CN111942737A - Anti-deformation tool and anti-deformation method for root of fan blade - Google Patents
Anti-deformation tool and anti-deformation method for root of fan blade Download PDFInfo
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- CN111942737A CN111942737A CN202010798258.6A CN202010798258A CN111942737A CN 111942737 A CN111942737 A CN 111942737A CN 202010798258 A CN202010798258 A CN 202010798258A CN 111942737 A CN111942737 A CN 111942737A
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- Prior art keywords
- fan blade
- root
- supporting
- bolt
- blade root
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D61/00—External frames or supports adapted to be assembled around, or applied to, articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
- B65D85/68—Containers, packaging elements or packages, specially adapted for particular articles or materials for machines, engines or vehicles in assembled or dismantled form
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D2585/00—Containers, packaging elements or packages specially adapted for particular articles or materials
- B65D2585/68—Containers, packaging elements or packages specially adapted for particular articles or materials for machines, engines, or vehicles in assembled or dismantled form
- B65D2585/6802—Containers, packaging elements or packages specially adapted for particular articles or materials for machines, engines, or vehicles in assembled or dismantled form specific machines, engines or vehicles
- B65D2585/6897—Containers, packaging elements or packages specially adapted for particular articles or materials for machines, engines, or vehicles in assembled or dismantled form specific machines, engines or vehicles others
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model provides a fan blade root preapre for an unfavorable turn of events shape frock, this frock is including being used for carrying out the major structure that supports to fan blade root and being used for the affiliated locating stud that major structure and fan blade root are connected, major structure includes well core plate and 2 at least installation arms that set up along well core plate circumference, the equal fixed mounting of one end of every installation arm is on well core plate, the equal fixed mounting of the other end of every installation arm has adjusting nut, all connect adjusting bolt soon on every adjusting nut, equal fixed mounting has the supporting legs with fan blade root complex on every adjusting bolt, be provided with a plurality ofly on the supporting legs with affiliated locating stud complex support through-hole. The tool is simple and compact in structure, can effectively prevent the deformation of the root of the blade, guarantees the circumferential degree of the root of the blade, and enables the thicknesses of the two sides of the bolt hole of the root of the blade to meet the design requirement.
Description
Technical Field
The invention relates to the technical field of wind energy blade manufacturing, in particular to a deformation preventing tool for the root of a fan blade and a deformation preventing method of the deformation preventing tool for the root of the fan blade.
Background
With the continuous deep understanding of the environmental problems of various countries in the world and the continuous improvement of the comprehensive utilization technology of renewable energy sources, the global wind power generation industry develops rapidly in recent years. Wind power is one of the fastest renewable energy sources developed at the present stage, the ratio of the wind power to the electricity generation structure in the world is increased year by year, and the wind power generation system has a wide development prospect. The global wind power accumulation installed capacity will keep steadily increasing at a rate of about 10% per year in the future and reaches 817.00GW in 2021; in addition, the newly increased installed wind power capacity in the world will continue to steadily increase in the future, and the newly increased installed wind power capacity can reach more than 60GW every year.
The fan blade is used as a key part for capturing wind energy of a wind turbine generator and is mainly prepared from reinforced fibers and reinforced resin-based composite materials, and the fan blade has the advantages of easiness in forming, water resistance and corrosion resistance, but the resin has the characteristic of solidification deformation and is easily influenced by external factors such as temperature, gravity and the like in the forming process, the root of the blade is easy to deform, and the condition is mainly reflected in that the root of the blade is out of round, so that the root of the blade cannot fall on a set circumference due to punching, the hole wall is locally too thin, a large amount of manpower and material resources are required to be spent for maintenance, and even the blade is scrapp; such problems are mainly analyzed before and after the blade clamping process and the punching process.
Disclosure of Invention
The invention aims to solve the technical problem of the prior art, and provides a fan blade root anti-deformation tool which is simple in structure and convenient to operate and can support the circular shape of the blade root before and after a blade root die assembly process and a punching process.
The invention aims to solve another technical problem of providing the deformation preventing method of the deformation preventing tool for the root of the fan blade.
The technical problem to be solved by the present invention is achieved by the following technical means. The invention relates to a fan blade root anti-deformation tool which comprises a main body structure and an auxiliary positioning bolt, wherein the main body structure is used for supporting the root of a fan blade, the auxiliary positioning bolt is used for connecting the main body structure with the root of the fan blade, the main body structure comprises a central plate and at least 2 mounting arms arranged along the circumferential direction of the central plate, one end of each mounting arm is fixedly arranged on the central plate, the other end of each mounting arm is fixedly provided with an adjusting nut, each adjusting nut is screwed with an adjusting bolt, each adjusting bolt is fixedly provided with a supporting leg matched with the root of the fan blade, and the supporting leg is provided with a plurality of supporting through holes matched with the auxiliary positioning bolt.
The technical problem to be solved by the invention can be further realized by the following technical scheme that for the anti-deformation tool for the root part of the fan blade, the mounting arm is of a hollow structure, and a cavity for facilitating the screwing-in and screwing-out of an adjusting bolt is arranged in the mounting arm.
The technical problem to be solved by the invention can be further realized by the following technical scheme that for the anti-deformation tool for the root of the fan blade, the mounting arms are uniformly arranged along the center of the central plate.
The technical problem to be solved by the invention can be further realized by the following technical scheme that the mounting arms are arranged in the same plane for the anti-deformation tool for the root part of the fan blade.
The technical problem to be solved by the invention can be further realized by the following technical scheme that for the anti-deformation tool for the root part of the fan blade, 3, 6 or 8 mounting arms are arranged.
The technical problem to be solved by the invention can be further solved by adopting the following technical scheme that for the deformation prevention tool for the root part of the fan blade, one side of the supporting leg is provided with an arc-shaped contact surface which is used for being matched with the inner surface of the root part of the fan blade.
The technical problem to be solved by the invention can be further realized by the following technical scheme that 2-4 support through holes are arranged on each support leg of the anti-deformation tool for the root of the fan blade.
The technical problem to be solved by the invention can be further realized by the following technical scheme, and for the anti-deformation tool for the root of the fan blade, the anti-deformation method for the root of the fan blade comprises the following steps:
(1) in the process of closing or transferring the fan blade, the main structure is placed into the fan blade from the root part of the fan blade, the supporting legs are in close contact with the inner surface of the root part of the fan blade by adjusting the adjusting bolts, and the root part of the fan blade is supported from the inside of the fan blade so as to prevent the root part of the fan blade from deforming;
(2) after the fan blade root is punched, adjusting bolts are adjusted to enable the supporting foot bolt holes to be aligned with the bolt holes of the blade root, then one ends of the auxiliary positioning bolts sequentially penetrate through the supporting foot bolt holes and the bolt holes of the blade root, the main structure is connected with the fan blade root, the fan blade root after punching is supported, and the fan blade root is prevented from deforming.
Compared with the prior art, the invention provides the shrinkage-preventing tool for the root part of the fan blade, which has the advantages of simple structure, convenience in operation and wide applicability, does not damage the blade and reduces the maintenance of the blade; this frock includes major structure and attached gim peg, and major structure can independently be used for supporting the blade of compound die process and transportation process, and major structure and the cooperation of attached gim peg can be used to support the blade of the completion of punching, can realize the blade root compound die process and punch before, after the process, support blade root circle indeformable, the circumference of guarantee blade root reaches the designing requirement. The tool is simple and compact in structure, can effectively prevent the deformation of the root of the blade, guarantees the circumferential degree of the root of the blade, and enables the thicknesses of the two sides of the bolt hole of the root of the blade to meet the design requirement.
Drawings
FIG. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic view of an auxiliary positioning pin according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, a fan blade root anti-deformation tooling comprises a main body structure for supporting the fan blade root and an auxiliary positioning bolt 7 for connecting the main body structure with the fan blade root, wherein the main body structure comprises a central plate 1 and at least 2 mounting arms 2 arranged along the circumferential direction of the central plate 1, one end of each mounting arm 2 is fixedly mounted on the central plate 1, the other end of each mounting arm 2 is fixedly mounted with an adjusting nut 3, each adjusting nut 3 is screwed with an adjusting bolt 4, each adjusting bolt 4 is fixedly mounted with a supporting leg 5 matched with the fan blade root, and the supporting leg 5 is provided with a plurality of supporting through holes 6 matched with the auxiliary positioning bolt 7. The central plate 1 is a spherical plate or a regular hexagonal plate, so that the mounting arm 2 can be conveniently mounted and fixed; the adjusting nut 3 is matched with the adjusting bolt 4, and the position of the supporting leg 5 can be adjusted by rotating the adjusting bolt 4, so that the supporting leg 5 can be contacted with the root of the fan blade to support the root of the fan blade; the diameter of the supporting through hole 6 is slightly larger than the bolt hole at the root part of the fan blade by 1-2mm, the diameter of the auxiliary positioning bolt 7 is the same as or slightly smaller than the bolt hole at the root part of the blade by 1-2mm, so that one end of the auxiliary positioning bolt 7 can penetrate through the supporting through hole 6 to be inserted into the bolt hole at the root part of the blade, the main structure is connected with the root part of the fan blade, and the root part of the fan blade is prevented from deforming by utilizing the supporting effect of the.
The mounting arm 2 is of a hollow structure, and a cavity for screwing the adjusting bolt 4 in and out is formed in the mounting arm 2. The mounting arm 2 is made of a tubular rigid material, such as a stainless steel pipe, has high hardness, is not easy to deform, is convenient for supporting the root of the fan blade, and prevents the root of the fan blade from deforming.
The installation arm 2 is evenly set up along the center of well core plate 1, is convenient for support the fan blade of same circumference, guarantees that the atress of fan blade root is even, avoids fan blade root atress inequality to lead to the circumference not to accord with the designing requirement.
The installation arms 2 are arranged in the same plane, so that the fan blades in the same plane can be supported conveniently, the root parts of the fan blades are guaranteed to be stressed uniformly, and the situation that the circumference is not accordant with the design requirement due to the fact that the root parts of the fan blades are stressed unevenly is avoided.
The installation arm 2 is provided with 3, 6 or 8, and specific quantity can be confirmed according to actual conditions, can support fan blade root, prevent that fan blade root from warping can.
And one side of the supporting leg 5 is provided with an arc-shaped contact surface matched with the inner surface of the root part of the fan blade. Supporting legs 5 are a rectangular plate, and the surface of one side is the arc contact surface, and the convenient interior surface of laminating to fan blade root from inside better supports fan blade root from inside.
The number of the supporting through holes 6 in each supporting leg 5 is 2-4, preferably, the number of the supporting through holes 6 in each supporting leg 5 is 3, so that the supporting through holes 6 can be better matched with bolt holes in the root of a fan blade in actual use, at least 1 supporting through hole 6 can be guaranteed to be concentric with the hole center of the bolt hole in the root of the blade, and the auxiliary positioning bolt 7 can be conveniently inserted into the bolt hole in the root of the blade after penetrating through the supporting through holes 6.
A method for preventing deformation of the root of a fan blade comprises the following steps:
(1) in the process of closing or transferring the fan blade, the main structure is placed into the fan blade from the root part of the fan blade, the supporting legs are in close contact with the inner surface of the root part of the fan blade by adjusting the adjusting bolts, and the root part of the fan blade is supported from the inside of the fan blade so as to prevent the root part of the fan blade from deforming;
(2) after the fan blade root is punched, adjusting bolts are adjusted to enable the supporting foot bolt holes to be aligned with the bolt holes of the blade root, then one ends of the auxiliary positioning bolts sequentially penetrate through the supporting foot bolt holes and the bolt holes of the blade root, the main structure is connected with the fan blade root, the fan blade root after punching is supported, and the fan blade root is prevented from deforming.
Claims (8)
1. The utility model provides a fan blade root shape frock of preapring for an unfavorable turn of events which characterized in that: the tool comprises a main body structure and an auxiliary positioning bolt, wherein the main body structure is used for supporting the root of the fan blade, the auxiliary positioning bolt is used for connecting the main body structure with the root of the fan blade, the main body structure comprises a central plate and at least 2 mounting arms which are arranged along the circumferential direction of the central plate, one end of each mounting arm is fixedly mounted on the central plate, the other end of each mounting arm is fixedly mounted with an adjusting nut, each adjusting nut is screwed with an adjusting bolt, each adjusting bolt is fixedly mounted with a supporting leg matched with the root of the fan blade, and a plurality of supporting through holes matched with the auxiliary positioning bolt are formed in the supporting leg.
2. The fan blade root deformation prevention tool according to claim 1, characterized in that: the mounting arm is of a hollow structure, and a cavity facilitating screwing in and screwing out of the adjusting bolt is formed in the mounting arm.
3. The fan blade root deformation prevention tool according to claim 1, characterized in that: the mounting arms are evenly disposed along the center of the center plate.
4. The fan blade root deformation prevention tool as set forth in claim 1 or 3, characterized in that: the mounting arms are all arranged in the same plane.
5. The fan blade root deformation prevention tool according to any one of claims 1, 3 and 4, which is characterized in that: the mounting arms are provided with 3, 6 or 8.
6. The fan blade root deformation prevention tool according to claim 1, characterized in that: one side of the supporting leg is provided with an arc-shaped contact surface used for being matched with the inner surface of the root part of the fan blade.
7. The fan blade root deformation prevention tool according to claim 1, characterized in that: 2-4 supporting through holes are arranged on each supporting foot.
8. The method for preventing the root part of the fan blade from deforming is characterized by comprising the following steps of: the method uses the deformation-preventing tool for the root of the fan blade as claimed in any one of claims 1 to 7, and comprises the following steps:
(1) in the process of closing or transferring the fan blade, the main structure is placed into the fan blade from the root part of the fan blade, the supporting legs are in close contact with the inner surface of the root part of the fan blade by adjusting the adjusting bolts, and the root part of the fan blade is supported from the inside of the fan blade so as to prevent the root part of the fan blade from deforming;
(2) after the fan blade root is punched, adjusting bolts are adjusted to enable the supporting foot bolt holes to be aligned with the bolt holes of the blade root, then one ends of the auxiliary positioning bolts sequentially penetrate through the supporting foot bolt holes and the bolt holes of the blade root, the main structure is connected with the fan blade root, the fan blade root after punching is supported, and the fan blade root is prevented from deforming.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010798258.6A CN111942737A (en) | 2020-08-11 | 2020-08-11 | Anti-deformation tool and anti-deformation method for root of fan blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010798258.6A CN111942737A (en) | 2020-08-11 | 2020-08-11 | Anti-deformation tool and anti-deformation method for root of fan blade |
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| Publication Number | Publication Date |
|---|---|
| CN111942737A true CN111942737A (en) | 2020-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010798258.6A Pending CN111942737A (en) | 2020-08-11 | 2020-08-11 | Anti-deformation tool and anti-deformation method for root of fan blade |
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| CN (1) | CN111942737A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114483482A (en) * | 2021-12-31 | 2022-05-13 | 中国绿发投资集团有限公司 | Wind-powered electricity generation blade root bolt crack trouble acoustic emission monitoring experiment system |
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| CN114483482A (en) * | 2021-12-31 | 2022-05-13 | 中国绿发投资集团有限公司 | Wind-powered electricity generation blade root bolt crack trouble acoustic emission monitoring experiment system |
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Application publication date: 20201117 |