranged above one end of the machine frame in the length direction.
Drawings
FIG. 1 is a schematic structural diagram according to a first embodiment of the present invention;
FIG. 2 is a schematic partial structure diagram according to a second embodiment of the present invention;
description of reference numerals: 10. a frame; 11. a universal wheel; 12. a vertical armrest; 13. a hydraulic cylinder; 14. a support leg; 15. a hydraulic station; 20. a lifting frame; 21. erecting; 30. a supporting frame; 31. a vertical frame; 32. canvas; 33. a transverse frame; 34. a shape supporting block; 35. an open cavity; 40. hinging a shaft; 41. and (5) pressing a spring.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
In the description of the present invention, it should be noted that the terms "bottom", "outside", "front-back", "up-down" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in a use state, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or the element to be referred to must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the term "connected" is to be interpreted broadly, e.g. as a fixed connection, a detachable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The utility model provides a wind-powered electricity generation blade lifting device, includes frame 10, be provided with the crane 20 of relative frame 10 lift in the frame 10, it has the support frame 30 that is used for propping wind-powered electricity generation blade leaf point portion to articulate through articulated shaft 40 on the crane 20, support frame 30 and the surface laminating of wind-powered electricity generation blade leaf point portion, the axle core direction of articulated shaft 40 is located the length direction of horizontal direction and perpendicular to wind-powered electricity generation blade.
In the above-mentioned scheme, when the frock of depositing of wind-powered electricity generation blade below needs to be changed, because radian and the structural strength reason of blade, the leaf point end of wind-powered electricity generation blade is the suspension during stack, its below has great space and can lift, place the apex position below of wind-powered electricity generation blade with lifting device totality earlier, then start crane 20 and make it rise, the laminating of bracket 30 and wind-powered electricity generation blade, then continuously rise, the apex position of wind-powered electricity generation blade lifts up and produces certain slope this moment, wind-powered electricity generation blade breaks away from rather than the frock of depositing of below this moment, just so can change and deposit the frock. Because the supporting frame 30 is attached to the wind power blade, and the supporting frame 30 is hinged to the lifting frame 20, the wind power blade can be driven to incline when inclined, so that the supporting frame 30 is always attached to the wind power blade, and the wind power blade is prevented from being damaged by stress concentration caused by line contact due to inclined and tilted supporting frame 30 relative to the wind power blade.
The lifting frame 20 further comprises two vertical frames 21 which are mirror images and are vertically arranged, the support frame 30 is arranged between the two vertical frames 21, the support frame 30 comprises two vertical frames 31 which are mirror images and are vertically arranged, the two vertical frames 31 are respectively hinged with the two vertical frames 21 through hinge shafts 40, and the two hinge shafts 40 are concentrically arranged. Make the structure atress more even through two point hinged in the above-mentioned scheme, avoid wind-powered electricity generation blade crushing or bending slope articulated shaft 40 to cause wind-powered electricity generation blade landing.
In the first embodiment, as shown in fig. 1, a canvas 32 for supporting the tip portion of the wind turbine blade is connected between the upper ends of the two vertical frames 31, the canvas 32 is loosely suspended between the two vertical frames 31, and the lowest point of the canvas 32 is suspended. Because the arbitrary shape of can laminating of canvas 32 just enables the wind-powered electricity generation blade of the arbitrary shape of the device adaptation like this, canvas 32 can also promote the area of contact with wind-powered electricity generation blade like this and can effectively reduce pressure simultaneously.
In the second embodiment, as shown in fig. 2, the lower ends of the two vertical frames 31 are fixedly connected with the same cross frame 33, a V-shaped supporting block 34 is fixedly arranged between the two vertical frames 31, the lower end of the V-shaped supporting block 34 is fixedly connected with the cross frame 33, the opening of the V-shaped supporting block 34 faces upward, and the opening cavity 35 of the V-shaped supporting block 34 is used for supporting and adhering to the outer surface of the blade tip portion of the wind turbine blade. V-arrangement tray 34 can effectively carry out certain spacing to wind-powered electricity generation blade, prevents to lift the in-process wind-powered electricity generation blade and rolls, and V-arrangement tray 34 can be metal construction simultaneously, increases its structural strength and is convenient for lift large-scale wind-powered electricity generation blade. The opening cavity 35 of the V-shaped supporting block 34 can be paved with buffer materials such as rubber.
Further, the two vertical frames 31 and the two vertical frames 21 are arranged at intervals, and the vertical frames 31 are slidably connected on the hinge shaft 40 along the axial direction. Therefore, the supporting frame 30 can slide left and right along the hinge shaft 40, and when the lifting device is staggered left and right, the supporting frame 30 can extrude the wind power blades to slide in a self-adaptive mode, so that the wind power blades are prevented from being deviated left and right due to the staggered lifting device.
Further, two of the hinge shafts 40 are respectively sleeved with a compression spring 41, and two ends of the compression spring 41 respectively abut against the vertical frame 21 and the vertical frame 31. Thus, the lifting device can be reset by the compression spring 41 after sliding.
Further, the upper end of the open cavity 35 of the V-shaped holding block 34 and the upper end of the V-shaped holding block 34 are in round transition. Avoid wind-powered electricity generation blade direct striking on the plane, cause the damage, can follow the fillet and slide in opening chamber 35 when wind-powered electricity generation blade and fillet contact.
The multifunctional trolley is characterized in that the rack 10 is a rectangular frame, a plurality of universal wheels 11 are arranged below the rectangular frame, and vertical handrails 12 for pushing and pulling are fixedly arranged above two ends of the rack 10 in the length direction. This facilitates the movement of the lifting device.
Further, a plurality of hydraulic cylinders 13 are vertically and fixedly arranged on the frame 10, hydraulic rods of the hydraulic cylinders 13 face downward, and support legs 14 for supporting the ground are arranged at the lower ends of the hydraulic rods. When the lifting device works, the supporting legs 14 can be firstly lowered to be in contact with the ground, and the universal wheels 11 are prevented from being stressed in the lifting process.
The lifting frame 20 further comprises a hydraulic unit driving the lifting frame to move, and a hydraulic station 15 for supplying oil to the hydraulic unit and the hydraulic cylinder 13 is arranged above one end of the machine frame 10 in the length direction. The lifting structure in the application can also be a linear driving mechanism such as a screw nut structure or a pneumatic cylinder.
Although the present disclosure has been described above, the scope of the present disclosure is not limited thereto. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present disclosure, and such changes and modifications will fall within the scope of the present invention.
Claims (10)
1. The utility model provides a wind-powered electricity generation blade lifting device which characterized in that: including frame (10), be provided with crane (20) that relative frame (10) goes up and down on frame (10), it has support frame (30) that are used for the support to prop wind-powered electricity generation blade leaf point portion to articulate through articulated shaft (40) on crane (20), support frame (30) and the surface laminating of wind-powered electricity generation blade leaf point portion, the axle core direction of articulated shaft (40) is located the length direction of horizontal direction and perpendicular to wind-powered electricity generation blade.
2. The wind blade lifting device of claim 1, wherein: the crane (20) comprises two mirror images and vertically arranged vertical frames (21), the support frame (30) is arranged between the two vertical frames (21), the support frame (30) comprises two mirror images and vertically arranged vertical frames (31), the two vertical frames (31) are respectively hinged with the two vertical frames (21) through hinged shafts (40), and the hinged shafts (40) are concentrically arranged.
3. The wind blade lifting device of claim 2, wherein: two be connected with canvas (32) that are used for the support wind-powered electricity generation blade tip portion between the upper end of vertical frame (31), canvas (32) are two loose suspension is arranged between vertical frame (31), the minimum of canvas (32) is unsettled.
4. The wind blade lifting device of claim 2, wherein: two the lower extreme and same crossbearer (33) fixed connection of vertical frame (31), two fixed V-arrangement tray (34) that is provided with between vertical frame (31), the lower extreme of V-arrangement tray (34) with crossbearer (33) fixed connection, the opening of V-arrangement tray (34) up, opening chamber (35) of V-arrangement tray (34) are used for the outer surface of the support laminating wind-powered electricity generation blade leaf point portion.
5. The wind blade lifting device of claim 4, wherein: two vertical frame (31) and two vertical frame (21) are all arranged at interval, vertical frame (31) are along axle center direction sliding connection on articulated shaft (40).
6. The wind blade lifting device of claim 5, wherein: two all overlap on articulated shaft (40) and be equipped with pressure spring (41), the both ends of pressure spring (41) support respectively and lean on vertical frame (21) and vertical frame (31).
7. The wind blade lifting device of claim 6, wherein: the upper end of the opening cavity (35) of the V-shaped supporting block (34) is in round angle transition with the upper end of the V-shaped supporting block (34).
8. A wind blade lifting device according to claim 1 or 2 or 3 or 4 or 5 or 6 or 7, characterized in that: the frame (10) is a rectangular frame, a plurality of universal wheels (11) are arranged below the rectangular frame, and vertical handrails (12) for pushing and pulling are fixedly arranged above two ends of the frame (10) in the length direction.
9. The wind blade lifting device of claim 8, wherein: a plurality of hydraulic cylinders (13) are vertically and fixedly arranged on the rack (10), hydraulic rods of the hydraulic cylinders (13) face downwards, and supporting legs (14) used for supporting the ground are arranged at the lower ends of the hydraulic rods.
10. The wind blade lifting device of claim 9, wherein: the lifting frame (20) comprises a hydraulic unit driving the lifting frame to move, and a hydraulic station (15) used for supplying oil to the hydraulic unit and a hydraulic cylinder (13) is arranged above one end of the machine frame (10) in the length direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211496968.9A CN115849245A (en) | 2022-11-25 | 2022-11-25 | Wind power blade lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211496968.9A CN115849245A (en) | 2022-11-25 | 2022-11-25 | Wind power blade lifting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115849245A true CN115849245A (en) | 2023-03-28 |
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ID=85666930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211496968.9A Pending CN115849245A (en) | 2022-11-25 | 2022-11-25 | Wind power blade lifting device |
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| Country | Link |
|---|---|
| CN (1) | CN115849245A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116621077B (en) * | 2023-07-26 | 2023-10-10 | 连云港双菱风电设备科技有限公司 | Wind-powered electricity generation blade lifts device |
-
2022
- 2022-11-25 CN CN202211496968.9A patent/CN115849245A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116621077B (en) * | 2023-07-26 | 2023-10-10 | 连云港双菱风电设备科技有限公司 | Wind-powered electricity generation blade lifts device |
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