CN219121891U - Reinforcing device and blade test fixture - Google Patents
Reinforcing device and blade test fixture Download PDFInfo
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- CN219121891U CN219121891U CN202223506281.7U CN202223506281U CN219121891U CN 219121891 U CN219121891 U CN 219121891U CN 202223506281 U CN202223506281 U CN 202223506281U CN 219121891 U CN219121891 U CN 219121891U
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- reinforcing
- reinforcing part
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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
- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
The utility model relates to the technical field of wind power blade test devices, and provides a reinforcing device and a blade test fixture, comprising: a first mount; the first reinforcing part is hinged to the first mounting seat; a second mounting base; the second reinforcing part is hinged to the second mounting seat, and the first reinforcing part is axially in sliding fit with the second reinforcing part; and the positioning piece is used for connecting the first reinforcing part and the second reinforcing part to limit the axial relative sliding of the first reinforcing part and the second reinforcing part. Through first enhancement portion and second enhancement portion, can effectively play the reinforcement effect, reduce the unbalanced load deformation of long bolt, and then reduce anchor clamps open-ended problem, make the better laminating blade of anchor clamps.
Description
Technical Field
The utility model relates to the technical field of wind power blade test devices, in particular to a reinforcing device and a blade test fixture.
Background
The wind power blade is a core component for converting natural wind energy into electric energy of the wind power generator set in the wind power generator set, and the quality of the wind power blade directly influences the operation reliability of the wind power generator set, so that the wind power blade needs to be subjected to a pattern authentication test before being formally put into production so as to ensure the quality of the wind power blade. When static test is carried out on the wind power blade, load fitting is realized through multi-point loading.
When the test is carried out, the blade is required to be clamped and fixed through the blade clamp. The blade clamp generally includes a first clamping portion, a second clamping portion, and a long bolt; the first clamping part and the second clamping part are used for clamping the blade; the long bolt sequentially passes through the first clamping part and the second clamping part and is fixed through the nut so as to fix the first clamping part and the second clamping part, and the blade clamp is attached to and clamps the blade.
However, the long bolt is longer and is generally more than two meters, so that the long bolt is easy to be unbalanced and deformed in the loading process, the clamp is easy to open, and the clamp cannot be well attached to the blade.
Disclosure of Invention
The utility model provides a reinforcing device and a blade test fixture, which are used for reducing the problem of unbalanced load deformation of a long bolt in the prior art so as to reduce the problem of opening of the fixture and enable the fixture to better fit and clamp a blade.
The present utility model provides a reinforcing apparatus comprising:
a first mount;
the first reinforcing part is hinged to the first mounting seat;
a second mounting base;
the second reinforcing part is hinged to the second mounting seat, and the first reinforcing part is in axial sliding fit with the second reinforcing part;
and the positioning piece is used for connecting the first reinforcing part and the second reinforcing part so as to limit the axial relative sliding of the first reinforcing part and the second reinforcing part.
According to the reinforcing device provided by the utility model, the first reinforcing part is in a circular tube shape, and the second reinforcing part is inserted into the first reinforcing part.
According to the reinforcing device provided by the utility model, the first reinforcing part is provided with the strip-shaped adjusting holes, and the adjusting holes are distributed along the length direction of the first reinforcing part; one end of the positioning piece penetrates through the adjusting hole to be connected with the second reinforcing part, and the other end of the positioning piece is used for propping against the outer wall of the first reinforcing part.
According to the reinforcing device provided by the utility model, the positioning piece comprises the positioning bolt, the positioning bolt penetrates through the adjusting hole and is connected with the second reinforcing part in a threaded mode, and the large end is formed at one end, away from the second reinforcing part, of the positioning bolt.
According to the reinforcing device provided by the utility model, the positioning piece further comprises a sleeve sleeved on the positioning bolt, one end of the sleeve is abutted against the large end of the positioning bolt, and the other end of the sleeve is abutted against the outer wall of the first reinforcing part.
According to the reinforcing device provided by the utility model, the second reinforcing part is in a circular tube shape.
According to the reinforcing device provided by the utility model, the second reinforcing part is internally fixedly connected with the threaded sleeve, and the positioning bolt is in threaded connection with the threaded sleeve.
According to the reinforcing device provided by the utility model, two ends of the threaded sleeve are open and penetrate through two opposite sides of the second reinforcing part in the radial direction; the locating pieces are arranged in pairs to form a group of locating groups, two locating pieces in each locating group are symmetrically arranged on two opposite sides of the second reinforcing part, and two locating bolts in each locating group are respectively connected with the threaded sleeve through threads at openings at two ends of the threaded sleeve.
According to the reinforcing device provided by the utility model, the positioning groups are distributed uniformly along the length direction of the first reinforcing part.
The utility model also provides a blade test fixture, which comprises a first clamping part, a second clamping part and the reinforcing device; a clamping space for clamping the blade is formed between the first clamping part and the second clamping part; the first mounting seat is fixedly connected to the first clamping part through a first connecting piece, and the second mounting seat is fixedly connected to the second clamping part through a second connecting piece.
According to the reinforcing device and the blade test fixture, when the reinforcing device is in actual use, the first mounting seat and the second mounting seat are respectively and fixedly connected to the two clamping parts of the fixture, the first reinforcing part and the second reinforcing part slide relatively along the axial direction according to different thicknesses of different positions of the blade and swing around respective hinge points, so that the whole length and the mounting angle of the reinforcing device are matched with the fixture, and finally the positioning piece is used for connecting the first reinforcing part and the second reinforcing part to limit the relative sliding of the first reinforcing part and the second reinforcing part. Through first enhancement portion and second enhancement portion, can effectively play the reinforcement effect, reduce the unbalanced load deformation of long bolt, and then reduce anchor clamps open-ended problem, make the better laminating blade of anchor clamps.
Drawings
In order to more clearly illustrate the utility model or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a reinforcement device according to the present utility model;
fig. 2 is a schematic structural view of the blade test jig provided by the utility model.
Reference numerals:
1. a first mount; 10. a first hinge shaft; 11. a first connector; 2. a first reinforcing part; 3. a second mounting base; 30. a second hinge shaft; 31. a second connector; 4. a second reinforcing part; 5. a positioning piece; 50. positioning bolts; 500. a large end; 51. a sleeve; 6. a thread sleeve; 7. a first clamping part; 8. a second clamping portion; 9. and (5) a long bolt.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In order to facilitate understanding of the reinforcing device and the blade test clamp provided by the utility model, an application scene of the reinforcing device is firstly described, when a static test is carried out on a wind power blade, the blade is required to be clamped and fixed by the clamp, and in the prior art, the blade clamp generally comprises two clamping parts and a long bolt; wherein, the two clamping parts are used for clamping two opposite sides of the blade; after the long bolts sequentially pass through the two clamping parts, nuts are used for locking the two ends of the long bolts, so that the blade clamp is attached to and clamps the blade. However, as the long bolt is longer and is generally more than two meters, the long bolt is easy to deform in loading process and is elongated or stretch-bent, so that the blade clamp is easy to open and cannot be well attached to and clamped with the blade. In the prior art, the problem of deformation of the long bolt is generally solved by enlarging the specification of the long bolt, so that the opening amount of the blade clamp is reduced, but the rigidity is limited, therefore, the utility model provides the reinforcing device and the blade clamp, so that the problem that the clamp is easy to open due to unbalanced load deformation of the long bolt is solved.
The reinforcement device and the blade test jig of the present utility model are described below with reference to fig. 1 to 2.
Referring to fig. 1, a reinforcing apparatus includes a first mount 1, a first reinforcing portion 2, a second mount 3, a second reinforcing portion 4, and a positioning member 5; the first mounting seat 1 and the second mounting seat 3 are respectively used for being fixedly connected with two clamping parts of the clamp; the first reinforcing part 2 is hinged on the first mounting seat 1, the second reinforcing part 4 is hinged on the second mounting seat 3, and the first reinforcing part 2 and the second reinforcing part 4 are in axial sliding fit; the positioning member 5 is used to connect the first reinforcing portion 2 and the second reinforcing portion 4 to restrict relative axial sliding movement of the first reinforcing portion 2 and the second reinforcing portion 4.
When in actual use, the two clamping parts of the clamp are respectively clamped at the upper side and the lower side of the blade, then the long bolts sequentially penetrate through the two clamping parts, and after being tensioned, the clamping parts are fixed by nuts, so that the clamp is attached to the blade. Then, the first mounting seat 1 and the second mounting seat 3 are respectively and fixedly connected to two clamping portions of the clamp, as the thickness of different portions of the blade changes, for example, the thickness of the blade gradually becomes thinner from the blade root to the blade tip direction, when the different portions of the blade are clamped by the clamp, the opposite surfaces of the two clamping portions of the clamp are not in a parallel state and can incline towards the blade tip direction, and the distance between the two clamping portions can change, therefore, the first reinforcing portion 2 and the second reinforcing portion 4 relatively slide along the axial direction and swing around respective hinge points, so that the whole length and the mounting angle of the reinforcing device are matched with the clamp, and finally, the positioning piece 5 is used for connecting the first reinforcing portion 2 and the second reinforcing portion 4 so as to limit the relative sliding of the first reinforcing portion 2 and the second reinforcing portion 4. Through first enhancement portion 2 and second enhancement portion 4, can effectively play the reinforcement effect, reduce the unbalance loading deformation of stock 9, and then reduce anchor clamps open-ended problem, make the laminating blade that anchor clamps can be better.
The first reinforcement part 2 is hinged to the first mounting seat 1 through a first hinge shaft 10; the first reinforcement part 2 has a circular tube shape, and may be a steel tube or may be made of other metal materials. One end of the first reinforcing part 2, which faces away from the first mounting seat 1, is provided with an opening; the second reinforcing part 4 is hinged to the second mounting seat 3 through a second hinge shaft 30, and one end of the second reinforcing part 4, which is away from the second mounting seat 3, is inserted into the first reinforcing part 2, so that the second reinforcing part 4 and the first reinforcing part 2 can slide relatively along the axial direction. Specifically, the second reinforcement portion 4 may be a metal pipe, for example, a steel pipe, so as to reduce the weight of the entire reinforcement device as much as possible while ensuring the strength of the reinforcement device.
The first reinforcing part 2 is provided with a strip-shaped adjusting hole, the adjusting hole is distributed along the length direction of the first reinforcing part 2, one end of the positioning piece 5 penetrates through the adjusting hole to be connected to the second reinforcing part 4, the other end of the positioning piece is abutted against the outer wall of the first reinforcing part 2, and therefore the first reinforcing part 2 and the second reinforcing part 4 are locked, and relative sliding of the first reinforcing part 2 and the second reinforcing part 4 is limited.
Specifically, the second reinforcing part 4 is provided with a positioning hole corresponding to the position of the adjusting hole, and the positioning hole is a threaded hole; the positioning piece 5 comprises a positioning bolt 50 and a sleeve 51, one end of the positioning bolt 50 passes through the adjusting hole and is connected in the positioning hole in a threaded manner, and a large end 500 is formed at one end of the positioning bolt 50, which is away from the second reinforcing part 4; the sleeve 51 is sleeved on the positioning bolt 50, one end of the sleeve 51 is abutted against the large end 500 of the positioning bolt 50, and the other end is abutted against the outer wall of the first reinforcing part 2. When the reinforcing device is installed, the first reinforcing part 2 and the second reinforcing part 4 are relatively slid to a specific position; then, the sleeve 51 is sleeved on the positioning bolt 50, the large end 500 of the positioning bolt 50 abuts against the sleeve 51, one end of the positioning bolt 50, which is away from the large end 500, passes through the adjusting hole and is screwed into the positioning hole, and the sleeve 51 abuts against the outer wall of the first reinforcing part 2 under the extrusion of the large end 500 of the positioning bolt 50 by screwing the positioning bolt 50, so that the first reinforcing part 2 and the second reinforcing part 4 are locked. The length of the set screw 50 can be increased to some extent by the sleeve 51 to secure the coupling strength.
It will be appreciated that when the positioning member 5 includes only the positioning bolt 50, the positioning of the first reinforcing portion 2 and the second reinforcing portion 4 can be performed by screwing the positioning bolt 50 so that the leading end of the positioning bolt 50 abuts against the outer wall of the first reinforcing portion 2.
The second reinforcing part 4 is fixedly connected with a thread bush 6, and the positioning bolt 50 passes through the adjusting hole and is in threaded connection with the thread bush 6 so as to improve the connection strength. Specifically, the threaded sleeve 6 is open at both ends and penetrates radially through opposite sides of the second reinforcing portion 4. The positioning pieces 5 are arranged in pairs to form a group of positioning groups, and two positioning bolts 50 in each positioning group are respectively connected with the threaded sleeve 6 in a threaded manner from openings at two ends of the threaded sleeve 6. The positioning groups are uniformly distributed along the length direction of the first reinforcing part 2 so as to improve the positioning stability of the first reinforcing part 2 and the second reinforcing part 4. It should be understood that when the positioning member 5 is provided in plural, the plurality of adjustment holes and the plurality of positioning holes are provided correspondingly.
In another embodiment, the positioning bolt 50 may be replaced by a screw, one end of the screw passes through the adjusting hole and is fixed with the second reinforcing part 4 by welding or other manners, the sleeve 51 is in threaded connection with the screw, and the sleeve 51 is abutted against the outer wall of the first reinforcing part 2 by screwing the sleeve 51, so as to achieve positioning between the first reinforcing part 2 and the second reinforcing part 4.
In another embodiment, the positioning bolts 50 may be replaced by stud bolts, that is, the adjusting holes are symmetrically disposed on two opposite sides of the first reinforcing portion 2, the positioning holes are through holes, and after the stud bolts pass through the positioning holes on the second reinforcing portion 4 and the adjusting holes on two sides of the first reinforcing portion 2, two ends are locked by nuts to limit the relative sliding between the first reinforcing portion 2 and the second reinforcing portion 4.
In another embodiment, the first reinforcing portion 2 and the first mounting seat 1, and the second reinforcing portion 4 and the second mounting seat 3 may be further connected by a spherical hinge, so as to achieve good adhesion between the first mounting seat 1 and the second mounting seat 3 and the fixture, so as to facilitate installation.
The blade test jig provided by the utility model is described below, and the blade test jig described below and the reinforcing device described above can be referred to correspondingly with each other.
Referring to fig. 1 and 2, a blade test jig includes a first clamping portion 7, a second clamping portion 8, a long bolt 9, and the above-mentioned reinforcing device; a clamping space for clamping the blade is formed between the first clamping portion 7 and the second clamping portion 8. The long bolt 9 sets up in the both sides of first clamping part 7 and second clamping part 8, and after long bolt 9 passed first clamping part 7 and second clamping part 8 in proper order, both ends pass through the nut locking to make first clamping part 7 and second clamping part 8 laminating clamp blade.
The reinforcing device is provided with two reinforcing devices which are symmetrically arranged on two sides of the first clamping part 7 and the second clamping part 8, the first mounting seat 1 of the reinforcing device is fixedly connected to the first clamping part 7 through a first connecting piece 11, and the second mounting seat 3 is fixedly connected to the second clamping part 8 through a second connecting piece 31. Specifically, the first and second connection members 11 and 31 may be bolts.
The novel innovation point of the utility model is that: when in actual use, the two clamping parts of the clamp are respectively clamped on the upper side and the lower side of the blade, then the long bolts 9 sequentially penetrate through the two clamping parts, and after tightening, nuts are used for fixing, so that the clamp is attached to the blade. Then fixing the reinforcing device on two sides of the clamp, respectively fixedly connecting the first mounting seat 1 and the second mounting seat 3 to two clamping parts of the clamp, enabling the first reinforcing part 2 and the second reinforcing part 4 to slide relatively along the axial direction according to different thicknesses of different positions of the blade, swinging around respective hinge points to enable the whole length and the mounting angle of the reinforcing device to be matched with the clamp, and finally connecting the first reinforcing part 2 and the second reinforcing part 4 by using the positioning piece 5 to limit the relative sliding of the first reinforcing part 2 and the second reinforcing part 4. Through first enhancement portion 2 and second enhancement portion 4, can effectively play the reinforcement effect, reduce the unbalance loading deformation of stock 9, and then reduce anchor clamps open-ended problem, make the laminating blade that anchor clamps can be better.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (10)
1. A reinforcing apparatus, comprising:
a first mounting base (1);
a first reinforcing part (2) hinged to the first mounting seat (1);
a second mounting base (3);
a second reinforcing part (4) hinged to the second mounting seat (3), and the first reinforcing part (2) is axially slidably matched with the second reinforcing part (4);
and the positioning piece (5) is used for connecting the first reinforcing part (2) and the second reinforcing part (4) so as to limit the axial relative sliding of the first reinforcing part (2) and the second reinforcing part (4).
2. Reinforcing device according to claim 1, wherein the first reinforcing part (2) is tubular and the second reinforcing part (4) is inserted into the first reinforcing part (2).
3. Reinforcing device according to claim 2, wherein the first reinforcing part (2) is provided with strip-shaped adjustment holes, which are arranged along the length direction of the first reinforcing part (2); one end of the positioning piece (5) penetrates through the adjusting hole to be connected with the second reinforcing part (4), and the other end of the positioning piece is used for propping against the outer wall of the first reinforcing part (2).
4. A reinforcing device according to claim 3, characterized in that the positioning element (5) comprises a positioning bolt (50), the positioning bolt (50) passing through the adjustment hole and being screwed to the second reinforcement (4), the end of the positioning bolt (50) facing away from the second reinforcement (4) being formed with a large end (500).
5. The reinforcing device according to claim 4, wherein the positioning member (5) further comprises a sleeve (51) sleeved on the positioning bolt (50), one end of the sleeve (51) is abutted against the large end (500) of the positioning bolt (50), and the other end is abutted against the outer wall of the first reinforcing portion (2).
6. A reinforcing device according to claim 4 or 5, wherein the second reinforcing portion (4) is tubular.
7. Reinforcing device according to claim 6, wherein a threaded sleeve (6) is fixedly connected in the second reinforcing part (4), the positioning bolt (50) being screwed to the threaded sleeve (6).
8. A reinforcing device according to claim 7, wherein said threaded sleeve (6) is open at both ends and extends radially through opposite sides of said second reinforcing portion (4); the positioning pieces (5) are arranged in pairs to form a group of positioning groups, two positioning pieces (5) in each positioning group are symmetrically arranged on two opposite sides of the second reinforcing part (4), and two positioning bolts (50) in each positioning group are respectively connected with the threaded sleeve (6) through threads at openings at two ends of the threaded sleeve (6).
9. Reinforcing apparatus according to claim 8, wherein said positioning group is provided in plurality and is uniformly distributed along the length direction of said first reinforcing portion (2).
10. Blade test clamp, characterized by comprising a first clamping portion (7), a second clamping portion (8) and a reinforcing device according to any one of claims 1-9; a clamping space for clamping the blade is formed between the first clamping part (7) and the second clamping part (8); the first mounting seat (1) is fixedly connected to the first clamping part (7) through a first connecting piece (11), and the second mounting seat (3) is fixedly connected to the second clamping part (8) through a second connecting piece (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223506281.7U CN219121891U (en) | 2022-12-27 | 2022-12-27 | Reinforcing device and blade test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223506281.7U CN219121891U (en) | 2022-12-27 | 2022-12-27 | Reinforcing device and blade test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219121891U true CN219121891U (en) | 2023-06-02 |
Family
ID=86535285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223506281.7U Active CN219121891U (en) | 2022-12-27 | 2022-12-27 | Reinforcing device and blade test fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219121891U (en) |
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2022
- 2022-12-27 CN CN202223506281.7U patent/CN219121891U/en active Active
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